City of Hesperia Gateway to the High Desert
ADDENDUM NO. 2
Project: “G” Avenue Rail Lead Track & Channel Project: Phase II – CO No: 7108 Lead Track Construction and Drainage Channel Construction
NOTICE TO ALL CONTRACTORS BIDDING THIS WORK
You are hereby notified of the following changes to Resolution 97-75. Such changes are hereby made part of the plans and specifications and shall take precedence over anything to the contrary therein.
CHANGES AND CLARIFICATIONS:
ANNOUNCEMENTS:
1. City Hall offices will be closed for the Holidays beginning Thursday, December 23, 2010 to re-open on Monday, January 3, 2011.
CHANGES:
2. The deadline for submitting questions of December 30, 2010 at 5:30 p.m. shall be changed to January 6, 2011 at 5:30 p.m.
3. The bid opening date of January 6, 2011 at 2:00 p.m. shall be changed to January 13, 2011 at 2:00 p.m.
CLARIFICATIONS/CHANGES – The following are in response to RFI’s received and/or questions from the mandatory pre-bid meeting:
General -
4. Page GP-5 of the City of Hesperia General Provisions, Section 2, Scope and Control of Work;2-3.2, Self Performance shall be amended as follows:
The Contractor shall perform, with its own organization, Contract work amounting to at least 50% of the Contract Price: shall be revised to read 30% of the Contract Price.
Mike Leonard, Mayor 9700 Seventh Ave Russell Blewett, Mayor Pro Tem Hesperia, CA 92345 Paul Bosacki, Council Member 760-947-1000 Bill Holland, Council Member TD 760-947-1119 Thurston “Smitty” Smith, Council Member
Mike Podegracz, City Manager www.cityofhesperia.us City of Hesperia
5. Can Mojave Street be closed during construction of the double barrel culvert at STA 24+02.00, the double 10’x6’ RCB box culvert at STA 24+63.33 and the railroad crossing at approximate STA 38+50?
Yes, Mojave Street can be temporarily closed during the installation of the double barrel culvert, RCB box culvert and railroad crossing. Once installation of the railroad crossing is complete, Contractor shall not re-open Mojave Street until the signals for the crossing have passed inspection.
When closures occur, Contractor is responsible for providing a traffic control plan in accordance with MUTCD and performing traffic control in compliance with the plan and MUTCD. Any detours shall be on paved roads, not dirt roads. The traffic control plan shall be submitted to the City for approval prior to implementing the plan.
The City will also be installing a temporary four way stop at the intersection of Mojave Street and “G” Avenue for the duration of construction to alleviate the need for flagmen. Construction equipment and other construction traffic will be required to obey the four way stop.
6. The three apparent lowest bidders will be required to complete and submit to the City, the Good Faith Effort form within three (3) working days of the bid opening or the contractor’s bid will be deemed non-responsive. With the bid opening date of January 13, 2011, the deadline for submitting the aforementioned form shall be by close of business (5:30 p.m.), Tuesday January 18, 2011.
7. Who is performing the inspection and testing for signals at crossing?
This will be a collective effort from BNSF, CPUC and the City’s contracted consultant, Parsons.
8. Type of railroad switch (turn-out) specifications; is it a BNSF standard turn-out, or industrial turn-out?
BNSF standard as shown on plans. See sheets C5-1 through C5-9 or approved alternative.
9. Are wood ties, or concrete ties required?
Both wood ties and concrete ties are required. Refer to the plans and specifications.
10. How many trains per day run on the BNSF Cushenbury Branch Line?
One train per day.
11. Is paving on Mauna Loa and Hercules included with this phase?
No. Paving on Mauna Loa and Hercules is not included with this phase of the project.
City of Hesperia
12. Reference Contractor’s Proposal, page CP-6, “Listing of Manufacturer’s and Suppliers” form: What materials are to be listed on this form? Is there a minimum dollar amount for a material to be listed? Please clarify what materials are required to be listed on this form.
The intent is to list the major material components including, but not limited to pipe, concrete, asphalt, and steel. List items with total cost greater than $1000.00 or items with lead time in excess of 3 months.
Specifications -
13. Reference Section 703, Contractor General Safety Requirements: If railroad flagging is required; will it be provided at no cost to the Contractor? If not, what is the rate for a railroad flagger?
Contractor will be responsible for coordination and payment of the flagman. Normal fees for the flagman run on average $800 per day.
14. Reference Section 706, Ballast, Part 4.1: Indicates that ballast will be measured and paid for by the ton. However, there is no Bid Item for Ballast. How is it to be paid for?
The ballast will be measured and paid for by track feet. The Schedule of Unit Cost and Lump Sum Amounts has been revised to reflect the change.
15. Reference Section 707, Continuously Welded Rail, Part 3.1.B.: This paragraph says to fabricate CWR off-site. Is it acceptable to have 80’ pieces of rail delivered to the project site and flash-butt weld the 80’ pieces into CWR strings on the site?
Yes, Contractor may deliver rail to the site and flash-butt weld them on site. However, Contractor will need to submit flash-butt welding procedure to the City representative for review 6 weeks prior to flash-butt weld operations.
16. Reference Section 708, Wood Ties, Part 4.2: This paragraph says wood ties will be paid for at the Contract Unit Price in the Schedule of Quantities. There is no bid item for Wood Ties in the Schedule. How are they to be paid for?
The components of the wood ties will be measured and paid by track fee. The Schedule of Unit Cost and Lump Sum Amounts has been revised to reflect the change.
17. Reference Section 710, Field Welding Rail, Part 4: This paragraph says Field Welds will be measured and paid per each. There is no item on the Schedule of Quantities for Field Welds. How are they to be paid for?
Field welds will be measured and paid per each. The Schedule of Unit Cost and Lump Sum Amounts has been revised to reflect the change.
18. Reference Section 713, Rail Destressing, Part 2.01.A.: This paragraph says Contractor to submit, with the bid, a proposed list of track construction equipment to be used but there is no form in the documents to be submitted with the bid for this equipment. Is it acceptable that the successful Contractor on this project submit this list of equipment prior to starting construction on the project?
City of Hesperia
Yes, the contractor shall submit the list of track construction equipment at least 72 hours before the pre-construction meeting (TBD).
19. Reference Section 713, Rail Destressing, Part 2.07 E., Resilient Rail Fastening System and Part 2.07 F., Standard Fastening System: Where wood ties are to be used in the track, is the Resilient or Standard Rail Fastening System required?
Resilient Fastening System is required on wood ties.
20. Reference Section 713, Rail Destressing, Part 2.11, Insulated Joints: Other than within the limits of the turnouts, are there any other insulated joints required? If so, where are they located?
Besides the insulated joints within the limits of the turnouts, there are no other insulated joints required.
Bid Items –
21. Reference former Bid Item #4, Switch Stand on the Schedule of Unit Cost and Lump Sum Amounts: The bid quantity for this item is 3 EA. There are two #11 turnouts required in this project. Where is the 3rd switch stand required?
Besides the two #11 turnouts, there is a split point derail that will require a switch stand.
22. Reference former Bid Item #7, Concrete Crossing Panels on the Schedule of Unit Cost and Lump Sum Amounts: Is the track work at the crossings paid for under Bid Item #7, or is the track work paid under Bid Item #1, Track?
Track work is paid under Bid Item #1, Track. Bid Item #7, Concrete Crossing Panels, is only the crossing panels and related crossing panel items.
23. Reference former Bid Item #9, Railroad Crossing Materials on the Schedule of Unit Cost and Lump Sum Amounts: Does this item include installation of the crossing signal materials or just the materials? Where are the material specifications for this item?
This item includes two #9 crossing gates, signal house, coordination and installation of electrical drop and any other incidental work needed to complete the crossing in place. Section 1300 – AT-GRADE CROSSING SIGNAL Specifications shall hereby be made a part of the Contract Documents and Specifications. Section 1300 is attached.
24. Former Bid Item #9, Railroad Crossing Materials: The quantity for this item is 2 Lump Sum. Clarify if this should be 2 Lump Sum or 1 Lump Sum.
The quantity for this item is 1 Lump Sum. The Schedule of Unit Cost and Lump Sum Amounts has been revised to reflect the change.
25. Reference former Bid Item # 18, Asphalt Concrete Removal and Disposal: We cannot find anywhere in the drawings that indicate asphalt removal.
City of Hesperia
See attached revised Drawing Sheet # C4-1. Revisions have been made to incorporate the removal.
26. Reference former Bid Item #27, Concrete for Drop Structures is for 26 CY. There is closer to 300 CY of concrete required.
There is 293 CY of concrete required for the drop structures. The Schedule of Unit Cost and Lump Sum Amounts has been revised to reflect the change.
27. Reference former Bid Item # 28, Rebar for Drop Structures is for 1,630 lbs. There is closer to 20,000 lbs. of rebar required for the drop structures.
There is 22,700 lbs. of rebar required for the drop structures. The Schedule of Unit Cost and Lump Sum Amounts has been revised to reflect the change.
28. Reference former Bid Item # 29, Excavation for Drop Structures is 341 CY. This appears incorrect.
There is 1,120 CY of excavation for the drop structures. The Schedule of Unit Cost and Lump Sum Amounts has been revised to reflect the change.
29. Reference former Bid Item # 30, Backfill for Drop Structures is 285 CY. This appears incorrect.
There is 248 CY of backfill for the drop structures. The Schedule of Unit Cost and Lump Sum Amounts has been revised to reflect the change.
30. Reference former Bid Item # 34, Excavation Stream H-02; Bid Item # 35, Rip Rap Stream H- 02; and Bid Item # 36 Silt Fence Stream H-02: Where can this information be found? Where is Stream H-02?
See sheet SP-4, 26A of 104
31. Reference former Bid Item # 45, Export Excess Excavated Material to the Stockpile Location and Grade and Compact: Where is the stockpile location? What are the compaction requirements? Is there a maximum height of the stockpile?
The stockpile will be located on APN: 0410-021-28, north of Mauna Loa. A stockpile location map is attached. There will be a 10’ buffer area from the fence line to the stockpile. There is no maximum height limit. The stockpile shall be compacted to 90% and formed at a 2 to 1 slope.
The perimeter of the stockpile shall be fenced with a 6’ chain link fence with a 12’ double gate. Refer to APWA Standard 600-3. Please note: APWA 600-3 calls for 5’ fence, whereas this project requires a 6’ fence.
Drawings -
City of Hesperia
32. Reference Drawing Sheet # C1-1, Detail B that indicates wood ties from STA 10+00 to STA 14+61. Sheet C3-1 says “Begin Concrete Ties” at STA 12+96.24. We assume concrete ties are to be used beginning at STA 12+96.24. Is this assumption correct?
Yes, concrete ties begin at STA 12+96.24 as shown on Sheet C3-1, typical section on C1-1 has been be revised.
33. Reference Drawings, Sheet C3-1, Note 3: Please confirm that the BNSF will perform all the work to install the #11 turnout at STA 10+00, including grading, subballast, ballast and furnishing and installing the turnout including switch stand.
Through discussions with BNSF, they will be performing the installation of the track switch and associated work for the switch only from the Cushenbury Branch Line up to the clearance point. Contractor will be responsible for completing the construction of the spur track from the clearance point to the right-of-way line including the subgrade and subballast, and constructing the track and tying into the BNSF installed switch within the BNSF right-of-way. Contractor will perform all necessary surfacing to tie the BNSF installed switch and the contractor constructed spur track together, performing all surfacing runoffs as necessary. Contractor is also responsible for installation of the track crossing and approach grading. It should be noted by Contractor that the Cushenbury Subdivision has relatively low train traffic volumes and in lieu of having a flagman on site, Contractor may explore working with BNSF to take the Cushenbery Branch out of service during the days work will be performed by Contractor in the BNSF right-of-way.
34. Reference Drawing Sheets C4-2 & C7-2: The paving detail on drawing sheet #C4-2 shows 4.5”asphalt concrete with 4” aggregate base while the asphalt transition detail 11 on drawing sheet# C7-2, which is referenced for the same location, shows 4’ asphalt concrete with 6” aggregate base. Please clarify which detail is to be used.
See attached revised Drawing Sheet # C7-2. Revisions have been made to 4.5” asphalt concrete over 4” aggregate base.
35. Reference Drawing Sheet # C4-3 & C4-4 and Bid Item # 23, Gates 8’ (8 Each) on the Schedule of Unit Cost and Lump Sum Amounts: The drawings indicate 1 each 16’, 1 each 13’ and 2 each 20’ gates. Please clarify the discrepancies in length and quantity of gates required.
The gate locations as shown on sheets C4-3 & C4-4 will have 2-20’ gates, 1-16’ gate, and 1-13’ gate per plan. Per Section 1003-1.2 of the specifications if changes need to be made they need to be approved by the Engineer or the city’s representative. The Schedule of Unit Cost and Lump Sum Amounts has been revised accordingly.
36. Reference Drawing Sheet C7-1: Detail 2 calls for D50 Rip-Rap. We cannot find the specifications regarding the gradation, weight, etc. for this. Please provide specifications for D50 Rip-Rap.
Per a Scour Analysis that was performed, D50=1.6 for main channel, and D50=0.5 for HO-2 channel.
City of Hesperia
37. Reference the following: (1) Special Provisions for Roads, Part 2, Earthwork, Part 301-1.3, page RSP-8 which says all compaction tests shall be performed by the City at the City’s expense. (2) General Provisions (Greenbook), Section 4, Control of Materials, part 4-1.4, page GP-10 which says testing of materials shall be provided by the Agency. (3) General Provisions, Division 8, Section 700, Section 702, Scope of Work, Part 1.9, Testing, page 702-4 which says the City has contracted with a Construction Manager who shall perform all testing required to confirm that all materials and construction comply with the requirements in the Contract Documents. However, Appendix C, Construction Quality Assurance Program, indicates the Contractor, at his cost, is responsible for employing an independent laboratory to perform testing requirements. Please clarify who is responsible for material testing.
The City has contracted with a consultant to provide material testing. Contractor is not responsible for providing materials testing.
SWPPP -
38. Is it the contractor to prepare a SWPPP?
The City is responsible for the preparation of the SWPPP. An approved copy of the SWPPP will be provided to Contractor prior to commencement of construction. Contractor is responsible for all implementation and maintenance of the SWPPP.
39. Who is going to maintain reporting of SWPPP during construction (i.e. picture uploads, etc.) – City or Contractor?
Contractor shall be responsible for reporting/submittal requirements to the State. The City will provide a sign-in and permissions in order to access the reporting fields on the State website.
40. Are post construction BMP’s included?
Yes. Refer to channel improvement drawings for all rip-rap related construction as those are part of post construction BMP’s. Also refer to Section 3.4 of SWPPP and rip-rap related bid items in the Bid Schedule.
41. Will silt fence be required for the entire perimeter of the job site? If yes, what would be the new quantity?
The SWPPP requires silt fence around the entire perimeter of the project for a total of 12,885 linear feet of silt fence. The Schedule of Unit Cost and Lump Sum Amounts has been revised to reflect the change in quantity.
42. Where can we locate Sheet EC-5? No such page.
There is no Sheet EC-5. Please refer to SWPPP for erosion control.
City of Hesperia
43. Reference former Bid Item #46, Stabilized Construction Exit: Cannot find a detail for this item. Please provide a detail.
Refer to the SWPPP. Bid Items have been revised on the Schedule of Units Cost and Lump Sum Amounts.
44. Reference former Bid Item # 47 is for lump sum erosion control. Exactly what is required for this work?
Refer to the SWPPP. Bid Items have been revised on the Schedule of Units Cost and Lump Sum Amounts. Rather than 1 Lump Sum for erosion control there are several bid items.
Attachments -
• Contractor’s Proposal (Due to revisions of Schedule of Unit Cost and Lump Sum Amounts form Please Note: Due to the addition of bid items, bid item #’s have changed). • Division 8, Supplemental Specifications/Special Provisions - Section 1300 – AT-GRADE CROSSING SIGNAL • Stockpile Location Map • Revised Drawing C1-1 • Revised Drawing C4-1 • Revised Drawing C7-2
END OF ADDENDUM NO. 2
______Tina Souza, Management Analyst
City of Hesperia
ADDENDUM ACKNOWLEDGEMENT
I, , , a duly (Name) (Title) authorized representative of , acknowledge receipt (Company Name) of Addendum No. 2 for the “G” Avenue Rail Lead Track & Channel Project: Phase II – Lead
Track Construction and Drainage Channel Construction.
Signature: Date:
Attach this acknowledgment to the last page of the “Schedule of Lump Sum Amounts” (bid sheet) prior to bid submittal.
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CONTRACTOR’S PROPOSAL
COMPANY
ADDRESS
CITY, STATE, ZIP
( ) TELEPHONE NUMBER
STATE LICENSE NUMBER
City of Hesperia 9700 Seventh Avenue Hesperia, CA 92345
Ladies and Gentlemen:
Pursuant to the Public Notice inviting sealed bids or proposals, the undersigned declares that he has carefully examined the location of the proposed work, that he has examined plans, profiles, and specifications for the construction of “G” Avenue Rail Lead Track and Channel Project: Phase II - Lead Track Construction & Drainage Channel Construction (C.O. NO. 7108), and read the accompanying proposal requirement, and hereby proposes to furnish all materials and do all work required to complete the said work in accordance with said plans, profiles, specifications, and special provisions for the unit or lump sum price set forth in the Schedule of Unit Cost and Lump Sum Amounts.
All persons or parties submitting a bid proposal on the project shall complete the following form setting forth the Item Number (as specified in the “Schedule of Unit Cost and Lump Sum Amounts”), the name, location, and place of business of each subcontractor who will perform work or labor or render services to the prime Contractor in or about the construction of the work of improvements, or a subcontractor licensed by the State of California, who, under subcontract to the work or improvement according to detailed drawings contained in the plans and specifications, in an amount in excess of one-half of one percent of the prime Contractor’s total bid, or, if the bid is for the construction of streets or highways, including bridges, in excess of one-half of one percent (1/2%) of the prime contractor’s total bid of ten thousand dollars ($10,000), whichever is greater and the percentage of that bid item to be performed by each subcontractor.
It is noted that if a Contractor fails to specify a subcontract for any portion of the work to be performed under the Contract, he shall be deemed to have agreed to perform such portion himself, and he shall not be permitted to subcontract that portion of the work except by written consent of the awarding authority. The requirement of submission of this list, the legal consequences for failure of the Contractor to do so, and other particular details concerning the same, shall be as set forth in the “Subletting and Subcontracting Fair Practices Act,” California Public Contract Code (§ 4100, et seq) to which the bidder is hereby referred.
CP-1
ITEM NO. % OF CONTRACT OF NAME OF FIRM/CONTRACTOR LOCATION OF TO BE PERFORMED WORK CONTRACTOR LICENSE NO. MILL/SHOP/OFFICE BY SUBCONTRACTOR
The undersigned further agrees that in case of default in executing the required Contract with necessary bonds within ten (10) calendar days after the Notice of Award of Contract has been mailed, the proceeds of the check or bond accompanying his bid shall become the property of the City. If the City awards the Contract to the next lowest bidder, the amount of the lowest bidder’s security shall be applied by the City to the difference between the low bid and the second lowest bid, and the surplus, if any, shall be returned to the lowest bidder. The undersigned further agrees to complete the work within three hundred and four (304) calendar days.
CP-2
SCHEDULE OF UNIT COST AND LUMP SUM AMOUNTS
CONSTRUCTION OF: C.O. NO. 7108 RAIL LEAD TRACK & CHANNEL PROJECT LOCATED AT: “G” AVENUE
TOTAL ITEM ESTIMATED UNIT OF DESCRIPTION UNIT PRICE AMOUNT NO. QUANTITY MEASURE (IN FIGURES) (IN FIGURES)
TRACK IMPROVEMENTS
1. 7,428 TF Track (136# rail) 18 EA Field Welds (Thermite) 2. Concrete Ties a. 7,132 TF Ballast b. 7,132 TF Insulators & Pads c. 7,132 TF Pandrol E-clips d. 7,132 TF Labor & Equipment 3. Timber Ties a. 296 TF Ballast b. 296 TF Tie Plates c. 296 TF 6” Rail Anchors d. 296 TF Track Spikes e. 296 TF Labor & Equipment 4. 2 EA Number 11 Left-hand Switches 5. 4,500 CY Suballast (6" Min. Depth) 6. 3 EA Switch Stand 7. 1 EA D-Rail 8. 1 EA Earthen Bumper 9. 120 TF Concrete Crossing Panels 10. 315 LF Concrete Curb at medians 11. 1 LS Railroad Crossing Materials 12. 2 EA RR Crossing striping per MUTCD 13. 2 EA W10-1 Railroad sign 14. 33 CY Asphalt Concrete 15. 140 LF Flangeway Road Guards 16. 1 LS Box Culvert 24+63.33 17. 72 LF 48" Double Barrel Culvert 24+02.00 18. 258 LF 60" Triple Barrel Culvert 42+20.00
Track Improvements Total
TOTAL ITEM ESTIMATED UNIT OF DESCRIPTION UNIT PRICE AMOUNT NO. QUANTITY MEASURE (IN FIGURES) (IN FIGURES)
CHANNEL IMPROVEMENTS
19. 362 CY .5' Asphalt Concrete (Roadway) Asphalt Concrete Removal and 20. 2,172 SY Disposal 21. 362 CY .5' Aggregate Base (class II) CP-3
.7 JPCP(Joint Plain Concrete 22. 180 CY Pavement), Ramp .35' LCB (Lean Concrete Base) 23. 90 CY Ramp 24. 129 CY .5' Aggregate Subbase (Ramps) 25. 1 EA Gates 13' 26. 1 EA Gates 16’ 27. 2 EA Gates 20’ 28. 212 LF Fencing (Chain Link) Channel Slope Pavement 6" 29. 1,470 CY Concrete 30. 2,116 TON Rip Rap West side of tracks 31. 293 CY Concrete for drop Structure 32. 22,700 LB Rebar for Drop Structures 33. 1,120 CY Excavation for Drop Structures 34. 248 CY Backfill for Drop Structures 35. 617 TON Rip Rap Drop structure areas 36. 986 TON Rip Rap End of Channel 37. 4,852 SY Geotextile 38. 1,221 CY Excavation Stream H-02 39. 2,100 TON Rip Rap Stream H-02 40. 297 LF Silt Fence Stream H-02
Channel Improvements Total
GENERAL ITEMS
SWPPP Implementation & 41. 1 LS Maintenance Mobilization/Demobilization, Bonds, 42. 1 LS Insurance Traffic Control Plan, Control Devices 43. 1 LS and Detours 44. 1 LS Joshua Tree Protected Plant Plan 45. 5 EA Relocate Joshua Tree 46. 13 AC Clear and Grub Project Area 47. 52,602 CY Cut 48. 15,061 CY Fill Export excess excavated material to the stockpile location and grade and 49. 37,541 CY compact 50. 12.76 AC SS-5 Soil Binders* 51. 12,885 LF Temporary Silt Fence* 52. 8 EA Temporary Construction Entrance 53. 1,300 LF Temporary Check Dam*
General Items Total
CP-4
Total Project Bid Amount $
(BID AMOUNT IN WORDS)
CP-5
The bidder, by reference below, hereby proposes to perform all work for the construction in strict accordance with the Contract Documents and Standard Specifications within the time set forth therein and at the prices stated above.
(If an individual, so state. If a firm or co-partnership, state the firm name and give names of all individual co-partners composing the firm. If a corporation, state legal name of corporation, also names of President, Secretary, Treasurer, and Manager thereof.)
Business Address
Dated: ______By:
Print Name: Title:
Dated: By:
Print Name: Title:
CP-6
INFORMATION REQUIRED OF BIDDER LISTING OF MANUFACTURERS AND SUPPLIERS
The Bidder shall complete the list of manufacturers and suppliers of materials set forth in spaces below he intends to furnish and install as part of this project. It shall be understood that where the Bidder elects to not use the material manufacturers called for in the Specifications, he will substitute only items of equal quality, durability, functional character and efficiency as determined by the Engineer. The Bidder should ascertain, prior to bidding, the acceptability of substitutes. Only one manufacturer shall be listed for each item.
Item or Material Manufacturer Supplier
No change shall be allowed by the Engineer of any material manufacturer or supplier listed after receipt of bids unless the manufacturer so listed cannot furnish materials meeting the Specifications. Should such change be allowed, there will be no change in the amount of the bid originally submitted.
FOR ADDITIONAL LISTINGS, ATTACH A SEPARATE SHEET TO THIS PAGE.
CP-7
BIDDER INFORMATION
The bidder shall furnish the following information. Additional sheets may be attached if necessary:
Name Of Firm:
Type Of Firm:
Business Address:
Mailing Address:
Business Phone: ( ) Fax: ( )
Emergency Phone: ( )
Place Of Residence:
Contractor’s License No.: Expires:
License Classification: State:
Federal Identification No.: Number of years as a Contractor in construction work of this type?
Names and Titles of All Members of the Firm:
Name: Title:
Name: Title:
Name: Title:
Name: Title:
If requested by Agency, the bidder shall furnish a notarized financial statement, references, and other information, sufficiently comprehensive to permit an appraisal of his current financial condition.
Person From Your Firm Who Inspected Job Site Of The Proposed Work:
Name: Date Inspected: __
CP-8
Name a minimum of three (3) similar projects that have been completed directly for a municipal agency or private company. Each project listed shall identify the project name, construction cost, length and size, dates completed and name, addresses and telephone numbers of persons in charge of the projects and of public agency or firm for which the project was constructed.
Three Projects of This Type Recently Completed:
Project Name:
Description:
Contract Amount: Date Completed:
Owner’s Name:
Address:
Telephone No:
Project Name:
Description:
Contract Amount: Date Completed:
Owner’s Name:
Address:
Telephone No:
Project Name:
Description:
Contract Amount: Date Completed:
Owner’s Name:
Address:
Telephone No:
CP-9
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Summary of Work Section 13100-1 SECTION 13100
SUMMARY OF WORK
PART 1 - GENERAL
1.1 GENERAL INTENT
The general intent of the contract, specifications, plans and all other contract documents and provisions thereof is that the Contractor shall
A. Furnish all tools, labor, material, equipment, superintendence and all services, assurances and guarantees, assumptions of risk and responsibility, for the compensation set forth unless otherwise specifically provided.
B. Begin work promptly and proceed expeditiously and continuously without cessation or shutdown of work unless otherwise specifically approved in writing by the Engineer.
C. Perform, complete and make ready for its intended purpose, within the times specified, including additional times provided for certain conditions, the work or parts thereof covered by the contract, all in accordance with plans, specifications and any addendum thereto and such direction or instructions as the Engineer may give to supplement the plans and specifications.
D. Acknowledge that the prices proposed and bid by the Contractor and accepted by Amtrak are agreed to be fair, full, and complete compensation and that time is of the essence of the contract.
E. Acknowledge that words and abbreviations which have well-known technical or trade meanings are used in the contract documents in accordance with such recognized meanings.
F. Acknowledge that the organization of the specifications into divisions, sections, parts, and paragraphs, and the arrangement of the plans shall not control the Contractor in dividing the work among subcontractors or in establishing the extent of work to be performed by any trade. Study and compare the contract documents and immediately report to the Engineer any error, inconsistency or omission that may be discovered. The Contractor shall be liable to Amtrak for any damage resulting from any such unreported errors, inconsistencies or omissions in the contract documents.
1.2 INTENT OF PLANS AND SPECIFICATIONS
A. The intent of the plans and specifications is to prescribe the details for the design, construction, and completion of the work that the Contractor undertakes to perform
13100- 1 Summary of Work Section 13100-1 in accordance with the terms of the contract. Where the plans or specifications describe portions of the work in general terms, but not complete detail, it is understood that only the best industry practice is to prevail and that only materials and workmanship of the first quality are to be used. Unless otherwise specified, the Contractor shall furnish all labor, materials, tools, equipment, and incidentals, and perform all the work involved in executing the contract in a satisfactory and workmanlike manner.
B. Plans, Standard Specifications, and Project Specific Specifications are essential parts of the contract, and a requirement indicated in one is binding as though indicated in all. They are intended to be cooperative and to describe and provide for the complete work.
1.3 REFERENCE MATERIAL
Reference specifications or standards referred to in the contract documents shall be the most- recent version developed as of the start date of this contract. Where referenced standards refer to the “specifications,” this shall be understood by the Contractor to mean these Technical Specifications and the Contract Drawings of this Contract. Where referenced standards refer to the “special provisions,” this shall be understood by the Contractor to mean the Contract Drawings and/or the Technical Specifications of this Contract.
1.4 DESCRIPTION OF WORK
Directions depicted in this section reference “railroad timetable direction” in that Escondido is East and Oceanside is West. Contractor shall provide furnish, install, and test highway grade crossing warning systems as indicated in the general description below.
A. Mojave Highway Grade Crossing: The project requires installation of highway grade crossing warning devices. Work shall include, but is not limited to, furnishing, install, and placing in operation instrument house, train detection systems, warning devices, foundations, conduits, cable and track wire. The work includes, but is not limited to, the following effort:
1. Installing a new instrument shelter. 2. Install new conduit, pull boxes, cable, and track wire to support new warning devices and systems. 3. Install 2 each CPUC No. 9 warning devices. 4. Perform required FRA required test prior to, and in conjunction with, placing systems and apparatus in operation.
B. Furnish all labor, supervision, materials, tools, and equipment for the Work specified.
13100- 2 Summary of Work Section 13100-1
PARTS 2 AND 3 NOT USED
END OF SECTION
13100- 3 GENERAL SIGNALING REQUIREMENTS SECTION 13200
SECTION 13200
GENERAL SIGNALING REQUIREMENTS
PART 1 - GENERAL
1.1 DESCRIPTION
A. The Work specified in this section consists of general procedures and requirements necessary and incidental to the planning, design, manufacturing, installation, removal, relocation, modification, testing, placing in service, and documenting as-built conditions of the various signal systems to be provided by the Contractor.
B. The Contractor shall provide all materials and installation services required for complete working crossing warning systems, as described herein, and as shown on Contract Drawings and approved by the Engineer.
C. Contract Drawings represent a detailed final design utilizing systems, components, and materials that meet the specifications. Contractor may provide equivalent systems, components, and materials subject to the approval of the Engineer. If equivalent systems, components and materials are submitted for approval of the Engineer, the Contractor shall include in the submittal an alternate detailed final design, utilizing the symbology, nomenclature, and CADD standards depicted in the Contract Drawings. Contractor's alternate final design drawings shall be submitted for approval of the Engineer no later than 60 days of Contractor receiving Notice To Proceed (NTP). The Engineer shall render a decision concerning alternative design within 60 days of submittal. No additional payment shall be made to the Contractor for the design.
D. Contractor shall provide systems compliant with applicable rules and regulations of CFR 49, Parts 234 and 236 and CPUC General Order 75-D.
E. The Contractor shall be represented at all meetings held with the Engineer by a signal engineer qualified in the design and application of the signaling equipment the Contractor proposes for use on this project.
F. No circuit or system is considered to have met the requirement of this Specification for function and safety until it has been properly tested and verified in the field. Any circuit modifications made to meet the functional and safety requirements of this Specification shall be considered as a part of the Contractor's responsibility and therefore no additional compensation will be paid for this work.
G. The Contractor shall be responsible for providing continuous highway grade crossing warning protection during all phases of construction. At no time shall the work of the Contractor cause delay to train operation, cause an unsafe signaling condition to exist, or reduce the effectiveness or quality of the existing crossing warning systems. The
Section 13200-1 GENERAL SIGNALING REQUIREMENTS SECTION 13200 Contractor shall submit, for approval by the Engineer, its proposed plan for providing alternate methods of crossing warning whenever the existing automatic crossing warning devices are deactivated, altered, or modified in order to accommodate construction work. Alternate methods shall conform to CFR 49, Part 234, and all local ordinances.
H. Contractor shall provide rail bonding as required to support the new systems. The Contractor shall provide rail bonding, as necessary, to maintain existing systems during construction.
I. Contractor shall protect existing signaling cabling and, where necessary, relocate existing cabling in order to prevent damage to the cabling during track installation and profiling work.
J. Contractor shall provide warning devices, foundations, cables, and other equipment as shown on approved Shop Drawings. Contractor shall remove and reuse existing signaling equipment as indicated on the Contract Drawings and in these specifications.
K. Contractor shall record the final as-built conditions of the signal systems for each location.
M. Contractor shall perform and document all tests and inspections in accordance with CFR 49 regulations, the AREMA Signal Manual, and these Specifications.
1.2 RELATED WORK
Specifications for systems and products are covered in greater detail in the sections listed below. These Specifications are in addition to these general signaling requirements.
A. MISCELLANEOUS PRODUCTS Section 13222 B. RAIL BONDING Section 13224 C. WIRE AND CABLE Section 13226 D. TESTING Section 13228 E. GRADE CROSSING WARNING SYSTEMS Section 13525
1.3 REFERENCE STANDARDS
A. All electrical equipment, unless specifically excluded herein, shall conform to the standards of the National Electrical Manufacturers Association (NEMA), The Under- writers' Laboratories Inc., (UL), the Electrical Testing Laboratories (ETL), the National Electrical Testing Association, Inc. (NETA), or the Electronic Industries Association (EIA), wherever applicable. Unless specifically excluded herein, all materials and workmanship shall conform to the requirements of the National Electrical Code; California Administrative Code, Title 8, Chapter 4, Subchapter 5, Electrical Safety Orders; Standards of the American Society for Testing and Materials (ASTM); American National Standards Institute (ANSI); and any local ordinances that may
Section 13200-2 GENERAL SIGNALING REQUIREMENTS SECTION 13200 apply.
B. Wherever reference is made to any of the standards mentioned above, the reference shall be construed to mean the code, order, or standard that is in effect on the day the Notice to Proceed is dated.
C. The following General Orders (G.O.) of the State of California Public Utilities Commission (CPUC) shall apply:
1. G.O. 26-D: Regulations Governing Clearances On Railroads And Street Railroads With Reference To Side And Overhead Structures, Parallel Tracks, Crossings Of Public Roads, Highways And Streets.
2. G.O. 52: Construction and Operation of Power and Communication Lines for the Prevention or Mitigation of Inductive Interference
3. G.O. 75-D: Regulations Governing Standards For Warning Devices For At- Grade Highway Rail Crossings In The State Of California
4. G.O. 88B: Rules For Altering Public Highway-Rail Crossings
5. G.O. 118: Construction, Reconstruction, and Maintenance of Walkways and Control of Vegetation
6. G.O. 128: Construction of Underground Electric Supply and Communication Systems
D. The following parts of the Code of Federal Regulations, Title 49, Transportation shall apply:
1. Part 212: State Safety Participation Regulations
2. Part 219: Control of Alcohol and Drug Use
3. Part 218: Railroad Operating Practices
4. Part 228: Hours of Service of Railroad Employees
5. Part 234: Grade Crossing Signal System Safety
6. Part 235: Instructions Governing Application for Approval of a Discontinuance or Material Modification of a Signal System or Relief From the Requirements of Part 236
7. Part 236: Rules, Standards, and Instructions for Railroad Signal System
Section 13200-3 GENERAL SIGNALING REQUIREMENTS SECTION 13200 8. The Contractor shall be responsible for adherence to all of the above rules and reporting requirements, including those regulations which require pre-employment drug testing and random drug testing of employees engaged in the installation and testing of signal facilities, and the reporting and tracking of employees injured in the performance of work on a railroad.
E. The Manual on Uniform Traffic Control Devices, Part VIII, Traffic Control Systems for Railroad Highway Grade Crossings, shall apply.
F. In addition to the regulations and code requirements specified in this Section, materials and equipment for the signaling systems shall conform to the latest standards and recommendations of the American Railway Engineering and Maintenance-of-Way Association (AREMA) Communication and Signal Section Signal Manuals.
1.4 ABBREVIATIONS
AREMA American Railway Engineering and Maintenance-of-Way Association BNSF BNSF Railway Company CFR Code of Federal Regulations CPUC California Public Utility Commission GCOR General Code of Operating Rules GRS General Railway Signal Co. Harmon GE Transportation Systems, Inc. NEC National Electrical Code NEMA National Electrical Manufacturers Association SDNR CSES San Diego Northern Railway Communication/Signal Engineering Standards Safetran Safetran Systems Corporation UBC Uniform Building Code USS Union Switch and Signal Co.
1.5 FAIL-SAFE DESIGN REQUIREMENTS
A. As used in these Technical Provisions, the fail-safe principle shall mean that whenever an equipment failure, human error or failure to act, or adverse environmental condition affects the specified operation of a system involved with the safety of life or property, that system shall revert to a state known to be safe.
B. Failure of a circuit or equipment that results in an indication of a dangerous or restrictive condition, whether or not there is in fact actual danger, shall have met the fail-safe requirements. Conversely, a failure that results in an indication of safe or nonrestrictive condition when, in fact, a dangerous condition may exist, shall not have met the fail-safe requirements.
C. Vital applications, such as detector locking of switches, shall be based on the following principles that permit the attainment of fail-safe operation in all known or discovered
Section 13200-4 GENERAL SIGNALING REQUIREMENTS SECTION 13200 failure modes:
1. Closed Loops. Fail-safe circuits shall employ the closed loop principle and shall protect against open circuits, shorts, or any combination thereof.
2. Vital Relays. Relays used in vital circuits.
3. Vital Circuits. All line circuits that energize a vital relay shall be two-wire, double-break circuits and shall be energized from an ungrounded direct current (DC) power supply.
4. Grounds. Components or wires becoming grounded shall not cause an unsafe condition.
5. Spurious Oscillations. Any amplifier, generator, or device element, active or passive, breaking into spurious oscillations shall not cause an unsafe condition.
6. Filters. Filters used in fail-safe circuits shall be designed to prevent undesired signals from appearing at the filter output at levels that could cause an unsafe condition.
D. Equipment failures and conditions that shall be considered in producing a fail-safe design shall include, but not be limited to:
1. Relays (non-vital). Open coil, fused contacts, high contact resistance, shorted coil, armature sticking, contacts sticking, or broken spring.
2. Relay (vital or safety the as defined by the AREMA). Open coil, shorted coil, or high contact resistance.
3. Transformers. Open primary, open secondary, shorted turns, primary-to-secondary shorts, or combinations thereof.
4. Capacitors. Short, open, or leakage.
5. Resistors. Increase or decrease in resistance.
6. Transistors. Short, open leakage, or loss of Beta.
7. Diodes. Short, open, or reverse leakage.
8. Coils. Open or shorted turns.
9. Loss or degradation of power sources.
10. Appearance of abnormal signal levels, electrical noise levels, frequencies, and
Section 13200-5 GENERAL SIGNALING REQUIREMENTS SECTION 13200 delays.
11. Effects of electrical interference.
12. Absent or abnormal input signals.
13. Opens or shorts in internal circuitry at inputs and at outputs.
14. Mechanical vibration or shock.
15. Drift or instability of amplifiers, receivers, transmitters, oscillators, switching circuits, and power supplies.
16. Deterioration of contacts, connectors, terminals, solder connections, printed circuits, circuit adjusting devices, and mechanical devices.
E. Fail-safe equipment proposed for vital signaling applications under this Contract must have been proven with 5 years of successful rail service operation in the United States of America.
1.6 QUALIFICATIONS OF SIGNALING PERSONNEL
A. Key employees of the Contractor engaged in the final adjustment and testing of the grade crossing system shall be qualified and have had experience on an operating railroad in the type and level of signal installation and testing work as required herein.
B. The Contractor’s signaling construction forces shall work under the supervision and direction of an approved signal engineer. The Contractor’s signal engineer shall oversee the installation, adjustment and testing of signal related work. The Contractor’s signal engineer shall coordinate signal work with related track and roadway construction work. The Contractor's signal engineer shall be on site whenever signal related work or whenever track construction work is in progress in the vicinity of existing wayside signaling equipment, highway grade crossings, and/or cabling.
C. The Contractor’s signal engineer shall direct and certify the successful completion of all tests on signaling equipment and systems prior to releasing the systems for operation. The Contractor's signal engineer is responsible to ensure that all applicable test documentation is completed prior to, or immediately after, in-service testing is completed.
D. The Contractor's proposed signal engineer shall demonstrate experience in the philosophy, application, and testing requirements of the various signaling systems. The Contractor’s proposed signal engineer shall have a minimum of 15 years railroad signal work experience on a Class I railroad or mixed freight-passenger railway. The proposed signal engineer shall also demonstrate knowledge of the governing General Code of Operating Rules, including CPUC and FRA rules and regulations. This demonstration
Section 13200-6 GENERAL SIGNALING REQUIREMENTS SECTION 13200 shall be by interview of the proposed signal engineer by the Engineer prior to commencement of any signaling related work. The Engineer's decision concerning the candidate's qualifications shall be final. The Contractor shall propose alternate personnel if the original candidate is found to be unacceptable. No work shall begin prior to the Contractor's signal engineer having been approved by the Engineer.
1.7 DESIGN SUBMITTALS
A. No work shall be undertaken without the prior approval of the Engineer of the relevant plans and procedures.
B. The Contractor shall submit to the Engineer for approval: procedures, data sheets of proposed material, installation details, shop drawings, mechanical drawings, proofs of compliance with applicable standards, and any other pertinent data required to fully demonstrate the Contractor's proposed plan for the manufacture, installation, testing, and maintenance of the various signaling systems. The Contractor shall provide submittals as indicated the applicable technical specification section.
C. The Contractor shall submit a detailed test plan for all systems a minimum of 30 days in advance of placing the systems in service. These test plans shall reflect the latest revisions and changes approved by the Engineer and made as a result of field checks and conditions. Contractor is shall not proceed with the cutover or in-service testing until the test plans are approved by the Engineer.
D. The Contractor shall prepare and submit a Signaling Construction Sequencing Plan for the location where a signal system is to be modified, installed, or removed. The Plan shall, as a minimum, contain the following:
1. A narrative description of the work to be undertaken at the designated location.
2. A step-by-step sequence of work description which identifies those steps during which the existing system will be disabled, and a description of what steps will be taken to assure that the signal system will be tested and returned to full operation without causing a delay to any train movement.
3. An estimate of time to complete the critical steps in the sequence specified in 2.
E. Revisions to existing circuit plans shall use the "Red In"/"Yellow Out" convention.
F. Manufacturers' warranties and guarantees furnished for materials used in the work, instruction sheets, and part lists supplied with materials shall be delivered to the Engineer prior to acceptance of the project. All equipment, material warranties, and guarantees shall cover parts and labor for two years from the date the equipment is "placed in service".
G. After the system is placed in service and before Contract acceptance, the Contractor
Section 13200-7 GENERAL SIGNALING REQUIREMENTS SECTION 13200 shall submit as-built documentation as follows:
1. Two (2) copies of the Design Drawings within 3 days using the “Red In/Yellow Out” convention. An additional copy shall be placed in the associated instrument shelter.
1.8 AS-BUILT DOCUMENTATION
A. The as-built drawing sets shall be annotated to show all approved circuiting and wiring changes made during installation and testing of the location prior to placing it in service, and any approved changes made after placement in service. All changes shall be clearly identified on the drawings using the "Red In"/"Yellow Out" convention, and shall be dated and initialed by the Contractor's responsible signal engineer. The date that the location was tested and placed in service shall be identified in the revision block of the drawings.
B. The as-built drawings shall be bound as a set and shall be kept in the instrument enclosure at a location and manner approved by the Engineer. As-built drawings shall be clean and legible. The as-built drawings shall not be removed from the field location after the location is placed in service without the prior written approval of the Engineer.
C. The final as-built drawings shall be 11 inches by 17 inches, unless authorized by the Engineer to substitute another size.
D. Each circuit that continues on another drawing shall be annotated with drawing number and routing information for the continuation of the circuit.
E. The As-built Drawings shall show all individual circuits. Typical circuits will not be accepted.
F. The location plans shall show all cable installed with the number of conductors, the size of conductors, the type of cable, termination points of conductors, and the circuit on each conductor. Separate cable plans shall be drawn if cable information cannot be shown in a neat and organized manner on the location plans.
G. The shop drawings shall be detailed equipment drawings for each type of equipment installed.
PART 2 - PRODUCTS
2.1 SUBMITTALS
A. Contractor shall submit product information, references, and test data as detailed in the relevant Specifications and Contract Drawings for all equipment proposed.
Section 13200-8 GENERAL SIGNALING REQUIREMENTS SECTION 13200
B. The minimum submittal requirement for any material provided is a manufactures catalog cut showing ordering information and basic specifications.
2.2 EQUIPMENT - GENERAL
A. All materials and equipment for installation and for interconnection of the various signaling systems shall be fabricated, furnished, and installed as indicated on the Contract Drawings and specified herein. Signaling materials and equipment shall be the products of manufacturers regularly engaged in the production of such material and equipment and shall be the manufacturer's latest design. The materials and equipment shall have shown proven performance in North America for a minimum of 5 years. Materials and equipment shall be delivered to the jobsite in unbroken packages, reels, or other forms of containers.
B. All materials and equipment provided by the Contractor shall be new. All materials and equipment shall conform to the recommendations of AREMA Signal Manual, except as modified in the Specifications and Contract Drawings.
C. Reference to specific equipment and/or manufacturers is intended to establish quality, overall design, and fit, subject to compliance with all criteria specifications. Equipment equal to, or exceeding the Specifications and requirements may be used subject to the Engineer's written acceptance.
2.3 EQUIPMENT - ENVIRONMENTAL PARAMETERS
A. All Contractor provided material and equipment shall be fully operable with no impairment resulting from the effect of the environment throughout the range of worst values indicated below. The general operating environment shall be considered to be in salty atmosphere and in generally sunny weather.
B. Ambient outdoor temperature range: from negative 32 degrees C to plus 71 degrees C.
C. Relative humidity range: from 0 to 100 percent.
D. Maximum rainfall: 4 inches in 24 hours and 1.5 inches in 1 hour.
E. Maximum wind velocity: 100 miles per hour.
F. The project is in Seismic Zone 4 as defined in the “Uniform Building Code.”
G. Provisions shall be made to assure equipment within the instrument shelters and relay cases is securely anchored or otherwise fastened after the enclosure has been delivered to the job site and installed by the Contractor.
Section 13200-9 GENERAL SIGNALING REQUIREMENTS SECTION 13200
H. Securing equipment shall not negate the requirements to maintain isolation between ground systems as otherwise called for in these Specifications.
I. Isokeraunic level: five per year.
2.4 ELECTRICAL AND ELECTRONIC COMPONENTS
A. This Section specifies the requirements for the various electrical and electronic components to be incorporated within the signaling systems.
B. The Contractor shall design fusing of all DC power supplies and circuitry according to the following requirements:
1. Circuit breakers and fuses shall be the correct sideband rating for circuit current interruption and shall protect the electrical equipment and circuits from short-term and long-term overloads.
2. Fuses shall be sized to protect the wire.
3. Fuses shall be in the positive leg of the power supply.
4. Fuses shall be of the nonrenewable indicating type.
5. All branch feeds for a circuit shall be from the same fuse so as to prevent fuse cascading due to branch fusing carrying loads for other circuits.
6. Fuses shall be no smaller than 5 amperes unless otherwise shown on the Drawings.
7. Loads shall be divided so that no normal operating current is more than 75 percent of the fuse rating.
8. Fusing shall be functionally oriented to minimize the equipment affected by a blown fuse (i.e., per track, switch control circuits, etc.)
9. Fuse clips shall be constructed to retain their resilience under all installation and service conditions and to ensure a positive contact between the clips and the fuse.
C. Printed Circuit (PC) Cards and Connectors shall be as specified in the following:
1. The PC cards shall be mounted in 19-inch card files unless otherwise approved by the Engineer.
2. The PC wiring shall be organized so that wires serving the same function shall be connected to the same terminal of PC cards. PC cards containing the same
Section 13200-10 GENERAL SIGNALING REQUIREMENTS SECTION 13200 circuitry and programming, where applicable, shall be interchangeable between subsystems.
3. The design and construction of PC cards of the same subsystems shall be the same. Cards of different subsystems shall be of the same design and construction wherever practicable.
4. PC cards shall be of glass epoxy construction. Card material shall meet the requirements of NEMA, Type FR-4. Cards shall have sufficient thickness to permit easy insertion and removal, and shall be physically keyed to protect against incorrect interchange. Circuits shall be formed by etching. Conductor material shall be copper and shall be protected from exposure to air.
5. PC cards containing components that may be damaged if a plug connector or plug-in unit is removed while the equipment is energized, shall be clearly identified in the equipment maintenance manual. PC Addendum No. 2 cards shall be marked or labeled with a warning note on the individual board, be conspicuously located on the module, or by an alternate means as approved by the Engineer. A means shall be provided to remove power from the module or card file.
6. Components mounted on the PC card, weighing more than 1/2 ounce or with a displacement of more-than 1/2 cubic inch, shall have a mechanical supporting attachment to the card separate from all electrical connections.
7. Stacking or piggybacking of PC sections in order to accomplish changes or modifications to wiring or components on printed circuit cards shall not be allowed.
8. Connectors shall have plating with a minimum thickness of 0.00005 inch.
D. Printed Circuit card files shall be as specified in the following:
1. There shall be not more than one type of card file for each size of PC card. The card file plugboards shall be registered to agree with the registry of the associated PC card. PC cards shall not project beyond the front of the equipment rack when mounted in the card file.
2. Card files shall be installed in dustproof cabinets and protected with dust covers.
3. Insulated cable clamping devices shall be located on the back of the file in such a way that wires terminating in the files shall be installed in a neat and secure bundle, rigidly supported, and protected to prevent chafing of insulation. Cabling provision on the file shall permit wires to enter or leave the file from both the right and left sides. Such cabling shall not restrict access to the card file when the rear covers of the card files are removed.
Section 13200-11 GENERAL SIGNALING REQUIREMENTS SECTION 13200
PART 3 - EXECUTION
3.1 INSTALLATION
A. Contractor shall make all necessary modifications to the existing system, protect or relocate existing cabling and grade crossing warning devices; and modify associated systems to ensure the existing system operates as intended during construction and installation of the new crossing warning device systems. Contractor shall take all measures necessary to protect operating grade crossing systems to ensure train operations are not interrupted and the intended level of safety is maintained.
B. Contractor shall take no action which will violate any rule or regulation as specified by CFR 49, the General Code of Operating Rules, timetable instructions, general order, bulletin, or special instruction; which will reduce the integrity of the signal system; or endanger railroad personnel, the public, or employees.
C. An updated set of the approved signal system detail Contract Drawings shall be kept at the field location for equipment placed in service.
3.2 WARRANTY
A. The Contractor shall provide warranty from defects arising from defective parts, workmanship, and lightning damage for 1 year from the first date of service.
PART 4 – MEASUREMENT AND PAYMENT
A. The lump sum bid for Railroad Crossing Materials shall cover the cost of furnishing all material, labor, and equipment needed to provide the systems in accordance with the Contract Drawings, Specifications, and directions of the Engineer.
B. No separate measurement and payment shall be made under this section.
END OF SECTION
Section 13200-12 RELAYS SECTION 13210
SECTION 13210
RELAYS
PART 1 - GENERAL
1.1 DESCRIPTION
A. Work Includes: Furnishing and installing all required relays. Unless otherwise indicated on the Contract Drawings, relays shall be the plug-in type. Relays of each type shall be uniform in design and contact assembly.
1.2 RELATED WORK
A. GENERAL SIGNALING REQUIREMENTS Section 13200 B. SIGNAL SHELTERS Section 13212 C. MISCELLANEOUS PRODUCTS Section 13222 D. WIRE AND CABLE Section 13226 E. TESTING Section 13228 F. GRADE CROSSING WARNING SYSTEMS Section 13525
1.3 QUALITY ASSURANCE
A. Vital relays shall meet the requirements of AREMA Signal Manual Part 6.2.1, where the requirements of the AREMA Specifications do not conflict with any requirements specified herein. B. Contract Drawings indicate acceptable relays for use. Contractor shall not substitute relays as shown on Contract drawings without the approval of the Engineer.
C. Factory testing of each relay shall be the manufacturer's standard.
D. Before any relay is used, the Engineer's written acceptance shall be obtained. Acceptance will be based on the test results and the proper completion of the appropriate test Form.
1.4 SUBMITTALS
A. Relay specifications, any special mounting or supporting arrangements, and contact stacking arrangements, for all relay types to be furnished under this Contract. Include any arc suppression where arc suppression is required.
Section 13210- 1 - City of Hesperia Industrial Lead Grade Separation Project RELAYS SECTION 13210
B. The appropriate test form shall be completed for each vital relay furnished under this Contract. The use of type written characters shall be used to fill in all information requested on the form.
C. Sample relay identification tag, including method of mounting proposed.
1.5 DELIVERY, STORAGE, AND HANDLING
Vital relays shall be shipped separately from the wired racks in which they are to be used. Relays shall be packaged individually, each in a sturdy corrugated cardboard carton with the drawing number of the relay printed on the outside of the carton. Relays shall be stored in a protected area until tested and installed.
PART 2 - PRODUCTS
2.1 GENERAL
A. Relays and equipment specified shall be capable of rated performance through an operating temperature range of minus 40 degrees F to plus 160 degrees F.
B. Relays shall be in dustproof enclosures, except a provision shall be made for ventilation where required, for heat dissipation.
2.2 VITAL DC RELAYS
A. General:
1. Vital Relays shall be GRS Type B or Safetran Type "ST", or approved equal. Contractor shall use the specific relays shown on the Contract Drawings unless otherwise approved by the Engineer.
2. Vital DC relays, unless otherwise indicated on the Contract Drawings, shall be of the plug-in type and rack-mounted. Relays shall have a transparent dust cover made of a nonflammable composition that will not support combustion.
3. Vital relays, with a nominal operating voltage of 10 to 16 volts, shall be capable of operating continuously without resultant damage, with a minimum voltage range of 7 to 21 volts inclusive, applied to their operating circuits.
4. Vital relays shall have a test terminal to allow convenient measurement of the coil voltage.
Section- 2 - City of Hesperia Industrial Lead Grade Separation Project RELAYS SECTION 13210
5. Biased neutral vital relays shall be designed so that gravity alone will prevent the armature from picking up if the permanent magnet is de-energized or if no current is applied to the coil, due to interruption of the normal magnetic circuit.
6. All front contacts shall be silver-to-metalized carbon, meeting the requirements of the AREMA Signal Manual Part 6.2.1.
7. When three DC vital relays, suppressed as specified herein, are connected in parallel and operated as a test load from normal working voltage, a vital relay front or back contact that breaks this load shall be capable of at least five million operations at this load without the contact resistance, measured with ten milliamp current, exceeding five ohms.
8. Arc suppression for vital relays shall be built into the relay or into its plugboard.
9. Vital plug-in relays, except vital time-element relays and special application relays, shall be equipped with front current testing facilities. Where required by the Engineer and as shown on the Contract Drawings, facilities shall be provided to enable the testing of voltage from the front of the relay, without having to remove the relay or remove adjacent relays.
10. Vital relays shall be equipped with a registration plate to prevent relays of the wrong style, contact arrangement, or operating characteristics, from being inserted into the plugboard.
11. Flasher relays shall conform to AREMA Signal Manual Part 6.1.45.
2.3 IDENTIFICATION
A. Facilities shall be included for mounting an approved typed or printed relay name tag for each relay, either on the relay cover or on the relay cabinet front plate, as applicable. The name tag shall be easily replaceable, but shall not come off during normal service.
B. Identification shall be in accordance with Section 13222.
PART 3 - EXECUTION
3.1 INSTALLATION
A. Contractor shall ensure that the relay operating characteristics have not been altered due to damage during shipping procedures.
Section 13210- 3 - City of Hesperia Industrial Lead Grade Separation Project RELAYS SECTION 13210
B. Contractor shall ensure that all AC and DC power buses are open while installing relays. Buses shall not be reconnected until all relays have been installed.
C. Power feeds through switch mechanism control relays shall be closed only during testing, prior to in-service operation.
D. Contractor shall install and wire the relays as shown on the Contract Drawings.
3.2 TESTING
A. All DC vital relays shall be factory tested and inspected in accordance with AREMA Signal Manual Part 6.4.1.
B. Perform tests in accordance with Section 13228.
C. Tests measurements shall be recorded on the appropriate form.
PART 4 – MEASUREMENT AND PAYMENT
A. The lump sum bid for the signaling systems shall cover the cost of furnishing all material, labor, and equipment needed to provide the systems in accordance with the Contract Drawings, Specifications, and directions of the Engineer.
B. No separate measurement and payment shall be made under this section.
END OF SECTION
Section- 4 - City of Hesperia Industrial Lead Grade Separation Project SIGNAL SHELTERS SECTION 13212
SECTION 13212
SIGNAL SHELTERS
PART 1 - GENERAL
1.1 DESCRIPTION
A. Work Includes: Furnishing and installing factory-wired equipment shelters as described herein and as shown on the Contract Drawings.
1.2 RELATED WORK
A. GENERAL SIGNALING REQUIREMENTS Section 13200 B. RELAYS Section 13210 C. BATTERIES, RECTIFIERS, AND CHARGING EQUIPMENT Section 13220 D. MISCELLANEOUS PRODUCTS Section 13222 E. WIRE AND CABLE Section 13226 F. TESTING Section 13228 G. GROUNDING Section 13450 H. GRADE CROSSING WARNING SYSTEMS Section 13525
1.3 QUALITY ASSURANCE
A. The factory test of the shelters, and the functioning of the equipment contained within each, shall be conducted in accordance with the Contractor's accepted Factory Test Procedure.
B. Each shelter will be inspected after they have been installed and any deficiencies shall be corrected by the Contractor. This inspection will be conducted in conformance with the requirements of the Contractor's accepted Installation Inspection Procedure.
1.4 SUBMITTALS
A. Shop Drawings showing the proposed size and equipment layout including rack, lighting, convenience outlet arrangement, and exhaust fan mounting and location.
B. Shop Drawings of the complete grounding arrangement.
C. Factory Test Procedures proposed.
D. Installation Test Procedures proposed.
13212- 1 SIGNAL SHELTERS SECTION 13212
1.5 DELIVERY, STORAGE, AND HANDLING
A. Equipment shipped within shelters shall be properly fastened and braced to prevent damage during transit. Any equipment damaged during transit or prior to in service operation shall be replaced at no additional cost to the city.
B. All vital relays, batteries, battery chargers, and electronic plug-in modules shall be packaged in separate containers for shipment and not installed until the shelter is set at its final location.
PART 2 - PRODUCTS
2.1 GENERAL
A. Contractor shall supply factory-wired equipment shelters, as described herein and as shown on the Contract Drawings. These shelters shall be complete with all the equipment shown on the Contract Drawings. Wiring shall conform to the requirements of the AREMA Signal Manual, NEMA Standard ICS-70, or National Electrical Code (NEC), as applicable unless otherwise specified.
B. Equipment shelters shall be manufactured by PTMW and wired and assembled by GE Transportation Systems – Global Signaling, or approved equal. When ordering the shelter the Contractor shall reference BNSF shelter number SKR-101.
C. Equipment shelters shall be the same size and layout as shown on the Contract Drawings.
D. Equipment shelters shall be raintight and dust/tight, National Electrical Manufacturers Association (NEMA) 3R, ventilated, and have hinged doors with three point catch and handle.
E. Equipment shelters shall be constructed of aluminum with a minimum wall thickness of 0.100 inch.
F. The instrument shelters shall be complete with moveable shelves and backboard.
G. The equipment shelters shall provide access to underground and aerial cable entrance behind the main terminal rack. Roof and side ventilation openings shall be provided as required for the size of the shelter proposed. Lift rings shall be provided to facilitate the movement of the shelter.
Section 13212- 2 - City of Hesperia Industrial Lead Grade Separation Project SIGNAL SHELTERS SECTION 13212
H. In each door, there shall be ventilation openings. The exterior of the ventilation openings shall be hooded to minimize the entrance of precipitation. The interior of ventilation opening shall be equipped with sliding plate to allow the adjustment of airflow and equipped with a replaceable dust filter. The doors shall be hinged and gasketed so that they will provide a dustproof and weatherproof seal. Doors shall be provided with a two-position retaining device to secure the door when open. Doors shall be a minimum of 32 inches wide.
I. Hinges shall be separate castings, securely fastened to the shelter and door. The hinges shall be equipped with bronze hinge pins, shall be lubricated by the manufacturer before the case is shipped, and shall have grease fittings for later lubrication.
J. Equipment shelters shall be furnished with interior lighting and duplex 120 volt/20 amp alternating current (AC) power receptacles. Shelter lighting and receptacle loads shall be fed from a ground fault interrupt circuit breaker used exclusively for these loads. Signaling logic and appliance power loads shall be fed from a separate circuit breakers. Circuit breakers and wiring shall be provided as shown on Contract Drawings.
K. Shelters shall be furnished complete with a 120/240 VAC power distribution panel, circuit protective devices, and all appurtenances necessary to supply the AC power required at each site.
2.2 EQUIPMENT MOUNTING
A. General
1. Signal Shelter shall be wired and assemble by GE Transportation Systems – Global Signaling. Wiring and assembly practices shall adhere to the latest BNSF standards.
2. Equipment shall be mounted in a “logical” arrangement with focus on access needs and “ease of maintenance” and as shown on Contract Drawings.
B. Relay Plugboards
1. Plugboards shall be designed for insertion of removable type contacts. The method of attaching the wires to the removable contacts shall be solderless connections. The plugboard shall be designed so that the removable contact will have a direct connection with the contact and coil prongs. The plugboards shall be in accordance with the applicable sections of AREMA Signal Manual, Part 6.2.1.
2. All wires shall be of sufficient length to permit them to be moved to any
13212- 3 SIGNAL SHELTERS SECTION 13212
contact on the same relay.
3. The plugboards for vital relays shall be equipped with a registration plate to prevent relays of the wrong type, contact arrangement, or operating characteristics from being inserted.
2.3 IDENTIFICATION
A. A white identification number shall be stenciled at the top of the front and rear frames of each rack or panel.
B. There shall be an identifying nameplate for each relay, or other instrument mounted on the rack or panel.
C. The back and front of the relay plugboards shall be equipped with a tag, as specified in Section 13222. This tag shall indicate the nomenclature of the relay.
D. Terminals and both ends of all wires shall be identified with a sleeve tag printed with the circuit nomenclatures and terminal designations as shown on the Contract Drawings.
E. Wire and cable conductor identification tags for terminal board mounting shall conform to the latest BNSF standards.
2.4 CABLE ENTRANCE TERMINAL BOARDS
A. Cable Entrance Terminal Boards shall be 3/4 inch Type AB exterior (five ply) plywood, securely mounted to the shelter and painted with a fire retardant paint.
B. Multiple-unit terminal blocks for wire and cable conductors shall be in accordance with AREMA Signal Drawing 14.1.6. Each binding post shall be furnished with two binding nuts, one clamp nut, and three washers.
C. Safetran test links shall be provided on all conductors entering shelters.
D. Lightning arrestors shall be provided as indicated on the Contract Drawings.
E. Binding posts and exposed terminals of other apparatus for circuits exceeding 50 volts or greater (AC or DC) shall be equipped with insulating nuts and sleeves.
F. Cable entrance facilities shall be located as shown on the approved Shop Drawings.
2.5 CABLE ENTRANCE PIPES
Section 13212- 4 - City of Hesperia Industrial Lead Grade Separation Project SIGNAL SHELTERS SECTION 13212
Shall be supplied by Contractor as specified in Section 13222.
2.6 GROUNDING
A. Shelter shall be fitted with a 48 inch long #6 ground wires cadwelded to interior of the shelter at each rear corner and brought into the shelter through the floor.
B. Grounding material shall be supplied by Contractor and installed as specified in Section 13450.
2.7 INTERNAL WIRING
A. Internal wiring shall be in accordance with AREMA Signal Manual Parts 10.4.1, 10.4.30, and 10.4.40, unless otherwise specified herein or shown on the Contract Drawings.
B. Minimum wire conductor sizes shall be as shown on the Contract Drawings unless otherwise approved by the Engineer.
C. Adhering to minimum wire size specifications does not relieve the Contractor’s responsibility of using wire sized large enough to safely an effectively provide power to the circuit it serves.
D. Solderless terminals, for stranded wire, shall be in accordance with Section 13222.
E. Solid terminal connectors shall be used for all short terminal jumpers.
F. Wire shall conform to the requirements in Section 13226.
2.8 PAINTING
A. The interior including the ceiling, walls, terminal boards, and shelves shall be finished with a primer and two coats of white latex enamel paint.
B. All paint shall be fire retardant type.
2.9 OTHER EQUIPMENT
A. Wiring Raceway (Wire Routing): Internal case wiring shall be contained within surface-mounted plastic raceway. Raceway shall be of a polycarbonate, low smoke type with a solid snap on cover and flexible side walls. The side walls shall be of "finger" type construction allowing for insertion and removal of wire runs with termination’s attached. Sizes shall be determined by the manufacturer. Fill capacity shall not exceed 60%.
13212- 5 SIGNAL SHELTERS SECTION 13212
B. Panel Board: Furnish a single-phase, three-wire 120/240 VAC, 60 Hz panel board for each shelter furnished under this Contract. The panel board shall be sized as shown on the approved Shop Drawings. The capacity rating shall be in accordance with the Contractor's load calculations and the approved Shop Drawings.
2.10 SHELTER FOUNDATIONS
A. Shelter foundations shall be the inner wall type and adjustable from the outside of the enclosure. The range of adjustment shall be from 36-inches to 52-inches in 1/2-inch increments. Located in the wall the foundations shall be galvanized steel, a minimum of 60-inches long, include all hardware, and a 12-inch x 12-inch x 1/4-inch footing pad. All galvanizing shall conform to the AREMA Signal Manual, Part 15.3.1.
PART 3 - EXECUTION
3.1 INSTALLATION
A. The shelters shall be mounted level and plumb and secured thereon with the hardware provided. Shims, spacers, or other filler devices shall not be used to level and plum the shelters.
B. Cable entrance pipes shall be installed through the cable knockout holes provided in the floor of the shelter behind the terminal board. Pipes shall be filled with a substance designed for this purpose that prevents entrance of debris, rodents, and other pests.
C. Shelters shall be grounded as specified in Section 13450.
D. Shelter shall be located as per the Contract Drawings and as approved by the Engineer. If conditions do not allow placement as shown on the Contract Drawings, then the Contractor shall submit alternate placement for approval of the Engineer.
E. Relays shall be installed on the relay plugboards corresponding to the relay nomenclature and identification plate, and securely fastened in place with the hardware provided by the relay manufacturer.
F. Batteries shall be installed on battery trays. Battery posts shall be coated with an approved grease and battery connectors shall be securely fastened to the battery posts.
3.2 AC POWER
Section 13212- 6 - City of Hesperia Industrial Lead Grade Separation Project SIGNAL SHELTERS SECTION 13212
A. Load center shall be wall mounted to the shelter in a location that provide convenient access but does not block access to signal apparatus.
3.3 TESTS
The functioning of the equipment contained within the instrument shelter shall be tested in accordance with the requirements of Section 13228, and AREMA Signal Manual Part 2.4.1.
PART 4 – MEASUREMENT AND PAYMENT
A. The lump sum bid for Railroad crossing materials shall cover the cost of furnishing all material, labor, and equipment needed to provide the systems in accordance with the Contract Drawings, Specifications, and directions of the Engineer.
B. No separate measurement and payment shall be made under this section.
END OF SECTION
13212- 7 BATTERIES, RECTIFIERS AND CHARGING EQUIPMENT SECTION 13220
SECTION 13220
BATTERIES, RECTIFIERS AND CHARGING EQUIPMENT
PART 1 - GENERAL
1.1 DESCRIPTION
A. Work Includes: Furnishing and installing rectifiers, batteries, and battery charging equipment, as specified herein and as shown on the Contract Drawings.
1.2 RELATED WORK
A. GENERAL SIGNALING REQUIREMENTS Section 13200 B. MISCELLANEOUS PRODUCTS Section 13222 C. SIGNAL WIRE AND CABLE Section 13226 D. SIGNAL TESTING Section 13228 E. GROUNDING OF EQUIPMENT Section 13450
1.3 QUALITY ASSURANCE
A. Battery charging equipment, as specified herein, shall meet the requirements of AREMA Signal Manual Part 9.2.1, where the requirements of AREMA Signal Manual do not conflict with any requirements specified in this Section.
B. Batteries, as specified herein, shall meet the requirements of AREMA Signal Manual Part 9.1.3, where the requirements of the AREMA Signal Manual do not conflict with any requirements specified in this Section.
C. Batteries and battery chargers shall be tested in accordance with the Manufacturer's standard.
1.4 SUBMITTALS
A. Load calculations of each DC and AC load if alternate equipment other than that shown in Contract Drawings is furnished. The calculations shall identify normal and worst-case conditions for each load.
B. Complete performance data of each type and size of battery charger and storage battery to be furnished.
13220-1
BATTERIES, RECTIFIERS AND CHARGING EQUIPMENT SECTION 13220
PART 2 - PRODUCTS
2.1 ACCEPTABLE MATERIALS
A. Ampere hour battery capacity shown on Contract Drawings is the minimum capacity that shall be furnished for the equipment represented. If the Contractor provides alternate equipment, as approved by the Engineer, the following data shall be used to calculate the required minimum battery capacity to be provided.
1. Including, but not limited to, solid-state interlocking systems, highway grade crossing train detection systems, exit gate management systems, and auxiliary systems utilize to provide circuit power to adjacent locations shall provide sufficient standby power to operate such systems for a minimum of 48 hours. 2. Standby battery capacity for operation of highway grade crossing warning devices shall provide sufficient standby power to operate the warning devices for a minimum of 8 hours. The term “operate” shall be construed to mean the gates are in the full horizontal position and all lights are flashing continuously for 8 hours.
B. Type SPL Nickel-Cadmium Batteries as manufactured by SAFT America, or approved equal.
C. CRAGG Railcharger Series ATC – as distributed by RECO Railway Equipment Co., or approved equal.
2.2 EQUIPMENT DETAILS
A. Battery charging equipment shall be designed for continuous operation.
B. Battery charging equipment shall be designed to deliver rated outputs with input voltage of 100 to 240 VAC at 60 Hz, single phase, two wire input.
C. Battery charging equipment shall have a reserve capacity of at least 25 percent above the calculated high load requirements.
D. Each charger shall be capable of providing a programmable output voltage adjustment.
E. Terminal markings for AC and DC terminals shall be permanent.
F. The output of the charger shall be sufficiently filtered to be compatible with the input voltage requirements of the solid-state interlocking units, and all other electronic equipment provided by the Contractor for the signaling system.
13220-2
BATTERIES, RECTIFIERS AND CHARGING EQUIPMENT SECTION 13220
G. Battery to be sized to provide a minimum of 24 hours of uninterrupted power to the signal systems at the normal operating load.
H. Batteries shall be sealed, maintenance free batteries.
I. Each battery cell shall be hermetically sealed in a leak proof and spill proof casing. Batteries shall not release any gas, fumes, or any toxic substances when operated under normal conditions or when charged or discharged at a maximum recommended rate.
J. Batteries shall be capable of a minimum of 1,000 charge-discharge cycles to 80% discharge without loss of capacity. Totally discharged batteries shall be capable of being recharged to rated capacity with charging voltage of no more that 2.30 volts per cell.
PART 3 - EXECUTION
3.1 INSTALLATION
A. Install all batteries and battery charging systems as shown on the Contract Drawings.
B. Furnish all mounting hardware, terminals, and terminators, etc., for mounting chargers and batteries in wayside cases, signal instrument shelters.
3.2 TESTS
A. Perform all tests specified in Section 13228, ensuring system operation.
PART 4 – MEASUREMENT AND PAYMENT
A. The lump sum bid for Railroad crossing materials shall cover the cost of furnishing all material, labor, and equipment needed to provide the systems in accordance with the Contract Drawings, Specifications, and directions of the Engineer.
B. No separate measurement and payment shall be made under this section.
END OF SECTION
13220-3
MISCELLANEOUS PRODUCTS SECTION 13222
SECTION 13222
MISCELLANEOUS PRODUCTS
PART 1 - GENERAL
1.1 DESCRIPTION
A. Work Includes: Furnishing miscellaneous components and products to be used on this Contract.
1.2 RELATED WORK
A. GENERAL SIGNALING REQUIREMENTS Section 13200 E. BATTERIES, RECTIFIERS, AND CHARGING EQUIPMENT Section 13220 G. WIRE AND CABLE Section 13226 H. TESTING Section 13228 I. GROUNDING Section 13450 J. GRADE CROSSING WARNING SYSTEMS Section 13525
1.3 QUALITY ASSURANCE
A. All miscellaneous components and products used on this Contract shall be:
1. New and free of manufacturing defects.
2. Clearly and permanently labeled with value or type identification.
B. All electrical components shall be rated to operate at power, voltage, current, and temperature levels exceeding by 20 percent those that the components will be subject to in service, unless otherwise specified herein.
1.4 SUBMITTALS
A. Product Data: Manufacturer's catalog cuts, material descriptions, specifications, and other data pertinent to the miscellaneous products required.
B. Samples of solderless terminals conforming to article 2.12.B herein.
13222-1
MISCELLANEOUS PRODUCTS SECTION 13222
PART 2 - PRODUCTS
2.1 SIGNAL TERMINAL BLOCKS
Signal system terminal blocks shall be in accordance with the applicable requirements of AREMA Signal Manual Part 14.1.5.
2.2 TERMINAL BINDING POSTS
A. Signal system terminal binding posts shall be in accordance with the applicable requirements of AREMA Signal Manual Part 14.1.10.
B. Terminal binding posts for communications grade wires shall be in accordance with the AREMA Signal Manual, Part 14.1.2.
2.3 TERMINAL POST INSULATORS
A. All terminal posts, located on terminal boards in the wayside cases, signal instrument shelters used to terminate 50V, or greater, AC or DC circuits shall be provided with a protective insulator.
B. The type of insulator shall be individual for each terminal post, and shall be fire-resistant.
2.4 INSULATED TEST LINK
Type 024620-1X as manufactured by Safetran, Inc., or accepted equal.
2.5 LIGHTNING ARRESTERS AND EQUALIZERS
Safetran Clearview No. 022485-28X, Equalizer No. 022700-1X, or accepted equal. Lightning arresters and equalizers shall be mounted on accepted type base and shall be in accordance with AREMA Signal Manual Part 11.3.1.
2.6 TERMINALS FOR WIRES AND CABLES
A. All solderless terminals shall be in accordance with the AREMA Signal Manual, Part 14.1.1, unless otherwise specified herein.
B. Terminals shall be of the solderless crimp-on type. Samples of all solderless terminals shall be submitted for approval.
C. All stranded copper wire shall be fitted with an approved type of terminal at all points where the wires are to be terminated on terminal binding posts.
13222-2
MISCELLANEOUS PRODUCTS SECTION 13222
D. The terminating means shall be of four types:
1. A lug for terminating heavy wires or signal power wires.
2. A solderless type of terminal as manufactured by American Pancor, Inc., under the trade name of “Pre-Insulated Flags” with translucent insulation similar to Catalog No. 322313, or approved equal, for terminating No. 16 and No. 14, American Wire Gauge (AWG) stranded wires.
3. An AMP Solistrand "Ring Tongue-Flat" terminal, similar to that shown on the AMP Drawing P64044, together with slip-on nylon post insulator, similar to that shown on AMP Drawing P64-0264, or approved equal, for terminating wires larger than No. 14 AWG to a maximum diameter over the insulation of 0.40 inch.
4. An AMP preinsulated, diamond grip ring nylon insulated wire terminal shall be used for terminating other stranded wires, No. 20 and No. 18 AWG, having maximum diameter of 0.125 inch. AMP Catalog No. 320554, or approved equal, shall be furnished for No. 8 studs and AMP Catalog No. 320571, or approved equal, shall be furnished for l/4-inch studs.
E. The terminals shall be for attaching to the ends of the conductor in such a manner that the flexibility of the conductor will not be destroyed and the possibility of breakage at the terminal will be reduced to a minimum.
F. Terminals shall be for attaching to the wire with a tool made by the manufacturer of the terminal and recommended by the manufacturer for the terminals being furnished.
G. The tool shall be equipped with a ratchet device to ensure proper indentation of the terminal, which will not release until proper indentation is complete.
2.7 TAGGING FOR CABLES, WIRES, AND EQUIPMENT
A. Except as otherwise specified in this Section, both ends of each cable, each cable wire, and all single wires that terminate in the junction boxes, switch mechanisms, signal instrument shelters, on entrance racks, shelter and any equipment of the signal system outside of such locations shall be permanently identified with a tag. Tags shall be installed so that they may be read with a minimum of disturbance of the tags. Each conductor of the cable shall be rung out and identified before applying the tag. The circuit nomenclature, as shown on the approved Design Drawing or approved Shop Drawing, shall be placed on the tag along with the “location” or “terminal” designation.
B. Tags for wire and cable identification and for identification of transformers, resistors, reactors and other components shall meet the following requirements and shall be subject to the Engineer's acceptance:
13222-3
MISCELLANEOUS PRODUCTS SECTION 13222
1. Sleeve Type Tags:
Tags for identifying individual cable conductors and field-installed wires within the signal instrument shelters, wayside cases, switch mechanisms, switch layout junction boxes, base of signal junction boxes, and similar applications, shall be the sleeve type as manufactured by Raychem Corporation, Thermofit Marker System (TMS), or accepted equal. The application of the conductor nomenclature shall be in accordance with the manufacturer's instructions and shall result in a permanently bonded and legible identification.
2. Flat Plastic Tags:
a. Tags for identification of vital relay plug boards, individual transformers, resistors, reactors, terminals, and other miscellaneous components within the signal instrument shelters, wayside cases, and outside terminal cases, shall be the flat plastic laminated type.
b. These tags shall be 1-1/2 inches long by 1/2-inch-wide. The untreated tag shall be milk white "vinylite", or accepted equal.
c. The identifying nomenclature space shall allow for two rows of lettering, and the tag material shall be capable of receiving typed-on characters by conventional means. The height of the lettering shall not be less than 1/8 inch.
d. After lettering, both the face and back side of the tag shall be covered with a clear plastic coating, "vinylite", or accepted equal.
e. Wrap-around tags: Tags for identification of the individual wires of plug-in relays, within the signal instrument shelter, and the wayside cases shall be the wrap-around, self-adhesive type.
2.8 HARDWARE
Mounting hardware exposed to the elements and used for signal equipment, cases, conduit, hangers, brackets, clamps, etc., shall be hot-dip galvanized, except as otherwise accepted by the Engineer.
A. Galvanizing:
1. The hot-dip process of galvanizing shall be used. All parts shall be picked so that all scale and adhering impurities are removed. The zinc coating shall be of commercially pure zinc, and shall be continuous and thorough. It shall not scale, blister, or be removable by any of the processes of handling or installation. The finished surface shall be free from fine line cracks, holes, or other indications of
13222-4
MISCELLANEOUS PRODUCTS SECTION 13222
faulty galvanizing. It shall be smooth and free from adhering flux and other impurities. The edges and ends of parts shall be free from lumps and globules. Parts shall be coated with at least two ounces of zinc per square foot of galvanized surface, after all bending, cutting, drilling, and final fabrication.
2. In order to avoid destruction of resilience encountered in the hot-dip process of galvanizing, all lock-washers shall be cadmium plated.
2.9 CONDUIT
A. Rigid: Rigid conduit shall be used at locations as herein specified and shown on the approved Design Drawings. The types of rigid conduit to be used for the various applications shall be as follows:
1. Steel Conduit: Steel conduit shall be made of the best grade standard weight steel pipe protected inside and outside by a coat of hot dip galvanizing. Where elbows are used, they shall be long radius type. Steel conduits shall be protected in shipping and handling by approved thread protectors.
2. Polyvinyl Chloride (PVC) Conduit: Thick wall polyvinyl chloride conduit, High Impact Schedule 80, herein referred to as PVC conduit, shall be furnished for installation under ballast outdoors, and wherever conduit is to be installed under the trackway or roadway, at locations where conduit has not been provided by others as herein specified. Where elbows are used, they shall be the long radius type.
B. Flexible Conduit:
1. Flexible conduit, as required in the specifications and on the approved Shop Drawings, shall be liquid-tight flexible conduit. The liquid-tight conduit shall be fabricated with a moisture and oil proof PVC jacket extruding over galvanized steel flexible conduit bendable to small radii.
C. Fittings:
1. Approved fittings for PVC conduit shall be used.
2. Fittings for rigid steel conduit shall be of cast malleable iron and shall be protected by hot-dip galvanizing.
3. Fittings used in conjunction with flexible liquid-tight conduit shall be design for use with such conduit. Fittings shall be galvanized, made of stainless steel, or otherwise constructed to resist rust or corrosion from exposure to salt air.
2.10 PADLOCKS
13222-5
MISCELLANEOUS PRODUCTS SECTION 13222
A. The City will provide signal padlocks. The Contractor shall provide temporary padlocks until such time the equipment is placed in-service.
2.11 SEALING COMPOUND
Sealing compound for use in sealing cable entrances shall be in accordance with AREMA Signal Manual Part 15.2.15.
2.12 CABLE ENTRANCE PIPES
A. Cable entrance pipes for wayside signal shelters shall be 4-inch PVC, Schedule 40, 3-ft, 6-inches long.
2.13 JUNCTION BOXES
A. All junction boxes shall be provided with gaskets to prevent the entrance of moisture and dust, in accordance with AREMA Signal Manual Part 15.2.10.
B. Junction boxes shall be provided to terminate underground cables at all switch and lock movements.
C. Junction boxes shall be provided with means for applying padlock.
2.14 PULL BOXES
Pull boxes shall be constructed of concrete and designed for H-20-44 bridge loading and equipped with a galvanized steel cover designed for vehicular traffic. The minimum nominal size shall be 3 ft. x 4 ft. Larger sizes shall be furnished where minimum bend radius is a factor. Refer to Contract Drawing for typical installation details.
13222-6
MISCELLANEOUS PRODUCTS SECTION 13222
PART 3 - EXECUTION
3.1 INSTALLATION
Material and apparatus specified herein shall be installed in accordance with the details of respective technical Sections of these Specifications, manufacturer's recommendations, and in accordance with the Contractor's accepted installation drawings.
PART 4 – MEASUREMENT AND PAYMENT
A. The lump sum bid for Railroad crossing materials shall cover the cost of furnishing all material, labor, and equipment needed to provide the systems in accordance with the Contract Drawings, Specifications, and directions of the Engineer.
B. No separate measurement and payment shall be made under this section.
END OF SECTION
13222-7
RAIL BONDING SECTION 13224
SECTION 13224
RAIL BONDING
PART 1: GENERAL
1.1 DESCRIPTION
A. Work Includes: Furnishing and installing all rail bonds, track circuit connections, and all other material required for bonding of track circuit joints and track circuit connections as required to provide the functionality shown on the Contract Drawings.
B. Rail track joints shall be bonded with exothermically welded rail head bonds.
C. Track track connections shall be stranded bonds. Connections to the rail shall be web welded.
1.2 RELATED WORK
A. GENERAL SIGNALING REQUIREMENTS Section 13200 B. RELAYS Section 13210 C. TESTING Section 13228 D. GRADE CROSSING WARNING SYSTEMS Section 13525
1.3 QUALITY ASSURANCE
A. Welded Bonds and track connections shall be in accordance with the requirements of AREMA Signal Manual, Parts 8.1.20, 8.1.25, and 8.1.30, where the requirements of the AREMA Specifications do not conflict with those of these Specifications.
1.4 SUBMITTALS
A. Product Data: Manufacturer's catalog cuts, material specifications, installation and maintenance instructions, and other data pertinent to the bonding material, staples, and circuit connections, specified herein and as shown on the Contract Drawings.
PART 2 - PRODUCTS
2.1 MATERIALS
A. Rail Head Bonds: Railhead bonds shall be 3/16 inch in diameter with steel terminals welded to the conductors. They shall have a nominal length of 6-1/2 inches.
13224-1 RAIL BONDING SECTION 13224
B. Web Bonds: Web Bonds shall be 3/16 inch, bare, performed conductors with 3/8-inch tapered plug on each end.
C. Track Circuit Rail Connectors: Track circuit connectors shall be 3/8-inch stranded bronze conductor, with 1-inch tap on one end and compression sleeve on the other end for a direct crimp type connection to the track wire, and shall have a nominal length of 4 inches.
D. Bond Strand: Bond strand for fouling wires shall be 3/16-inch single strand with 4/64-inch black PVC insulation.
E. Acceptable Manufacturers:
1. Erico Products or accepted equal.
PART 3 - EXECUTION
3.1 INSTALLATION OF WELDED BONDS
A. Welded bonds shall be installed at all non-insulated rail joints within the limits of this Contract that are not equipped with a bond.
B. The surfaces of the rails where the bond is to be applied shall be ground clean with a vitrified grinding wheel. After grinding, the surface shall be cleaned with an approved nontoxic solvent to remove all traces of grease and dirt. After the surface has been ground and cleaned, the bond wire shall then be welded to the rail in a manner that will ensure a thorough mechanical and electrical connection.
C. Before beginning work on these bonds, the Contractor, at no additional expense to the City, shall weld in the field, under conditions similar to those of the regular installation, not less than three complete bond connections, and as many more as the Engineer considers necessary to determine that the welds are being made satisfactorily. Such welds shall be subject to inspection and testing by the Engineer, and acceptance as to the method and quality of workmanship will depend on the results of these inspections and tests.
D. Ensure that each bond connection is thoroughly welded to the rail. The Engineer reserves the right to require a test of each weld by hammer and striker, or in any other manner that in the opinion of the Engineer is reasonable.
13224-2 RAIL BONDING SECTION 13224
E. Any welded bond installed by the Contractor that is found to be defective prior to acceptance, shall be removed and a new bond shall be installed at no additional cost to the City.
3.2 INSTALLATION OF TRACK CIRCUIT CONNECTIONS
A. The web end of the track circuit connector shall welded at a maximum distance of 3 inches from the end of the insulated joint.
B. The underground cable shall be stripped back a sufficient distance for the exposed conductor to be fully inserted into the compression sleeve. The sleeve shall then be compressed with the type of compression tool designed for that purpose.
C. Track wire installation shall conform to BNSF Standards.
D. All track circuit connections shall be installed by the Contractor, and any found to be defective prior to acceptance shall be removed, and a new track circuit connection installed at no additional cost to the City.
3.3 TESTING
A. Test all track circuits for continuity of circuit and ensure the train detection circuit is de- energized with 0.06 ohm shunt at any point within the track circuit.
PART 4 – MEASUREMENT AND PAYMENT
A. The lump sum bid for Railroad crossing materials shall cover the cost of furnishing all material, labor, and equipment needed to provide the systems in accordance with the Contract Drawings, Specifications, and directions of the Engineer.
B. No separate measurement and payment shall be made under this section.
END OF SECTION
13224-3 WIRE AND CABLE SECTION 13226
SECTION 13226
WIRE AND CABLE
PART 1 - GENERAL
1.1 WORK INCLUDED
A. Furnishing and installing all cable and wire required for signal, and signal power system wiring to warning devices, junction boxes, and factory wired mechanisms.
B. Material and workmanship shall be of the highest quality, assuring durability for minimum life expectancy of 40 years. Cables to be furnished and installed shall be suitable for use in the environment to be encountered on a railroad signal system, and shall be certified for continuous operation at 75° C, in wet or dry locations, with no conductor failing in continuity or with loss of insulation to cross or ground less than one meg-ohm.
C. Cables shall be furnished and installed as specified herein and as shown on the approved Design Drawings.
1.2 RELATED WORK
A. GENERAL SIGNALING REQUIREMENTS Section 13200 G. TESTING Section 13228 H. GROUNDING Section 13450 I. GRADE CROSSING WARNING SYSTEMS Section 13525
1.3 QUALITY ASSURANCE
A. Cable manufacturer's qualifications shall be as follows:
1. Past Performance and Experience: Demonstrated previous successful experience in supplying cable to the railway or transit industry for use as vital signal control cables. A list of such installations shall be provided for each cable manufacturer to be considered.
2. Quality Assurance Program: The manufacture of cables in accordance with the requirements of this Specification shall be accomplished in compliance with a Quality Assurance Program that meets the intent of the ASQC Standard C1; general reinstatement provided for in this subparagraph shall apply only to the first replacement or repair of any such item and, in the case of failure of major importance, to the first extension of the said warranty to said affected items.
13226-1 WIRE AND CABLE SECTION 13226
1.4 SUBMITTALS
A. Product Data: Manufacturer's catalog cuts, material descriptions, and specifications for each type of wire and cable the Contractor proposes to provide.
1.5 INSPECTION
A. The Engineer shall have the right to make inspections and tests, as necessary, to determine if the cable meets the requirements of this Specification. The Engineer shall have the right to reject cable that is defective in any respect.
B. The manufacturer shall provide, at the point of production, apparatus and labor for making any or all of the following tests:
1. Conductor size and physical characteristics.
2. Insulation HV and IR tests.
3. Physical dimension tests.
4. Special tests on materials in coverings.
5. Final HV, IR, and conductor resistance tests on shipping reels.
1.6 DELIVERY, STORAGE, AND HANDLING
A. Shipping, storage, and handling shall be in accordance with AREMA Signal Manual, Part 10.4.1 and 10.3.17.
B. During storage and handling, prior to final conductor termination, cable ends shall be sealed to prevent the entrance of moisture.
C. Any instance of damaged cable observed at any time, whether prior to installation, occurring during construction, or discovered by test observation subsequent to installation, shall be immediately called to the Engineer's attention. The method of correction shall be in accordance with the Engineer's written instruction. The Contractor shall promptly repair such damage.
13226-2 WIRE AND CABLE SECTION 13226
PART 2 - PRODUCTS
2.1 INTERNAL WIRE AND CABLE
A. Individual cable make-up and conductor sizes shall be as shown on the approved Design Drawings.
B. Internal wire shall be Okozel type Z manufactured by Okonite Co., or accepted equal.
C. Unless otherwise specified herein, internal wire and cable shall conform to AREMA Signal Manual, Part 10.3.14:
1. Conductors shall be soft and annealed copper per ASTM B3 and tin coated in accordance with ASTM B33-94.
2. Stranded conductors shall be in accordance with ASTM B8, Class B.
D. Signal instrument shelter and case internal wire and cable insulation shall conform to AREMA Signal Manual Part 10.3.24, unless otherwire specified herein, and the following requirements:
1. Insulation shall be modified ethylene tetrafluoroethylene (ETFE) conforming to ASTM D3159, unless otherwise approved by the Engineer.
2. The minimum insulation rating shall be 600 volts.
2.2 EXTERNAL WIRE AND CABLE
A. General
1. Individual cable make-up and conductor sizes shall be as shown on the approved Design Drawings.
2. Conductors shall be soft or annealed copper per ASTM B3 and tin coated in accordance with ASTM B33-94.
3. Stranded conductors shall be in accordance with ASTM B8, Class B.
B. Track Wire (if applicable)
1. Track wire shall be two single conductor No. 6 AWG solid jacketed wires twisted two turns per foot. Track wire shall be Okonite-Okolene manufactured by Okonite Co., or accepted equal.
13226-3 WIRE AND CABLE SECTION 13226
2. Were not otherwise specified herein, track wire shall be underground type that meets the requirements of AREMA Signal Manual, Part 10.3.16. Track wire jacket shall be polyethylene and the insulation shall be ethylene-propylene. Jacket and insulation average thickness shall not be less than the following minimums:
Jacket = 60 mil. Insulation = 90 mil.
C. Direct Burial Cable
1. Cable to signals, switches, and express cable between instrument shelters shall be Okonite Armored Underground Signal Cable manufactured by Okonite Co., or accepted equal.
2. Conductors number 6 and smaller shall be solid. Conductors number 4 and larger shall be stranded.
3. Cable shall be furnished with a 10-mil flat bronze tape between the conductors and the outer jacket, helically applied, and adequately cushioned from the conductors.
4. Unless otherwise specified herein, direct burial cable shall meet the requirements of AREMA Signal Manual, Part 10.3.17. Cable conductors shall be printed with a number for easy identification of the conductor. Conductor insulation shall be ethylene-propylene and cable jacket shall be made of polyethylene. Jacket and insulation average thickness shall not be less than the following minimums:
3 Conductor No. 6 AWG Jacket = 78 mil Insulation = 90 mil 7 Conductor No. 6 AWG Jacket = 90 mil Insulation = 90 mil 7 Conductor No. 14 AWG Jacket = 78 mil Insulation = 78 mil 12 Conductor No. 14 AWG Jacket = 78 mil Insulation = 78 mil 19 Conductor No. 14 AWG Jacket = 78 mil Insulation = 78 mil
PART 3 - EXECUTION
3.1 CABLE INSTALLATION
A. General
1. The installation of wire and cable shall conform to AREMA Signal Manual Parts 10.4.1, 10.4.30, and 10.4.40, except as specified herein.
2. All external cable runs shall be direct burial or in conduit.
13226-4 WIRE AND CABLE SECTION 13226
3. The Contractor shall separate signaling cables from parallel run of AC feeder cables, where adjacent locations are fed from one AC service location.
4. The Contractor shall provide 24 hour notice to the Engineer prior to installing any cables.
5. Provide sufficient slack in cable conductors at all terminating posts to enable three determinations of the conductor, due to broken eyelet’s without re-servicing or repotheading the cable.
6. In certain types of installation, the cable cannot be constrained; therefore, ample cable slack shall be provided for additional flexibility due to vibration of such equipment.
7. Cables shall not be bent to a radius less than manufacturer's recommendation.
8. Distribution cable runs shall be continuous without splices between cable terminating locations. Express cable runs longer than cable lengths shall be spliced together in junction box, instrument case, or other acceptable shelter.
9. Individual cable conductors shall be identified at each cable termination with plastic tags, as specified in Section 13222. All spare conductors in each cable shall be identified and terminated.
10. Cable entrance openings in equipment enclosures and junction boxes shall be sealed with either compression type fitting or pliable sealing compound after the cable is in place. Sealing compound shall be used to seal the area around cable where the cable emerges from the end of a conduit or pipe. All spare conduits shall be sealed or plugged.
11. Wherever multiple conductor cables are terminated, the outer sheath of the cable shall be carefully removed to a minimum point of 3 inches from the cable entrance. At the end of the cable sheath or covering, two layers of plastic electrical tape shall be applied.
12. All cable conductors shall be terminated in conductor sequence from top to bottom.
13. Cable shields or sheaths shall be grounded at the entrance to signal shelters and shall float when terminated in field apparatus.
B. Underground Buried Installation
1. Under track cable shall be placed in 4 inch Sch 80 PVC buried to a uniform minimum depth of 48 inches as measured from top of tie to top of conduit. When
13226-5 WIRE AND CABLE SECTION 13226
paralleling the tracks, cable must be buried a minimum depth of 36 inches as measured from the finished grade to top of cable. Cable shall be laid loosely in trench with a sand bed and backfill as specified in Section 02200 of these Specifications.
2. Upon request, and only under extreme circumstances because of installation hardship will installation of a cable be allowed to a depth of less than 36 inches, subject to the Engineer's approval. The cable shall be protected in a manner acceptable to the Engineer.
3. Whenever any signal cable is to pass under sidewalks, pavement or roadway the cable shall be installed in a 4 inch Sch. 80 PVC conduit. It shall be the Contractor's responsibility to coordinate conduit placement with other contractors.
4. Where cable leaves the ground, it must be protected by a cable chute, sleeve, or other covering extending above the ground line. Top of such protective coverings shall be filled with a sealing compound.
5. Where buried cables enter a foundation, junction box, shelter or cases, a single slack coil in each cable shall be left in a trench below the foundation or pedestal. The coil diameter shall not be less than the cable manufacturers recommended bend radius or 5 ft. which ever is greater.
6. The potheading of buried cables shall be applied whenever cable is terminated in signal equipment, and such termination is within two feet of the grade level. This neoprene and seal pothead shall be installed in accordance with the manufacturer's instructions.
7. Cables shall not cross one another when they are pulled into a conduit or pipe, and care shall be taken not to have the conductors pulled tight or kinked in conduit fittings or boxes. All cables shall be installed in a conduit or pipe shall be pulled and installed simultaneously. Contractor shall monitor pulling tension, using a device designed for such use, and shall not exceed manufacturer’s recommended maximum pulling tension.
8. Cables, track wire, and conduits shall be installed per approved Design Drawings and backfilled per Section 02200 unless otherwise specified herein. Material used in backfilling trenches with cables and track wires shall be free of rocks with a diameter greater than 2 inches.
C. Special Protection
Provide appropriate special protection for cables in areas where the cables are unavoidably exposed to hazardous conditions, such as vibration or sharp corners on equipment. The Contractor shall be responsible for replacing, at no additional cost to the
13226-6 WIRE AND CABLE SECTION 13226
City, any cable that is installed but subsequently damaged prior to acceptance as a result of the Contractor's failure to provide such special protection.
3.2 TESTING
All installed external cable shall be tested in accordance with the requirements of Section 13228 and AREMA Signal Manual, Part 10.4.30.
PART 4 – MEASUREMENT AND PAYMENT
A. The lump sum bid for Railroad crossing materials shall cover the cost of furnishing all material, labor, and equipment needed to provide the systems in accordance with the Contract Drawings, Specifications, and directions of the Engineer.
B. No separate measurement and payment shall be made under this section.
END OF SECTION
13226-7 TESTING SECTION 13228
SECTION 13228
TESTING
PART 1: GENERAL
1.1 DESCRIPTION
A. Work includes: Tests and Inspections to demonstrate that systems, subsystems, assemblies, subassemblies, and components supplied under this Contract are in compliance with these Specifications.
B. Tests and inspections shall be made both during the progress of this Contract and after completing installation of equipment and shall consist of factory tests, circuit breakdown tests, wiring verification tests, continuity tests, resistance tests, voltage and current tests, time tests, operating tests, simulation tests, and other electrical and mechanical tests and inspections.
C. Work shall include costs of the Contractor's personnel and any special equipment and assistance required to conduct all tests with complete documentation.
D. In the event that the system does not meet the Specification requirements, necessary corrections shall be made. Any and all tests or retests to prove compliance shall be included in the work, at no additional cost to the City.
E. Work shall include all necessary test-purpose disconnecting and reconnecting.
F. Test work specified elsewhere in these Specifications shall be construed as related to and inclusive with the testing described herein.
G. All in-service field tests shall be conducted with the Engineer’s assistance, and shall be subject to the Engineer’s acceptance.
H. Any test, inspection, or adjustment not specified herein, that is recommended by a manufacturer or required to comply with a regulatory agency’s requirement, shall not relieve the Contractor from satisfactorily performing, executing, and completing such a test, inspection, or adjustment. Any such test shall be recorded on an appropriate form.
1.2 STANDARDS AND REGULATIONS
A. Standards – AREMA Signal Manual, Part 2.4.1.
B. Regulations: Federal Railroad Administration, Rules, Standards and Instructions for Railroad Signal Systems, Parts 234 and 236.
13228-1
TESTING SECTION 13228
1.3 QUALITY ASSURANCE
A. Test and inspection procedures shall be subject to the Engineer's acceptance and shall comply with all FRA rules and regulations.
B. Test equipment of proper type, capacity, range, and accuracy shall be supplied by the Contractor to perform required tests and inspections. This equipment shall be in good working order and properly calibrated at the time tests or inspections are conducted.
C. The Engineer reserves the right to witness any or all tests and inspections in the Contractor's plants or other manufacturing facilities. The Engineer shall be advised in writing at least two weeks in advance of each factory test. When tests are to be conducted continuously as in a production-line routine, the Engineer shall be advised in writing two weeks in advance of the start of such tests; such notice shall indicate the duration period in which such tests will be conducted.
D. Accepted system and subsystem tests to demonstrate that the installation meets these Specifications and design requirements shall be completed prior to any operational testing of systems or subsystems.
E. The Engineer shall have the right to witness any or all field tests conducted. The Engineer shall be notified in writing at least 48 hours prior to each field test. No part of the signal system shall be placed in service without the Contractor’s Signal Engineer and the Engineer being present and witnessing the in-service tests.
F. The work shall include all tests required to ensure proper and safe operation of all systems and subsystems and to prove the adequacy and acceptability of the total installation specified herein. Tests to be performed shall cause each system and subsystem to be sequenced through its required operations, including imposition of simulated conditions to prove that the installation complies with all specified fail-safe requirements.
1.4 SUBMITTALS
A. The following shall be submitted to the Engineer for acceptance:
1. An outline of the tests to be performed on each type of component or unit, together with sample forms of test record forms and cards as hereinafter specified.
2. A line diagram showing the grouping and sequencing of system and subsystem tests showing both factory and field tests.
B. A cutover procedure for each phase shall be furnished to the Engineer a minimum of 30 days prior to the scheduled cutover for approval. No systems shall be modified and tested until the cutover procedure has been approved.
13228-2
TESTING SECTION 13228
C. The results of each test as herein specified, shall be recorded and this test result documentation shall be furnished to the Engineer within ten days of completion of the test. Certified test results shall also be furnished for tests performed by any subcontractors when such tests are required within these Specifications.
D. Test reports shall be checked and approved by the Contractor prior to submittal to the Engineer.
E. In-service test reports shall be made when system is placed in service. A copy of the In- Service Report will be left at the location and a copy delivered to the Engineer.
F. Test reports shall document the calibration date of each instrument used during the test. Calibration of each instrument shall be certified by a recognized testing facility. Certification shall be conducted every 180 days or less. Out-of-date instruments will be considered non-certified. Tests conducted with non-certified instruments will be rejected.
G. Any additional tests required by the Contractor to ensure the safe operation of the system shall be submitted to the Engineer.
H. Upon completion of all tests specified herein, submit a certified letter signed by an authorized representative of the accepted testing agency, certifying that all tests have been performed.
PART 2: PRODUCTS
2.1 SITE TEST EQUIPMENT AND MATERIALS: Test instruments and equipment necessary to conduct the tests specified herein shall be available, ready for use not less than one week in advance of test need. "Ready for use" shall mean properly matched for test parameters, properly calibrated, sufficiently supplied with leads, probes, adapters, stands etc., necessary to conduct the particular test in a completely professional manner.
2.2 TEMPORARY TEST MATERIALS: Temporary or interim test related materials, special tools, connections, jumpers, etc., shall be furnished and available not less than one week in advance of the test need.
PART 3: EXECUTION
3.1 FACTORY TEST PROCEDURES
13228-3
TESTING SECTION 13228
A. The Contractor shall confirm that all required factory tests of systems, subsystems, assemblies, subassemblies, and components supplied under this Contract have been performed. These tests shall verify design and name-plate ratings and adequate and proper performance.
B. Systems, subsystems, and equipment shall be 100 percent inspected and tested.
C. Components, other than those related to fail-safe circuits, may be tested on a sampling basis. An approved number of randomly selected components or units from the manufacturing process shall be tested to ensure the adequacy and acceptability of all components and units produced.
D. When test results are not recorded on a test-data plate affixed to the equipment or unit, certified test reports shall be furnished for each item at the time of delivery in a form and format suitable for regular office file record keeping.
E. Each component and unit shall be inspected at its point of manufacture and evidence of this inspection and acceptability shall be indicated on the item where practicable.
3.2 CUTOVER AND FIELD TEST PROCEDURES
Not all of the following tests may be applicable to this project. The Contractor shall incorporate the applicable tests in the work plan submitted to the Engineer for approval.
A. Cutover and Field Test Procedures:
1. The bridging of contacts on relays, indicators or any circuit controlling device or energizing relays or indicators direct from any source, which will in any way impair the protection of such circuit controlling device must be done in accordance with the following instructions:
a. The use of jumpers for the bridging of contacts is restricted to cases of absolute necessity, such as a disarrangement of the signal system circuitry caused by damage or replacement and when the renewal of the track structure cannot be taken care of otherwise and then only to avoid unnecessary delay to trains. THE USE OF JUMPERS ALWAYS REQUIRES THAT THE PROTECTION DEFEATED BE PROVIDED BY SOME OTHER MEANS. Generally, jumpers must not be used in connection with ordinary maintenance or programmed work. It should NOT be necessary to energize a track relay or its repeater with jumpers for any reason. The use of jumpers must be approved by the Engineer.
B. The field tests performed shall cause each installed system and subsystem to be sequenced through its required operations, including the imposition of simulated conditions, to
13228-4
TESTING SECTION 13228
demonstrate that the installation complies with all specified fail-safe design requirements and operational functions.
C. The quality of installation shall be demonstrated by field tests for continuity, insulation resistance, resistance of ground connections, circuit breakdown, visual inspection and any other tests required by this Specification. These tests shall be performed prior to any operational testing of systems or subsystems.
D. The Contractor shall provide a cutover plan for all phases of work, including temporary modifications required to support track work and/or relocation of signal equipment in existing instrument shelters. The Contractor’s cutover plan shall be detailed providing step-by-step instructions to the individual directing the cutover. The plan shall include check-off lists and aspect charts that, upon review of the Engineer, demonstrates that all required tests and inspections have been performed and that the system functions as intended.
E. When tests require specific meter or test instrument readings, the preprinted data sheet shall show the allowable range of values, for each part of the test. The test report shall also contain a check-off system for each action and a blank space adjacent to the expected value in which to record the test readings.
F. The test report shall also contain a final description sheet on which the Contractor shall record discrepancies found and action taken. This documentation shall be furnished to the Engineer.
G. All test reports shall be dated and signed by the responsible employee of the Contractor or subcontractor on the day the test is performed. Space also shall be provided for the signature of the witnessing inspector.
H. The report shall show the specific test instruments used on each test, with instruments identified by name, type, serial number, and calibration due date.
I. Should an error be discovered during field testing due to field wiring and connections that do not agree with the accepted circuit plans, the Contractor may correct such errors without prior acceptance of the Engineer. The Contractor shall not, however, make any changes that affect safety of operation of the accepted circuit(s), as designed, without prior written acceptance of the Engineer. Where errors in software are discovered during field testing, the Contractor shall make corrections and shall retest the location in it’s entirety unless otherwise instructed by the Engineer.
J. The Engineer will make all final determinations as to whether only a part, or the whole test, shall be rerun when any specific field test does not-meet the requirements specified for the test.
13228-5
TESTING SECTION 13228
K. Any changes made after completion of test procedure shall be retested in accordance with the applicable test procedure.
3.3 FIELD TESTS AND INSPECTION
A. General field tests shall be performed and include the following:
1. Ground verification test.
2. Breakdown test of all vital circuitry.
3. Wiring verification of all non-vital circuitry.
4. Vital function tests.
5. Operating tests.
6. All applicable tests prescribed by AREMA Signal Manual Part 2 . 4.1, where the AREMA inspections and tests do not conflict with the requirements of these Specifications.
B. Specific Field Tests:
1. Resistance of Ground Connections: All grounding connections shall be tested to determine that the ground resistance is not greater than 25 ohms using the volt- ammeter test by BNSF. All ground connections shall be tested.
2. Insulation Resistance Tests: The test procedure for testing of insulation resistance shall include tests to verify the following:
a. All wire and cable installed along the right-of-way and the wire and cable entering or leaving the signal instrument shelter shall be tested after installation to ensure that insulation of wires and cable and connected equipment meet the specified resistance value. A direct reading instrument, having a 0-megohm to 200-megohm-scale range and a self-contained dc power supply rated 500 volts minimum to 1000 volts maximum, shall be used to measure the insulation resistance. Resistance between new conductors and ground shall be infinite. Resistance between existing conductors and ground shall not be less than that specified in the CFR 49, Part 236.108. b. The insulation resistance of each conductor to ground and between each conductor and all other conductors in each multi-conductor cable shall be tested. Power sources, made grounds, and connections to the rails shall be disconnected from the circuits during testing. c. The point used as ground shall be the most convenient ground available.
13228-6
TESTING SECTION 13228
d. Insulation resistance test values shall be recorded on accepted Insulation Resistance Record Forms and turned over to the Engineer upon acceptance of this test requirement.
3. Vital Relays:
a. All dc vital relays shall be tested for pick-up and drop-away values. These values shall be in accordance with field requirement values stated in Table I of AREMA Signal manual, Part 6.4.1 b. These measured values shall be recorded on the accepted Relay Record forms and turned over to the Engineer upon acceptance of this test requirement. c. These tests shall be performed at the housing locations after the housing has been set.
4. Energy Distribution:
a. Energy-Off Tests: With all power to the Signal Instrument House or wayside case off, the following checks and tests shall be performed. These tests shall include: (1) Removing all fuses. (2) Verifying that circuit breaker size compares to that of approved circuit plans. (3) Comparing wire gages with those called for on the accepted circuit drawings. All discrepancies in wire sizes shall be replaced with the proper size wire. (4) During energy distribution breakdown, a wire count on each terminal, relay contact, etc. shall be taken to ensure that only the number of wires called for on the accepted circuit plans is present at each terminal, relay contact, etc. Any discrepancies found shall be corrected and additional wires, if found, shall be removed. (5) Verify proper system voltage for each power supply, ac and dc. (6) Verify all power supplies for correct setting and quantities. (7) Verify that no cross, shorts, or grounds exist. (8) Tags shall be verified for proper nomenclature and terminal location.
5. Grade Crossing Warning Systems: Grade crossing warning systems shall be tested in accordance with applicable requirements of CFR 49, Part 234 and 236, CPUC General Order 75-D, and manufacturer recommendations.
PART 4 – MEASUREMENT AND PAYMENT
A. The lump sum bid for Railroad crossing materials shall cover the cost of furnishing all material, labor, and equipment needed to provide the systems in accordance with the Contract Drawings, Specifications, and directions of the Engineer.
13228-7
TESTING SECTION 13228
B. No separate measurement and payment shall be made under this section.
END OF SECTION
13228-8
GROUNDING SECTION 13450
SECTION 13450
GROUNDING
PART 1 - GENERAL
1.1 WORK INCLUDED
A. Furnishing and installing a grounding system for the equipment shelter and all other wayside equipment apparatus, as specified herein and shown on the Contract Drawings.
1.2 RELATED WORK
A. GENERAL SIGNALING REQUIREMENTS Section 13200 B. SIGNAL SHELTERS Section 13212 C. RECTIFIERS, BATTERIES, AND BATTERY CHARGING EQUIPMENT Section 13220 D. MISCELLANEOUS PRODUCTS Section 13222 E. WIRE AND CABLE Section 13226 F. TESTING Section 13228
1.3 QUALITY ASSURANCE
A. Materials and equipment furnished and installed under this Section shall conform to all applicable State and local ordinances pertaining to electrical power installations and the latest edition of the National Electrical Code (NEC).
1.4 SUBMITTALS
A. Schematic Drawings showing the design and detail of the proposed grounding system for the signal equipment proposed to be furnished and installed.
B. Catalog cuts or drawings showing the type of components to be used for the proposed grounding system(s).
C. Installation and Test Procedure proposed for all equipment grounding.
13450-1 GROUNDING SECTION 13450
PART 2 - PRODUCTS
2.1 MATERIALS
A. Ground rods - Manufactured by Copperweld Corp., or approved equal.
B. Ground rod clamps - Manufactured by Copperweld Corp., or approved equal.
C. Ground wire
D. Cadweld connections - Manufactured by Erico Corp., or approved equal.
2.2 GENERAL
A. Ground rods shall be copper-clad stainless steel. The rod shall be at least 10 feet in length and at least ¾ inch diameter.
B. Ground rod clamps shall be made of a cast bronze clamp body, with non-ferrous set screws.
C. Internal ground wire, from the equipment to the ground bus, shall be insulated No. 6 AWG standard copper wire, as specified within Section 13226. Insulted ground wire shall be colored green.
D. A grounding bus of nickel plated hard drawn pure copper shall be provided in the equipment shelters.
E. Bare Ground Wire: Soft drawn copper, Clasp A or Class B stranded, shall meet the requirements of ASTM B8. Sizing of ground wire shall be in accordance with the NEC, except where sizes specified herein or shown on the Contract Drawings are larger than those required by NEC; UL listed, Label A for lightning protection conductors. Grounding cable shall be continuous without joints or splices throughout its length.
F. Bolted Grounding Connectors: Use connectors made of high strength electrical bronze, with silicon bronze clamping bolts and hardware; designed such that bolts, nuts, lock washers, and similar hardware which might nick or otherwise damage the ground wire, shall not make direct contact with the ground wire.
13450-2 GROUNDING SECTION 13450
PART 3 - EXECUTION
3.1 INSTALLATION
A. General
1. Service equipment, motor frames, switchgear and equipment enclosures, lighting and power panelboards, transformers, raceways, fences and gates, building or structure steel frames, lighting standards, floodlight poles, power/light pullboxes/maintenance holes, shall be grounded as described herein and in accordance with the applicable requirements of the National Electrical Code (NEC) and local codes.
2. The grounding system shall preclude any closed loop grounding arrangements.
3. Ground connection(s) to the track rails or use of the neutral conductors of the AC Power Supply shall not be permitted.
4. Grounding under these specifications will conform to AREMA Signal Manual, Section 11. In cases where these instructions differ, the Engineer will make final decision.
5. Ground wire/cable runs shall be as short and straight as possible and shall not be interrupted by any device.
B. Exterior: Equipment Shelter Grounding
1. At equipment shelters, two ground rods shall be driven into the ground, at the rear corners of the structure. The ground rods shall be a minimum of 6 feet apart and shall be driven below ground level. A trench, 12 inches deep, shall be dug between the ground rods. Each of the ground rods shall be electrically connected to the others, using a #2 AWG bare stranded copper cable, welded using “Cadweld”. Cadweld connections shall be coated with epoxy resin. The ground wires shall be placed in the bottom of the trench. The trench shall be backfilled, returning the soils removed during construction of the trench.
2. The shelter’s copper ground cables shall be Cadwelded to the ground rods.
3. Ground resistance, as measured by the “Fall-Of Potential” method, shall not exceed 15 ohms.
4. Were flexible conduit is used, a bonding jumper shall be provided.
13450-3 GROUNDING SECTION 13450
C. Interior: Equipment Grounding
1. All shelters shall be equipped with a prime ground terminal securely attached electrically to the shelter structure and to the made ground network.
2. Ground connections from lightning arresters and equipment chassis shall run separately to ground buses in the shelters, as shown on Contract Drawings. Ground buses shall be connected to the prime ground with green insulated No. 6 AWG stranded wire.
3. All equipment that is powered by or switches voltages greater than 35 volts AC or DC shall be properly grounded.
4. All equipment that has conductors that leave the shelter shall be properly grounded.
3.2 TESTING AND INSPECTION
A. Ground Resistance Testing: Verify that resistance between ground buses and absolute earth, as measured by the “Fall-Of-Potential” method, does not exceed 15 ohms without benefit of chemical treatment or other artificial means.
B. Test Reports: Provide test reports to the Engineer upon completion of ground tests that completely describe ground resistance test procedures and test results. Test reports shall be signed by a technician and witnessed by a representative of the Engineer.
PART 4 – MEASUREMENT AND PAYMENT
A. The lump sum bid for Railroad crossing materials shall cover the cost of furnishing all material, labor, and equipment needed to provide the systems in accordance with the Contract Drawings, Specifications, and directions of the Engineer.
B. No separate measurement and payment shall be made under this section.
END OF SECTION
13450-4 GRADE CROSSING WARNING SYSTEMS SECTION 13525
SECTION 13525
GRADE CROSSING WARNING SYSTEMS
PART 1 - GENERAL
1.1 DESCRIPTION
A. Work includes furnishing transportation, labor, material, and equipment required for the detail design, fabrication, planning installation, removal, relocation, modification, testing, placing in service, and documenting as-built conditions of grade crossing warning devices and systems to provide for the continuous operation of the highway grade crossing warning system as shown on the Contract Drawings and approved Design Drawings.
B. As shown on the Contract Drawings, or as required to accommodate associated contract work, the Contractor shall make modifications to the existing highway grade crossing warning system including, but not limited to: modification of existing control house and case; providing and installing new cantilever structures; providing and installing new flashing light signal and gate assemblies; and providing, installing, and terminating local signaling cables.
C. Install new automatic crossing warning devices and local signaling cables. Contractor shall submit for approval of the Engineer, a work plan to detour, or protect, pedestrians around or away from open excavations and construction in platform areas. Work plan must provide for adequate pedestrian and vehicular access.
D. Contractor shall be responsible for providing continuous highway grade crossing warning protection during all phases of construction. At no time shall the work of the Contractor cause delay to train operation, cause an unsafe signaling condition to exist, or reduce the effectiveness or quality of the existing or new grade crossing warning systems. The Contractor shall submit, for approval by the Engineer, its proposed work plan for providing alternate methods of crossing warning whenever the existing automatic crossing warning devices are deactivated, altered, or modified in order to accommodate construction work. Alternate methods shall conform to applicable parts of CFR 49 and all local ordinances.
E. Protect existing signaling cabling and, where necessary, relocate existing cabling in order to prevent damage to the cabling during track installation, profiling, or grade crossing work.
F. Record the final as-built conditions of the crossing warning system for each crossing.
13525-1 GRADE CROSSING WARNING SYSTEMS SECTION 13525
G. Perform and document all tests and inspections in accordance with CFR 49 regulations and these Specifications.
1.2 RELATED WORK
A. GENERAL SIGNALING REQUIREMENTS Section 13200 B. MISCELLANEOUS PRODUCTS Section 13222 C. WIRE AND CABLE Section 13226 D. TESTING Section 13228 E. EARTHWORK Section 02200
1.3 QUALITY ASSURANCE
A. Grade crossing warning systems shall be furnished, installed, and tested in accordance with applicable requirements of CFR 49, Part 234, CPUC General Orders 26-D and 75-D, Section 13228, and SDNR CSES.
B. Each system will be inspected upon completion of installation and any deficiencies noted shall be corrected by the Contractor. This inspection will be conducted in conformance with the requirements of the Contractor's accepted Installation Inspection Procedure.
1.4 SUBMITTALS
A. Five copies of shop drawings and catalog cuts for each warning device configuration furnished at the crossing. Shop drawings shall provide details indicating mounting and size dimensions and indicate placement of all LED lamp units, signs, bells, etc.
B. Five copies of catalog cuts or shop drawings for galvanized steel and cantilever structure foundations and hardware.
1.5 DELIVERY, STORAGE, AND HANDLING
A. Any equipment damaged during transit or prior to in service operation shall be replaced at no additional cost to the City.
PART 2 - PRODUCTS
2.01 SECOND-HAND EQUIPMENT
A. All grade crossing equipment, not specifically identified for re-use, shall be new.
2.2 EQUIPMENT - GENERAL
13525-2 GRADE CROSSING WARNING SYSTEMS SECTION 13525
A. Contractor provided materials and equipment for installation and for interconnection of the highway crossing warning shall be fabricated, furnished, and installed as indicated on the Contract Drawings and specified herein. Materials and equipment shall be the products of manufacturers regularly engaged in the production of such material and equipment and shall be the manufacturer's latest design. Signaling materials and equipment shall be of a type and model that are in standard operation on major railway systems.
B. Materials and equipment provided by the Contractor shall be new. Only those existing materials and equipment specifically identified on the Contract Drawings for re-use, relocation, or modification shall be incorporated in the highway grade crossing warning systems. Materials and equipment shall conform to the provisions of AREMA Signal Manual, except as modified in this Section.
2.3 ELECTRICAL AND ELECTRONIC COMPONENTS
Components, printed circuit cards, connectors, and card files furnished for equipment in this section shall conform to the requirements specified in Section 13200, 2.04.
2.4 FLASHING LIGHT AND GATE ASSEMBLIES
A. Each grade crossing warning device assembly shall be furnished complete with all associated hardware consisting of mast, junction box base, flashing light unit(s), bell, signs, and miscellaneous hardware as shown on the approved shop drawings and as specified herein.
B. The crossing warning device assembly shall conform to the requirements of CPUC General Order No. 75-D, CFR 49, Part 234, and the relevant sub-parts of the AREMA Signal Manual Part 3.2.
C. The gate mechanism housing shall be cast aluminum for mounting a 5 inch diameter 16 feet aluminum pole and shall be furnished complete with mounting brackets, counter-weight assembly, and counter-weights. Either single sided counter-weight brackets or double-sided counter-weight brackets shall be provided as recommended by the Manufacturer. The gate arm bracket shall be fitted with a breakaway arm adapter as shown in the AREMA Signal Manual, Part 3.2.21.
D. The gate mechanism shall be of the power-up, power-down electro-mechanical type complete with internal relay and adjustable snubbing resistor. Safetran Model S-40, or approved equal, shall be furnished.
Section 13525- 3 - City of Hesperia Industrial Lead Grade Separation Project GRADE CROSSING WARNING SYSTEMS SECTION 13525
E. Gate arms shall be of the lengths shown on the Contract Drawings. Arms shall be of the aluminum with fiberglass extensions and fiberglass tip type. Gate arm lamps shall be LED conforming to the AREMA Signal Manual, Part 3.2.40. The lamp wiring harness shall be fitted with a five wire pull-apart connector for interconnection to the gate mechanism and will be securely fastened to the gate arm.
F. Gate arm wind guards conforming to AREMA Signal Manual Part 3.2.22 shall be provided with each gate assembly.
G. Flashing light crossing signal units shall be provided as shown on the approved shop drawings. Light units shall have 12 inch roundels with LED lamp units and be complete with steel backgrounds, steel hoods, junction box, and cross-arm brackets and mounted on a 5-inch aluminum mast with junction box base. Flashing light crossing signal units shall be Safetran Systems FLX 2000 12-inch LED assemblies, or approve equal.
H. A Safetran Systems electronic crossing warning bell, or approved equal, shall be provided on assemblies as shown on the Contract Drawings
I. “Railroad Crossing” signs and multiple track signs shall be extruded aluminum, high intensity reflective material type manufactured by Safetran Systems, or approved equal, and as recommended in the AREMA Signal Manual Parts, 3.2.70 and 3.2.75, respectively. Signs shall be provided complete with all hardware for mounting on 5- inch mast.
2.5 FLASHING LIGHT GATE ASSEMBLY FOUNDATIONS
A. Flashing light gate assembly foundations shall be galvanized steel conforming to the AREMA Signal Manual, Part 14.4.17.
B. Bolts, nuts, and washers shall be galvanized. Nuts and threads shall be in accordance with AREMA Specifications for Bolts, Nuts, and Threads, Signal Manual, Part 14.6.20. Plain washers shall be in accordance with AREMA Specifications for Plain and Spring Lock Washers, Signal Manual, Part 14.6.21. Steel shall be in accordance with AREMA Specifications for Various Types of Steel, Signal Manual, Part 15.1.4, Section 1. Bolts shall be of sufficient length to provide for leveling of the device.
2.6 HARDWARE
A. Mounting hardware exposed to the elements and used for signal equipment, cases, conduit, hangers, brackets, clamps, and the like, shall be hot dip galvanized, or stainless steel, except as otherwise specified herein or approved by the Engineer. The hardware shall be coated as follows:
Section 13525- 4 - City of Hesperia Industrial Lead Grade Separation Project GRADE CROSSING WARNING SYSTEMS SECTION 13525
1. The hot dip process of galvanizing shall be used for coating of steel parts that are specified to be galvanized. Parts shall be pickled so that scale and adhering impurities will be removed. The zinc coating shall be of commercially pure zinc, and shall be continuous and thorough. It shall not scale or blister, or be removable by any of the processes of handling or installation. The finished surface shall be free from fine line cracks, holes, or other indications of faulty galvanizing. It shall be smooth and free from adhering flux and other impurities. The edges and ends of parts shall be free from lumps and globules. Parts shall be coated with at least 2 ounces of zinc per square foot for galvanized surface after all bending, cutting, drilling, and final fabrication.
2. Nuts, bolts, and washers used to mount equipment with in finished enclosures shall be zinc chromate plated or stainless steel. As an alternate, the Contractor may submit another type of plating or non-corroding metal for the Engineer's approval.
3. Lock washers shall be cadmium plated. Cadmium plating shall be an impervious, dense, hard, fine-grained, continuous, closely adhering coating of commercially pure cadmium, free from capillaries, and shall completely cover the surface of the part in a smooth, bright layer. Plating on raised or prominent portions shall show no evidence of blackness or loose crystalline structure. It shall have a minimum thickness of six ten-thousandths of an inch and shall withstand the standard salt spray test for at least 1,000 hours or an equivalent test approved by the Engineer.
PART 3 - EXECUTION
3.1 GENERAL
A. Install and adjust equipment and materials in accordance with the appropriate requirements and recommendations of the equipment manufacturer, in conformance with the recommendations of the applicable parts of the AREMA Signal Manual, as required by CFR 49, Parts 234 and 236, applicable CPUC regulations, or as otherwise specified herein.
3.2 HIGHWAY GRADE CROSSING EQUIPMENT
A. Grade crossing warning equipment shall be installed in conformance with CFR 49 Part 234, CPUC G.O. 75-D, and per Contract Drawings.
B. The final voltage adjustment and alignment of the flashing light units shall be made at the time of the functional test. Final adjustments and alignments shall be made in
Section 13525- 5 - City of Hesperia Industrial Lead Grade Separation Project GRADE CROSSING WARNING SYSTEMS SECTION 13525
conformance with the requirements of the AREMA Signal Manual, Parts 3.3.1 and 3.3.5 and CFR 49 Part 234.
C. Provide new cabling between the wayside gate/flasher and the crossing control shelters.
3.3 FOUNDATIONS
A. Install each foundation in accordance with the approved installation detail for each type of foundation and as specified herein. The absence of a specific task listing herein does not relieve the Contractor of the responsibility for providing a complete and functional installation. The installation tasks that must be completed by the Contractor are included herein.
B. Foundation locations shall be potholed before start of foundation work and the Contractor shall advise the Engineer immediately if any utility interferes with the completion of the foundation work.
C. Prior to placing foundation, the excavation and installation of crushed stone bases shall be completed to the lines and grades required and in accordance with the requirements specified.
D. Foundations shall be installed to the lines, grades, and dimensions required as determined by the Contractor and approved by the Engineer. Mounting bolts shall be of sufficient length to accommodate use of leveling nuts between the base of the mechanism and the top of the foundation.
E. When placing foundations, the Contractor shall ensure that anchor bolts have not been bent and that the threads are undamaged. Anchor bolt thread, washers, and nuts shall be protected by applying friction tape, or other method approved by the Engineer, until such time as the wayside equipment is installed. The existence of damaged anchor bolts shall be brought to the immediate attention of the Engineer. Damaged anchor bolts shall not be used. The Engineer will direct corrective actions, which may require the complete or partial removal and replacement of the damaged anchor bolts and/or the entire foundation. Replacement of damaged bolts or foundations shall be the full responsibility of the Contractor and shall be undertaken at no additional cost to the City.
F. Exposed poured concrete foundations shall be rubbed to obtain a uniformly smooth, clean surface of even texture and appearance.
G. Equipment bases shall be suspended on leveling bolts to prevent direct contact between the concrete and metal surfaces.
Section 13525- 6 - City of Hesperia Industrial Lead Grade Separation Project GRADE CROSSING WARNING SYSTEMS SECTION 13525
3.4 CONDUIT
A. Install conduit where shown on the approved design drawings and as specified herein.
B. After conductors have been installed, the ends of conduits terminating in junction boxes shall be sealed with an approved type of sealing compound.
C. Conduit shall be bored or jacked under the existing trackbed at any traverse and shall be a minimum of 48 inches to top of conduit to top tie.
D. Conduit shall be placed to a minimum depth of 36 inches below finished grade except where specifically noted otherwise.
3.5 PAINTING
A. Painting shall conform to the provisions of AREMA Signal Manual, Part 2.4.30.
3.6 TESTING
A. Contractor shall perform all tests required under Section 13228 of these Specifications.
PART 4 – MEASUREMENT AND PAYMENT
A. The lump sum bid for Railroad crossing materials shall cover the cost of furnishing all material, labor, and equipment needed to provide the systems in accordance with the Contract Drawings, Specifications, and directions of the Engineer.
B. No separate measurement and payment shall be made under this section.
END OF SECTION
Section 13525- 7 - City of Hesperia Industrial Lead Grade Separation Project A.C. SERVICE METERS SECTION 16430
SECTION 16430
A.C. SERVICE METERS
PART 1: GENERAL
1.1 DESCRIPTION
A. Work Includes: 1. Furnishing and installing 120/240, 100A, three-wire, single-phase meter service. 2. Provide commercial metered power service and interface in conformance with the standards and recommendations of the local service provider.
1.2 RELATED WORK
A. SHELTERS Section 13212 B. MISCELLANEOUS PRODUCTS Section 13222 C. WIRE AND CABLE Section 13226 D. TESTING Section 13228 E. GROUNDING Section 13450
1.3 QUALITY ASSURANCE
A. Electrical service shall conform to the provisions in NFPA 70 "National Electrical Code", these Specifications and the local service provider.
B. Materials and equipment furnished and installed under this Section shall conform to all applicable State and local ordinances pertaining to electrical power installations and the latest edition of the National Electrical Code (NEC).
1.2 SUBMITTALS:
A. Meter Service Drawings indicating mounting pole, meter base, breaker box, and grounding.
B. Letter certifying that the installation of the meter service has been approved by the local electrical inspector.
16430-1 A.C. SERVICE METERS SECTION 16430
PART 2: PRODUCTS
2.1 MATERIALS
A. Circuit Breakers: 1. Circuit breakers shall be sized by the Contractor for the projected loads. Circuit breakers for 120 VAC power shall be 2 pole rated for 240VAC. Panels shall contain 25 percent spare circuit breaker space. 2. One double pole circuit breaker shall be provided for future use, in addition to the 25 percent space circuit breaker space specified herein.
B. Meter Bases: Shall meet the requirements of SCE.
C. Ground Rods and Ground Rod Clamps: Ground rods and ground rod clamps shall meet the requirements of Section 13450 of these Specifications and those of the local service provider.
D. Conduit: Conduit shall meet the requirements of Section 13222 of these Specifications and the local service provider.
E. Wood Poles: Shall meet the requirements of the local service provider.
F. Meter Pedestals and Bases: Shall meet the requirements of the local service provider.
G. Power cables from meters to house/case shall be as shown on Contract Drawings.
PART 3: EXECUTION
3.1 GENERAL
A. Make the necessary arrangements with the local service provider and pay all fees in connection with having the new meter service hooked up at least one month prior to placing signal system in service.
B. The Engineer shall provide billing information to the Contractor within 30 days of NTP.
3.2 COORDINATION:
Coordinate the connection and interface of new cables and equipment with the local service provider in accordance with their standards.
16430-2 A.C. SERVICE METERS SECTION 16430
3.3 GROUNDING:
Meter service grounding shall be in accordance with Section 13450 of these Specifications, the latest edition of the NEC Article 250, and the local service provider’s requirements. If there is a conflict between the above specifications, the local service provider’s requirements shall govern.
3.4 TESTING AND INSPECTION
A. Simulated load tests in accordance with approved test procedure shall be satisfactorily completed prior to final connection.
B. Prior to final acceptance by the City, the Contractor shall have the new ac power service inspected by the local service provider as required.
PART 4 – MEASUREMENT AND PAYMENT
A. The lump sum bid for Railroad crossing materials shall cover the cost of furnishing all material, labor, and equipment needed to provide the systems in accordance with the Contract Drawings, Specifications, and directions of the Engineer.
B. No separate measurement and payment shall be made under this section.
END OF SECTION
16430-3
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50.2'
VARIES 1' 13' * 11' 49.7' 10'-25' 2.5'
WALKWAY 4'
(MIN) EX BNSF NORTH R/W
APPROX EX GROUND EXIST. TIMBER TIE EX BNSF SOUTH R/W L C RR EX. TRACK L 2' C ACCESS ROAD 2' (MIN) 2:1 (MIN) 1.2% L C V- DITCH
2:1 2:1 SILT FENCE TOP OF SUBGRADE 6" SUBBALLAST SILT FENCE
APPROX EX GROUND TYPICAL CROSS-SECTION STA 8+75 TO STA 10+00 A
SCALE: NTS NOTE 1 C3-1
35.2' - 50.2' 50'-70' ** (VAR) (VAR) 10'-25' 1' 13' * 11' 0'-15' 50' (VAR) 2.5' (VAR)
WALKWAY 4' PROP. GRADE (TYP.) (MIN) TOP OF 136LB RAIL (TYP.) EX BNSF NORTH R/W
APPROX EX GROUND EXIST. TIMBER TIE EX BNSF SOUTH R/W 1' 1 L L C INDUSTRY TRACK C RR EX. TRACK
L TIMBER TIE / 2' C ACCESS ROAD CONCRETE TIE, VARIES 2' (MIN) 2:1 (MIN) 1.2% L C V- DITCH
2:1 2:1 12" MIN BALLAST UNDER TIE SILT FENCE TOP OF SUBGRADE 6" SUBBALLAST SILT FENCE
APPROX EX GROUND
TYPICAL CROSS-SECTION STA 10+00 TO STA 15+00 B
SCALE: NTS NOTE 1 C3-1 NOTE 8 NOTES:
rgartman 1) ALL STATIONS ARE BASED ON THE PROPOSED RR LEAD TRACK.
BY: 2) FOR TOP OF RAIL LOCATION AND ELEVATION SEE TRACK PLAN AND PROFILE SHEETS.
3) FOR SUBGRADE ELEVATION SEE TRACK CROSS SECTIONS XS SHEETS.
4) TURNOUT TIE-INS AND DERAILS ARE TIMBER TIES AS PER STANDARD DRAWINGS.
5) FOR EROSION CONTROL SEE EC SHEETS.
9:50:51 AM 6) TYPICAL SECTION C NOT USED.
7) TYPICAL SECTIONS DISPLAY THE "TYPICAL" HORIZONTAL RELATIONS,
TIME: FOR SPECIFIC SECTIONS SEE XS SHEETS.
8) 15+00 to 16+50,SEE C4-2, X6 & X7 FOR INFORMATION SPECIFIC TO THE * C RR LEAD TRACK TO EDGE OF PUC WALKWAY L "AT GRADE CROSSING". 1 ADDENDUM 1 - REVISE TIE CALLOUT 12/20/10 TBJ VARIES PER PLAN ADJACENT TO SWITCH.
JSR PLANS PREPARED BY: BENCHMARK: CITY OF HESPERIA DESIGNED BY: CITY OF HESPERIA CITY OF HESPERIA CO. 7108 . FIT 12/22/2010 M BENCHMARK No.: BM H-33 ZW ID A HESPERIA T ENGINEERING DEPARTMENT V E 1988 A R "G" AVE RAIL LEAD TRACK & CHANNEL PROJECT DRAWN BY: SLT D LOCATION / DESCRIPTION: SHEET M:\RR\08-400-101-00\cadd\SHEETS\C1-1.sht RECOMMENDED FOR APPROVAL BY: APPROVED BY: TYPICAL CROSS-SECTIONS 81 TOP OF BRASS DISK @ SOUTHWEST TBJ CORNER OF LEMON & I AVE PER CHECKED BY: No. 72784 OF CITY OF HESPERIA TYPICAL CROSS-SECTIONS Exp. 6-30-12 PATH: PRINTED: SUBMITTED BY: 104 625 E. CARNEGIE DRIVE STE. 100 DATE JOHN R. LEVEILLEE DATE ELEVATION = 3040.607' SAN BERNARDINO, CALIFORNIA 92408 1 OF 4 PHONE: (909) 806-8000 R.C.E. 61904 EXP. DATE 9/30/09 REV. DESCRIPTION DATE BY FAX: (909) 806-8099 C1-1T-1 David M. Fitzwater RCE No. 72784 DATE AUTHORIZED SIGNATURE CITY ENGINEER This page intentionally left blank.
1
1 1
PLAN rgartman BY:
Grade = 0.00% 11:39:46 AM
TIME: PROFILE 40 20 0 40 80 10 5 0 10 20
1 ADDENDUM 1 - ADD REMOVAL CALLOUT 12/20/10 TBJ HORIZONTAL 1"= 40' VERTICAL 1"= 10'
JSR PLANS PREPARED BY: BENCHMARK: CITY OF HESPERIA DESIGNED BY: CITY OF HESPERIA CITY OF HESPERIA CO. 7108 12/22/2010 BENCHMARK No.: BM H-33 ENGINEERING DEPARTMENT 1988 DRAWN BY: SLT "G" AVE RAIL LEAD TRACK & CHANNEL PROJECT LOCATION / DESCRIPTION: SHEET M:\RR\08-400-101-00\CADD\SHEETS\C4-1.sht RECOMMENDED FOR APPROVAL BY: APPROVED BY: CIVIL 171 TOP OF BRASS DISK @ SOUTHWEST TBJ CORNER OF LEMON & I AVE PER CHECKED BY: No. 72784 OF CITY OF HESPERIA Exp. 6-30-12 PATH: PRINTED: SUBMITTED BY: 104 625 E. CARNEGIE DRIVE STE. 100 DATE JOHN R. LEVEILLEE DATE MOJAVE AT GRADE CROSSING ELEVATION = 3040.607' SAN BERNARDINO, CALIFORNIA 92408 PHONE: (909) 806-8000 R.C.E. 61904 EXP. DATE 9/30/09 REV. DESCRIPTION DATE BY FAX: (909) 806-8099 C4-1T-1 David M. Fitzwater RCE No. 72784 DATE AUTHORIZED SIGNATURE CITY ENGINEER This page intentionally left blank.
1
4' (MIN) 4.5" AC 4" AC 6" AGGREGATE BASE
4" AGGREGATE BASE 6" AGGREGATE BASE GEOTEXTILE
ASPHALT TRANSITION DETAIL 11 SCALE: NTS C4-2 C4-3
5' (MIN)
NEW PAVEMENT rgartman BY:
COLD PLANE EXISTING AC PAVEMENT AND CONSTRUCT .10' MIN OVERLAY 9:47:41 AM TIME: COLD PLANE DETAIL 12 SCALE: NTS C4-1 1 ADDENDUM 1 - REVISED DETAIL 11 PAVEMENT SECTION 12/17/10 TBJ
JSR PLANS PREPARED BY: BENCHMARK: CITY OF HESPERIA DESIGNED BY: CITY OF HESPERIA CITY OF HESPERIA CO. 7108 . FIT 12/22/2010 M BENCHMARK No.: BM H-33 ZW ID A HESPERIA T ENGINEERING DEPARTMENT V E 1988 A R "G" AVE RAIL LEAD TRACK & CHANNEL PROJECT DRAWN BY: SLT D LOCATION / DESCRIPTION: SHEET M:\RR\08-400-101-00\cadd\SHEETS\C7-02.sht RECOMMENDED FOR APPROVAL BY: APPROVED BY: CIVIL 231 TOP OF BRASS DISK @ SOUTHWEST TBJ CORNER OF LEMON & I AVE PER CHECKED BY: No. 72784 OF CITY OF HESPERIA Exp. 6-30-12 DETAILS PATH: PRINTED: SUBMITTED BY: 104 625 E. CARNEGIE DRIVE STE. 100 DATE JOHN R. LEVEILLEE DATE SHEET 2 OF 2 ELEVATION = 3040.607' SAN BERNARDINO, CALIFORNIA 92408 PHONE: (909) 806-8000 R.C.E. 61904 EXP. DATE 9/30/09 REV. DESCRIPTION DATE BY FAX: (909) 806-8099 C7-2T-1 David M. Fitzwater RCE No. 72784 DATE AUTHORIZED SIGNATURE CITY ENGINEER