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I. GENERAL PROVISIONS
<br />A. OVERVIEW
<br />1. ALL WORK DONE UNDER THIS CONTRACT SHALL COMPLY WITH ALL STATE AND LOCAL CODES HAVING JURISDICTION AND WITH
<br />THE REQUIREMENTS OF THE UTILITY COMPANIES WHOSE SERVICES MAY BE USED. ALL MODIFICATIONS REQUIRED BY THESE
<br />CODES SHALL BE MADE BY THE CONTRACTOR WITHOUT ADDITIONAL CHARGES. WHERE CODE REQUIREMENTS ARE LESS THAN
<br />THOSE SHOWN ON THE PLANS OR IN THE SPECIFICATIONS, THE PLANS AND SPECIFICATIONS SHALL BE FOLLOWED. WHERE
<br />APPLICABLE, NFPA REQUIREMENTS SHALL BE MET.
<br />2. IN CASE OF ANY CONFLICTS BETWEEN CONTRACT DOCUMENTS, THE STRICTER/MORE STRINGENT SHALL GOVERN.
<br />3. THE CONTRACTOR SHALL TAIN ALL PER IT IN P I A P
<br />OB M S SECT ONS AND P ROVALS AS RE UIRED BY ALL AUTHORITIES HAVING
<br />Q
<br />JURISDICTION AND DELIVER ERTIFI ATE F APPR VAL T
<br />C C S 0 0 TO HE ENGINEER. ALL FEES AND COSTS OF ANY NATURE WHATSOEVER
<br />INCIDENTAL TO THESE PERMITS, INSPECTIONS AND APPROVALS MUST BE ASSUMED AND PAID BY THE CONTRACTOR.
<br />4. THE CONTRACTOR SHALL COMPLY WITH ALL APPLICABLE PROVISI NS F . .H.A.
<br />0 0 OS
<br />5. THE WORKMANSHIP AND MATERIALS COVERED BY THESE SPECIFICATIONS SHALL CONFORM TO ALL ORDINANCES AND
<br />REGULATIONS OF THE ITY NTY AND R T E
<br />C , COU /0 O H R AUTHORITIES HAVING JURISDICTION.
<br />6. CONTRACTOR SHALL VISIT THE SITE AND EXAMINE EXISTING CONDITIONS BEFORE SUBMITTING BID. NO ALLOWANCE WILL BE
<br />MADE FOR LACK OF KN WLEDGE F EXISTIN CONDITI N WHEN H NDITI
<br />0 0 G 0 S SUC CO ONS CAN BE DETERMINED BY OBSERVATION.
<br />7. PRIOR TO SUBMITTIN D T F R R P R IN T
<br />G A A O O U CHAS G EQUIPMEN REQUIRING ELECTRICAL SERVICE, THE CONTRACTOR SHALL VERIFY
<br />THAT ELECTRICAL CHARACTERISTICS OF EQUIPMENT SUBMITTALS COMPLY WITH ELECTRICAL SERVICE PROVIDED FOR THE
<br />SPECIFIED ITEMS OF EQUIPMENT.
<br />8. UPON RECEIPT OF THE CONTRACTOR OF REVIEWED SUBMITTALS FORE UIPMENT PROVIDED UNDER THI DI I 1 N THE
<br />Q S VSO ,
<br />CONTRACTOR SHALL COORDINATE THE ELECTRICAL SERVICE RE UIREMENTS I.E. MOTOR HORSEPOWER AND F LL L AD AM
<br />Q U 0 PS,
<br />ELECTRICAL SERVICE CHARACTERISTICS VOLTAGE AND PHASE AND NUMBER OF SERVICES FOR EACH ITEM F E IPMENT
<br />( ), 0 QU
<br />REQUIRING ELECTRICAL CONNECTIONS WITH THE ELECTRICAL DRAWINGS AND SPECIFICATIONS.
<br />9. ITEMS ON OR PR JE IN TH H THE EILIN HA B I A
<br />O CT G ROUG C G S LL E COORD N TED WITH OTHER TRADES.
<br />10.EQUIPMENT MODEL NUMBERS ARE PROVIDED FOR GENERAL GUIDANCE, CONTRACTOR SHALL PROVIDE EQUIPMENT THAT MEETS
<br />THE PHYSICAL CAPACITIES AS SCHEDULED AND GENERAL ARRANGEMENT AS INDICATED IN THE DRAWING SET. CONTRACTOR
<br />SHALL VERIFY EXACT, CURRENT MODEL NUMBERS WITH THE MANUFACTURERS.
<br />B. OPERATION AND MAINTENANCE INSTRUCTIONS
<br />1. THE CONTRACTOR SHALL PROVIDE TWO OPERATION AND MAINTENANCE MANUALS. THE MANUALS SHALL BE COMPILED IN HARD
<br />BACK, THREE RING NOTEBOOKS. 0&M MANUALS SHALL HAVE PERMANENT LABELS ON FRONT AND SIDE. THE FOLLOWING
<br />INFORMATION SHALL APPEAR IN EACH MANUAL:
<br />2. PROVIDE MANUFACTURER'S PRINTED OPERATING PROCEDURES TO INCLUDE START-UP, BREAK-IN, ROUTINE AND NORMAL
<br />OPERATING INSTRUCTIONS; REGULATION, CONTROL, STOPPING, SHUTDOWN AND EMERGENCY INSTRUCTIONS; AND SUMMER
<br />AND WINTER OPERATING INSTRUCTIONS. PROVIDE MAINTENANCE PROCEDURES FOR ROUTINE PREVENTATIVE MAINTENANCE
<br />AND TROUBLESHOOTING; DISASSEMBLY, REPAIR AND REASSEMBLY; ALIGNING AND ADJUSTING INSTRUCTIONS. SERVICING
<br />INSTRUCTIONS AND LUBRICATION CHARTS AND SCHEDULES.
<br />C. INSTRUCTIONS OF OWNER PERSONNEL
<br />1. BEFORE FINAL INSPECTION, AT A TIME DESIGNATED BY THE DESIGNER, PROVIDE A COMPETENT REPRESENTATIVE TO INSTRUCT
<br />OWNER'S DESIGNATED PERSONNEL IN OPERATION, ADJUSTMENT AND MAINTENANCE OF PRODUCTS, EQUIPMENT AND SYSTEMS
<br />UNDER THIS DIVISION OF THE SPECIFICATIONS. FOR EQUIPMENT REQUIRING SEASONAL OPERATIONS, PERFORM INSTRUCTIONS
<br />FOR OTHER SEASONS WITHIN SIX MONTHS UNLESS REQUESTED OTHERWISE.
<br />D. COORDINATION
<br />1. THE PRODUCTS OF PARTICULAR MANUFACTURERS HAVE BEEN USED AS THE BASIS OF DESIGN IN PREPARATION OF THESE
<br />DOCUMENTS. ANY MODIFICATIONS TO THE MECHANICAL SYSTEMS AND THEIR COMPONENTS, THE ELECTRICAL SYSTEMS, THE
<br />BUILDING STRUCTURE AND ARCHITECTURE, OR ANY OTHER PORTION OF THE BUILDING THAT RESULT FROM THE USE OF ANY
<br />OTHER THAN THAT BASIS OF DESIGN EQUIPMENT SHALL BE COORDINATED WITH ALL OTHER TRADES. SUCH COORDINATION
<br />SHALL OCCUR BEFORE PURCHASE OR DELIVERY OF PRODUCTS FROM THE MANUFACTURER DRAWINGS OR INSTALLED
<br />ACCORDINGLY. ANY RELATED MODIFICATIONS SHALL BE PERFORMED WITHOUT ANY ADDITIONAL COST TO THE CONTRACT.
<br />2. RESIDENTIAL GRADE HVAC COMPONENTS SHALL NOT BE PERMITTED WITHOUT SPECIFIC OWNER INSTRUCTION AND ENGINEER
<br />APPROVAL.
<br />E. EXECUTION
<br />1. THE PLANS DO NOT GIVE EXACT ELEVATIONS OR LOCATIONS OF LINES, NOR DO THEY SHOW ALL THE OFFSETS, CONTROL LINES, OR
<br />OTHER INSTALLATION DETAILS. THE CONTRACTOR SHALL CAREFULLY LAY OUT HIS WORK AT THE SITE TO CONFORM TO THE
<br />STRUCTURAL CONDITIONS, TO PROVIDE PROPER GRADING OF LINES, TO AVOID ALL OBSTRUCTIONS, TO CONFORM TO DETAILS OF
<br />INSTALLATION SUPPLIED BY THE MANUFACTURERS OF THE EQUIPMENT TO BE INSTALLED, AND TO THEREBY PROVIDE AN
<br />INTEGRATED, COORDINATED AND SATISFACTORY OPERATING INSTALLATION. DO NOT SCALE DRAWINGS.
<br />2. IF THE CONTRACTOR PROPOSES TO INSTALL EQUIPMENT, INCLUDING PIPING AND DUCTWORK, REQUIRING SPACE CONDITIONS
<br />OTHER THAN THOSE SHOWN, OR TO REARRANGE THE EQUIPMENT, HE SHALL ASSUME FULL RESPONSIBILITY FOR THE
<br />REARRANGEMENT OF THE SPACE AND CONNECT ARRANGEMENT AT NO ADDITIONAL COST TO THE OWNER, AND SHALL HAVE THE
<br />ENGINEER REVIEW THE CHANGE BEFORE PROCEEDING WITH THE WORK. THE REQUEST FOR SUCH CHANGES SHALL BE
<br />ACCOMPLISHED BY SHOP DRAWINGS OF THE SPACE IN QUESTION.
<br />3. TEMPORARY FILTERS SHALL BE PROVIDED FOR FANS THAT ARE USED DURING CONSTRUCTION. AT THE TIME OF STARTING THE
<br />BALANCING OF THE AIR DISTRIBUTION SYSTEM, NEW FILTERS SHALL BE INSTALLED.
<br />4. THE CONTRACTOR IS RESPONSIBLE FOR THE PROPER LOCATION AND SIZE OF ALL SLOT, HOLES OR OPENINGS IN THE BUILDING
<br />STRUCTURE PERTAINING TO HIS WORK, AND FOR THE CORRECT LOCATION OF SLEEVES, INSERTS, CORES, ETC.
<br />5. THE CONTRACTOR SHALL SO COORDINATE THE WORK OF THE SEVERAL VARIOUS TRADES THAT IT MAY BE INSTALLED IN THE MOST
<br />DIRECT AND WORKMANLIKE MANNER WITHOUT HINDERING OR HANDICAPPING THE OTHER TRADES. PIPING INTERFERENCES
<br />SHALL BE HANDLED BY GIVING PRECEDENCE TO PIPE LINES WHICH REQUIRE A STATED GRADE FOR PROPER OPERATION. FOR
<br />EXAMPLE SEWER LINES AND CONDENSATE PIPING SHALL TAKE PRECEDENCE OVER WATER LINES IN DETERMINATION OF
<br />ELEVATIONS. WHERE THERE IS INTERFERENCE BETWEEN SEWER LINES AND CONDENSATE LINES, THE SEWER LINES SHALL HAVE
<br />PRECEDENCE AND PROVISIONS SHALL BE MADE IN THE CONDENSATE LINES FOR LOOPING THEM AROUND THE SEWER LINES. IN
<br />ALL CASES, LINES REQUIRING A STATED GRADE FOR THEIR PROPER OPERATION SHALL HAVE PRECEDENCE OVER ELECTRICAL
<br />CONDUIT AND DUCTWORK.
<br />6. ALL PIPING AND DUCTWORK IN FINISHED AREAS- EXCEPT WHERE NOTED TO THE CONTRARY- SHALL BE INSTALLED IN A CHASE,
<br />FURRED SPACE, OR ABOVE CEILINGS, ETC. IN ALL CASES, PIPES AND DUCTS SHALL BE INSTALLED AS HIGH AS POSSIBLE. RUNS OF
<br />PIPING SHALL BE GROUPED WHENEVER IT IS FEASIBLE TO DO SO.
<br />7. PIPING SHALL BE INSTALLED TO PASS INSPECTIONS BY LOCAL PLUMBING INSPECTION DEPARTMENT, STATE AND FEDERAL
<br />AUTHORITIES AND INSURANCE COMPANY HAVING JURISDICTION. ANY CHANGES OR ADDITIONS WHICH MAY BE NECESSARY TO
<br />OBTAIN SUCH INSPECTIONS AND APPROVAL SHALL BE MADE BY THE CONTRACTOR AS PART OF THIS CONTRACT AND WITHOUT
<br />ADDITIONAL COST TO THE OWNER.
<br />8. PIPING, DUCTWORK OR EQUIPMENT SHALL NOT BE INSTALLED IN ELECTRICAL EQUIPMENT ROOMS OR ELEVATOR MACHINE
<br />ROOMS EXCEPT AS SERVING ONLY THOSE ROOMS. OUTSIDE OF ELECTRICAL EQUIPMENT ROOMS, DO NOT RUN PIPING OR
<br />DUCTWORK OR LOCATE EQUIPMENT, WITH RESPECT TO SWITCHBOARDS, PANEL BOARDS, POWER PANELS, MOTOR CONTROL
<br />CENTERS, DRY TYPE TRANSFORMERS OR ROOF TOP AIR CONDITIONING UNIT ELECTRICAL PANELS.
<br />9. PROVIDE ACCESS TO EQUIPMENT AND APPARATUS REQUIRING OPERATION, SERVICE OR MAINTENANCE WITHIN THE LIFE OF THE
<br />SYSTEM. INCLUDING, BUT NOT LIMITED TO, MOTORS, VALVES, FILTERS, DAMPERS, SHOCK ABSORBERS, ETC. EQUIPMENT
<br />LOCATED ABOVE LAY -IN TYPE CEILINGS IS CONSIDERED ACCESSIBLE.
<br />10.DAMAGED EQUIPMENT SHALL BE REPAIRED OR REPLACED AT THE OPTION OF THE ARCHITECT.
<br />F. ELECTRICAL WORK
<br />1. ALL ELECTRICAL EQUIPMENT PROVIDED UNDER THIS DIVISION SHALL COMPLY WITH THE ELECTRICAL SYSTEM CHARACTERISTICS
<br />INDICATED ON THE ELECTRICAL DRAWINGS AND SPECIFIED IN DIVISION 16.
<br />2. EQUIPMENT UNIT MOTOR SPEED CONTROLS, STARTERS, SYSTEM CONTROLS, PILOT LIGHTS, PUSH -BUTTONS, ETC., SHALL BE
<br />FURNISHED COMPLETE AS A PART OF THE MOTOR APPARATUS WHICH IT OPERATES. ALL COMPONENTS SHALL BE IN
<br />CONFORMANCE WITH THE REQUIREMENTS OF THE NATIONAL ELECTRICAL CODE AND DIVISION 16. ALL MOTOR STARTERS SHALL
<br />BE PROVIDED WITH AN H-O-A SWITCH AND CONTROL TRANSFORMER. ALL STARTERS AND DISCONNECT SWITCHES SHALL BE
<br />FURNISHED UNDER DIVISION 15. COORDINATE INSTALLATION WITH ELECTRICAL CONTRACTOR PRIOR TO HIS WIRING OF
<br />EQUIPMENT.
<br />3. CONTROL WIRING (120V AND LESS) SHALL BE PROVIDED UNDER DIVISION 15 AND EXTENDED FROM THE STARTERS, CONTROL
<br />TRANSFORMERS OR 120V POWER CIRCUITS INDICATED ON THE ELECTRICAL DRAWINGS. ALL WIRING FOR 120 VOLTS SHALL BE
<br />DONE BY A LICENSED ELECTRICIAN.
<br />4. ALL ELECTRICAL CHARACTERISTICS SHALL BE TAKEN FROM THE ELECTRICAL DRAWINGS AND SPECIFICATIONS AND COORDINATED
<br />BEFORE EQUIPMENT IS ORDERED OR PURCHASED.
<br />G. CUTTING AND PATCHING
<br />1. THE CONTRACTOR SHALL ASSUME ALL COST OF, AND BE RESPONSIBLE FOR, ARRANGING FOR ALL CUTTING AND PATCHING
<br />REQUIRED TO COMPLETE THE INSTALLATION OF HIS PORTION OF THE WORK. ALL CUTTING SHALL BE CAREFULLY AND NEATLY
<br />DONE SO AS NOT TO DAMAGE OR CUT AWAY MORE THAN IS NECESSARY OF ANY EXISTING PORTIONS OF THE STRUCTURE.
<br />2. ALL SURFACES SHALL BE PATCHED TO THE CONDITION OF THE ADJACENT SURFACES.
<br />3. THE CONTRACTOR SHALL MAKE SUITABLE PROVISIONS FOR ADEQUATELY WATERPROOFING AT HIS FLOOR PENETRATIONS OF
<br />WATER PROOF MEMBRANE FLOORS. THIS SHALL INCLUDE BUT NOT BE LIMITED TO FLOOR DRAINS, OPEN SIGHT DRAINS, HUB
<br />DRAINS, CLEANOUTS, AND SLEEVES FOR THE VARIOUS PIPING. THIS ALSO APPLIES TO MEMBRANE ROOFING SYSTEMS.
<br />4. ALL PENETRATIONS AND WATER PROOFING OF PENETRATIONS IN MEMBRANE ROOFING SYSTEMS SHALL BE COORDINATED WITH
<br />AND PERFORMED BY THE MANUFACTURER/INSTALLER.
<br />5. THE CONTRACTOR SHALL INSTALL, AS REQUIRED, IN CONCRETE, CARPENTRY OR MASONRY CONSTRUCTION, ALL NECESSARY
<br />HANGERS, SLEEVES, EXPANSION BOLTS, INSERTS AND OTHER FIXTURES AND APPURTENANCES NECESSARY FOR THE SUPPORT OF
<br />PIPE, DUCT, EQUIPMENT AND DEVICES FURNISHED UNDER EACH SECTION OF THE SPECIFICATION.
<br />6. FOR WALLS BETWEEN INTERIOR AND BELOW GRADE AREA, THE LINK -SEAL SYSTEM AS MANUFACTURED BY THUNDERLINE
<br />CORPORATION SHALL BE USED TO SEAL PIPE TO WALL PENETRATIONS. INSTALL SYSTEM IN ACCORDANCE WITH MANUFACTURER'S
<br />INSTRUCTIONS.
<br />7. ESCUTCHEONS SHALL BE INSTALLED ON ALL PIPES WHERE THEY PASS THROUGH FLOORS, CEILINGS, WALLS OR PARTITIONS IN
<br />FINISHED AREAS WHERE EXPOSED TO VIEW.
<br />8. WHERE AND HVAC OR PLUMBING REPLACEMENT SCOPE IS INDICATED, MECHANICAL CONTRACTOR SHALL PROVIDE FOR THE
<br />DEMOLITION OF EXISTING SYSTEMS THAT ARE BEING REPLACED OR ABANDONED
<br />H. ACCESS DOORS
<br />1. FURNISH AND INSTALL ACCESS DOORS AT EACH POINT REQUIRED TO PROVIDE ACCESS TO CONCEALED VALVES, CLEANOUTS AND
<br />OTHER DEVICES REQUIRING OPERATION, ADJUSTMENT OR MAINTENANCE. ACCESS DOORS SHALL BE 16 GAUGE STEEL, PRIME
<br />COAT FINISH, WITH MOUNTING STRAPS, CONCEALED HINGES AND SCREWDRIVER LOCKS, DESIGNED FOR THE DOORS TO OPEN 180
<br />DEGREES.
<br />2. ACCESS DOORS INSTALLED IN FIRE WALLS OR PARTITIONS SHALL BE UL LABELED TO MAINTAIN THE FIRE RATING OF THE WALL OR
<br />PARTITION.
<br />I. FLAME SPREAD AND SMOKE DEVELOPED PROPERTIES OF MATERIALS
<br />1. MATERIALS AND ADHESIVES USED THROUGHOUT THE MECHANICAL AND ELECTRICAL SYSTEMS FOR INSULATION, AND JACKETS OR
<br />COVERINGS OF ANY KIND, OR FOR PIPING OR CONDUIT SYSTEM COMPONENTS, SHALL HAVE A FLAME SPREAD RATING NOT OVER
<br />25 WITHOUT EVIDENCE OF CONTINUED COMBUSTION AND WITH A SMOKE DEVELOPED RATING NOT HIGHER THAN 50. IF SUCH
<br />MATERIALS ARE TO BE APPLIED WITH ADHESIVES, THEY SHALL BE TESTED AS APPLIED WITH SUCH ADHESIVES, OR THE ADHESIVES
<br />USED SHALL HAVE A FLAME SPREAD RATING NOT OVER 25 AND A SMOKE DEVELOPED RATING NOT HIGHER THAN 50.
<br />11. INSULATION
<br />A. GENERAL PIPE INSULATION
<br />1. FIBERGLASS SHALL BE ACCEPTABLE FOR INDOOR HOT & COLD DOMESTIC; HYDRONIC PIPING; AND INSULATED DRAINAGE PIPING.
<br />PROVIDE PREFABRICATED FITTINGS FOR ELBOWS AND TEE'S. PROVIDE PREFAB PVC FITTINGS OR WHITE ALL SERVICE (INTEGRAL TO PREFAB
<br />PIPING ELBOW) PIPING ELBOW JACKETING. PROVIDE PIPE LABELING FOR ALL INSULATED, JACKETED INDOOR PIPING. PVC JACKETING SHALL
<br />NOT BE PERMITTED IN RETURN PLENUM AREAS. ALL JACKEING SEAMS SHALL BE SEALED AIR -TIGHT FOR CONTINUOUS VAPOR BARRIER.
<br />2. FITTINGS AND VALVES SHALL BE INSULATED WITH PRE -FORMED FITTINGS, FABRICATED SECTIONS OF PIPE INSULATION, TANK
<br />INSULATION, BLANKET INSULATION, OR INSULATING CEMENT. THICKNESS SHALL BE EQUAL TO ADJACENT PIPE INSULATION. FINISH SHALL BE
<br />WITH PRE -FORMED PVC FITTING COVERS OR AS OTHERWISE SPECIFIED ON CONTRACT DRAWINGS.
<br />3. FLANGES, COUPLINGS AND VALVE BONNETS SHALL BE COVERED WITH AN OVERSIZED PIPE INSULATION SECTION SIZED TO PROVIDE THE
<br />SAME INSULATION THICKNESS AS ON THE MAIN PIPE SECTION. AN OVERSIZED INSULATION SECTI N HALL BE D T F RM A COLLAR
<br />0 S USE O 0
<br />BETWEEN THE TWO INSULATION SECTIONS WITH LOW -DENSITY BLANKET INSULATION BEING USED TO FILL GAPS. JACKETING SHALL MATCH
<br />THAT USED ON STRAIGHT PIPE SECTIONS. ROUGH CUT ENDS SHALL BE COATED WITH ITABLE R M TI A
<br />SU WEATHER OR VAPOR ESISTANT AS C S
<br />DICTATED BY THE SYSTEM LOCATION AND SERVICE. ON HOT SYSTEMS WHERE FITTINGS ARE TO BE LEFT EXPOSED, INSULATION ENDS SHOULD
<br />BE BEVELED AWAY FROM BOLTS FOR EASY ACCESS.
<br />B. INSULATION THICKNESS
<br />1. DOMESTIC COLD WATER INSULATION SHALL BE 1" MINIMUM OR AS RE UIRED BY LOCAL ENERGY CODES.
<br />Q
<br />2. FOR MEDIA BELOW 60 DEGREES INSULATION SHALL BE 1" UP TO 1-'/," PIPE SIZE; 1.5" THICK UP TO 3" PIPE SIZE; AND 2" THICK BEYOND
<br />3" PIPE SIZE.
<br />3. CHILLED WATER PIPING INSULATION SHALL BE 1" UP TO 1-1/4" PIPE SIZE, 1.5" UP TO 3".
<br />C. FIBERGLASS PIPE INSULATION
<br />1. ONE PIECE FIBROUS GLASS PIPE INSULATION WITH FACTORY APPLIED ALUMINUM FOIL AND WHITE KRAFT PAPER FLAME RETARDANT
<br />VAPOR BARRIER JACKET.
<br />2. PROVIDE SELF-SEALING LONGITUDINAL JACKET LAPS AND BUTT STRIP . AVERA E T ER A ARE
<br />S G H M L CONDUCTIVITY• 0.23 BTU/IN PER SQU
<br />FOOT PER DEGREES F PER HOUR AT 75 DEGREES F MEAN TEMPERATURE.
<br />3. PROVIDE INSULATION CEMENT FIBERGLASS REINFORCEMENT FABRI VAP R BARRI
<br />C 0 ER COATING FOR CONTINUOUS AIR TIGHT
<br />INSULATION WITH VAPOR BARRIER.
<br />D. FOAMGLASS PIPE INSULATION
<br />1. FOAM GLASS TYPE PIPE INSULATION SHALL HAVE MAXIMUM K_FACTOR OF 0.38 AT 50 DEGREES F MEAN TEMPERATURE. MINIMUM
<br />DENSITY SHALL BE 8 LB/CU. FT., 1 1/2" THICK MINIMUM. PROVIDE MASTIC, FIBERGLASS REINFORCED STRAPPING TAPE TO ASSURE AIR -TIGHT
<br />MOISTURE -PROOF INSULATION. PROVIDE WITH ALUMINUM JACKETING THAT SHALL BE 0.016" THICK WITH FITTING COVERS 0.024" THICK.
<br />PROVIDE WITH 5 WATT/FT HEAT TRACING BELOW INSULATION FOR OUTDOOR, ABOVE -GROUND INSTALLATION.
<br />2. PROVIDE FOAM GLASS INSERTS AT PIPE HANGERS, CLAMPS, OR OTHER SUPPORTS IN FIBERGLASS OR ELASTOMERIC PIPE INSULATION
<br />INSTALLATIONS INSERTS SHALL BE SAME THICKNESS AS ADJOINING PIPE INSULATION. VAPOR SEAL SHALL BE AS HEREINBEFORE SPECIFIED.
<br />ALUMINUM JACKETING SHALL NOT BE REQUIRED FOR INDOOR INSERTS (PVC OR WHITE ALL -SERVICE FOIL/KRAFTJACKETING MEDIA SHALL BE
<br />USED).
<br />E. ELASTOMERIC (CLOSED CELL FOAM) PIPE INSULATION
<br />1. ELASTOMERIC SHALL BE PROVIDED FOR ALL REFRIGERANT PIPING AND OUTDOOR INSULATED PIPING AND MAY BE USED FOR INDOOR
<br />DOMESTIC OR CONDENSATE PIPING. PIPING WILL REQUIRE JACKETING- ALUMINUM FOR OUTDOOR PIPING OR FOIL/WHITE KRAFT MEDIA OR
<br />PVC FOR INDOOR PIPING. PROVIDE WITH FULL ADHESIVE ADHERING SEAMS AND JOINTS FOR CONTINUOUS VAPOR BARRIER. ELBOWS SHALL
<br />BE FORMED BY CUTTING SEGMENTS AT 30 DEGREE ANGLES (3 SEGMENTS AT EACH 90 DEGREE BEND) WITH MASTIC AT ALL SEAMS. PROVIDE
<br />PREFORMED JACKETING ELBOWS AT ALL PIPING ELBOWS.
<br />F. FIBERGLASS BLANKET INSULATION FOR DUCTWORK (INDOOR DUCT ONLY
<br />1. INSULATION SHALL BE BLANKET TYPE FIBERGLASS INSULATION WITH AVERAGE THERMAL CONDUCTIVITY NOT EXCEEDING 0.29 BTU_IN.
<br />PER SQUARE FEET PER DEGREES F PER HOUR AT MEAN TEMPERATURE OF 75 DEGREES F. WITH A MINIMUM DENSITY OF 1 LB/CU. FT., 2"
<br />THICK MINIMUM AND FOIL INSULATION FACE. PROVIDE FIRE RETARDANT ADHESIVE OR FOIL REINFORCED KRAFTTAPE, 3" WIDE AT ALL
<br />SEAMS. SECURE INSULATION TO DUCT WITH 18 GAUGE TIE -WIRE OR 1/2" X 0.015" GALVANIZED STEEL STRAPS. PROVIDE COMPLETE AIR -TIGHT
<br />VAPOR BARRIER FOR ALL DUCTWORK. STAPLES SHALL NOT BE PERMITTED FOR ANY INSULATION ATTACHMENT. PROVIDE GRAY SEALER FOR
<br />SEALING JOINTS, PENETRATION AND PUNCTURES.
<br />2. CONTINUE INSULATION THROUGH WALL AND CEILING OPENINGS AND SLEEVES, EXCEPT TERMINATE DUCT INSULATION AT FIRE
<br />DAMPERS AND AT FLEXIBLE DUCT CONNECTIONS AT AIR HANDLING UNITS.
<br />3. PROTECT INSULATION FROM PHYSICAL DAMAGE AT POINTS OF SUPPORT WHERE INSULATION MUST CARRY LOAD IMPOSED BY SUPPORT.
<br />COORDINATE THIS REQUIREMENT WITH TYPES OF HANGER AND SUPPORT USED. HANGERS THAT PENETRATE INSULATION SHALL BE SEALED
<br />WITH MASTIC TO PRESERVE CONTINUOUS VAPOR BARRIER.
<br />G. ELASTOMERIC (CLOSED CELL FOAM) DUCT LINER
<br />1. INSTALL INSIDE OF DUCT WITH FULL ADHESIVE COVERAGE ATTACHMENTTO THE SURFACE TO WHICH IT IS APPLIED; 1" FOR INDOOR AND
<br />1-1/2" FOR OUTDOOR. R VALUES SHALL BE R-4.2 FOR 1" AND R-6.2 FOR 1-1/2". FIBERGLASS DUCT LINER SHALL NOT BE PERMITTED UNDER
<br />ANY CIRCUMSTANCES. PROVIDE WITH ANTIMICROBIAL PROTECTION. PROVIDE MASTIC AT ALL INTERIOR SEEMS FOR CONTINUOUS VAPOR
<br />BARRIER. PROVIDE DUCT LINER AT FIRST FIVE FEET OF SUPPLY DUCT FOR REFRIGERATION/COOLING AIR HANDLING EQUIPMENT, UPSIZING
<br />INDICATED DUCT SIZE TO ACCOUNT FOR INSULATION THICKNESS. FIBERGLASS DUCT LINER OR DUCT BOARD SHALL NOT BE PERMITTED.
<br />VIBRATION ISOLATION
<br />A. ALL MOTORIZED AIR MOVING AND FLUID MOVING EQUIPMENT PIECE SHALL BE PROVIDED WITH VIBRATION ISOLATION MOUNTING OR
<br />SUPPORTS.
<br />B. PAD -TYPE ISOLATORS SHALL BE NEOPRENE IN -SHEAR ISOLATION PADS WITH CROSSED DOUBLE RIBS. A STEEL SHIM PLATE SHALL BE
<br />PROVIDED BETWEEN THE TWO LAYERS. PADS SHALL BE MOLDED USING OIL RESISTANT 25,000 PSI TENSILE STRENGTH NEOPRENE.
<br />C. HANGING ISOLATORS FOR ITEMS 300 LBS OR LESS SHALL BE BRIDGE -BEARING NEOPRENE MOUNTINGS AND SHALL HAVE A MINIMUM
<br />STATIC DEFLECTION OF 0.2" AND ALL DIRECTIONAL SEISMIC CAPABILITY. THE ELEMENTS SHALL PREVENT THE CENTRAL THREADED SLEEVE AND
<br />ATTACHMENT BOLT FROM CONTACTING THE CASTING DURING NORMAL OPERATION. THE SHOCK ABSORBING NEOPRENE MATERIALS SHALL
<br />BE COMPOUNDED TO BRIDGE -BEARING SPECIFICATIONS. MASON HD, KINETICS
<br />D. HANGING ISOLATORS FOR EQUIPMENT ABOVE 300 LBS SHALL BE STEEL SPRING -TYPE INCORPORATING STEEL HOUSING, NEOPRENE OR
<br />LDS RUBBER SPRING CUP SIZED FOR 1" DEFLECTION. INSTALL SPRING IN PLUMB CONFIGURATION WITH MAXIMUM 1" DEFLECTION FROM ANY
<br />HORIZONTAL DISTORTION. THE ELEMENTS SHALL PREVENT THE CENTRAL THREADED SLEEVE AND ATTACHMENT BOLT FROM CONTACTING
<br />THE CASTING DURING NORMAL OPERATION. CONTRACTOR SHALL SELECT SPRING COLOR/RATING BASED ON EQUIPMENT WEIGHT. AMBER
<br />BOOTH SH, KINETICS SH, MASON 30 OR EQUIVALENT.
<br />IV. DUCTWORK AND FITTINGS
<br />A. MATERIAL AND TYPE
<br />1. DUCT CONSTRUCTION SHALL CONFORM TO THE RECOMMENDATIONS OF THE SMACNA HVAC DUCT CONSTRUCTION MANUAL.
<br />DUCTBOARD SHALL NOT BE PERMITTED.
<br />2. RIGID, SQUARE DUCTWORK SHALL BE CONSTRUCTED OF LOCK FORMING QUALITY GALVANIZED STEEL SHEETS PER ASTM A527.
<br />GALVANIZED COATING SHALL BE NOT LESS THAN 1.25 OUNCES (TOTAL FOR BOTH SIDES) PER SQUARE FOOT OF SHEET. DUCTWORK SHALL BE
<br />CLASSIFIED AND CONSTRUCTED SMACNA PRESSURE CLASSES: +2 FOR SUPPLY AND -2 FOR RETURN AND EXHAUST. DUCTWORK GAUGE SHALL
<br />BE 26 GAUGE UP TO 30" AND 22 GAUGE ABOVE 30" IN CROSS SECTIONAL HEIGHT, WIDTH, OR DIAMETER.
<br />3. CONCEALED ROUND DUCTS UP TO 12" IN DIAMETER IN PRESSURE CLASSES 2" AND LOWER SHALL BE LONGITUDINAL SEAM
<br />CONSTRUCTION.
<br />4. EXPOSED ROUND DUCTWORK OR ROUND ABOVE 12" SHALL BE SPIRAL LOCK_SEAM CONSTRUCTION. ROUND FITTINGS SHALL BE FUSION
<br />WELDED BUT SEAM TYPE WITH ALL WELDS CONTINUOUS ALONG SEAMS. ALL DIVIDED FLOW FITTINGS SHALL BE MANUFACTURED AS
<br />SEPARATE FITTINGS _TAP COLLARS WELDED INTO SPIRAL DUCT SECTIONS WILL NOT BE PERMITTED. ALL DIVIDED FLOW FITTINGS 12" IN
<br />DIAMETER AND SMALLER SHALL HAVE RADIUSED ENTRANCE PRODUCED BY MACHINE OR PRESS FORMING; ALL DIVIDED FLOW FITTINGS 14"
<br />AND LARGER SHALL HAVE CONICAL ENTRANCE PRODUCED BY MACHINE OR PRESS FORMING. ALL DIVIDED FLOW ENTRANCES SHALL BE FREE
<br />OF WELD BUILD-UP, BURRS AND IRREGULARITIES. FITTINGS SHALL BE OF THE SAME MANUFACTURER AS THE DUCTWORK.
<br />5. DUCT SEALANT SHALL BE POLYMERIC RUBBER BASE MASTIC, MINERAL IMPREGNATED WOVEN FIBER TAPE WITH ADHESIVE, OR
<br />HEAT_SHRINK WITH ADHESIVE. TAPE THICKNESS UP TO 10" = 2"; UP TO 20" = 3"; OVER 20" = 4"
<br />6. INSULATED FLEXIBLE DUCT SHALL BE CLASS 1 AIR DUCT IN ACCORDANCE WITH UL 181 AND SHALL COMPLY WITH NFPA 90A AND 90B.
<br />INSULATED FLEXIBLE DUCT SHALL CONSIST OF AN INNER FILM LAYER FOR MINIMUM WORKING PRESSURE OF 6" WATER GAUGE BONDED TO A
<br />STEEL OR ALUMINUM SPRING WIRE HELIX, FIBERGLASS INSULATION, AND A VAPOR BARRIER JACKET. INSULATION SHALL HAVE A MAXIMUM
<br />U_VALVE OF .23 BTU/HR/SQFT/DEG F AT 75 DEGREES F MEAN TEMPERATURE. VAPOR BARRIER JACKET SHALL HAVE A MAXIMUM VAPOR
<br />TRANSMISSION RATE OF 0.1 GRAINS/SQ. FT./HR/INCH HG (PERM). THE ASSEMBLY SHALL HAVE A MAXIMUM FLAME AND SMOKE RATING OF
<br />25/50 PER ASTM E84 AND NFPA 255. FLEXIBLE DUCTS SHALL BE INSTALLED IN AN EXTENDED CONDITION FREE OF SAGS AND KINKS, USING
<br />ONLY THE MINIMUM LENGTH REQUIRED TO MAKE THE CONNECTION. ABRUPT BENDS AND TURNS THAT CRIMP THE DUCT AND RESTRICT AIR
<br />FLOW SHALL NOT BE PERMITTED. HORIZONTAL SUPPORTS SHALL BE 3/4" WIDE, 22 GAUGE FLAT GALVANIZED STEEL SHEET BANDING
<br />MATERIAL. FLEXIBLE DUCTS SHALL BE SUPPORTED ON 36" CENTERS. MAXIMUM LENGTH OF FLEXIBLE DUCT IN PRESSURE CLASS 2" AND
<br />BELOW SHALL BE 12 FEET. FLEXIBLE DUCT SHALL NOT BE USED ABOVE INACCESSIBLE CEILINGS.
<br />7. GREASE DUCT SERVING TYPE I HOODS SHALL BE 16 GAUGE BLACK IRON OR 18 GAUGE STAINLESS STEEL WELDED WITH AIR TIGHT SEAM.
<br />PROVIDE DUCT CLEANOUTS AT ALL CHANGES OF DIRECTION. FOR INSTALLATIONS THAT WILL RESULT IN A DUCT OR SECTION OF DUCT WITHIN
<br />18" OF COMBUSTIBLE MATERIAL, PROVIDE FIRE -RATED INSULATION AS REQUIRED FOR A ZERO INCH CLEARANCE TO COMBUSTIBLE INSTALLED
<br />PER MANUFACTURER'S AND/OR RATING AGENCY REQUIREMENTS COMPLETE WITH ALL REQUIRED PENETRATION TREATMENTS, NUMBER IF
<br />INSULATING LAYERS AND APPROVED PREFABRICATED, RATED ACCESS PANELS. DO NOT PROVIDE VENTED ROOF CURBS FOR FIRE WRAPPED
<br />GREASE EXHAUST DUCTS.
<br />8. DISHWASHER EXHAUST DUCT SHALL BE STAINLESS STEEL.
<br />B. DAMPERS
<br />1. DAMPERS SHALL BE SINGLE BLADE BUTTERFLY TYPE IN DUCTS UP TO AND INCLUDING 18" X 12" SIZE; FOR DUCTS LARGER THAN 18" X
<br />12", IN EITHER OR BOTH DIMENSIONS, THE DAMPERS SHALL BE THE MULTI_BLADE TYPE. SINGLE BLADE BUTTERFLY DAMPER SHALL BE
<br />CONSTRUCTED OF NOT LESS THAN 16_GAUGE GALVANIZED STEEL BLADE MOUNTED IN A GALVANIZED STEEL FRAME. FOR RECTANGULAR
<br />DAMPERS, THE TOP AND BOTTOM EDGES OF THE BLADE SHALL BE CRIMPED TO STIFFEN THE BLADE. DAMPER SHALL BE PROVIDED WITH AN
<br />EXTENDED ROD TO PERMIT INSTALLATION OF A DAMPER REGULATOR.
<br />2. MULTI_BLADE DAMPERS SHALL BE THE OPPOSED BLADE TYPE, CONSTRUCTED OF NOT THAN 16_GAUGE GALVANIZED STEEL BLADES
<br />MOUNTED IN GALVANIZED STEEL CHANNEL FRAME. BLADE SPACING SHALL NOT EXCEED 6 INCHES AND THE TOP AND BOTTOM EDGES OF THE
<br />BLADES SHALL BE CRIMPED TO STIFFEN THE BLADES. DAMPER BLADES SHALL BE INTERCONNECTED BY RODS AND LINKAGES TO PROVIDE
<br />SIMULTANEOUS OPERATION OF ALL BLADES. DAMPERS SHALL BE PROVIDED WITH EXTENDED RODS TO PERMIT INSTALLATION OF DAMPER
<br />OPERATORS.
<br />3. DUCT MOUNTED DIAL REGULATORS WITH OPERATING HANDLE SHALL BE PROVIDED OR DAMPERS WHICH ARE LOCATED ABOVE HARD
<br />CEILINGS OR INACCESSIBLE LOCATIONS. CONCEALED CEILING MOUNTED DIAL REGULATORS SHALL BE PROVIDED ON VOLUME CONTROL
<br />DAMPERS WHICH ARE LOCATED ABOVE HARD CEILINGS. CONCEALED REGULATORS SHALL BE PROVIDED WITHIN DIFFUSER FACE WITH SCREW
<br />ADJUSTMENT.
<br />4. PROVIDE DAMPERS AT ALL SUPPLY AND RETURN DUCT RUN OUTS TO EACH AIR DISTRIBUTION DEVICE WITH ACCESSIBLE ADJUSTMENT
<br />LEVER OR DIAL -TYPE REGULATOR ACTUATOR.
<br />C. DUCT FITTINGS
<br />1. SPIN_IN COLLARS SHALL BE GALVANIZED STEEL FOR USE WITH RECTANGULAR OR SQUARE SHEET METAL DUCTWORK. SPIN -IN COLLARS
<br />SHALL HAVE AIR SCOOP (FOR SUPPLY DUCTS) AND DAMPER (SUPPLY AND RETURN).
<br />2. TURNING VANES SHALL BE INSTALLED IN ALL 90 DEGREES SQUARE AND RECTANGULAR ELBOWS AND AT OTHER LOCATIONS SHOWN ON
<br />THE DRAWINGS WITH THE EXCEPTION OF KITCHEN EXHAUST.
<br />3. CURVED ELBOWS SHALL HAVE A CENTERLINE RADIUS NOT LESS THAN 1 1/2 TIMES THE DUCT WIDTH.
<br />4. DISSIMILAR METALS SHALL BE ISOLATED TO PREVENT GALVANIC CORROSION. JOINTS NOT PROVIDED WITH GASKETS SHALL BE ISOLATED
<br />WITH 1/161NCH MINIMUM THICKNESS ASPHALT IMPREGNATED BUILDING PAPER.
<br />5. PROVIDE DAMPERS AT RETURN DUCT AND OUTSIDE AIR DUCT CONNECTIONS DOWNSTREAM OF ANY DUCT CONNECTIONS OR TAKE
<br />OFFS.
<br />6. FLEXIBLE DUCT CONNECTIONS SHALL BE NON-COMBUSTIBLE GLASS FABRIC DOUBLE COATED WITH NEOPRENE 30 OZ. PER SQUARE YARD.
<br />7. FIRE DAMPERS SHALL BE THE FOLDING BLADE FUSIBLE LINK TYPE CONFORMING TO UL 555 AND LABELED FOR INSTALLATION IN FIRE
<br />RATED WALLS AND FLOORS. DAMPERS IN FLOOR SHALL HAVE SPRING OPERATOR. DAMPERS, EXCEPT FOR LOWER SECTIONS OF A MULTIPLE
<br />SECTION ASSEMBLY, AND THOSE INSTALLED BEHIND GRILLES AND REGISTERS, SHALL HAVE BLADES OUT OF THE AIR STREAM WHEN DAMPER
<br />IS IN THE OPEN POSITION. DAMPERS IN WALLS OR FLOORS RATED 2 HOURS OR LESS SHALL BE RATED FOR 1 1/2 HOURS; DAMPERS IN WALLS
<br />RATED 3 OR 4 HOUR SHALL BE RATED FOR 3 HOURS. DAMPERS SHALL BE CONSTRUCTED OF GALVANIZED STEEL. PROVIDE AT EACH FIRE
<br />RATED WALL PENETRATION (REFER TO ARCH. DRAWINGS)
<br />8. SMOKE DAMPERS SHALL BE THE MULTI -BLADE TYPE CONFORMING TO UL 555S WITH AN ASSEMBLY TEMPERATURE RATIN F 2
<br />G 0 50
<br />DEGREES F. DAMPER SHALL BE CONSTRUCTED OF GALVANIZED STEEL AND SHALL BE PROVIDED WITH A FACTORY-M UNTED ELE RI
<br />0 CT C
<br />DAMPER OPERATOR, SUITABLE FOR OPERATION ON 120V, 60 HZ SUPPLY. PROVIDE AT EACH SMOKE BARRIER LOCATION (REFER TO ARCH
<br />DRAWINGS .
<br />9. DUCT -TO -DUCT JOINTS IN ROUND DUCT UP TO AND INCLUDING 60" IN DIAMETER SHALL BE MADE BY USING SLEEVE COUPLINGS,
<br />REINFORCED BY ROLLED BEADS. DUCT -TO -FITTING JOINTS IN ROUND DUCT UP TO AND INCLUDING 60" IN DIAMETER HALL BE MADE Y
<br />S B
<br />SLIP_FIT OF THE PROJECTING COLLAR ON THE FITTING INTO THE DUCT. SLEEVE SHALL BE THE SAME GAUGE GALVANIZED STEEL AS TH D
<br />E UCT;
<br />INSERTION LENGTH OF SLEEVE COUPLING AND FITTING COLLAR SHALL BE NOT LESS THAN 2". AFTER THE JOINT IS SLIPPED TO ETHER E
<br />G SH ET
<br />METAL SCREWS SHALL BE INSTALLED FOR ECHANICAL STRENGTH• SCREWS SHALL BEE UALLY PA ED N M RE T A
<br />M Q S C 0 0 H N 12" ON CENTERS
<br />AND WITH A MINIMUM OF 3 SCREWS IN EACH JOINT. SCREWS SHALL BE PLACED AT 1/2" FROM THE JOINT BEAD. DUCT -TO -DUCT JOINTS IN
<br />DUCTS UP TO AND INCLUDING 12" IN DIAMETER FOR PRESSURE CLASS 2" AND BELOW MAY BE THE BEADED -CRIMP TYPE AND EACH JOINT
<br />SHALL BE FASTENED WITH SHEET METAL SCREWS, EQUALLY SPACED, NOT MORE THAN 12" ON CENTERS AND WITH A MINIMUM OF 3 SCREWS
<br />IN EACH JOINT. THE BEADED -CRIMP JOINT SHALL PROVIDE AT LEASTA 1 LAP TO ACCOMM DATE THE HEET META
<br />0 S L SCREWS
<br />10. ALL DUCT JOINTS LONGITUDINAL TRANSVERSE AND DUCT PENETRATIONS SHALL BE SEALED USING METHODS OUTLINED IN SMACNA
<br />HVAC AIR DUCT LEAKAGE TEST MANUAL.
<br />11. DUCT COLLARS SHALL BE PROVIDED WHERE DUCTS PASS THROUGH MASONRY WALLS AND PARTITIONS WHICH EXTEND FULL HEIGHT TO
<br />THE UNDERSIDE OF THE STRUCTURE AND SHALL BE FABRICATED FROM 22 GAUGE GALVANIZED STEEL SHEET. DUCT COLLAR SHALL BE
<br />PROVIDED ON BOTH SIDES OF WALL AND PARTITION EXCEPT OLLAR HALL BE M TTED
<br />S S C 5 0 I ON THAT SIDE OF THE WALL ON WHICH
<br />REGISTERS AND GRILLES ARE INSTALLED. FLANGES SHALL BE INSTALLED TIGHT AGAINST THE WALL. THE SPACE BETWEEN THE DUCT AND THE
<br />WALL SHALL BE PACKED WITH FIBERGLASS BLANKET IN ULATION.
<br />S
<br />12. DUCT HANGERS AND SUPPORTS SHALL BE IN ACCORDANCE WITH SMACNA HVAC DUCT CONSTRUCTION STANDARDS. IN ADDITION,
<br />HANGERS SHALL BE SPACED NOT OVER 8'_0" ON CENTERS. FOR RECTANGULAR DUCTS, WITH LONGEST DIMENSIONS UP THROUGH 60"
<br />HANGERS, THE HANGERS SHALL BE GALVANIZED STEEL STRAP TYPE; WITH LONGEST DIMENSION 61" AND LARGER, HANGERS SHALL BE
<br />TRAPEZE TYPE CONSTRUCTED OF GALVANIZED STEEL ANGLES WITH ROUND HANGERS RODS. SIZES FOR STRAP HANGERS AND TRAPEZE
<br />ANGLES AND RODS SHALL BE BASED ON DUCT SIZE AS SCHEDULED IN THE SMACNA HVAC DUCT CON TRUCTION STANDARD .
<br />S S
<br />13. FOR ROUND DUCTS; THE HANGERS SHALL BE THE GALVANIZED STEEL STRAP HANGERS. SIZES AND NUMBER FOR STRAP HANGERS SHALL
<br />BE BASED ON DUCT SIZE AS SCHEDULED IN THE SMACNA HVAC DUCT CONSTRUCTION STANDARDS.
<br />D. ROOF CAPS
<br />1. UNLESS OTHERWISE SPECIFIED, ROOF INTAKE AND EXHAUST CAPS SHALL BE ROUND, MINIMUM 16 GAUGE SPUN -ALUMINUM WITH
<br />CONTINUOUSLY WELDED CURB CAP. PROVIDE WITH MANUFACTURER'S ROOF CURB. PROVIDE SLOPED CURB FOR PITCHED ROOFS. EXHAUST
<br />ROOF HOODS PROVIDED WITH BACKDRAFT DAMPER. OA HOODS SHALL BE PROVIDED WITH A 120/1 MOTORIZED DAMPER TO CLOSE WHEN
<br />EQUIPMENT SERVED IS POWERED DOWN UNLESS INDIVIDUAL MOTORIZED DAMPERS ARE INDICATED AT EQUIPMENT BRANCHES.
<br />E. LOUVERS
<br />1. LOUVERS SHALL BE STATIONARY ALUMINUM, 4" DEEP WITH DRAINABLE BLADES, HIDDEN MULLION, ALL 0.081" ALUMINUM WALL
<br />THICKNESS, AND KYNAR FINISH TO BE COORDINATED WITH ARCHITECT FOR COLOR. LOUVER SIZED FOR 50% FREE AREA FOR 800 FPM
<br />AIRSPEED TO PREVENT WATER ENTRAINMENT. PROVIDE EACH LOUVER WITH A MINIMUM 18" DEEP FULL SIZE PLENUM WITH DUCT
<br />CONNECTION SIZED AS INDICATED. PROVIDE OUTDOOR AIR SUPPLY LOUVERS INLET PLENUMS WITH ELASTOMERIC LINER AND PROVIDE
<br />MOTORIZED DAMPER AT CONNECTED DUCT. LAYOUT BASIS IS RUSKIN ELF375DX. PROVIDE WITH INSECT SCREENING AT LOUVER FACE.
<br />V. HVAC EQUIPMENT
<br />A. CONTRACTOR SHALL VERIFY REASONABLE OPERATION OF EXISTING UNIT TO REMAIN IN USE AND MAKE ANY REPAIRS OR COMPONENT
<br />REPLACEMENT REQUIRED TO HAVE THE UNITS OPERATE A FULL CAPACITY. ALL RUST AND EXTERIOR DAMAGE SHOULD BE REPAIRED AND
<br />PAINTED. A TECHNICIAN'S REPORT SHOULD BE ATTAINED AND DELIVERED TO THE OWNER FOR APPROVAL FOR EXISTING EQUIPMENT REPAIRS.
<br />B. ALL NEW AND REUSED UNIT ACCESS AND CONNECTION OPENINGS SHALL BE SEALED WITH PROVIDED GROMMETS, GASKETS FOR AIR
<br />TIGHT CONSTRUCTION WITH CONTINUOUS CASE INSULATION. CONTRACTOR TO REPAIR OR REPLACE DAMAGED DOORS, SEALS, GASKETS,
<br />GROMMETS ETC... THAT PREVENT AIR -TIGHT CASING.
<br />C. ALL EXHAUST SHALL BE DUCTED FROM UNIT OUTLET TO ROOF CAP INLET OR LOUVER WITH CONTINUOUSLY SEALED DUCTING. NO
<br />EXHAUST SHALL BE OPENED INTO THE BUILDING EXTERIOR. PROVIDE ENCLOSED DUCT TRANSITION TO EACH ROOF CAM OR WALL LOUVER.
<br />D. ALL AIR MOVING EQUIPMENT SHALL BE PROVIDED WITH VIBRATION ISOLATION AND FLEXIBLE DUCT CONNECTIONS.
<br />E. CONTRACTOR SHALL PROVIDE GRAVITY DRAINAGE FOR ALL CONDENSATE -PRODUCING HEATING/COOLING EQUIPMENT VIA GRAVITY
<br />DRAINAGE OR CONDENSATE PUMP IF GRAVITY DRAINAGE CANNOT BE ACHIEVED.
<br />F. PROVIDE 2 SETS OF FILTERS FOR EACH FILTERED HVAC EQUIPMENT PIECE. PROVIDE FILTER AT INITIAL START-UP, JUST BEFORE TEST AND
<br />BALANCE AND AGAIN AT TURN OVER TO OWNER. ALL AIR INLETS AND UTLETS SHALL BE EALED WI H F T R M
<br />0 S T IL E EDIA DURING GENERAL
<br />CONSTRUCTION PRIOR TO TEST AND BALANCE.
<br />G. ROOFTOP UNITS
<br />1. PROVIDE PACKAGED DX ROOFTOP UNITS MANUFACTURED BY TRANE, LENNOX, AAON, CARRIER, OR YORK. PROVIDE WITH CAPACITIES
<br />AND ACCESSORIES PER UNIT SCHEDULE. PROVIDE CUSTOM SLOPED ROOF CURBS FOR ROOFS WITH GREATER THAN 2% SLOPE. PROVIDE
<br />VIBRATION ISOLATION TYPE ROOF CURBS FOR UNITS DIRECTLY OVER MUSIC REHEARSAL, PERFORMANCE OR OTHER ASSEMBLY AREAS. ALL
<br />UNITS SHALL BE PROVIDED WITH A MOTORIZED OA DAMPER OR ECONOMIZER, COIL GUARDS, HINGED ACCESS PANELS, SUPPLY AND RETURN
<br />SMOKE DETECTORS, STAINLESS STEEL DRAIN PAN AND BURNER (FOR GAS UNITS). PROVIDE EACH RTU WITH CONVENIENCE RECEPTACLE
<br />(SEPARATE CIRCUIT) AND DISCONNECT. OTHERWISE COORDINATE WITH THE ELECTRICAL CONTRACTOR FOR FIELD -MOUNTED DISCONNECT
<br />AND RECEPTACLE. ROUTE ALL CONDENSATE PIPING TO NEAREST ROOF DRAIN OR OTHER LOCALLY APPROVED LOCATION WITH THE REQUIRED
<br />AIR GAP. NO PIPING SHALL SIT ON THE ROOF SURFACE. SHIFT EXISTING OR NEW VENTS OR EXHAUST TERMINATIONS OR SHIFT UNITS AS
<br />NEEDED TO ASSURE 10' BETWEEN ANY EXHAUST OR FLUE AND THE RTU INTAKE.
<br />2. ADAPTER CURBS MAY BE USED WITH SPECIFIC ENGINEER APPROVAL OF SPECIFICALLY SUBMITTED ROOF CURBS (MAXIMUM OF 18" CURB
<br />HEIGHT). CONTRACTOR SHALL BE RESPONSIBLE FOR STRUCTURAL ANALYSIS OF EXISTING CURBS AND UNIT SUPPORTS FOR ADAPTER CURB
<br />CONNECTIONS.
<br />G. SPLIT SYSTEMS
<br />1. INDOOR UNITS SHALL BE INSTALLED DEAD LEVEL WITH PROVISIONS FOR POSITION, CONDENSATE DRAINAGE AND REFRIGERANT PIPE
<br />CONNECTIONS THAT DO NOT BLOCK EQUIPMENT SERVICE OR FILTER ACCESS. PROVIDE CONDENSERS WITH ANTI -SHORT CYCLE TIMER,
<br />CRANKCASE HEATER, LOW AMBIENT CONTROLS, COIL GUARDS. INDOOR AND OUTDOOR PIECES SHALL BE BY IDENTICAL MANUFACTURER
<br />LISTED BY THE MANUFACTURE AS COMPATIBLE. CASED COOLING COILS SHALL BE SPECIFICALLY LISTS AND WITH MATCHING SIZE WHEN USED
<br />WITH A FURNACE. FURNACES SHALL BE HIGH EFFICIENCY FOR USE WITH PVC FLUE AND INTAKE REQUIRING FLUE CONDENSATE NEUTRALIZER
<br />AND DRAIN.
<br />2. REFRIGERANT PIPING SHALL BE RUN PARALLEL TO BUILDING WALLS IN WHICH INSTALLED UNLESS OTHERWISE INDICATED ON THE
<br />DRAWINGS WITH CONTINUOUS ELASTOMERIC INSULATION AND JACKETING INDOOR AND OUT. PROVIDE WITH AIR TIGHT VAPOR
<br />ENCAPSULATION BY USE OF MASTIC AND JACKETING. PROVIDE PIPE HANGER WITH SADDLES AT PIPE SUPPORTS FOR REFRIGERANT PIPING.
<br />TYPE L OR K (UNDERGROUND) COPPER TUBING INTENDED FOR ACR APPLICATIONS- DEHYDRATED, CHARGED WITH NITROGEN, AND PLUGGED
<br />BY THE MANUFACTURER. PROVIDE FORMED FITTINGS, SUCH AS ELBOWS (SHALL BE LONG SWEEP) AND TEES, ALL JOINTS SHALL BE BRAZED
<br />WITH OXY-ACETYLENE TORCHES BY A QUALIFIED TECHNICIAN. SOFT COPPER TUBING SHALL NOT BE ALLOWED UNLESS NOTED ON THE
<br />DRAWINGS.
<br />3. PROVIDE INDOOR UNITS LOCATED ABOVE CEILINGS WITH SLOPED SECONDARY DRAIN PAN WITH A CAPPED VALVE AND THREADED HOSE
<br />OUTLET. UNIT AND EXTERIOR DRAIN PAN SUPPORT SHALL BE INDEPENDENT SUCH THAT DRAIN PAN CAN BE REMOVED WITHOUT AFFECTING
<br />AIR HANDLING UNIT INSTALLATION.
<br />4. THE PREFERENCE SHALL BE A FLOAT SWITCH IN THE EXTERNAL DRAIN PAN TO SHUT THE UNIT DOWN. IF NOT ALLOWED BY CODE OR
<br />INSPECTOR, ROUTE THE CONDENSATE TO A CONSPICUOUS LOCATION- OVER A MOP SINK OR SERVICE SINK IF POSSIBLE.
<br />5. FOR LONG REFRIGERANT LINE LENGTHS ABOVE 100', PROVIDE ALL ACCESSORIES, ACCUMULATORS, RESIZED PISTONS AND LINE SETS PER
<br />MANUFACTURER REQUIREMENTS.
<br />6. FLOOR MOUNTED VERTICAL UNITS SHALL BE MOUNTED ON A 24" TALL, FULL SIZE RETURN PLENUM WITH METAL GAUGE SUFFICIENT TO
<br />SUPPORT UNIT WEIGHT.
<br />H. FANS -GENERAL
<br />1. FANS SHALL BE TESTED AND RATED IN ACCORDANCE WITH AMCA 210.
<br />2. ALL FANS SHALL BE SUPPORTED INDEPENDENT OF CONNECTED DUCT OR CEILING SUPPORTS AND PROVIDED WITH FLEXIBLE
<br />INLET/OUTLET CONNECTIONS.
<br />3. FAN WHEELS SHALL BE STATICALLY AND DYNAMICALLY BALANCED.
<br />4. FANS SHALL BE DIRECT DRIVE WITH SPEED CONTROLLER, DIRECT DRIVE ECM. FANS SHALL NOT BE BELT DRIVE UNLESS SPECIFICALLY
<br />NOTED ON PLANS. V-BELT DRIVES SHALL BE DESIGNED FOR NOT LESS THAN 150% OF CONNECTED DRIVING CAPACITY AND MOTOR SHEAVES
<br />SHALL BE ADJUSTABLE TO PROVIDE NOT LESS THAN 20% SPEED VARIATION. SHEAVES SHALL BE SELECTED TO DRIVE THE FAN AT A SPEED TO
<br />PRODUCE THE SCHEDULED CAPACITY INDICATED ON THE DRAWINGS WHEN SET AT THE APPROXIMATE MIDPOINT OF THE SHEAVE
<br />ADJUSTMENT. MOTORS WITH V-BELT DRIVES SHALL BE PROVIDED WITH ADJUSTABLE BASES.
<br />5. SAFETY/DISCONNECT SWITCHES (UNLESS SCHEDULED AS UNIT -INTEGRAL) AND STARTERS SHALL BE PROVIDED
<br />6. BY ELECTRICAL CONTRACTOR AND SHALL CONFORM TO REQUIREMENTS OF ELECTRICAL DRAWINGS AND SPECIFICATIONS. MECHANICAL
<br />CONTRACTOR SHALL COORDINATE MOUNTING LOCATION TO MAINTAIN MAINTENANCE CLEARANCES. ALL THREE PHASE FANS SHALL BE
<br />PROVIDED WITH STARTER AND/OR CONTACTORS AS REQUIRED TO CONTROL FANS AND AUXILIARY DEVICES SUCH AS CONTROLS SYSTEM
<br />TIE-IN OR DAMPER ACTUATION.
<br />L CENTRIFUGAL ROOF FANS
<br />1. FANS SHALL BE CENTRIFUGAL ROOF EXHAUSTERS WITH WATERPROOF DESIGN SO THAT WATER CANNOT ENTER THE BUILDING
<br />THROUGH FAN HOUSING WHETHER OR NOT FAN IS OPERATING. FAN SHALL BE EQUIPPED WITH A BACKDRAFT DAMPER ON INLET, A BIRD
<br />SCREEN ON OUTLET AND A FACTORY FABRICATED ROOF CURB. GENERAL EXHAUST LAYOUT BASIS (NON- KITCHEN APPLICATIONS)- COOK ACED
<br />2. FAN SHALL HAVE A ONE-PIECE ALUMINUM HOUSING ENCLOSING THE MOTOR AND DRIVE, AN ALUMINUM SHROUD ENCLOSING THE FAN
<br />WHEEL, AND AN ALUMINUM CURB CAP. CURB CAP SHALL HAVE A 1 INCH WIDE BY 1/4 INCH THICK FOAM RUBBER GASKET FACTORY APPLIED
<br />TO UNDERSIDE PERIMETER OF CURB CAP. AN INTERNAL POWER WIRING POST SHALL EXTEND FROM MOTOR COMPARTMENT THROUGH
<br />CURB CAP. WHERE WIRING POST PENETRATES HOUSING AND CURB CAP, PENETRATION SHALL BE SEALED.
<br />3. FAN WHEEL SHALL BE FORWARD CURVED OR BACKWARD INCLINED CENTRIFUGAL TYPE OF ALUMINUM CONSTRUCTION. FAN WHEEL
<br />SHALL BE STATICALLY AND DYNAMICALLY BALANCED. ON BELT DRIVE UNITS, SHAFT BEARINGS SHALL BE SELF -ALIGNING, PILLOW BLOCK BALL
<br />TYPE. BEARINGS NOT PERMANENTLY SEALED AND LUBRICATED SHALL HAVE EXTENDED GREASE FITTINGS FOR EASY ACCESS.
<br />4. MOTOR AND DRIVE SHALL BE LOCATED IN A VENTILATED COMPARTMENT OUTSIDE OF THE AIR STREAM. FAN SHALL HAVE FACTORY
<br />INSTALLED DISCONNECT SWITCH PRE -WIRED TO MOTOR AND MOUNTED WITHIN MOTOR COMPARTMENT. MOTOR AND DRIVE SHALL BE
<br />MOUNTED ON VIBRATION ISOLATORS.
<br />5. KITCHEN EXHAUST FANS SHALL BE UL 762 RATED AND PROVIDED WITH POWER/CONTROL WIRING OUTSIDE OF FAN HOUSING AND
<br />CURB. FANS SHALL BE MOUNTED WITH 18" MINIMUM HEIGHT FROM FAN BASE TO ROOF /FLASHING AND DISCHARGE HEIGHTA MINIMUM
<br />OF 40" ABOVE ROOF SURFACE. SIDE INLET FANS SHALL BE PROVIDED WITH INLET HEIGHT SUCH THAT ALL ROOF MOUNTED HORIZONTAL
<br />DUCT CAN BE MOUNTED 20" ABOVE ROOF. PROVIDE NON -VENTED CURB FOR FIRE -WRAP APPLICATIONS AND VENTED CURB FOR ENCLOSURE
<br />SHAFT APPLICATIONS.
<br />6. LOCATE EXHAUST FAN DISCHARGE 10' FROM ANY INTAKE OR BUILDING OPENING OR 2' ABOVE SAID OPENINGS IF CODE ALLOWS.
<br />J. IN-LINE/CEILING FANS
<br />1. FAN SHALL BE IN -LINE CENTRIFUGAL TYPE WITH SQUARE OR RECTANGULAR HOUSING AND BACKDRAFT DAMPER. FANS SHALL BE
<br />DESIGNED FOR HORIZONTAL OR VERTICAL MOUNTING. LAYOUT BASIS IS COOK GN/GC.
<br />2. FAN HOUSING SHALL BE STEEL WITH FACTORY APPLIED BAKED ENAMEL PAINT ON EXTERIOR. HOUSING SHALL BE INTERNALLY
<br />INSULATED WITH 1/2" THICK (MINIMUM) COATED FIBERGLASS INSULATION. INSULATION SHALL COMPLY WITH ASTM E84 AND NFPA 255 FOR
<br />MAXIMUM RATINGS OF FLAME SPREAD RATING OF 25 AND SMOKE DEVELOPED RATING OF 50. HOUSING SHALL HAVE MOUNTING BRACKETS
<br />AT EACH CORNER.
<br />3. FAN WHEEL SHALL BE BACKWARD INCLINED CENTRIFUGAL TYPE OF ALUMINUM CONSTRUCTION. ON BELT DRIVE UNITS, SHAFT
<br />BEARINGS SHALL BE SELF -ALIGNING, PILLOW BLOCK BALL TYPE. BEARINGS NOT PERMANENTLY LUBRICATED AND SEALED SHALL HAVE
<br />EXTENDED GREASE FITTINGS.
<br />4. MOTOR AND DRIVE SHALL BE MOUNTED ON VIBRATION ISOLATORS. FAN SHALL HAVE A FACTORY INSTALLED DISCONNECT SWITCH
<br />MOUNTED ON EXTERIOR OF HOUSING AND PRE -WIRED TO FAN MOTOR.
<br />5. PROVIDE ALUMINUM GRILLE OPTION FOR CEILING MOUNTED FANS. FANS SHALL BE ROUTED TO ROOF CAP OR LOUVER SIZED AT 800
<br />FPM OUTLET AIRSPEED.
<br />VI. PIPING
<br />A. USE DIELECTRIC UNIONS WHERE DISSIMILAR METALS ARE JOINED TOGETHER.
<br />B. DOMESTIC WATER & PUMPED CONDENSATE
<br />1. UNDERGROUND WATER SERVICE PIPING 3" IN ZE AND LAR ER HAL
<br />SI G S L BE CLASS 50 DUCTILE IRON PIPE, AWWA C151, WITH HUB AND
<br />SPIGOT, PUSH_ON JOINTS, AND CLASS 50 OR GREATER MECHANICAL JOINT DUCTILE IRON FITTINGS ALL CEMENT LINED PER AWWA C104.
<br />MECHANICAL JOINTS FOR DUCTILE IRON PIPE SHALL BE MADE WITH A F LL ER
<br />0 OW GLAND GASKET BOLTS AND NUTS. PUSH ON JOINTS F R
<br />0
<br />DUCTILE PIPE SHALL BE MADE WITH A NE PIE E L RI AT
<br />0 C UB C ED COMPRESSION RUBBER GASKET AS PER AWWA Clll.
<br />2. UNDERGROUND STEEL PIPE AND FITTINGS INCLUDING THE PORTION THROUGH THE FLOOR SHALL BE PROTECTED AGAINST CORROSION
<br />BY APPLICATION OF PROTECTIVE COATINGS. PRIOR TO COATING, PIPE AND FITTINGS SHALL BE CLEANED OF ALL RUST, SCALE, DIRT AND OIL.
<br />PIPES AND FITTINGS SHALL BE GIVEN TWO COATS OF A COAL -TAR BASE BITUMINOUS PROTECTIVE COATING, EACH HAVING A DRY FILM
<br />THICKNESS OF 7-9 MILS. THE COMBINED THICKNESS OF BOTH COATS COMBINED SHALL BE 15-18 MILS.
<br />3. UNDERGROUND WATER SERVICE PIPING 2 1 2" IN SIZE AND SMALLER T A P -
<br />O DINT 1' 0" ABOVE THE FINISHED FLOOR SHALL BE. TYPE "K"
<br />HARD DRAWN COPPER TUBING, ASTM B88, WITH BRAZED JOINTS AND WROUGHT COPPER, ANSI B16.22, OR CAST BRONZE, ANSI B16.18,
<br />SOCKET FITTINGS.. BRAZED JOINTS SHALL BE MADE USING BCUP-5 BRAZING ALLOY WITH A COMPATIBLE FLUX.
<br />4. ABOVE -GROUND WATER PIPING - 4" AND SMALLER SHALL BE. TYPE "L" HARD DRAWN COPPER TUBING, ASTM B88, WITH SOLDERED
<br />JOINTS AND WROUGHT COPPER, ANSI B16.22, OR CAST BRONZE, ANSI B16.18, SOCKET FITTINGS. SOLDER JOINTS SHALL BE MADE USING A
<br />95-5 TIN -ANTIMONY SOLDER (NO -LEAD SOLDER) WITH A COMPATIBLE FLUX.
<br />5. UNDERGROUND WATER PIPING TO TRAP PRIMERS OR HVAC CONDENSATE PUMP DISCHARGE SHALL BE. TYPE "L" SOFT DRAWN COPPER
<br />TUBING, ASTM B88, WITHOUT FITTINGS.
<br />6. FLANGED JOINT SHALL BE MADE WITH RING TYPE N N-METALLI ASK T L
<br />0 C G E S BO TS AND NUTS.
<br />7. THREADED JOINTS AT EQUIPMENT CONNECTIONS SHALL BE MADE UP WITH TEFLON TAPE. AFTER CUTTING BUT PRIOR TO THREADING,
<br />PIPE SHALL BE REAMED AND SHALL HAVE BURRS REMOVED.
<br />8. GROOVED MECHANICAL JOINTS: GROOVED JOINTS FOR COPPER AND GALVANIZED STEEL PIPES SHALL BE INSTALLED USING BOLTED
<br />MECHANICAL COUPLING, PRESSURE -RESPONSIVE GASKET ALONG WITH GROOVED AND FITTINGS. LAYOUT BASIS SHALL BE ANVIL GRUV-LOCK,
<br />9. DIELECTRIC ADAPTERS SHALL BE PROVIDED BETWEEN COPPER AND IRON PIPE CONNECTIONS AND BETWEEN FERROUS AND
<br />NONFERROUS PIPING OR EQUIPMENT.
<br />10. UNDERGROUND WATER PIPING SHALL HAVE A MINIMUM COVER OF 3'- 0" TO THE TOP OF THE PIPE.
<br />11. INSTALL WATER HAMMER ARRESTORS ABOVE CEILING ON THE HOT AND COLD WATER BRANCH LINES SERVING A BATTERY OF FIXTURES;
<br />ON THE COLD WATER BRANCH LINES SERVING INDIVIDUAL FLUSH VALVE WATER CLOSETS AND URINALS; AND ELSEWHERE AS INDICATED ON
<br />THE DRAWINGS. PROVIDE ACCESS PANEL FOR WHA LOCATED ABOVE HARD CEILINGS.
<br />12. VACUUM BREAKERS SHALL BE PROVIDED ON ALL HOSE OUTLETS, HOSE BIBS AND HYDRANTS UNLESS THE DRAWINGS INDICATE THAT A
<br />BACKFLOW PREVENTER IS TO BE PROVIDED ON THE PIPING SERVING THE OUTLET.
<br />13. INSTALL 1/2" CW LINE FROM NEAREST CW MAIN OR BRANCH LINE TO ALL FLOOR DRAINS WITH TRAP PRIMER FOR TRAP PRIMING.
<br />UNDERGROUND PIPING FROM TRAP PRIMER TO FLOOR DRAINS SHALL BE INSTALLED WITHOUT FITTINGS. TRAP PRIMERS SHALL BE PROVIDED
<br />FOR ALL FLOOR DRAINS AND HUB DRAINS.
<br />14. CONNECT HOT AND COLD WATER PIPING SYSTEM TO EQUIPMENT AS INDICATED, AND COMPLY WITH EQUIPMENT MANUFACTURER'S
<br />INSTALLATION INSTRUCTIONS. PROVIDE SHUT-OFF BALL VALVE AND UNION FOR EACH CONNECTION, PROVIDE DRAIN VALVE ON DRAIN
<br />CONNECTIONS. PROVIDE SINGLE SHUTOFF BALL VALVE FOR HEADERS SERVING HOT OR COLD WATER TO MULTIPLE FIXTURES WITHIN A
<br />SINGLE WALL OR CHASE. PROVIDE ACCESS PANEL FOR VALVES INSTALLED ABOVE HARD CEILINGS.
<br />15. ALL DOMESTIC WATER SERVICE AND SUPPLY PIPING INSTALLED UNDER THIS DIVISION SHALL BE DISINFECTED WITH CHLORINE BEFORE IT
<br />IS PLACED INTO OPERATION. THE CHLORINATING MATERIAL SHALL BE LIQUID CHLORINE CONFORMING TO FED. SPEC. BB-C-120 AND SHALL BE
<br />INTRODUCED TO THE SYSTEM BY EXPERIENCED OPERATORS ONLY. THE CHLORINE SOLUTION APPLIED TO THE PIPING SECTIONS OR SYSTEM
<br />SHALL CONTAIN AT LEAST FIFTY PARTS PER MILLION OF AVAILABLE CHLORINE AND SHALL REMAIN IN THE SECTIONS OR SYSTEM FOR A PERIOD
<br />OF NOT LESS THAN SIXTEEN (16) HOURS. DURING THE DISINFECTION PERIOD ALL VALVES SHALL BE OPENED AND CLOSED AT LEAST FOUR
<br />TIMES. ATTHE END OF THE RETENTION PERIOD, NO LESS THAN 50 PPM OF CHLORINE SHALL BE PRESENT IN THE EXTREME END OF THIS
<br />SYSTEM. AFTER THEDISINFE I PERI DTH
<br />CT ON 0 E CHLORINATED WATER SHALL BE FL
<br />USHER FROM THE Y TEM WI H L
<br />S S T C EAR WATER UNTIL THE
<br />RESIDUAL CHLORINE CONTENT IS NOT GREATER THAN TWO -TENTHS - (0.2) - PARTS PER MILLION. THE CONSTRUCTION MANAGER SHALL
<br />SUBMIT TO THE ARCHITECT WRITTEN CERTIFICATION THAT THE SYSTEM WAS DISINFECTED. CERTIFICATION SHALL INCLUDE NAME OF
<br />PROJECT, NAME OF OWNER, NAME OF OPERATORS, DATE OF DISINFECTION, TIMES OF DISINFECTION PERIOD, MAXIMUM CHLORINE LEVEL
<br />AND RESIDUAL CHLORINE LEVEL.
<br />C. NATURAL GAS
<br />1. ABOVE-GR ND
<br />OU MAXIMUM 2 1 2' GAS PIPING SHALL BE BLACK STEEL PIPE .S HED LE 4
<br />/ C U 0, ASTM A53 WITH STANDARD WEIGHT
<br />WROUGHT STEEL SO KET-WELDFITTIN P
<br />C GS ER ASTM A234 OR THREADED CONNECTIONS. PIPE SIZES 3" AND UP OR WITH PRESSURE ABOVE
<br />5PSI SHALL ONLY BE PERMITTED WITH SOCKET -WELDED JOINTS (NO THREADED CONNECTIONS).
<br />2. STEEL GAS PIPING TO BE INSTALLED UNDERGROUND SHALL BE FURNISHED WITH A FACTORY APPLIED COATING WHICH SHALL CONSIST
<br />OF A RESILIENT, EXTRUDED, POLYETHYLENE SLEEVE WHICH IS SEALED TO THE PIPE. THE PLASTIC COATING SHALL BE NOT LESS THAN 25 MILS
<br />THICK AND SEALED TO THE PIPE WITH A HOT APPLIED ADHESIVE WHICH RETAINS ITS ELASTICITY IN HOT AND COLD ENVIRONMENTS.
<br />3. FIELD APPLIED WRAPPING TAPE FOR FITTINGS AND JOINTS SHALL BE COAL TAR WITH HEAVY VINYL OR POLYESTER FILM BACKING
<br />MEETING FEDERAL SPECIFICATION HH-T-30A, TAPECOAT CT OR TAPECOAT 20 OR JT JOINT COATINGS, INC., WITH PRIMER, APPLICATION
<br />PROCEDURES AND HEATING IN ACCORDANCE WITH THE TAPE MANUFACTURER'S RECOMMENDATIONS.
<br />4. ARRANGE WITH THE UTILITY COMPANY TO PROVIDE GAS SERVICE TO INDICATED LOCATION WITH SHUTOFF AT TERMINATION. MAKE
<br />ALL ARRANGEMENTS WITH UTILITY AS TO THE EXTENT OF ITS WORK, AND PAY ALL COSTS, FEES AND SECURE PERMITS INVOLVED TO OBTAIN
<br />SERVICE FOR THE BUILDING.
<br />5. PROVIDE SHUTOFF IN GAS SERVICE PIPE AT ENTRY IN BUILDING, EXT/END PIPE TO GAS METER LOCATION INDICATED; PROVIDE PARTS
<br />AND ACCESSORIES REQUIRED BY UTILITY TO CONNECT TO METER.
<br />6. PROVIDE VALVE AND UNION SHALL BE PROVIDED AT EACH CONNECTION TO A PIECE OF EQUIPMENT. EQUIPMENT PROVIDED WITH A
<br />FLANGED INLET SHALL HAVE A FLANGED CONNECTION.
<br />7. DRIP LEGS, 6-INCHES LONG, SHALL BE PROVIDED IN GAS PIPING AT ENDS OF HORIZONTAL RUNS, AT THE BASE OF RISERS AND AT
<br />CONNECTIONS TO EQUIPMENT. DRIP LEG CAP SHALL BE REMOVABLE WITH MINIMUM 4" BETWEEN CAP AND WALL OR ROOF.
<br />8. GAS PIPING WITHIN THE BUILDING SHALL BE RUN ABOVE FLOOR SLAB.
<br />9. PRESSURE REGULATORS ARE TO BE PROVIDED ON ALL EQUIPMENT IF NOT PROVIDED AS PART OF THE EQUIPMENT. COORDINATE
<br />INLET/OUTLET PRESSURES WITH ACTUAL DELIVERED PRESSURE AND EQUIPMENT INLET PRESSURES. CONTRACTOR SHALL ARRANGE FOR
<br />ADJUSTMENT OF GAS PRESSURE TO PREVENT EXCESSIVE OR INSUFFICIENT GAS PRESSURE TO ALL EQUIPMENT PIECES.
<br />10. PROVIDE FLEX HOSE CONNECTION TO ALL INDOOR APPLIANCES NOT SUPPLIED WITH THE EQUIPMENT PIECE BY THE OWNER OR
<br />EQUIPMENT PROVIDER.
<br />11. THREADED JOINTS SHALL BE MADE WITH A MIXTURE OF GRAPHITE AND OIL APPLIED TO MALE THREADS ONLY. AFTER CUTTING AND
<br />PRIOR TO THREADING, PIPE SHALL BE REAMED AND SHALL HAVE BURRS REMOVED.
<br />12. WELDED JOINTS SHALL BE FUSION WELDED IN ACCORDANCE WITH ANSI B31, SECTION 6.
<br />13. FLANGED JOINTS SHALL BE FACED TRUE, PROVIDED WITH GASKET AND MADE SQUARE AND TIGHT.
<br />14. BRAZED JOINTS SHALL BE MADE UP USING BCUP-5 BRAZING ALLOY WITH A COMPATIBLE FLUX.
<br />15. ALL STEEL FITTINGS AND JOINTS IN UNDERGROUND PIPING SHALL BE FIELD -COATED USING A PRIMER AND FLEXIBLE POLYETHYLENE TAPE
<br />AND THE SAME MANUFACTURER AS THE PIPE COATING. DAMAGED COATING SHALL BE REPAIRED WITH PRIMER AND TAPE AS SPECIFIED FOR
<br />FITTINGS AND JOINTS.
<br />D. SANITARY WASTE &VENT, STORM, GREASE WASTE
<br />1. UNDERGROUND SANITARY, WASTE AND VENT PIPING, AND STORM DRAINAGE PIPING, AND INDOOR PIPING ABOVE 8" IN SIZE SHALL BE
<br />SERVICE WEIGHT (COATED) CAST IRON SOIL PIPE AND FITTINGS, ASTM A74, WITH GASKET HUB AND SPIGOT JOINTS, ASTM C564. GASKET
<br />JOINTS FOR CAST IRON PIPE SHALL BE MADE WITH LUBRICATED NEOPRENE COMPRESSION GASKETS. PVC SHALL BE PERMITTED IF ALLOWED
<br />BY LOCAL CODE. UNDERGROUND PVC PIPING SHALL BE SCHEDULE 40 PVC WITH SOLVENT WELD JOINTS MEETING ASTM D-1785 AND ASTM
<br />D-2665.
<br />2. ABOVE -GROUND SANITARY, WASTE AND VENT AND STORM DRAINAGE PIPING 8" AND SMALLER SHALL BE SERVICE WEIGHT CAST IRON
<br />SOIL PIPE AND FITTINGS, ASTM A888 AND CISPI 301, WITH STANDARD NO -HUB COUPLINGS. PVC SHALL BE PERMITTED OUTSIDE OF RETURN
<br />AIR PLENUMS WITH OWNER APPROVAL. NEOPRENE RUBBER GASKET AND MINIMUM 24 GAUGE TYPE 304 STAINLESS STEEL SHIELD AND FOUR
<br />STAINLESS STEEL BANDS FOR SIZES 1 1/2" THROUGH 4", SIX BANDS MINIMUM FOR SIZED 5" AND LARGER. 6" PIPE AND UP: NEOPRENE
<br />ELASTOMERIC GASKET AND SERIES 300 STAINLESS STEEL SHIELD AND MULTIPLE DRAW BANDS AND SCREW CLAMPS CONFORMING TO ASTM
<br />C-564 AND CISPI STANDARD 310-90. ABOVE -GROUND SANITARY PIPING, LOCATED OUTSIDE OF RETURN AIR PLENUMS MAY ALSO BE
<br />SCHEDULE 40 PVC WITH SOLVENT WELD JOINTS MEETING ASTM D-1785 AND ASTM D-2665 PER OWNER APPROVAL.
<br />3. ALL WASTE PIPING 1" IN SIZE AND SMALLER SHALL BE TYPE "L" HARD DRAWN COPPER TUBING, ASTM B88, WITH SOLDERED JOINTS AND
<br />WROUGHT COPPER, ANSI B16.22, OR CAST BRONZE, ANSI B16.18, SOCKET FITTINGS. SOLDERED JOINTS FOR TYPE'L' COPPER TUBING AND
<br />CAST DMV BRONZE PIPE SHALL BE MADE WITH 95-5 TIN -ANTIMONY (NO LEAD) SOLDER AND COMPATIBLE FLUX.
<br />E. PIPING HANGERS
<br />1. PROVIDE CLEVIS SUPPORTS WITH BEAM CLAMP, CONCRETE ANCHORS (CONCRETE STRUCTURE), SCREWED BRACKET (WOOD
<br />STRUCTURE). PROVIDE HANGER OUTSIDE OF INSULATION WITH RIGID FOAM GLASS INSULATION SECTION AT HANGERS. PROVIDE 16 GAUGE
<br />PIPING SADDLE AT EACH HANGER. NO WELDING OR CUTTING OF STEEL STRUCTURAL MEMBERS SHALL BE PERMITTED. LAYOUT BASIS SHALL BE
<br />ANVIL 260.
<br />2. PROVIDE SEISMIC HANGERS PER DRAWING REQUIREMENTS.
<br />3. HANGER INSTALLATION FOR HOT WATER PIPING SHALL NOT PREVENT MOVEMENT FOR PIPING EXPANSION.
<br />4. SPACING AS FOLLOWS:
<br />STEEL PIPE: 1/2" TO 1-1/4" - 7' ; 1-1/2" TO 2-1/2" - 9' ; 3"&4" -12' ; 6"&8" - 17' ; 10" AND UP- 22'
<br />COPPER PIPE: 1/2" TO 1" - 5' ; 1-1/4" TO 2" - 7' ; 2-1/2" AND UP - 9'
<br />CAST IRON: 10' WITH SUPPORT AT EACH JOINT, TAKEOFF, AND FITTING.
<br />PVC DRAINAGE (140 DEG F SERVICE UP TO 6"- 80 DEG F ABOVE 6"): UP TO 3" - 3' ; 4" TO 6" - 4' ; ABOVE 6" - 8'
<br />PVC VENT (80 DEG F SERVICE): UP TO 1-1/2" - 5' ; 2"-3" - 6' ; ABOVE 3" 7'
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<br />CONTRACT DATE: 08.13.2017
<br />BUILDING TYPE: ONE-OFF
<br />PLAN VERSION:
<br />SITE NUMBER:
<br />STORE NUMBER:
<br />SUNRISE EATERY
<br />5915 GALL BLVD.
<br />ZEPHYRHILLS, FL
<br />MECHANICAL
<br />SPECIFICATIONS
<br />M0.2
<br />PLOT DATE:
<br />
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