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ROUGH CARPENTRY Section 06100 15-1207 bracing to allow freedom of workmen in building and erecting other work. 3.02 FRAMING A. General: 1. Layout: Work as indicated on the Drawings. Set nailing blocks, anchors, bolts, grounds, plates, backing, etc., required; establish lines, levels, and locations for work specified under other sections, and see that all work is coordinated. Do all cutting, patching, and fitting to accommodate work specified under other sections. 2. Lumber: Individual pieces of lumber for use in parts of work shall be selected in such manner that knots and obvious minor defects will not interfere with placing of bolts, proper nailing, or making good connections. Lumber shall be cut to length on job site after verification of compliances with Article 2.02A by Project Inspector and Contractor. Off-site cutting will not be allowed except as established by approved Change Order. 3. Framing for Piping: Frame partitions containing any piping to give proper clearance; place pipe 1'/2' outside diameter or less in center of plate using neat round holes; no notching allowed; pipes not to pass through sills or plate less than 5'/2' in width. Furr partitions where required to conceal piping. 4. Fire Blocking: Provide 2" nominal thickness lumber for blocking by width of enclosed spaces within partition; provide fire blocks at intersection of interior and exterior walls with ceilings and roof to effectively cut all communication by fire through hollow concealed space, and prevent vertical and horizontal draft. Use continuous row of fire furring; place in such manner that no concealed air spaces greater than 10' in any direction occur. Fire blocking and draft stops shall be provided in conformance with CBC Section 717.2. 5. Structural Composite Lumber: Provided under Section 06160. Do not erect any for which inspection certification has not been provided. 6. Wood Chord Metal Joists: Provided under Section 06170 — Wood chord Metal Joists. Do not erect any for which inspection certification has not been provided. No cutting of flanges or webs permitted. 7. Glue Laminated Members: Provided under Section 06180 — Glue Laminated Structural Units. Do not erect any for which Inspection certification has not been provided. Cutting is not permitted, except as shown on Drawings, or with written approval of Structural Engineer. 8. Wood I Joists: Provided under Section 06190 — Prefabricated Wood I Joists. Do not erect any for which inspection certificate has not been provided. No cutting of flanges permitted unless noted otherwise; holes in web shall be only where indicated on structural drawings. 9. Recessed Fixtures: Frame openings for panel boxes and other equipment, according to requirements of fixtures provided. 10. Roof Strips, Roof Curbs and Nailers: Install at openings through roof, except where prefabricated curbs are shown or specified. Plywood Sheathing: See Drawings for thickness. All joints of wall sheathing must bear on studs or blocking. All plywood nailing shall be as shown on Structural Drawings. Closer nail spacing applies not only at all edges of all sheets, but also over all walls or beams, and farthest nail spacing applies only at interior bearings other than as specified above. 11. Use of nailing gun to apply nails is subject to a satisfactory jobsite demonstration for 7