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REVISIONS I BY EXISTING ROUND OPENING FROM FLEX. MAKE SQUARE TO RECEIVE PATCH. -` FIBERGLASS DUCT PATCH SAME SIZE AS OPENING WITH 2" DUCT BACKING EXTENDING PAST PATCH FOR STAPLING. STAPLE EVERY 2", MINIMUM. -� FIBERGLASS DUCT_ TAPE WITH UL 161 FOIL TAPE OVER STAPLES COMPLETELY AROUND PATCH FOR AN / AIR -TIGHT SEAL. DUCT FATCH DETAIL ON CURBS LARGER THAN I5"x18" PROVIDE A 2"x2"xl/4" STEEL ANGLE SUPPORT CENTERED AND WELDED BETWEEN CURB RAILS. CURBS LARGER THAT 36 "x36" SHALL HAVE ANGLES WELDED EVERY 18" EQUIDISTANT FROM SIDES OF CURB SIMILAR THAT SHOWN. NOTES: - PROVIDE WASHERS BETWEEN SCREWS AND BOLTS, TYPICAL. - SECURE CAP TO CURB AS SHOWN WITH 3/4" SHEET METAL SCREWS WITH WASHERS. SCREW SPACING SHALL BE EVERY 1$" FROM CENTER AND ONE AT 3" FROM EACH COINER - ALL STRUCTURAL STEEL BY STEEL CONTRACTOR. GASKET AND SHEET METAL CAP PROVIDED AND INSTALLED BY HVAC CONTRACTOR. - INSULATE BOTTOM OF CAP WITH MINIMUM R-n INSULATION. CURB CAP DETAIL 16 GAUGE SHEET METAL CAP WITH ALL SEAMS WELDED LEAK -TIGHT. CURB GASKET ROOF CURB. ROOF DECK. EXISTING STEEL CURB SUPPORTS AS APPLICABLE. - - - __ __- 1I1I�l1IiII IIII Ij iII iIi.;' iII IIr II !(=1I -i ICIIIII II ..,�I �I �_�II`�- kII --I =II II II -IiI -��-e'♦ ®-�II --'I --T'I -l-TII - --rIi --''I-- ' II I'�-c -n 1I_jIII -------I1�- '+�r- -11 It --i --1--- �-- �--1i r�--_'-t 11 1►E__-_�_�1 — 11 ti-1 ----R�i I ---- 1 - a--1---�--I -----------�-r---- -+1II - - - - - - - - - �-`-�-_______--- - _- �_lF1j T In - --- -II------------ ------ j---------- ------ -7 71 j7\Lj L L__�Ls JLC�1�J__�L Z�L�JL_C31L�_1'II --- -- - i I I I I I I I I II I I I i '' 7nI-IItII - 1II1iIIIII II11It _�II _ I arte#--N I IIII II (lamI ' LIII .LZ/iIII TI I� L ________ ____II--�-L�-_=-_—_----�-----�---_-----�-_-_-_—Z — — _U_--------- --__---_- - — �I vx! I--r-------------- I �--L------------------------------------------------_-1-� +14_t -------- I I AI I /� I I In I �I I I Al I l I IA --4' 4--+-- ��'---I---1-<--D�r�-�+--} _ \_I�� _I j !---' F: M I I I III I l f a- q I -----------�-- -------L----J---1-- 1 -- �---1--I---I---J- -` ! ►' II _- - - - - - - - - - - - - - - - 41 II � I I I I------------_----------� I I I I I. CONTRACTOR SHALL SURVEY 51TE PRIOR TO BID 5UBM155ION TO TO VERIFY ALL EXISTING CONDITIONS AS RELATED TO THE SCOPE OF WORK. 2. ANY AND ALL QUESTIONS AS TO THE INTENT OF OR PROCEDURES SET FORTH IN THESE DRAWINGS MUST BE BROUGHT TO THE ATTENTION OF THE ENGINEER PRIOR TO SUBMISSION OF A BID. LACK OF KNOWLEDGE OR UNDERSTANDING OF THE PLANS SHALL NOT JUSTIFY ANY CLAINS OR ADDITIONAL COMPENSATION. 3. EXISTING THERMO5TAT(5) ARE INTENDED TO BE REUSED. PROTECT DURING DEMO PROCESS. RELOCATE AS REQUIRED, REPLACING T-STAT WIRE AS REQUIRED. REMOVE EXISTING SUPPLY DIFFUSER AND RELATED FLEX BACK TO MAIN TRUNK LINE. REMOVE COLLAR AT TRUNK, PATCH AND SEAL DUCT PER DETAIL *2 ON THIS SHEET. ®REMOVE EXISTING SUPPLY DIFFUSER LEAVING EXISTING FLEX IN PLACE FOR RECONNECTION TO NEW DIFFUSER FROM SCHEDULE AND AS LOCATED ON RENOVATION PLAN. REPLACE EXISTING FLEX WITH SAME IF EXISTING FLEX 15 NOT LONG ENOUGH TO ACCOMMODATE NEW GRILLE LOCATION. REMOVE EXISTING RETURN GRILLE LEAVING EXISTING FLEX IN PLACE FOR RECONNECTION TO NEW GRILLE "5" FROM SCHEDULE AND AS LOCATED ON RENOVATION PLAN. REPLACE EXISTING FLEX WITH SAME IF EXISTING FLEX IS NOT LONG ENOUGH TO ACCOMMODATE NEW GRILLE LOCATION, FIELD VERIFY GRILLE LOCATIONS, QUANTITIES, AND NECK 51ZES PRIOR TO BID. EXISTING HOODS TO BE RELOCATED. REFER TO RENO PLAN. EXISTING HOOD TO BE REMOVED. REMOVE ALL ASSOCIATED ITEMS, INCLUDING FAN AND ALL ASSOCIATED ITEMS TO FAN. CAP FAN CURB PER DETAIL ON THIS SHEET. REFER TO ELECTRICAL DRAWINGS FOR MORE INFORMATION. EXISTING A/C SYSTEMS TO REMAIN. REMOVE DIFFUSERS AND GRILLES AS INDICATED, EXISTING DEMO SUPPLY DIFFUSER EXISTING DEMO RETURN !7 EXISTING SUPPLY DIFFUSER TO REMAIN EXISTING RETURN TO REMAIN EXISTING EXHAUST FAN/GRILLE TO REMAIN iqQ Fr0w;�-P� GERd��°° 0. PE 14175 ° ° ° e ®�®° RO®� ° o° �np0 0 GARLAND PATTERSON, P.E. FL Lic. No.: 14175 MAY 25, 2021 "n o N � N W Z y t01 7 Q' 6 Z h v ® 7 N X O a° N u- su ti n ® L N J m IN Li- r,o C (b .7 ® 0 (n � aQ cy Date: 05. 17. 21 Scale: AS NOTED Project Mgr. DG F o A ••IMMKIM Sheet MECHANICAL • — • ESCALE- 3116" = 1'-0"