IT

NOTES

LIM
K
1. THE CONTRACTOR SHALL BE RESPONSIBLE FOR COORDINATION OF ALL SERVICES.

AC
2. ALL DUCT AND GRILLE SIZES ARE IN MM.

SETBACK LIMIT

TB
3. ALL PIPE SIZES ARE IN MM.

7500

SE
4. ALL DUCT WORK TO BE INSULATED IN ACCORDANCE WITH THE SPECIFICATION.
5. ALL CONDENSATE DRAINS SHALL RUN WITH A FALL TO THE NEAREST DEDICATED CONDENSATE DRAIN
NETWORK OR FLOOR DRAIN.
6. ALL DUCT CONNECTIONS TO AHU & FCU SHALL BE OF THE FLEXIBLE TYPE.

SE
N 7.
8.
PROPRIETARY, INSULATED ACCESS PANELS SHALL BE INSTALLED AT ALL FD'S VCD'S AND NRD'S.
FD'S SHALL BE PROVIDED WHERE DUCTS CROSS FIRE BARRIERS. ALL FD'S TO HAVE BLADES OUT OF
THE AIR STREAM.
TB 9. SUITABLE, APPROVED SLEEVES AND SEALANTS SHALL BE PROVIDED WHERE BOTH INSULATED AND NON

B AC INSULATED DUCTS PASS THROUGH WALLS/FLOORS ETC.

10. ALL CHILLED WATER VALVES ETC. IN PLANT ROOMS, RISER SHAFTS, ABOVE FALSE CEILINGS IN
K
LIM CORRIDORS AND EXTERNAL SHALL BE INSTALLED IN APPROVED ACCESSIBLE VALVE BOXES WITH QUICK

1IT 2 3 4 5 6 7 11.
RELEASE FASTENINGS.
CHILLED WATER PIPE SUPPORTS SHALL NOT PENETRATE INSULATION VAPOUR SEALS.
12. ALL DUCT WORK WITHIN 4.0 M OF UNITS OUTLETS SHALL BE ACOUSTICALLY LINED.
13. ALL DUCTWORK/PIPEWORK CROSSING EXPANSION JOINTS TO BE PROVIDED WITH EXPANSION
COMPENSATION FITTINGS.
9200 8650 8650 8650 8650 9200 14. CONTRACTOR SHALL PROVIDE BALANCING DAMPERS ON EACH DUCT BRANCH AND WHERE REQUIRED TO
ACHIEVE AIR BALANCE.
LIMIT OF 15. CONTRACTOR SHALL PROVIDE BALANCING AND REGULATING VALVES IN CHILLED WATER PIPE WORK AS
1ST FLOOR REQUIRED TO ACHIEVE WATER BALANCE EVEN NOT INDICATED ON DRAWINGS.
15000 16. CONTRACTOR SHALL PROVIDE SOUND ATTENUATORS WITHIN DUCTWORK AND OTHER SOUND ATTENUATION
ABOVE SETBACK LIMIT MEANS TO ENSURE FOLLOWING NOISE LEVELS ARE NOT EXCEEDED.
2 1
BED ROOMS - NC 35
GUEST ROOMS - NC 35
LOUNGES/LOBBIES/PREFUNCTION - NC 35
SERVICE AREAS - NC 45
17. PROVIDE STEEL PLATFORMS/RAISED WALKWAYS TO CROSS OVER SERVICES ON ROOF & PLANT ROOMS, TO
RAD-150X150 @ 32 L/s (PANTRY) ACHIEVE ADEQUATE MAINTANANCE ACCESS TO THE APPROVAL OF THE ENGINEER.
RAD-150X150 @ 32 L/s (PANTRY) RAD-150X150 @ 25 L/s (TOILET) RAD-150X150 @ 32 L/s (PANTRY)
RAD-150X150 @ 25 L/s (TOILET) G L10 RAD-150X150 @ 25 L/s (TOILET) 18. THE CONTRACTOR SHALL VERIFY SIZES OF PIPES & CIRCULATION PUMPS AND EXPANSION VESSELS OF
DUCT-150X150 HEAT RECOVERY SYSTEMS AS PER THE MANUFACTURER'S RECOMMENDATIONS. THE CALCULATION SHALL
DUCT-150X150 DUCT-150X150
BE SUBMITTED TO THE ENGINEER FOR APPROVAL.

DUCT- 150X150 @ 64 L/S (T/A)

B 19. CONTRACTOR SHALL CALCULATE EXACT HEAD OF ALL PUMPS/FANS AND CALCULATIONS SHALL BE
SUBMITTED TO THE APPROVAL OF ENGINEER.
DUCT- 150X150 @ 32 750
L/S 0(F/B) RETURN AIR GRILLE 20. FINAL LOCATION OF THERMOSTATS FOR COMMON AREAS LIKE BED ROOMS, GUEST ROOMS, CORRIDORS,
VESTIBULES, OFFICES, GATHERING SPACE, etc. TO BE AGREED WITH ENGINEER DURING CONTRACT
SETBACK LIMIT SIZE-150X150 @ 28 L/S EXECUTION.
DUCT- 150X150 @ 50 L/S (T/A) 21. THERMOSTAT MOUNTING HEIGHT SHALL BE 1.5m FROM FINISHED FLOOR LEVEL.
DUCT- 150X150 @ 25 L/S (F/B) 22. PROVIDE LIGHTWEIGHT PARTITION WITHIN CEILING VOIDS AS REQUIRED TO PREVENT MIXING OF

C DUCT- 150X150 @ 32 L/S (T/A) ± 0.00 m

GND F.F.L
DUCT- 200X200 @ 228 L/S T/A
DUCT- 200X200 @ 200 L/S F/B
23.
RETURN AIR- WHEN TWO OR MORE UNITS ARE CONNECTED TO A COMMON CEILING VOID FOR RETURN
AIR.
THE CONTRACTOR SHALL PROVIDE A THERMOSTAT FOR EACH FCU/AHU/VAV BOX AND THE EXACT
LOCATION TO BE CO-ORDINATED WITH FURNITURE LAYOUT TO THE APPROVAL OF THE ENGINEER.
24. ANY DISCREPANCIES FOUND ON THE DRAWINGS SHALL BE REPORTED TO THE ENGINEER IMMEDIATELY.
OFFICE-01 OFFICE-02 OFFICE-03 LIMIT OF
8650

LIMIT OF 1ST FLOOR

DUCT- 150X150 @ 25 L/S (T/A) AREA = 103.28 sq m. AREA = 115.86 sq m. AREA = 107.21 sq m. G L09
1ST FLOOR ABOVE ALL MECHANICAL DRAWINGS SHALL BE READ IN CONJUNCTION WITH
ABOVE
ARCHITECTURAL, STRUCTURAL & ELECTRICAL DRAWINGS.
DUCT- 150X150 @ 50 L/S (T/A) 2 G L11 DUCT- 150X150 @ 32 L/S (T/A) ALL WORK SHALL BE CARRIED OUT IN ACCORDANCE WITH GSAS/GORD, QCDD
DUCT- 150X150 @ 25 L/S (F/B) DUCT- 150X150 @ 32 L/S (F/B) (QATAR CIVIL DEFENCE), CURRENT BUILDING CODES AND TO THE ENGINEER’S
1
COMPLETE SATISFACTION.
DUCT- 150X150 @ 64 L/S (T/A) +3.75 m DUCT- 150X150 @ 25 L/S (T/A)
DUCT- 150X150 @ 32 L/S (F/B) PANTRY TOILET
VD S.S.L DUCT- 150X150 @ 25 L/S (F/B)
FD FD
VD G L09
10000

C FD

200
FD
VD PANTRY
DUCT- 150X150 @ 64 L/S (T/A) PANTRY TOILET
VD VD
DUCT- 150X150 @ 32 L/S (F/B) 0 17-08-2023 ISSUED FOR CONSTRUCTION
VOID
DUCT- 200X200 @ 100 L/S (T/A) TOILET VD
PANTRY
VD TOILET GARBAGE RM.
DUCT- 150X150 @ 75 L/S (F/B)
FD FD
VD FD VD
FD FD DUCT- 150X150 @ 75 L/S (T/A)

D
± 0.00 m
MOSONRY DUCT- 1100X600 @ 3760 L/S (F/A) RECYCLE GND F.F.L DUCT- 150X150 @ 60 L/S (F/B)
CANOPY
MOSONRY DUCT- 1100X600 @ 2820 L/S (T/B)
8650

OFFICE-04 CORRIDOR WASTES

CW01
AREA = 68.12 sq m.
SUPPLY AIR GRILLE
SIZE-800X500 @ 940 L/S DOOR GRILL
F.H.C DG - 500 x 200

ELE.RM IDF/L.C. VD MALE TOILET DN UP

STAIR-1 70
RAD-150X150 @ 32 L/s (PANTRY)
RM RAD-150X150 @ 30 L/s (2 No's) VD
69 71
68 72
RAD-150X150 @ 25 L/s (TOILET) 81 UP DUCT-150X150 67 73
80 82 66 74 SUPPLY AIR GRILLE
DUCT-150X150 79 83 75
VD VD 65
78 84 76 SIZE-800X500 @ 940 L/S
D RAD-150X150 @ 32 L/s (PANTRY)
RAD-150X150 @ 25 L/s (TOILET) TOILET VD
77
76
85
LIFT LOBBY FD FD
85
84
77
78
75 65 DOOR GRILL 83 79 GL08
DUCT-150X150 74 66 MEETING RM 82 80
10000

73 67 DG - 300 x 200 81
FD VD UP STAIR-2
72 68 -
DUCT- 150X150 @ 32 L/S (T/A) PANTRY 71 69
UP DN
70 JANITOR VD
4/M A --
FD

VD

RAD-150X150 @ 25 L/s H.TOI.

DUCT- 200X200 @ 85 L/S (T/A) DUCT-150X150 FHC +3.75 m
FD S.S.L MOSONRY DUCT- 1100X600 @ 3760 L/S (F/A)
DUCT- 200X200 @ 60 L/S (F/B)
MOSONRY DUCT- 1100X600 @ 2820 L/S (T/B)
VOID
8650

+3.85 m
CW02 CORRIDOR MEZ F.F.L

DUCT- 400X200 @ 220 L/S (T/A)

E DUCT- 300X200 @ 135 L/S (F/B)

OFFICE-05

200
AREA = 82.76 sq m.
DUCT- 150X150 @ 50 L/S (T/A)
DUCT- 150X150 @ 25 L/S (F/B)
+3.75 m +3.75 m DUCT- 150X150 @ 25 L/S (T/A)
DUCT- 150X150 @ 64 L/S (T/A) FD FD S.S.L S.S.L DUCT- 150X150 @ 25 L/S (F/B)
DUCT- 150X150 @ 32 L/S (F/B) G L12
± 0.00 m
GND F.F.L
DUCT- 150X150 @ 32 L/S (T/A) FADEL FOUANI --
VD 2 DUCT- 150X150 @ 32 L/S (F/B)
TOILET --
E VD FD
3226
FD DUCT- 150X150 @ 32 L/S (T/A)
PANTRY 1
DUCT- 150X150 @ 64 L/S (T/A) LIMIT OF PANTRY TOILETVD DUCT- 150X150 @ 32 L/S (F/B)
DUCT- 150X150 @ 32 L/S (F/B) 1ST FLOOR VD VOID
± 0.00 m
ABOVE GND F.F.L
LIMIT OF DUCT- 150X150 @ 25 L/S (T/A)
DUCT- 150X150 @ 50 L/S (T/A) 1ST FLOOR DUCT- 150X150 @ 25 L/S (F/B)
DUCT- 150X150 @ 25 L/S (F/B) 2 G L12
ABOVE
G L08
1
OFFICE-06 OFFICE-07
AREA = 121.73 sq m.
8650

AREA = 122.59 sq m. Commer ia Li ense: 13160 Ex : 12/12/2023 MME / EEOACC: 4/M Ex : 13/01/2025
VOID
G L12 RAD-150X150 @ 32 L/s (PANTRY)
RAD-150X150 @ 25 L/s (TOILET)
DUCT-150X150
(2B+G+M+3 TYP FLRS) OFFICE BUILDING
(ECQ-B04, PIN:69040300)
F RAD-150X150 @ 32 L/s (PANTRY) ENERGY CITY - QATAR
RAD-150X150 @ 25 L/s (TOILET)
DUCT-150X150
QATAR ENDOWMENT AUTHORITY
F
GL12a
IMPORTANT NOTE:
AUG.2023 18-505
G L07
(A) PROVIDE FIRE DAMPERS / MOTORIZED COMBINATION FIRE
SMOKE DAMPERS AS PER REQUIREMENTS OF NFPA / LOCAL QATAR MEZZANINE FLOOR PLAN
CIVIL DEFENSE DEPARTMENT WHETHER SHOWN ON DESIGN
DRAWING OR NOT. CONTRACTOR SHALL SUBMIT ARCHITECTURAL MECHANICAL VENTILATION LAYOUT
FIRE ZONES DRAWING INDICATING ALL DUCT PENETRATING. THE
1 2 LIMIT OF M-MV-202 1:100
8050

FIRE WALLS AND ALSO INDICATE ALL FIRE / MOTORIZED DAMPERS

1ST FLOOR & OBTAIN LOCAL CIVIL DEFENSE APPROVAL. THE DAMPERS ITS IFC
IT

ACTUATORS AND ALL OTHER ACCESSORIES SHALL BE ACCESSIBLE

IM

ABOVE
FOR INSPECTION TESTING AND SERVICE. ALL FIRE ACCESSORIES
KL

SHALL BE (FM/UL) LISTED. KR IRF IRFAN AHMAD

AC
TB

(B) CONTRACTOR SHALL PROVIDE AIR BALANCING DAMPERS

SE

(VCD) ON EACH SUPPLY / RETURN DUCT, BRANCH DUCT AND 3529 3529
WHERE REQUIRED TO ACHIEVE AIR BALANCE. THE HAND
LOCK SHALL BE ACCESSIBLE FOR INSPECTION TESTING AND

G G
SERVICE / AIR BALANCING.
0

Date Print 20.August.2023