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5. Provide downspout outlet tubes in downspout locations. Refer to SMACNA <br /> Architectural Sheet Metal Manual Figure 1-33B and Detail 1. Gutter outlet tubes <br /> to be tabbed a minimum of 1", set in a full bead of sealant and secured to gutter <br /> with a minimum of two rivets per tab. <br /> 6. Provide primed and painted brackets and spacers as shown in detail drawings. <br /> Evenly stagger the placement of brackets and spacers. Spacing shall be 36" on <br /> center for both brackets and spacers. <br /> 7. Spacers shall be riveted to both sides of the gutter only. <br /> 8. Brackets shall be secured with two stainless steel fasteners to the wood blocking. <br /> 9. Leading edge of gutter to be a minimum of 1" below the back edge as shown in <br /> detail drawing. <br /> 10. Hang gutters level. <br /> 11. Metal Edge: Refer to Metal Edge installation indicated above. <br /> L. Downspouts: <br /> 1. Fabricate downspouts in 10' lengths. Refer to SMACNA Architectural Sheet <br /> Metal Manual Figure 1-32B. <br /> 2. Downspouts shall tie into existing below grade storm drainage system or if no <br /> below grade system is applicable downspouts shall kick-out above grade onto <br /> concrete splash blocks. Fill in soil to provide slope away from building. <br /> 3. Each downspout shall be secured to the structure with two-piece hangers spaced <br /> no more than 8'apart with a minimum of two hangers per downspout with a hanger <br /> located within 12" from bottom. Hangers shall be primed and painted to match <br /> downspouts. Refer to SMACNA Architectural Sheet Metal Manual Figure 1-35H. <br /> 4. Downspouts are to be fashioned to run back to(at overhangs) and parallel to the <br /> facility walls. <br /> 5. Provide discharge elbow at the base of downspout where is kicks out onto splash <br /> pan or splash block. <br /> M. Multiple Pipe Penetration <br /> 1. Fabricate pitch pan, pipe enclosure flashing, and closure cap as shown in detail <br /> drawings. Refer to SMACNA Architectural Sheet Metal Manual Figure 8-8B or <br /> 8-9A depending upon direction of pipes. <br /> 2. Size pitch pan minimum 2" larger than the penetration on all sides. Provide a 4" <br /> minimum flange and double walls with minimum depth of 6". <br /> 3. Install 2" wide aluminum tape around all sides of pitch pan extending 1/2" above <br /> top edge. <br /> 4. Fill pitch pan with non-shrink grout to a depth of 2" from the top of the tape. <br /> 5. Fill pitch pan with pourable sealer to the top of the tape. Slope to shed water. <br /> 6. Secure pipe enclosure flashing and cap as indicated in detail drawings. <br /> 7. Clean and solder all seams. <br /> N. Base Flashing Closure <br /> 1. Install new closures where base flashings abruptly end. <br /> 2. Completely solder or seal all joints to be watertight. <br /> 3. Install closures over membrane and under finish ply of base flashing. <br /> 4. Extend closures up under counterflashings or copings. <br /> 5. Install closures to completely seal ends of base flashings, membrane and cants as <br /> well as end joints of edge metal. <br /> 0. Polymer Clad Base Flashing <br /> Sebastian Corners Roof Replacement 07 62 00-9 Sheet Metal Flashing and Trim <br />