HomeMy WebLinkAboutM104 HOOD DUCT WORKREVISIONS
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BE& THE FAN TO THE
TRANSITION PLATE.
VENTED CURB ROOF
TERMINATION.
LISTED
Duct run shown is for example purposes only.
See mechanical plans for additional information.
dditional information including installation manual available
www.captivealre.com.
CHAUsIBAN.
IF INNER DUCT IS FULLY WELDED TO
AE TRANSITION PLATE, ALL WELDS ARE
YE TESTED.
FIGURED TO THE
URB BY OTHER.
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Furnish double wall, factory built grease duct for use with Type I kitchen hoods, which conforms to the requirements of
A F NOM.AN NOW NFPA-96. Products shall be ETL listed to UL-1978 and UL-2221 for venting air and grease vapors from commercial
cooking operation. Models DW-2R, 3R and 3Z are used for grease duct applications when installed in accordance with
these instructions and National Fire Protection Association "NFPA 96", Standard for Ventilation Control and Fire
- — - - --- ""` Protection of Commercial Cooking Operations. Double wall grease ducts are listed for a continuous internal temperature
of 500 degrees F and intermittent temperatures of 3000 degrees F.
The duct sections shall be constructed of an inner duct wall and an outer wall with insulation in between. The inner duct
wall shall be constructed of .036 inch thick, 430 type stainless steel and be available in diameters 8" through 24". The
outer wall shall be constructed of stainless steel at a minimum of .024 inch thickness. The duct, based on model number,
IUTER DUCT BAND DETAIL shall include layers of Super Wool 607 Plus insulation between the inner and outer wall. Grease duct joints shall be held
together by means of formed V clamps and sealed with 3M Fire Barrier 2000+. The duct wall assembly shall be tested
and listed at'W or zero inch clearance, according to classifications.
LEARNCED
CDCE Classifications and Clearances
EERE
DOUBLE EA -BAND
DUCT
1 D "T 'IN T) Er FIELD VERDES, PARTS SUBJECT TO CHANCE
L OR INNER DUCT CIA TEE TO 24
fiBAJ RT _E J _T OVERLAP 10 BE NO LESS PLAN 6 i UNLESS
RELEASED FOR CONSTRUCTION
UL 2221: Standard for Fire Resistive Grease Duct Enclosure Assemblies. Chapter 7 of this standard references a test
labeled Internal Fire Test. Section 7.1.1 references two installation conditions, Condition A and Condition B. Condition A
represents all installation condition except for installation within non -ventilated combustible enclosures. Condition B
represents installation within a non -ventilated combustible enclosure.
Model DW-3Z is classified under UL2221 (Test of Fire Resistive Duct Enclosure Assemblies) as an alternate to 2-Hr. fire
resistive shaft enclosures with a minimum zero clearance to combustibles (sizes 8" to 24" diameter). Model 3Z is listed in
accordance with the requirements for duct enclosure Condition A and B.
Model DW-3R is classified under UL2221 (Test of Fire Resistive Duct Enclosure Assemblies) as an alternate to 2-Hr. fire
resistive shaft enclosures with a reduced clearance to combustibles (sizes 8" to 24" diameter). Model 3R is listed in
accordance with the requirements for duct enclosure Condition B.
Model DW-2R is classified under UL2221 (Test of Fire Resistive Duct Enclosure Assemblies) as an alternate to 2-Hr. fire
resistive shaft enclosures with a reduced clearance to combustibles (sizes 8" to 16" diameter). Model 2R is listed in
accordance with the requirements for duct enclosure Condition B.
Subject to compliance with all regulations
of State and Local Codes
City Ed Carmel
�VT�Vt�B*S41WML_
DATE: \\ 06/19/19
GREASE DUCT IS NOT IN OWNER'S PACKAGE. PROVIDED BY GC
Insi
in ARE
1
DATE: 3/29/201 9
DWG.M
3774882
DRAWN RJC - 81
BY:
SCALE:
3/4" — 1' n'
Specification
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7580481h Street, S.E.
Grand Rapids, Mi. 49512
P. 616.634.2253
Glenn@rdc-Ilc.com
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DATE ISSUED FOR
03/1512019 REVIEW
04/01/2019 Construction
04/23/2019 Per State Rev.
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THIS DRAWING IS THE
SOLE PROPERTY OF
RETAIL DESIGN
CONSULTANTS LLC AND IS
A COPYRIGHTED
DOCUMENT AND IS NOT
TO BE USED OR
REPRODUCED WITHOUT
WRITTEN CONSENT.
M 104