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SHEET METAL Section 07600 15-1207 S. Flashings: 1. Install flashings required to provide watertight protection. 2. Assemble and install flashings at roofing and waterproofing conditions to conform to approved manufacturer's recommendations and the requirements of the Built-up Roofing and Single Ply Roofing Sections. 3. Carry flashings around and past corners 4 -inches minimum. Soldered joints or otherwise joints joined directly at an inside or outside corner is not permitted. Three- way angles such as inside corners made up of two parapets and a roof deck converging shall have the corners soldered watertight. 4. Flashings installed to be fully restrained shall be nailed at 3" centers (max.); otherwise use clips or cleats. 5. Unless roofing manufacturer has more stringent requirements, make up continuous straight runs of flashings in 24 ft. maximum lengths. Provide expansion lapped expansion joints at 10 ft. maximum from any external or internal corners, and in straight runs at not less than 24 ft. apart. Running joints between expansion joints shall be locked and soldered or lapped and riveted/soldered. At all joints, laps shall be a minimum of 8". 6. All Flashings shall conform to the appropriate plates and recommendations of the referenced SMACNA Manual. 7. Install flashings at Traffic -Bearing Deck Surfacing after underlayment for drainage is installed, as applicable, and in accordance with manufacturer's requirements. All joints and seams to be overlapped 3 inches minimum, and caulked with specified sealant. Coordinate installation with Traffic -Bearing Deck Surfacing installer. T. Prefinished Metal Parapet Cap and Prefinished Edge Metal: 1. Form to Details in up to 10'-0" lengths. 2. Follow Coping and Edge Metal system manufacturer's installation requirements to meet wind uplift requirements. Install brackets as required to properly anchor coping. 3. Provide expansion joints every 16'-0" maximum. U. Fabricate gutters, expansion joints, downspouts, leader boxes, scuppers and methods of anchorage/support as shown on the Drawings and in conformance with the referenced SMACNA Manual. Gutters: a. Hung type gutters shall be constructed of 22 gauge gsm and to sizes and profiles as shown on the Drawings. b. Internal type gutters shall be constructed of 22 gauge gsm in sizes and profiles as shown on drawings. C. Ends of each section shall be joined by 1" lapped riveted (2" o.c.) and soldered. Close ends of each gutter using same material as gutter; solder joints. d. Unless otherwise indicated provide expansion joints midway between drain outlets and not over 40'-0" apart. Construct lap type or butt type expansion joints as indicated and in conformance with the referenced SMACNA Manual. e. Unless otherwise indicated gutter brackets, strap or spacers shall be sized as recommended and in conformance with the referenced SMACNA Manual and shall be spaced at a maximum of 3'-0" on center. f. At completion of gutter installation verify that gutter seams, expansion joints and end caps do not leak utilizing a garden hose or other means to water test gutters. D