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ST. BARBARA CATHOLIC SCHOOL TASK 2 75-24272-01 <br />DIOCESE OF ORANGE SEPTEMBER 12TH, 2024 <br />SANTA ANA, CA BID & PERMIT SET <br /> <br />COMMON WORK RESULTS FOR ELECTRICAL 260500 - 4 <br />1. Promptly pack grout solidly between sleeve and wall so no voids remain. Tool exposed <br />surfaces smooth; protect grout while curing. <br />I. Interior Penetrations of Non-Fire-Rated Walls and Floors: Seal annular space between sleeve <br />and raceway or cable, using joint sealant appropriate for size, depth, and location of joint. <br />Comply with requirements in Division 07 Section "Joint Sealants." <br />J. Fire-Rated-Assembly Penetrations: Maintain indicated fire rating of walls, partitions, ceilings, <br />and floors at raceway and cable penetrations. Install sleeves and seal raceway and cable <br />penetration sleeves with firestop materials. Comply with requirements in Division 07 Section <br />"Penetration Firestopping." <br />K. Roof-Penetration Sleeves: Seal penetration of individual raceways and cables with flexible <br />boot-type flashing units applied in coordination with roofing work. <br />L. Aboveground, Exterior-Wall Penetrations: Seal penetrations using steel pipe sleeves and <br />mechanical sleeve seals. Select sleeve size to allow for 1-inch annular clear space between pipe <br />and sleeve for installing mechanical sleeve seals. <br />M. Underground, Exterior-Wall Penetrations: Install cast-iron pipe sleeves. Size sleeves to allow <br />for 1-inch annular clear space between raceway or cable and sleeve for installing mechanical <br />sleeve seals. <br />3.3 SLEEVE-SEAL INSTALLATION <br />A. Install to seal exterior wall penetrations. <br />B. Use type and number of sealing elements recommended by manufacturer for raceway or cable <br />material and size. Position raceway or cable in center of sleeve. Assemble mechanical sleeve <br />seals and install in annular space between raceway or cable and sleeve. Tighten bolts against <br />pressure plates that cause sealing elements to expand and make watertight seal. <br />3.4 FIRESTOPPING <br />A. Apply firestopping to penetrations of fire-rated floor and wall assemblies for electrical <br />installations to restore original fire-resistance rating of assembly. Firestopping materials and <br />installation requirements are specified in Division 07 Section "Penetration Firestopping." <br />END OF SECTION 260500