270536 Cable Trays for Communications Systems.pdf
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- Attached to
- EHRM Infrastructure Upgrades Construction Sioux Falls VAMC Federal contract opportunity
- Solicitation number
- 36C77622R0049
About this file
This document contains specifications for a federal construction contract opportunity along with related technical specifications. The contract opportunity is for the construction and commissioning of infrastructure upgrades at the Sioux Falls VA Medical Center to support an Electronic Health Record Modernization project. The construction work will be spread across multiple departments and areas of the hospital, including building a new server room on the roof. Technical specifications cover requirements for cable trays, fiber optic cable raceway, and ladder rack systems to support communications cabling. Submissions are due from Service-Disabled Veteran-Owned Small Businesses only. The period of performance is approximately 450 calendar days with a contract value estimated between $20-50 million.
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Text version
Sioux Falls VAHCS, Sioux Falls, SD VA Project 438-20-910
EHRM Infrastructure Upgrades 04-04-2022
2501 West 22nd St. Bid Documents
Sioux Falls, SD 57105
27 05 36 - 1
SECTION 27 05 36
CABLE TRAYS FOR COMMUNICATIONS SYSTEMS
PART 1 - GENERAL
1.1 DESCRIPTION:
A. This section specifies requirements for telecommunications cabling cable tray and raceway equipment.
1.2 SUMMARY
A. Section Includes:
1. Cable Tray.
2. Fiber Optic Cable Raceway.
3. Ladder Rack.
1.3 REFERENCES
A. VA Infrastructure Standard for Telecommunications Spaces.
1.4 RELATED WORK:
A. Grounding and bonding: Section 27 05 26, GROUNDING AND BONDING FOR
COMMUNICATIONS SYSTEMS.
1.5 SUBMITTALS:
A. Submit in accordance with Section 27 05 00, COMMON WORK RESULTS FOR
COMMUNICATIONS SYSTEMS.
PART 2 - PRODUCTS
2.1 CABLE TRAY.
A. Design. Wire basket with tray insert. Constructed of round, smooth wire with continuous top side to minimize cable sheath damage.
B. Finish. Coated to prevent rust.
C. Size. Cable tray shall be sized to hold the maximum expected cable load at not more than 40% fill and not more than 6” maximum cable depth.
D. Accessories. Provide and install the following components and accessories as necessary to achieve the design:
1. Overhead mounting equipment (thread-rod, unistrut, nuts, washers, etc.) suitable for the supporting structural elements.
2. Tray section splicing hardware.
3. Tray insert.
4. Cable waterfalls.
Sioux Falls VAHCS, Sioux Falls, SD VA Project 438-20-910
EHRM Infrastructure Upgrades 04-04-2022
2501 West 22nd St. Bid Documents
Sioux Falls, SD 57105
27 05 36 - 2
5. Ground strap kits.
6. Bend radius limiters.
2.2 LADDER RACK.
A. Design. Ladder rack system shall be a modular system of ladder, turns, splices, supports, and accessories able to be assembled with couplers.
B. Finish. Coated to prevent rust.
C. Materials. Ladder rack shall be manufactured from tubular steel.
Stringers will be 3/8” by 1-1/2” tubular steel. Cross members will be
1” x 1/2". Steel elements shall have a minimum 0.065” wall thickness.
D. Size. Ladder rack shall be nominally sized 12” width.
E. Accessories. Provide and install the following components and accessories as necessary to achieve the design:
1. Overhead mounting equipment (thread-rod, unistrut, nuts, washers, etc.) suitable for the supporting structural elements.
2. Ladder rack section couplers (splices).
3. Ladder rack radius bends.
4. Ground strap kits.
PART 3 - EXECUTION
3.1 IMPLEMENTION:
A. Cable tray shall be used in horizontal applications. Ladder rack is used in vertical applications.
B. Cable tray and ladder rack sections shall be bonded together with bonding conductors and the system bonded to the bonding busbar in the space.
C. Support horizontal cable tray not less than every 5’ (shorter spans if recommended by the equipment manufacturer).
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