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H. Parapet Wall <br /> 1. Fabricate coping in 10' lengths. Width of coping shall be fabricated to be a <br /> maximum of 1/2" wider than the width of the wall; Contractor is responsible to <br /> field verify parapet wall width prior to sheet metal fabrication. Refer to SMACNA <br /> Architectural Sheet Metal Manual Figure 3-4A. <br /> 2. Install tapered edge strip mechanically attached or set in foam adhesive to top of <br /> wood blocking. <br /> 3. Install flashing membrane up and over parapet extending a minimum of 1" below <br /> wood blocking. <br /> g <br /> 4. Install continuous cleat fastened to substrate 6" on center in vertical leg. Locate <br /> fasteners no greater than 2"from the bottom hem. <br /> 5. Lock outside face of coping onto continuous cleat and secure inside face as <br /> follows: <br /> a. For coping widths up to and including 12 inches, secure with screws <br /> through waterproof washers and oversized holes at 18 inches on center. <br /> b. For coping widths greater than 12 inches, secure inside face with <br /> continuous cleats. Secure cleat through vertical face of cleat to blocking <br /> with fasteners at 6 inches on center. Locate fasteners no greater than 2 <br /> inches from the bottom hem. <br /> 6. Provide drive seam at adjoining coping sections. Turn cover ends back a minimum <br /> of 1" onto itself. Allow Vi" space between coping sections for expansion and <br /> contraction and install sealant. Refer to SMACNA Architectural Sheet Metal <br /> Manual Figure 3-2,type 4. <br /> 7. Provide one-piece coping section at four way and tee intersections. <br /> 8. Turn coping ends up a minimum of 2" at elevation walls and cover termination <br /> with surface mounted counterflashing. <br /> Through-Wall Primary/Overflow Scupper <br /> 1. Fabricate thru-wall scupper flange, liner, and faceplate as shown in detail <br /> drawings. Scuppers dimensions shall be as indicated in the Contract Drawings. <br /> 2. Hot-air weld stripping membrane at seams of the flange and liner. <br /> 3. Install flashing membrane through scupper opening prior to installing new scupper <br /> to seal wall cavity. <br /> 4. Provide flange which extends a minimum of 4"on top and sides of scupper, and <br /> extends a minimum of 4"out onto the horizontal membrane. Mechanically fasten <br /> the horizontal flange into structural deck 8" on center or a minimum of two <br /> fasteners per scupper with approved fasteners. <br /> 5. Strip-in flange as specified in Contract Drawings. <br /> 6. Provide faceplate which extends 1.5"around the entire scupper and secure to wall <br /> substrate with four fasteners. Set faceplate in a bead of sealant. <br /> 7. Scupper Liner shall extend 1" beyond the exterior wall face and lock onto <br /> faceplate. <br /> 8. Collector Heads: <br /> a. Fabricate collector heads as shown in detail drawings. Refer to SMACNA <br /> Architectural Sheet Metal Manual Figure 1-25F. <br /> b. All joints to be sealed and pop riveted. Install beads of sealant inside <br /> conductor head at all seams and rivets. <br /> c. Back edge of conductor head shall be locked to through-wall scupper. <br /> Refer to SMACNA Architectural Sheet Metal Manual Figure 1-26A. <br /> Sebastian Corners Roof Replacement 07 62 00-7 Sheet Metal Flashing and Trim <br />