electrical sow - u.s. embassy and consulates in pakistan · electrical sow: 1. all panels and...

Electrical SOW:

1. All panels and subpanels to be 16 SWG and complying to IP65 protection.

2. For Elevated Towers Panels will be installed beneath the tower and for Guard booths these will

be installed adjacent to the post.

3. All Elevated towers and Guard Booths (post) to be provided with separate subpanels. Please

follow details and illustrations provided in Appendix “A”.

4. All subpanels as mentioned in para 1 will be connected to the main panels designated by

Security Gates. A Total of six main panels are required to supply power to elevated towers and

guard booth subpanels. Please follow Appendix “A” for details.

5. All Power distribution from main to the subpanels and inside the posts shall be in water tight

fitting.

6. All underground conduits to be good quality UPVC Schedule 40. G.I conduits will be used for

road crossing and concrete areas. These UPVC and G.I Conduits to buried at a minimum depth of

1feet below finished grade.

7. Where possible conduits will be run on the wall to avoid road cutting, however anything conduit

or other accessories above the ground to the G.I type with proper support.

8. All conduits to be sized in such a way that about 50% space is left after the required cable has

been pulled.

9. Install pull wires in empty raceways. Use polypropylene or monofilament plastic line with not

less than 90-kg tensile strength. Leave at least 300 mm of slack at each end of pull wire.

10. All towers and booths to be provided with lightning protection and ground pits. Follow drawing

QE-USK-14-AB-GTE16-Model for grounding and lighting protection details.

11. For Electrical lights and other accessories requirement follow drawing 23.

12. Power distribution inside each post will be through 1” G.I conduit and switches/receptacles will

be installed on metallic junction boxes. The power distribution as a whole will be bonded up to

the main panel. Junction boxes will be properly grounded. All receptacles to be three pin type.

For Phase, neutral and ground.

13. Install wire and cable with sufficient slack and flexible connections to allow for vibration of piping and equipment. Conductors at each outlet should have at least 200 mm of slack.

14. Locate pull /floor boxes at every 100 feet intervals and other 90-degree bend. All pull/ floor boxes to be water tight to prevent rain water entering into it.

15. Perform the following field tests and inspections and prepare test reports: After installing wiring devices and after electrical circuitry has been energized, test for Proper polarity and ground continuity. Test and verify GFCI operation. Measure all cables insulation resistance.

16. Remove malfunctioning units, replace with new units, and retest as specified above.

APPENDIX “A”

US CONSULATE KARACHI, PAKISTAN

BILL OF MATERIAL & DESIGN

ELECTRICAL POWER DISTRIBUTION PANEL

FOR NCC KARACHI ELEVATED TOWERS AND GUARD BOOTHS

Note: All illustrations, breakers quantities and sizes provided in this Appendix are the minimum requirement and provided

for basic understanding of the Required Power Distribution System. It is responsibility of the contractor to thoroughly

check all the required material for this job and add any component which can increase safety and security of our system.

S U M M A R Y

Total Panels

Main Panel

Sub Panels

Description Quantity

Total Quantity of Main Distribution panel 06

Total Quantity of Sub panels for Elevated posts & Guard Booths 23

Total Quantity of electrical power distribution panels 29


Main power distribution panel for SCAC O1

Main power distribution panel for MCAC O1

Main power distribution panel for CCAC O1

Main power distribution panel for RCAC O1

Main power distribution panel for Courier gate O1

Main power distribution panel for Utility-2 O1

Total Quantity 06


Sub panels for Guard Booths 18

Sub panel for Elevated posts 05

Total Quantity 23

PANEL SPECFICATIONS AND DETAILS

MAIN POWER DISTRIBUTION PANEL FOR S CAC

MAIN POWER DISTRIBUTION PANEL FOR M CAC

S. No. Description Size Qty Make

1 MCCB 3pole 60 Amps 01 Terasaki or Equivalent


3 MCB 1pole 20Amps 02 Schneider electric or Equivalent

4 Neutral strip (Copper) 60 Amps 12 Hole Local

5 Ground strip (Copper) 60 Amps 12 Hole Local

6 Panel gauge 16 SWG As per size 01 Local

7 Bus bar Copper (As per Panel load.) - 03 Local

8 Acrylic sheet 5mm 01 Local










MAIN POWER DISTRIBUTION PANEL FOR C CAC

MAIN POWER DISTRIBUTION PANEL FOR R CAC



















MAIN POWER DISTRIBUTION PANEL FOR COURIER GATE

MAIN POWER DISTRIBUTION PANEL FOR UTILITY -2



















SUB PANEL FOR ELEVATED TOWERS

SUB PANEL FOR GUARD BOOTHS


1 MCB 3pole 20 Amps 01 Schneider electric or Equivalent



4 GFCI/ RCCB 20 Amps 01 Schneider electric or Equivalent


6 Ground strip (Coper) 20 Amps 06 Hole Local

7 Panel gauge 16 SWG 24”x 18” 01 Local

8 Bus bar Copper (As per Amp. Rating) - 03 Local






4 GFCI/ RCCB 20 Amps 02 Schneider electric or Equivalent


6 Ground strip (Coper) 30 Amps 10 Hole Local

7 Panel gauge 16 SWG 24”x 18” 01 Local

8 Bus bar Copper (As per Amp. Rating) - 03 Local


MAIN POWER DISTRIBUTION PANEL FOR S-CAC

MAIN POWER DISTRIBUTION PANEL FOR S-CAC (INTERNAL VIEW)

a

3pole Ckt.Br.60A

10 space for 3pole MCCB

Insulation sheet for Bus bar

Neutral strip

Ground strip

25”

42”

‘”

06”

Space for 1 pole Ckt.Br. din rail mount

MAIN POWER DISTRIBUTION PANEL FOR M-CAC

MAIN POWER DISTRIBUTION PANEL FOR M-CAC (INTERNAL VIEW)

a

3pole Ckt.Br.60A



Neutral strip

Ground strip

25”

42”

‘”

06”

Space for 1 pole Ckt.Br. Din rail mount

MAIN POWER DISTRIBUTION PANEL FOR C-CAC

MAIN POWER DISTRIBUTION PANEL FOR C-CAC

a

3pole Ckt.Br.60A



Neutral strip

Ground strip

25”

42”

‘”

06”

Space for 1 pole Ckt.Br. Din rail mount

MAIN POWER DISTRIBUTION PANEL FOR R-CAC

MAIN POWER DISTRIBUTION PANEL FOR R-CAC

a

3pole Ckt.Br.60A



crylic sheet Bus bar protection

Neutral strip

Ground strip

25”

42”

‘”

06”


MAIN POWER DISTRIBUTION PANEL FOR COURIER GATE

a

3pole Ckt.Br.60A



Neutral strip

Ground strip

25”

42”

‘”

06”


MAIN POWER DISTRIBUTION PANEL FOR UTILITY-2

a

3pole Ckt.Br.60A



Neutral strip

Ground strip

25”

42”

‘”

06”



Rubber seal for IP 65

Collar for water drain

Blank space

LOTO


S. pole GFCI/ RCCB

3P.blank space

Neutral strip.30A

Bus Bar

3pole Mcb.20A

Ground strip.30A

Insulation sheet

Bus bar Isolator

24”

18”

RCCB 20A RCCB 20A 10A 10A 10A 10A 20A

Ground strip.30A

Blank space


Rubber seal for IP 65

Collar for water drain

Blank space

LOTO


S. pole GFCI/ RCCB

3P.blank space

Neutral strip.20A

Bus Bar 50 Amps

3pole Mcb.20A

Ground strip.30A

Insulation sheet

5mm

Bus bar Isolator

24”

18”

RCCB 20A 20A 10A 10A

Ground strip.30A

Blank space

ELECTRIC PLAN

Washington, D.C.

United States Department of State

WARNING:

TOWER ROOF PLAN

AVERAGE TEST RESISTANCERECORDED OF EARTHING IS 0.57(Ω).

S.No Post Name Sub panel to Post Interior Wire Size Remarks1 Elevated Tower 200 ft 8 AWG/ 10 sqmm 12 AWG/ 4 sqmm

2 Guard Booth 300 ft 8 AWG/ 10 sqmm 12 AWG/ 4 sqmm



S.No Post Name Sub panel to Post Interior Wire Size Remarks

1 Elevated Tower80 ft

8 AWG/ 10 sqmm 12 AWG/ 4 sqmm

2 Elevated Tower100 ft


3 Guard Booth150 ft


4 Guard Booth230 ft

8 AWG/10 sqmm 12 AWG/ 4 sqmm

5 Guard Booth 190 ft


6 Guard Booth120 ft


7 Guard Booth280 ft


8 Guard Booth130 ft


9 Guard Booth330 ft




Note: All cable lengths provided here are an approximation. Contractor is responsible

to properly verify and quantify exact cable lengths for this project


Main panel to Post Sub Panel Length With Wire Size

Courier Gate Area Security Posts

Main Source to main panel distance : 70 feet

Cable Size : 6 AWG x 5 nos


C-CAC Area Security Posts




S-CAC Area Security Posts



M-CAC Area Security Posts




S.No Post Name Sub panel to Post Interior Wire Size RemarksElevated Tower 230 ft 8 AWG/ 10 sqmm 12 AWG/ 4 sqmm

Guard Booth 370 ft 8 AWG/ 10 sqmm 12 AWG/ 4 sqmm




Post Name Sub panel to Post Interior Wire SizeGuard Booth Sultanabad 250 ft 8 AWG/ 10 sqmm 12 AWG/ 4 sqmm

Utility-2 Area Security Posts






R-CAC Area Security Posts


SITE LOCATION PLAN

Washington, D.C.


WARNING:

CHANCERY

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CCAC

SCAC

RCAC

MCAC

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RANGERS

BUILDING

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Elevated

Tower

Demolish

existing

Guard

Booths

x 4

Guard

Booths

x 4

Elevated

Tower

Semi-permanent

Guard

Booth

x 4

Elevated

Tower

x 2

Guard

Booth

x 4

Elevated

Tower

Guard

Booth

x 2

at

sultanabad

side

Washington, D.C.


WARNING:

1. Red oxide (3099) paint is used for primer

coating on all steel sections, pipes & plates.

2. Enamel paint (0032) is used for finishing.

BASE FLOOR PLAN GUARD TOWER FLOOR PLAN

TOWER ROOF PLAN

Washington, D.C.


WARNING:




STEP DETAIL

MS LANDING DETAIL

STAIR DETAIL

Washington, D.C.


WARNING:




ELEVATION-A

Washington, D.C.


WARNING:




SECTION-B

TOWER FLOOR PLAN

Washington, D.C.


WARNING:




TOWER ROOF PLAN

STEP DETAIL

STAIR DETAIL

FRONT ELEVATION SECTION

Washington, D.C.


WARNING:




electrical sow - u.s. embassy and consulates in pakistan · electrical sow: 1. all panels and...

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