PHASE "A" PHASE "B" PHASE "C" NEUTRAL

A.

1. A. HOUSE LOADS (EXTERIOR LIGHTS)

B. LAUNDRY/MEETING RMS/LOBBY

C. CORRIDORS, STAIRS/KITCHEN

D. MECH., STORAGE

TOTAL 39.095 109 109 109 109

2 A. 25% 0F 1 9.77375 27 27 27 27

B.

1.33,894 SF x 2W = 67,788 W - FIRST 20,000W

@ 50% 10 28 28 28 28

REMAINING 47,788W @ 40% 19.115 53 53 53 53

2 VANITY RCPTS @ 180VA X 100 UNITS 18 50 50 50 50

3A/C, COOLING NON-COINCIDENT LOAD

HEAT GREATER @ 2.0KW x 100 UNITS200 555 555 555

4 REFRIG/MICO WAVE UNIT 100 @ 1.00KW 100 278 278 278 278

C.

1. GUEST LAUNDRY DRYER 1 @ 5000W 5 14 14 14

2. GUEST LAUNDRY WASHER 1 @ 3.0KW 3 8 8 8

3. VENDING/ICE MACHINES 6 17 17 17 17

4 GENERAL RCPTS 383@180 VA 69 192 192 192 192

5 MISCELLANEOUS 10 28 28 28 28

D.

1. MECHANICAL FANS 18 50 50 50

2. AHU'S ( HEATING) 37.3 104 104 104

3 KITCHEN LOAD 50.47 140 140 140

4 PUMPS 9.15 25 25 25 20

5 SWIMMING POOL 14.525 40 40 40

6 25% LARGEST MOTOR ( FREEZER) 1.605 4 4 4

E. 620.0338 1,721 1,721 1,721 800

F.4-750KCMIL

CU, THWN

4-750KCMIL

CU, THWN

4-750KCMIL

CU, THWN

4-750KCMIL

CU, THWN

G. 1,900 1,900 1,900 1,900

H. 2,000 2,000 2,000 2,000

I. 1,721 1,721 1,721 800

J. 279 279 279 1,200

LIGHTING LOAD:

GUEST ROOMS UNIT LOADS: ( Table 220.12 & 42)

ELECTRICAL LOAD ANALYSIS ( NEC 2008 ARTICLE 220)

LOAD KWAMPS @ 208/120V, 3P,4W

PANEL "LDP" (A)

DEMAND LOAD (A)

SPARE CAPACITY (A)

HOUSE LOADS:

MECHANICAL LOADS:

TOTAL DEMAND LOAD:

WIRE: (TABLE 310.16) @ 750C ( 167

0 F) RATING

AMPACITY

PHASE "A" PHASE "B" PHASE "C"

A. 295.98 356 356 356

B. 700 842 842 842

C. 995.98 1,198 1,198 1,198

D.3-750KCMIL

CU, THWN

3-750KCMIL

CU, THWN

3-750KCMIL

CU, THWN

E. 1,425 1,425 1,425

F. 1,200 1,200 1,200

NOTES:

FIRE PUMP ( 60HP) IS ON SEPARATE SERVICE ( SEE ONE-LINE DIAGRAM)

AMPS @ 480/277V, 3P,3W

ELECTRICAL LOAD ANALYSIS ( NEC 2008 ARTICLE 220)

480V/3P/3W TO 208/120V/3P, 4W

TOTAL DEMAND LOAD:

LOAD KW

WIRE: (TABLE 310.16) @ 750C ( 167

0 F) RATING

AMPACITY

SWITCHGEAR PANEL "MDP" (A)

PANEL " HV"

700 KVA STEP DOWN TRANSFORMER FROM

TRANSFORMER FULL LOAD AMPERES: TRANSFORMER MULTIPLIER:

IL-L = (KVA X 1000)/(EL-L X 1.732) MTRANS = 100/%ZTRANS

EL-L = 480 V 208 %ZTRANS = 3.5 %

KVA = 1000 KVA MTRANS = 28.57

IL-L = 1203 A

LET-THRU SHORT-CIRCUIT CURRENT:

IS.C. = 66902 A ( L-L SCA ESTIMATED AT UTILITY TRANSFORMER SECONDARY)

F FACTOR, M & IS.C. SYM:

F = (1.732 X L X I3PH)/(C X EL-L)

L = LENGTH OF CONDUCTOR TO THE FAULT

C = CONSTANT FROM TABLE B (COOPER BUSSMANN) FOR CONDUCTORS & BUSWAY

I3PH = AVAILABLE SHORT-CIRCUIT CURRENT IN AMPERES AT

BEGINNING OF CIRCUIT.

M = 1/(1+F)

IS.C. SYM = I3PH X M

FAULT #1 (AT MAIN DS): FAULT #2 (AT MDP): FAULT #3 (AT TA):

I3PH = 66902 A I3PH = 44599 A I3PH = 42701 A

L = 150 FT L = 20 FT L = 30 FT

C = 24137 C = 24137 C = 24137

COND./PH = 3 COND./PH = 3 COND./PH = 2

CRESULT 72411 CRESULT 72411 CRESULT 48274

F = 0.5001 F = 0.0444 F = 0.0958

M = 0.6666 M = 0.9574 M = 0.9126

IS.C. SYM 44599 A IS.C. SYM 42701 A IS.C. SYM 38970 A

FAULT #5 (AT HV): FAULT #4 (AT LDP):

I3PH = 42701 A I3PH = 38970

L = 15 FT L = 30

C = 16483 C = 24137

COND./PH = 2 COND./PH = 4

CRESULT 32966 CRESULT 96548

F = 0.0701 F = 0.1008

M = 0.9345 M = 0.9084

IS.C. SYM 39904 A IS.C. SYM 35400

SHORT-CIRCUIT CALCULATIONS

PROJECT NAME: FOUR POINTS BY SHERATON- SHENANDOAH, TX

PROJECT NUMBER: MEPGREEN10-04-01

PANEL: LI A.I.C RATING: 10 KA

VOLTAGE: 120/208V, 3PH, 4W BUS: 125 AMP MAINS: 125AMP MOUNTING: SURFACE MOUNTED

NEMA-1 COPPER M.C.B LOCATION: ELEC- 1st FLOOR

CODES: 0=LIGHTS 1=RECEP 2=EQUIP 3=A/C 4=HTG 5=125% LGST MTR 6=KITCHEN 7=PREVIOUSLY CALCULATED

CODE WIRE LOAD CIRCUIT DESCRIPTION BKR CKT PH CKT BKR CIRCUIT DESCRIPTION LOAD WIRE CODE

0 12 500 LTS-CANOPY 20/1 1 A 2 20/1 LTS- KITCHEN/CORRIDOR 600 12 0

0 12 1500 LTS-CANOPY 20/1 3 B 4 20/1 LTS- OFFICE 350 12 0

0 12 530 LTS - VESTIBULE 20/1 5 C 6 20/1 LTS- WATER HEATER/FIRE SPRINKLER 100 12 0

0 12 400 LTS - VESTIBULE 20/1 7 A 8 20/1 LTS - MEETING RM 1000 12 0

0 12 720 LTS - LOBBY 20/1 9 B 10 20/1 LTS - MEETING RM 900 12 0

0 12 220 LTS - LOBBY 20/1 11 C 12 20/1 LTS - REST RM 650 12 0

0 12 850 LTS - LOBBY/CORRIDOR 20/1 13 A 14 20/1 LTS - FITNESS RM 480 12 0

0 12 550 LTS - LOBBY/CORRIDOR 20/1 15 B 16 20/1 LTS - SWIMMING POOL CORRIDOR 600 12 0

0 12 900 LTS - RECEPTIONS 20/1 17 C 18 20/1 LTS - SWIMMING POOL 640 12 0

0 12 800 LTS - CORRIDOR 20/1 19 A 20 20/1 LTS - EQUIP. SW. POOL/MECH. RM 100 12 0

0 12 650 LTS - RESTAURANT 20/1 21 B 22 20/1 LTS - CORRIDOR/BREAK RM 350 12 0

0 12 530 LTS - RESTAURANT 20/1 23 C 24 20/1 LTS - LAUNDRY/ELECTRICAL RM 550 12 0

0 12 875 LTS - RESTAURANT 20/1 25 A 26 20/1 LTS - "EX-C" 900 12 0

0 12 550 LTS - RESTAURANT 20/1 27 B 28 20/1 LTS - PATIO 1180 12 0

0 12 650 LTS - RESTAURANT 20/1 29 C 30 20/1 LTS - PATIO 1180 12 0

0 12 650 LTS - BUFFET/BAR 20/1 31 A 32 20/1 SPARE

0 12 300 LTS - BUFFET/BAR 20/1 33 B 34 20/1

0 10 700 LTS - "X", "EM", "T" 20/1 35 C 36 20/1

SPARE 20/1 37 A 38 20/1

20/1 39 B 40 20/1

20/1 41 C 42 20/1

LIGHTS RECEP. EQUIP. MOTORS EL. HEAT PHASE F.T.L. PHASE CONN.KVA LOAD FACTORS DES. KVA DES. AMP

7155 0 0 0 0 A A 7.155 LIGHTS @ 125% 8.94375 74

7650 0 0 0 0 B B 7.65 EQUIP. @ 100% 9.5625 80

6650 0 0 0 0 C C 6.65 LG. MOTOR @125% 8.3125 69

21455 0 0 0 0 TOTAL TOTAL 21.455 RECEPS @ 10kW+50% 26.81875 74

SUB-FEED PANELS:

PANEL NAME S.F. KVA LOAD FACTORS DES. KVA DES. AMP

PANEL SUB FEED @ 100% 0 0

GRAND TOTAL 26.81875 74.4

PROJECT NAME: FOUR POINTS BY SHERATON- SHENANDOAH, TX

PROJECT NUMBER: MEPGREEN10-04-01

PANEL: LJ A.I.C RATING: 10 KA

VOLTAGE: 120/208V, 3PH, 4W BUS: 125 AMP MAINS: 125AMP MOUNTING: SURFACE MOUNTED

NEMA-1 COPPER M.C.B LOCATION: ELEC- 1st FLOOR

CODES: 0=LIGHTS 1=RECEP 2=EQUIP 3=A/C 4=HTG 5=125% LGST MTR 6=KITCHEN 7=PREVIOUSLY CALCULATED

CODE WIRE LOAD CIRCUIT DESCRIPTION BKR CKT PH CKT BKR CIRCUIT DESCRIPTION LOAD WIRE CODE

1 12 1080 RCPTS - CANOPY 20/1 1 A 2 20/1 RCPTS - CORRIDOR 1260 12 1

1 12 1500 DOOR MOTOR 20/1 3 B 4 20/1 RCPTS - CORRIDOR 1260 12 1

1 12 1500 FIRE ALARM PANEL 20/1 5 C 6 20/1 RCPTS - BUFFET 720 12 1

1 12 1260 RCPTS - LOBBY 20/1 7 A 8 20/1 SPARE - 1

1 12 720 FLOOR RCPTS - LOBBY 20/1 9 B 10 20/1 SPARE - 1

1 - SPARE 20/1 11 C 12 20/1 RCPTS - RESTAURANT 900 12 1

1 - SPARE 20/1 13 A 14 20/1 FIRE PLACE 1200 12 1

1 12 720 RCPTS - PANTRY 20/1 15 B 16 20/1 SPARE - 1

1 12 1080 IG RCPTS - OFFICE 20/1 17 C 18 20/1 - 1

1 12 1620 RCPTS - OFFICE 20/1 19 A 20 20/1 - 1

1 12 1080 IG RCPTS - OFFICE 20/1 21 B 22 20/1 - 1

1 12 1080 COMPUTER RCPTS - OFFICE 20/1 23 C 24 20/1 RCPTS - MEETING RM 1800 12 1

1 12 1080 RCPT - PBX RM 20/1 25 A 26 20/1 SUMP PUMP 1500 12 1

1 12 1200 20/1 27 B 28 20/1 ELEVATOR CAB 1500 12 1

1 12 1200 20/1 29 C 30 20/1 RCPTS - ATM 1500 12 1

1 12 1200 20/1 31 A 32 20/1 RCPTS - PHOCOPIER 1200 12 1

1 12 720 WP RCPTS - WATER HEATER RM 20/1 33 B 34 20/1 RCPTS - INTERNET AREA 1440 12 1

1 12 1260 RCPTS - MULTI PURPOSE RM 20/1 35 C 36 20/1 COMPUTER RCPTS - INTERNET AREA 720 12 1

SPARE 20/1 37 A 38 20/1 RCPTS - LIFT LOBBY 900 12 1

20/1 39 B 40 20/1 SPARE

20/1 41 C 42 20/1 SPARE

LIGHTS RECEP. EQUIP. MOTORS EL. HEAT PHASE F.T.L. PHASE CONN.KVA LOAD FACTORS DES. KVA DES. AMP

0 12300 0 0 0 A A 12.3 LIGHTS @ 125% 7.8165 65

0 10140 0 0 0 B B 10.14 EQUIP. @ 100% 6.7365 56

0 11760 0 0 0 C C 11.76 LG. MOTOR @125% 7.5465 63

0 34200 0 0 0 TOTAL TOTAL 34.2 RECEPS @ 10kW+50% 22.0995 61

SUB-FEED PANELS:

PANEL NAME S.F. KVA LOAD FACTORS DES. KVA DES. AMP

PANEL SUB FEED @ 100% 0 0

GRAND TOTAL 22.0995 61.3

PROJECT NAME: FOUR POINTS BY SHERATON- SHENANDOAH, TX

PROJECT NUMBER: MEPGREEN10-04-01

PANEL: LK A.I.C RATING: 10 KA

VOLTAGE: 120/208V, 3PH, 4W BUS: 125 AMP MAINS: 125AMP MOUNTING: SURFACE MOUNTED

NEMA-1 COPPER M.C.B LOCATION: ELEC- 1st FLOOR

CODES: 0=LIGHTS 1=RECEP 2=EQUIP 3=A/C 4=HTG 5=125% LGST MTR 6=KITCHEN 7=PREVIOUSLY CALCULATED

CODE WIRE LOAD CIRCUIT DESCRIPTION BKR CKT PH CKT BKR CIRCUIT DESCRIPTION LOAD WIRE CODE

1 12 900 RCPTS - REST RM 20/1 1 A 2 20/1 EF-1 1200 12 1

1 12 900 RCPTS - REST RM 20/1 3 B 4 20/1 EF-2 1200 12 1

1 12 900 RCPTS - CORRIDOR 20/1 5 C 6 20/1 EF-3 1200 12 1

1 12 1260 RCPTS - CORRIDOR 20/1 7 A 8 20/1 EF-4 1200 12 1

1 12 540 RCPTS - FITNESS 20/1 9 B 10 20/1 EF-5 1200 12 1

1 12 540 RCPTS - FITNESS 20/1 11 C 12 20/1 EF-6 1200 12 1

1 12 360 FLOOR RCPTS - FITNESS 20/1 13 A 14 20/1 EF-7 1200 12 1

1 12 360 FLOOR RCPTS - FITNESS 20/1 15 B 16 20/1 EF-8 1200 12 1

1 12 900 RCPTS - FITNESS 20/1 17 C 18 20/2 LTS - SITE ( NOTE 1) 1200 12 0

1 12 1440 RCPTS - POOL 20/1 19 A 20 1200 12 0

1 12 1080 RCPTS - BREAK RM 20/1 21 B 22 20/2 LTS - SITE 1200 12 0

1 12 540 RCPTS - POOL REST RM 20/1 23 C 24 1200 12 0

1 12 1260 RCPTS - LAUNDRY 20/1 25 A 26 20/2 LTS - SITE 1200 12 0

1 12 720 RCPTS - LAUNDRY 20/1 27 B 28 1200 12 0

1 12 1080 RCPTS - ELEC. RM 20/1 29 C 30 20/2 LTS - SITE 1200 12 0

1 12 1440 WP RCPTS - PATIO 20/1 31 A 32 1200 12 0

0 10 1160 UPLIGHT 20/1 33 B 34 20/1 MAIN SIGN 1500 12 0

0 10 1160 UPLIGHT 20/1 35 C 36 20/1 1500 12 0

0 10 1200 LTS- FLAG POLE 20/1 37 A 38 20/1 1500 12 0

SPARE 20/1 39 B 40 20/1 SPARE

20/1 41 C 42 20/1 SPARE

LIGHTS RECEP. EQUIP. MOTORS EL. HEAT PHASE F.T.L. PHASE CONN.KVA LOAD FACTORS DES. KVA DES. AMP

6300 10260 0 0 0 A A 16.56 LIGHTS @ 125% 14.6715 122

5060 7200 0 0 0 B B 12.26 EQUIP. @ 100% 11.5915 97

6260 6360 0 0 0 C C 12.62 LG. MOTOR @125% 12.6715 106

17620 23820 0 0 0 TOTAL TOTAL 41.44 RECEPS @ 10kW+50% 38.9345 108

SUB-FEED PANELS:

PANEL NAME S.F. KVA LOAD FACTORS DES. KVA DES. AMP

PANEL SUB FEED @ 100% 0 0

GRAND TOTAL 38.9345 108.1NOTES :

1- CONTROLLED BY A 20A,6P,N-1, MECH. HELD LIGHTING CONTACTORS WHICH IS CONTROLLED BY A 7-DAY, N-1 TIME CLOCK WITH 4 HRS BATTERIES