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3.04 Installation of Formed Sheet Metal: <br />A. All flashing and sheet metal work shall be installed in accordance with approved <br />shop drawings and details, with all work true and in perfect alignment. <br />Intersections of work which cannot be shop -fabricated shall be coped or mitred to <br />the exact profile of the member to which it intersects and be fully and <br />continuously sealed to a watertight condition. All gasketed screws shall be drawn <br />up tight and in full gasket contact with the flashing member, ensuring a rigid and <br />secure installation. All hold-down clips shall be solidly anchored into backup <br />construction. <br />B. Cleats or keepers shall be continuous 20 gauge galvanized steel fastened 6" on <br />center with 1 1/4" minimum galvanized steel roofing nails. <br />C. Ribbons of flashing sealant shall be applied to all non -soldered joints or seams, as <br />required or as indicated on drawings. Keep all exposed surfaces of metal work <br />free from sealant, and remove any excess immediately. All flashing sealant shall <br />be applied in accordance with manufacturer's recommendations. <br />D. Inserts for counterflashings shall be saw -cut into concrete, stone or joints of the <br />masonry wall, as shown on detail drawing. Metal insert piece shall be held in <br />place with gasketed fasteners spaced not over 12 inches on center. In crevice, <br />install rod stock, if required, and then apply sealant material. <br />E. Coping and cant edge metal shall be engaged on a continuous cleat or keeper on <br />the outside and fastened on the inside with 11/2" minimum galvanized steel hex <br />head screws with gasketed washers installed 18" on center. <br />F. Embedded edge metal shall be engaged on a continuous cleat or keeper on the <br />outside and fastened with 11/4" galvanized steel roofing nails in two rows 1/2" <br />apart, 3" on center, staggered. <br />3.05 Fabrication and Manufacture of Formed Sheet Metal: <br />A. Fabrication Procedures: <br />1. All sheet metal components shall be fabricated in accordance with the best <br />standards of workmanship of the trade and with the recommendations <br />previously cited in the SMACNA manual, unless otherwise indicated. <br />Form all sections as detailed on the approved shop drawings or in <br />accordance with approved samples. Lines, rises and angles shall be sharp <br />and true. Plain surfaces shall be true and free from waves or buckles. The <br />various sections shall be uniform and the joints at corners shall be rigidly <br />secured. All exposed edges, unless otherwise indicated, shall be returned. <br />Provide for contraction and expansion. <br />B. Soldering: <br />1. Soldering must be completed the same day seams are locked and folded <br />together. Phased construction is not acceptable. <br />City of Lino Lakes <br />Lino Lakes Fire Station #1 <br />RSI Project # 15-12120-02 <br />Flashing and Sheet Metal <br />07 62 00-7 <br />