Electrical System Design LayoutAnd Estimate

Design by:Purcia, Clarmine R.Abarca, Aaron Paul M.Engr. Jayson Bryan E. Mutuc

October 8, 2012Table of Contents

General Notes 3 Legend & Location Map4 Schedule of Loads5 Lighting Layout6 Power Layout6 Direct Cost7-8 Design Analysis9-11 Riser Diagram & Panel Board Details12 Documentation of Estimate13-17 Resume

General Notes1. All electrical works indicated herein shall be done in accordance with the latest edition of Philippine Electrical Code Part 1, the requirements of the local building official and the electric utility serving the area. 2. The electrical supply/service voltage is 230 V, single phase, two wires, grounded, 60 Hz.3. Contractor shall verify and orient the actual locations of concrete terminal. 4. All installation shall be concealed from view, wiring shall be incased in PVC pipe or flexible conduit except power service which shall be in RSC.5. The minimum size of wire shall be 2.0 mm and 15mm conduit.6. All materials shall be new and approved type. Appropriate for both location and intended use.7. Electrical installation shall be under a direct supervision of duly licensed electrical engineer or registered master electrician. 8. No revision in the design shall be done without the prior knowledge and approval of the designer and the owner.9. Ground resistance shall not exceed 25 ohms.10. Mounting heights for switches and convenience outlet shall be in 1. 37 m and 0.30 m respectively, unless otherwise indicated in architectural plans.

Legend & Location Map

Ceiling Light Outlet

Fluorescent Outlet

Branch Circuit

Duplex Convenience OutletExhaust Fan

Single-Button Switch

Triple-Button SwitchDouble-Button Switch

Water Heater Outlet

Air-Conditioning Unit Outlet

Range Outlet Address: Wack-Wack Greenhills Mandaluyong City

Panel Board

Electric Wire

LOAD SERVICE LOAD LOAD AMPSCB SIZEWIRE AND

DESCRIPTIONVOLTAGEWATTS POLEAFATCONDUIT SIZE

Lighting230 V400 W1.74 A250152-2.0 sq mm THWN in

15 mm dia PVC

Lighting230 V500 W2.17 A250152-2.0 sq mm THWN in

15 mm dia PVC

Convenience Outlets230 V1260 W5.48 A250203-2.0 sq mm THWN in

15 mm dia PVC

Convenience Outlets230 V900 W3.19 A250203-2.0 sq mm THWN in

15 mm dia PVC

Laundry230 V1500 W6.52 A250203-2.0 sq mm THWN in

15 mm dia PVC

ACU (Master Bedroom)230 V2300 W10.0 A250302-3.5 and 1-2.0 sq mm THWN

in 15 mm dia PVC

ACU (Bedroom)230 V2300 W10.0 A250302-3.5 and 1-2.0 sq mm THWN

in 15 mm dia PVC

ACU (Living Area)230 V2300 W10.0 A250302-3.5 and 1-2.0 sq mm THWN

in 15 mm dia PVC

Water Heater230 V5000 W21.74 A250302-5.5 and 1-3.5 sq mm THWN

in 20 mm dia PVC

Range230 V8000 W34.78 A250402-8.0 and 1-3.5 sq mm THWN

in 20 mm dia PVC

SPARE

SPARE

Schedule of loadsFull Load Current @ 80% DF= [ 105.62 + 25% (10) ] X 80% = 86.496 AUse: 2 30 mm THWN + 1 8.0 mm ground wire THWN @ 30 mm RSCUse: 1 110 Ampere Trip, 60 Hz, 1, 2P molded case circuit breaker

Direct cost Direct Cost

Item Item DescriptionQtyUnit Material cost Labor CostEstimated

No.Unit CostTotal CostUnit CostTotal CostDirect Cost

Rough-Ins

1PVC - 15 mm (per 3 meter)63pcsP 72.00P 4,536.00P 21.60P 1,360.80P 5,896.80

2PVC - 20 mm (per 3 meter)7pcsP 109.00P 763.00P 32.70P 228.90P 991.90

3RSC- 30 mm (per 3 meter)2pcsP 550.00P 1,100.00P 165.00P 330.00P 1,430.00

4Locknut, Bushing & Adapter - 15 mm 42pcsP 18.00P 756.00P 5.40P 226.80P 982.80

5Locknut, Bushing & Adapter - 20 mm 4pcsP 25.00P 100.00P 7.50P 30.00P 130.00

6Locknut, Bushing & Adapter - 30 mm 3pcsP 35.50P 106.50P10.65P 31.95P 138.45

7Elbow 30 mm 5pcsP 27.00P 135.00P 8.10P 40..50P 175.50

Wires

8Wires - 2.0 mm (ungrounded)1rollP 3, 037.50P 3, 037.50P 911.25P 911.25P 3,948.75

912mP 22.50P 270.00P 6.75P 81.00P 351.00

10Wires - 2.0 mm (grounded)36mP 22.50P 810.00P 6.75P 243.00P 1,053.00

11Wires - 3.5 mm (ungrounded)67mP 33.00P 2,211.00P 9.90P 663.30P 2,874.30

12Wires - 3.5 mm (grounded)20mP 33.00P 660.00P 9.90P 198.00P 858.00

13Wires - 5.5 mm (ungrounded)12mP 50.50P 606.00P 15.15P 181.80P 787.80

14Wires - 8.0 mm (ungrounded)20mP 79.00P 1,580.00P 23.70P 474.00P 2,054.00

15Wires - 8.0 mm (grounded)4mP 79.00P 316.00P 23.70P 94.80P 410.80

Wires - 30 mm (ungrounded) 7mP 383.50P 2,684.50P 115.05P 805.35P 3,489.85

Wiring Devices

16Convenience Outlet (Grounding Duplex)13pcsP 192.00P 2,496.00P 57.60P 748.80P 3,244.80

17Outlet (Washing Machine)1pcsP 178.00P 178.00P 53.40P 53.40P 231.40

18Outlet (Water Heater)1pcsP 399.50P 399.50P 119.85P 119.85P 519.35

19Outlet (Range)1pcsP 850.00P 850.00P 255.00P 255.00P 1,105.00

20Outlet (ACU)3pcsP 186.00P 186.00P 55.80P 167.40P 353.40

21Switch (Single-button)2pcsP 57.00P 114.00P 17.10P 34.20P 148.20

22Switch (Double-button)2pcsP 178.00P 356.00P 53.40P 106.80P 462.80

23Switch (Triple-button)2pcsP 239.00P 478.00P 71.70P 143.40P 621.40

24Junction Box11pcsP 19.00P 209.00P 5.70P 62.70P 271.70

25Utility Box25pcsP 17.00P 425.00P 5.10 P 127.50P 552.50

Item Item DescriptionQtyUnit Material costLabor CostEstimated

No.Unit CostTotal CostUnit CostTotal CostDirect Cost

Lighting Fixtures

26Compact Fluorescent Lamp6pcsP 212.00P 1,272.00P 63.60P 381.60P 1,653.60

27Receptacle (Ceiling)3pcsP 37.75P 113.75P 11.33P 33.98P 147.73

28Receptacle (Pin light)3pcsP 180.00P 540.00P 54.00P 162.00P 702.00

29Fluorescent - Set4pcsP 316.75P 1,267.00P 95.03P 380.12P 1,647.12

Panel Board

30Panel Board 12B1pcsP 2,974.75P 2,974.75P 892.43P 892.43P 3,867.18

31Circuit Breaker - 15 AT2pcsP 394.75P 789.50P 118.43P 236.86P 1,026.36

32Circuit Breaker - 20 AT3pcsP 394.75P 1,184.25P 118.43P 355.29P 1,539.54

33Circuit Breaker - 30 AT4pcsP 394.75P 1,579.00P 118.43P 473.72P 2,052.72

34Circuit Breaker - 40 AT1pcsP 394.75P 394.75P 118.43P 118.43P 513.18

35Circuit Breaker - 110 AT1pcsP 617.75P 617.75P 185.33P 185.33P 803.08

36Service Cap - 30 mm 1pcsP 60.00P 60.00P 18.00P 18.00P 78.00

Miscellaneous

37Electrical Tape6pcsP 24.75P 99.00P 7.43P 44.58P 143.58

38G.I. Wires2rollP 65.00P 130.00P 19.20P 39.00P 169.00

TOTALP 47,349.09

Design analysis

17 | Page

General Lighting Floor area x 24 VA/m120 m x 24 VA/m = 2880 VAThe computed load is 2880 VA / 230 V = 12.5217 A* Provide two 20-ampere branch circuits for lighting.* Use: 2 - 15 AT, 60 Hz, 2P, 240 V molded Case Circuit Breaker* Use: 2 - 2.0 mm THWN in 15 mm PVC

Small Appliance LoadTwo 20-amp @ 1500VA = 3000 VA* Provide two 20-ampere small appliance circuits* Use: 2 20 AT, 60 Hz, 2P, 240 V Molded Case Circuit Breaker

Laundry Circuit One 20-amp @ 1500 VA = 1500 VA* Provide one 20-ampere laundry circuit.* Use: 1 20 AT, 60 Hz, 2P, 240 V Molded Case Circuit Breaker* Use: 2 2.0 mm THWN + 1 - 2.0 mm in 15 mm PVC

Subtotal = 7380 VA

* Use: 2 2.0 mm THWN + 1 - 2.0 mm in 15 mm PVC

Applications of demand factors First 3000 VA @ 100% DF = 3000 VARemainder @ 35% DF (4380 x 35%) = 1533 VA

Other loads:Electrical Range One 8-kw electric range @ 80% = 6400 VA* Provide one 40-ampere electric range circuit * Use: 1 40 AT, 60 Hz, 2P, 240 V Molded Case Circuit Breaker* Use: 2 8.0 mm THWN + 1 - 3.5 mm in 20 mm PVC

ACU (Air Conditioning Unit)Three 1.5 hp room ACU, 10 A x 230 V @ 100 DF = 6900 VA* Provide three 30-ampere room ACU circuits* Use: 2 20 AT, 60Hz, 2P, 240V Molded Case Circuit Breaker* Use: 2 3.5 mm THWN + 1 - 2.0 mm in 15 mm PVC

Water HeaterOne 30-Amps @ 5000 VA = 5000 VA* Provide one 30-ampere room Water Heater circuit* Use: 1 30 AT, 60Hz, 2P, 240V Molded Case Circuit Breaker* Use: 2 5.5 mm THWN + 1 - 3.5 mm in 20 mm PVC

Total Net Computed Load = 22833 VA

Service Entrance Conductor Total Full Load Current:[22833 VA + 25% (2300 VA)] / 230 V = 101.774 Amperes* Use: 2 30 mm & 1 8.0 mm THWN wire in 30 mm RSCService Equipment:Maximum Current Rating of Protective Device

Inverse Time Circuit Breaker:[3000 VA + 1533.8 VA + 6400 VA + 5000 VA + 2300 VA+ 2300 VA + 2300 VA (250%)] / 230 V = 114.27 amps* Use one 125 AT / 225 AF, 2P, 240 V molded case circuit breaker

Riser Diagram & Panel Board Details

15 AT

15 AT30 ATSPARE15 AT30 AT20 AT40 ATSPARE30 AT30 AT20 AT20 AT

Documentation of estimates

CIRCUIT NO. 1 Roughing-Ins Qty PriceLength of PVC - 15 mm - 21 pcs- P 1,512.00 No. of Locknut, Bushing & Adapter - 4 pcs- P 72.00 Wiring & CableLength of Ungrounded Wire 2.0 mm- 122.4 m- P 918.00Wiring DevicesNo. of Single-Button Switch- 2 pcs- P 114.00No. of Double-Button Switch- 1 pc- P 178.00No. of Triple-Button Switch- 1 pc- P 239.00No. of Junction Box-7 pcs- P 133.00No. of Utility Box-4 pcs- P 68.00Lighting FixturesNo. of Fluorescent Lamps (Set)- 4 pcs- P 1,267.00No. of Bulb (CFL)- 3 pcs- P 212.00Receptacle (Ceiling)-1 pc- P 37.75Receptacle (Pinlight)-2 pcs- P360.00CIRCUIT NO. 2Roughing-Ins Qty PriceLength of PVC - 15 mm - 13 pcs- P 936.00No. of Locknut, Bushing & Adapter- 7 pcs- P 126.00Wiring & CableLength of Ungrounded Wire 2.0 mm - 74.9 m- P 561.75Wiring DevicesNo. of Double-Button Switch- 1 pc- P 178.00No. of Triple-Button Switch- 1 pc- P 239.00No. of Junction Box- 4 pcs- P 76.00 No. of Utility Box- 3 pcs- P 51.00Lighting FixturesNo. of Fluorescent Lamp-1 pcs- P 316.75No. of Bulb (CFL)- 3 pcs- P 212.00Receptacle (Ceiling)-2 pcs- P 75.50Receptacle (Pinlight)-1 pcs- P180.00

CIRCUIT NO. 3Roughing-Ins Qty PriceLength of PVC - 15 mm - 12 pcs - P 864.00No. of Locknut, Bushing & Adapter - 15 mm - 14 pcs - P 252.00Wiring & CableLength of Ungrounded Wire 2.0 mm - 57 m - P 427.50Length of Ground Wire 2.0 mm - 28.5 m - P 641.25Wiring DevicesNo. of Convenience Outlet - 7 pcs - P 1,344.0No. of Utility Box - 7 pcs - P 119.00

CIRCUIT NO. 4Roughing-Ins Qty PriceLength of PVC - 15 mm -2 pcs - P 144.00No. of Locknut, Bushing & Adapter - 15 mm - 10 pcs - P 180.00Wiring & CableLength of Ungrounded Wire 2.0 mm - 31.4 m - P 235.50Length of Ground Wire - 15.7 m - P 353.25Wiring DevicesNo. of Convenience Outlet - 5 pcs - P 960.00No. of Utility Box - 5 pcs - P 85.00

CIRCUIT NO. 5 Roughing-Ins Qty PriceLength of PVC - 15 mm - 3 pcs - P 878.40No. of Locknut, Bushing & Adapter - 15 mm - 2 pcs - P 36.00Wiring & CableLength of Ungrounded Wire 2.0 mm - 24.4 m - P 183.00Length of Ground Wire 2.0 mm - 12.2 m - P 274.50 Wiring DevicesNo. of Convenience Outlet - 1 pc - P 178.00

CIRCUIT NO. 6 Roughing-Ins Qty PriceLength of PVC - 15 mm - 2 pcs - P 144.00No. of Locknut, Bushing & Adapter - 15 mm - 2 pcs - P 36.00Wiring & CableLength of Ungrounded Wire 3.5 mm - 18.70 m - P 205.70Length of Ground Wire 2.0 mm - 9.35 m - P 210.38Wiring DevicesNo. of Convenience Outlet - 1 pc - P 186.00

CIRCUIT NO. 7 Roughing-Ins Qty PriceLength of PVC - 15 mm - 2 pcs - P 144.00 No. of Locknut, Bushing & Adapter - 15 mm - 2 pcs - P 36.00Wiring & Cable Length of Ungrounded Wire 3.5 mm - 27.8 m - P 305.80Length of Ground Wire 2.0 mm - 13.9 m - P 312.75Wiring DevicesNo. of Convenience Outlet - 1 pc - P 186.00No. of Utility Box - 1 pc - P 17.00

CIRCUIT NO. 8Roughing-Ins Qty PriceLength of PVC - 15 mm - 3 pcs - P 216.00 No. of Locknut, Bushing & Adapter - 15 mm - 2 pcs - P 36.00Wiring & CableLength of Ungrounded Wire 3.5 mm - 18.2 m - P 200.20Length of Ground Wire 2.0 mm - 9.1 m - P 204.75Wiring DevicesNo. of Convenience Outlet - 1 pc - P 186.00No. of Utility Box - 1 pc - P 17.00

CIRCUIT NO. 9Roughing-Ins Qty PriceLength of PVC - 20 mm - 2 pcs- P 144.00No. of Locknut, Bushing & Adapter - 15 mm - 2 pcs - P 50.00Wiring & CableLength of Ungrounded Wire 5.5 mm - 12 m - P 201.96Length of Ground Wire 3.5 mm - 6 m - P 198.00Wiring DevicesNo. of Convenience Outlet - 1 pc - P 399.50No. of Utility Box - 1 pc - P 17.00

CIRCUIT NO. 10Roughing-Ins Qty PriceLength of PVC - 20 mm - 2 pcs - P 144.00 No. of Locknut, Bushing & Adapter - 15 mm - 2 pcs - P 50.00Wiring & CableLength of Ungrounded Wire 8.0 mm - 26 m - P 684.58Length of Ground Wire 3.5 mm - 13 m - P 429.00Wiring DevicesNo. of Convenience Outlet - 1 pc - P 850.00No. of Utility Box - 1 pc - P 17.00No. of Utility Box - 1 pc - P 17.00EF

2S

S

3S

HW

HW