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<br />I. GENERAL PROVISIONS
<br />A. OVERVIEW II. INSULATION
<br />1. ALL WORK DONE UNDER THIS CONTRACT SHALL COMPLY WITH ALL STATE AND LOCAL CODES HAVING JURISDICTION AND
<br />WITH THE REQUIREMENTS OF THE UTILITY COMPANIES WHOSE SERVICES MAY BE USED. ALL MODIFICATIONS REQUIRED A. GENERAL PIPE INSULATION
<br />BY THESE CODES SHALL BE MADE BY THE CONTRACTOR WITHOUT ADDITIONAL CHARGES WHERE CODE REQUIREMENTS
<br />ARE LESS THAN THOSE SHOWN ON THE PLANS OR IN THE SPECIFICATIONS, THE PLANS AND SPECIFICATIONS SHALL BE
<br />1. FIBERGLASS SHALL BE ACCEPTABLE FOR INDOOR HOT & COLD DOMESTIC; HYDRONIC PIPING; AND INSULATED DRAINAGE
<br />FOLLOWED. WHERE APPLICABLE, NFPA REQUIREMENTS SHALL BE MET.
<br />PIPING. PROVIDE PREFABRICATED FITTINGS FOR ELBOWS AND TEES. PROVIDE PREFAB PVC FITTINGS OR WHITE ALL
<br />2. IN CASE OF ANY CONFLICTS BETWEEN CONTRACT DOCUMENTS, THE STRICTER/MORE STRINGENT SHALL GOVERN.
<br />SERVICE (INTEGRAL TO PREFAB PIPING ELBOW) PIPING ELBOW JACKETING. PROVIDE PIPE LABELING FOR ALL INSULATED,
<br />JACKETED INDOOR PIPING. PVC JACKETING SHALL NOT BE PERMITTED IN RETURN PLENUM AREAS. ALL JACKEING SEAMS
<br />3. THE CONTRACTOR SHALL OBTAIN ALL PERMITS, INSPECTIONS, AND APPROVALS AS REQUIRED BY ALL AUTHORITIES
<br />SHALL BE SEALED AIR -TIGHT FOR CONTINUOUS VAPOR BARRIER.
<br />HAVING JURISDICTION AND DELIVER CERTIFICATES OF APPROVAL TO THE ENGINEER. ALL FEES AND COSTS OF ANY
<br />2. FITTINGS AND VALVES SHALL BE INSULATED WITH PRE -FORMED FITTINGS, FABRICATED SECTIONS OF PIPE INSULATION,
<br />NATURE WHATSOEVER INCIDENTAL TO THESE PERMITS, INSPECTIONS AND APPROVALS MUST BE ASSUMED AND PAID BY
<br />TANK INSULATION, BLANKET INSULATION, OR INSULATING CEMENT. THICKNESS SHALL BE EQUAL TO ADJACENT PIPE
<br />THE CONTRACTOR.
<br />INSULATION. FINISH SHALL BE WITH PRE -FORMED PVC FITTING COVERS OR AS OTHERWISE SPECIFIED ON CONTRACT
<br />4. THE CONTRA ALL MPLY
<br />CTOR SH CO WITH ALL APPLICABLE PROVISIONS OF O.S.H.A.
<br />DRAWINGS.
<br />5. THE WORKMANSHIP AND MATERIALS COVERED BY THESE SPECIFICATIONS SHALL CONFORM TO ALL ORDINANCES AND
<br />3. FLANGES, COUPLINGS AND VALVE BONNETS SHALL BE COVERED WITH AN OVERSIZED PIPE INSULATION SECTION SIZED
<br />REGULATIONS OF THE CITY COUNTY AND OR OTHER A TH I I D I
<br />U OR TIES HAVING JUR S ICT ON
<br />E AME INSULATION THICKNESS AS ON THE MAIN PIPE SECTION. AN OVERSIZED INSULATION SECTION
<br />TO PROVIDE TH S
<br />T F RM A COLLAR BETWEEN THE TWO INSULATION SECTIONS WITH LOW-D NSITY BLANKET
<br />SHALL BE USED O O E
<br />6. CONTRACTOR SHALL VISIT THE SITE AND EXAMINE EXISTING CONDITIONS BEFORE SUBMITTING BID. NO ALLOWANCE
<br />N CATION BEING USED TO FILL GAPS. JACKETING SHALL MATCH THAT USED ON STRAIGHT PIPE SECTIONS. ROUGH
<br />I SU
<br />WILL BE MADE FOR LACK OF KNOWLEDGE OF EXISTING CONDITIONS WHEN SUCH CONDITIONS CAN BE DETERMINED BY
<br />CUT ENDS SHALL BE COATED WITH SUITABLE WEATHER OR VAPOR RESISTANT MASTIC AS DICTATED BY THE SYSTEM
<br />OBSERVATION.
<br />LOCATION AND SERVICE. ON HOT SYSTEMS WHERE FITTINGS ARE TO BE LEFT EXPOSED, INSULATION ENDS SHOULD BE
<br />7. PRIOR TO SUBMITTING DATA FOR OR PURCHASING EQUIPMENT REQUIRING ELECTRICAL SERVICE, THE CONTRACTOR
<br />BEVELED AWAY FROM BOLTS FOR EASY ACCESS.
<br />SHALL VERIFY THAT ELECTRICAL CHARACTERISTICS OF EQUIPMENT SUBMITTALS COMPLY WITH ELECTRICAL SERVICE
<br />PROVIDED FOR THE SPECIFIED ITEMS OF EQUIPMENT.
<br />B. INSULATION THICKNESS
<br />8. UPON RECEIPT OF THE CONTRACTOR OF REVIEWED SUBMITTALS FOR EQUIPMENT PROVIDED UNDER THIS DIVISION, THE
<br />CONTRACTOR SHALL COORDINATE THE ELECTRICAL SERVICE REQUIREMENTS, I.E., MOTOR HORSEPOWER AND FULL LOAD
<br />1. DOMESTIC COLD WATER INSULATION SHALL BE 1" MINIMUM OR AS REQUIRED BY LOCAL ENERGY CODES.
<br />AMPS ELECTRI AL ERVI E H RA R I R EA H ITEM F
<br />C S C C A CTE ISTICS (VOLTAGE AND PHASE), AND NUMBER OF SERV CES FO C 0
<br />,
<br />2. FOR MEDIA BELOW 60 DEGREES INSULATION SHALL BE 1" UP T01-/ PIPE SIZE; 1.5" THICK UP TO 3" PIPE SIZE; AND
<br />E UIPMENT RE UIRIN ELE RI L NN I W IFI ATI NS.
<br />Q Q G CT CA CO ECT ONS ITH THE ELECTRICAL DRAWINGS AND SPEC C O
<br />2" THICK BEYOND 3" PIPE SIZE.
<br />9. ITEMS ON OR PROJECTING THROUGH THE CEILING SHALL BE COORDINATED WITH OTHER TRADES.
<br />3. CHILLED WATER PIPING INSULATION SHALL BE 1" UP TO 1-1/4" PIPE SIZE, 1.5" UP TO 3".
<br />10.EQUIPMENT MODEL NUMBERS ARE PROVIDED FOR GENERAL GUIDANCE, CONTRACTOR SHALL PROVIDE EQUIPMENT
<br />C. FIBERGLASS PIPE INSULATION
<br />THAT MEETS THE PHYSICAL CAPACITIES AS SCHEDULED AND GENERAL ARRANGEMENT AS INDICATED IN THE DRAWING
<br />SET. CONTRACTOR SHALL VERIFY EXACT, CURRENT MODEL NUMBERS WITH THE MANUFACTURERS.
<br />1. ONE PIECE FIBROUS GLASS PIPE INSULATION WITH FACTORY APPLIED ALUMINUM FOIL AND WHITE KRAFT PAPER FLAME
<br />RETARDANT VAPOR BARRIER JACKET.
<br />2. PROVIDE SELF-SEALING LONGITUDINAL JACKET LAPS AND BUTT STRIPS. AVERAGE THERMAL CONDUCTIVITY: 0.23
<br />B. OPERATION AND MAINTENANCE INSTRUCTIONS
<br />BTU/IN. PER SQUARE FOOT PER DEGREES F PER HOUR AT 75 DEGREES F MEAN TEMPERATURE.
<br />1. THE CONTRACTOR SHALL PROVIDE TWO OPERATION AND MAINTENANCE MANUALS. THE MANUALS SHALL BE
<br />3. PROVIDE INSULATION CEMENT, FIBERGLASS REINFORCEMENT FABRIC, VAPOR BARRIER COATING, FOR CONTINUOUS,
<br />COMPILED IN HARD BACK, THREE RING NOTEBOOKS. 0&M MANUALS SHALL HAVE PERMANENT LABELS ON FRONT AND
<br />AIR -TIGHT INSULATION WITH VAPOR BARRIER.
<br />SIDE. THE FOLLOWING INFORMATION SHALL APPEAR IN EACH MANUAL:
<br />2. PROVIDE MANUFACTURER'S PRINTED OPERATING PROCEDURES TO INCLUDE START-UP, BREAK-IN, ROUTINE AND
<br />NORMAL OPERATING INSTRUCTIONS; REGULATION, CONTROL, STOPPING, SHUTDOWN AND EMERGENCY INSTRUCTIONS;
<br />D. FOAMGLASS PIPE INSULATION
<br />AND SUMMER AND WINTER OPERATING INSTRUCTIONS. PROVIDE MAINTENANCE PROCEDURES FOR ROUTINE
<br />1. FOAM GLASS TYPE PIPE INSULATION SHALL HAVE MAXIMUM K_FACTOR OF 0.38 AT 50 DEGREES F MEAN TEMPERATURE.
<br />PREVENTATIVE MAINTENANCE AND TROUBLESHOOTING; DISASSEMBLY, REPAIR AND REASSEMBLY; ALIGNING AND
<br />MINIMUM DENSITY SHALL BE $ LB/CU. FT., 1 1/2" THICK MINIMUM. PROVIDE MASTIC, FIBERGLASS REINFORCED
<br />ADJUSTING INSTRUCTIONS. SERVICING 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
<br />INSTRUCT OWNER'S DESIGNATED PERSONNEL IN OPERATION, ADJUSTMENT AND MAINTENANCE OF PRODUCTS,
<br />EQUIPMENT AND SYSTEMS UNDER THIS DIVISION OF THE SPECIFICATIONS. FOR EQUIPMENT REQUIRING SEASONAL
<br />OPERATIONS, PERFORM INSTRUCTIONS 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
<br />THESE DOCUMENTS. ANY MODIFICATIONS TO THE MECHANICAL SYSTEMS AND THEIR COMPONENTS, THE ELECTRICAL
<br />SYSTEMS, THE BUILDING STRUCTURE AND ARCHITECTURE, OR ANY OTHER PORTION OF THE BUILDING THAT RESULT
<br />FROM THE USE OF ANY OTHER THAN THAT BASIS OF DESIGN EQUIPMENT SHALL BE COORDINATED WITH ALL OTHER
<br />TRADES. SUCH COORDINATION SHALL OCCUR BEFORE PURCHASE OR DELIVERY OF PRODUCTS FROM THE
<br />MANUFACTURER DRAWINGS OR INSTALLED ACCORDINGLY. ANY RELATED MODIFICATIONS SHALL BE PERFORMED
<br />WITHOUT ANY ADDITIONAL COST TO THE CONTRACT.
<br />2. RESIDENTIAL GRADE HVAC COMPONENTS SHALL NOT BE PERMITTED WITHOUT SPECIFIC OWNER INSTRUCTION AND
<br />ENGINEER APPROVAL.
<br />STRAPPING TAPE TO ASSURE AIR -TIGHT MOISTURE -PROOF INSULATION. PROVIDE WITH ALUMINUM JACKETING THAT
<br />SHALL BE 0.016" THICK WITH FITTING COVERS 0.024" THICK. PROVIDE WITH 5 WATT/FT HEAT TRACING BELOW
<br />INSULATION FOR OUTDOOR, ABOVE -GROUND INSTALLATION.
<br />2. PROVIDE FOAM GLASS INSERTS AT PIPE HANGERS, CLAMPS, OR OTHER SUPPORTS IN FIBERGLASS OR ELASTOMERIC PIPE
<br />INSULATION INSTALLATIONS INSERTS SHALL BE SAME THICKNESS AS ADJOINING PIPE INSULATION. VAPOR SEAL SHALL
<br />BE AS HEREINBEFORE SPECIFIED. ALUMINUM JACKETING SHALL NOT BE REQUIRED FOR INDOOR INSERTS (PVC OR WHITE
<br />ALL -SERVICE FOIL/KRAFTJACKETING MEDIA SHALL BE 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
<br />FOR INDOOR DOMESTIC OR CONDENSATE PIPING. PIPING WILL REQUIRE JACKETING- ALUMINUM FOR OUTDOOR PIPING
<br />OR FOIL/WHITE KRAFT MEDIA OR PVC FOR INDOOR PIPING. PROVIDE WITH FULL ADHESIVE ADHERING SEAMS AND
<br />JOINTS FOR CONTINUOUS VAPOR BARRIER. ELBOWS SHALL BE FORMED BY CUTTING SEGMENTS -AT 30 DEGREE ANGLES
<br />(3 SEGMENTS AT EACH 90 DEGREE BEND) WITH MASTIC AT ALL SEAMS. PROVIDE PREFORMED JACKETING ELBOWS AT
<br />ALL PIPING ELBOWS.
<br />C. DUCT FITTINGS
<br />1. SPIN_IN COLLARS SHALL BE GALVANIZED STEEL FOR USE WITH RECTANGULAR OR SQUARE SHEET METAL DUCTWORK.
<br />SPIN -IN COLLARS 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
<br />LOCATIONS SHOWN ON THE DRAWINGS WITH THE EXCEPTION OF KITCHEN EXHAUST.
<br />3. CURVED ELBOWS SHALL HAVE A CENTERLINE RADIUS NOT LESS THAN 1 112 TIMES THE DUCT WIDTH.
<br />4. DISSIMILAR METALS SHALL BE ISOLATED TO PREVENT GALVANIC CORROSION. JOINTS NOT PROVIDED WITH GASKETS
<br />1 IN H MINIMUM THICKNESS ASPHALT IMPREGNATED BUILDING PAPER.
<br />SHALL BE ISOLATED WITH 1/ 6 C
<br />5. PROVIDE DAMPERS AT RETURN DUCT AND OUTSIDE AIR DUCT CONNECTIONS DOWNSTREAM OF ANY DUCT
<br />CONNECTIONS OR TAKE OFFS.
<br />I N HALL BE NON-COMBUSTIBLE GLASS FABRIC DOUBLE COATED WITH NEOPRENE 30OZ.
<br />6. FLEXIBLE DUCT CONNECT 0 S S
<br />PER SQUARE YARD.
<br />7. FIRE DAMPERS SHALL BE THE FOLDING BLADE FUSIBLE LINK TYPE CONFORMING TO UL 555 AND LABELED FOR
<br />ATED W LL AND FLOORS. DAMPERS IN FLOOR SHALL HAVE SPRING OP RATOR. DAMPERS
<br />INSTALLATION IN FIRER A S E ,
<br />EXCEPT FOR LOWER SECTIONS OF A MULTIPLE SECTION ASSEMBLY, AND THOSE INSTALLED BEHIND GRILLES AND
<br />VE BLADE T OF THE AIR STREAM WHEN DAMPER IS IN THE OPEN POSITION. DAMPERS IN
<br />REGISTERS SHALL HA 5 OU
<br />WALLS OR FLOORS RATED 2 HOURS OR LESS SHALL BE RATED FOR 1 1/2 HOURS; DAMPERS IN WALLS RATED 3 OR 4 HOUR
<br />D F HO RS. DAMPERS SHALL BE CONSTRUCTED OF GALVANIZED STEEL. PROVIDE AT EACH FIRE
<br />SHALL BE RATE OR 3 U
<br />RATED WALL PENETRATION (REFER TO ARCH. DRAWINGS)
<br />TI-BLADE TYPE NF RMIN T L WITH AN ASSEMBLY TEMPERATURE
<br />8. SMOKE DAMPERS SHALL BE THE MUL CO O G 0 U 5555
<br />RATING OF 250 DEGREES F. DAMPER SHALL BE CONSTRUCTED OF GALVANIZED STEEL, AND SHALL BE PROVIDED WITH A
<br />FACTORY -MOUNTED ELECTRIC DAMPER OPERATOR, SUITABLE FOR OPERATION ON 120V, 60 HZ SUPPLY. PROVIDE AT
<br />EACH SMOKE BARRIER LOCATION (REFER TO ARCH DRAWINGS).
<br />D P T AND IN LUDIN " IN DIAMETER SHALL BE MADE BY USIN SLEEVE
<br />9. DUCT TO DUCT JOINTS IN ROUND UCT U 0 C G 60 G
<br />ED BY R LLED BEADS. DUCT -TO -FITTING OINTS IN ROUND DUCT UP TO AND INCLUDING 60" IN
<br />COUPLINGS, REINFORC 0 1
<br />DIAMETER SHALL BE MADE BY SLIP_FIT OF THE PROJECTING COLLAR ON THE FITTING INTO THE DUCT. SLEEVE SHALL BE
<br />ALVANIZED TEEL AS THE DUCT• INSERTION LENGTH OF SLEEVE COUPLING AND FITTING COLLAR
<br />THE SAME GAUGE G S
<br />SHALL BE NOT LESS THAN 2". AFTER THE JOINT IS SLIPPED TOGETHER, SHEET METAL SCREWS SHALL BE INSTALLED FOR
<br />MECHANICAL STRENGTH; SCREWS SHALL BE EQUALLY SPACED, NO MORE THAN 12" ON CENTERS AND WITH A MINIMUM
<br />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
<br />AND EACH JOINT SHALL BE FASTENED WITH SHEET METAL SCREWS, EQUALLY SPACED, NOT MORE THAN 12" ON CENTERS
<br />AND WITH A MINIMUM OF 3 SCREWS IN EACH JOINT. THE BEADED -CRIMP JOINT SHALL PROVIDE AT LEAST A 1" LAP TO
<br />ACCOMMODATE THE SHEET METAL SCREWS.
<br />10.ALL DUCT JOINTS (LONGITUDINAL, TRANSVERSE) AND DUCT PENETRATIONS SHALL BE SEALED USING METHODS
<br />OUTLINED IN SMACNA HVAC AIR DUCT LEAKAGE TEST MANUAL.
<br />ll.DUCT COLLARS SHALL BE PROVIDED WHERE DUCTS PASS THROUGH MASONRY WALLS AND PARTITIONS WHICH EXTEND
<br />FULL HEIGHT TO THE UNDERSIDE OF THE STRUCTURE AND SHALL BE FABRICATED FROM 22 GAUGE GALVANIZED STEEL
<br />SHEET. DUCT COLLAR SHALL BE PROVIDED ON BOTH SIDES OF WALLS AND PARTITIONS, EXCEPT COLLAR SHALL BE
<br />OMITTED ON THAT SIDE OF THE WALL ON WHICH REGISTERS AND GRILLES ARE INSTALLED. FLANGES SHALL BE
<br />INSTALLED TIGHT AGAINST THE WALL. THE SPACE BETWEEN THE DUCT AND THE WALL SHALL BE PACKED WITH
<br />FIBERGLASS BLANKET INSULATION.
<br />12.DUCT HANGERS AND SUPPORTS SHALL BE IN ACCORDANCE WITH SMACNA HVAC DUCT CONSTRUCTION STANDARDS. IN
<br />ADDITION, HANGERS SHALL BE SPACED NOT OVER 8'_0" ON CENTERS. FOR RECTANGULAR DUCTS, WITH LONGEST
<br />DIMENSIONS UP THROUGH 60" HANGERS, THE HANGERS SHALL BE GALVANIZED STEEL STRAP TYPE; WITH LONGEST
<br />DIMENSION 61" AND LARGER, HANGERS SHALL BE TRAPEZE TYPE CONSTRUCTED OF GALVANIZED STEEL ANGLES WITH
<br />ROUND HANGERS RODS. SIZES FOR STRAP HANGERS AND TRAPEZE ANGLES AND RODS SHALL BE BASED ON DUCT SIZE
<br />AS SCHEDULED IN THE SMACNA HVAC DUCT CONSTRUCTION STANDARDS.
<br />13.FOR ROUND DUCTS; THE HANGERS SHALL BE THE GALVANIZED STEEL STRAP HANGERS. SIZES AND NUMBER FOR STRAP
<br />HANGERS SHALL 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
<br />SPUN -ALUMINUM WITH CONTINUOUSLY WELDED CURB CAP. PROVIDE WITH MANUFACTURER'S ROOF CURB. PROVIDE
<br />F. FIBERGLASS BLANKET INSULATION FOR DUCTWORK (INDOOR DUCT ONLY) SLOPED CURB FOR PITCHED ROOFS. EXHAUST ROOF HOODS PROVIDED WITH BACKDRAFT DAMPER. OA HOODS SHALL BE
<br />PROVIDED WITH A 120/1 MOTORIZED DAMPER TO CLOSE WHEN EQUIPMENT SERVED IS POWERED DOWN UNLESS
<br />1. INSULATION SHALL BE BLANKET TYPE FIBERGLASS INSULATION WITH AVERAGE THERMAL CONDUCTIVITY NOT INDIVIDUAL MOTORIZED DAMPERS ARE INDICATED AT EQUIPMENT BRANCHES.
<br />EXCEEDING 0.29 BTU IN. PER SQUARE FEET PER DEGREES F PER HOUR AT MEAN TEMPERATURE OF 75 DEGREES F. WITH
<br />E. EXECUTION
<br />A MINIMUM DENSITY OF 1 LB/CU. FT., 2" THICK MINIMUM AND FOIL INSULATION FACE. PROVIDE FIRE RETARDANT
<br />E. LOUVERS
<br />1. THE PLANS DO NOT GIVE EXACT ELEVATIONS OR LOCATIONS OF LINES, NOR DO THEY SHOW ALL THE OFFSETS, CONTROL
<br />ADHESIVE OR FOIL REINFORCED KRAFT TAPE, 3" WIDE AT ALL SEAMS. SECURE INSULATION TO DUCT WITH 18 GAUGE
<br />1. LOUVERS SHALL BE STATIONARY ALUMINUM, 4" DEEP WITH DRAINABLE BLADES, HIDDEN MULLION, ALL
<br />LINES, OR OTHER INSTALLATION DETAILS. THE CONTRACTOR SHALL CAREFULLY LAY OUT HIS WORK AT THE SITE TO
<br />TIE -WIRE OR 1/2" X 0.015" GALVANIZED STEEL STRAPS. PROVIDE COMPLETE AIR -TIGHT VAPOR BARRIER FOR ALL
<br />0.081" ALUMINUM WALL THICKNESS, AND KYNAR FINISH TO BE COORDINATED WITH ARCHITECT FOR COLOR. LOUVER
<br />CONFORM TO THE STRUCTURAL CONDITIONS, TO PROVIDE PROPER GRADING OF LINES, TO AVOID ALL OBSTRUCTIONS,
<br />DUCTWORK. STAPLES SHALL NOT BE PERMITTED FOR ANY INSULATION ATTACHMENT. PROVIDE GRAY SEALER FOR
<br />SIZED FOR 50% FREE AREA FOR 800 FPM AIRSPEED TO PREVENT"WATER ENTRAINMENT. PROVIDE EACH LOUVER WITH A
<br />TO CONFORM TO DETAILS OF INSTALLATION SUPPLIED BY THE MANUFACTURERS OF THE EQUIPMENT TO BE INSTALLED,
<br />SEALING JOINTS, PENETRATION AND PUNCTURES.
<br />MINIMUM 18" DEEP FULL SIZE PLENUM WITH DUCT CONNECTION SIZED AS INDICATED. PROVIDE OUTDOOR AIR SUPPLY
<br />AND TO THEREBY PROVIDE AN INTEGRATED, COORDINATED AND SATISFACTORY OPERATING INSTALLATION. DO NOT
<br />2. CONTINUE INSULATION THROUGH WALL AND CEILING OPENINGS AND SLEEVES, EXCEPT TERMINATE DUCT INSULATION
<br />LOUVERS INLET PLENUMS WITH ELASTOMERIC LINER AND PROVIDE MOTORIZED DAMPER AT CONNECTED DUCT.
<br />SCALE DRAWINGS.
<br />AT FIRE DAMPERS AND AT FLEXIBLE DUCT CONNECTIONS AT AIR HANDLING UNITS.
<br />LAYOUT BASIS IS RUSKIN ELF375DX. PROVIDE WITH INSECT SCREENING AT LOUVER FACE.
<br />2. IF THE CONTRACTOR PROPOSES TO INSTALL EQUIPMENT, INCLUDING PIPING AND DUCTWORK, REQUIRING SPACE
<br />3. PROTECT INSULATION FROM PHYSICAL DAMAGE AT POINTS OF SUPPORT WHERE INSULATION MUST CARRY LOAD
<br />V.HVAC EQUIPMENT
<br />CONDITIONS OTHER THAN THOSE SHOWN, OR TO REARRANGE THE EQUIPMENT, HE SHALL ASSUME FULL
<br />IMPOSED BY SUPPORT. COORDINATE THIS REQUIREMENT WITH TYPES OF HANGER AND SUPPORT USED. HANGERS THAT
<br />A. CONTRACTOR SHALL VERIFY REASONABLE OPERATION OF EXISTING UNIT TO REMAIN IN USE AND MAKE ANY REPAIRS OR
<br />RESPONSIBILITY FOR THE REARRANGEMENT OF THE SPACE AND CONNECT ARRANGEMENT AT NO ADDITIONAL COST TO
<br />PENETRATE INSULATION SHALL BE SEALED WITH MASTIC TO PRESERVE CONTINUOUS VAPOR BARRIER.
<br />COMPONENT REPLACEMENT REQUIRED TO HAVE THE UNITS OPERATE A FULL CAPACITY. ALL RUST AND EXTERIOR DAMAGE
<br />THE OWNER, AND SHALL HAVE THE ENGINEER REVIEW THE CHANGE BEFORE PROCEEDING WITH THE WORK. THE
<br />G. ELASTOMERIC (CLOSED CELL FOAM) DUCT LINER
<br />SHOULD BE REPAIRED AND PAINTED. A TECHNICIAN'S REPORT SHOULD BE ATTAINED AND DELIVERED TO THE OWNER FOR
<br />REQUEST FOR SUCH CHANGES SHALL BE ACCOMPLISHED BY SHOP DRAWINGS OF THE SPACE IN QUESTION.
<br />APPROVAL FOR EXISTING EQUIPMENT REPAIRS.
<br />3. TEMPORARY FILTERS SHALL BE PROVIDED FOR FANS THAT ARE USED DURING CONSTRUCTION. ATTHE TIME OF
<br />1. INSTALL INSIDE OF DUCT WITH FULL ADHESIVE COVERAGE ATTACHMENT TO THE SURFACE TO WHICH IT IS APPLIED;
<br />g ALL NEW AND REUSED UNIT ACCESS AND CONNECTION OPENINGS SHALL BE SEALED WITH PROVIDED GROMMETS, GASKETS FOR
<br />STARTING THE BALANCING OF THE AIR DISTRIBUTION SYSTEM, NEW FILTERS SHALL BE INSTALLED.
<br />1" FOR INDOOR AND 1-1/2" FOR OUTDOOR. R VALUES SHALL BE R-4.2 FOR 1" AND R-6.2 FOR 1-1/2". FIBERGLASS DUCT
<br />AIR TIGHT CONSTRUCTION WITH CONTINUOUS CASE INSULATION. CONTRACTOR TO REPAIR OR REPLACE DAMAGED DOORS,
<br />4. THE CONTRACTOR IS RESPONSIBLE FOR THE PROPER LOCATION AND SIZE OF ALL SLOT, HOLES OR OPENINGS IN THE
<br />LINER SHALL NOT BE PERMITTED UNDER ANY CIRCUMSTANCES. PROVIDE WITH ANTIMICROBIAL PROTECTION. PROVIDE
<br />MASTIC AT ALL INTERIOR SEEMS FOR CONTINUOUS VAPOR BARRIER. PROVIDE DUCT LINER AT FIRST FIVE FEET OF SUPPLY
<br />SEALS, GASKETS, GROMMETS ETC... THAT PREVENT AIR -TIGHT CASING.
<br />BUILDING STRUCTURE PERTAINING TO HIS WORK, AND FOR THE CORRECT LOCATION OF SLEEVES, INSERTS, CORES, ETC.
<br />DUCT FOR REFRIGERATION/COOLING AIR HANDLING EQUIPMENT, UPSIZING INDICATED DUCT SIZE TO ACCOUNT FOR
<br />C. ALL EXHAUST SHALL BE DUCTED FROM UNIT OUTLET TO ROOF CAP INLET OR LOUVER WITH CONTINUOUSLY SEALED DUCTING.
<br />5. THE CONTRACTOR SHALL SO COORDINATE THE WORK OF THE SEVERAL VARIOUS TRADES THAT IT MAY BE INSTALLED IN
<br />INSULATION THICKNESS. FIBERGLASS DUCT LINER OR DUCT BOARD SHALL NOT BE PERMITTED.
<br />NO EXHAUST SHALL BE OPENED INTO THE BUILDING EXTERIOR. PROVIDE ENCLOSED DUCT TRANSITION TO EACH ROOF CAM OR
<br />THE MOST DIRECT AND WORKMANLIKE MANNER WITHOUT HINDERING OR HANDICAPPING THE OTHER TRADES. PIPING
<br />WALL LOUVER.
<br />INTERFERENCES SHALL BE HANDLED BY GIVING PRECEDENCE TO PIPE LINES WHICH REQUIRE A STATED GRADE FOR
<br />D. ALL AIR MOVING EQUIPMENT SHALL BE PROVIDED WITH VIBRATION ISOLATION AND FLEXIBLE DUCT CONNECTIONS.
<br />PROPER OPERATION. FOR EXAMPLE SEWER LINES AND CONDENSATE PIPING SHALL TAKE PRECEDENCE OVER WATER
<br />III. VIBRATION ISOLATION
<br />LINES IN DETERMINATION OF ELEVATIONS. WHERE THERE IS INTERFERENCE BETWEEN SEWER LINES AND CONDENSATE
<br />E. CONTRACTOR SHALL PROVIDE GRAVITY DRAINAGE FOR ALL CONDENSATE -PRODUCING HEATING/COOLING EQUIPMENT VIA
<br />LINES, THE SEWER LINES SHALL HAVE PRECEDENCE AND PROVISIONS SHALL BE MADE IN THE CONDENSATE LINES FOR
<br />A. ALL MOTORIZED AIR MOVING AND FLUID MOVING EQUIPMENT PIECE SHALL BE PROVIDED WITH VIBRATION ISOLATION
<br />ZE
<br />GRAVITY DRAINAGE OR CONDENSATE PUMP IF GRAVITY DRAINAGE CANNOT BE ACHIEVED.
<br />LOOPING THEM AROUND THE SEWER LINES. IN ALL CASES, LINES REQUIRING A STATED GRADE FOR THEIR PROPER
<br />MOUNTING SUPPORTS.
<br />F. PROVIDE 2 SETS OF FILTERS FOR EACH FILTERED HVAC EQUIPMENT PIECE. PROVIDE FILTER AT INITIAL START-UP, JUST BEFORE
<br />OPERATION SHALL HAVE PRECEDENCE OVER ELECTRICAL CONDUIT AND DUCTWORK.
<br />B. PAD -TYPE ISOLATORS SHALL BE NEOPRENE IN -SHEAR ISOLATION PADS WITH CROSSED DOUBLE RIBS. A STEEL SHIM PLATE SHALL
<br />TEST AND BALANCE AND AGAIN AT TURN OVER TO OWNER. ALL AIR INLETS AND OUTLETS SHALL BE SEALED WITH FILTER MEDIA
<br />6. ALL PIPING AND DUCTWORK IN FINISHED AREAS- EXCEPT WHERE NOTED TO THE CONTRARY- SHALL BE INSTALLED IN A
<br />BE PROVIDED BETWEEN THE TWO LAYERS. PADS SHALL BE MOLDED USING OIL RESISTANT 25,000 PSI TENSILE STRENGTH
<br />DURING GENERAL CONSTRUCTION PRIOR TO TEST AND BALANCE.
<br />CHASE, FURRED SPACE, OR ABOVE CEILINGS, ETC. IN ALL CASES, PIPES AND DUCTS SHALL BE INSTALLED AS -HIGH AS
<br />NEOPRENE.
<br />POSSIBLE. RUNS OF PIPING SHALL BE GROUPED WHENEVER IT IS FEASIBLE TO DO SO.
<br />C. HANGING ISOLATORS FOR ITEMS 300 LBS OR LESS SHALL BE BRIDGE -BEARING NEOPRENE MOUNTINGS AND SHALL HAVE A
<br />MINIMUM STATIC DEFLECTION OF 0.2" AND ALL DIRECTIONAL SEISMIC CAPABILITY. THE ELEMENTS SHALL PREVENT THE CENTRAL
<br />G. ROOFTOP UNITS
<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
<br />THREADED SLEEVE AND ATTACHMENT BOLT FROM CONTACTING THE CASTING DURING NORMAL OPERATION. THE SHOCK
<br />1. PROVIDE PACKAGED DX ROOFTOP UNITS MANUFACTURED BY TRANE, LENNOX, AAON, CARRIER, OR YORK. PROVIDE
<br />NECESSARY TO OBTAIN SUCH INSPECTIONS AND APPROVAL SHALL BE MADE BY THE CONTRACTOR AS PART OF THIS
<br />ABSORBING NEOPRENE MATERIALS SHALL BE COMPOUNDED TO BRIDGE -BEARING SPECIFICATIONS. MASON HD, KINETICS
<br />WITH CAPACITIES AND ACCESSORIES PER UNIT SCHEDULE. PROVIDE CUSTOM SLOPED ROOF CURBS FOR ROOFS WITH
<br />CONTRACT AND WITHOUT ADDITIONAL COST TO THE OWNER.
<br />D. HANGING ISOLATORS FOR EQUIPMENT ABOVE 300 LBS SHALL BE STEEL SPRING -TYPE INCORPORATING STEEL HOUSING,
<br />GREATER THAN 2% SLOPE. PROVIDE VIBRATION ISOLATION TYPE ROOF CURBS FOR UNITS DIRECTLY OVER MUSIC
<br />EVAT R
<br />8. PIPING, DUCTWORK OR EQUIPMENT SHALL NOT BE INSTALLED IN ELECTRICAL EQUIPMENT ROOMS OR EL 0
<br />NEOPRENE OR LDS RUBBER SPRING CUP SIZED FOR 1" DEFLECTION. INSTALL SPRING IN PLUMB CONFIGURATION WITH
<br />REHEARSAL, PERFORMANCE OR OTHER ASSEMBLY AREAS. ALL UNITS SHALL BE PROVIDED WITH A MOTORIZED OA
<br />DAMPER OR ECONOMIZER, COIL GUARDS, HINGED ACCESS PANELS, SUPPLY AND RETURN SMOKE DETECTORS, STAINLESS
<br />MACHINE ROOMS EXCEPT AS SERVING ONLY THOSE ROOMS. OUTSIDE OF ELECTRICAL EQUIPMENT ROOMS, DO NOT
<br />MAXIMUM 1" DEFLECTION FROM ANY HORIZONTAL DISTORTION. THE ELEMENTS SHALL PREVENTTHECENTRAL THREADED
<br />SLEEVE AND ATTACHMENT BOLT FROM CONTACTING THE CASTING DURING NORMAL OPERATION. CONTRACTOR SHALL SELECT
<br />STEEL DRAIN PAN AND BURNER (FOR GAS UNITS). PROVIDE EACH RTU WITH CONVENIENCE RECEPTACLE (SEPARATE
<br />T HB ARD PANEL BOARDS POWER
<br />RUN PIPING OR DUCTWORK OR LOCATE EQUIPMEN ,WITH RESPECT TO SWITC O S,
<br />I NIN UNIT ELECTRICAL
<br />PANELS, MOTOR CONTROL CENTERS, DRY TYPE TRANSFORMERS OR ROOF TOP AIR CONDIT 0 G
<br />SPRING COLOR/RATING BASED ON EQUIPMENT WEIGHT. AMBER BOOTH SH, KINETICS SH, MASON 30 OR EQUIVALENT.
<br />CIRCUIT) AND DISCONNECT. OTHERWISE COORDINATE WITH THE ELECTRICAL CONTRACTOR FOR FIELD -MOUNTED
<br />DISCONNECT AND RECEPTACLE. ROUTE ALL CONDENSATE PIPING TO NEAREST ROOF DRAIN OR OTHER LOCALLY
<br />PANELS.
<br />APPROVED LOCATION WITH THE REQUIRED AIR GAP. NO PIPING SHALL SIT ON THE ROOF SURFACE. SHIFT EXISTING OR
<br />9. PROVIDE ACCESS TO EQUIPMENT AND APPARATUS REQUIRING OPERATION, SERVICE OR MAINTENANCE WITHIN THE LIFE
<br />IV. DUCTWORK AND FITTINGS
<br />NEW VENTS OR EXHAUST TERMINATIONS OR SHIFT UNITS AS NEEDED TO ASSURE 10' BETWEEN ANY EXHAUST OR FLUE
<br />OF THE SYSTEM. INCLUDING, BUT NOT LIMITED TO, MOTORS, VALVES, FILTERS, DAMPERS, SHOCK ABSORBERS, ETC.
<br />AND THE RTU INTAKE.
<br />EQUIPMENT LOCATED ABOVE LAY -IN TYPE CEILINGS IS CONSIDERED ACCESSIBLE.
<br />A. MATERIAL AND TYPE
<br />2. ADAPTER CURBS MAY BE USED WITH SPECIFIC ENGINEER APPROVAL OF SPECIFICALLY SUBMITTED ROOF CURBS
<br />10.DAMAGED EQUIPMENT SHALL BE REPAIRED OR REPLACED AT THE OPTION OF THE ARCHITECT.
<br />1. DUCT CONSTRUCTION SHALL CONFORM TO THE RECOMMENDATIONS OF THE SMACNA HVAC DUCT CONSTRUCTION
<br />(MAXIMUM OF 18" CURB HEIGHT). CONTRACTOR SHALL BE RESPONSIBLE FOR STRUCTURAL ANALYSIS OF EXISTING
<br />MANUAL. DUCTBOARD SHALL NOT BE PERMITTED.
<br />CURBS AND UNIT SUPPORTS FOR ADAPTER CURB CONNECTIONS.
<br />2. RIGID, SQUARE DUCTWORK SHALL BE CONSTRUCTED OF LOCK FORMING QUALITY GALVANIZED STEEL SHEETS PER ASTM
<br />F. ELECTRICAL WORK
<br />A527. GALVANIZED COATING SHALL BE NOT LESS THAN 1.25 OUNCES (TOTAL FOR BOTH SIDES) PER SQUARE FOOT OF
<br />1. ALL ELECTRICAL EQUIPMENT PROVIDED UNDER THIS DIVISION SHALL COMPLY WITH THE ELECTRICAL SYSTEM
<br />SHEET. DUCTWORK SHALL BE CLASSIFIED AND CONSTRUCTED SMACNA PRESSURE CLASSES: +2 FOR SUPPLY AND -2 FOR
<br />CHARACTERISTICS INDICATED ON THE ELECTRICAL DRAWINGS AND SPECIFIED IN DIVISION 16.
<br />RETURN AND EXHAUST. DUCTWORK GAUGE SHALL BE 26 GAUGE UP TO 30" AND 22 GAUGE ABOVE 30" IN CROSS
<br />H. FANS -GENERAL
<br />2. EQUIPMENT UNIT MOTOR SPEED CONTROLS, STARTERS, SYSTEM CONTROLS, PILOT LIGHTS, PUSH -BUTTONS, ETC., SHALL
<br />SECTIONAL HEIGHT, WIDTH, OR DIAMETER.
<br />7. FANS SHALL BE TESTED AND RATED IN ACCORDANCE WITH AMCA 210.
<br />BE FURNISHED COMPLETE AS A PART OF THE MOTOR APPARATUS WHICH IT OPERATES. ALL COMPONENTS SHALL BE IN
<br />3. CONCEALED ROUND DUCTS UP TO 12" IN DIAMETER IN PRESSURE CLASSES 2" AND LOWER SHALL BE LONGITUDINAL
<br />8. ALL FANS SHALL BE SUPPORTED INDEPENDENT OF CONNECTED DUCT OR CEILING SUPPORTS AND PROVIDED WITH
<br />CONFORMANCE WITH THE REQUIREMENTS OF THE NATIONAL ELECTRICAL CODE AND DIVISION 16. ALL MOTOR
<br />SEAM CONSTRUCTION.
<br />FLEXIBLE INLET/OUTLET CONNECTIONS.
<br />STARTERS SHALL BE PROVIDED WITH AN H-O-A SWITCH AND CONTROL TRANSFORMER. ALL STARTERS AND DISCONNECT
<br />SWITCHES SHALL BE FURNISHED UNDER DIVISION 15. COORDINATE INSTALLATION WITH ELECTRICAL CONTRACTOR
<br />4. EXPOSED ROUND DUCTWORK OR ROUND ABOVE 12" SHALL BE SPIRAL LOCK_SEAM CONSTRUCTION. ROUND FITTINGS
<br />•
<br />9• FAN WHEELS SHALL BE STATICALLY AND DYNAMICALLY BALANCED.
<br />SHALL BE FUSION WELDED BUT SEAM TYPE WITH ALL WELDS CONTINUOUS ALONG SEAMS. ALL DIVIDED FLOW FITTINGS
<br />PRIOR TO HIS WIRING OF EQUIPMENT.
<br />SHALL BE MANUFACTURED AS SEPARATE FITTINGS COLLARS WELDED INTO SPIRAL DUCT SECTIONS WILL NOT BE
<br />10.FANS SHALL BE DIRECT DRIVE WITH SPEED CONTROLLER, DIRECT DRIVE ECM. FANS SHALL NOT BE BELT DRIVE UNLESS
<br />3. CONTROL WIRING (120V AND LESS) SHALL BE PROVIDED UNDER DIVISION 15 AND EXTENDED FROM THE STARTERS,
<br />_TAP
<br />PERMITTED. ALL DIVIDED FLOW FITTINGS 12" IN DIAMETER AND SMALLER SHALL HAVE RADIUSED ENTRANCE PRODUCED
<br />SPECIFICALLY NOTED ON PLANS. V-BELT DRIVES SHALL BE DESIGNED FOR NOT LESS THAN 150% OF CONNECTED DRIVING
<br />CONTROL TRANSFORMERS OR 120V POWER CIRCUITS INDICATED ON THE ELECTRICAL DRAWINGS. ALL WIRING FOR 120
<br />BY MACHINE OR PRESS FORMING; ALL DIVIDED FLOW FITTINGS 14" AND LARGER SHALL HAVE CONICAL ENTRANCE
<br />CAPACITY AND MOTOR SHEAVES SHALL BE ADJUSTABLE TO PROVIDE NOT LESS THAN 20% SPEED VARIATION. SHEAVES
<br />VOLTS SHALL BE DONE BY A LICENSED ELECTRICIAN.
<br />PRODUCED BY MACHINE OR PRESS FORMING. ALL DIVIDED FLOW ENTRANCES SHALL BE FREE OF WELD BUILD-UP,
<br />SHALL BE SELECTED TO DRIVE THE FAN AT A SPEED TO PRODUCE THE SCHEDULED CAPACITY INDICATED ON THE
<br />BURRS AND IRREGULARITIES. FITTINGS SHALL BE OF THE SAME MANUFACTURER AS THE DUCTWORK.
<br />DRAWINGS WHEN SET ATTHE APPROXIMATE MIDPOINT OF THE SHEAVE ADJUSTMENT. MOTORS WITH V-BELT DRIVES
<br />4. ALL ELECTRICAL CHARACTERISTICS SHALL BETAKEN FROM THE ELECTRICAL DRAWINGS AND SPECIFICATIONS AND
<br />SHALL BE PROVIDED WITH ADJUSTABLE BASES.
<br />COORDINATED BEFORE EQUIPMENT IS ORDERED OR PURCHASED.
<br />5. DUCT SEALANT SHALL BE POLYMERIC RUBBER BASE MASTIC, MINERAL IMPREGNATED WOVEN FIBER TAPE WITH
<br />ADHESIVE, OR HEAT_SHRINK WITH ADHESIVE. TAPE THICKNESS UP TO 10" = 2"; UPTO 20" = 3"; OVER 20" = 4"
<br />ll.SAFETY/DISCONNECT SWITCHES (UNLESS SCHEDULED AS UNIT -INTEGRAL) AND STARTERS SHALL BE PROVIDED
<br />6. INSULATED FLEXIBLE DUCT SHALL BE CLASS 1 AIR DUCT IN ACCORDANCE WITH UL 181 AND SHALL COMPLY WITH NFPA
<br />12.BY ELECTRICAL CONTRACTOR AND SHALL CONFORM TO REQUIREMENTS OF ELECTRICAL DRAWINGS AND
<br />G. CUTTING AND PATCHING
<br />90A AND 90B. INSULATED FLEXIBLE DUCT SHALL CONSIST OF AN INNER FILM LAYER FOR MINIMUM WORKING PRESSURE
<br />SPECIFICATIONS. MECHANICAL CONTRACTOR SHALL COORDINATE MOUNTING LOCATION TO MAINTAIN MAINTENANCE
<br />1. THE CONTRACTOR SHALL ASSUME ALL COST OF, AND BE RESPONSIBLE FOR, ARRANGING FOR ALL CUTTING AND
<br />OF 6" WATER GAUGE BONDED TO A STEEL OR ALUMINUM SPRING WIRE HELIX, FIBERGLASS INSULATION, AND A VAPOR
<br />CLEARANCES. ALL THREE PHASE FANS SHALL BE PROVIDED WITH STARTER AND/OR CONTACTORS AS REQUIRED TO
<br />PATCHING REQUIRED TO COMPLETE THE INSTALLATION OF HIS PORTION OF THE WORK. ALL CUTTING SHALL BE
<br />BARRIER JACKET. INSULATION SHALL HAVE A MAXIMUM U_VALVE OF .23 BTU/HR/SQFT/DEG F AT 75 DEGREES F MEAN
<br />CONTROL FANS AND AUXILIARY DEVICES SUCH AS CONTROLS SYSTEM TIE-IN OR DAMPER ACTUATION.
<br />CAREFULLY AND NEATLY DONE SO AS NOT TO DAMAGE OR CUT AWAY MORE THAN IS NECESSARY OF ANY EXISTING
<br />TEMPERATURE. VAPOR BARRIER JACKET SHALL HAVE A MAXIMUM VAPOR TRANSMISSION RATE OF 0.1 GRAINS/SQ.
<br />PORTIONS OF THE STRUCTURE.
<br />FT./HR/INCH HG (PERM). THE ASSEMBLY SHALL HAVE A MAXIMUM FLAME AND SMOKE RATING OF 25/50 PER ASTM E84
<br />2. ALL SURFACES SHALL BE PATCHED TO THE CONDITION OF THE ADJACENT SURFACES.
<br />AND NFPA 255. FLEXIBLE DUCTS SHALL BE INSTALLED IN AN EXTENDED CONDITION FREE OF SAGS AND KINKS, USING
<br />J. IN-LINE/CEILING FANS
<br />ONLY THE MINIMUM LENGTH REQUIRED TO MAKE THE CONNECTION. ABRUPT BENDS AND TURNS THAT CRIMP THE
<br />9. FAN SHALL BE IN -LINE CENTRIFUGAL TYPE WITH SQUARE OR RECTANGULAR HOUSING AND BACKDRAFT DAMPER. FANS
<br />3. THE CONTRACTOR SHALL MAKE SUITABLE PROVISIONS FOR ADEQUATELY WATERPROOFING AT HIS FLOOR
<br />DUCT AND RESTRICT AIR FLOW SHALL NOT BE PERMITTED. HORIZONTAL SUPPORTS SHALL BE 3/4" WIDE, 22 GAUGE
<br />SHALL BE DESIGNED FOR HORIZONTAL OR VERTICAL MOUNTING. LAYOUT BASIS IS COOK GN/GC.
<br />PENETRATIONS OF WATER PROOF MEMBRANE FLOORS. THIS SHALL INCLUDE BUT NOT BE LIMITED TO FLOOR DRAINS,
<br />FLAT GALVANIZED STEEL SHEET BANDING MATERIAL. FLEXIBLE DUCTS SHALL BE SUPPORTED ON 36" CENTERS.
<br />OPEN SIGHT DRAINS, HUB DRAINS, CLEANOUTS, AND SLEEVES FOR THE VARIOUS PIPING. THIS ALSO APPLIES TO
<br />MAXIMUM LENGTH OF FLEXIBLE DUCT IN PRESSURE CLASS 2" AND BELOW SHALL BE 12 FEET. FLEXIBLE DUCT SHALL NOT
<br />10.FAN HOUSING SHALL BE STEEL WITH FACTORY APPLIED BAKED ENAMEL PAINT ON EXTERIOR. HOUSING SHALL BE
<br />MEMBRANE ROOFING SYSTEMS.
<br />BE USED ABOVE INACCESSIBLE CEILINGS.
<br />INTERNALLY INSULATED WITH 1/2" THICK (MINIMUM) COATED FIBERGLASS INSULATION. INSULATION SHALL COMPLY
<br />4. ALL PENETRATIONS AND WATER PROOFING OF PENETRATIONS IN MEMBRANE ROOFING SYSTEMS SHALL BE
<br />7. GREASE DUCT SERVING TYPE I HOODS SHALL BE 16 GAUGE BLACK IRON OR 18 GAUGE STAINLESS STEEL WELDED WITH
<br />WITH ASTM E84 AND NFPA 255 FOR MAXIMUM RATINGS OF FLAME SPREAD RATING OF 25 AND SMOKE DEVELOPED
<br />COORDINATED WITH AND PERFORMED BY THE MANUFACTURER/INSTALLER.
<br />AIR TIGHT SEAM. PROVIDE DUCT CLEANOUTS AT ALL CHANGES OF DIRECTION. FOR INSTALLATIONS THAT WILL RESULT
<br />RATING OF 50. HOUSING SHALL HAVE MOUNTING BRACKETS AT EACH CORNER.
<br />5. THE CONTRACTOR SHALL INSTALL, AS REQUIRED, IN CONCRETE, CARPENTRY OR MASONRY CONSTRUCTION, ALL
<br />IN A DUCT OR SECTION OF DUCT WITHIN 18" OF COMBUSTIBLE MATERIAL, PROVIDE FIRE -RATED INSULATION AS
<br />ll.FAN WHEEL SHALL BE BACKWARD INCLINED CENTRIFUGALTYPE OF ALUMINUM CONSTRUCTION. ON BELT DRIVE UNITS,
<br />NECESSARY HANGERS, SLEEVES, EXPANSION BOLTS, INSERTS AND OTHER FIXTURES AND APPURTENANCES NECESSARY
<br />REQUIRED FOR A ZERO INCH CLEARANCE TO COMBUSTIBLE INSTALLED PER MANUFACTURER'S AND/OR RATING AGENCY
<br />SHAFT BEARINGS SHALL BE SELF -ALIGNING, PILLOW BLOCK BALL TYPE. BEARINGS NOT PERMANENTLY LUBRICATED AND
<br />FOR THE SUPPORT OF PIPE, DUCT, EQUIPMENT AND DEVICES FURNISHED UNDER EACH SECTION OF THE SPECIFICATION.
<br />REQUIREMENTS COMPLETE WITH ALL REQUIRED PENETRATION TREATMENTS, NUMBER IF INSULATING LAYERS AND
<br />SEALED SHALL HAVE EXTENDED GREASE FITTINGS.
<br />APPROVED PREFABRICATED, RATED ACCESS PANELS. DO NOT PROVIDE VENTED ROOF CURBS FOR FIRE WRAPPED GREASE
<br />12.MOTOR AND DRIVE SHALL BE MOUNTED ON VIBRATION ISOLATORS. FAN SHALL HAVE A FACTORY INSTALLED
<br />6. FOR WALLS BETWEEN INTERIOR AND BELOW GRADE AREA, THE LINK -SEAL SYSTEM AS MANUFACTURED BY
<br />EXHAUST DUCTS.
<br />DISCONNECT SWITCH MOUNTED ON EXTERIOR OF HOUSING AND PRE -WIRED TO FAN MOTOR.
<br />THUNDERLINE CORPORATION SHALL BE USED TO SEAL PIPE TO WALL PENETRATIONS. INSTALL SYSTEM IN ACCORDANCE
<br />WITH MANUFACTURER'S INSTRUCTIONS.
<br />8. DISHWASHER EXHAUST DUCT SHALL BE STAINLESS STEEL.
<br />13.PROVIDE ALUMINUM GRILLE OPTION FOR CEILING MOUNTED FANS. FANS SHALL BE ROUTED TO ROOF CAP OR LOUVER
<br />7. ESCUTCHEONS SHALL BE INSTALLED ON ALL PIPES WHERE THEY PASS THROUGH FLOORS, CEILINGS, WALLS OR
<br />B. DAMPERS
<br />SIZED AT 800 FPM OUTLET AIRSPEED.
<br />PARTITIONS IN FINISHED AREAS WHERE EXPOSED TO VIEW.
<br />1. DAMPERS SHALL BE SINGLE BLADE BUTTERFLY TYPE IN DUCTS UP TO AND INCLUDING 18" X 12" SIZE; FOR DUCTS LARGER
<br />8. WHERE AND HVAC OR PLUMBING REPLACEMENT SCOPE IS INDICATED, MECHANICAL CONTRACTOR SHALL PROVIDE FOR
<br />THAN 18" X 12", IN EITHER OR BOTH DIMENSIONS, THE DAMPERS SHALL BE THE MULTI_BLADE TYPE. SINGLE BLADE
<br />VI. PIPING
<br />THE DEMOLITION OF EXISTING SYSTEMS THAT ARE BEING REPLACED OR ABANDONED
<br />BUTTERFLY DAMPER SHALL BE CONSTRUCTED OF NOT LESS THAN 16_GAUGE GALVANIZED STEEL BLADE MOUNTED IN A
<br />GALVANIZED STEEL FRAME. FOR RECTANGULAR DAMPERS, THE TOP AND BOTTOM EDGES OF THE BLADE SHALL BE
<br />A. USE DIELECTRIC UNIONS WHERE DISSIMILAR METALS ARE JOINED TOGETHER.
<br />H. ACCESS DOORS
<br />CRIMPED TO STIFFEN THE BLADE. DAMPER SHALL BE PROVIDED WITH AN EXTENDED ROD TO PERMIT INSTALLATION OF
<br />B. DOMESTIC WATER & PUMPED CONDENSATE
<br />1. FURNISH AND INSTALL ACCESS DOORS AT EACH POINT REQUIRED TO PROVIDE ACCESS TO CONCEALED VALVES,
<br />A DAMPER REGULATOR.
<br />CLEANOUTS AND OTHER DEVICES REQUIRING OPERATION, ADJUSTMENT OR MAINTENANCE. ACCESS DOORS SHALL BE
<br />2• MULTI_BLADE DAMPERS SHALL BE THE OPPOSED BLADE TYPE, CONSTRUCTED OF NOT THAN 16_GAUGE GALVANIZED
<br />1. UNDERGROUND WATER SERVICE PIPING 3" IN SIZE AND LARGER SHALL BE CLASS SO DUCTILE IRON PIPE, AWWA
<br />16 GAUGE STEEL, PRIME COAT FINISH, WITH MOUNTING STRAPS, CONCEALED HINGES AND SCREWDRIVER LOCKS,
<br />STEEL BLADES MOUNTED IN GALVANIZED STEEL CHANNEL FRAME. BLADE SPACING SHALL NOT EXCEED 6 INCHES AND
<br />NGS
<br />WITH HUB AND SPIGOT, PUSH_ON JOINTS, AND CLASS 50 OR GREATER MECHANICAL JOINT DUCTILE IRON FITTINGS ALL
<br />DESIGNED FOR THE DOORS TO OPEN 180 DEGREES.
<br />THE TOP AND BOTTOM EDGES OF THE BLADES SHALL BE CRIMPED TO STIFFEN THE BLADES. DAMPER BLADES SHALL BE
<br />CEMENT LINED PER AWWA C104. MECHANICAL JOINTS FOR DUCTILE IRON PIPE SHALL BE MADE WITH A FOLLOWER
<br />2. ACCESS DOORS INSTALLED IN FIRE WALLS OR PARTITIONS SHALL BE UL LABELED TO MAINTAIN THE FIRE RATING OF THE
<br />INTERCONNECTED BY RODS AND LINKAGES TO PROVIDE SIMULTANEOUS OPERATION OF ALL BLADES. DAMPERS SHALL
<br />GLAND, GASKET, BOLTS AND NUTS. PUSH -ON JOINTS FOR DUCTILE PIPE SHALL BE MADE WITH A ONE PIECE LUBRICATED
<br />COMPRESSION RUBBER GASKET AS PER AWWA C111.
<br />WALL OR PARTITION.
<br />BE PROVIDED WITH EXTENDED RODS TO PERMIT INSTALLATION OF DAMPER OPERATORS.
<br />I. FLAME SPREAD AND SMOKE DEVELOPED PROPERTIES OF MATERIALS
<br />3. DUCT MOUNTED DIAL REGULATORS WITH OPERATING HANDLE SHALL BE PROVIDED OR DAMPERS WHICH ARE LOCATED
<br />2• UNDERGROUND STEEL PIPE AND FITTINGS INCLUDING THE PORTION THROUGH THE FLOOR SHALL BE PROTECTED
<br />AGAINST CORROSION BY APPLICATION OF PROTECTIVE COATINGS. PRIOR TO COATING, PIPE AND FITTINGS SHALL BE
<br />1. MATERIALS AND ADHESIVES USED THROUGHOUT THE MECHANICAL AND ELECTRICAL SYSTEMS FOR INSULATION, AND
<br />ABOVE HARD CEILINGS OR INACCESSIBLE LOCATIONS. CONCEALED CEILING MOUNTED DIAL REGULATORS SHALL BE
<br />PROVIDED VOLUME CONTROL DAMPERS WHICH ARE LOCATED ABOVE HARD CEILINGS. CONCEALED REGULATORS
<br />CLEANED OF ALL RUST, SCALE, DIRT AND OIL. PIPES AND FITTINGS SHALL BE GIVEN TWO COATS OF A COAL -TAR BASE
<br />JACKETS OR COVERINGS OF ANY KIND, OR FOR PIPING OR CONDUIT SYSTEM COMPONENTS, SHALL HAVE A FLAME
<br />SHALL BE PROVIDED WITHIN DIFFUSER FACE WITH SCREW ADJUSTMENT.
<br />RO
<br />BITUMINOUS PROTECTIVE COATING, EACH HAVING A DRY FILM THICKNESS OF 7-9 MILS. THE COMBINED THICKNESS OF
<br />�, SPREAD RATING NOT OVER 25 WITHOUT EVIDENCE OF CONTINUED COMBUSTION AND WITH A SMOKE DEVELOPED
<br />BOTH COATS COMBINED SHALL BE 15-18 MILS.
<br />RATING NOT HIGHER THAN 50. IF SUCH MATERIALS ARE TO BE APPLIED WITH ADHESIVES, THEY SHALL BE TESTED AS
<br />4. PROVIDE DAMPERS AT ALL SUPPLY AND RETURN DUCT RUN OUTS TO EACH AIR DISTRIBUTION DEVICE WITH ACCESSIBLE
<br />3. UNDERGROUND WATER SERVICE PIPING 2 1/2" IN SIZE AND SMALLER (TO A POINT 1'-0" ABOVE THE FINISHED FLOOR)
<br />- APPLIED WITH SUCH ADHESIVES, OR THE ADHESIVES USED SHALL HAVE A FLAME SPREAD RATING NOT OVER 25 AND A
<br />ADJUSTMENT LEVER OR DIAL -TYPE REGULATOR ACTUATOR.
<br />SHALL BE. TYPE "K" HARD DRAWN COPPER TUBING, ASTM B88, WITH BRAZED JOINTS AND WROUGHT COPPER, ANSI
<br />SMOKE DEVELOPED RATING NOT HIGHER THAN 50.
<br />B16.22, OR CAST BRONZE, ANSI B16.18, SOCKET FITTINGS.. BRAZED JOINTS SHALL BE MADE USING BCUP-5 BRAZING
<br />'
<br />ALLOY WITH A COMPATIBLE FLUX.
<br />SOLDERED JOINTS AND WROUGHT COPPER, ANSI B16.22, OR CAST BRONZE, ANSI B16.18, SOCKET FITTINGS. SOLDER
<br />JOINTS SHALL BE MADE USING A 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
<br />DRAWN COPPER TUBING, ASTM B88, WITHOUT FITTINGS.
<br />6. FLANGED JOINT SHALL BE MADE WITH RING TYPE NON-METALLIC GASKETS, BOLTS AND NUTS.
<br />7. THREADED JOINTS AT EQUIPMENT CONNECTIONS SHALL BE MADE UP WITH TEFLON TAPE. AFTER CUTTING BUT PRIOR
<br />TO THREADING, 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
<br />USING BOLTED MECHANICAL COUPLING, PRESSURE -RESPONSIVE GASKET ALONG WITH GROOVED AND FITTINGS.
<br />LAYOUT BASIS SHALL BE ANVIL GRUV-LOCK,
<br />9. DIELECTRIC ADAPTERS SHALL BE PROVIDED BETWEEN COPPER AND IRON PIPE CONNECTIONS AND BETWEEN FERROUS
<br />AND NONFERROUS PIPING ORE UIPMENT.
<br />Q
<br />10.UNDERGROUND WATER PIPING SHALL HAVE A MINIMUM COVER OF 3'- 0" TO THE TOP OF THE PIPE.
<br />T R B V EILIN ON THE HOT AND COLD WATER BRANCH LINES SERVING A
<br />11.INSTALL WATER HAMMER ARRES O S A O E C G
<br />BATTERY OF FIXTURES• ON THE COLD WATER BRANCH
<br />LINES SERVING INDIVIDUAL FLUSH VALVE WATER CLOSETS AND
<br />URINALS; AND ELSEWHERE AS INDICATED ON THE DRAWINGS. PROVIDE ACCESS PANEL FOR WHA LOCATED ABOVE HARD
<br />CEILINGS.
<br />12.VA000M BREAKERS SHALL BE PROVIDED ON ALL HOS
<br />E OUTLETS HOSE BIBS AND HYDRANTS UNLESS THE DRAWINGS
<br />INDICATE THAT A BACKFLOW PREVENTER IS TO BE PROVIDED ON THE PIPING SERVING THE OUTLET.
<br />RANCH LINE TO ALL FL OR DRAIN WITH TRAP PRIMER FOR TRAP
<br />13.INSTALL 1/2" CW LINE FROM NEAREST CW MAIN OR B 0 S
<br />PRIMING. UNDERGROUND PIPING FROM TRAP PRIMER TO FLOOR DRAINS SHALL BE INSTALLED WITHOUT FITTINGS.
<br />TRAP PRIMERS SHALL BE PROVIDED FOR ALL FLOOR DRAINS AND HUB DRAINS.
<br />14.CONNECT HOT AND COLD WATER PIPING SYSTEM TO EQUIPMENT AS INDICATED, AND COMPLY WITH EQUIPMENT
<br />MANUFACTURER'S INSTALLATION INSTRUCTIONS. PR
<br />OVIDE SHUT-OFF BALL VALVE AND UNION FOR EACH CONNECTION
<br />PROVIDE DRAIN VALVE ON DRAIN CONNECTIONS. PROVIDE SINGLE SHUTOFF BALL VALVE FOR HEADERS SERVING HOT OR
<br />I E WALL OR CHASE. PROVIDE ACCESS PANEL FOR VALVES INSTALLED
<br />COLD WATER TO MULTIPLE FIXTURES WITHIN A S NGL
<br />ABOVE HARD CEILINGS.
<br />15.ALL DOMESTIC WATER SERVICE AND SUPPLY PIPING IN
<br />STALLED UNDER THIS DIVISION SHALL BE DISINFECTED WITH
<br />CHLORINE BEFORE IT IS PLACED INTO OPERATION. THE CHLORINATING MATERIAL SHALL BE LIQUID CHLORINE
<br />CONFORMING TO FED. SPEC. BB-C-120 AND SHALL BE INTRODUCED TO THE SYSTEM BY EXPERIENCED OPERATORS ONLY.
<br />THE CHLORINE SOLUTION APPLIED TO THE PIPING SECTIONS OR SYSTEM SHALL CONTAIN AT LEAST FIFTY PARTS PER
<br />IN THE SE IONS R Y TEM FOR A PERT D F NOT LESS THAN
<br />MILLION OF AVAILABLE CHLORINE AND SHALL REMAIN CT 0 S S 0 0
<br />SIXTEEN (16) HOURS. DURING THE DISINFECTION PERIOD ALL VALVES SHALL BE OPENED AND CLOSED AT LEAST FOUR
<br />TIMES. AT THE END OF THE RETENTION PERIOD, NO LESS THAN 50 PPM OF CHLORINE SHALL BE PRESENT IN THE
<br />EXTREME END OF THIS SYSTEM. AFTER THE DISINFECTION PERIOD THE CHLORINATED WATER SHALL BE FLUSHED FROM
<br />THE SYSTEM WITH CLEAR WATER UNTIL THE RESIDUAL CHLORINE CONTENT IS NOT GREATER THAN TWO -TENTHS - (0.2) -
<br />PARTS PER MILLION. THE CONSTRUCTION MANAGER SHALL SUBMITTO THE ARCHITECT WRITTEN CERTIFICATION THAT
<br />THE SYSTEM WAS DISINFECTED. CERTIFICATION SHALL INCLUDE NAME OF PROJECT, NAME OF OWNER, NAME OF
<br />OPERATORS, DATE OF DISINFECTION, TIMES OF DISINFECTION PERIOD, MAXIMUM CHLORINE LEVEL AND RESIDUAL
<br />CHLORINE LEVEL.
<br />C. NATURAL GAS
<br />1. ABOVE -GROUND MAXIMUM 2-1/2" GAS PIPING SHALL BE BLACK STEEL PIPE, .SCHEDULE 40, ASTM A53 WITH STANDARD
<br />WEIGHT WROUGHT STEEL SOCKET -WELD FITTINGS PER ASTM A234 OR THREADED CONNECTIONS. PIPE SIZES 3" AND UP
<br />OR WITH PRESSURE ABOVE 5PSI SHALL ONLY BE PERMITTED WITH SOCKET -WELDED JOINTS (NO THREADED
<br />CONNECTIONS).
<br />2. STEEL GAS PIPING TO BE INSTALLED UNDERGROUND SHALL BE FURNISHED WITH A FACTORY APPLIED COATING WHICH
<br />SHALL CONSIST OF A RESILIENT, EXTRUDED, POLYETHYLENE SLEEVE WHICH IS SEALED TO THE PIPE. THE PLASTIC
<br />COATING SHALL BE NOT LESS THAN 25 MILS THICK AND SEALED TO THE PIPE WITH A HOT APPLIED ADHESIVE WHICH
<br />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
<br />BACKING MEETING FEDERAL SPECIFICATION HH-T-30A, TAPECOAT CT OR TAPECOAT 20 OR JT JOINT COATINGS, INC.,
<br />WITH PRIMER, APPLICATION PROCEDURES AND HEATING IN ACCORDANCE WITH THE TAPE MANUFACTURER'S
<br />RECOMMENDATIONS.
<br />4. ARRANGE WITH THE UTILITY COMPANY TO PROVIDE GAS SERVICE TO INDICATED LOCATION WITH SHUTOFF AT
<br />TERMINATION. MAKE ALL ARRANGEMENTS WITH UTILITY AS TO THE EXTENT OF ITS WORK, AND PAY ALL COSTS, FEES
<br />AND SECURE PERMITS INVOLVED TO OBTAIN SERVICE FOR THE BUILDING.
<br />5. PROVIDE SHUTOFF IN GAS SERVICE PIPE AT ENTRY IN BUILDING, EXT/END PIPE TO GAS METER LOCATION INDICATED;
<br />PROVIDE PARTS 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
<br />PROVIDED WITH A 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
<br />AND AT CONNECTIONS TO EQUIPMENT. DRIP LEG CAP SHALL BE REMOVABLE WITH MINIMUM 4" BETWEEN CAP AND
<br />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.
<br />COORDINATE INLET/OUTLET PRESSURES WITH ACTUAL DELIVERED PRESSURE AND EQUIPMENT INLET PRESSURES.
<br />CONTRACTOR SHALL ARRANGE FOR ADJUSTMENT OF GAS PRESSURE TO PREVENT EXCESSIVE OR INSUFFICIENT GAS
<br />PRESSURE TO ALL EQUIPMENT PIECES.
<br />10.PROVIDE FLEX HOSE CONNECTION TO ALL INDOOR APPLIANCES NOT SUPPLIED WITH THE EQUIPMENT PIECE BY THE
<br />OWNER OR EQUIPMENT PROVIDER.
<br />ll.THREADED JOINTS SHALL BE MADE WITH A MIXTURE OF GRAPHITE AND OIL APPLIED TO MALE THREADS ONLY. AFTER
<br />CUTTING AND 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
<br />POLYETHYLENE TAPE AND THE SAME MANUFACTURER AS THE PIPE COATING. DAMAGED COATING SHALL BE REPAIRED
<br />WITH PRIMER AND TAPE AS SPECIFIED FOR 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
<br />SIZE SHALL BE SERVICE WEIGHT (COATED) CAST IRON SOIL PIPE AND FITTINGS, ASTM A74, WITH GASKET HUB AND
<br />SPIGOTJOINTS, ASTM C564. GASKET JOINTS FOR CAST IRON PIPE SHALL BE MADE WITH LUBRICATED NEOPRENE
<br />COMPRESSION GASKETS. PVC SHALL BE PERMITTED IF ALLOWED BY LOCAL CODE. UNDERGROUND PVC PIPING SHALL BE
<br />SCHEDULE 40 PVC WITH SOLVENT WELD JOINTS MEETING ASTM D-1785 AND ASTM D-2665.
<br />2. ABOVE -GROUND SANITARY, WASTE AND VENT AND STORM DRAINAGE PIPING 8" AND SMALLER SHALL BE SERVICE
<br />WEIGHT CAST IRON SOIL PIPE AND FITTINGS, ASTM A888 AND CISPI 301, WITH STANDARD NO -HUB COUPLINGS. PVC
<br />SHALL BE PERMITTED OUTSIDE OF RETURN AIR PLENUMS WITH OWNER APPROVAL. NEOPRENE RUBBER GASKET AND
<br />MINIMUM 24 GAUGE TYPE 304 STAINLESS STEEL SHIELD AND FOUR STAINLESS STEEL BANDS FOR SIZES 1 1/2" THROUGH
<br />4", SIX BANDS MINIMUM FOR SIZED 5" AND LARGER. 6" PIPE AND UP: NEOPRENE ELASTOMERIC GASKET AND SERIES 300
<br />STAINLESS STEEL SHIELD AND MULTIPLE DRAW BANDS AND SCREW CLAMPS CONFORMING TO ASTM C-564 AND CISPI
<br />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
<br />SOLDERED JOINTS AND WROUGHT COPPER, ANSI B16.22, OR CAST BRONZE, ANSI B16.18, SOCKET FITTINGS. SOLDERED
<br />JOINTS FOR TYPE'L' COPPER TUBING AND CAST DMV BRONZE PIPE SHALL BE MADE WITH 95-5 TIN -ANTIMONY (NO LEAD)
<br />SOLDER AND COMPATIBLE FLUX.
<br />E. PIPING HANGERS
<br />1. PROVIDE CLEVIS SUPPORTS WITH BEAM CLAMP, CONCRETE ANCHORS (CONCRETE STRUCTURE), SCREWED BRACKET
<br />(WOOD STRUCTURE). PROVIDE HANGER OUTSIDE OF INSULATION WITH RIGID FOAM GLASS INSULATION SECTION AT
<br />HANGERS. PROVIDE 16 GAUGE PIPING SADDLE AT EACH HANGER. NO WELDING OR CUTTING OF STEEL STRUCTURAL
<br />MEMBERS SHALL BE PERMITTED. LAYOUT BASIS SHALL BE 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'
<br />VI-L VALVES/PUMPS
<br />A.GENERAL
<br />1. VALVES SHALL HAVE THE NAME OR TRADEMARK OF THE MANUFACTURER AND THE WORKING PRESSURE STAMPED OR
<br />CAST ON THE VALVE BODY.
<br />2. ALL VALVES IN EACH SYSTEM, EXCEPT FOR SPECIAL TYPES SHALL BE THE PRODUCT OF A SINGLE MANUFACTURER.
<br />3. ALL VALVES REQUIRING PACKING SHALL BE DESIGNED AND CONSTRUCTED SUCH THAT THEY CAN BE REPACKED UNDER
<br />PRESSURE.
<br />4. VALVE HAND WHEELS/ ACTUATOR SHALL BE MALLEABLE IRON EXCEPT WHERE SPECIFIED OTHERWISE.
<br />5. ALL VALVES INSTALLED IN HORIZONTAL LINES SHALL BE INSTALLED WITH THE STEMS HORIZONTAL OR ABOVE. VALVE
<br />ACTUATOR SHALL BE ORIENTED, WHEN INSTALLED, TO PROVIDE MAXIMUM ACCESSIBILITY FOR OPERATION.
<br />6. PROVIDE ACCESS PANELS FOR VALVES LOCATED IN WALLS OR ABOVE HARD CEILINGS.
<br />B. VALVES FOR HYDRONIC / DOMESTIC WATER SYSTEM
<br />1. BALL VALVES (FOR PIPING 3" AND SMALLER) SHALL HAVE BRONZE BODY, STAINLESS STEEL BALL, LEVER HANDLE, FOR
<br />SYSTEMS UP TO 125 PSIG. GATE VALVES SHALL NOT BE PERMITTED FOR PIPES 3" AND SMALLER. VALVE LAYOUT BASIS
<br />SHALL BE WATTS B6000-SS
<br />2. GATE VALVES (FOR DOMESTIC PIPING 4" IN SIZE AND LARGER): VALVE SHALL HAVE IRON BODY, BRONZE TRIM,
<br />NON -RISING STEM, SOLID WEDGE AND FLANGED ENDS FOR 200 POUND W.O.G. LAYOUT BASIS FOR VALVE SHALL BE
<br />NIBCO F-619.
<br />3. BUTTERFLY VALVES (FOR HYDRONIC PIPING 4" AND LARGER): VALVE SHALL HAVE DUCTILE IRON BODY, EXTENDED NECK,
<br />GEOMETRIC DRIVE MOLDED -IN SEAT LINER, EPDM LINER AND ALUMINUM BRONZE DISC - INSTALL BETWEEN STD. ANSI
<br />CLASS 125/150 FLANGES - CONFORMING TO MSS-SP67/MSS-SP25/API-609. LAYOUT BASIS SHALL BE NIBCO WD 2000.
<br />4. CHECK VALVES (4" IN SIZE AND LARGER): VALVE SHALL BE HORIZONTAL SWING TYPE WITH IRON BODY, BRONZE TRIM
<br />AND FLANGED ENDS FOR 200 POUND W.O.G. VALVE LAYOUT BASIS SHALL BE NIBCO F-918-B.
<br />5. CHECK VALVES (3" IN SIZE AND SMALLER): VALVE SHALL BE HORIZONTAL SWING TYPE WITH BRONZE BODY,
<br />COMPOSITION DISC AND SOLDER ENDS FOR 200 POUND W.O.G. LAYOUT BASIS SHALL BE NIBCO S/T-413.
<br />6. HOSE END DRAIN VALVES: VALVE SHALL BE 3/4" IN SIZE WITH BRONZE BODY, NON -RISING STEM, SOLID WEDGE,
<br />THREADED INLET AND HOSE OUTLET WITH CAP AND CHAIN FOR 200 POUND W.O.G.
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<br />CONTRACT DATE:
<br />01.05.2016
<br />BUILDING TYPE:
<br />N/A
<br />PLAN VERSION:
<br />DEC 2015
<br />SITE NUMBER:
<br />N/A
<br />STORE NUMBER:
<br />N/A
<br />SHELL BUILDOUT
<br />5935 GALL BLVD
<br />ZEPHYRHILLS, FL 33541
<br />REMODEL
<br />PHASE 1
<br />MECHANICAL
<br />AND
<br />PLUMBING
<br />SPECIFICATIONS
<br />MP0.1
<br />PLOT DATE:
<br />4. ABOVE -GROUND WATER PIPING - 4" AND SMALLER SHALL BE. TYPE "L" HARD DRAWN COPPER TUBING, ASTM B88, WITH
<br />
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