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THE CONTRACTOR SHALL PROVIDE, WITH THE ASSISTANCE OF THE SWITCHGEAR MANUFACTURER, POWER SYSTEMS STUDIES CONSISTING OF A
<br />SHORT CIRCUIT STUDY, A COORDINATION STUDY, AND AN ARC FLASH STUDY - ALL PER LATEST PUBLISHED EDITIONS OF THE FOLLOWING
<br />STANDARDS: ANSI C37, IEEE 141, IEEE 242, IEEE 399 - BROWN BOOK, NFPA 70E AND IEEE STD 1584/1584a. ADDITIONALLY:
<br />DURING THE CONSTRUCTION PHASE OF THE PROJECT, ALL GROUND FAULT RELAYS SHALL BE SET AT THE LOWEST AVAILABLE TIME DELAY
<br />AND PICK-UP SETTINGS.
<br />h.
<br />g.
<br />e.
<br />THE STUDY SHALL INCLUDE ALL PORTIONS OF ELECTRICAL SINGLE LINE DIAGRAM TO INCLUDE UPSTREAM OR DOWNSTREAM ELEMENTS THAT
<br />MAY NOT BE SHOWN INCLUDING, BUT NOT LIMITED TO, UTILITY SOURCE CONTRIBUTION, RELEVANT PORTIONS OF THE EXISTING ELECTRICAL
<br />DISTRIBUTION SYSTEM WITHIN A BUILDING AND/OR CAMPUS ELECTRICAL DISTRIBUTION SYSTEMS AS DESCRIBED ABOVE.
<br />CONTRACTOR SHALL PERFORM STUDY USING SKM "SYSTEMS ANALYSIS POWER TOOLS FOR WINDOWS" COMPUTER SOFTWARE PROGRAM -
<br />LATEST AVAILABLE VERSION OR EQUAL BY ETAP.
<br />a.
<br />THE SHORT CIRCUIT STUDY SHALL INCLUDE CALCULATED SHORT-CIRCUIT MOMENTARY AND INTERRUPTING DUTIES FOR 3-PHASE BOLTED
<br />FAULTS AND LINE-TO-GROUND FAULTS THROUGHOUT THE SINGLE LINE TO INCLUDE UTILITY SERVICE SUPPLY, GENERATORS AND TRANSFER
<br />SWITCHES, SUBSTATIONS, SWITCHGEAR, PANEL BOARDS ETC. STUDY SHALL EVALUATE ALL ELECTRICAL DISTRIBUTION EQUIPMENT AND
<br />PROTECTIVE DEVICES AGAINST SHORT CIRCUIT CURRENT RATINGS. THIS STUDY EFFORT SHALL EXTEND TO SCCR RATINGS OF EQUIPMENT,
<br />EQUIPMENT CONTROL PANELS, VARIABLE FREQUENCY DRIVES ETC PROVIDED BY OTHER TRADES THAT ARE CONNECTED TO THE ELECTRICAL
<br />SYSTEM. NOTE ANY EXISTING CIRCUIT PROTECTIVE DEVICE(S)/ELECTRICAL DISTRIBUTION THAT IS INADEQUATELY RATED TO WITHSTAND
<br />CALCULATED FAULT VALUES OR WHERE EQUIPMENT SCCR IS EXCEEDED. WHERE THE UTILITY COMPANY PROVIDES MULTIPLE FAULT CURRENT
<br />VALUES REFLECTING INITIAL TRANSFORMER CAPACITY AND WORST CASE TRANSFORMER CAPACITY, THE CONTRACTOR SHALL PROVIDE
<br />SHORT CIRCUIT ANALYSIS PRIMARILY BASED ON WORST CASE TRANSFORMER CAPACITY. ALL SERVICE EQUIPMENT SHALL BE LABELED WITH
<br />THE MAXIMUM AVAILABLE FAULT CURRENT AND FAULT CURRENT CALCULATION DATE PER NEC (OR CEC WHERE ADOPTED) 110.24. SEE
<br />LABELING SPECIFICATION FOR ADDITIONAL REQUIREMENTS.
<br />CONTRACTOR SHALL FURNISH/OBTAIN ALL DATA REQUIRED FOR POWER SYSTEMS STUDIES. DATA COLLECTION EFFORT SHALL BE
<br />PERFORMED IN AN EXPEDITIOUS MANNER AND AS SOON AS POSSIBLE AFTER CONTRACT AWARD TO ENSURE STUDY COMPLETION FOR
<br />SUBMISSION AS PART OF THE ELECTRICAL DISTRIBUTION EQUIPMENT SHOP DRAWINGS AND SUBMITTALS. DATA COLLECTION EFFORTS MAY
<br />INCLUDE, BUT ARE NOT LIMITED TO, CALCULATED UTILITY COMPANY FAULT VALUES, SERVICE TRANSFORMER PRIMARY PROTECTIVE DEVICE
<br />AND APPLIED VOLTAGE, ELECTRICAL CHARACTERISTICS AND FAULT CONTRIBUTION FROM EXISTING MOTORS/GENERATORS, EXISTING
<br />CONDUCTOR QUANTITIES, SIZE AND LENGTHS, EXISTING/ NEW OVERCURRENT PROTECTIVE DEVICE SPECIFICATIONS AND PART NUMBERS,
<br />TRANSFER SWITCH CHARACTERISTICS AND SHORT CIRCUIT CURRENT RATINGS IN ADDITION TO ANY OTHER DATA REQUIRED TO PERFORM
<br />COMPREHENSIVE POWER SYSTEM STUDIES. RANGES OF FAULT CURRENT VALUES OR GENERIC FAULT CURRENT VALUES PROVIDED BY THE
<br />UTILITY COMPANY ARE UNACCEPTABLE AS ARE ANY FAULT CURRENT VALUES SHOWN ON THE SINGLE LINE DIAGRAM OR FEEDER SCHEDULE.
<br />b.
<br />c.
<br />THE COORDINATION STUDY SHALL INCLUDE TIME-CURRENT CURVES (TCC) FOR OVER CURRENT PROTECTIVE DEVICES (OCPDs) ALONG WITH
<br />TRANSFORMER FULL-LOAD CURRENT, INRUSH CURRENT, AND THROUGH-FAULT PROTECTION CURVES, CONDUCTOR DAMAGE CURVES,
<br />GROUND FAULT PROTECTIVE DEVICE CURVES, MOTOR STARTING CURVE(S)/DAMAGE POINT(S), GENERATOR SHORT-CIRCUIT CURVE(S)
<br />/DAMAGE POINT(S) ETC. - CLEARLY IDENTIFIED AND PLOTTED ON LOG-LOG SCALE GRAPH(S). TCC GRAPH(S) SHALL INCLUDE A ONE-LINE
<br />DIAGRAM IDENTIFYING THE SPECIFIC PORTION COVERED BY THE GRAPH. DEMONSTRATE THAT ADEQUATE CLEARING TIME/SELECTIVE
<br />OPERATION EXISTS BETWEEN PROTECTIVE DEVICES WHILE PROVIDING PROPER SYSTEM PROTECTION & COORDINATION. STUDY SHALL
<br />INCLUDE ALL MAIN AND FEEDER OCPDs INCLUDING SECONDARY SIDE OF EACH TRANSFORMER DOWN TO BREAKERS IN PANEL BOARDS AND
<br />INDIVIDUAL BREAKERS IN DISTRIBUTION BOARDS. IN ALL CASES, SOLID STATE AND/OR ADJUSTABLE OCPDs SHALL BE ANALYZED WITH
<br />UPSTREAM AND DOWNSTREAM OCPDs AS REQUIRED TO ESTABLISH PROPER COORDINATION SETTINGS. SPECIAL EMPHASIS SHALL BE PLACED
<br />ON ANALYZING PORTIONS OF THE ELECTRICAL SYSTEM REQUIRING SELECTIVE COORDINATION WHICH INCLUDE, BUT ARE NOT LIMITED TO, NEC
<br />(OR CEC WHERE ADOPTED) ARTICLES 517, 620, 700, 701 & 708; ALONG WITH ANY ARTICLE 702 OPTIONAL STANDBY SYSTEMS SERVING SERVER
<br />ROOMS/DATA CENTERS OR OTHER AREAS REQUIRING HIGH AVAILABILITY/PROPER COORDINATION SUCH AS MANUFACTURING, CLEAN ROOM
<br />OR LAB FACILITIES. CONTRACTOR SHALL BE RESPONSIBLE TO RECOMMEND SETTINGS OF ALL DEVICES, TO INCLUDE GROUND FAULT
<br />SETTINGS, TO ACHIEVE SYSTEM COORDINATION. THE CONTRACTOR SHALL FIELD ADJUST NEW AND EXISTING DEVICES ACCORDINGLY
<br />UTILIZING A QUALIFIED MANUFACTURER'S REPRESENTATIVE OR A THIRD-PARTY ELECTRICAL TESTING AGENCY.
<br />d.
<br />j.
<br />CONTRACTOR IS SOLELY RESPONSIBLE FOR OBTAINING UTILITY DATA FROM THE UTILITY COMPANY - INCLUDE ALL COSTS IN BASE BID FOR
<br />ANY UTILITY COMPANY FEES FOR PROVIDING NECESSARY DATA. WHERE THE PROJECT IS LOCATED ON A CAMPUS WITH AN
<br />OWNER-FURNISHED ELECTRICAL DISTRIBUTION SYSTEM, CONTRACTOR SHALL BE RESPONSIBLE TO OBTAIN SUFFICIENT ELECTRICAL SYSTEM
<br />DATA TO DEMONSTRATE COORDINATION OF THE PROJECT'S ELECTRICAL SYSTEM WITH CAMPUS DISTRIBUTION SYSTEM. THIS DATA MAY BE
<br />AVAILABLE IN THE FORM OF AN OWNER-PROVIDED CAMPUS POWER SYSTEM STUDY. WHERE SUCH STUDIES ARE NOT AVAILABLE, THE
<br />CONTRACTOR SHALL INCLUDE ALL COSTS IN BASE BID TO PERFORM NECESSARY FIELD INVESTIGATION OF CAMPUS DISTRIBUTION SYSTEM
<br />INCLUDING CAMPUS SERVICE ENTRANCE AND SERVING UTILITY DATA AS REQUIRED TO DEMONSTRATE COORDINATION OF THE PROJECT'S
<br />ELECTRICAL SYSTEM WITH CAMPUS DISTRIBUTION SYSTEM. INCLUDE ALL COSTS FOR RECOMMENDING ADJUSTMENTS TO EXISTING CAMPUS
<br />DISTRIBUTION SYSTEM SETTINGS DISCOVERED TO BE INCORRECT. OWNER SHALL BE RESPONSIBLE TO UNDERTAKE ANY PHYSICAL
<br />ADJUSTMENTS TO EXISTING MEDIUM OR HIGH VOLTAGE DISTRIBUTION EQUIPMENT WITH THE EXCEPTION OF FUSES, RELAYS OR OTHER
<br />CIRCUIT PROTECTIVE DEVICES LOCATED IN EXISTING DISTRIBUTION EQUIPMENT THAT ARE DEDICATED TO SERVE ONLY THIS PROJECT'S
<br />ELECTRICAL SYSTEM.
<br />THE ARC FLASH ANALYSIS SHALL BE BASED ON THE INCIDENT ENERGY ANALYSIS METHOD (NFPA 70E 130.5). THE ARC FLASH ANALYSIS SHALL
<br />DETERMINE THE FLASH BOUNDARY, THE WORKING DISTANCE, THE INCIDENT ENERGY AND MINIMUM ARC RATING OF CLOTHING(CAL/CM²) AT
<br />LOCATIONS IN THE ELECTRICAL SYSTEM WHERE WORK CAN OR MIGHT BE PERFORMED ON ENERGIZED COMPONENTS WHERE MULTIPLE
<br />SYSTEM CONFIGURATION SCENARIOS ARE POSSIBLE, THE CONFIGURATION WITH GREATEST INCIDENT ENERGY MUST BE SHOWN.
<br />DECREMENT FAULT CONTRIBUTIONS FROM MOTOR(S) AND GENERATOR(S) BASED ON INDUSTRY STANDARDS. THE CONTRACTOR SHALL MAKE
<br />RECOMMENDATIONS WITH REGARD TO SYSTEM ADJUSTMENTS OR OTHER MITIGATION MEASURES TO OPTIMIZE THE RESULTS OF THE STUDY
<br />AS IT RELATES TO SAFE AND RELIABLE ELECTRICAL SYSTEM OPERATION (E.G. OVERCURRENT DEVICE SETTINGS, WORKING DISTANCES,
<br />CURRENT LIMITING DEVICES). THIS INCLUDES MITIGATION, WHERE POSSIBLE, OF INCIDENT ENERGY LEVELS THAT EXCEED 40 CAL/CM².
<br />PERFORM ITERATIVE CALCULATIONS TO DEMONSTRATE EFFECTS OF OPENING PROTECTIVE DEVICES UTILIZING A VARIETY OF DIFFERENT
<br />SETTINGS TO BEST MITIGATE ARC FLASH ENERGY WHILE MAINTAINING AN ACCEPTABLE LEVEL OF SYSTEM COORDINATION. WHERE SUCH
<br />RECOMMENDATIONS COMPROMISE SELECTIVE COORDINATION SETTINGS, SO STATE IN THE ANALYSIS.
<br />POWER SYSTEMS STUDIES SHALL BE SUBMITTED AS PART OF THE OVERALL SWITCHGEAR SUBMITTAL. THE RESULTS OF THE POWER SYSTEMS
<br />STUDY SHALL BE PRESENTED IN A COMPREHENSIVE REPORT THAT INCLUDES:
<br />-REPORT SUMMARY WITH ANALYSIS METHODOLOGY, FINDINGS AND RECOMMENDATIONS
<br />SUMMARY OF INPUT DATA FOR UTILITY SOURCE, EQUIPMENT AND CABLES
<br />AVAILABLE FAULT CURRENT AT EACH EQUIPMENT LOCATION WITH COMPARISON TO EQUIPMENT RATING
<br />OVERCURRENT DEVICE SETTINGS (E.G. PICK-UP, TIME DELAY, CURVE), “AS FOUND” AND “AS RECOMMENDED”
<br />INCIDENT ENERGY LEVEL (CAL/CM²) FOR EACH EQUIPMENT LOCATION, RECOMMENDED PPE AND SAMPLE ARC FLASH WARNING LABELS
<br />OVERCURRENT DEVICE COORDINATION CURVES INCLUDING RELATED SECTION OF THE SINGLE-LINE DIAGRAM
<br />COMPLETE SYSTEM SINGLE-LINE DIAGRAM FOR THE SYSTEM ANALYZED
<br />A DVD OR CD CONTAINING ELECTRONIC PROJECT FILES USED TO DEVELOP THE STUDY TO INCLUDE SKM OR ETAP PROJECT AND
<br />REFERENCE LIBRARY FILES. ALL FILES SHALL BE AVAILABLE FOR REVIEW AND/OR FUTURE MODIFICATION WITHOUT LIMITATION. LOCKING
<br />OR SECURING FILES BY OTHER MEANS IS NOT ACCEPTABLE. FAILURE TO SUBMIT COMPLETE STUDIES AND FULLY ACCESSIBLE FILES
<br />SHALL RESULT IN THE REJECTION OF THE ENTIRE SWITCHGEAR SUBMITTAL.
<br />-
<br />-
<br />-
<br />-
<br />-
<br />-
<br />-
<br />BASED ON THE RESULTS OF THE ARC FLASH ANALYSIS, THE CONTRACTOR SHALL PRODUCE AND INSTALL A WARNING LABEL (ORANGE <40
<br />CAL/CM2) OR DANGER LABEL (RED > 40 CAL/CM2) FOR EACH PIECE OF EQUIPMENT PER NEC (OR CEC WHERE ADOPTED) 110.16 AND IN
<br />ACCORDANCE WITH ANSI Z535.4-2007 OR LATEST PUBLISHED EDITION. THE LABEL MUST BE READABLE IN BOTH INDOOR AND OUTDOOR
<br />ENVIRONMENTS FOR AT LEAST 3 YEARS AND CONTAIN THE FOLLOWING INFORMATION: NOMINAL SYSTEM VOLTAGE, ARC HAZARD BOUNDARY
<br />(INCHES), WORKING DISTANCE (INCHES), AVAILABLE ARC FLASH INCIDENT ENERGY AT THE WORKING DISTANCE (CAL/CM²), MINIMUM ARC
<br />RATING OF CLOTHING, EQUIPMENT/BUS NAME, DATE PREPARED, SUPPLIER'S NAME AND ADDRESS. PROVIDE LABEL AS MANUFACTURED BY
<br />BRADY OR EQUAL. PRIOR TO PLACING ARC FLASH LABELS, CONTRACTOR SHALL SET ALL PROTECTIVE DEVICE SETTINGS PER THE APPROVED
<br />COORDINATION STUDY.
<br />f.
<br />TRANSFORMER SCHEDULE
<br />TRANSFORMER INSTALLATION REQUIREMENTS:
<br />TRANSFORMERS SHALL BE EQUIPPED WITH TWO (2) 2 1/2% FCAN AND TWO (2) 2 1/2% FCBN TAPS. TAP
<br />LEADS SHALL BE TERMINATED ON AN INTERNAL BLOCK WITH LUGS FOR CONNECTION OF INCOMING
<br />CONDUCTORS. THE TERMINAL COMPARTMENT SHALL BE LOCATED BELOW THE LEVEL OF THE
<br />TRANSFORMER WINDINGS. PROVIDE ACCESS TO TERMINALS FROM THE FRONT FOR WALL AND FLOOR
<br />MOUNTED TRANSFORMERS, AND FROM THE FRONT AND BOTTOM FOR SUSPENDED TRANSFORMERS.
<br />TRANSFORMERS SHALL BE DRY TYPE, INTEGRAL, SELF-COOLED, ENCLOSED DISTRIBUTION,
<br />TWO-WINDING TYPE PER UL 506. TRANSFORMERS SHALL BE PROVIDED WITH WINDINGS AS SPECIFIED
<br />IN THE TRANSFORMER SCHEDULE. EACH TRANSFORMER MUST UNDERGO RESISTANCE, IMPEDANCE
<br />AND RATIO TESTING, THE RESULTS OF WHICH SHALL BE PROVIDED AS PART OF THE TRANSFORMER
<br />SUBMITTAL PACKAGE.
<br />TRANSFORMER SYSTEM SPECIFICATIONS:
<br />2.
<br />1.
<br />THE "GEC/BJ SIZE" COLUMN INDICATES THE MINIMUM CONDUIT AND COPPER GROUNDING ELECTRODE
<br />CONDUCTOR AND BONDING JUMPER SIZES. THE G.E.C. AND CONDUIT SIZE SHALL BE INCREASED PER
<br />NEC OR CEC WHERE ADOPTED, TABLE 250.66 BY THE CONTRACTOR BASED ON EQUIVALENT SIZE OF
<br />THE TRANSFORMER SECONDARY CONDUCTORS.
<br />- 50 DECIBELS.
<br />- 45 DECIBELS.
<br />- 55 DECIBELS.
<br />- 60 DECIBELS.
<br />WHEN THE TRANSFORMER SCHEDULE INDICATES A "REDUCED SOUND LEVEL" TRANSFORMER,
<br />PROVIDE A TRANSFORMER THAT PRODUCES 3 DECIBELS LESS SOUND AS COMPARED TO NEMA
<br />STANDARD SOUND LEVELS. WHEN REDUCED SOUND LEVEL TRANSFORMER IS NOT INDICATED,
<br />PROVIDE A TRANSFORMER THAT MEETS NEMA STANDARD SOUND LEVELS, WHICH ARE:
<br />TRANSFORMERS SHALL BE GROUNDED TO A CODE APPROVED GROUND SOURCE PER NEC, OR CEC
<br />WHERE ADOPTED, ARTICLE 250.30.
<br />THE "DIMENSIONS" COLUMN INDICATES "H" HEIGHT, "W" WIDTH, AND "D" DEPTH. ALL DIMENSIONS AND
<br />WEIGHTS ARE BASED UPON SQUARE D PRODUCTS. CONTRACTOR SHALL BE RESPONSIBLE FOR ALL
<br />COST IMPACTS OF LARGER DIMENSIONS FROM AN ALTERNATE MANUFACTURER.
<br />SHOP DRAWINGS SHALL BE SUBMITTED PER THE ELECTRICAL SUBMITTAL REQUIREMENTS SHOWING
<br />CONFORMANCE TO THESE SPECIFICATIONS.
<br />IF THE SINGLE LINE DIAGRAM INDICATES TWO (2) SECONDARY FEEDERS THE TRANSFORMER SHALL BE
<br />PROVIDED WITH A DOUBLE LUG KIT.
<br />THE "NEMA/MNTG" COLUMN INDICATES THE NEMA RATED ENCLOSURE TYPE AS WELL AS THE
<br />MOUNTING METHOD:
<br />16.
<br />17.
<br />18.
<br />15.
<br />51-150 KVA
<br />10-50 KVA
<br />151-300 KVA
<br />301-500 KVA
<br />14.
<br />13.
<br />VENTILATION OPENINGS SHALL BE LOCATED TO PERMIT PLACING THE TRANSFORMER IN A CORNER
<br />WITHIN 6" OF THE TWO ADJACENT WALLS. ENCLOSURE SHALL BE CONSTRUCTED OF HEAVY GAUGE
<br />STEEL, COATED INSIDE AND OUT WITH ZINC CHROMATE OR IRON OXIDE RUST INHIBITING PRIMER.
<br />ENCLOSURE SHALL THEN BE FINISHED IN GRAY ENAMEL. EACH TRANSFORMER SHALL BE FURNISHED
<br />WITH A MANUFACTURER'S NAMEPLATE LOCATED ON THE FRONT OF THE UNIT. THE NAMEPLATE SHALL
<br />BE ANODIZED ALUMINUM STENCILED WITH VOLTAGE, KVA RATING, K-RATING, PHASE, TAP
<br />ADJUSTMENTS AND WIRING DIAGRAMS.
<br />THE "A.I.C. VALUE" COLUMN INDICATES THE INTERRUPTING CURRENT AT THE SECONDARY TERMINALS
<br />BASED UPON AN INTERRUPTING CURRENT OF INFINITY AT THE PRIMARY TERMINALS.
<br />THE "MIN. %Z" COLUMN INDICATES THE MINIMUM ALLOWED TRANSFORMER IMPEDANCE.
<br />TRANSFORMERS SHALL BE MANUFACTURED BY GE, CUTLER-HAMMER, SIEMENS, SQUARE D, MGM,
<br />HAMMOND POWER SOLUTIONS, OR OLSEN.
<br />USE FLEXIBLE CONDUIT FOR PRIMARY AND SECONDARY CONNECTIONS WITH A SEPARATE EQUIPMENT
<br />GROUND CONDUCTOR.
<br />STANDARD TRANSFORMERS SHALL HAVE CLASS 220 INSULATION, HAVING A 150 DEGREE CELSIUS
<br />TEMPERATURE RISE ABOVE 30 DEGREE CELSIUS AVERAGE AND 40 DEGREE CELSIUS MAXIMUM, WHEN
<br />OPERATING AT FULL LOAD - WITHOUT A LOSS OF LIFE. STANDARD TRANSFORMERS SHALL COMPLY
<br />WITH NEMA ENERGY EFFICIENCY STANDARD "TP-1". WHERE TRANSFORMER STOCKS BECOME
<br />DEPELETED, INCLUDE ALL COSTS IN BASE BID TO PROVIDE 2016 DEPARTMENT OF ENERGY (DOE)
<br />TRANSFORMER EFFICIENCY STANDARD-COMPLIANT TRANSFORMERS.
<br />K RATED TRANSFORMERS SHALL HAVE CLASS 220 INSULATION, HAVING A 115 DEGREE CELSIUS
<br />TEMPERATURE RISE ABOVE 30 DEGREE CELSIUS AVERAGE AND 40 DEGREE CELSIUS MAXIMUM, WHEN
<br />OPERATING AT FULL LOAD - WITHOUT A LOSS OF LIFE. K RATED TRANSFORMERS SHALL COMPLY WITH
<br />NEMA ENERGY EFFICIENCY STANDARD "TP-1". WHERE TRANSFORMER STOCKS BECOME DEPLETED,
<br />INCLUDE ALL COSTS IN BASE BID TO PROVIDE 2016 DEPARTMENT OF ENERGY (DOE) TRANSFORMER
<br />EFFICIENCY STANDARD-COMPLIANT TRANSFORMERS.
<br />THE "K VALUE" COLUMN INDICATES THE MINIMUM UL APPROVED K RATING. K RATED TRANSFORMERS
<br />SHALL BE PROVIDED WITH DOUBLE SIZE NEUTRAL TERMINALS, ADDITIONAL COIL CAPACITY, AN
<br />ELECTROSTATIC SHIELD, AND SHALL BE U.L. LISTED FOR NON-LINEAR LOADS.
<br />11.
<br />12.
<br />9.
<br />10.
<br />6.
<br />8.
<br />7.
<br />5.
<br />4.
<br />3.
<br />THE CONTRACTOR SHALL BE RESPONSIBLE FOR THE FURNISHING OF ALL MATERIAL, LABOR, EQUIPMENT, AND SERVICES,
<br />IN CONNECTION WITH THE INSTALLATION OF A COMPLETE AND FULLY FUNCTIONING AND CODE COMPLIANT
<br />INSTALLATION.
<br />2.
<br />3.
<br />1.
<br />4.
<br />IT IS THE INTENT OF THE CONTRACT DOCUMENTS, WHICH ARE PRESENTED IN A DIAGRAMMATIC FORMAT, TO PROVIDE
<br />CONTRACTOR INFORMATION THAT SUPPLEMENTS AND ENHANCES THE GENERALLY ACCEPTED CONSTRUCTION MEANS,
<br />METHODS, TECHNIQUES, SEQUENCES AND PROCEDURES EMPLOYED IN CONNECTION WITH INSTALLATION OF THIS TYPE
<br />OF PRODUCT / SYSTEM.
<br />THE CONTRACTOR SHALL ALSO INCORPORATE THE REQUIREMENTS OF THE MANUFACTURER'S INSTALLATION
<br />INSTRUCTIONS / WARRANTY REQUIREMENTS AS PART OF THE REQUIREMENTS OF THE CONSTRUCTION DOCUMENTS. IN
<br />THE EVENT OF A CONFLICT BETWEEN THE CONTRACT DOCUMENT REQUIREMENTS AND THE MANUFACTURERS
<br />INSTALLATION REQUIREMENTS, THE MORE STRINGENT REQUIREMENTS SHALL APPLY - UNLESS THE MORE STRINGENT
<br />REQUIREMENT VOIDS APPLICABLE WARRANTIES OR VIOLATES THE REQUIREMENTS OF THE LOCAL AUTHORITY HAVING
<br />JURISDICTION. ANY SUCH CONFLICT SHALL IMMEDIATELY BE BROUGHT TO THE ATTENTION OF THE ENGINEER IN WRITING
<br />THROUGH THE FORMAL RFI PROCESS.
<br />REFER TO THE ASSOCIATED SCHEDULES, SCHEMATICS, DRAWINGS, AND SPECIFICATIONS FOR DETAILED INFORMATION /
<br />REQUIREMENTS ON THIS PRODUCT / SYSTEM.
<br />INDICATES AN INDOOR TYPE.
<br />INDICATES AN NEMA 3R, OUTDOOR TYPE WITH VENTILATED OPENINGS AND RODENT/TAMPER
<br />SCREENS.
<br />INDICATES RAISED FLOOR MOUNTING WHICH REQUIRES A CUSTOM MOUNTING FRAME
<br />SUCH THAT THE RAISED FLOOR DOES NOT SUPPORT THE TRANSFORMER(S).
<br />SUGGESTED SOURCE: MASON WEST INC. (www.masonwest.com)
<br />INDICATES FLOOR MOUNTED.
<br />INDICATES WALL MOUNTED.
<br />"RF" -
<br />"W" -
<br />"F" -
<br />"3" -
<br />"1" -
<br />SIZE
<br />GEC/BJ
<br />W
<br />NAME KVA
<br />V P
<br />INPUT
<br />%Z
<br />MINOUTPUT
<br />V WP VAL.
<br />A.I.C.
<br />VALUE
<br />K DIMENSIONSNEMA/REDUCED
<br />LEVEL HMNTG.DW
<br />REMARKSWGT.SOUNDWINDING
<br />MATERIAL
<br />SEISMICALLY-RATED VIBRATION ISOLATORS (KORFUND COMPANY, MASON INDUSTRIES, CALDYN OR
<br />EQUAL) SHALL BE LOCATED AT EACH CORNER OF THE TRANSFORMER. ELASTOMER PADS MAY BE
<br />USED FOR ISOLATION OF TRANSFORMERS 1) WEIGHTING LESS THAN 1000 LBS AND 2) THAT ARE NOT
<br />SPECIFIED WITH REDUCED SOUND LEVELS PER THE TRANSFORMER SCHEDULE. ELASTOMER PADS
<br />SHALL BE EQUIPPED WITH SHOULDERED BUSHINGS PREVENTING METAL-TO-METAL CONTACT
<br />BETWEEN ANCHOR BOLT AND THE TRANSFORMER. NEOPRENE ISOLATORS SHALL BE USED FOR
<br />TRANSFORMERS WEIGHING 1000 LBS OR MORE OR ANY TRANSFORMER SPECIFIED WITH REDUCED
<br />SOUND LEVEL OUTPUT PER THE TRANSFORMER SCHEDULE. NEOPRENE ISOLATORS SHALL HAVE
<br />CAPTIVE STEEL OR DUCTILE IRON HOUSINGS AS REQUIRED BY SEISMIC CONDITIONS AND WEIGHT OF
<br />THE TRANSFORMER. NEOPRENE ELEMENTS SHALL BE ARRANGED IN OPPOSITION TO PROVIDE
<br />POSITIVE MECHANICAL RESTRAINT IN ALL DIRECTIONS. NEOPRENE ISOLATORS SHALL BE SELECTED
<br />TO PROVIDE NOMINAL 0.2" OF NOMINAL STATIC DEFLECTION IN COMPRESSION (0.15" MINIMUM
<br />DEFLECTION) AND LESS THAN 70 DUROMETER (BASED ON SHORE SCALE A AND IN COMPLIANCE WITH
<br />ASTM D2240 TYPE A) TO LIMIT SOUND/VIBRATION TRANSMISSION TO THE STRUCTURE - SUBMIT
<br />ISOLATOR DEFLECTION CALCULATIONS FOR SELECTED ISOLATORS WITH TRANSFORMER SUBMITTAL.
<br />TRANSFORMER SHALL BE BOLTED, VIA VIBRATION ISOLATORS, TO THE FLOOR, HOUSEKEEPING PAD,
<br />CEILING OR WALL MOUNTING BRACKETS AT ALL FOUR CORNERS. WHEN SHOWN AS WALL-MOUNTED,
<br />PROVIDE EITHER MANUFACTURER'S STANDARD TRANSFORMER WALL MOUNTING BRACKETS OR
<br />FIELD-FABRICATED MOUNTING SYSTEMS. TRANSFORMER INSTALLATIONS SHALL, AT MINIMUM, MEET
<br />THE SEISMIC BRACING AND ANCHORAGE REQUIREMENTS MANDATED BY GOVERNING BUILDING
<br />CODES. SEE GENERAL ELECTRICAL SPECIFICATIONS FOR ADDITIONAL REQUIREMENTS.
<br />POWER SYSTEMS STUDY SPECIFICATIONS:
<br />DATA GATHERING SHALL BE CONDUCTED IN A SAFE MANNER WITH 1) EQUIPMENT COMPLETELY DE-ENGERIZED IN COORDINATION WITH THE
<br />OWNER DURING A SCHEDULED POWER SHUTDOWN OR 2) UTILIZING A LICENSED ELECTRICIAN WEARING APPROPRIATE PERSONNEL
<br />PROTECTIVE EQUIPMENT PER NFPA 70E STANDARDS.
<br />INCLUDE INCIDENT ENERGY/FLASH PROTECTION BOUNDARY CALCULATIONS FOR BOTH LINE/LOAD SIDE OF ALL SEPARATELY ENCLOSED MAIN
<br />CIRCUIT BREAKERS. ALL CALCULATIONS SHALL BE BASED ON ACTUAL OVERCURRENT DEVICE CLEARING TIMES.
<br />GROUNDING ELECTRODE & CONDUCTOR - ALTERNATE:
<br />WHERE GROUNDED STRUCTURAL MEMBER OR EFFECTIVELY
<br />GROUNDED WATER PIPE IS UNAVAILABLE ON THE PREMISES,
<br />PROVIDE 1 # CU. IN CONDUIT TO A CONCRETE-ENCASED
<br />ELECTRODE WITH MIN OF 20 FT IN LENGTH OF MIN. #4 BARE
<br />ENCASED IN MIN. 2" OF CONCRETE ALL AROUND, OR A GROUND
<br />RING IN DIRECT CONTACT WITH EARTH AT A DEPTH NOT LESS
<br />THAN 2-1/2 FT. WITH 20 FT. LENGTH MIN. OF #2 BARE COPPER,
<br />WHICHEVER IS AVAILABLE, PER ART. 250.52(A) (3) & (4).
<br />10' COPPER GROUND ELECTRODE(S) WITH
<br />EXOTHERMIC CONNECTION(S) TO GROUND
<br />CONDUCTOR. PROVIDE FIBER GLASS INSPECTION
<br />WELL(S). QUANTITY AS REQUIRED TO ACHIEVE
<br />CODE-REQUIRED RESISTANCE VALUES.
<br />NEUTRAL BUS WITHIN EQUIPMENT.
<br />WHEN SEPARATELY DERIVED SYSTEM IS A UPS,
<br />CPC, PDU OR TRANSFORMER LOCATED IN
<br />INFORMATION TECHNOLOGY ROOM, AS DEFINED
<br />BY NEC (OR CEC WHERE ADOPTED) ART. 645,
<br />SERVER ROOM, DATA CENTER, OR COMPUTER
<br />ROOM, PROVIDE 1#2 INSULATED GREEN
<br />CONDUCTOR, 3/4"C. AND MECHANICALLY
<br />CONNECT TO MAIN TELECOMMUNICATIONS
<br />GROUNDING BUS AND, WHEN LOCATED ON A TILE
<br />ACCESS FLOOR, TO UNDER FLOOR SIGNAL
<br />REFERENCE OR GROUNDING GRID AS REQUIRED.
<br />PROVIDE CONNECTION OF GROUNDING
<br />CONDUCTORS/BONDING JUMPERS PER ART.250.8.
<br />GROUNDING ELECTRODE & CONDUCTOR:
<br />IF AVAILABLE ON THE PREMISES AT EACH BUILDING AND/OR
<br />STRUCTURE SERVED, PROVIDE 1 # CU. IN CONDUIT TO AN
<br />EFFECTIVELY GROUNDED STRUCTURAL STEEL OR EFFECTIVELY
<br />GROUNDED UNDERGROUND METAL WATER PIPE (MIN.10FT
<br />LONG) WITHIN 5 FT. FROM POINT OF ENTRANCE TO THE
<br />BUILDING AND/OR STRUCTURE TO THE SEPARATELY DERIVED
<br />SYSTEM PER ART. 250.30(A)(4).
<br />BONDING JUMPER(S):
<br />PROVIDE BONDING WITH 1 # CU. IN CONDUIT TO NEAREST METAL
<br />WATER PIPE (HOT, COLD, SPRINKLER, SEWER, BUILDING MOUNTED -
<br />INTERIOR OR EXTERIOR, ETC), UNINTENTIONALLY UNGROUNDED
<br />BUILDING STEEL, GAS PIPE, HVAC DUCTS IN THE BUILDING PER ART.
<br />250.104 (A), (B), & (C)
<br />GROUNDING ELECTRODE CONDUCTOR/BONDING
<br />JUMPER SHALL BE SIZED AS FOLLOWS:
<br />SEE RESPECTIVE SYSTEM/DEVICE SCHEDULE
<br />FOR G.E.C. SIZE.
<br />SUPPLY SIDE BONDING JUMPER (SSBJ):
<br />SSBJ CONDUCTOR SIZED PER ART. 250-66 (OR
<br />LARGER PER ART. 250.30A(2)) TO BE INCLUDED IN
<br />FEEDER TO NEXT DEVICE - SEE FEEDER
<br />SCHEDULE. SSBJ SHALL BE CONNECTED TO THE
<br />GROUNDING SYSTEM AT THE FIRST
<br />DISCONNECTING MEANS.
<br />SYSTEM BONDING JUMPER:
<br />COPPER CONDUCTOR/BUSSING SIZED PER TABLE 250.66 (OR
<br />LARGER PER ART. 250.28(D)(1)) TO THE METAL FRAME OF THE
<br />SEPARATELY DERIVED SYSTEM.
<br />A SCALE: NTS
<br />SEPARATELY DERIVED SYSTEM (SDS) GROUNDING DETAIL
<br />(OCPD NOT A PART OF SDS)
<br />CONTRACTOR IS SOLELY RESPONSIBLE FOR OBTAINING EQUIPMENT SCCR RATING FROM ALL OTHER PROJECT TRADES AND FOR ANY
<br />OWNER-FURNISHED OR TENANT-FURNISHED EQUIPMENT CONNECTED TO THE ELECTRICAL SYSTEM IN ORDER TO VALIDATE AVAILABLE FAULT
<br />CURRENT AT THE EQUIPMENT CONNECTIONS IS LESS THAN THE RESPECTIVE EQUIPMENT SCCR.
<br />i.AS A PART OF A CLOSEOUT SUBMITTAL TO BE SUBMITTED TO THE ENGINEER PRIOR TO FINAL PROJECT CONSTRUCTION OBSERVATIONS,
<br />CONTRACTOR SHALL PROVIDE PHOTOS OF ALL ADJUSTABLE CIRCUIT BREAKERS DEPICTING THEIR FINAL SETTINGS BASED ON THE POWER
<br />SYSTEMS STUDY. SUBMITTAL SHALL BE ORGANIZED WITH OCPD IDENTIFICATION, OCPD PHOTO IMAGE AND RESPECTIVE POWER SYSTEM
<br />STUDY OCPD SETTING REQUIREMENTS TO ALLOW EFFICIENT CONFIRMATION OF RECORD SETTINGS. PLEASE NOTE THAT IMAGES MAY NEED
<br />TO BE TAKEN PRIOR TO INSTALLATION OF EQUIPMENT COVERS/EQUIPMENT ENERGIZATION SINCE OCPD SETTINGS MAY BE OBSTRUCTED BY
<br />EQUIPMENT COVERS.
<br />GROUNDING ELECTRODE & CONDUCTOR - ALTERNATE #2:
<br />WHERE NO EFFECTIVE GROUNDING ELECTRODE IS AVAILABLE PER ART.
<br />250.30(A)(4) OR ART. 250.52(A)(3) OR (4), PROVIDE 1 # CU. IN CONDUIT TO
<br />OTHER LOCAL METAL UNDERGROUND PIPING SYSTEMS AND TANKS, OR
<br />ROD AND PIPE ELECTRODES, MIN. OF 10 FT. IN LENGTH, WHICH SHALL BE
<br />INSTALLED PER ART. 250.52(A)(5)(a) & (b), OR PLATE ELECTRODES,
<br />WHICHEVER IS AVAILABLE, PER ART 250.52 (A)(5), (A)(6), (A)(7), & (A)(8).
<br />TD1 75 ALUMINUM 480 3 3 120/208 3 4 2.6 8,010 N/A 1/2"C, #2 N/A 3R/F 43 35 27 710 -
<br />FINISHED FLOOR
<br />B SCALE: NTS
<br />FEEDER TO REMOTE BUILDING / STRUCTURE GROUNDING DETAIL
<br />TELECOMMUNICATION GROUND:
<br />1 # cu., IN CONDUIT TO TELECOMMUNICATIONS
<br />ROOM BACKBOARDS AND GROUNDING BUS BARS. IF
<br />PROVIDED IN PROJECT DRAWINGS, SEE TELECOM
<br />PATHWAYS AND GROUNDING RISER FOR ADDITIONAL
<br />REQUIREMENTS.
<br />GROUNDING ELECTRODE CONDUCTOR:
<br />1 # cu., GROUNDING ELECTRODE CONDUCTOR PER ART. 250.32(E).
<br />EXTENDED FROM SWITCHBOARD GROUND BUS WITH CODE-SIZED EMT,
<br />IMC, OR RIGID CONDUIT AS CONDITIONS DICTATE. TERMINATE FEEDER
<br />EQUIPMENT GROUNDING CONDUCTOR AT THE SWITCHBOARD GROUND
<br />BUS AS WELL - SEE SINGLE LINE.
<br />1 # cu. IN CONDUIT TO EFFECTIVELY
<br />GROUNDED METAL FRAME OF THE BLDG. PER
<br />ART. 250.52(A)(2).
<br />(1) MINIMUM 20 FT. LENGTH OF #4 MINIMUM/
<br />1# BARE COPPER ENCASED IN MINIMUM 2"
<br />OF CONCRETE ALL AROUND PER ART.
<br />250.52(A)(3).GROUNDING ELECTRODE & CONDUCTOR - ALTERNATE:
<br />1 #6 cu., 1/2"C. TO ELECTRODE PER ART. 250.52(A)(4), (A)(5), (A)(6), (A)(7) &
<br />250.53 WHERE NONE OF THE ELECTRODES IN ART. 250.52 (A)(1), (A)(2) &
<br />(A)(3) ARE AVAILABLE.
<br />PROVIDE CONNECTION OF GROUNDING CONDUCTORS/ BONDING JUMPERS PER
<br />ART.250.8 (TYPICAL) USING 2-HOLE CONNECTORS.
<br />TELEPHONE/CATV UTILITY GROUND:
<br />1 # cu. IN CONDUIT TO UTILITY CO.
<br />TELEPHONE/CATV BACKBOARD.
<br />TO GROUND BUS LOCATED WITHIN EACH BUILDING SWITCHBOARD, DISTRIBUTION
<br />BOARD, PANEL BOARD AND/OR FEEDER DISCONNECT FEEDING THE REMOTE
<br />BUILDING OR STRUCTURE.
<br />BONDING JUMPER(S):
<br />PROVIDE BONDING WITH 1 # cu., IN CONDUIT TO NEAREST METAL, WATER PIPE
<br />(HOT, COLD, SPRINKLER, SEWER, BUILDING MOUNTED - INTERIOR OR EXTERIOR ETC),
<br />UNINTENTIONALLY UNGROUNDED BUILDING STEEL, GAS PIPE, HVAC DUCTS IN THE
<br />BUILDING PER ART. 250.104 (A), (B), & (C).
<br />THIS DETAIL APPLIES TO BUILDINGS OR STRUCTURES SUPPLIED BY FEEDERS OR BRANCH CIRCUITS GOVERNED BY ART. 250.32 AND SPECIFICALLY BY ART.
<br />250.32(B)(1) WHERE THE GROUNDED CONDUCTOR IS NOT CONNECTED TO THE GEC IN THE SUPPLIED BUILDING DUE TO THE POSSIBILITY OF PARALLEL CIRCUIT
<br />PATHS FOR NEUTRAL CURRENT. WHERE THE STUCTURE OR BUILDING SUPPLIED IS EXISTING, CONTRACTOR SHALL MAKE EVERY EFFORT TO
<br />EXTEND/RECONNECT EXISTING GROUNDING ELECTRODE(S)/SYSTEM.
<br />MOUNT TO WALL USING STAND-OFF INSULATORS
<br />AND BRACKETS. TYPICAL.
<br />2,000A
<br />0-200A
<br />201-400A
<br />OVER 401A
<br />2,500A
<br />4,000A
<br />3,000A
<br />SERVICE SIZE
<br />SERVICE SIZE
<br />0-1,000A
<br />1,600A
<br />1,200A
<br />#400KCMIL, 1-1/4"C
<br />#4, 3/4"C
<br />#3/0, 3/4"C
<br />#1/0, 3/4"C
<br />G.E.C. SIZE
<br />#500KCMIL, 1-1/4"C
<br />#700KCMIL, 1-1/2"C
<br />#600KCMIL, 1-1/2"C
<br />B.J. SIZE
<br />#300KCMIL, 1"C
<br />#3/0, 3/4"C
<br />#4/0, 1"C
<br />BONDING JUMPER (B.J.) SHALL BE
<br />SIZED AS FOLLOWS:
<br />GROUNDING ELECTRODE CONDUCTOR
<br />SHALL BE SIZED AS FOLLOWS:
<br />TELECOMMUNICATIONS GROUND
<br />CONDUCTOR. MINIMUM SIZE SHALL BE BASED
<br />ON DISTANCE BETWEEN
<br />TELECOMMUNICATIONS ROOM AND SYSTEM
<br />GROUNDING BUS BAR AS FOLLOWS:
<br />LESS THAN 13'
<br />14'-41'
<br />42'-66'
<br />67'-105'
<br />106'-175'
<br />176'+
<br />#6, 3/4"C
<br />#1, 3/4"C
<br />#2/0, 3/4"C
<br />#4/0, 1"C
<br />#300 KCMIL, 1-1/4"C
<br />#500 KCMIL, 1-1/2"C
<br />PROVIDE AT LEAST (3) SPARE DRILLED CONNECTION POINTS.
<br />PROVIDE PERMANENT TAG TO IDENTIFY EACH CONDUCTOR.
<br />1/4"x3"x LENGTH AS REQUIRED. COPPER GROUND BUS OUTSIDE
<br />SWITCHBOARD, DRILLED AND TAPPED AS REQUIRED. PROVIDE PHENOLIC
<br />LABEL INDICATING "MAIN ELECTRICAL SERVICE GROUND". SEE
<br />ELECTRICAL SPECIFICATIONS FOR MORE INFORMATION.
<br />1 # cu., 1"C. INTERCONNECT TO ALL OTHER
<br />ELECTRICAL FEEDERS. PER ART. 250.58.
<br />GROUNDING ELECTRODE & CONDUCTOR:
<br />1 # cu., 3/4"C. TO METAL UNDERGROUND WATER
<br />PIPE (MINIMUM OF 10FT LONG) PER ART. 250.52(A)(1)
<br />WITH A CONNECTION MADE WITHIN 5 FT. OF POINT OF
<br />ENTRANCE INTO THE BUILDING PER ART. 250.68(C)(1).
<br />tk1sc project number: B2305501.000
<br />drawn by:checked by:
<br />drawing no.:
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<br />consultant
<br />agency
<br />owner
<br />date:
<br />drawing title:
<br />description:date:Rev:
<br />tBP project number :
<br />architect
<br />THIS DRAWING AND THE DESIGNS, DEPICTIONS, IDEAS AND OTHER INFORMATION
<br />CONTAINED HEREIN CONSTITUTE UNPUBLISHED WORK OF tBP/ARCHITECTURE AND
<br />SHALL REMAIN THE PROPERTY OF tBP/ARCHITECTURE IN PERPETUITY. NO PART
<br />THEREOF SHALL BE REPRODUCED, DISCLOSED, DISTRIBUTED, SOLD, PUBLISHED OR
<br />OTHERWISE USED IN ANY WAY WITHOUT THE ADVANCED EXPRESS WRITTEN CONSENT
<br />OF tBP/ARCHITECTURE.
<br />ph: 714.667.2700
<br />SANTA ANA, CA 92701
<br />20 CIVIC CENTER PLAZA
<br />SANTA ANA PLANNING AND BUILDING AGENCY
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<br />21125.00
<br />09/06/2023
<br />11870 Pierce Street, Suite 160
<br />Riverside, California 92505
<br />951.299.4160 www.tk1sc.com
<br />Project Leader - Bill Voller
<br />tk1sc Job #: B2305501.000
<br />Electrical Lead - Marie Rothenberger
<br />City Submittal 09/06/23-
<br />TRANSFORMER
<br />INFORMATION +
<br />GROUNDING DETAILS
<br />E2-2
<br />21159.00
<br />1202 W Edinger
<br />Ave10/3/2024
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