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SOUTH OF MARKET AT RESTON TOWN CENTER

Location:
1818 Library Street
1875 Explorer Street
11950 Democracy Drive
Reston, VA

Date:
February 2007

Client:
HITT Contracting, LLC

Project Type:
New construction

Building Features:
Overhangs
Recessed (below pavers)

Structural Attachment Considerations:
Cast in place for concrete

Products Supplied and Tested (Summit installed davit bases only):
SM-5-8-10 Roof anchors
SM-85-4 Recessed balcony anchors
SM-CAP-ANC Anchor cover plates
SM-DVT-CGE Davit cage
SM-DVT-BSE-F5 Formed plate davit bases
SM-DVT-BSE-R5 Recessed davit bases
SM-DVT-PA-R Recessed davit portable adapter
SM-DVT-SKT Davit sockets
SM-DVT-ARM Davit arms
SM-CAP-DVT Davit cover plates

Objective:
Design a suspended maintenance system to accommodate both one-man rope descents and suspended powered platforms. Typically, window cleaners will use rope descent systems, rigging directly to roof anchors for tie-back of both a suspension rope and fall arrest rope. Suspended powered platforms eliminate the need for the maintenance contractor to bring his or her own rigging equipment to the roof, which can minimize roof damage and may lower the maintenance worker’s costs. Davits were installed around the perimeter of each building to support the use of a suspended powered platform to perform maintenance work on the building exterior (see Davits). A pair of portable davit arms was supplied to each of the three buildings. Summit Anchor Co. typically provides an as-built rigging equipment layout drawing to be posted on the inside of the roof door to provide maintenance contractors and inspectors information regarding the suspended maintenance system.



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