Attachment F_P1360 DWG_Part 9 of 12.pdf
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- N6247026R0011
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This document is a comprehensive set of mechanical and electrical design drawings for a Joint Maritime Facility project prepared by Naval Facilities Engineering Systems Command (NAVFAC) - Atlantic. The drawings serve as construction documents for the facility's HVAC, piping, ductwork, and electrical systems.
The mechanical systems documentation includes detailed drawings for HVAC floor plans, mechanical piping layouts, ductwork configurations, and mechanical room details. Key mechanical components specified include air-cooled chillers, air handling units, fan coil units, ductless split-system heat pumps, electric unit heaters, and associated piping and ductwork. The mechanical schedules document equipment specifications including grille and register details, louver specifications, chiller capacity ratings (750 kVA service transformer), pump specifications with variable frequency drive motors rated up to 13.8 gpm, expansion tank sizing (37.8 liters acceptance volume, 180 liters total), and vibration isolation requirements. Control sequences are provided for various systems including DOAS (Dedicated Outdoor Air System), chilled water systems with three air-cooled chillers in parallel configuration, and building pressure control systems.
The electrical documentation includes site plans, underground ductbank and manhole details, pad-mounted transformer specifications (750 kVA, 12.47 kV Delta to 480Y/277V), and communications infrastructure. Electrical systems include fire pump circuits, generator connections (with resistive load bank), UPS systems for critical equipment, site lighting, intrusion detection and access control systems, video surveillance infrastructure, and telecommunications networks. The drawings specify underground concrete-encased ductbank construction with detailed specifications for pull-in irons, cable racks, and standard electrical hand holes and access structures. All work is specified in accordance with Canadian Electrical Code (CAN/CSA-C22.3) requirements and includes comprehensive grounding and lightning protection systems.
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MECHANICAL LEGEND GENERAL MECHANICAL NOTESMECHANICAL SYMBOLS
MECHANICAL ABBREVIATIONS
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MECHANICAL GENERAL NOTES, SYMBOLS, AND LEGEND
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DEPARTMENT OF THE NAVY
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NAVFAC METRIC DRAWFORM REVISION: 01 OCTOBER 2018
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D. EVANS VIA EMAIL
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PLANNING, DESIGN AND CONSTRUCTION
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SUPPLY DUCT, SUPPLY DUCT
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CONDENSER WATER RETURN PIPING
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CONDENSER WATER SUPPLY PIPING
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DUAL TEMPERATUR SUPPLY PIPING
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PIPING TO BE REMOVED
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DUAL TEMPERATURE RETURN PIPING
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HOT WATER RETURN PIPING
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HOT WATER SUPPLY PIPING
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CHILLED WATER RETURN PIPING
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CHILLED WATER SUPPLY PIPING
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DOMESTIC COLD WATER PIPING
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REFRIGERANT LIQUID PIPING
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LOW PRESSURE STEAM PIPING
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CONDENSATE DRAIN PIPING
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LOW PRESSURE CONDENSATE PIPING
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1. THESE GENERAL MECHANICAL NOTES APPLY TO THE ALL MECHANICAL DRAWINGS IN THIS SET. SHEET SPECIFIC NOTES ARE INDICATED ON EACH SHEET UNDER GENERAL SHEET NOTES. 2. PATCH ALL HOLES FROM REMOVAL OF PIPING, DUCTWORK, OR PATCH ALL HOLES FROM REMOVAL OF PIPING, DUCTWORK, OR EQUIPMENT TO MATCH ADJACENT CONSTRUCTION. 3. PROVIDE ALL MATERIALS AND EQUIPMENT AND PERFORM ALL PROVIDE ALL MATERIALS AND EQUIPMENT AND PERFORM ALL LABOR REQUIRED TO INSTALL COMPLETE AND OPERABLE MECHANICAL SYSTEMS AS INDICATED ON THE DRAWINGS, AS SPECIFIED AND AS REQUIRED BY CODE. 4. INSTALL ALL MECHANICAL EQUIPMENT AND APPURTENANCES IN INSTALL ALL MECHANICAL EQUIPMENT AND APPURTENANCES IN ACCORDANCE WITH MANUFACTURER'S RECOMMENDATIONS, THIS CONTRACT'S DOCUMENTS, AND APPLICABLE CODES AND REGULATIONS. 5. PROVIDE VIBRATION ISOLATORS FOR ALL MECHANICAL EQUIPMENT PROVIDE VIBRATION ISOLATORS FOR ALL MECHANICAL EQUIPMENT TO PREVENT TRANSMISSION OF VIBRATION TO BUILDING STRUCTURE. 6. PROVIDE ACCESS PANELS IN WALLS AND CEILINGS, WHERE PROVIDE ACCESS PANELS IN WALLS AND CEILINGS, WHERE REQUIRED, TO SERVE FIRE DAMPERS, VALVES, SMOKE DETECTORS, AND OTHER CONCEALED MECHANICAL EQUIPMENT THAT REQUIRES ROUTINE MAINTENANCE. ACCESS PANELS BE LARGE ENOUGH TO ALLOW PROPER CLEARANCE FOR ACCESS DOORS. 7. ALL OPENINGS IN FIRE WALLS DUE TO DUCTWORK, PIPING, ALL OPENINGS IN FIRE WALLS DUE TO DUCTWORK, PIPING, CONDUIT, ETC., SHALL BE FIRE STOPPED. 8. EXISTING DUCT AND PIPING SIZES INDICATED ARE APPROXIMATE. EXISTING DUCT AND PIPING SIZES INDICATED ARE APPROXIMATE. FIELD VERIFY ALL DIMENSIONS. 9. LOCATE ALL NEW HORIZONTAL DUCTWORK ABOVE THE SUSPENDED LOCATE ALL NEW HORIZONTAL DUCTWORK ABOVE THE SUSPENDED CEILINGS UNLESS OTHERWISE INDICATED. 10. ALL 90 DEGREE RECTANGULAR MITERED DUCT ELBOWS IN THE ALL 90 DEGREE RECTANGULAR MITERED DUCT ELBOWS IN THE SUPPLY AND RETURN DUCTS SHALL HAVE TURNING VANES. 11. PROVIDE PIPE SLEEVES FOR ALL PIPING PENETRATIONS THRU PROVIDE PIPE SLEEVES FOR ALL PIPING PENETRATIONS THRU WALLS AND FLOORS. EACH PIPE SHALL BE SEPARATELY SLEEVED. PROVIDE CONTINUOUS SEALANT JOINT AROUND PIPE SLEEVE, BOTH SIDES OF WALL, WATERTIGHT. 12. PROVIDE P-TRAPS IN CONDENSATE DRAIN PIPING AT EACH AHU PROVIDE P-TRAPS IN CONDENSATE DRAIN PIPING AT EACH AHU UNLESS THE AHU IS EQUIPPED WITH AN INTERNAL TRAP. 13. AFTER PRELIMINARY OPERATIONAL TESTING OF ALL BOILERS OR AFTER PRELIMINARY OPERATIONAL TESTING OF ALL BOILERS OR DIRECT FIRED DOMESTIC WATER HEATERS WITH A CAPACITY GREATER THAN 120 KILOWATTS, THE BOILER SHALL BE INSPECTED AND AN OPERATIONAL TEST SHALL BE PERFORMED BY A NAVFAC FACILITIES ENGINEERING COMMAND BOILER INSPECTOR. ALLOW 15 DAYS ADVANCE NOTICE FOR SCHEDULING AN INSPECTOR TO CONDUCT AN ACCEPTANCE OPERATIONAL TEST AND INSPECTION. 14. MOUNT THERMOSTATS 1.2 METERS ABOVE THE FINISHED FLOOR MOUNT THERMOSTATS 1.2 METERS ABOVE THE FINISHED FLOOR UNLESS OTHERWISE INDICATED. REFER TO ELECTRICAL DRAWINGS FOR LOCATION OF LIGHT SWITCHES AND COORDINATE. 15. AFTER THE PIPING IS INSULATED, PROVIDE PIPE LABELS, WITH AFTER THE PIPING IS INSULATED, PROVIDE PIPE LABELS, WITH DIRECTION OF FLOW ARROWS, ON THE FOLLOWING PIPING, AT 10 FOOT ON CENTER ON THE PIPING MAINS AND 1.5 METERS ON CENTER ON THE BRANCH RUNOUTS FROM MAINS.
AutoCAD SHX Text DIAMETER °DEGREES AD ACCESS DOOR ACCESS DOOR AFF ABOVE FINISHED FLOOR ABOVE FINISHED FLOOR AHU AIR HANDLING UNIT AIR HANDLING UNIT AP ACCESS PANEL ACCESS PANEL APD AIR PRESSURE DROP AIR PRESSURE DROP APPROX APPROXIMATELY APPROXIMATELY AS AIR SEPARATOR AIR SEPARATOR BF BELOW RAISED FLOOR BELOW RAISED FLOOR BT BUFFER TANK BUFFER TANK C COMMON/CELSIUS COMMON/CELSIUS CH AIR-COOLED CHILLER AIR-COOLED CHILLER CLG CEILING CEILING CRAC COMPUTER ROOM AIR HANDLING UNIT COMPUTER ROOM AIR HANDLING UNIT CU CONDENSING UNIT CONDENSING UNIT Cv LOSS COEFFICIENT LOSS COEFFICIENT CWP CHILLED WATER PUMP CHILLED WATER PUMP DB DRY BULB DRY BULB DDC DIRECT DIGITAL CONTROL DIRECT DIGITAL CONTROL DEG DEGREE DEGREE DIA DIAMETER DIAMETER DNXX NOMINAL PIPE SIZE NOMINAL PIPE SIZE DX DIRECT EXPANSION DIRECT EXPANSION EA EXAUST AIR EXAUST AIR EAT ENTERING AIR TEMPRATURE ENTERING AIR TEMPRATURE EER ENERGY EFFICIENCY RATIO ENERGY EFFICIENCY RATIO EF EXHAUST FAN EXHAUST FAN ESP EXTERNAL STATIC PRESSURE EXTERNAL STATIC PRESSURE ET EXPANSION TANK EXPANSION TANK EWT ENTERING WATER TEMPERATURE ENTERING WATER TEMPERATURE FLA FULL LOAD AMPS FULL LOAD AMPS HGT HEIGHT HEIGHT HW HOT WATER HOT WATER IPLV INTEGRATED PART LOAD VALUE INTEGRATED PART LOAD VALUE KG KILOGRAM KILOGRAM kPA KILOPASCAL KILOPASCAL kW KILOWATT KILOWATT L LOUVER LOUVER LAT LEAVING AIR TEMPERATURE LEAVING AIR TEMPERATURE LPS LITERS PER SECOND LITERS PER SECOND LWT LEAVING WATER TEMPERATURE LEAVING WATER TEMPERATURE M METER METER MAX MAXIMUM MAXIMUM MCA MINIMUM CIRCUIT AMPS MINIMUM CIRCUIT AMPS MERV MINIMUM EFFICIENCY REPORTING VALUE MINIMUM EFFICIENCY REPORTING VALUE MFS MAXIMUM FUSE SIZE MAXIMUM FUSE SIZE MIN MINIMUM MINIMUM mm MILLIMETER MILLIMETER MOCP MAXIMUM OVER CURRENT PROTECTION MAXIMUM OVER CURRENT PROTECTION MPS METERS PER SECOND METERS PER SECOND NC NOISE CRITERIA/NORMALLY CLOSED NOISE CRITERIA/NORMALLY CLOSED NO NUMBER/NORMALLY OPEN NUMBER/NORMALLY OPEN OA OUTSIDE AIR OUTSIDE AIR PA PASCAL PASCAL PD PRESSURE DROP PRESSURE DROP PH PHASE PHASE RA RETURN AIR RETURN AIR RAD RADIUS RADIUS REF REFRIGERANT REFRIGERANT RPM REVOLUTIONS PER MINUTE REVOLUTIONS PER MINUTE RS REFRIGERANT SUCTION REFRIGERANT SUCTION SA SUPPLY AIR SUPPLY AIR SEER SEASONAL ENERGY EFFICIENCY RATING SEASONAL ENERGY EFFICIENCY RATING SP STATIC PRESSURE STATIC PRESSURE SQ SQUARE SQUARE SSIU DUCTLESS SPLIT SYSTEM INDOOR UNIT DUCTLESS SPLIT SYSTEM INDOOR UNIT SSOU DUCTLESS SPLIT-SYSTEM HEAT PUMP OUTDOOR UNIT DUCTLESS SPLIT-SYSTEM HEAT PUMP OUTDOOR UNIT TYP TYPICAL TYPICAL UL UNDERWRITERS LABORATORY UNDERWRITERS LABORATORY UON UNLESS OTHERWISE NOTED UNLESS OTHERWISE NOTED V VOLTS VOLTS VAV VARIABLE AIR VOLUME VARIABLE AIR VOLUME VFD VARIABLE FREQUENCY DRIVE VARIABLE FREQUENCY DRIVE WB WET BULB WET BULB WPD WATER PRESSURE DROP WATER PRESSURE DROP
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1. REFER TO ARCHITECTURAL DRAWINGS FOR EXACT LOCATION OF REFER TO ARCHITECTURAL DRAWINGS FOR EXACT LOCATION OF LOUVERS ABOVE GRADE/FINISHED FLOOR. 2. REFER TO SHEET M-001 LEGEND, GENERAL NOTES, AND REFER TO SHEET M-001 LEGEND, GENERAL NOTES, AND ABBREVIATIONS. 3. SUPPLY AND RETURN DUCT RUN OUT DIMENSIONS SHALL MATCH SUPPLY AND RETURN DUCT RUN OUT DIMENSIONS SHALL MATCH DIFFUSER AND GRILLE NECK DIMENSIONS UNLESS OTHERWISE INDICATED. 4. INSULATE DOAS DUCTWORK IN ACCORDANCE WITH SPECIFICATIONS. INSULATE DOAS DUCTWORK IN ACCORDANCE WITH SPECIFICATIONS. 5. PROVIDE MANUAL BALANCING DAMPERS ON ALL BRANCH DUCT PROVIDE MANUAL BALANCING DAMPERS ON ALL BRANCH DUCT RUNS. 6. PROVIDE MITERED ELBOWS WHERE SPATIAL CONSTRAINTS DO NOT PROVIDE MITERED ELBOWS WHERE SPATIAL CONSTRAINTS DO NOT ALLOW FOR SMOOTH RADIUS ELBOWS. 7. ALL INTERIOR DUCTWORK TO BE PROVIDED WITH 50MM OF ALL INTERIOR DUCTWORK TO BE PROVIDED WITH 50MM OF INSULATION IN ALL DIRECTIONS.
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1. BALANCE 80 LPS OF OUTDOOR AIR FROM DOAS-1 TO RETURN OF BALANCE 80 LPS OF OUTDOOR AIR FROM DOAS-1 TO RETURN OF FCU-1 2. FLOOR-MOUNTED COMPUTER ROOM AIR HANDLING UNIT. FLOOR-MOUNTED COMPUTER ROOM AIR HANDLING UNIT. 3. CLEAN AGENT VENTILATION SWITCH CLEAN AGENT VENTILATION SWITCH 4. WALL-MOUNTED DUCTLESS SPLIT SYSTEM INDOOR UNIT. WALL-MOUNTED DUCTLESS SPLIT SYSTEM INDOOR UNIT. 5. WALL-MOUNTED DUCTLESS SPLIT SYSTEM OUTDOOR UNIT. WALL-MOUNTED DUCTLESS SPLIT SYSTEM OUTDOOR UNIT. 6. CLEARANCE REQUIRED FOR MAINTENANCE, TYPICAL. CLEARANCE REQUIRED FOR MAINTENANCE, TYPICAL. 7. HYDROGEN DETECTION SYSTEM. HYDROGEN DETECTION SYSTEM. 8. BALANCE 40 LPS OF OUTDOOR AIR FROM DOAS-1 TO RETURN OF BALANCE 40 LPS OF OUTDOOR AIR FROM DOAS-1 TO RETURN OF FCU-2. 9. 150 WIDE FLEXIBLE DUCT CONNECTOR, TYP. 150 WIDE FLEXIBLE DUCT CONNECTOR, TYP. 10. TRANSITION DUCT FROM FULL SIZE OF GENERATOR DISCHARGE TO TRANSITION DUCT FROM FULL SIZE OF GENERATOR DISCHARGE TO FULL SIZE OF EXHAUST LOUVER OPENING, TYP. 11. FULL SIZED CONTROL DAMPER, MOTORIZED (LOW VOLTAGE), FULL SIZED CONTROL DAMPER, MOTORIZED (LOW VOLTAGE), THERMALLY INSULATED, LOW LEAKAGE, WITH FLANGE FOR WALL-MOUNTING. EQUIP WITH FAST ACTING ACTUATOR WITH NEMA 3 ENCLOSURE. 12. BOTTOM OF DUCT 2950 mm ABOVE FINISHED FLOOR. BOTTOM OF DUCT 2950 mm ABOVE FINISHED FLOOR. 13. ACCESS DOOR, TYPICAL ACCESS DOOR, TYPICAL 14. EXHAUST FAN AND DUCTWORK ARE MOUNTED BELOW DROP CEILING. EXHAUST FAN AND DUCTWORK ARE MOUNTED BELOW DROP CEILING. 15. BALANCE 40 LPS OF OUTDOOR AIR FROM DOAS-1 TO RETURN OF BALANCE 40 LPS OF OUTDOOR AIR FROM DOAS-1 TO RETURN OF FCU-3. 16. POWER GENERATOR SILENCER, CRITICAL GRADE, BOTTOM INLET, END POWER GENERATOR SILENCER, CRITICAL GRADE, BOTTOM INLET, END OUTLET. PROVIDE FLEXIBLE CONNECTOR AT GENERATOR. 17. PRE-MANUFACTURED WALL THIMBLE, DESIGNED IN ACCORDANCE PRE-MANUFACTURED WALL THIMBLE, DESIGNED IN ACCORDANCE WITH NFPA, TO PROTECT WALL FROM EXHAUST PIPE HEAT. 18. PRE-MANUFACTURED EXHAUST PIPE WITH OPEN 45 DEGREE PRE-MANUFACTURED EXHAUST PIPE WITH OPEN 45 DEGREE OPENING PROTECTED WITH EXPANDED METAL BIRDSCREEN. OPEN MUST FACE DOWN TOWARD GRADE. 19. RADON FANS ABOVE CEILING. SEE PLUMBING FOR RADON PIPING. RADON FANS ABOVE CEILING. SEE PLUMBING FOR RADON PIPING. 20. SMOKE/FIRE DAMPER SMOKE/FIRE DAMPER 21. 2 HOUR FIRE DAMPER 2 HOUR FIRE DAMPER 22. 3 HOUR FIRE DAMPER 3 HOUR FIRE DAMPER
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1. PIPE COOLING COIL CONDENSATE TO NEAREST FLOOR DRAIN. PIPE COOLING COIL CONDENSATE TO NEAREST FLOOR DRAIN. 2. PROPYLENE GLYCOL TANK AND PUMPING SYSTEM. PROPYLENE GLYCOL TANK AND PUMPING SYSTEM. 3. CHEMICAL SHOT FEEDER. CHEMICAL SHOT FEEDER. 4. CONTINUES TO SHEET M-102 CONTINUES TO SHEET M-102 5. DOMESTIC COLD WATER MAKEUP. SEE PLUMBING SHEETS FOR DOMESTIC COLD WATER MAKEUP. SEE PLUMBING SHEETS FOR CONTINUATION
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MECHANICAL DETAILS
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OLS
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OLS
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FISH
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AS NOTED
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SCE
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DEPARTMENT OF THE NAVY
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CONSTR. CONTR. NO.
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SHEET
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NAVFAC DRAWING NO.
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NAVAL FACILITIES ENGINEERING SYSTEMS COMMAND
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DES
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DRW
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SYM
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DESCRIPTION
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DATE
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APPR
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NAVFAC METRIC DRAWFORM REVISION: 01 OCTOBER 2018
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CHK
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SATISFACTORY TO
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APPROVED
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ACTIVITY
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DATE
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FOR COMMANDER NAVFAC
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SEAL
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A/E INFO
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OF
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EPROJECT NO.:
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VARIOUS LOCATIONS
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VARIOUS LOCATIONS
AutoCAD SHX Text 1838720
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D. EVANS VIA EMAIL
AutoCAD SHX Text 01/15/2026
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MJD/ATP
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DSN
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PLANNING, DESIGN AND CONSTRUCTION
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NORFOLK VA
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WBF
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PM/DM
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BRANCH MANAGER
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DES PROD DIR
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FIRE PROTECTION ENGINEER
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SA
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NOT TO SCALE
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N0TES:
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1. MOUNT BOTTOM OF WALL-MOUNTED INDOOR UNIT 2.5 METERS AFF.MOUNT BOTTOM OF WALL-MOUNTED INDOOR UNIT 2.5 METERS AFF.
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%%UAIRFLOW
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N0TES:
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1. PROVIDE WEATHER RESISTANT LABELING ON EXTERIOR OF JACKET IDENTIFYING PIPES AS PROVIDE WEATHER RESISTANT LABELING ON EXTERIOR OF JACKET IDENTIFYING PIPES AS BEING "ELECTRIC TRACED" WITH VOLTAGE INDICATED.
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ALUMINUM FOIL TAPE AND INSULATION NOT SHOWN.
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VALVE
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SELF REGULATING TYPE HEAT TRACE CABLE
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ALUMINUM FOIL TAPE AND INSULATION NOT SHOWN.
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HOT-COLD JOINT
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PIPE STRAPS
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SELF REGULATING TYPE HEAT TRACE CABLE
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ALUMINUM FOIL TAPE
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PIPE INSULATION
AutoCAD SHX Text PIPE STRAPS AT APPROX. 460mm INTERVALS
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WATERPROOF JACKET OVER INSULATION
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HEAT TRACE CABLE
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JUNCTION BOX
AutoCAD SHX Text ELECTRONIC THERMOSTAT WITH ADJUSTABLE THERMOSTAT SET AT 4°C,LED INDICATORS FOR ALARM, POWER AND HEATING CABLE STATUS
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AMBIENT AIR SENSOR WITH SUN SHIELD
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TO POWER SUPPLY DISCONNECT SWITCH
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ILUMINATED END SEAL
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SCALE:
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NOT TO SCALE
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NOT TO SCALE
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NOT TO SCALE
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NOT TO SCALE
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NOT TO SCALE
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%%UEXTERIOR
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%%UINTERIOR
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1. REFER TO FIRE PROTECTION SPECIFICATIONS FOR FIRE STOPPING SYSTEM REFER TO FIRE PROTECTION SPECIFICATIONS FOR FIRE STOPPING SYSTEM REQUIREMENTS WHERE PIPE PENETRATES RATED WALL OR PARTITION. 2. PROVIDE APPROXIMATELY 13 GAP BETWEEN INSULATION AND METAL PIPE SLEEVE. PROVIDE APPROXIMATELY 13 GAP BETWEEN INSULATION AND METAL PIPE SLEEVE. 3. SUPPORT PIPE ON BOTH SIDES OF WALL. CONTACT WITH SLEEVE, WALL OR SUPPORT PIPE ON BOTH SIDES OF WALL. CONTACT WITH SLEEVE, WALL OR FRAMING IS NOT ALLOWED.
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TOTAL TRAP HEIGHT = X + H + (1.5 X PIPE DIAMETER)
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SEALANT
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MINERAL FIBER PACKING
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PIPE
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INSULATION
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FIRE STOPPING WHERE APPLICABLE
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ESCUTCHEON PLATE WHERE PIPE IS EXPOSED
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METAL PIPE SLEEVE
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NOT TO SCALE
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METAL FACE GRILLE FURNISHED WITH FAN
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1. MAINTAIN MANUFACTURER'S RECOMMENDED SERVICE CLEARANCES. MAINTAIN MANUFACTURER'S RECOMMENDED SERVICE CLEARANCES. 2. SUPPORT EQUIPMENT TO THE STRUCTURE.SUPPORT EQUIPMENT TO THE STRUCTURE.
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N0TES:
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DUCTWORK. SEE PLANS FOR SIZE AND CONTINUATION.
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BACKDRAFT DAMPER.
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ACOUSTIC LINING
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DRAIN PAN
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CLEANOUT
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CLEANOUT
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PITCH DOWN TOWARD DRAIN
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ROUTE TO NEAREST FLOOR DRAIN
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25MM PLUS CASING PRESSURE
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DRAIN LINE SHALL BE AT LEAST THE SAME SIZE AS UNIT CONNECTION SIZE
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EXTERIOR WALL
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LOUVER, WIND DRIVEN RAIN TYPE
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REFER TO ARCHITECTURAL DRAWINGS FOR FLASHING DETAILS
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LOW LEAKAGE DAMPER, MOTORIZED, FULL SIZE OF LOUVER.
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DUCTWORK, FULL SIZE OF LOUVER
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MOUNT ELECTRIC ACTUATOR(S) ON SIDE(S).
AutoCAD SHX Text PROVIDE DAMPER WITH REVERSE FLANGE OR PROVIDE ANGLES TO SECURE AS RECOMMENDED BY THE MANUFACTURER.
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WALL MOUNTING BRACKET FURNISHED BY FCU MFGR.
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WALL-MOUNTED TYPE INDOOR UNIT AHU
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24V LEAD TO WALL-MTD THERMOSTAT, PROVIDED BY UNIT MANUFACTURER
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PIPE SLEEVE
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POWER & HIGH VOLTAGE CONTROL TO INDOOR UNIT
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INSULATED CONDENSATE DRAIN PIPING. REFER TO FLOOR PLANS FOR PIPING CONTINUATION
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INSULATED REFRIGERANT LINESET. REFER TO FLOOR PLANS FOR PIPING CONTINUATION
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CONCRETE PAD. REFER TO CIVIL DRAWINGS FOR ADDITIONAL INFORMATION
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SECURE OUTDOOR CONDENSING UNIT TO CONCRETE PAD OR EQUIPMENT ROOF CURB
25X25 STAINLESS MESH FULL SIZE OF LOUVER
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C1 PIPE SUPPORT DETAIL
A1 BASE MOUNTED CENTRIFUGAL PUMP PIPING DETAIL A2 AIR COOLED CHILLER PIPING DETAIL A4 PIPE WALL PENETRATION ABOVE GRADE DETAIL
C2 CHEMICAL SHOT FEEDER PIPING DETAIL C4 FAN COIL UNIT INSTALATION DETAIL
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MECHANICAL DETAILS
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OLS
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FISH
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AS NOTED
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SCE
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DEPARTMENT OF THE NAVY
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SCALE:
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CONSTR. CONTR. NO.
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SHEET
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NAVFAC DRAWING NO.
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NAVAL FACILITIES ENGINEERING SYSTEMS COMMAND
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DES
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DRW
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SYM
AutoCAD SHX Text
DESCRIPTION
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DATE
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APPR
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NAVFAC METRIC DRAWFORM REVISION: 01 OCTOBER 2018
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CHK
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SATISFACTORY TO
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APPROVED
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ACTIVITY
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DATE
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FOR COMMANDER NAVFAC
AutoCAD SHX Text
SEAL
AutoCAD SHX Text
A/E INFO
AutoCAD SHX Text
OF
AutoCAD SHX Text
EPROJECT NO.:
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VARIOUS LOCATIONS
AutoCAD SHX Text
VARIOUS LOCATIONS
AutoCAD SHX Text 1838720
AutoCAD SHX Text
AutoCAD SHX Text
D. EVANS VIA EMAIL
AutoCAD SHX Text 01/15/2026
AutoCAD SHX Text
MJD/ATP
AutoCAD SHX Text
DSN
AutoCAD SHX Text
PLANNING, DESIGN AND CONSTRUCTION
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NORFOLK VA
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WBF
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PM/DM
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BRANCH MANAGER
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DES PROD DIR
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FIRE PROTECTION ENGINEER
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SET TO UNIT CONNECTION HEIGHT ABOVE GRADE
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150 X 150 X 6 POST PLATE
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6-16X 70 ANCHOR BOLT TYPICAL OF 4
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UNIVERSAL SHELF BRACKET
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COMBINATION CHANNEL, LENGTH AS REQUIRED
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PIPE CLAMP, TYP.
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PIPE WITH INSULATION, TYP.
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INSULATION SHIELD, TYP.
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1. CHANNELS, HANGERS, FRAMES, THREADED RODS, WASHERS, AND NUTS AND ALL CHANNELS, HANGERS, FRAMES, THREADED RODS, WASHERS, AND NUTS AND ALL ASSOCIATED APPURTENANCES SHALL BE HOT DIPPED GALVANIZED STEEL. 2. PRE-MANUFACTURED PIPE SUPPORT. PRE-MANUFACTURED PIPE SUPPORT.
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%%UNOTES:
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* STRAIGHT LENGTHS OF UNOBSTRUCTED PIPE WITHOUT INLINE APPURTENANCES SHALL BE INSTALLED UP/DOWNSTREAM OF FLOW CONTROL BALANCING VALVE A MINIMUM OF EIGHT PIPE DIAMETER OR PER MANUFACTURER'S INSTALLATION INSTRUCTIONS, WHICHEVER IS LONGEST.
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CONCRETE INERTIA BASE
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MOTOR
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PUMP
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COUPLING GUARD
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PRESSURE GAGE WITH SERVICE COCK 0-415 KPA
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DN25 DRAIN VALVE W/ HOSE CONNECTION
AutoCAD SHX Text BALL VALVE FOR PIPE DN50 AND LESS. BUTTERFLY VALVE FOR PIPE DN65 AND GREATER (TYP)
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PRESSURE/TEMPERATURE PORT. EXTEND PIPE BEYOND INSULATION
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GLOBE OR NEEDLE VALVE (TYP)
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DN6
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SUCTION DIFFUSER
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SUPPORT
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FLOOR
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FLOOR FLANGE
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SEISMIC SPRING ISOLATOR (TYP. OF 4)
AutoCAD SHX Text DOWL CONCRETE EQUIPMENT PAD TO THE STRUCTURE. HEIGHT MUST ACCOMMODATE SEISMIC ANCHORAGE BUT NOT BE LESS THAN 100. REFER TO STRUCTURAL DRAWINGS FOR ADDITIONAL INFORMATION.
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MANUAL FLOW CONTROL BALANCING VALVE
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FLEXIBLE PIPE CONNECTOR
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LIFT CHECK VALVE
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DN20
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DN20
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FS
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FM
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FINISHED FLOOR
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INDOOR
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OUTDOOR
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1. SUPPORT EQUIPMENT TO THE STRUCTURE, REFER TO SPEC SECTION 220548.20 SUPPORT EQUIPMENT TO THE STRUCTURE, REFER TO SPEC SECTION 220548.20 "MECHANICAL SOUND, VIBRATION, AND SEISMIC CONTROL" AND SECTION 230548.19 "SEISMIC BRACING FOR HVAC" FOR ADDITIONAL INFORMATION.
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%%UNOTES:
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STEEL OR GALVANIZED PIPE SLEEVE
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PACKED MINERAL WOOL INSULATION
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PIPE
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PIPE INSULATION (WHERE REQUIRED)
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SILICONE CAULK
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EXTERIOR WALL
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SILICONE CAULK
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FLOOR
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TO FLOOR DRAIN
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PROVIDE 15MM THICK FLEXIBLE CLOSED CELL INSULATION ON FILTER FEEDER
AutoCAD SHX Text BOLT UNISTRUT TO WALL. PROVIDE 2 UNISTRUT PIPE CLAMPS SIZED TO GO ON OUTSIDE OF INSULATION
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SHOT FEEDER
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75MM FLECK TOP
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BALL VALVE FOR PIPE DN50 AND SMALLER. BUTTERFLY VALVE FOR PIPE DN65 AND LARGER
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FLOW SWITCH
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BALANCING VALVE
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FLOW METER
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MANUAL AIR VENT
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CONCRETE EQUIPMENT PAD. REFER TO CIVIL DRAWINGS
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UNION
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STRAINER
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DN20 DRAIN VALVE WITH THREADED HOSE CONNECTION AND CAP
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0-50°C RANGE, TYP.
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0-500 KPA RANGE, TYP.
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FLEXIBLE PIPE CONNECTION. TYP
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PRESURE/TEMPERATURE TEST PORT. TYP.
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MOTORIZED FLOW CONTROL - ISOLATION VALVE
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AutoCAD SHX Text NOTES: 1. REFER TO FCU COIL PIPING FOR PIPING CONNECTIONS. REFER TO FCU COIL PIPING FOR PIPING CONNECTIONS. 2. REFER TO THE FLOOR PLANS FOR DUCT SIZES FOR RETURN AND SUPPLY AIR DUCTS.REFER TO THE FLOOR PLANS FOR DUCT SIZES FOR RETURN AND SUPPLY AIR DUCTS.
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CEILING
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FILTER ACCESS
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CONDENSATE DRAIN.
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AUXILIARY CONDENSATE DRAIN PAN WITH CONDENSATE OVERFLOW FLOAT SWITCH
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BELT DRIVE MOTOR ON LARGE UNITS ONLY
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HEATING COIL
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COOLING COIL
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RETURN DUCT
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FLEXIBLE DUCT CONNECTOR, TYP.
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DOUBLE NUT AND WASHER, TYP. OF 4
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10 THREADED ROD, TYP. OF 4.
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SECURE TO STRUCTURE WITH EXPANSION ANCHOR
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SUPPORT BRACKETS PROVIDED BY MANUFACTURER
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EXISTING CONCRETE DECK
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SUPPLY DUCT
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300 MAX
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SCALE:
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B1 BRACING DETAIL FOR SUSPENDED MECHANICAL EQUIPMENT WITH EXTERNAL VIBRATION ISOLATORS DETAIL
PLAN VIEW
PLAN VIEW
A1
BRACING DETAIL FOR SUSPENDED MECHANICAL EQUIPMENT WITH INTERNAL VIBRATION ISOLATORS OR NO REQUIREMENT
FOR VIBRATION ISOLATION DETAIL
JOIST OR I BEAM CENTERLINE PERPENDICULAR TO UNITJOIST OR I BEAM CENTERLINE PARALLEL TO UNITCONCRETE DECK
D1 HANGAR ROD ATTACHMENT DETAIL
A4 CLOSEUP - PARALLEL CONNECTION DETAIL
GENERAL SHEET NOTES
ELEVATIONS
ELEVATIONS
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OLS
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FISH
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AS NOTED
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SCE
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DEPARTMENT OF THE NAVY
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CONSTR. CONTR. NO.
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NAVFAC DRAWING NO.
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NAVAL FACILITIES ENGINEERING SYSTEMS COMMAND
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DES
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DRW
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SYM
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DESCRIPTION
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DATE
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APPR
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NAVFAC METRIC DRAWFORM REVISION: 01 OCTOBER 2018
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CHK
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SATISFACTORY TO
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APPROVED
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ACTIVITY
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DATE
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FOR COMMANDER NAVFAC
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SEAL
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A/E INFO
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OF
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EPROJECT NO.:
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VARIOUS LOCATIONS
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VARIOUS LOCATIONS
AutoCAD SHX Text 1838720
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D. EVANS VIA EMAIL
AutoCAD SHX Text 01/15/2026
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MJD/ATP
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DSN
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PLANNING, DESIGN AND CONSTRUCTION
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NORFOLK VA
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WBF
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PM/DM
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BRANCH MANAGER
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DES PROD DIR
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FIRE PROTECTION ENGINEER
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(TYP.)
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VIBRATION ISOLATION
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TYP.
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30° TO90°
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30° TO90°
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30° TO90°
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SCALE:
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NOT TO SCALE
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SCALE:
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SCALE:
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I BEAM
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JOIST
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I BEAM
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JOIST
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