CRAIG, GAULDEN AND DAVIS, INC. 19 WASHINGTON PARK GREENVILLE, SOUTH CAROLINA 29601 Telephone (864) 242-0761 Email [email protected] December 07, 2017 ADDENDUM NO. 4: TO: All Prospective Bidders RE: Columbia County, Georgia Columbia County Performing Arts Center Evans Town Center, GA 30809 CGD Project No. 15023 To whom it may concern: Please note the following changes or clarifications that shall become part of the contract documents for the above referenced project. GENERAL: A4-G1 Bid Form : Replace: With enclosed BID FORM (REVISED) A4-G2 The following are answers to questions from bidders that are not specifically addressed in the drawings and specifications: 1) QUESTION: Carpet 1 – Custom piece has a huge pattern repeat of 6’ x 63”. How do you want to the seams to run in the lobby areas? This will greatly affect the carpet yardage and I would like to get it right up front. ANSWER: CPT-1 seams need to run in a direction that will be most cost effective and create the least amount of waste. They do need to run either north to south or east to west. 2) QUESTION: For storm structures on sheet C704, we would like to propose round precast structures per ASTM C-478, concrete 4,000 psi in lieu of the concrete boxes shown on the details. Please confirm if that would be acceptable. ANSWER: Round precast structures may be used. They must be submitted with full details for review and approval during construction. 3) QUESTION: Truss on S605. The web members are shown as L4x4x3/8x3/4. Which one 4x4x3/8 or 4x4x3/4? Please advise. ANSWER: Web members are Double L4x4x3/8 spaced 3/4” Apart. A4-G3 December 5 Bid Questions Response by CGD : Add: See enclosed document “December 5 CCPAC Bid Questions Response by CGD” SPECIFICATIONS: A4-S1 078100 – Applied Fireproofing, 3.6 Schedule: Add: B. MD-SFRM is intended for use on 4 girder trusses in the auditorium. Add: C. SFRM is required for 1-hr fire protection rating of the entire primary structural frame, columns and beams as defined by the building code. Add: D. SFRM is not required on structural roof beams and deck that are entirely located 20 feet above a floor immediately below per the building code. Roof beams that are part of the primary structural frame shall be protected with SFRM. A4-S2 11 6144 – Performance Drapery Tracks Replace: With the enclosed section 11 6144. Page 1 ADDENDUM NO. 4 COLUMBIA COUNTY, GEORGIA COLUMBIA COUNTY PEFORMING ARTS CENTER DECEMBER 07, 2017 PAGE 2 A4-S3 Division 22 Plumbing Specifications: Replace: Entire sections with the enclosed sections: 22 4100 Plumbing Fixtures (Sinks and Lavatories) 22 4200 Plumbing Fixtures (Showers) 22 4300 Plumbing Fixtures (Water Closets and Urinals) 22 4400 Plumbing Fixtures (Water Coolers) A4-S4 22 3300 – Electric Domestic Water Heaters Add the following: 1.3. D. The following instantaneous electric water heater manufacturers are acceptable 1. EEMAX 2. Stiebel Eltron 2.4. INSTANTANEOUS WATER HEATER: A. General: 1. Units shall be point of use type requiring cold water supply. 2. Provide an integral thermostatic controller capable of maintaining outlet temperature with .5+ deg. F. of setpoint. 3. Unit shall be UL listed and not require floor drain or relief valve. 4. Unit shall require a plug connection. A4-S5 Division 23 Mechanical Specifications Add the following enclosed sections: 23 0993 Sequence of Operations for HVAC Controls and Points List 23 0993.1 Sequence of Operation (Central Air Handling Equipment) A4-S6 Division 26 Electrical Specifications: Replace: Entire sections with the enclosed sections: 26 0923 Automatic Lighting Control 26 3213 Engine Generators A4-S7 27 41 00 AUDIO VIDEO SYSTEMS Modify as follows: Replace 1.6.A, and 1.6.B with the following: 1.6 QUALIFICATIONS AND SUBMITTALS A. Contractor Qualifications 1. Contractor must have completed, within the last five years, three performing arts centers of similar scope with AV budgets exceeding $1,500,000. 2. The Lead Installer, on site, every day for the Contractor must have and maintain a current AVIXA CTS-I certificate. 3. The Project Engineer for the Contractor that is responsible for system engineering, system drawings, and project commissioning must have and maintain a current AVIXA CTS-D certificate. 4. Contractor must have a dedicated shop facility for pre-building, wiring, and testing equipment racks prior to delivery to the jobsite for installation. 5. Contractor must have in-house CAD capabilities to deliver all project drawings in CAD. 6. Contractor will incorporate the AV systems into the BIM model (current version of Revit) if same desires to really impress the Architect and Systems Designer. B. Submittals: 1. Contractors shall examine all drawings and read all divisions of this specification in order to avoid omissions and duplications and to ensure a complete job. No allowances shall be made for failure to read and understand these documents. Discrepancies between drawings and specifications or obvious omissions shall be referred to the Systems Designer for clarification before submitting shop Page 2 ADDENDUM NO. 4 COLUMBIA COUNTY, GEORGIA COLUMBIA COUNTY PEFORMING ARTS CENTER DECEMBER 07, 2017 PAGE 3 drawings. Where discrepancies occur and pre-bid instructions have not been obtained, the contractor agrees to abide by the Systems Designer's decision. 2. Include all work and all equipment as specified, as well as any other equipment and materials to be used in assembling the system. 3. No portion of the work herein may be assigned or sub-contracted to others without prior approval of the Architect, General Contractor, and the Systems Designer. All terms of this contract, including bidding and qualification requirements, shall apply to all sub-contractors. 4. General Submittals shall include the following: a. A list of Systems of comparable size and scope to that described herein, completed by the Contractor in the last five (5) years. Indicate the project name and address, year of completion, and the name and phone number of a person to contact who is a representative of the Owner or User. b. A personal resume of formal education and experience, and a copy of the current CTS-I certificate of the staff member who would act as Leader for the Project. A personal resume of formal education and experience, and a copy of the current CTS-D certificate of the staff member who would act as Project Engineer. c. A description of the Contractor's capabilities and facilities for rack assembly, shop fabrication, repair, and servicing of Systems d. A description of the Contractor's capabilities and facilities for generating CAD (or other high quality graphics) documentation for the Shop Drawings and As-Built Drawings e. An itemized list of all equipment and materials to be used in assembling the system f. Unit pricing for all items on the specified equipment list g. Lot pricing for miscellaneous items not on the specified equipment list h. A breakdown of the number of staff hours allotted for: 1) Preparation of submittals, shop drawings, and system documentation 2) On site coordination meetings and supervision 3) In shop engineering, fabrication, and assembly 4) On site fabrication, assembly, and installation 5) On site verification and acceptance testing A4-S8 27 41 00 AUDIO VIDEO SYSTEMS, APPENDIX B MAJOR EQUIPMENT LIST Modify as follows: Remove from base bid all AV Equipment designated for Multipurpose room. The Multipurpose room will not be fit out in base bid. A4-S9 Division 28 Electronic Safety and Security: Replace: Entire sections with the enclosed section: 28 3111 Fire Alarm System A4-S10 31 3116 – Termite Control: Replace: With the enclosed section 31 3116. A4-S11 334600 Subdrainage, 3.5 Connections, Line A: Delete: “…in Section 334100 “Storm Utility Drainage Piping”. Add: “…elsewhere in the construction documents.” A4-S12 334600 Subdrainage, 3.5 Connections, Line C: Delete: Entire line. Add: Connect perforated foundation drain piping to solid wall conduits sloped 1% to collect via gravity drainage at foundation drain structure STMH F1 indicated on Drawing C301. Install perforated piping for foundation drains as Page 3 ADDENDUM NO. 4 COLUMBIA COUNTY, GEORGIA COLUMBIA COUNTY PEFORMING ARTS CENTER DECEMBER 07, 2017 PAGE 4 indicated in the drawings around elevator and stage lift pit footings and other locations indicated.” DRAWINGS: A4-D1 Civil Drawings Replace the following sheets as follows: C100 COVER C200 EXISTING CONDITIONS & DEMOLITION PLAN C300 LAYOUT & STAKING PLAN C301 GRADING & STORM PLAN C302 UTILITY PLAN C303 SIGNING & STRIPING PLAN C500 PROFILES A4-D2 Landscape Drawings Replace the following sheets as follows: I-1.02 IRRIGATION DETAILS A4-D3 Sheet LS103 Life Safety – Assemblies, UL Designs No. Y615, Y616: Clarification: Designs for intumescent fire protective coatings are not used in the design. They are provided as an alternative to other SFRM designs if field conditions of clearance or exposure arise and warrant their use. A4-D4 Architectural Drawings Replace the following sheets as follows: A104 CATWALK FLOOR PLAN A112 ENLARGED PLANS – LOBBY & RESTROOM A113 ENLARGED PLANS – AUDITORIUM A114 ENLARGED PLANS – STAGE & DRESSING ROOMS A121 PLAN DETAILS - AUDITORIUM A203 WALL TYPES A403 BUILDING SECTIONS A506 WALL SECTIONS – MAIN LOBBY A511 WALL SECTIONS – BALCONIES & PARTERRE A513 WALL SECTIONS – ORCHESTRA PIT A514 WALL SECTIONS – REFLECTOS & CATWALK A515 LOBBY DETAILS A803 SECOND BALCONY, CATWALK, & PIT RCP A905 VERTICAL CIRCULATION A907 STAIR DETAILS A4-D5 Sheet A104 Catwalk Floor Plan508 Wall Sections, Detail 6 Second Balcony Roof Detail 1: Add: Ladders at left and right sides of the Follow-Spot catwalk at elevation 44’-0” to catwalk at elevation 52’-0” A4-D6 Sheet A508 Wall Sections, Detail 6 Second Balcony Roof Detail 1: Change 3rd note from the top, pointing at the wide-flange section on line B.2 to read: STEEL GIRDER TRUSS WITH MEDIUM DENSITY SFRM Change Bottom note on the right to read: STEEL GIRDER TRUSS BEYOND WITH MD-SFRM A4-D7 Sheet A700 Finish Schedule, Room 401 Follow Spot : Add: CPT-3 carpet Add: RES-1 base Add: GWB/P-4 walls A4-D8 Sheet A803 Second Balcony, Catwalk, & Pit RCP: Clarification: Refer to sections 6&7/A508.