The work consists of providing all labor, materials and equipment as required to replace defective dry sprinkler system valves at U.S. Coast Guard Station Washington Buildings 91 and 92 located on Joi... The work consists of providing all labor, materials and equipment as required to replace defective dry sprinkler system valves at U.S. Coast Guard Station Washington Buildings 91 and 92 located on Joint Base Anacostia-Bolling, 3870 Giovannoli St SW, Washington DC, 20032. All bidders are strongly encouraged to visit the site to field verify any/all quantities before submitting bids. Interested parties shall plan for a site visit MKC James Tooker @ 202-591-5944.