HomeMy WebLinkAboutE002 - Electrical SpecificationsPART 1 - GENERALCODES AND STANDARDS - THE LATEST EFFECTIVE PUBLICATIONS OF ALLAPPLICABLE STANDARDS, CODES, ETC., AS THEY APPLY, FORM PART OFTHESE SPECIFICATIONS AS IF WERE WRITTEN FULLY HEREIN ANDCONSTITUTE MINIMUM REQUIREMENTS. THE FOLLOWING WILL BEREFERRED TO THROUGHOUT IN ABBREVIATED FORMS.NATIONAL ELECTRICAL CODE, (NFPA 70) (NEC).INSTITUTE OF ELECTRICAL AND ELECTRONIC ENGINEERS (IEEE).NATIONAL ELECTRICAL MANUFACTURER'S ASSOCIATION (NEMA).AMERICAN NATIONAL STANDARDS INSTITUTE (ANSI).APPLICABLE STATE AND LOCAL CODES.APPLICABLE STANDARDS OF UNDERWRITER'S LABORATORIES, INC. (UL).APPLICABLE STANDARDS OF NATIONAL FIRE PROTECTION ASSOCIATION(NFPA).THE INTERNATIONAL BUILDING CODE (IBC).THE INTERNATIONAL FIRE CODE (IFC)THE AMERICANS WITH DISABILITIES ACT (ADA).INTERNATIONAL ELECTRICAL TESTING ASSOCIATION (NETA).THE INTERNATIONAL ENERGY CONSERVATION CODE (IECC).ASHRAE 90.11.SCOPE OF WORK - PROVIDE ALL LABOR, MATERIALS,EQUIPMENT, APPURTENANCES AND SERVICES TO PROVIDE ACOMPLETE ELECTRICAL INSTALLATION AS SHOWN ON THEDRAWINGS AND AS DESCRIBED IN THESE SPECIFICATIONS.2.SITE VISIT - THE CONTRACTOR SHALL VISIT THE SITE PRIOR TOSUBMITTING HIS BID TO BECOME FAMILIAR WITH THE EXISTINGCONDITIONS AND DETERMINE THE EXTENT OF WORK. LACK OFKNOWLEDGE OF EXISTING CONDITIONS WILL NOT BECONSIDERED A BASIS FOR CHANGE ORDERS. PRIOR TOORDERING EQUIPMENT, CONTRACTOR SHALL VERIFY THATEQUIPMENT TO BE PROVIDED UNDER THIS CONTRACT ISACCEPTABLE AND CAN FIT INTO BUILDING AND ROOM.EXPENSE INCURRED BY THE CONTRACTOR, WHICH IN THEENGINEER'S OPINION COULD HAVE BEEN AVOIDED BY THISSTEP, SHALL NOT BE A BASIS FOR CHANGE ORDERS.3.DRAWINGS AND SPECIFICATIONS - THE DRAWINGS AREDIAGRAMMATIC AND INDICATE THE GENERAL EXTENT,CHARACTER AND ARRANGEMENT OF EQUIPMENT, FIXTURESAND CONDUIT AND WIRING SYSTEMS. IT IS THE INTENTION OFTHESE SPECIFICATIONS AND DRAWINGS TO FULLY COVER ALLWORK AND MATERIALS FOR A COMPLETE, FIRST-CLASSELECTRICAL INSTALLATION, AND ANY DEVICES SUCH AS PULLBOXES AND DISCONNECT SWITCHES, USUALLY EMPLOYED INTHIS CLASS OF WORK THOUGH NOT SPECIFICALLY MENTIONEDOR SHOWN ON THE DRAWINGS OR IN THIS SPECIFICATION, BUTWHICH MAY BE NECESSARY FOR THE SATISFACTORYCOMPLETION OF THE WORK, SHALL BE FURNISHED ANDINSTALLED BY THE CONTRACTOR AS A PART OF HIS TOTALWORK UNDER THIS DIVISION. CONSULT THE SPECIFICATIONSAND DRAWINGS OF ALL OTHER TRADES AND PERFORM ALLELECTRICAL WORK REQUIRED THEREIN. COOPERATE WITH ALLOTHER CONTRACTORS OR SUBCONTRACTORS TO FURNISHCOMPLETE WORKABLE SYSTEMS.4.DURING CONSTRUCTION - KEEP AN ACCURATE RECORD OF ALLDEVIATIONS BETWEEN THE WORK AS SHOWN ON THECONTRACT DRAWINGS AND THAT WHICH IS ACTUALLYINSTALLED ON A SET OF PRINTS OF THE ELECTRICALDRAWINGS, AND NOTE CHANGES THEREON WITH RED MARKS,IN A NEAT AND ACCURATE MANNER. WHEN ALL REVISIONSHAVE BEEN SHOWN ON THESE PRINTS TO INDICATE THE WORKAS FINALLY INSTALLED, THE PRINTS SHALL BE DELIVERED TOTHE ENGINEER, BEFORE FINAL PAYMENT.5.PERMITS, INSPECTION AND TESTS - THE RIGHT IS RESERVED TOINSPECT AND TEST ANY PORTION OF THEINSTALLATION/EQUIPMENT DURING THE PROGRESS OF ITSERECTION. THIS CONTRACTOR SHALL TEST ALL WIRING FORCONTINUITY AND GROUNDS BEFORE CONNECTING ANYFIXTURES OR DEVICES. THIS CONTRACTOR SHALL TEST THEENTIRE SYSTEM WHEN THE WORK IS FINALLY COMPLETED TOINSURE THAT ALL PORTIONS ARE FREE FROM SHORT CIRCUITSAND GROUNDS.6.SECURE AND PAY - FOR ALL REQUIRED PERMITS ANDINSPECTIONS. INSPECTION CERTIFICATES FROM LOCALAUTHORITIES HAVING JURISDICTION SHALL BE DELIVERED TOTHE OWNER BEFORE FINAL PAYMENT.7.SUBMITTALS - SUBMIT SHOP DRAWINGS, PRODUCT DATA ANDSAMPLES WITHIN THIRTY (30) DAYS OF AWARD OF CONTRACTAND IN ACCORDANCE WITH THE GENERAL CONDITIONS ANDSUPPLEMENTARY CONDITIONS. SUBMITTALS ARE REQUIREDFOR ALL SAFETY SWITCHES, ENCLOSED CIRCUIT BREAKERS,PANELBOARDS, TRANSIENT VOLTAGE SURGE SUPPRESSORS,TRANSFORMERS, LIGHTING FIXTURES, FIRE ALARM SYSTEM,AND SPECIALTY DEVICES PROVIDED UNDER THISSPECIFICATION. REVIEW OF SUBMITTALS BY THE ENGINEERAND ANY ASSOCIATED ACTION TAKEN BY THE ENGINEER DOESNOT RELIEVE THE CONTRACTOR OF ANY REQUIREMENTS SETFORTH BY THE CONTRACT DOCUMENTS.8.PROVIDE ALL CUTTING, PATCHING, PAINTING AND REFINISHINGREQUIRED FOR INSTALLATION OF THE ELECTRICAL WORK.9.DAILY AND WHEN DIRECTED BY THE OWNER OR ENGINEERREMOVE ALL DEBRIS FROM THE PREMISES.10.DEFINITIONS:"FURNISH" SHALL MEAN TO PURCHASE, DELIVER TO JOB SITE,AND UNLOAD FROM TRUCK AT JOB SITE. "INSTALL" SHALLMEAN TO MOUNT IN PLACE, MAKE ALL NECESSARYCONNECTIONS AS SPECIFIED ON PLANS, AND ON SHOPDRAWINGS."PROVIDE" SHALL MEAN TO FURNISH AND INSTALL.11.ELECTRICAL CONTRACTOR SHALL COORDINATE ALL EQUIPMENTVOLTAGES WITH MECHANICAL CONTRACTORS PRIOR TOEQUIPMENT ORDER.PART 2 - PRODUCTS1.MANUFACTURING STANDARDS - MATERIAL SHALL BE NEW ANDAPPROVED AND LABELED BY UL WHEREVER STANDARDS HAVEBEEN ESTABLISHED BY THAT AGENCY. DEFECTIVE EQUIPMENTOR EQUIPMENT DAMAGED IN THE COURSE OF INSTALLATION ORTEST SHALL BE REPLACED OR REPAIRED IN A MANNER MEETINGTHE APPROVAL OF THE OWNER. ALL ITEMS OF THE SAME TYPEAND RATING SHALL BE IDENTICAL.2.TRADE NAMES - UNLESS SPECIFICALLY IDENTIFIED OTHERWISE,MANUFACTURERS' NAMES AND CATALOG NUMBERS INDICATEDHEREIN AND ON THE DRAWINGS ARE NOT INTENDED TO BEPROPRIETARY DESIGNATIONS. THEY ARE TO INDICATEGENERAL TYPE AND QUALITY OF MATERIALS AND EQUIPMENTREQUIRED. EQUIPMENT AND MATERIAL BY OTHERMANUFACTURERS WHICH IN THE OPINION OF THE ENGINEER AREOF EQUAL QUALITY AND WHICH WILL PRODUCE THE SAMERESULTS WILL BE CONSIDERED ACCEPTABLE.3.MOTORS - MOTORS SHALL BE PROVIDED WITH DISCONNECTINGMEANS.4.POWER WIRING - UP TO AND INCLUDING MOTOR CONNECTIONSFOR ALL EQUIPMENT PROVIDED UNDER OTHER DIVISIONS OFTHIS SPECIFICATION SHALL BE INCLUDED IN THIS DIVISION.WHERE MANUAL MOTOR CONTROL SWITCHES FOR SINGLEPHASE MOTORS ARE INDICATED, THEY SHALL BE PROVIDEDAND WIRED COMPLETE UNDER THIS DIVISION. MOTORCONTROLLERS AND MOTOR STARTERS FURNISHED UNDEROTHER DIVISIONS SHALL BE SET IN PLACE AND CONNECTED TOSOURCE AND LOAD UNDER THIS DIVISION. IN GENERAL,MOTORS WILL BE PROVIDED WITH THE EQUIPMENT THEY DRIVEAND ARE NOT PART OF THIS WORK UNDER THIS DIVISION,EXCEPT THAT THEY SHALL BE CONNECTED HEREUNDER.5.OBTAIN APPROVED SHOP DRAWINGS - SHOWING WIRINGDIAGRAMS, CONNECTION DIAGRAMS, ROUGH-IN AND HOOKUPDETAILS, FROM ALL CONTRACTORS FOR ALL EQUIPMENT ANDCOMPLY THEREWITH.6.CONTROL, INTERLOCK AND INTERNAL EQUIPMENT - WIRINGREGARDLESS OF VOLTAGE SHALL BE PROVIDED BY OTHERSUNLESS SPECIFICALLY SHOWN HERE.7.TEMPORARY ELECTRICAL SERVICE - TEMPORARY ELECTRICALSERVICE AT 120/240V, I PHASE WITH GROUND FAULTINTERRUPTER WITH SOLIDLY GROUNDED NEUTRAL SHALL BEPROVIDED. PROVIDE ALL NECESSARY TEMPORARY LIGHTINGAND RECEPTACLES. GENERAL CONTRACTOR WILL PAY ALLCHARGES, WHICH MAY BE MADE BY THE POWER COMPANY FORTEMPORARY SERVICE.8.GROUNDING - THE ENTIRE ELECTRICAL SYSTEM, INCLUDINGEQUIPMENT FRAMES, CONDUIT, SWITCHES, CONTROLLERS,WIREWAYS, NEUTRAL CONDUCTORS, AND ALL OTHER SUCHEQUIPMENT SHALL BE PERMANENTLY AND EFFECTIVELYGROUNDED IN ACCORDANCE WITH THE NEC. GROUNDING OFEACH TRANSFORMER SECONDARY SHALL BE PROVIDED ANDEACH SHALL BE CONSIDERED AS A SEPARATE SERVICEGROUND. PROVIDE A SEPARATE GROUND CONDUCTOR IN ALLBRANCH CIRCUIT CONDUITS SIZED IN ACCORDANCE WITH THENEC.9.SCHEDULE OF WORK - THE SCHEDULE OF THE ELECTRICALWORK SHALL BE ARRANGED TO SUIT THE PROGRESS OF WORKBY THE OTHER TRADES AND SHALL IN NO WAY RETARDPROGRESS OF CONSTRUCTION OF THE PROJECT.10.WORK UNDER THIS DIVISION - SHALL PROCEED IN ADVANCE OFTHE WORK OF OTHERS WHENEVER POSSIBLE, ELIMINATING ALLCUTTING AND PATCHING. WHEN SUCH PROCEDURE ISIMPOSSIBLE, CUTTING AND PATCHING SHALL BE DONE IN ANAPPROVED MANNER. CUTTING SHALL NOT ENDANGERSTRUCTURAL INTEGRITY IN ANY WAY. PATCHING SHALLEXACTLY MATCH CONTIGUOUS WORK. ACTUAL WORK OFCUTTING AND PATCHING OF EXISTING SURFACES SHALL BEPERFORMED BY THE SUBCONTRACTOR WHO ORIGINALLYPREPARED THESE SURFACES, E.G., CUTTING AND PATCHING OFMASONRY WALL WILL BE PERFORMED BY THE MASONRYSUBCONTRACTOR. COSTS OF SUCH CUTTING AND PATCHINGSHALL BE BORNE BY THE ELECTRICAL SUBCONTRACTOR.CUTTING SHALL BE CAREFULLY DONE AND DAMAGE TOBUILDING, PIPING, WIRING OR EQUIPMENT AS A RESULT OFCUTTING SHALL BE REPAIRED BY SKILLED MECHANICS OFTRADE INVOLVED.11.STORAGE AND MATERIALS - SPACE WILL BE ASSIGNED TO THECONTRACTOR BY THE OWNER FOR THE STORAGE OF MATERIAL.THIS CONTRACTOR WILL BE RESPONSIBLE FOR THE PROTECTIONAND SAFEKEEPING OF MATERIALS, TOOLS, AND EQUIPMENT.ALL MATERIALS AND EQUIPMENT SHALL BE KEPT IN ITSASSIGNED PLACE UNTIL THE TIME OF ITS INSTALLATION.EXCESS MATERIALS, DIRT AND REFUSE SHALL BE PROMPTLYREMOVED FROM THE WORK SITE.12.LABELING OF EQUIPMENT - ALL PANELBOARDS, CABINETS,SAFETY SWITCHES, MOTOR DISCONNECT SWITCHES, ANDMOTOR CONTROLLERS SHALL BE IDENTIFIED BY MACHINEENGRAVED LAMINATED PLASTIC DESIGNATION PLATESPERMANENTLY ATTACHED THERETO WITH SELF-TAPPINGSCREWS OR RIVETS. ALL COMPONENT PARTS OF EACH ITEMOF EQUIPMENT OR DEVICE SHALL BEAR THE MANUFACTURER'SNAMEPLATE, GIVING NAME OF MANUFACTURER, DESCRIPTION,SIZE TYPE, SERIAL AND MODEL NUMBER AND ELECTRICALCHARACTERISTICS IN ORDER TO FACILITATE MAINTENANCE ORREPLACEMENT.13.COORDINATION - COOPERATE AND COORDINATE EFFORTS WITHALL CONTRACTORS ON THE PROJECT. THIS IS ESPECIALLYIMPORTANT IN DETERMINING EXACT LOCATIONS OF ALLSWITCHES, RECEPTACLES AND LIGHTING FIXTURES. ARRANGELIGHTING FIXTURES IN ACCORDANCE WITH THE ARCHITECTURALREFLECTED CEILING PLANS UNLESS OTHERWISE INDICATED.COORDINATE LIGHTING FIXTURE LOCATIONS WITH GRILLES,DIFFUSERS, ACCESS PANELS, ETC. VERIFY CEILING AND WALLCONSTRUCTION AND MATERIAL PRIOR TO ORDERING LIGHTINGFIXTURES OR OTHER DEVICES TO ENSURE PROPER FIXTURE ORDEVICE IS FURNISHED TO MATCH CONSTRUCTION. THISVERIFICATION MUST BE EXECUTED REGARDLESS OFINFORMATION PLACED ON THE DRAWINGS. ANY COSTINCURRED WHICH IN THE OPINION OF THE OWNER, COULD HAVEBEEN AVOIDED BY THIS STEP SHALL BE THE RESPONSIBILITYOF THE ELECTRICAL CONTRACTOR.14.GUARANTEE OF WORK - CONTRACTOR GUARANTEES BY HISACCEPTANCE OF THE CONTRACT THAT ALL WORK INSTALLED ISFREE FROM ANY AND ALL DEFECTS IN WORKMANSHIP AND/ORMATERIALS, AND THAT THE APPARATUS WILL DEVELOPCAPACITIES AND CHARACTERISTICS SPECIFIED, AND THAT IF,DURING THE PERIOD OF ONE YEAR OR AS OTHERWISESPECIFIED, FROM DATE OF CERTIFICATE OF COMPLETION ANDACCEPTANCE OF THE WORK ANY SUCH DEFECTS INWORKMANSHIP, MATERIAL OR PERFORMANCE APPEAR, HEWILL, WITHOUT COST TO THE OWNER, REMEDY SUCH DEFECTSWITHIN A REASONABLE TIME TO BE SPECIFIED IN NOTICE. INDEFAULT THEREOF, THE OWNER MAY HAVE SUCH WORK DONEAND CHARGE COST TO CONTRACTOR. EQUIPMENTGUARANTEES FROM DATE OF "START-UP" WILL NOT BERECOGNIZED.SECTION 260519 - LOW-VOLTAGE ELECTRICAL POWER CONDUCTORS ANDCABLESPART 1 - GENERAL1.1SUBMITTALSA.PRODUCT DATA: FOR EACH TYPE OF PRODUCT.PART 2 - PRODUCTS2.1COPPER BUILDING WIREA.DESCRIPTION: FLEXIBLE, INSULATED AND UNINSULATED, DRAWNCOPPER CURRENT-CARRYING CONDUCTOR WITH AN OVERALLINSULATION LAYER OR JACKET, OR BOTH, RATED 600 V OR LESS.B.CONDUCTOR INSULATION:1.TYPE THHN AND TYPE THWN-2: COMPLY WITH UL 83.2.TYPE XHHW-2: COMPLY WITH UL 44.2.2METAL-CLAD CABLE, TYPE MCA.DESCRIPTION: A FACTORY ASSEMBLY OF ONE OR MORECURRENT-CARRYING INSULATED CONDUCTORS IN AN OVERALLMETALLIC SHEATH.B.STANDARDS:1.LISTED AND LABELED AS DEFINED IN NFPA 70, BY A QUALIFIEDTESTING AGENCY, AND MARKED FOR INTENDED LOCATION ANDUSE.2.COMPLY WITH UL 1569.C.GROUND CONDUCTOR SHALL BE INSULATED. CONDUCTORINSULATION TYPE THHN/THWN-2 SHALL COMPLY WITH UL 83.CONDUCTOR INSULATION TYPE XHHW-2 SHALL COMPLY WITH UL 44.D.ARMOR SHALL BE STEEL OR ALUMINUM, INTERLOCKED. JACKETSHALL BE PVC APPLIED OVER ARMOR.2.3CONNECTORS AND SPLICESA.DESCRIPTION: FACTORY-FABRICATED CONNECTORS, SPLICES, ANDLUGS OF SIZE, AMPACITY RATING, MATERIAL, TYPE, AND CLASS FORAPPLICATION AND SERVICE INDICATED; LISTED AND LABELED ASDEFINED IN NFPA 70, BY A QUALIFIED TESTING AGENCY, ANDMARKED FOR INTENDED LOCATION AND USE.B.JACKETED CABLE CONNECTORS: FOR STEEL AND ALUMINUMJACKETED CABLES, ZINC DIE-CAST WITH SET SCREWS, DESIGNEDTO CONNECT CONDUCTORS SPECIFIED IN THIS SECTION.C.LUGS: ONE PIECE, SEAMLESS, DESIGNED TO TERMINATECONDUCTORS SPECIFIED IN THIS SECTION. MATERIAL SHALL BECOPPER. TYPE SHALL BE ONE OR TWO HOLE WITH STANDARD ORLONG BARRELS. TERMINATIONS SHALL BE COMPRESSION.PART 3 - EXECUTION3.1CONDUCTOR MATERIAL APPLICATIONSA.FEEDERS: COPPER. CONDUCTORS SHALL BE SOLID OR STRANDEDFOR NO. 10 AWG AND SMALLER; STRANDED FOR NO. 8 AWG ANDLARGER.B.BRANCH CIRCUITS: COPPER. SOLID OR STRANDED FOR NO. 10 AWGAND SMALLER; STRANDED FOR NO. 8 AWG AND LARGER. WIRESMALLER THAN NO. 12 AWG SHALL NOT BE USED FOR LIGHTING ANDPOWER CIRCUITS.C.POWER-LIMITED FIRE ALARM AND CONTROL: SOLID FOR NO. 12 AWGAND SMALLER.3.2CONDUCTOR INSULATION AND MULTICONDUCTOR CABLEAPPLICATIONS AND WIRING METHODSA.SERVICE ENTRANCE: TYPE THHN-THWN OR XHHW-2, SINGLECONDUCTORS IN RACEWAY.B.FEEDERS AND BRANCH CIRCUITING: TYPE THHN-THWN, SINGLECONDUCTORS IN RACEWAY.C.METAL-CLAD CABLE, TYPE MC, SHALL BE PERMISSIBLE WHEREINSTALLED AS BRANCH CIRCUITING CONCEALED IN ACCESSIBLECEILINGS, WALLS, AND PARTITIONS, OR WHERE INSTALLED BELOWRAISED FLOORING.3.3INSTALLATION OF CONDUCTORS AND CABLESA.CONCEAL CABLES IN FINISHED WALLS, CEILINGS, AND FLOORSUNLESS OTHERWISE INDICATED.B.USE MANUFACTURER-APPROVED PULLING COMPOUND OR LUBRICANTWHERE NECESSARY; COMPOUND USED MUST NOT DETERIORATECONDUCTOR OR INSULATION. DO NOT EXCEED MANUFACTURER'SRECOMMENDED MAXIMUM PULLING TENSIONS AND SIDEWALLPRESSURE VALUES.C.INSTALL EXPOSED CABLES PARALLEL AND PERPENDICULAR TOSURFACES OF EXPOSED STRUCTURAL MEMBERS, AND FOLLOWSURFACE CONTOURS WHERE POSSIBLE.D.METAL CLAD CABLING SHALL BE SECURED EVERY SIX FEET ANDWITHIN 12 INCHES OF EVERY BOX OR TERMINATION AS REQUIRED BYCODE. INSTALLATION OF METAL CLAD CABLING SHALL BE DONE INA NEAT AND WORKMANLIKE MANNER AND FOLLOW OR BEPERPENDICULAR TO BUILDING LINES.E.EACH DESIGNED CIRCUIT HOMERUN SHALL HAVE ITS OWNINDIVIDUAL GROUND CONDUCTOR. CONDUIT SHALL NOT BE USED AGROUND CONDUCTOR.3.4CONNECTIONSA.TIGHTEN ELECTRICAL CONNECTORS AND TERMINALS ACCORDING TOMANUFACTURER'S PUBLISHED TORQUE-TIGHTENING VALUES. IFMANUFACTURER'S TORQUE VALUES ARE NOT INDICATED, USE THOSESPECIFIED IN UL 486A-486B.B.MAKE SPLICES, TERMINATIONS, AND TAPS THAT ARE COMPATIBLEWITH CONDUCTOR MATERIAL AND THAT POSSESS EQUIVALENT ORBETTER MECHANICAL STRENGTH AND INSULATION RATINGS THANUNSPLICED CONDUCTORS.C.WIRING AT OUTLETS: INSTALL CONDUCTOR AT EACH OUTLET, WITHAT LEAST 6 INCHES OF SLACK.D.PUSH-ON WIRE CONNECTORS, OTHER THAN FOR LUMINAIREDISCONNECTS, ARE NOT PERMITTED.E.ALL EXTERIOR WIRING CONNECTIONS, AND THOSE MADE AT ORBELOW GRADE SHALL BE WATERPROOF WITH UL LISTEDWATERPROOF CONNECTORS.F.COPPER CONDUCTORS #10 AWG AND SMALLER SHALL BETERMINATED AND SPLICED WITH WIRE NUT CONNECTORS. THENYLON SELF_INSULATED TYPE SHALL BE USED TO ISOLATE THETERMINATION FROM OTHER METAL PARTS AND EQUIPMENT.G.COPPER CONDUCTORS #8 AWG AND LARGER SHALL BE TERMINATED,SPLICED, AND TAPPED WITH COLOR_KEYED COMPRESSIONCONNECTORS. THE MANUFACTURERS RECOMMENDED TOOLS ANDDIES SHALL BE USED.H.COPPER CABLE LUG CONNECTIONS #8 AND LARGER TO COPPER BUSBAR MAINS AND BRANCHES SHALL USE COPPER SOLDERLESSCONNECTORS HAVING EITHER 2_BOLT CAST COPPER CLAMPS ORCOMPRESSION CONNECTORS, WITH MANUFACTURER'SRECOMMENDED HEXAGONAL DIES AND HYDRAULIC COMPRESSIONTOOLS.SECTION 260526 - GROUNDING AND BONDING FOR ELECTRICAL SYSTEMSPART 1 - GENERAL1.1SUBMITTALSA.PRODUCT DATA: FOR EACH TYPE OF PRODUCT INDICATED.PART 2 - PRODUCTS2.1SYSTEM DESCRIPTIONA.ELECTRICAL COMPONENTS, DEVICES, AND ACCESSORIES: LISTEDAND LABELED AS DEFINED IN NFPA 70, BY A QUALIFIED TESTINGAGENCY, AND MARKED FOR INTENDED LOCATION AND APPLICATION.B.COMPLY WITH UL 467 FOR GROUNDING AND BONDING MATERIALSAND EQUIPMENT.2.2CONDUCTORSA.INSULATED CONDUCTORS: COPPER OR TINNED-COPPER WIRE ORCABLE INSULATED FOR 600 V UNLESS OTHERWISE REQUIRED BYAPPLICABLE CODE OR AUTHORITIES HAVING JURISDICTION.B.GROUNDING BUS: PREDRILLED RECTANGULAR BARS OF ANNEALEDCOPPER, 1/4 BY 4 INCHES IN CROSS SECTION, WITH 9/32-INCH HOLESSPACED 1-1/8 INCHES APART. STAND-OFF INSULATORS FORMOUNTING SHALL COMPLY WITH UL 891 FOR USE IN SWITCHBOARDS,600 V AND SHALL BE LEXAN OR PVC, IMPULSE TESTED AT 5000 V.2.3CONNECTORSA.LISTED AND LABELED BY AN NRTL ACCEPTABLE TO AUTHORITIESHAVING JURISDICTION FOR APPLICATIONS IN WHICH USED AND FORSPECIFIC TYPES, SIZES, AND COMBINATIONS OF CONDUCTORS ANDOTHER ITEMS CONNECTED.2.4GROUNDING ELECTRODESA.GROUND RODS: COPPER-CLAD STEEL; 3/4 INCH BY 10 FEET.B.GROUND PLATES: 1/4 INCH THICK, HOT-DIP GALVANIZED.PART 3 - EXECUTION3.1APPLICATIONSA.CONDUCTORS: INSTALL SOLID CONDUCTOR FOR NO. 8 AWG ANDSMALLER, AND STRANDED CONDUCTORS FOR NO. 6 AWG ANDLARGER UNLESS OTHERWISE INDICATED.B.UNDERGROUND GROUNDING CONDUCTORS: INSTALL BARE COPPERCONDUCTOR, NO. 3/0 AWG MINIMUM. BURY AT LEAST 24 INCHESBELOW GRADE.C.ISOLATED GROUNDING CONDUCTORS: GREEN-COLORED INSULATIONWITH CONTINUOUS YELLOW STRIPE. ON FEEDERS WITH ISOLATEDGROUND, IDENTIFY GROUNDING CONDUCTOR WHERE VISIBLE TONORMAL INSPECTION, WITH ALTERNATING BANDS OF GREEN ANDYELLOW TAPE, WITH AT LEAST THREE BANDS OF GREEN AND TWOBANDS OF YELLOW.D.GROUNDING BUS: INSTALL IN ELECTRICAL EQUIPMENT ROOMS, INROOMS HOUSING SERVICE EQUIPMENT, AND ELSEWHERE ASINDICATED.1.INSTALL BUS HORIZONTALLY, ON INSULATED SPACERS 2INCHES MINIMUM FROM WALL, 6 INCHES ABOVE FINISHEDFLOOR UNLESS OTHERWISE INDICATED.2.WHERE INDICATED ON BOTH SIDES OF DOORWAYS, ROUTE BUSUP TO TOP OF DOOR FRAME, ACROSS TOP OF DOORWAY, ANDDOWN; CONNECT TO HORIZONTAL BUS.E.CONDUCTOR TERMINATIONS AND CONNECTIONS:1.PIPE AND EQUIPMENT GROUNDING CONDUCTOR TERMINATIONS:BOLTED CONNECTORS.2.UNDERGROUND CONNECTIONS: WELDED CONNECTORS EXCEPTAT TEST WELLS AND AS OTHERWISE INDICATED.3.CONNECTIONS TO GROUND RODS AT TEST WELLS: BOLTEDCONNECTORS.4.CONNECTIONS TO STRUCTURAL STEEL: WELDED CONNECTORS.3.2GROUNDING AT THE SERVICEA.EQUIPMENT GROUNDING CONDUCTORS AND GROUNDING ELECTRODECONDUCTORS SHALL BE CONNECTED TO THE GROUND BUS. INSTALLA MAIN BONDING JUMPER BETWEEN THE NEUTRAL AND GROUNDBUSES.3.3EQUIPMENT GROUNDINGA.INSTALL INSULATED EQUIPMENT GROUNDING CONDUCTORS WITHALL FEEDERS AND BRANCH CIRCUITS.B.INSTALL INSULATED EQUIPMENT GROUNDING CONDUCTORS WITHTHE FOLLOWING ITEMS, IN ADDITION TO THOSE REQUIRED BYNFPA 70:1.FEEDERS AND BRANCH CIRCUITS.2.LIGHTING CIRCUITS.3.RECEPTACLE CIRCUITS.4.SINGLE-PHASE MOTOR AND APPLIANCE BRANCH CIRCUITS.5.THREE-PHASE MOTOR AND APPLIANCE BRANCH CIRCUITS.6.FLEXIBLE RACEWAY RUNS.7.METAL-CLAD CABLE RUNS.8.COMPUTER AND RACK-MOUNTED ELECTRONIC EQUIPMENTCIRCUITS: INSTALL INSULATED EQUIPMENT GROUNDINGCONDUCTOR IN BRANCH-CIRCUIT RUNS FROM EQUIPMENT-AREAPOWER PANELS AND POWER-DISTRIBUTION UNITS.3.4INSTALLATIONA.GROUNDING CONDUCTORS: ROUTE ALONG SHORTEST ANDSTRAIGHTEST PATHS POSSIBLE UNLESS OTHERWISE INDICATED ORREQUIRED BY CODE. AVOID OBSTRUCTING ACCESS OR PLACINGCONDUCTORS WHERE THEY MAY BE SUBJECTED TO STRAIN, IMPACT,OR DAMAGE.B.GROUND RODS: DRIVE RODS UNTIL TOPS ARE 6 INCHES BELOWFINISHED FLOOR OR FINAL GRADE UNLESS OTHERWISE INDICATED.1.INTERCONNECT GROUND RODS WITH GROUNDING ELECTRODECONDUCTOR BELOW GRADE AND AS OTHERWISE INDICATED.MAKE CONNECTIONS WITHOUT EXPOSING STEEL OR DAMAGINGCOATING IF ANY.2.USE EXOTHERMIC WELDS FOR ALL BELOW-GRADECONNECTIONS.3.FOR GROUNDING ELECTRODE SYSTEM, INSTALL AT LEASTTHREE RODS SPACED AT LEAST ONE-ROD LENGTH FROM EACHOTHER AND LOCATED AT LEAST THE SAME DISTANCE FROMOTHER GROUNDING ELECTRODES, AND CONNECT TO THESERVICE GROUNDING ELECTRODE CONDUCTOR.C.TEST WELLS: GROUND ROD DRIVEN THROUGH DRILLED HOLE INBOTTOM OF HANDHOLE. HANDHOLES SHALL BE AT LEAST 12 INCHESDEEP, WITH COVER.1.INSTALL AT LEAST ONE TEST WELL FOR EACH SERVICE UNLESSOTHERWISE INDICATED. INSTALL AT THE GROUND RODELECTRICALLY CLOSEST TO SERVICE ENTRANCE. SET TOP OFTEST WELL FLUSH WITH FINISHED GRADE OR FLOOR.D.BONDING STRAPS AND JUMPERS: INSTALL IN LOCATIONSACCESSIBLE FOR INSPECTION AND MAINTENANCE EXCEPT WHEREROUTED THROUGH SHORT LENGTHS OF CONDUIT.1.BONDING TO STRUCTURE: BOND STRAPS DIRECTLY TO BASICSTRUCTURE, TAKING CARE NOT TO PENETRATE ANY ADJACENTPARTS.2.BONDING TO EQUIPMENT MOUNTED ON VIBRATION ISOLATIONHANGERS AND SUPPORTS: INSTALL BONDING SO VIBRATION ISNOT TRANSMITTED TO RIGIDLY MOUNTED EQUIPMENT.3.USE EXOTHERMIC-WELDED CONNECTORS FOR OUTDOORLOCATIONS; IF A DISCONNECT-TYPE CONNECTION IS REQUIRED,USE A BOLTED CLAMP.E.GROUNDING AND BONDING FOR PIPING:1.METAL WATER SERVICE PIPE: INSTALL INSULATED COPPERGROUNDING CONDUCTORS, IN CONDUIT, FROM BUILDING'S MAINSERVICE EQUIPMENT, OR GROUNDING BUS, TO MAIN METALWATER SERVICE ENTRANCES TO BUILDING. CONNECTGROUNDING CONDUCTORS TO MAIN METAL WATER SERVICEPIPES; USE A BOLTED CLAMP CONNECTOR OR BOLT ALUG-TYPE CONNECTOR TO A PIPE FLANGE BY USING ONE OFTHE LUG BOLTS OF THE FLANGE. WHERE A DIELECTRIC MAINWATER FITTING IS INSTALLED, CONNECT GROUNDINGCONDUCTOR ON STREET SIDE OF FITTING. BOND METALGROUNDING CONDUCTOR CONDUIT OR SLEEVE TO CONDUCTORAT EACH END.2.WATER METER PIPING: USE BRAIDED-TYPE BONDING JUMPERSTO ELECTRICALLY BYPASS WATER METERS. CONNECT TO PIPEWITH A BOLTED CONNECTOR.3.BOND EACH ABOVEGROUND PORTION OF GAS PIPING SYSTEMDOWNSTREAM FROM EQUIPMENT SHUTOFF VALVE.F.BONDING INTERIOR METAL DUCTS: BOND METAL AIR DUCTS TOEQUIPMENT GROUNDING CONDUCTORS OF ASSOCIATED FANS,BLOWERS, ELECTRIC HEATERS, AND AIR CLEANERS. INSTALLTINNED BONDING JUMPER TO BOND ACROSS FLEXIBLE DUCTCONNECTIONS TO ACHIEVE CONTINUITY.G.GROUNDING FOR STEEL BUILDING STRUCTURE: INSTALL A DRIVENGROUND ROD AT BASE OF EACH CORNER COLUMN AND ATINTERMEDIATE EXTERIOR COLUMNS AT DISTANCES NOT MORE THAN60 FEET APART.H.CONNECTIONS: MAKE CONNECTIONS SO POSSIBILITY OF GALVANICACTION OR ELECTROLYSIS IS MINIMIZED. SELECT CONNECTORS,CONNECTION HARDWARE, CONDUCTORS, AND CONNECTIONMETHODS SO METALS IN DIRECT CONTACT ARE GALVANICALLYCOMPATIBLE.1.USE ELECTROPLATED OR HOT-TIN-COATED MATERIALS TOENSURE HIGH CONDUCTIVITY AND TO MAKE CONTACT POINTSCLOSER IN ORDER OF GALVANIC SERIES.2.MAKE CONNECTIONS WITH CLEAN, BARE METAL AT POINTS OFCONTACT.3.MAKE ALUMINUM-TO-STEEL CONNECTIONS WITHSTAINLESS-STEEL SEPARATORS AND MECHANICAL CLAMPS.4.MAKE ALUMINUM-TO-GALVANIZED-STEEL CONNECTIONS WITHTIN-PLATED COPPER JUMPERS AND MECHANICAL CLAMPS.5.COAT AND SEAL CONNECTIONS HAVING DISSIMILAR METALSWITH INERT MATERIAL TO PREVENT FUTURE PENETRATION OFMOISTURE TO CONTACT SURFACES.SECTION 260533 - RACEWAYS AND BOXES FOR ELECTRICAL SYSTEMSPART 1 - GENERAL1.1ACTION SUBMITTALSA.PRODUCT DATA: FOR SURFACE RACEWAYS, WIREWAYS ANDFITTINGS, FLOOR BOXES, HINGED-COVER ENCLOSURES, ANDCABINETS.PART 2 - PRODUCTS2.1METAL CONDUITS AND FITTINGSA.METAL CONDUIT:1.LISTING AND LABELING: LISTED AND LABELED AS DEFINED INNFPA 70, BY A QUALIFIED TESTING AGENCY, AND MARKED FORINTENDED LOCATION AND APPLICATION.2.GRC: COMPLY WITH ANSI C80.1.3.IMC: COMPLY WITH ANSI C80.6.4.PVC-COATED STEEL CONDUIT: PVC-COATED RIGID STEELCONDUIT IMC. COMPLY WITH NEMA RN 1.5.EMT: COMPLY WITH ANSI C80.3.6.FMC: COMPLY WITH UL 1; ZINC-COATED STEEL OR ALUMINUM.7.LFMC: FLEXIBLE STEEL CONDUIT WITH PVC JACKET ANDCOMPLYING WITH UL 360.B.METAL FITTINGS:1.COMPLY WITH NEMA FB 1 AND UL 514B.2.LISTING AND LABELING: LISTED AND LABELED AS DEFINED INNFPA 70, BY A QUALIFIED TESTING AGENCY, AND MARKED FORINTENDED LOCATION AND APPLICATION.3.FITTINGS, GENERAL: LISTED AND LABELED FOR TYPE OFCONDUIT, LOCATION, AND USE.4.CONDUIT FITTINGS FOR HAZARDOUS (CLASSIFIED) LOCATIONS:COMPLY WITH UL 1203 AND NFPA 70.5.FITTINGS FOR EMT: MATERIAL: STEEL OR DIE CAST. TYPE:COMPRESSION.6.EXPANSION FITTINGS: PVC OR STEEL TO MATCH CONDUIT TYPE,COMPLYING WITH UL 651, RATED FOR ENVIRONMENTALCONDITIONS WHERE INSTALLED, AND INCLUDING FLEXIBLEEXTERNAL BONDING JUMPER.7.COATING FOR FITTINGS FOR PVC-COATED CONDUIT: MINIMUMTHICKNESS OF 0.040 INCH, WITH OVERLAPPING SLEEVESPROTECTING THREADED JOINTS.C.JOINT COMPOUND FOR IMC, GRC, OR ARC: APPROVED, AS DEFINED INNFPA 70, BY AUTHORITIES HAVING JURISDICTION FOR USE INCONDUIT ASSEMBLIES, AND COMPOUNDED FOR USE TO LUBRICATEAND PROTECT THREADED CONDUIT JOINTS FROM CORROSION ANDTO ENHANCE THEIR CONDUCTIVITY.2.2NONMETALLIC CONDUITS AND FITTINGSA.NONMETALLIC CONDUIT:1.LISTING AND LABELING: NONMETALLIC CONDUIT SHALL BELISTED AND LABELED AS DEFINED IN NFPA 70, BY A QUALIFIEDTESTING AGENCY, AND MARKED FOR INTENDED LOCATION ANDAPPLICATION.2.FIBERGLASS: COMPLY WITH NEMA TC 14. COMPLY WITH UL 2515FOR ABOVEGROUND RACEWAYS. COMPLY WITH UL 2420 FORBELOWGROUND RACEWAYS.3.ENT: COMPLY WITH NEMA TC 13.4.RNC: TYPE EPC-80-PVC, COMPLYING WITH NEMA TC 2 ANDUL 651 UNLESS OTHERWISE INDICATED.5.LFNC: COMPLY WITH UL 1660.B.NONMETALLIC FITTINGS:1.FITTINGS, GENERAL: LISTED AND LABELED FOR TYPE OFCONDUIT, LOCATION, AND USE.2.FITTINGS FOR ENT AND RNC: COMPLY WITH NEMA TC 3; MATCHTO CONDUIT OR TUBING TYPE AND MATERIAL. FITTINGS FORLFNC: COMPLY WITH UL 514B.2.3METAL WIREWAYS AND AUXILIARY GUTTERSA.DESCRIPTION: SHEET METAL, COMPLYING WITH UL 870 ANDNEMA 250, TYPE 1, TYPE 3R, OR TYPE 4 UNLESS OTHERWISEINDICATED, AND SIZED ACCORDING TO NFPA 70.1.METAL WIREWAYS INSTALLED OUTDOORS SHALL BE LISTEDAND LABELED AS DEFINED IN NFPA 70, BY A QUALIFIEDTESTING AGENCY, AND MARKED FOR INTENDED LOCATION ANDAPPLICATION.B.FITTINGS AND ACCESSORIES: INCLUDE COVERS, COUPLINGS,OFFSETS, ELBOWS, EXPANSION JOINTS, ADAPTERS, HOLD-DOWNSTRAPS, END CAPS, AND OTHER FITTINGS TO MATCH AND MATEWITH WIREWAYS AS REQUIRED FOR COMPLETE SYSTEM.C.WIREWAY COVERS: HINGED TYPE SCREW-COVER TYPEFLANGED-AND-GASKETED TYPE UNLESS OTHERWISE INDICATED.D.FINISH: MANUFACTURER'S STANDARD ENAMEL FINISH.2.4SURFACE RACEWAYSA.LISTING AND LABELING: SURFACE RACEWAYS AND TELE-POWERPOLES SHALL BE LISTED AND LABELED AS DEFINED IN NFPA 70, BYA QUALIFIED TESTING AGENCY, AND MARKED FOR INTENDEDLOCATION AND APPLICATION.B.SURFACE METAL RACEWAYS: GALVANIZED STEEL WITH SNAP-ONCOVERS COMPLYING WITH UL 5. MANUFACTURER'S STANDARDENAMEL FINISH IN COLOR SELECTED BY ARCHITECT.2.5BOXES, ENCLOSURES, AND CABINETSA.GENERAL REQUIREMENTS FOR BOXES, ENCLOSURES, AND CABINETS:BOXES, ENCLOSURES, AND CABINETS INSTALLED IN WET LOCATIONSSHALL BE LISTED FOR USE IN WET LOCATIONS.B.SHEET METAL OUTLET AND DEVICE BOXES: COMPLY WITH NEMA OS 1AND UL 514A.C.CAST-METAL OUTLET AND DEVICE BOXES: COMPLY WITH NEMA FB 1,FERROUS ALLOY ALUMINUM, TYPE FD, WITH GASKETED COVER.D.NONMETALLIC OUTLET AND DEVICE BOXES: COMPLY WITH NEMA OS 2AND UL 514C.E.METAL FLOOR BOXES: MATERIAL: CAST METAL OR SHEET METAL.TYPE: FULLY ADJUSTABLE. SHAPE: RECTANGULAR.F.LUMINAIRE OUTLET BOXES: NONADJUSTABLE, DESIGNED FORATTACHMENT OF LUMINAIRE WEIGHING 50 LB. OUTLET BOXESDESIGNED FOR ATTACHMENT OF LUMINAIRES WEIGHING MORE THAN50 LB SHALL BE LISTED AND MARKED FOR THE MAXIMUMALLOWABLE WEIGHT.G.SMALL SHEET METAL PULL AND JUNCTION BOXES: NEMA OS 1.H.CAST-METAL ACCESS, PULL, AND JUNCTION BOXES: COMPLY WITHNEMA FB 1 AND UL 1773, CAST ALUMINUM OR GALVANIZED, CAST IRONWITH GASKETED COVER.I.BOX EXTENSIONS USED TO ACCOMMODATE NEW BUILDING FINISHESSHALL BE OF SAME MATERIAL AS RECESSED BOX.J.DEVICE BOX DIMENSIONS: 4 INCHES SQUARE BY 2-1/8 INCHES DEEPOR 4 INCHES BY 2-1/8 INCHES BY 2-1/8 INCHES DEEP.K.GANGABLE BOXES ARE PROHIBITED.L.HINGED-COVER ENCLOSURES: COMPLY WITH UL 50 AND NEMA 250,TYPE 1 TYPE 3R TYPE 4 WITH CONTINUOUS-HINGE COVER WITH FLUSHLATCH UNLESS OTHERWISE INDICATED.1.METAL ENCLOSURES: STEEL, FINISHED INSIDE AND OUT WITHMANUFACTURER'S STANDARD ENAMEL.2.NONMETALLIC ENCLOSURES: FIBERGLASS.3.INTERIOR PANELS: STEEL; ALL SIDES FINISHED WITHMANUFACTURER'S STANDARD ENAMEL.M.CABINETS:NEMA 250, TYPE 1 TYPE 3R TYPE 12 GALVANIZED-STEEL BOX WITHREMOVABLE INTERIOR PANEL AND REMOVABLE FRONT, FINISHEDINSIDE AND OUT WITH MANUFACTURER'S STANDARD ENAMEL.HINGED DOOR IN FRONT COVER WITH FLUSH LATCH ANDCONCEALED HINGE. KEY LATCH TO MATCH PANELBOARDS. METALBARRIERS TO SEPARATE WIRING OF DIFFERENT SYSTEMS ANDVOLTAGE. ACCESSORY FEET WHERE REQUIRED FOR FREESTANDINGEQUIPMENT.NONMETALLIC CABINETS SHALL BE LISTED AND LABELED ASDEFINED IN NFPA 70, BY A QUALIFIED TESTING AGENCY, ANDMARKED FOR INTENDED LOCATION AND APPLICATION.2.6HANDHOLES AND BOXES FOR EXTERIOR UNDERGROUND WIRINGA.GENERAL REQUIREMENTS FOR HANDHOLES AND BOXES:1.BOXES AND HANDHOLES FOR USE IN UNDERGROUND SYSTEMSSHALL BE DESIGNED AND IDENTIFIED AS DEFINED IN NFPA 70,FOR INTENDED LOCATION AND APPLICATION.2.BOXES INSTALLED IN WET AREAS SHALL BE LISTED ANDLABELED AS DEFINED IN NFPA 70, BY A QUALIFIED TESTINGAGENCY, AND MARKED FOR INTENDED LOCATION ANDAPPLICATION.PART 3 - EXECUTION3.1RACEWAY APPLICATIONA.OUTDOORS: APPLY RACEWAY PRODUCTS AS SPECIFIED BELOWUNLESS OTHERWISE INDICATED:1.EXPOSED CONDUIT: GRC, IMC, RNC, TYPE EPC-80-PVC.2.CONCEALED CONDUIT, ABOVEGROUND: GRC, IMC AND EMT.3.UNDERGROUND CONDUIT: RNC, TYPE EPC-80-PVC, DIRECTBURIED AND CONCRETE ENCASED WHERE UNDER DRIVES ANDPARKING AREAS.4.CONNECTION TO VIBRATING EQUIPMENT (INCLUDINGTRANSFORMERS AND HYDRAULIC, PNEUMATIC, ELECTRICSOLENOID, OR MOTOR-DRIVEN EQUIPMENT): LFMC AND LFNC.5.BOXES AND ENCLOSURES, ABOVEGROUND: NEMA 250, TYPE 3RAND TYPE 4.B.INDOORS: APPLY RACEWAY PRODUCTS AS SPECIFIED BELOWUNLESS OTHERWISE INDICATED:1.EXPOSED, NOT SUBJECT TO PHYSICAL DAMAGE: EMT.2.EXPOSED, NOT SUBJECT TO SEVERE PHYSICAL DAMAGE: EMT.3.EXPOSED AND SUBJECT TO SEVERE PHYSICAL DAMAGE: GRC.RACEWAY LOCATIONS INCLUDE THE FOLLOWING: LOADINGDOCK, CORRIDORS USED FOR TRAFFIC OF MECHANIZED CARTS,FORKLIFTS, AND PALLET-HANDLING UNITS, MECHANICALROOMS.4.CONCEALED IN CEILINGS AND INTERIOR WALLS ANDPARTITIONS: EMT.5.CONNECTION TO VIBRATING EQUIPMENT (INCLUDINGTRANSFORMERS AND HYDRAULIC, PNEUMATIC, ELECTRICSOLENOID, OR MOTOR-DRIVEN EQUIPMENT): FMC, EXCEPT USELFMC IN DAMP OR WET LOCATIONS.6.DAMP OR WET LOCATIONS: GRC.7.BOXES AND ENCLOSURES: NEMA 250, TYPE 1, EXCEPT USENEMA 250, TYPE 4 STAINLESS STEEL IN INSTITUTIONAL ANDCOMMERCIAL KITCHENS AND DAMP OR WET LOCATIONS.C.MINIMUM RACEWAY SIZE: 3/4-INCH TRADE SIZE.D.RACEWAY FITTINGS: COMPATIBLE WITH RACEWAYS AND SUITABLEFOR USE AND LOCATION.1.RIGID AND INTERMEDIATE STEEL CONDUIT: USE THREADEDRIGID STEEL CONDUIT FITTINGS UNLESS OTHERWISE INDICATED.COMPLY WITH NEMA FB 2.10.2.PVC EXTERNALLY COATED, RIGID STEEL CONDUITS: USE ONLYFITTINGS LISTED FOR USE WITH THIS TYPE OF CONDUIT. PATCHAND SEAL ALL JOINTS, NICKS, AND SCRAPES IN PVC COATINGAFTER INSTALLING CONDUITS AND FITTINGS. USE SEALANTRECOMMENDED BY FITTING MANUFACTURER AND APPLY INTHICKNESS AND NUMBER OF COATS RECOMMENDED BYMANUFACTURER.3.EMT: USE SETSCREW, STEEL FITTINGS. COMPLY WITHNEMA FB 2.10.4.FLEXIBLE CONDUIT: USE ONLY FITTINGS LISTED FOR USE WITHFLEXIBLE CONDUIT. COMPLY WITH NEMA FB 2.20.E.DO NOT INSTALL ALUMINUM CONDUITS, BOXES, OR FITTINGS INCONTACT WITH CONCRETE OR EARTH.F.INSTALL SURFACE RACEWAYS ONLY WHERE INDICATED ONDRAWINGS.3.2INSTALLATIONA.COMPLY WITH NECA 1 AND NECA 101 FOR INSTALLATIONREQUIREMENTS EXCEPT WHERE REQUIREMENTS ON DRAWINGS OR INTHIS ARTICLE ARE STRICTER. COMPLY WITH NECA 102 FOR ALUMINUMCONDUITS. COMPLY WITH NFPA 70 LIMITATIONS FOR TYPES OFRACEWAYS ALLOWED IN SPECIFIC OCCUPANCIES AND NUMBER OFFLOORS.B.KEEP RACEWAYS AT LEAST 6 INCHES AWAY FROM PARALLEL RUNSOF FLUES AND STEAM OR HOT-WATER PIPES. INSTALL HORIZONTALRACEWAY RUNS ABOVE WATER AND STEAM PIPING.C.ARRANGE STUB-UPS SO CURVED PORTIONS OF BENDS ARE NOTVISIBLE ABOVE FINISHED SLAB.D.INSTALL NO MORE THAN THE EQUIVALENT OF THREE 90-DEGREEBENDS IN ANY CONDUIT RUN EXCEPT FOR CONTROL WIRINGCONDUITS, FOR WHICH FEWER BENDS ARE ALLOWED. SUPPORTWITHIN 12 INCHES OF CHANGES IN DIRECTION.E.CONCEAL CONDUIT AND EMT WITHIN FINISHED WALLS, CEILINGS,AND FLOORS UNLESS OTHERWISE INDICATED. INSTALL CONDUITSPARALLEL OR PERPENDICULAR TO BUILDING LINES.F.SUPPORT CONDUIT WITHIN 12 INCHES OF ENCLOSURES TO WHICHATTACHED.G.RACEWAYS EMBEDDED IN SLABS:RUN CONDUIT LARGER THAN 1-INCH TRADE SIZE, PARALLEL OR ATRIGHT ANGLES TO MAIN REINFORCEMENT. WHERE AT RIGHT ANGLESTO REINFORCEMENT, PLACE CONDUIT CLOSE TO SLAB SUPPORT.SECURE RACEWAYS TO REINFORCEMENT AT MAXIMUM10-FOOTINTERVALS. ARRANGE RACEWAYS TO CROSS BUILDINGEXPANSION JOINTS AT RIGHT ANGLES WITH EXPANSION FITTINGS.ARRANGE RACEWAYS TO KEEP A MINIMUM OF 3 INCHES OFCONCRETE COVER IN ALL DIRECTIONS.DO NOT EMBED THREADLESS FITTINGS IN CONCRETE UNLESSSPECIFICALLY APPROVED BY ARCHITECT FOR EACH SPECIFICLOCATIONS. SOME AUTHORITIES HAVING JURISDICTION MAY NOTPERMIT NONMETALLIC TUBING IN FIRE-RATED SLABS INSUBPARAGRAPH BELOW. CHANGE FROM ENT TO GRC OR IMCBEFORE RISING ABOVE FLOOR.H.STUB-UPS TO ABOVE RECESSED CEILINGS: USE EMT, IMC, OR RMCFOR RACEWAYS.USE A CONDUIT BUSHING OR INSULATED FITTING TO TERMINATESTUB-UPS NOT TERMINATED IN HUBS OR IN AN ENCLOSURE.I.THREADED CONDUIT JOINTS, EXPOSED TO WET, DAMP, CORROSIVE,OR OUTDOOR CONDITIONS: APPLY LISTED COMPOUND TO THREADSOF RACEWAY AND FITTINGS BEFORE MAKING UP JOINTS. FOLLOWCOMPOUND MANUFACTURER'S WRITTEN INSTRUCTIONS.J.COAT FIELD-CUT THREADS ON PVC-COATED RACEWAY WITH ACORROSION-PREVENTING CONDUCTIVE COMPOUND PRIOR TOASSEMBLY.K.RACEWAY TERMINATIONS AT LOCATIONS SUBJECT TO MOISTURE ORVIBRATION: USE INSULATING BUSHINGS TO PROTECT CONDUCTORSINCLUDING CONDUCTORS SMALLER THAN NO. 4 AWG.L.TERMINATE THREADED CONDUITS INTO THREADED HUBS OR WITHLOCKNUTS ON INSIDE AND OUTSIDE OF BOXES OR CABINETS.INSTALL BUSHINGS ON CONDUITS UP TO 1-1/4-INCH TRADE SIZE ANDINSULATED THROAT METAL BUSHINGS ON 1-1/2-INCH TRADE SIZEAND LARGER CONDUITS TERMINATED WITH LOCKNUTS. INSTALLINSULATED THROAT METAL GROUNDING BUSHINGS ON SERVICECONDUITS.M.INSTALL RACEWAYS SQUARE TO THE ENCLOSURE AND TERMINATEAT ENCLOSURES WITH LOCKNUTS. INSTALL LOCKNUTS HAND TIGHTPLUS 1/4 TURN MORE.N.DO NOT RELY ON LOCKNUTS TO PENETRATE NONCONDUCTIVECOATINGS ON ENCLOSURES. REMOVE COATINGS IN THE LOCKNUTAREA PRIOR TO ASSEMBLING CONDUIT TO ENCLOSURE TO ASSURE ACONTINUOUS GROUND PATH.O.CUT CONDUIT PERPENDICULAR TO THE LENGTH. FOR CONDUITS2-INCH TRADE SIZE AND LARGER, USE ROLL CUTTER OR A GUIDE TOMAKE CUT STRAIGHT AND PERPENDICULAR TO THE LENGTH.P.INSTALL PULL WIRES IN EMPTY RACEWAYS.Q.FLEXIBLE CONDUIT CONNECTIONS: COMPLY WITH NEMA RV 3. USE AMAXIMUM OF 72 INCHES OF FLEXIBLE CONDUIT FOR EQUIPMENTSUBJECT TO VIBRATION, NOISE TRANSMISSION, OR MOVEMENT; ANDFOR TRANSFORMERS AND MOTORS.1.USE LFMC IN DAMP OR WET LOCATIONS SUBJECT TO SEVEREPHYSICAL DAMAGE.2.USE LFMC OR LFNC IN DAMP OR WET LOCATIONS NOT SUBJECTTO SEVERE PHYSICAL DAMAGE.R.MOUNT BOXES AT HEIGHTS INDICATED ON DRAWINGS. IF MOUNTINGHEIGHTS OF BOXES ARE NOT INDIVIDUALLY INDICATED, GIVEPRIORITY TO ADA REQUIREMENTS. INSTALL BOXES WITH HEIGHTMEASURED TO CENTER OF BOX UNLESS OTHERWISE INDICATED.S.RECESSED BOXES IN MASONRY WALLS: SAW-CUT OPENING FORBOX IN CENTER OF CELL OF MASONRY BLOCK, AND INSTALL BOXFLUSH WITH SURFACE OF WALL. PREPARE BLOCK SURFACES TOPROVIDE A FLAT SURFACE FOR A RAINTIGHT CONNECTION BETWEENBOX AND COVER PLATE OR SUPPORTED EQUIPMENT AND BOX.T.HORIZONTALLY SEPARATE BOXES MOUNTED ON OPPOSITE SIDES OFWALLS SO THEY ARE NOT IN THE SAME VERTICAL CHANNEL.U.LOCATE BOXES SO THAT COVER OR PLATE WILL NOT SPANDIFFERENT BUILDING FINISHES.V.SUPPORT BOXES OF THREE GANGS OR MORE FROM MORE THAN ONESIDE BY SPANNING TWO FRAMING MEMBERS OR MOUNTING ONBRACKETS SPECIFICALLY DESIGNED FOR THE PURPOSE.W.FASTEN JUNCTION AND PULL BOXES TO OR SUPPORT FROM BUILDINGSTRUCTURE. DO NOT SUPPORT BOXES BY CONDUITS.SECTION 260923 - LIGHTING CONTROL DEVICESPART 1 - GENERAL1.1SUBMITTALSA.PRODUCT DATA: FOR EACH TYPE OF PRODUCT INDICATED.1.2COORDINATIONA.COORDINATE LAYOUT AND INSTALLATION OF CEILING-MOUNTEDDEVICES WITH OTHER CONSTRUCTION THAT PENETRATES CEILINGSOR IS SUPPORTED BY THEM, INCLUDING LIGHT FIXTURES, HVACEQUIPMENT, SMOKE DETECTORS, FIRE-SUPPRESSION SYSTEM, ANDPARTITION ASSEMBLIES.PART 2 - PRODUCTS2.1TIME SWITCHESA.LOW VOLTAGE DIGITAL TIME SWITCH: SPECIFIC PRODUCT ASINDICATED ON DRAWINGS.1.THE DIGITAL TIME SWITCH SHALL BE PROGRAMMABLE TO TURNLOADS OFF AFTER A PRESET TIME.2.TIME SWITCH SHALL BE A FIVE WIRE, COMPLETELY SELFCONTAINED CONTROL SYSTEM THAT REPLACES A STANDARDTOGGLE SWITCH. SWITCHING MECHANISM SHALL BE A 30V, 1AAIR GAP RELAY.3.TIME SWITCH SHALL OPERATE AT EITHER 24 VAC OR 24 VDC,60 HZ.4.TIME SWITCH SHALL HAVE NO MINIMUM LOAD REQUIREMENT.5.TIME SWITCH SHALL BE 6-BUTTON WITH 30MINUTE/1HOUR/2HOUR/4 HOUR/8 HOUR/12 HOUR OPTIONS, WITHEACH OPTION ENGRAVED ON THE BUTTONS TO REFLECT THOSETIMES.6.TIME SWITCH SHALL GIVE VISUAL WARNING AT 5 MINUTESUNTIL LIGHTS TURN OFF, AND AUDIBLE/VISUAL WARNING AT 1MINUTE BEFORE THE LIGHTS TURN OFF.7.TIME SWITCH SHALL HAVE THE OPTION FOR A BEEP WARNINGTHAT SHALL SOUND EVERY FIVE SECONDS ONCE THE TIMESWITCH COUNTDOWN REACHES ONE MINUTE.8.TIME SWITCH SHALL HAVE MANUAL FEATURE FOR TIMER RESETWHERE PRESSING THE ON/OFF SWITCH FOR MORE THAN 2SECONDS RESETS THE TIMER TO THE PROGRAMMED TIME-OUTPERIOD.9.TIME SWITCH SHALL BE CAPABLE OF OPERATING AS ANON/OFF SWITCH.10.TIME SWITCH CAN OPERATE WITH POWER PACKS IN ORDER TOCONTROL ADDITIONAL LOADS.2.2OUTDOOR PHOTOELECTRIC SWITCHESA.DESCRIPTION: SOLID STATE, WITH DPST DRY CONTACTS RATED FOR1800-VA TUNGSTEN OR 1000-VA INDUCTIVE, TO OPERATECONNECTED RELAY, CONTACTOR COILS, OR MICROPROCESSORINPUT; COMPLYING WITH UL 773A. SPECIFIC PRODUCT AS INDICATEDON DRAWINGS.2.3DAYLIGHTING SENSORSA.DESCRIPTION: SOLID-STATE, LIGHT-LEVEL SENSOR UNIT, WITHSEPARATE RELAY UNIT, TO DETECT CHANGES IN LIGHTING LEVELSTHAT ARE PERCEIVED BY THE EYE. COMPATIBLE WITH LIGHTINGSYSTEM AS SPECIFIED.2.4INDOOR OCCUPANCY SENSORSA.GENERAL DESCRIPTION: WALL- OR CEILING-MOUNTING,SOLID-STATE UNITS WITH A SEPARATE RELAY UNIT. SPECIFICPRODUCT AS INDICATED ON DRAWINGS.1.OPERATION: UNLESS OTHERWISE INDICATED, TURN LIGHTS ONWHEN COVERED AREA IS OCCUPIED AND OFF WHENUNOCCUPIED; WITH A TIME DELAY FOR TURNING LIGHTS OFF,ADJUSTABLE OVER A MINIMUM RANGE OF 1 TO 30 MINUTES.2.MOUNTING:a.SENSOR: SUITABLE FOR MOUNTING IN ANY POSITION ON ASTANDARD OUTLET BOX.3.INDICATOR: LED, TO SHOW WHEN MOTION IS BEING DETECTEDDURING TESTING AND NORMAL OPERATION OF THE SENSOR.4.BYPASS SWITCH: OVERRIDE THE ON FUNCTION IN CASE OFSENSOR FAILURE.B.PIR TYPE: CEILING MOUNTING; DETECT OCCUPANCY BY SENSING ACOMBINATION OF HEAT AND MOVEMENT IN AREA OF COVERAGE.SPECIFIC PRODUCT AS INDICATED ON DRAWINGS.1.DETECTOR SENSITIVITY: DETECT OCCURRENCES OF 6-INCH-(150-MM-) MINIMUM MOVEMENT OF ANY PORTION OF A HUMANBODY THAT PRESENTS A TARGET OF NOT LESS THAN 36 SQ. IN.(232 SQ. CM).2.DETECTION COVERAGE (ROOM): DETECT OCCUPANCYANYWHERE IN A CIRCULAR AREA OF 1000 SQ. FT. (93 SQ. M)WHEN MOUNTED ON A 96-INCH- (2440-MM-) HIGH CEILING.3.DETECTION COVERAGE (CORRIDOR): DETECT OCCUPANCYWITHIN 90 FEET (27.4 M) WHEN MOUNTED ON A 10-FOOT- (3-M-)HIGH CEILING.C.ULTRASONIC TYPE: CEILING MOUNTING; DETECT OCCUPANCY BYSENSING A CHANGE IN PATTERN OF REFLECTED ULTRASONICENERGY IN AREA OF COVERAGE. SPECIFIC PRODUCT AS INDICATEDON DRAWINGS.1.DETECTOR SENSITIVITY: DETECT A PERSON OF AVERAGE SIZEAND WEIGHT MOVING NOT LESS THAN 12 INCHES (305 MM) INEITHER A HORIZONTAL OR A VERTICAL MANNER AT ANAPPROXIMATE SPEED OF 12 INCHES/S (305 MM/S).2.DETECTION COVERAGE (SMALL ROOM): DETECT OCCUPANCYANYWHERE WITHIN A CIRCULAR AREA OF 600 SQ. FT. (56SQ. M) WHEN MOUNTED ON A 96-INCH- (2440-MM-) HIGHCEILING.3.DETECTION COVERAGE (STANDARD ROOM): DETECTOCCUPANCY ANYWHERE WITHIN A CIRCULAR AREA OF 1000SQ. FT. (93 SQ. M) WHEN MOUNTED ON A 96-INCH- (2440-MM-)HIGH CEILING.4.DETECTION COVERAGE (LARGE ROOM): DETECT OCCUPANCYANYWHERE WITHIN A CIRCULAR AREA OF 2000 SQ. FT. (186SQ. M) WHEN MOUNTED ON A 96-INCH- (2440-MM-) HIGHCEILING.5.DETECTION COVERAGE (CORRIDOR): DETECT OCCUPANCYANYWHERE WITHIN 90 FEET (27.4 M) WHEN MOUNTED ON A10-FOOT- (3-M-) HIGH CEILING IN A CORRIDOR NOT WIDER THAN14 FEET (4.3 M).D.DUAL-TECHNOLOGY TYPE: CEILING MOUNTING; DETECT OCCUPANCYBY USING A COMBINATION OF PIR AND ULTRASONIC DETECTIONMETHODS IN AREA OF COVERAGE. PARTICULAR TECHNOLOGY ORCOMBINATION OF TECHNOLOGIES THAT CONTROLS ON-OFFFUNCTIONS SHALL BE SELECTABLE IN THE FIELD BY OPERATINGCONTROLS ON UNIT. SPECIFIC PRODUCT AS INDICATED ONDRAWINGS.1.SENSITIVITY ADJUSTMENT: SEPARATE FOR EACH SENSINGTECHNOLOGY.2.DETECTOR SENSITIVITY: DETECT OCCURRENCES OF 6-INCH-(150-MM-) MINIMUM MOVEMENT OF ANY PORTION OF A HUMANBODY THAT PRESENTS A TARGET OF NOT LESS THAN 36 SQ. IN.(232 SQ. CM), AND DETECT A PERSON OF AVERAGE SIZE ANDWEIGHT MOVING NOT LESS THAN 12 INCHES (305 MM) INEITHER A HORIZONTAL OR A VERTICAL MANNER AT ANAPPROXIMATE SPEED OF 12 INCHES/S (305 MM/S).3.DETECTION COVERAGE (STANDARD ROOM): DETECTOCCUPANCY ANYWHERE WITHIN A CIRCULAR AREA OF 1000SQ. FT. (93 SQ. M) WHEN MOUNTED ON A 96-INCH- (2440-MM-)HIGH CEILING.2.5EMERGENCY TRANSFER DEVICEA.EMERGENCY TRANSFER DEVICE -SPECIFIC PRODUCT AS INDICATEDON DRAWINGS.1.THE EMERGENCY TRANSFER DEVICE SHALL PROVIDE ALLREQUIRED FUNCTIONALITY TO ALLOW ANY STANDARD LIGHTINGCONTROL DEVICE TO CONTROL EMERGENCY LIGHTING INCONJUNCTION WITH NORMAL LIGHTING IN ANY AREA WITHIN ABUILDING.2.THE EMERGENCY LIGHTING CONTROL UNIT SHALL ALLOWCONTROL OF EMERGENCY LIGHTING FIXTURES IN TANDEM WITHNORMAL LIGHTING IN AN AREA WHILE ENSURING THATEMERGENCY LIGHTING WILL TURN ON IMMEDIATELY TO FULLBRIGHTNESS UPON LOSS OF NORMAL POWER SUPPLYING THECONTROL DEVICE. EMERGENCY LIGHTING OPERATION SHALLBE INDEPENDENT FOR EACH CONTROLLED AREA AND SHALLNOT REQUIRE A GENERALIZED POWER FAILURE FOR PROPEROPERATION.3.THE UNIT SHALL AUTOMATICALLY SWITCH EMERGENCYLIGHTING ON AND OFF AS NORMAL LIGHTING IS SWITCHED.WHEN NORMAL POWER IS NOT AVAILABLE, THE UNIT SHALLFORCE AND HOLD EMERGENCY LIGHTING ON REGARDLESS OFTHE STATE OF ANY EXTERNAL CONTROL DEVICE UNTIL NORMALPOWER IS RESTORED.4.THE UNIT SHALL BE UL924 AND CUL LISTED AND LABELED FORCONNECTION TO BOTH NORMAL AND NORMAL/EMERGENCYLIGHTING POWER SOURCES.2.7EXECUTION2.6SENSOR INSTALLATIONA.INSTALL AND AIM SENSORS IN LOCATIONS TO ACHIEVE NOT LESSTHAN 90 PERCENT COVERAGE OF AREAS INDICATED. DO NOTEXCEED COVERAGE LIMITS SPECIFIED IN MANUFACTURER'S WRITTENINSTRUCTIONS.B.SENSOR LOCATIONS SHOWN ON THE DRAWINGS ARE TO DENOTEROOMS THAT SHALL HAVE SENSOR CONTROL. PROVIDE SENSORSIN LOCATIONS AND QUANTITY AS REQUIRED BY THE MANUFACTURERFOR PROPER COVERAGE AND OPERATION OF SPACE.C.PROVIDE ALL RELATED PARTS AND ACCESSORIES FOR A COMPLETEAND OPERATIONAL SYSTEM.D.CEILING MOUNTED OCCUPANCY SENSORS AND DAYLIGHT SENSORSSHALL BE INSTALLED CENTERED IN CEILING TILES.E.UNLESS NOTED OTHERWISE WALL MOUNTED SWITCHES SHALL BEINSTALLED ON THE LATCH SIDE OF THE DOOR.F.INSTALL DAYLIGHTING SENSORS AS INDICATED TO CONTROL LAMPSAS DETAILED ON CONTRACT DOCUMENTS. LOCATE IN CEILING TONOT INTERFERE OPERATION BY OTHER OBJECTS AND AS REQUIREDBY MANUFACTURER TO DETECT NATURAL LIGHT LEVELS. SETSENSITIVITY LEVELS FOR CONTROL AS RECOMMENDED BYMANUFACTURER.2.7FIELD QUALITY CONTROLA.ALL OCCUPANCY SENSORS AND DAYLIGHT SENSORS SHALL BECOMMISSIONED. DUAL TECHNOLOGY SENSORS SHALL BE SET TO“TURN ON” WHEN BOTH TECHNOLOGIES SENSE MOTION ANDMAINTAIN “ON” WITH EITHER TECHNOLOGY. SET SENSOR TOMID-RANGE SENSITIVITY WITH A 15 MINUTE DELAY TIME TO OFF. SETLIGHT LEVEL FUNCTION FOR DAYLIGHT SENSORS BETWEEN 11AMAND 1PM DURING A DAY OF MODERATE CLOUD COVER WHEREILLUMINATION AT THE DESK IS AT LEAST 40 FOOTCANDLES WITH THELUMINAIRES OFF.2.8ADJUSTINGA.OCCUPANCY ADJUSTMENTS: WHEN REQUESTED WITHIN 12 MONTHSOF DATE OF SUBSTANTIAL COMPLETION, PROVIDE ON-SITEASSISTANCE IN ADJUSTING SENSORS TO SUIT OCCUPIEDCONDITIONS. PROVIDE UP TO TWO VISITS TO PROJECT DURINGOTHER-THAN-NORMAL OCCUPANCY HOURS FOR THIS PURPOSE.2.9DEMONSTRATIONA.ENGAGE A FACTORY-AUTHORIZED SERVICE REPRESENTATIVE TOTRAIN OWNER'S MAINTENANCE PERSONNEL TO ADJUST, OPERATE,AND MAINTAIN LIGHTING CONTROL DEVICES. REFER TO DIVISION 01SECTION 017900 "DEMONSTRATION AND TRAINING."SECTION 262213 - LOW-VOLTAGE DISTRIBUTION TRANSFORMERSPART 1 - GENERAL1.1SUBMITTALSA.PRODUCT DATA: FOR EACH TYPE OF PRODUCT.1.INCLUDE CONSTRUCTION DETAILS, MATERIAL DESCRIPTIONS,DIMENSIONS OF INDIVIDUAL COMPONENTS AND PROFILES, ANDFINISHES FOR EACH TYPE AND SIZE OF TRANSFORMER.2.INCLUDE RATED NAMEPLATE DATA, CAPACITIES, WEIGHTS,DIMENSIONS, MINIMUM CLEARANCES, INSTALLED DEVICES ANDFEATURES, AND PERFORMANCE FOR EACH TYPE AND SIZE OFTRANSFORMER.PART 2 - PRODUCTS2.1GENERAL TRANSFORMER REQUIREMENTSA.DESCRIPTION: FACTORY-ASSEMBLED AND -TESTED, AIR-COOLEDUNITS FOR 60-HZ SERVICE.B.COMPLY WITH NFPA 70.1.ELECTRICAL COMPONENTS, DEVICES, AND ACCESSORIES:LISTED AND LABELED AS DEFINED IN NFPA 70, BY A QUALIFIEDTESTING AGENCY, AND MARKED FOR INTENDED LOCATION ANDUSE.C.TRANSFORMERS RATED 15 KVA AND LARGER:1.COMPLY WITH 10 CFR 431 (DOE 2016) EFFICIENCY LEVELS.2.MARKED AS COMPLIANT WITH DOE 2016 EFFICIENCY LEVELS BYAN NRTL.2.2DISTRIBUTION TRANSFORMERSA.COMPLY WITH NFPA 70, AND LIST AND LABEL AS COMPLYING WITHUL 1561.B.CORES: ELECTRICAL GRADE, NON-AGING SILICON STEEL WITH HIGHPERMEABILITY AND LOW HYSTERESIS LOSSES.1.ONE LEG PER PHASE.2.CORE VOLUME SHALL ALLOW EFFICIENT TRANSFORMEROPERATION AT 10 PERCENT ABOVE THE NOMINAL TAPVOLTAGE.3.GROUNDED TO ENCLOSURE.C.COILS: CONTINUOUS WINDINGS WITHOUT SPLICES EXCEPT FOR TAPS.1.COIL MATERIAL: COPPER.2.INTERNAL COIL CONNECTIONS: BRAZED OR PRESSURE TYPE.D.ENCAPSULATION: TRANSFORMERS SMALLER THAN 30 KVA SHALLHAVE CORE AND COILS COMPLETELY RESIN ENCAPSULATED.E.ENCLOSURE: VENTILATED.1.NEMA 250, TYPE 2 TYPE 3R: CORE AND COIL SHALL BEENCAPSULATED WITHIN RESIN COMPOUND USING AVACUUM-PRESSURE IMPREGNATION PROCESS TO SEAL OUTMOISTURE AND AIR.2.KVA RATINGS: BASED ON CONVECTION COOLING ONLY ANDNOT RELYING ON AUXILIARY FANS.3.WIRING COMPARTMENT: SIZED FOR CONDUIT ENTRY ANDWIRING INSTALLATION.4.FINISH: COMPLY WITH NEMA 250.a.FINISH COLOR: GRAY, ANSI 49 OR GRAY ANSI 61 GRAYWEATHER-RESISTANT ENAMEL.F.TAPS FOR TRANSFORMERS 3 KVA AND SMALLER: NONE.G.TAPS FOR TRANSFORMERS 7.5 TO 24 KVA: ONE 5 PERCENT TAPABOVE AND ONE 5 PERCENT TAP BELOW NORMAL FULL CAPACITY.H.TAPS FOR TRANSFORMERS 25 KVA AND LARGER: TWO 2.5 PERCENTTAPS ABOVE AND FOUR 2.5 PERCENT TAPS BELOW NORMAL FULLCAPACITY.I.INSULATION CLASS, SMALLER THAN 30 KVA: 180 DEG C,UL-COMPONENT-RECOGNIZED INSULATION SYSTEM WITH A MAXIMUMOF 115 DEG C RISE ABOVE 40 DEG C AMBIENT TEMPERATURE.J.INSULATION CLASS, 30 KVA AND LARGER: 220 DEG C,UL-COMPONENT-RECOGNIZED INSULATION SYSTEM WITH A MAXIMUMOF 150 DEG C RISE ABOVE 40 DEG C AMBIENT TEMPERATURE.K.GROUNDING: PROVIDE GROUND-BAR KIT OR A GROUND BARINSTALLED ON THE INSIDE OF THE TRANSFORMER ENCLOSURE.L.ELECTROSTATIC SHIELDING: EACH WINDING SHALL HAVE ANINDEPENDENT, SINGLE, FULL-WIDTH COPPER ELECTROSTATIC SHIELDARRANGED TO MINIMIZE INTERWINDING CAPACITANCE.1.ARRANGE COIL LEADS AND TERMINAL STRIPS TO MINIMIZECAPACITIVE COUPLING BETWEEN INPUT AND OUTPUTTERMINALS.2.INCLUDE SPECIAL TERMINAL FOR GROUNDING THE SHIELD.M.WALL BRACKETS: WALL BRACKETS FABRICATED FROM DESIGNDRAWINGS SIGNED AND SEALED BY A LICENSED STRUCTURALENGINEER.PART 3 - EXECUTION3.1EXAMINATIONA.EXAMINE CONDITIONS FOR COMPLIANCE WITH ENCLOSURE- ANDAMBIENT-TEMPERATURE REQUIREMENTS FOR EACH TRANSFORMER.B.VERIFY THAT FIELD MEASUREMENTS ARE AS NEEDED TO MAINTAINWORKING CLEARANCES REQUIRED BY NFPA 70 ANDMANUFACTURER'S WRITTEN INSTRUCTIONS.C.ENVIRONMENT: ENCLOSURES SHALL BE RATED FOR THEENVIRONMENT IN WHICH THEY ARE LOCATED. COVERS FORNEMA 250, TYPE 4X ENCLOSURES SHALL NOT CAUSE ACCESSIBILITYPROBLEMS.3.2INSTALLATIONA.INSTALL WALL-MOUNTED TRANSFORMERS LEVEL AND PLUMB WITHWALL BRACKETS FABRICATED FROM DESIGN DRAWINGS SIGNEDAND SEALED BY A LICENSED STRUCTURAL ENGINEER.1.COORDINATE INSTALLATION OF WALL-MOUNTED ANDSTRUCTURE-HANGING SUPPORTS WITH ACTUAL TRANSFORMERPROVIDED.2.BRACE WALL-MOUNTED TRANSFORMERS AS SPECIFIED INSECTION 260548.16 "SEISMIC CONTROLS FOR ELECTRICALSYSTEMS."B.INSTALL TRANSFORMERS LEVEL AND PLUMB ON A CONCRETE BASEWITH VIBRATION-DAMPENING SUPPORTS. LOCATE TRANSFORMERSAWAY FROM CORNERS AND NOT PARALLEL TO ADJACENT WALLSURFACE.C.CONSTRUCT CONCRETE BASES AND ANCHOR FLOOR-MOUNTEDTRANSFORMERS ACCORDING TO MANUFACTURER'S WRITTENINSTRUCTIONS, AND SEISMIC CODES APPLICABLE TO PROJECT.1.COORDINATE SIZE AND LOCATION OF CONCRETE BASES WITHACTUAL TRANSFORMER PROVIDED. CAST ANCHOR-BOLTINSERTS INTO BASES. CONCRETE, REINFORCEMENT, ANDFORMWORK REQUIREMENTS ARE SPECIFIED WITH CONCRETE.3.3CONNECTIONSA.GROUND EQUIPMENT ACCORDING TO SECTION 260526 "GROUNDINGAND BONDING FOR ELECTRICAL SYSTEMS."B.CONNECT WIRING ACCORDING TO SECTION 260519 "LOW-VOLTAGEELECTRICAL POWER CONDUCTORS AND CABLES."C.TIGHTEN ELECTRICAL CONNECTORS AND TERMINALS ACCORDING TOMANUFACTURER'S PUBLISHED TORQUE-TIGHTENING VALUES. IFMANUFACTURER'S TORQUE VALUES ARE NOT INDICATED, USE THOSESPECIFIED IN UL 486A-486B.D.PROVIDE FLEXIBLE CONNECTIONS AT ALL CONDUIT AND CONDUCTORTERMINATIONS AND SUPPORTS TO ELIMINATE SOUND ANDVIBRATION TRANSMISSION TO THE BUILDING STRUCTURE.3.4CLEANINGA.VACUUM DIRT AND DEBRIS; DO NOT USE COMPRESSED AIR TOASSIST IN CLEANING.SECTION 262416 - PANELBOARDSPART 1 - GENERAL1.1SUBMITTALSA.PRODUCT DATA: FOR EACH TYPE OF PANELBOARD.1.INCLUDE MATERIALS, SWITCHING AND OVERCURRENTPROTECTIVE DEVICES, SPDS, ACCESSORIES, ANDCOMPONENTS INDICATED.2.INCLUDE DIMENSIONS AND MANUFACTURERS' TECHNICAL DATAON FEATURES, PERFORMANCE, ELECTRICAL CHARACTERISTICS,RATINGS, AND FINISHES.3.PANELBOARD SCHEDULES: FOR INSTALLATION INPANELBOARDS. SUBMIT FINAL VERSIONS AFTER LOADBALANCING.1.2MAINTENANCE MATERIAL SUBMITTALSA.FURNISH EXTRA MATERIALS THAT MATCH PRODUCTS INSTALLED ANDTHAT ARE PACKAGED WITH PROTECTIVE COVERING FOR STORAGEAND IDENTIFIED WITH LABELS DESCRIBING CONTENTS.1.KEYS: TWO SPARES FOR EACH TYPE OF PANELBOARD CABINETLOCK.2.CIRCUIT BREAKERS INCLUDING GFCI AND GFEP TYPES: TWOSPARES FOR EACH PANELBOARD.3.FUSES FOR FUSED SWITCHES: EQUAL TO 10 PERCENT OFQUANTITY INSTALLED FOR EACH SIZE AND TYPE, BUT NOFEWER THAN THREE OF EACH SIZE AND TYPE.4.FUSES FOR FUSED POWER-CIRCUIT DEVICES: EQUAL TO 10PERCENT OF QUANTITY INSTALLED FOR EACH SIZE AND TYPE,BUT NO FEWER THAN THREE OF EACH SIZE AND TYPE.PART 2 - PRODUCTS2.1PANELBOARDS COMMON REQUIREMENTSA.ENCLOSURES: FLUSH AND SURFACE-MOUNTED, DEAD-FRONTCABINETS.1.RATED FOR ENVIRONMENTAL CONDITIONS AT INSTALLEDLOCATION.a.INDOOR DRY AND CLEAN LOCATIONS: NEMA 250, TYPE 1.b.OUTDOOR LOCATIONS: NEMA 250, TYPE 3R.c.KITCHEN WASH-DOWN AREAS: NEMA 250, TYPE 4X,STAINLESS STEEL.d.OTHER WET OR DAMP INDOOR LOCATIONS: NEMA 250,TYPE 4.e.INDOOR LOCATIONS SUBJECT TO DUST, FALLING DIRT, ANDDRIPPING NONCORROSIVE LIQUIDS: NEMA 250, TYPE 5 ORTYPE 12.2.HEIGHT: 84 INCHES MAXIMUM.3.FRONT: SECURED TO BOX WITH CONCEALED TRIM CLAMPS. FORSURFACE-MOUNTED FRONTS, MATCH BOX DIMENSIONS; FORFLUSH-MOUNTED FRONTS, OVERLAP BOX. TRIMS SHALL COVERALL LIVE PARTS AND SHALL HAVE NO EXPOSED HARDWARE.4.HINGED FRONT COVER: ENTIRE FRONT TRIM HINGED TO BOXAND WITH STANDARD DOOR WITHIN HINGED TRIM COVER.TRIMS SHALL COVER ALL LIVE PARTS AND SHALL HAVE NOEXPOSED HARDWARE.5.SKIRT FOR SURFACE-MOUNTED PANELBOARDS: SAME GAGEAND FINISH AS PANELBOARD FRONT WITH FLANGES FORATTACHMENT TO PANELBOARD, WALL, AND CEILING OR FLOOR.B.INCOMING MAINS SHALL BE CONVERTIBLE BETWEEN TOP ANDBOTTOM. MAIN LUG INTERIORS UP TO 400 AMPERES SHALL BE FIELDCONVERTIBLE TO MAIN BREAKER.C.PHASE, NEUTRAL, AND GROUND BUSES:1.MATERIAL: HARD-DRAWN COPPER, 98 PERCENT CONDUCTIVITY.PLATING SHALL RUN ENTIRE LENGTH OF BUS. BUS SHALL BEFULLY RATED THE ENTIRE LENGTH.2.INTERIORS SHALL BE FACTORY ASSEMBLED INTO A UNIT.REPLACING SWITCHING AND PROTECTIVE DEVICES SHALL NOTDISTURB ADJACENT UNITS OR REQUIRE REMOVING THE MAINBUS CONNECTORS.3.EQUIPMENT GROUND BUS: ADEQUATE FOR FEEDER ANDBRANCH-CIRCUIT EQUIPMENT GROUNDING CONDUCTORS;BONDED TO BOX.D.CONDUCTOR CONNECTORS: SUITABLE FOR USE WITH CONDUCTORMATERIAL AND SIZES.1.MATERIAL: HARD-DRAWN COPPER, 98 PERCENT CONDUCTIVITY.2.TERMINATIONS SHALL ALLOW USE OF 75 DEG C RATEDCONDUCTORS WITHOUT DERATING.3.SIZE: LUGS SUITABLE FOR INDICATED CONDUCTOR SIZES, WITHADDITIONAL GUTTER SPACE, IF REQUIRED, FOR LARGERCONDUCTORS.4.MAIN AND NEUTRAL LUGS: MECHANICAL TYPE, WITH A LUG ONTHE NEUTRAL BAR FOR EACH POLE IN THE PANELBOARD.5.GROUND LUGS AND BUS-CONFIGURED TERMINATORS:MECHANICAL TYPE, WITH A LUG ON THE BAR FOR EACH POLE INTHE PANELBOARD.6.FEED-THROUGH LUGS: MECHANICAL TYPE, SUITABLE FOR USEWITH CONDUCTOR MATERIAL. LOCATE AT OPPOSITE END OFBUS FROM INCOMING LUGS OR MAIN DEVICE.7.SUBFEED (DOUBLE) LUGS: MECHANICAL TYPE SUITABLE FORUSE WITH CONDUCTOR MATERIAL. LOCATE AT SAME END OFBUS AS INCOMING LUGS OR MAIN DEVICE.8.GUTTER-TAP LUGS: MECHANICAL TYPE SUITABLE FOR USEWITH CONDUCTOR MATERIAL AND WITH MATCHING INSULATINGCOVERS. LOCATE AT SAME END OF BUS AS INCOMING LUGSOR MAIN DEVICE.E.FUTURE DEVICES: PANELBOARDS SHALL HAVE MOUNTINGBRACKETS, BUS CONNECTIONS, FILLER PLATES, AND NECESSARYAPPURTENANCES REQUIRED FOR FUTURE INSTALLATION OF DEVICES.F.PANELBOARD SHORT-CIRCUIT CURRENT RATING: FULLY RATED TOINTERRUPT SYMMETRICAL SHORT-CIRCUIT CURRENT AVAILABLE ATTERMINALS. ASSEMBLY LISTED BY AN NRTL FOR 100 PERCENTINTERRUPTING CAPACITY.G.SURGE SUPPRESSION: FACTORY INSTALLED AS AN INTEGRAL PARTOF INDICATED PANELBOARDS, COMPLYING WITH UL 1449 SPD TYPE 1.2.2DISTRIBUTION PANELBOARDS. POWER PANELBOARDS, AS SPECIFIEDIN THIS ARTICLE, FALL UNDER REQUIREMENTS OF "DISTRIBUTIONPANELBOARDS" IN NEMA PB 1.A.MANUFACTURERS: SUBJECT TO COMPLIANCE WITH REQUIREMENTS,PROVIDE PRODUCTS BY ONE OF THE FOLLOWING: EATON, SIEMENS,SQUARE D, OR GE.B.PANELBOARDS: NEMA PB 1, DISTRIBUTION TYPE.C.DOORS: SECURED WITH VAULT-TYPE LATCH WITH TUMBLER LOCK;KEYED ALIKE.D.MAINS: CIRCUIT BREAKER OR LUGS ONLY. REFER TO SINGLE LINEDRAWING.E.BRANCH OVERCURRENT PROTECTIVE DEVICES: BOLT-ON CIRCUITBREAKERS.2.3LIGHTING AND APPLIANCE BRANCH-CIRCUIT PANELBOARDSPANELBOARDS, AS SPECIFIED IN THIS ARTICLE, COMPLY WITHREQUIREMENTS OF "LIGHTING AND APPLIANCE BRANCH-CIRCUITPANELBOARDS" IN NEMA PB 1.A.MANUFACTURERS: SUBJECT TO COMPLIANCE WITH REQUIREMENTS,PROVIDE PRODUCTS BY ONE OF THE FOLLOWING: EATON, SIEMENS,SQUARE D, OR GE.B.PANELBOARDS: NEMA PB 1, LIGHTING AND APPLIANCEBRANCH-CIRCUIT TYPE.C.MAINS: CIRCUIT BREAKER OR LUGS ONLY. REFER TO SINGLE LINEDRAWING.D.BRANCH OVERCURRENT PROTECTIVE DEVICES: BOLT-ON CIRCUITBREAKERS, REPLACEABLE WITHOUT DISTURBING ADJACENT UNITS.E.DOORS: DOOR-IN-DOOR CONSTRUCTION WITH CONCEALED HINGES;SECURED WITH MULTIPOINT LATCH WITH TUMBLER LOCK; KEYEDALIKE. OUTER DOOR SHALL PERMIT FULL ACCESS TO THE PANELINTERIOR. INNER DOOR SHALL PERMIT ACCESS TO BREAKEROPERATING HANDLES AND LABELING, BUT CURRENT CARRYINGTERMINALS AND BUS SHALL REMAIN CONCEALED.F.PANELS KNOWN AS LOADCENTERS ARE NOT ACCEPTABLE.2.4IDENTIFICATIONA.PANELBOARD LABEL: MANUFACTURER'S NAME AND TRADEMARK,VOLTAGE, AMPERAGE, NUMBER OF PHASES, AND NUMBER OF POLESSHALL BE LOCATED ON THE INTERIOR OF THE PANELBOARD DOOR.B.BREAKER LABELS: FACEPLATE SHALL LIST CURRENT RATING, UL ANDIEC CERTIFICATION STANDARDS, AND AIC RATING.C.CIRCUIT DIRECTORY: DIRECTORY CARD INSIDE PANELBOARD DOOR,MOUNTED IN METAL FRAME WITH TRANSPARENT PROTECTIVE COVER.1.CIRCUIT DIRECTORY SHALL IDENTIFY SPECIFIC PURPOSE WITHDETAIL SUFFICIENT TO DISTINGUISH IT FROM ALL OTHERCIRCUITS.PART 3 - EXECUTION123456781011121314151617BA91234567810111213141516179DrawnProject ManagerCheckedContract Drawing DateProject NumberQPNMLKJHGFEDCBA18191819QPNMLKJHGFEDCB202120212222TSRTSRRevit Template Versionv16: 2017.10.05This document is the product and property of Baxter Hodell Donnelly Preston, Inc. Neither the document nor the information itcontains may be copied or used for other than the specific project for which it was prepared without the written consent of BaxterHodell Donnelly Preston, Inc.
CINCINNATI
COLUMBUS
RALEIGH
PITTSBURGH
ATLANTA
LAWRENCE DIGENNARO, ARCHITECT
302 WEST THIRD STREET
SUITE 500
CINCINNATI, OHIO 45202
PHONE 513.271.1634HIG02.21THE HARTFORD GROUP - 3RD FLOOR RENOVATION
501 PENNSYLVANIA PKWY #400
INDIANAPOLIS, IN 46280
No.Issue/Revision/Submission Date
1 ISSUED FOR BID AND PERMIT 12/14/20182016.05.27E002ELECTRICAL SPECIFICATIONSJRHJRHDEB