HomeMy WebLinkAboutM-002 MECHANICAL SPECIFICATIONSGENERAL REQUIREMENTS:
1 EACH SUBCONTRACTOR SHALL GIVE ALL NOTICES AND COMPLY WITH ALL CODES, LAWS, ORDINANCES,
RULES AND REGULATIONS, AND ORDERS OF ANY PUBLIC AUTHORITY BEARING ON THE PERFORMANCE
OF THE WORK.
2 EACH SUBCONTRACTOR SHALL BE RESPONSIBLE FOR THE COST AND SCHEDULING OF ANY REQUIRED
INSPECTIONS FOR THE PERFORMANCE OF THEIR WORK.
3 EACH SUBCONTRACTOR SHALL SECURE AND PAY FOR ALL PERMITS AND LICENSES NECESSARY FOR
THE PROSECUTION OF THEIR WORK.
4 THE DRAWINGS ARE DIAGRAMMATIC AND INDICATE THE ARRANGEMENTS OF THE PRINCIPAL
EQUIPMENT, DUCTWORK AND PIPING, AND SHALL BE FOLLOWED AS CLOSELY AS POSSIBLE. BECAUSE
OF THE SCALE OF THE DRAWINGS, IT IS NOT POSSIBLE TO INDICATE ALL OFFSETS, FITTINGS,
EXPANSION JOINTS, ANCHORS, ISOLATION VALVES AND ACCESSORIES WHICH MAY BE REQUIRED.
EACH SUBCONTRACTOR SHALL FURNISH AND INSTALL ALL SUPPLEMENTARY OR MISCELLANEOUS
ITEMS, PIPE, VALVES, FITTINGS, APPURTENANCES AND DEVICES INCIDENTAL TO, OR NECESSARY FOR,
A SOUND, SECURE, COMPLETE, AND SATISFACTORILY OPERATING SYSTEM. CAREFULLY INVESTIGATE
THE STRUCTURAL AND FINISH CONDITIONS AFFECTING THE WORK AND THE WORK OF OTHER TRADES
AND ARRANGE EQUIPMENT, DUCTWORK, AND PIPING ACCORDINGLY. PROVIDE THE BEST POSSIBLE
ARRANGEMENT SO AS TO PROVIDE THE MAXIMUM HEADROOM AND ACCESS.
5 EACH SUBCONTRACTOR SHALL FIELD VERIFY EXISTING CONDITIONS AND SHALL ADJUST THEIR WORK
ACCORDING TO ANY VARIATIONS OR DEVIATIONS FROM THOSE SHOWN ON THE PLANS.
6 EACH SUBCONTRACTOR IS RESPONSIBLE FOR FURNISHING EQUIPMENT WHICH IS SUITABLE FOR THE
SPACE AVAILABLE. SUBCONTRACTOR SHALL PAY FOR ALL MODIFICATIONS TO THEIR WORK AND
WORK OF OTHERS REQUIRED TO ACCOMMODATE FURNISHED EQUIPMENT WHICH REQUIRES SPACE
DIFFERENT FROM THAT INDICATED ON DRAWINGS.
7 EACH SUBCONTRACTOR IS RESPONSIBLE FOR FURNISHING EQUIPMENT WHICH IS SUITABLE FOR THE
SERVICES SHOWN ON DRAWINGS. SUBCONTRACTOR SHALL PAY FOR ALL MODIFICATIONS TO THEIR
WORK AND WORK OF OTHERS REQUIRED TO ACCOMMODATE EQUIPMENT FURNISHED BY HIM WHICH
REQUIRES SERVICES DIFFERENT FROM THOSE INDICATED ON DRAWINGS.
8 ELECTRONIC SHOP DRAWINGS FOR ALL EQUIPMENT AND WORK SHALL BE SUBMITTED FOR REVIEW.
10 THREE BOUND SETS OF INSTRUCTION MANUALS SHALL BE FURNISHED TO PSI PRIOR TO ACCEPTANCE
OF THE PROJECT.
11 RECORD DRAWINGS SHALL BE KEPT OF ALL DEVIATIONS FROM THE CONTRACT DRAWINGS. RECORD
DRAWINGS SHALL BE SUBMITTED TO PSI PRIOR TO ACCEPTANCE OF THE PROJECT. NO SUCH
DEVIATIONS FROM THE CONTRACT DRAWINGS SHALL BE MADE WITHOUT PRIOR APPROVAL OF PSI.
12 ALL WORK SHALL BE INSTALLED SO AS TO BE ACCESSIBLE FOR OPERATION, MAINTENANCE, AND
REPAIR. EACH SUBCONTRACTOR SHALL PROVIDE ACCESS PANELS OF APPROPRIATE SIZE WHEN
THEIR WORK IS CONCEALED.
13 EACH SUBCONTRACTOR SHALL PROVIDE ALL CONCRETE PADS AND PIERS REQUIRED FOR THE
INSTALLATION OF THEIR WORK. CONCRETE PADS SHALL BE NOT LESS THAN 4" HIGH AND SHALL
EXTEND A MINIMUM OF 6" BEYOND THE EQUIPMENT OR PRODUCT MOUNTED THEREON. THE TOP OF
THE PAD SHALL BE LEVEL. CONCRETE SHALL BE A MINIMUM OF 3000 PSI WITH AIR ENTRAINMENT
UNLESS NOTED OTHERWISE.
14 PRIOR TO FINAL ACCEPTANCE PROVIDE TO PSI AND THE OWNER INSTRUCTIONS ON THE PROPER
OPERATION AND MAINTENANCE OF THE SYSTEMS, EQUIPMENT AND CONTROLS SUPPLIED BY THE
SUBCONTRACTOR.
15 EACH SUBCONTRACTOR SHALL PROVIDE UL RATED FIRE STOPPING WHEN PENETRATING ANY
FIRE -RATED WALL OR FLOOR. FIRE STOPPING MATERIALS SHALL BE OF A TYPE AND THICKNESS TO
ACHIEVE THE APPROPRIATE FIRE RATING AND SHALL CONFORM TO ALL CODE AND REGULATORY
REQUIREMENTS. FIRE STOPPING MATERIALS SHALL BE INSTALLED IN ACCORDANCE NTH THE
MANUFACTURER'S RECOMMENDATIONS. MAINTAIN FIRE RATING OF WALLS, PARTITIONS, CEILINGS, AND
FLOORS AT PENETRATION. MEET REQUIREMENTS OF ASTM E814 THROUGH PENETRATION FIRE TEST
BY A NATIONALLY RECOGNIZED TESTING AGENCY AND OTHER ASTM STANDARDS AS APPLICABLE FOR
THE INSTALLATION.
16 ALL BUILDING SURFACES, WALLS, FLOORS, ETC., WHICH ARE TO BE EXPOSED, DISTURBED, CUT OR
PARTIALLY REMOVED BY A SUBCONTRACTOR IN ABANDONING, REMOVING, REPLACING, OR INSTALUNG
THE WORK, SHALL BE PATCHED AND REPAIRED BY THIS SAME SUBCONTRACTOR, UNLESS OTHERWISE
NOTED. THE SUBCONTRACTOR SHALL ONLY EXPOSE, DISTURB, CUT OR REMOVE THE MINIMUM AREA
OF SUCH SURFACES NECESSARY TO PERFORM HIS WORK. IF IT BECOMES NECESSARY TO CUT INTO
THE WORK OF ANOTHER SUBCONTRACTOR, IT SHALL BE DONE AT THE EXPENSE OF THE CUTTING
SUBCONTRACTOR AND 'NTH THE CONSENT OF THE OTHER SUBCONTRACTOR. CUTTING SHALL BE
PERFORMED WITH SUCH TOOLS AND METHODS AS TO PREVENT DAMAGE TO THE SURROUNDING
BUILDING STRUCTURE, FINISHES AND EQUIPMENT. NO CUTTING SHALL BE DONE WHICH WILL IN
ANYWAY REDUCE THE STRUCTURAL STRENGTH OF THE BUILDING. AS REQUIRED BY THE NATURE OF
THE WORK BEING PERFORMED THE CUTTING SUBCONTRACTOR SHALL PROVIDE ALL LINTELS.
17 EACH SUBCONTRACTOR SHALL CORE DRILL HOLES THROUGH FLOORS, WALLS, DECKS, ETC., WHERE
PASSAGE IS NOT AVAILABLE, TO INSTALL THEIR WORK. PROVIDE STEEL SLEEVES AND PROPERLY
SEAL ALL PENETRATIONS AS REQUIRED. SEAL PIPE PENETRATIONS IN EXTERIOR WALLS USING
SLEEVES AND MECHANICAL SLEEVE SEALS. MECHANICAL SLEEVE SEALS SHALL BE MODULAR DESIGN,
WITH INTERLOCKING RUBBER LINKS SHAPED TO CONTINUOUSLY FILL ANNULAR SPACE BETWEEN PIPE
AND SLEEVE. INCLUDE CONNECTING BOLTS AND PRESSURE PLATES.
20 EACH SUBCONTRACTOR SHALL PROVIDE ONE (1) FULL YEAR PARTS AND LABOR WARRANTY COVERING
THEIR WORK FROM DATE OF ACCEPTANCE BY PSI AND THE OWNER.
21 EACH SUBCONTRACTOR SHALL PROVIDE DUST PROTECTION FOR THEIR OPERATIONS TO PROTECT
EXISTING EQUIPMENT, FINISHES, AND FURNISHINGS.
22 EXISTING EQUIPMENT WHICH IS TO BE REMOVED AND NOT REUSED SHALL BECOME THE PROPERTY OF
THE SUBCONTRACTOR, UNLESS DESIGNATED SPECIFICALLY TO BE RETAINED BY THE OWNER, AND
SHALL BE REMOVED FROM THE SITE AND DISPOSED OF PROPERLY ACCORDING TO LOCAL CODES.
FOR REFRIGERANT CONTAINING EQUIPMENT, RECOVER WITHOUT VENTING ALL REFRIGERANT IN
COMPLIANCE WITH EPA RULE 40 CFR PART BO. PROVIDE PSI WITH CERTIFICATION OF RECOVERY AND
DISPOSAL OF REFRIGERANT. DELIVER OWNER RETAINED ITEMS TO OWNER'S STORAGE FACILITY.
23 EACH SUBCONTRACTOR SHALL PERFORM A STARTUP OF EACH SYSTEM INCLUDED IN THEIR WORK.
STARTUP SHALL BE PERFORMED IN STRICT ACCORDANCE 'NTH MANUFACTURER'S PRINTED
PROCEDURE. SUBCONTRACTOR SHALL BE AVAILABLE FOR STARTUP OF EQUIPMENT PROVIDED BY
OTHERS AS NECESSARY FOR THEIR WORK.
24 EACH SUBCONTRACTOR SHALL CLEAN WORK AREAS DAILY.
25 EACH SUBCONTRACTOR SHALL BE RESPONSIBLE FOR ALL ROOF PENETRATIONS REQUIRED FOR THEIR
WORK. WHEN MAKING ROOF PENETRATIONS, MAINTAIN THE INTEGRITY OF ANY GUARANTEE THAT MAY
CURRENTLY COVER THE EXISTING ROOF.
26 EACH SUBCONTRACTOR SHALL BE RESPONSIBLE FOR ALL CEILING REMOVAL AND REPLACEMENT
REQUIRED FOR THE COMPLETION OF THEIR WORK. THIS RESPONSIBILITY INCLUDES TEMPORARY
SUPPORT AND REINSTALLATION OF EXISTING CEILING MOUNTED DEVICES. ALL LOGISTICAL
DISCONNECT AND RECONNECT, TEMPORARY AND PERMANENT OPENINGS AND/OR THE RELOCATION OF
EXISTING SERVICES, DEVICES OR BUILDING STRUCTURE SHALL BE THE RESPONSIBILITY OF THE
SUBCONTRACTOR PERFORMING THE WORK UNLESS SPECIFICALLY NOTED OTHERWISE.
27 EACH SUBCONTRACTOR SHALL BE RESPONSIBLE FOR ALL EXCAVATION AND BACKFILL REQUIRED FOR
THE COMPLETION OF THEIR WORK. DETERMINE LOCATION OF UNDERGROUND UTILITIES AND PERFORM
WORK IN A MANNER WHICH WILL AVOID POSSIBLE DAMAGE. PROTECT EXISTING TREES, SHRUBS,
FENCES, ROADS, SIDEWALKS, ETC., FROM DAMAGE. REPAIR ANY DAMAGE INCURRED.
28 EACH SUBCONTRACTOR SHALL TAKE ALL REASONABLE STEPS AND COMPLY WITH ALL APPLICABLE
LAWS TO ENSURE THE SAFETY OF ALL PERSONS AFFECTED BY THEIR WORK AND TO PROTECT ALL
PROPERTY FORM DAMAGE OR LOSS DUE TO THEIR OPERATIONS.
29 THE PROJECT SCHEDULE PROVIDES A NARROW WINDOW OF OPPORTUNITY TO COMPLETE A
TREMENDOUS AMOUNT OF WORK. IT IS THE RESPONSIBILITY OF EACH SUBCONTRACTOR TO IDENTIFY
THE DURATION REQUIRED FOR THEIR RESPECTIVE SCOPE OF WORK AND ENSURE A TIMELY
COMPLETION OF THAT SCOPE OF WORK WITHIN THE SCHEDULED COMPLETION DATE. ALL
SUBCONTRACTORS SHALL BE REWIRED TO COORDINATE THEIR WORK AND MAN THE PROJECT IN A
MANNER WHICH COMPLIMENTS THE OVERALL COMPLETION OF THE PROJECT WITHIN THE SCHEDULE
AND ALLOWS FOR THE PROPER TIMING AND COMPLETION OF OTHER TRADES.
30 UPON AWARD OF THE CONTRACT, EACH SUBCONTRACTOR SHALL PROVIDE A DETAILED PROJECT
SCHEDULE OUTLINE OF THE WORK TO BE PERFORMED, INCLUDING DURATION AND MANPOWER
REQUIREMENTS TO CORRESPOND WITH THE MASTER SCHEDULE MAINTAINED BY PSI. ALL SCHEDULE
DEVIATIONS SHALL BE IDENTIFIED AND EXPLAINED.
31 ALL SUBCONTRACTORS SHALL COORDINATE WITH LOCAL UTILITIES TO ENSURE THAT SERVICES ARE
AVAILABLE WHEN REQUIRED, BUT NO LATER THAN BY THE TIME OF FINAL ACCEPTANCE BY PSI,
32 MATERIALS, EQUIPMENT, LIGHTING AND STORAGE CONTAINERS SUPPLIED BY PSI SHALL BE RECEIVED,
STORED AND PROTECTED AS REQUIRED BY THE SUBCONTRACTOR RESPONSIBLE FOR INSTALLATION
AND RETROFIT. IF MATERIALS AND EQUIPMENT ARRIVE DAMAGED, DO NOT TAKE RECEIPT OF ITEMS
WITHOUT CONTACTING THE PSI PROJECT MANAGER. ALL MATERIALS EQUIPMENT AND RIGGING
REQUIRED FOR HANDLING, MOVING, STORING AND INSTALLATION SHALL BE PROVIDED BY THE
SUBCONTRACTOR RESPONSIBLE FOR INSTALLATION.
33 PSI WILL PROVIDE EQUIPMENT AS IDENTIFIED IN THE QUOTING DOCUMENTS. ALL REQUIRED
EQUIPMENT NOT IDENTIFIED IN THE QUOTING DOCUMENTS SHALL BE PROVIDED BY THE
SUBCONTRACTOR. ALL VIBRATIONS ISOLATION, EQUIPMENT SUPPORTS AND HANGERS SHALL BE
PROVIDED BY THE SUBCONTRACTOR INSTALLING THE EQUIPMENT.
34 NOT ALL EXISTING EQUIPMENT AND ROUTINGS ARE SHOWN ON THE DRAWINGS. THE SUBCONTRACTOR
SHALL BE RESPONSIBLE FOR INVESTIGATING ALL THE EXISTING SITE CONDITIONS AND INCLUDING ALL
EQUIPMENT AND WORK NECESSARY TO PROVIDE FULLY FUNCTIONAL, LONG TERM SOLUTIONS WITHIN
THEIR BID.
35 SOUND STOPPING SHALL BE PERFORMED ON ALL COMPONENTS PASSING THROUGH NON -FIRE RATED
WALLS OR FLOORS WHICH EXTEND FROM HORIZONTAL STRUCTURE TO HORIZONTAL STRUCTURE.
SOUND STOPPING SHALL CONSIST OF AN INSULATING MATERIAL ON THE INSIDE AND THE OUTSIDE
SHALL HAVE AN APPROVED SEALANT OR PLASTER. INSULATING MATERIAL SHALL BE NON -ASBESTOS
AND NON -FRIABLE, AND SHALL HAVE A FLAME SPREAD RATING OF NO MORE THAN 25 AND A
SMOKE DEVELOPING RATING OF NO MORE THAN 50.
1.0 BASIC MECHANICAL MATERIALS AND METHODS
1.1 ALL PIPING SHALL HAVE LABELS STATING CONTENTS AND DIRECTIONAL ARROWS INDICATING FLOW.
LABELS SHALL BE APPLIED 50' O.C. IN STRAIGHT RUNS EXCEPT NO MORE 25' O.C. IN EQUIPMENT
ROOMS. LABELS SHALL BE APPLIED ON BOTH SIDES OF A WALL WHERE PIPE PASSES THROUGH
-.-- - --_- -.--- -- -- - ---- ---- -_ -- CORP. - SETMARK TYPE SNA OR SIR.
RELEASED FOR CONSTRUCTION FURNISH DIRECTORY OF VALVES GIVING FLUID
Subject to compliance with all mgulatims 1ND NUMBER OF ROOM IN WHICH VALVE IS
at State and Local Codes ' LAMINATED ENGRAVED PLASTIC WITH STAINLESS
City of Camel LED AND FUNCTION OF VALVE.
OF EQUIPMENT. LABELS SHALL BE LAMINATED
ENGRAVED PLASTIC AND SHALL INCLUDE COMPLETE IDENTIFICATION OF EQUIPMENT INCLUDING AREA
SERVED, IDENTIFYING NUMBERS AND NAMES USED ON THE DRAWINGS.
1.4 INSTALL PIPING INDICATED TO BE EXPOSED AND PIPING IN EQUIPMENT ROOMS AND SERVICE AREAS
AT RIGHT ANGLES OR PARALLEL TO BUILDING WALLS. DIAGONAL RUNS ARE PROHIBITED UNLESS
SPECIFICALLY INDICATED OTHERWISE.
1.5 INSTALL UNIONS, IN PIPING 2" AND SMALLER, ADJACENT TO EACH VALVE AND AT FINAL CONNECTION
TO EACH PIECE OF EQUIPMENT. LOCATE UNIONS AND VALVES TO ALLOW FOR REMOVAL OF PIPING
DOWNSTREAM FOR EQUIPMENT ACCESS AND SERVICING.
1.6 INSTALL FLANGES IN PIPING 2-1/2" AND LARGER, ADJACENT TO FLANGED VALVES AND AT FINAL
CONNECTION TO EACH PIECE OF EQUIPMENT. LOCATE FLANGES AND VALVES TO ALLOW FOR
REMOVAL OF PIPING DOWNSTREAM FOR EQUIPMENT ACCESS AND SERVICING,
1.7 INSTALL DIELECTRIC NIPPLE FITTINGS TO CONNECT PIPING MATERIALS OF DISSIMILAR METALS.
1.8 IT SHALL BE THE RESPONSIBILITY OF THE PIPING SUBCONTRACTOR TO REVIEW THE EXISTING GAS
SERVICE AND ENSURE THAT THE NEW AND REMAINING EQUIPMENT ARE SUPPLED WITH THE
APPROPRIATE GAS PRESSURES AND VOLUMES. THIS WORK SHALL INCLUDE, BUT NOT BE LIMITED TO,
A LARGER SERVICE OR PRESSURE CHANGES, ADDITIONAL GAS PRESSURE REDUCING
VALVES/REGULATORS, INCREASING THE SIZE OF THE GAS SERVICE LINES AS REQUIRED. ALL NEW
PRVS SHALL BE OF TYPE AND SPECIFICATION AS RECOMMENDED BY THE RESPECTIVE EQUIPMENT
MANUFACTURER. THE LINE BETWEEN THE PRV AND THE EQUIPMENT GAS TRAIN SHALL PROVIDE A
SUFFICIENT AMOUNT OF VOLUME TO PREVENT THE PRV/REGULATOR FROM PULSATING (COORDINATE
REQUIREMENTS WITH THE EQUIPMENT MANUFACTURER AND PSI).
1.9 GAS TRAINS SHALL BE PROVIDED NTH GAS VENT LINES FOR ALL DIAPHRAGM DEVICES AND
DEDICATED VENTS FOR DOUBLE BLOCK AND VENT GAS TRAINS. GAS TRAINS SHALL BE AN
APPROVED UL INSTALLATION.
1.10 THERE SHALL BE NO COPPER PIPING OR TUBING IN THE ENURE GAS SYSTEM INCLUDING VENT LINES.
VENTS SHALL TERMINATE OUTSIDE THE BUILDING THROUGH APPROVED GAS VENTS, LIKE FISHERS
Y602 SERIES VENT FITTINGS. DIAPHRAGM VENTS AND RELIEF VENTS SHALL NOT TERMINATE IN THE
SAME FITTING. VENT LINES SHALL NOT BE COMBINED AND/OR MANIFOLDED TOGETHER.
1.11 FLUE PIPE LAYOUT, INSTALLATION AND COORDINATION WITH THE BOILER FLUE SUPPLIER SHALL BE
THE RESPONSIBILITY OF THE SHEET METAL SUBCONTRACTOR. THE ROUTING OF FLUE PIPE FOR ALL
NEW EQUIPMENT SHALL HAVE PRIORITY OVER ALL OTHER WORK INSTALLED. ALL EQUIPMENT SHALL
BE SET AND LOCATED IN A MANNER WHICH PERMITS AS STRAIGHT OF A ROUTE FOR THE FLUE AS
POSSIBLE.
1.12 INSTALL MANUAL AIR VENTS AT ALL HIGH POINTS IN HEATING HOT WATER, CHILLED WATER AND
DUAL TEMPERATURE PIPING SYSTEMS.
1.13 ROUTE STEAM AND REFRIGERANT PRESSURE RELIEF VALVES TO EXTERIOR OF BUILDING.
1.14 PRIOR TO EQUIPMENT INSTALLATION, VERIFY THERE IS SPACE TO PROVIDE SLOPE IN PIPING OFF OF
COOLING COIL CONDENSATE DRAIN PAN, HUMIDIFIER DRAIN PANS, AND STEAM CONDENSATE TRAPS.
1.15 FOR REFRIGERANT PIPING SYSTEMS, INSTALL CHARGING VALVES, INSTALL OIL UFDNG TRAPS BASED
ON SYSTEM REQUIREMENTS. INSTALL AND SUPPORT PIPING WITH ALLOWANCE FOR EXPANSION,
CONTRACTION, AND VIBRATION.
1.16 INSTALL ACCESS PANELS IN PLUMBING/MECHANICAL CHASES. ACCESS PANELS SHALL BE A MINIMUM
OF 12" SQUARE AND 14 GAUGE STEEL. PAINT ACCESS PANELS TO MATCH.
1.17 PIPING SUBCONTRACTOR SHALL SIZE ROOM LEVEL DUCTWORK, DIFFUSERS AND BRANCH PIPING
SYSTEMS NOT SHOWN ON THE DRAWINGS BASED ON THE ASSOCIATED EQUIPMENT SCHEDULES AND
THE FOLLOWING CRITERIA:
A. LESS THAN 4' FRICTION PER 100 FOOT OF PIPE FOR CHILLED WATER AND HEATING HOT WATER
BUT NOT LESS THAN 3/4" IN SIZE.
B. SUPPLY DUCTS - LESS THAN .08" STATIC PRESSURE DROP PER 100' OF DUCT AND LESS
THAN 1200 FPM VELOCITY.
C. RETURN DUCTS - LESS THAN .05" STATIC PRESSURE DROP PER 100' OF DUCT AND LESS
THAN 1200 FPM VELOCITY.
D. SUPPLY AIR FLOW TO BE EQUALLY SPUT BETWEEN DIFFUSERS IN EACH CORRESPONDING ROOM.
E. FOR ESTIMATION PURPOSES ONLY: PROVIDE AT LEAST ONE DIFFUSER PER ROOM AND NO
LESS THAN 1 DIFFUSER PER 300 GEM (ROUND UP IF ROOM AIR IS OVER 300 GEM PER ROOM).
1.18 CLEAN EQUIPMENT THOROUGHLY TO ENSURE IT IS FREE OF DIRT, SCALE, WASTE, DEBRIS, ETC.
PAINT DAMAGED OR SCRATCHED FACTORY FINISH WITH TOUCHUP PAINT MATCHING FACTORY FINISH.
1.19 INSTALL EQUIPMENT PLUMB AND LEVEL. INSTALL PUMPS, AIR HANDLING UNITS, CHILLERS, AND
BOILERS, ETC. IN ACCORDANCE WITH MANUFACTURER'S INSTRUCTIONS, LOCAL CODES AND
RECOGNIZED INDUSTRY PRACTICES. INSTALL PUMPS, AIR HANDLING UNIT, CHILLERS, ETC. ON
NEOPRENE ISOLATION PADS. ARRANGE INSTALLATION OF EQUIPMENT TO PROVIDE ACCESS AROUND
UNIT FOR SERVICE AND MAINTENANCE. ROOFTOP EQUIPMENT SHALL BE INSTALLED ON CURBS IN A
WEATHER TIGHT MANNER. COORDINATE ANY REQUIRED PREP WORK WITH SHEET METAL, ELECTRICAL
AND CONTROLS SUBCONTRACTOR PRIOR TO INSTALLATION OF EQUIPMENT.
1.20 RELEASE/REMOVE SHIPPING BOLTS ON FANS, PUMPS, COMPRESSORS, ETC. BEFORE STARTING
EQUIPMENT. COORDINATE CHECK OUT OF MOTOR ROTATION WITH ELECTRICAL SUBCONTRACTOR.
DISCONNECT PUMPS FROM MOTORS BEFORE CHECKING ROTATION, RECONNECT AFTER CHECK OUT.
1.21 CHECK LUBRICATION OF BEARINGS ON FANS, PUMPS, MOTORS, ETC. PRIOR TO STARTUP. CHECK
ALIGNMENT OF COUPLINGS AND FAN BELTS. ROUTE DRAINS FROM PUMP DRIP PANS TO FLOOR
DRAIN IN AREA.
1.22 CONNECT PIPES AND DUCTS TO EQUIPMENT WITH FLEXIBLE CONNECTORS WHERE IT IS INSTALLED ON
VIBRATION ISOLATORS. ALL PIPING AND DUCTWORK SHALL BE SUPPORTED INDEPENDENT OF
EQUIPMENT.
1.23 INSTALL BOILERS, CHILLERS, AND PUMPS ON CONCRETE BASES. ANCHOR EQUIPMENT TO CONCRETE
BASES. INSTALL MISCELLANEOUS STRUCTURAL STEEL ON FLOORS, IN CEILINGS OR ON ROOFS TO
SUPPORT EQUIPMENT.
1.24 INSTALL AND ANCHOR TERMINAL EQUIPMENT TIGHT AND SECURE TO FLOORS AND WALLS.
1.25 REFRIGERANT PIPING SYSTEMS, INCLUDING STRAINERS AND DRYER/FILTERS, ETC., SHALL BE CLEANED
AND DEHYDRATED. PRESSURE TEST REFRIGERANT SYSTEM FOR LEAKAGE IN MANNER RECOMMENDED
BY MANUFACTURER, UTILIZE AN ELECTRONIC OR HALIDE LEAK DETECTOR FOR LEAK CHECKS.
PROVIDE AND CHARGE CHILLER OR DX CONDENSING SYSTEM WITH REFRIGERANT IN THE QUANTITY
AND MIX RECOMMENDED BY THE CHILLER MANUFACTURER AND UNDER THEIR SUPERVISION. BLEED
OUT NONCONDENSABLE GASES. ALL REFRIGERANT WORK SHALL MEET OR EXCEED REQUIREMENTS OF
EPA TITLE VI, SUBMIT RECORDS OF REFRIGERANT INSTALLATION TO PSI.
1.26 CHECK AND STRAIGHTEN FINS ON ALL COILS IN EQUIPMENT PRIOR TO STARTUP.
1.27 INSTALL AIR FILTERS IN EQUIPMENT ONLY AFTER ALL CLEANING HAS BEEN COMPLETED AND PRIOR
TO TESTING AND BALANCING. PREVENT PASSAGE OF UNFILTERED AIR AROUND FILTERS WITH FELT,
RUBBER OR NEOPRENE GASKETS. INSTALL FILTER GAUGES ON OUTSIDE OF FILTER SECTIONS IN AN
ACCESSIBLE POSITION, INSTALL STATIC PRESSURE TIPS UPSTREAM AND DOWNSTREAM OF FILTERS.
1.28 THOROUGHLY CLEAN ALL PIPING SYSTEMS AND EQUIPMENT. FLUSH FREE OF DIRT, SCALE, OIL,
WASTE, ETC. BLOW -DOWN STRAINERS WHEN FLUSHING.
1.29 PROVIDE AND INSTALL VALVES IN ALL SYSTEMS AS REWIRED TO FACILITATE THE OPERATION OF
VARIOUS SYSTEMS AND THE WORK OF OTHER TRADES DURING CONSTRUCTION.
1.30 THOROUGHLY TEST FOR LEAKS, OPERATION, ETC.; EACH SYSTEM, DEVICE AND ITEM OF EQUIPMENT
INSTALLED AS PART OF THE WORK. TEST THE PIPING SYSTEM IN A MANNER THE ALLOWS THE
INSULATOR ACCESS TO INSULATING THE PIPING AT THE EARLIEST POSSIBLE TIME.
1.31 INSTALL PIPING COMPONENTS WITH PRESSURE RATINGS EQUAL TO OR GREATER THAN SYSTEM
OPERATING PRESSURE.
1.32 INSTALL PIPING FREE OF SAGS OR BENDS.
2.0 HANGERS AND SUPPORTS
2.1 ALL HANGER AND SUPPORT INSTALLATIONS SHALL MEET THE REQUIREMENTS OF ALL APPLICABLE
CODES, ALONG WITH THE FOLLOWING MANUFACTURERS STANDARDIZATION SOCIETY OF THE VALVE
AND FITTINGS INDUSTRY STANDARDS:
A. MSS-SP58 PIPE HANGERS AND SUPPORTS - MATERIALS, DESIGN AND MANUFACTURER.
B. MSS-SP69 PIPE HANGERS AND SUPPORTS - SELECTION AND APPLICATION.
C. MSS-SP89 PIPE HANGERS AND SUPPORTS - FABRICATION AND INSTALLATION PRACTICES.
D. MSS TYPE 39 - HARDWOOD BLOCKING SADDLES.
E. MSS TYPE 40 - PROTECTIVE SHIELDS.
2.2 IN LOCKER ROOMS AND KITCHENS, WHERE HANGERS ARE EXPOSED IN THE SPACE INSTALL EPDXY
COATED ALL -THREAD AND HANGERS OR COAT THEM WITH EPDXY PAINT AFTER INSTALLATION.
2.3 CUT EXCESS ALL -THREAD OFF DIRECTLY BELOW FASTENERS ON EQUIPMENT AND PIPING SUPPORTS.
2.4 INSTALL HANGERS AND SUPPORTS TO ALLOW CONTROLLED THERMAL AND SEISMIC MOVEMENT OF
PIPING SYSTEMS, TO PERMIT FREEDOM OF MOVEMENT BETWEEN PIPE ANCHORS, AND TO FACILITATE
ACTION OF EXPANSION JOINTS, EXPANSION LOOPS, EXPANSION BENDS AND SIMILAR UNITS.
2.5 INSTALL HANGERS AND SUPPORTS SO THAT PIPING LIVE AND DEAD LOADS AND STRESSES FROM
MOVEMENT WILL NOT BE TRANSMITTED TO CONNECTED EQUIPMENT.
2.6 INSTALL PROTECTIVE SHIELDS FOR INSULATION ON ALL INSULATED PIPING SYSTEMS.
2.7 PROVIDE COPPER PLATED HANGERS AND SUPPORTS FOR COPPER PIPING.
2.8 ARRANGE FOR GROUPING OF PARALLEL RUNS OF HORIZONTAL PIPING SUPPORTED TOGETHER ON
FIELD -FABRICATED, HEAVY DUTY TRAPEZE HANGERS WHERE POSSIBLE.
2.9 SUPPORT HORIZONTAL PIPING AS FOLLOWS:
MAX HANGER HANGER ROD
PIPE SIZE SPACING DIAMETER
1/2" TO 1-1/2" 6'-0" 3/8"
2" 10'-O" 3/8"
2-1/2" TO 3" 10'-0" 1/2"
4" TO 6" 10'-0" 5/8"
8" TO 12" 12'-O" 7/8"
14" AND OVER 12'-0" 1"
PVC (ALL SIZES) PER MANUFACTURES RECOMMENDATION AND ALL APPLICABLE LOCAL, STATE, AND
NATIONAL CODES.
2.10 GROOVED PIPE SYSTEMS SHALL BE SUPPORTED AT HANGER SPACINGS RECOMMENDED BY
MANUFACTURER, BUT IN NO CASE FARTHER APART THAN THIS CHART.
2.11 PLACE A HANGER WITHIN 12 INCHES OF EACH HORIZONTAL ELBOW.
2.12 SUPPORT VERTICAL PIPING AT EVERY FLOOR.
2.13 SUPPORT RISER PIPING INDEPENDENTLY OF CONNECTED HORIZONTAL PIPING.
3.0 MECHANICAL INSULATION
3.1 MECHANICAL INSULATION SHALL COMPLY WITH THE REQUIREMENTS OF THE CURRENT INDIANA ENERGY
CODE (ANSI/ASHRAE/IESNA STANDARD 90.1-2007 WITH INDIANA AMENDMENTS)
3.2 INSULATE INDOOR CONCEALED SUPPLY AIR, OUTSIDE AIR, COMBUSTION AIR, RETURN AIR (IN
UNCONDITIONED SPACES ONLY) AND EXHAUST AIR (DOWNSTREAM OF THE BACK DRAFT DAMPER)
DUCTWORK WITH 1-1/2" THICK GLASS FIBER BLANKET INSULATION, ASTM C553, TYPE II, K-VALUE
OF .27 AT 757, .75 LBS/CUBIC FOOT MINIMUM DENSITY, WITH ALL -SERVICE JACKET, VAPOR BARRIER
TYPE, MANUFACTURED FROM KRAFT PAPER, REINFORCING SCRIM, ALUMINUM FOIL AND VINYL FILM.
PROVIDE 2" THICK INSULATION IN UNHEATED ATTICS AND CRAWL SPACES. OVERLAP INSULATION
FACING AT SEAMS AND SEAL WITH VAPOR -RETARDER MASTIC AND PRESSURE -SENSITIVE TAPE
HAVING SAME FACING AS INSULATION.
3.3 INSULATE EXPOSED SUPPLY AIR, OUTSIDE AIR, COMBUSTION AIR, RETURN AIR (IN UNCONDITIONED
SPACES ONLY) AND EXHAUST AIR (DOWNSTREAM OF THE BACK DRAFT DAMPER) DUCTWORK WITH
1-1/2" THICK GLASS FIBER BOARD INSULATION, ASTM C612, TYPE IB, K-VALUE OF .23 AT 75E, 3.0
LBS/CUBIC FOOT MINIMUM DENSITY, WITH ALL -SERVICE JACKET, VAPOR BARRIER TYPE,
MANUFACTURED FROM KRAFT PAPER, REINFORCING SCRIM ALUMINUM FOIL AND VINYL FILM. OVERLAP
INSULATION FACING AT SEAMS AND SEAL WTH VAPOR -RETARDER MASTIC AND PRESSURE -SENSITIVE
TAPE HAVING SAME FACING AS INSULATION.
3.4 INSULATE CHILLED WATER AIR SEPARATORS, CHILLED WATER PUMPS AND CHILLERS NOT FACTORY
INSULATED WITH 1" THICK FLEXIBLE ELASTOMERIC CLOSED -CELL INSULATION, ASTM C534, TYPE II,
K-VALUE OF .27 AT 75T, FOR SHEET MATERIALS. ADHESIVE AND ULTRAVIOLET -PROTECTIVE
COATING AS RECOMMENDED BY THE INSULATION MANUFACTURER. APPLY INSULATION AND ADHESIVE
OVER ENTIRE SURFACE ACCORDING TO THE MANUFACTURER'S RECOMMENDATIONS. SEAL ALL JOINTS
AND SEAMS WITH VAPOR- RETARDER MASTIC AS RECOMMENDED BY THE INSULATION MANUFACTURER.
3.5 INSULATE THE FOLLOWING TYPES OF PIPING WITH GLASS FIBER FACTORY MOLDED RIGID INSULATION,
ASTM C547 TYPE I, K-VALUE OF .24 AT 757, WITH ALL -SERVICE JACKET, VAPOR BARRIER TYPE.
THICKNESS' AS LISTED BELOW. OVERLAP INSULATION FACING AT SEAMS AND SEAL WITH
VAPOR -RETARDER MASTIC AND PRESSURE SENSITIVE TAPE HAVE SAME FACING AS INSULATION,
A. DOMESTIC COLD AND HOT WATER (INCLUDING ALL VALVES AND COLD VALVE HANDLES): 1"
THICKNESS
B. LOW PRESSURE STEAM SUPPLY, LOW PRESSURE CONDENSATE RETURN, HEATING HOT WATER,
CHILLED WATER (INTERIOR), DUAL TEMP WATER: UP TO 1-1/2" PIPE SIZE, 1" THICKNESS; 2"
AND LARGER PIPE SIZE, 2" THICKNESS. (INCLUDING ALL VALVES AND COLD VALVE HANDLES).
C. CHILLED WATER (EXTERIOR): 2" THICKNESS WITH FIELD -APPLIED ALUMINUM JACKET.
(INCLUDING ALL VALVES AND COLD VALVE HANDLES).
D. ABOVE GRADE STORM PIPING & UNDERSIDE OF ROOF DRAINS (INCLUDING VERTICAL DROP FROM
ROOF DRAIN TO HORIZONTAL) AND HORIZONTAL SANITARY PIPING (EXCEPT PLUMBING
CHASES): USE %" THICK ELASTOMERIC OR 1" MOLDED FIBERGLASS.
E. ALL INSULATED PIPES LOCATED IN OCCUPIED ROOMS THAT ARE EXPOSED SHALL BE FURNISHED
WITH A PVC JACKETED COVER. PVC JACKETS SHALL BE
HIGH -IMPACT, ULTRAVIOLET -RESISTANT, 30 MILS THICK. APPLY WITH 1" OVERLAP AT JOINTS
AND SEAMS.
3.6 INSULATE THE FOLLOWING TYPES OF PIPING WITH FLEXIBLE ELASTOMERIC CLOSED CELL INSULATION
ASTM C534, TYPE I, K-VALUE OF .27 AT 757, FOR TUBULAR MATERIALS. ADHESIVE AND
ULTRAVIOLET -PROTECTIVE COATING AS RECOMMENDED BY THE INSULATION MANUFACTURER. SEAL
ALL JOINTS AND SEAMS WITH VAPOR -RETARDER MASTIC AS RECOMMENDED BY THE INSULATION
MANUFACTURER. APPLY TWO COATS OF FINISH IN ACCORDANCE WTH THE MANUFACTURER'S
INSTRUCTIONS AS REQUIRED TO PROVIDE A WEATHERPROOF FINISH FOR EXTERIOR INSTALLATION.
A. CONDENSATE DRAIN PIPING: 1/2" THICKNESS
B. REFRIGERANT SUCTION AND HOT GAS: 1" THICKNESS
3.7 ALL EXPOSED PIPING IN LOCKER ROOMS AND KITCHENS SHALL HAVE A FIELD -APPLIED PVC JACKET.
3.8 PVC JACKETS SHALL BE HIGH -IMPACT, ULTRAVIOLET -RESISTANT, 30 MILS THICK. APPLY WITH 1"
OVERLAP AT JOINTS AND SEAMS.
3.9 ALUMINUM JACKETS SHALL BE 3003 ALLOY, H-14 TEMPER, MINIMUM 0.010 THICK, WITH 1 MIL. THICK
HEAT -BONDED POLYETHYLENE AND KRAFT PAPER MOISTURE BARRIER. APPLY WITH 2" OVERLAP AT
JOINTS AND SEAMS. OVERLAP LONGITUDINAL SEAMS ARRANGED TO SHED WATER.
3.10 APPLY INSULATION OVER FITTINGS, VALVES, AND SPECIALTIES WITH CONTINUOUS THERMAL AND
VAPOR -RETARDER INTEGRITY. SEAL PENETRATIONS IN INSULATION AT HANGERS, SUPPORTS,
ANCHORS, AND OTHER PROJECTIONS WITH VAPOR -RETARDER MASTIC. APPLY INSULATION
CONTINUOUSLY THROUGH HANGERS AND AROUND ANCHOR ATTACHMENTS. EXTEND INSULATION ON
ANCHOR LEGS AT LEAST 12" FROM POINT OF ATTACHMENT TO PIPE AND TAPER INSULATION ENDS.
SEAL TAPERED ENDS WITH A COMPOUND RECOMMENDED BY THE INSULATION MATERIAL
MANUFACTURER TO MAINTAIN VAPOR RETARDER.
3.11 APPLY PIPE INSULATION CONTINUOUSLY THROUGH WALLS AND FLOORS. APPLY DUCT INSULATION
CONTINUOUSLY THROUGH WALLS AND PARTITIONS, EXCEPT FIRE -RATED WALLS AND PARTITIONS
(TERMINATE DUCT INSULATION AT FIRE/SMOKE DAMPER SLEEVES). TERMINATE DUCT INSULATION AT
UNDERSIDE OF FLOOR ASSEMBLY AND AT FLOOR SUPPORT AT TOP OF FLOOR. TAPER TERMINATION
AND SEAL INSULATION ENDS 'NTH VAPOR -RETARDER MASTIC.
3.12 ALL INSULATION SHALL HAVE A FLAME -SPREAD RATING OF 25 OR LESS, AND A SMOKE -DEVELOPED
RATING OF 50 OR LESS.
3.13 INSTALL ALL MATERIALS IN ACCORDANCE WITH MANUFACTURER'S INSTRUCTIONS.
3.14 PUMP BODY, VALVE HANDLES, EQUIPMENT, STRAINERS, ETC., INSULATION SHALL BE INSTALLED IN
SUCH A MANNER THAT IT CAN BE EASILY REMOVED AND REPLACED WITHOUT DAMAGE.
4.0 VALVES
4.1 VALVES IN STEEL PIPING SHALL BE SCREWED 2" AND SMALLER OR FLANGED END 2-1/2" AND
LARGER. VALVES IN COPPER TUBING SHALL BE BRONZED BODY, NTH SOLDERED OR BRAZED ENDS.
4.2 ALL VALVES SHALL BE DRIP -TIGHT, RATED FOR CONTINUOUS DUTY FOR A MINIMUM OF 25 PSIG AND
25 DEC. F. HIGHER THAN DUTY IMPOSED. MINIMUM PRESSURE/TEMPERATURE RATING: 125
PSIG/250 DEG. F. FOR FLUIDS 99 PSIG AND LESS, 250 PSIG/350 DEC. F. FOR FLUIDS 100 PSIG AND
HIGHER,
4.3 CHECK VALVES: NON -SLAM GLOBE TYPE, IRON OR SEMI -STEEL BODY, STAINLESS STEEL SPRING,
BRONZE TRIM. 2" AND SMALLER, THREADED OR SOLDERED ENDS; 2-1/2" AND LARGER, FLANGED
OR GROOVED END.
4.4 BALL VALVES: 400 PSIG WOG CONSTRUCTION, 250 DEG. F. MINIMUM TEMPERATURE RATING,
EQUIPPED WITH REINFORCED TEFLON SEATS AND SEALS, ANTI -BLOWOUT STEM AND OVERSIZED PORT,
CHROME PLATED BALL, BRONZE OR BRASS BODY, SCREWED/SOLDERED PATTERN.
4.5 BUTTERFLY VALVES: LUG OR GROOVED PATTERN WAFER TYPE, RATED 250 PSIG/350 DEG. F.,
STAINLESS STEEL SHAFTS AND DISC, FLANGE SEALS INTEGRAL WITH SEAT OR SEPARATE O-RINGS
AND BRONZE DISC, CAST IRON BODY, EQUIPPED WITH REPLACEABLE SEATS. OPERATOR FOR 6" AND
SMALLER VALVES SHALL BE TEN (10) POSITION HANDLE. OPERATOR FOR 8" AND LARGER VALVES
SHALL BE ENCLOSED GEAR POSITIONER WITH DIAL INDICATOR AND HAND WHEEL WITH SPINNER.
4.6 GATE AND GLOBE VALVES: CLASS 125, 150 PSIG WOG CONSTRUCTION; 2" AND SMALLER, BRONZE,
SCREWED PATTERN WITH RISING STEM, UNION BONNET, SINGLE WEDGE DISC. 2-1/2" AND LARGER,
CAST IRON, OS&Y, FLANGED PATTERN WTH BOLTED BONNET, RISING STEM, BRONZE SEATS, STEM
AND DISC FACES.
4.7 BALL VALVES AND BUTTERFLY VALVES INSTALLED IN CHILLED WATER, DUAL TEMPERATURE AND
DOMESTIC COLD WATER SYSTEMS SHALL HAVE AN EXTENDED HANDLE WHICH OFFERS VAPOR SEAL,
ADJUSTABLE MEMORY STOP AND VALVE PACKING MAINTENANCE WITHOUT DISTURBING THE
INSULATION.
4.8 INSTALL VALVES WITH UNIONS OR FLANGES AT EACH PIECE OF EQUIPMENT ARRANGED TO ALLOW
SERVICING, MAINTENANCE, AND EQUIPMENT REMOVAL WITHOUT SYSTEM SHUT -DOWN.
5.0 PIPING AND SPECIALTIES
5.1 SCHEDULE 40 BLACK STEEL PIPE: ASTM A53 OR A106, WITH FITTINGS ANSI/ASTM B16.3,
MALLEABLE IRON OR ASTM A234, FORGED STEEL WELDING TYPE. SCREWED JOINTS FOR PIPE 2" AND
SMALLER, ANSI/ASW D1.1 WELDED OR GROOVED MECHANICAL JOINTS, MEETING AS11M A 536, FOR
PIPE LARGER THAN 2".
A. TEE DRILLING MUST BE APPROVED BY PSI PRIOR TO BEGINNING WORK AND WILL ONLY BE
ALLOWED ON A UMITED BASIS.
B. DIELECTRIC FITTINGS SHALL BE ZINC PLATED WITH DIELECTRIC THERMOPLASTIC LINING MEETING
ASTM F492-77.
5.2 TYPE L COPPER: ASTM B88, DRAWN -TEMPER COPPER TUBING.
5.3 TYPE K COPPER: ASTM B88, ANNEALED -TEMPER COPPER TUBING.
5.4 CAST IRON PIPE: ASTM A74; CISPI 301 HUBLESS SOIL PIPE.
5.5 PIPING APPUCATONS:
A. ABOVEGROUND HEATING HOT WATER, CHILLED WATER AND CONDENSER WATER (2" AND
SMALLER): TYPE L COPPER OR SCHEDULE 40 BLACK STEEL.
B. ABOVEGROUND HEATING HOT WATER, CHILLED WATER AND CONDENSER WATER (2-1/2" AND
LARGER): SCHEDULE 40 BLACK STEEL.
C. BELOW GROUND HEATING HOT WATER AND CHILLED WATER: TYPE K COPPER.
D. CONDENSATE DRAIN LINES: TYPE L COPPER OR SCHEDULE 40 PVC WITH SOLVENT- WELDED
JOINTS.
E. STEAM SUPPLY AND CONDENSATE PUMP DISCHARGE: SCHEDULE 40 BLACK STEEL.
F. STEAM CONDENSATE RETURN: SCHEDULE 80 BLACK STEEL.
G. ABOVEGROUND DOMESTIC WATER PIPING: TYPE L, HARD COPPER TUBE, COPPER PRESSURE
FITTINGS, AND SOLDERED JOINTS.
H. ABOVE GROUND SANITARY WASTE PIPING: HUBLESS CAST IRON SOIL PIPE WITH 304SS
COUPLINGS.
I. ABOVE GROUND HEATING HOT WATER, CHILLED WATER, AND CONDENSER WATER 2" AND
SMALLER MAY USE PRESS TYPE COPPER FITTINGS. FITTINGS SHALL HAVE MINIMUM NON SHOCK
WORKING PRESSURE OF 200 PSIG. ELASTOMERIC SEALS SHALL BE EPDM AND INCLUDE A LEAK
DETECTION SYSTEM TO ALLOW IDENTIFICATION OF NON -CRIMPED FITNGS. JOINTS SHALL BE
ASSEMBLED NTH TOOLS AND JAWS MADE OR APPROVED BY THE FITTING MANUFACTURER.
5.6 STRAINERS: Y-PATTERN, STAINLESS STEEL SCREEN, CAST IRON BODY IN STEEL PIPING SYSTEM,
BRONZE BODY IN COPPER PIPING SYSTEM, 250 PSIG SERVICE RATING. PROVIDE BLOW -OFF
CONSISTING OF NIPPLE, GATE VALVE, NIPPLE AND CAP ON ALL STRAINERS.
5.7 WALL SEALS: CONSIST OF INTERLOCKING RUBBER LINKS IN COMPRESSION BY PHOSPHATE PLATED
CARBON STEEL BOLTS IN CONJUNCTION WITH CATHODIC TYPE DELRIN PLASTIC PRESSURE PLATES,
CONSTRUCTED TO PROVIDE AIR TIGHTNESS IN ABOVE GROUND APPLICATIONS AND HYDROSTATIC
SEALING IN BELOW GRADE APPLICATIONS. UKE "LINK -SEAL" BY THUNDERLINE CORP. PROVIDE WALL
SEALS ON ALL PIPES PASSING THROUGH EXTERIOR WALLS, BOTH ABOVE AND BELOW GROUND.
5.8 BACKFLOW PREVENTERS: REDUCED PRESSURE TYPE 'NTH TWO INDEPENDENTLY OPERATING SPRING
LOADED CHECK VALVES HAVING AN AUTOMATICALLY OPERATING MECHANICALLY INDEPENDENT,
HYDRAULICALLY DEPENDENT PRESSURE DIFFERENTIAL RELIEF VALVE LOCATED BETWEEN THE CHECK
VALVES WITH TWO SHUT-OFF VALVES, FOUR TEST -COCKS, AND AIR GAP DRAIN FUNNEL. UNIT
SHALL BE APPROVED BY THE STATE BOARD OF HEALTH. PIPE TEST COCK DISCHARGE FUNNELS TO
NEAREST FLOOR DRAIN.
5.9 PRESSURE REDUCING VALVE FOR FILL CONNECTIONS ON CLOSED LOOP HYDRONIC SYSTEMS: SHALL
BE BRONZE OR BRASS BODY CONSTRUCTION WITH REMOVABLE INLET STRAINER, NON -CORROSIVE
VALVE SEAT AND STEM, UP TO 30OPSIG INLET PRESSURE, ADJUSTABLE 10-35 PSIG OUTLET
PRESSURE(PRESET TO 12 PSIG).
5.10 SAFETY RELIEF VALVES: BRONZE OR CAST IRON BODY, TEST LEVER, ASME RATED. SIZE VALVES FOR
BTUH CAPACITY OF ENTIRE SYSTEM.
A. PROVIDE AN ASME 'UV MARKED RELIEF VALVE AT EACH ASME CERTIFIED PRESSURE VESSEL
AND HEAT EXCHANGER (WHICH INCLUDES EXPANSION TANKS AND AIR SEPARATORS).
5.11 WATER METERS: BRONZE BODY, POSITIVE DISPLACEMENT METER, TOTAL GALLON REGISTER AND
4-20MA ANALOG OUTPUT.
5.12 EXPANSION TANKS: BLADDER TYPE PRESSURIZED TANK CONSTRUCTED OF WELDED BLACK STEEL,
ASME CONSTRUCTED AND LABELED FOR MINIMUM 250 PSIG WATER WORKING PRESSURE AND 375
DEG. F. OPERATING TEMPERATURE. HYDROSTATICALLY TESTED AT MINIMUM OF 1-1/2 TIMES
WORKING PRESSURE, TAPPED OPENINGS AS REQUIRED, RUSTPROOF EXTERIOR COATING.
5.13 AIR SEPARATOR: CONSTRUCTED OF WELDED BLACK STEEL, ASME CONSTRUCTED AND LABELED FOR
MINIMUM 250 PSIG WATER WORKING PRESSURE AND 375 DEG. F. OPERATING TEMPERATURE.
TANGENTIAL OR COALESCING TYPE, DESIGNED TO DIRECT RELEASED AIR INTO ATMOSPHERE OR TO A
TANK, WITH THREADED BLOWDOWN CONNECTION.
5.14 AIR ELIMINATOR VALVE: CAST IRON BODY, STAINLESS STEEL AIR SEPARATING TRAP, HIGH REMOVAL
RATE AT LOW PRESSURE DIFFERENTIAL, MINIMUM 250 PSIG WATER WORKING PRESSURE, MINIMUM 250
DEG F. OPERATING TEMPERATURE.
5.15 MANUAL AIR VENT: MINIMUM 250 PSIG WATER WORKING PRESSURE, MINIMUM 225 DEG. F.
OPERATING TEMPERATURE, WITH MANUAL SHUTOFF. BRONZE BODY, SCREWED OR SOLDERED BALL
TYPE.
5.16 FLEXIBLE CONNECTORS: PUMPS/CHILLERS; MINIMUM 250 PSIG WATER WORKING PRESSURE. NYLON
REINFORCED NEOPRENE RUBBER WITH STEEL FLANGES. TERMINAL EQUIPMENT; MINIMUM 250 PSIG
WATER WORKING PRESSURE, KEVLAR REINFORCED EPDM WITH STAINLESS STEEL BRAID HOSE WITH
THREADED OR SOLDERED CONNECTIONS.
5.17 PUMP INLET DIFFUSERS: COMBINATION REDUCING ELBOW AND INLET DIFFUSER, GROOVED OR
FLANGED CAST IRON BODY, STAINLESS STEEL INLET VANES, 304 STAINLESS STEEL ORIFICE CYLINDER,
START UP STRAINER, 250 PSIG WATER WORKING PRESSURE, ADJUSTABLE FOOT SUPPORT, GAUGE
PORT AND PLUG ON OUTLET FLANGE.
5.18 PUMP INLET AND OUTLET DIFFUSERS BY METRA FLEX AS DETAILED ON PLANS: CRV FLEX INLET
DIFFUSER. PROVIDE WTH 150 PSIG PLATE FLANGE OR GROOVED CONNECTIONS, DISCHARGE PATTERNS
SHALL BE STRAIGHT OR 90' ELBOW AS REQUIRED. DISCHARGE PUMP DIFFUSER SHALL BE VANE FLEX
WITH 150 PSIG PLATE FLANGE OR GROOVE CONNECTIONS.
5.19 BALANCE VALVES: PRECISION MACHINED BALL TYPE SUITABLE FOR USE AS A PRESETTABLE
BALANCE VALVE, VARIABLE ORIFICE FLOW METER AND POSITIVE SHUT-OFF SERVICE VALVE WITH
MEMORY STOP, LIKE B&G CIRCUIT SETTER PLUS OR EQUAL BY NEXUS. PROVIDE ONE MATCHED
FLOW METER FOR EACH FLOW RANGE OF VALVES REQUIRED.
5.20 THERMOMETERS: 12" MERCURY -FREE LIQUID IN GLASS, ADJUSTABLE ANGLE DIRECT MOUNT, DIE
CAST ALUMINUM FLANGELESS CASE, WITH 3/4" NET BRASS SOCKET, INSERTION LENGTH SHALL BE
1/2 PIPE OR DUCT DIAMETER. USE 0 DEG. F. TO 120 DEG F. RANGE FOR CHILLED WATER PIPING,
30 DEG. F TO 240 DEG F. FOR HEATING WATER AND DUAL TEMPERATURE WATER PIPING. USE 0
DEG. F TO 120 DEG F. RANGE FOR DUCTS, PROVIDE DUCT FLANGE ADAPTER FOR MOUNTING. SOLAR
POWERED DIGITAL THERMOMETERS NTH 1/2" LCD DISPLAY AND 1% ACCURACY MAY ALSO BE
INSTALLED.
5.21 PRESSURE GAUGES: 3-1/2" DIAL, BLACK CAST FLANGELESS CASE, WHITE DIAL WITH BLACK
MARKINGS, RED TIPPED ADJUSTABLE POINTER, BRONZE BUSHED BRASS MOVEMENT, PHOSPHOR
BRONZE BOURDON TUBE, 1% ACCURACY CLASS "A", %" NPT LOWER CONNECTION, BRASS SOAKER,
0 100 PSI RANGE FOR CLOSED LOOP HYDRONIC SYSTEMS. INSTALL GAUGES WHERE SHOWN ON THE
DRAWINGS USING NEEDLE VALVES. PROVIDE SIPHONS FOR STEAM SERVICE.
5.22 DIELECTRIC NIPPLES: ELECTROPLATED STEEL NIPPLE WITH INERT AND NONCORROSIVE,
THERMOSPLASTIC LINING; PLAIN, THREADED, OR GROOVED ENDS; 300-PSIG MINIMUM WORKING
PRESSURE AT 2256f.
5.23 FLUSH HYDRONIC PIPING SYSTEMS WITH CLEAN WATER, FLUSH FREE OF DIRT, SCALE, OIL, WASTE,
ETC. REMOVE AND CLEAN OR REPLACE ALL STRAINER SCREENS. AFTER CLEANING AND FLUSHING
HYDRONIC PIPING SYSTEMS, BUT BEFORE BALANCING, REMOVE DISPOSABLE FINE -MESH STRAINERS IN
PUMP SUCTION DIFFUSERS.
5.24 CLEAN AND DISINFECT POTABLE DOMESTIC WATER PIPING IN ACCORDANCE WITH APPUCABLE CODES,
STANDARDS AND AUTHORITIES HAVING JURISDICTION.
5.25 THOROUGHLY CLEAN AND FLUSH SYSTEM PIPING USING MARATHON p659-H WATER TREATMENT
CHEMICAL DETERGENT.
6.0 REFRIGERANT PIPING AND SPECIALIZES
6.1 TYPE ACR COPPER: ASTM B280, HARD -DRAWN STRAIGHT LENGTHS AND SOFT -ANNEALED COILS,
SEAMLESS COPPER TUBING. WROUGHT COPPER FITTINGS AND SILVER SOLDERED JOINTS.
MECHANICAL FITTINGS (CRIMP OR FLAIR) ARE NOT PERMITTED.
6.2 REFRIGERANT PIPING SPECIALTIES:
6.3 BALL VALVES: 500 PSIG MAXIMUM PRESSURE, TEMP. RANGE -40 DEG F TO 300 DEG F, FORGED
BRASS BODY, BRASS BALL NTH EQUAUZING ORIFICE, TEFLON BALL SEALS, STEM STOP FOR BALL
PORT POSITION, SEALED BLOW OUT PROOF STEM.
6.4 GLOBE VALVES: 450 PSIG MAXIMUM PRESSURE, 275 DEG F MAX. TEMP., CAST BRONZE OR FORGED
BRASS, BOLTED BONNET, REPLACEABLE SEAT DISC, SOLDER -END CONNECTIONS.
6.5 CHECK VALVES: 450 PSIG MAXIMUM PRESSURE, 300 DEG F MAX. TEMP., CAST BRONZE BODY WITH
BOLTED BONNET, FLOATING PISTON PATH MECHANICALLY RETAINED TEFLON SEAT DISC.
6.6 STRAINERS: 500 PSIG MAXIMUM PRESSURE, FORGED BRASS BODY WITH MONEL 80-MESH SCREEN,
SCREWED CLEANOUT PLUG, SOLDER END CONNECTIONS.
6.7 MOISTURE/LIQUID INDICATORS: 500 PSIG MAXIMUM PRESSURE, 200 DEG F MAX. TEMP., FORGED
BRASS BODY, SOLDERED END CONNECTIONS, REPLACEABLE POLISHED OPTICAL VIEWING WINDOW.
6.8 FILTER -DRIERS: 500 PSIG MAXIMUM PRESSURE, STEEL SHELL, FLANGE RING, DUCTILE IRON COVER
PLATE, 'WROUGHT COPPER FITTINGS FOR SOLDER END CONNECTIONS, REPLACEABLE FILTER -DRIER
CORE KIT.
6.9 FLEXIBLE CONNECTORS: 500 PSIG MAXIMUM PRESSURE, SEAMLESS TIN BRONZE OR STAINLESS STEEL
CORE, HIGH TENSILE BRONZE BRAIDS, SOLDER CONNECTIONS, DEHYDRATED, MIN. 7 INCH LENGTH.
7.0 FUEL GAS PIPING
7.1 ALL WORK SHALL CONFORM TO ANSI Z223.1, "NATIONAL FUEL GAS CODE".
7.2 PIPING MATERIAL SHALL BE ASTM A53, TYPE E OR S, GRADE B, SCHEDULE 40, BLACK STEEL.
7.3 ALL VALVES SHALL BE SUITABLE FOR FUEL GAS SERVICE.
7.4 INSTALL DIELECTRIC FITTING DOWNSTREAM FROM AND ADJACENT TO EACH SERVICE METER UNLESS
METER IS SUPPORTED FROM SERVICE -METER BAR WITH INTEGRAL DIELECTRIC FITTING. INSTALL
SHUTOFF VALVE DOWNSTREAM FROM AND ADJACENT TO DIELECTRIC FITTING.
7.5 INSTALL CONCEALED GAS PIPING IN AIRTIGHT CONDUIT CONSTRUCTED OF SCHEDULE 40, SEAMLESS
BLACK STEEL PIPE 'NTH WELDED JOINTS. VENT CONDUIT TO OUTSIDE AND TERMINATE WITH
SCREENED VENT CAP. DO NOT INSTALL CONCEALED PIPING IN SOLID PARTITIONS. PROTECT TUBING
FROM PHYSICAL DAMAGE WHEN INSTALLED INSIDE PARTITIONS OR HOLLOW WALLS. PIPING SHALL NOT
BE RUN IN CONCEALED LOCATIONS UNLESS METHODS AND LOCATIONS ARE PRE -APPROVED BY PSI.
7.6 INSTALL FUEL GAS PIPING AT UNIFORM GRADE OF 0.1 PERCENT SLOPE UPWARD TOWARD RISERS.
USE ECCENTRIC REDUCER FITTINGS TO MAKE REDUCTIONS IN PIPE SIZES. INSTALL FITTINGS WITH
LEVEL SIDE DOWN. CONNECT BRANCH PIPING FROM TOP OR SIDE OF HORIZONTAL PIPING.
7.7 INSTALL DRIPS AT POINTS WHERE CONDENSATE MAY COLLECT. INCLUDE OUTLETS OF SERVICE
METERS. LOCATE WHERE READILY ACCESSIBLE FOR CLEANING AND EMPTYING. DO NO INSTALL
WHERE CONDENSATE WOULD BE SUBJECT TO FREEZING.
7.8 INSTALL UNIONS IN PIPES 2" AND SMALLER, ADJACENT TO EACH VALVE, AT FINAL CONNECTION TO
EACH PIECE OF EQUIPMENT, AND ELSEWHERE AS INDICATED. UNIONS ARE NOT REQUIRED ON
FLANGED DEVICES.
7.9 INSTALL STRAINER ON INLET OF EACH LINE PRESSURE REGULATOR AND AUTOMATIC AND
ELECTRICALLY OPERATED VALVE. INSTALL PRESSURE GAGE UPSTREAM AND DOWNSTREAM FROM
EACH LINE PRESSURE REGULATOR.
7.10 INSTALL VENT PIPING FOR GAS PRESSURE REGULATORS AND GAS TRAINS, EXTEND OUTSIDE BUILDING,
AND VENT TO ATMOSPHERE. TERMINATE VENTS WITH TURNED -DOWN, REDUCING -ELBOW FITTINGS
WITH CORROSION -RESISTANT INSECT SCREENS IN LARGE END.
7.11 CONNECT PIPING TO APPLIANCES WITH SHUTOFF VALVES AND UNIONS, INSTALL VALVE UPSTREAM
FROM AND WITHIN 72 INCHES OF EACH APPLIANCE. INSTALL UNION DOWNSTREAM FROM VALVE.
INSTALL SEDIMENT TRAP WITH TEE FITTING AND CAPPED NIPPLE IN BOTTOM AS CLOSE AS PRACTICAL
TO INLET OF EACH APPLIANCE.
7.12 PAINT EXTERIOR PIPE, SERVICE METERS, PRESSURE REGULATORS, AND SPECIALTY VALVES GRAY.
PAINT INTERIOR PIPE, PRESSURE REGULATORS AND SPECIALTY VALVES YELLOW.
7.13 INSPECT, TEST, AND PURGE PIPING ACCORDING TO ANSI Z223.1 AND THE REQUIREMENTS OF THE
AUTHORITIES HAVING JURISDICTION.
8.0 TESTING AND BALANCING:
8.1 PERFORM TOTAL SYSTEM BALANCE IN ACCORDANCE WITH NEBB PROCEDURAL STANDARDS FOR
TESTING, BALANCING AND ADJUSTING OF ENVIRONMENTAL SYSTEMS.
8.2 ADJUST MOTORS, SHAFTS, PULLEYS TO PROPER ALIGNMENT AND TO RUN VIBRATION -FREE.
8.3 SUBMIT FIVE (5) COPIES OF COMPLETE TESTING AND BALANCING REPORT TO PSI FOR REVIEW AND
APPROVAL.
9.0 DUCTWORK & ACCESSORIES
9.1 CONSTRUCT RECTANGULAR DUCT OF FIRST QUALITY MATERIALS IN ACCORDANCE WITH SMACNA HVAC
DUCT CONSTRUCTION STANDARDS, NFPA 90A, NFPA 908, NFPA 96, ASHRAE AND ALL APPLICABLE
CODES. CROSS BREAK EXCEPT WHERE RIGID INSULATION IS SPECIFIED.
A. GALVANIZED MATERIALS SHALL BE LOCK FORMING QUALITY; COMPLYING 'NTH ASTM
A653/A653M AND HAVING A MINIMUM OF A G60 COATING DESIGNATION; DUCTS SHALL HAVE
MILL-PHOSPHATIZED FINISH WHERE EXPOSED IN FINISHED SPACES. PROVIDE "GALVANNEAL" OR
"PAINT -GRIP" IF DUCTWORK IS TO BE PAINTED.
B. STAINLESS STEEL MATERIAL SHALL BE 304, 16 GAUGE, CONTINUOUS WELDED CONSTRUCTION.
USE FOR KITCHEN DISHWASHER EXHAUST AND WHERE INDICATED ON PLANS. UTILIZE STAINLESS
STEEL SUPPORT MATERIALS.
C. ALUMINUM SHALL BE ASTM 8209, ALLOY 3003-1114, HEAVY GAUGE CONSTRUCTED WITH ALL
JOINTS SEALED WATERTIGHT. USE FOR LOCKER/SHOWER ROOM EXHAUST. UTILIZE ALUMINUM
SUPPORT MATERIALS.
D. SINGLE WALL ROUND AND FLAT OVAL SPIRAL DUCT: SPIRAL LOCKSEAM CONSTRUCTION WTH AN
INTERLOCKING HELICAL SEAM RUNNING LENGTH OF DUCT.
E. DOUBLE WALL ROUND AND FLAT OVAL SPIRAL DUCT: SPIRAL LOCKSEAM CONSTRUCTION WITH A
PERFORATED INNER LINER, A 1 INCH, OR AS SPECIFIED, LAYER OF FIBERGLASS INSULATION AND
AN OUTER PRESSURE SHELL.
F. SEALANT: NON -HARDENING, WATER RESISTANT, NON -TOXIC, NON-FLAMMABLE, FIRE RESISTIVE,
COMPATIBLE, NTH MATING MATERIALS; LIQUID USED ALONE OR WITH TAPE, OR HEAVY MASTIC.
G. SEAL ALL LOW PRESSURE DUCTWORK IN ACCORDANCE WITH SMACNA SEAL CLASS 'B'
(TRANSVERSE JOINTS & LONGITUDINAL SEAMS SEALED). SEAL ALL MEDIUM PRESSURE
DUCTWORK AND DUCTS INSTALLED OUTDOORS IN ACCORDANCE WITH SMACNA SEAL CLASS 'A'
(ALL TRANSVERSE JOINTS, LONGITUDINAL SEAMS AND DUCT PENETRATIONS SEALED).
9.2 FABRICATE AND SUPPORT IN ACCORDANCE WITH SMACNA - HVAC DUCT CONSTRUCTION STANDARDS
AND ASHRAE HANDBOOKS, EXCEPT WHERE INDICATED OTHERWISE. PROVIDE DUCT MATERIAL, GAGES,
REINFORCING AND SEALING FOR OPERATING PRESSURES INDICATED. REFER TO TABLE ENIITLED "DUCT
SEALING REQUIREMENTS" IN SMACNA HVAC DUCT CONSTRUCTION STANDARDS.
9.3 STATIC PRESSURE CLASSIFICATIONS: UNLESS OTHERWISE INDICATED, CONSTRUCT DUCTS TO THE
FOLLOWING:
A. SUPPLY DUCTWORK UPSTREAM OF ALL VAV BOXES: 6 INCH W.G.
B. SUPPLY DUCTWORK DOWNSTREAM OF ALL VAV BOXES AND SINGLE ZONE AIR HANDLING UNITS:
31NCH W.G.
C. RETURN DUCTS: 2 INCH W.G., NEGATIVE PRESSURE.
D. EXHAUST DUCTS: 2 INCH W.G., NEGATIVE PRESSURE.
9.4 FITTINGS: INSTALL FABRICATED FITTINGS FOR CHANGES IN DIRECTION, CHANGES IN SIZE AND SHAPE,
AND CONNECTIONS.
A. ELBOWS (DUCT VELOCITY 1500 FPM OR LESS): RADIUS ELBOW WITH CENTERLINE RADIUS OF
MINIMUM 1.0 TIMES WIDTH OF DUCT OR MITERED ELBOW WITH TURNING VANES.
B. ELBOWS (DUCT VELOCITY GREATER THAN 1500 FPM): RADIUS ELBOW WITH CENTERLINE RADIUS
OF MINIMUM 1.5 TIMES WIDTH OF DUCT. MITERED ELBOWS ARE NOT PERMITTED.
C. CONVERGING TRANSITIONS: SIDE OF DUCT SHALL NOT EXCEED 30 DEGREE ANGLE TO
PROJECTED SAME SIDE.
D. DIVERGING TRANSITIONS: SIDE OF DUCT SHALL NOT EXCEED 20 DEGREE ANGLE TO PROJECTED
SAME SIDE.
E. BRANCH TAKE -OFFS (VAV DUCT SYSTEMS UPSTREAM OF VAV BOXES AND DUCTS WITH
VELOCITIES GREATER THAN 1500 FPM): 45 DEGREE CONICAL WYE OR 90 DEGREE CONICAL TEE.
F. BRANCH TAKE -OFFS (VAV DUCT SYSTEMS DOWNSTREAM OF VAV BOXES AND DUCTS WITH
VELOCITIES 1500 FPM OR LESS): 45 DEGREE TAPERED TAP.
9.5 BRACE ALL DUCTWORK AS REQUIRED TO PREVENT NOISE OR VIBRATION UNDER ALL OPERATING
CONDITIONS.
9.6 SLOPE HORIZONTAL DISHWASHER EXHAUST DUCT TOWARDS DISHWASHER A MINIMUM OF 1/8 INCH
PER FOOT. WELD ALL JOINTS LIQUID TIGHT.
9.7 RECTANGULAR SHEET METAL DUCTWORK: ALL LONGITUDINAL JOINTS SHALL BE "PITTSBURGH" TYPE.
9.8 DUCT SIZES: THE SIZE SHOWN ON DRAWINGS IS THE FREE AREA DIMENSION, AND SHALL BE
INCREASED TO ACCOMMODATE ACOUSTICAL LINER WHERE REQUIRED.
9.9 FLEX. CONNECTIONS (FC): AT EA. INLET & OUTLET DUCT CONNECTION OF FAN EQUIPMENT. FABRIC
FASTENED TO METAL W/DOUBLE LOCK SEAM. FABRIC FOR ORDINARY HVAC USES TO BE
WATERPROOF, FIRE RETARDANT & SUITABLE FOR TEMPS. OF 200 DEG. F. MANUFACTURERS:
DURO-DYNE; VENTFABRICS OR APPROVED EQUAL.
9.10 FLEXIBLE DUCT: SPIRAL -WOUND SPRING STEEL WITH FLAMEPROOF VINYL SHEATHING, OR CORRUGATED
ALUMINUM, COMPLYING WITH NFPA 90A AND UL 181. INSTALL 1" THICK CONTINUOUS FLEXIBLE
FIBERGLASS SHEATH WITH VINYL OR ALUMINUM VAPOR BARRIER JACKET. CLAMPS SHALL BE
STAINLESS STEEL WTH HEX SCREW NTH WORM GEAR OR HEAVY NYLON ADJUSTABLE SELF-LOCKING
CLAMPS. INSULATION ENDS SHALL BE SEALED WITH VAPOR BARRIER DUCT TAPE. FLAME SPREAD
RATING NOT GREATER THAN 25 AND SMOKE DEVELOPED RATING NO HIGHER THAN 50.
A. WORKING PRESSURE: 10 INCH W.G. POSITIVE, 1 INCH W.G. NEGATIVE. RATED VELOCITY AT 4000
FPM.
B. 8 FEET MAXIMUM LENGTH.
9.11 FIRE DAMPERS: DAMPERS SHALL BE RATED FOR PRESSURE LEVEL OF SYSTEM BEING INSTALLED, UL
555 LABELED, 1-1/2 HOUR RATED UNLESS INDICATED OTHERWISE, MIN. 21 GAUGE GALVANIZED
STEEL FRAME WITH MOUNTING SLEEVE, ROLL FORMED INTERLOCKING BLADES, 165 DEG. F
REPLACEABLE FUSIBLE LINK.
9.12 AIR DIFFUSERS, REGISTERS AND GRILLES: PROVIDE DEVISES THAT PROVIDE THE THROW, PRES. DROP,
AND NOISE CRITERIA RATINGS EQUAL TO OR GREATER THAN THAT INDICATED ON THE DRAWINGS.
BORDER STYLES SHALL BE COMPATIBLE NTH ADJACENT CEILING TYPE. FINISH SHALL BE BAKED
ENAMEL WHITE UNLESS INDICATED OTHERWISE.
9.13 BALANCING DAMPERS (BD): FURNISH & INSTALL WHERE SHOWN ON DRAWINGS. CONSTRUCTION TO
BE GALV. STEEL, GAUGES HEAVIER THAN DUCT. SHAFT SHALL BE STEEL W/BRASS BEARINGS.
BLADES SHALL BE STEEL, SHALL NOT EXCEED 12" WIDE & 48" LONG. FRAMES OF SAME GA. METAL
ARE REDID WHERE TWO BLADES OR MORE ARE USED. CHECK THAT DAMPERS ARE FREE AND
OPERABLE AFTER INSTALLATION.
9.14 ACCESS DOORS: UL LISTED, 20 GAUGE GALVANIZED STEEL DOOR AND FRAME, 1" THICK INSULATION,
1/2" WIDE GASKET, CAM LOCK LATCH FOR SIZES LESS THAN 12", CONTINUOUS ALUMINUM HINGE FOR
SIZES 12" AND LARGER. DOORS DOWNSTREAM OF FIRE OR SMOKE DAMPERS SHALL BE NEGATIVE
PRESSURE RELIEF TYPE FOR DUCTS OVER 2000 FPM. INSTALL ACCESS DOORS IN DUCTWORK AT
EACH INACCESSIBLE MOTORIZED DAMPER LOCATION, NEXT TO FIRE DAMPERS, SMOKE DAMPERS,
FIRE/SMOKE DAMPERS, MOTORIZED CONTROL DAMPERS, DUCT MOUNTED COILS, HUMIDIFIERS.
9.15 DAMPER OPERATORS: BALANCING DAMPERS TO HAVE LOCK -TYPE DAMPER OPERATOR & LINKAGE
AS BEST SUITS CONSTRUCTION AND ACCESS CONDITIONS. DAMPERS W/ACCESSIBLE OPERATORS TO
BE PROVIDED W/LOCKING DAMPER QUADRANTS COMPLETE W/LOCKING NUTS & GRADUATED SCALE.
DAMPERS W/NON-ACCESSIBLE OPERATORS PROVIDED W/YOUNG SERIES 300 CONCEALED REGULATOR
& COVERPLATE COMPLETE W/WORM GEAR OR LINKAGE AS REQUIRED FOR SMOOTH DAMPER
OPERATION. DAMPERS IN UNDER SLAB DUCTS PROVIDED W/YOUNG SERIES 335 ADJUSTABLE COVER
REGULATORS. CHECK THAT DAMPERS ARE FREE AND OPERABLE AFTER INSTALLATION.
9.16 TURNING VANES - DOUBLE WALL VANE CONSTRUCTION - SHALL BE CONSTRUCTED & SPACED AS
CALLED FOR IN HVAC DUCT CONSTR. STANDARDS.
9.17 DUCT LINER: FLEXIBLE OR RIGID GLASS FIBER DUCT LINER SHALL BE COMPOSED OF LONG, FLAME
ATTENUATED GLASS FIBER BONDED WITH 1HERMOSETNG RESIN AND SHALL COMPLY WITH NFPA 90A
AND 908, ASTMC553 AND UL723. DUCT LINER SHALL NOT SUPPORT MICROBIAL GROWTH AND SHALL
MEET THE FUNGUS AND BACTERIAL TESTING RESISTANCE PER UL181, ASTM G21, ASTM G22 AND
ASTM C1071.
A. MINIMUM 1 INCH THICKNESS, THERMAL CONDUCTIVITY 0.26 AT 75- F MEAN TEMPERATURE,
MINIMUM DENSITY 1.5 LB/CU.FT., OPERATING VELOCITY UP TO 5000 FPM.
B. AIR STREAM SURFACE SHALL BE COVERED WITH A BLACK FIBERGLASS MAT.
C. INSULATION ADHESIVE SHALL BE IN ACCORDANCE WITH NFPA 90A, NFPA 90% AND ASTM C916.
D. DUCT LINER SHALL BE INSTALLED IN ACCORDANCE WITH SMACNA - HVAC DUCT CONSTRUCTION
STANDARDS.
E. FIRE -HAZARD CLASSIFICATION: MAXIMUM FLAME -SPREAD INDEX OF 25 AND SMOKE DEVELOPED
INDEX OF 50 WHEN TESTED ACCORDING TO ASTM E84.
9.18 INSTALL DUCTS WITH FEWEST POSSIBLE JOINTS. INSTALL FABRICATED FITTINGS FOR CHANGES IN
DIRECTION, SIZE AND SHAPE AND FOR CONNECTIONS. INSTALL DUCTS PARALLEL AND
PERPENDICULAR TO BUILDING LINES; AVOID DIAGONAL RUNS. INSTALL DUCTS WITH A CLEARANCE OF
1 INCH, PLUS ALLOWANCE FOR INSULATION. COORDINATE LAYOUT NTH CEILINGS, FIRE AND SMOKE
DAMPERS LIGHTS SPRINKLERS ETC. SEAL ALL JOINTS AND SEAMS. DO NOT ROUTE DUCTS OVER
ELECTRICAL PANELS.
9.19 CLEAN AND REMOVE SURFACE CONTAMINANTS AND DEPOSITS FROM DUCTS, DIFFUSERS, GRILLES,
FANS, INTERNAL SURFACES OF AIR HANDLING UNITS, AND COILS COMPLETE PRIOR TO BALANCING.
PROPRIETARY AND CONFIDENTIAL
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NO. Description & Dace
NO. Description & Dace
NO. Description & Dace
JOB NO.: IDB-119-2607
DATE: 1-I8-19
DRAWN BY: TFr
CHECKED BY: KLB
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M-002
MECHANICAL
SPECIFICATIONS
DATE: 04/12/19