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KEYED NOTES: 0 ®NEW PACKAGED AIR CONDITIONER. TRANSITION MAIN SUPPLY DUCT FROM UNIT OPENING TO SIZE INDICATED ON PLANS. ®VERIFY EXISTING CURB DIMENSIONS AND PROVIDE CURB ADAPTOR EQUAL TO PLENUMS, INC. ®EXTEND EXHAUST DUCTS TO RUSKIN 20x12 ELF6315DXD LOUVER FROM SHELL CONSTRUCTION WITH PLENUM FOR DUCT ATTACHMENT. ®PROVIDE ISxl2 RUSKIN ELF-6315DXD LOUVER WITH PLENUM DUCT FOR CONNECTION OF EXHAUST DUCTS. COORDINATE WITH THE GENERAL CONTRACTOR PRIOR TO INSTALLATION. ® TRANSITION FROM DUCT OPENING TO 18xl4. TRANSITION TO 1414 AFTER 12x10 CONNECTION. TRANSITION Sxl0 SUPPLY AIR # RETURN AIR DUCTS UP AND INTO WEBBING OF STEEL JOIST TO ALLOW FOR LARGER SUPPLY AND RETURN DUCT TO BE INSTALLED BELOW. ® TRANSITION 12xl0 RETURN AIR DUCT UP AND ABOVE, THROUGH CLEAR SPACE OF STEEL JOIST, LEAVE RETURN AIR DUCT IN JOIST SPACING. TRANSITION 10x12 SUPPLY AIR UP AND ABOVE, THROUGH CLEAR SPACE OF STEEL JOIST. RETURN SUPPLY AIR DUCT TO BELOW JOIST. TRANSITION 12x14 SUPPLY AIR UP AND ABOVE, THROUGH CLEAR SPACE OF STEEL JOIST. TRANSITION SUPPLY AIR DUCT TO 12xl0 AND RETURN SUPPLY AIR DUCT TO BELOW JOIST. Oi MECHANICAL PLAN SCALE: 3/32" = 1'-0" OUTS 1 DE AIR CALCULATION: (FER TABLE 6-I, 464RAE 62.1, 2001) OFFICE OCCUPANCY: NET OCCUPIABLE SPACE (N.O.S.) = 2S61 SQ. FT. MAX. OCCUPANCY = 15 PERSONS CALCULATION: (N.O.S. X (duo) + (OCCUPANCY x 5 GFM/PERSON) = REQUIRED CF1 I. (4381 X .00) + (4-1 x 5 CFM/PERSON) = 498.22 REQUIRED GFM. OUTSIDE AIR PROVIDED: RTU -1 - 100 GFM RTU-2 - 200 GFM RTU-3 - 200 GFM RTU-4 - 100 GFM TOTAL: 500 CFM - IN COMPLIANCE. HVAC GENERAL NOTES 1. DUCT SIZES ARE CLEAR INSIDE DIMENSIONS. VERIFY ALL DIMENSIONS AND LOCATIONS PRIOR TO FABRICATION OR INSTALLATION. ALL NEW DUCTWORK SHALL BE TYPE 800 F15EGLASS EQUAL TO OWENS-CORNING, 11/2" THICK WITH AN 'R'-VALUE OF 6.0. SHEET METAL DUCT WITH 2" 3/4" LB. DENSITY R-(o FOIL FACED EXTERNAL INSULATION MAY ALSO BE USED. COORDINATE DUCTS WITH STRUCTURE PRIOR TO INSTALLATION. ALL DUCT SHALL BE CONSTRUCTED AND INSTALLED PER SMACNA REQUIREMENTS. 2. ALL FLEXIBLE DUCT CONNECTIONS SHALL BE CLASS ONE TYPE. PROVIDE TAB COLLARS AT MAIN DUCT WITH MANUAL VOLUME DAMPER WITH LOCKING QUADRANT. 3. AN IONIZATION PRINCIPLE SMOKE DETECTOR SHALL BE INSTALLED IN THE SUPPLY AND RETURN DUCTWORK WHERE INDICATED. THE DETECTOR SHALL BE WIRED TO APPLICABLE FIRE ALARM SYSTEM BY THE FIRE ALARM CONTRACTOR PROVIDE L.E.D. AND HORN ALARM STATIONS (DUCT SMOKE DETECTOR'S REMOTE TEST SWITCH) LOCATED IN NORMALLY OCCUPIED AREA MOUNTED AT 48" A.F.F. 4. ALL ROOF AND WALL PENETRATIONS SHALL BE PROVIDED AND SEALED BY THE GENERAL CONTRACTOR. 5. CONTRACTOR SHALL SURVEY SITE PRIOR TO BID SUBMISSION TO TO VERIFY EXISTING CONDITIONS, DOWN DUCTS AND EQUIPMENT. ro, DEVIATION FROM MATERIALS, METHODS, OR PROCEDURES SET FORTH HEREIN MUST BE APPROVED, IN WRITING, BY ENGINEER PRIOR TO SUBMISSION OF BID, ORDER, FABRICATION OR INSTALLATION. 1. 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. 8. INSTALLATION SHALL COMPLY WITH ALL APPLICABLE LAWS, CODES AND ORDINANCES. S. THE HVAC CONTRACTOR SHALL COORDINATE ALL EQUIPMENT, DUCT, PIPING, LOUVERS, DIFFUSERS, ETC. INCLUDING LOCATIONS AND CLEARANCES, WITH ALL OTHER TRADES ON PROJECT IN PRE -CONSTRUCTION MEETING, PRIOR TO ANY ORDER, FABRICATION OR INSTALLATION. 10. THERMOSTATS SHALL BE AS PROVIDED AND INSTALLED BY THE CONTROLS CONTRACTOR AS DIRECTED BY THE BUILDING ENGINEER THERMOSTATS SHALL BE INSTALLED AT 5'-6" ABOVE FINISHED FLOOR, TYPICAL. 11. SUPPLY DUCTWORK SHALL BE CONSTRICTED, FABRICATED AND INSTALLED IN ACCORDANCE WITH SMACNA REQUIREMENTS FOR A I" POSITIVE PRESSURE CLASSIFICATION. 12. RETURN AND EXHAUST DUCTWORK SHALL BE CONSTRUCTED, FABRICATED AND INSTALLED IN ACCORDANCE WITH SMACNA REQUIREMENTS FOR A I" NEGATIVE STATIC PRESSURE. 13. ALL EXHAUST FAN DISCHARGES AND PLUMBING VENTS SHALL BE A MINIMUM OF 10'-0" FROM FRESH -AIR INTAKES. COORDINATE WITH PLUMBING PLANS PRIOR TO INSTALLATION. 14, THE MECHANICAL CONTRACTOR SHALL BALANCE ALL SYSTEMS TO WITHIN TEN PERCENT OF DESIGN VALUES SPECIFIED HEREIN. 15. EXTEND 3/4" SCHEDULE 40 PVC CONDENSATE DRAIN LINES FROM AIR HANDLERS TO EXTERIOR WALLS THEN DOWN WITHIN WALL CAVITY FURRED OUT AREA TO 6" ABOVE GRADE THEN OUT TO GRASS/LANDSCAPING AREA. EXTEND MIN. 12" FROM BUILDING. 5UILDING AIR 5ALANCE SCHEIDULE POSITIVE SOURCES: RTU - I 100 CFM RTU-2 200 CFM RTU-3 200 CFM RTU-4 100 GFM TOTAL: 600 CFM NEGATIVE SOURCES: EF-I 50 GFM EF-2 50 CFM EF-3 50 GFM EF-4 50 GFM EF-5 50 CFM EF-6 100 CFM EXFILTRATION: 200 GFM TOTAL: 550 CFM RESULTING TOTAL AIR BALANCE: 50 CFM (POS.) -VAC: LEGEND CEILING SUPPLY DIFFUSER CEILING RETURN 19 CEILING EXHAUST FAN PROGRAMMABLE 7HER-105747 SMOKE DETECTOR 0 VOLUME DAMPER NEW RIGID DUCT EXISTING RIGID DUCT CLASS I FLEXIBLE DUCT SQUARE TO ROUND TRANSITION 13 REVISIONS BY 00 � cry E� N o � � v� m ti E o co 3 3 ~ 3 �-- o x . ti 0 CO x^ La ��-- w °ppp paaoo °°° 0 ° EN ° 1 0 ° ° xio o� 0 —2-1 °o STATE a. o0 ° ®�o*°°r<ORI® G`°oo 00000 o00��00000ppp°°° N Lr) LO N O Um �� Z �� ON °^' z �a r T n0) r V Q O:5,0zI- \ o o m o a �� c LL O Z` N .-- J a�i�mrno D LL Na pON L U NN.0 (� T 0 0NW� o C � U L FLO U_ Z W m �UZw��04 0 U c u') 'J C mM t vU�mo� C, !m� mW m v- L Q U 0 :E •0 Z (L j► m M r c p W tOC)N � Z a 0 N J Date: 05. 12. 14 Scale: AS NOTED Project Mgr: AAY Drawn: BMD Job: 14-20 Sheet m 1