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 B. Leave anchorage joint exposed; wipe off surplus anchoring material; and leave 1/8-inch buildup, sloped away from post. 3.5 ANCHORING RAILING ENDS A. Anchor railing ends to concrete and masonry with round flanges connected to railing ends and anchored to wall construction with anchors and bolts. 3.6 ATTACHING HANDRAILS TO WALLS A. Attach handrails to wall with wall brackets. Provide brackets with 1-1/2-inch clearance from inside face of handrail and finished wall surface. 1. Use type of bracket with predrilled hole for exposed bolt anchorage. B. Locate brackets as indicated or, if not indicated, at spacing required to support structural loads. C. Secure wall brackets to building construction as follows: 1. For concrete and solid masonry anchorage, use drilled-in expansion shields and hanger or lag bolts. 2. For hollow masonry anchorage, use toggle bolts. 3. For steel-framed gypsum board partitions, fasten brackets directly to steel framing or concealed steel reinforcements using self-tapping screws of size and type required to support structural loads. 3.7 ADJUSTING AND CLEANING A. Touchup Painting: Immediately after erection, clean field welds, bolted connections, and abraded areas of shop paint, and paint exposed areas with same material as used for shop painting to comply with SSPC-PA 1 for touching up shop-painted surfaces or as specified in Division 09 painting Sections. 3.8 PROTECTION A. Protect finishes of railings from damage during construction period with temporary protective coverings approved by railing manufacturer. Remove protective coverings at time of Substantial Completion. B. Restore finishes damaged during installation and construction period so no evidence remains of correction work. Return items that cannot be refinished in the field to the shop; make required alterations and refinish entire unit, or provide new units. PIPE AND TUBE RAILINGS 05 52 13 - 8
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 PART 4 - CONTRACTOR’S QUALITY CONTROL REQUIREMENTS 4.1 GENERAL A. Comply with applicable provisions of Division 01 Section “Quality Requirements” for requirements for Contractor Quality Control Program. END OF SECTION 05 52 13 PIPE AND TUBE RAILINGS 05 52 13 - 9
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Attachment 1: Specifications - Metropolitan Washington Airports ...

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