KEYPLAN

ABBREVIATIONS
Refer schedules for correction/comments in the cable and breaker rating and comply. SP, SPN: SINGLE POLE, SINGLE POLE AND NEUTRAL.
DP, DPN: DOUBLE POLE, DOUBLE POLE AND NEUTRAL.
TP, TPN: TRIPLE POLE, TRIPLE POLE AND NEUTRAL.
(TYPICAL) DENOTES THAT THE NOTE IS APPLICABLE
SINGLE LINE SYMBOLS FOR DEVICES TO ALL SIMILAR EQUIPMENT

SYMBOLS DESCRIPTIONS CH CHILLER

CWP CHILLED WATER PUMP

Strictly comply with DuIAW uW`LWcUJeLNqNJtWecǍŦǍŤŢ, during installation of capacitor banks in the
CURRENT TRANSFORMER
AHU AIR HANDLING UNIT
ISOLATOR

SH. ZAYD ROAD

project.Ensure to limit Power Factor & Harmonics, within DEWA approved values, at all levels of loads.
E/F EXHAUST FAN

ROAD
BUS BAR RISER W/H ELECTRIC WATER HEATER
NE
N
Ø DIAMETER

E
NW
DISTRIBUTION BOARD
WP WEATHER PROOF

SE
W
SW S

K
N
A
T
SUB-MAIN DISTRIBUTION BOARD

P G
L
PF POWER FACTOR

Ensure electricity back up arrangement for emergency lighting in escape route, corridors, stairs,
MOTOR CONTROL CENTRE DF DIVERSITY FACTOR

E.L.C.B EARTH LEAKAGE CIRCUIT BREAKER

underground parking, service room etc for public safety during unforeseen power interruptions.
CONTROL PANEL
FCU FAN COIL UNIT
MECHANICAL FAN MDB MAIN DISTRIBUTION BOARD

ELECTRIC MOTOR PUMP FA FIRE ALARM

SMDB SUB-MAIN DISTRIBUTION BOARD

NOTE :
De-activate the under voltage relay tripping arrangement,
AUTOMATIC TRANSFER SWITCH
NC NO
DB DISTRIBUTION BOARD
M KILOWATT HOUR METER PH PHASE

if provided with main incomer circuit breaker within LV Panel/s TAP OFF UNIT CP CONTROL PANEL

PILOT LAMPS (R,Y,B) MCP MOTOR CONTROL PANEL

R Y B
-INDICATES PHASE REFERENCE MCC MOTOR CONTROL CENTER
ELECTRICAL & MECHANICAL INTERLOCK C.B. CIRCUIT BREAKER

FUSES E.C.C. EARTH CONTINUITY CONDUCTOR

PVC POLY VINYL CHLORIDE

MOULDED CASE CIRCUIT BREAKER
XLPE CROSS LINKED POLYETHELENE
MINIATURE CIRCUIT BREAKER MCB MINIATURE CIRCUIT BREAKER

EARTH LEAKAGE CIRCUIT BREAKER MCCB MOULDED CASE CIRCUIT BREAKER

EMU ELECTRONIC MONITORING UNIT

AIR CIRCUIT BREAKER
RMU RING MAIN UNIT
CAPACITOR BANK PANEL L.V LOW VOLTAGE

TRANSFORMER S.U SPLIT UNIT

C.U CONDENSING UNIT

G GENERATOR SET
CT CURRENT TRANSFORMER
EARTH PIT FP FIRE PUMP
M A.C MOTOR AS INDICATED (3)- CBS CENTRAL BATTERY SYSTEM
3 INDICATES NO. OF PHASES
JP JOCKEY PUMP
A AMMETER
TP TRANSFER PUMP SHOP DRAWING
V VOLTMETER BP BOOSTER PUMP

SS SELECTOR SWITCH SPF SMOKE PRESSURIZATION FAN REFERENCE DRAWINGS

SEF SMOKE EXHAUST FAN Rev DRAWING NUMBER DRAWING TITLE
OCR OVER CURRENT RELAY
SF SUPPLY FAN
UVR UVR + TIMER + CONTACTOR EF EXHAUST FAN

EF EARTH FAULT LPG LIQUIFIED PETROLEUM GAS

FPCP FIRE PUMP CONTROL PANEL

UVT UNDER VOLTAGE TRIP
SR SPECIALITY RESTAURANT
RMU RING MAIN UNIT ADD ALL DAY DINING RESTAURANT

AUX AUXILIARY SWITCH SCHWP SECONDARY CHILLED WATER PUMP

PCHWP PRIMARY CHILLED WATER PUMP

ST SHUNT TRIP
RP RECIRCULATION PUMPS

CB CAPACITOR BANK IP IRRIGATION WATER PUMP

DIRECT ON LINE STARTER FAHU FRESH AIR HANDLING UNIT

DOL
PSF PARKING SUPPLY FAN
STAR DELTA STARTER
PEF PARKING EXHAUST FAN
VFD VARIABLE FREQUENCY DRIVE SP SUMP PUMP
DRAWING STATUS
LPF LOBBY PRESSURIZATION FAN
SS SOFT STARTER
SPF SMOKE PRESSURIZATION FAN

**
SP SURGE PROTECTION DEVICE

Discriminate upstream and downstream breakers EMU

ELS-1
ENERGY MONITORING UNIT

EARTH LEAKAGE SENSOR + ALARM

HWC

SWP

CTR
HOT WATER CALORIFIER

SWIMMING POOL PUMP

COOLING TOWER
04 29-02-2024 Revised as per consultant comments
03 25-10-2023 Revised as per arch rev-03 & consultant comments
ECO ECOLOGY UNIT
ELS-2 100-300mA ELS + SHUNT TRIP
CHWC CENTRAL HOT WATER CALORIFIER 02 04-05-2023 Revised as per arch rev-03 & consultant comments
ELS-3 100-1000mA ELS + SHUNT TRIP PU PRESSURISATION UNIT
01 12-02-2023 Revised as per arch rev-02
CDP CHEMICAL DOZING PUMP

WFP WATER FILTER PUMP 00 26-08-2022 ISSUED FOR APPROVAL

N/A NON AUTO REV. DATE DESCRIPTION

PROJECT TITLE

SKY SPIRAL TOWER

4B+G+44 BUILDING,
Dubai
PLOT NUMBER : 3720562

**
CLIENT

MR.GHALEB KAMEL JABER

CONSULTANT

LV PANEL-1
PFC **
MAIN CONTRACTOR

MEP CONTRACTOR

Refer schedules for correction/comments in the cable and breaker rating and comply.

Provide access for transporting & stationing the Mobile Generators, intake arrangements for cabling
& connection, Identification labels and notices for connection of the generator, during emergencies. DRAWING TITLE : GENERAL DETAILS

LV PANEL -1
SCHEMATIC DIAGRAM

Scale @ A2 Date Drawn Checked Approved

NTS 29-02-2024

SHEET SIZE Drawing No. Rev.

A1 GAC-7902-SIT-E-P-SC -19 04
 KEYPLAN
ABBREVIATIONS
SP, SPN: SINGLE POLE, SINGLE POLE AND NEUTRAL.
DP, DPN: DOUBLE POLE, DOUBLE POLE AND NEUTRAL.
TP, TPN: TRIPLE POLE, TRIPLE POLE AND NEUTRAL.
(TYPICAL) DENOTES THAT THE NOTE IS APPLICABLE
SINGLE LINE SYMBOLS FOR DEVICES TO ALL SIMILAR EQUIPMENT

Refer schedules for correction/comments in the cable and breaker rating and comply. SYMBOLS DESCRIPTIONS CH CHILLER

CWP CHILLED WATER PUMP

CURRENT TRANSFORMER
AHU AIR HANDLING UNIT
ISOLATOR

SH. ZAYD ROAD

De-activate the under voltage relay tripping arrangement,
E/F EXHAUST FAN

ROAD
BUS BAR RISER W/H ELECTRIC WATER HEATER
NE
N
Ø DIAMETER

E
NW
if provided with main incomer circuit breaker within LV Panel/s
DISTRIBUTION BOARD
WP WEATHER PROOF

SE
W
SW S

K
N
A
T
SUB-MAIN DISTRIBUTION BOARD

P G
L
PF POWER FACTOR

MOTOR CONTROL CENTRE DF DIVERSITY FACTOR

E.L.C.B EARTH LEAKAGE CIRCUIT BREAKER

Strictly comply with DuIAW uW`LWcUJeLNqNJtWecǍŦǍŤŢ, during installation of capacitor banks in the
CONTROL PANEL
FCU FAN COIL UNIT

project.Ensure to limit Power Factor & Harmonics, within DEWA approved values, at all levels of loads.
MECHANICAL FAN MDB MAIN DISTRIBUTION BOARD

ELECTRIC MOTOR PUMP FA FIRE ALARM

NC NO
AUTOMATIC TRANSFER SWITCH
SMDB

DB
SUB-MAIN DISTRIBUTION BOARD

DISTRIBUTION BOARD
NOTE :
M KILOWATT HOUR METER PH PHASE

TAP OFF UNIT CP CONTROL PANEL

Ensure electricity back up arrangement for emergency lighting in escape route, corridors, stairs, PILOT LAMPS (R,Y,B) MCP MOTOR CONTROL PANEL

underground parking, service room etc for public safety during unforeseen power interruptions.
R Y B
-INDICATES PHASE REFERENCE MCC MOTOR CONTROL CENTER
ELECTRICAL & MECHANICAL INTERLOCK C.B. CIRCUIT BREAKER

FUSES E.C.C. EARTH CONTINUITY CONDUCTOR

PVC POLY VINYL CHLORIDE

MOULDED CASE CIRCUIT BREAKER
XLPE CROSS LINKED POLYETHELENE
MINIATURE CIRCUIT BREAKER MCB MINIATURE CIRCUIT BREAKER

EARTH LEAKAGE CIRCUIT BREAKER MCCB MOULDED CASE CIRCUIT BREAKER

EMU ELECTRONIC MONITORING UNIT

AIR CIRCUIT BREAKER
RMU RING MAIN UNIT
CAPACITOR BANK PANEL L.V LOW VOLTAGE

TRANSFORMER S.U SPLIT UNIT

C.U CONDENSING UNIT

G GENERATOR SET
CT CURRENT TRANSFORMER
EARTH PIT FP FIRE PUMP
M A.C MOTOR AS INDICATED (3)- CBS CENTRAL BATTERY SYSTEM
3 INDICATES NO. OF PHASES
JP JOCKEY PUMP
A AMMETER
TP TRANSFER PUMP SHOP DRAWING
V VOLTMETER BP BOOSTER PUMP

SS SELECTOR SWITCH SPF SMOKE PRESSURIZATION FAN REFERENCE DRAWINGS

SEF SMOKE EXHAUST FAN Rev DRAWING NUMBER DRAWING TITLE
OCR OVER CURRENT RELAY
SF SUPPLY FAN
UVR UVR + TIMER + CONTACTOR EF EXHAUST FAN

EF EARTH FAULT LPG LIQUIFIED PETROLEUM GAS

FPCP FIRE PUMP CONTROL PANEL

UVT UNDER VOLTAGE TRIP
SR SPECIALITY RESTAURANT
RMU RING MAIN UNIT ADD ALL DAY DINING RESTAURANT

AUX AUXILIARY SWITCH SCHWP SECONDARY CHILLED WATER PUMP

PCHWP PRIMARY CHILLED WATER PUMP

ST SHUNT TRIP
RP RECIRCULATION PUMPS

CB CAPACITOR BANK IP IRRIGATION WATER PUMP

DIRECT ON LINE STARTER FAHU FRESH AIR HANDLING UNIT

DOL
PSF PARKING SUPPLY FAN
STAR DELTA STARTER
PEF PARKING EXHAUST FAN
VFD VARIABLE FREQUENCY DRIVE SP SUMP PUMP
DRAWING STATUS
LPF LOBBY PRESSURIZATION FAN
SS SOFT STARTER
SPF SMOKE PRESSURIZATION FAN
SP SURGE PROTECTION DEVICE
HWC HOT WATER CALORIFIER
EMU ENERGY MONITORING UNIT SWP SWIMMING POOL PUMP 04 29-02-2024 Revised as per consultant comments
CTR COOLING TOWER
ELS-1 EARTH LEAKAGE SENSOR + ALARM
03 25-10-2023 Revised as per arch rev-03 & consultant comments
ECO ECOLOGY UNIT
ELS-2 100-300mA ELS + SHUNT TRIP
CHWC CENTRAL HOT WATER CALORIFIER 02 04-05-2023 Revised as per arch rev-03 & consultant comments
ELS-3 100-1000mA ELS + SHUNT TRIP PU PRESSURISATION UNIT
01 12-02-2023 Revised as per arch rev-02
CDP CHEMICAL DOZING PUMP

WFP WATER FILTER PUMP 00 26-08-2022 ISSUED FOR APPROVAL

N/A NON AUTO REV. DATE DESCRIPTION

PROJECT TITLE

Discriminate upstream and downstream breakers SKY SPIRAL TOWER

4B+G+44 BUILDING,
Dubai
PLOT NUMBER : 3720562

CLIENT

MR.GHALEB KAMEL JABER

CONSULTANT

LV PANEL-2
PFC
MAIN CONTRACTOR

MEP CONTRACTOR

Refer schedules for correction/comments in the cable and breaker rating and comply.

Provide access for transporting & stationing the Mobile Generators, intake arrangements for cabling DRAWING TITLE : GENERAL DETAILS

& connection, Identification labels and notices for connection of the generator, during emergencies. LV PANEL -2
SCHEMATIC DIAGRAM

Scale @ A2 Date Drawn Checked Approved

NTS 29-02-2024

SHEET SIZE Drawing No. Rev.

A1 GAC-7902-SIT-E-P-SC -20 04
 KEYPLAN
ABBREVIATIONS
SP, SPN: SINGLE POLE, SINGLE POLE AND NEUTRAL.
DP, DPN: DOUBLE POLE, DOUBLE POLE AND NEUTRAL.
TP, TPN: TRIPLE POLE, TRIPLE POLE AND NEUTRAL.
(TYPICAL) DENOTES THAT THE NOTE IS APPLICABLE
SINGLE LINE SYMBOLS FOR DEVICES TO ALL SIMILAR EQUIPMENT

Refer schedules for correction/comments in the cable and breaker rating and comply. SYMBOLS DESCRIPTIONS CH CHILLER

CWP CHILLED WATER PUMP

CURRENT TRANSFORMER
AHU AIR HANDLING UNIT
ISOLATOR

SH. ZAYD ROAD

E/F EXHAUST FAN

ROAD
BUS BAR RISER W/H ELECTRIC WATER HEATER
NE
N
Ø DIAMETER

E
NW
De-activate the under voltage relay tripping arrangement, DISTRIBUTION BOARD
WP WEATHER PROOF

SE
W
SW S

K
N
A
T
SUB-MAIN DISTRIBUTION BOARD

P G
L
PF POWER FACTOR

if provided with main incomer circuit breaker within LV Panel/s MOTOR CONTROL CENTRE DF DIVERSITY FACTOR

E.L.C.B EARTH LEAKAGE CIRCUIT BREAKER

CONTROL PANEL
FCU FAN COIL UNIT
MECHANICAL FAN MDB MAIN DISTRIBUTION BOARD

Strictly comply with DuIAW uW`LWcUJeLNqNJtWecǍŦǍŤŢ, during installation of capacitor banks in the ELECTRIC MOTOR PUMP FA FIRE ALARM

project.Ensure to limit Power Factor & Harmonics, within DEWA approved values, at all levels of loads. NC NO
AUTOMATIC TRANSFER SWITCH
SMDB

DB
SUB-MAIN DISTRIBUTION BOARD

DISTRIBUTION BOARD
NOTE :
M KILOWATT HOUR METER PH PHASE

TAP OFF UNIT CP CONTROL PANEL

PILOT LAMPS (R,Y,B) MCP MOTOR CONTROL PANEL

R Y B
-INDICATES PHASE REFERENCE MCC MOTOR CONTROL CENTER
ELECTRICAL & MECHANICAL INTERLOCK C.B. CIRCUIT BREAKER

FUSES E.C.C. EARTH CONTINUITY CONDUCTOR

PVC POLY VINYL CHLORIDE

MOULDED CASE CIRCUIT BREAKER
XLPE CROSS LINKED POLYETHELENE
MINIATURE CIRCUIT BREAKER MCB MINIATURE CIRCUIT BREAKER

EARTH LEAKAGE CIRCUIT BREAKER MCCB MOULDED CASE CIRCUIT BREAKER

EMU ELECTRONIC MONITORING UNIT

AIR CIRCUIT BREAKER
Ensure electricity back up arrangement for emergency lighting in escape route, corridors, stairs, RMU RING MAIN UNIT

underground parking, service room etc for public safety during unforeseen power interruptions.
CAPACITOR BANK PANEL L.V LOW VOLTAGE

TRANSFORMER S.U SPLIT UNIT

C.U CONDENSING UNIT

G GENERATOR SET
CT CURRENT TRANSFORMER
EARTH PIT FP FIRE PUMP
M A.C MOTOR AS INDICATED (3)- CBS CENTRAL BATTERY SYSTEM
3 INDICATES NO. OF PHASES
JP JOCKEY PUMP
A AMMETER
TP TRANSFER PUMP SHOP DRAWING
V VOLTMETER BP BOOSTER PUMP

SS SELECTOR SWITCH SPF SMOKE PRESSURIZATION FAN REFERENCE DRAWINGS

SEF SMOKE EXHAUST FAN Rev DRAWING NUMBER DRAWING TITLE
OCR OVER CURRENT RELAY
SF SUPPLY FAN
UVR UVR + TIMER + CONTACTOR EF EXHAUST FAN

EF EARTH FAULT LPG LIQUIFIED PETROLEUM GAS

FPCP FIRE PUMP CONTROL PANEL

UVT UNDER VOLTAGE TRIP
SR SPECIALITY RESTAURANT
RMU RING MAIN UNIT ADD ALL DAY DINING RESTAURANT

AUX AUXILIARY SWITCH SCHWP SECONDARY CHILLED WATER PUMP

PCHWP PRIMARY CHILLED WATER PUMP

ST SHUNT TRIP
RP RECIRCULATION PUMPS

CB CAPACITOR BANK IP IRRIGATION WATER PUMP

DIRECT ON LINE STARTER FAHU FRESH AIR HANDLING UNIT

DOL
PSF PARKING SUPPLY FAN
STAR DELTA STARTER
PEF PARKING EXHAUST FAN
VFD VARIABLE FREQUENCY DRIVE SP SUMP PUMP
DRAWING STATUS
LPF LOBBY PRESSURIZATION FAN
SS SOFT STARTER
SPF SMOKE PRESSURIZATION FAN
SP SURGE PROTECTION DEVICE
HWC HOT WATER CALORIFIER
EMU ENERGY MONITORING UNIT SWP SWIMMING POOL PUMP 04 29-02-2024 Revised as per consultant comments
CTR COOLING TOWER
ELS-1 EARTH LEAKAGE SENSOR + ALARM
03 25-10-2023 Revised as per arch rev-03 & consultant comments
ECO ECOLOGY UNIT
ELS-2 100-300mA ELS + SHUNT TRIP
CHWC CENTRAL HOT WATER CALORIFIER 02 04-05-2023 Revised as per arch rev-03 & consultant comments
ELS-3 100-1000mA ELS + SHUNT TRIP PU PRESSURISATION UNIT
01 12-02-2023 Revised as per arch rev-02
CDP CHEMICAL DOZING PUMP

WFP WATER FILTER PUMP 00 26-08-2022 ISSUED FOR APPROVAL

N/A NON AUTO REV. DATE DESCRIPTION

PROJECT TITLE

SKY SPIRAL TOWER

4B+G+44 BUILDING,
Dubai
PLOT NUMBER : 3720562

Discriminate upstream and downstream breakers CLIENT

MR.GHALEB KAMEL JABER

CONSULTANT

LV PANEL-3
PFC
MAIN CONTRACTOR

MEP CONTRACTOR

Refer schedules for correction/comments in the cable and breaker rating and comply. DRAWING TITLE : GENERAL DETAILS

LV PANEL -3
Provide access for transporting & stationing the Mobile Generators, intake arrangements for cabling SCHEMATIC DIAGRAM

& connection, Identification labels and notices for connection of the generator, during emergencies.
Scale @ A2 Date Drawn Checked Approved
NTS 29-02-2024

SHEET SIZE Drawing No. Rev.

A1 GAC-7902-SIT-E-P-SC -21 04
 KEYPLAN
ABBREVIATIONS
SP, SPN: SINGLE POLE, SINGLE POLE AND NEUTRAL.
DP, DPN: DOUBLE POLE, DOUBLE POLE AND NEUTRAL.
TP, TPN: TRIPLE POLE, TRIPLE POLE AND NEUTRAL.
(TYPICAL) DENOTES THAT THE NOTE IS APPLICABLE
SINGLE LINE SYMBOLS FOR DEVICES TO ALL SIMILAR EQUIPMENT

SYMBOLS DESCRIPTIONS CH CHILLER

CWP CHILLED WATER PUMP

CURRENT TRANSFORMER

Refer schedules for correction/comments in the cable and breaker rating and comply.
AHU AIR HANDLING UNIT
ISOLATOR

SH. ZAYD ROAD

E/F EXHAUST FAN

ROAD
BUS BAR RISER W/H ELECTRIC WATER HEATER
NE
N
Ø DIAMETER

E
NW
DISTRIBUTION BOARD
WP WEATHER PROOF

SE
W
SW S

K
N
A
T
SUB-MAIN DISTRIBUTION BOARD

P G
L
PF POWER FACTOR

De-activate the under voltage relay tripping arrangement, MOTOR CONTROL CENTRE DF DIVERSITY FACTOR

E.L.C.B EARTH LEAKAGE CIRCUIT BREAKER

if provided with main incomer circuit breaker within LV Panel/s CONTROL PANEL

MECHANICAL FAN
FCU FAN COIL UNIT

MDB MAIN DISTRIBUTION BOARD

Strictly comply with DuIAW uW`LWcUJeLNqNJtWecǍŦǍŤŢ, during installation of capacitor banks in the ELECTRIC MOTOR PUMP FA FIRE ALARM

project.Ensure to limit Power Factor & Harmonics, within DEWA approved values, at all levels of loads. NC NO
AUTOMATIC TRANSFER SWITCH
SMDB

DB
SUB-MAIN DISTRIBUTION BOARD

DISTRIBUTION BOARD
NOTE :
M KILOWATT HOUR METER PH PHASE

Ensure electricity back up arrangement for emergency lighting in escape route, corridors, stairs,
TAP OFF UNIT CP CONTROL PANEL

MCP MOTOR CONTROL PANEL

underground parking, service room etc for public safety during unforeseen power interruptions.
PILOT LAMPS (R,Y,B)
R Y B
-INDICATES PHASE REFERENCE MCC MOTOR CONTROL CENTER
ELECTRICAL & MECHANICAL INTERLOCK C.B. CIRCUIT BREAKER

FUSES E.C.C. EARTH CONTINUITY CONDUCTOR

PVC POLY VINYL CHLORIDE

MOULDED CASE CIRCUIT BREAKER
XLPE CROSS LINKED POLYETHELENE
MINIATURE CIRCUIT BREAKER MCB MINIATURE CIRCUIT BREAKER

EARTH LEAKAGE CIRCUIT BREAKER MCCB MOULDED CASE CIRCUIT BREAKER

EMU ELECTRONIC MONITORING UNIT

AIR CIRCUIT BREAKER
RMU RING MAIN UNIT
CAPACITOR BANK PANEL L.V LOW VOLTAGE

TRANSFORMER S.U SPLIT UNIT

C.U CONDENSING UNIT

G GENERATOR SET
CT CURRENT TRANSFORMER
EARTH PIT FP FIRE PUMP
M A.C MOTOR AS INDICATED (3)- CBS CENTRAL BATTERY SYSTEM
3 INDICATES NO. OF PHASES
JP JOCKEY PUMP
A AMMETER
TP TRANSFER PUMP SHOP DRAWING
V VOLTMETER BP BOOSTER PUMP

SS SELECTOR SWITCH SPF SMOKE PRESSURIZATION FAN REFERENCE DRAWINGS

SEF SMOKE EXHAUST FAN Rev DRAWING NUMBER DRAWING TITLE
OCR OVER CURRENT RELAY
SF SUPPLY FAN
UVR UVR + TIMER + CONTACTOR EF EXHAUST FAN

EF EARTH FAULT LPG LIQUIFIED PETROLEUM GAS

FPCP FIRE PUMP CONTROL PANEL

UVT UNDER VOLTAGE TRIP
SR SPECIALITY RESTAURANT
RMU RING MAIN UNIT ADD ALL DAY DINING RESTAURANT

AUX AUXILIARY SWITCH SCHWP SECONDARY CHILLED WATER PUMP

PCHWP PRIMARY CHILLED WATER PUMP

ST SHUNT TRIP
RP RECIRCULATION PUMPS

CB CAPACITOR BANK IP IRRIGATION WATER PUMP

DIRECT ON LINE STARTER FAHU FRESH AIR HANDLING UNIT

DOL
PSF PARKING SUPPLY FAN
STAR DELTA STARTER
PEF PARKING EXHAUST FAN
VFD VARIABLE FREQUENCY DRIVE SP SUMP PUMP
DRAWING STATUS
LPF LOBBY PRESSURIZATION FAN
SS SOFT STARTER
SPF SMOKE PRESSURIZATION FAN
SP SURGE PROTECTION DEVICE
HWC HOT WATER CALORIFIER
EMU ENERGY MONITORING UNIT SWP SWIMMING POOL PUMP 04 29-02-2024 Revised as per consultant comments
Discriminate upstream and downstream breakers ELS-1

ELS-2
EARTH LEAKAGE SENSOR + ALARM

100-300mA ELS + SHUNT TRIP

CTR

ECO
COOLING TOWER

ECOLOGY UNIT
03 25-10-2023 Revised as per arch rev-03 & consultant comments
CHWC CENTRAL HOT WATER CALORIFIER 02 04-05-2023 Revised as per arch rev-03 & consultant comments
ELS-3 100-1000mA ELS + SHUNT TRIP PU PRESSURISATION UNIT
01 12-02-2023 Revised as per arch rev-02
CDP CHEMICAL DOZING PUMP

WFP WATER FILTER PUMP 00 26-08-2022 ISSUED FOR APPROVAL

N/A NON AUTO REV. DATE DESCRIPTION

PROJECT TITLE

SKY SPIRAL TOWER

4B+G+44 BUILDING,
Dubai
PLOT NUMBER : 3720562

LV PANEL-4
PFC CLIENT

MR.GHALEB KAMEL JABER

CONSULTANT

MAIN CONTRACTOR

MEP CONTRACTOR

Refer schedules for correction/comments in the cable and breaker rating and comply.

Provide access for transporting & stationing the Mobile Generators, intake arrangements for cabling
& connection, Identification labels and notices for connection of the generator, during emergencies. DRAWING TITLE : GENERAL DETAILS

LV PANEL -4
SCHEMATIC DIAGRAM

Scale @ A2 Date Drawn Checked Approved

NTS 29-02-2024

SHEET SIZE Drawing No. Rev.

A1 GAC-7902-SIT-E-P-SC -22 04
 Refer schedules for correction/comments in the cable and breaker rating and comply.
KEYPLAN
ABBREVIATIONS
De-activate the under voltage relay tripping arrangement, SP, SPN: SINGLE POLE, SINGLE POLE AND NEUTRAL.
DP, DPN: DOUBLE POLE, DOUBLE POLE AND NEUTRAL.

if provided with main incomer circuit breaker within LV Panel/s TP, TPN: TRIPLE POLE, TRIPLE POLE AND NEUTRAL.
(TYPICAL) DENOTES THAT THE NOTE IS APPLICABLE
SINGLE LINE SYMBOLS FOR DEVICES TO ALL SIMILAR EQUIPMENT

Strictly comply with DuIAW uW`LWcUJeLNqNJtWecǍŦǍŤŢ, during installation of capacitor banks in the
SYMBOLS DESCRIPTIONS CH CHILLER

CWP CHILLED WATER PUMP

project.Ensure to limit Power Factor & Harmonics, within DEWA approved values, at all levels of loads. CURRENT TRANSFORMER
AHU AIR HANDLING UNIT
ISOLATOR

SH. ZAYD ROAD

E/F EXHAUST FAN

ROAD
Ensure electricity back up arrangement for emergency lighting in escape route, corridors, stairs,
BUS BAR RISER W/H ELECTRIC WATER HEATER
NE
N

underground parking, service room etc for public safety during unforeseen power interruptions.
Ø DIAMETER

E
NW
DISTRIBUTION BOARD
WP WEATHER PROOF

SE
W
SW S

K
N
A
T
SUB-MAIN DISTRIBUTION BOARD

P G
L
PF POWER FACTOR

MOTOR CONTROL CENTRE DF DIVERSITY FACTOR

E.L.C.B EARTH LEAKAGE CIRCUIT BREAKER

CONTROL PANEL
FCU FAN COIL UNIT
MECHANICAL FAN MDB MAIN DISTRIBUTION BOARD

ELECTRIC MOTOR PUMP FA FIRE ALARM

NC NO
AUTOMATIC TRANSFER SWITCH
SMDB

DB
SUB-MAIN DISTRIBUTION BOARD

DISTRIBUTION BOARD
NOTE :
M KILOWATT HOUR METER PH PHASE

TAP OFF UNIT CP CONTROL PANEL

PILOT LAMPS (R,Y,B) MCP MOTOR CONTROL PANEL

R Y B
-INDICATES PHASE REFERENCE MCC MOTOR CONTROL CENTER
ELECTRICAL & MECHANICAL INTERLOCK C.B. CIRCUIT BREAKER

FUSES E.C.C. EARTH CONTINUITY CONDUCTOR

PVC POLY VINYL CHLORIDE

MOULDED CASE CIRCUIT BREAKER
XLPE CROSS LINKED POLYETHELENE
MINIATURE CIRCUIT BREAKER MCB MINIATURE CIRCUIT BREAKER

EARTH LEAKAGE CIRCUIT BREAKER MCCB MOULDED CASE CIRCUIT BREAKER

EMU ELECTRONIC MONITORING UNIT

AIR CIRCUIT BREAKER
RMU RING MAIN UNIT
CAPACITOR BANK PANEL L.V LOW VOLTAGE

TRANSFORMER S.U SPLIT UNIT

C.U CONDENSING UNIT

G GENERATOR SET
CT CURRENT TRANSFORMER
EARTH PIT FP FIRE PUMP
M A.C MOTOR AS INDICATED (3)- CBS CENTRAL BATTERY SYSTEM
3 INDICATES NO. OF PHASES
JP JOCKEY PUMP
A AMMETER
TP TRANSFER PUMP SHOP DRAWING
V VOLTMETER BP BOOSTER PUMP

SS SELECTOR SWITCH SPF SMOKE PRESSURIZATION FAN REFERENCE DRAWINGS

SEF SMOKE EXHAUST FAN Rev DRAWING NUMBER DRAWING TITLE
OCR OVER CURRENT RELAY
SF SUPPLY FAN
UVR UVR + TIMER + CONTACTOR EF EXHAUST FAN

EF EARTH FAULT LPG LIQUIFIED PETROLEUM GAS

FPCP FIRE PUMP CONTROL PANEL

UVT UNDER VOLTAGE TRIP
SR SPECIALITY RESTAURANT
RMU RING MAIN UNIT ADD ALL DAY DINING RESTAURANT

AUX AUXILIARY SWITCH SCHWP SECONDARY CHILLED WATER PUMP

PCHWP PRIMARY CHILLED WATER PUMP

ST SHUNT TRIP
RP RECIRCULATION PUMPS

CB CAPACITOR BANK IP IRRIGATION WATER PUMP

DIRECT ON LINE STARTER FAHU FRESH AIR HANDLING UNIT

DOL
PSF PARKING SUPPLY FAN
STAR DELTA STARTER
PEF PARKING EXHAUST FAN
VFD VARIABLE FREQUENCY DRIVE SP SUMP PUMP
DRAWING STATUS
LPF LOBBY PRESSURIZATION FAN
SS SOFT STARTER
SPF SMOKE PRESSURIZATION FAN
SP SURGE PROTECTION DEVICE
HWC HOT WATER CALORIFIER
EMU ENERGY MONITORING UNIT SWP SWIMMING POOL PUMP 04 29-02-2024 Revised as per consultant comments
CTR COOLING TOWER
ELS-1 EARTH LEAKAGE SENSOR + ALARM
03 25-10-2023 Revised as per arch rev-03 & consultant comments
ECO ECOLOGY UNIT
ELS-2 100-300mA ELS + SHUNT TRIP
CHWC CENTRAL HOT WATER CALORIFIER 02 04-05-2023 Revised as per arch rev-03 & consultant comments
ELS-3 100-1000mA ELS + SHUNT TRIP PU PRESSURISATION UNIT
01 12-02-2023 Revised as per arch rev-02
CDP CHEMICAL DOZING PUMP

WFP WATER FILTER PUMP 00 26-08-2022 ISSUED FOR APPROVAL

N/A NON AUTO REV. DATE DESCRIPTION

PROJECT TITLE

SKY SPIRAL TOWER

4B+G+44 BUILDING,
Dubai
PLOT NUMBER : 3720562

LV PANEL-5 CLIENT

PFC
MR.GHALEB KAMEL JABER

CONSULTANT

MAIN CONTRACTOR

Refer schedules for correction/comments in the cable and breaker rating and comply.

Provide access for transporting & stationing the Mobile Generators, intake arrangements for cabling MEP CONTRACTOR

& connection, Identification labels and notices for connection of the generator, during emergencies.

DRAWING TITLE : GENERAL DETAILS

LV PANEL -5
SCHEMATIC DIAGRAM

Scale @ A2 Date Drawn Checked Approved

NTS 29-02-2024

SHEET SIZE Drawing No. Rev.

A1 GAC-7902-SIT-E-P-SC -23 04
 KEYPLAN
ABBREVIATIONS
SP, SPN: SINGLE POLE, SINGLE POLE AND NEUTRAL.
DP, DPN: DOUBLE POLE, DOUBLE POLE AND NEUTRAL.
TP, TPN: TRIPLE POLE, TRIPLE POLE AND NEUTRAL.
(TYPICAL) DENOTES THAT THE NOTE IS APPLICABLE
SINGLE LINE SYMBOLS FOR DEVICES TO ALL SIMILAR EQUIPMENT

Refer schedules for correction/comments in the cable and breaker rating and comply. SYMBOLS DESCRIPTIONS CH CHILLER

CWP CHILLED WATER PUMP

CURRENT TRANSFORMER
AHU AIR HANDLING UNIT
ISOLATOR

SH. ZAYD ROAD

E/F EXHAUST FAN

ROAD
BUS BAR RISER W/H ELECTRIC WATER HEATER
NE
N
Ø DIAMETER

E
NW
DISTRIBUTION BOARD
WP WEATHER PROOF

SE
W
SW S

K
N
A
T
SUB-MAIN DISTRIBUTION BOARD

P G
L
PF POWER FACTOR

MOTOR CONTROL CENTRE DF DIVERSITY FACTOR

E.L.C.B EARTH LEAKAGE CIRCUIT BREAKER

CONTROL PANEL
FCU FAN COIL UNIT
MECHANICAL FAN MDB MAIN DISTRIBUTION BOARD

Strictly comply with DuIAW uW`LWcUJeLNqNJtWecǍŦǍŤŢ, during installation of capacitor banks in the ELECTRIC MOTOR PUMP FA FIRE ALARM

project.Ensure to limit Power Factor & Harmonics, within DEWA approved values, at all levels of loads. NC NO
AUTOMATIC TRANSFER SWITCH
SMDB

DB
SUB-MAIN DISTRIBUTION BOARD

DISTRIBUTION BOARD
NOTE :
M KILOWATT HOUR METER PH PHASE

TAP OFF UNIT CP CONTROL PANEL

PILOT LAMPS (R,Y,B) MCP MOTOR CONTROL PANEL

Ensure electricity back up arrangement for emergency lighting in escape route, corridors, stairs,
R Y B
-INDICATES PHASE REFERENCE MCC MOTOR CONTROL CENTER

underground parking, service room etc for public safety during unforeseen power interruptions. ELECTRICAL & MECHANICAL INTERLOCK C.B. CIRCUIT BREAKER

FUSES E.C.C. EARTH CONTINUITY CONDUCTOR

PVC POLY VINYL CHLORIDE

De-activate the under voltage relay tripping arrangement, MOULDED CASE CIRCUIT BREAKER
XLPE CROSS LINKED POLYETHELENE
MINIATURE CIRCUIT BREAKER
if provided with main incomer circuit breaker within LV Panel/s EARTH LEAKAGE CIRCUIT BREAKER
MCB

MCCB
MINIATURE CIRCUIT BREAKER

MOULDED CASE CIRCUIT BREAKER

EMU ELECTRONIC MONITORING UNIT

AIR CIRCUIT BREAKER
RMU RING MAIN UNIT
CAPACITOR BANK PANEL L.V LOW VOLTAGE

TRANSFORMER S.U SPLIT UNIT

C.U CONDENSING UNIT

G GENERATOR SET
CT CURRENT TRANSFORMER
EARTH PIT FP FIRE PUMP
M A.C MOTOR AS INDICATED (3)- CBS CENTRAL BATTERY SYSTEM
3 INDICATES NO. OF PHASES
JP JOCKEY PUMP
A AMMETER
TP TRANSFER PUMP SHOP DRAWING
V VOLTMETER BP BOOSTER PUMP

SS SELECTOR SWITCH SPF SMOKE PRESSURIZATION FAN REFERENCE DRAWINGS

SEF SMOKE EXHAUST FAN Rev DRAWING NUMBER DRAWING TITLE
OCR OVER CURRENT RELAY
SF SUPPLY FAN
UVR UVR + TIMER + CONTACTOR EF EXHAUST FAN

EF EARTH FAULT LPG LIQUIFIED PETROLEUM GAS

FPCP FIRE PUMP CONTROL PANEL

UVT UNDER VOLTAGE TRIP
SR SPECIALITY RESTAURANT
RMU RING MAIN UNIT ADD ALL DAY DINING RESTAURANT

AUX AUXILIARY SWITCH SCHWP SECONDARY CHILLED WATER PUMP

PCHWP PRIMARY CHILLED WATER PUMP

ST SHUNT TRIP
RP RECIRCULATION PUMPS

CB CAPACITOR BANK IP IRRIGATION WATER PUMP

DIRECT ON LINE STARTER FAHU FRESH AIR HANDLING UNIT

DOL
PSF PARKING SUPPLY FAN
STAR DELTA STARTER
PEF PARKING EXHAUST FAN
VFD VARIABLE FREQUENCY DRIVE SP SUMP PUMP
DRAWING STATUS
LPF LOBBY PRESSURIZATION FAN
SS SOFT STARTER
SPF SMOKE PRESSURIZATION FAN
SP SURGE PROTECTION DEVICE
HWC HOT WATER CALORIFIER
EMU ENERGY MONITORING UNIT SWP SWIMMING POOL PUMP 04 29-02-2024 Revised as per consultant comments
CTR COOLING TOWER
ELS-1 EARTH LEAKAGE SENSOR + ALARM
03 25-10-2023 Revised as per arch rev-03 & consultant comments
ECO ECOLOGY UNIT
ELS-2 100-300mA ELS + SHUNT TRIP
CHWC CENTRAL HOT WATER CALORIFIER 02 04-05-2023 Revised as per arch rev-03 & consultant comments
ELS-3 100-1000mA ELS + SHUNT TRIP PU PRESSURISATION UNIT
01 12-02-2023 Revised as per arch rev-02
CDP CHEMICAL DOZING PUMP

WFP WATER FILTER PUMP 00 26-08-2022 ISSUED FOR APPROVAL

N/A NON AUTO REV. DATE DESCRIPTION

PROJECT TITLE

SKY SPIRAL TOWER

4B+G+44 BUILDING,
Dubai
LV PANEL-6 PLOT NUMBER : 3720562

PFC

CLIENT

MR.GHALEB KAMEL JABER

CONSULTANT

MAIN CONTRACTOR

MEP CONTRACTOR

DRAWING TITLE : GENERAL DETAILS

LV PANEL -6
SCHEMATIC DIAGRAM
Refer schedules for correction/comments in the cable and breaker rating and comply.
Scale @ A2 Date Drawn Checked Approved
Provide access for transporting & stationing the Mobile Generators, intake arrangements for cabling NTS 29-02-2024

& connection, Identification labels and notices for connection of the generator, during emergencies. SHEET SIZE Drawing No. Rev.
A1 GAC-7902-SIT-E-P-SC -24 04
 KEYPLAN
ABBREVIATIONS
SP, SPN: SINGLE POLE, SINGLE POLE AND NEUTRAL.
DP, DPN: DOUBLE POLE, DOUBLE POLE AND NEUTRAL.
TP, TPN: TRIPLE POLE, TRIPLE POLE AND NEUTRAL.
(TYPICAL) DENOTES THAT THE NOTE IS APPLICABLE
SINGLE LINE SYMBOLS FOR DEVICES TO ALL SIMILAR EQUIPMENT

Refer schedules for correction/comments in the cable and breaker rating and comply. SYMBOLS DESCRIPTIONS CH CHILLER

CWP CHILLED WATER PUMP

CURRENT TRANSFORMER
AHU AIR HANDLING UNIT
ISOLATOR

SH. ZAYD ROAD

E/F EXHAUST FAN
restore supply for Chillers/Air-conditioning Units, after normalization of supply voltage, when the relay re

ROAD
BUS BAR RISER W/H ELECTRIC WATER HEATER
NE
N
Ø DIAMETER

E
NW
DISTRIBUTION BOARD
WP WEATHER PROOF

SE
Ensure to switch off major load during testing of fire pump to limit load on transformer as per DEWA standard.

W
SW S

K
N
A
T
SUB-MAIN DISTRIBUTION BOARD

P G
L
PF POWER FACTOR

MOTOR CONTROL CENTRE DF DIVERSITY FACTOR

E.L.C.B EARTH LEAKAGE CIRCUIT BREAKER

CONTROL PANEL
FCU FAN COIL UNIT
MECHANICAL FAN MDB MAIN DISTRIBUTION BOARD

ELECTRIC MOTOR PUMP FA FIRE ALARM

Strictly comply with DuIAW uW`LWcUJeLNqNJtWecǍŦǍŤŢ, during installation of capacitor banks in the NC NO
AUTOMATIC TRANSFER SWITCH
SMDB

DB
SUB-MAIN DISTRIBUTION BOARD

DISTRIBUTION BOARD
NOTE :
project.Ensure to limit Power Factor & Harmonics, within DEWA approved values, at all levels of loads. M KILOWATT HOUR METER PH PHASE

TAP OFF UNIT CP CONTROL PANEL

MCP MOTOR CONTROL PANEL

Ensure electricity back up arrangement for emergency lighting in escape route, corridors, stairs,
PILOT LAMPS (R,Y,B)
R Y B
-INDICATES PHASE REFERENCE MCC MOTOR CONTROL CENTER
underground parking, service room etc for public safety during unforeseen power interruptions. ELECTRICAL & MECHANICAL INTERLOCK C.B. CIRCUIT BREAKER

FUSES E.C.C. EARTH CONTINUITY CONDUCTOR

PVC POLY VINYL CHLORIDE

MOULDED CASE CIRCUIT BREAKER
XLPE CROSS LINKED POLYETHELENE
MINIATURE CIRCUIT BREAKER MCB MINIATURE CIRCUIT BREAKER

De-activate the under voltage relay tripping arrangement, EARTH LEAKAGE CIRCUIT BREAKER MCCB MOULDED CASE CIRCUIT BREAKER

EMU ELECTRONIC MONITORING UNIT

if provided with main incomer circuit breaker within LV Panel/s AIR CIRCUIT BREAKER
RMU RING MAIN UNIT
CAPACITOR BANK PANEL L.V LOW VOLTAGE

TRANSFORMER S.U SPLIT UNIT

C.U CONDENSING UNIT

G GENERATOR SET
CT CURRENT TRANSFORMER
EARTH PIT FP FIRE PUMP
M A.C MOTOR AS INDICATED (3)- CBS CENTRAL BATTERY SYSTEM
3 INDICATES NO. OF PHASES
JP JOCKEY PUMP
A AMMETER
TP TRANSFER PUMP SHOP DRAWING
V VOLTMETER BP BOOSTER PUMP

SS SELECTOR SWITCH SPF SMOKE PRESSURIZATION FAN REFERENCE DRAWINGS

SEF SMOKE EXHAUST FAN Rev DRAWING NUMBER DRAWING TITLE
OCR OVER CURRENT RELAY
SF SUPPLY FAN
UVR UVR + TIMER + CONTACTOR EF EXHAUST FAN

EF EARTH FAULT LPG LIQUIFIED PETROLEUM GAS

FPCP FIRE PUMP CONTROL PANEL

UVT UNDER VOLTAGE TRIP
SR SPECIALITY RESTAURANT
RMU RING MAIN UNIT ADD ALL DAY DINING RESTAURANT
2500A AUX AUXILIARY SWITCH SCHWP SECONDARY CHILLED WATER PUMP

PCHWP PRIMARY CHILLED WATER PUMP

ST SHUNT TRIP
RP RECIRCULATION PUMPS

CB CAPACITOR BANK IP IRRIGATION WATER PUMP

DIRECT ON LINE STARTER FAHU FRESH AIR HANDLING UNIT

DOL
PSF PARKING SUPPLY FAN
STAR DELTA STARTER
PEF PARKING EXHAUST FAN
VFD VARIABLE FREQUENCY DRIVE SP SUMP PUMP
DRAWING STATUS
LPF LOBBY PRESSURIZATION FAN
SS SOFT STARTER
SPF SMOKE PRESSURIZATION FAN
SP SURGE PROTECTION DEVICE
HWC HOT WATER CALORIFIER
EMU ENERGY MONITORING UNIT SWP SWIMMING POOL PUMP 04 29-02-2024 Revised as per consultant comments
CTR COOLING TOWER
ELS-1 EARTH LEAKAGE SENSOR + ALARM
03 25-10-2023 Revised as per arch rev-03 & consultant comments
ECO ECOLOGY UNIT
ELS-2 100-300mA ELS + SHUNT TRIP
02 04-05-2023 Revised as per arch rev-03 & consultant comments
Discriminate upstream and downstream breakers
CHWC CENTRAL HOT WATER CALORIFIER

ELS-3 100-1000mA ELS + SHUNT TRIP PU PRESSURISATION UNIT

01 12-02-2023 Revised as per arch rev-02
CDP CHEMICAL DOZING PUMP

WFP WATER FILTER PUMP 00 26-08-2022 ISSUED FOR APPROVAL

N/A NON AUTO REV. DATE DESCRIPTION

PROJECT TITLE

2500A
SKY SPIRAL TOWER
4B+G+44 BUILDING,
Dubai
PLOT NUMBER : 3720562

CLIENT

LV PANEL-7 MR.GHALEB KAMEL JABER

PFC
CONSULTANT

MAIN CONTRACTOR

MEP CONTRACTOR

Refer schedules for correction/comments in the cable and breaker rating and comply.

Provide access for transporting & stationing the Mobile Generators, intake arrangements for cabling DRAWING TITLE : GENERAL DETAILS

& connection, Identification labels and notices for connection of the generator, during emergencies. LV PANEL -7
SCHEMATIC DIAGRAM

Scale @ A2 Date Drawn Checked Approved

NTS 29-02-2024

SHEET SIZE Drawing No. Rev.

A1 GAC-7902-SIT-E-P-SC -25 04
 KEYPLAN
ABBREVIATIONS
SP, SPN: SINGLE POLE, SINGLE POLE AND NEUTRAL.
DP, DPN: DOUBLE POLE, DOUBLE POLE AND NEUTRAL.
TP, TPN: TRIPLE POLE, TRIPLE POLE AND NEUTRAL.
(TYPICAL) DENOTES THAT THE NOTE IS APPLICABLE
SINGLE LINE SYMBOLS FOR DEVICES TO ALL SIMILAR EQUIPMENT

Refer schedules for correction/comments in the cable and breaker rating and comply. SYMBOLS DESCRIPTIONS CH CHILLER

CWP CHILLED WATER PUMP

CURRENT TRANSFORMER
AHU AIR HANDLING UNIT
ISOLATOR

SH. ZAYD ROAD

E/F EXHAUST FAN

ROAD
BUS BAR RISER W/H ELECTRIC WATER HEATER
NE
N
Ø DIAMETER

E
NW
DISTRIBUTION BOARD
WP WEATHER PROOF

SE
W
SW S

K
N
A
T
SUB-MAIN DISTRIBUTION BOARD

P G
L
PF POWER FACTOR

MOTOR CONTROL CENTRE DF DIVERSITY FACTOR

E.L.C.B EARTH LEAKAGE CIRCUIT BREAKER

CONTROL PANEL
FCU FAN COIL UNIT
MECHANICAL FAN MDB MAIN DISTRIBUTION BOARD

ELECTRIC MOTOR PUMP FA FIRE ALARM

NC NO
AUTOMATIC TRANSFER SWITCH
SMDB

DB
SUB-MAIN DISTRIBUTION BOARD

DISTRIBUTION BOARD
NOTE :
M KILOWATT HOUR METER PH PHASE

TAP OFF UNIT CP CONTROL PANEL

PILOT LAMPS (R,Y,B) MCP MOTOR CONTROL PANEL

R Y B
-INDICATES PHASE REFERENCE MCC MOTOR CONTROL CENTER
ELECTRICAL & MECHANICAL INTERLOCK C.B. CIRCUIT BREAKER

FUSES E.C.C. EARTH CONTINUITY CONDUCTOR

PVC POLY VINYL CHLORIDE

MOULDED CASE CIRCUIT BREAKER
XLPE CROSS LINKED POLYETHELENE
MINIATURE CIRCUIT BREAKER MCB MINIATURE CIRCUIT BREAKER

EARTH LEAKAGE CIRCUIT BREAKER MCCB MOULDED CASE CIRCUIT BREAKER

EMU ELECTRONIC MONITORING UNIT

AIR CIRCUIT BREAKER
RMU RING MAIN UNIT
CAPACITOR BANK PANEL L.V LOW VOLTAGE

TRANSFORMER S.U SPLIT UNIT

C.U CONDENSING UNIT

G GENERATOR SET
CT CURRENT TRANSFORMER
EARTH PIT FP FIRE PUMP
M A.C MOTOR AS INDICATED (3)- CBS CENTRAL BATTERY SYSTEM
3 INDICATES NO. OF PHASES
JP JOCKEY PUMP
A AMMETER
TP TRANSFER PUMP SHOP DRAWING
V VOLTMETER BP BOOSTER PUMP

SS SELECTOR SWITCH SPF SMOKE PRESSURIZATION FAN REFERENCE DRAWINGS

SEF SMOKE EXHAUST FAN Rev DRAWING NUMBER DRAWING TITLE
OCR OVER CURRENT RELAY
SF SUPPLY FAN
UVR UVR + TIMER + CONTACTOR EF EXHAUST FAN

EF EARTH FAULT LPG LIQUIFIED PETROLEUM GAS

FPCP FIRE PUMP CONTROL PANEL

UVT UNDER VOLTAGE TRIP
SR SPECIALITY RESTAURANT
RMU RING MAIN UNIT ADD ALL DAY DINING RESTAURANT

AUX AUXILIARY SWITCH SCHWP SECONDARY CHILLED WATER PUMP

PCHWP PRIMARY CHILLED WATER PUMP

ST SHUNT TRIP
RP RECIRCULATION PUMPS

CB CAPACITOR BANK IP IRRIGATION WATER PUMP

DIRECT ON LINE STARTER FAHU FRESH AIR HANDLING UNIT

DOL
PSF PARKING SUPPLY FAN
STAR DELTA STARTER
PEF PARKING EXHAUST FAN
VFD VARIABLE FREQUENCY DRIVE SP SUMP PUMP
DRAWING STATUS
LPF LOBBY PRESSURIZATION FAN
SS SOFT STARTER
SPF SMOKE PRESSURIZATION FAN
SP SURGE PROTECTION DEVICE
HWC HOT WATER CALORIFIER
EMU ENERGY MONITORING UNIT SWP SWIMMING POOL PUMP 04 29-02-2024 Revised as per consultant comments
CTR COOLING TOWER
ELS-1 EARTH LEAKAGE SENSOR + ALARM
03 25-10-2023 Revised as per arch rev-03 & consultant comments
ECO ECOLOGY UNIT
ELS-2 100-300mA ELS + SHUNT TRIP
CHWC CENTRAL HOT WATER CALORIFIER 02 04-05-2023 Revised as per arch rev-03 & consultant comments
ELS-3 100-1000mA ELS + SHUNT TRIP PU PRESSURISATION UNIT
01 12-02-2023 Revised as per arch rev-02
CDP CHEMICAL DOZING PUMP

WFP WATER FILTER PUMP 00 26-08-2022 ISSUED FOR APPROVAL

N/A NON AUTO REV. DATE DESCRIPTION

PROJECT TITLE

SKY SPIRAL TOWER

4B+G+44 BUILDING,
Dubai
2500A EMDB PLOT NUMBER : 3720562

CLIENT

2500A-Refer CL/MD
MR.GHALEB KAMEL JABER

FROM LV PANEL-6 CONSULTANT

1500(refer CL/MD)

MAIN CONTRACTOR

MEP CONTRACTOR

DRAWING TITLE : GENERAL DETAILS

EMDB
SCHEMATIC DIAGRAM

Scale @ A2 Date Drawn Checked Approved

NTS 29-02-2024

SHEET SIZE Drawing No. Rev.

A1 GAC-7902-SIT-E-P-SC -25A 04
 KEYPLAN
ABBREVIATIONS
SP, SPN: SINGLE POLE, SINGLE POLE AND NEUTRAL.
DP, DPN: DOUBLE POLE, DOUBLE POLE AND NEUTRAL.
TP, TPN: TRIPLE POLE, TRIPLE POLE AND NEUTRAL.
(TYPICAL) DENOTES THAT THE NOTE IS APPLICABLE
SINGLE LINE SYMBOLS FOR DEVICES TO ALL SIMILAR EQUIPMENT

Refer schedules for correction/comments in the cable and breaker rating and comply. SYMBOLS DESCRIPTIONS CH

CWP
CHILLER

CHILLED WATER PUMP

CURRENT TRANSFORMER
AHU AIR HANDLING UNIT
ISOLATOR

SH. ZAYD ROAD

E/F EXHAUST FAN

ROAD
BUS BAR RISER W/H ELECTRIC WATER HEATER
NE
N
Ø DIAMETER

E
NW
DISTRIBUTION BOARD
WP WEATHER PROOF

SE
W
SW S

K
N
A
T
SUB-MAIN DISTRIBUTION BOARD

P G
L
PF POWER FACTOR

MOTOR CONTROL CENTRE DF DIVERSITY FACTOR

E.L.C.B EARTH LEAKAGE CIRCUIT BREAKER

CONTROL PANEL
FCU FAN COIL UNIT
MECHANICAL FAN MDB MAIN DISTRIBUTION BOARD
M M M M M M M M M M M M M M M M M M M M M M M M M M M M M M M M
ELECTRIC MOTOR PUMP FA FIRE ALARM

NC NO
AUTOMATIC TRANSFER SWITCH
SMDB

DB
SUB-MAIN DISTRIBUTION BOARD

DISTRIBUTION BOARD
NOTE :
M KILOWATT HOUR METER PH PHASE

TAP OFF UNIT CP CONTROL PANEL

SMDB-1F SMDB-TF (2nd TO 20th FLOOR) SMDB-TF (22nd TO 38th FLOOR)
PILOT LAMPS (R,Y,B) MCP MOTOR CONTROL PANEL
R Y B
-INDICATES PHASE REFERENCE MCC MOTOR CONTROL CENTER
ELECTRICAL & MECHANICAL INTERLOCK C.B. CIRCUIT BREAKER

FUSES E.C.C. EARTH CONTINUITY CONDUCTOR

PVC POLY VINYL CHLORIDE

MOULDED CASE CIRCUIT BREAKER
XLPE CROSS LINKED POLYETHELENE
MINIATURE CIRCUIT BREAKER MCB MINIATURE CIRCUIT BREAKER

EARTH LEAKAGE CIRCUIT BREAKER MCCB MOULDED CASE CIRCUIT BREAKER

EMU ELECTRONIC MONITORING UNIT

AIR CIRCUIT BREAKER
RMU RING MAIN UNIT
CAPACITOR BANK PANEL L.V LOW VOLTAGE

TRANSFORMER S.U SPLIT UNIT

C.U CONDENSING UNIT

G GENERATOR SET
CT CURRENT TRANSFORMER
M M M M M M M M M M M M M M M M M M M M M M M M M M M M M
EARTH PIT FP FIRE PUMP
M A.C MOTOR AS INDICATED (3)- CBS CENTRAL BATTERY SYSTEM
3 INDICATES NO. OF PHASES
JP JOCKEY PUMP
A AMMETER
TP TRANSFER PUMP SHOP DRAWING
V VOLTMETER BP BOOSTER PUMP
SMDB-21F SMDB-TF (39th TO 44th FLOOR) SMDB-SHOP -01 (SHOP 01 TO SHOP 11) SMDB-SHOP -02 (SHOP 12 TO SHOP 19)
SS SELECTOR SWITCH SPF SMOKE PRESSURIZATION FAN REFERENCE DRAWINGS
SEF SMOKE EXHAUST FAN Rev DRAWING NUMBER DRAWING TITLE
OCR OVER CURRENT RELAY
SF SUPPLY FAN
UVR UVR + TIMER + CONTACTOR EF EXHAUST FAN

EF EARTH FAULT LPG LIQUIFIED PETROLEUM GAS

FPCP FIRE PUMP CONTROL PANEL

UVT UNDER VOLTAGE TRIP
SR SPECIALITY RESTAURANT
RMU RING MAIN UNIT ADD ALL DAY DINING RESTAURANT

AUX AUXILIARY SWITCH SCHWP SECONDARY CHILLED WATER PUMP

PCHWP PRIMARY CHILLED WATER PUMP

ST SHUNT TRIP
RP RECIRCULATION PUMPS

CB CAPACITOR BANK IP IRRIGATION WATER PUMP

DIRECT ON LINE STARTER FAHU FRESH AIR HANDLING UNIT

DOL
PSF PARKING SUPPLY FAN
STAR DELTA STARTER
PEF PARKING EXHAUST FAN
VFD VARIABLE FREQUENCY DRIVE SP SUMP PUMP
DRAWING STATUS
LPF LOBBY PRESSURIZATION FAN
SS SOFT STARTER
SPF SMOKE PRESSURIZATION FAN
SP SURGE PROTECTION DEVICE
HWC HOT WATER CALORIFIER
SMDB-LL1 SMDB-LL2 SMDB-LL3
EMU ENERGY MONITORING UNIT SWP SWIMMING POOL PUMP 04 29-02-2024 Revised as per consultant comments
CTR COOLING TOWER
ELS-1 EARTH LEAKAGE SENSOR + ALARM
03 25-10-2023 Revised as per arch rev-03 & consultant comments
ECO ECOLOGY UNIT
ELS-2 100-300mA ELS + SHUNT TRIP
CHWC CENTRAL HOT WATER CALORIFIER 02 04-05-2023 Revised as per arch rev-03 & consultant comments
ELS-3 100-1000mA ELS + SHUNT TRIP PU PRESSURISATION UNIT
01 12-02-2023 Revised as per arch rev-02
CDP CHEMICAL DOZING PUMP

WFP WATER FILTER PUMP 00 26-08-2022 ISSUED FOR APPROVAL

N/A NON AUTO REV. DATE DESCRIPTION

PROJECT TITLE

SKY SPIRAL TOWER

4B+G+44 BUILDING,
Dubai
PLOT NUMBER : 3720562
MCC-FAHU-1 MCC-FAHU-2 MCC-CHW(01) MCC-CHW(02)

CLIENT

MR.GHALEB KAMEL JABER

CONSULTANT

MAIN CONTRACTOR

MEP CONTRACTOR

SMDB-SW

DRAWING TITLE : GENERAL DETAILS

SMDB
SCHEMATIC DIAGRAM (1/2)

Scale @ A2 Date Drawn Checked Approved

NTS 29-02-2024

SHEET SIZE Drawing No. Rev.

A1 GAC-7902-SIT-E-P-SC -26 04
 KEYPLAN
ABBREVIATIONS
SP, SPN: SINGLE POLE, SINGLE POLE AND NEUTRAL.
DP, DPN: DOUBLE POLE, DOUBLE POLE AND NEUTRAL.
TP, TPN: TRIPLE POLE, TRIPLE POLE AND NEUTRAL.
(TYPICAL) DENOTES THAT THE NOTE IS APPLICABLE
SINGLE LINE SYMBOLS FOR DEVICES TO ALL SIMILAR EQUIPMENT

SYMBOLS DESCRIPTIONS CH CHILLER

CWP CHILLED WATER PUMP

CURRENT TRANSFORMER
AHU AIR HANDLING UNIT
ISOLATOR

SH. ZAYD ROAD

E/F EXHAUST FAN

ROAD
BUS BAR RISER W/H ELECTRIC WATER HEATER
NE
N
Ø DIAMETER

E
NW
DISTRIBUTION BOARD
WP WEATHER PROOF

SE
W
SW S

K
N
A
T
SUB-MAIN DISTRIBUTION BOARD

P G
L
PF POWER FACTOR

MOTOR CONTROL CENTRE DF DIVERSITY FACTOR

E.L.C.B EARTH LEAKAGE CIRCUIT BREAKER

CONTROL PANEL
FCU FAN COIL UNIT
SMDB-EV-BF1 SMDB-EV-BF2 SMDB-EV-BF3 SMDB-EV-BF4
MECHANICAL FAN MDB MAIN DISTRIBUTION BOARD

ELECTRIC MOTOR PUMP FA FIRE ALARM

NC NO
AUTOMATIC TRANSFER SWITCH
SMDB

DB
SUB-MAIN DISTRIBUTION BOARD

DISTRIBUTION BOARD
NOTE :
M KILOWATT HOUR METER PH PHASE

TAP OFF UNIT CP CONTROL PANEL

PILOT LAMPS (R,Y,B) MCP MOTOR CONTROL PANEL

Refer schedules for correction/comments in the cable and breaker rating and comply. R Y B
-INDICATES PHASE REFERENCE MCC MOTOR CONTROL CENTER
ELECTRICAL & MECHANICAL INTERLOCK C.B. CIRCUIT BREAKER

FUSES E.C.C. EARTH CONTINUITY CONDUCTOR

PVC POLY VINYL CHLORIDE

MOULDED CASE CIRCUIT BREAKER
XLPE CROSS LINKED POLYETHELENE
MINIATURE CIRCUIT BREAKER MCB MINIATURE CIRCUIT BREAKER

EARTH LEAKAGE CIRCUIT BREAKER MCCB MOULDED CASE CIRCUIT BREAKER

EMU ELECTRONIC MONITORING UNIT

AIR CIRCUIT BREAKER
RMU RING MAIN UNIT
CAPACITOR BANK PANEL L.V LOW VOLTAGE

TRANSFORMER S.U SPLIT UNIT

C.U CONDENSING UNIT

G GENERATOR SET
CT CURRENT TRANSFORMER
EARTH PIT FP FIRE PUMP
M A.C MOTOR AS INDICATED (3)- CBS CENTRAL BATTERY SYSTEM
3 INDICATES NO. OF PHASES
JP JOCKEY PUMP
A AMMETER
TP TRANSFER PUMP SHOP DRAWING
V VOLTMETER BP BOOSTER PUMP
ESMDB-LL1 ESMDB-LL2 ESMDB-LL3

SS SELECTOR SWITCH SPF SMOKE PRESSURIZATION FAN REFERENCE DRAWINGS

SEF SMOKE EXHAUST FAN Rev DRAWING NUMBER DRAWING TITLE
OCR OVER CURRENT RELAY
SF SUPPLY FAN
UVR UVR + TIMER + CONTACTOR EF EXHAUST FAN

EF EARTH FAULT LPG LIQUIFIED PETROLEUM GAS

FPCP FIRE PUMP CONTROL PANEL

UVT UNDER VOLTAGE TRIP
SR SPECIALITY RESTAURANT
RMU RING MAIN UNIT ADD ALL DAY DINING RESTAURANT

AUX AUXILIARY SWITCH SCHWP SECONDARY CHILLED WATER PUMP

PCHWP PRIMARY CHILLED WATER PUMP

ST SHUNT TRIP
RP RECIRCULATION PUMPS

CB CAPACITOR BANK IP IRRIGATION WATER PUMP

DIRECT ON LINE STARTER FAHU FRESH AIR HANDLING UNIT

DOL
PSF PARKING SUPPLY FAN
STAR DELTA STARTER
PEF PARKING EXHAUST FAN
VFD VARIABLE FREQUENCY DRIVE SP SUMP PUMP
DRAWING STATUS
LPF LOBBY PRESSURIZATION FAN
SS SOFT STARTER
SPF SMOKE PRESSURIZATION FAN
SP SURGE PROTECTION DEVICE
HWC HOT WATER CALORIFIER
EMU ENERGY MONITORING UNIT SWP SWIMMING POOL PUMP 04 29-02-2024 Revised as per consultant comments
CTR COOLING TOWER
ELS-1 EARTH LEAKAGE SENSOR + ALARM
03 25-10-2023 Revised as per arch rev-03 & consultant comments
ECO ECOLOGY UNIT
ELS-2 100-300mA ELS + SHUNT TRIP
CHWC CENTRAL HOT WATER CALORIFIER 02 04-05-2023 Revised as per arch rev-03 & consultant comments
ELS-3 100-1000mA ELS + SHUNT TRIP PU PRESSURISATION UNIT
01 12-02-2023 Revised as per arch rev-02
EMCC-01 EMCC-02 CDP CHEMICAL DOZING PUMP

WFP WATER FILTER PUMP 00 26-08-2022 ISSUED FOR APPROVAL

N/A NON AUTO REV. DATE DESCRIPTION

PROJECT TITLE

SKY SPIRAL TOWER

4B+G+44 BUILDING,
Dubai
PLOT NUMBER : 3720562

CLIENT

MR.GHALEB KAMEL JABER

EMCC-03 EMCC-04

CONSULTANT

MAIN CONTRACTOR

MEP CONTRACTOR

DRAWING TITLE : GENERAL DETAILS

SMDB
EMCC-05 EMCC-06
SCHEMATIC DIAGRAM (2/2)

Scale @ A2 Date Drawn Checked Approved

NTS 29-02-2024

SHEET SIZE Drawing No. Rev.

A1 GAC-7902-SIT-E-P-SC -26A 04