10-359-008bLU I I UIN /A— A
System No. WL1080
F Rating — 2 Hr
T Ratings — 0 an 3/4 Hr (See Item 2)
1. Wall Assembly — The 2 hr 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
Designs in the UL Fire Resistance Directory and shall include the following construction features:
A. Studs — Wall framing may consist of either wood studs or steel channel studs. Wood studs to
consist of nom 2 by 4 in. lumber spaced 16 in. OC with nom 2 by 4 in. lumber end plates
and across braces. Steel studs to be min 3 -5/8 in. wide channels spaced max 24 in. OC.
B. Wallboard, Gypsum* — Two layers of nom 5/8 in. thick gypsum wallboard, as specified in the individual
U300 and U400 Series Design in the UL Fire Resistance Directory. Max. diam. of opening
is 5-1/4 in.
Diam of circular opening cut through both layers of gypsum wallboard on each
side of wall assembly to be min 3/4 in. to max 1 -1/2 in. larger than outside diam of pipe,
conduit or tube. Side edge of through opening to be min 3 in. from nearest stud in wall cavity.
2. Pipe or Conduit— Nom 4 in. diam (or smaller) Schedule 10 (or heavier) steel pipe, nom 4 in.diam
(or smaller) service weight (or heavier) cast iron soil pipe, nom 4 in. diam (or smaller) Class 50
(or heavier) ductile iron pressure pipe, nom 4 in. diam (or smaller) steel conduit, nom 4 in. diam
(or smaller) steel electrical metallic tubing or nom 2 in. diam Type L (or heavier) copper tubing.
When steel or iron pipe, conduit or tube is used, T Rating of firestop system (Item 3) is 3/4 h.
When copper tubing is used, T Rating of firestop system (Item 3) is 0 h. A max of one pipe, conduit
or tube is permitted in the firestop system. Max annular space between pipe, conduit or tube and
edge of opening is 3/4 in. Min annular space between pipe, conduit or tube and edge of opening is
zero in. (point contact). Pipe, conduit or tube to be rigidly supported on both sides of wall assembly.
3. Fill, Void or Cavity Material* — Putty — Putty fill material installed to fill annular space
throughout thickness of gypsum wallboard layers on each side of wall assembly. A min. 1/4 in.
diam. bead of putty is to be applied to the wall surface where the pipe, conduit or tube is installed
in point contact with the edge of the through opening.Putty installed symmetrically on both sides of
wall assembly.
Minnesota Mining & Mfg. Co. — Type MPS -2 +putty
*Bearing the UL Classification Marking.
SECTION A—A.
System No. WL2004
(Formerly System No. 148)
F Rating — 2 Hr
T Ratings — 3 4, 1 1/72 amd 2 Hr See Item 3)
L Rating At Ambient — 7 CFM /sq ft See Item 3C)
L Rating At 400 F — less than 1 CFM /sq ft (See Item 3C)
1. Wall Assembly — The 2 hr 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 construction features:
A. Studs — Wall framing may consist of either wood studs or steel channel studs. Wood studs to
consist of nom 2 by 4 in.lumber spaced 16 in. OC with nom 2 by 4 in. lumber end plates and cross
broces.Steel studs to be min 3 -5/8 in.wide by 1 -3/8 in.deep channels spaced max 24 in.00.
B. Wallboard, Gypsum* — Two layers of nom 5/8 in.thick gypsum wallboard, as specified in the individual
wall and Partition Design. Max diam of opening is 6 -1/4 in2.Nonmetallic Pipe or Conduit— One
2. Nonmetallic Pipe or Conduit— One nonmetallic pipe or conduit centered
in firestop system, Pipe or conduit to be rigidly supported on both sides of wall.
The following types and sizes of nonmetallic pipes or conduit may be used in closed
(process or supply) or vented (drain, waste or vent) piping systems:
A. Nom 4 in. diam (or smaller) Schedule 40 polyvinyl chloride (PVC) pipe.
B. Nom 4 in.diam (or smaller) Schedule 40 solid —core acrylonitrile butadiene — styrene ABS) pipe.
C. Nom 4 in. diam (or smaller) Schedule 40 (or heavier) fire retardant polypropylene (FRPP) pipe.
D. Nom 4 in. diam (or smaller) Rigid Nonmetallic Conduit formed of PVC.
E. Nom 1 in. diam (or smaller) Electrical Nonmetallic Tubing formed of PVC.
F. Nom 2 in. diam (or smaller) SDR11 (or heavier) polybutylene (PB) pipe.
G. Nom 3 in. diam (or smaller) SDR13.5 (or heavier) chlorinated polyvinyl chloride (CPVC) pipe.
See Rigid Nonmetallic Conduit (DZKT) and Electrical Nonmetallic Tubing (FKHU)
categories in Electrical Construction Materials Directory for names of manufacturers.
3. Firestop System — Installed symmetrically on both sides of wall assembly.The hourly T Ratings for the
firestop system are dependent upon the type and size of nonmetallic pipe or conduit, as tabulated below:
PIPE NOM ANNULAR F T
CONDUIT PIPE SPACE, RATING, RATING,
TYPE DIAM., IN. IN HR. HR
PB 1/2 TO 2 1/4 -3/8 2 2
PP+ 2-1/2,3 1/2-5/8 2 3/4
PP+ 3 -1/2,4 3/4 -7/8 2 3/4
PVC, CPVC, 2-1/2,3 1/2-5/8 2 2
ABS
PVC,ABS 3-1/2,3 3/4 -7/8 2 1-1/2
+Pipe covering material wrap required on pipe on both sides of wall.
ProSet Systems
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Details
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SLEEVES & FIRESTOPPING
Use ProSet "Firestop Penetrators," U.L. classified in the Building Materials Directory,
tested by ASTM E814. Use all applicable pipe penetrations through fire rated, walls
or floor ceiling assemblies in accordance with the manufacturers instructions.
A. Use System "A" Penetrators for water lines, heating and cooling lines, fire
standpipe, and sprinkler lines and electric and communication conduit.
B. Use System "B" Penetrators for cast —iron DWV pipes connecting stacks,
and drains.
C. Use System or Penetrators for plastic DWV pipes connecting stacks, and drains.
1. Use Cast —in coupli_g Penetrators for poured —in —place concrete with metal
or wood forms.
2. Use Cored hole coupling Penetrators for cored holes through concrete floors
and walls.
3. Use Split Wall Sleeve Penetrators for sleeving pipes through gypsum walls.
System "A" UL File R10338 Project 83Nk24827
System "B" UL File R10338 Project 82NK23016,82NK24827 —
System "C" UL File R10338 Project 83Nk24827
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UL No: UL No: UL No: UL No: UL No: UL No:
F —C -2135 F —C -1050 F —C -5055 F —C -5055 F —C -2144 F —C -2146
WOOD FRAME /GYPSUM CEILING /FLOOR ASSEMBLIES
FIRESTOPPING:
USE TREMCO FIRESTOPPING PRODUCTS AND SYSTEMS, UL CLASSIFIED IN THE BUILDING
MATERIALS DIRECTORY AND TO ASTEMS, UL ALL APPLICABLE
PENETRATIONS THRUGH FIRE RATED FLOORS, WALLS OR FLOOR /CEILING ASSEMBLES
IN ACORDANCE NTH THE MANUFACTURER,S INSTRUCTIONS.
CONDUIT
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INSULATION
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ONLY APPLICABLE
IN FIRE —RATED
PARTITION
M FOAM OR EQUAL
FIRE —STOP & DRAFT —STOP)
PREFAB. WOOD TRUSS
SEE STRUCT. DWGS.
FURRS
R S EE ARCH. NOTES &
DG. SECTIONS FOR
LOCATION.
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ARCH. NOTES
BLDG. SECTIONS)
TYPICAL FIRE —STOP AND DRAFT —STOP DETAIL
FOR PARTITION /CONDUIT PENETRATION N.T.S.
(System No. WL2004 Continued)
The details of the firestop system shall be as follows.System No. WL2004 Continued
A. Steel Sleeve — Nom 8 in. long cylindrical sleeve with nom 7/8 in. wide by 1 -3/4 in. long anchortabs and
nom 3/4 in. long tabs to retain wrap strip layers (Item B).Sheets of precut 0.016 in.thick (30 gauge)
galv sheet steel available from wrap strip monufacturer.As an alternate, cylindrical sleeve may be fabricated
from min 0.016 in. thick (No. 30 gauge) galv. sheet steel in accordance with instruction sheet supplied by wrap
strip manufacturer.Sheet steel formed into cylindrical sleeve with inside diam of steel sleeve and diam of
through opening in the gypsum wallboard layers to be equal to outside diam of wrap strip (Item B) layers on pipe
( -0,+ 1/8 in.).Cylindrical sleeve inserted in annular space around nonmetallic pipe, centered in wall and locked
in position by bending the anchor tabs outward 90 deg against the inner layer of gypsum wallboard within the stud
cavity.After installation of wrap strip layers (Item B), retainer tabs of cylindrical sleeve bent 90 deg toward pipe
on both sides of wall assembly to lock wrap strip layers in position.
B. Fill, Void or Cavity Materials* — Wrap Strip — Nom 1/4 in. thick intumescent elastomeric material faced on one side
with aluminum foil, supplied in 2 in. wide strips.Nom 2 in. wide strips tightly wrapped around nonmetallic pipe
(foil side exposed) and slid into steel sleeve on both sides of wall assembly.For nom 1/2 in. to nom 2 in. diam
nonmetallic pipes, one layer of wrap strip is required. For nom 2 -1/2 in. and nom 3 in. diam nonmetallic pipes,
two layers of wrap strip are required. For nom 3 -1/2 in. and nom 4 in. diam nonmetallic pipes, threelayers of
wrap strip are required.Each layer of wrap strip to be installed with butted seam, with butted seams in successive
layers staggered. Wrap strip layers on each side of wall toprotrude approx. 3/4 in. from wall surface with the
exposed edges abutting the retainer tabs of the steel sleeve.Minnesoto Mining & Mfg. Co. — FS -195+
C. Fill, Void or Cavity Materials* — Caulk or Putty — Generous bead applied to outer perimeterof steel sleeve at
interface with wall surface and to perimeter of nonmetallic pipe at itsegress from the wrap strip layers approx.
3/4 in.from the wall surface.Minnesoto Mining & Mfg. Co. — CP 25WB+ Caulk or MPS -2+ Putty.D.Pipe Covering*
D. Pipe Covering* — (Not shown) — Nom 1 in. thick hollow cylindrical heavy density (min 3.5pcf) glass fiber units
jacketed on the outside with an all service jacket.When required (see table), min 6 in. length of pipe covering installed
around PVC pipe at its egress from steel collar on both sides of the wall. Pipe covering secured to pipe with steel
wire ties spaced max 4 in. OC. Edge of pipe covering abutting wrap strip to be sealed with a min 1/4 in. diam
bead of caulk (Item C).
See Pipe And Equipment Covering — Materials (BRGU) category in the Building Materials Directory for names of
manufacturers. Any pipe covering material meeting the above specifications and bearing the UL Classification Marking
with a Flame Spread Index of 25 less and a Smoke Developed Index of 50 or less may be used.
*Bearing the UL Classification Marking.
SECTION A—A_
System No. WL1082
2F Rating — 2 Hr
T Rating — 0 Hr
1. Wall Assembly — The fire rated gypsum wallboard /stud wall assembly shall be constructed
of the materials and in the manner specified in the individual U300 or U400 Series Wall
and Partition Designs in the UL Fire Resistance Directory and shall include the follow-
ing construction features:
A. Studs — Wall framing may consist of either wood studs or steel channel studs.
Wood studs to consist of nom 2 by 4 in. lumber spaced 16 in. OC.
Steel studs to be min 3- 1 /2in.wide and spaced max. 24 in. OC.
B. Wallboard, Gypsum* — Two layers of nom 5/8 in. thick gypsum wallboard, as specified in
the individual Wall and Partition Design.Diam of opening is 1 -1/2 in. larger than
the outside diam of pipe.
2. Through— Penetrant — One metallic pipe, conduit or tubing to be centered within the
firestop system. An annular space of 3/4 in. is required within the firestop system.
Pipe, conduit or tubing to be rigidly supported on both sides of wall assembly.
The following types and sizes of metallic pipes, conduits or tubing may be used
A. Steel Pipe — Nom 12 in. diam (or smaller) Schedule 10 (or heavier) steel pipe.
B. Conduit — Nom 6 in. diam (or smaller) steel conduit.
C. Conduit — Nom 4 in. diam (or smaller) steel electrical metallic tubing.
D. Copper Tubing — Nom 6 in. diam (or smaller) Type L (or heavier) copper tubing.
E. Copper Pipe — Nom 6 in. diam (or smaller) Regular (or heavier) copper pipe.
3. Forming Material — Nom 1 in. diam polyethylene backer rod friction fitted into opening
as a permanent form. Forming material to be recessed from both surfaces of wall
as required to accommodate the required thickness of fill material.
4. Fill, Void or Cavity Material* — Sealant — Min 5/8 in. thickness of fill material applied
within annulus, flush with top surface of floor or both surfaces of wall asembly.
Minnesota Mining & Mfg. Co. — Types FB -2000
*Bearing the UL Classification Marking.
CITY BUILDING DEPT -
ROOFING SECTION
ell
System No. WL2003
(Formerly System No. 148
P Ratings — 1 and 2 Hr (See Item 3)
T Ratings 1 and 2 Hr (See Item 3
L Rating At Ambient — 7 CFM sq ft See Item 3131)
L Rating At 400 F — less than 1 CFM sq ft (See Item 313)
1. Wall Assembly — The 1 or 2 hr 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 construction features:
A. Studs — Wall framing may consist of either wood studs or steel channel studs. Wood studs to
consist of nom 2 by 4 in. lumber spaced 16 in. OC with nom 2 by 4 in. lumber end plates and cross
braces. Steel studs to be min 3 -5/8 in. wide by 1 -3/8 in. deep channels spaced max 24 in. OC.
B. Wallboard, Gypsum* — 5/8 in. thick, 4 ft wide with square or tapered edges.
The gypsum wallboard 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.
Max diam of opening is 3 -1/8 in.
2. Nonmetallic Pipe — Nom 2 in. diam (or smaller) Schedule 40 polyvinyl chloride (PVC) pipe for use
in closed (process or supply) or vented (drain, waste or vent) piping systems. One pipe to be
centered in firestop system. The annular space between the pipe and the circular cutout in the
gypsum wallboard layers on each side of the wall shall be min 1/4 in. to max 3/8 in. Pipe to be
be ridgily supported on both sides of the wall assembly.
3. Firestop System — Installed symmetrically on both sides of wall assembly. The hourly F and T
Ratings for the firestop system are equal to the hourly fire rating of the wall assembly in which it
is installed. The details of the firestop system shall be as follows.
A. Fill, Void or Cavity Materials* — Wrap Strip — Nom 1/4 in. thick intumescent elastomeric material
faced on one side with aluminum foil, supplied in 2 in. wide strips. Nom 2 in. widestrip tightly
wrapped around nonmetallic pipe (foil side out) with seam butted. Wrap strip layer securely
bound with steel wire or aluminum foil tape and slid into annular space approx. 1 -1/4 in. such
that approx. 3/4 in. of the wrap strip protrudes from the wall surface.
Minnesota Mining & Mfg. Co. — Types FS -195, FS -195+
B. Fill, Void or Cavity Materials* — Caulk —Min 1/4 in. diam continuous bead applied to leadin
edge of wrap strip layer (Item A) prior to insertion of wrap strip layer into annular spac .
After insertion of wrap strip layer in annular space, a nom 1/4 in. diam continuous bead s to
be applied to the wrap strip /wall interface and to the exposed edge of the wrap
strip layers approx. 3/4 in. from the wall surface.
Minnesota Mining & Mfg. Co. — Types CP -25 S /L, CP -25 N /S, CP zy_�.,.''; , -' • 09
WB, CP- 25WB +, (Note: L Ratings apply only when Type CP -25 WB+ caul is,bs+edj '��o''•
*Bearing the UL Classif— ication Marking.
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