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<br /> ' ea ACOFFMAN
<br /> ENGINEERS
<br /> 135 W.Fairhaven Ave
<br /> Suite 102
<br /> Burlington,WA 98233
<br /> GENERAL HVAC NOTES SPECIFICATIONS ph 360.707.5656
<br /> DIVISION 23-HEATING VENTILATION AND AIR CONDITIONING www.coffman.com
<br /> 1. SHEET METAL DUCTWORK AND COMPONENTS INCLUDING HANGING, HANGERS AND SUPPORTS FOR HVAC,PIPING AND EQUIPMENT
<br /> SEALING,PLENUMS,&ACCESSORIES SHALL BE CONSTRUCTED IN STRICT
<br /> ACCORDANCE WITH THE LATEST EDITION OF SMACNA STANDARDS FOR • HANGERS,BRACKETS,ANCHORS AND MISCELLANEOUS SUPPORTS SHALL BE PROVIDED
<br /> BRACEAC ALLUCT CONSTRUCTIONDLARGER WHICHARE SUSPENDEDARDS.EARTHQUAKE FOR THE INSTALLATION OF ALL PIPING AND HVAC EQUIPMENT. D C, BRAT
<br /> D ALL DUCTS 28"DIA AND LARGER ARE MORE • SUPPORTING DEVICES SHALL BE ATTACHED TO CEILING,WALLS AND FLOORS BY BOLTS ,�,A pt 0
<br /> THAN 12"BELOW STRUCTURAL SYSTEM. AND FASTENERS. Q.y
<br /> 2. PROVIDE EARTHQUAKE RESTRAINT FOR HVAC EQUIPMENT IN ACCORDANCE • PIPE HANGERS AND VERTICAL SUPPORT SPACING SHALL BE IN COMPLIANCE WITH THE " $tt` _
<br /> WITH THE CURRENT IBC 1613. 2018 INTERNATIONAL MECHANICAL CODE. '� A ,
<br /> 3. ALL DUCTWORK OPENINGS SEATO SHALL BE OPEN DURING CONSTRUCTION. • ROUNTS,EQUIRE TSANCHORS AND BRACINGRESHALLP MEET 2016 I.B.0 AND I.M.C. SEISMIC
<br /> ALL DAMPERS TO BE SET TO FULL OPEN DURING CONSTRUCTION PRIOR TO REQUIREMENTS AND MANUFACTURER'S SPECIFICATIONS.
<br /> BALANCING. �llM11�
<br /> VIBRATION AND SEISMIC CONTROLS FOR HVAC
<br /> 4. PROVIDE UL LISTED FLEXIBLE CONNECTION ON INTAKE AND DISCHARGE OF
<br /> ALL MECHANICAL EQUIPMENT.HVAC UNIT FLEXIBLE DUCT CONNECTIONS THE SEISMIC BRACING AND ANCHORAGE OF DUCTWORK AND EQUIPMENT SHALL BE 8124/22
<br /> SHALL BE MINIMUM OF 6 INCHES LONG AND HELD IN PLACE WITH HEAVY CONSTRUCTED WITH"GUIDELINES FOR SEISMIC RESTRAINTS OF MECHANICAL SYSTEMS
<br /> METAL BANDS,SECURELY ATTACHED TO PREVENT ANY LEAKAGE AT THE AND PLUMBING PIPING SYSTEMS",PUBLISHED BY SMACNA(MOST RECENT EDITION).
<br /> CONNECTION POINTS.FLEXIBLE CONNECTIONS SHALL BE FABRICATED
<br /> FROM APPROVED FLAME PROOF FABRIC CONFORMING TO NFPA90A. CONTROLS FOR HVAC
<br /> ASBESTOS CLOTH IS NOT ACCEPTABLE.
<br /> 5. CONTRACTOR SHALL PROVIDE TRANSITION TO CONNECT TO ALL A.RESPONSIBILITY
<br /> MECHANICAL EQUIPMENT. THE CONTROLS ARE TO BE PROVIDED AS PART OF A COMPLETE HVAC SYSTEM. _
<br /> 6. DUCT DIMENSIONS SHOWN ARE INSIDE SHEET METAL DIMENSIONS OR B. SPECIFICATIONS
<br /> CLEAR OPENING INSIDE LINED DUCT.THE FIRST NUMBER REPRESENTS THE • ALL CONTROLS SHALL BE IN ACCORDANCE WITH ALL APPLICABLE CODES INCLUDING
<br /> WIDTH OF DUCT IN PLAN VIEW. THE 2018 VERSIONS OF THE INTERNATIONAL CODES AND WASHINGTON STATE ENERGY
<br /> 7. ALL ELBOWS SHALL BE LONG RADIUS ELBOWS WHEREVER POSSIBLE OR CODE.
<br /> SHALL HAVE TURNING VANES WHERE INDICATED ON PLANS.NO SQUARE • ALL CRITERIA NOT SPECIFIED HEREIN,BUT NECESSARY FOR COMPLETE SYSTEMS
<br /> THROAT OR ZERO RADIUS ELBOWS ALLOWED. SHALL BE PROVIDED.
<br /> 8. ALL DUCT BRANCH CONNECTIONS TO DIFFUSERS OR GRILLES AND TO OR • THE CONTRACTOR IS RESPONSIBLE FOR INSTALLING THE CONTROLS PER
<br /> FROM MAIN DUCTS,SHALL INCLUDE MANUAL VOLUME DAMPERS.AU. MANUFACTURER'S INSTALLATION INSTRUCTIONS. LUNA MEXICAN GRILL
<br /> SPIN-IN FITTINGS SHALL BE CONICAL.RECTANGULAR BRANCH DUCT C.HVAC CONTROLS 6600 EVERGREEN WAY
<br /> TAKEOFFS SHALL HAVE 45°TAKEOFFS. • THE PLANS ARE SCHEMATIC BY NATURE AND DO NOT SHOW EVERY ASPECT OF THE
<br /> 9. PROVIDE CONCEALED OR REMOTE DAMPER REGULATORS OR ACCESS COMPONENTS AND CONTROLS OF THE SYSTEMS.THE CONTRACTOR SHALL SUBMIT TO EVERETT,WA
<br /> DOORS FOR ALL INACCESSIBLE.REFER TO ARCHITECTURAL DRAWINGS ORCELINGTYPES. DEMONSTRATE HOW ANUAL VOLUME DAMPERS LOCATED THAT ARE THE OWNER RTHE HVAC SYSTEM WILL BECONTROLLED.COMPONENTS AND ENOUGH FlC INFORMATION TO 98203
<br /> ALL FINAL ACCESS DOOR LOCATIONS SHALL BE APPROVED BY ARCHITECT
<br /> PRIOR TO INSTALLATION. D.EXECUTION C
<br /> • THE MECHANICAL CONTRACTOR SHALL COORDINATE AND PROVIDE INTERFACING C
<br /> 10.PROVIDE RETURN DUCT SMOKE DETECTOR AUTOMATIC SHUT DOWN OF ALL BETWEEN THE CONTROLS FURNISHED WITH INDIVIDUAL PIECES OF EQUIPMENT.
<br /> NEW HEATING,COOLING,OR VENTILATION EQUIPMENT MOVING 2,000 CFM
<br /> OR GREATER PER SECTION 606 OF THE CURRENT IMC.THE ELECTRICAL
<br /> CONTRACTOR SHALL PROVIDE POWER AND INTERLOCK WIRING TO THE DUCTING SYSTEMS:
<br /> BUILDING FIRE ALARM SYSTEM.BAS TO MONITOR FIRE ALARM CONTROL
<br /> PANEL AND SHUT DOWN ALL FAN TERMINAL UNITS DURING ANY BUILDING 1. RIGID DUCTWORK SHALL BE CONSTRUCTED,ERECTED,AND SEALED IN ACCORDANCE
<br /> FIRE ALARM EVENT,IN ACCORDANCE WITH THE CURRENT IMC 606.2.2. WITH THE 2018 INTERNATIONAL MECHANICAL CODE.(603)
<br /> 11.PIPING PENETRATIONS OF FIRE RATED WALLS OR FLOORS SHALL BE
<br /> SLEEVED AND FIRE STOPPED WITH LISTED MATERIALS SO AS TO MAINTAIN
<br /> THE INTEGRITY AND RATING OF THE FLOOR OR WALL 2. ALL RIGID HVAC DUCTWORK IS 2.0 INCH W.C.PRESSURE CLASSIFICATION(603.3)
<br /> 12.CONTRACTOR SHALL FURNISH COMBINATION STARTERS SIZED IN 3. RIGID DUCTWORK SHALL BE GALVANIZED MEETING SMACNA HVAC DUCT
<br /> ACCORDANCE WITH THE MOTOR RATING OF THE MECHANICAL EQUIPMENT. CONSTRUCTION STANDARDS-METAL AND FLEXIBLE.
<br /> STARTERS SHALL BE SUPPLIED WITH FUSES OR CIRCUIT BREAKERS,
<br /> CONTROL TRANSFORMER,OVERLOADS,ONE N.O.AND ONE N.C.AUXILIARY 4. RIGID DUCTWORK SHALL BE ALUMINUM FOR HIGH MOISTURE MEETING SMACNA HVAC
<br /> CONTACT AND H.O.A.SWITCH MOUNTED IN THE COVER.STARTER DUCT CONSTRUCTION STANDARDS-METAL AND FLEXIBLE.
<br /> ENCLOSURE SHALL BE NEMA RATED FOR ITS LOCATION.STARTER SHALL BE —
<br /> INSTALLED AND WIRED BY THE ELECTRICAL CONTRACTOR.MOTOR
<br /> STARTERS NOT LISTED AS BEING PROVIDED IN THE HVAC EQUIPMENT MECHANICAL INSULATION
<br /> SCHEDULES ARE TO BE PROVIDED BY ELECTRICAL CONTRACTOR.
<br /> 13.COORDINATE LOCATIONS OF ALL ROOM THERMOSTATS OR ROOM A. GENERAL
<br /> TEMPERATURE SENSORS WITH ARCHITECT PRIOR TO INSTALLATION.
<br /> 14.SUPPLY DUCTWORK 2"STATIC PRESSURE CLASS WITH ALL TRANSVERSE MANUFACTURERS:MANVILLE,OWENS-CORNING,CERTAINTEED,OR KNAUF.INSTALL
<br /> JOINTS,LONGITUDINAL SEAMS,AND DUCT WALL PENETRATIONS SEALED IN ACCORDANCE WITH MANUFACTURER'S INSTRUCTIONS.
<br /> (SMACNA SEAL CLASS A).SPIRAL LOCK SEAMS IN ROUND AND FLAT OVAL INSULATION THICKNESS:PER WSEC.
<br /> DUCTWORK DO NOT REQUIRE SEAUNG.
<br /> PERMIT
<br /> 15.EXHAUST AND RETURN DUCTWORK:2"STATIC PRESSURE CLASS WITH ALL B. INSULATION MATERIALS
<br /> TRANSVERSE JOINTS,LONGITUDINAL SEAMS,AND DUCT WALL
<br /> PENETRATIONS SEALED(SMACNA SEAL CLASS A).1"PRESSURE CLASS INDOOR PIPE INSULATION:FIBERGLASS PIPE INSULATION WITH ALL-SERVICE(VAPOR
<br /> ACCEPTABLE BETWEEN GRILLES AND FIRST DAMPER. BARRIER)JACKET SHALL BE PROVIDED FOR ALL PIPING SYSTEMS,EXCEPT
<br /> IS.GREASE DUCTWORK PRIOR TO CONCEALMENT BY FIRE-WRAP REFRIGERANT PIPING.FITTINGS SHALL BE MITERED SECTIONS OF INSULATION WITH
<br /> APPLICATION,PERFORM A LEAKAGE TEST IN ACCORDANCE WITH SECTION THE SAME THICKNESS AS ADJACENT PIPE INSULATION WITH FACTORY-PREMOLDED,
<br /> B 506.3 ONE-PIECE,UL LISTED(25/50)PVC FITTING COVERS.INSTALLATION MUST REFLECT B
<br /> CAREFUL WORKMANSHIP,AND BE NEAT IN APPEARANCE.VAPOR BARRIER SHALL BE
<br /> 17.MATERIALS WITHIN PLENUMS SHALL BE NONCOMBUSTIBLE OR SHALL BE SEALED AT ALL JOINTS ON COLD PIPING.
<br /> LISTED AND LABELED AS HAVING A FLAME SPREAD INDEX OF NOT MORE
<br /> THAN 25 AND A SMOKE-DEVELOPED INDEX OF NOT MORE THAN 50 WHEN OUTDOOR PIPE INSULATION:INSULATION AND FITTINGS SAME AS SPECIFIED FOR
<br /> TESTED IN ACCORDANCE WITH ASTM E 840R UL 723,EXCEPT AS NOTED IN INDOOR PIPE INSULATION.PROVIDE METAL JACKETS OF 0.016"ALUMINUM WITH
<br /> C SECTIONS 602,2.1.1 THROUGH 602.2.1.7 OF THE CURRENT IMC. INTEGRAL VAPOR RETARDER,SELF-SEALING,WATERTIGHT METAL BANDS FOR BUTT
<br /> a JOINTS.SEAL JOINTS WITH ALUMINUM PIGMENTED VAPOR RETARDER MASTIC,
<br /> Eli FOSTER 60-65,OR APPROVED EQUIVALENT.
<br /> ROOF DRAIN BODY INSULATION:FLEXIBLE FIBERGLASS BLANKET CONFORMING TO
<br /> ASTM C 553,TYPE I,AND NOMINAL DENSITY NOT LESS THAN 1 LB.PER CUBIC FOOT,
<br /> COVERED WITH 8-OUNCE CANVAS AND VAPOR RETARDER CEMENT.
<br /> REFRIGERANT PIPING INSULATION:3/4"THICK IMCOA"IMCOLOCK"OR"IMCOSHIELD" REV DATE DESCRIPTION
<br /> INSULATION ON ALL REFRIGERATION GAS PIPING,AND ALL OUTDOOR
<br /> REFRIGERANT LIQUID PIPING.NOT FOR USE ON OTHER PIPING SYSTEMS.PROVIDE
<br /> METAL JACKETS OF 0.016"ALUMINUM ON OUTDOOR INSULATION. PROJ.NO. 221999
<br /> Li
<br /> a DUCT AND PLENUM INSULATION:FIBERGLASS,0.75-POUND DENSITY,FLEXIBLE DUCT DRAWN NH
<br /> INSULATION WITH KRAFT VAPOR BARRIER.VAPOR BARRIER SHALL BE SEALED AT ALL
<br /> 5 JOINTS AND ACCESS DOORS,ETC.IN GENERAL,INSTALLATION MUST REFLECT CHECKED TB
<br /> CAREFUL WORKMANSHIP,NEAT IN APPEARANCE.
<br /> DATE 08/24/2022
<br /> ©COFFMAN ENGINEERS INC.
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<br /> SHEET TITLE:
<br /> MECHANICAL
<br /> S SPECIFICATIONS
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