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® GREASE DUCT & CHIMNEY SPECIFICATIONS PROVIDE GREASE DUCT EQUAL TO CAPTIVEAIRE SYSTEMS MODEL "DW" ROUND 20 GAUGE 430 STAINLESS STEEL DUCTWORK. MODEL "DW" IS LISTED TO UL-1978 AND IS INSTALLED USING "V" CLAMP LOCKING CONNECTIONS SEALED WITH 3M FIRE BARRIER 2000 PLUS. MODEL "DW' DOES NOT REQUIRE WELDING PROVIDING IT HAS BEEN INSTALLED PER THE MANUFACTURES INSTALLATION GUIDE. PROVIDE RATED ACCESS DOORS AT EVERY CHANGE IN DIRECTI➢N AND EVERY 12' ON CENTER, PER MANUFACTURES LISTING MODEL "DW" HORIZONTAL RUNS LESS THAN 75 FT, CAN BE SLOPED 1/16" PER 12', HORIZONTAL RUNS MORE THAN 75 FT. CAN BE SLOPED 3/16" PER 121. DUCT SHOULD BE SLOPED AS MUCH AS POSSIBLE TO REDUCE THE CHANCE OF GREASE ACCUMULATION IN HORIZONTAL RUNS, IF THE DUCT OR CHIMNEY IS WITHIN 18 INCHES OF COMBUSTIBLE MATERIAL, PROVIDE UL-2221 OR UL-103 HT LISTED DOUBLE WALL GREASE DUCT OR DOUBLE WALL CHIMNEY EQUAL TO CAPTIVEAIRE SYSTEMS MODEL 'DW- 2R, 2R TYPE HT, 3R, OR 3Z" ROUND 20 GAUGE 430 STAINLESS INNER DUCT INSULATED WITH A 24 GAUGE 430 STAINLESS OUTER SHELL. CAPTIVEAIRE SYSTEMS RECOMMENDS THE USE HVAC DISTRIBUTION NOTE OF LISTED, PRE-FABRICATED ROUND GREASE HIGH VELOCITY DIFFUSERS OR HVAC RETURNS EXHAUST DUCT TO REDUCE STATIC PRESSURE SHOULD NOT BE PLACED WITHIN TEN (10) FEET IN THE SYSTEM, MINIMIZE INSTALLATION AND OF THE EXHAUST HOOD. PERFORATED INSPECTION TIMES, AND ENSURE DUCT IS DIFFUSERS ARE RECOMMENDED, LIQUID TIGHT VERIFY CEILING HEIGHT CUSTOMER APPROVAL TO MANUFACTURE: _ uyp,o.w e.Hasa ❑ A pnveG with NO Er[eptnn Token ❑ Re+be and R—b.1 ❑ SIGNATURE HEIGHT REQUIRED TO VERIFY THAT HOOD RIS SPACE AND TO SIZE THE ENCLOSURE PANELS Your Tito mt. ✓OBGo(den State Trailers 13' 36' HO-2 (Listed Hood) LOGITION SACRAMENTO, CA, �� DATE 6/1/2019 JOB J/ 3642611 .0% - D/YC 2 DRAWN BYSean Ellas REV I SCALE' 3/8' = 1'-0'