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11-361-029�tq _jjjAter • lam SJUNVAMIZIMAiN • MORCCISImil VA I'll-011,416V THE BUILDING. 300 CFM 19®0 (0) co) ••IN too c �O glammilligg Al l, * W. A Im 0 HVAC NOTES: HVAC LEGEND - CONTRACTOR NOTES: 4�7 61 RIGID SUPPLY AIR DUCTWORK 1. LOW LEAKAGE MOTORIZED DAMPERS SHOULD BE INTERLOCKED WITH Ax (N ASSOCIATED UNIT'S CO2 SENSORS TO BE NORMALLY OPEN WHEN UNITS IS 1. THE WORK THAT IS TO BE DONE UNDER THIS HEADING INCLUDES THE FURNISHING OF ALL LABOR, 7�- 0 0 0 co 'AJ U) ON AND AT TIMES OF HIGH OCCUPANCY AND CLOSED WHEN UNIT IS OFF OR MATERIALS, EQUIPMENT, PERMITS, FEES, INSPECTIONS, TEST, INSURANCE, ETC. REQUIRED FOR THE RIGID RETURN AIR DUCTWORK LOW OCCUPANCY TIMESAS PER SENSOR'S READINGS. PLEASE CONSULT A COMPLETION OF THE SYSTEMS INDICTED ON THE DRAWINGS AND/OR LISTED BELOW. CONTROL'S COMPANY FOR PROPER SEQUENCE AND INSTALLATION, 2. THE CONTRACTOR SHALL VISIT THE SITE AND BECOME FAMILIAR WITH ANY AND ALL EXISTING CLASS I FLEXIBLE DUCT 2. ALL FLEXIBLE DUCTS SHALL BE PROPERLY SUPPORTED AND CONDITIONS AND PROPOSED SCOPE OF WORK. THE CONTRACTOR SHALL INFORM THE PROVIDED A MINIMUM OF 1"SEPARATION OF DUCTWORK AND ATTIC ARCHITECT/ENGINEER OF ANY DISCREPANCIES 15 DAYS PRIOR TO BID. THE NATURE OF THIS PROJECT INSULATION. AT NO LOCATION SHALL DUCTWORK COME IN CONTACT MAY INVOLVE THE REMODELING OF EXISTING FACILITIES. REFRIGERANT LINE WITH ATTIC INSULATION. 3. INTERRUPTION OF EXISTING FACILITIES AND/OR SYSTEMS SHALL BE KEPT TO MINIMUM. OWNER SHALL BE INFORMED OF ANY INTERRUPTIONS 24 HOURS PRIOR TO OCCURRENCE. THE CONTRACTOR SHALL DUCT UNDER POSITIVE PRESSURE 3. ALL CRACKS AND OPENINGS AROUND DIFFUSERS SHALL BE SEALED TO PREVENT CONDENSATION. FURNISH ALL MATERIALS, LABOR AND EQUIPMENT REQUIRED WHEN TEMPORARY CONNECTIONS OR SERVICES ARE NECESSARY TO MAINTAIN CONTINUITY OF SYSTEMS. COORDINATE ANY INTERRUPTION OF _-��j DUCT UNDER NEGATIVE PRESSURE 4. THE CONTRACTOR SHALL BEAR FULL RESPONSIBILITY AND SYSTEMS WITH OWNER■S REPRESENTATIVE. L RELATED COSTS INCLUDING FEES FOR ANY FIELD CHANGES OR 4. ALL DUCTWORK SHALL BE GALVANIZED SHEET METAL WITH GAUGES, (UNLESS OTHERWISE IS REQUESTED 4z� CEILING DIFFUSER DEVIATIONS FROM CONSTRUCTION DOCUMENTS WITHOUT WRITTEN BY OWNER.) DUCT CONSTRUCTION, BRACING AND SUSPENSION IN ACCORDANCE WITH THE AUTHORIZATION FROM THE ARCHITECT OR ENGINEER OF RECORD. RECOMMENDATIONS SET FORTH IN THE LATEST EDITION OF THE A.S.H.R.A.E. GUIDE AND SMACNA STANDARDS. DUCT SIZES INDICATED ARE CLEAR INTERIOR DIMENSIONS. R URN AIR GRILLE ETALLA 5. THE CONTRACTOR SHALL VERIFY ALL EXISTING CONDITIONS PRIOR TO INST TION. CONTRACTOR SHALL VERIFY EXACT LOCATION OF DUCTWORK COORDINATING WITH STRUCTURE AND OTHER TRADES PRIOR TO ANY FABRICATION TO AVOID CONFLICTS. ANY CONFLICTS SHALL BE REPORTED TO THE ARCHITECT /ENGINEER IMMEDIATELY. MINOR MODIFICATIONS TO DUCT THERMOSTAT SIZES MAY BE DONE BY THE CONTRACTOR USING THE EQUAL FRICTION METHOD FOR DUCT SIZING. 5. ALL AIR CONDITIONING SUPPLY AND RETURN DUCTWORK SHALL BE INSULATED WITH 1 1/2" 1 R-6, MANUAL VOLUME DAMPER WRAP INSULATION WITH VAPOR BARRIER, EXCEPT FOR THE EXPOSED DUCT, (IF ANY) WHICH SHALL BE INTERNALLY INSULATED. T5 TEMPERATURE SENSOR 6. FLEXIBLE DUCT SHALL BE CONSIST OF SPRING STEEL HELIX WIRE ON 7/8- CENTERS, ENCAPSULATED IN A CONTINUOUS SOFT VINYL FILM, JOINED BY MOLECULAR WELDING TO FORMAN AIR TIGHT INNER CORE. EXHAUST FAN THE CORE SHALL BE INSULATED WITH FIBERGLAS INSULATION (R-6), AND SHEATHED IN A REINFORCED, ALUMINUM METALIZED POLYESTER VAPOR BARRIER JACKET. PROVIDE SPIN—IN COLLAR WITH VOLUME MOTORIZED DAMPER DAMPER AND EXTRACTOR WHERE FLEX DUCT IS CONNECTED TO RECTANGULAR DUCTWORK. DAMPER ACTUATOR SHALL BE EXTENDED OUTSIDE INSULATION ON 1 HIGH MOUNTING BRACKET. FIRE DAMPER 7. NOT USED. 8. CONTRACTOR SHALL SUBMIT SHOP DRAWINGS OF ALL MATERIALS AND EQUIPMENT FOR APPROVAL POINT OF CONNECTION NEW TO EXISTING PRIOR TO FABRICATION ANY ORDERING OF ANY EQUIPMENT OR MATERIALS. DUCTWORK SHOP 49R DRAWINGS SHALL BE AT 1 SCALE. CO2 OCCUPANCY SENSOR ^PNLIrr% A ^.r^r% ell I A I I P%Mr AILS r-all I ILlr^n►JA'rIf%LI nrf%Anr%lUf% Mrt%flt IADI'rlrC ALM I ILAIYATI^LIC r%r �tq _jjjAter • lam SJUNVAMIZIMAiN • MORCCISImil VA I'll-011,416V THE BUILDING. 300 CFM 19®0 (0) co) ••IN too c �O glammilligg Al l, * W. A Im z 0 Z Q) 4�7 61 cd - Ax (N 004 cq 7�- 0 0 0 co 'AJ U) C.0 tu Lu rL z 0 Q) cd - Lo C�3 F F_ (5 P4 0 0 0 co Z f.4 C.0