519-19-700_VABS_Outpatient Exam Rooms_Issue for Bid Drawings - Electrical.pdf

GENERAL NOTES

1. GENERAL REQUIREMENTS

A. GENERAL

1. DESCRIPTION: FURNISH AND INSTALL ELECTRICAL SYSTEMS, MATERIALS, EQUIPMENT,

AND ACCESSORIES IN ACCORDANCE WITH THE SPECIFICATIONS AND DRAWINGS.

CAPACITIES AND RATINGS OF MOTORS, TRANSFORMERS, CONDUCTORS AND CABLE,

SWITCHBOARDS, SWITCHGEAR, PANELBOARDS, MOTOR CONTROL CENTERS,

GENERATORS, AUTOMATIC TRANSFER SWITCHES, AND OTHER ITEMS AND

ARRANGEMENTS FOR THE SPECIFIED ITEMS ARE SHOWN ON THE DRAWINGS.

2. ELECTRICAL SERVICE ENTRANCE EQUIPMENT AND ARRANGEMENTS FOR TEMPORARY

AND PERMANENT CONNECTIONS TO THE ELECTRIC UTILITY COMPANY’S SYSTEM SHALL

CONFORM TO THE ELECTRIC UTILITY COMPANY’S REQUIREMENTS. COORDINATE FUSES,

CIRCUIT BREAKERS AND RELAYS WITH THE ELECTRIC UTILITY COMPANY’S SYSTEM, AND

OBTAIN ELECTRIC UTILITY COMPANY APPROVAL FOR SIZES AND SETTINGS OF THESE

DEVICES.

3. CONDUCTOR AMPACITIES SPECIFIED OR SHOWN ON THE DRAWINGS ARE BASED ON

COPPER CONDUCTORS, WITH THE CONDUIT AND RACEWAYS SIZED PER NEC. ALUMINUM

CONDUCTORS ARE PROHIBITED.

4. THE LATEST INTERNATIONAL BUILDING CODE (IBC), UNDERWRITERS LABORATORIES, INC.

(UL), INSTITUTE OF ELECTRICAL AND ELECTRONICS ENGINEERS (IEEE), AND NATIONAL

FIRE PROTECTION ASSOCIATION (NFPA) CODES AND STANDARDS ARE THE MINIMUM

REQUIREMENTS FOR MATERIALS AND INSTALLATION.

5. THE DRAWINGS AND SPECIFICATIONS SHALL GOVERN IN THOSE INSTANCES WHERE

REQUIREMENTS ARE GREATER THAN THOSE STATED IN THE ABOVE CODES AND

STANDARDS.

6. TEST STANDARDS: ALL MATERIALS AND EQUIPMENT SHALL BE LISTED, LABELED, OR

CERTIFIED BY A NATIONALLY RECOGNIZED TESTING LABORATORY (NRTL) TO MEET

UNDERWRITERS LABORATORIES, INC. (UL), STANDARDS WHERE TEST STANDARDS HAVE

BEEN ESTABLISHED. MATERIALS AND EQUIPMENT WHICH ARE NOT COVERED BY UL

STANDARDS WILL BE ACCEPTED, PROVIDING THAT MATERIALS AND EQUIPMENT ARE

LISTED, LABELED, CERTIFIED OR OTHERWISE DETERMINED TO MEET THE SAFETY

REQUIREMENTS OF A NRTL. MATERIALS AND EQUIPMENT WHICH NO NRTL ACCEPTS,

CERTIFIES, LISTS, LABELS, OR DETERMINES TO BE SAFE, WILL BE CONSIDERED IF

INSPECTED OR TESTED IN ACCORDANCE WITH NATIONAL INDUSTRIAL STANDARDS, SUCH

AS ANSI, NEMA, AND NETA. EVIDENCE OF COMPLIANCE SHALL INCLUDE CERTIFIED TEST

REPORTS AND DEFINITIVE SHOP DRAWINGS.

7. MATERIALS AND EQUIPMENT PROTECTION: MATERIALS AND EQUIPMENT SHALL BE

PROTECTED DURING SHIPMENT AND STORAGE AGAINST PHYSICAL DAMAGE, VERMIN,

DIRT, CORROSIVE SUBSTANCES, FUMES, MOISTURE, COLD AND RAIN.

8. WORK PERFORMANCE

a. ALL ELECTRICAL WORK SHALL COMPLY WITH REQUIREMENTS OF THE LATEST NFPA 70

(NEC), NFPA 70B, NFPA 70E, NFPA 99, NFPA 110, OSHA PART 1910 SUBPART J –

GENERAL ENVIRONMENTAL CONTROLS, OSHA PART 1910 SUBPART K – MEDICAL AND

FIRST AID, AND OSHA PART 1910 SUBPART S – ELECTRICAL, IN ADDITION TO OTHER

REFERENCES REQUIRED BY CONTRACT.

b. JOB SITE SAFETY AND WORKER SAFETY IS THE RESPONSIBILITY OF THE

CONTRACTOR.

c. FOR WORK THAT AFFECTS EXISTING ELECTRICAL SYSTEMS, ARRANGE, PHASE AND

PERFORM WORK TO ASSURE MINIMAL INTERFERENCE WITH NORMAL FUNCTIONING OF

THE FACILITY. REFER TO ARTICLE OPERATIONS AND STORAGE AREAS UNDER

SECTION GENERAL REQUIREMENTS.

d. NEW WORK SHALL BE INSTALLED AND CONNECTED TO EXISTING WORK NEATLY, SAFELY AND PROFESSIONALLY. DISTURBED OR DAMAGED WORK SHALL BE REPLACED

OR REPAIRED TO ITS PRIOR CONDITIONS, AS REQUIRED BY SECTION GENERAL

REQUIREMENTS.

e. COORDINATE LOCATION OF EQUIPMENT AND CONDUIT WITH OTHER TRADES TO

MINIMIZE INTERFERENCE.

9. EQUIPMENT INSTALLATION AND REQUIREMENTS:

a. EQUIPMENT LOCATION SHALL BE AS CLOSE AS PRACTICAL TO LOCATIONS SHOWN ON

THE DRAWINGS.

b. WORKING CLEARANCES SHALL NOT BE LESS THAN SPECIFIED IN THE NEC.

c. ELECTRICAL SERVICE ENTRANCE EQUIPMENT AND ARRANGEMENTS FOR TEMPORARY

AND PERMANENT CONNECTIONS TO THE ELECTRIC UTILITY COMPANY’S SYSTEM

SHALL CONFORM TO THE ELECTRIC UTILITY COMPANY'S REQUIREMENTS.

COORDINATE FUSES, CIRCUIT BREAKERS AND RELAYS WITH THE ELECTRIC UTILITY

COMPANY’S SYSTEM, AND OBTAIN ELECTRIC UTILITY COMPANY APPROVAL FOR SIZES

AND SETTINGS OF THESE DEVICES.

10. EQUIPMENT ID

a. IN ADDITION TO THE REQUIREMENTS OF THE NEC, INSTALL AN IDENTIFICATION SIGN

WHICH CLEARLY INDICATES INFORMATION REQUIRED FOR USE AND MAINTENANCE OF

ITEMS SUCH AS SWITCHBOARDS AND SWITCHGEAR, PANELBOARDS, CABINETS,

MOTOR CONTROLLERS, FUSED AND NON-FUSED SAFETY SWITCHES, GENERATORS,

AUTOMATIC TRANSFER SWITCHES, SEPARATELY ENCLOSED CIRCUIT BREAKERS,

INDIVIDUAL BREAKERS AND CONTROLLERS IN SWITCHBOARDS, SWITCHGEAR AND

MOTOR CONTROL ASSEMBLIES, CONTROL DEVICES AND OTHER SIGNIFICANT

EQUIPMENT.

b. INSTALL ADHESIVE ARC FLASH WARNING LABELS ON ALL EQUIPMENT AS REQUIRED BY

THE LATEST NFPA 70E. LABEL SHALL SHOW SPECIFIC AND CORRECT INFORMATION

FOR SPECIFIC EQUIPMENT BASED ON ITS ARC FLASH CALCULATIONS.

B. SUBMITTALS

1. SUBMIT SHOP DRAWINGS, PRODUCT DATA, AND SAMPLES IN APPROPRIATE SUBMITTAL

PACKAGES.

2. APPROVAL SHALL BE OBTAINED FOR ALL MATERIALS AND EQUIPMENT BEFORE DELIVERY

TO THE JOB SITE. DELIVERY, STORAGE OR INSTALLATION OF MATERIALS AND

EQUIPMENT WHICH HAS NOT HAD PRIOR APPROVAL WILL NOT BE PERMITTED.

3. ALL SUBMITTALS SHALL INCLUDE SIX COPIES OF ADEQUATE DESCRIPTIVE LITERATURE,

CATALOG CUTS, SHOP DRAWINGS, TEST REPORTS, CERTIFICATIONS, SAMPLES, AND

OTHER DATA NECESSARY FOR THE TO ASCERTAIN THAT THE PROPOSED MATERIALS AND

EQUIPMENT COMPLY WITH DRAWING AND SPECIFICATION REQUIREMENTS. CATALOG

CUTS SUBMITTED FOR APPROVAL SHALL BE LEGIBLE AND CLEARLY IDENTIFY SPECIFIC

MATERIALS AND EQUIPMENT BEING SUBMITTED.

4. SUBMITTALS FOR INDIVIDUAL SYSTEMS AND EQUIPMENT ASSEMBLIES WHICH CONSIST OF

MORE THAN ONE ITEM OR COMPONENT SHALL BE MADE FOR THE SYSTEM OR ASSEMBLY

AS A WHOLE. PARTIAL SUBMITTALS WILL NOT BE CONSIDERED FOR APPROVAL.

5. SUBMIT AS REQUIRED FOR SYSTEMS AND EQUIPMENT SPECIFIED IN THE TECHNICAL

SECTIONS. FURNISH IN HARDCOVER BINDERS OR AN APPROVED EQUIVALENT.

6. APPROVALS WILL BE BASED ON COMPLETE SUBMISSION OF SHOP DRAWINGS, MANUALS,

TEST REPORTS, CERTIFICATIONS, AND SAMPLES AS APPLICABLE.

7. WARRANTY

a. ALL WORK PERFORMED AND ALL EQUIPMENT AND MATERIAL FURNISHED UNDER THIS

DIVISION SHALL BE FREE FROM DEFECTS AND SHALL REMAIN SO FOR A PERIOD OF

ONE YEAR FROM THE DATE OF ACCEPTANCE OF THE ENTIRE INSTALLATION.

2. LOW VOLTAGE ELECTRICAL POWER CONDUCTORS AND CABLES

A. GENERAL

1. DESCRIPTION: FURNISHING, INSTALLATION, CONNECTION, AND TESTING OF THE

ELECTRICAL CONDUCTORS AND CABLES FOR USE IN ELECTRICAL SYSTEMS RATED 600 V

AND BELOW, INDICATED AS CABLE(S), CONDUCTOR(S), WIRE, OR WIRING IN THIS SECTION.

2. SUBMITTALS

a. SHOP DRAWINGS: SUBMIT SUFFICIENT INFORMATION TO DEMONSTRATE COMPLIANCE

WITH DRAWINGS AND SPECIFICATIONS.

b. SHOP DRAWINGS: ELECTRICAL RATINGS AND INSULATION TYPE FOR EACH

CONDUCTOR AND CABLE.

c. SUBMIT THE FOLLOWING DATA FOR APPROVAL: ELECTRICAL RATINGS AND

INSULATION TYPE FOR EACH CONDUCTOR AND CABLE.

d. SUBMIT THE FOLLOWING DATA FOR APPROVAL: SPLICING MATERIALS AND PULLING

LUBRICANT.

B. PRODUCTS

1. CONDUCTORS AND CABLES

a. CONDUCTORS AND CABLES SHALL BE IN ACCORDANCE WITH ASTM, NEMA, NFPA, UL, AS SPECIFIED, AND AS SHOWN ON THE DRAWINGS.

b. ALL CONDUCTORS SHALL BE COPPER.

c. SINGLE CONDUCTOR AND CABLE:

• NO. 12 AWG: MINIMUM SIZE, EXCEPT WHERE SMALLER SIZES ARE SPECIFIED

HEREIN OR SHOWN ON THE DRAWINGS.

• NO. 8 AWG AND LARGER: STRANDED.

• NO. 10 AWG AND SMALLER: SOLID; EXCEPT SHALL BE STRANDED FOR FINAL

CONNECTION TO MOTORS, TRANSFORMERS, AND VIBRATING EQUIPMENT.

• INSULATION: THHN-THWN AND XHHW-2. XHHW-2 SHALL BE USED FOR ISOLATED

POWER SYSTEMS.

d. COLOR CODE:

• NO. 10 AWG AND SMALLER: SOLID COLOR INSULATION OR SOLID COLOR COATING.

• NO. 8 AWG AND LARGER: COLOR-CODED USING ONE OF THE FOLLOWING

METHODS:

• SOLID COLOR INSULATION OR SOLID COLOR COATING.

• STRIPES, BANDS, OR HASH MARKS OF COLOR SPECIFIED.

• COLOR USING 19 MM (0.75 INCHES) WIDE TAPE.

e. FOR MODIFICATIONS AND ADDITIONS TO EXISTING WIRING SYSTEMS, COLOR CODING

SHALL CONFORM TO THE EXISTING WIRING SYSTEM.

f. LIGHTING CIRCUIT “SWITCH LEGS”, AND 3-WAY AND 4-WAY SWITCH “TRAVELING

WIRES,” SHALL HAVE COLOR CODING THAT IS UNIQUE AND DISTINCT (E.G., PINK AND

PURPLE) FROM THE COLOR CODING INDICATED ABOVE. THE UNIQUE COLOR CODES

SHALL BE SOLID AND IN ACCORDANCE WITH THE NEC. COORDINATE COLOR CODING IN

THE FIELD CLIENT PROJECT REPRESENTATIVE.

g. COLOR CODE FOR ISOLATED POWER SYSTEM WIRING SHALL BE IN ACCORDANCE WITH

THE NEC.

• 208/120V PHASE 480/277V

• BLACK A BROWN

• RED B ORANGE

• BLUE C YELLOW

• WHITE NEUTRAL GRAY*

• * OR WHITE WITH COLORED (OTHER THAN GREEN) TRACER.

3. GROUNDING AND BONDING FOR ELECTRICAL SYSTEMS

A. GENERAL

1. DESCRIPTION: FURNISHING, INSTALLATION, CONNECTION, AND TESTING OF GROUNDING

AND BONDING EQUIPMENT, INDICATED AS GROUNDING EQUIPMENT IN THIS SECTION.

2. “GROUNDING ELECTRODE SYSTEM” REFERS TO GROUNDING ELECTRODE CONDUCTORS

AND ALL ELECTRODES REQUIRED OR ALLOWED BY NEC, AS WELL AS MADE,

SUPPLEMENTARY, AND LIGHTNING PROTECTION SYSTEM GROUNDING ELECTRODES.

3. THE TERMS “CONNECT” AND “BOND” ARE USED INTERCHANGEABLY IN THIS SECTION AND

HAVE THE SAME MEANING.

4. SUBMITTALS

a. SHOP DRAWINGS:

• SUBMIT SUFFICIENT INFORMATION TO DEMONSTRATE COMPLIANCE WITH

DRAWINGS AND SPECIFICATIONS.

• SUBMIT PLANS SHOWING THE LOCATION OF SYSTEM GROUNDING ELECTRODES

AND CONNECTIONS, AND THE ROUTING OF ABOVEGROUND AND UNDERGROUND

GROUNDING ELECTRODE CONDUCTORS.

B. PRODUCTS

1. GROUNDING AND BONDING CONDUCTORS

a. EQUIPMENT GROUNDING CONDUCTORS SHALL BE INSULATED STRANDED COPPER, EXCEPT THAT SIZES NO. 10 AWG AND SMALLER SHALL BE SOLID COPPER. INSULATION

COLOR SHALL BE CONTINUOUS GREEN FOR ALL EQUIPMENT GROUNDING

CONDUCTORS, EXCEPT THAT WIRE SIZES NO. 4 AWG AND LARGER SHALL BE

IDENTIFIED PER NEC.

b. BONDING CONDUCTORS SHALL BE BARE STRANDED COPPER, EXCEPT THAT SIZES

NO. 10 AWG AND SMALLER SHALL BE BARE SOLID COPPER. BONDING CONDUCTORS

SHALL BE STRANDED FOR FINAL CONNECTION TO MOTORS, TRANSFORMERS, AND

VIBRATING EQUIPMENT.

c. CONDUCTOR SIZES SHALL NOT BE LESS THAN SHOWN ON THE DRAWINGS, OR NOT

LESS THAN REQUIRED BY THE NEC, WHICHEVER IS GREATER.

d. INSULATION: THHN-THWN AND XHHW-2. XHHW-2 SHALL BE USED FOR ISOLATED

POWER SYSTEMS.

2. GROUND RODS: CONCRETE ENCASED ELECTRODE SHALL BE NO. 4 AWG BARE COPPER

WIRE, INSTALLED PER NEC.

3. GROUND CONNECTIONS:

a. BELOW GRADE:

• BELOW GRADE AND INACCESSIBLE LOCATIONS: EXOTHERMIC-WELDED TYPE

CONNECTORS.

b. ABOVE GRADE:

• BONDING JUMPERS: LISTED FOR USE WITH ALUMINUM AND COPPER

CONDUCTORS. FOR WIRE SIZES NO. 8 AWG AND LARGER, USE COMPRESSION-

TYPE CONNECTORS. FOR WIRE SIZES SMALLER THAN NO. 8 AWG, USE

MECHANICAL TYPE LUGS. CONNECTORS OR LUGS SHALL USE ZINC-PLATED STEEL

BOLTS, NUTS, AND WASHERS. BOLTS SHALL BE TORQUED TO THE VALUES

RECOMMENDED BY THE MANUFACTURER.

• CONNECTION TO BUILDING STEEL: EXOTHERMIC-WELDED TYPE CONNECTORS.

• CONNECTION TO GROUNDING BUS BARS: LISTED FOR USE WITH ALUMINUM AND

COPPER CONDUCTORS. USE MECHANICAL TYPE LUGS, WITH ZINC-PLATED STEEL

BOLTS, NUTS, AND WASHERS. BOLTS SHALL BE TORQUED TO THE VALUES

RECOMMENDED BY THE MANUFACTURER.

• CONNECTION TO EQUIPMENT RACK AND CABINET GROUND BARS: LISTED FOR USE

WITH ALUMINUM AND COPPER CONDUCTORS. USE MECHANICAL TYPE LUGS, WITH

//ZINC-PLATED//CADMIUM-PLATED// STEEL BOLTS, NUTS, AND WASHERS. BOLTS

SHALL BE TORQUED TO THE VALUES RECOMMENDED BY THE MANUFACTURER.

c. EQUIPMENT RACK AND CABINET GROUND BARS: PROVIDE SOLID COPPER GROUND

BARS DESIGNED FOR MOUNTING ON THE FRAMEWORK OF OPEN OR CABINET-

ENCLOSED EQUIPMENT RACKS. GROUND BARS SHALL HAVE MINIMUM DIMENSIONS

OF 6.3 MM (0.25 INCH) THICK X 19 MM (0.75 INCH) WIDE, WITH LENGTH AS REQUIRED OR

AS SHOWN ON THE DRAWINGS. PROVIDE INSULATORS AND MOUNTING BRACKETS.

d. GROUND TERMINAL BLOCKS: AT ANY EQUIPMENT MOUNTING LOCATION (E.G., BACKBOARDS AND HINGED COVER ENCLOSURES) WHERE RACK-TYPE GROUND BARS

CANNOT BE MOUNTED, PROVIDE MECHANICAL TYPE LUGS, WITH ZINC-PLATED STEEL

BOLTS, NUTS, AND WASHERS. BOLTS SHALL BE TORQUED TO THE VALUES

RECOMMENDED BY THE MANUFACTURER.

e. GROUNDING BUS BAR: PRE-DRILLED RECTANGULAR COPPER BAR WITH STAND-OFF

INSULATORS, MINIMUM 6.3 MM (0.25 INCH) THICK X 100 MM (4 INCHES) HIGH IN CROSS-

SECTION, LENGTH AS SHOWN ON THE DRAWINGS, WITH HOLE SIZE, QUANTITY, AND

SPACING PER DETAIL SHOWN ON THE DRAWINGS. PROVIDE INSULATORS AND

MOUNTING BRACKETS.

4. RACEWAY AND BOXES FOR ELECTRICAL SYSTEMS

A. GENERAL

1. DESCRIPTION: FURNISHING, INSTALLATION, AND CONNECTION OF CONDUIT, FITTINGS,

AND BOXES, TO FORM COMPLETE, COORDINATED, GROUNDED RACEWAY SYSTEMS.

RACEWAYS ARE REQUIRED FOR ALL WIRING UNLESS SHOWN OR SPECIFIED OTHERWISE.

2. THE TERM CONDUIT, AS USED IN THIS SPECIFICATION, SHALL MEAN ANY OR ALL OF THE

RACEWAY TYPES SPECIFIED.

3. SUBMITTALS

a. SHOP DRAWINGS: SIZE AND LOCATION OF MAIN FEEDERS, SIZE AND LOCATION OF

PANELS AND PULL-BOXES, LAYOUT OF REQUIRED CONDUIT PENETRATIONS

THROUGH STRUCTURAL ELEMENTS, RACEWAY TYPES AND SIZES, CONDUIT BODIES,

CONNECTORS AND FITTINGS, JUNCTION AND PULL BOXES, TYPES AND SIZES.

B. PRODUCTS

1. MATERIALS:

a. CONDUIT SIZE: IN ACCORDANCE WITH THE NEC, BUT NOT LESS THAN 13 MM (0.5-

INCH) UNLESS OTHERWISE SHOWN.

2. MATERIALS – CONDUIT:

a. SIZE: IN ACCORDANCE WITH THE NEC, BUT NOT LESS THAN 13 MM (0.5-INCH).

b. RIGID STEEL CONDUIT (RMC): SHALL CONFORM TO UL 6 AND NEMA C80.1.

c. RIGID INTERMEDIATE STEEL CONDUIT (IMC): SHALL CONFORM TO UL 1242 AND NEMA

C80.6.

d. ELECTRICAL METALLIC TUBING (EMT): SHALL CONFORM TO UL 797 AND NEMA C80.3.

MAXIMUM SIZE NOT TO EXCEED 105 MM (4 INCHES) AND SHALL BE

e. FLEXIBLE METAL CONDUIT: SHALL CONFORM TO UL 1.

f. LIQUID-TIGHT FLEXIBLE METAL CONDUIT: SHALL CONFORM TO UL 360.

g. DIRECT BURIAL PLASTIC CONDUIT: SHALL CONFORM TO UL 651 AND UL 651A, HEAVY

WALL PVC OR HIGH DENSITY POLYETHYLENE (PE).

h. SURFACE METAL RACEWAY: SHALL CONFORM TO UL 5.

2. SPLICES

a. SPLICES SHALL BE IN ACCORDANCE WITH NEC AND UL.

b. ABOVE GROUND SPLICES FOR NO. 10 AWG AND SMALLER:

• SOLDERLESS, SCREW-ON, REUSABLE PRESSURE CABLE TYPE, WITH INTEGRAL

INSULATION, APPROVED FOR COPPER AND ALUMINUM CONDUCTORS.

• THE INTEGRAL INSULATOR SHALL HAVE A SKIRT TO COMPLETELY COVER THE

STRIPPED CONDUCTORS.

• THE NUMBER, SIZE, AND COMBINATION OF CONDUCTORS USED WITH THE

CONNECTOR, AS LISTED ON THE MANUFACTURER'S PACKAGING, SHALL BE

STRICTLY FOLLOWED.

c. ABOVE GROUND SPLICES FOR NO. 8 AWG TO NO. 4/0 AWG:

• COMPRESSION, HEX SCREW, OR BOLT CLAMP-TYPE OF HIGH CONDUCTIVITY AND

CORROSION-RESISTANT MATERIAL, LISTED FOR USE WITH COPPER AND

ALUMINUM CONDUCTORS.

• INSULATE WITH MATERIALS APPROVED FOR THE PARTICULAR USE, LOCATION,

VOLTAGE, AND TEMPERATURE. INSULATION LEVEL SHALL BE NOT LESS THAN THE

INSULATION LEVEL OF THE CONDUCTORS BEING JOINED.

• SPLICE AND INSULATION SHALL BE PRODUCT OF THE SAME MANUFACTURER.

• ALL BOLTS, NUTS, AND WASHERS USED WITH SPLICES SHALL BE ZINC-PLATED

STEEL.

3. CONNECTIONS:

a. MECHANICAL TYPE OF HIGH CONDUCTIVITY AND CORROSION-RESISTANT MATERIAL, LISTED FOR USE WITH COPPER AND ALUMINUM CONDUCTORS.

b. LONG BARREL COMPRESSION TYPE OF HIGH CONDUCTIVITY AND

CORROSION-RESISTANT MATERIAL, WITH MINIMUM OF TWO COMPRESSION INDENTS

PER WIRE, LISTED FOR USE WITH COPPER AND ALUMINUM CONDUCTORS.

c. ALL BOLTS, NUTS, AND WASHERS USED TO CONNECT CONNECTIONS AND

TERMINATIONS TO BUS BARS OR OTHER TERMINATION POINTS SHALL BE ZINC-PLATED

STEEL.

4. CONTROL WIRING

a. UNLESS OTHERWISE SPECIFIED ELSEWHERE IN THESE SPECIFICATIONS, CONTROL

WIRING SHALL BE AS SPECIFIED HEREIN, EXCEPT THAT THE MINIMUM SIZE SHALL BE

NOT LESS THAN NO. 14 AWG.

b. CONTROL WIRING SHALL BE SIZED SUCH THAT THE VOLTAGE DROP UNDER IN-RUSH

CONDITIONS DOES NOT ADVERSELY AFFECT OPERATION OF THE CONTROLS.

C. EXECUTION

1. GENERAL

a. INSTALLATION SHALL BE IN ACCORDANCE WITH THE NEC, AS SHOWN ON THE

DRAWINGS, AND MANUFACTURER’S INSTRUCTIONS.

b. INSTALL ALL CONDUCTORS IN RACEWAY SYSTEMS.

c. SPLICE CONDUCTORS ONLY IN OUTLET BOXES, JUNCTION BOXES, PULLBOXES, MANHOLES, OR HANDHOLES.

d. CONDUCTORS OF DIFFERENT SYSTEMS (E.G., 120 V AND 277 V) SHALL NOT BE

INSTALLED IN THE SAME RACEWAY.

e. INSTALL CABLE SUPPORTS FOR ALL VERTICAL FEEDERS IN ACCORDANCE WITH THE

NEC. PROVIDE SPLIT WEDGE TYPE WHICH FIRMLY CLAMPS EACH INDIVIDUAL CABLE

AND TIGHTENS DUE TO CABLE WEIGHT.

f. IN PANELBOARDS, CABINETS, WIREWAYS, SWITCHES, ENCLOSURES, AND EQUIPMENT

ASSEMBLIES, NEATLY FORM, TRAIN, AND TIE THE CONDUCTORS WITH NON-METALLIC

TIES.

g. FOR CONNECTIONS TO MOTORS, TRANSFORMERS, AND VIBRATING EQUIPMENT, STRANDED CONDUCTORS SHALL BE USED ONLY FROM THE LAST FIXED POINT OF

CONNECTION TO THE MOTORS, TRANSFORMERS, OR VIBRATING EQUIPMENT.

h. USE EXPANDING FOAM OR NON-HARDENING DUCT-SEAL TO SEAL CONDUITS

ENTERING A BUILDING, AFTER INSTALLATION OF CONDUCTORS.

i. NO MORE THAN THREE BRANCH CIRCUITS SHALL BE INSTALLED IN ANY ONE CONDUIT.

2. SPLICES AND TERMINATIONS INSTALLATION: SPLICES AND TERMINATIONS SHALL BE

MECHANICALLY AND ELECTRICALLY SECURE, AND TIGHTENED TO MANUFACTURER’S

PUBLISHED TORQUE VALUES USING A TORQUE SCREWDRIVER OR WRENCH.

3. CONDUCTOR IDENTIFICATION: WHEN USING COLORED TAPE TO IDENTIFY PHASE,

NEUTRAL, AND GROUND CONDUCTORS LARGER THAN NO. 8 AWG, APPLY TAPE IN HALF-

OVERLAPPING TURNS FOR A MINIMUM OF 75 MM (3 INCHES) FROM TERMINAL POINTS, AND

IN JUNCTION BOXES, PULLBOXES, AND MANHOLES. APPLY THE LAST TWO LAPS OF TAPE

WITH NO TENSION TO PREVENT POSSIBLE UNWINDING. WHERE CABLE MARKINGS ARE

COVERED BY TAPE, APPLY TAGS TO CABLE, STATING SIZE AND INSULATION TYPE.

4. FEEDER CONDUCTOR IDENTIFICATION: IN EACH INTERIOR PULLBOX AND EACH

UNDERGROUND MANHOLE AND HANDHOLE, INSTALL BRASS TAGS ON ALL FEEDER

CONDUCTORS TO CLEARLY DESIGNATE THEIR CIRCUIT IDENTIFICATION AND VOLTAGE.

THE TAGS SHALL BE THE EMBOSSED TYPE, 40 MM (1-1/2 INCHES) IN DIAMETER AND 40

MILS THICK. ATTACH TAGS WITH PLASTIC TIES.

5. EXISTING CONDUCTORS: UNLESS SPECIFICALLY INDICATED ON THE PLANS, EXISTING

CONDUCTORS SHALL NOT BE REUSED.

6. CONTROL WIRING INSTALLATION: INSTALL A SEPARATE POWER SUPPLY CIRCUIT FOR

EACH SYSTEM, EXCEPT WHERE OTHERWISE SHOWN ON THE DRAWINGS.

7. ACCEPTANCE CHECKS AND TESTS:

a. AFTER INSTALLATION BUT BEFORE CONNECTION TO UTILIZATION DEVICES, SUCH AS

FIXTURES, MOTORS, OR APPLIANCES, TEST CONDUCTORS PHASE-TO-PHASE AND

PHASE-TO-GROUND RESISTANCE WITH AN INSULATION RESISTANCE TESTER.

EXISTING CONDUCTORS TO BE REUSED SHALL ALSO BE TESTED.

b. PERFORM PHASE ROTATION TEST ON ALL THREE-PHASE CIRCUITS

C. EXECUTION

1. GENERAL

a. INSTALLATION SHALL BE IN ACCORDANCE WITH THE NEC, AS SHOWN ON THE

DRAWINGS, AND MANUFACTURER’S INSTRUCTIONS.

b. SYSTEM GROUNDING

• SECONDARY SERVICE NEUTRALS: GROUND AT THE SUPPLY SIDE OF THE

SECONDARY DISCONNECTING MEANS AND AT THE RELATED TRANSFORMER.

• SEPARATELY DERIVED SYSTEMS (TRANSFORMERS DOWNSTREAM FROM THE

SERVICE ENTRANCE): GROUND THE SECONDARY NEUTRAL.

• ISOLATION TRANSFORMERS AND ISOLATED POWER SYSTEMS SHALL NOT BE

SYSTEM GROUNDED.

c. EQUIPMENT GROUNDING: METALLIC PIPING, BUILDING STRUCTURAL STEEL, ELECTRICAL ENCLOSURES, RACEWAYS, JUNCTION BOXES, OUTLET BOXES, CABINETS, MACHINE FRAMES, AND OTHER CONDUCTIVE ITEMS IN CLOSE PROXIMITY WITH

ELECTRICAL CIRCUITS, SHALL BE BONDED AND GROUNDED.

2. INACCESSIBLE GROUNDING CONNECTIONS

a. MAKE GROUNDING CONNECTIONS, WHICH ARE NORMALLY BURIED OR OTHERWISE

INACCESSIBLE, BY EXOTHERMIC WELD.

3. SECONDARY VOLTAGE EQUIPMENT AND CIRCUITS

a. MAIN BONDING JUMPER: BOND THE SECONDARY SERVICE NEUTRAL TO THE GROUND

BUS IN THE SERVICE EQUIPMENT.

b. METALLIC PIPING, BUILDING STRUCTURAL STEEL, AND SUPPLEMENTAL ELECTRODE(S)

c. PROVIDE A GROUNDING ELECTRODE CONDUCTOR SIZED PER NEC BETWEEN THE

SERVICE EQUIPMENT GROUND BUS AND ALL METALLIC WATER PIPE SYSTEMS,

BUILDING STRUCTURAL STEEL, AND SUPPLEMENTAL OR MADE ELECTRODES.

PROVIDE JUMPERS ACROSS INSULATING JOINTS IN THE METALLIC PIPING.

d. PROVIDE A SUPPLEMENTAL GROUND ELECTRODE AS SHOWN ON THE DRAWINGS AND

BOND TO THE GROUNDING ELECTRODE SYSTEM.

e. SWITCHGEAR, SWITCHBOARDS, UNIT SUBSTATIONS, PANELBOARDS, MOTOR

CONTROL CENTERS, ENGINE-GENERATORS, AUTOMATIC TRANSFER SWITCHES, AND

OTHER ELECTRICAL EQUIPMENT:

f. CONNECT THE EQUIPMENT GROUNDING CONDUCTORS TO THE GROUND BUS.

g. CONNECT METALLIC CONDUITS BY GROUNDING BUSHINGS AND EQUIPMENT

GROUNDING CONDUCTOR TO THE EQUIPMENT GROUND BUS.

h. EXTERIOR: EXTERIOR TRANSFORMERS SUPPLYING INTERIOR SERVICE EQUIPMENT

SHALL HAVE THE NEUTRAL GROUNDED AT THE TRANSFORMER SECONDARY. PROVIDE

A GROUNDING ELECTRODE AT THE TRANSFORMER.

i. SEPARATELY DERIVED SYSTEMS (TRANSFORMERS DOWNSTREAM FROM SERVICE

EQUIPMENT): GROUND THE SECONDARY NEUTRAL AT THE TRANSFORMER. PROVIDE A

GROUNDING ELECTRODE CONDUCTOR FROM THE TRANSFORMER TO THE NEAREST

COMPONENT OF THE GROUNDING ELECTRODE SYSTEM OR THE GROUND BAR AT THE

SERVICE EQUIPMENT.

4. RACEWAY

a. CONDUIT SYSTEMS

• GROUND ALL METALLIC CONDUIT SYSTEMS. ALL METALLIC CONDUIT SYSTEMS

SHALL CONTAIN AN EQUIPMENT GROUNDING CONDUCTOR.

• NON-METALLIC CONDUIT SYSTEMS, EXCEPT NON-METALLIC FEEDER CONDUITS

THAT CARRY A GROUNDED CONDUCTOR FROM EXTERIOR TRANSFORMERS TO

INTERIOR OR BUILDING-MOUNTED SERVICE ENTRANCE EQUIPMENT, SHALL

CONTAIN AN EQUIPMENT GROUNDING CONDUCTOR.

• METALLIC CONDUIT THAT ONLY CONTAINS A GROUNDING CONDUCTOR, AND IS

PROVIDED FOR ITS MECHANICAL PROTECTION, SHALL BE BONDED TO THAT

CONDUCTOR AT THE ENTRANCE AND EXIT FROM THE CONDUIT.

• METALLIC CONDUITS WHICH TERMINATE WITHOUT MECHANICAL CONNECTION TO

AN ELECTRICAL EQUIPMENT HOUSING BY MEANS OF LOCKNUT AND BUSHINGS OR

ADAPTERS, SHALL BE PROVIDED WITH GROUNDING BUSHINGS. CONNECT

BUSHINGS WITH A EQUIPMENT GROUNDING CONDUCTOR TO THE EQUIPMENT

GROUND BUS.

• FEEDERS AND BRANCH CIRCUITS: INSTALL EQUIPMENT GROUNDING CONDUCTORS

WITH ALL FEEDERS, AND POWER AND LIGHTING BRANCH CIRCUITS.

• BOXES, CABINETS, ENCLOSURES, AND PANELBOARDS: BOND THE EQUIPMENT

GROUNDING CONDUCTOR TO EACH PULLBOX, JUNCTION BOX, OUTLET BOX,

DEVICE BOX, CABINETS, AND OTHER ENCLOSURES THROUGH WHICH THE

CONDUCTOR PASSES (EXCEPT FOR SPECIAL GROUNDING SYSTEMS FOR

INTENSIVE CARE UNITS AND OTHER CRITICAL UNITS SHOWN).

• BOXES, CABINETS, ENCLOSURES, AND PANELBOARDS: PROVIDE LUGS IN EACH

BOX AND ENCLOSURE FOR EQUIPMENT GROUNDING CONDUCTOR TERMINATION.

b. RECEPTACLES SHALL NOT BE GROUNDED THROUGH THEIR MOUNTING SCREWS.

GROUND RECEPTACLES WITH A JUMPER FROM THE RECEPTACLE GREEN GROUND

TERMINAL TO THE DEVICE BOX GROUND SCREW AND A JUMPER TO THE BRANCH

CIRCUIT EQUIPMENT GROUNDING CONDUCTOR.

c. GROUND LIGHTING FIXTURES TO THE EQUIPMENT GROUNDING CONDUCTOR OF THE

WIRING SYSTEM. FIXTURES CONNECTED WITH FLEXIBLE CONDUIT SHALL HAVE A

GREEN GROUND WIRE INCLUDED WITH THE POWER WIRES FROM THE FIXTURE

THROUGH THE FLEXIBLE CONDUIT TO THE FIRST OUTLET BOX.

5. CORROSION INHIBITORS: WHEN MAKING GROUNDING AND BONDING CONNECTIONS,

APPLY A CORROSION INHIBITOR TO ALL CONTACT SURFACES. USE CORROSION

INHIBITOR APPROPRIATE FOR PROTECTING A CONNECTION BETWEEN THE METALS USED.

6. CONDUCTIVE PIPING: BOND ALL CONDUCTIVE PIPING SYSTEMS, INTERIOR AND

EXTERIOR, TO THE GROUNDING ELECTRODE SYSTEM. BONDING CONNECTIONS SHALL BE

MADE AS CLOSE AS PRACTICAL TO THE EQUIPMENT GROUND BUS.

7. LIGHTNING PROTECTION SYSTEM: BOND THE LIGHTNING PROTECTION SYSTEM TO THE

ELECTRICAL GROUNDING ELECTRODE SYSTEM.

8. MAIN ELECTRICAL ROOM GROUNDING: PROVIDE GROUND BUS BAR AND MOUNTING

HARDWARE AT EACH MAIN ELECTRICAL ROOM WHERE INCOMING FEEDERS ARE

TERMINATED, AS SHOWN ON THE DRAWINGS. CONNECT TO PIGTAIL EXTENSIONS OF THE

BUILDING GROUNDING RING, AS SHOWN ON THE DRAWINGS.

9. EXTERIOR LIGHT POLES: PROVIDE 6.1 M (20 FEET) OF NO. 4 AWG BARE COPPER COILED

AT BOTTOM OF POLE BASE EXCAVATION PRIOR TO POUR, PLUS ADDITIONAL UN-SPLICED

LENGTH IN AND ABOVE FOUNDATION AS REQUIRED TO REACH POLE GROUND STUD.

10. GROUND ROD INSTALLATAION:

a. FOR OUTDOOR INSTALLATIONS, DRIVE EACH ROD VERTICALLY IN THE EARTH, UNTIL

TOP OF ROD IS 610 MM (24 INCHES) BELOW FINAL GRADE.

b. FOR INDOOR INSTALLATIONS, LEAVE 100 MM (4 INCHES) OF EACH ROD EXPOSED.

c. WHERE BURIED OR PERMANENTLY CONCEALED GROUND CONNECTIONS ARE

REQUIRED, MAKE THE CONNECTIONS BY THE EXOTHERMIC PROCESS, TO FORM

SOLID METAL JOINTS. MAKE ACCESSIBLE GROUND CONNECTIONS WITH MECHANICAL

PRESSURE-TYPE GROUND CONNECTORS.

3. MATERIALS – CONDUIT FITTINGS

a. RIGID STEEL AND INTERMEDIATE METALLIC CONDUIT FITTINGS: FITTINGS SHALL

MEET THE REQUIREMENTS OF UL 514B AND NEMA FB1.

b. FITTINGS SHALL MEET THE REQUIREMENTS OF UL 514B AND NEMA FB1.

c. STANDARD THREADED COUPLINGS, LOCKNUTS, BUSHINGS, CONDUIT BODIES, AND

ELBOWS: ONLY STEEL OR MALLEABLE IRON MATERIALS ARE ACCEPTABLE. INTEGRAL

RETRACTABLE TYPE IMC COUPLINGS ARE ALSO ACCEPTABLE.

d. LOCKNUTS: BONDING TYPE WITH SHARP EDGES FOR DIGGING INTO THE METAL WALL

OF AN ENCLOSURE.

e. BUSHINGS: METALLIC INSULATING TYPE, CONSISTING OF AN INSULATING INSERT, MOLDED OR LOCKED INTO THE METALLIC BODY OF THE FITTING. BUSHINGS MADE

ENTIRELY OF METAL OR NONMETALLIC MATERIAL ARE NOT PERMITTED.

f. ERICKSON (UNION-TYPE) AND SET SCREW TYPE COUPLINGS: APPROVED FOR USE IN

CONCRETE ARE PERMITTED FOR USE TO COMPLETE A CONDUIT RUN WHERE

CONDUIT IS INSTALLED IN CONCRETE. USE SET SCREWS OF CASE-HARDENED STEEL

WITH HEX HEAD AND CUP POINT TO FIRMLY SEAT IN CONDUIT WALL FOR POSITIVE

GROUND. TIGHTENING OF SET SCREWS WITH PLIERS IS PROHIBITED.

g. SEALING FITTINGS: THREADED CAST IRON TYPE. USE CONTINUOUS DRAIN-TYPE

SEALING FITTINGS TO PREVENT PASSAGE OF WATER VAPOR. IN CONCEALED WORK,

INSTALL FITTINGS IN FLUSH STEEL BOXES WITH BLANK COVER PLATES HAVING THE

SAME FINISHES AS THAT OF OTHER ELECTRICAL PLATES IN THE ROOM.

h. ELECTRICAL METALLIC TUBING FITTINGS:

• FITTINGS AND CONDUIT BODIES SHALL MEET THE REQUIREMENTS OF UL 514B,

NEMA C80.3, AND NEMA FB1.

• ONLY STEEL OR MALLEABLE IRON MATERIALS ARE ACCEPTABLE.

• COMPRESSION COUPLINGS AND CONNECTORS: CONCRETE-TIGHT AND RAIN-

TIGHT, WITH CONNECTORS HAVING INSULATED THROATS.

• SETSCREW COUPLINGS AND CONNECTORS: USE SETSCREWS OF CASE-

HARDENED STEEL WITH HEX HEAD AND CUP POINT, TO FIRMLY SEAT IN WALL OF

CONDUIT FOR POSITIVE GROUNDING.

• INDENT-TYPE CONNECTORS OR COUPLINGS ARE PROHIBITED.

• DIE-CAST OR PRESSURE-CAST ZINC-ALLOY FITTINGS OR FITTINGS MADE OF "POT

METAL" ARE PROHIBITED.

i. FLEXIBLE METAL CONDUIT FITTINGS:

• CONFORM TO UL 514B. ONLY STEEL OR MALLEABLE IRON MATERIALS ARE

ACCEPTABLE.

• CLAMP-TYPE, WITH INSULATED THROAT.

j. LIQUID-TIGHT FLEXIBLE METAL CONDUIT FITTINGS:

• FITTINGS SHALL MEET THE REQUIREMENTS OF UL 514B AND NEMA FB1.

• ONLY STEEL OR MALLEABLE IRON MATERIALS ARE ACCEPTABLE.

• FITTINGS MUST INCORPORATE A THREADED GROUNDING CONE, A STEEL OR

PLASTIC COMPRESSION RING, AND A GLAND FOR TIGHTENING. CONNECTORS

SHALL HAVE INSULATED THROATS.

k. DIRECT BURIAL PLASTIC CONDUIT FITTINGS: FITTINGS SHALL MEET THE

REQUIREMENTS OF UL 514C AND NEMA TC3.

l. SURFACE METAL RACEWAY FITTINGS: AS RECOMMENDED BY THE RACEWAY

MANUFACTURER. INCLUDE COUPLINGS, OFFSETS, ELBOWS, EXPANSION JOINTS,

ADAPTERS, HOLD-DOWN STRAPS, END CAPS, CONDUIT ENTRY FITTINGS,

ACCESSORIES, AND OTHER FITTINGS AS REQUIRED FOR COMPLETE SYSTEM.

4. CONDUIT SUPPORTS

a. PARTS AND HARDWARE: ZINC-COAT OR PROVIDE EQUIVALENT CORROSION

PROTECTION.

b. INDIVIDUAL CONDUIT HANGERS: DESIGNED FOR THE PURPOSE, HAVING A

PRE-ASSEMBLED CLOSURE BOLT AND NUT, AND PROVISIONS FOR RECEIVING A

HANGER ROD.

c. MULTIPLE CONDUIT (TRAPEZE) HANGERS: NOT LESS THAN 38 MM X 38 MM (1.5 X 1.5

INCHES), 12-GAUGE STEEL, COLD-FORMED, LIPPED CHANNELS; WITH NOT LESS THAN

9 MM (0.375-INCH) DIAMETER STEEL HANGER RODS.

5. OUTLET, JUNCTION, AND PULL BOXES:

a. COMPLY WITH UL-50 AND UL-514A.

b. RUSTPROOF CAST METAL WHERE REQUIRED BY THE NEC OR SHOWN ON DRAWINGS.

c. SHEET METAL BOXES: GALVANIZED STEEL, EXCEPT WHERE SHOWN ON DRAWINGS.

C. EXECUTION

1. PENETRATIONS

a. CUT HOLES THROUGH CONCRETE AND MASONRY IN NEW AND EXISTING

STRUCTURES WITH A DIAMOND CORE DRILL OR CONCRETE SAW. PNEUMATIC

HAMMERS, IMPACT ELECTRIC, HAND, OR MANUAL HAMMER-TYPE DRILLS ARE NOT

ALLOWED, EXCEPT WHEN PERMITTED WHERE WORKING SPACE IS LIMITED.

b. FIRESTOP: WHERE CONDUITS, WIREWAYS, AND OTHER ELECTRICAL RACEWAYS

PASS THROUGH FIRE PARTITIONS, FIRE WALLS, SMOKE PARTITIONS, OR FLOORS,

INSTALL A FIRE STOP THAT PROVIDES AN EFFECTIVE BARRIER AGAINST THE SPREAD

OF FIRE, SMOKE AND GASES AS SPECIFIED IN SECTION FIRESTOPPING.

c. WATERPROOFING: AT FLOOR, EXTERIOR WALL, AND ROOF CONDUIT PENETRATIONS, COMPLETELY SEAL THE GAP AROUND CONDUIT TO RENDER IT WATERTIGHT, AS

SPECIFIED WITH APPROVED JOINT SEALANTS.

2. INSTALLATION

a. IN ACCORDANCE WITH NEC, NEMA, UL, AS SHOWN ON DRAWINGS, AND AS SPECIFIED

HEREIN.

b. INSTALL CONDUIT AS FOLLOWS:

• IN COMPLETE MECHANICALLY AND ELECTRICALLY CONTINUOUS RUNS BEFORE

PULLING IN CABLES OR WIRES.

• UNLESS OTHERWISE INDICATED ON THE DRAWINGS OR SPECIFIED HEREIN,

INSTALLATION OF ALL CONDUITS SHALL BE CONCEALED WITHIN FINISHED WALLS,

FLOORS, AND CEILINGS.

• FLATTENED, DENTED, OR DEFORMED CONDUIT IS NOT PERMITTED. REMOVE AND

REPLACE THE DAMAGED CONDUITS WITH NEW CONDUITS.

• ASSURE CONDUIT INSTALLATION DOES NOT ENCROACH INTO THE CEILING

HEIGHT HEAD ROOM, WALKWAYS, OR DOORWAYS.

• CUT CONDUITS SQUARE, REAM, REMOVE BURRS, AND DRAW UP TIGHT.

• DO NOT USE SUSPENDED CEILINGS, SUSPENDED CEILING SUPPORTING

MEMBERS, LIGHTING FIXTURES, OTHER CONDUITS, CABLE TRAY, BOXES, PIPING,

OR DUCTS TO SUPPORT CONDUITS AND CONDUIT RUNS.

• SUPPORT WITHIN 300 MM (12 INCHES) OF CHANGES OF DIRECTION, AND WITHIN

300 MM (12 INCHES) OF EACH ENCLOSURE TO WHICH CONNECTED.

• CLOSE ENDS OF EMPTY CONDUITS WITH PLUGS OR CAPS AT THE ROUGH-IN

STAGE UNTIL WIRES ARE PULLED IN, TO PREVENT ENTRY OF DEBRIS.

• SECURE CONDUITS TO CABINETS, JUNCTION BOXES, PULL-BOXES, AND OUTLET

BOXES WITH BONDING TYPE LOCKNUTS. FOR RIGID STEEL AND IMC CONDUIT

INSTALLATIONS, PROVIDE A LOCKNUT ON THE INSIDE OF THE ENCLOSURE, MADE

UP WRENCH TIGHT. DO NOT MAKE CONDUIT CONNECTIONS TO JUNCTION BOX

COVERS.

• CONDUIT BODIES SHALL ONLY BE USED FOR CHANGES IN DIRECTION, AND SHALL

NOT CONTAIN SPLICES.

c. CONDUIT BENDS: MAKE BENDS WITH STANDARD CONDUIT BENDING MACHINES, CONDUIT HICKEY MAY BE USED FOR SLIGHT OFFSETS AND FOR STRAIGHTENING

STUBBED OUT CONDUITS, BENDING OF CONDUITS WITH A PIPE TEE OR VISE IS

PROHIBITED.

d. LAYOUT AND HOMERUNS: INSTALL CONDUIT WITH WIRING, INCLUDING HOMERUNS, AS SHOWN ON DRAWINGS.

3. CONCEALED WORK INSTALLATION

a. IN CONCRETE:

• CONDUIT: RIGID STEEL, IMC, OR EMT. DO NOT INSTALL EMT IN CONCRETE SLABS

THAT ARE IN CONTACT WITH SOIL, GRAVEL, OR VAPOR BARRIERS.

• INSTALLATION OF CONDUIT IN CONCRETE THAT IS LESS THAN 75 MM (3 INCHES)

THICK IS PROHIBITED.

b. ABOVE FURRED OR SUSPENDED CEILINGS AND IN WALLS:

• CONDUIT FOR CONDUCTORS 600 V AND BELOW: RIGID STEEL, IMC, OR EMT.

MIXING DIFFERENT TYPES OF CONDUITS IN THE SAME SYSTEM IS PROHIBITED.

• ALIGN AND RUN CONDUIT PARALLEL OR PERPENDICULAR TO THE BUILDING LINES.

• CONNECT RECESSED LIGHTING FIXTURES TO CONDUIT RUNS WITH MAXIMUM 1.8

M (6 FEET) OF FLEXIBLE METAL CONDUIT EXTENDING FROM A JUNCTION BOX TO

THE FIXTURE.

• FOR CONDUITS RUNNING THROUGH METAL STUDS, LIMIT FIELD CUT HOLES TO NO

MORE THAN 70% OF WEB DEPTH. SPACING BETWEEN HOLES SHALL BE AT LEAST

457 MM (18 INCHES). CUTS OR NOTCHES IN FLANGES OR RETURN LIPS SHALL NOT

BE PERMITTED.

4. EXPOSED WORK INSTALLATION

a. UNLESS OTHERWISE INDICATED ON DRAWINGS, EXPOSED CONDUIT IS ONLY

PERMITTED IN MECHANICAL AND ELECTRICAL ROOMS.

b. CONDUIT FOR CONDUCTORS 600 V AND BELOW: RIGID STEEL, IMC OR EMT. MIXING

DIFFERENT TYPES OF CONDUITS IN THE SYSTEM IS PROHIBITED.

c. ALIGN AND RUN CONDUIT PARALLEL OR PERPENDICULAR TO THE BUILDING LINES.

d. INSTALL HORIZONTAL RUNS CLOSE TO THE CEILING OR BEAMS AND SECURE WITH

CONDUIT STRAPS.

5. WET OR DAMP LOCATIONS

a. USE RIGID STEEL OR IMC CONDUITS UNLESS AS SHOWN ON DRAWINGS.

b. PROVIDE SEALING FITTINGS TO PREVENT PASSAGE OF WATER VAPOR WHERE

CONDUITS PASS FROM WARM TO COLD LOCATIONS, I.E., REFRIGERATED SPACES,

CONSTANT-TEMPERATURE ROOMS, AIR-CONDITIONED SPACES, BUILDING EXTERIOR

WALLS, ROOFS, OR SIMILAR SPACES.

6. MOTORS AND VIBRATING EQUIPMENT

a. USE FLEXIBLE METAL CONDUIT FOR CONNECTIONS TO MOTORS AND OTHER

ELECTRICAL EQUIPMENT SUBJECT TO MOVEMENT, VIBRATION, MISALIGNMENT,

CRAMPED QUARTERS, OR NOISE TRANSMISSION.

b. USE LIQUID-TIGHT FLEXIBLE METAL CONDUIT FOR INSTALLATION IN EXTERIOR

LOCATIONS, MOISTURE OR HUMIDITY LADEN ATMOSPHERE, CORROSIVE

ATMOSPHERE, WATER OR SPRAY WASH-DOWN OPERATIONS, INSIDE AIRSTREAM OF

HVAC UNITS, AND LOCATIONS SUBJECT TO SEEPAGE OR DRIPPING OF OIL, GREASE,

OR WATER.

c. PROVIDE A GREEN EQUIPMENT GROUNDING CONDUCTOR WITH FLEXIBLE AND

LIQUID-TIGHT FLEXIBLE METAL CONDUIT.

Project Number

Building Number

Drawing Number

Project Title

Location

Issue Date Checked Drawn

Drawing Title

APPROVING OFFICIAL:

VA FORM 08 - 6231

A

FULLY SPRINKLERED

Office of Construction and Facilities Management

U.S. Department of Veterans Affairs

B

C

D

E

F

A

B

C

D

E

F

21 4 5 6 7 8 9 10

Phase

ARCHITECT/ENGINEER OF RECORD

A/E:

STAMPCONSULTANT

321 4 5 6 7 8 9 10

MEP

O'Brien Engineering, Inc.

2340 E. Trinity Mills Rd. Ste 200

Carrollton, TX 75006

972-233-2288 www.obrieneng.com

OEI - LBL Joint Venture LLC

2340 E. Trinity Mills Rd. Ste 200

Carrollton, TX 75006

972-233-2288 www.obrieneng.com

O'Brien Engineering, Inc., Managing Partner

COR, Mr. JOSHUA JUNKIN

B

IM

/V

A B ig S p ri n g

O u tp a ti e n t

E x a m

R o o m s /0

.0

V

A B

S O u tp a ti e n t E x a m R o o m s E

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E001

COVER SHEET - GENERAL NOTES

- SHEET LOG

OUTPATIENT CLINIC

Big Spring, TX

519-19-700

03/17/2023 LRL JRM

100% ISSUE FOR BID

WEST TEXAS VETERANS HEALTH CARE SYSTEM

OUTPATIENT CLINIC

519-19-700

BIG SPRING, TEXAS

SHEET INDEX

NUMBER NAME

EP104 ELECTRICAL POWER HVAC PHASE II

E003 COVER SHEET - GENERAL NOTES - ABBREVIATIONS

E002 COVER SHEET - GENERAL NOTES - ABBREVIATIONS

E001 COVER SHEET - GENERAL NOTES - SHEET LOG

E004 COVER SHEET - SYMBOLS

ED101 FIRST FLOOR PLAN DEMOLITION

EP100 FIRST FLOOR PLAN OVERALL

EP101 FIRST FLOOR PLAN POWER

EP102 ELECTRICAL ENLARGED VIEWS

EP103 ELECTRICAL POWER HVAC PHASE I

EL101 FIRST FLOOR PLAN LIGHTING

E901 ELECTRICAL RISER DIAGRAM

E601 ELECTRICAL PANEL SCHEDULES

SHEET LOG

SHEET REVISION

NUMBER NAME REV DATE DESCRIPTION

E001 COVER SHEET - GENERAL NOTES - SHEET LOG 1 03/06/2023 ISSUE FOR BID

E002 COVER SHEET - GENERAL NOTES - ABBREVIATIONS 1 03/06/2023 ISSUE FOR BID

E003 COVER SHEET - GENERAL NOTES - ABBREVIATIONS 1 03/06/2023 ISSUE FOR BID

E004 COVER SHEET - SYMBOLS 1 03/06/2023 ISSUE FOR BID

E601 ELECTRICAL PANEL SCHEDULES 1 03/06/2023 ISSUE FOR BID

E901 ELECTRICAL RISER DIAGRAM 1 03/06/2023 ISSUE FOR BID

ED101 FIRST FLOOR PLAN DEMOLITION 1 03/06/2023 ISSUE FOR BID

EL101 FIRST FLOOR PLAN LIGHTING 1 03/06/2023 ISSUE FOR BID

EP100 FIRST FLOOR PLAN OVERALL 1 03/06/2023 ISSUE FOR BID

EP101 FIRST FLOOR PLAN POWER 1 03/06/2023 ISSUE FOR BID

EP102 ELECTRICAL ENLARGED VIEWS 1 03/06/2023 ISSUE FOR BID

EP103 ELECTRICAL POWER HVAC PHASE I 1 03/06/2023 ISSUE FOR BID

EP104 ELECTRICAL POWER HVAC PHASE II 1 03/06/2023 ISSUE FOR BID

Revisions: Date:

ISSUE FOR BID 03/06/2023

3/17/23

ABBREVIATIONS

1PH SINGLE PHASE

1P SINGLE POLE

2/C TWO-CONDUCTOR

3/C THREE-CONDUCTOR

3PH THREE-PHASE

4/C FOUR-CONDUCTOR

4W FOUR-WIRE

A/C UNIT AIR CONDITIONING UNIT

A/E ARCHITECT/ENGINEER

AAP ALARM ANNUNCIATOR PANEL

AC ALTERNATING CURRENT OR ARMORED CABLE

ACC ACCESSIBLE

ADDL ADDITIONAL

ADJ ADJACENT, ADJOINING

AF AMPERE FRAME OR AMP FUSE

AFC ABOVE FINISHED COUNTER, AUTOMATIC FREQUENCY

CONTROL, OR AVAILABLE FAULT CURRENT

AFCI ARC-FAULT CURRENT INTERRUPTER

AFF ABOVE FINISHED FLOOR

AFG ABOVE FINISHED GRADE

AFIB ARC FAULT CIRCUIT INTERRUPTER CIRCUIT BREAKER.

AF/GF ARC FAULT AND GROUND FAULT CIRCUIT INTERRUPTER

Ah AMPERE HOUR

AHJ AUTHORITY HAVING JURISDICTION

AIC AMPERE INTERRUPTING CAPACITY

ALT ALTERNATE

AMB AMBIENT

AMP AMPERE

ARCH ARCHITECT

ASC AMPS SHORT CIRCUIT

AT AMPERE TRIP

ATS AUTOMATIC TRANSFER SWITCH

AUTO AUTOMATIC

AV AUDIO VISUAL

BAT BATTERY

BD BOARD

BFF BELOW FINISHED FLOOR

BLDG BUILDING

BRK RBREAKER

BYP BYPASS

C CONDUIT

CAB CABINET (MOUNTED)

CALC CALCULATE

CAP CAPACITY

CAT CATALOG

CATV COMMUNITY ANTENNA TELEVISION

CCR CONTROL CONTRACTOR

CCTV CLOSED CIRCUIT TELEVISION

cd CANDELA

CD CONSTRUCTION DOCUMENTS

CF CONTRACTOR FINISHED

CF/CI CONTRACTOR FINISHED/CONTRACTOR INSTALLED

CFE CONTRACTOR FINISHED EQUIPMENT

CHW CHILLED WATER

CHWP CHILLED WATER PUMP

CKT CIRCUIT

CKT BRKR CIRCUIT BREAKER

OR C/B

CLF CURRENT LIMITING FUSE

CLG CEILING

COAX COAX CABLE

COMM COMMUNICATION

COMPT COMPARTMENT

CONC CONCRETE

CONT CONTINUE

CONTR CONTRACTOR

COORD COORDINATE

CPT CONTROL POWER TRANSFORMER

CRI COLOR RENDERING INDEX

CT CURRENT TRANSFORMER

CTV CABLE TELEVISION

CU COPPER

CUR CURRENT

dB DECIBEL

DC DIRECT CURRENT

DCP DIMMER CONTROL PANEL

DEG C DEGREES CELCIUS

DEG F DEGREES FAHRENHEIT

DEMO DEMOLITION

DIAG DIAGRAM

DISC DISCONNECT

DISTR PNL DISTRIBUTION PANEL

DMR SW DIMMER SWITCH

DPDT DOUBLE POLE, DOUBLE THROW

DPST DOUBLE POLE, SINGLE THROW

DRSW DOOR SWITCH

DS DISCONNECT SWITCH

DWG DRAWING

EL ELEVATION

ELEC ELECTRIC OR ELECTRICAL

ELEV ELEVATOR

EMER EMERGENCY

EMI ELECTROMAGNETIC INTERFERENCE

EMT ELECTRICAL METALLIC TUBING

ENCL ENCLOSURE

EPO EMERGENCY POWER OFF

EPRF EXPLOSION PROOF

ESMT EASEMENT

EWC ELECTRIC WATER COOLER

EWH ELECTRIC WATER HEATER

EXIST OR (E) EXISTING

FA FIRE ALARM

FAAP FIRE ALARM ANNUNCIATOR PANEL

FACP FIRE ALARM CONTROL PANEL

FC FOOTCANDLE

FIXT FIXTURE

FLA FULL LOAD AMPS

FLUOR FLUORESCENT

FP FIRE PROTECTION

FSD FIRE SMOKE DAMPER

FT FEET OR FOOT

FU SW FUSED SWITCH

FVNR FULL VOTAGE NON-REVERSING

FVR FULL VOLTAGE REVERSING

G ELECTRICAL GROUND

GEN GENERATOR

GFI GROUND FAULT INTERRUPTER

GFIB GROUND FAULT CIRCUIT INTERRUPTER VIA CIRCUIT

BREAKER.

HID HIGH INTENSITY DISCHARGE

HOA HAND-OFF-AUTOMATIC

HP HORSEPOWER

HT HEIGHT

HZ HERTZ

IESNA ILLUMINATION ENGINEERING SOCIETY OF

NORTH AMERICA

IMC INTERMEDIATE METAL CONDUIT

INCAND INCANDESCENT

IR INFRARED

IWH INSTANTANEOUS WATER HEATER

J-BOX JUNCTION BOX

kV KILOVOLT kVA KILOVOLT AMPERE kVAh KILOVOLT AMPERE PER HOUR kVAR KILOVOLT AMPERE REACTIVE kW KILOWATT kWh KILOWATT HOUR kWhM KILOWATT HOUR METER

LED LIGHT EMITTING DIODE

LF LINEAR FEET (FOOT)

LP LIGHT POLE

LPS LOW PRESSURE SODIUM

LRA LOCKED ROTOR AMPS

LT LIGHT

LTG LIGHTING

LTG PNL LIGHTING PANEL

LTNG LIGHTNING

LV LOW VOLTAGE

MAX MAXIMUM

MC METAL-CLAD

MCA MINIMUM CIRCUIT AMPS

MCB MAIN CIRCUIT BREAKER

MCC MOTOR CONTROL CENTER

MD MOTORIZED DAMPER

MECH MECHANICAL

MH MANHOLE

MIN MINIMUM

MOCP MAXIMUM OVERCURRENT PROTECTION

MLA MAIN LUGS ONLY

MT MOUNT

MTD MOUNTED

MTG MOUNTING

MTS MANUAL TRANSFER SWITCH

MV MEDIUM VOLTAGE

MVA MEGAVOLT-AMPERE

MW MEGAWATT

NA NOT APPLICABLE

NC NORMALLY CLOSED

NEC NATIONAL ELECTRIC CODE

NEMA NATIONAL ELECTRICAL MANUFACTURERS ASSOCIATION

NEUT OR N NEUTRAL

NFPA NATIONAL FIRE PROTECTION ASSOCIATION

NIC NOT IN CONTRACT

NL NIGHT LIGHT

NO NORMALLY OPEN

NTS NOT TO SCALE

OC ON CENTER

OD OUTSIDE DIAMETER

OL OVERLOAD

P POLE

PB PULL BOX

PEC PHOTOELECTRIC CELL

PED PEDESTAL

PEND PENDANT

PF POWER FACTOR

PH PHASE

PNL PANEL

PT POTENTIAL TRANSFORMER

PVC POLYVINYL CHLORIDE (PLASTIC)

PWR POWER

RCP REFLECTED CEILING PLAN

RE RELOCATED EXISTING

REC RECESSED

RECPT RECEPTACLE

RM ROOM

RMS ROOT MEAN SQUARE

REQD REQUIRED

SCC SHORT CIRCUIT CAPACITY

SD SMOKE DETECTOR

SF SQUARE FOOT (FEET)

SHT SHEET

SI INTERNATIONAL SYSTEM OF UNITS

SPEC SPECIFICATION

SPST SINGLE POLE, SINGLE THROW

SURF SURFACE

SW SWITCH

SWBD SWITCHBOARD

SWGR SWITCHGEAR

TEL TELEPHONE

TV TELEVISION

TYP TYPICAL

UFD UNDERFLOOR DUCT

UGND UNDERGROUND

UL UNDERWRITERS LABORATORY

UON UNLESS OTHERWISE NOTED

USB RECEPTACLE w/INTEGRATED UNIVERSAL SERIAL BUS

PORT

UPS UNINTERRUPTIBLE POWER SUPPLY

UTIL UTILITY

V VOLT

VA VOLT AMPERE

VAR VOLT AMPERE REACTIVE

VFD VARIABLE FREQUENCY DRIVE

VOLT VOLTAGE

W WATT

WH WATER HEATER

WP WEATHERPROOF

XFER TRANSFER

XFMR TRANSFORMER

GENERAL NOTES

5. LIGHTING CONTROLS

A. GENERAL

1. DESCRIPTION: FURNISHING, INSTALLATION AND CONNECTION OF THE LIGHTING

CONTROLS.

2. SUBMITTALS

a. SUBMIT THE FOLLOWING INFORMATION FOR EACH TYPE OF LIGHTING CONTROLS:

MATERIAL AND CONSTRUCTION DETAILS, PHYSICAL DIMENSIONS AND DESCRIPTION,

PHYSICAL DIMENSIONS AND DESCRIPTION, WIRING SCHEMATIC AND CONNECTION

DIAGRAM, INSTALLATION DETAILS.

B. PRODUCTS

1. ELECTRONIC TIME SWITCHES: ELECTRONIC, SOLID-STATE PROGRAMMABLE UNITS WITH

ALPHANUMERIC DISPLAY; COMPLYING WITH UL 916 AND OR 917.

2. OUTDOOR PHOTOELECTRIC SWITCHES: SOLID STATE, WITH SPST, DPST DRY CONTACTS

RATED FOR 1800 VA TUNGSTEN OR 1000 VA INDUCTIVE, COMPLYING WITH UL 773A.

3. TIMER SWITCHES: DIGITAL SWITCHES WITH BACKLIT LCD DISPLAY, 120/277 VOLT RATED, FITTING AS A REPLACEMENT FOR STANDARD WALL SWITCHES.

4. CEILING-MOUNTED PHOTOELECTRIC SWITCHES: SOLID-STATE, LIGHT-LEVEL SENSOR

UNIT, WITH SEPARATE RELAY UNIT.

5. INDOOR OCCUPANCY SENSOR: DUAL-TECHNOLOGY TYPE: CEILING MOUNTING;

COMBINATION PIR AND ULTRASONIC DETECTION METHODS, FIELD-SELECTABLE.

a. DETECTION COVERAGE: SHALL BE SUFFICIENT TO PROVIDE COVERAGE AS REQUIRED

BY SENSOR LOCATIONS SHOWN ON DRAWING.

6. LIGHTING CONTROL SYSTEM – DISTIBUTIVE RELAY TYPE SYSTEM DESCRIPTION

a. THE LIGHTING CONTROL SYSTEM SHALL BE A NETWORK OF REMOTE RELAY MODULES

CONNECTED TO A DIGITAL NETWORK VIA NETWORK HUBS AND CONTROLLED THROUGH

A SYSTEM SERVER / CENTRAL STATION. LIGHTING DIGITAL NETWORK WITH THE

SYSTEM SERVER. SYSTEM INCLUDES ALL ASSOCIATED CONTROL DEVICES CONNECT

TO THE RELAY MODULES AND COMMUNICATE VIA THE NETWORK INTERFACES AND

WIRING, HUBS, RELAY MODULES, RELAYS, PHOTOCELLS, SWITCHES, DIMMERS, TIME

CLOCK, AND OCCUPANCY SENSORS. SYSTEM SHALL UTILIZE DISTRIBUTED RELAYS

MODULES, ALLOWING THESE RELAY MODULES TO BE LOCATED ABOVE ACCESSIBLE

CEILINGS IN OR ADJACENT TO ROOMS THEY ARE CONTROLLING.

b. SYSTEM SHALL INCLUDE SERVER / CENTRAL STATION WITH OPERATING SOFTWARE, DATA NETWORK, AND BACNET IP COMMUNICATION WITH OTHER SYSTEMS AS

DESCRIBED. SYSTEM COMMUNICATION PROTOCOL SHALL BE COMPATIBLE WITH THE

BUILDING AUTOMATION SYSTEM SPECIFIED IN SECTION 23 09 23, DIRECT-DIGITAL

CONTROL SYSTEM FOR HVAC.

c. SYSTEM SERVER / CENTRAL STATION SHALL PROVIDE PROGRAMMABLE OPERATION OF

LIGHTS CONNECTED VIA SYSTEM RELAYS AND CONTROLLED WITH SYSTEM DEVICES.

SYSTEM SOFTWARE SHALL PROVIDE CONTROL OF RELAYS AND CONTROL DEVICES,

TIME AND SEQUENCE SCHEDULING, TIMED OUT AND BLINK LIGHT OPERATION AND

MONITORING AND REPORTING OF SYSTEM EVENTS AND COMPONENTS. INITIAL

PROGRAMMING SHALL BE AS SHOWN ON PLANS AND SCHEDULES.

d. RELAY MODULES: MOUNTED IN NEMA ENCLOSURE WITH PHYSICALLY SEPARATE

120/277 VOLT WIRING COMPARTMENT FROM LOW VOLTAGE CONTROL WIRING.

PROVIDE LOW VOLTAGE DIGITAL COMMUNICATION TO CONTROL DEVICES AS SHOWN

ON DRAWINGS AND SCHEDULES. SUPPLEMENTAL POWER PACKS SHALL BE PROVIDED

AS REQUIRED FOR MULTIPLE CONTROL DEVICES. THIS EQUIPMENT SHALL BE

IDENTIFIED IN SHOP DRAWING SUBMISSION. DIMMABLE RELAY MODULES SHALL BE

PROVIDED WHERE INDICATED. RELAY MODULES SHALL CONTAIN UP TO 4 RELAYS.

RELAY MODULES SHALL BE LABELED WITH ROOM NUMBER THAT RELAYS CONTROL

LIGHTING WITHIN.

e. SINGLE-POLE RELAYS: MECHANICALLY HELD UNLESS OTHERWISE INDICATED; SPLIT-

COIL, MOMENTARY-PULSED TYPE, RATED 20 A, 125 VOLT AC FOR TUNGSTEN FILAMENTS

AND 20 A, 277 VOLT AC FOR ELECTRONIC BALLASTS, 50,000 CYCLES AT RATED

CAPACITY.

f. CONTROL DEVICES: ALL OCCUPANCY SENSORS (ULTRASONIC, IR AND DUAL

TECHNOLOGY TYPE), PHOTOCELLS, SWITCHES AND TIMERS SHALL BE PROVIDED WITH

SYSTEM AND DESIGNED TO OPERATE ON SYSTEM NETWORK. SUPPLEMENTAL POWER

PACKS SHALL BE PROVIDED AS REQUIRED FOR MULTIPLE CONTROL DEVICES. THIS

EQUIPMENT SHALL BE IDENTIFIED IN SHOP DRAWING SUBMISSION.

C. EXECUTION

1. INSTALLATION

a. INSTALLATION SHALL BE IN ACCORDANCE WITH THE NEC, MANUFACTURER'S

INSTRUCTIONS, AS SHOWN ON THE DRAWINGS, AND AS SPECIFIED.

b. AIMING FOR WALL-MOUNTED AND CEILING-MOUNTED MOTION SENSOR SWITCHES

SHALL BE PER MANUFACTURER’S RECOMMENDATIONS.

c. LOCATE PHOTOELECTRIC SENSORS AS INDICATED AND IN ACCORDANCE WITH THE

MANUFACTURER'S RECOMMENDATIONS. ADJUST SENSOR FOR THE AVAILABLE LIGHT

LEVEL AT THE TYPICAL WORK PLANE FOR THAT AREA.

2. ACCEPTANCE CHECKS AND TESTS

a. PERFORM IN ACCORDANCE WITH THE MANUFACTURER'S RECOMMENDATIONS.

b. UPON COMPLETION OF INSTALLATION, CONDUCT AN OPERATING TEST TO SHOW THAT

EQUIPMENT OPERATES IN ACCORDANCE WITH REQUIREMENTS OF THIS SECTION.

6. LOW VOLTAGE TRANSFORMERS

A. GENERAL

1. DESCRIPTION: FURNISHING, INSTALLATION, CONNECTION, AND TESTING OF LOW-

VOLTAGE DRY-TYPE GENERAL-PURPOSE TRANSFORMERS, INDICATED AS

TRANSFORMERS IN THIS SECTION.

2. SUBMITTALS

a. INCLUDE ELECTRICAL RATINGS, DIMENSIONS, MOUNTING DETAILS, MATERIALS, REQUIRED CLEARANCES, TERMINATIONS, WEIGHT, TEMPERATURE RISE, WIRING

AND CONNECTION DIAGRAMS, PLAN, FRONT, SIDE, AND REAR ELEVATIONS,

ACCESSORIES, AND DEVICE NAMEPLATE DATA.

B. PRODUCTS

1. TRANSFORMERS

a. UNLESS OTHERWISE SPECIFIED, TRANSFORMERS SHALL BE IN ACCORDANCE WITH

NEMA, NFPA, UL AND AS SHOWN ON THE DRAWINGS.

b. TRANSFORMERS SHALL HAVE THE FOLLOWING FEATURES:

• SELF-COOLED BY NATURAL CONVECTION, ISOLATING WINDINGS, //INDOOR//AND

OUTDOOR// DRY-TYPE. AUTOTRANSFORMERS WILL NOT BE ACCEPTED, EXCEPT

AS SPECIFICALLY ALLOWED FOR BUCK-BOOST APPLICATIONS.

• 2. RATING AND WINDING CONNECTIONS SHALL BE AS SHOWN ON THE

DRAWINGS.

• 3. RATINGS SHOWN ON THE DRAWINGS ARE FOR CONTINUOUS DUTY WITHOUT

THE USE OF COOLING FANS.

• 4. COPPER WINDINGS.

c. INSULATION SYSTEMS:

• TRANSFORMERS 30 KVA AND LARGER: UL RATED 220 °C (428 °F) SYSTEM WITH

AN AVERAGE MAXIMUM RISE BY RESISTANCE OF 150 °C (302 °F) IN A MAXIMUM

AMBIENT OF 40 °C (104 °F).

• TRANSFORMERS BELOW 30 KVA: SAME AS FOR 30 KVA AND LARGER OR UL

RATED 185 °C (365 °F) SYSTEM WITH AN AVERAGE MAXIMUM RISE BY

RESISTANCE OF 115 °C (239 °F) IN A MAXIMUM AMBIENT OF 40 °C (104 °F).

d. IF NOT SHOWN ON DRAWINGS, NOMINAL IMPEDANCE SHALL BE AS PERMITTED BY

NEMA.

e. SINGLE PHASE TRANSFORMERS RATED 15 KVA THROUGH 25 KVA SHALL HAVE TWO

5% FULL CAPACITY TAPS BELOW NORMAL RATED PRIMARY VOLTAGE. ALL

TRANSFORMERS RATED 30 KVA AND LARGER SHALL HAVE TWO 2.5% FULL

CAPACITY TAPS ABOVE, AND FOUR 2.5% FULL CAPACITY TAPS BELOW NORMAL

RATED PRIMARY VOLTAGE.

f. CORE ASSEMBLIES SHALL BE GROUNDED TO THEIR ENCLOSURES WITH ADEQUATE

FLEXIBLE GROUND STRAPS.

• COMPRISED OF NOT LESS THAN CODE GAUGE STEEL.

• OUTDOOR ENCLOSURES SHALL BE NEMA 3R.

g. STANDARD NEMA FEATURES AND ACCESSORIES, INCLUDING GROUND PAD, LIFTING

PROVISIONS, AND NAMEPLATE WITH THE WIRING DIAGRAM AND SOUND LEVEL

INDICATED.

7. LOW VOLTAGE SWITCHGEAR

A. GENERAL

1. DESCRIPTION: FURNISHING, INSTALLATION, CONNECTION, AND TESTING OF LOW-

VOLTAGE SWITCHGEAR, INDICATED AS SWITCHGEAR IN THIS SECTION.

2. SUBMITTALS

a. PRIOR TO FABRICATION OF SWITCHGEAR, SUBMIT THE FOLLOWING DATA FOR

APPROVAL:

• COMPLETE ELECTRICAL RATINGS, CIRCUIT BREAKER SIZES, INTERRUPTING

RATINGS, SAFETY FEATURES, ACCESSORIES AND NAMEPLATE DATA.

• SWITCHGEAR ONE LINE DIAGRAM, SHOWING AMPERE RATING, NUMBER OF BARS

PER PHASE AND NEUTRAL IN EACH BUS RUN (HORIZONTAL AND VERTICAL), BUS

SPACING, EQUIPMENT GROUND BUS, AND BUS MATERIAL.

• PROVISIONS AND REQUIRED LOCATIONS FOR EXTERNAL CONDUIT AND WIRING

ENTRANCES.

B. PRODUCTS

1. SHALL BE IN ACCORDANCE WITH IEEE, NEMA, NFPA, UL, AS SHOWN ON THE DRAWINGS

2. SWITCHGEAR SHALL BE A COMPLETE, GROUNDED, CONTINUOUS-DUTY, INTEGRAL

ASSEMBLY, METAL CLAD, DEAD-FRONT, DEAD-REAR, SELF-SUPPORTING, INDOOR TYPE

SWITCHGEAR ASSEMBLY, TAMPERPROOF, WEATHERPROOF, OUTDOOR TYPE

SWITCHGEAR ASSEMBLY WITH METAL HOUSING AND A WALK-IN PROTECTED AISLE AS

DESIGNED. INCORPORATE DEVICES SHOWN ON THE DRAWINGS AND ALL RELATED

COMPONENTS REQUIRED TO FULFILL OPERATIONAL AND FUNCTIONAL REQUIREMENTS.

3. RATINGS SHALL NOT BE LESS THAN SHOWN ON THE DRAWINGS.

4. COORDINATE ALL REQUIREMENTS WITH THE ELECTRIC UTILITY COMPANY SUPPLYING

ELECTRICAL SERVICE TO THE SWITCHGEAR. THE INCOMING ELECTRIC UTILITY FEEDER

AND REVENUE METERING INSTALLATION SHALL CONFORM TO THE REQUIREMENTS OF

THE ELECTRIC UTILITY COMPANY.//

5. CIRCUIT BREAKER COMPARTMENTS: AN INDIVIDUAL COMPARTMENT SHALL BE

SUPPLIED FOR EACH CIRCUIT BREAKER AND EACH FUTURE CIRCUIT BREAKER AS

SHOWN ON THE DRAWINGS. COMPARTMENTS SHALL BE PROVIDED WITH ISOLATED

WIREWAYS FOR CONTROL WIRING BETWEEN DEVICES.

6. AUXILIARY COMPARTMENTS: COMPARTMENTS SHALL BE PROVIDED FOR AUXILIARIES,

METERING, AND TRANSITION OR TERMINATION SECTIONS AS REQUIRED BY THE

MANUFACTURER, AND AS SHOWN ON DRAWINGS. COMPARTMENTS SHALL BE PROVIDED

WITH ISOLATED WIREWAYS FOR CONTROL WIRING BETWEEN DEVICES.

7. COMPARTMENT DOORS: THE DOORS SHALL PERMIT CONVENIENT REMOVAL AND

INTERCHANGING OF CIRCUIT BREAKERS BETWEEN COMPARTMENTS. THE DOORS SHALL

BE CAPABLE OF A SWING APPROACHING

8. BUS BARS AND INTERCONNECTIONS:

a. PROVIDE COPPER PHASE AND NEUTRAL BUSES, FULLY RATED FOR THE AMPERAGE

AS SHOWN ON THE DRAWINGS FOR THE ENTIRE LENGTH OF THE SWITCHGEAR. BUS

LAMINATIONS SHALL HAVE A MINIMUM OF 6 MM (1/4 INCH) SPACING.

b. THE BUS AND BUS COMPARTMENT SHALL BE DESIGNED SO THAT THE ACCEPTABLE

NEMA STANDARD TEMPERATURE RISES ARE NOT EXCEEDED.

c. INSTALL A COPPER GROUND BUS THE FULL LENGTH OF THE SWITCHGEAR

ASSEMBLY.

d. MAIN BONDING JUMPER: AN UN-INSULATED COPPER BUS, SIZE AS SHOWN ON

DRAWINGS, SHALL INTERCONNECT THE NEUTRAL AND GROUND BUSES, WHEN THE

SWITCHGEAR IS USED TO ESTABLISH THE SYSTEM COMMON GROUND POINT.

e. ALL BOLTS, NUTS, AND WASHERS SHALL BE ZINC-PLATED STEEL. BOLTS SHALL BE

TORQUED TO THE VALUES RECOMMENDED BY THE MANUFACTURER.

f. MAKE PROVISIONS FOR FUTURE BUS EXTENSIONS BY MEANS OF BOLT HOLES OR

OTHER APPROVED METHOD.

9. LOW VOLTAGE POWER CIRCUITS BREAKERS

a. GENERAL: CIRCUIT BREAKERS SHALL BE DEAD FRONT, DRAWOUT, STORED ENERGY

TYPE WITH SOLID STATE TRIP DEVICES. ARCING CONTACTS SHALL BE RENEWABLE.

b. RATING: CIRCUIT BREAKERS SHALL BE 3 POLE, 600 VOLTS AC AND BELOW, 60 CYCLE

WITH FRAME SIZE, TRIP RATING AND FUNCTIONS, AND SYSTEM VOLTAGE AS SHOWN

ON DRAWINGS. BREAKERS SHALL HAVE 30 CYCLE SHORT TIME CURRENT RATINGS.

c. DRAWOUT MOUNTING: PROVIDE A RACKING MECHANISM TO POSITION AND HOLD THE

BREAKER IN THE CONNECTED, TEST, OR DISCONNECTED POSITION. PROVIDE AN

INTERLOCK TO PREVENT MOVEMENT OF THE BREAKER INTO OR OUT OF THE

CONNECTED POSITION UNLESS THE BREAKER IS TRIPPED OPEN.

d. TRIP DEVICES: BREAKERS SHALL BE ELECTRICALLY AND MECHANICALLY TRIP FREE

AND SHALL HAVE TRIP DEVICES IN EACH POLE. UNLESS OTHERWISE INDICATED ON

DRAWINGS, EACH BREAKER SHALL HAVE OVERCURRENT AND SHORT-CIRCUIT, AND

INTEGRAL GROUND FAULT TRIP DEVICES AS NOTED. TRIP DEVICES SHALL BE OF THE

SOLID STATE TYPE WITH ADJUSTABLE PICK-UP SETTINGS, WITH BOTH LONG TIME

AND SHORT TIME ELEMENTS, AND INTEGRAL TRIP UNIT TESTING PROVISIONS.

DEVICES SHALL HAVE TIME-DELAY BAND ADJUSTMENT. LONG-TIME DELAY ELEMENT

SHALL HAVE INVERSE TIME CHARACTERISTICS. MAIN CIRCUIT BREAKERS SHALL NOT

HAVE INSTANTANEOUS TRIP FUNCTION.

e. PADLOCKING: PROVISIONS SHALL BE INCLUDED FOR PADLOCKING THE BREAKER IN

THE OPEN POSITION.

f. OPERATION: UNLESS OTHERWISE INDICATED HEREIN OR ON THE DRAWINGS, BREAKERS 1600 AMPERE FRAME SIZE AND LESS SHALL BE MANUALLY OPERATED.

BREAKERS LARGER THAN 1600 AMPERE FRAME SIZE SHALL BE ELECTRICALLY

OPERATED.

10. ELECTRIC UTILITY COMPANY EQUIPMENT

a. PROVIDE SEPARATE COMPARTMENT FOR ELECTRIC UTILITY COMPANY METERING

EQUIPMENT AS SHOWN ON DRAWINGS.

11. METERING

a. REFER TO SECTION ADVANCED UTILITY METERING. REFER TO DRAWINGS FOR

METER LOCATIONS.

b. AS NECESSARY, PROVIDE COMPARTMENT WITH A FRONT HINGED DOOR TO PROVIDE

SAFE ISOLATED ACCESS TO METERS AND ALL ASSOCIATED TERMINAL AND FUSE

BLOCKS FOR MAINTENANCE, CALIBRATION, OR TESTING.

c. PROVIDE CURRENT TRANSFORMERS FOR EACH METER. CURRENT TRANSFORMERS

SHALL BE WIRED TO SHORTING-TYPE TERMINAL BLOCKS.

d. PROVIDE VOLTAGE TRANSFORMERS INCLUDING PRIMARY FUSES AND SECONDARY

PROTECTIVE DEVICES FOR METERING AS SHOWN ON THE DRAWINGS.

C. EXECUTION

1. INSTALLATION

a. INSTALLATION SHALL BE IN ACCORDANCE WITH THE NEC, AS SHOWN ON THE

DRAWINGS, AND MANUFACTURER’S INSTRUCTIONS.

b. ANCHOR SWITCHGEAR WITH…