CLIN_-_005_RFI_00014_SiteElectrical.pdf
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USAID/EHIP
New Health Center Construction Task Order 8, Combined RFI Log
Durame Site 202 Batu Site 251 Gimbichu Site 208 Arsi Negele Site 277 Waka Site 213 Meki Site 290
RFI No. Date Rec'd Item No. Question TT Response Response Date Follow-up
1 The Site Electrical Plan shows only two electrical manholes to be constructed, one at Delivery Block and the other at EPl Block (EL - 006).
However, additional manholes are needed at junctions and bends at all other blocks for the purpose of maintenance. Please clarify.
1. 6 additional 600x600x700mm dimension manholes are required.
Revised Electrical Site Plan EL-006 and Typical Site Electrical Details EX- 501 and EX-502 are attached.
2 Pit Latrine Lighting Layout (EL - 003) calls for the lighting line to come from Registration Block. Since it is not shown in the site electrical plan, in what way is the lighting line to come? Underground or overhead? Please clarify.
2. A 3x2.5mm sq under ground power supply cable is to be drawn from LPP-B to the Pit Latrine. Use the spare circuit breaker 6 as a supply for the Latrine lighting. Please see the amended site and block drawings, EL-003 and EL-006. Also note the changes in Distribution schedule LPP-B.
3. Additionally, the main switches of MDB and LLP-A are currently designed to work at almost 100% of critical load. However, a circuit breaker is not recommended to carry more than 80% nominal load for more than 3 hours. They should be upgraded per attached Revised Sheet EL-001, Main Power Supply Detail and Distribution Schedule.
14-May-14
16-May-14
Waka 00014
P:\01298\127-01298-11002\Construction\RFIs\TO#8 - Combined RFI's\RFI Log TO#8 COMBINED
( MAIN DISTRIBUTION BOARD )
Pmax.= 30.77 kVA Ptot.= 43.95 kVA
3x50A(4x10) sq mm
Am p, P ha se , 4
W
E, 0.
Po w er
F ac to r, H z
No
LPP-A
Distribution Panel A(mm )2 I(A)
15.85
Load (kVA)
LPP-B 04.80
LPP-C 06.50
LPP-D 03.70
LPP-E (Delivery) 1x25 04.25 LPP-F (TB & EPI) 1x20 03.20
Spare Spare Pump Control Panel
2x4+1x4
Spare
3x16 03.004x4+1x4 1x25 1x25 3x16
LPP-G (Woreda store) 02.65
(1x10) sq mm
2x6+1x6
3x164x2.5+1x2.5 3x164x2.5+1x2.5 3x254x6+1x6
1x252x6+1x6
1x202x4+1x4 Power Utility Company Transformer
15/0.4kV, 4Wire+E, 0.8Cos , 50Hz kWatt- Hour-Meter
By the Power Utility Company
FLUSH
ENCLOSURE :
BUS RATING :
BUS TYPE :
SHEET STEEL
63A, 25 kA
TPN+PE
IP RATING :
DRWG. NO. :
MOUNTING :
31 2
BUS CONNECTION
(VOLT-AMPERE)
C
1RATING
BREAKER
TYPE
SUB TOTAL
kVA CONNECTED
14400.00
LINE AMPERE
kVA DEMAND
DIVERSITY
43.950
46.743 30.765 00.700
CIRCUIT LOAD PER PHASE
4 Wire+E, 50 Hz 380/220 Volt, 3 Phase, MDB
SERVICE
VOLTAGE :
PANEL NO :
SIZE OF
WIRE
CIRCUIT
NUMBER
DESCRIPTION
EEPCo Power Supply System
TOP
MAIN SWITCH
FEEDER
POWER SOURCE
LOCATION
NUMBER
POLES
DISTRIBUTION BOARD SCHEDULE
50 Ampere, 3 Phase, ACB
(4x10+1x10) sq mm
25LPP-A
Pump Control Panel Spare Spare
3700.00
CLPP-B
C16LPP-C
CLPP-D
C25LPP-E (Delivery)
LPP-F (TB & EPI) C203x4
15300.00 14250.00
Spare
C165x4 3 1000.001000.00 1000.00
(mm²)
LPP-G(Woreda store)
3x6 1
C
C C C
4250.00
3200.00 2650.00
5300.00 5350.005200.00
1800.001800.00 1200.00
2050.002050.00 2400.00
5x6
5x2.5 5x2.5 3x6
3x4
2. If earthing resistance is greater than 5 Ohm additional electrode shall be buried spaced not less than the length of the electrode.
1. Earthing resistance shall not be greater than 5 Ohm.
NOTE
Earthing conductor 1x10 sq mm to MDB
Earthing Rod copper clad steel Diameter 16 mm, length 2400 mm
Ground level
Manhole 700x700x700 mm
FLUSH
ENCLOSURE :
BUS RATING :
BUS TYPE :
SHEET STEEL
63A, 10 kA
TPN+PE
IP RATING :
DRWG. NO. :
MOUNTING :
31 2
BUS CONNECTION
(VOLT-AMPERE)
C C
1RATING
BREAKER
TYPE
SUB TOTAL
kVA CONNECTED
LINE AMPERE
kVA DEMAND
DIVERSITY
15.85
24.08 15.85 01.00
CIRCUIT LOAD PER PHASE
4 Wire+E, 50 Hz 380/220 Volt, 3 Phase, LPP-A
SERVICE
VOLTAGE :
PANEL NO :
SIZE
3x2.5 1
OF
WIRE
CIRCUIT
NUMBER
Lighting
DESCRIPTION
MDB
TOP
MAIN SWITCH
FEEDER
POWER SOURCE
LOCATION
NUMBER
POLES
DISTRIBUTION BOARD SCHEDULE
25 Ampere, 3 Phase, ACB
(4x6+1x6) sq mm
163x2.5 1Lighting
C163x2.5 1 C161 C161
3x2.5 3x2.5
Spare Spare Spare
C163x2.5 1
C161 C161
C163x2.5 1
C161
(mm²)
Socket Outlet Socket Outlet
Water Heater Water Heater
Socket Outlet Socket Outlet Socket Outlet Socket Outlet
Lighting Lighting
C1613x2.5 C163x2.5 1 C1613x2.5 C163x2.5 1 C163x2.5 1
Socket Outlet
C163x2.5 1
5350.00
1200.00
1200.00 1200.00
1200.00
0800.00
5200.00
1400.00
0900.00
1000.00
1200.00
5300.00
0750.00
1200.00 1400.00
1200.00
Water Heater C163x2.5 1 1200.00
EL-001
M A
IN
P
O W
ER
S
U P P
LY
D
ET
A
IL
A N
D
D
IS
TR
IB
U
TI
O N
S C
H
ED
U
LE
MAIN POWER SUPPLY DETAIL AND
DISTRIBUTION SCHEDULE, SCALE NTS
BT BT
TE
TR
A
T
EC
H
/0
5/
U S A
ID
E
TH
IO
P
IA
H
EA
LT
H
IN
FR
A S
TR
U C
TU
R E
P R O
G R A
M
KM
D
ES
IG
N
ED
B
Y
D R A
W N
B Y
C H
K B
Y
D A
TE
S U
B M
IT
TE
D B
Y
D A
TE
A
PR
SY
M B
NOTE: A3 SIZE REDUCED TO HALF SCALE
RENOVATION
(WAKA)
SITE # 213
W A
K A
H
EA
LT
H
C
EN
TE
R
R
EN
O V
A
TI
O N
S
IT
E N
O
D
ES
C
RI
PT
IO
N
D
ES
IG
N
D
EV
EL
O
PM
EN
T D
W G s
/1 4/
/0
5/
0%
D
ES
IG
N
D
EV
EL
O
PM
EN
T D
W G s
Kerry.Mason Oval
Kerry.Mason Oval
Kerry.Mason Oval
Kerry.Mason Oval
Kerry.Mason Line
Kerry.Mason Line
Kerry.Mason Text Box 63 Amp
Kerry.Mason Text Box 40 Amp
DRUG STORE
INFECTIOUS
DISEASE
CLINIC DISPENSARY
VERENDAH
WAITING
REGISTR.
ROOM
WAITING
AREA
CASHER
YOUTH FRIENDLY
SERVICE
2 2 2 2
1 1 1
1 1
REGISTRATION BLOCK LIGHTING LAYOUT
LPP-B
2 2
2 2
FLUSH
ENCLOSURE :
BUS RATING :
BUS TYPE :
SHEET STEEL
63A, 10 kA
TPN+PE
IP RATING :
DRWG. NO. :
MOUNTING :
31 2
BUS CONNECTION
(VOLT-AMPERE)
C C
1RATING
BREAKER
TYPE
0550.00
SUB TOTAL
kVA CONNECTED
1800.00
LINE AMPERE
kVA DEMAND
DIVERSITY
04.80
07.29 04.80 01.00
CIRCUIT LOAD PER PHASE
4 Wire+E, 50 Hz 380/220 Volt, 3 Phase, LPP-B
SERVICE
VOLTAGE :
PANEL NO :
SIZE
3x2.5 1
OF
WIRE
CIRCUIT
NUMBER
Lighting
DESCRIPTION
MDB
TOP
MAIN SWITCH
FEEDER
POWER SOURCE
LOCATION
NUMBER
POLES
DISTRIBUTION BOARD SCHEDULE
16 Ampere, 3 Phase, ACB
(4x2.5+1x2.5) sq mm
1800.00
163x2.5 1Lighting
C163x2.5 1 C161
3x2.5 Pit Latrine Spare Spare
C161 C161
C163x2.5 1
C161
(mm²)
Socket Outlet Socket Outlet Socket Outlet
1200.00
800.00 1000.00
1200.00 1000.00
3x2.5 0250.00
DRUG STORE
INFECTIOUS
DISEASE
CLINIC
DISPENSARY
VERENDAH
WAITING
REGISTR.
ROOM
WAITING
AREA
CASHER
YOUTH FRIENDLY
SERVICE
YOUTH FRIENDLY
SERVICE
LPP-B
REGISTRATION BLOCK SOCKET LAYOUT
U LAT
STAFF LAT
M LAT F LAT
A B C
5 5 5 5 6 Lighting Line from Registration Block
LPP-B Circuit Number 6
PIT LATRINE BLOCK LIGHTING LAYOUT
EL-003
R
EG
IS
TR
A
TI
O N
B
LO
C K A
N D
P
IT
L A
TR
IN
E
EL
EC
TR
IC
A L
P
LA
N
REGISTRATION BLOCK AND PIT LATRINE
ELECTRICAL PLAN
BT BT
TE
TR
A
T
EC
H
/0
5/
U S A
ID
E
TH
IO
P
IA
H
EA
LT
H
IN
FR
A S
TR
U C
TU
R E
P R O
G R A
M
KM
D
ES
IG
N
ED
B
Y
D R A
W N
B Y
C H
K B
Y
D A
TE
S U
B M
IT
TE
D B
Y
D A
TE
A
PR
SY
M B
NOTE: A3 SIZE REDUCED TO HALF SCALE
RENOVATION
(WAKA)
SITE # 213
W A
K A
H
EA
LT
H
C
EN
TE
R
R
EN
O V
A
TI
O N
S
IT
E N
O
D
ES
C
RI
PT
IO
N
D
ES
IG
N
D
EV
EL
O
PM
EN
T D
W G s
/1 4/
/0
5/
0%
D
ES
IG
N
D
EV
EL
O
PM
EN
T D
W G s
0 5m1 2 3 41
Scale 1:50
R
FI
EEPCo LINE
4x10mm² UG supply line to KWH-Meter in 50mm diameter PVC
Power Line from EEPCo Kilowatt Hour Meter TO MDB
KWH
LPP-A
MDB
Manhole 700x700x700mm with 16 x 2400mm Earth Rod
(4x6+1x6 mm²) supply line from MDB to LPP-A in 50mm diameter PVC
4x10+1x10mm² supply line to MDB in 50mm diameter PVC in ceiling
(4x2.5+1x2.5 mm²) UG supply line from MDB to LPP-C in 50mm diameter
PVC
(4x2.5+1x2.5 mm²) supply line from MDB to LPP-B in
50mm diameter PVC in ceiling
SITE ELECTRICAL POWER DISTRIBUTION LAYOUT
REGISTRATION BLOCK
DELIVERY BLOCK
LABORATORY BLOCK
DELIVERY BLOCK
ART BLOCK
CAFETERIA
TB & EPI BLOCK
LAUNDRY BASIN
SHOWER
PIT LATRINE
LPP-B
LPP-C
LPP-D
(2x6+1x6 mm²) supply line from MDB to LPP-D in 50mm diameter PVC in ceiling from EEPCo Power Line to Kilowatt Hour Meter
Manhole 600x600x700mm(TYP)
UPVC PIPE DIAM 50MM(TYP)
(3x2.5mm²) UG supply cable from LPP-B to Pit Ltrine in
32mm diameter PVC
(4x2.5+1x2.5 mm²) UG supply line from MDB to LPP-B in 50mm diameter
PVC
(2x6+1x6 mm²) UG supply line from MDB to LPP-D in
50mm diameter PVC
(4x2.5+1x2.5 mm²) supply line from MDB to LPP-C in
50mm diameter PVC in ceiling
EL-006
S
IT
E
EL
EC
TR
IC
A
L P
LA
N
SITE ELECTRICAL PLAN
1:150
5 0 5 10
BT BT
TE
TR
A
T
EC
H
/0
5/
U S A
ID
E
TH
IO
P
IA
H
EA
LT
H
IN
FR
A S
TR
U C
TU
R E
P R O
G R A
M
KM
D
ES
IG
N
ED
B
Y
D R A
W N
B Y
C H
K B
Y
D A
TE
S U
B M
IT
TE
D B
Y
D A
TE
A
PR
SY
M B
NOTE: A3 SIZE REDUCED TO HALF SCALE
RENOVATION
(WAKA)
SITE # 213
W A
K A
H
EA
LT
H
C
EN
TE
R
R
EN
O V
A
TI
O N
S
IT
E N
O
D
ES
C
RI
PT
IO
N
D
ES
IG
N
D
EV
EL
O
PM
EN
T D
W G s
/1 4/
/0
5/
0%
D
ES
IG
N
D
EV
EL
O
PM
EN
T D
W G s
R
FI
FIN GRADE
WARNING TAPE
200 200
PVC PIPE Ø 50MM
SOIL BACK FILL
POWER CABLE IN
PVC PIPE Ø 50MM
FIN GRADE
WARNING TAPE
SOIL BACK FILL
200 200
POWER CABLE IN
PVC PIPE Ø 50MM,
TYP
FIN GRADE
WARNING TAPE
100 200
SOIL BACK FILL
POWER CABLE IN
PVC PIPE Ø 50MM,
TYP
FIN GRADE
WARNING TAPE
70 130
SOIL BACK FILL
70130
EARTHING ROD: COPPER CLAD
STEEL DIA 16MM, L 2400MM
EARTHING CONDUCTOR TO
MDB; SIZE PER DWGS
NOTE:
1. EARTHING RESISTANCE SHALL NOT BE GREATER THAN 5 OHM.
2. IF EARTHING RESISTANCE IS GREATER THAN 5 OHM, ADDITIONAL
ELECTRODE SHALL BE BURIED, SPACED NOT LESS THAN THE LENGTH OF
THE ELECTRODE.
Ø16 STL BAR HANDLE
100MM RC COVER
Ø8 C/C 120 BOTH WAYS
Ø8 C/C 120 BOTH WAYS
5 10 50 510
100 500 100
FIN GRADE SLOPED 2%
FROM MH
700X700X700MM RC
MANHOLE
Ø16 STL BAR HANDLE
100MM RC COVER
Ø8 C/C 120 BOTH WAYS
Ø8 C/C 120 BOTH WAYS
5 10 40 510
100 400 100
FIN GRADE SLOPED 2%
FROM MH
600X600X600MM RC
MANHOLE
T Y
P
S
I T
E
E
L E
C
D
E T
A I L
S
EX-501
TYP EARTHING MANHOLE DETAIL9
SCALE: 1:75
STANDARD
DETAIL BOOK
w w w t e t r a t e c h c o m
O n e
G r a n t
S t r e e t
F r a m i n g h a m
M
A
P
M
P
D
O C
S S
I T
E S
R
E N
O V
A T
I O
N S
R
E N
O V
A T
I O
N
S
T A
N D
A R
D
D
E T
A I L
B
O O
K S
H E
E T
F I L
E S
E
H I P
E
X
E
L E
C D
T L
S N
E W
D
W G
M
A S
O N
K
E R
R Y
ONE PIPE
UG CABLE INSTALLATION DETAIL1
SCALE: 1:10
ONE PIPE/CABLE
UG CABLE INSTALLATION DETAIL2
SCALE: 1:10
TWO PIPE/CABLE
UG CABLE INSTALLATION DETAIL3
SCALE: 1:10
THREE PIPE/CABLE
UG CABLE INSTALLATION DETAIL4
SCALE: 1:10
TYP ELEC MANHOLE DETAIL10
SCALE: 1:75
BELOW GRADE:
50MM DIA PVC
PIPE
ABOVE GRADE:
50MM DIA
WEATHERPROOF
UPVC PIPE
GALV METAL
BRACKET WITH
CONC ANCHORS
SPACED 1M OC
AND AT ALL
TURNS &
JUNCTURES, TYP
TO BLDG
INTERIOR
ELEC
INSTALLATION
SUB OR MAIN DIST
BOARD
EXST EXT WALL
EXST VERANDAH
EXST SOFFIT
50MM DIA
WEATHERPROOF
UPVC PIPE ATTACHED
WITH GALV METAL
BRACKETS W/ CONC
ANCHORS SPACED 1
M OC TO OTHER
BLOCKS WHERE REQ
BELOW GRADE:
50MM DIA PVC PIPE
ABOVE GRADE:
50MM DIA
WEATHERPROOF
UPVC PIPE
GALV METAL
BRACKET WITH
CONC ANCHORS
SPACED MAX 1M
OC
EXST SOFFIT
EXST EXT WALL
SUB OR MAIN DIST
BOARD
T Y
P
S
I T
E
E
L E
C
D
E T
A I L
S
EX-502
STANDARD
DETAIL BOOK
w w w t e t r a t e c h c o m
O n e
G r a n t
S t r e e t
F r a m i n g h a m
M
A
P
M
P
D
O C
S S
I T
E S
R
E N
O V
A T
I O
N S
R
E N
O V
A T
I O
N
S
T A
N D
A R
D
D
E T
A I L
B
O O
K S
H E
E T
F I L
E S
E
H I P
E
X
E
L E
C D
T L
S N
E W
D
W G
M
A S
O N
K
E R
R Y
ABOVE GRADE ELEC CONDUIT
INSTALLATION DETAIL AT VERANDAH5
SCALE: 1:10
ABOVE GRADE ELEC CONDUIT
INSTALLATION DETAIL AT EXT WALL6
SCALE: 1:10
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