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Home My WebLink AboutIMPALA REDEVELOPMENT - FDP230001 - SUBMITTAL DOCUMENTS - ROUND 3 - SUPPORTING DOCUMENTATION (2)M M M M M M M M M M M M UTILITY XFMR 208/120V, 3PH, 4W 300KVA T HA MLO 200A EVA MCB 400A LCX MCB 150A 150/2 150/2 150/2 150/2 400/3 150/2 150/2 150/2 150/2 150/2 150/2 200/3 METERSTACK 'MS-A' 1200A, 120/208V, 3PH, 4W, 65KAIC200NG400NG G N #3/0 DWELLING UNIT LOAD CENTER (TYPICAL FOR 10 UNITS) HOUSE PANEL EVSE PANEL 600A 3P 150SNG1200N x X1 x X2 x X3 x X4 x X5 x X6 SERVICE DISCONNECT #1 SERVICE DISCONNECT #2 & #3 FEEDER SCHEDULE -ALUMINUM FEEDER TAG SETS NEUTRAL SIZE GROUND SIZE CONDUIT (3W+G) CONDUIT (4W+G) 20 1 #12 Cu #12 Cu #12 Cu 3/4"3/4" 30 1 #8 #8 #8 3/4" 3/4" 40 1 #6 #6 #8 1" 1" 50 1 #4 #4 #8 1-1/4" 1-1/4" 60 1 #3 #3 #8 1-1/4" 1-1/2" 70 1 #2 #2 #6 1-1/2" 1-1/2" 80 1 #1 #1 #6 1-1/2" 2" 90 1 #1/0 #1/0 #6 2" 2" 100 1 #1/0 #1/0 #6 2" 2" 125 1 #2/0 #2/0 #4 2" 2" 150 1 #3/0 #3/0 #4 2" 2-1/2" 175 1 #4/0 #4/0 #4 2-1/2" 2-1/2" 200 1 250 kcmil 250 kcmil #4 2-1/2" 3" 225 1 300 kcmil 300 kcmil #2 3" 3" 250 1 350 kcmil 350 kcmil #2 3" 3" 275 1 500 kcmil 500 kcmil #2 3" 3-1/2" 300 1 500 kcmil 500 kcmil #2 3" 3-1/2" 350 2 #4/0 #4/0 #1 2-1/2" 2-1/2" 400 2 250 kcmil 250 kcmil #1 2-1/2" 3" 500 2 350 kcmil 350 kcmil #1/0 3" 3" 600 2 500 kcmil 500 kcmil #2/0 3" 3-1/2" 800 3 400 kcmil 400 kcmil #3/0 3" 3-1/2" 1000 4 350 kcmil 350 kcmil #4/0 3" 3" 1200 4 500 kcmil 500 kcmil 250 kcmil 3" 3-1/2" 1400 5 500 kcmil 500 kcmil 350 kcmil 3" 3-1/2" 1600 6 400 kcmil 400 kcmil 350 kcmil 3" 3-1/2" 2000 7 500 kcmil 500 kcmil 400 kcmil 3-1/2" 3-1/2" 3000 10 500 kcmil 500 kcmil 600 kcmil 4" 4" 4000 13 500 kcmil 500 kcmil 750 kcmil 4" 4" NOTES: PHASE SIZE A. FEEDER TAG WITH SUBSCRIPT "G" INDICATES (3) PHASE CONDUCTORS AND (1) EQUIPMENT GROUND CONDUCTOR. B. FEEDER TAG WITH SUBSCRIPT "NG" INDICATES (3) PHASE CONDUCTORS, (1) NEUTRAL CONDUCTOR AND (1) EQUIPMENT GROUND CONDUCTOR. C. FEEDER TAG WITH SUBSCRIPT "NNG" INDICATES (3) PHASE CONDUCTORS, (2) NEUTRAL CONDUCTORS AND (1) EQUIPMENT GROUND CONDUCTOR. D. FEEDER TAG WITH SUBSCRIPT "N" INDICATES (3) PHASE CONDUCTORS AND (1) NEUTRAL CONDUCTOR. E. FEEDER TAG WITH SUBSCRIPT "SG" INDICATES (2) PHASE CONDUCTORS AND (1) EQUIPMENT GROUND CONDUCTOR. F. FEEDER TAG WITH SUBSCRIPT "SNG" INDICATES (2) PHASE CONDUCTORS, (1) NEUTRAL CONDUCTOR AND (1) EQUIPMENT GROUND CONDUCTOR. A. ALL ELECTRICAL EQUIPMENT SHOWN IS NEW, UNLESS OTHERWISE NOTED. B. METER MOUNTING HEIGHTS SHALL BE NO LOWER THAN 24" FROM FINAL GRADE AND NO HIGHER THAN 78" FROM GRADE TO THE CENTER OF THE HIGHEST METERS. REFER TO FORT COLLINS UTILITIES ELECTRIC SERVICE STANDARDS FOR MORE INFORMATION. C. REFER TO FEEDER SCHEDULE FOR FEEDER SIZE REQUIREMENTS BASED ON DESIGNATION. D. REFER TO PANEL SCHEDULES FOR ADDITIONAL EQUIPMENT INFORMATION. E. REFER TO SHORT CIRCUIT SCHEDULE FOR CALCULATIONS OF AVAILABLE FAULT CURRENT AT ELECTRICAL EQUIPMENT. F. PROVIDE GROUNDING ELECTRODE SYSTEM AS REQUIRED PER NEC 250. INCLUDING METAL UNDERGROUND WATER PIPE, METAL FRAME OF BUILDING, CONCRETE ENCASED ELECTRODE AND ROD AND PIPE ELECTRODES. GROUNDING ELECTRODE CONDUCTOR SIZE AS NOTED ON ONE-LINE. G. PROVIDE TYPE 1 OR 2 SPD INTEGRAL TO MAIN SWITCHGEAR EQUIPMENT OR AT DWELLING UNIT LOAD CENTERS. SHEET NOTES 1999 BROADWAY SUITE 2205 DENVER, CO 80202 | USA (T) 720 644 5044 www.mazzetti.com Project Number: 3575 Ringsby Ct, Ste 300A STUDIO ARCHITECTURE Denver, CO 80216 theSTUDIOarchitecture.com 866.529.9130 COPYRIGHTPLOT DATE:C STUDIO Project No: Sheet Issue & Revision Log It is the client's responsibility prior to or during construction to notify the architect in writing of any perceived errors or omissions in the plans and specifications of which a contractor thoroughly knowledgeable with the building codes and methods of construction should reasonably be aware. Written instructions addressing such perceived errors or omissions shall be received from the architect prior to the client or client's subcontractors proceeding with the work. The client shall be responsible for any defects in construction if these procedures are not followed. No Date Description FOR REFERENCE ONLY DRAWN BY:REVIEWED BY:BUILDING A004-600611 3/22/2023 9:33:27 AME500 SINGLE LINE DIAGRAM & LOAD CALCS - BLDG-A 21-017.00306 & 400 IMPALA DRIVEFORT COLLINS, COAuthor CheckerIMPALAREDEVELOPMENT NTSE500 1 SINGLE LINE DIAGRAM - BLDG-A 2 12/16/22 100% DD 8 03/22/23 FDP RD 3 9 03/22/23 100% CD SYSTEM VOLTAGE: 208 /1PH 131 A TOTAL: 27,193 VA SUB-TOTAL #2: 8,694 VA V-1 8,694 VA (1) HEAT PUMP HEATING AND A/C LOADS - NEC 220.82(C) (40%>10kVA) DEMAND SUB-TOTAL #1:18,499 VA SUB-TOTAL: 31,247 VA WATER HEATER 6,000 VA (3)d WATER HEATERS CLOTHES DRYER 5,000 VA (3)c ELECTRIC CLOTHES DRYER ELECTRIC RANGE 9,900 VA (3)b ELECTRIC RANGE REFRIGERATOR 750 VA MICROWAVE 1,000 VA DISHWASHER 750 VA DISPOSAL 1,130 VA (3)a APPLIANCES SMALL APPLIANCE: 2 1,500 3,000 VA LAUNDRY: 1 1,500 1,500 VA (2) SMALL APPLIANCE & LAUNDRY BRANCH CIRCUITS 739 3 2,217 VA (1) GENERAL LTG & RECS (SF x... GENERAL LOADS - NEC 220.82(B) LARGEST (1) BEDROOM UNIT - NEC 220.82 LOAD CALCULATION SYSTEM VOLTAGE: 208 /1PH 132 A TOTAL: 27,433 VA SUB-TOTAL #2: 8,694 VA V-1 8,694 VA (1) HEAT PUMP HEATING AND A/C LOADS - NEC 220.82(C) (40%>10kVA) DEMAND SUB-TOTAL #1:18,739 VA SUB-TOTAL: 31,847 VA WATER HEATER 6,000 VA (3)d WATER HEATERS CLOTHES DRYER 5,000 VA (3)c ELECTRIC CLOTHES DRYER ELECTRIC RANGE 9,900 VA (3)b ELECTRIC RANGE REFRIGERATOR 750 VA MICROWAVE 1,000 VA DISHWASHER 750 VA DISPOSAL 1,130 VA (3)a APPLIANCES SMALL APPLIANCE: 2 1,500 3,000 VA LAUNDRY: 1 1,500 1,500 VA (2) SMALL APPLIANCE & LAUNDRY BRANCH CIRCUITS 939 3 2,817 VA (1) GENERAL LTG & RECS (SF x... GENERAL LOADS - NEC 220.82(B) LARGEST (2) BEDROOM UNIT - NEC 220.82 LOAD CALCULATION SYSTEM VOLTAGE: 208 /1PH 141 A TOTAL: 29,367 VA SUB-TOTAL #2: 10,233 VA V-2 10,233 VA (1) HEAT PUMP HEATING AND A/C LOADS - NEC 220.82(C) (40%>10kVA) DEMAND SUB-TOTAL #1:19,134 VA SUB-TOTAL: 32,834 VA WATER HEATER 6,000 VA (3)d WATER HEATERS CLOTHES DRYER 5,000 VA (3)c ELECTRIC CLOTHES DRYER ELECTRIC RANGE 9,900 VA (3)b ELECTRIC RANGE REFRIGERATOR 750 VA MICROWAVE 1,000 VA DISHWASHER 750 VA DISPOSAL 1,130 VA (3)a APPLIANCES SMALL APPLIANCE: 2 1,500 3,000 VA LAUNDRY: 1 1,500 1,500 VA (2) SMALL APPLIANCE & LAUNDRY BRANCH CIRCUITS 1268 3 3,804 VA (1) GENERAL LTG & RECS (SF x... GENERAL LOADS - NEC 220.82(B) LARGEST (3) BEDROOM UNIT - NEC 220.82 LOAD CALCULATION NEC TABLE 220.84 DEMAND FACTOR:43% 474 A SYSTEM VOLTAGE: 208 /3PH 1,102 A TOTAL: 396,709 VA TOTAL DESIGN LOAD (NEC 220.84 OPTIONAL METHOD) SUB-TOTAL #2: 323,779 VA V-1 (7.5 KW) 9 8,694 78,246 VA V-2 (10 KW) 1 10,233 10,233 VA F. HEATING AND A/C WATER HEATER 5,000 50,000 VA REFRIGERATOR 750 7,500 VA MICROWAVE 1,000 10,000 VA DISPOSAL 1,130 11,300 VA DISHWASHER 750 7,500 VA E. APPLIANCE LOADS (NEC 220.53) ELECTRIC RANGE 9,900 99,000 VA D. ELECTRIC RANGE (NEC 220.55) CLOTHES DRYER 5,000 50,000 VA C.ELECTRIC CLOTHES DRYER (NEC 220.54) SUB-TOTAL #1: 72,930 VA SMALL APPLIANCE: 2 1,500 30,000 VA LAUNDRY: 1 1,500 15,000 VA B.SMALL APPLIANCE AND LAUNDRY (NEC 220.52) GENERAL LIGHTING (3VA/SF) 931 3 27,930 VA A. LIGHTING LOADS (NEC 220.42) QUANTITY: 10 UNITS Impala Townhomes - Building A LOAD CALCULATION TOTAL:363.1 1009.1 PANEL 'EVA' 134.9 375.0 HOUSE PANEL 'HA' 57.6 160.0 DWELLING UNITS 170.6 474.1 kVA Amps 1200A, 120/208V, 3φ, 4-WIRE LOAD SUMMARY: MS-A NOTE: SHORT CIRCUIT CALCULATIONS ARE BASED ON BUSSMAN POINT TO POINT METHOD F = (Isc,primary x Vprimary x 1.73 x %Z)/(100,000 x kVAxfmr) THE SAME CALCULATIONS FOR THE FAULT CURRENT AT THE SECONDARY SIDE OF THE TRANSFORMER, F VALUE CHANGES: F = (2 x L x Iavailable)/(C x n x EL-L) THE SAME CALCULATIONS FOR SINGLE (1) PHASE LINE TO LINE, F VALUE CHANGES: n = NUMBER OF CONDUCTORS PER PHASE L = LENGTH OF RUN IN FEET EL-L = LINE TO LINE VOLTAGE C = VALUES FOUND IN BUSSMANN SPD HANDBOOK FOR CONDUCTORS AND BUSWAY F = (1.73 x L x Iavailable)/(C x n x EL-L) M = 1/(1+F) Isc = (Iavailable)*M THREE (3) PHASE LINE TO LINE SHORT CIRCUIT CALCULATIONS: X6 UNIT LOAD CENTER (10KAIC) 9,806 0.199 4.031 8,826 208 75 49,335 --- --- X5 UNIT LOAD CENTER (22KAIC) 10,359 0.210 3.762 8,826 208 70 49,335 --- --- X4 EVA 34,654 0.702 0.424 24,244 208 25 49,335 --- --- X3 HA 32,708 0.663 0.508 12,122 208 15 49,335 --- --- X2 MS-A 49,335 0.640 0.563 85,560 208 75 77,100 --- --- X1 AVAILABLE AT XFMR SECONDARY 77,100 POINT DESCRIPTION SHORT CIRCUIT (Isc SYM RMS) MULTIPLIE R (M) F FACTOR (F) CONSTANT (C x n) LINE-LINE VOLTAGE (V) LENGTH OF RUN (L) CURRENT AVAILABLE (Iavailable) XFMR RATED (kVA) XFMR IMPED (%Z) SHORT CIRCUIT SCHEDULE