Attachment 1: Specifications - Metropolitan Washington Airports ...

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DCA TERMINAL A IMPROVEMENTS (NEAR TERM) 10 AUGUST 2012 TASK ORDER 03: LOBBY IMPROVEMENTS – PKG 4 - CURBSIDE CHECK-IN RONALD REAGAN WASHINGTON NATIONAL AIRPORT PROJECT DT1203 O. Horizontally separate boxes mounted on opposite sides of walls so they are not in the same vertical channel. P. Locate boxes so that cover or plate will not span different building finishes. Q. Support boxes of three gangs or more from more than one side by spanning two framing members or mounting on brackets specifically designed for the purpose. R. Fasten junction and pull boxes to or support from building structure. Do not support boxes by conduits. 3.3 SLEEVE AND SLEEVE-SEAL INSTALLATION FOR ELECTRICAL PENETRATIONS A. Install sleeves and sleeve seals at penetrations of exterior floor and wall assemblies. Comply with requirements in Section 26 05 00 "Common Work Results for Electrical." 3.4 FIRESTOPPING A. Install firestopping at penetrations of fire-rated floor and wall assemblies. 3.5 PROTECTION A. Protect coatings, finishes, and cabinets from damage and deterioration. 1. Repair damage to galvanized finishes with zinc-rich paint recommended by manufacturer. 2. Repair damage to PVC coatings or paint finishes with matching touchup coating recommended by manufacturer. PART 4 - CONTRACTOR’S QUALITY CONTROL REQUIREMENTS 4.1 QUALITY CONTROL A. Comply with applicable provisions of Division 01 Section “Quality Requirements” for requirements for Contractor Quality Control Program. END OF SECTION 26 05 33 RACEWAYS AND BOXES FOR ELECTRICAL SYSTEMS 26 05 33 - 6
DCA TERMINAL A IMPROVEMENTS (NEAR TERM) 10 AUGUST 2012 TASK ORDER 03: LOBBY IMPROVEMENTS – PKG 4 - CURBSIDE CHECK-IN RONALD REAGAN WASHINGTON NATIONAL AIRPORT PROJECT DT1203 SECTION 26 05 43 - UNDERGROUND DUCTS AND RACEWAYS FOR ELECTRICAL SYSTEMS PART 1 - GENERAL 1.1 SUMMARY A. This Section includes the following: 1. Conduit, ducts, and duct accessories for concrete-encased duct banks. 2. Handholes and boxes. 3. Manholes. 1.2 ACTION SUBMITTALS A. Product Data: For accessories for manholes, handholes, and boxes. B. Shop Drawings for Precast or Factory-Fabricated Underground Utility Structures: Include plans, elevations, sections, details, attachments to other work, and accessories, including the following: 1. Duct entry provisions, including locations and duct sizes. 2. Reinforcement details. 3. Frame and cover design and manhole frame support rings. 4. Ladder details. 5. Grounding details. 6. Dimensioned locations of cable rack inserts, pulling-in and lifting irons, and sumps. 7. Joint details. C. Shop Drawings for Factory-Fabricated Handholes and Boxes: Include dimensioned plans, sections, and elevations, and fabrication and installation details, including the following: 1. Duct entry provisions, including locations and duct sizes. 2. Cover design. 3. Grounding details. 4. Dimensioned locations of cable rack inserts, and pulling-in and lifting irons. 1.3 INFORMATIONAL SUBMITTALS A. Field quality-control test reports. 1.4 QUALITY ASSURANCE A. Comply with ANSI C2. UNDERGROUND DUCTS AND RACEWAYS FOR ELECTRICAL SYSTEMS 26 05 43 - 1
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