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Electrical

1. The document provides notes and specifications for the electrical system of a building project. It includes details on site surveying, safety equipment, outlet placement, conduit sizes and locations, cable types and sizes, and earthing diagrams. 2. Specifications are given for switch, outlet, and conduit placements. Cable and conduit sizes are provided for different applications. 3. Diagrams show the earthing system and lightning protection arrangements, including grounding electrodes, connections, and air terminals.

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domes
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0% found this document useful (0 votes)
26 views7 pages

Electrical

1. The document provides notes and specifications for the electrical system of a building project. It includes details on site surveying, safety equipment, outlet placement, conduit sizes and locations, cable types and sizes, and earthing diagrams. 2. Specifications are given for switch, outlet, and conduit placements. Cable and conduit sizes are provided for different applications. 3. Diagrams show the earthing system and lightning protection arrangements, including grounding electrodes, connections, and air terminals.

Uploaded by

domes
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as PDF, TXT or read online on Scribd
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LEGEND:

E-01
NOTES ON ELECTRICAL SYSTEM : NOTES:-
1. TELEPHONE CONDUIT SHALL BE EXPOSED OVER
01. THE CONTRACTOR HAS TO SURVEY THE SITE PROPERLY BEFORE EXECUTION. FALSE CEILING AND CONCEALED IN WALL
HE HAS TO INFORM THE CONSULTANT ABOUT ANY DISCRIPENCIES.
2. COMPUTER DATA CABLE CONDUIT SHALL BE EXPOSED
02. THE CONTRACTOR HAS TO KEEP ALL SAFETY EQUIPMENT AT
OVER FALSE CEILING AND CONCEALED IN WALL
SITE FOR LABOUR AND ALL MATERIALS AND CONSTRUCTION WORK.
03. ALL SWITCH SHALL BE FLUSH TO WALL AT 1050 mm 3. FIRE DETECTION ALARM CONDUIT
FROM FL. UNLESS OTHERWISE SPECIFIED. SHALL BE CONCALED IN CEILING

04. ALL POWER OUTLETS SHALL BE AT 200mm 4. FIRE LIGHT & TOILET CONDUIT SHALL BE CONCEALED
FROM FLOOR UNLESS OTHERWISE SPECIFIED.
5. ALL SOCKET CONDUIT SHALL BE EXPOSED OVER
05. SPACING BETWEEN POWER CABLE, ANTENNA ETC. SHALL BE MIN. 225 MM. FALSE CEILING AND CONCEALED IN WALL
06. ALL CONDUIT SHALL BE WATER GRADE AS APPROVED BY THE CONSULTANT.
07. CABLE SHALL BE RED, YELLOW, BLUE FOR PHASE AND BLACK FOR NEUTRAL.
ELECTRICAL CABLE & CONDUIT SIZE:
INTERMEDIATE CABLE JOINT SHALL NOT BE PERMITTED.
PVC : FIXTURE CABLE CONDUIT
08. MINIMUM SIZE OF THE CABLE SHALL NOT BE LESS THAN 1.5 mm SQ.
Light , Fan & 2pin Power 1.3/1.5 rm Cable 3/4" Water Grade
09. VERTICAL/HORIZONTAL CONDUIT IN WALL SHALL BE
CONCEALED AND SADDLED PROPERLY. 3 pin Power 2.5 rm Cable 3/4" Water Grade
10. INSULATED ECC SHALL BE PROVIDED UPTO ALL AC Power 4 rm Cable 1" Water Grade
FITTINGS WHETHER SPECIFIED IT OR NOT.
TV/DISH 6RG 1" Water Grade
11. ALL CONDUIT SHALL BE 2MM THICK IF NOT SPECIFIED.
12. UNLESS SPECIFIED CABLE SHALL NOT BE EXPOSED. SDB TO SB 2.5 RM BYA
13. CONTINUITY OF THE CABLE SHALL BE CHECKED BEFORE FIXING.
SDB TO MDB 10 RM BYA
14. PVC CONDUIT JOINT SHALL BE DONE BY SOLVENT CEMENT
OR STANDARD GLUE AS APPROVED BY THE CONSULTANT

E-02
ELECTRICAL EARTHING SINGLE LINE DIAGRAM

LIFTING HOOK 1/2" DIA HOLE FOR FIXING


THE THE BRASS PLATE BASE
PLASTER
1.5"Ø DIA G.I PIPE WITH BOLTS IN SIDE C.C.C AS TIN 3"x5"x3/8" BRASS
R.C.C SLAB PLATE BASS

4"
10" 1'-3" 10" 1"Ø DIA G.I pipe
A A

10"
BRICK WALL
COPPER CLAMP
1'-3" B B PARAPAT WALL

1'-3"
TO MDB 3/4"Ø DIA G.I. PIPE

1¼" 13 4" 13 4" 1¼"


A A B B Bend
10"

4 SWG HDBC WIRE 5"

3"
EARTHING LEAD 8 SWG HDBC
3" C.C
PLAN (EARTHING) 3/8"Ø DIA HOLE ACCROSS THE PIPE
@ 1'-0" C/C
AIR TERMINAL PLAN (ARRESTED)

1.5"Ø DIA G.I PIPE, LENGTH = 100'-0"


1.5"Ø G.I PIPE

WASHER SECTION: A-A (EARTHING) 13 3


4"X 8" DIA BRASS
NUT & BULT FOR
COPPER LUG FIXING HDBC

EARTHING LEAD 2'-9" LONG AIR TERMINAL

½" DIA BRASS ROD

2'-9"
WASHER 1"
2'-9" LONG AIR TERMINAL
WELDED
½" DIA BRASS ROD 8 SWG HDBC
NUT AND BOLT PARAPAT WALL
½" DIA HOLE
WELDEDWIRE MESH ( 24 GAUGE )
3"X5"X3/8" BRASS PLATE

3½"
COPPER CLAMP 6" LONG BOLT
3" 13

8"
4" LONG BRESS BOLT

3
PLAN OVER SECTION: B-B (EARTHING) 2½"
8"
3

5"
HOLE FOR FIXING THE
BASE WITH NUT BOLTS
SECTION A-A PARAPAT WALL

PIPE EARTHING LIGHTNING ARRESTED DETAILS

E-03
FROM PDB

CL
CL

AC split
PS
SB

CF
WL TL
CF
48"
WL
48"
TV
CF

AC split
PS RS PS
TL
SB SB ETL
PS 48"
EX SB

SB
PS
ML TV
CL RS

ETL SDB
PS ML EX
SB
SB
PS
CF CF SB
TL
PS
WL
48" 48"
PS

RS SB
CL
PS
SB WL

SB
TL
PS
WL
SB
PB FR RS

RS
SB CF
TL
PS
D. FR WL
TL 48"

WL
WL

EX

Electrical fixture point conduit


for ground floor plan.

E-04
CL
CL

AC split
PS
SB

CF
WL TL
CF
48"
WL
48"
TV
CF

AC split
PS RS PS
TL
SB SB ETL
PS 48"
EX SB

SB
PS
ML TV
RS

CL
ETL SDB
PS ML EX
SB
SB
PS
CF CF SB
TL
PS
WL
48" 48"
PS

RS SB
CL
PS
SB WL

SB
TL
PS
WL
SB
PB FR RS

RS
SB CF
TL
PS
D. FR WL
TL 48"

WL
WL

EX

Electrical fixture for (sb & 3pin power) conduit for


(ground floor plan)

E-04
CL
CL

AC split
PS
SB

CF
WL TL
CF
48"
WL
48"
TV
CF

AC split
PS RS PS
TL
SB SB ETL
PS 48"
EX SB

SB
PS
ML TV
CL RS

ETL SDB
PS ML EX
SB
SB
PS
CF CF SB
TL
PS
WL
48" 48"
PS

RS SB
CL
PS
SB WL

SB
TL
PS
WL
SB
PB FR RS

RS
SB CF
TL
PS
D. FR WL
TL 48"

WL
WL

EX

Electrical ac power conduit for


(ground floor plan)

E-04
7"
CL
CL

3'-10"
5'-7"
AC split
PS
2'-11"
SB

CF
6'-7" WL TL
CF
48" 7'-3"
WL
48"

3'-9"
TV
CF

5"10"

AC split
PS RS PS 6'-8"
TL
SB SB ETL
PS 48"
7'-1"
SB

6'-1"
EX

5'-1"
4'-11"

4'-7"

3'-7"
PS 5'-3"
ML TV

1'-4"
SB CL RS 4'-9"
7'-3"

SDB

1'-7"
ETL 4'-7"
PS ML

6'-7"
EX
SB

3'-4"
SB
PS 5'-2"
CF TL CF SB
6'-7" 7'-3"
PS

5'-3"
48" 48"
PS
WL 3'-3"

6'-1"
6'-0"

RS SB

4'-1"
1'-5" 1'-0"
CL
PS
SB WL

4'-6" SB
TL
PS
3'-5"
WL

4'-5"
SB
PB FR RS
8"

3"
RS
TL 3" SB 5'-10" CF
PS 6'-7"
D. FR WL
TL 48"

5'-8"
WL
WL

EX

Ceiling fan location for


(ground floor plan)

E-04

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