Santa Clara Caltrain Station Pedestrian Underpass Extension CONTRACT C827 Issued for Addendum # 1 – April 22, 2016
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Santa Clara Caltrain Station Pedestrian Underpass Extension CONTRACT C827 Issued for Addendum # 1 – April 22, 2016 SECTION 01 11 00 SUMMARY OF WORK PART 1 GENERAL 1.01 SUMMARY A. Contract Documents B. Contract Description C. Measurement and Payment D. Scope of Work E. Contract Limits F. Site Access G. Hours of Work H. Not Used I. Not Used J. Interfaces with Other Agencies and Contractors K. Permits L. Temporary Storage of Materials and Laydown Area 1.02 CONTRACT DOCUMENTS A. The Work shall be performed and completed in accordance with the following documents: 1. The General Conditions for Construction Contracts and the Supplementary Conditions; the Contract Specifications which invoke, modify, and augment the Standard Specifications; and the various forms and exhibits; all contained in the Contract Book. 2. The AREMA Manual for Railway Engineering, 2015. 3. The Caltrans Standard Specifications, current edition. 4. The Contract Drawings and, if applicable, Reference Drawings, contained in the Contract Book or bound separately. 1.03 CONTRACT DESCRIPTION A. Construct a precast concrete pedestrian underpass tunnel, around 80 feet long, under existing rail lines. Construct a cast-in-place concrete ramp/stair structure, around 275 feet long and up to 36 feet wide from the tunnel to grade at Brokaw Road. Construct associated drainage, electrical, lighting, station communications, civil and architectural elements. Installation of tunnel segments will be completed during a four-day weekend track closure. 1.04 MEASUREMENT AND PAYMENT A. Separate measurement and payment will not be made for Work required under this Section. All costs in connection there with will be considered incidental to the item of work to which they pertain. 1.05 SCOPE OF WORK A. Prior to track closures: File Date: 04/22/2016 TECHNICAL SPECIFICATIONS 01 11 00 Summary of Work - 1 Santa Clara Caltrain Station Pedestrian Underpass Extension CONTRACT C827 Issued for Addendum # 1 – April 22, 2016 1. Supply 14 precast concrete tunnel segments. 2. Dewater tunnel area. B. During four-day weekend track closure: 1. Remove and reinstall portion of track by others. 2. Remove existing ballast and subballast. Supply and install new subballast under the supervision of the Railroad. Supply and installation of new ballast is by others. 3. Excavate, haul and dispose of all spoils from excavation. Provide temporary excavation support and dewatering as required. Make provisions for and dispose of any contaminated spoils. 4. Furnish and place aggregate base. 5. Install tunnel segments. 6. Furnish and install waterproofing. 7. Furnish and place backfill. 8. Disconnect, reconnect and test of rail signals for track closure will be by others. 9. Construct conduit bank adjacent to tunnel. 10. Install conduits to existing pull-boxes in the platform using jack and bore method. C. After track closures: 1. Remove existing bulkhead wall and install concrete closure pour at connection of tunnel to existing below-grade ramp structure. 2. Excavate, haul and dispose of all spoils from excavation for ramp structure. Provide temporary excavation support and dewatering as required. Make provisions for and dispose of any contaminated spoils. 3. Furnish and place aggregate base. 4. Construct cast-in-place U-wall ramp structure. 5. Furnish and install waterproofing. 6. Furnish and place backfill. 7. Construct curved cast-in-place concrete pony walls inside ramp structure. 8. Construct cast-in-place concrete topping slab at ramp and tunnel. 9. Construct cast-in-place concrete walls with formlined surface inside tunnel. 10. Install electrical service. Transformer to be supplied and installed by others. Provide equipment and operators to assist operations by others. 11. Furnish and install security cameras and integrate into existing security system. 12. Furnish and install lighting and power receptacles inside tunnel and in ramp structure. 13. Furnish and install public address speakers and ambient noise microphone and integrate into existing PA system. 14. Furnish and install handrails and guardrails at ramps. File Date: 04/22/2016 TECHNICAL SPECIFICATIONS 01 11 00 Summary of Work - 2 Santa Clara Caltrain Station Pedestrian Underpass Extension CONTRACT C827 Issued for Addendum # 1 – April 22, 2016 15. Construct trench drains in underpass, area drains and sump pump within ramp structure. Connect drainage system with existing storm drain. 16. Furnish and install chain-link fencing and fabricated picket fencing. 17. Construct gate and driveway for UPRR maintenance access. 18. Furnish and install signage. 19. Construct new sidewalk. 20. Protect in place existing fiber optic duct bank and vault and other existing utilities. 1.06 CONTRACT LIMITS A. Contract limits are described in the Contract Drawings. 1.07 SITE ACCESS A. The Contractor’s access to the Job site shall be coordinated with the VTA or the VTA’s representative. The VTA’s presence shall not relieve the Contractor of responsibility for performing the Work. B. Access to VTA facilities will only be permitted provided the Contractor has received approval of the work schedule. In addition, the Contractor shall give the VTA at least two (2) weeks advance notice in writing prior to starting work at the Jobsite. C. Work shall be scheduled and performed only in accordance with a VTA approved Site Specific Work Plan (SSWP) as indicated in Contract Specifications 01 35 14, Work Planning specified herein. 1. VTA reserves the right to change the Work sequence described in the SSWP. The change of the Work sequence shall not impact the construction schedule and the VTA shall not be liable for any additional cost. 2. Operating and physical data of all construction equipment shall be included in the SSWP for VTA review and approval. D. Any power connections and power up tests shall be performed during non-revenue hours and with the permission from the VTA. E. For track access, see Section 01 04 0 , PCJPB Work Hours and Track Access. 1.08 HOURS OF WORK A. As specified in Section 01 04 0 , PCJPB Work Hours and Track Access. 1.09 NOT USED 1.10 NOT USED 1.11 INTERFACES WITH OTHER AGENCIES AND CONTRACTORS A. VTA has endeavored to identify agencies having jurisdiction over the Work and owning facilities in the vicinity of the Work. There may be, and very likely are, additional agencies having jurisdiction other than those on this list, and Contractor shall be bound by requirements of other agencies having jurisdiction over the Work. B. The identified agencies and owners include: 1. Peninsula Corridor Joint Powers Board (JPB) 2. Ericsson Services for Sprint-Nextel Corp File Date: 04/22/2016 TECHNICAL SPECIFICATIONS 01 11 00 Summary of Work - 3 Santa Clara Caltrain Station Pedestrian Underpass Extension CONTRACT C827 Issued for Addendum # 1 – April 22, 2016 3. Silicon Valley Power 4. Cool Box Portable Storage 5. Union Pacific Railroad (UPRR) 6. Union Sanitary District (USD) 7. City of Santa Clara 8. Pacific Gas and Electric 9. AT&T 10. MCI/Verizon 11. Comcast 1.12 PERMITS A. General 1. Attention is directed to GC-5, Permits, Licenses, Fees and Notices. 2. Prepare permit applications and obtain permits not provided by the VTA but required by regulating agencies to perform the Work. Work shall not commence in areas requiring permits prior to issuing of permits from the authorities having jurisdiction. In obtaining permits the Contractor shall: a. Verify the permit requirements conform to the Contract Documents. b. Coordinate with regulating agencies to obtain the required permits. c. Coordinate with the VTA when obtaining permits. d. Comply with permit requirements. e. Assume responsibility for violations of permit requirements. B. Permits Obtained By VTA 1. The VTA has obtained the following permits; it will not be the Contractor’s responsibility to obtain them. The VTA will obtain extensions to permit expiration dates as needed. Comply with the requirements of the permits. a. Encroachment Permit from the City of Santa Clara.. C. Approvals Obtained by VTA 1. The VTA has obtained the following approvals: a. Approval from Ericsson Services for Sprint-Nextel Corp to permit work adjacent to fiber optic lines. Fiber optic lines shall be protected during all construction activities in the vicinity of the lines. D. Permits to be Obtained by Contractor 1. The VTA has identified the following permits as required for performance of the Work, but the permits have not been obtained by the VTA. This list is not intended as a comprehensive list and is provided as a convenience to the Contractor. Obtain these and other permits or approvals as necessary to comply with regulatory agency requirements. a. Submit a Notice of Intent to the Regional Water Quality Control Board and obtain coverage File Date: 04/22/2016 TECHNICAL SPECIFICATIONS 01 11 00 Summary of Work - 4 Santa Clara Caltrain Station Pedestrian Underpass Extension CONTRACT C827 Issued for Addendum # 1 – April 22, 2016 under a National Pollutant Discharge Elimination System (NPDES) Permit for storm water discharges associated with construction activities required by this contract. Refer to Section 01 57 00, Temporary Controls, for Storm Water Pollution Prevention Plan requirements. b. Permit to dispose of treated water resulting from dewatering at Santa Clara Station into the City of Santa Clara sewer system. 1.13 TEMPORARY STORAGE OF MATERIALS AND LAY DOWN AREA (WHEN APPLICABLE) A. The Contractor shall be responsible for temporary storage of materials/equipment at the Work Sites and shall assume all risk or losses of materials/equipment