12-1300-004I
I
2.02 MATERIALS
A. NIBCO FIGURE NUMBERS ARE INDICATED BELOW UNLESS NOTED OTHERWISE:
B. GATE VALVES:
I. PACKING - SELECT VALVES, EQUIPPED WITH PACKING SUITABLE FOR INTENDED SERVICE.
(UNDER NO CIRCUMSTANCES IS ASBESTOS ACCEPTABLE.) SELECT VALVES DESIGNED SO
BACK SEATING PROTECTS PACKING AND STEM THREADS FROM MEDIA WHEN VALVE IS
FULLY OPENED, AND EQUIPPED WITH GLAND FOLLOWER.
2. STEAM, LESS THAN 125 *:
a. 2 -I /2' AND LESS, NIBCO T -134, BRONZE BODY, CLASS 150.
b. 3' AND UP, NIBCO F617 -0, IRON BODY. BRONZE MOUNTED, CLASS 125.
C. GLOBE VALVES:
1. PACKING - SELECT VALVES EQUIPPED WITH PACKING SUITABLE FOR INTENDED SERVICE.
(UNDER NO CIRCUMSTANCES IS ASBESTOS ACCEPTABLE.) SELECT VALVES DESIGNED SO
BACK SEATING PROTECTS PACKING AND STEM THREADS FROM MEDIA WHEN VALVE IS
FULLY OPENED, AND EQUIPPED WITH GLAND FOLLOWER.
2. COMPOSITION DISCS - WHERE REQUIRED, PROVIDE SUITABLE MATERIAL FOR INTENDED
SERVICE.
3. STEAM:
a. 2' AND LESS, NIBCO T -235, BRONZE BODY, THREADED ENDS. CLASS 150.
b. 2 -1/2' AND UP, NIBCO F718 -B, IRON BODY, OS &Y, FLANGED ENDS, CLASS 125.
D. CHECK VALVES:
1. STEAM: 2' AND LESS, NIBCO T -433, SWING CHECK, BRONZE DISC, SCREW -IN CAP,
THREADED ENDS, CLASS 150.
a. 2 -1/2' AND UP, NIBCO F -918, SWING CHECK, BRONZE DISC AND SEAT RING, BOLTED
COVER, CLASS 125.
E. VALVE CONNECTIONS: TWO INCHES AND SMALLER - THREADED; 2 -1/2 INCHES AND
LARGER - FLANGED.
PART 3 - EXECUTION
3.01 INSTALLATION
A. FURNISH AND INSTALL VALVES IN EACH PIPING CONNECTION AT EACH PIECE OF
EQUIPMENT TO ALLOW EQUIPMENT TO BE ISOLATED FROM PIPING SYSTEMS.
B. FURNISH AND INSTALL VALVES IN PIPING TO ISOLATE EACH BRANCH OR RISER FROM
THE MAIN.
C. LOCATE VALVES SO AS TO BE ACCESSIBLE BY MAINTENANCE PERSONNEL.
SECTION 15250
MECHANICAL SYSTEMS INSULATION
PART 1 - GENERAL
1.01 CERTIFICATION /QUALITY ASSURANCE
A. INSULATION, ADHESIVES, COATINGS, SEALERS, TAPES, SHALL HAVE A FLAME SPREAD
RATING OF 25 OR LESS AND SMOKE DEVELOPMENT OF 50 OR LESS IN ACCORDANCE
WITH ASTM E -84 AND UL 723
B. MATERIALS SHALL MEET THE REQUIREMENTS OF NFPA 90 -A.
1.02 SUBMITTALS
A. SUBMIT MANUFACTURER'S PRODUCT DATA AND INSTALLATION PROCEDURES FOR REVIEW.
PART 2 - PRODUCTS
2.01 PIPE AND EQUIPMENT INSULATION
A. MATERIALS FOR PIPE AND EQUIPMENT: PROVIDE FACTORY PREMOLDED OR SHOP OR
SITE MITERED SEGMENT TYPE INSULATION FOR PIPE, PIPE FITTINGS, AND VALVES.
B. FITTING INSULATION: SAME THICKNESS AND MATERIAL AS ADJOINING PIPE INSULATION.
C. FIBERGLASS PIPE INSULATION:
I. ACCEPTABLE MANUFACTURERS:KNAUF EARTHWOOL REDI -KLAD, FIBERGLASS MADE OF
RENEWABLE BIO -BASED MATERIALS OR AN APPROVED EQUIVALENT. KNAUF JACKET:
ZERO PERM ASJ /SSL FIBERGLASS REINFORCED WITH ALUMINUMIZED CLAD, ABUSE
RESISTANT AND MINIMUM R VALUE OF 3.6.
2. USE ON THE FOLLOWING SERVICES:
a. VENT PIPING FROM RELIEF VALVES - 1 -1/2' THICK.
b. STEAM CONDENSATE PIPING, 2' AND UNDER - 1 -1/2' THICK: 2 -1/2' AND GREATER -
2' THICK.
a. STEAM PIPING, 2' AND UNDER - 2 -1/2' THICK; 2 -1/2' TO 4' - 3' THICK.
D. CALCIUM SILICATE:
I. NONCOMBUSTIBLE HYDROUS CALCIUM SILICATE, 15 PCF DENSITY. MINIMUM THERMAL
CONDUCTIVITY OF 0.55 AT 800 DEGREES F.
2. ACCEPTABLE MANUFACTURERS: JOHNS- MANVILLE 'THERMO -12 GOLD'.
3. COVERING: PREFORMED ALUMINUM JACKET.
4. USE ON THE FOLLOWING SERVICES:
a. STEAM AND STEAM CONDENSATE PIPE FITTINGS. SAME THICKNESS AS FIBERGLASS
PIPE INSULATION.
b. CONDENSATE /RECEIVER TANK.
2.02 MATERIALS FOR FITTINGS, VALVES, AND SPECIAL COVERINGS
A. FOR ALL SERVICES, USE PREMOLDED CALCIUM SILICATE INSULATION FOR PIPE FITTINGS,
ELBOWS. TEES, VALVES, AND COUPLINGS. FINISH SHALL BE PRE - FORMED ALUMINUM JACKET:
I. STEAM PIPING
2. STEAM CONDENSATE.
3. PUMPED STEAM CONDENSATE
4. CONDENSATE RECEIVER TANK.
PART 3 - EXECUTION
3.01 INSTALLATION - GENERAL
A. DELIVER AND STORE INSULATION MATERIALS IN MANUFACTURERS CONTAINERS AND KEPT
FREE FROM DIRT, WATER, CHEMICAL AND MECHANICAL DAMAGE.
B. COMPLETE PIPING PRESSURE TESTING PRIOR TO APPLYING INSULATION.
C. APPLY INSULATION IN WORKMANLIKE MANNER BY EXPERIENCED, QUALIFIED, WORKMEN.
D. SURFACES SHALL BE CLEAN AND DRY WHEN COVERING IS APPLIED. COVERING TO BE
DRY WHEN INSTALLED AND BEFORE AND DURING APPLICATION OF ANY FINISH, UNLESS
SUCH FINISH REQUIRES SPECIFICALLY A WETTED SURFACE FOR APPLICATION.
E. ADHESIVES AND MASTICS SHALL BE COMPATIBLE WITH MATERIALS APPLIED AND SHALL
NOT ATTACK MATERIALS IN EITHER WET OR DRY STATE.
3.02 INSTALLATION OF PIPE AND EQUIPMENT COVERING
A. WHERE GLASS FIBER INSULATION IS USED ON PIPING SIZED 2' AND LARGER, INSERT A
SECTION OF CALCIUM SILICATE INSULATION, AT HANGER OR SUPPORT POINTS, BETWEEN
PIPE AND METAL SHIELD FOR FULL LENGTH OF SHIELD, TO PREVENT CRUSHING OF
INSULATION. WHERE INSULATION PASSES THROUGH PIPE HANGERS 12' LONG METAL SADDLES
SHALL BE USED. INSULATION THICKNESS TO BE SAME AS ADJOINING GLASS FIBER INSULATION.
SECTION 15525
STEAM AND CONDENSATE SPECIALTIES
PART I - GENERAL
1.01 INCLUDED WORK
A. THIS SECTION INCLUDES REQUIREMENTS FOR:
I. STRAINERS.
2. THERMODYNAMIC STEAM TRAPS.
3. FLOAT AND THERMOSTATIC STEAM TRAPS.
4. PRESSURE REGULATING VALVES.
5. PRESSURE GAUGES.
1.02 RELATED WORK
A. SECTION 15060: PIPING AND FITTINGS.
B. SECTION 15250: MECHANICAL INSULATION
1.03 SUBMITTALS
A. SUBMIT MANUFACTURER'S PRODUCT DATA FOR REVIEW.
PART 2 - PRODUCTS
2.01 STRAINERS
A. ACCEPTABLE MANUFACTURERS: HOFFMAN, MUELLER STEAM SPECIALTY. SARCO.
B. PROVIDE CLEANABLE 'Y' TYPE STRAINERS IN STEAM MAINS AHEAD OF TRAPS AND
CONTROL VALVES AND WHERE SHOWN ON PLANS. PROVIDE LINE SIZE STRAINERS WITH
SLOWDOWN VALVES. MACHINE SCREEN CHAMBER AT BOTH ENDS TO PROVIDE ROUND,
SMOOTH SEATING SURFACE FOR SCREEN.
C. STRAINERS 2 INCHES AND SMALLER: IRON BODY, SCREWED ENDS. 250 PSI STEAM
WORKING PRESSURE (450 DEGREES F MAXIMUM). FURNISH STRAINERS WITH 30 MESH
TYPE 304 STAINLESS STEEL OR MONEL SCREENS.
D. STRAINERS 2 -1/2' TO 8 INCHES: IRON BODY, WITH BOLTED CAST IRON RETAINER,
FLANGED ENDS, 250 PSI STEAM WORKING PRESSURE (450 DEGREES F MAXIMUM).
FURNISH STRAINERS WITH SCREEN MADE FROM HEAVY GAUGE BRASS SHEETS WITH
0.045 INCH PERFORATIONS PER SQUARE INCH.
E. STRAINERS 10 INCH AND 12 INCH: IRON BODY. WITH BOLTED CAST IRON RETAINER,
250 PSI STEAM WORKING PRESSURE (450 DEGREES F MAXIMUM). FURNISH STRAINERS
WITH STAINLESS STEEL SCREEN WITH 1/8 -INCH PERFORATIONS.
2.02 STEAM TRAPS
A. ACCEPTABLE MANUFACTURERS: ARMSTRONG, SARCO, HOFFMAN.
B. THERMODYNAMIC STEAM TRAPS (OVER 30 PSIG STEAM PRESSURE)
I. STEAM TRAP SHALL BE STAINLESS STEEL THERMODYNAMIC TYPE, INTEGRAL SEAT DESIGN
WITH HARDENED DISC AND SEATING SURFACES AND OXIDATION RESISTANT (ENP) FINISH.
TRAP SHALL CONTAIN INLET Y STRAINER AND SHALL BE PROVIDED WITH INTEGRAL BLOWDOWN
VALVE AND INSULATING COVER.
2. PROVIDE THERMOSTATIC TRAPS TO DRAIN CONDENSATE WHERE INDICATED ON DRAWING
FOR SYSTEMS OPERATING OVER 30 PSIG.
C. FLOAT AND THERMOSTATIC TRAPS (UP TO 30 PSIG STEAM PRESSURE).
1. PROVIDE FULLY MODULATING TYPE TRAPS WITH ASTM -A278 CLASS 30 CAST IRON BODY
SUITABLE FOR CONTINUOUS OPERATION.
2. PROVIDE STAINLESS STEEL FLOAT AND MECHANISM WITH HEAT TREATED CHROME STEEL
VALVE.
3. PROVIDE THERMOSTATIC AIR VENT OF BALANCED- PRESSURE, PHOSPHOR BRONZE DISC
DIAPHRAGM TYPE WITH STAINLESS STEEL VALVE AND SEAT.
4. PROVIDE F &T TRAPS TO DRAIN CONDENSATE WHERE INDICATED ON DRAWINGS FOR
SYSTEMS OPERATING UP TO 30 PSIG.
2.03 PRESSURE REGULATING VALVES
A. STAINLESS STEEL DIRECT OPERATED REGULATOR. PRESSURE REDUCING VALVE SHALL BE
DIRECT OPERATING TYPE WITH ALL 316L WETTED PARTS. PRESSURE REDUCTION SHALL
BE BY HAND WITH A TAMPER PROOF DEVICE TO PREVENT ADJUSTMENT AFTER SETTING.
B. SARCO STAINLESS STEEL DIRECT OPERATING PRESSURE REGULATOR MODEL SRV2 OR
EQUIVALENT.
2.04 PRESSURE GAUGES
A. TRERICE P500, 4 -1/2' FACE. ASME B40.1 GRADE A ACCURACY, 1% FULL SCALE.
STAINLESS STEEL BOURDON TUBE FOR HIGH OPERATING TEMPERATURES. SELECT
STEAM SYSTEM GAUGES FOR OPERATING PRESSURE TO BE IN MIDPOINT OF RANGE.
PROVIDE COIL SYPHON WITH ALL STEAM GAUGES.
B. PROVIDE GAUGES WITH CAST ALUMINUM CASES, PHOSPHOR BRONZE BOURDON TUBES,
MONEL ROTARY MOVEMENTS AND NYLON GEARS, SILVER SOLDERED JOINTS, WHITE DIAL
FACES, WITH BLACK LETTERS AND BLACK MICROMETER TYPE PRINTER, FORGED BRASS
SOCKETS AND ACCURATE TO WITHIN 2% OF SCALE RANGE.
C. FURNISH 1/4' NEEDLE VALVE WITH EACH GAUGE SIMILAR TO EQUAL TO TRERICE NO.
735 -4.
D. FURNISH IRON COIL SYPHONS ON PRESSURE GAUGES USED ON STEAM SERVICE TO
FORM POCKET OF WATER BETWEEN GAUGE AND STEAM. PROVIDE A 1/4' MALE PIPE
THREAD ON EACH END OF SYPHON. SYPHONS SIMILAR TO TRERICE NO. 885 -I.
PART 3 - EXECUTION
3.01 INSTALLATION
A. INSTALL ITEMS IN ACCORDANCE WITH MANUFACTURER'S PUBLISHED INSTRUCTIONS.
3.02 STEAM TRAPS
A. INSTALL WITH UNION OR FLANGED CONNECTION ON BOTH ENDS OF TRAP.
B. PROVIDE GATE VALVE AND STRAINER AT INLET SIDE OF EACH STEAM TRAP.
C. PROVIDE CHECK VALVE AND GATE VALVE AT DISCHARGE OF EACH STEAM TRAP.
D. PROVIDE A MINIMUM 6' LONG DIRT LEG OF SAME PIPE SIZE AT APPARATUS RETURN
CONNECTION.
E. DO NOT INSTALL THERMOSTATIC ELEMENTS IN TRAPS UNTIL SYSTEM HAS BEEN OPERATED
AND DIRT POCKETS CLEANED OF SEDIMENT AND SCALE. PROVIDE TEMPORARY COVERS
FOR USE PRIOR TO FINAL INSTALLATION OF ELEMENTS.
3.03 RELIEF VALVES
A. ROUTE AND TERMINATE VENT LINES FROM RELIEF VALVES TO THE OUTDOORS.
B. PROVIDE DRIP -PAN ELBOW AT EACH VALVE WITH DRAIN CONNECTION ROUTED TO THE
NEAREST FLOOR DRAIN.
C. WHERE SEVERAL RELIEF VALVE VENTS CONNECT TO A SINGLE VENT HEADER, VENT
HEADER CROSS SECTION AREA TO BE EQUAL TO THE SUM OF INDIVIDUAL VENT OUTLET
AREAS.
SECTION 15583
CONDENSATE UNIT
PART I - GENERAL
1.01 WORK INCLUDED
A. PROVIDE CONDENSATE UNIT IN LOCATIONS AS SHOWN ON DRAWINGS. TYPE AND SIZE
OF UNIT IS SET FORTH ON MECHANICAL AND PLUMBING PLANS ON EQUIPMENT SCHEDULES.
1.02 RELATED WORK
A. SECTION 15060: PIPE & FITTINGS
B. SECTION 15250: MECHANICAL SYSTEMS INSULATION
1.03 SUBMITTALS
A. SUBMIT MANUFACTURER'S PRODUCT DATA FOR REVIEW.
PART 2 - PRODUCTS
2.01 ACCEPTABLE MANUFACTURERS
A. PROVIDE NEW VERTICAL DUPLEX SIMPLEX BELOW- THE - FLOOR, TANK MOUNTED TYPE, OR
ABOVE- THE -FLOOR TYPE AS NOTED ON DRAWINGS. ACCEPTABLE MANUFACTURERS
INCLUDE: SKIDMORE, HOFFMAN, AURORA.
2.02 EQUIPMENT
A. PROVIDE THE FOLLOWING ITEMS AS A FACTORY WIRED, FACTORY PIPED PACKAGE.
I. CAST IRON RECEIVER.
a. PROVIDE MANHOLE AND GASKETED AIR TIGHT COVER IN RECEIVERS.
2. CENTRIFUGAL PUMP(S).
a. PROVIDE BRONZE FITTED PUMPS WITH STAINLESS STEEL SHAFTS.
b. TEFC MOTOR FOR HUMID CONDITIONS.
3. MECHANICAL OR AUTOMATIC PUMP ALTERNATOR IN NEMA 4 ENCLOSURE WITH PROVISIONS
TO BRING ON SECOND PUMP IF FIRST PUMP CANNOT HANDLE LOAD AND WATER LEVEL
IN RECEIVER RISES TOO HIGH.
4. FLOAT TYPE LEVEL CONTROLLER.
5. LINE SIZE STRAINER UPSTREAM OF PUMP.
6. REMOTE MOUNT CONTROL PANEL WITH STARTERS, HOA SWITCHES, PILOT LIGHTS,
HIGH /LOW CONDENSATE ALARM WITH BAS INTERFACE, MOUNT IN NEMA I ENCLOSURE,
SKIDMORE 700 SERIES OR EQUIPVALENT.
PART 3 - EXECUTION
3.01 INSTALLATION
A. INSTALL TANKS IN LOCATIONS AS SHOWN ON DRAWINGS.
B. CONNECT TO APPROPRIATE PIPING IN A WORKMANLIKE MANNER.
C. TEST PIPING CONNECTIONS FOR TIGHTNESS AND CORRECT CONNECTIONS. TEST MOTOR
AND PUMP FOR PHASE CONNECTION.
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