14-879-008i GREASE DUCT SPECIFICATION
Furnish single -wall, factory built, grease duct for use with Type I kitchen hoods, which conforms to the requirements of NFPA -96.
Products shall be ETL listed to UL -1978
for venting air and grease vapors from commercial cooking operations as described in NFPA -96.
The duct wall shall be constructed of .036 thick type 430 stainless steel and be available in diameters 8" through 24 ".
All supports, fan adapters, hood connections, fittings and expansion joints required to install grease duct shall be included.
Roof penetrations shall comply with listed clearance to combustibles, see "Clearance to Combustibles" guide for details.
The grease duct will terminate at the fan adapter plate, will be fully welded to the fan adapter plate and the fan adapter plate
will be fastened to the curb using a suitably sized fastener provided by others; see page 12 of the 'Installation, Operation and
Maintenance Manual' for details.
Grease duct joints shall be held together by means of formed vee clamps and sealed with 3M Fire Barrier 2000 +. Screws used to secure the vee
clamps shall be of the hex -head type with flanged stops and tapered 'lead in" threads for easy starting. Nuts shall be retained by means of a
free - floating cage to allow easy alignment.
Single -Wall Grease Duct shall be installed in accordance with the manufacturer's 'Installation, Operation and Maintenance Manual", ETL listing and state and local codes.
Grease duct installed outside of the building shall be protected against accidental damage or vandalism.
Support vertically installed grease duct from the building structure using rigid structural supports. Anchor supports to the structure by welding or bolting steel expansion
anchors or concrete inserts. Support horizontally installed grease duct from the building structure using above method or use Duct Mate, Wire Rope & Clutchers, part
numbers WR20 & CL20. 1/2" Threaded rod and saddles may also be used for the support of horizontal grease duct.
Fans shall be supported independently from the grease duct sections. Protect grease duct from twisting or movement caused by fan torque or vibration.
12X12' 16 GA WELDED
NOTEi USE OF CAPTIVE AIRE ETL LISTED GREASE CAN BE USED
SUPPLY AIR UNIT, WALL
42 GA UNISTRUT BRACKET WELDED TO DUCT AND ATTACHED 0 BUILDING WITH 1!' CONCRETE SLEEVE ANCHORS, MIN. 2 PER BRACKET
NOTEi ONE BRACKET EVERY 8' MINIMUM
SUPPLY AIR UNIT, WALL MOUNTED
NOTE: THERE ARE N❑ COMBUSTIBLES WITHIN 18" OF GREASE DUCT
HOOD INSTALLED WITH S/S WALL FLASHING EXTENDING, 18" PAST
ROOF ACCESSIBLE VIA FIXED LADDER ATTACHED TO BUILDING
EXHAUST FAN LOCATED NOT LESS HAN 10' FROM ROOF EDGE
24 GA MUA DUCT
20 GA S/S BACKSPLASH
SECTIFIN VIEW
JOIST ROOF
OR HOOD
ALL SIDES
NO-TEI::-PER- ERPR- M❑TION -FOR - APPROVAL
ALL WORK SHALL BE IN COMPLIANCE WITH SECTI ❑N 20 -3.6 (Q)(1)
OF THE LAND DEVELOPMENT CODE
EXTERIOR DUCTWORK
SHALL
BE PAINTED TO
MATCH
THE COLOR OF THE BUILDING
PAINT SHALL BE THE
HIGH
TEMP TYPE AND
RATED
OR ITS INTENDED USE
THE EXTERIOR GARGAE DOOR SHALL BE RMEOVED AND REPLACED WITH A FIRE RATED PARTITI ❑N
TO CREATE A CONTINUOUS FACADE AT THAT PORTION OF THE BUILDING.
SET BUT SHALL BE DONE BY THE OWNERS CONTRACTOR
NOTE: EXHAUST DUCT OUT BACK OF HOOD
NOT SHOWN FOR CLARITY, REFER TO SECTI ❑N VIEW FOR DETAILS
I I
I I
14X14' 24 GA MUA DUCT I
I I
I
10' 0 SNAP Lgp FE 1z 0 SNAP LOCK PIPE OOD JOIST ROOF
i.00i i.001
ELEVATION VIEW
THIS WORK IS REFERENCED ON OUR PERMIT
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BUCHANAN RE CONSULTING INC.
ELECTRICAL * MECHANICAL * PLUMBING
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6191 W. ATLANTIC BLVD, SUITE# 1W
MARGATE, FL 33064
Phi 954 - 590 -3300 Fax1 954 - 590 -2232
Errialtl Mepenglneers@aol,coM
RAJA BUCHANAN FL RE # 48916
CERTIFICATE OF AUTHORIZATION # 8842
REVISIONS
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SEP 0 0 2014 NA� .•`��
BUCHANAN RE CONSULTING INC.
ELECTRICAL * MECHANICAL * PLUMBING
EN G /NEE RING
6191 W. ATLANTIC BLVD, SUITE# 1W
MARGATE, FL 33064
Phi 954 - 590 -3300 Fax1 954 - 590 -2232
Errialtl Mepenglneers@aol,coM
RAJA BUCHANAN FL RE # 48916
CERTIFICATE OF AUTHORIZATION # 8842
REVISIONS
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DATE: 3/13/2014-
DWG. #:
1845940
DRAWN JTS
SCALE:
3/4" = 1' -0"
MASTER DRAWING
SHEET NO.
3