Attachment 2 - ELETRICAL DRAWINGS.pdf
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- Attached to
- SOLICITATION AMENDMENT - 19N15026R0374-0001
- Solicitation number
- 19N15026Q0001
- Issued by
-
Department of State
About this file
This is an electrical services drawing package for a proposed residential development at 2 Bells Apartment in Lagos, Nigeria. The drawings were prepared by Topklan Engineering Services dated October 2025 with a drawing date of February 12, 2025.
The electrical design includes a 100-ampere three-phase distribution system with two main distribution boards (DB-GA and DB-GB) serving ground and first floor units respectively. Lighting circuits are wired using 3x1.5mmsq SC PVC cable with 10-ampere MCB protection. Power circuits utilize 13-ampere socket outlets wired in ring mains with 3x2.5mmsq SC PVC cable and 30-ampere MCB protection. Air conditioning and 15-ampere socket circuits use 3x4mmsq SC PVC cable with 20-ampere MCB protection. Cooker control circuits are wired with 3x6mmsq SC PVC cable and 30-ampere MCB protection. Water heater circuits are radial configurations using 3x2.5mmsq SC PVC cable with 20-ampere MCB protection. The design incorporates lighting layouts for ground and first floors with various LED fixtures including recessed downlights, ceiling-mounted lights, strip lighting, and pendant mounts. Power layouts show extensive socket outlet distribution with GFCI protection in wet areas and weatherproof sockets in external locations. Mechanical systems include HVAC units and extractor fans distributed throughout both floors. Fire alarm systems include smoke detectors, heat detectors, and carbon monoxide alarms. Earthing and bonding systems utilize 70 square-millimeter copper conductors with copper-clad steel grounding rods achieving less than one ohm resistance, incorporating lightning protection air terminals and down conductors.
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Text version
PROPOSED RESIDENTIAL DEVELOPMENT
FOR
2 BELLS APARTMENT
ELECTRICAL SERVICES DRAWING
02-12-2025
MECHANICAL, ELECTRICAL AND ELECTRONICS
ENGINEERING
292, Murtala Muhammed Way, Alagomeji, Yaba, Lagos Tel: 09030867276 Email: topklanprojects@topklan.com
S D
H D s gG rid s
W P
.1
GENERAL NOTE
1). LIGHTING CIRCUIT SHALL BE WIRED
USING 3 x 1.5mmsq SC PVC CABLE AND BE
PROTECTED IN CIRCUIT WITH THE 10A
MCB EXCEPT WHERE STATED OTHERWISE
2). 13A S.S.0 SHALL BE WIRED IN THE RING
MAINS USING 3x2.5mmsq SC PVC CABLE
AND BE PROTECTED IN CIRCUIT WITH 30A
MCB EXCEPT WHERE STATED OTHERWISE
3). A/C & 15A S.S.O SHALL BE WIRED
USING 3x4mmsq SC PVC CABLE AND BE
PROTECTED IN CIRCUIT WITH 20A MCB
EXCEPT WHERE STATED OTHERWISE.
4). COOKER CONTROL CCT SHALL BE
WIRED USING 3x6mmsq. SC PVC CABLE
AND BE PROTECTED IN CIRCUIT WITH 30A
MCB EXCEPT WHERE STATED
OTHERWISE.
5). WATER HEATER CIRCUIT TO BE WIRED
IN RADIAL USING 3x2.5mmsq SC PVC CABLE
AND BE PROTECTED IN CIRCUIT WITH 20A
MCB.
6). SAMPLES OF THE MATERIALS AND
EQUIPMENT SHALL BE APPROVED BY THE
ENGINEERS BEFORE FINAL
PROCUREMENT AND INSTALLATION.
7). ELECTRIC MANHOLE TO BE
300x300x300mm EXCEPT WHERE STATED
OTHERWISE.
8). TELECOMS MANHOLE TO BE
300x300x300mm EXCEPT WHERE STATED
OTHERWISE.
9). THE ABOVE MANHOLE ARE TO BE CO-
ORDINATED WITH THOSE FOR
ELECTRICAL SERVICES.
10). ALL TELECOMMUNICATIONS CONDUIT
WIREWAYS SHALL BE INSTALLED USING
25mm uPVC EXCEPT WHERE STATED
OTHERWISE.
11). TELEPHONE WIREWAYS SHALL BE
PROVIDED WITH NYLON FABRIC DRAW -
WIRES
12). CONDUITING TRUNKING AND DUCTING
SHALL BE ARRANGED TO PRESENT A
NEAT APPEARANCE, THEY SHALL BE
PARALLEL WITH OTHER SERVICE RUNS
AND WITH THE LINES OF THE BUILDING
CONSTRUCTION.
13). A SET OF ALL RECENT DRAWINGS
MUST BE AVAILABLE ON SITE AT ALL
TIMES
14). CONSULTANTS ENGINEERS TO BE
CONTACTED FOR INSTALLATION LEVELS
OF ACCESSORIES
SMOKE DETECTOR
HEAT DETECTOR
FIRE ALARM SYSTEM
DESCRIPTIONSSYMBOL
Carbon monoxide alarm
13A SP 2 GANG SWITCH SOCKET
DESCRIPTION
POWER
SYMBOLS
ISOLATOR
DISTRIBUTION BOARD
COOKER CONTROL UNIT
GRID-SWITCH
15A RADIAL SOCKET
SHAVER SOCKET
13A SP 1 GANG SWITCHED
SOCKET OUTLET FOR COOKER HOOD
13A SP 2 GANG WEATHERPROOF
SOCKET
OUTLET
GFCI
13A SP 2 GANG SWITCH SOCKET
GFCI OUTLET
GFCI
LIGHTING
DESCRIPTIONSYMBOLS
5" ROUND RECESSED 15W
DOWNLIGHT
IROLL 65 CEILING MOUNTED Ø78MM (1 X
LED, 500 LM, 4000K) FOR TERRACES
LASER BLADE 2-CELLS LED LIGHT
FOR BEDROOMS AND KITCHEN/DINING
LEDSTRIP LIGHT - 12V L=5000MM - 3000K
FOR BATHROOM RECESS AND MIRROR LIGHT
10W LED ROUND DOWNLIGHT FOR
TOILETS
150W WALL MOUNTED FLOOD LIGHT
Lighting-Pendant_Mount-Tech_Lighting-Kai 1 for dining room
UP AND DOWN WALL LIGHT FOR GREEN
AREA
15W LED CEILING/WALL ROUND FITTING
FOR STAIR AND LIFT LIGHTING
10A ONE GAND LIGHTING SWITCH
10A TWO GAND LIGHTING SWITCH
10A THREE GAND LIGHTING SWITCH
D R A W I N G T I T L E
DRAWN BY CHECKED BY APPROVED BY
SCALE
DATE
FILE REF
DRAWING NUMBER REVISION
Mechanical, Electrical & Electronics Engineers 292, Murtala Muhammed Way Alagomeji, Yaba, Lagos.
Tel: 09030867276 Email: topklanprojects@topklan.com
ENGINEERS:
PROPOSED RESIDENTIAL DEVELOPMENT
FOR
2-BELLS APARTMENT
PROJECTS:
PROJECT ARCHITECT..
G E N E R A L N O T E S
1. SEE DWG. No. TES502/E001 FOR
LEGEND & GENERAL NOTES.
2. CONSULTANT ENGINEERS TO BE
NOTIFIED OF ANY DISCREPANCIES
BETWEEN THIS DRAWING AND THOSE
BY OTHERS
1 : 125
ELECTRICAL SERVICES LEGENDS
TES 502
OCTOBER, 2025
D.O W.O
E001
S.K
No. Description Date
RATED BUSBAR
100A TPN
100A TPN FLOOR MOUNTED CUBICLE
RATED BUSBAR AND 100A TPN MCCB
TYPE MDB COMPRISING OF 100A
INCOMER.
FROM EXISTING INFRASTRUCTURE
25mmsq. 4C PVC/PVC COPPER CABLE
+ 16mmsq SC PVC ECC CABLE
6mmsq. 3C PVC/PVC
COPPER CABLE
EARTH.
TPN
100A
MCCB
SPN
10A
MCB
S P
A R
E
SPN
32A
MCB
S P
A R
E
S P
A R
E
SPN
MCB
20A
SPN
MCB
SPN
MCB
20A32A
SPN
MCB
32A
3x 2.5mmsq 3C PVC/PVC
COPPER CABLE
SPN
MCB
D B
G A
-1
LI
G
H T
IN
G
C C
T
10A
SPN
MCB
10A
SPN
MCB
32A
SPN
MCB
10A
SPN
MCB
10A
SPN
MCB
32A
SPN
MCB
45A
SPN
MCB
20A
SPN
MCB
32A
SPN
MCB
20A
SPN
MCB
32A
SPN
MCB
32A
SPN
MCB
20A
SPN
MCB
32A
TPN
MCCB
32A
TPN
MCCB
32A
LI
G
H T
IN
G
C C
T
LI
G
H T
IN
G
C C
T
3x 1.5mmsq 3C PVC/PVC
COPPER CABLE
LI
G
H T
IN
G
C C
T
D B
G A
-2
D B
G A
-3
D B
G A
-4
C O
O K
E R
H O
O D
C C
T D
B G
A -5
S O
C K
E T
C C
T D
B G
A -6
C E
N T
R A
L W
A T
E R
H E
A T
E R
C C
T D
B G
A -7
S O
C K
E T
C C
T D
B G
A -8
S O
C K
E T
C C
T D
B G
A -9
C O
O K
E R
C O
N T
R O
L U
N
IT
C C
T D
B G
A -1
H V
A C
C C
T D
B G
A -1
S O
C K
E T
C C
T D
B G
A -1
S O
C K
E T
C C
T D
B G
A -1
H V
A C
C C
T D
B G
A -1
D B
G A
-1
S O
C K
E T
C C
T
D B
G A
-1
H V
A C
C C
T
D B
G A
-1
S O
C K
E T
C C
T
D B
F
F -A
A
T P
N
-W A
Y S
SPN
MCB
32A
D B
G A
-1
S O
C K
E T
C C
T
A
T P
N R
A T
E D
I S
O
LA
T O
R
F O
R P
U M
P
6mmsq. 3C PVC/PVC
COPPER CABLE
10mmsq 4C PVC/PVC
COPPER CABLE +
10mmsq SC PVC
ECC CABLE
DB- GA- 100A 10-WAYS TPN
SPN
MCB
32A
D B
G A
-1
S O
C K
E T
C C
T
D R A W I N G T I T L E
DRAWN BY CHECKED BY APPROVED BY
SCALE
DATE
FILE REF
DRAWING NUMBER REVISION
Mechanical, Electrical & Electronics Engineers 292, Murtala Muhammed Way Alagomeji, Yaba, Lagos.
Tel: 09030867276 Email: topklanprojects@topklan.com
ENGINEERS:
PROPOSED RESIDENTIAL DEVELOPMENT
FOR
2-BELLS APARTMENT
PROJECTS:
PROJECT ARCHITECT..
G E N E R A L N O T E S
1. SEE DWG. No. TES502/E001 FOR
LEGEND & GENERAL NOTES.
2. CONSULTANT ENGINEERS TO BE
NOTIFIED OF ANY DISCREPANCIES
BETWEEN THIS DRAWING AND THOSE
BY OTHERS
1 : 450
DB- GA ELECTRICAL SCHEMATICS
DETAIL
TES 502
OCTOBER, 2025
D.O W.O
E001A
S.K
1 : 450
DB- GA ELECTRICAL SCHEMATICS DETAIL
RATED BUSBAR
100A TPN
100A TPN FLOOR MOUNTED CUBICLE
RATED BUSBAR AND 100A TPN MCCB
TYPE MDB COMPRISING OF 100A
INCOMER.
FROM EXISTING INFRASTRUCTURE
25mmsq. 4C PVC/PVC COPPER CABLE
+ 16mmsq SC PVC ECC CABLE
6mmsq. 3C PVC/PVC
COPPER CABLE
EARTH.
TPN
100A
MCCB
SPN
10A
MCB
S P
A R
E
SPN
32A
MCB
S P
A R
E
S P
A R
E
SPN
MCB
20A
SPN
MCB
SPN
MCB
20A32A
SPN
MCB
20A
3x 2.5mmsq 3C PVC/PVC
COPPER CABLE
SPN
MCB
D B
G B
-1
C O
O K
E R
H O
O D
C C
T
32A
SPN
MCB
10A
SPN
MCB
10A
SPN
MCB
10A
SPN
MCB
10A
SPN
MCB
32A
SPN
MCB
45A
SPN
MCB
32A
SPN
MCB
32A
SPN
MCB
32A
SPN
MCB
45A
SPN
MCB
32A
SPN
MCB
32A
TPN
MCCB
32A
TPN
MCCB
32A
LI
G
H T
IN
G
C C
T
LI
G
H T
IN
G
C C
T
3x 1.5mmsq 3C PVC/PVC
COPPER CABLE
LI
G
H T
IN
G
C C
T
D B
G B
-2
D B
G B
-3
D B
G B
-4
LI
G
H T
IN
G
C C
T D
B G
B -5
S O
C K
E T
C C
T D
B G
B -6
H V
A C
C C
T D
B G
B -7
S O
C K
E T
C C
T D
B G
B -8
H V
A C
C C
T D
B G
B -9
H V
A C
C C
T D
B G
B -1
S O
C K
E T
C C
T D
B G
B -1
C E
N T
R A
L W
A T
E R
H E
A T
E R
C C
T D
B G
B -1
C O
O K
E R
C O
N T
R O
L U
N
IT
C C
T D
B G
B -1
S O
C K
E T
C C
T D
B G
B -1
D B
G B
-1
S O
C K
E T
C C
T
D B
G B
-1
S O
C K
E T
C C
T
D B
F
F -B
A
T P
N
-W A
Y S
SPN
MCB
32A
D B
G B
-2
S O
C K
E T
C C
T
A
T P
N R
A T
E D
I S
O
LA
T O
R
F O
R P
U M
P
6mmsq. 3C PVC/PVC
COPPER CABLE
10mmsq 4C PVC/PVC
COPPER CABLE +
10mmsq SC PVC
ECC CABLE
DB- GB- 100A 10-WAYS TPN
SPN
MCB
32A
D B
G B
-1
S O
C K
E T
C C
T
SPN
MCB
32A
D B
G B
-2
S O
C K
E T
C C
T
D R A W I N G T I T L E
DRAWN BY CHECKED BY APPROVED BY
SCALE
DATE
FILE REF
DRAWING NUMBER REVISION
Mechanical, Electrical & Electronics Engineers 292, Murtala Muhammed Way Alagomeji, Yaba, Lagos.
Tel: 09030867276 Email: topklanprojects@topklan.com
ENGINEERS:
PROPOSED RESIDENTIAL DEVELOPMENT
FOR
2-BELLS APARTMENT
PROJECTS:
PROJECT ARCHITECT..
G E N E R A L N O T E S
1. SEE DWG. No. TES502/E001 FOR
LEGEND & GENERAL NOTES.
2. CONSULTANT ENGINEERS TO BE
NOTIFIED OF ANY DISCREPANCIES
BETWEEN THIS DRAWING AND THOSE
BY OTHERS
1 : 450
DB- GB ELECTRICAL SCHEMATICS
DETAIL
TES 502
OCTOBER, 2025
Author Checker
E002
Approver
1 : 450
DB- GB ELECTRICAL SCHEMATICS DETAIL
D R A W I N G T I T L E
DRAWN BY CHECKED BY APPROVED BY
SCALE
DATE
FILE REF
DRAWING NUMBER REVISION
Mechanical, Electrical & Electronics Engineers 292, Murtala Muhammed Way Alagomeji, Yaba, Lagos.
Tel: 09030867276 Email: topklanprojects@topklan.com
ENGINEERS:
PROPOSED RESIDENTIAL DEVELOPMENT
FOR
2-BELLS APARTMENT
PROJECTS:
PROJECT ARCHITECT..
G E N E R A L N O T E S
1. SEE DWG. No. TES502/E001 FOR
LEGEND & GENERAL NOTES.
2. CONSULTANT ENGINEERS TO BE
NOTIFIED OF ANY DISCREPANCIES
BETWEEN THIS DRAWING AND THOSE
BY OTHERS
ELECTRICAL DISTRIBUTION
SCHEDULE
TES 502
OCTOBER, 2025
D.O W.O
E002A
S.K
Notes:
PUMP 1500 VA 50.00% 750 VA
Lighting 959 VA 80.00% 767 VA Total Est. Demand: 38 A
Receptacle 20273 VA 66.00% 13380 VA Total Conn.: 57 A
Other 4616 VA 50.00% 2308 VA Total Est. Demand: 26627 VA
HVAC 11000 VA 80.00% 8800 VA Total Conn. Load: 39455 VA
Cooling 125 VA 80.00% 100 VA
Load Classification Connected Load Demand Factor Estimated Demand Panel Totals
Legend:
Total... 66 A 57 A 51 A
Total... 15046 VA 12861 VA 11690 VA
DB-GA-29 -- -- -- 500 VA DB-GA-30
DB-GA-27 -- -- -- 500 VA DB-GA-28
DB-GA-25 PUMP 32 A 3 500 VA DB-GA-26
DB-GA-23 4948 VA -- -- -- DB-GA-24
DB-GA-21 5367 VA -- -- -- DB-GA-22
DB-GA-19 Socket 32 A 1 700 VA 5162 VA 3 32 A FF-A DB-GA-20
DB-GA-17 Socket 32 A 1 1600 VA 1200 VA 1 32 A Socket DB-GA-18
DB-GA-15 Socket 32 A 1 700 VA 1500 VA 1 20 A HVAC DB-GA-16
DB-GA-13 HVAC 20 A 1 2000 VA 700 VA 1 32 A Socket DB-GA-14
DB-GA-11 HVAC 20 A 1 1500 VA 1600 VA 1 32 A Socket DB-GA-12
DB-GA-9 Socket 32 A 1 2291 VA 2500 VA 1 45 A Cooker Control Unit DB-GA-10
DB-GA-7 CENTRAL WATERHEATER 20 A 1 4500 VA 1539 VA 1 32 A Socket DB-GA-8
DB-GA-5 Cookerhood 32 A 1 100 VA 500 VA 1 32 A Socket DB-GA-6
DB-GA-3 Lighting 10 A 1 169 VA 169 VA 1 10 A Lighting DB-GA-4
DB-GA-1 Lighting 10 A 1 132 VA 158 VA 1 10 A Lighting DB-GA-2
CKT Circuit Description Trip Pol es
A B C A B C Pol es Trip Circuit Description CKT
Notes:
Enclosure: Type 1 MCB Rating: 100 A
Mounting: Recessed Wires: 4 Mains Rating: 100 A
Supply From: Phases: 3 Mains Type:
Location: LAUN. G14 Volts: 230/400 Wye A.I.C. Rating:
Branch Panel: DB-GA
SCALE
DATE
FILE REF
DRAWING NUMBER REVISION
Mechanical, Electrical & Electronics Engineers 292, Murtala Muhammed Way, Alagomeji, Yaba, Lagos.
Tel: 09030867276, 08023599742 Email: topklanprojects@topklan.com
ENGINEERS:
PROPOSED RESIDENTIAL DEVELOPMENT
FOR
2-BELLS APARTMENT
PROJECTS:
PROJECT ARCHITECT..
G E N E R A L N O T E S
1. SEE DWG. No. TES502/E001 FOR
LEGEND & GENERAL NOTES.
2. CONSULTANT ENGINEERS TO BE
NOTIFIED OF ANY DISCREPANCIES
BETWEEN THIS DRAWING AND THOSE
BY OTHERS
ELECTRICAL DISTRIBUTION
SCHEDULE
TES 502
OCTOBER, 2025
D.O W.O
E002B
S.K
No. Description Date
Notes:
Lighting 483 VA 80.00% 386 VA Total Est. Demand: 16 A
Receptacle 9400 VA 66.00% 6204 VA Total Conn.: 22 A
Other 30 VA 50.00% 15 VA Total Est. Demand: 10886 VA
HVAC 6000 VA 80.00% 4800 VA Total Conn. Load: 15209 VA
Cooling 63 VA 80.00% 50 VA
Load Classification Connected Load Demand Factor Estimated Demand Panel Totals
Legend:
Total... 23 A 23 A 22 A
Total... 5162 VA 5367 VA 4948 VA
FF-A-11 FF-A-12
FF-A-9 Receptacle 20 A 1 1600 VA FF-A-10
FF-A-7 Receptacle 32 A 1 1800 VA 2800 VA 1 32 A Receptacle FF-A-8
FF-A-5 HVAC 20 A 1 2000 VA 3200 VA 1 32 A Receptacle FF-A-6
FF-A-3 HVAC 20 A 1 2000 VA 2000 VA 1 20 A HVAC FF-A-4
FF-A-1 Lighting 10 A 1 358 VA 209 VA 1 10 A Lighting FF-A-2
CKT Circuit Description Trip Pol es
A B C A B C Pol es Trip Circuit Description CKT
Notes:
Enclosure: Type 1 MCB Rating: 32 A
Mounting: Recessed Wires: 4 Mains Rating: 32 A
Supply From: DB-GA Phases: 3 Mains Type:
Location: LOBBY 101 Volts: 230/400 Wye A.I.C. Rating:
Branch Panel: FF-A
SCALE
DATE
FILE REF
DRAWING NUMBER REVISION
Mechanical, Electrical & Electronics Engineers 292, Murtala Muhammed Way, Alagomeji, Yaba, Lagos.
Tel: 09030867276, 08023599742 Email: topklanprojects@topklan.com
ENGINEERS:
PROPOSED RESIDENTIAL DEVELOPMENT
FOR
2-BELLS APARTMENT
PROJECTS:
PROJECT ARCHITECT..
G E N E R A L N O T E S
1. SEE DWG. No. TES502/E001 FOR
LEGEND & GENERAL NOTES.
2. CONSULTANT ENGINEERS TO BE
NOTIFIED OF ANY DISCREPANCIES
BETWEEN THIS DRAWING AND THOSE
BY OTHERS
ELECTRICAL DISTRIBUTION
SCHEDULE
TES 502
OCTOBER, 2025
D.O W.O
E002C
S.K
No. Description Date
Notes:
PUMP 1500 VA 50.00% 750 VA
Lighting 1104 VA 80.00% 884 VA Total Est. Demand: 44 A
Receptacle 23171 VA 66.00% 15293 VA Total Conn.: 65 A
Other 4692 VA 50.00% 2346 VA Total Est. Demand: 30495 VA
HVAC 13500 VA 80.00% 10800 VA Total Conn. Load: 44799 VA
Cooling 157 VA 80.00% 125 VA
Load Classification Connected Load Demand Factor Estimated Demand Panel Totals
Legend:
Total... 58 A 69 A 71 A
Total... 13434 VA 15575 VA 16060 VA
DB-GB-29 DB-GB-30
DB-GB-27 DB-GB-28
DB-GB-25 500 VA -- -- -- DB-GB-26
DB-GB-23 Socket 32 A 1 1200 VA 500 VA -- -- -- DB-GB-24
DB-GB-21 -- -- -- 8065 VA 500 VA 3 20 A PUMP DB-GB-22
DB-GB-19 -- -- -- 5049 VA 700 VA 1 32 A Socket DB-GB-20
DB-GB-17 FF-B 32 A 3 7025 VA 700 VA 1 32 A Socket DB-GB-18
DB-GB-15 Socket 32 A 1 2291 VA 700 VA 1 32 A Socket DB-GB-16
DB-GB-13 Socket 32 A 1 1600 VA 2500 VA 1 45 A Cooker Control Unit DB-GB-14
DB-GB-11 Socket 32 A 1 1539 VA 4500 VA 1 32 A CENTRAL WATERHEATER DB-GB-12
DB-GB-9 HVAC 20 A 1 2000 VA 2000 VA 1 20 A HVAC DB-GB-10
DB-GB-7 HVAC 20 A 1 1500 VA 1600 VA 1 32 A Socket DB-GB-8
DB-GB-5 Lighting 10 A 1 158 VA 500 VA 1 32 A Socket DB-GB-6
DB-GB-3 Lighting 10 A 1 132 VA 169 VA 1 10 A Lighting DB-GB-4
DB-GB-1 Cookerhood 32 A 1 100 VA 169 VA 1 10 A Lighting DB-GB-2
CKT Circuit Description Trip Pol es
A B C A B C Pol es Trip Circuit Description CKT
Notes:
Enclosure: Type 1 MCB Rating: 100 A
Mounting: Recessed Wires: 4 Mains Rating: 100 A
Supply From: Phases: 3 Mains Type:
Location: LAUN. 169 Volts: 230/400 Wye A.I.C. Rating:
Branch Panel: DB-GB
SCALE
DATE
FILE REF
DRAWING NUMBER REVISION
Mechanical, Electrical & Electronics Engineers 292, Murtala Muhammed Way, Alagomeji, Yaba, Lagos.
Tel: 09030867276, 08023599742 Email: topklanprojects@topklan.com
ENGINEERS:
PROPOSED RESIDENTIAL DEVELOPMENT
FOR
2-BELLS APARTMENT
PROJECTS:
PROJECT ARCHITECT..
G E N E R A L N O T E S
1. SEE DWG. No. TES502/E001 FOR
LEGEND & GENERAL NOTES.
2. CONSULTANT ENGINEERS TO BE
NOTIFIED OF ANY DISCREPANCIES
BETWEEN THIS DRAWING AND THOSE
BY OTHERS
ELECTRICAL DISTRIBUTION
SCHEDULE
TES 502
OCTOBER, 2025
D.O W.O
E002D
S.K
No. Description Date
Notes:
Lighting 628 VA 80.00% 502 VA Total Est. Demand: 21 A
Receptacle 12300 VA 66.00% 8118 VA Total Conn.: 29 A
Other 105 VA 50.00% 53 VA Total Est. Demand: 14393 VA
HVAC 8000 VA 80.00% 6400 VA Total Conn. Load: 20109 VA
Cooling 94 VA 80.00% 75 VA
Load Classification Connected Load Demand Factor Estimated Demand Panel Totals
Legend:
Total... 32 A 22 A 36 A
Total... 7025 VA 5049 VA 8065 VA
FF-B-11 HVAC 20 A 1 2000 VA 1600 VA 1 20 A Receptacle FF-B-12
FF-B-9 Receptacle 32 A 1 2800 VA 2000 VA 1 20 A HVAC FF-B-10
FF-B-7 Receptacle 32 A 1 3200 VA 2000 VA 1 20 A HVAC FF-B-8
FF-B-5 Receptacle 32 A 1 2900 VA 2000 VA 1 20 A HVAC FF-B-6
FF-B-3 Lighting 10 A 1 287 VA 209 VA 1 10 A Lighting FF-B-4
FF-B-1 Lighting 10 A 1 318 VA 1800 VA 1 32 A Receptacle FF-B-2
CKT Circuit Description Trip Pol es
A B C A B C Pol es Trip Circuit Description CKT
Notes:
Enclosure: Type 1 MCB Rating: 32 A
Mounting: Recessed Wires: 4 Mains Rating: 32 A
Supply From: DB-GB Phases: 3 Mains Type:
Location: LOBBY 115 Volts: 230/400 Wye A.I.C. Rating:
Branch Panel: FF-B
43 m²
LIVING ROOM
G04
26 m²
KITCHEN/DINING
G11/G13
3 m²
LAUN.
G14
3 m²
V.TOI.
G10
19 m²
COURTYARD
G06
20 m²
GARAGE
G01
20 m²
GARAGE
G15 Not Enclosed
COURTYARD
G20
43 m²
LIVING ROOM
G18
3 m²
V.TOI.
3 m²
LAUN.
26 m²
KITCHEN/DINING
G24/G26
W A
TE
R
H
EA
TE
R
W A
T
ER
1 m²
STORE
W A
SH
E
R
YE
R
W A
SH
ER
RY
ER
DW
DW
2 m²
STORE
2 m²
STORE
2 m²
STORE
G09
2 m²
STORE
G21
1 m²
CLOSET
1 m²
CLOSET
DB-GA-2
DB-GB-5
DB-GA-3
DB-GB-2
DB-GB-5
DB-GA-2
DB-GB-5
D R A W I N G T I T L E
DRAWN BY CHECKED BY APPROVED BY
SCALE
DATE
FILE REF
DRAWING NUMBER REVISION
Mechanical, Electrical & Electronics Engineers 292, Murtala Muhammed Way, Alagomeji, Yaba, Lagos.
Tel: 09030867276, 08023599742 Email: topklanprojects@topklan.com
ENGINEERS:
PROPOSED RESIDENTIAL DEVELOPMENT
FOR
2-BELLS APARTMENT
PROJECTS:
PROJECT ARCHITECT..
G E N E R A L N O T E S
1. SEE DWG. No. TES502/E001 FOR
LEGEND & GENERAL NOTES.
2. CONSULTANT ENGINEERS TO BE
NOTIFIED OF ANY DISCREPANCIES
BETWEEN THIS DRAWING AND THOSE
BY OTHERS
1 : 100
EXTERNAL LIGHTING LAYOUT
TES 502
OCTOBER, 2025
D.O W.O
E100
S.K
1 : 100
E100-EXTERNAL LIGHTING LAYOUT
No. Description Date
LED flood light , IP65 500w
External up and down wall light IP65, 12w
2 2
2 2
.1
43 m²
LIVING ROOM
G04
26 m²
KITCHEN/DINING
G11/G13
3 m²
LAUN.
G14
3 m²
V.TOI.
G10
19 m²
COURTYARD
G06
20 m²
GARAGE
G01
20 m²
GARAGE
G15 Not Enclosed
COURTYARD
G20
43 m²
LIVING ROOM
G18
3 m²
V.TOI.
3 m²
LAUN.
26 m²
KITCHEN/DINING
G24/G26
1 m²
STORE
2 m²
STORE
2 m²
STORE
2 m²
STORE
G09
2 m²
STORE
G21
1 m²
CLOSET
1 m²
CLOSET
DB-GB-3
DB-GA-1
DB-GA-4
DB-GB-4
D B
-G A
-3
DB-GA-3
DB-GA-3
DB-GB-2
D B
-G B
-2
DB-GA-3
DB-GB-2
DB-GA-1
DB-GA-1
DB-GB-3
DB-GB-3
DB-GB-3
DB-GA-1
DB-GB-4
DB-GA-4
DB-GA-4
DB-GA-4
DB-GA-4
DB-GB-4
DB-GB-4
DB-GB-4
LIGHTING
DESCRIPTIONSYMBOLS
5" ROUND RECESSED 15W
DOWNLIGHT
IROLL 65 CEILING MOUNTED Ø78MM (1 X
LED, 500 LM, 4000K) FOR TERRACES
LASER BLADE 2-CELLS LED LIGHT
FOR BEDROOMS AND KITCHEN/DINING
LEDSTRIP LIGHT - 12V L=5000MM - 3000K
FOR BATHROOM RECESS AND MIRROR LIGHT
10W LED ROUND DOWNLIGHT FOR
TOILETS
150W WALL MOUNTED FLOOD LIGHT
FOR EXTERNAL
Lighting-Pendant_Mount-Tech_Lighting-Kai 1 for dining room
UP AND DOWN WALL LIGHT FOR GREEN
AREA
15W LED CEILING/WALL ROUND FITTING
FOR STAIR AND LIFT LIGHTING
10A ONE GAND LIGHTING SWITCH
10A TWO GAND LIGHTING SWITCH
10A THREE GAND LIGHTING SWITCH
D R A W I N G T I T L E
DRAWN BY CHECKED BY APPROVED BY
SCALE
DATE
FILE REF
DRAWING NUMBER REVISION
Mechanical, Electrical & Electronics Engineers 292, Murtala Muhammed Way, Alagomeji, Yaba, Lagos.
Tel: 09030867276, 08023599742 Email: topklanprojects@topklan.com
ENGINEERS:
PROPOSED RESIDENTIAL DEVELOPMENT
FOR
2-BELLS APARTMENT
PROJECTS:
PROJECT ARCHITECT..
G E N E R A L N O T E S
1. SEE DWG. No. TES502/E001 FOR
LEGEND & GENERAL NOTES.
2. CONSULTANT ENGINEERS TO BE
NOTIFIED OF ANY DISCREPANCIES
BETWEEN THIS DRAWING AND THOSE
BY OTHERS
As indicated
GROUND FLOOR LIGHTING LAYOUT
TES 502
OCTOBER, 2025
D.O W.O
E101
S.K
1 : 100
E101-GROUND FLOOR LIGHTING LAYOUT
No. Description Date
Terrace ceiling mounted light 10.5cm H, IP 44, 6 - 12w
Ceiling reccessed spotlights IP20, 6.5w
LED strip light with frame
Led 18w recessed down light, in Polycarbonate material, white 1440lm, 4000K, IP44. Dim.: Ø280×H70mm for garage and stair hall.
Led 7w recessed adjustable down light, 700lm, 3000/4000K, IP44. Dim.:
Ø85xH57mm
.1
C
LO
SE
T
C
LO
SE
T
C
LO
SE
T
C
LO
SE
T
CLOSET
17 m²
BEDROOM
17 m²
BEDROOM
5 m²
TERRACE
5 m²
TERRACE
5 m²
TERRACE
15 m²
BEDROOM
6 m²
CLOSET
4 m²
BATH
4 m²
BATH
16 m²
BEDROOM
5 m²
TERRACE
6 m²
CLOSET
4 m²
BATH
4 m²
BATH
4 m²
BATH
17 m²
BEDROOM
5 m²
TERRACE
17 m²
BEDROOM
17 m²
BEDROOM
5 m²
TERRACE
1 m²
STORE
8 m²
LOBBY
7 m²
LOBBY
5 m²
STAIRS
5 m²
STAIRS
FF-A-1
FF-A-2
FF-A-1
FF-B-4
FF-A-1
FF-B-3
FF-B-3
FF-B-4
DB-GB-2
FF-A-1
FF-B-1
FF-A-2
FF-A-2
FF-A-2
FF-A-2
FF-A-2
FF-A-1
FF-A-1
FF-A-1
FF-A-1
FF-A-1
FF-B-3
FF-B-3
FF-B-3
FF-B-3
FF-B-4
FF-B-4
FF-B-4
FF-B-4
FF-B-1
FF-B-1
FF-B-1
FF-B-1
FF-B-1
LED strip light for bathroom wall recess
LIGHTING
DESCRIPTIONSYMBOLS
5" ROUND RECESSED 15W
DOWNLIGHT
IROLL 65 CEILING MOUNTED Ø78MM (1 X
LED, 500 LM, 4000K) FOR TERRACES
LASER BLADE 2-CELLS LED LIGHT
FOR BEDROOMS AND KITCHEN/DINING
LEDSTRIP LIGHT - 12V L=5000MM - 3000K
FOR BATHROOM RECESS AND MIRROR LIGHT
10W LED ROUND DOWNLIGHT FOR
TOILETS
150W WALL MOUNTED FLOOD LIGHT
FOR EXTERNAL
Lighting-Pendant_Mount-Tech_Lighting-Kai 1 for dining room
UP AND DOWN WALL LIGHT FOR GREEN
AREA
15W LED CEILING/WALL ROUND FITTING
FOR STAIR AND LIFT LIGHTING
10A ONE GAND LIGHTING SWITCH
10A TWO GAND LIGHTING SWITCH
10A THREE GAND LIGHTING SWITCH
D R A W I N G T I T L E
DRAWN BY CHECKED BY APPROVED BY
SCALE
DATE
FILE REF
DRAWING NUMBER REVISION
Mechanical, Electrical & Electronics Engineers 292, Murtala Muhammed Way Alagomeji, Yaba, Lagos.
Tel: 09030867276 Email: topklanprojects@topklan.com
ENGINEERS:
PROPOSED RESIDENTIAL DEVELOPMENT
FOR
2-BELLS APARTMENT
PROJECTS:
PROJECT ARCHITECT..
G E N E R A L N O T E S
1. SEE DWG. No. TES502/E001 FOR
LEGEND & GENERAL NOTES.
2. CONSULTANT ENGINEERS TO BE
NOTIFIED OF ANY DISCREPANCIES
BETWEEN THIS DRAWING AND THOSE
BY OTHERS
As indicated
FIRST FLOOR LIGHTING LAYOUT
TES 502
OCTOBER, 2025
D.O W.O
E102
S.K
1 : 100
E102-FIRST FLOOR LIGHTING LAYOUT
Spotlights compact mini ceiling light IP65, 6.5w for the all the toilets
Track lights, magneco f6, IP20, 200W, 220-240V
G04
26 m²
KITCHEN/DINING
G11/G13
3 m²
LAUN.
G14
3 m²
V.TOI.
G10
19 m²
COURTYARD
G06
20 m²
GARAGE
G01
20 m²
GARAGE
G15 Not Enclosed
COURTYARD
G20
43 m²
LIVING ROOM
G18
3 m²
V.TOI.
3 m²
LAUN.
26 m²
KITCHEN/DINING
G24/G26
W A
TE
R
W A
T
ER
1 m²
STORE
W A
SH
R
YE
R
W A
RY
ER
DW
DW
2 m²
STORE
2 m²
STORE
2 m²
STORE
G09
2 m²
STORE
G21
1 m²
CLOSET
1 m²
CLOSET
DB-GA
DB-GB
EXISTING ROUTE TO SUPPLY DB
EXISTING ROUTE TO SUPPLY DB
D R A W I N G T I T L E
DRAWN BY CHECKED BY APPROVED BY
SCALE
DATE
FILE REF
DRAWING NUMBER REVISION
Mechanical, Electrical & Electronics Engineers 292, Murtala Muhammed Way, Alagomeji, Yaba, Lagos.
Tel: 09030867276, 08023599742 Email: topklanprojects@topklan.com
ENGINEERS:
PROPOSED RESIDENTIAL DEVELOPMENT
FOR
2-BELLS APARTMENT
PROJECTS:
PROJECT ARCHITECT..
G E N E R A L N O T E S
1. SEE DWG. No. TES502/E001 FOR
LEGEND & GENERAL NOTES.
2. CONSULTANT ENGINEERS TO BE
NOTIFIED OF ANY DISCREPANCIES
BETWEEN THIS DRAWING AND THOSE
BY OTHERS
1 : 100
EXTERNAL POWER LAYOUT
TES 502
OCTOBER, 2025
D.O W.O
E200
S.K
No. Description Date 1 Revision 1 Date 1
1 : 100
E200-EXTERNAL POWER LAYOUT
W P
W P
W P
WP
WP
W P
T V
T V gG rid s
W P
T
V TV
43 m²
LIVING ROOM
G04
26 m²
KITCHEN/DINING
G11/G13
3 m²
LAUN.
G14
3 m²
V.TOI.
G10
19 m²
COURTYARD
G06
20 m²
GARAGE
G01
20 m²
GARAGE
G15 Not Enclosed
COURTYARD
G20
43 m²
LIVING ROOM
G18
3 m²
V.TOI.
3 m²
LAUN.
26 m²
KITCHEN/DINING
G24/G26
1 m²
STORE
2 m²
STORE
2 m²
STORE
2 m²
STORE
G09
2 m²
STORE
G21
1 m²
CLOSET
1 m²
CLOSET
DB-GA
DB-GB
DB-GA-14
DB-GA-9
DB-GB-13
DB-GB-13
DB-GB-15
DB-GB-16
DB-GB-20
DB-GB-8
DB-GB-8
DB-GA-9
DB-GA-12
DB-GA-8
DB-GA-15
DB-GA-19
DB-GA-17
DB-GA-17
GFCIGFCI
G F
C I
G F
C I
G F
C I
GFCI
GFCI
G F
C I
G F
C I
G F
C I
DISH WASHER POWERPOINT
WEATHER PROOF SOCKET
WITH GFCI
GFCI
GFCI
GFCI
GFCI
GFCI
GFCI
G F
C I
G F
C I
Note that: the TV point are wall mounted and back boxes to be provided.
DB-GB-18
DB-GB-6
D B
-G B
-1
D B
-G B
-1
DB-GA-6
D
B -G
A -5
D B
-G A
-1
G F
C I
GFCI
GFCI
G F
C I
GFCI
GFCI
DB-GB-15
DB-GA-9
0 9
G F
C I
G F
C I
G F
C I
DB-GA-18
DB-GB-23
13A SP 2 GANG SWITCH SOCKET
DESCRIPTION
POWER
SYMBOLS
ISOLATOR
DISTRIBUTION BOARD
COOKER CONTROL UNIT
GRID-SWITCH
15A RADIAL SOCKET
SHAVER SOCKET
13A SP 1 GANG SWITCHED
SOCKET OUTLET FOR COOKER HOOD
13A SP 2 GANG WEATHERPROOF
SOCKET
OUTLET
GFCI
13A SP 2 GANG SWITCH SOCKET
GFCI OUTLET
GFCI
NOTE ; PLEASE ENSURE THAT ALL GFCI AND WP
CIRCUITS HAVE A TRIP LEVEL OF 10mA OR
LESS
GFCI
GFCI
GFCI
D R A W I N G T I T L E
DRAWN BY CHECKED BY APPROVED BY
SCALE
DATE
FILE REF
DRAWING NUMBER REVISION
Mechanical, Electrical & Electronics Engineers 292, Murtala Muhammed Way, Alagomeji, Yaba, Lagos.
Tel: 09030867276, 08023599742 Email: topklanprojects@topklan.com
ENGINEERS:
PROPOSED RESIDENTIAL DEVELOPMENT
FOR
2-BELLS APARTMENT
PROJECTS:
PROJECT ARCHITECT..
G E N E R A L N O T E S
1. SEE DWG. No. TES502/E001 FOR
LEGEND & GENERAL NOTES.
2. CONSULTANT ENGINEERS TO BE
NOTIFIED OF ANY DISCREPANCIES
BETWEEN THIS DRAWING AND THOSE
BY OTHERS
As indicated
GROUND FLOOR POWER LAYOUT
TES 502
OCTOBER, 2025
D.O W.O
E201
S.K
1 : 100
E201-GROUND FLOOR POWER LAYOUT
1 Revision 1 Date 1 gG rid s
W P
T
V TV
s s s s s
T V
T V
T V
T V
T V
T V
T V
13A SP 2 GANG SWITCH SOCKET
DESCRIPTION
POWER
SYMBOLS
ISOLATOR
DISTRIBUTION BOARD
COOKER CONTROL UNIT
GRID-SWITCH
15A RADIAL SOCKET
SHAVER SOCKET
13A SP 1 GANG SWITCHED
SOCKET OUTLET FOR COOKER HOOD
13A SP 2 GANG WEATHERPROOF
SOCKET
OUTLET
GFCI
13A SP 2 GANG SWITCH SOCKET
GFCI OUTLET
GFCI
NOTE ; PLEASE ENSURE THAT ALL GFCI AND WP
CIRCUITS HAVE A TRIP LEVEL OF 10mA OR
LESS
GFCI
GFCI
GFCI
C
LO
SE
T
C
LO
SE
T
C
LO
SE
T
C
LO
SE
T
CLOSET
17 m²
BEDROOM
17 m²
BEDROOM
5 m²
TERRACE
5 m²
TERRACE
5 m²
TERRACE
15 m²
BEDROOM
6 m²
CLOSET
4 m²
BATH
4 m²
BATH
16 m²
BEDROOM
5 m²
TERRACE
6 m²
CLOSET
4 m²
BATH
4 m²
BATH
4 m²
BATH
17 m²
BEDROOM
5 m²
TERRACE
17 m²
BEDROOM
17 m²
BEDROOM
5 m²
TERRACE
1 m²
STORE
8 m²
LOBBY
7 m²
LOBBY
5 m²
STAIRS
5 m²
STAIRS
FF-A
FF-B
FF-B-2
GFCI
GFCI
GFCI
GFCI
GFCI
DB Location
DB Location
FF-A-7
FF-B-5
FF-B-9
FF-B-9
FF-B-7
FF-B-7
FF-A-7
FF-A-8
FF-A-6
FF-A-6
FF-A-8
Note that: the TV point are wall mounted and back boxes to be provided.
FF-A-6
FF-A-7
FF-B-2
FF-B-2
FF-B-5
700 1800
700 1800
500600
500 600
1800 700
1800 700
GFCI
GFCI
GFCI
GFCI
FF-A-9
FF-A-9
GFCI
GFCI
GFCI
GFCI
FF-B-12
D R A W I N G T I T L E
DRAWN BY CHECKED BY APPROVED BY
SCALE
DATE
FILE REF
DRAWING NUMBER REVISION
Mechanical, Electrical & Electronics Engineers 292, Murtala Muhammed Way, Alagomeji, Yaba, Lagos.
Tel: 09030867276, 08023599742 Email: topklanprojects@topklan.com
ENGINEERS:
PROPOSED RESIDENTIAL DEVELOPMENT
FOR
2-BELLS APARTMENT
PROJECTS:
PROJECT ARCHITECT..
G E N E R A L N O T E S
1. SEE DWG. No. TES502/E001 FOR
LEGEND & GENERAL NOTES.
2. CONSULTANT ENGINEERS TO BE
NOTIFIED OF ANY DISCREPANCIES
BETWEEN THIS DRAWING AND THOSE
BY OTHERS
As indicated
FIRST FLOOR POWER LAYOUT
TES 502
OCTOBER, 2025
D.O W.O
E202
S.K
No. Description Date 1 Revision 1 Date 1
1 : 100
E202-FIRST FLOOR POWER LAYOUT
A C
A C
A C
AC
A C
A C
WH
WH
AC
A C
A C
43 m²
LIVING ROOM
G04
26 m²
KITCHEN/DINING
G11/G13
3 m²
LAUN.
G14
3 m²
V.TOI.
G10
19 m²
COURTYARD
G06
20 m²
GARAGE
G01
20 m²
GARAGE
G15 Not Enclosed
COURTYARD
G20
43 m²
LIVING ROOM
G18
3 m²
V.TOI.
3 m²
LAUN.
26 m²
KITCHEN/DINING
G24/G26
W A
TE
R
W A
T
ER
1 m²
STORE
W A
SH
R
YE
R
W A
RY
ER
DW
DW
2 m²
STORE
2 m²
STORE
2 m²
STORE
G09
2 m²
STORE
G21
1 m²
CLOSET
1 m²
CLOSET
DB-GA-7
DB-GA-11
D B
-G A
-1
DB-GB-9
D B
-G B
-7
DB-GA-4
DB-GA-4
DB-GB-4
DB-GB-12
DB-GB-22,24,26
DB-GA-25,27,29
DB-GB-4
DB-GA-13
DB-GB-10
SYM DESCRIPTION
MECHANICAL POWER
WALL MOUNTED UNIT
EXTRACTOR FAN
20A DP SWITCH AC
D R A W I N G T I T L E
DRAWN BY CHECKED BY APPROVED BY
SCALE
DATE
FILE REF
DRAWING NUMBER REVISION
Mechanical, Electrical & Electronics Engineers 292, Murtala Muhammed Way, Alagomeji, Yaba, Lagos.
Tel: 09030867276, 08023599742 Email: topklanprojects@topklan.com
ENGINEERS:
PROPOSED RESIDENTIAL DEVELOPMENT
FOR
2-BELLS APARTMENT
PROJECTS:
PROJECT ARCHITECT..
G E N E R A L N O T E S
1. SEE DWG. No. TES502/E001 FOR
LEGEND & GENERAL NOTES.
2. CONSULTANT ENGINEERS TO BE
NOTIFIED OF ANY DISCREPANCIES
BETWEEN THIS DRAWING AND THOSE
BY OTHERS
1 : 100
GROUND FLOOR MECHANICAL
POWER LAYOUTS
TES 502
OCTOBER, 2025
D.O W.O
E301
S.K
1 : 100
E301-GROUND FLOOR MECHANICAL POWER LAYOUT
AC
AC
AC
A C
AC
AC
AC
A C
C
LO
SE
T
C
LO
SE
T
C
LO
SE
T
C
LO
SE
T
CLOSET
17 m²
BEDROOM
17 m²
BEDROOM
5 m²
TERRACE
5 m²
TERRACE
5 m²
TERRACE
15 m²
BEDROOM
6 m²
CLOSET
4 m²
BATH
4 m²
BATH
16 m²
BEDROOM
5 m²
TERRACE
6 m²
CLOSET
4 m²
BATH
4 m²
BATH
4 m²
BATH
17 m²
BEDROOM
5 m²
TERRACE
17 m²
BEDROOM
17 m²
BEDROOM
5 m²
TERRACE
1 m²
STORE
8 m²
LOBBY
7 m²
LOBBY
5 m²
STAIRS
5 m²
STAIRS
FF-B-11
FF-B-10
FF-B-8
F F
-A -5
F F
-A -3
FF-A-1
FF-A-1
FF-B-3
FF-B-3
FF-A-4
FF-B-6
FF-B-1
SYM DESCRIPTION
MECHANICAL POWER
WALL MOUNTED UNIT
EXTRACTOR FAN
20A DP SWITCH AC
D R A W I N G T I T L E
DRAWN BY CHECKED BY APPROVED BY
SCALE
DATE
FILE REF
DRAWING NUMBER REVISION
Mechanical, Electrical & Electronics Engineers 292, Murtala Muhammed Way Alagomeji, Yaba, Lagos.
Tel: 09030867276 Email: topklanprojects@topklan.com
ENGINEERS:
PROPOSED RESIDENTIAL DEVELOPMENT
FOR
2-BELLS APARTMENT
PROJECTS:
PROJECT ARCHITECT..
G E N E R A L N O T E S
1. SEE DWG. No. TES502/E001 FOR
LEGEND & GENERAL NOTES.
2. CONSULTANT ENGINEERS TO BE
NOTIFIED OF ANY DISCREPANCIES
BETWEEN THIS DRAWING AND THOSE
BY OTHERS
1 : 100
FIRST FLOOR MECHANICAL POWER
LAYOUTS
TES 502
OCTOBER, 2025
D.O W.O
E302
S.K
1 : 100
E302-FIRST FLOOR MECHANICAL POWER LAYOUT
SD
SD
HD SD
SD
SD
HD
HD
HD
s s
S D
H D s
43 m²
LIVING ROOM
G04
26 m²
KITCHEN/DINING
G11/G13
3 m²
LAUN.
G14
3 m²
V.TOI.
G10
19 m²
COURTYARD
G06
20 m²
GARAGE
G01
20 m²
GARAGE
G15 Not Enclosed
COURTYARD
G20
43 m²
LIVING ROOM
G18
3 m²
V.TOI.
3 m²
LAUN.
26 m²
KITCHEN/DINING
G24/G26
W A
TE
R
W A
T
ER
1 m²
STORE
W A
SH
R
YE
R
W A
RY
ER
DW
DW
2 m²
STORE
2 m²
STORE
2 m²
STORE
G09
2 m²
STORE
G21
1 m²
CLOSET
1 m²
CLOSET
SMOKE DETECTOR
HEAT DETECTOR
FIRE ALARM SYSTEM
DESCRIPTIONSSYMBOL
Carbon monoxide alarm
D R A W I N G T I T L E
DRAWN BY CHECKED BY APPROVED BY
SCALE
DATE
FILE REF
DRAWING NUMBER REVISION
Mechanical, Electrical & Electronics Engineers 292, Murtala Muhammed Way Alagomeji, Yaba, Lagos.
Tel: 09030867276 Email: topklanprojects@topklan.com
ENGINEERS:
PROPOSED RESIDENTIAL DEVELOPMENT
FOR
2-BELLS APARTMENT
PROJECTS:
PROJECT ARCHITECT..
G E N E R A L N O T E S
1. SEE DWG. No. TES502/E001 FOR
LEGEND & GENERAL NOTES.
2. CONSULTANT ENGINEERS TO BE
NOTIFIED OF ANY DISCREPANCIES
BETWEEN THIS DRAWING AND THOSE
BY OTHERS
As indicated
GROUND FLOOR - FAS LAYOUT
TES 502
OCTOBER, 2025
D.O W.O
E401
S.K
1 : 100
E401-GROUND FLOOR FAS LAYOUT
SD
SD
SD
SD
SD
SD
SD
s s
S D
H D s
C
LO
SE
T
C
LO
SE
T
C
LO
SE
T
C
LO
SE
T
CLOSET
17 m²
BEDROOM
17 m²
BEDROOM
5 m²
TERRACE
5 m²
TERRACE
5 m²
TERRACE
15 m²
BEDROOM
6 m²
CLOSET
4 m²
BATH
4 m²
BATH
16 m²
BEDROOM
5 m²
TERRACE
6 m²
CLOSET
4 m²
BATH
4 m²
BATH
4 m²
BATH
17 m²
BEDROOM
5 m²
TERRACE
17 m²
BEDROOM
17 m²
BEDROOM
5 m²
TERRACE
1 m²
STORE
8 m²
LOBBY
7 m²
LOBBY
5 m²
STAIRS
5 m²
STAIRS
SMOKE DETECTOR
HEAT DETECTOR
FIRE ALARM SYSTEM
DESCRIPTIONSSYMBOL
Carbon monoxide alarm
D R A W I N G T I T L E
DRAWN BY CHECKED BY APPROVED BY
SCALE
DATE
FILE REF
DRAWING NUMBER REVISION
Mechanical, Electrical & Electronics Engineers 292, Murtala Muhammed Way Alagomeji, Yaba, Lagos.
Tel: 09030867276 Email: topklanprojects@topklan.com
ENGINEERS:
PROPOSED RESIDENTIAL DEVELOPMENT
FOR
2-BELLS APARTMENT
PROJECTS:
PROJECT ARCHITECT..
G E N E R A L N O T E S
1. SEE DWG. No. TES502/E001 FOR
LEGEND & GENERAL NOTES.
2. CONSULTANT ENGINEERS TO BE
NOTIFIED OF ANY DISCREPANCIES
BETWEEN THIS DRAWING AND THOSE
BY OTHERS
As indicated
FIRST FLOOR - FAS LAYOUT
TES 502
OCTOBER, 2025
D.O W.O
E402
S.K
1 : 100
E402-FIRST FLOOR FAS LAYOUT
G04
26 m²
KITCHEN/DINING
G11/G13
3 m²
LAUN.
G14
3 m²
V.TOI.
G10
19 m²
COURTYARD
G06
20 m²
GARAGE
G01
20 m²
GARAGE
G15 Not Enclosed
COURTYARD
G20
43 m²
LIVING ROOM
G18
3 m²
V.TOI.
3 m²
LAUN.
26 m²
KITCHEN/DINING
G24/G26
W A
TE
R
W A
T
ER
1 m²
STORE
W A
SH
R
YE
R
W A
RY
ER
DW
DW
2 m²
STORE
2 m²
STORE
2 m²
STORE
G09
2 m²
STORE
G21
1 m²
CLOSET
1 m²
CLOSET
2NO. STRUCTURAL HORIZONTAL BAR WELDED TO
COLUMN REINFORCEMENT FOR CONTINOUS
EARTHING
25x3mm GALVANISED TAPE (4-6m LONG)
WELDED TO STRUCTURAL COLUMN
REINFORCEMENT
D R A W I N G T I T L E
DRAWN BY CHECKED BY APPROVED BY
SCALE
DATE
FILE REF
DRAWING NUMBER REVISION
Mechanical, Electrical & Electronics Engineers 292, Murtala Muhammed Way, Alagomeji, Yaba, Lagos.
Tel: 09030867276, 08023599742 Email: topklanprojects@topklan.com
ENGINEERS:
PROPOSED RESIDENTIAL DEVELOPMENT
FOR
2-BELLS APARTMENT
PROJECTS:
PROJECT ARCHITECT..
G E N E R A L N O T E S
1. SEE DWG. No. TES502/E001 FOR
LEGEND & GENERAL NOTES.
2. CONSULTANT ENGINEERS TO BE
NOTIFIED OF ANY DISCREPANCIES
BETWEEN THIS DRAWING AND THOSE
BY OTHERS
1 : 100
GROUND FLOOR EARTHING LAYOUT
TES 502
OCTOBER, 2025
D.O W.O
E501
S.K
1 : 100
E601-GROUND FLOOR EARTHING AND BONDING LAYOUT
N
SEE PLAN
LOCATED OUTSIDE THE
BUILDING
NTS
AIR TERMINAL BASE
ROOF PARAPET
ROOF COPPER CONDUCTOR
25mm² BARE STRANDED
0m m
AIR ROD (COPPER)
20mm ∅ x 300mm LONG
TAPER POINTED
CABLE SADDLE
COL. REINF.
C.J
T.O. GROUND BEAM
GRID
B.O. FOOTING
AS PER PLAN
T.O. FOOTING
SEE ENLARGE DETAIL-4a
CLAMP CONNECTION
25x3mm FLAT GALVANIZED TAPE
TO MAIN EARTHING LOOP
25x3mm FLAT GALVANIZED TAPE
F.F.L
POTENTIAL EQUALIZATION
BUS BAR
TERMINAL LUG
(TYPICAL)
TEST LINKTEST LINK
(TYPICAL)
TERMINAL LUG
GROUND CONDUCTOR TO MAIN LOOP
1X75mm PUDDLE FLANGE SLEEVES
(TYPICAL)
IN 50mm∅ STEEL CONDUIT
CONCRETE COVER
WITHINSPECTION "EARTHING
PIT"
BACKFILL
SOIL
CONCRETE
HOUSING
GRAVEL FILLING
20mm DIAMETER , 1.5m.
LONG.
COPPER GLAD STEEL EARTHING
ROD
FILLED WITH
GREASE
PROTECTIVE COVER
EARTHIN
G
ROD
CONDUCTOR
BARE COPPER EARTHING
EARTH PIT
70mm² BARE COPPER
DOWN CONDUCTOR IN
∅38mm PVC CONDUIT
TO NEXT EARTH PIT
(LDC) 70mm² BARE COPPER
CONDUCTOR IN 50∅ PVC CONDUIT
TEST LINK
EARTHING
CONDUCTOR
BARE COPPER
RE-BAR
CLAMP
STEEL RE-INFORCING
BAR
NOTES:
1. EARTHING GRID RESISTANCE OF LESS THAN 1ohm
SHALL BE ACHIEVED BY CONTRACTOR
2. MAIN EARTHING LOOPS SHALL BE 70 Sq.mm & BURIED AT 800mm BELLOW FINISHED GRADE LEVEL
AND CAN BE INSTALLED 2Mtrs AWAY FROM
EDGE OF STRUCTURAL SUPPORTS.
TO RE-INFORCEMENT STEEL BAR
GROUNDING SYSTEM & BONDING
EARTH BUS BAR WITH TEST LINK
EARTH PIT WITH GROUND ROD
DETAIL-1
EARTH PIT AND LIGHTNING DOWN CONDUCTOR
DETAIL-2
RE-INFORCEMENT BAR CONNECTION
LIGHTNING ROD DETAIL
D R A W I N G T I T L E
DRAWN BY CHECKED BY APPROVED BY
SCALE
DATE
FILE REF
DRAWING NUMBER REVISION
Mechanical, Electrical & Electronics Engineers 292, Murtala Muhammed Way, Alagomeji, Yaba, Lagos.
Tel: 09030867276, 08023599742 Email: topklanprojects@topklan.com
ENGINEERS:
PROPOSED RESIDENTIAL DEVELOPMENT
FOR
2-BELLS APARTMENT
PROJECTS:
PROJECT ARCHITECT..
G E N E R A L N O T E S
1. SEE DWG. No. TES502/E001 FOR
LEGEND & GENERAL NOTES.
2. CONSULTANT ENGINEERS TO BE
NOTIFIED OF ANY DISCREPANCIES
BETWEEN THIS DRAWING AND THOSE
BY OTHERS
1 : 220
EARTHING INSTALLATION DETAILS
TES 502
OCTOBER, 2025
D.O W.O
E502
S.K
1 : 220
EARTHING INSTALLATION DETAILS
File details come from the government source that posted it. Updated .