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GENERAL NOTES-MECHANICAL SHEET METAL NOTES AREA OF WORK
<br /> 1. REFERENCE TO RELATED WORK:"REF"INDICATIONS DENOTE WORK COVERED ELSEWHERE(ARCHITECTURAL, 1. REFERENCE:SMACNA HVAC DUCT CONSTRUCTION STANDARDS,METAL AND FLEXIBLE,CURRENT EDITION. p
<br /> STRUCTURAL,CIVIL,ELECTRICAL,LANDSCAPE,OR KITCHEN),OR ITEM BASED ON A SPECIFIC MANUFACTURER'S -
<br /> DIMENSIONS(VERFY). 2. CLEARANCE:COORDINATE DUCTWORK WITH MISCELLANEOUS OBSTRUCTIONS IN CEILING SPACE. °
<br /> 2. CODES:COMPLETE INSTALLATION OF THE MECHANICAL SYSTEM SHALL BE PER THE APPLICABLE BUILDING,MECHANICAL, 3. ROUND ELBOWS AND OFFSETS:FULL RADIUS(RID=1.5),5-PIECE SEGMENTED OR STAMPED.REFER TO SMACNA HVAC FIG
<br /> ENERGY,PLUMBING,FIRE,AND HEALTH CODES AND REGULATIONS AS ADOPTED BY THE LOCAL AHJ. 2-7,3-3.DO NOT USE ANGLED OFFSET(TYPE 1).MITERED OFFSET(TYPE 2)MAY BE USED UP TO 30 DEGREE OFFSET ANGLE. `
<br /> 3. MECHANICAL CONTRACTOR SHALL LOCATE AND COORDINATE EXACT LOCATION OF ALL MECHANICAL EQUIPMENT WITHIN 4. ROUND TEES AND LATERALS:CONICAL TEE PER SMACNA HVAC FIG 3-5;DO NOT USE STRAIGHT TEE;DO NOT USE CONICAL
<br /> THE STRUCTURE. SADDLE TAP FOR EXPOSED DUCTWORK IN FINISHED SPACES.90-DEGREE TEE WITH OVAL TO ROUND TAP,LATERAL,AND '
<br /> 45-DEGREE RECTANGULAR
<br /> 4 BEGINNING OF CONSTRUCTION.ACCESS DOORS: ICCESS DOORS N IRE NATE WITH
<br /> RATED STRUCTURE SHALL BE FI
<br /> R LOCATE ALL ACCESS DOORS ON E E RAP D DRAWINGS VERIFY ACCESS N F C
<br /> S DOOR 5. RECTANGULAR ELBOWS D SETS:FULL RADIUS WHERE SPACE PERMITS,RMW=1.5;OTHERWISE USE SQUARE
<br /> LOCATIONS WITH GENERAL CONTRACTOR PRIOR TO BIDDING. CORNER ELBOW WITH TURNING VANES.
<br /> 5. RATED PENETRATION:DUCT PENETRATIONS THROUGH RATED ENCLOSURES SHALL BE FIRE/SMOKE DAMPERED PER THE 6. RECTANGULAR DIVIDED FLOW FITTINGS:USE GENERALLY,EXCEPT BRANCHES TO TERMINALS;SMACNA HVAC FIG 2-5,
<br /> LATEST EDITION OF THE UNDERWRITERS LABORATORIES(UL)FIRE RESISTANCE WITH HOURLY RATINGS FOR TYPES 1,2,4A,AND 4B.DO NOT USE TYPE 3.
<br /> THROUGH-PENETRATION FIRE STOPS SYSTEM VOLUME#2,OR SHALL BE INSTALLED IN STRICT ACCORDANCE WITH THE
<br /> MANUFACTURER'S UL LISTINGS(3M OR EQUIVALENT).DETERMINE REQUIREMENTS WITH GENERAL CONTRACTOR PRIOR TO 7. TURNING VANES:H.E.P.MANUFACTURER OR APPROVED HIGH EFFICIENCY PROFILE AIRFOIL TYPE FOR RECTANGULAR y o
<br /> BID. SQUARE THROAT ELBOWS.ACOUSTICAL TYPE FOR RETURN AIR MITERED ELBOWS.
<br /> 6. EXHAUST OUTLETS:SOURCE-SPECIFIC FANS SHALL BE VENTED TO OUTDOORS WITH A MINIMUM T CLEARNCE BETWEEN 8. TAKEOFFS TO OPENINGS:CONICAL TYPE WITH VOLUME DAMPER FOR ROUND DUCT BRANCHES PER SMACNA HVAC FIG 2-6, VICINITY PLAN OQ a
<br /> VENT OUTLETS AND BUILDING OPENINGS,AND 1U MINIMUM BETWEEN VENT OUTLETS AND MECHANICAL AIR INTAKES. MINIMUM INLET DIAMETER 2INCHES LARGER THAN DUCT SIZE.45 DEGREE ENTRY FITTING FOR RECTANGULM AR DUCT
<br /> BRANCHES PER SMACNA HVAC FIG 2-6. N D w
<br /> 7. EXPOSED PIPING:PROVIDE CHROME PLATING FOR EXPOSED PIPING IN FINISHED ROOMS.
<br /> 9. FLEXIBLE CONNECTIONS:PROVIDE AT EACH DUCT CONNECTION TO FANS,PACKAGED HVAC EQUIPMENT,EXTERNALLY PROPERTY ADDRESS
<br /> 8. PENETRATIONS:PROVIDE ESCUTCHEON PLATES FOR EXPOSED PIPING PENETRATIONS AND SHEET METAL FLASHING FOR ISOLATED AIR HANDLING UNITS,FAN COIL UNITS,AND SIMILAR EQUIPMENT.EXCEPTION:EQUIPMENT IN CORRIDOR SUITE 501
<br /> EXPOSED DUCTWORK PENETRATIONS. CEILING SPACES WHERE FIRE RATING IS REQUIRED. 906 SE EVERETT MALL WAY
<br /> EVERETT,WA 98208
<br /> 9. SHAFT AND PLENUM CONNECTIONS:SEAL CONNECTIONS TO AIR SHAFTS AIRTIGHT.PROVIDE AIRTIGHT SEAL AROUND HVAC NOTES p
<br /> PENETRATIONS IN AIR PLENUMS. ASSESSORS PARCEL NUMBER
<br /> 1. ATTACHMENTS:AIR DISTRIBUTION OUTLETS AND LOUVERS SHALL HAVE ALL REQUIRED ACCESSORIES AND ATTACHMENTS 28051800308500
<br /> 10. LIGHT FIXTURE CLEARANCE:COORDINATE LOCATIONS OF MECHANICAL WORK TO PROVIDE CLEARANCES OVER LIGHTING FOR A COMPLETE CONNECTION TO THE SPECIFIC TYPE OF STRUCTURE THAT THEY ARE BEING ATTACHED TO.THIS
<br /> FIXTURES FOR REMOVAL AND REPLACEMENT. INCLUDES,BUT IS NOT LIMITED TO,EXTERIOR BRICKS,GWB WALLS,GWB CEILING,ETC. LEGAL DESCRIPTION p[1ppp0
<br /> SECTION 18 TOWNSHIP 28 RANGE 05 QUARTER SW LOT C OF J qCk
<br /> 11. MOTORS:COMPLY WITH ENERGY CODE ENFORCED BY NJ FOR MINIMUM EFFICIENCIES UNDER FULL LOAD. 2. DUCTWORK:DUCTWORK SHALL BE SMOOTH SHEET METAL(CLASS-1).DUCTWORK THROUGH FIRE RATED STRUCTURE AND EVERETT MALL OFFICE PARK 4 BSP REC BOOK 1 OF BSP PG .415
<br /> :
<br /> FLOOR SHALL BE MIN.26 GA.STEEL.MAXIMUM LENGTH OF FLEXIBLE DUCTS SHALL BE 6-W,UNLESS OTHERWISE NOTED ON 258-259 AF 9205295004&BEING PTN SE114 SW1/4&AMEND PER
<br /> 12. ACCESS CLEARANCES FOR MAINTENANCE AND REPLACEMENT:VERIFY PHYSICAL DIMENSIONS OF EQUIPMENT TO ENSURE DRAWINGS.DUCTWORK SIZES SHOWN ARE INSIDE CLEAR DIMENSIONS. AF 9206235002
<br /> THAT ACCESS CLEARANCES CAN BE MET.COORDINATE LOCATIONS OF MECHANICAL WORK AND WORK OF OTHER TRADES - p
<br /> TO PROVIDE ACCESS CLEARANCES FOR SERVICE AND MAINTENANCE. 3. VOLUME DAMPERS:PROVIDE AN ACCESSIBLE MANUAL VOLUME DAMPER FOR EACH SUPPLY,RETURN,OSA,AND EXHAUST APPLICABLE CODES p
<br /> OPENING,LOCATED AS FAR UPSTREAM AS POSSIBLE FROM THE OPENING.PROVIDE A MANUAL VOLUME DAMPER FOR 2021 WASHINGTON STATE BUILDING CODE(WSBC) ' iS° E°' �QO
<br /> COORDINATION REQUIREMENTS BRANCH MAINS SERVING MORE THAN ONE OPENING.VOLUME DAMPERS IN NON-ACCESSIBLE CEILINGS SHALL HAVE A 2021 WASHINGTON STATE MECHANICAL CODE(WSMC) F,$S/�A.L E
<br /> CONTROL ARM EXTENDED TO AN ACCESSIBLE LOCATION. 2021 WASHINGTON PLUMBING CODE(WPC) �pppppap��5�2
<br /> 1. PIPING:COORDINATE WITH STRUCTURAL FOR EXACT LOCATION OF ALL STRUCTURAL FRAMING AND FOOTINGS AND 2020 NATIONAL ELECTRIC CODE(NEC) 1
<br /> FINALIZE THE EXACT ROUTING OF ALL PIPES WITH STRUCTURAL AND AT THE SITE PRIOR AND DURING THE 4. SEISMIC:PROVIDE SEISMIC RESTRAINTS FOR MECHANICAL EQUIPMENT,PIPING,AND DUCTWORK PER SMACNA AND LOCAL 2021 WASHINGTON STATE ENERGY CODE(WSEC)
<br /> CONSTRUCTION. REGULATIONS.
<br /> SCOPE OF WORK
<br /> 2. DUCTWORK:LOCATE AND COORDINATE THE EXACT LOCATION OF DUCTWORK WITH STRUCTURAL PLANS AND WITH THE 5. FILTER CLEARANCE:PROVIDE ADEQUATE CLEARANCE FOR CHANGING AIR FILTERS. DUCTWORK MODIFICATIONS IN EXISTING OFFICE SPACE TO
<br /> GENERAL CONTRACTOR PRIOR TO INSTALLATION OF ANY STRUCTURE OR EQUIPMENT.COORDINATE WITH FRAMING ACCOMMODATE REVISED FLOOR PLAN.
<br /> CONTRACTOR TO ASSURE JOIST SPACES LINE UP WHEN DUCTWORK MUST PASS THROUGH DIFFERENT JOIST SPACES. 6. DUCTWORK AND PIPING OUTSIDE OF MECHANICAL ROOMS SHALL BE CONCEALED,COORDINATE WITH THE GENERAL y
<br /> CONTRACTOR TO FUR-OUT AS REQUIRED. rj
<br /> C
<br /> 3. ADJUSTMENTS:ALL EQUIPMENT,MOTORS,FANS GAS BURNERS,IGNITION DEVICES,DRIVES,ETC.SHALL BE ADJUSTED AND ti
<br /> BALANCED TO OPERATE AT SPECIFIED RATINGS AS REQUIRED FOR THIS PROJECT SITE AND ACCOUNTING FOR ELEVATION 7. FIRE RATINGS:RATED FLOOR/CEILING JOINT SPACES HAVING DUCTWORK INSIDE THEM SHALL BE FIREISMOKE PROTECTED DRAWING INDEX W � w
<br /> ABOVE SEA LEVEL. TO MAINTAIN THE 1-HOUR FLOOR/CEILING RATING PER LOCAL JURISDICTIONS.EXHAUST DUCTWORK PENETRATING THE DWG DESCRIPTION
<br /> 1-HOUR ROOF/CEILING OR FLOOR/CEIUNG ASSEMBLY SHALL HAVE ACCESSIBLE CEILING FIRE DAMPERS.ALTERNATIVELY, M000 GENERAL NOTES,DRAWING INDEX ~ r w
<br /> 4. APPROVALS:MECHANICAL AND PLUMBING EQUIPMENT SHALL BE APPROVED FOR INSTALLATION IN THE PROJECT LOCATION THE EXHAUST DUCTWORK SHALL BE ROUTED INSIDE A RATED SHAFT TO PROTECT THE CEILING/ROOF RATING PER THE Z t5 Ez
<br /> AND SHALL HAVE ALL CERTIFICATIONS AND RATINGS TO MEET ALL ENERGY,POLLUTION,ENVIRONMENTAL,SEISMIC,ETC. LOCAL JURISDICTIONS. M001 SCHEDULES U w r
<br /> CODES AND REGULATIONS.THE CONTRACTOR SHALL COORDINATE WITH HIS MANUFACTURE SUPPLIERS AND SHALL i
<br /> M100 DEMO PLAN F w
<br /> INCLUDE ALL COSTS REQUIRED TO MEET THESE REQUIREMENTS IN HIS BID. 8. R PIPE,DUCT AND CONDUIT PENETRATIONS THROUGH RATED ASSEMBLIES SHALL BE FIRE AND SMOKE STOPPED P CODE N
<br /> PER CODE. M200 MECHANICAL PLAN
<br /> PIPING NOTES Z w U
<br /> 9. DUCTWORK:DUCTWORK SHALL BE SMOOTH SHEET METAL(CLASS-1).DUCTWORK THROUGH FIRE RATED STRUCTURE AND =
<br /> 1. DISASSEMBLY PROVISIONS:PROVIDE UNIONS OR FLANGES AT PIPING CONNECTIONS TO EQUIPMENT,COILS,TRAPS, FLOOR SHALL BE MIN.26 GA.STEEL.MAXIMUM LENGTH OF FLEXIBLE DUCTS SHALL BE 5-0"UNLESS OTHERWISE NOTED ON V 0
<br /> CONTROL VALVES,AND OTHER COMPONENTS TO ALLOW DISASSEMBLY FOR MAINTENANCE. DRAWINGS.DUCTWORK SIZES SHOWN ARE INSIDE CLEAR DIMENSIONS. W z z
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<br /> 2. REDUCERS:PROVIDE AS REQUIRED FROM LINE PIPE SIZE TO EQUIPMENT,TRAP,COIL,AND CONTROL VALVE CONNECTION 10. VOLUME DAMPERS:PROVIDE AN ACCESSIBLE MANUAL VOLUME DAMPER FOR EACH SUPPLY,RETURN,OSA AND EXHAUST a U
<br /> SIZES. OPENING,LOCATED AS FAR UPSTREAM AS POSSIBLE FROM THE OPENING.PROVIDE A MANUAL VOLUME DAMPER FOR
<br /> BRANCH MAINS SERVING MORE THAN ONE OPENING.VOLUME DAMPERS IN NON-ACCESSIBLE CEILING SHALL HAVE A I
<br /> BRANCH i
<br /> 3. OFFSETS:PROVIDE FOR BRANCH LINES TO EQUIPMENT. CONTROL ARM EXTENDED TO AN ACCESSIBLE LOCATION.PROVIDE"YOUNG"REGULATOR OR EQUAL.EXACT LOCATION OF OO ~
<br /> CONTROL DEVICES VISIBLE IN FINISHED SPACES SHALL BE COORDINATED WITH THE ARCHITECT. V
<br /> 4. DIELECTRIC UNIONS:PROVIDE AT CONNECTIONS OF DISSIMILAR PIPE.
<br /> 11. ALL DUCTWORK SHALL BE CONSTRUCTED AND SEALED PER IMC.ALL DUCTWORK SHALL BE LOW PRESSURE UNLESS
<br /> 5. REFRIGERANT PIPING:PROVIDE SIZING&INSTALLATION IN STRICT ACCORDANCE WITH MANUFACTURER'S INSTRUCTIONS. NOTED OTHERWISE.
<br /> 6. CONDENSATE DRAIN:PROVIDE A P-TRAP FOR EACH HVAC UNIT CONDENSATE PAN WITH PLUG TEES FOR CLEANING. WA STATE ENERGY CODE
<br /> CONDENSATE DRAINS SHALL BE DISCHARGED TO AN INDIRECT WASTE OR OUTSIDE.
<br /> 1. HVAC THERMOSTATS SHALL BE SET TO MAINTAIN A MINIMUM DEADBAND OF 51F IN AREAS SERVED AS REQUIRED PER
<br /> INSULATION/LINING NOTES WSEC C403.4.1.2.
<br /> 1. ENERGY CODE:AS A MINIMUM,COMPLY WITH THICKNESSES AND TYPES LISTED IN ENERGY CODE ENFORCED BY AHJ. 2. PROVIDE DUCT INSULATION PER WSEC C403.10.1.2&WSMC 604. F N
<br /> 2. EXTENT OF INTERNAL DUCT LINING: 3. OUTDOOR AIR DUCTWORK SHALL MEET AIR LEAKAGE REQUIREMENTS OF WSEC C402.5 AND VAPOR RETARDER
<br /> A. GRILLE AND DIFFUSER BOXES AND BOOTS. REQUIREMENTS OF IBC. w
<br /> B. TRANSFER DUCTS. ~ a m w
<br /> C. THE FIRST 10 FEET OF SUPPLY AND RETURN DUCTWORK FROM THE AIR HANDLER. 4. MOTORIZED DAMPERS:PER WSEC C403.7.8.1 PROVIDE MOTORIZED DAMPERS ON ALL OUTSIDE AIR INTAKES,EXHAUST O
<br /> Y =
<br /> ti N F
<br /> OUTLETS AND RELIEF OUTLETS SERVING CONDITIONED SPACES WHICH CLOSE AUTOMATICALLY WHEN THE SYSTEM IS o O-U
<br /> 3. EXTENT OF EXTERNAL DUCT INSULATION: OFF.RETURN AIR DAMPERS SHALL BE EQUIPPED WITH MOTORIZED DAMPERS.SEE WSEC C403.7.8.1 FOR EXCEPTIONS AND Q z z z
<br /> A. SUPPLY AND RETURN AIR IN UNCONDITIONED SPACES,MECHANICAL ROOMS,ELECTRICAL ROOMS,AND EQUIPMENT ADDITIONAL REQUIREMENTS. J xa o
<br /> ROOMS NOT SPECIFIED TO BE INTERNALLY LINED.
<br /> B. SUPPLY AIR ABOVE CEILINGS OR EXPOSED NOT SPECIFIED TO BE INTERNALLY LINED. 5. OFF-HOUR CONTROLS:PER WSEC C403.4.2 FOR ALL OCCUPANCIES OTHER THAN GROUP R,EACH ZONE SHALL BE ui
<br /> C. OUTDOOR AIR INTAKE. PROVIDED WITH THERMOSTATIC SETBACK CONTROLS THAT ARE CONTROLLED BY EITHER AUTOMATIC TIME CLOCK OR (, Z z
<br /> PROGRAMMABLE CONTROL SYSTEM.EXCEPTIONS ZONES THAT WILL BE OPERATED CONTINUOUSLY.
<br /> 4. MISCELLANEOUS DUCT FITTINGS(CONICAL TAKEOFFS,ETC.):WRAP WITH INSULATION FOR CONDENSATION CONTROL. LL O
<br /> 6. BUILDING DOCUMENTATION AND CLOSE OUT SUBMITTAL REQUIREMENTS:PROJECT CLOSE OUT DOCUMENTATION AND LL
<br /> PLAN NOTES TRAINING OF BUILDING OPERATIONS PERSONNEL IS REQUIRED FOR ALL MECHANICAL COMPONENTS,EQUIPMENT AND O ♦/� Z
<br /> SYSTEMS PER WSEC C103.6. V,
<br /> 1. DUCTWORK SHALL BE METALLIC DUCTWORK J ^�
<br /> 7. COMMISSIONING:NEW MECHANICAL SYSTEMS SHALL BE COMMISSIONED BY CERTIFIED COMMISSIONING PROFESSIONAL J ¢ M W
<br /> 2. TEST AND BALANCE WORK SHALL BE PERFORMED BY AN INDEPENDENT TEST AND BALANCE AGENCY.PROVIDE(3)COPIES PER WSEC C408.1. c �' W W
<br /> OF TEST AND BALANCE REPORT TO OWNER. G J O Z_
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<br /> 3. COORDINATE DUCTWORK WITH MISCELLANEOUS OBSTRUCTIONS IN CEILING SPACE, U
<br /> 4. RESTROOM EXHAUST SHALL BE A MINIMUM OF 10'FROM ANY MECHANICAL OUTSIDE AIR INTAKES. �> W
<br /> 5. ROUTE DUCTWORK UNDERNEATH JOISTS UON. w
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<br /> 6. TRANSITION DUCT UNDER BEAMS AND DUCTS.FIELD VERIFY AVAILABLE CEILING CAVITY DIMENSIONS. >LLJ rn w
<br /> 7. COORDINATE MOUNTING HEIGHT OF DIFFUSERS WITH ARCHITECTURAL PLANS.
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<br /> 8. CONTRACTOR SHALL PROVIDE TESTING AND BALANCING REPORT TO INSPECTORAT FINAL INSPECTION. o'
<br /> o:
<br /> PROJECT#:
<br /> 931-060
<br /> SHEET TITLE:
<br /> GENERAL NOTES,
<br /> DRAWING INDEX
<br /> SHEET Na
<br /> M000
<br /> L City of Everett Permit Services
<br /> EVERETT Reviewed for Permit 11/26/2024
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