Page 1
HRU3
UG4
ICT 2150
CT1 CT2
F-R2
F-R1
F
E
G
I
H
ICT 2150
R6 R6
R7 R7
R8
R9
R8
R9
R10
R10
R11
R12
R11
R12
R14
R13
R15
R14
R13
R15
R16
R16
UG2
HRU4
UF3
UF2
UG3B
UG3A
HRU2
F G
F G
FD1
FD2
DA1
DA2
DA3
2 WAY
2 WAY
2 WAY
2 WAY
2 WAY
2 WAY
TYPICAL EXTERNAL WALL DUCT OR
FIRE DAMPER INSTALLATION
MEZZ FLANGE
FIBREGLASS MEMBRANE & RESIN
WATERPROOFING WHERE DUCTS
PENETRATE WALLS.
(ALL ROUND DUCT)
ADDITIONAL DUCT STIFFENERS
WHERE REQUIRED
SECTION OF DUCT TO BE INSTALLED,
SEALED & FLASHED OFF BEFORE THE
REST OF THE DUCTING IS ADDED.
SHEET-METAL WATERPROOFING
TO BE BOLTED TO WALL &
IN BETWEEN DUCT FLANGES c/w
FIBREGLASS MEMBRANE & RESIN
WATERPROOFING
ALL DUCT JOINTS TO BE SEALED
WITH FIBREGLASS MEMBRANE
& RESIN WATERPROOFING
(EXPOSED DUCTING TO BE PAINTED)
NOTE:-
DUCTING TO SLOPE
TOWARDS A/C UNIT.
(DUCTING TO BE LAGGED
WITH 50mm, F.R.K.
FOIL-FACED FIBREGLASS.)
DUCTING TO BE EXTERNALLY
LAGGED 50mm POLYSTYRENE &
FIBREGLASS MEMBRANE
10
6
5
11
7
PIPE SUPPORT DETAIL - 125Ø
8 OFF REQUIRED
PIPE SUPPORT DETAIL - 65Ø
4 OFF REQUIRED
PIPE SUPPORT DETAIL
1 OFF REQUIRED
PIPE SUPPORT DETAIL
1 OFF REQUIRED
PIPE SUPPORT DETAIL
1 OFF REQUIRED
PIPE SUPPORT DETAIL
3 OFF REQUIRED
PIPE SUPPORT DETAIL
1 OFF REQUIRED
PIPE SUPPORT DETAIL - 50Ø
3 OFF REQUIRED
PIPE SUPPORT DETAIL - 50Ø
5 OFF REQUIRED
F
T.O.C :145.000
F-R1
F
T.O.C :145.000
F-R2
AIR BLEED
SCALE 1:10
06 07 08 09 10 11
SECTION FF
SCALE 1:50
SECTION GG
SCALE 1:50
DUCT SPLITTERS
DUCTWORK NOTES:
3: CHILLED WATER VALVES:
1: GENERAL NOTES:
2: CHILLED WATER PIPING NOTES:
4: CHILLED WATER PIPE INSULATION:
NOTES
6: CONDENSER WATER ISOLATION VALVES:
5: CONDENSER WATER PIPING NOTES:
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1600x650
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750x750 R/A
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550x750 EXT + R/A
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850x750 R/A
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500x500 TOILET EXTRACT
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1600x600
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1500x550
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27 kw H/Bank
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1143 / 1030 / 3R / 10F
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R/H Coil(WAS)
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HEAT RECOVERY WHEEL
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HEAT RECOVERY WHEEL
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27 kw H/Bank
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1143 / 1030 / 3R / 10F
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R/H Coil(WAS)
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27 kw H/Bank
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1143 / 1030 / 3R / 10F
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R/H Coil(WAS)
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HEAT RECOVERY WHEEL
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27 kw H/Bank
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1143 / 1030 / 3R / 10F
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R/H Coil(WAS)
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27 kw H/Bank
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1143 / 1030 / 3R / 10F
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R/H Coil(WAS)
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27 kw H/Bank
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1143 / 1030 / 3R / 10F
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R/H Coil(WAS)
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80%%C CHW S&R
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80%%C CHW S&R
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125%%C CHW S&R
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125%%C CHW S&R
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125%%C CHW S&R
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125%%C CHW S&R
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150%%C CHW S&R
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150%%C CHW S&R
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150%%C CDW S&R
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150%%C CDW S&R
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150%%C CDW S&R
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150%%C CDW S&R
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150%%C CDW S&R
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OFFSETS OVER 450mm HIGH UPSTAND BEAMS
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4 OFF 150 CONDENSERWATER PIPES FROM PLANTROOM IN BASEMENT BELOW
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2 OFF 150 CHILLEDWATER PIPES FROM PLANTROOM IN BASEMENT BELOW
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1150x450
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BALANCING DAMPER
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1350x550
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1350x550
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REFER TO AC-06 FIRST FLOOR DRAWING FOR CONTINUATION OF DUCTING
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REFER TO AC-06 FIRST FLOOR DRAWING FOR CONTINUATION OF DUCTING
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MAKE UP WATER SUPPLY BY OTHERS
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SUPPLY & RETURN AIR DUCTING TO BE INTERNALLY LINED WITH 25mm SONIC & EXTERNALLY INSULATED WITH 50mm POLYSTYRENE
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EXTRACT / RETURN DUCTING TO HRU-3 EXTERNALLY INSULATED WITH 50mm POLYSTYRENE
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700x450 O/A
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SUPPLY & RETURN AIR DUCTING TO BE INTERNALLY LINED WITH 25mm SONIC & EXTERNALLY INSULATED WITH 50mm POLYSTYRENE
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EXTRACT / RETURN DUCTING TO HRU-4 EXTERNALLY INSULATED WITH 50mm POLYSTYRENE
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1850x550
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750x1400
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1400x1500 WEATHER LOUVRE
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550x1000
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550x1000
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600x1400
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500x350 COMBI FIRE DAMPER
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500x350 COMBI FIRE DAMPER
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SUPPLY & RETURN AIR DUCTING TO BE INTERNALLY LINED WITH 25mm SONIC & EXTERNALLY INSULATED WITH 50mm POLYSTYRENE
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FRESH AIR DUCTING TO/EXTERNALLY INSULATED WITH 50mm POLYSTYRENE
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SUPPLY & RETURN AIR DUCTING TO BE INTERNALLY LINED WITH 25mm SONIC & EXTERNALLY INSULATED WITH 50mm POLYSTYRENE
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SUPPLY & RETURN AIR DUCTING TO BE INTERNALLY LINED WITH 25mm SONIC & EXTERNALLY INSULATED WITH 50mm POLYSTYRENE
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SUPPLY & RETURN AIR DUCTING TO BE INTERNALLY LINED WITH 25mm SONIC & EXTERNALLY INSULATED WITH 50mm POLYSTYRENE
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50%%C CHW S&R
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65%%C CHW S&R
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50%%C CHW S&R
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50%%C CHW S&R
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50%%C CHW S&R
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80%%C CHW S&R
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65%%C CHW S&R
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65%%C CHW S&R
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50%%C CHW S&R
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50%%C CHW S&R
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DISCHARGE UN-INSULATED
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PLATFORM OVER CHILLED WATER PIPING BY OTHERS - TO AVOID DAMAGE
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ACCESS ONTO ROOF
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WATER TREATMENT PLANT
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WALKWAY OVER DUCT AND PIPING BY BUILDER
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AIR BLEED VALVES
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AIR BLEED VALVES
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ACCESS ONTO ROOF
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ACCESS ONTO ROOF
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45° DISCHARGECOWL + WMS
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45° DISCHARGECOWL + WMS
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DISCHARGE VENTURI COWL
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BLACK WELDED
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REFER TO GROUND FLOOR DRAWING AC-05A FOR SECTIONS F & G
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1200mm HIGH MASONARY HOUSING AROUND OPENING c/w SLAB OVER BY OTHERS
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650x600 BLACK WELDED KITCHEN EXTRACT DUCT FROM GROUND FLOOR
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650x600 FRESH AIR MAKE UP DUCT TO GROUND FLOOR LEVEL
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100%%C CHW S&R
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100%%C CHW S&R
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80%%C CHW S&R
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80%%C CHW S&R
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0.75Kw MOTOR 6 POLE
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10.1 AMP DOL
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0.2.2Kw MOTOR 4 POLE
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32.2 AMP DOL
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AIR BLEED VALVES
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AIR BLEED VALVES
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AIR BLEED VALVES
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AIR BLEED VALVES
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100x50 CHANNEL
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2 x 125%%C
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CHW PIPES
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100x50 CHANNEL
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2 x 65%%C
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CHW PIPES
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100x50 CHANNEL
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2 x 150%%C
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CHW PIPES
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4 x 150%%C
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CDW PIPES
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100x50 CHANNEL
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2 x 150%%C
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CHW PIPES
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4 x 150%%C
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CDW PIPES
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100x50 CHANNEL
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2 x 150%%C
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CHW PIPES
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4 x 150%%C
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CDW PIPES
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100x50 CHANNEL
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100x50 CHANNEL
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100x50 CHANNEL
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2 x 50%%C
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CHW PIPES
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100x50 CHANNEL
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2 x 50%%C
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CHW PIPES
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45 INLET COWLc/w WMS
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DISCHARGE VENTURI COWL
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BLACK WELDED
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15 AIR BLEEDVALVE
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CHW PIPING INSULATION
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20mm SOCKETS
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FOR SENSORS
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TYPICAL AIR
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HANDLING UNIT
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VALVE CLUSTER
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JUBILEE CLAMPS AND STRAPPED WITH DUCT TAPE
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ALL FLEXIBLE DUCTING TO BE FIXED TO SPIGOTS WITH
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ALL DUCTWORK TO BE HUNG ON 30x50x1.6 G.S.M
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ALL HANGERS AND BRACKETS TO BE GALVANISED.
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SPIGOTS TO BE EXTERNALLY INSULATED WITH 25 FOIL
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ALL A.C DUCTING TO BE EXTERNALLY INSULATED WITH
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ALL FLEXIBLE DUCTING TO BE FACTORY PRE-INSULATED.
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ALL DUCT WORK TO BE MANUFACTURED TO S.A.N.S
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FLEXIBLE CONNECTIONS TO BE FITTED TO ALL DUCTING
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BETWEEN AIRHANDLING AND PACKAGE UNITS, FANS, ETC.
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EXCEEDING 600 SEMI PERIMETER OR ONE SIDE EXCEEDS
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1238/05 STANDARDS, WITH FLANGED JOINTS ON DUCTS
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SPLITTER RADII
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ALL VENTILATION DUCTING TO BE UNINSULATED.
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25mm FOIL FACED FIBREGLASS INSULATION.
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CHANNEL TRAPEZE HANGERS WITH 8%%C RODS.
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FACED FIBREGLASS.
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750 AND S&D JOINTS ON SMALLER DUCTS.
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SUPPLY AIR ONLY
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(W) IN MM
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DUCT WIDTH
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1201 TO 2400
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300 TO 600
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601 TO 900
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901 TO 1200
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1.1 THIS DRAWING FORMS PART OF THE SPECIFICATION AND MUST BE READ
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THEREWITH AND INCONJUNCTION WITH THE DRAWINGS AS LISTED THEREIN.
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2.3.1 %%C15 TO %%C50 : SCREWED MALLEABLE CAST IRON.
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2.3.2 %%C65 UPWARDS : BUTT WELD TO ANSI B16.9
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2.4 ALL CHILLED WATER PIPE FLANGES SHALL BE TABLE D SLIP ON.
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2.5.2 FOR FLANGES USE RUBBER INSERTION.
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3.1.1 %%C15 TO %%C50 : BALL VALVE ,SCREWED BSP ENDS.
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3.1.2 %%C65 TO %%C150 : LONG STEM BUTTERFLY VALVES
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2.3 ALL CHILLED WATER FITTINGS SHALL CONFORM WITH THE FOLLOWING:
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2.5 CHILLED WATER PIPE GASKETS .
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2.5.1 FOR SCREWED PIPING USE THREAD SEAL (PTFE)
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3.1 ALL CHILLED WATER ISOLATING VALVES TO BE AS FOLLOWS:
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1.3 ALL DIMENSIONS TO BE CHECKED ON SITE PRIOR TO MANUFACTURE.
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2.1 ALL CHILLED WATER PIPE WORK AND FITTINGS SHALL BE INSTALLED AS PER THE
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2.2 ALL CHILLED WATER PIPING SHALL BE S.A.B.S 62 & 719 MEDIUM BLACK PIPING.
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2.2.1 PIPE SIZES %%C15 TO %%C50 - S.A.B.S 62 MED. BLACK SCREWED ENDS TO
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SPECIFICATION
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1.2 REFER TO THE SPECIFICATION FOR ALL EQUIPMENT DETAILS.
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ISO-R7 (BS21) THREAD.
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2.2.2 SIZE %%C65 TO %%C150 - S.A.B.S 62 MED. BLACK BUTT WELDED.
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2.2.3 SIZE %%C200 UPWARD - S.A.B.S 719 MED. BLACK BUTT WELDED.
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4.1 ALL CHILLED WATER PIPING TO BE INSULATED AND CLAD AS PER THE
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ENGINEERS SPECIFICATION.
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5.5.3 SIZE %%C200 UPWARD - S.A.B.S 719 MED. BLACK BUTT WELDED. HOT DIP
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5.5.2 SIZE %%C65 TO %%C150 - S.A.B.S 62 MED. BLACK BUTT WELDED. HOT DIP
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5.5.1 PIPE SIZES %%C15 TO %%C50 - S.A.B.S 62 MED. BLACK GALVANIZED TO
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5.2 ALL CONDENSER WATER PIPING SHALL BE S.A.B.S 62 & 719 MEDIUM
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5.1 ALL CONDENSER WATER PIPE WORK AND FITTINGS SHALL BE INSTALLED
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5.3 ALL CONDENSER WATER FITTINGS SHALL CONFORM WITH THE FOLLOWING:
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5.4 ALL CONDENSER WATER PIPE FLANGES SHALL BE TABLE D SLIP ON.
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5.3.1 %%C15 TO %%C50 : SCREWED MALLEABLE CAST IRON GALVANIZED TO
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GALVANIZED TO S.A.B.S 763 AFTER FABRICATION.
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GALVANIZED TO S.A.B.S 763 AFTER FABRICATION.
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6.1 ALL CHILLED WATER ISOLATING VALVES TO BE AS FOLLOWS:
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5.5.1 FOR SCREWED PIPING USE THREAD SEAL (PTFE)
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5.5 CONDENSER WATER PIPE GASKETS .
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5.5.2 FOR FLANGES USE RUBBER INSERTION.
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5.3.2 %%C65 UPWARDS : BUTT WELD TO ANSI B16.9
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S.A.B.S SCREWED ENDS ISO-R7 (BS21) THREAD.
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AS PER THE SPECIFICATION
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BLACK PIPING.
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S.A.B.S 763
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BSP ENDS.
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6.1.1 %%C15 TO %%C50 : BALL VALVE ,SCREWED
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6.1.2 %%C65 TO %%C150 : SHORT STEM BUTTERFLY VALVES
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4.2. INSULATION THICKNESSES
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15mm - 50mm - 25mm THICK
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65mm - 150mm - 40mm THICK
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150mm - 300mm - 50mm THICK
