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MASTER SPECIFICATIONS - ELECTRICAL SPECIFICATIONS
<br />SECTION 260513 - MEDIUM-VOLTAGE CABLES
<br />PART 1 - GENERAL
<br />1. SUMMARY
<br />A. SECTION INCLUDES CABLES AND RELATED CABLE SPLICES, TERMINATIONS, AND ACCESSORIES FOR MEDIUM-VOLTAGE (2001 TO 35,000 V) ELECTRICAL DISTRIBUTION SYSTEMS.
<br />2. SUBMITTALS
<br />B. PRODUCT DATA: FOR EACH TYPE OF CABLE. INCLUDE SPLICES AND TERMINATIONS FOR CABLES AND CABLE ACCESSORIES.
<br />PART 2 - PRODUCTS
<br />2.1 SYSTEM DESCRIPTION
<br />A. ELECTRICAL COMPONENTS, DEVICES, AND ACCESSORIES: LISTED AND LABELED AS DEFINED IN NFPA 70, BY A CERTIFIED NETA TESTING AGENCY, AND MARKED FOR INTENDED LOCATION AND APPLICATION.
<br />B. COMPLY WITH IEEE C2 AND NFPA 70.
<br />C. SOURCE LIMITATIONS: OBTAIN CABLES AND ACCESSORIES FROM SINGLE SOURCE FROM SINGLE MANUFACTURER.
<br />D. MANUFACTURERS
<br />1. GENERAL CABLE
<br />2. KERNITE POWER CABLE
<br />3. OKONITE COMPANY
<br />4. SOUTHWIRE COMPANY
<br />2.2 CABLES
<br />A. CABLE TYPE: TYPE MV 105.
<br />B. CONDUCTOR INSULATION: ETHYLENE-PROPYLENE RUBBER.
<br />1. VOLTAGE RATING: 15 KV.
<br />2. INSULATION THICKNESS: 133 PERCENT INSULATION LEVEL.
<br />C. CONDUCTOR: ALUMINUM.
<br />D. COMPLY WITH UL 1072, AEIC CS8, ICEA S-93-639/NEMA WC 74, AND ICEA S-97-682.
<br />E. CONDUCTOR STRANDING: COMPACT ROUND, CONCENTRIC LAY, CLASS B.
<br />F. STRAND FILLING: CONDUCTOR INTERSTICES ARE FILLED WITH IMPERMEABLE COMPOUND.
<br />G. SHIELDING: COPPER TAPE, HELICALLY APPLIED OVER SEMICONDUCTING INSULATION SHIELD.
<br />H. CABLE JACKET: SUNLIGHT-RESISTANT PVC.
<br />2.3 CONNECTORS
<br />A. COMPLY WITH ANSI C119.4 FOR CONNECTORS BETWEEN ALUMINUM CONDUCTORS OR FOR CONNECTIONS BETWEEN ALUMINUM TO COPPER CONDUCTORS.
<br />2.4 SOLID TERMINATIONS
<br />A. SHIELDED-CABLE TERMINATIONS: COMPLY WITH THE FOLLOWING CLASSES OF IEEE 48. INSULATION CLASS SHALL BE EQUIVALENT TO THAT OF CABLE. INCLUDE SHIELD GROUND STRAP FOR SHIELDED
<br />CABLE TERMINATIONS.
<br />1. CLASS 1 TERMINATIONS: MODULAR TYPE, FURNISHED AS A KIT, WITH STRESS-RELIEF TUBE; MULTIPLE, MOLDED-SILICONE-RUBBER, INSULATOR MODULES; SHIELD GROUND STRAP; AND
<br /> COMPRESSION-TYPE CONNECTOR.
<br />2.5 SEPARABLE INSULATED CONNECTORS
<br />A. DESCRIPTION: MODULAR SYSTEM WITH DISCONNECTING, SINGLE-POLE, CABLE TERMINATORS AND WITH MATCHING, STATIONARY, PLUG-IN, DEAD-FRONT TERMINALS DESIGNED FOR CABLE VOLTAGE AND
<br />FOR SEALING AGAINST MOISTURE.
<br />B. STANDARD: COMPLY WITH IEEE 386.
<br />C. TERMINATIONS AT DISTRIBUTION POINTS: MODULAR TYPE, CONSISTING OF TERMINATORS INSTALLED ON CABLES AND MODULAR, DEAD-FRONT, TERMINAL JUNCTIONS FOR INTERCONNECTING CABLES.
<br />D. LOAD-BREAK CABLE TERMINATORS: ELBOW-TYPE UNITS WITH 200-A-LOAD MAKE/BREAK AND CONTINUOUS-CURRENT RATING; COORDINATED WITH INSULATION DIAMETER, CONDUCTOR SIZE, AND
<br />MATERIAL OF CABLE BEING TERMINATED. INCLUDE TEST POINT ON TERMINATOR BODY THAT IS CAPACITANCE COUPLED.
<br />E. DEAD-BREAK CABLE TERMINATORS: ELBOW-TYPE UNIT WITH 600-A CONTINUOUS-CURRENT RATING; DESIGNED FOR DE-ENERGIZED DISCONNECTING AND CONNECTING; COORDINATED WITH INSULATION
<br />DIAMETER, CONDUCTOR SIZE, AND MATERIAL OF CABLE BEING TERMINATED. INCLUDE TEST POINT ON TERMINATOR BODY THAT IS CAPACITANCE COUPLED.
<br />F. DEAD-FRONT TERMINAL JUNCTIONS: MODULAR BRACKET-MOUNTED GROUPS OF DEAD-FRONT STATIONARY TERMINALS THAT MATE AND MATCH WITH ABOVE CABLE TERMINATORS. TWO-, THREE-, OR
<br />FOUR-TERMINAL UNITS AS INDICATED, WITH FULLY RATED, INSULATED, WATERTIGHT CONDUCTOR CONNECTION BETWEEN TERMINALS AND COMPLETE WITH GROUNDING LUG, MANUFACTURER'S STANDARD
<br />ACCESSORY STANDS, STAINLESS-STEEL MOUNTING BRACKETS, AND ATTACHING HARDWARE.
<br />1. PROTECTIVE CAP: INSULATING, ELECTROSTATIC-SHIELDING, WATER-SEALING CAP WITH DRAIN WIRE.
<br />2. PORTABLE FEED-THROUGH ACCESSORY: TWO-TERMINAL, DEAD-FRONT JUNCTION ARRANGED FOR REMOVABLE MOUNTING ON ACCESSORY STAND OF STATIONARY TERMINAL JUNCTION.
<br />3. GROUNDING KIT: JUMPERED ELBOWS, PORTABLE FEED-THROUGH ACCESSORY UNITS, PROTECTIVE CAPS, TEST RODS SUITABLE FOR CONCURRENTLY GROUNDING THREE PHASES OF FEEDERS,
<br />AND CARRYING CASE.
<br />4. STANDOFF INSULATOR: PORTABLE, SINGLE DEAD-FRONT TERMINAL FOR REMOVABLE MOUNTING ON ACCESSORY STAND OF STATIONARY TERMINAL JUNCTION. INSULATORS SUITABLE FOR
<br />FULLY INSULATED ISOLATION OF ENERGIZED CABLE-ELBOW TERMINATOR.
<br />2.6 SPLICE KITS
<br />A. DESCRIPTION: FOR SPLICING MEDIUM VOLTAGE CABLES; TYPE AS RECOMMENDED BY CABLE OR SPLICING KIT MANUFACTURER FOR THE APPLICATION.
<br />B. STANDARD: COMPLY WITH IEEE 404.
<br />C. SPLICING PRODUCTS: AS RECOMMENDED, IN WRITING, BY SPLICING KIT MANUFACTURER FOR SPECIFIC SIZES, MATERIALS, RATINGS, AND CONFIGURATIONS OF CABLE CONDUCTORS. INCLUDE ALL
<br />COMPONENTS REQUIRED FOR COMPLETE SPLICE, WITH DETAILED INSTRUCTIONS.
<br />2.7 MEDIUM-VOLTAGE TAPES
<br />A. DESCRIPTION: ELECTRICAL GRADE, INSULATING TAPE FOR MEDIUM VOLTAGE APPLICATION.
<br />B. ETHYLENE/PROPYLENE RUBBER-BASED, 30-MIL (0.76-MM) SPLICING TAPE, RATED FOR 130 DEG C OPERATION. MINIMUM 3/4 INCH (20 MM) WIDE.
<br />C. INSULATING-PUTTY, 125-MIL (3.175-MM) ELASTIC FILLER TAPE. MINIMUM 1-1/2 INCHES (38 MM) WIDE.
<br />2.8 ARC-PROOFING MATERIALS
<br />A. TAPE FOR FIRST COURSE ON METAL OBJECTS: 10-MIL- (250-MICROMETER-) THICK, CORROSION-PROTECTIVE, MOISTURE-RESISTANT, PVC PIPE-WRAPPING TAPE.
<br />B. ARC-PROOFING TAPE: FIREPROOF TAPE, FLEXIBLE, CONFORMABLE, INTUMESCENT TO 0.3 INCH (8 MM) THICK, AND COMPATIBLE WITH CABLE JACKET.
<br />2.9 SOURCE QUALITY CONTROL
<br />A. TEST AND INSPECT CABLES ACCORDING TO ICEA S-97-682 BEFORE SHIPPING.
<br />B. TEST STRAND-FILLED CABLES FOR WATER-PENETRATION RESISTANCE ACCORDING TO ICEA T-31-610, USING A TEST PRESSURE OF 5 PSIG (35 KPA).
<br />PART 3 - EXECUTION
<br />3.1 INSTALLATION
<br />A. INSTALL CABLES ACCORDING TO IEEE 576.
<br />B. PROOF CONDUITS PRIOR TO CONDUCTOR INSTALLATION BY PASSING A WIRE BRUSH MANDREL AND THEN A RUBBER DUCT SWAB THROUGH THE CONDUIT. SEPARATE THE WIRE BRUSH AND THE RUBBER
<br />SWAB BY 48 TO 72 INCHES (1200 TO 1800 MM) ON THE PULL ROPE.
<br />1. WIRE BRUSH MANDREL: CONSISTS OF A LENGTH OF BRUSH APPROXIMATELY THE SIZE OF THE CONDUIT INNER DIAMETER WITH STIFF STEEL BRISTLES AND AN EYE ON EACH END FOR
<br />ATTACHING THE PULL ROPES. IF AN OBSTRUCTION IS FELT, PULL THE BRUSH BACK AND FORTH REPEATEDLY TO BREAK UP THE OBSTRUCTION.
<br />2. RUBBER DUCT SWAB: CONSISTS OF A SERIES OF RUBBER DISCS APPROXIMATELY THE SIZE OF THE CONDUIT INNER DIAMETER ON A LENGTH OF STEEL CABLE WITH AN EYE ON EACH END FOR
<br />ATTACHING THE PULL ROPES. PULL THE RUBBER DUCT SWAB THROUGH THE DUCT TO EXTRACT LOOSE DEBRIS FROM THE DUCT.
<br />C. PULL CONDUCTORS: DO NOT EXCEED MANUFACTURER'S RECOMMENDED MAXIMUM PULLING TENSIONS AND SIDEWALL PRESSURE VALUES.
<br />1. WHERE NECESSARY, USE MANUFACTURER-APPROVED PULLING COMPOUND OR LUBRICANT THAT DOES NOT DETERIORATE CONDUCTOR OR INSULATION.
<br />2. USE PULLING MEANS, INCLUDING FISH TAPE, CABLE, ROPE, AND BASKET-WEAVE CABLE GRIPS, THAT DO NOT DAMAGE CABLES AND RACEWAYS. DO NOT USE ROPE HITCHES FOR PULLING
<br />ATTACHMENT TO CABLE.
<br />3. USE PULL-IN GUIDES, CABLE FEEDERS, AND DRAW-IN PROTECTORS AS REQUIRED TO PROTECT CABLES DURING INSTALLATION.
<br />4. DO NOT PULL CABLES WITH ENDS UNSEALED. SEAL CABLE ENDS WITH RUBBER TAPE.
<br />D. IN MANHOLES, HANDHOLES, PULL BOXES, JUNCTION BOXES, AND CABLE VAULTS, TRAIN CABLES AROUND WALLS BY THE LONGEST ROUTE FROM ENTRY TO EXIT; SUPPORT CABLES AT INTERVALS
<br />ADEQUATE TO PREVENT SAG.
<br />E. INSTALL SUFFICIENT CABLE LENGTH TO REMOVE CABLE ENDS UNDER PULLING GRIPS. REMOVE LENGTH OF CONDUCTOR DAMAGED DURING PULLING.
<br />F. INSTALL CABLE SPLICES AT PULL POINTS AND ELSEWHERE AS INDICATED; USE STANDARD KITS. USE DEAD-FRONT SEPARABLE WATERTIGHT CONNECTORS IN MANHOLES AND OTHER LOCATIONS SUBJECT
<br />TO WATER INFILTRATION.
<br />G. INSTALL SEPARABLE INSULATED-CONNECTOR COMPONENTS AS FOLLOWS:
<br />1. PROTECTIVE CAP: AT EACH TERMINAL JUNCTION, WITH ONE ON EACH TERMINAL TO WHICH NO FEEDER IS INDICATED TO BE CONNECTED.
<br />2. PORTABLE FEED-THROUGH ACCESSORY: AT EACH TERMINAL JUNCTION, WITH ONE ON EACH TERMINAL.
<br />3. STANDOFF INSULATOR: AT EACH TERMINAL JUNCTION, WITH ONE ON EACH TERMINAL.
<br />H. ARC PROOFING: UNLESS OTHERWISE INDICATED, ARC PROOF MEDIUM-VOLTAGE CABLE AT LOCATIONS NOT PROTECTED BY CONDUIT, CABLE TRAY, DIRECT BURIAL, OR TERMINATION MATERIALS. IN
<br />ADDITION TO ARC-PROOFING TAPE MANUFACTURER'S WRITTEN INSTRUCTIONS, APPLY ARC PROOFING AS FOLLOWS:
<br />1. CLEAN CABLE SHEATH.
<br />2. WRAP METALLIC CABLE COMPONENTS WITH 10-MIL (250-MICROMETER) PIPE-WRAPPING TAPE.
<br />3. SMOOTH SURFACE CONTOURS WITH ELECTRICAL INSULATION PUTTY.
<br />4. APPLY ARC-PROOFING TAPE IN ONE HALF-LAPPED LAYER WITH COATED SIDE TOWARD CABLE.
<br />5. BAND ARC-PROOFING TAPE WITH TWO LAYERS OF 1-INCH- (25-MM-) WIDE HALF-LAPPED, ADHESIVE, GLASS-CLOTH TAPE AT EACH END OF THE ARC-PROOF TAPE.
<br />I. GROUND SHIELDS OF SHIELDED CABLE AT TERMINATIONS, SPLICES, AND SEPARABLE INSULATED CONNECTORS. GROUND METAL BODIES OF TERMINATORS, SPLICES, CABLE AND SEPARABLE INSULATED-
<br />CONNECTOR FITTINGS, AND HARDWARE.
<br />J. GROUND SHIELDS OF SHIELDED CABLE AT ONE POINT ONLY. MAINTAIN SHIELD CONTINUITY AND CONNECTIONS TO METAL CONNECTION HARDWARE AT ALL CONNECTION POINTS.
<br />K. IDENTIFY CABLES ACCORDING TO SECTION 260553 "IDENTIFICATION FOR ELECTRICAL SYSTEMS." IDENTIFY PHASE AND CIRCUIT NUMBER OF EACH CONDUCTOR AT EACH SPLICE, TERMINATION, PULL POINT,
<br />AND JUNCTION BOX. ARRANGE IDENTIFICATION SO THAT IT IS UNNECESSARY TO MOVE THE CABLE OR CONDUCTOR TO READ THE IDENTIFICATION.
<br />3.2 FIELD QUALITY CONTROL
<br />A.THE FOLLOWING TESTS AND INSPECTIONS SHALL BE PREFORMED BY A NETA CERTIFIED TESTING AGENCY:
<br />1. PERFORM EACH VISUAL AND MECHANICAL INSPECTION AND ELECTRICAL TEST STATED IN NETA ATS. CERTIFY COMPLIANCE WITH TEST PARAMETERS.
<br />2. AFTER INSTALLING MEDIUM-VOLTAGE CABLES AND BEFORE ELECTRICAL CIRCUITRY HAS BEEN ENERGIZED, TEST FOR COMPLIANCE WITH REQUIREMENTS.
<br />3. PERFORM PARTIAL DISCHARGE TEST OF EACH NEW CONDUCTOR ACCORDING TO NETA ATS, CH. 7.3.3 AND TO TEST EQUIPMENT MANUFACTURER'S RECOMMENDATIONS.
<br />4. PERFORM TAN DELTA AND WITHSTAND TEST OF EACH NEW CONDUCTOR ACCORDING TO NETA ATS, CH. 7.3.3 AND IEEE 400.2 TO TEST EQUIPMENT MANUFACTURER'S RECOMMENDATIONS.
<br />B. PREPARE TEST AND INSPECTION REPORTS.
<br />END OF SECTION 260513
<br />SECTION 260519 - LOW-VOLTAGE ELECTRICAL POWER CONDUCTORS AND CABLES
<br />PART 1 - GENERAL
<br />1.1 SUMMARY
<br />A. SECTION INCLUDES:
<br />1. COPPER BUILDING WIRE RATED 600 V OR LESS.
<br />2. ALUMINUM BUILDING WIRE RATED 600 V OR LESS.
<br />3. CONNECTORS, SPLICES, AND TERMINATIONS RATED 600 V AND LESS.
<br />1.2 SUBMITTALS
<br />A. PRODUCT DATA: FOR EACH TYPE OF PRODUCT.
<br />PART 2 - PRODUCTS
<br />2.1 MANUFACTURERS
<br />A. BELDEN INC.
<br />B. GENERAL CABLE
<br />C. OKONITE COMPANY
<br />D. SERVICE WIRE COMPANY
<br />E. SOUTHWIRE COMPANY
<br />2.2 COPPER BUILDING WIRE
<br />A. DESCRIPTION: FLEXIBLE, INSULATED AND UNINSULATED, DRAWN COPPER CURRENT-CARRYING CONDUCTOR WITH AN OVERALL INSULATION LAYER OR JACKET, OR BOTH, RATED 600 V OR LESS.
<br />B. STANDARDS:
<br />1. LISTED AND LABELED AS DEFINED IN NFPA 70, BY A QUALIFIED TESTING AGENCY, AND MARKED FOR INTENDED LOCATION AND USE.
<br />2. ROHS COMPLIANT.
<br />3. CONDUCTOR AND CABLE MARKING: COMPLY WITH WIRE AND CABLE MARKING ACCORDING TO UL'S "WIRE AND CABLE MARKING AND APPLICATION GUIDE."
<br />C. CONDUCTORS: COPPER, COMPLYING WITH ASTM B3 FOR BARE ANNEALED COPPER AND WITH ASTM B496 FOR STRANDED CONDUCTORS.
<br />D. CONDUCTOR INSULATION:
<br />1. TYPE NM: COMPLY WITH UL 83 AND UL 719.
<br />2. TYPE THHN AND TYPE THWN-2: COMPLY WITH UL 83.
<br />3. TYPE XHHW-2: COMPLY WITH UL 44.
<br />2.3 ALUMINUM BUILDING WIRE
<br />A. DESCRIPTION: FLEXIBLE, INSULATED AND UNINSULATED, DRAWN ALUMINUM CURRENT-CARRYING CONDUCTOR WITH AN OVERALL INSULATION LAYER OR JACKET, OR BOTH, RATED 600 V OR LESS.
<br />B. STANDARDS:
<br />1. LISTED AND LABELED AS DEFINED IN NFPA 70, BY A QUALIFIED TESTING AGENCY, AND MARKED FOR INTENDED LOCATION AND USE.
<br />2. ROHS COMPLIANT.
<br />3. CONDUCTOR AND CABLE MARKING: COMPLY WITH WIRE AND CABLE MARKING ACCORDING TO UL'S "WIRE AND CABLE MARKING AND APPLICATION GUIDE."
<br />C. CONDUCTORS: ALUMINUM, COMPLYING WITH ASTM B800 AND ASTM B801.
<br />D. CONDUCTOR INSULATION:
<br />1. TYPE NM: COMPLY WITH UL 83 AND UL 719.
<br />2. TYPE THHN AND TYPE THWN-2: COMPLY WITH UL 83.
<br />3. TYPE XHHW-2: COMPLY WITH UL 44.
<br />2.4 CONNECTORS AND SPLICES
<br />A. DESCRIPTION: FACTORY-FABRICATED CONNECTORS, SPLICES, AND LUGS OF SIZE, AMPACITY RATING, MATERIAL, TYPE, AND CLASS FOR APPLICATION AND SERVICE INDICATED; LISTED AND LABELED AS
<br />DEFINED IN NFPA 70, BY A QUALIFIED TESTING AGENCY, AND MARKED FOR INTENDED LOCATION AND USE.
<br />B. JACKETED CABLE CONNECTORS: FOR STEEL JACKETED CABLES, ZINC DIE-CAST WITH SET SCREWS, DESIGNED TO CONNECT CONDUCTORS SPECIFIED.
<br />C. LUGS: ONE PIECE, SEAMLESS, DESIGNED TO TERMINATE CONDUCTORS SPECIFIED IN THIS SECTION.
<br />1. MATERIAL: COPPER OR ALUMINUM.
<br />2. TYPE: TWO HOLE WITH STANDARD BARRELS.
<br />3. TERMINATION: COMPRESSION.
<br />PART 3 - EXECUTION
<br />3.1 CONDUCTOR MATERIAL APPLICATIONS
<br />A. FEEDERS: COPPER; SOLID FOR NO. 10 AWG AND SMALLER; STRANDED FOR NO. 8 AWG AND LARGER.
<br />B. FEEDERS: COPPER FOR FEEDERS SMALLER THAN NO. 4 AWG; COPPER OR ALUMINUM FOR FEEDERS NO. 4 AWG AND LARGER. CONDUCTORS SHALL BE SOLID FOR NO. 10 AWG AND SMALLER; STRANDED
<br />FOR NO. 8 AWG AND LARGER.
<br />C. BRANCH CIRCUITS: COPPER. SOLID FOR NO. 10 AWG AND SMALLER; STRANDED FOR NO. 8 AWG AND LARGER.
<br />3.2 CONDUCTOR INSULATION AND MULTICONDUCTOR CABLE APPLICATIONS AND WIRING METHODS
<br />A. SERVICE ENTRANCE: TYPE XHHW-2, SINGLE CONDUCTORS IN RACEWAY.
<br />B. EXPOSED FEEDERS: TYPE XHHW-2, SINGLE CONDUCTORS IN RACEWAY.
<br />C. FEEDERS CONCEALED IN CONCRETE, BELOW SLABS-ON-GRADE, AND UNDERGROUND: TYPE THHN/THWN-2, SINGLE CONDUCTORS IN RACEWAY.
<br />D. EXPOSED BRANCH CIRCUITS: TYPE THHN/THWN-2, SINGLE CONDUCTORS IN RACEWAY.
<br />E. BRANCH CIRCUITS CONCEALED IN CONCRETE, BELOW SLABS-ON-GRADE, AND UNDERGROUND: TYPE THHN/THWN-2, SINGLE CONDUCTORS IN RACEWAY.
<br />3.3 INSTALLATION OF CONDUCTORS AND CABLES
<br />A. COMPLETE RACEWAY INSTALLATION BETWEEN CONDUCTOR AND CABLE TERMINATION POINTS ACCORDING TO SECTION 260533 "RACEWAYS AND BOXES FOR ELECTRICAL SYSTEMS" PRIOR TO PULLING
<br />CONDUCTORS AND CABLES.
<br />B. USE MANUFACTURER-APPROVED PULLING COMPOUND OR LUBRICANT WHERE NECESSARY; COMPOUND USED MUST NOT DETERIORATE CONDUCTOR OR INSULATION. DO NOT EXCEED MANUFACTURER'S
<br />RECOMMENDED MAXIMUM PULLING TENSIONS AND SIDEWALL PRESSURE VALUES.
<br />C. USE PULLING MEANS, INCLUDING FISH TAPE, CABLE, ROPE, AND BASKET-WEAVE WIRE/CABLE GRIPS, THAT WILL NOT DAMAGE CABLES OR RACEWAY.
<br />SECTION 260519 - LOW-VOLTAGE ELECTRICAL POWER CONDUCTORS AND CABLES (CONTINUED)
<br />3.4 CONNECTIONS
<br />A. TIGHTEN ELECTRICAL CONNECTORS AND TERMINALS ACCORDING TO MANUFACTURER'S PUBLISHED TORQUE-TIGHTENING VALUES. IF MANUFACTURER'S TORQUE VALUES ARE NOT INDICATED, USE THOSE
<br />SPECIFIED IN UL 486A-486B.
<br />B. MAKE SPLICES, TERMINATIONS, AND TAPS THAT ARE COMPATIBLE WITH CONDUCTOR MATERIAL AND THAT POSSESS EQUIVALENT OR BETTER MECHANICAL STRENGTH AND INSULATION RATINGS THAN
<br />UNSPLICED CONDUCTORS.
<br />1. USE OXIDE INHIBITOR IN EACH SPLICE, TERMINATION, AND TAP FOR ALUMINUM CONDUCTORS.
<br />3.5 IDENTIFICATION
<br />A. IDENTIFY AND COLOR-CODE CONDUCTORS AND CABLES ACCORDING TO SECTION 260553 "IDENTIFICATION FOR ELECTRICAL SYSTEMS."
<br />B. IDENTIFY EACH SPARE CONDUCTOR AT EACH END WITH IDENTITY NUMBER AND LOCATION OF OTHER END OF CONDUCTOR AND IDENTIFY AS SPARE CONDUCTOR.
<br />3.6 FIRESTOPPING
<br />A. APPLY FIRESTOPPING TO ELECTRICAL PENETRATIONS OF FIRE-RATED FLOOR AND WALL ASSEMBLIES TO RESTORE ORIGINAL FIRE-RESISTANCE RATING OF ASSEMBLY.
<br />END OF SECTION 260519
<br />SECTION 260526 - GROUNDING AND BONDING FOR ELECTRICAL SYSTEMS
<br />PART 1 - GENERAL
<br />1.1 SUMMARY
<br />A. SECTION INCLUDES GROUNDING AND BONDING SYSTEMS AND EQUIPMENT.
<br />B. SECTION INCLUDES GROUNDING AND BONDING SYSTEMS AND EQUIPMENT, PLUS THE FOLLOWING SPECIAL APPLICATIONS:
<br />1. UNDERGROUND DISTRIBUTION GROUNDING.
<br />2. GROUND BONDING COMMON WITH LIGHTNING PROTECTION SYSTEM.
<br />3. FOUNDATION STEEL ELECTRODES.
<br />1.2 SUBMITTALS
<br />A. PRODUCT DATA: FOR EACH TYPE OF PRODUCT.
<br />B. OPERATION AND MAINTENANCE DATA.
<br />1. PLANS SHOWING AS-BUILT, DIMENSIONED LOCATIONS OF SYSTEM DESCRIBED IN "FIELD QUALITY CONTROL" ARTICLE, INCLUDING THE FOLLOWING:
<br />1.1 GROUND RODS.
<br />1.2 GROUND RINGS.
<br />1.3 GROUNDING ARRANGEMENTS AND CONNECTIONS FOR SEPARATELY DERIVED SYSTEMS.
<br />PART 2 - PRODUCTS
<br />2.1 SYSTEM DESCRIPTION
<br />A. ELECTRICAL COMPONENTS, DEVICES, AND ACCESSORIES: LISTED AND LABELED AS DEFINED IN NFPA 70, BY A QUALIFIED TESTING AGENCY, AND MARKED FOR INTENDED LOCATION AND APPLICATION.
<br />B. COMPLY WITH UL 467 FOR GROUNDING AND BONDING MATERIALS AND EQUIPMENT.
<br />2.2 CONDUCTORS
<br />A. INSULATED CONDUCTORS: COPPER OR ALUMINUM WIRE OR CABLE INSULATED FOR 600 V UNLESS OTHERWISE REQUIRED BY APPLICABLE CODE OR AUTHORITIES HAVING JURISDICTION.
<br />B. BARE COPPER CONDUCTORS:
<br />1. SOLID COPPER CONDUCTORS: ASTM B3.
<br />2. STRANDED COPPER CONDUCTORS: ASTM B496.
<br />3. ALUMINUM CONDUCTORS: ASTM B800 AND ASTM B801.
<br />4. THWN-2 INSULATION COMPLYING WITH UL 83 OR XHHW-2 INSULATION COMPLYING WITH UL 44.
<br />5. GROUNDING ELECTRODE CONDUCTOR OR BONDING JUMPER: SIZED PER NFPA 70 TABLE 250.66.
<br />6. SUPPLY-SIDE BONDING JUMPER: SIZED PER NFPA 70 TABLE 250.102(C)(1).
<br />7. EQUIPMENT GROUNDING CONDUCTOR: SIZED PER NFPA 70 TABLE 250.122.
<br />2.3 CONNECTORS
<br />A. LISTED AND LABELED BY AN NRTL ACCEPTABLE TO AUTHORITIES HAVING JURISDICTION FOR APPLICATIONS IN WHICH USED AND FOR SPECIFIC TYPES, SIZES, AND COMBINATIONS OF CONDUCTORS AND
<br />B. OTHER ITEMS CONNECTED.
<br />C. WELDED CONNECTORS: EXOTHERMIC-WELDING KITS OF TYPES RECOMMENDED BY KIT MANUFACTURER FOR MATERIALS BEING JOINED AND INSTALLATION CONDITIONS.
<br />D. BUS-BAR CONNECTORS: MECHANICAL TYPE, CAST SILICON BRONZE, SOLDERLESS COMPRESSION-TYPE WIRE TERMINALS, AND LONG-BARREL, TWO-BOLT CONNECTION TO GROUND BUS BAR.
<br />E. CABLE-TO-CABLE CONNECTORS: COMPRESSION TYPE, COPPER OR COPPER ALLOY.
<br />F. CONDUIT HUBS: MECHANICAL TYPE, TERMINAL WITH THREADED HUB.
<br />G. GROUND ROD CLAMPS: MECHANICAL TYPE, COPPER OR COPPER ALLOY, TERMINAL WITH HEX HEAD BOLT.
<br />2.4 GROUNDING ELECTRODES
<br />A. GROUND RODS: COPPER-CLAD STEEL, SECTIONAL TYPE; 5/8 BY 96 INCHES (16 BY 2400 MM).
<br />PART 3 - EXECUTION
<br />3.1 APPLICATIONS
<br />A. CONDUCTORS: INSTALL SOLID CONDUCTOR FOR NO. 8 AWG AND SMALLER, AND STRANDED CONDUCTORS FOR NO. 6 AWG AND LARGER UNLESS OTHERWISE INDICATED.
<br />B. UNDERGROUND GROUNDING CONDUCTORS: INSTALL BARE COPPER CONDUCTOR, NO. 2/0 AWG MINIMUM. BURY AT LEAST 30 INCHES (750 MM) BELOW GRADE.
<br />C. CONDUCTOR TERMINATIONS AND CONNECTIONS:
<br />1. GROUNDING CONDUCTOR TERMINATIONS: BOLTED CONNECTORS.
<br />2. UNDERGROUND CONNECTIONS: WELDED CONNECTORS EXCEPT AS OTHERWISE INDICATED.
<br />3.2 GROUNDING AT THE SERVICE
<br />A. EQUIPMENT GROUNDING CONDUCTORS AND GROUNDING ELECTRODE CONDUCTORS SHALL BE CONNECTED TO THE GROUND BUS. INSTALL A MAIN BONDING JUMPER BETWEEN THE NEUTRAL AND
<br />GROUND BUSES.
<br />B. PAD-MOUNTED SWITCHES AND SWITCHGEAR: INSTALL TWO GROUND RODS AND GROUND RING AROUND THE PAD. GROUND PAD-MOUNTED EQUIPMENT AND NONCURRENT-CARRYING METAL ITEMS BY
<br />CONNECTING THEM TO UNDERGROUND CABLE AND GROUNDING ELECTRODES. INSTALL TINNED-COPPER CONDUCTOR NOT LESS THAN NO. 2 AWG FOR GROUND RING AND FOR TAPS TO EQUIPMENT
<br />GROUNDING TERMINALS. BURY GROUND RING NOT LESS THAN 6 INCHES (150 MM) FROM THE FOUNDATION.
<br />3.3 EQUIPMENT GROUNDING
<br />A. INSTALL INSULATED EQUIPMENT GROUNDING CONDUCTORS OR SUPPLY-SIDE BONDING JUMPERS WITH ALL FEEDERS AND BRANCH CIRCUITS.
<br />B. INSTALL GROUNDING ELECTRODE(S) AT SWITCHBOARD AND PANEL LOCATIONS INDICATED. EQUIPMENT GROUNDING CONDUCTORS AND GROUNDING ELECTRODE CONDUCTORS SHALL BE CONNECTED TO
<br />THE GROUND BUS. INSTALL A MAIN BONDING JUMPER BETWEEN THE NEUTRAL AND GROUND BUSES AT SERVICE AND SEPARATELY DERIVED SYSTEMS WHERE INDICATED.
<br />3.4 INSTALLATION
<br />A. GROUNDING CONDUCTORS: ROUTE ALONG SHORTEST AND STRAIGHTEST PATHS POSSIBLE UNLESS OTHERWISE INDICATED OR REQUIRED BY CODE. AVOID OBSTRUCTING ACCESS OR PLACING
<br />CONDUCTORS WHERE THEY MAY BE SUBJECTED TO STRAIN, IMPACT, OR DAMAGE.
<br />B. GROUND RODS: DRIVE RODS UNTIL TOPS ARE 2 INCHES (50 MM) BELOW FINISHED FLOOR OR FINAL GRADE UNLESS OTHERWISE INDICATED. INTERCONNECT GROUND RODS WITH GROUNDING ELECTRODE
<br />CONDUCTOR BELOW GRADE. MAKE CONNECTIONS WITHOUT EXPOSING STEEL OR DAMAGING COATING IF ANY.
<br /> 3.5 FIELD QUALITY CONTROL
<br />A. TESTS AND INSPECTIONS:
<br />1. AFTER INSTALLING GROUNDING SYSTEM BUT BEFORE PERMANENT ELECTRICAL CIRCUITS HAVE BEEN ENERGIZED, TEST FOR COMPLIANCE WITH REQUIREMENTS.
<br />2. INSPECT PHYSICAL AND MECHANICAL CONDITION. VERIFY TIGHTNESS OF ACCESSIBLE, BOLTED, ELECTRICAL CONNECTIONS WITH A CALIBRATED TORQUE WRENCH ACCORDING TO
<br />MANUFACTURER'S WRITTEN INSTRUCTIONS.
<br />3. TEST COMPLETED GROUNDING SYSTEM AT EACH GROUNDING ELECTRODE CONNECTION POINT AND INDIVIDUAL GROUND RODS. MAKE TESTS AT GROUND RODS BEFORE ANY CONDUCTORS
<br />ARE CONNECTED.
<br />a. MEASURE GROUND RESISTANCE NO FEWER THAN TWO FULL DAYS AFTER LAST TRACE OF PRECIPITATION AND WITHOUT SOIL BEING MOISTENED BY ANY MEANS OTHER THAN
<br />NATURAL DRAINAGE OR SEEPAGE AND WITHOUT CHEMICAL TREATMENT OR OTHER ARTIFICIAL MEANS OF REDUCING NATURAL GROUND RESISTANCE.
<br />b. PERFORM TESTS BY FALL-OF-POTENTIAL METHOD ACCORDING TO IEEE 81.
<br />B. PREPARE TEST AND INSPECTION REPORTS.
<br />C. REPORT MEASURED GROUND RESISTANCES THAT EXCEED THE FOLLOWING VALUES:
<br />1. POWER EQUIPMENT OR SYSTEM WITH CAPACITY OF 500 KVA AND LESS: 10 OHMS.
<br />2. POWER EQUIPMENT OR SYSTEM WITH CAPACITY OF 500 TO 1000 KVA: 5 OHMS.
<br />3. POWER EQUIPMENT OR SYSTEM WITH CAPACITY MORE THAN 1000 KVA: 3 OHMS.
<br />D. EXCESSIVE GROUND RESISTANCE: IF RESISTANCE TO GROUND EXCEEDS SPECIFIED VALUES, NOTIFY ENGINEER PROMPTLY AND INCLUDE RECOMMENDATIONS TO REDUCE GROUND RESISTANCE.
<br />END OF SECTION 260526
<br />SECTION 260529 - HANGERS AND SUPPORTS FOR ELECTRICAL SYSTEMS
<br />PART 1 - GENERAL
<br />1,1 SUMMARY
<br />A. SECTION INCLUDES:
<br />1. STEEL SLOTTED SUPPORT SYSTEMS.
<br />2. CONDUIT AND CABLE SUPPORT DEVICES.
<br />3. SUPPORT FOR CONDUCTORS IN VERTICAL CONDUIT.
<br />4. STRUCTURAL STEEL FOR FABRICATED SUPPORTS AND RESTRAINTS.
<br />5. MOUNTING, ANCHORING, AND ATTACHMENT COMPONENTS, INCLUDING POWDER-ACTUATED FASTENERS, MECHANICAL EXPANSION ANCHORS, CONCRETE INSERTS, CLAMPS, THROUGH BOLTS,
<br />TOGGLE BOLTS, AND HANGER RODS.
<br />B. RELATED REQUIREMENTS:
<br />1. SECTION 260548.16 "SEISMIC CONTROLS FOR ELECTRICAL SYSTEMS" FOR PRODUCTS AND INSTALLATION REQUIREMENTS NECESSARY FOR COMPLIANCE WITH SEISMIC CRITERIA.
<br />1.2 SUBMITTALS
<br />A. PRODUCT DATA: FOR EACH TYPE OF PRODUCT.
<br />B. SHOP DRAWINGS: FOR FABRICATION AND INSTALLATION DETAILS FOR ELECTRICAL SUPPORT SYSTEMS.
<br />1. SLOTTED SUPPORT SYSTEMS.
<br />2. EQUIPMENT SUPPORTS.
<br />3. VIBRATION ISOLATION BASE DETAILS: DETAIL FABRICATION INCLUDING ANCHORAGES AND ATTACHMENTS TO STRUCTURE AND TO SUPPORTED EQUIPMENT. INCLUDE ADJUSTABLE MOTOR
<br />BASES, RAILS, AND FRAMES FOR EQUIPMENT MOUNTING.
<br />1.3 QUALITY ASSURANCE
<br />A. WELDING QUALIFICATIONS: QUALIFY PROCEDURES AND PERSONNEL ACCORDING TO THE FOLLOWING:
<br />1. AWS D1.1/D1.1M.
<br />2. AWS D1.2/D1.2M.
<br />PART 2 - PRODUCTS
<br />2.1 PERFORMANCE REQUIREMENTS
<br />A. SEISMIC PERFORMANCE: HANGERS AND SUPPORTS SHALL WITHSTAND THE EFFECTS OF EARTHQUAKE MOTIONS DETERMINED ACCORDING TO ASCE/SEI 7. THE TERM "WITHSTAND" MEANS "THE
<br />SUPPORTED EQUIPMENT AND SYSTEMS WILL REMAIN IN PLACE WITHOUT SEPARATION OF ANY PARTS WHEN SUBJECTED TO THE SEISMIC FORCES SPECIFIED.
<br />2.2 SUPPORT, ANCHORAGE, AND ATTACHMENT COMPONENTS
<br />A. STEEL SLOTTED SUPPORT SYSTEMS: PREFORMED STEEL CHANNELS AND ANGLES WITH MINIMUM 13/32-INCH- (10-MM-) DIAMETER HOLES AT A MAXIMUM OF 8 INCHES (200 MM) O.C. IN AT LEAST ONE
<br />SURFACE.
<br />1. STANDARD: COMPLY WITH MFMA-4 FACTORY-FABRICATED COMPONENTS FOR FIELD ASSEMBLY.
<br />2. MATERIAL FOR CHANNEL, FITTINGS, AND ACCESSORIES: GALVANIZED STEEL.
<br />3. CHANNEL WIDTH: SELECTED FOR APPLICABLE LOAD CRITERIA.
<br />4. METALLIC COATINGS: HOT-DIP GALVANIZED AFTER FABRICATION AND APPLIED ACCORDING TO MFMA-4.
<br />5. PROTECT FINISHES ON EXPOSED SURFACES FROM DAMAGE BY APPLYING A STRIPPABLE, TEMPORARY PROTECTIVE COVERING BEFORE SHIPPING.
<br />B. CONDUIT AND CABLE SUPPORT DEVICES: STEEL AND MALLEABLE-IRON HANGERS, CLAMPS, AND ASSOCIATED FITTINGS, DESIGNED FOR TYPES AND SIZES OF RACEWAY OR CABLE TO BE SUPPORTED.
<br />C. SUPPORT FOR CONDUCTORS IN VERTICAL CONDUIT: FACTORY-FABRICATED ASSEMBLY CONSISTING OF THREADED BODY AND INSULATING WEDGING PLUG OR PLUGS FOR NONARMORED ELECTRICAL
<br />CONDUCTORS OR CABLES IN RISER CONDUITS. PLUGS SHALL HAVE NUMBER, SIZE, AND SHAPE OF CONDUCTOR GRIPPING PIECES AS REQUIRED TO SUIT INDIVIDUAL CONDUCTORS OR CABLES SUPPORTED.
<br />BODY SHALL BE MADE OF MALLEABLE IRON.
<br />D. STRUCTURAL STEEL FOR FABRICATED SUPPORTS AND RESTRAINTS: ASTM A36/A36M STEEL PLATES, SHAPES, AND BARS; BLACK AND GALVANIZED.
<br />E. MOUNTING, ANCHORING, AND ATTACHMENT COMPONENTS: ITEMS FOR FASTENING ELECTRICAL ITEMS OR THEIR SUPPORTS TO BUILDING SURFACES INCLUDE THE FOLLOWING:
<br />1. POWDER-ACTUATED FASTENERS: THREADED-STEEL STUD, FOR USE IN HARDENED PORTLAND CEMENT CONCRETE, STEEL, OR WOOD, WITH TENSION, SHEAR, AND PULLOUT CAPACITIES
<br />APPROPRIATE FOR SUPPORTED LOADS AND BUILDING MATERIALS WHERE USED.
<br />2. MECHANICAL-EXPANSION ANCHORS: INSERT-WEDGE-TYPE, ZINC-COATED STEEL, FOR USE IN HARDENED PORTLAND CEMENT CONCRETE, WITH TENSION, SHEAR, AND PULLOUT CAPACITIES
<br />APPROPRIATE FOR SUPPORTED LOADS AND BUILDING MATERIALS WHERE USED.
<br />3. CONCRETE INSERTS: STEEL OR MALLEABLE-IRON, SLOTTED SUPPORT SYSTEM UNITS ARE SIMILAR TO MSS TYPE 18 UNITS AND COMPLY WITH MFMA-4 OR MSS SP-58.
<br />4. THROUGH BOLTS: STRUCTURAL TYPE, HEX HEAD, AND HIGH STRENGTH. COMPLY WITH ASTM F3125/F3125M, GRADE A325 (GRADE A325M).
<br />5. TOGGLE BOLTS: ALL-STEEL SPRINGHEAD TYPE.
<br />6. HANGER RODS: THREADED STEEL.
<br />PART 3 - EXECUTION
<br />3.1 APPLICATION
<br />A. COMPLY WITH THE FOLLOWING STANDARDS FOR APPLICATION AND INSTALLATION REQUIREMENTS OF HANGERS AND SUPPORTS, EXCEPT WHERE REQUIREMENTS ON DRAWINGS OR IN THIS SECTION ARE
<br />STRICTER:
<br />1 NECA 1.
<br />2. NECA 101.
<br />3. NECA 102.
<br />4. NECA 105.
<br />5. NECA 111.
<br />B. COMPLY WITH REQUIREMENTS FOR RACEWAYS AND BOXES SPECIFIED IN SECTION 260533 "RACEWAYS AND BOXES FOR ELECTRICAL SYSTEMS."
<br />C. MAXIMUM SUPPORT SPACING AND MINIMUM HANGER ROD SIZE FOR RACEWAYS: SPACE SUPPORTS FOR EMT, IMC, AND RMC AS REQUIRED BY NFPA 70. MINIMUM ROD SIZE SHALL BE 1/4 INCH (6 MM) IN
<br />DIAMETER.
<br />D. MULTIPLE RACEWAYS OR CABLES: INSTALL SUPPORTS FABRICATED WITH STEEL SLOTTED OR OTHER SUPPORT SYSTEM, SIZED SO CAPACITY CAN BE INCREASED BY AT LEAST 25 PERCENT AT A LATER
<br />DATE WITHOUT EXCEEDING SPECIFIED DESIGN LOAD LIMITS.
<br />1. SECURE RACEWAYS AND CABLES TO THESE SUPPORTS WITH TWO-BOLT CONDUIT CLAMPS.
<br />E. SPRING-STEEL CLAMPS DESIGNED FOR SUPPORTING SINGLE CONDUITS WITHOUT BOLTS MAY BE USED FOR 1-1/2-INCH (38-MM) AND SMALLER RACEWAYS SERVING BRANCH CIRCUITS, AND FOR
<br />FASTENING RACEWAYS TO TRAPEZE SUPPORTS.
<br />3.2 SUPPORT INSTALLATION
<br />A. COMPLY WITH NECA 1 AND NECA 101 FOR INSTALLATION REQUIREMENTS EXCEPT AS SPECIFIED IN THIS ARTICLE.
<br />B. RACEWAY SUPPORT METHODS: IN ADDITION TO METHODS DESCRIBED IN NECA 1, EMT, IMC, AND RMC MAY BE SUPPORTED BY OPENINGS THROUGH STRUCTURE MEMBERS, ACCORDING TO NFPA 70.
<br />C. STRENGTH OF SUPPORT ASSEMBLIES: WHERE NOT INDICATED, SELECT SIZES OF COMPONENTS SO STRENGTH WILL BE ADEQUATE TO CARRY PRESENT AND AT A LATER DATE STATIC LOADS WITHIN
<br />SPECIFIED LOADING LIMITS. MINIMUM STATIC DESIGN LOAD USED FOR STRENGTH DETERMINATION SHALL BE WEIGHT OF SUPPORTED COMPONENTS PLUS 200 LB (90 KG).
<br />D. MOUNTING AND ANCHORAGE OF SURFACE-MOUNTED EQUIPMENT AND COMPONENTS: ANCHOR AND FASTEN ELECTRICAL ITEMS AND THEIR SUPPORTS TO BUILDING STRUCTURAL ELEMENTS BY THE
<br />FOLLOWING METHODS UNLESS OTHERWISE INDICATED BY CODE:
<br />1. TO NEW CONCRETE: BOLT TO CONCRETE INSERTS.
<br />2. TO MASONRY: APPROVED TOGGLE-TYPE BOLTS ON HOLLOW MASONRY UNITS AND EXPANSION ANCHOR FASTENERS ON SOLID MASONRY UNITS.
<br />3. TO EXISTING CONCRETE: EXPANSION ANCHOR FASTENERS.
<br />4. INSTEAD OF EXPANSION ANCHORS, POWDER-ACTUATED DRIVEN THREADED STUDS PROVIDED WITH LOCK WASHERS AND NUTS MAY BE USED IN EXISTING STANDARD-WEIGHT CONCRETE 4
<br />INCHES (100 MM) THICK OR GREATER. DO NOT USE FOR ANCHORAGE TO LIGHTWEIGHT-AGGREGATE CONCRETE OR FOR SLABS LESS THAN 4 INCHES (100 MM) THICK.
<br />5. TO STEEL: WELDED THREADED STUDS COMPLYING WITH AWS D1.1/D1.1M, WITH LOCK WASHERS AND NUTS.
<br />6. TO LIGHT STEEL: SHEET METAL SCREWS.
<br />7. ITEMS MOUNTED ON HOLLOW WALLS AND NONSTRUCTURAL BUILDING SURFACES: MOUNT CABINETS, PANELBOARDS, DISCONNECT SWITCHES, CONTROL ENCLOSURES, PULL AND JUNCTION
<br />BOXES, TRANSFORMERS, AND OTHER DEVICES ON SLOTTED-CHANNEL RACKS ATTACHED TO SUBSTRATE BY MEANS THAT COMPLY WITH SEISMIC-RESTRAINT STRENGTH AND ANCHORAGE
<br />REQUIREMENTS.
<br />E. DRILL HOLES FOR EXPANSION ANCHORS IN CONCRETE AT LOCATIONS AND TO DEPTHS THAT AVOID THE NEED FOR REINFORCING BARS.
<br />END OF SECTION 260569
<br />1.
<br />2.
<br />3.
<br />4.
<br />5.
<br />1.
<br />2.
<br />3.
<br />4.
<br />a.
<br />b.
<br />5.
<br />1.
<br />1.
<br />2.
<br />3.
<br />1.
<br />2.
<br />1.
<br />A.
<br />1.
<br />2.
<br />B.
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<br />2.
<br />3.
<br />4.
<br />5.
<br />6.
<br />7.
<br />1.
<br />2.
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<br />5.
<br />1.
<br />2.
<br />3.
<br />a.
<br />b.
<br />c.
<br />4.
<br />5.
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<br />7.
<br />1.
<br />2.
<br />3.
<br />1.
<br />2.
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<br />5.
<br />1.
<br />2.
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<br />4.
<br />1.
<br />a.
<br />b.
<br />1.
<br />2.
<br />a.
<br />3.
<br />a.
<br />b.
<br />c.
<br />d.
<br />A.
<br />B.
<br />C.
<br />D.
<br />SECTION 260533 - RACEWAYS AND BOXES FOR ELECTRICAL SYSTEMS
<br />PART 1 - GENERAL
<br />1.1 SUMMARY
<br />A. SECTION INCLUDES:
<br />1. METAL CONDUITS AND FITTINGS.
<br />2. NON-METALLIC CONDUITS AND FITTINGS.
<br />3. BOXES AND ENCLOSURES.
<br />4. HANDHOLES AND BOXES FOR EXTERIOR UNDERGROUND CABLING.
<br /> 1.2 SUBMITTALS
<br />A. PRODUCT DATA: FOR EACH TYPE OF PRODUCT.
<br />B. SEISMIC QUALIFICATION DATA: CERTIFICATES, FOR ENCLOSURES, CABINETS, AND CONDUIT RACKS AND THEIR MOUNTING PROVISIONS, INCLUDING THOSE FOR INTERNAL COMPONENTS, FROM
<br />MANUFACTURER.
<br />PART 2 - PRODUCTS
<br />2.1 METAL CONDUITS AND FITTINGS
<br />A. METAL CONDUIT:
<br />LISTING AND LABELING: METAL CONDUITS, TUBING, AND FITTINGS SHALL BE LISTED AND LABELED AS DEFINED IN NFPA 70, BY A QUALIFIED TESTING AGENCY, AND MARKED
<br />FOR INTENDED LOCATION AND APPLICATION.
<br />GRC: COMPLY WITH ANSI C80.1 AND UL 6.
<br />IMC: COMPLY WITH ANSI C80.6 AND UL 1242.
<br />EMT: COMPLY WITH ANSI C80.3 AND UL 797.
<br />LFMC: FLEXIBLE STEEL CONDUIT WITH PVC JACKET AND COMPLYING WITH UL 360.
<br />B .METAL FITTINGS: COMPLY WITH NEMA FB 1 AND UL 514B.
<br />LISTING AND LABELING: LISTED AND LABELED AS DEFINED IN NFPA 70, BY A QUALIFIED TESTING AGENCY, AND MARKED FOR INTENDED LOCATION AND APPLICATION.
<br />FITTINGS, GENERAL: LISTED AND LABELED FOR TYPE OF CONDUIT, LOCATION, AND USE.
<br />CONDUIT FITTINGS FOR HAZARDOUS (CLASSIFIED) LOCATIONS: COMPLY WITH UL 1203 AND NFPA 70.
<br />FITTINGS FOR EMT:
<br />MATERIAL: STEEL OR DIE CAST.
<br />TYPE: SETSCREW.
<br />EXPANSION FITTINGS: PVC OR STEEL TO MATCH CONDUIT TYPE, COMPLYING WITH UL 651, RATED FOR ENVIRONMENTAL CONDITIONS WHERE INSTALLED, AND INCLUDING
<br />FLEXIBLE EXTERNAL BONDING JUMPER.
<br />C. JOINT COMPOUND FOR IMC OR GRC: APPROVED, AS DEFINED IN NFPA 70, BY AUTHORITIES HAVING JURISDICTION FOR USE IN CONDUIT ASSEMBLIES, AND COMPOUNDED FOR USE TO LUBRICATE AND
<br />PROTECT THREADED CONDUIT JOINTS FROM CORROSION AND TO ENHANCE THEIR CONDUCTIVITY.
<br />2.2 NONMETALLIC CONDUITS AND FITTINGS
<br />A. LISTING AND LABELING: LISTED AND LABELED AS DEFINED IN NFPA 70, BY A QUALIFIED TESTING AGENCY, AND MARKED FOR INTENDED LOCATION AND APPLICATION.
<br />RNC: TYPE EPC-40-PVC, COMPLYING WITH NEMA TC 2 AND UL 651 UNLESS OTHERWISE INDICATED.
<br />B. NONMETALLIC FITTINGS:
<br />FITTINGS, GENERAL: LISTED AND LABELED FOR TYPE OF CONDUIT, LOCATION, AND USE.
<br />FITTINGS FOR RNC: COMPLY WITH NEMA TC 3; MATCH TO CONDUIT OR TUBING TYPE AND MATERIAL.
<br />SOLVENTS AND ADHESIVES: AS RECOMMENDED BY CONDUIT MANUFACTURER.
<br />2.3 BOXES AND ENCLOSURES
<br />A. GENERAL REQUIREMENTS FOR BOXES AND ENCLOSURES: BOXES, ENCLOSURES, AND CABINETS INSTALLED IN WET LOCATIONS SHALL BE LISTED FOR USE IN WET LOCATIONS.
<br />B. CAST-METAL OUTLET AND DEVICE BOXES: COMPLY WITH NEMA FB 1, FERROUS ALLOY, TYPE FD, WITH GASKETED COVER.
<br />C. SMALL SHEET METAL PULL AND JUNCTION BOXES: NEMA OS 1.
<br />D. CAST-METAL ACCESS, PULL, AND JUNCTION BOXES: COMPLY WITH NEMA FB 1 AND UL 1773, GALVANIZED, CAST IRON WITH GASKETED COVER.
<br />E. DEVICE BOX DIMENSIONS: 4 INCHES SQUARE BY 2-1/8 INCHES DEEP (100 MM SQUARE BY 60 MM DEEP).
<br />F. HINGED-COVER ENCLOSURES: COMPLY WITH UL 50 AND NEMA 250, TYPE 4 WITH CONTINUOUS-HINGE COVER WITH FLUSH LATCH UNLESS OTHERWISE INDICATED.
<br />METAL ENCLOSURES: STEEL, FINISHED INSIDE AND OUT WITH MANUFACTURER''S STANDARD ENAMEL.
<br />INTERIOR PANELS: STEEL; ALL SIDES FINISHED WITH MANUFACTURER''S STANDARD ENAMEL.
<br />HANDHOLES AND BOXES FOR EXTERIOR UNDERGROUND WIRING
<br />GENERAL REQUIREMENTS FOR HANDHOLES AND BOXES:
<br />BOXES AND HANDHOLES FOR USE IN UNDERGROUND SYSTEMS SHALL BE DESIGNED AND IDENTIFIED AS DEFINED IN NFPA 70, FOR INTENDED LOCATION AND APPLICATION.
<br />BOXES INSTALLED IN WET AREAS SHALL BE LISTED AND LABELED AS DEFINED IN NFPA 70, BY A QUALIFIED TESTING AGENCY, AND MARKED FOR INTENDED LOCATION AND
<br />APPLICATION.
<br />POLYMER-CONCRETE HANDHOLES AND BOXES WITH POLYMER-CONCRETE COVER: MOLDED OF SAND AND AGGREGATE, BOUND TOGETHER WITH POLYMER RESIN, AND REINFORCED
<br />WITH STEEL, FIBERGLASS, OR A COMBINATION OF THE TWO.
<br />STANDARD: COMPLY WITH SCTE 77.
<br />CONFIGURATION: DESIGNED FOR FLUSH BURIAL WITH INTEGRAL CLOSED BOTTOM UNLESS OTHERWISE INDICATED.
<br />COVER: WEATHERPROOF, SECURED BY TAMPER-RESISTANT LOCKING DEVICES AND HAVING STRUCTURAL LOAD RATING CONSISTENT WITH ENCLOSURE AND HANDHOLE
<br />LOCATION.
<br />COVER FINISH: NONSKID FINISH SHALL HAVE A MINIMUM COEFFICIENT OF FRICTION OF 0.50.
<br />COVER LEGEND: MOLDED LETTERING, "ELECTRIC.".
<br />TRAFFIC RATED FOR AREA OF INSTALLATION.
<br />CONDUIT ENTRANCE PROVISIONS: CONDUIT-TERMINATING FITTINGS SHALL MATE WITH ENTERING DUCTS FOR SECURE, FIXED INSTALLATION IN ENCLOSURE WALL.
<br />PART 3 - EXECUTION
<br />3.1 RACEWAY APPLICATION
<br />A. OUTDOORS: APPLY RACEWAY PRODUCTS AS SPECIFIED BELOW UNLESS OTHERWISE INDICATED:
<br />EXPOSED CONDUIT: GRC.
<br />CONCEALED CONDUIT, ABOVEGROUND: IMC.
<br />UNDERGROUND CONDUIT: TYPE EPC-40-PVC, DIRECT BURIED.
<br />CONNECTION TO VIBRATING EQUIPMENT (INCLUDING TRANSFORMERS AND HYDRAULIC, PNEUMATIC, ELECTRIC SOLENOID, OR MOTOR-DRIVEN EQUIPMENT): LFMC.
<br />BOXES AND ENCLOSURES, ABOVEGROUND: NEMA 250, TYPE 4.
<br />B. INDOORS: APPLY RACEWAY PRODUCTS AS SPECIFIED BELOW UNLESS OTHERWISE INDICATED.
<br />EXPOSED, NOT SUBJECT TO PHYSICAL DAMAGE: EMT.
<br />EXPOSED, NOT SUBJECT TO SEVERE PHYSICAL DAMAGE: EMT.
<br />EXPOSED AND SUBJECT TO SEVERE PHYSICAL DAMAGE: GRC. RACEWAY LOCATIONS INCLUDE THE FOLLOWING:
<br />LOADING DOCK.
<br />CORRIDORS USED FOR TRAFFIC OF MECHANIZED CARTS, FORKLIFTS, AND PALLET-HANDLING UNITS.
<br />MECHANICAL ROOMS.
<br />CONCEALED IN CEILINGS AND INTERIOR WALLS AND PARTITIONS: EMT.
<br />CONNECTION TO VIBRATING EQUIPMENT (INCLUDING TRANSFORMERS AND HYDRAULIC, PNEUMATIC, ELECTRIC SOLENOID, OR MOTOR-DRIVEN EQUIPMENT): LFMC.
<br />DAMP OR WET LOCATIONS: IMC.
<br />BOXES AND ENCLOSURES: NEMA 250, TYPE 12.
<br />C. MINIMUM RACEWAY SIZE: 3/4-INCH (21-MM) TRADE SIZE.
<br />D. RACEWAY FITTINGS: COMPATIBLE WITH RACEWAYS AND SUITABLE FOR USE AND LOCATION.
<br />RIGID AND INTERMEDIATE STEEL CONDUIT: USE THREADED RIGID STEEL CONDUIT FITTINGS UNLESS OTHERWISE INDICATED. COMPLY WITH NEMA FB 2.10.
<br />EMT: USE SETSCREW, CAST-METAL FITTINGS. COMPLY WITH NEMA FB 2.10.
<br />FLEXIBLE CONDUIT: USE ONLY FITTINGS LISTED FOR USE WITH FLEXIBLE CONDUIT. COMPLY WITH NEMA FB 2.20.
<br />3.2 INSTALLATION
<br />A. COMPLY WITH NECA 1 AND NECA 101 FOR INSTALLATION REQUIREMENTS EXCEPT WHERE REQUIREMENTS ON DRAWINGS OR IN THIS ARTICLE ARE STRICTER. COMPLY WITH NFPA 70 LIMITATIONS FOR
<br />TYPES OF RACEWAYS ALLOWED IN SPECIFIC OCCUPANCIES AND NUMBER OF FLOORS.
<br />B. DO NOT INSTALL RACEWAYS OR ELECTRICAL ITEMS ON ANY "EXPLOSION-RELIEF" WALLS OR ROTATING EQUIPMENT.
<br />C. DO NOT FASTEN CONDUITS ONTO THE BOTTOM SIDE OF A METAL DECK ROOF.
<br />D. KEEP RACEWAYS AT LEAST 6 INCHES (150 MM) AWAY FROM PARALLEL RUNS OF FLUES AND STEAM OR HOT-WATER PIPES. INSTALL HORIZONTAL RACEWAY RUNS ABOVE WATER AND STEAM PIPING.
<br />E. COMPLY WITH REQUIREMENTS IN SECTION 260529 "HANGERS AND SUPPORTS FOR ELECTRICAL SYSTEMS" FOR HANGERS AND SUPPORTS.
<br />F. ARRANGE STUB-UPS SO CURVED PORTIONS OF BENDS ARE NOT VISIBLE ABOVE GRADE.
<br />G. INSTALL NO MORE THAN THE EQUIVALENT OF THREE 90-DEGREE BENDS IN ANY CONDUIT RUN EXCEPT FOR CONTROL WIRING CONDUITS, FOR WHICH FEWER BENDS ARE ALLOWED. SUPPORT WITHIN 12 I
<br /> INCHES (300 MM) OF CHANGES IN DIRECTION.
<br />H. MAKE BENDS IN RACEWAY USING LARGE-RADIUS PREFORMED ELLS. FIELD BENDING SHALL BE ACCORDING TO NFPA 70 MINIMUM RADII REQUIREMENTS. USE ONLY EQUIPMENT SPECIFICALLY DESIGNED
<br />FOR MATERIAL AND SIZE INVOLVED.
<br />I. INSTALL CONDUITS PARALLEL OR PERPENDICULAR TO BUILDING LINES.
<br />J. SUPPORT CONDUIT WITHIN 12 INCHES (300 MM) OF ENCLOSURES TO WHICH ATTACHED.
<br />K. THREADED CONDUIT JOINTS, EXPOSED TO WET, DAMP, CORROSIVE, OR OUTDOOR CONDITIONS: APPLY LISTED COMPOUND TO THREADS OF RACEWAY AND FITTINGS BEFORE MAKING UP JOINTS. FOLLOW
<br />COMPOUND MANUFACTURER'S WRITTEN INSTRUCTIONS.
<br />L. RACEWAY TERMINATIONS AT LOCATIONS SUBJECT TO MOISTURE OR VIBRATION: USE INSULATING BUSHINGS TO PROTECT CONDUCTORS INCLUDING CONDUCTORS SMALLER THAN NO. 4 AWG.
<br />M. TERMINATE THREADED CONDUITS INTO THREADED HUBS OR WITH LOCKNUTS ON INSIDE AND OUTSIDE OF BOXES OR CABINETS. INSTALL BUSHINGS ON CONDUITS UP TO 1-1/4-INCH (35-MM) TRADE SIZE
<br />AND INSULATED THROAT METAL BUSHINGS ON 1-1/2-INCH (41-MM) TRADE SIZE AND LARGER CONDUITS TERMINATED WITH LOCKNUTS. INSTALL INSULATED THROAT METAL GROUNDING BUSHINGS ON
<br />SERVICE CONDUITS.
<br />N. INSTALL PULL WIRES IN EMPTY RACEWAYS. USE POLYPROPYLENE OR MONOFILAMENT PLASTIC LINE WITH NOT LESS THAN 200-LB (90-KG) TENSILE STRENGTH. LEAVE AT LEAST 12 INCHES (300 MM) OF
<br />SLACK AT EACH END OF PULL WIRE. CAP UNDERGROUND RACEWAYS DESIGNATED AS SPARE ABOVE GRADE ALONGSIDE RACEWAYS IN USE.
<br />O. INSTALL DEVICES TO SEAL RACEWAY INTERIORS AT ACCESSIBLE LOCATIONS. LOCATE SEALS SO NO FITTINGS OR BOXES ARE BETWEEN THE SEAL AND THE FOLLOWING CHANGES OF ENVIRONMENTS.
<br />SEAL THE INTERIOR OF ALL RACEWAYS AT THE FOLLOWING POINTS:
<br />1. CONDUIT EXTENDING FROM INTERIOR TO EXTERIOR OF BUILDING.
<br />2. WHERE OTHERWISE REQUIRED BY NFPA 70.
<br />P. FLEXIBLE CONDUIT CONNECTIONS: COMPLY WITH NEMA RV 3. USE A MAXIMUM OF 36 INCHES (915 MM) OF FLEXIBLE CONDUIT FOR EQUIPMENT SUBJECT TO VIBRATION, NOISE TRANSMISSION, OR
<br />MOVEMENT; AND FOR TRANSFORMERS AND MOTORS.
<br />Q. MOUNT BOXES AT HEIGHTS INDICATED ON DRAWINGS. INSTALL BOXES WITH HEIGHT MEASURED TO TOP OF BOX UNLESS OTHERWISE INDICATED.
<br />R. FASTEN JUNCTION AND PULL BOXES TO OR SUPPORT FROM BUILDING STRUCTURE. DO NOT SUPPORT BOXES BY CONDUITS.
<br />3.3 INSTALLATION OF UNDERGROUND CONDUIT
<br />A. DIRECT-BURIED CONDUIT:
<br />EXCAVATE TRENCH BOTTOM TO PROVIDE FIRM AND UNIFORM SUPPORT FOR CONDUIT. PREPARE TRENCH BOTTOM AS SPECIFIED IN SECTION 312000 "EARTH MOVING" FOR
<br />PIPE LESS THAN 6 INCHES (150 MM) IN NOMINAL DIAMETER.
<br />INSTALL BACKFILL AS SPECIFIED IN SECTION 312000 "EARTH MOVING."
<br />AFTER INSTALLING CONDUIT, BACKFILL AND COMPACT. START AT TIE-IN POINT, AND WORK TOWARD END OF CONDUIT RUN, LEAVING CONDUIT AT END OF RUN FREE TO
<br />MOVE WITH EXPANSION AND CONTRACTION AS TEMPERATURE CHANGES DURING THIS PROCESS. FIRMLY HAND TAMP BACKFILL AROUND CONDUIT TO PROVIDE MAXIMUM
<br />SUPPORTING STRENGTH. AFTER PLACING CONTROLLED BACKFILL TO WITHIN 12 INCHES (300 MM) OF FINISHED GRADE, MAKE FINAL CONDUIT CONNECTION AT END OF RUN
<br />AND COMPLETE BACKFILLING WITH NORMAL COMPACTION AS SPECIFIED IN SECTION 312000 "EARTH MOVING."
<br />INSTALL MANUFACTURED RIGID STEEL CONDUIT ELBOWS FOR STUB-UPS AT EQUIPMENT.
<br />UNDERGROUND WARNING TAPE: COMPLY WITH REQUIREMENTS IN SECTION 260553 "IDENTIFICATION FOR ELECTRICAL SYSTEMS."
<br />3.4 INSTALLATION OF UNDERGROUND HANDHOLES AND BOXES
<br />A. INSTALL HANDHOLES AND BOXES LEVEL AND PLUMB AND WITH ORIENTATION AND DEPTH COORDINATED WITH CONNECTING CONDUITS TO MINIMIZE BENDS AND DEFLECTIONS REQUIRED FOR PROPER
<br />ENTRANCES.
<br />B. UNLESS OTHERWISE INDICATED, SUPPORT UNITS ON A LEVEL BED OF CRUSHED STONE OR GRAVEL, GRADED FROM 1/2-INCH (12.5-MM) SIEVE TO NO. 4 (4.75-MM) SIEVE AND COMPACTED TO SAME DENSITY
<br />AS ADJACENT UNDISTURBED EARTH.
<br />C. ELEVATION: IN PAVED AREAS, SET SO COVER SURFACE WILL BE FLUSH WITH FINISHED GRADE. SET COVERS OF OTHER ENCLOSURES 1 INCH (25 MM) ABOVE FINISHED GRADE.
<br />D. INSTALL HANDHOLES WITH BOTTOM BELOW FROST LINE.
<br />E. FIELD-CUT OPENINGS FOR CONDUITS ACCORDING TO ENCLOSURE MANUFACTURER'S WRITTEN INSTRUCTIONS. CUT WALL OF ENCLOSURE WITH A TOOL DESIGNED FOR MATERIAL TO BE CUT. SIZE HOLES
<br />FOR TERMINATING FITTINGS TO BE USED, AND SEAL AROUND PENETRATIONS AFTER FITTINGS ARE INSTALLED.
<br />3.5 PROTECTION
<br />A. PROTECT COATINGS, FINISHES, AND CABINETS FROM DAMAGE AND DETERIORATION.
<br />1. REPAIR DAMAGE TO GALVANIZED FINISHES WITH ZINC-RICH PAINT RECOMMENDED BY MANUFACTURER.
<br />END OF SECTION 260533
<br />SECTION 260548.16 - SEISMIC CONTROLS FOR ELECTRICAL SYSTEMS
<br />PART 1 - GENERAL
<br />1.1 SUMMARY
<br />A. SECTION INCLUDES:
<br />RESTRAINT CHANNEL BRACINGS.
<br />RESTRAINT CABLES.
<br />SEISMIC-RESTRAINT ACCESSORIES.
<br />MECHANICAL ANCHOR BOLTS.
<br /> 1.2 SUBMITTALS
<br />A. PRODUCT DATA: FOR EACH TYPE OF PRODUCT.
<br />ILLUSTRATE AND INDICATE STYLE, MATERIAL, STRENGTH, FASTENING PROVISION, AND FINISH FOR EACH TYPE AND SIZE OF SEISMIC-RESTRAINT COMPONENT USED.
<br />TABULATE TYPES AND SIZES OF SEISMIC RESTRAINTS, COMPLETE WITH REPORT NUMBERS AND RATED STRENGTH IN TENSION AND SHEAR AS EVALUATED BY AN
<br />AGENCY ACCEPTABLE TO AUTHORITIES HAVING JURISDICTION.
<br />ANNOTATE TO INDICATE APPLICATION OF EACH PRODUCT SUBMITTED AND COMPLIANCE WITH REQUIREMENTS.
<br />B. DELEGATED-DESIGN SUBMITTAL: FOR EACH SEISMIC-RESTRAINT DEVICE.
<br />INCLUDE DESIGN CALCULATIONS AND DETAILS FOR SELECTING SEISMIC RESTRAINTS COMPLYING WITH PERFORMANCE REQUIREMENTS, DESIGN CRITERIA, AND ANALYSIS
<br />DATA SIGNED AND SEALED BY THE QUALIFIED PROFESSIONAL ENGINEER RESPONSIBLE FOR THEIR PREPARATION.
<br />DESIGN CALCULATIONS: CALCULATE STATIC AND DYNAMIC LOADING CAUSED BY EQUIPMENT WEIGHT, OPERATION, AND SEISMIC FORCES REQUIRED TO SELECT SEISMIC
<br />RESTRAINTS AND FOR DESIGNING VIBRATION ISOLATION BASES.
<br />COORDINATE DESIGN CALCULATIONS WITH WIND LOAD CALCULATIONS REQUIRED FOR EQUIPMENT MOUNTED OUTDOORS. COMPLY WITH REQUIREMENTS IN
<br />OTHER SECTIONS FOR EQUIPMENT MOUNTED OUTDOORS.
<br />SEISMIC-RESTRAINT DETAILS:
<br />DESIGN ANALYSIS: TO SUPPORT SELECTION AND ARRANGEMENT OF SEISMIC RESTRAINTS. INCLUDE CALCULATIONS OF COMBINED TENSILE AND SHEAR LOADS.
<br />DETAILS: INDICATE FABRICATION AND ARRANGEMENT. DETAIL ATTACHMENTS OF RESTRAINTS TO THE RESTRAINED ITEMS AND TO THE STRUCTURE. SHOW
<br />ATTACHMENT LOCATIONS, METHODS, AND SPACINGS. IDENTIFY COMPONENTS, LIST THEIR STRENGTHS, AND INDICATE DIRECTIONS AND VALUES OF FORCES
<br />TRANSMITTED TO THE STRUCTURE DURING SEISMIC EVENTS. INDICATE ASSOCIATION WITH VIBRATION ISOLATION DEVICES.
<br />COORDINATE SEISMIC-RESTRAINT AND VIBRATION ISOLATION DETAILS WITH WIND-RESTRAINT DETAILS REQUIRED FOR EQUIPMENT MOUNTED OUTDOORS.
<br />COMPLY WITH REQUIREMENTS IN OTHER SECTIONS FOR EQUIPMENT MOUNTED OUTDOORS.
<br />PREAPPROVAL AND EVALUATION DOCUMENTATION: BY AN AGENCY ACCEPTABLE TO AUTHORITIES HAVING JURISDICTION, SHOWING MAXIMUM RATINGS OF
<br />RESTRAINT ITEMS AND THE BASIS FOR APPROVAL (TESTS OR CALCULATIONS).
<br />C. QUALIFICATION DATA: FOR PROFESSIONAL ENGINEER AND TESTING AGENCY.
<br />1.3 QUALITY ASSURANCE
<br />COMPLY WITH SEISMIC-RESTRAINT REQUIREMENTS IN THE IBC UNLESS REQUIREMENTS IN THIS SECTION ARE MORE STRINGENT.
<br />WELDING QUALIFICATIONS: QUALIFY PROCEDURES AND PERSONNEL ACCORDING TO AWS D1.1/D1.1M, "STRUCTURAL WELDING CODE - STEEL."
<br />SEISMIC-RESTRAINT DEVICES SHALL HAVE HORIZONTAL AND VERTICAL LOAD TESTING AND ANALYSIS. THEY SHALL BEAR ANCHORAGE PREAPPROVAL FROM OSHPD IN ADDITION TO
<br />PREAPPROVAL, SHOWING MAXIMUM SEISMIC-RESTRAINT RATINGS, BY ICC-ES OR ANOTHER AGENCY ACCEPTABLE TO AUTHORITIES HAVING JURISDICTION. RATINGS BASED ON
<br />INDEPENDENT TESTING ARE PREFERRED TO RATINGS BASED ON CALCULATIONS. IF PREAPPROVED RATINGS ARE NOT AVAILABLE, SUBMITTALS BASED ON INDEPENDENT TESTING ARE
<br />PREFERRED. CALCULATIONS (INCLUDING COMBINING SHEAR AND TENSILE LOADS) THAT SUPPORT SEISMIC-RESTRAINT DESIGNS MUST BE SIGNED AND SEALED BY A QUALIFIED
<br />PROFESSIONAL ENGINEER.
<br />COMPLY WITH NFPA 70.
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