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<br />MASTER SPECIFICATIONS - ELECTRICAL SPECIFICATIONS (CONTINUED)
<br />SECTION 260548.16 - SEISMIC CONTROLS FOR ELECTRICAL SYSTEMS (CONTINUED)
<br />PART 2 - PRODUCTS
<br />2.1 PERFORMANCE REQUIREMENTS
<br />RETAIN "WIND-RESTRAINT LOADING" PARAGRAPH BELOW FOR OUTDOOR EQUIPMENT.
<br /> A. SEISMIC-RESTRAINT LOADING:
<br />1. SITE CLASS AS DEFINED IN THE IBC: D.
<br />2. ASSIGNED SEISMIC USE GROUP OR BUILDING CATEGORY AS DEFINED IN THE IBC: II.
<br />COMPONENT IMPORTANCE FACTOR: 1.0.
<br />COMPONENT RESPONSE MODIFICATION FACTOR: 3.0.
<br />COMPONENT AMPLIFICATION FACTOR: 1.0.
<br />3. DESIGN SPECTRAL RESPONSE ACCELERATION AT SHORT PERIODS (0.2 SECOND): 0.354.
<br />4. DESIGN SPECTRAL RESPONSE ACCELERATION AT 1.0-SECOND PERIOD: N/A.
<br />2.2 RESTRAINT CHANNEL BRACINGS
<br />A. DESCRIPTION: MFMA-4, SHOP- OR FIELD-FABRICATED BRACING ASSEMBLY MADE OF SLOTTED STEEL CHANNELS WITH ACCESSORIES FOR ATTACHMENT TO BRACED COMPONENT AT ONE END AND TO
<br />BUILDING STRUCTURE AT THE OTHER END, WITH OTHER MATCHING COMPONENTS, AND WITH CORROSION-RESISTANT COATING; RATED IN TENSION, COMPRESSION, AND TORSION FORCES.
<br />2.3 RESTRAINT CABLES
<br />A. RESTRAINT CABLES: ASTM A603 GALVANIZED-STEEL CABLES. END CONNECTIONS MADE OF STEEL ASSEMBLIES WITH THIMBLES, BRACKETS, SWIVEL, AND BOLTS DESIGNED FOR RESTRAINING CABLE
<br />SERVICE; WITH A MINIMUM OF TWO CLAMPING BOLTS FOR CABLE ENGAGEMENT.
<br />2.4 SEISMIC-RESTRAINT ACCESSORIES
<br />A. BUSHINGS FOR FLOOR-MOUNTED EQUIPMENT ANCHOR BOLTS: NEOPRENE BUSHINGS DESIGNED FOR RIGID EQUIPMENT MOUNTINGS AND MATCHED TO TYPE AND SIZE OF ANCHOR BOLTS AND STUDS.
<br />B. RESILIENT ISOLATION WASHERS AND BUSHINGS: ONE-PIECE, MOLDED, OIL- AND WATER-RESISTANT NEOPRENE, WITH A FLAT WASHER FACE.
<br />2.5 MECHANICAL ANCHOR BOLTS
<br />A. MECHANICAL ANCHOR BOLTS: DRILLED-IN AND STUD-WEDGE OR FEMALE-WEDGE TYPE IN ZINC-COATED STEEL FOR INTERIOR APPLICATIONS AND STAINLESS STEEL FOR EXTERIOR APPLICATIONS. SELECT
<br />ANCHOR BOLTS WITH STRENGTH REQUIRED FOR ANCHOR AND AS TESTED ACCORDING TO ASTM E488.
<br />PART 3 - EXECUTION
<br />3.1 APPLICATIONS
<br />A. MULTIPLE RACEWAYS OR CABLES: SECURE RACEWAYS AND CABLES TO SUPPORT MEMBER WITH CLAMPS APPROVED FOR APPLICATION BY AN AGENCY ACCEPTABLE TO AUTHORITIES HAVING
<br />JURISDICTION.
<br />B. STRENGTH OF SUPPORT AND SEISMIC-RESTRAINT ASSEMBLIES: WHERE NOT INDICATED, SELECT SIZES OF COMPONENTS SO STRENGTH WILL BE ADEQUATE TO CARRY PRESENT AND AT A LATER DATE
<br />STATIC AND SEISMIC LOADS WITHIN SPECIFIED LOADING LIMITS.
<br />3.2 SEISMIC-RESTRAINT DEVICE INSTALLATION
<br />A. COORDINATE THE LOCATION OF EMBEDDED CONNECTION HARDWARE WITH SUPPORTED EQUIPMENT ATTACHMENT AND MOUNTING POINTS AND WITH REQUIREMENTS FOR CONCRETE REINFORCEMENT
<br />AND FORMWORK SPECIFIED IN SECTION 033000 "CAST-IN-PLACE CONCRETE."
<br />B. EQUIPMENT RESTRAINTS:
<br />1. INSTALL RESILIENT, BOLT-ISOLATION WASHERS ON EQUIPMENT ANCHOR BOLTS WHERE CLEARANCE BETWEEN ANCHOR AND ADJACENT SURFACE EXCEEDS 0.125 INCH (3.2 MM).
<br />2. INSTALL SEISMIC-RESTRAINT DEVICES USING METHODS APPROVED BY AN AGENCY ACCEPTABLE TO AUTHORITIES HAVING JURISDICTION PROVIDING REQUIRED SUBMITTALS FOR COMPONENT.
<br />C. INSTALL CABLES SO THEY DO NOT BEND ACROSS EDGES OF ADJACENT EQUIPMENT OR BUILDING STRUCTURE.
<br />D. INSTALL BUSHING ASSEMBLIES FOR MOUNTING BOLTS FOR WALL-MOUNTED EQUIPMENT, ARRANGED TO PROVIDE RESILIENT MEDIA WHERE EQUIPMENT OR EQUIPMENT-MOUNTING CHANNELS ARE
<br />ATTACHED TO WALL.
<br />E. DRILLED-IN ANCHORS:
<br />1. IDENTIFY POSITION OF REINFORCING STEEL AND OTHER EMBEDDED ITEMS PRIOR TO DRILLING HOLES FOR ANCHORS. LOCATE AND AVOID PRESTRESSED TENDONS, ELECTRICAL AND
<br />TELECOMMUNICATIONS CONDUIT, AND GAS LINES.
<br />2. DO NOT DRILL HOLES IN CONCRETE OR MASONRY UNTIL CONCRETE, MORTAR, OR GROUT HAS ACHIEVED FULL DESIGN STRENGTH.
<br />3. WEDGE ANCHORS: PROTECT THREADS FROM DAMAGE DURING ANCHOR INSTALLATION. HEAVY-DUTY SLEEVE ANCHORS SHALL BE INSTALLED WITH SLEEVE FULLY ENGAGED IN THE
<br /> STRUCTURAL ELEMENT TO WHICH ANCHOR IS TO BE FASTENED.
<br />4. ADHESIVE ANCHORS: CLEAN HOLES TO REMOVE LOOSE MATERIAL AND DRILLING DUST PRIOR TO INSTALLATION OF ADHESIVE. PLACE ADHESIVE IN HOLES PROCEEDING FROM THE BOTTOM OF
<br />THE HOLE AND PROGRESSING TOWARD THE SURFACE IN SUCH A MANNER AS TO AVOID INTRODUCTION OF AIR POCKETS IN THE ADHESIVE.
<br />5. SET ANCHORS TO MANUFACTURER'S RECOMMENDED TORQUE USING A TORQUE WRENCH.
<br />6. INSTALL ZINC-COATED STEEL ANCHORS FOR INTERIOR AND STAINLESS-STEEL ANCHORS FOR EXTERIOR APPLICATIONS.
<br />3.3 ACCOMMODATION OF DIFFERENTIAL SEISMIC MOTION
<br />A. INSTALL FLEXIBLE CONNECTIONS IN RUNS OF RACEWAYS, CABLES, WIREWAYS, CABLE TRAYS, AND BUSWAYS WHERE THEY CROSS SEISMIC JOINTS, WHERE ADJACENT SECTIONS OR BRANCHES ARE
<br />SUPPORTED BY DIFFERENT STRUCTURAL ELEMENTS, AND WHERE CONNECTION IS TERMINATED TO EQUIPMENT THAT IS ANCHORED TO A DIFFERENT STRUCTURAL ELEMENT FROM THE ONE SUPPORTING
<br />THEM AS THEY APPROACH EQUIPMENT.
<br />3.4 FIELD QUALITY CONTROL
<br />PERFORM THE FOLLOWING TESTS AND INSPECTIONS:
<br />OBTAIN ENGINEER'S APPROVAL BEFORE TRANSMITTING TEST LOADS TO STRUCTURE. PROVIDE TEMPORARY LOAD-SPREADING MEMBERS.
<br />TEST AT LEAST FOUR OF EACH TYPE AND SIZE OF INSTALLED ANCHORS AND FASTENERS SELECTED BY ENGINEER.
<br />TEST TO 90 PERCENT OF RATED PROOF LOAD OF DEVICE.
<br />SEISMIC CONTROLS WILL BE CONSIDERED DEFECTIVE IF THEY DO NOT PASS TESTS AND INSPECTIONS.
<br />PREPARE TEST AND INSPECTION REPORTS.
<br />END OF SECTION 260538.16
<br />SECTION 260553 - IDENTIFICATION FOR ELECTRICAL SYSTEMS
<br />PART 1 - GENERAL
<br />1.1 SUMMARY
<br />A. SECTION INCLUDES:
<br />1. COLOR AND LEGEND REQUIREMENTS FOR RACEWAYS, CONDUCTORS, AND WARNING LABELS AND SIGNS.
<br />2. LABELS.
<br />3. TAPES AND STENCILS.
<br />4. TAGS.
<br />5. SIGNS.
<br />6. CABLE TIES.
<br />7. FASTENERS FOR LABELS AND SIGNS.
<br />1.2 SUBMITTALS
<br />PRODUCT DATA: FOR EACH TYPE OF PRODUCT.
<br />SAMPLES: FOR EACH TYPE OF LABEL AND SIGN TO ILLUSTRATE COMPOSITION, SIZE, COLORS, LETTERING STYLE, MOUNTING PROVISIONS, AND GRAPHIC FEATURES OF IDENTIFICATION
<br />PRODUCTS.
<br />PART 2 - PRODUCTS
<br />2.1 PERFORMANCE REQUIREMENTS
<br />A. COMPLY WITH ASME A13.1 AND IEEE C2.
<br />B. COMPLY WITH NFPA 70.
<br />C. COMPLY WITH 29 CFR 1910.144 AND 29 CFR 1910.145.
<br />D. COMPLY WITH ANSI Z535.4 FOR SAFETY SIGNS AND LABELS.
<br />E. COMPLY WITH NFPA 70E REQUIREMENTS FOR ARC-FLASH WARNING LABELS.
<br />F. ADHESIVE-ATTACHED LABELING MATERIALS, INCLUDING LABEL STOCKS, LAMINATING ADHESIVES, AND INKS USED BY LABEL PRINTERS, SHALL COMPLY WITH UL 969.
<br />G.THERMAL MOVEMENTS: ALLOW FOR THERMAL MOVEMENTS FROM AMBIENT AND SURFACE TEMPERATURE CHANGES.
<br />2.2 COLOR AND LEGEND REQUIREMENTS
<br />A. COLOR-CODING FOR PHASE- AND VOLTAGE-LEVEL IDENTIFICATION, 600 V OR LESS: USE COLORS LISTED BELOW FOR UNGROUNDED FEEDER AND BRANCH-CIRCUIT CONDUCTORS.
<br />1. COLOR SHALL BE FACTORY APPLIED OR FIELD APPLIED FOR SIZES LARGER THAN NO. 8 AWG IF AUTHORITIES HAVING JURISDICTION PERMIT.
<br />2. COLORS FOR 208/120-V CIRCUITS:
<br />PHASE A: BLACK.
<br />PHASE B: RED.
<br />PHASE C: BLUE.
<br />3. COLORS FOR 480/277-V CIRCUITS:
<br />PHASE A: BROWN.
<br />PHASE B: ORANGE.
<br />PHASE C: YELLOW.
<br />4. COLOR FOR NEUTRAL: WHITE.
<br />5. COLOR FOR EQUIPMENT GROUNDS: BARE COPPER OR GREEN.
<br />6. COLORS FOR ISOLATED GROUNDS: GREEN WITH A YELLOW STRIPE.
<br />B. COLOR-CODING FOR PHASE- AND VOLTAGE-LEVEL IDENTIFICATION, 15-35 KV: USE COLORS LISTED BELOW FOR UNGROUNDED FEEDER CONDUCTORS.
<br />1. COLORS SHALL BE FIELD APPLIED.
<br />PHASE A: BLACK.
<br />PHASE B: RED.
<br />PHASE C: BLUE.
<br />2. COLOR FOR NEUTRAL: WHITE.
<br />3. COLOR FOR EQUIPMENT GROUNDS: BARE COPPER OR GREEN.
<br />C. WARNING LABELS AND SIGNS SHALL INCLUDE, BUT ARE NOT LIMITED TO, THE FOLLOWING LEGENDS:
<br />1. MULTIPLE POWER SOURCE WARNING: "DANGER - ELECTRICAL SHOCK HAZARD - EQUIPMENT HAS MULTIPLE POWER SOURCES."
<br />2 WORKSPACE CLEARANCE WARNING: "WARNING - OSHA REGULATION - AREA IN FRONT OF ELECTRICAL EQUIPMENT MUST BE KEPT CLEAR FOR 36 INCHES (915 MM)."
<br />D. EQUIPMENT IDENTIFICATION LABELS:
<br />1.BLACK LETTERS ON A WHITE FIELD.
<br />2.3 LABELS
<br />A. VINYL WRAPAROUND LABELS: PREPRINTED, FLEXIBLE LABELS LAMINATED WITH A CLEAR, WEATHER- AND CHEMICAL-RESISTANT COATING AND MATCHING WRAPAROUND CLEAR ADHESIVE TAPE FOR
<br />SECURING LABEL ENDS.
<br />B. SELF-ADHESIVE WRAPAROUND LABELS: PREPRINTED, 3-MIL- (0.08-MM-) THICK, VINYL FLEXIBLE LABEL WITH ACRYLIC PRESSURE-SENSITIVE ADHESIVE.
<br />1. SELF-LAMINATION: CLEAR; UV-, WEATHER- AND CHEMICAL-RESISTANT; SELF-LAMINATING, PROTECTIVE SHIELD OVER THE LEGEND. LABELS SIZED SUCH THAT THE CLEAR SHIELD OVERLAPS THE
<br />ENTIRE PRINTED LEGEND.
<br />2. MARKER FOR LABELS: MACHINE-PRINTED, PERMANENT, WATERPROOF, BLACK INK RECOMMENDED BY PRINTER MANUFACTURER.
<br />C. SELF-ADHESIVE LABELS: VINYL, THERMAL, TRANSFER-PRINTED, 3-MIL- (0.08-MM-) THICK, MULTICOLOR, WEATHER- AND UV-RESISTANT, PRESSURE-SENSITIVE ADHESIVE LABELS, CONFIGURED FOR
<br />INTENDED USE AND LOCATION.
<br />1. MINIMUM NOMINAL SIZE:
<br />1-1/2 BY 6 INCHES (37 BY 150 MM) FOR RACEWAY AND CONDUCTORS.
<br />3-1/2 BY 5 INCHES (76 BY 127 MM) FOR EQUIPMENT.
<br />AS REQUIRED BY AUTHORITIES HAVING JURISDICTION.
<br />2.4 TAPES AND STENCILS
<br />A. MARKER TAPES: VINYL OR VINYL-CLOTH, SELF-ADHESIVE WRAPAROUND TYPE, WITH CIRCUIT IDENTIFICATION LEGEND MACHINE PRINTED BY THERMAL TRANSFER OR EQUIVALENT PROCESS.
<br />B. SELF-ADHESIVE VINYL TAPE: COLORED, HEAVY DUTY, WATERPROOF, FADE RESISTANT; NOT LESS THAN 3 MILS (0.08 MM) THICK BY 1 TO 2 INCHES (25 TO 50 MM) WIDE; COMPOUNDED FOR OUTDOOR USE.
<br />C. UNDERGROUND-LINE WARNING TAPE:
<br />1. TAPE:
<br />RECOMMENDED BY MANUFACTURER FOR THE METHOD OF INSTALLATION AND SUITABLE TO IDENTIFY AND LOCATE UNDERGROUND ELECTRICAL UTILITY LINES.
<br />PRINTING ON TAPE SHALL BE PERMANENT AND SHALL NOT BE DAMAGED BY BURIAL OPERATIONS.
<br />TAPE MATERIAL AND INK SHALL BE CHEMICALLY INERT AND NOT SUBJECT TO DEGRADATION WHEN EXPOSED TO ACIDS, ALKALIS, AND OTHER DESTRUCTIVE
<br />SUBSTANCES COMMONLY FOUND IN SOILS.
<br />2. COLOR AND PRINTING:
<br />COMPLY WITH ANSI Z535.1, ANSI Z535.2, ANSI Z535.3, ANSI Z535.4, AND ANSI Z535.5.
<br />INSCRIPTIONS FOR RED-COLORED TAPES: "ELECTRIC LINE, HIGH VOLTAGE".
<br />3. TAG: TYPE I:
<br />PIGMENTED POLYOLEFIN, BRIGHT COLORED, CONTINUOUS-PRINTED ON ONE SIDE WITH THE INSCRIPTION OF THE UTILITY, COMPOUNDED FOR DIRECT-BURIAL
<br />SERVICE.
<br />WIDTH: 3 INCHES (75 MM).
<br />THICKNESS: 4 MILS (0.1 MM).
<br />d. WEIGHT: 18.5 LB/1000 SQ. FT. (9.0 KG/100 SQ. M).
<br />e. TENSILE ACCORDING TO ASTM D882: 30 LBF (133.4 N) AND 2500 PSI (17.2 MPA).
<br />D. STENCILED LEGEND: IN NONFADING, WATERPROOF, BLACK INK OR PAINT. MINIMUM LETTER HEIGHT SHALL BE 1 INCH (25 MM).
<br />2.5 SIGNS
<br />A. BAKED-ENAMEL SIGNS:
<br />1. PREPRINTED ALUMINUM SIGNS, HIGH-INTENSITY REFLECTIVE, PUNCHED OR DRILLED FOR FASTENERS, WITH COLORS, LEGEND, AND SIZE REQUIRED FOR APPLICATION.
<br />2. 1/4-INCH (6.4-MM) GROMMETS IN CORNERS FOR MOUNTING.
<br />3. NOMINAL SIZE: 7 BY 10 INCHES (180 BY 250 MM).
<br />B. METAL-BACKED BUTYRATE SIGNS:
<br />1. WEATHER-RESISTANT, NONFADING, PREPRINTED, CELLULOSE-ACETATE BUTYRATE SIGNS, WITH 0.0396-INCH (1-MM) GALVANIZED-STEEL BACKING, PUNCHED AND DRILLED FOR FASTENERS, AND
<br />WITH COLORS, LEGEND, AND SIZE REQUIRED FOR APPLICATION.
<br />2. 1/4-INCH (6.4-MM) GROMMETS IN CORNERS FOR MOUNTING.
<br />3. NOMINAL SIZE: 10 BY 14 INCHES (250 BY 360 MM).
<br />C. LAMINATED ACRYLIC OR MELAMINE PLASTIC SIGNS:
<br />1. ENGRAVED LEGEND.
<br />2. THICKNESS:
<br />FOR SIGNS UP TO 20 SQ. IN. (129 SQ. CM), MINIMUM 1/16 INCH (1.6 MM) THICK.
<br />FOR SIGNS LARGER THAN 20 SQ. IN. (129 SQ. CM), 1/8 INCH (3.2 MM) THICK.
<br />ENGRAVED LEGEND WITH BLACK LETTERS ON WHITE FACE.
<br />PUNCHED OR DRILLED FOR MECHANICAL FASTENERS WITH 1/4-INCH (6.4-MM) GROMMETS IN CORNERS FOR MOUNTING.
<br />FRAMED WITH MITERED ACRYLIC MOLDING AND ARRANGED FOR ATTACHMENT AT APPLICABLE EQUIPMENT.
<br />2.6 CABLE TIES
<br />A. UV-STABILIZED CABLE TIES: FUNGUS INERT, DESIGNED FOR CONTINUOUS EXPOSURE TO EXTERIOR SUNLIGHT, SELF-EXTINGUISHING, ONE PIECE, SELF-LOCKING, AND TYPE 6/6 NYLON.
<br />MINIMUM WIDTH: 3/16 INCH (5 MM).
<br />TENSILE STRENGTH AT 73 DEG F (23 DEG C) ACCORDING TO ASTM D638: 12,000 PSI (82.7 MPA).
<br />TEMPERATURE RANGE: MINUS 40 TO PLUS 185 DEG F (MINUS 40 TO PLUS 85 DEG C).
<br />COLOR: BLACK.
<br />B. PLENUM-RATED CABLE TIES: SELF-EXTINGUISHING, UV STABILIZED, ONE PIECE, AND SELF-LOCKING.
<br />MINIMUM WIDTH: 3/16 INCH (5 MM).
<br />TENSILE STRENGTH AT 73 DEG F (23 DEG C) ACCORDING TO ASTM D638: 7000 PSI (48.2 MPA).
<br />UL 94 FLAME RATING: 94V-0.
<br />TEMPERATURE RANGE: MINUS 50 TO PLUS 284 DEG F (MINUS 46 TO PLUS 140 DEG C).
<br />COLOR: BLACK.
<br />2.7 MISCELLANEOUS IDENTIFICATION PRODUCTS
<br />A. FASTENERS FOR LABELS AND SIGNS: SELF-TAPPING, STAINLESS-STEEL SCREWS OR STAINLESS-STEEL MACHINE SCREWS WITH NUTS AND FLAT AND LOCK WASHERS.
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<br />SECTION 260553 - IDENTIFICATION FOR ELECTRICAL SYSTEMS (CONTINUED)
<br />PART 3 - EXECUTION
<br />3.1 INSTALLATION
<br />A. VERIFY AND COORDINATE IDENTIFICATION NAMES, ABBREVIATIONS, COLORS, AND OTHER FEATURES WITH REQUIREMENTS IN OTHER SECTIONS REQUIRING IDENTIFICATION APPLICATIONS, DRAWINGS,
<br />SHOP DRAWINGS, MANUFACTURER'S WIRING DIAGRAMS, AND OPERATION AND MAINTENANCE MANUAL. USE CONSISTENT DESIGNATIONS THROUGHOUT PROJECT.
<br />B. VERIFY IDENTITY OF EACH ITEM BEFORE INSTALLING IDENTIFICATION PRODUCTS.
<br />C. COORDINATE IDENTIFICATION WITH PROJECT DRAWINGS, MANUFACTURER'S WIRING DIAGRAMS, AND OPERATION AND MAINTENANCE MANUAL.
<br />D. APPLY IDENTIFICATION DEVICES TO SURFACES THAT REQUIRE FINISH AFTER COMPLETING FINISH WORK.
<br />E. INSTALL SIGNS WITH APPROVED LEGEND TO FACILITATE PROPER IDENTIFICATION, OPERATION, AND MAINTENANCE OF ELECTRICAL SYSTEMS AND CONNECTED ITEMS.
<br />F. SELF-ADHESIVE IDENTIFICATION PRODUCTS: BEFORE APPLYING ELECTRICAL IDENTIFICATION PRODUCTS, CLEAN SUBSTRATES OF SUBSTANCES THAT COULD IMPAIR BOND, USING MATERIALS AND
<br />METHODS RECOMMENDED BY MANUFACTURER OF IDENTIFICATION PRODUCT.
<br />G. SYSTEM IDENTIFICATION FOR RACEWAYS AND CABLES UNDER 600 V: IDENTIFICATION SHALL COMPLETELY ENCIRCLE CABLE OR CONDUIT. PLACE IDENTIFICATION OF TWO-COLOR MARKINGS IN CONTACT,
<br />SIDE BY SIDE.
<br />1. SECURE TIGHT TO SURFACE OF CONDUCTOR, CABLE, OR RACEWAY.
<br />H. SYSTEM IDENTIFICATION FOR RACEWAYS AND CABLES OVER 600 V: IDENTIFICATION SHALL COMPLETELY ENCIRCLE CABLE OR CONDUIT. PLACE ADJACENT IDENTIFICATION OF TWO-COLOR MARKINGS IN
<br />CONTACT, SIDE BY SIDE.
<br />1. SECURE TIGHT TO SURFACE OF CONDUCTOR, CABLE, OR RACEWAY.
<br />I. AUXILIARY ELECTRICAL SYSTEMS CONDUCTOR IDENTIFICATION: IDENTIFY FIELD-INSTALLED ALARM, CONTROL, AND SIGNAL CONNECTIONS.
<br />J. EMERGENCY OPERATING INSTRUCTION SIGNS: INSTALL INSTRUCTION SIGNS WITH WHITE LEGEND ON A RED BACKGROUND WITH MINIMUM 3/8-INCH- (10-MM-) HIGH LETTERS FOR EMERGENCY
<br />INSTRUCTIONS AT EQUIPMENT USED FOR POWER TRANSFER OR EMERGENCY POWER DISCONNECTION.
<br />K. VINYL WRAPAROUND LABELS:
<br />1. SECURE TIGHT TO SURFACE AT A LOCATION WITH HIGH VISIBILITY AND ACCESSIBILITY.
<br />2. ATTACH LABELS THAT ARE NOT SELF-ADHESIVE TYPE WITH CLEAR VINYL TAPE, WITH ADHESIVE APPROPRIATE TO THE LOCATION AND SUBSTRATE.
<br />L. SELF-ADHESIVE WRAPAROUND LABELS: SECURE TIGHT TO SURFACE OF RACEWAY OR CABLE AT A LOCATION WITH HIGH VISIBILITY AND ACCESSIBILITY.
<br />M. SELF-ADHESIVE LABELS:
<br />1. ON EACH UNIT OF EQUIPMENT, INSTALL UNIQUE DESIGNATION LABEL THAT IS CONSISTENT WITH WIRING DIAGRAMS, SCHEDULES, AND OPERATION AND MAINTENANCE MANUAL.
<br />2. UNLESS OTHERWISE INDICATED, PROVIDE A SINGLE LINE OF TEXT WITH 1/2-INCH- (13-MM-) HIGH LETTERS ON 1-1/2-INCH- (38-MM-) HIGH LABEL; WHERE TWO LINES OF TEXT ARE REQUIRED, USE
<br />LABELS 2 INCHES (50 MM) HIGH.
<br />N. UNDERGROUND LINE WARNING TAPE:
<br />DURING BACKFILLING OF TRENCHES, INSTALL CONTINUOUS UNDERGROUND-LINE WARNING TAPE DIRECTLY ABOVE CABLE OR RACEWAY AT 6 TO 8 INCHES (150 TO 200 MM)
<br />BELOW FINISHED GRADE. USE MULTIPLE TAPES WHERE WIDTH OF MULTIPLE LINES INSTALLED IN A COMMON TRENCH EXCEEDS 16 INCHES (400 MM) OVERALL.
<br />INSTALL UNDERGROUND-LINE WARNING TAPE FOR DIRECT-BURIED CABLES AND CABLES IN RACEWAYS.
<br />O. BAKED-ENAMEL SIGNS:
<br />ATTACH SIGNS THAT ARE NOT SELF-ADHESIVE TYPE WITH MECHANICAL FASTENERS APPROPRIATE TO THE LOCATION AND SUBSTRATE.
<br />UNLESS OTHERWISE INDICATED, PROVIDE A SINGLE LINE OF TEXT WITH 1/2-INCH- (13-MM-) HIGH LETTERS ON MINIMUM 1-1/2-INCH- (38-MM-) HIGH SIGN; WHERE TWO LINES
<br />OF TEXT ARE REQUIRED, USE SIGNS MINIMUM 2 INCHES (50 MM) HIGH.
<br />P. METAL-BACKED BUTYRATE SIGNS:
<br />ATTACH SIGNS THAT ARE NOT SELF-ADHESIVE TYPE WITH MECHANICAL FASTENERS APPROPRIATE TO THE LOCATION AND SUBSTRATE.
<br />UNLESS OTHERWISE INDICATED, PROVIDE A SINGLE LINE OF TEXT WITH 1/2-INCH- (13-MM-) HIGH LETTERS ON MINIMUM 1-1/2-INCH- (38-MM-) HIGH SIGN; WHERE TWO LINES
<br />OF TEXT ARE REQUIRED, USE SIGNS MINIMUM 2 INCHES (50 MM) HIGH.
<br />Q. LAMINATED ACRYLIC OR MELAMINE PLASTIC SIGNS:
<br />ATTACH SIGNS AND PLASTIC LABELS THAT ARE NOT SELF-ADHESIVE TYPE WITH MECHANICAL FASTENERS APPROPRIATE TO THE LOCATION AND SUBSTRATE.
<br />UNLESS OTHERWISE INDICATED, PROVIDE A SINGLE LINE OF TEXT WITH 1/2-INCH- (13-MM-) HIGH LETTERS ON MINIMUM 1-1/2-INCH- (38-MM-) HIGH SIGN; WHERE TWO LINES
<br />OF TEXT ARE REQUIRED, USE SIGNS MINIMUM 2 INCHES (50 MM) HIGH.
<br />R. CABLE TIES: GENERAL PURPOSE, FOR ATTACHING TAGS, EXCEPT AS LISTED BELOW:
<br />OUTDOORS: UV-STABILIZED NYLON.
<br />IN SPACES HANDLING ENVIRONMENTAL AIR: PLENUM RATED.
<br />3.2 IDENTIFICATION SCHEDULE
<br />INSTALL IDENTIFICATION MATERIALS AND DEVICES AT LOCATIONS FOR MOST CONVENIENT VIEWING WITHOUT INTERFERENCE WITH OPERATION AND MAINTENANCE OF EQUIPMENT.
<br />INSTALL ACCESS DOORS OR PANELS TO PROVIDE VIEW OF IDENTIFYING DEVICES.
<br />IDENTIFY CONDUCTORS, CABLES, AND TERMINALS IN ENCLOSURES AND AT JUNCTIONS, TERMINALS, PULL POINTS, AND LOCATIONS OF HIGH VISIBILITY. IDENTIFY BY SYSTEM AND
<br />CIRCUIT DESIGNATION.
<br />ACCESSIBLE RACEWAYS AND METAL-CLAD CABLES, 600 V OR LESS, FOR SERVICE, FEEDER, AND BRANCH CIRCUITS, MORE THAN 30 A AND 120 V TO GROUND: IDENTIFY WITH SELF-
<br />ADHESIVE RACEWAY LABELS.
<br />LOCATE IDENTIFICATION AT CHANGES IN DIRECTION, AT PENETRATIONS OF WALLS AND FLOORS, AT 50-FOOT (15-M) MAXIMUM INTERVALS IN STRAIGHT RUNS, AND AT 25-
<br />FOOT (7.6-M) MAXIMUM INTERVALS IN CONGESTED AREAS.
<br />POWER-CIRCUIT CONDUCTOR IDENTIFICATION, 600 V OR LESS: FOR CONDUCTORS IN PULL AND JUNCTION BOXES AND HANDHOLES, USE VINYL WRAPAROUND LABELS OR SELF-
<br />ADHESIVE WRAPAROUND LABELS TO IDENTIFY THE PHASE.
<br />LOCATE IDENTIFICATION AT CHANGES IN DIRECTION, AT PENETRATIONS OF WALLS AND FLOORS, AT 50-FOOT (15-M) MAXIMUM INTERVALS IN STRAIGHT RUNS, AND AT 25-
<br />FOOT (7.6-M) MAXIMUM INTERVALS IN CONGESTED AREAS.
<br />CONTROL-CIRCUIT CONDUCTOR IDENTIFICATION: FOR CONDUCTORS AND CABLES IN PULL AND JUNCTION BOXES, MANHOLES, AND HANDHOLES, USE SELF-ADHESIVE WRAPAROUND
<br />LABELS WITH THE CONDUCTOR OR CABLE DESIGNATION, ORIGIN, AND DESTINATION.
<br />CONTROL-CIRCUIT CONDUCTOR TERMINATION IDENTIFICATION: FOR IDENTIFICATION AT TERMINATIONS, PROVIDE SELF-ADHESIVE WRAPAROUND LABELS WITH THE CONDUCTOR
<br />DESIGNATION.
<br />LOCATIONS OF UNDERGROUND LINES: UNDERGROUND-LINE WARNING TAPE FOR POWER CONDUITS AND CABLES.
<br />INSTRUCTIONAL SIGNS: SELF-ADHESIVE LABELS, INCLUDING THE COLOR CODE FOR GROUNDED AND UNGROUNDED CONDUCTORS.
<br />WARNING LABELS FOR INDOOR CABINETS, BOXES, AND ENCLOSURES FOR POWER AND LIGHTING: BAKED-ENAMEL WARNING SIGNS. APPLY TO EXTERIOR OF DOOR, COVER, OR OTHER
<br />ACCESS.
<br />ARC FLASH WARNING LABELING: SELF-ADHESIVE LABELS.
<br />OPERATING INSTRUCTION SIGNS: LAMINATED ACRYLIC OR MELAMINE PLASTIC SIGNS.
<br />EQUIPMENT IDENTIFICATION LABELS:
<br />INDOOR EQUIPMENT: BAKED-ENAMEL SIGNS
<br />OUTDOOR EQUIPMENT: LAMINATED ACRYLIC OR MELAMINE SIGN.
<br />END OF SECTION 260553
<br />SECTION 261213 - LIQUID-FILLED, MEDIUM-VOLTAGE TRANSFORMERS
<br />PART 1 - GENERAL
<br />1.1 SUMMARY
<br />SECTION INCLUDES LIQUID-FILLED, MEDIUM-VOLTAGE TRANSFORMERS, WITH PRIMARY AND SECONDARY BUSHINGS WITHIN OR WITHOUT AIR-TERMINAL ENCLOSURES.
<br />1.2 SUBMITTALS
<br />SHOP DRAWINGS: EQUIPMENT PROCURED BY OWNER. EQUIPMENT SUBMITTAL DRAWINGS PROVIDED FOR COORDINATION DURING CONSTRUCTION.
<br />PART 2 - PRODUCTS
<br />2.1 SYSTEM DESCRIPTION
<br />ELECTRICAL COMPONENTS, DEVICES, AND ACCESSORIES: LISTED AND LABELED AS DEFINED IN NFPA 70, BY A QUALIFIED TESTING AGENCY, AND MARKED FOR INTENDED LOCATION AND
<br />APPLICATION.
<br />COMPLY WITH IEEE C2.
<br />COMPLY WITH IEEE C57.12.00.
<br />2.2 PERFORMANCE REQUIREMENTS
<br />EQUIPMENT PROCURED AND PROVIDED BY OWNER.
<br />WARNING LABELS AND SIGNS
<br />COMPLY WITH REQUIREMENTS FOR LABELS AND SIGNS SPECIFIED IN SECTION 260553 "IDENTIFICATION FOR ELECTRICAL SYSTEMS."
<br />WARNING SIGNS SHALL BE MADE OF BAKED ENAMEL.
<br />EQUIPMENT IDENTIFICATION LABELS: ENGRAVED, LAMINATED-ACRYLIC OR -MELAMINE LABEL SHALL BE LOCATED OUTSIDE OF EQUIPMENT DOORS.
<br />PART 3 - EXECUTION
<br />3.1 EXAMINATION
<br />A. HANDLING:
<br />HANDLE TRANSFORMERS CAREFULLY. DO NOT SUBJECT TRANSFORMERS TO IMPACT, JOLTING, JARRING, OR ROUGH HANDLING.
<br />PROTECT TRANSFORMER TERMINATION COMPARTMENTS AGAINST ENTRANCE OF DUST, RAIN, AND SNOW.
<br />TRANSPORT TRANSFORMERS UPRIGHT.
<br />B. EXAMINE AREAS AND SPACE CONDITIONS FOR COMPLIANCE WITH REQUIREMENTS FOR LIQUID-FILLED, MEDIUM-VOLTAGE TRANSFORMERS AND OTHER CONDITIONS AFFECTING PERFORMANCE OF THE
<br />WORK.
<br />C. EXAMINE ROUGHING-IN OF CONDUITS AND GROUNDING SYSTEMS TO VERIFY THE FOLLOWING:
<br />WIRING ENTRIES COMPLY WITH LAYOUT REQUIREMENTS.
<br />ENTRIES ARE WITHIN CONDUIT-ENTRY TOLERANCES SPECIFIED BY MANUFACTURER, AND NO FEEDERS WILL CROSS SECTION BARRIERS TO REACH LOAD OR LINE LUGS.
<br />D. VERIFY THAT GROUND CONNECTIONS ARE IN PLACE AND THAT REQUIREMENTS IN SECTION 260526 "GROUNDING AND BONDING FOR ELECTRICAL SYSTEMS" HAVE BEEN MET. MAXIMUM GROUND
<br />RESISTANCE SHALL BE 5 OHMS AT TRANSFORMER LOCATION.
<br />E. PROCEED WITH INSTALLATION ONLY AFTER UNSATISFACTORY CONDITIONS HAVE BEEN CORRECTED.
<br />3.2 INSTALLATION
<br />A. INSTALL TRANSFORMERS ON CAST-IN-PLACE CONCRETE EQUIPMENT BASE(S). COMPLY WITH REQUIREMENTS FOR EQUIPMENT BASES AND FOUNDATIONS SPECIFIED IN SECTION 033000 "CAST-IN-PLACE
<br />CONCRETE."
<br />B. TRANSFORMER SHALL BE INSTALLED LEVEL AND PLUMB AND SHALL TILT LESS THAN 1.5 DEGREES WHILE ENERGIZED.
<br />C. COMPLY WITH REQUIREMENTS FOR VIBRATION ISOLATION AND SEISMIC CONTROL DEVICES SPECIFIED IN SECTION 260529 "HANGERS AND SUPPORTS FOR ELECTRICAL SYSTEMS" AND SECTION 260548.16
<br />"SEISMIC CONTROLS FOR ELECTRICAL SYSTEMS."
<br />D. MAINTAIN MINIMUM CLEARANCES AND WORKSPACE AT EQUIPMENT ACCORDING TO MANUFACTURER'S WRITTEN INSTRUCTIONS AND NFPA 70.
<br />3.3 CONNECTIONS
<br />A. GROUND EQUIPMENT ACCORDING TO SECTION 260526 "GROUNDING AND BONDING FOR ELECTRICAL SYSTEMS."
<br />TERMINATE ALL GROUNDING AND BONDING CONDUCTORS ON A COMMON EQUIPMENT GROUNDING TERMINAL ON TRANSFORMER ENCLOSURE. INSTALL SUPPLEMENTAL
<br />TERMINAL BARS, LUGS, AND BONDING JUMPERS AS REQUIRED TO ACCOMMODATE NUMBER OF CONDUCTORS FOR TERMINATION.
<br />COMPLETE TRANSFORMER TANK GROUNDING AND LIGHTNING ARRESTER CONNECTIONS PRIOR TO MAKING ANY OTHER ELECTRICAL CONNECTIONS.
<br />B. TERMINATE MEDIUM-VOLTAGE CABLES IN INCOMING SECTION OF SUBSTATIONS ACCORDING TO SECTION 260513 "MEDIUM-VOLTAGE CABLES."
<br />C. EXTEND OIL SAMPLING PORT FROM LOCATION ON TRANSFORMER TO LOCATION ACCESSIBLE AFTER CONDUCTOR INSTALLATION.
<br />3.4 SIGNS AND LABELS
<br />A.COMPLY WITH INSTALLATION REQUIREMENTS FOR LABELS AND SIGNS SPECIFIED IN SECTION 260553 "IDENTIFICATION FOR ELECTRICAL SYSTEMS."
<br />B. INSTALL WARNING SIGNS AS REQUIRED TO COMPLY WITH 29 CFR 1910.269.
<br />3.5 FIELD QUALITY CONTROL
<br />A. CONTRACTOR WILL PERFORM THE FOLLOWING TESTS AND INSPECTIONS WITH A NETA CERTIFIED TESTING GROUP:
<br />VISUAL AND MECHANICAL INSPECTION
<br />COMPARE EQUIPMENT NAMEPLATE DATA WITH DRAWINGS AND SPECIFICATIONS.
<br />INSPECT PHYSICAL AND MECHANICAL CONDITION.
<br />INSPECT IMPACT RECORDER PRIOR TO UNLOADING.
<br />INSPECT ANCHORAGE, ALIGNMENT, AND GROUNDING.
<br />VERIFY THE PRESENCE OF PCB CONTENT LABELING.
<br />VERIFY REMOVAL OF ANY SHIPPING BRACING AFTER PLACEMENT.
<br />VERIFY THE BUSHINGS ARE CLEAN.
<br />VERIFY THAT ALARM, CONTROL, AND TRIP SETTINGS ON TEMPERATURE AND LEVEL INDICATORS ARE AS SPECIFIED.
<br />VERIFY OPERATION OF ALARM, CONTROL, AND TRIP CIRCUITS FROM TEMPERATURE AND LEVEL INDICATORS, PRESSURE RELIEF DEVICE, GAS ACCUMULATOR,
<br />AND FAULT PRESSURE RELAY.
<br />ACCEPTABLE TEST VALUE: ALARM, CONTROL, AND TRIP CIRCUITS FROM TEMPERATURE AND LEVEL INDICATORS AS WELL AS PRESSURE RELIEF
<br />DEVICE AND FAULT PRESSURE RELAY SHALL OPERATE WITHIN MANUFACTURER'S RECOMMENDATIONS FOR THEIR SPECIFIED SETTINGS.
<br />VERIFY THAT COOLING FANS AND PUMPS OPERATE CORRECTLY AND HAVE APPROPRIATE OVERCURRENT PROTECTION.
<br />ACCEPTABLE TEST VALUE: COOLING FANS AND PUMPS SHALL OPERATE.
<br />INSPECT BOLTED ELECTRICAL CONNECTIONS FOR HIGH RESISTANCE USING ONE OR MORE OF THE FOLLOWING METHODS:
<br />USE OF A LOW-RESISTANCE OHMMETER IN ACCORDANCE WITH NETA ATS SECTION 7.2.2.B.1.
<br />ACCEPTABLE TEST VALUE: COMPARE BOLTED CONNECTION RESISTANCE VALUES TO VALUES OF SIMILAR CONNECTIONS. INVESTIGATE
<br />VALUES WHICH DEVIATE FROM THOSE OF SIMILAR BOLTED CONNECTIONS BY MORE THAN 50 PERCENT OF THE LOWEST VALUE.
<br />i. VERIFY TIGHTNESS OF ACCESSIBLE BOLTED ELECTRICAL CONNECTIONS BY CALIBRATED TORQUE-WRENCH METHOD IN ACCORDANCE WITH
<br />MANUFACTURER'S PUBLISHED DATA OR NETA ATS TABLE 100.12.
<br />i. ACCEPTABLE TEST VALUE: BOLT-TORQUE LEVELS SHALL BE IN ACCORDANCE WITH MANUFACTURER'S PUBLISHED DATA. IN THE ABSENCE OF MANUFACTURER'S
<br />DATA, USE NETA ATS TABLE 100.12.
<br />i. PERFORM THERMOGRAPHIC SURVEY IN ACCORDANCE WITH NETA ATS SECTION 9.
<br />ACCEPTABLE TEST VALUE: RESULTS OF THE THERMOGRAPHIC SURVEY SHALL BE IN ACCORDANCE WITH NETA ATS SECTION 9.
<br />l.VERIFY CORRECT LIQUID LEVEL IN TANKS AND BUSHINGS.
<br />ACCEPTABLE TEST VALUE: LIQUID LEVELS IN THE TRANSFORMER TANKS AND BUSHINGS SHALL BE WITHIN INDICATED TOLERANCES.
<br />m. VERIFY VALVES ARE IN THE CORRECT OPERATING POSITION.
<br />n. VERIFY THAT POSITIVE PRESSURE IS MAINTAINED ON GAS-BLANKETED TRANSFORMERS.
<br />ACCEPTABLE TEST VALUE: POSITIVE PRESSURE SHALL BE INDICATED ON PRESSURE GAUGE FOR GAS-BLANKETED TRANSFORMERS.
<br />o. PERFORM INSPECTIONS AND MECHANICAL TESTS AS RECOMMENDED BY THE MANUFACTURER.
<br />p. TEST LOAD TAP-CHANGER IN ACCORDANCE WITH NETA ATS SECTION 7.12.3.
<br />q. VERIFY PRESENCE OF TRANSFORMER SURGE ARRESTERS.
<br />r.VERIFY DE-ENERGIZED TAP-CHANGER POSITION IS LEFT AS SPECIFIED.
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<br />SECTION 261213 - LIQUID-FILLED, MEDIUM-VOLTAGE TRANSFORMERS
<br />3.6 ELECTRICAL TESTS
<br />PERFORM RESISTANCE MEASUREMENTS THROUGH BOLTED CONNECTIONS WITH A LOW-RESISTANCE OHMMETER IN ACCORDANCE WITH NETA SECTION
<br />7.2.2.A.12.1.
<br />ACCEPTABLE TEST VALUE: COMPARE BOLTED CONNECTION RESISTANCE VALUES TO VALUES OF SIMILAR CONNECTIONS. INVESTIGATE VALUES WHICH
<br />DEVIATE FROM THOSE OF SIMILAR BOLTED CONNECTIONS BY MORE THAN 50 PERCENT OF THE LOWEST VALUE.
<br />PERFORM INSULATION-RESISTANCE TESTS, WINDING-TO-WINDING AND EACH WINDING-TO-GROUND. APPLY VOLTAGE IN ACCORDANCE WITH MANUFACTURER'S
<br />PUBLISHED DATA. IN THE ABSENCE OF MANUFACTURER'S DATA, USE NETA ATS TABLE 100.5. CALCULATE DIELECTRIC ABSORPTION RATIO AND POLARIZATION
<br />INDEX.
<br />ACCEPTABLE TEST VALUE: MINIMUM INSULATION-RESISTANCE VALUES OF TRANSFORMER INSULATION SHALL BE IN ACCORDANCE WITH
<br />MANUFACTURER'S PUBLISHED DATA. IN THE ABSENCE OF MANUFACTURER'S DATA, USE NETA ATS TABLE 100.5. VALUES OF INSULATION RESISTANCE
<br />LESS THAN THIS TABLE OR MANUFACTURER'S RECOMMENDATIONS SHOULD BE INVESTIGATED. THE POLARIZATION INDEX SHALL NOT BE LESS THAN
<br />1.0.
<br />PERFORM TURNS-RATIO TESTS AT ALL TAP POSITIONS.
<br />ACCEPTABLE TEST VALUE: TURNS-RATIO TEST RESULTS SHALL NOT DEVIATE BY MORE THAN ONE-HALF PERCENT FROM EITHER THE ADJACENT COILS
<br />OR THE CALCULATED RATIO.
<br />PERFORM INSULATION POWER-FACTOR OR DISSIPATION-FACTOR TESTS ON ALL WINDINGS IN ACCORDANCE WITH TEST EQUIPMENT MANUFACTURER'S
<br />PUBLISHED DATA.
<br />ACCEPTABLE TEST VALUE: MAXIMUM INSULATION POWER-FACTOR/DISSIPATION-FACTOR VALUES OF LIQUID-FILLED TRANSFORMERS CORRECTED TO
<br />20ºC SHALL BE IN ACCORDANCE WITH THE MANUFACTURER'S PUBLISHED DATA. IN THE ABSENCE OF MANUFACTURER'S DATA, USE NETA ATS TABLE
<br />100.3. DISTRIBUTION TRANSFORMER POWER FACTOR RESULTS SHALL COMPARE TO PREVIOUSLY OBTAINED RESULTS.
<br />PERFORM POWER-FACTOR OR DISSIPATION-FACTOR TESTS ON EACH BUSHING EQUIPPED WITH A POWER-FACTOR/CAPACITANCE TAP. IN THE ABSENCE OF A
<br />POWER-FACTOR/CAPACITANCE TAP, PERFORM HOT-COLLAR TESTS. THESE TESTS SHALL BE IN ACCORDANCE WITH THE TEST EQUIPMENT MANUFACTURER'S
<br />PUBLISHED DATA.
<br />ACCEPTABLE TEST VALUE: INVESTIGATE BUSHING POWER-FACTOR VALUES THAT VARY FROM NAMEPLATE VALUES BY MORE THAN 50 PERCENT.
<br />INVESTIGATE BUSHING CAPACITANCE VALUES THAT VARY FROM NAMEPLATE VALUES BY MORE THAN FIVE PERCENT. INVESTIGATE BUSHING HOT-
<br />COLLAR TEST VALUES THAT EXCEED 0.1 WATTS.
<br />PERFORM EXCITATION-CURRENT TESTS IN ACCORDANCE WITH TEST EQUIPMENT MANUFACTURER'S PUBLISHED DATA.
<br />ACCEPTABLE TEST VALUE: THE TYPICAL EXCITATION-CURRENT TEST DATA PATTERN FOR A THREE-LEGGED CORE TRANSFORMER IS TWO SIMILAR
<br />CURRENT READINGS AND ONE LOWER CURRENT READING. THE TEST SHOULD PRODUCE A PATTERN TYPICAL FOR THE SPECIFIC TRANSFORMER TYPE
<br />AND CONFIGURATION.
<br />MEASURE THE RESISTANCE OF EACH WINDING AT EACH TAP CONNECTION. TEST CURRENT NOT TO EXCEED 10 PERCENT RATED CURRENT ACCORDING TO IEEE
<br />C57.152.
<br />ACCEPTABLE TEST VALUE: TEMPERATURE CORRECTED WINDING-RESISTANCE VALUES SHALL COMPARE WITHIN TWO PERCENT OF PREVIOUSLY
<br />OBTAINED RESULTS OR BETWEEN ADJACENT PHASES.
<br />REMOVE A SAMPLE OF INSULATING LIQUID IN ACCORDANCE WITH ASTM D923. SAMPLE SHALL BE TESTED FOR THE FOLLOWING.
<br />TESTS:
<br />DIELECTRIC BREAKDOWN VOLTAGE: ASTM D1816
<br />ACID NEUTRALIZATION NUMBER: ASTM D974
<br />INTERFACIAL TENSION: ASTM D971
<br />COLOR: ASTM D1500
<br />VISUAL CONDITION: ASTM D1524
<br />WATER IN INSULATING LIQUIDS: ASTM D1533.
<br />ii.ACCEPTABLE TEST VALUE: INSULATING LIQUID VALUES SHALL BE IN ACCORDANCE WITH NETA ATS TABLE 100.4.
<br />REMOVE A SAMPLE OF INSULATING LIQUID IN ACCORDANCE WITH ASTM D923 AND PERFORM DISSOLVED-GAS ANALYSIS (DGA) IN ACCORDANCE WITH IEEE C57.104 OR ASTM D3612.
<br />ACCEPTABLE TEST VALUE: EVALUATE RESULTS OF DISSOLVED-GAS ANALYSIS IN ACCORDANCE WITH IEEE C57.104.
<br />TEST INSTRUMENT TRANSFORMERS IN ACCORDANCE WITH NETA ATS SECTION 7.10.
<br />ACCEPTABLE TEST VALUE: RESULTS OF ELECTRICAL TESTS ON INSTRUMENT TRANSFORMERS SHALL BE IN ACCORDANCE WITH NETA ATS SECTION 7.10.
<br />END OF SECTION 261213
<br />SECTION 261323 - MEDIUM-VOLTAGE, SWITCHGEAR
<br />PART 1 - GENERAL
<br />1.1 SUMMARY
<br />SECTION INCLUDES OUTDOOR METAL-ENCLOSED INTERRUPTER SWITCHGEAR AND OUTDOOR PAD-MOUNTED SWITCHGEAR.
<br />1.2 SUBMITTALS
<br />SHOP DRAWINGS: EQUIPMENT PROCURED BY OWNER. EQUIPMENT SUBMITTAL DRAWINGS PROVIDED FOR COORDINATION DURING CONSTRUCTION.
<br />B. COORDINATION DRAWINGS.
<br />OUTDOOR INSTALLATIONS: DIMENSIONED CONCRETE BASE, OUTLINE OF THE SWITCHGEAR, CONDUIT ENTRIES, AND GROUNDING EQUIPMENT LOCATIONS.
<br />PART 2 - PRODUCTS
<br />2.1 SYSTEM DESCRIPTION
<br />MANUFACTURED UNIT: METAL-ENCLOSED OR PAD-MOUNTED SWITCHGEAR, DESIGNED FOR APPLICATION IN SOLIDLY GROUNDED NEUTRAL SYSTEM.
<br />B. SWITCHGEAR COMPONENTS, DEVICES, AND ACCESSORIES: LISTED AND LABELED AS DEFINED IN NFPA 70, BY A QUALIFIED TESTING AGENCY, AND MARKED FOR INTENDED LOCATION
<br />AND APPLICATION.
<br />C. COMPLY WITH IEEE C37.20.3.
<br />2.2 PERFORMANCE REQUIREMENTS
<br />EQUIPMENT PROCURED AND PROVIDED BY OWNER.
<br />2.3 WARNING LABELS AND SIGNS
<br />COMPLY WITH REQUIREMENTS FOR LABELS AND SIGNS SPECIFIED IN SECTION 260553 "IDENTIFICATION FOR ELECTRICAL SYSTEMS."
<br />WARNING SIGNS SHALL BE BAKED ENAMEL SIGNS.
<br />2. EQUIPMENT IDENTIFICATION LABELS: LAMINATED ACRYLIC OR MELAMINE LABEL.
<br />PART 3 - EXECUTION
<br />3.1 SWITCHGEAR INSTALLATION
<br />UPON DELIVERY OF SWITCHGEAR AND PRIOR TO UNLOADING, INSPECT EQUIPMENT FOR DAMAGE. PROCEED WITH INSTALLATION ONLY AFTER UNSATISFACTORY CONDITIONS HAVE
<br />BEEN CORRECTED.
<br />EQUIPMENT MOUNTING:
<br />INSTALL SWITCHGEAR ON CAST-IN-PLACE CONCRETE EQUIPMENT BASE(S). COMPLY WITH REQUIREMENTS FOR EQUIPMENT BASES AND FOUNDATIONS SPECIFIED IN
<br />SECTION 033000 "CAST-IN-PLACE CONCRETE."
<br />COMPLY WITH REQUIREMENTS FOR VIBRATION ISOLATION AND SEISMIC CONTROL DEVICES SPECIFIED IN SECTION 260548.16 "SEISMIC CONTROLS FOR ELECTRICAL
<br />SYSTEMS."
<br />COMPLY WITH REQUIREMENTS FOR VIBRATION ISOLATION DEVICES SPECIFIED IN SECTION 260529 "HANGERS AND SUPPORTS FOR ELECTRICAL SYSTEMS."
<br />C. SWITCHGEAR SHALL BE INSTALLED LEVEL AND PLUMB. SWITCHGEAR SHALL TILT LESS THAN 1.5 DEGREES WHILE ENERGIZED.
<br />D. MAINTAIN MINIMUM CLEARANCES AND WORKSPACE AT EQUIPMENT ACCORDING TO MANUFACTURER'S WRITTEN INSTRUCTIONS AND NFPA 70.
<br />E. COMPLY WITH NECA 1.
<br />F.COMPLY WITH NECA 430.
<br />3.2 CONNECTIONS
<br />GROUND EQUIPMENT ACCORDING TO SECTION 260526 "GROUNDING AND BONDING FOR ELECTRICAL SYSTEMS."
<br />B. GROUNDING CONNECTIONS AT EXTERIOR LOCATIONS:
<br />INSTALL TINNED BARE COPPER CABLE NOT SMALLER THAN NO. 4/0 AWG, FOR COUNTERPOISE BURIED NOT LESS THAN 30 INCHES (765 MM) BELOW GRADE
<br />INTERCONNECTING THE GROUNDING ELECTRODES.
<br />BOND SURGE ARRESTER AND NEUTRALS DIRECTLY TO THE SWITCHGEAR ENCLOSURE AND THEN TO THE GROUNDING ELECTRODE SYSTEM WITH BARE COPPER
<br />CONDUCTORS, SIZED AS SHOWN.
<br />KEEP LEAD LENGTHS AS SHORT AS PRACTICABLE WITH NO KINKS OR SHARP BENDS.
<br />4. MAKE JOINTS IN GROUNDING CONDUCTORS AND LOOPS BY EXOTHERMIC WELD OR COMPRESSION CONNECTOR.
<br />C. TERMINATE ALL GROUNDING AND BONDING CONDUCTORS ON A COMMON EQUIPMENT GROUNDING TERMINAL ON THE SWITCHGEAR ENCLOSURE. INSTALL SUPPLEMENTAL TERMINAL
<br />BARS, LUGS, AND BONDING JUMPERS AS REQUIRED TO ACCOMMODATE THE NUMBER OF CONDUCTORS FOR TERMINATION.
<br />D. COMPLETE SWITCHGEAR GROUNDING AND LIGHTNING ARRESTER CONNECTIONS PRIOR TO MAKING ANY OTHER ELECTRICAL CONNECTIONS.
<br />E. TERMINATE MEDIUM-VOLTAGE CABLES ACCORDING TO SECTION 260513 "MEDIUM-VOLTAGE CABLES."
<br />3.3 SIGNS AND LABELS
<br />COMPLY WITH THE INSTALLATION REQUIREMENTS FOR LABELS AND SIGNS SPECIFIED IN SECTION 260553 "IDENTIFICATION FOR ELECTRICAL SYSTEMS."
<br />B. INSTALL WARNING SIGNS AS REQUIRED TO COMPLY WITH OSHA IN 29 CFR 1910.269.
<br />3.4 FIELD QUALITY CONTROL
<br />TESTING AGENCY: OWNER WILL ENGAGE A NETA CERTIFIED THIRD PARTY TESTING AGENCY TO PERFORM TESTS AND INSPECTIONS IN ACCORDANCE TO LATEST NETA ATS.
<br />CONTRACTOR SHALL PROVIDE ON SITE ASSISTANCE FOR ELECTRICAL DISCONNECTION AND SAFETY.
<br />GENERAL FIELD TESTING REQUIREMENTS:
<br />COMPLY WITH THE PROVISIONS OF NFPA 70B, "TESTING AND TEST METHODS."
<br />2. AFTER INSTALLING SWITCHGEAR AND AFTER ELECTRICAL CIRCUITRY HAS BEEN ENERGIZED, TEST FOR COMPLIANCE WITH REQUIREMENTS.
<br />3. PERFORM EACH VISUAL AND MECHANICAL INSPECTION AND ELECTRICAL TEST. CERTIFY COMPLIANCE WITH LATEST NETA ATS.
<br />C. MEDIUM-VOLTAGE SWITCHGEAR ASSEMBLY FIELD TESTS (COMPLETED BY THIRD PARTY TESTING AGENCY):
<br />VISUAL AND MECHANICAL INSPECTION:
<br />VERIFY THAT FUSE AND VACUUM FAULT INTERRUPTER SIZES AND TYPES CORRESPOND TO DRAWINGS AND COORDINATION STUDY.
<br />b. VERIFY THAT CURRENT AND VOLTAGE TRANSFORMER RATIOS CORRESPOND TO DRAWINGS.
<br />c. INSPECT BOLTED ELECTRICAL CONNECTIONS USING CALIBRATED TORQUE-WRENCH METHOD ACCORDING TO MANUFACTURER'S PUBLISHED DATA OR NETA ATS,
<br />TABLE 100.12. BOLT-TORQUE LEVELS SHALL BE ACCORDING TO MANUFACTURER'S PUBLISHED DATA. IN THE ABSENCE OF MANUFACTURER'S PUBLISHED DATA, USE NETA
<br />ATS, TABLE 100.12. INVESTIGATE VALUES THAT DEVIATE FROM THOSE OF SIMILAR BOLTED CONNECTIONS BY MORE THAN 50 PERCENT OF THE LOWEST VALUE.
<br />d. CONFIRM CORRECT OPERATION AND SEQUENCING OF ELECTRICAL AND MECHANICAL INTERLOCK SYSTEMS.
<br />ATTEMPT CLOSURE ON LOCKED-OPEN DEVICES. ATTEMPT TO OPEN LOCKED-CLOSED DEVICES.
<br />2) MAKE KEY EXCHANGE WITH DEVICES OPERATED IN OFF-NORMAL POSITIONS.
<br />e. VERIFY APPROPRIATE LUBRICATION ON MOVING CURRENT-CARRYING PARTS AND ON MOVING AND SLIDING SURFACES.
<br />f.INSPECT INSULATORS FOR EVIDENCE OF PHYSICAL DAMAGE OR CONTAMINATED SURFACES.
<br />g. VERIFY CORRECT BARRIER AND SHUTTER INSTALLATION AND OPERATION.
<br />h. EXERCISE ACTIVE COMPONENTS.
<br />i.INSPECT MECHANICAL INDICATING DEVICES FOR CORRECT OPERATION.
<br />j.VERIFY THAT FILTERS ARE IN PLACE AND VENTS ARE CLEAR.
<br />k.PERFORM VISUAL AND MECHANICAL INSPECTION OF INSTRUMENT TRANSFORMERS ACCORDING TO ARTICLE "INSTRUMENT TRANSFORMER FIELD TESTS."
<br />l.INSPECT CONTROL POWER TRANSFORMERS.
<br />INSPECT FOR PHYSICAL DAMAGE, CRACKED INSULATION, BROKEN LEADS, TIGHTNESS OF CONNECTIONS, DEFECTIVE WIRING, AND OVERALL GENERAL
<br />CONDITION.
<br />2) VERIFY THAT PRIMARY AND SECONDARY FUSE OR CIRCUIT BREAKER RATINGS MATCH DRAWINGS.
<br />3) VERIFY CORRECT FUNCTIONING OF DRAWOUT DISCONNECTING AND GROUNDING CONTACTS AND INTERLOCKS
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<br />ORIGINAL SIZE 24"X36"
<br />REV:
<br />PROJ:
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<br />BSE14-2
<br />DLX8_EV_OSP
<br />ALEXANDER SHORTS
<br />PROFESSIONA L ENGINEER
<br />ELECTRICALSTATE OF CALIFORNIA
<br />E 21782
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<br />ELECTRICAL
<br />SPECIFICATIONS
<br />E0.3
<br />IFP
<br />2.1
<br />3.1
<br />C
|