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<br />6. PROVIDE ADDITIONAL GROUND ELECTRODE(S) AS REQUIRED TO ACHIEVE SPECIFIED GROUNDING
<br />ELECTRODE SYSTEM RESISTANCE.
<br />7. GROUND BAR: PROVIDE GROUND BAR, SEPARATE FROM SERVICE EQUIPMENT ENCLOSURE, FOR
<br />COMMON CONNECTION POINT OF GROUNDING ELECTRODE SYSTEM BONDING JUMPERS AS
<br />PERMITTED IN NFPA 70. CONNECT GROUNDING ELECTRODE CONDUCTOR PROVIDED FOR
<br />SERVICE -SUPPLIED SYSTEM GROUNDING TO THIS GROUND BAR.
<br />A. INSTALL BUS HORIZONTALLY, ON INSULATED SPACERS 2 INCHES (50 MM) MINIMUM FROM WALL,
<br />B. PRE -DRILLED RECTANGULAR COPPER BAR WITH STAND-OFF INSULATORS, WITH HOLE SIZE, QUANTITY,
<br />AND SPACING PER DETAIL SHOWN ON THE DRAWINGS. PROVIDE INSULATORS AND MOUNTING BRACKETS.
<br />C. GROUND BAR SIZE: 1/4 BY 4 BY 12 INCHES UNLESS OTHERWISE INDICATED OR REQUIRED.
<br />D. WHERE GROUND BAR LOCATION IS NOT INDICATED, LOCATE IN ACCESSIBLE LOCATION AS NEAR AS
<br />POSSIBLE TO SERVICE DISCONNECT ENCLOSURE.
<br />E. GROUND BAR MOUNTING HEIGHT: 18 INCHES ABOVE FINISHED FLOOR UNLESS OTHERWISE INDICATED.
<br />K. SERVICE -SUPPLIED SYSTEM GROUNDING:
<br />1. FOR EACH SERVICE DISCONNECT, PROVIDE GROUNDING ELECTRODE CONDUCTOR TO CONNECT
<br />NEUTRAL GROUNDED SERVICE CON
<br />DUCTOR TO GROUNDING ELECTRODE SYSTEM. UNLESS
<br />OTHERWISE INDICATED, MAKE CONNECTION AT NEUTRAL (GROUNDED) BUS IN SERVICE DISCONNECT
<br />ENCLOSURE.
<br />2. FOR EACH SERVICE DISCONNECT, PROVIDE MAIN BONDING JUMPER TO CONNECT NEUTRAL
<br />(GROUNDED) BUS TO EQUIPMENT GROUND BUS WHERE NOT FACTORY -INSTALLED. DO NOT MAKE ANY
<br />OTHER CONNECTIONS BETWEEN NEUTRAL (GROUNDED) CONDUCTORS AND GROUND ON LOAD SIDE
<br />OF SERVICE DISCONNECT.
<br />L. BONDING AND EQUIPMENT GROUNDING:
<br />1. PROVIDE BONDING FOR EQUIPMENT GROUNDING CONDUCTORS, EQUIPMENT GROUND BUSSES,
<br />METALLIC EQUIPMENT ENCLOSURES, METALLIC RACEWAYS AND BOXES, DEVICE GROUNDING
<br />TERMINALS, AND OTHER NORMALLY NON -CURRENT -CARRYING CONDUCTIVE MATERIALS ENCLOSING
<br />ELECTRICAL CONDUCTORS/EQUIPMENT OR LIKELY TO BECOME ENERGIZED AS INDICATED AND IN
<br />ACCORDANCE WITH NFPA 70 .
<br />2. PROVIDE INSULATED EQUIPMENT GROUNDING CONDUCTOR IN EACH FEEDER AND BRANCH CIRCUIT
<br />RACEWAY. DO NOT USE RACEWAYS AS SOLE EQUIPMENT GROUNDING CONDUCTOR.
<br />3. WHERE CIRCUIT CONDUCTOR SIZES ARE INCREASED FOR VOLTAGE DROP, INCREASE SIZE OF
<br />EQUIPMENT GROUNDING CONDUCTOR PROPORTIONALLY IN ACCORDANCE WITH NFPA 70 .
<br />4. UNLESS OTHERWISE INDICATED, CONNECT WIRING DEVICE GROUNDING TERMINAL TO BRANCH
<br />CIRCUIT EQUIPMENT GROUNDING CONDUCTOR AND TO OUTLET BOX WITH BONDING JUMPER.
<br />5. TERMINATE BRANCH CIRCUIT EQUIPMENT GROUNDING CONDUCTORS ON SOLIDLY BONDED
<br />EQUIPMENT GROUND BUS ONLY. DO NOT TERMINATE ON NEUTRAL (GROUNDED) OR
<br />ISOLATED/INSULATED GROUND BUS.
<br />6. PROVIDE BONDING FOR INTERIOR METAL PIPING SYSTEMS IN ACCORDANCE WITH NFPA 70. THIS
<br />INCLUDES BUT IS NOT LIMITED TO:
<br />A. METAL WATER PIPING WHERE NOT ALREADY EFFECTIVELY BONDED TO METAL UNDERGROUND WATER
<br />PIPE USED AS GROUNDING ELECTRODE.
<br />B. METAL GAS PIPING.
<br />7. PROVIDE BONDING FOR METAL BUILDING FRAME WHERE NOT USED AS A GROUNDING ELECTRODE.
<br />8. PROVIDE BONDING FOR METAL SIDING NOT EFFECTIVELY BONDED THROUGH ATTACHMENT TO METAL
<br />BUILDING FRAME.
<br />9. PROVIDE REDUNDANT GROUNDING AND BONDING FOR PATIENT CARE AREAS OF HEALTHCARE
<br />FACILITIES IN ACCORDANCE WITH NFPA 70 AND NFPA 99 .
<br />M. ISOLATED GROUND SYSTEM:
<br />1. WHERE ISOLATED GROUND RECEPTACLES OR OTHER ISOLATED GROUND CONNECTIONS ARE
<br />INDICATED, PROVIDE SEPARATE ISOLATED/INSULATED EQUIPMENT GROUNDING CONDUCTORS.
<br />2. ISOLATED GROUNDING RECEPTACLE CIRCUITS: INSTALL AN INSULATED EQUIPMENT GROUNDING
<br />CONDUCTOR CONNECTED TO THE RECEPTACLE GROUNDING TERMINAL. ISOLATE CONDUCTOR FROM
<br />RACEWAY AND FROM PANELBOARD GROUNDING TERMINALS. TERMINATE AT EQUIPMENT GROUNDING
<br />CONDUCTOR TERMINAL OF THE APPLICABLE DERIVED SYSTEM OR SERVICE UNLESS OTHERWISE
<br />INDICATED.
<br />3. CONNECT ISOLATED/INSULATED EQUIPMENT GROUNDING CONDUCTORS ONLY TO SEPARATE
<br />ISOLATED/INSULATED EQUIPMENT GROUND BUSSES.
<br />4. CONNECT THE ISOLATED/INSULATED EQUIPMENT GROUNDING CONDUCTORS TO THE SOLIDLY
<br />BONDED EQUIPMENT GROUND BUS ONLY AT THE SERVICE DISCONNECT OR SEPARATELY DERIVED
<br />SYSTEM DISCONNECT. DO NOT MAKE ANY OTHER CONNECTIONS BETWEEN ISOLATED GROUND
<br />SYSTEM AND NORMAL EQUIPMENT GROUND SYSTEM ON THE LOAD SIDE OF THIS CONNECTION.
<br />5. ISOLATED EQUIPMENT ENCLOSURE CIRCUITS: FOR DESIGNATED EQUIPMENT SUPPLIED BY A BRANCH
<br />CIRCUIT OR FEEDER, ISOLATE EQUIPMENT ENCLOSURE FROM SUPPLY CIRCUIT RACEWAY WITH A
<br />NONMETALLIC RACEWAY FITTING LISTED FOR THE PURPOSE. INSTALL FITTING WHERE RACEWAY
<br />ENTERS ENCLOSURE, AND INSTALL A SEPARATE INSULATED EQUIPMENT GROUNDING CONDUCTOR.
<br />ISOLATE CONDUCTOR FROM RACEWAY AND FROM PANELBOARD GROUNDING TERMINALS. TERMINATE
<br />AT EQUIPMENT GROUNDING CONDUCTOR TERMINAL OF THE APPLICABLE DERIVED SYSTEM OR
<br />SERVICE UNLESS OTHERWISE INDICATED.
<br />6. GREEN -COLORED INSULATION WITH CONTINUOUS YELLOW STRIPE. ON FEEDERS WITH ISOLATED
<br />GROUND, IDENTIFY GROUNDING CONDUCTOR WHERE VISIBLE TO NORMAL INSPECTION, WITH
<br />ALTERNATING BANDS OF GREEN AND YELLOW TAPE, WITH AT LEAST THREE BANDS OF GREEN AND
<br />TWO BANDS OF YELLOW.
<br />N. COMMUNICATIONS SYSTEMS GROUNDING AND BONDING:
<br />1. PROVIDE INTERSYSTEM BONDING TERMINATION AT SERVICE EQUIPMENT OR METERING EQUIPMENT
<br />ENCLOSURE AND AT DISCONNECTING MEANS FOR ANY ADDITIONAL BUILDINGS OR STRUCTURES IN
<br />ACCORDANCE WITH NFPA 70 .
<br />2. PROVIDE BONDING JUMPER IN RACEWAY FROM INTERSYSTEM BONDING TERMINATION TO EACH
<br />COMMUNICATIONS ROOM OR BACKBOARD AND PROVIDE GROUND BAR FOR TERMINATION.
<br />A. BONDING JUMPER SIZE: 6 AWG, UNLESS OTHERWISE INDICATED OR REQUIRED.
<br />B. RACEWAY SIZE: 3/4 INCH UNLESS OTHERWISE INDICATED OR REQUIRED.
<br />C. GROUND BAR SIZE: 1/4 BY 2 BY 12 INCHES UNLESS OTHERWISE INDICATED OR REQUIRED.
<br />D. GROUND BAR MOUNTING HEIGHT: 18 INCHES ABOVE FINISHED FLOOR UNLESS OTHERWISE INDICATED.
<br />O. LIGHTNING PROTECTION SYSTEMS, IN ADDITION TO REQUIREMENTS OF SECTION 264113:
<br />1. DO NOT USE GROUNDING ELECTRODE DEDICATED FOR LIGHTNING PROTECTION SYSTEM FOR
<br />COMPONENT OF BUILDING GROUNDING ELECTRODE SYSTEM PROVIDE
<br />D UNDER THIS SECTION.
<br />2. PROVIDE BONDING OF BUILDING GROUNDING ELECTRODE SYSTEM PROVIDED UNDER THIS SECTION
<br />AND LIGHTNING PROTECTION GROUNDING ELECTRODE SYSTEM IN ACCORDANCE WITH NFPA 70 AND
<br />NFPA 780.
<br />2.02 GROUNDING AND BONDING COMPONENTS
<br />A. GENERAL REQUIREMENTS:
<br />I ABLE FOR THE PURPOSE INTENDED.
<br />I LISTED CLASSIFIED T 1. PROVIDE PRODUCTS U , AND LABELED AS SUITABLE
<br />2. PROVIDE PRODUCTS LISTED AND LABELED AS COMPLYING WIT
<br />H UL 467 WHERE APPLICABLE.
<br />M
<br />B. CONDUCTORS FOR GROUNDING AND BONDING, IN ADDITION TO REQUIREMENTS OF SECTION 260526:
<br />1. USE INSULATED COPPER CONDUCTORS UNLESS OTHERWISE INDICATED.
<br />A. EXCEPTIONS:
<br />1) USE BARE COPPER CONDUCTORS WHERE INSTALLED UNDERGROUND IN DIRECT CONTACT
<br />WITH EARTH.
<br />2) USE BARE COPPER CONDUCTORS WHERE DIRECTLY ENCASED IN CONCRETE (NOT IN
<br />RACEWAY).
<br />2. FACTORY PRE -FABRICATED BONDING JUMPERS: FURNISHED WITH FACTORY -INSTALLED FERRULES;
<br />SIZE BRAIDED CABLES TO PROVIDE EQUIVALENT GAUGE OF SPECIFIED CONDUCTORS.
<br />B. CONNECTORS FOR GROUNDING AND BONDING:
<br />1. DESCRIPTION: CONNECTORS APPROPRIATE FOR THE APPLICATION AND SUITABLE FOR THE
<br />CONDUCTORS AND ITEMS TO BE CONNECTED; LISTED AND LABELED AS COMPLYING WITH UL 467
<br />2. UNLESS OTHERWISE INDICATED, USE EXOTHERMIC WELDED CONNECTIONS FOR UNDERGROUND,
<br />CONCEALED AND OTHER INACCESSIBLE CONNECTIONS.
<br />A. EXCEPTIONS:
<br />1) USE MECHANICAL CONNECTORS FOR CONNECTIONS TO ELECTRODES AT GROUND ACCESS
<br />WELLS.
<br />3. UNLESS OTHERWISE INDICATED, USE MECHANICAL CONNECTORS, COMPRESSION CONNECTORS, OR
<br />EXOTHERMIC WELDED CONNECTIONS FOR ACCESSIBLE CONNECTIONS.
<br />A. EXCEPTIONS:
<br />1) USE EXOTHERMIC WELDED CONNECTIONS FOR CONNECTIONS TO METAL BUILDING FRAME.
<br />D. GROUND BARS:
<br />1. DESCRIPTION: COPPER RECTANGULAR GROUND BARS WITH MOUNTING BRACKETS AND INSULATORS.
<br />2. SIZE: AS INDICATED.
<br />3. HOLES FOR CONNECTIONS: AS INDICATED OR AS REQUIRED FOR CONNECTIONS TO BE MADE.
<br />E. GROUND ROD ELECTRODES:
<br />1. COMPLY WITH NEMA GR 1 .
<br />2. MATERIAL: COPPER -BONDED (COPPER -CLAD) STEEL.
<br />3. SIZE: 3/4 INCH DIAMETER BY 10 FEET LENGTH, UNLESS OTHERWISE INDICATED.
<br />4. WHERE ROD LENGTHS OF GREATER THAN 10 FEET ARE INDICATED OR OTHERWISE REQUIRED,
<br />SECTIONALIZED GROUND RODS MAY BE USED.
<br />F. GROUND ACCESS WELLS:
<br />1. DESCRIPTION: OPEN BOTTOM ROUND OR RECTANGULAR WELL WITH ACCESS COVER FOR TESTING
<br />AND INSPECTION; SUITABLE FOR THE EXPECTED LOAD AT THE INSTALLED LOCATION.
<br />2. SIZE: AS REQUIRED TO PROVIDE ADEQUATE ACCESS FOR TESTING AND INSPECTION, BUT NOT LESS
<br />THAN MINIMUM SIZE REQUIREMENTS SPECIFIED.
<br />A. ROUND WELLS: NOT LESS THAN 8 INCHES IN DIAMETER.
<br />B. RECTANGULAR WELLS: NOT LESS THAN 12 BY 12 INCHES.
<br />3. DEPTH: AS REQUIRED TO EXTEND BELOW FROST LINE TO PREVENT FROST UPHEAVAL, BUT NOT LESS
<br />THAN 10 INCHES.
<br />4. COVER: FACTORY -IDENTIFIED BY PERMANENT MEANS WITH WORD "GROUND".
<br />PART 3 EXECUTION
<br />3.01 EXAMINATION
<br />A. VERIFY THAT WORK LIKELY TO DAMAGE GROUNDING AND BONDING SYSTEM COMPONENTS HAS BEEN
<br />COMPLETED.
<br />B. VERIFY THAT FIELD MEASUREMENTS ARE AS SHOWN ON THE DRAWINGS.
<br />C. VERIFY THAT CONDITIONS ARE SATISFACTORY FOR INSTALLATION PRIOR TO STARTING WORK.
<br />3.02 INSTALLATION
<br />A. INSTALL PRODUCTS IN ACCORDANCE WITH MANUFACTURER'S INSTRUCTIONS.
<br />B. INSTALL GROUNDING AND BONDING SYSTEM COMPONENTS IN A NEAT AND WORKMANLIKE MANNER IN
<br />ACCORDANCE WITH NECA 1 .
<br />C. GROUND ROD ELECTRODES: UNLESS OTHERWISE INDICATED, INSTALL GROUND ROD ELECTRODES
<br />VERTICALLY. WHERE ENCOUNTERED ROCK PROHIBITS VERTICAL INSTALLATION, INSTALL AT 45 DEGREE
<br />ANGLE OR BURY HORIZONTALLY IN TRENCH AT LEAST 30 INCHES (750 MM) DEEP IN ACCORDANCE WITH
<br />NFPA 70 OR PROVIDE GROUND PLATES.
<br />1. OUTDOOR INSTALLATIONS: UNLESS OTHERWISE INDICATED, INSTALL WITH TOP OF ROD 24 INCHES
<br />BELOW FINISHED GRADE.
<br />2. INDOOR INSTALLATIONS: UNLESS OTHERWISE INDICATED, INSTALL WITH 4 INCHES OF TOP OF ROD
<br />EXPOSED.
<br />D. MAKE GROUNDING AND BONDING CONNECTIONS USING SPECIFIED CONNECTORS.
<br />1. REMOVE APPROPRIATE AMOUNT OF CONDUCTOR INSULATION FOR MAKING CONNECTIONS WITHOUT
<br />CUTTING, NICKING OR DAMAGING CONDUCTORS. DO NOT REMOVE CONDUCTOR STRANDS TO
<br />FACILITATE INSERTION INTO CONNECTOR.
<br />2. REMOVE NONCONDUCTIVE PAINT, ENAMEL, OR SIMILAR COATING AT THREADS, CONTACT POINTS, AND
<br />CONTACT SURFACES.
<br />ECT 3. EXOTHERMIC WELDS: MAKE CON N IONS USING MOLDS AND WELD MATERIAL SUITABLE FOR THE
<br />ITEMS TO BE CONNECTED IN ACCORDANCE WITH MANUFACTURER'S RECOMMENDATIONS.
<br />4. MECHANICAL CONNECTORS: SECURE CONNECTIONS ACCORDING TO MANUFACTURER'S
<br />RECOMMENDED TORQUE SETTINGS.
<br />5. COMPRESSION CONNECTORS: SECURE CONNECTIONS USING MANUFACTURER'S RECOMMENDED
<br />TOOLS AND DIES.
<br />E. IDENTIFY GROUNDING AND BONDING SYSTEM COMPONENTS IN ACCORDANCE WITH SECTION 260553.
<br />F. INACCESSIBLE GROUNDING CONNECTION:
<br />1. MAKE GROUNDING CONNECTIONS, WHICH ARE NORMALLY BURIED OR OTHERWISE INACCESSIBLE, BY
<br />EXOTHERMIC WELD.
<br />G. MAIN ELECTRICAL ROOM GROUNDING:
<br />1. PROVIDE GROUND BUS BAR AND MOUNTING HARDWARE AT EACH MAIN ELECTRICAL ROOM WHERE
<br />INCOMING FEEDERS ARE TERMINATED, AS SHOWN ON THE DRAWINGS. CONNECT TO PIGTAIL
<br />EXTENSIONS OF THE BUILDING GROUNDING RING, AS SHOWN ON THE DRAWINGS.
<br />H. RACEWAY
<br />1. CONDUIT SYSTEMS:
<br />A. GROUND ALL METALLIC CONDUIT SYSTEMS. ALL METALLIC CONDUIT SYSTEMS SHALL CONTAIN AN
<br />EQUIPMENT GROUNDING CONDUCTOR.
<br />B. NON-METALLIC CONDUIT SYSTEMS, EXCEPT NON-METALLIC FEEDER CONDUITS THAT CARRY A
<br />GROUNDED CONDUCTOR FROM EXTERIOR TRANSFORMERS TO INTERIOR OR BUILDING -MOUNTED
<br />SERVICE ENTRANCE EQUIPMENT, SHALL CONTAIN AN EQUIPMENT GROUNDING CONDUCTOR.
<br />C. METALLIC CONDUITTHAT ONLY CONTAINS A GROUNDING CONDUCTOR, AND IS PROVIDED FOR ITS
<br />MECHANICAL PROTECTION, SHALL BE BONDED TO THAT CONDUCTOR AT THE ENTRANCE AND EXIT FROM
<br />THE CONDUIT.
<br />D. METALLIC CONDUITS WHICH TERMINATE WITHOUT MECHANICAL CONNECTION TO AN ELECTRICAL
<br />GS R ADAPTERS,SHALL BE PROVIDED WITH
<br />HOUSING BY MEANS OF LOCKNUT AND BUSHINGS 0 EQUIPMENT
<br />GROUNDING BUSHINGS. CONNECT BUSHINGS WITH A EQUIPMENT GROUNDING CONDUCTOR TO THE
<br />EQUIPMENT GROUND BUS.
<br />2. FEEDERS AND BRANCH CIRCUITS: INSTALL EQUIPMENT GROUNDING CONDUCTORS WITH ALL
<br />R ITS: TAL Q UI P
<br />FEEDERS, AND POWER AND LIGHTING BRANCH CIRCUITS.
<br />3. BOXES, CABINETS, ENCLOSURES, AND PANELBOARDS:
<br />A. BOND THE EQUIPMENT GROUNDING CONDUCTOR TO EACH PULLBOX, JUNCTION BOX, OUTLET BOX,
<br />DEVICE BOX, CABINETS, AND OTHER ENCLOSURES THROUGH WHICH THE CONDUCTOR PASSES (EXCEPT
<br />FOR SPECIAL GROUNDING SYSTEMS FOR INTENSIVE CARE UNITS AND OTHER CRITICAL UNITS SHOWN).
<br />B. PROVIDE LUGS IN EACH BOX AND ENCLOSURE FOR EQUIPMENT GROUNDING CONDUCTOR TERMINATION.
<br />4. WIREWAY SYSTEMS:
<br />A. BOND THE METALLIC STRUCTURES OF WIREWAY TO PROVIDE ELECTRICAL CONTINUITY THROUGHOUT
<br />THE WIREWAY SYSTEM, BY CONNECTING A NO. 6 AWG BONDING JUMPER AT ALL INTERMEDIATE METALLIC
<br />ENCLOSURES AND ACROSS ALL SECTION JUNCTIONS.
<br />B. INSTALL INSULATED NO. 6 AWG BONDING JUMPERS BETWEEN THE WIREWAY SYSTEM, BONDED AS
<br />REQUIRED ABOVE, AND THE CLOSEST BUILDING GROUND AT EACH END AND APPROXIMATELY EVERY 50
<br />FEET.
<br />C. USE INSULATED NO. 6 AWG BONDING JUMPERS TO GROUND OR BOND METALLIC WIREWAY AT EACH END
<br />FOR ALL INTERMEDIATE METALLIC ENCLOSURES AND ACROSS ALL SECTION JUNCTIONS.
<br />D. USE INSULATED NO. 6 AWG BONDING JUMPERS TO GROUND CABLE TRAY TO COLUMN -MOUNTED
<br />BUILDING GROUND PLATES (PADS) AT EACH END AND APPROXIMATELY EVERY 48 FEET.
<br />5. RECEPTACLES SHALL NOT BE GROUNDED THROUGH THEIR MOUNTING SCREWS. GROUND
<br />RECEPTACLES WITH A JUMPER FROM THE RECEPTACLE GREEN GROUND TERMINAL TO THE DEVICE
<br />BOX GROUND SCREW AND A JUMPER TO THE BRANCH CIRCUIT EQUIPMENT GROUNDING CONDUCTOR.
<br />6. GROUND LIGHTING FIXTURES TO THE EQUIPMENT GROUNDING CONDUCTOR OF THE WIRING SYSTEM.
<br />FIXTURES CONNECTED WITH FLEXIBLE CONDUIT SHALL HAVE A GREEN GROUND WIRE INCLUDED WITH
<br />THE POWER WIRES FROM THE FIXTURE THROUGH THE FLEXIBLE CONDUIT TO THE FIRST OUTLET BOX.
<br />7. FIXED ELECTRICAL APPLIANCES AND EQUIPMENT SHALL BE PROVIDED WITH A GROUND LUG FOR
<br />TERMINATION OF THE EQUIPMENT GROUNDING CONDUCTOR.
<br />8. RAISED FLOORS: PROVIDE BONDING FOR ALL RAISED FLOOR COMPONENTS AS SHOWN ON THE
<br />DRAWINGS.
<br />9. PANELBOARD BONDING IN PATIENT CARE AREAS: THE EQUIPMENT GROUNDING TERMINAL BUSES OF
<br />THE NORMAL AND ESSENTIAL BRANCH CIRCUIT PANEL BOARDS SERVING THE SAME INDIVIDUAL
<br />PATIENT VICINITY SHALL BE BONDED TOGETHER WITH AN INSULATED CONTINUOUS COPPER
<br />CONDUCTOR NOT LESS THAN NO. 10 AWG, INSTALLED IN RIGID METAL CONDUIT.
<br />1. CONDUCTIVE PIPING:
<br />1. BOND ALL CONDUCTIVE PIPING SYSTEMS, INTERIOR AND EXTERIOR, TO THE GROUNDING ELECTRODE
<br />OS AS PRACTICAL TO THE EQUIPMENT
<br />SYSTEM. BONDING CONNECTIONS SHALL BE MADE AS CLOSE Q
<br />GROUND BUS.
<br />2. IN OPERATING ROOMS AND AT INTENSIVE CARE AND CORONARY CARE TYPE BEDS, BOND THE
<br />MEDICAL GAS PIPING AND MEDICAL VACUUM PIPING ATTHE OUTLETS DIRECTLY TO THE PATIENT
<br />GROUND BUS.
<br />3. METAL WATER SERVICE PIPE: INSTALL INSULATED COPPER GROUNDING CONDUCTORS, IN CONDUIT,
<br />FROM BUILDING'S MAIN SERVICE EQUIPMENT, OR GROUNDING BUS, TO MAIN METAL WATER SERVICE
<br />ENTRANCES TO BUILDING. CONNECT GROUNDING CONDUCTORS TO MAIN METAL WATER SERVICE
<br />PIPES; USE A BOLTED CLAMP CONNECTOR OR BOLT A LUG -TYPE CONNECTOR TO A PIPE FLANGE BY
<br />USING ONE OF THE LUG BOLTS OF THE FLANGE. WHERE A DIELECTRIC MAIN WATER FITTING IS
<br />INSTALLED, CONNECT GROUNDING CONDUCTOR ON STREET SIDE OF FITTING. BOND METAL
<br />GROUNDING CONDUCTOR CONDUIT OR SLEEVE TO CONDUCTOR AT EACH END.
<br />4. WATER METER PIPING: USE BRAIDED -TYPE BONDING JUMPERS TO ELECTRICALLY BYPASS WATER
<br />METERS. CONNECT TO PIPE WITH A BOLTED CONNECTOR.
<br />5. BONDING INTERIOR METAL DUCTS: BOND METAL AIR DUCTS TO EQUIPMENT GROUNDING
<br />CONDUCTORS OF ASS
<br />OCIATED FANS BLOWERS ELECTRIC HEATER
<br />S, AND AIR CLEANERS. INSTALL
<br />TINNED BONDING JUMPER TO BOND ACROSS FLEXIBLE DUCT CONNECTIONS TO ACHIEVE CONTINUITY.
<br />J. EXTERIOR LIGHT POLES:
<br />1. PROVIDE 20 FEET OF NO.4 AWG BARE COPPER COILED AT BOTTOM OF POLE BASE EXCAVATION PRIOR
<br />TO POUR, PLUS ADDITIONAL UNSPLICED LENGTH IN AND ABOVE FOUNDATION AS REQUIRED TO REACH
<br />POLE GROUND STUD.
<br />K. TELEPHONE SYSTEM:
<br />1. PROVIDE GROUNDING MEANS FOR THE TELEPHONE SYSTEM IN ACCORDANCE WITH ARTICLE 800-100
<br />OF THE NATIONAL ELECTRICAL CODE, AND THE SYSTEM MANUFACTURER'S RECOMMENDATIONS.
<br />2. MAIN TELEPHONE SERVICE EQUIPMENT GROUNDING MEANS SHALL INCLUDE BUT NOT BE LIMITED TO
<br />A NO. 4 AWG, GREEN, INSULATED, COPPER GROUNDING CONDUCTOR CONNECTED TO THE MAIN
<br />ELECTRICAL SERVICE EQUIPMENT GROUND BUS. TERMINATE THIS CONDUCTOR AT THE TELEPHONE
<br />EQUIPMENT LOCATIO
<br />N WITH AN ILSCO NB 350 42 R16 GROUNDING BUS MO
<br />UNTED ON THE PLYWOOD
<br />BACKBOARD.
<br />3. TELEPHONE TERMINAL BOARDS AND OTHER REMOTE TELEPHONE EQUIPMENT GROUNDING MEANS
<br />SHALL INCLUDE BUT NOT BE LIMITED TO A MINIMUM N0.6 AW
<br />G, GREEN INSULATED COPPER
<br />CONDUCTOR CONNECTED TO THE EQUIPMENT GROUND BUS IN THE LOW VOLTAGE PANELBOARD
<br />SERVING THE TELEPHONE EQUIPMENT OR BRANCH CIRCUITS IN THE IMMEDIATE VICINITY. TERMINATE
<br />THESE CONDUCTORS TO AN ILSCO NB-350-12-R16 GROUNDING BUS MOUNTED ON THE PLYWOOD
<br />BACKBOARD.
<br />4. ROUTE THE TELEPHONE EQUIPMENT GROUNDING CONDUCTORS IN 3/4 INCH CONDUIT BY THE MOST
<br />DIRECT MEANS FROM THE TELEPHONE EQUIPMENT GROUND BUS TO THE ELECTRICAL EQUIPMENT
<br />GROUNDING SYSTEM.
<br />5. PROVIDE PERMANENT, ENGRAVED LABELS AT THE TELEPHONE EQUIPMENT GROUND BUSSES
<br />IDENTIFYING THESE AS THE EQUIPMENT GROUNDING MEANS AND IDENTIFYING THE LOCATION OF
<br />CONNECTION OF THE GROUNDING CONDUCTORS TO THE ELECTRICAL EQUIPMENT GROUNDING
<br />SYSTEM.
<br />L. LIGHTNING PROTECTION SYSTEM:
<br />1. BOND THE LIGHTNING PROTECTION SYSTEM TO THE ELECTRICAL GROUNDING ELECTRODE SYSTEM.
<br />2. BOND ELECTRICAL POWER SYSTEM GROUND DIRECTLY TO LIGHTNING PROTECTION SYSTEM
<br />GROUNDING CONDUCTOR AT CLOSEST POINT TO ELECTRICAL SERVICE GROUNDING ELECTRODE. USE
<br />BONDING CONDUCTOR SIZED SAME AS SYSTEM GROUNDING ELECTRODE CONDUCTOR, AND INSTALL
<br />IN CONDUIT.
<br />M. GROUND RESISTANCE:
<br />1. GROUNDING SYSTEM RESISTANCE TO GROUND SHALL NOT EXCEED 5 OHMS. MAKE ANY
<br />MODIFICATIONS OR ADDITIONS TO THE GROUNDING ELECTRODE SYSTEM NECESSARY FOR
<br />COMPLIANCE. FINAL TESTS SHALL ENSURE THAT THIS REQUIREMENT IS MET.
<br />2. GROUNDING SYSTEM RESISTANCE SHALL COMPLY WITH THE ELECTRIC UTILITY COMPANY GROUND
<br />RESISTANCE REQUIREMENTS.
<br />N. TEST WELLS: INSTALL AT LEAST ONE TEST WELL FOR EACH SERVICE UNLESS OTHERWISE INDICATED.
<br />INSTALLATTHE GROUND ROD ELECTRICALLY CLOSESTTO SERVICE ENTRANCE. SETTOP OF TEST WELL
<br />FLUSH WITH FINISHED GRADE OR FLOOR.
<br />3.03 FIELD QUALITY CONTROL
<br />A. PERFORM INSPECTION, TESTING, AND ADJUSTING IN ACCORDANCE WITH SECTION 014000.
<br />B. INSPECT AND TEST IN ACCORDANCE WITH NETA ATS EXCEPT SECTION 4.
<br />C. TESTS AND I NSPECTIONS:
<br />1. AFTER INSTALLING GROUNDING SYSTEM BUT BEFORE PERMANENT ELECTRICAL CIRCUITS HAVE BEEN
<br />ENERGIZED, TEST FOR COMPLIANCE WITH REQUIREMENTS.
<br />2. INSPECT PHYSICAL AND MECHANICAL CONDITION. VERIFY TIGHTNESS OF ACCESSIBLE, BOLTED,
<br />ELECTRICAL CONNECTIONS WITH A CALIBRATED TORQUE WRENCH ACCORDING TO MANUFACTURER'S
<br />WRITTEN INSTRUCTIONS.
<br />3. TEST COMPLETED GROUNDING SYSTEM AT EACH LOCATION WHERE A MAXIMUM
<br />GROUND -RESISTANCE LEVEL IS SPECIFIED, AT SERVICE DISCONNECT ENCLOSURE GROUNDING
<br />TERMINAL, AT GROUND TEST WELLS, AND AT INDIVIDUAL GROUND RODS. MAKE TESTS AT GROUND
<br />RODS BEFORE ANY CONDUCTORS ARE CONNECTED.
<br />A. MEASURE GROUND RESISTANCE NO FEWER THAN TWO FULL DAYS AFTER LAST TRACE OF PRECIPITATION
<br />AND WITHOUT SOIL BEING MOISTENED BY ANY MEANS OTHER THAN NATURAL DRAINAGE OR SEEPAGE
<br />AND WITHOUT CHEMICAL TREATMENT OR OTHER ARTIFICIAL MEANS OF REDUCING NATURAL GROUND
<br />RESISTANCE.
<br />4. PERFORM TESTS BY FALL -OF -POTENTIAL METHOD ACCORDING TO IEEE 81.
<br />5. PREPARE DIMENSIONED DRAWINGS LOCATING EACH TEST WELL, GROUND ROD AND GROUND -ROD
<br />ASSEMBLY, AND OTHER GROUNDING ELECTRODES. IDENTIFY EACH BY LETTER IN ALPHABETICAL
<br />ORDER, AND KEY TO THE RECORD OF TESTS AND OBSERVATIONS. INCLUDE THE NUMBER OF RODS
<br />DRIVEN AND THEIR DEPTH AT EACH LOCATION, AND INCLUDE OBSERVATIONS OF WEATHER AND
<br />OTHER PHENOMENA THAT MAY AFFECT TEST RESULTS. DESCRIBE MEASURES TAKEN TO IMPROVE
<br />TEST RESULTS
<br />D. GROUNDING SYSTEM WILL BE CONSIDERED DEFECTIVE IF IT DOES NOT PASS TESTS AND INSPECTIONS
<br />E. REPORT MEASURED GROUND RESISTANCES THAT EXCEED THE FOLLOWING VALUES:
<br />1. POWER AND LIGHTING EQUIPMENT OR SYSTEM WITH CAPACITY OF 500 KVA AND LESS: 10 OHMS.
<br />2. POWER DISTRIBUTION UNITS OR PANELBOARDS SERVING ELECTRONIC EQUIPMENT: 3 OHMS.
<br />F. INPATIENT CARE AREAS, TEST THE EFFECTIVENESS OF THE GROUNDING SYSTEM BY PERFORMING
<br />VOLTAGE AND IMPEDANCE MEASUREMENTS. MAKE THE MEASUREMENTS AS REQUIRED BY NFPA 99.
<br />RECORD THE RESULTS AND MAKE THEM AVAILABLE TO THE AUTHORITIES HAVING JURISDICTION AT THE
<br />TIME OF FINAL INSPECTION BY THESE AUTHORITIES.
<br />1. UTILIZE TEST INSTRUMENTS EQUAL TO THOSE SPECIFIED IN NFPA 99.
<br />2. CORRECT ANY WIRING FOUND DEFICIENT.
<br />G. PERFORM TESTS UNDER THE SUPERVISION OF THE MASTER ELECTRICIAN LICENSED IN THE
<br />JURISDICTION WHO WILL CERTIFY THE FINDINGS. THE USE OF A NETA CERTIFIED TESTING AGENCY IS
<br />ACCEPTABLE
<br />H. PERFORM INSPECTIONS AND TESTS LISTED IN NETA ATS, SECTION 7.13.
<br />1. PERFORM GROUND ELECTRODE RESISTANCE TESTS UNDER NORMALLY DRY CONDITIONS.
<br />PRECIPITATION WITHIN THE PREVIOUS 48 HOURS DOES NOT CONSTITUTE NORMALLY DRY CONDITIONS.
<br />J. INVESTIGATE AND CORRECT DEFICIENCIES WHERE MEASURED GROUND RESISTANCES DO NOT COMPLY
<br />WITH SPECIFIED REQUIREMENTS.
<br />K. SUBMIT DETAILED REPORTS INDICATING INSPECTION AND TESTING RESULTS AND CORRECTIVE ACTIONS
<br />TAKEN.
<br />END OF SECTION
<br />SECTION 260529
<br />HANGERS AND SUPPORTS FOR ELECTRICAL SYSTEMS
<br />PART 1 GENERAL
<br />1.01SECTION INCLUDES
<br />A. COMPLY WITH PROVISION OF SECTION 26 0500 COMMON WORK RESULTS FOR ELECTRICAL.
<br />B. SUPPORT AND ATTACHMENT COMPONENTS FOR EQUIPMENT, CONDUIT, CABLE, BOXES, AND OTHER
<br />ELECTRICAL WORK.
<br />C. BASIC MATERIALS AND METHODS, ALONG WITH DIVISION 01, GENERAL REQUIREMENTS, THAT ARE
<br />APPLICABLE TO ALL DIVISION 26 SECTIONS
<br />1.02RELATED REQUIREMENTS
<br />A. SECTION 260534 - RACEWAYS AND CONDUIT SYSTEMS: ADDITIONAL SUPPORT AND ATTACHMENT
<br />REQUIREMENTS FOR CONDUITS.
<br />B. SECTION 260537 - PULL AND JUNCTION BOXES: ADDITIONAL SUPPORT AND ATTACHMENT REQUIREMENTS
<br />FOR BOXES.
<br />C. SECTION 265100 - INTERIOR LIGHTING: ADDITIONAL SUPPORT AND ATTACHMENT REQUIREMENTS FOR
<br />INTERIOR LUMINAIRES.
<br />D. SECTION 265600 - EXTERIOR LIGHTING: ADDITIONAL SUPPORT AND ATTACHMENT REQUIREMENTS FOR
<br />EXTERIOR LUMINAIRES.
<br />1.03REFERENCE STANDARDS
<br />A. ASTM A123/A123M - STANDARD SPECIFICATION FOR ZINC (HOT -DIP GALVANIZED) COATINGS ON IRON AND
<br />STEEL PRODUCTS; 2015.
<br />B. ASTM A153/A153M - STANDARD SPECIFICATION FOR ZINC COATING (HOT -DIP) ON IRON AND STEEL
<br />HARDWARE; 2009.
<br />C. ASTM B633 - STANDARD SPECIFICATION FOR ELECTRODEPOSITED COATINGS OF ZINC ON IRON AND
<br />STEEL; 2013.
<br />D. MFMA 4 METAL FRAMING STANDARDS PUBLICATION; 2004.
<br />E. NECA 1- STANDARD FOR GOOD WORKMANSHIP IN ELECTRICAL CONSTRUCTION; 2010.
<br />F. NFPA 70 - NATIONAL ELECTRICAL CODE; MOST RECENT EDITION ADOPTED BY AUTHORITY HAVING
<br />JURISDICTION, INCLUDING ALL APPLICABLE AMENDMENTS AND SUPPLEMENTS.
<br />G. UL 513 - STRUT -TYPE CHANNEL RACEWAYS AND FITTINGS; CURRENT EDITION, INCLUDING ALL REVISIONS.
<br />1.04SUBMITTALS
<br />A. SEE SECTION 013000 - ADMINISTRATIVE REQUIREMENTS, FOR SUBMITTAL PROCEDURES.
<br />B. PRODUCT DATA: PROVIDE MANUFACTURER'S STANDARD CATALOG PAGES AND DATA SHEETS FOR METAL
<br />CHANNEL (STRUT) FRAMING SYSTEMS, NON -PENETRATING ROOFTOP SUPPORTS, AND POST -INSTALLED
<br />CONCRETE AND MASONRY ANCHORS.
<br />C. SHOP DRAWINGS: INCLUDE DETAILS FOR FABRICATED HANGERS AND SUPPORTS WHERE MATERIALS OR
<br />METHODS OTHER THAN THOSE INDICATED ARE PROPOSED FOR SUBSTITUTION.
<br />D. INSTALLER'S QUALIFICATIONS: INCLUDE EVIDENCE OF COMPLIANCE WITH SPECIFIED REQUIREMENTS.
<br />E. MANUFACTURER'S INSTRUCTIONS: INDICATE APPLICATION CONDITIONS AND LIMITATIONS OF USE
<br />STIPULATED BY PRODUCTTESTING AGENCY. INCLUDE INSTRUCTIONS FOR STORAGE, HANDLING,
<br />PROTECTION, EXAMINATION, PREPARATION, AND INSTALLATION OF PRODUCT.
<br />1.05QUALITY ASSURANCE
<br />A. COMPLY WITH NFPA 70 .
<br />B. COMPLY WITH APPLICABLE BUILDING CODE.
<br />C. MAINTAIN AT THE PROJECT SITE A COPY OF EACH REFERENCED DOCUMENT THAT PRESCRIBES
<br />EXECUTION REQUIREMENTS.
<br />D. INSTALLER QUALIFICATIONS FOR POWDER -ACTUATED FASTENERS (WHEN SPECIFIED): CERTIFIED BY
<br />FASTENER SYSTEM MANUFACTURER WITH CURRENT OPERATOR'S LICENSE.
<br />E. INSTALLER QUALIFICATIONS FOR FIELD -WELDING: AS SPECIFIED IN SECTION 055000.
<br />F. PRODUCT LISTING ORGANIZATION QUALIFICATIONS: AN ORGANIZATION RECOGNIZED BY OSHA AS A
<br />NATIONALLY RECOGNIZED TESTING LABORATORY (NRTL) AND ACCEPTABLE TO AUTHORITIES HAVING
<br />JURISDICTION.
<br />1.06DELIVERY, STORAGE, AND HANDLING
<br />A. RECEIVE, INSPECT, HANDLE, AND STORE PRODUCTS IN ACCORDANCE WITH MANUFACTURER'S
<br />INSTRUCTIONS.
<br />PART 2 PRODUCTS
<br />2.01 SUPPORT AND ATTACHMENT COMPONENTS
<br />A. GENERAL REQUIREMENTS:
<br />1. PROVIDE ALL REQUIRED HANGERS SUPPORTS ANCHORS FASTENERS FITTINGS ACCESSORIES AND
<br />HARDWARE AS NECESSARY FOR THE COMPLETE INSTALLATION OF ELECTRICAL WORK.
<br />2. PROVIDE PRODUCTS LISTED, CLASSIFIED, AND LABELED AS SUITABLE FOR THE PURPOSE INTENDED,
<br />WHERE APPLICABLE.
<br />3. WHERE SUPPORT AND ATTACHMENT COMPONENT TYPES AND SIZES ARE NOT INDICATED, SELECT IN
<br />ACCORDANCE WITH MANUFACTURER'S APPLICATION CRITERIA AS REQUIRED FOR THE LOAD TO BE
<br />SUPPORTED. INCLUDE CONSIDERATION FOR VIBRATION, EQUIPMENT OPERATION, AND SHOCK LOADS
<br />WHERE APPLICABLE.
<br />4. DO NOT USE PRODUCTS FOR APPLICATIONS OTHER THAN AS PERMITTED BY NFPA 70 AND PRODUCT
<br />LISTING.
<br />5. DO NOT USE WIRE, CHAIN, PERFORATED PIPE STRAP, OR WOOD FOR PERMANENT SUPPORTS UNLESS
<br />SPECIFICALLY INDICATED OR PERMITTED.
<br />6. STEEL COMPONENTS: USE CORROSION RESISTANT MATERIALS SUITABLE FOR THE ENVIRONMENT
<br />WHERE INSTALLED.
<br />A. INDOOR DRY LOCATIONS: USE ZINC -PLATED STEEL OR APPROVED EQUIVALENT UNLESS OTHERWISE
<br />INDICATED.
<br />B. ZINC -PLATED STEEL: ELECTROPLATED IN ACCORDANCE WITH ASTM B633 .
<br />C. GALVANIZED STEEL: HOT -DIP GALVANIZED AFTER FABRICATION IN ACCORDANCE WITH ASTM A123/A123M
<br />OR ASTM A153/A153M.
<br />B. OUTLET BOX SUPPORTS: HANGERS, BRACKETS, ETC. SUITABLE FOR THE BOXES TO BE SUPPORTED.
<br />1. MANUFACTURERS:
<br />A. COOPER CROUSE-HINDS, A DIVISION OF EATON CORPORATION: WWW.000PERINDUSTRIES.COM.
<br />B. ERICO INTERNATIONAL CORPORATION: WWW.ERICO.COM.
<br />C. O-Z/GEDNEY, A BRAND OF EMERSON INDUSTRIAL AUTOMATION: WWW.EMERSONINDUSTRIAL.COM.
<br />D. THOMAS & BETTS CORPORATION: WWW.TNB.COM.
<br />E. UNISTRUT; TYCO INTERNATIONAL, LTD.
<br />C. METAL CHANNEL (STRUT) FRAMING SYSTEMS: FACTORY -FABRICATED CONTINUOUS -SLOT METAL
<br />CHANNEL (STRUT) AND ASSOCIATED FITTINGS, ACCESSORIES, AND HARDWARE REQUIRED FOR
<br />FIELD -ASSEMBLY OF SUPPORTS.
<br />1. MANUFACTURERS:
<br />A. COOPER B-LINE, A DIVISION OF EATON CORPORATION: WWW.000PERINDUSTRIES.COM.
<br />B. THOMAS & BETTS CORPORATION: WWW.TNB.COM.
<br />C. UNISTRUT, A BRAND OF ATKORE INTERNATIONAL INC: WWW.UNISTRUT.COM.
<br />D. HANGER RODS: THREADED ZINC -PLATED STEEL UNLESS OTHERWISE INDICATED.
<br />1. MINIMUM SIZE, UNLESS OTHERWISE INDICATED OR REQUIRED:
<br />A. EQUIPMENT SUPPORTS: 1/4 DIAMETER.
<br />B. SINGLE CONDUIT UP TO 1 INCH (27MM) TRADE SIZE: 1/4 INCH DIAMETER.
<br />C. SINGLE CONDUIT LARGER THAN 1 INCH (27MM) TRADE SIZE: 3/8 INCH DIAMETER.
<br />D. TRAPEZE SUPPORT FOR MULTIPLE CONDUITS: 3/8 INCH DIAMETER.
<br />E. OUTLET BOXES: 1/4 INCH DIAMETER.
<br />F. LUMINAIRES: 1/4 INCH DIAMETER.
<br />E. ANCHORS AND FASTENERS:
<br />1. UNLESS OTHERWISE INDICATED AND WHERE NOT OTHERWISE RESTRICTED, USE THE ANCHOR AND
<br />FASTENER TYPES INDICATED FOR THE SPECIFIED APPLICATIONS.
<br />2. CONCRETE: USE PRESET CONCRETE INSERTS, EXPANSION ANCHORS, OR SCREW ANCHORS.
<br />3. SOLID OR GROUT -FILLED MASONRY: USE EXPANSION ANCHORS OR SCREW ANCHORS.
<br />4. STEEL: USE BEAM CLAMPS, MACHINE BOLTS, OR WELDED THREADED STUDS.
<br />5. PLASTIC AND LEAD ANCHORS ARE NOT PERMITTED.
<br />6. PRESET CONCRETE INSERTS: CONTINUOUS METAL CHANNEL (STRUT) AND SPOT INSERTS
<br />SPECIFICALLY DESIGNED TO BE CAST IN CONCRETE CEILINGS, WALLS, AND FLOORS.
<br />A. COMPLY WITH MFMA-4.
<br />B. CHANNEL MATERIAL: USE GALVANIZED STEEL.
<br />C. MANUFACTURER: SAME AS MANUFACTURER OF METAL CHANNEL (STRUT) FRAMING SYSTEM.
<br />7. POST -INSTALLED CONCRETE AND MASONRY ANCHORS: EVALUATED AND RECOGNIZED BY ICC
<br />EVALUATION SERVICE, ( 1 LLC ICC-ES FOR COMPLIANCE WITH APPLICABLE BUILDING CODE.
<br />8. MANUFACTURERS -MECHANICAL ANCHORS:
<br />A. HILT[, INC: WWW.US.HILTI.COM.
<br />B. ITW RED HEAD, A DIVISION OF ILLINOIS TOOL WORKS, INC: WWW.ITWREDHEAD.COM.
<br />C. POWERS FASTENERS, INC: WWW.POWERS.COM.
<br />D. SIMPSON STRONG -TIE COMPANY INC: WWW.STRONGTIE.COM.
<br />PART 3 EXECUTION
<br />3.01 EXAMINATION
<br />A. VERIFY THAT FIELD MEASUREMENTS ARE AS SHOWN ON THE DRAWINGS.
<br />B. VERIFY THAT MOUNTING SURFACES ARE READY TO RECEIVE SUPPORT AND ATTACHMENT COMPONENTS.
<br />C. VERIFY THAT CONDITIONS ARE SATISFACTORY FOR INSTALLATION PRIOR TO STARTING WORK.
<br />3.02 INSTALLATION
<br />A INSTALL PRODUCTS IN ACCORDANCE WITH MANUFACTURER'S INSTRUCTIONS.
<br />B. INSTALL SUPPORT AND ATTACHMENT COMPONENTS IN A NEAT AND WORKMANLIKE MANNER IN
<br />ACCORDANCE WITH NECA 1 .
<br />C. INSTALL ANCHORS AND FASTENERS IN ACCORDANCE WITH ICC EVALUATION SERVICES, LLC (ICC-ES)
<br />EVALUATION REPORT CONDITIONS OF USE WHERE APPLICABLE.
<br />D. PROVIDE INDEPENDENT SUPPORT FROM BUILDING STRUCTURE. DO NOT PROVIDE SUPPORT FROM
<br />PIPING, DUCTWORK, OR OTHER SYSTEMS.
<br />E. UNLESS SPECIFICALLY INDICATED OR APPROVED BY ENGINEER, DO NOT PROVIDE SUPPORT FROM
<br />SUSPENDED CEILING SUPPORT SYSTEM OR CEILING GRID.
<br />F. UNLESS SPECIFICALLY INDICATED OR APPROVED BY ENGINEER, DO NOT PROVIDE SUPPORT FROM ROOF
<br />DECK.
<br />G. DO NOT PENETRATE OR OTHERWISE NOTCH OR CUT STRUCTURAL MEMBERS WITHOUT APPROVAL OF
<br />STRUCTURAL ENGINEER.
<br />H. EQUIPMENT SUPPORT AND ATTACHMENT:
<br />1. USE METAL FABRICATED SUPPORTS OR SUPPORTS ASSEMBLED FROM METAL CHANNEL (STRUT) TO
<br />SUPPORT EQUIPMENT AS REQUIRED.
<br />2. USE METAL CHANNEL (STRUT) SECURED TO STUDS TO SUPPORT EQUIPMENT SURFACE -MOUNTED ON
<br />HOLLOW STUD WALLS WHEN WALL STRENGTH IS NOT SUFFICIENT TO RESIST PULL-OUT.
<br />3. USE METAL CHANNEL (STRUT) TO SUPPORT SURFACE -MOUNTED EQUIPMENT IN WET OR DAMP
<br />LOCATIONS TO PROVIDE SPACE BETWEEN EQUIPMENT AND MOUNTING SURFACE.
<br />4. SECURELY FASTEN FLOOR -MOUNTED EQUIPMENT. DO NOT INSTALL EQUIPMENT SUCH THAT IT RELIES
<br />ON ITS OWN WEIGHT FOR SUPPORT.
<br />I. CONDUIT SUPPORT AND ATTACHMENT: ALSO COMPLY WITH SECTION 260534.
<br />J. BOX SUPPORT AND ATTACHMENT: ALSO COMPLY WITH SECTION 260537.
<br />K. INTERIOR LUMINAIRE SUPPORT AND ATTACHMENT: ALSO COMPLY WITH SECTION 265100.
<br />L. SECURE FASTENERS ACCORDING TO MANUFACTURER'S RECOMMENDED TORQUE SETTINGS.
<br />M. REMOVE TEMPORARY SUPPORTS.
<br />N. FOR SUPPORT OF LOW VOLTAGE WIRING NOT REQUIRED TO BE IN CONDUIT, CONTRACTOR SHALL
<br />BUNDLE CABLES TOGETHER IN A NEAT MANNER USING APPROVED NYLON CABLE TIES. BUNDLED CABLES
<br />SHALL BE SUPPORTED WITH "J" HOOKS ON TELEPHONE TYPE BRIDLE RINGS, A MINIMUM OF SIX FEET ON
<br />CENTERS.
<br />1. USE UL LISTED CABLE TIES FOR PLENUM USE IN PLENUM AREAS.
<br />2. MAXIMUM SUPPORTED WEIGHT RATING OF "1" HOOKS SHALL NOT BE EXCEEDED.
<br />3. IDENTIFY DIFFERING TYPES OF CABLES AND TAG THEM WITH TAPE INDICATING SERVICE, I.E.
<br />TELEPHONE, NURSE CALL AND DICTATION.
<br />4. IDENTIFICATION TAPE SHALL BE PROVIDED AT MINIMUM INTERVALS OF 25 FEET ON CENTER AND
<br />WITHIN EACH INDIVIDUAL SPACE.
<br />3.03 FIELD QUALITY CONTROL
<br />A. SEE SECTION 014000 - QUALITY REQUIREMENTS, FOR ADDITIONAL REQUIREMENTS.
<br />B. INSPECT SUPPORT AND ATTACHMENT COMPONENTS FOR DAMAGE AND DEFECTS.
<br />C. REPAIR CUTS AND ABRASIONS IN GALVANIZED FINISHES USING ZINC -RICH PAINT RECOMMENDED BY
<br />MANUFACTURER. REPLACE COMPONENTS THAT EXHIBIT SIGNS OF CORROSION.
<br />D. CORRECT DEFICIENCIES AND REPLACE DAMAGED OR DEFECTIVE SUPPORT AND ATTACHMENT
<br />COMPONENTS.
<br />END OF SECTION
<br />SECTION 260533
<br />RACEWAYS AND CONDUIT SYSTEMS
<br />PART 1 GENERAL
<br />1.01SECTION INCLUDES
<br />A. BASIC MATERIALS AND METHODS, ALONG WITH DIVISION 01, GENERAL REQUIREMENTS, THAT ARE
<br />APPLICABLE TO ALL DIVISION 26 SECTIONS.
<br />B. COMPLY WITH PROVISION OF SECTION 26 0500 COMMON WORK RESULTS FOR ELECTRICAL.
<br />C. FLEXIBLE METAL CONDUIT (FMC).
<br />D. LIQUIDTIGHT FLEXIBLE METAL CONDUIT (LFMC).
<br />E. ELECTRICAL METALLIC TUBING (EMT).
<br />F. RIGID POLYVINYL CHLORIDE (PVC) CONDUIT.
<br />G. LIQUIDTIGHT FLEXIBLE NONMETALLIC CONDUIT (LFNC).
<br />H. CONDUIT FITTINGS.
<br />I. ACCESSORIES.
<br />1.02RELATED REQUIREMENTS
<br />A. SECTION 078400 - FIRESTOPPING.
<br />B. SECTION 26 0500= COMMON WORK RESULTS FOR ELECTRICAL.
<br />C. SECTION 260526 GROUNDING AND BONDING FOR ELECTRICAL SYSTEMS.
<br />1. INCLUDES ADDITIONAL REQUIREMENTS FOR FITTINGS FOR GROUNDING AND BONDING.
<br />D. SECTION 260529 HANGERS AND SUPPORTS FOR ELECTRICAL SYSTEMS.
<br />E. SECTION 260537 - BOXES.
<br />F. SECTION 260553 - IDENTIFICATION FOR ELECTRICAL SYSTEMS: IDENTIFICATION PRODUCTS AND
<br />REQUIREMENTS.
<br />1.03REFERENCE STANDARDS
<br />A. ANSI C80.3 - AMERICAN NATIONAL STANDARD FOR STEEL ELECTRICAL METALLIC TUBING (EMT); 2005.
<br />B. NECA 1- STANDARD FOR GOOD WORKMANSHIP IN ELECTRICAL CONSTRUCTION; NATIONAL ELECTRICAL
<br />CONTRACTORS ASSOCIATION • 2010.
<br />C. NEMA TC 2 - ELECTRICAL POLYVINYL CHLORIDE (PVC) CONDUIT; NATIONAL ELECTRICAL MANUFACTURERS
<br />ASSOCIATION; 2003.
<br />D. NFPA 70 NATIONAL ELECTRICAL CODE; NATIONAL FIRE PROTECTION ASSOCIATION; MOST RECENT
<br />EDITION ADOPTED BY AUTHORITY HAVING JURISDICTION, INCLUDING ALL APPLICABLE AMENDMENTS AND
<br />SUPPLEMENTS.
<br />E. UL 1- FLEXIBLE METAL CONDUIT; CURRENT EDITION, INCLUDING ALL REVISIONS.
<br />F. UL 360 - LIQUID -TIGHT FLEXIBLE STEEL CONDUIT; CURRENT EDITION, INCLUDING ALL REVISIONS.
<br />G. UL 797 - ELECTRICAL METALLIC TUBING -STEEL; CURRENT EDITION, INCLUDING ALL REVISIONS.
<br />H. UL 1660 - LIQUID -TIGHT FLEXIBLE NONMETALLIC CONDUIT; CURRENT EDITION INCLUDING ALL REVISIONS.
<br />1.04ADMINISTRATIVE REQUIREMENTS
<br />A. COORDINATION:
<br />1. COORDINATE MINIMUM SIZES OF CONDUITS WITH THE ACTUAL CONDUCTORS TO BE INSTALLED,
<br />INCLUDING ADJUSTMENTS FOR CONDUCTOR SIZES INCREASED FOR VOLTAGE DROP.
<br />2. COORDINATE THE ARRANGEMENT OF CONDUITS WITH STRUCTURAL MEMBERS, DUCTWORK, PIPING,
<br />EQUIPMENT AND OTHER POTENTIAL CONFLICTS INSTALLED UNDER OTHER SECTIONS OR BY OTHERS.
<br />3. VERIFY EXACT CONDUIT TERMINATION LOCATIONS REQUIRED FOR BOXES, ENCLOSURES, AND
<br />EQUIPMENT INSTALLED UNDER OTHER SECTIONS OR BY OTHERS.
<br />4. COORDINATE THE WORK WITH OTHER TRADES TO PROVIDE ROOF PENETRATIONS THAT PRESERVE
<br />THE INTEGRITY OF THE ROOFING SYSTEM AND DO NOT VOID THE ROOF WARRANTY.
<br />5. NOTIFY ENGINEER OF ANY CONFLICTS WITH OR DEVIATIONS FROM THE CONTRACT DOCUMENTS.
<br />OBTAIN DIRECTION BEFORE PROCEEDING WITH WORK.
<br />B. SEQUENCING:
<br />1. DO NOT BEGIN INSTALLATION OF CONDUCTORS AND CABLES UNTIL INSTALLATION OF CONDUIT IS
<br />COMPLETE BETWEEN OUTLET, JUNCTION AND SPLICING POINTS.
<br />1.05SUBMITTALS
<br />A. SUBMITTAL OF PRODUCTS FURNISHED UNDER THIS SECTION ARE NOT REQUIRED.
<br />1.06QUALITY ASSURANCE
<br />A. CONFORM TO REQUIREMENTS OF NFPA 70.
<br />1.07DELIVERY, STORAGE, AND HANDLING
<br />A. RECEIVE, INSPECT, HANDLE, AND STORE CONDUIT AND FITTINGS IN ACCORDANCE WITH
<br />MANUFACTURER'S INSTRUCTIONS.
<br />PART 2 PRODUCTS
<br />2.01 CONDUIT APPLICATIONS
<br />A. DO NOT USE CONDUIT AND ASSOCIATED FITTINGS FOR APPLICATIONS OTHER THAN AS PERMITTED BY
<br />NFPA 70 AND PRODUCT LISTING.
<br />B. UNLESS OTHERWISE INDICATED AND WHERE NOT OTHERWISE RESTRICTED, USE THE CONDUIT TYPES
<br />INDICATED FOR THE SPECIFIED APPLICATIONS. WHERE MORE THAN ONE LISTED APPLICATION APPLIES,
<br />COMPLY WITH THE MOST RESTRICTIVE REQUIREMENTS. WHERE CONDUIT TYPE FOR A PARTICULAR
<br />APPLICATION IS NOT SPECIFIED, USE GALVANIZED STEEL RIGID METAL CONDUIT.
<br />C. UNDERGROUND:
<br />1. UNDER SLAB ON GRADE: USE GALVANIZED STEEL RIGID METAL CONDUIT OR RIGID PVC CONDUIT.
<br />2. EXTERIOR, DIRECT -BURIED: USE GALVANIZED STEEL RIGID METAL CONDUIT OR RIGID PVC CONDUIT.
<br />3. WHERE RIGID POLYVINYL (PVC) CONDUIT IS PROVIDED, TRANSITION TO GALVANIZED STEEL RIGID
<br />METAL CONDUIT OR INTERMEDIATE METAL CONDUIT (IMC) WHERE EMERGING FROM UNDERGROUND.
<br />4. WHERE RIGID POLYVINYL (PVC) CONDUIT LARGER THAN 2 INCH (53 MM) TRADE SIZE IS PROVIDED, USE
<br />GALVANIZED STEEL RIGID METAL CONDUIT ELBOWS FOR BENDS.
<br />5. WHERE STEEL CONDUIT IS INSTALLED IN DIRECT CONTACT WITH EARTH WHERE SOIL HAS A
<br />RESISTIVITY OF LESS THAN 2000 OHM -CENTIMETERS OR IS CHARACTERIZED AS SEVERELY
<br />CORROSIVE BASED ON SOILS REPORT OR LOCAL EXPERIENCE, USE CORROSION PROTECTION TAPE
<br />TO PROVIDE SUPPLEMENTARY CORROSION PROTECTION OR USE PVC -COATED GALVANIZED STEEL
<br />RIGID METAL CONDUIT.
<br />D. CONCEALED WITHIN HOLLOW STUD WALLS: USE ELECTRICAL METALLIC TUBING (EMT).
<br />E. CONCEALED ABOVE ACCESSIBLE CEILINGS: USE ELECTRICAL METALLIC TUBING (EMT).
<br />F. INTERIOR, DAMP OR WET LOCATIONS: USE GALVANIZED STEEL RIGID METAL CONDUIT OR INTERMEDIATE
<br />METAL CONDUIT (IMC).
<br />G. CONNECTIONS TO LUMINAIRES ABOVE ACCESSIBLE CEILINGS: USE FLEXIBLE METAL CONDUIT.
<br />1. MAXIMUM LENGTH: 6 FEET.
<br />2. DO NOT USE FOR MORE THAN 6 FEET ON EMERGENCY SYSTEM.
<br />H. CONNECTIONS TO VIBRATING EQUIPMENT:
<br />1. DRY LOCATIONS: USE FLEXIBLE METAL CONDUIT.
<br />2. DAMP, WET, OR CORROSIVE LOCATIONS: USE LIQUIDTIGHT FLEXIBLE METAL CONDUIT.
<br />3. MAXIMUM LENGTH: 6 FEET UNLESS OTHERWISE INDICATED.
<br />4. VIBRATING EQUIPMENT INCLUDES, BUT IS NOT LIMITED TO:
<br />A. MOTORS.
<br />2.02 CONDUIT REQUIREMENTS
<br />A. EXISTING WORK: WHERE EXISTING CONDUITS ARE INDICATED TO BE REUSED, THEY MAY BE REUSED
<br />ONLY WHERE THEY COMPLY WITH SPECIFIED REQUIREMENTS, ARE FREE FROM CORROSION AND
<br />INTEGRITY IS VERIFIED BY PULLING A MANDREL THROUGH THEM.
<br />B. COMMUNICATIONS SYSTEMS CONDUITS: ALSO COMPLY WITH SECTION 271005.
<br />C. FITTINGS FOR GROUNDING AND BONDING: ALSO COMPLY WITH SECTION 260526.
<br />D. PROVIDE ALL CONDUIT, FITTINGS, SUPPORTS, AND ACCESSORIES REQUIRED FOR A COMPLETE RACEWAY
<br />SYSTEM.
<br />E. PROVIDE PRODUCTS LISTED, CLASSIFIED, AND LABELED BY UNDERWRITER'S LABORATORIES INC. (UL) OR
<br />TESTING FIRM ACCEPTABLE TO AUTHORITY HAVING JURISDICTION AS SUITABLE FOR THE PURPOSE
<br />INDICATED.
<br />F. THE WIRING FOR THE LIFE SAFETY AND CRITICAL BRANCHES SHALL BE MECHANICALLY PROTECTED.
<br />G. MINIMUM CONDUIT SIZE, UNLESS OTHERWISE INDICATED:
<br />1. BRANCH CIRCUITS: 3/4 INCH (21 MM) TRADE SIZE.
<br />2. BRANCH CIRCUIT HOMERUNS: 3/4 INCH (21 MM) TRADE SIZE.
<br />3. CONTROL CIRCUITS: 3/4 INCH TRADE SIZE.
<br />4. FLEXIBLE CONNECTIONS TO LUMINAIRES: 3/8 INCH (12 MM) TRADE SIZE.
<br />5. UNDERGROUND, INTERIOR: 1 INCH (27 MM) TRADE SIZE.
<br />6. UNDERGROUND, EXTERIOR: 1 INCH (27 MM) TRADE SIZE.
<br />7. COMMUNICATION: 1 INCH.
<br />H. WHERE CONDUIT SIZE IS NOT INDICATED, SIZE TO COMPLY WITH NFPA 70 BUT NOT LESS THAN
<br />APPLICABLE MINIMUM SIZE REQUIREMENTS SPECIFIED.
<br />2.03 FLEXIBLE METAL CONDUIT (FMC)
<br />A. DESCRIPTION: NFPA 70, TYPE FMC STANDARD WALL STEEL FLEXIBLE METAL CONDUIT LISTED AND
<br />LABELED AS COMPLYING WITH UL 1, AND LISTED FOR USE IN CLASSIFIED FIRESTOP SYSTEMS TO BE
<br />USED.
<br />2.04 LFMC LIQUIDTIGHT FLEXIBLE METAL CONDUIT
<br />(LFMC)
<br />A. DESCRIPTION: NFPA 70, TYPE LFMC POLYVINYL CHLORIDE (PVC) JACKETED STEEL FLEXIBLE METAL
<br />CONDUIT LISTED AND LABELED AS COMPLYING WITH UL 360.
<br />2.05 ELECTRICAL METALLIC TUBING (EMT)
<br />A. DESCRIPTION: NFPA 70, TYPE EMT STEEL ELECTRICAL METALLIC TUBING COMPLYING WITH ANSI C80.3
<br />AND LISTED AND LABELED AS COMPLYING WITH UL 797.
<br />2.06 RIGID POLYVINYL CHLORIDE (PVC) CONDUIT
<br />A. MANUFACTURERS:
<br />1. CANTEX INC: WWW.CANTEXINC.COM.
<br />2. CARLON, A BRAND OF THOMAS & BETTS CORPORATION: WWW.CARLON.COM.
<br />3. JM EAGLE: WWW.JMEAGLE.COM.
<br />B. DESCRIPTION: NFPA 70, TYPE PVC RIGID POLYVINYL CHLORIDE CONDUIT COMPLYING WITH NEMA TC 2
<br />AND LISTED AND LABELED AS COMPLYING WITH UL 651; SCHEDULE 80 UNLESS OTHERWISE INDICATED;
<br />RATED FOR USE WITH CONDUCTORS RATED 90 DEGREES C. CAN BE USED AS FEEDERS IN PATIENT CARE
<br />AREAS. DO NOT USE FOR BRANCH CIRCUIT IN PATIENT CARE AREAS.
<br />2.07 LIQUIDTIGHT FLEXIBLE NONMETALLIC CONDUIT (LFNC)
<br />A. DESCRIPTION: NFPA 70, TYPE LFNC LIQUIDTIGHT FLEXIBLE NONMETALLIC CONDUIT LISTED AND LABELED
<br />AS COMPLYING WITH UL 1660,
<br />PART 3 EXECUTION
<br />3.01 EXAMINATION
<br />A. VERIFY THAT FIELD MEASUREMENTS ARE AS SHOWN ON DRAWINGS.
<br />B. VERIFY THAT MOUNTING SURFACES ARE READY TO RECEIVE CONDUITS.
<br />C. VERIFY THAT CONDITIONS ARE SATISFACTORY FOR INSTALLATION PRIOR TO STARTING WORK.
<br />3.02 INSTALLATION
<br />A. INSTALL PRODUCTS IN ACCORDANCE WITH MANUFACTURER'S INSTRUCTIONS.
<br />B. INSTALL CONDUIT IN A NEAT AND WORKMANLIKE MANNER IN ACCORDANCE WITH NECA 1.
<br />C. INSTALL RIGID POLYVINYL CHLORIDE (PVC) CONDUIT IN ACCORDANCE WITH NECA 111.
<br />D. INSTALL LIQUIDTIGHT FLEXIBLE NONMETALLIC CONDUIT (LFNC) IN ACCORDANCE WITH NECA 111.
<br />E. CONDUIT ROUTING:
<br />1. UNLESS DIMENSIONED, CONDUIT ROUTING INDICATED IS DIAGRAMMATIC.
<br />2. WHEN CONDUIT DESTINATION IS INDICATED AND ROUTING IS NOT SHOWN, DETERMINE EXACT
<br />ROUTING REQUIRED.
<br />3. FAILURE TO ROUTE CONDUITTHROUGH BUILDING WITHOUT INTERFERING WITH OTHER EQUIPMENT
<br />AND CONSTRUCTION SHALL NOT CONSTITUTE A REASON FOR AN EXTRA CHARGE. EQUIPMENT,
<br />CONDUIT, ANDFIXTURES SHALL FIT INTO AVAILABLE SPACES IN BUILDING AND SHALL NOT BE
<br />INTRODUCED INTO BUILDING AT SUCH TIMES AND MANNER AS TO CAUSE DAMAGE TO STRUCTURE.
<br />EQUIPMENT REQUIRING SERVICING SHALL BE READILY ACCESSIBLE.
<br />4. PROVIDE 1/4" NYLON PULL ROPE IN ALL PRIMARY POWER AND INCOMING TELEPHONE SERVICE
<br />ENTRANCE CONDUITS.
<br />5. INSTALL PULL WIRES IN EMPTY CONDUITS. PULL WIRES SHALL BE PLASTIC HAVING MINIMUM 200
<br />POUND TENSILE STRENGTH. LEAVE 3'-0" MINIMUM SLACK AT EACH END OF THE CONDUIT
<br />THENCONDUIT CAPPED AND BUSHED.
<br />6. CONCEAL ALL CONDUITS UNLESS SPECIFICALLY INDICATED TO BE EXPOSED.
<br />7. CONDUITS IN THE FOLLOWING AREAS MAY BE EXPOSED, UNLESS OTHERWISE INDICATED:
<br />A. ELECTRICAL ROOMS.
<br />B. MECHANICAL EQUIPMENT ROOMS.
<br />C. WITHIN JOISTS IN AREAS WITH NO CEILING.
<br />8. CUT SQUARE, REAM, REMOVE BURRS, AND DRAW UP TIGHT. FLATTE NED, DENTED, OR DEFORMED
<br />CONDUIT IS NOT PERMITTED. REMOVE AND REPLACE THE DAMAGED CONDUITS WITH NEW
<br />UNDAMAGED MATERIA
<br />L.
<br />9. CONDUITS INSTALLED UNDERGROUND O EMBEDDED
<br />R E EDDED IN CONCRETE MAY BE ROUTED IN THE
<br />SHORTEST POSSIBLE MANNER UNLESS OTHERWISE INDICATED. ROUTE ALL OTHER CONDUITS
<br />PARALLEL OR PERPENDICULAR TO BUILDING STRUCTURE AND SURFACES, FOLLOWING SURFACE
<br />CONTOURS WHERE PRACTICAL.
<br />10. ARRANGE CONDUIT TO MAINTAIN ADEQUATE HEADROOM, CLEARANCES, AND ACCESS.
<br />11. ARRANGE CONDUIT TO PROVIDE NO MORE THAN THE EQUIVALENT OF FOUR 90 DEGREE BENDS
<br />BETWEEN PULL POINTS.
<br />12. ARRANGE CONDUIT TO PROVIDE NO MORE THAN 100 FEET BETWEEN PULL POINTS.
<br />13. ROUTE CONDUITS ABOVE WATER AND DRAIN PIPING WHERE POSSIBLE.
<br />14. ARRANGE CONDUIT TO PREVENT MOISTURE TRAPS. PROVIDE DRAIN FITTINGS AT LOW POINTS AND AT
<br />SEALING FITTINGS WHERE MOISTURE MAY COLLECT.
<br />15. MAINTAIN MINIMUM CLEARANCE OF 6 INCHES BETWEEN CONDUITS AND PIPING FOR OTHER SYSTEMS
<br />16. MAINTAIN MINIMUM CLEARANCE OF 12 INCHES BETWEEN CONDUITS AND HOT SURFACES. THIS
<br />INCLUDES, BUT IS NOT LIMITED TO:
<br />A. HEATERS.
<br />B. HOT WATER PIPING.
<br />C. FLUES.
<br />17. GROUP PARALLEL CONDUITS IN THE SAME AREA TOGETHER ON A COMMON RACK.
<br />F. CONDUIT SUPPORT:
<br />1. SECURE AND SUPPORT CONDUITS IN ACCORDANCE WITH NFPA 70 AND SECTION 260529 USING
<br />SUITABLE SUPPORTS AND METHODS APPROVED BY THE AUTHORITY HAVING JURISDICTION.
<br />2. PROVIDE INDEPENDENT SUPPORT FROM BUILDING STRUCTURE. DO NOT PROVIDE SUPPORT FROM
<br />PIPING, DUCTWORK, OR OTHER SYSTEMS.
<br />3. INSTALLATION ABOVE SUSPENDED CEILINGS: DO NOT PROVIDE SUPPORT FROM CEILING SUPPORT
<br />SYSTEM. DO NOT PROVIDE SUPPORT FROM CEILING GRID OR ALLOW CONDUITS TO LAY ON CEILING
<br />TILES.
<br />4. USE CONDUIT STRAP TO SUPPORT SINGLE SURFACE -MOUNTED CONDUIT.
<br />A. USE CLAMP BACK SPACER WITH CONDUIT STRAP FOR DAMP AND WET LOCATIONS TO PROVIDE SPACE
<br />BETWEEN CONDUIT AND MOUNTING SURFACE.
<br />5. USE METAL CHANNEL (STRUT) WITH ACCESSORY CONDUIT CLAMPS TO SUPPORT MULTIPLE PARALLEL
<br />SURFACE -MOUNTED CONDUITS.
<br />6. USE CONDUIT CLAMP TO SUPPORT SINGLE CONDUIT FROM BEAM CLAMP OR THREADED ROD.
<br />7. USE TRAPEZE HANGERS ASSEMBLED FROM THREADED RODS AND METAL CHANNEL (STRUT) WITH
<br />ACCESSORY CONDUIT CLAMPS TO SUPPORT MULTIPLE PARALLEL SUSPENDED CONDUITS.
<br />8. USE OF SPRING STEEL CONDUIT CLIPS FOR SUPPORT OF CONDUITS IS NOT PERMITTED.
<br />9. USE OF WIRE FOR SUPPORT OF CONDUITS IS NOT PERMITTED.
<br />10. WHERE CONDUIT SUPPORT INTERVALS SPECIFIED IN NFPA 70 AND NECA STANDARDS DIFFER, COMPLY
<br />WITH THE MOST STRINGENT REQUIREMENTS.
<br />11. SUPPORT WITHIN 12 IN OF CHANGES OF DIRECTION, AND WITHIN 12 IN OF EACH ENCLOSURE TO
<br />WHICH IS CONNECTED.
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<br />No 38680
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<br />George Johnson, P.E.
<br />PE 38680
<br />ISSUE DATE: 10/19/2018
<br />PROJECT NUMBER: 2847
<br />REVISIONS:
<br />NO. DATE I DESCRIPTION
<br />ELECTRICAL SPECIFICATIONS
<br />E502
<br />TO THE BEST OF THE ENGINEERS KNOWLEDGE, THE PLANS AND SPECIFICATIONS COMPLY WITH THE APPLICABLE MINIMUM BUILDING CODES AND THE APPLICABLE FIRE -SAFETY STANDARDS AS DETERMINED BY THE LOCAL AUTHORITY IN ACCORDANCE WITH CHAPTER 553.79 AND CHAPTER 633, FLORIDA STATUTES.
<br />© 2018 APG ENGINEERING
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