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Firestop™ CONDUIT and EMT SYSTEMS

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Firestop™ CONDUIT and EMT SYSTEMS FireStop™ CONDUIT AND EMT SYSTEMS UL SYSTEM NO. C-AJ-1509 F Rating – 3 hr., T Rating – 0 hr. 1 3b 1. &LOORORWALLASSEMBLY – Minimum 41/2 in. thick reinforced normal weight concrete. Wall may also be constructed of any UL Classified concrete blocks. Maximum diameter of opening is 8 in. See Concrete Blocks (CAZT) category in the Fire Resistance Directory for names of manufacturers. 3a 2. Through Penetrant – One metallic pipe, conduit or tubing to be installed either concentrically or eccentrically within the firestop system. Pipe, conduit or tubing to be rigidly supported on both sides of floor or wall assembly. A maximum of one pipe, conduit or tubing 2 to be installed within the opening. The space between the pipe, conduit or tubing and the periphery of opening shall be a minimum of 0 in. to a maximum of 2 in. The following types and sizes of metallic pipes, conduits or tubing may be used: a) Steel pipe – Nom. 24 in. diameter (or smaller) Schedule 10 (or heavier) steel pipe 3a b) Conduit – Nom. 6 in. diameter (or smaller) electrical metallic tubing or steel conduit c) Copper tubing – Nom. 6 in. diameter (or smaller) Type L (or heavier) copper tubing d) Copper pipe – Nom. 6 in. diameter (or smaller) Regular (or heavier) copper pipe. 3b 3. Firestop System – The firestop system shall consist of the following: a) Packing material – NSi FireStop Mineral Wool. Minimum 4 in. thickness of minimum 4 pcf mineral wool batt insulation firmly packed into opening as a permanent form. Packing material to be recessed from top surface of floor or from both surfaces of wall as required 2 to accommodate the required thickness of fill material b) Fill, void or cavity material – NSi FireStop Intumescent Caulk. Minimum 1/4 in. thickness of fill material applied within the annulus, flush with top surface of floor or with both surfaces of wall. At the point contact location between through penetrant and concrete, a minimum 1/4 in. diameter bead of fill material shall be applied at the concrete/through penetrant interface on the top surface of floor and on both surfaces of wall. UL SYSTEM NO. C-AJ-1510 F Rating – 2 hr., T Rating – 0 hr. 1 4b 2 1. &LOORORWALLASSEMBLY – Minimum 21/2 in. thick reinforced lightweight or normal weight (100-150 pcf) structural concrete. Floor may also be constructed of any minimum 6 in. thick UL Classified hollow-core precast concrete units. Wall may also be constructed of any UL Classified concrete blocks. Maximum diameter of opening is 261/4 in. Maximum diameter of opening in floors constructed of hollow-core is 7 in. See Concrete Blocks (CAZT) or Precast Concrete Units (CFTV) category in the Fire Resistance Directory for names of 4a manufacturers. 3 2. Steel Sleeve (optional) – Nom. 26 in. diameter (or smaller) Schedule 10 (or heavier) steel pipe cast or grouted into floor or wall assembly, flush with floor or wall surfaces. 4a 3. Through Penetrant – One metallic pipe, conduit or tubing, rigidly supported on both sides of floor or wall assembly. The annular space between the pipe or conduit and the periphery of opening shall be a minimum of 0 in. (point contact) to a maximum of 21/4 in. The following types and sizes of metallic pipes, conduits or tubing may be used: 4b a) Copper tubing – Nom. 6 in. diameter (or smaller) Type L (or heavier) copper tube b) Steel pipe – Nom. 24 in. diameter (or smaller) Schedule 10 (or heavier) steel pipe c) Conduit – Nom. 6 in. diameter (or smaller) steel electrical metallic tubing (EMT) d) Iron pipe – Nom. 24 in. diameter (or smaller) cast or ductile iron pipe. 3 4. Firestop System – The firestop system shall consist of the following: a) Packing material – NSi FireStop Mineral Wool. Minimum 4.5 pcf mineral wool batt insulation, tightly compressed and firmly packed into opening as a permanent form to a minimum depth of 21/4 in. Packing material to be recessed from top surface of floor or from both surfaces of wall as required to accommodate the required thickness of sealant b) Fill, void or cavity material – NSi FireStop Intumescent Caulk. Minimum 1/4 in. thickness of caulk applied within the annulus, flush with top surface of floor or with both surfaces of wall. In floors constructed of hollow-core precast concrete units, fill material installed symmetrically on both sides of floor. Additional material installed to form a minimum 1/4 in. crown bead at the point contact location between the pipe and periphery of the opening. For vertical installations, sealant to be applied symmetrically on both sides of wall. 211 NSi NSiMASTER.indd 211 12/4/09 11:01:52 AM FireStop™ CONDUIT AND EMT SYSTEMS UL SYSTEM NO. C-AJ-1511 F Rating – 2 hr., T Rating – 0 hr. 1 3 1. &LOORORWALLASSEMBLY – Minimum 21/2 in. thick reinforced lightweight or normal weight (100-150 pcf) concrete floor. Floor may also be constructed of any minimum 6 in. thick UL Classified hollow-core precast concrete units. Wall may also be constructed of any UL Classified concrete blocks. Maximum diameter of opening is 24 7/8 in. Maximum diameter of opening in floors constructed of hollow-core is 7 in. See Concrete Blocks (CAZT) or Precast Concrete Units (CFTV) category in the Fire Resistance Directory for names of manufacturers. 2. Through Penetrant – One metallic pipe, conduit or tubing to be installed within the firestop system. Pipe, conduit or tubing to be 2 rigidly supported on both sides of floor or wall assembly. The annular space between the pipe or conduit and the periphery of opening shall be a minimum of 0 in. (point contact) to a maximum of 7/8 in. The following types and sizes of metallic pipes, conduits or tubing may be used: 3 a) Steel pipe – Nom. 24 in. diameter (or smaller) Schedule 10 (or heavier) steel pipe b) Iron pipe – Nom. 24 in. diameter (or smaller) cast or ductile iron pipe c) Conduit – Nom. 6 in. diameter (or smaller) steel electrical metallic tubing or steel conduit d) Copper pipe or tubing – Nom. 6 in. diameter (or smaller) Type L (or heavier) copper tubing. 3. Fill, void or cavity material – NSi FireStop Intumescent Caulk. Minimum 1/2 in. thickness of caulk applied within the annulus, flush with top surface of floor or with both surfaces of wall. In floors constructed of hollow-core precast concrete units, fill material installed 2 symmetrically on both sides of floor. Additional material installed to form a minimum 1/4 in. crown bead at the point contact location between the pipe and periphery of the opening. For vertical installations, sealant to be applied symmetrically on both sides of wall. UL SYSTEM NO. W-L-1349 F Rating – 2 hr., T Rating – 0 hr. 1a 1. 7ALL!SSEMBLY – The fire-rated gypsum wallboard/stud wall assembly shall be constructed of the materials and in the manner described in the individual U300 or U400 Series Wall or Partition Design in the UL Fire Resistance Directory and shall include the following 3 construction features: a) Studs – Wall framing may consist of either wood studs or steel channel studs. Wood studs to consist of nom. 2 x 4 in. lumber spaced 16 in. oc. Steel studs to be minimum 3 5/8 in. wide and spaced maximum 24 in. oc. When steel studs are used and the diameter of openings exceeds the width of stud cavity, the opening shall be framed on all sides using lengths of steel stud installed between vertical studs and screw-attached to the studs at each end. The framed opening in the wall shall be 4 to 6 in. wider and 4 to 6 1b 2 in. higher than the diameter of the penetrating item such that, when the penetrating item is installed in the opening, a 2 to 3 in. clearance is present between the penetrating item and the framing on all four sides. b) Wallboard, Gypsum – 5/8 in. thick, 4 ft. wide with square or tapered edges. The gypsum wall board type, thickness, number of layers, fastener type and sheet orientation shall be as specified in the individual U300 or U400 Series Design in the UL Fire Resistance Directory. Maximum diameter of opening is 6 5/8 in. 2. Through Penetrant – One metallic pipe, conduit or tubing to be installed either concentrically or eccentrically within the firestop 3 system. The annular space between pipes, conduits or tubing and the periphery of opening shall be a minimum of 0 in. (point contact) to a maximum of 1/2 in. Pipe, tubing or conduit to be rigidly supported on both sides of wall assembly. The following types and sizes of metallic pipes, tubing or conduits may be used: 2 a) Steel pipe – Nom. 24 in. diameter (or smaller) Schedule 5 (or heavier) steel pipe b) Iron pipe – Nom. 24 in. diameter (or smaller) cast or ductile iron pipe c) Conduit – Nom. 6 in. diameter (or smaller) steel electrical metallic tubing or steel conduit d) Copper Tubing – Nom. 6 in. diameter (or smaller) Type L (or heavier) copper tubing e) Copper Pipe – Nom. 6 in. diameter (or smaller) Regular (or heavier) copper pipe. 3. Fill, void or cavity material – Sealant – NSi FireStop Intumescent Caulk. Minimum 11/4 in. thickness of fill material applied within the annulus, flush with both surfaces of wall. At the point contact location between through penetrant and gypsum wall board, a minimum 1/2 in. diameter bead of fill material shall be applied at the gypsum wallboard/through penetrant interface on both surfaces of wall.
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