Sample Firestopping Detail 6.pdf
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- Solicitation number
- IFB-36C77625B0036
About this file
This document is a technical specification for a concrete pipe penetration firestop system by 3M Fire Protection Products. The system is designed for metallic pipes passing through 4-1/2 inch thick concrete floors or walls, with maximum opening diameter of 10-1/2 inches. It supports various metallic pipe types including steel pipe, iron pipe, conduit, copper tubing, and copper pipe with nominal diameters up to 8 inches. The firestop system requires a minimum 3-3/4 inch thickness of 4 pcf mineral wool batt insulation and a 1/4 inch thickness of 3M FB-1000 NS sealant. The system is rated for a 2-hour fire resistance (F Rating) with minimal air leakage at ambient and elevated temperatures, as certified by Underwriters Laboratories Inc.
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Text version
C oncrete
1000 Series M eta llic P ip es
Through Penetrations
3Fire Protection Products www.3m.com/firestop
Product Support Line 1-800-328-1687
FA
F-A-1112 • 1 of 1
1. Floor or Wall Assembly – Min 4-1/2 in. thick reinforced lightweight or normal weight (100-150 pcf) concrete. Max diam of opening is 10-1/2 in.
2. Through-Penetrant – One metallic pipe, conduit or tubing installed either concentrically or eccentrically within the firestop system. The annular space between pipe, conduit or tubing and periphery of opening or sleeve shall be min of 0 in. (point contact) to max 1-7/8 in. Pipe, conduit or tubing to be rigidly supported on both sides of floor assembly. The following types and sizes of metallic pipes, conduits or tubing may be used:
A. Steel Pipe – Nom 8 in. diam (or smaller) Schedule 10 (or heavier) steel pipe.
B. Iron Pipe – Nom 8 in. diam (or smaller) service weight (or heavier) cast iron soil pipe, nom 8 in. diam (or smaller) or Class 50 (or heavier) ductile iron pressure pipe.
C. Conduit – Nom 6 in. diam (or smaller) steel conduit or nom 4 in. diam (or smaller) steel electrical metallic tubing.
D. Copper Tubing – Nom 4 in. diam (or smaller) Type M (or heavier) copper tubing.
E. Copper Pipe – Nom 4 in. diam (or smaller) Regular (or heavier) copper pipe.
3. Firestop System – The details of the firestop system shall be as follows:
A. Packing Material – Min 3-3/4 in. thickness of min 4 pcf mineral wool batt insulation firmly packed into opening as a permanent form.
Packing material to be recessed from bottom surface of floor as required to accommodate the required thickness of fill material.
B. Fill, Void or Cavity Materials* – Sealant – Min 1/4 in. thickness of fill material applied within the annulus, flush with bottom surface of floor. Min 1/4 in. diam bead of caulk applied to the penetrant/concrete interface at the point contact location on the bottom surface of floor.
3M COMPANY
3M FIRE PROTECTION PRODUCTS – FB-1000 NS sealant
*Bearing the UL Classification Mark
Reprinted from the Online Certifications Directory with permission from Underwriters Laboratories Inc.
Copyright © 2010 Underwriters Laboratories Inc.®
System No. F-A-1112 March 27, 2009 F Rating – 2 Hr T Rating – 0 Hr
L Rating at Ambient – Less Than 1 CFM/sq ft L Rating at 400 F– 3 CFM/sq ft
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