M-001.pdf

21-1180 Sheet No.:

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Job No:

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Date:

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GENERAL SYMBOLS HVAC ABBREVIATIONS HVAC SYMBOLS DUCT & FITTING SYMBOLS GENERAL NOTES

OREGON ENERGY CODE COMPLIANCE NOTES

MECHANICAL DRAWING INDEX

SHEET NO. SHEET DESCRIPTION

M-001 MECHANICAL LEGEND, NOTES, AND SYMBOLES

M-301

M-501 MECHANICAL SCHEDULES AND DETAILS

MECHANICAL FLOOR PLAN

M-001

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M-201 MECHANICAL DEMO PLAN

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RENEWS: DECEMBER 31, 2022

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OREGON

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(NUMERICAL) DESIGNATION

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INDICATES ITEMS TO

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THERMOSTAT OR TEMP.

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HUMIDISTAT OR

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SECTION DESIGNATION

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SHEET NUMBER

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GENERAL BREAK

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ON DEMOLITION PLANS,

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LINE BREAK

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KEYED NOTE

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EQUIPMENT TAG

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EQUIPMENT NUMBER

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SHEET NUMBER

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POINT OF NEW CONNECTION

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WYE

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END CAP

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DUCT SLOPE UP (RISE)

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DUCT SLOPE DOWN (DROP)

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EXISTING

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DUCT SMOKE

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DIOXIDE SENSOR

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STATIC PRESSURE

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OR

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OUTLET / INLET TAG

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AIRFLOW, CFM

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REGISTER, OR DIFFUSER

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A FIRE RATED GRILLE,

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REGISTER OR GRILLE

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WALL OR DUCT

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TRANSITION

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%%U SINGLE LINE

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%%U DESCRIPTION

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BD

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DIRECTION

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FLEXIBLE DUCT

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DIFFUSER

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AD

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FSD

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FD

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FIRE/SMOKE DAMPER

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VOLUME DAMPER

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COMBINATION

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DUCT WITH INTERNAL

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ACOUSTICAL INSULATION

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SQR

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RND

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OPPOSED BLADE

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FLEXIBLE DUCT

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SMOKE

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SECTION (LETTER) OR DETAIL

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REVISION NUMBER

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RECTANGULAR TEE-

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90%%127 MITERED ELBOWS

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W/ TURNING VANES

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90%%127 OR 45%%127 LONG RADIUS

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ELBOW, R=1.5 DIA OR

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WIDTH (ROUND OR

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RECTANGULAR DUCT)

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CONICAL TAKEOFF

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(ROUND/OVAL DUCT)

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45%%127 LATERAL TAKEOFF

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(ROUND/OVAL DUCT)

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CONICAL SPIN-IN FITTING

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WITH VOLUME DAMPER

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(ROUND BRANCH TAKEOFF

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FROM RECTANGULAR MAIN)

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STRAIGHT SPIN-IN FITTING

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WITH VOLUME DAMPER

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(ROUND BRANCH TAKEOFF

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FROM RECTANGULAR MAIN)

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LATERAL HIGH EFFICIENCY

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TAKE-OFF FITTING W/VD

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(SQR TO RND TAKEOFF

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FROM RECT. MAIN)

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FLANGED TAKEOFF

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(RECTANGULAR DUCT)

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SQUARE TO ROUND

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TRANSITION

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EXHAUST DUCT DOWN

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OR SECTION

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EXHAUST DUCT UP

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OR SECTION

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RETURN OR OSA

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DUCT DOWN OR SECTION

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RETURN OR OSA

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DUCT UP OR SECTION

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SUPPLY DUCT DOWN

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OR SECTION AWAY

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SUPPLY DUCT UP

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OR SECTION

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FLAT OVAL

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DUCT

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RECTANGULAR DUCT SIZE

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FIRST NUMBER INDICATES

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VISIBLE DIMENSION AND

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SECOND NUMBER INDICATES

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HIDDEN DIMENSION.

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SENSOR

AutoCAD SHX Text NOTE: ABBREVIATIONS AND SYMBOLS ARE : ABBREVIATIONS AND SYMBOLS ARE MARQUESS & ASSOCIATES, INC. STANDARDIZED SYMBOL LEGENDS. AS SUCH, ALL SYMBOLS SHOWN MAY NOT APPEAR ON OR WITHIN THIS SET OF CONTRACT DOCUMENTS.

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POINT OF CONTINUATION

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ACCESS

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DOOR

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FIRE DAMPER

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BACKDRAFT

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DAMPER

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DAMPER

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MOTORIZED

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DAMPER

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PARALLEL BLADE

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DAMPER

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CONNECTION

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OF AIRFLOW

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SUPPLY

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GRILLE

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RETURN

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GRILLE

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EXHAUST

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DIFFUSER

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LINEAR

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MITERED ELBOW

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W/ TURNING VANES

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ROUND DUCT DIAMETER

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D, OR W

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RECTANGULAR

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SD

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SP

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CO

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ES

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EMERGENCY

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HUMIDITY SENSOR

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DETECTOR

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DETECTOR

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SENSOR

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CARBON

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SWITCH

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PREFIX (F) INDICATES

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NEW LOCATION

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CAP FOR FUTURE

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REMOVE

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RELOCATE

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EXISTING

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NEW

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BE REMOVED

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AutoCAD SHX Text ACTUAL AIR - CUBIC FEET PER MINUTE AIR CHANGES PER HOUR ACCESS DOOR ABOVE FINISH FLOOR AIR HANDLING UNIT ALUMINUM ACCESS PANEL ARCHITECT OR ARCHITECTURAL BACKDRAFT DAMPER BUILDING BEAM BOTTOM OF DUCT BOTTOM OF PIPE BOTTOM OF STEEL BRITISH THERMAL UNIT CUBIC FEET PER MINUTE CEILING CONSTRUCTION CONSTANT VOLUME DRY BULB DIAMETER DOWN DRAWING DIRECT EXPANSION (REFRIGERATION) EXHAUST AIR ENTERING AIR TEMPERATURE ELECTRICAL CONTRACTOR ELEVATION EXTERNAL STATIC PRESSURE ENTERING WATER TEMPERATURE EXHAUST FLEXIBLE CONNECTION FIRE DAMPER FIRE EXTINGUISHER FIRE EXTINGUISHER CABINET FULL LOAD AMPS FLOOR FLAT ON BOTTOM FLAT ON TOP FEET PER MINUTE COMBINATION FIRE/SMOKE DAMPER GALVANIZED STEEL GENERAL CONTRACTOR GALLONS PER MINUTE GRILLES, REGISTERS, DIFFUSERS HUMIDISTAT HIGH EFFICIENCY PARTICULATE AIR MOTOR HORSEPOWER HEATING, VENTING AND AIR CONDITIONING POUND, POUNDS LEAVING AIR TEMPERATURE LEAVING WATER TEMPERATURE MIXED AIR MAXIMUM THOUSAND BTU PER HOUR MECHANICAL CONTRACTOR MINIMUM CIRCUIT AMPACITY MECHANICAL MANUFACTURER MINIMUM MAXIMUM OVERCURRENT PROTECTION NOISE CRITERIA NORMALLY CLOSED NATURAL GAS NOT IN CONTRACT NORMALLY OPEN NOT TO SCALE OPPOSED BLADE DAMPER ON CENTER OUTSIDE AIR PARALLEL BLADE DAMPER POUNDS PER SQUARE INCH PRESSURE/TEMPERATURE PLUG POLYVINYL CHLORIDE RETURN AIR RECTANGULAR REVOLUTIONS PER MINUTE REQUIRED SUPPLY AIR STANDARD AIR - CUBIC FEET PER MINUTE SMOKE DAMPER SQUARE FEET SIMILAR SHEET METAL SHEET METAL AND AIR CONDITIONING CONTRACTORS NATIONAL ASSOCIATION STATIC PRESSURE SPECIFICATION OR SPECIFIED STAINLESS STEEL STANDARD THERMOSTAT TEMPERATURE CONTROLS TEMPERATURE TOP OF STEEL TYPICAL UNLESS NOTED OTHERWISE VARIABLE AIR VOLUME VOLUME DAMPER VARIABLE FREQUENCY DRIVE WATER COLUMN WET BULB

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OUTSIDE AIR DUCT DOWN

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OR SECTION

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OUTSIDE AIR DUCT UP

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OR SECTION

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2. MECHANICALLY FASTEN CONNECTIONS BETWEEN METAL DUCTS AND THE INNER CORE OF FLEXIBLE DUCTS. ALL JOINTS, LONGITUDINAL AND TRANSVERSE SEAMS, AND CONNECTIONS IN DUCTWORK, SHALL BE SECURELY FASTENED AND SEALED WITH WELDS, GASKETS, MASTICS (ADHESIVES), MASTIC-PLUS-EMBEDDED-FABRIC SYSTEMS, OR TAPES IN ACCORDANCE WITH UL 181A OR UL 181B.

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3. AN OPERATING AND MAINTENANCE MANUAL SHALL BE PROVIDED TO THE BUILDING OWNER BY THE MECHANICAL CONTRACTOR. PROVIDE WITHIN 30 DAYS OF SYSTEM ACCEPTANCE. SEE ASHRAE 90.1-2016 SECTION 6.7 FOR ADDITIONAL REQUIREMENTS.

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1. THERMOSTATS SHALL BE PROGRAMMED SO THERE IS A 5 DEGREE F DEADBAND BETWEEN HEATING AND COOLING.

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11. SUPPLY AND RETURN DUCTS LOCATED ON THE EXTERIOR PART OF THE BUILDING ENVELOPE (INCLUDING ATTICS ABOVE INSULATED CEILING, PARKING GARAGES, AND CRAWLSPACES) SHALL BE INSULATED WITH FIBERGLASS DUCT WRAP FACED WITH OUTER FOIL BLANKET HAVING A MINIMUM INSTALLED R-VALUE OF 8.0. DUCTS LOCATED ON THE EXTERIOR PART OF THE BUILDING SHALL BE PROTECTED FROM THE ELEMENTS BY ALUMINUM, SHEET METAL, PAINTED CANVAS, OR PLASTIC COVER.

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4. CONTRACTOR TO SECURE, MAINTAIN, AND PAY FOR ALL REQUIRED LICENSES AND INSPECTIONS FOR DURATION OF WORK UNLESS DIRECTED OTHERWISE.

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8. SHEET METAL DUCT SIZES SHOWN ARE NET CLEAR INSIDE DIMENSIONS. WHEN INTERNAL INSULATION IS REQUIRED, DUCT SIZE SHALL BE INCREASED TO PROVIDE NET CLEAR DIMENSIONS INDICATED.

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7. ALL DUCTWORK SHALL BE GALVANIZED STEEL, ROUND OR RECTANGULAR. SUPPORT PER SMACNA DUCT CONSTRUCTION STANDARDS AND INSTALL IN CONFORMANCE TO MECHANICAL CODES. FLEXIBLE DUCTS SHALL BE INSULATED NONMETALLIC, FORM "NM-IL", MAXIMUM LENGTH OF 5'-0" AT DIFFUSER OR GRILLE CONNECTION. BUTTERFLY BALANCING DAMPERS WHERE SHOWN OR REQUIRED, ROUND OR RECTANGULAR, GALVANIZED SHEET METAL, WITH EXTERNAL INDICATING QUADRANT AND SETSCREW. PROVIDE TURNING VANES FOR ALL RECTANGULAR ELBOWS.

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9. SUPPLY AND RETURN DUCTS LOCATED IN CONDITIONED SPACES DO NOT REQUIRE INSULATION. 10. SUPPLY AND RETURN DUCTS LOCATED IN UNCONDITIONED SPACES AND PLENUMS (WITHIN CHASES, SHAFTS, OR MECHANICAL ROOMS) SHALL BE INSULATED WITH FIBERGLASS DUCT WRAP FACED WITH OUTER FOIL BLANKET HAVING AN MINIMUM INSTALLED R-VALUE OF 6.0.

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6. MECHANICALLY FASTEN CONNECTIONS BETWEEN METAL DUCTS AND THE INNER CORE OF FLEXIBLE DUCTS. ALL JOINTS, LONGITUDINAL AND TRANSVERSE SEAMS, AND CONNECTIONS IN DUCTWORK, SHALL BE SECURELY FASTENED AND SEALED WITH WELDS, GASKETS, MASTICS (ADHESIVES), MASTIC-PLUS-EMBEDDED-FABRIC SYSTEMS, OR TAPES IN ACCORDANCE WITH UL 181A OR UL 181B.

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3. COORDINATE ALL WORK WITH THE EXISTING STRUCTURAL MEMBERS, WIRING, PIPING, AND OTHER MATERIAL IN THE AREA OF WORK.

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1. ALL PIPING AND DUCTS IN FINISHED ROOMS OR SPACES SHALL BE CONCEALED IN A FURRED CHASE OR ABOVE THE SUSPENDED CEILING.

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2. ACCESS PANELS ARE REQUIRED FOR ALL VALVES, TRAPS, DAMPERS, CLEANOUTS, CONTROLS, ETC. ACCESS PANELS SHALL BE FURNISHED AND INSTALLED UNDER THE ARCHITECTURAL SPECIFICATIONS.

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5. CONTRACTOR IS RESPONSIBLE FOR DISPOSAL OF ALL ITEMS THAT OWNER DOES NOT WISH TO RETAIN FOR FUTURE USE.

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14. FRESH AIR AND EXHAUST AIR DUCTS LOCATED WITHIN THE BUILDING ENVELOPE SHALL BE UNINSULATED.

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15. THE FOLLOWING SHALL BE SEISMICALLY BRACED IN ACCORDANCE WITH THE 2019 OREGON STRUCTURAL SPECIALTY CODE: - PIPING IN MECHANICAL EQUIPMENT ROOMS LARGER THAN 1" DIAMETER WITH HANGERS LONGER THAN 12". - ALL OTHER PIPING LARGER THAN 2" DIAMETER WITH HANGERS LONGER THAN 12". - DUCTWORK WITH CROSS-SECTIONAL AREA 6.0 S.F. OR GREATER SUPPORTED WITH HANGERS LONGER THAN 12". - COMPONENTS INSTALLED IN-LINE WITH DUCTWORK WEIGHING MORE THAN 75 POUNDS. - SUSPENDED EQUIPMENT 20 LBS. OR GREATER. - FLOOR MOUNTED EQUIPMENT 400 LBS. OR GREATER. CONTRACTOR SHALL SUBMIT CALCULATIONS AND SHOP DRAWINGS FOR ALL APPLICABLE SYSTEMS.

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12. SUPPLY AND RETURN DUCTS LOCATED IN INDIRECTLY CONDITIONED SPACES WITHIN THE BUILDING ENVELOPE (SUCH AS ATTIC WITH ROOF INSULATION, CEILING PLENUMS SURROUNDED BY CONDITIONED SPACE AND LITTLE TO NO EXTERIOR EXPOSURE) SHALL BE INSULATED WITH FIBERGLASS DUCT WRAP FACED WITH OUTER FOIL BLANKET HAVING A MINIMUM INSTALLED R-VALUE OF 1.9.

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13. FRESH AIR AND EXHAUST AIR DUCT RUNS BETWEEN THE SHUTOFF DAMPER AND EXTERIOR WALL LOUVER SHALL BE INSULATED WITH FIBERGLASS DUCT WRAP FACED WITH OUTER FOIL BLANKET HAVING A MINIMUM INSTALLED R-VALUE OF 8.0.

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4. MOTORIZED OUTDOOR AIR AND EXHAUST AIR DAMPERS SHALL HAVE A MAXIMUM LEAKAGE RATE OF 4 CFM/SF AT 1.0" W.G.

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5. PROVIDE RECORD DRAWINGS WITHIN 30 DAYS OF SYSTEM ACCEPTANCE. INCLUDE AS A MINIMUM, THE LOCATION AND PERFORMANCE DATA ON EACH PIECE OF EQUIPMENT, GENERAL CONFIGURATIONS OF DUCT AND PIPE DISTRIBUTION SYSTEM, INCLUDING SIZES, AIR FLOW RATE, AND WATER FLOW RATE.

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6. FOR HVAC SYSTEMS SERVING ZONES WITH A TOTAL CONDITIONED AREA OF 5,000 SF OR MORE, HVAC SYSTEMS SHALL BE BALANCED IN ACCORDANCE WITH GENERALLY ACCEPTED ENGINEERING STANDARDS. PROVIDE THE OWNER WITH A WRITTEN BALANCE REPORT.

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16. FOR FLUIDS OPERATING BETWEEN 40°F TO 60°F, THERMALLY INSULATEHYDRONIC AND REFRIGERANT PIPING AS FOLLOWS A. FOR PIPES BETWEEN 1/4" TO LESS THAN 1-1/2" USE 1/2 INCH INSULATION THICKNESS B. FOR PIPES BETWEEN 1-1/2" TO 8" USE 1 INCH INSULATION THICKNESS.

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