M&E ENGINEERING
H-MCL-02 (Version June 2016)
PLUMBING CHECKLIST
Project Title : Date :
Block: Unit/Area/Grid Line:
NO. DESCRIPTION / REQUIREMENT COMPLIED IF NO GIVE REASONS
A WATER MAIN
1 No structure beam is over the water main pipes. Yes / No
Under ground pipes are laid at a minimum 1 meter
2 Yes / No
deep.
Full and interval RC haunching is provided to pipes laid
3 Yes / No
under building / driveway and turf respectively.
No sanitary drainpipe or IC are installed above the
4 Yes / No
water pipes.
Minimum 300 mm clearance is provided for cables
5 Yes / No
crossing water pipes.
B BULK WATER METER CHAMBER
Meter chamber size / location is in accordance with the
1 Yes / No
drawing.
Drain hole / floor trap is provided inside the meter
2 Yes / No
chamber.
No water ponding is noted inside the meter chamber /
3 Yes / No
pump room.
Bulk meter sump has been cleaned, with no debris,
4 cement remnant, etc Yes / No
All pipes and Fittings have been printed and labeled
5 Yes / No
properly.
C TRANSFER WATER TANK / PUMP ROOM
Precast rings tanks arrangement is in accordance with
1 Yes / No
the drawing.
Correct number and size of pipes connection are
2 Yes / No
attached to each precast ring tank.
Fiberglass potable water tanks - Fiberglass reinforced
3 Yes / No
polyester is in compliance with SS245
4 No sanitary drainpipe is laid over domestic water tanks. Yes / No
Solenoid controlled pilot operated valve is used for the
5 Yes / No
PUB incoming water supply.
All drain / over flow / vent pipes are provided with anti-
6 mosquitoes SS netting, with aperture size of netting not Yes / No
exceeding 0.65mm.
7 Approved water level electrode control system is used. Yes / No
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M&E ENGINEERING
H-MCL-02 (Version June 2016)
NO. DESCRIPTION / REQUIREMENT COMPLIED IF NO GIVE REASONS
All gaps in water tank including gaps at the manhole
covers, between the electrode aluminium plate and
8 Yes / No
kerb, and between cover frame and tank have been
sealed up properly.
All tank inspection covers are secured by bolting /
9 fastening with SS brackets c/w high quality lock for Yes / No
which keys cannot be easily duplicated.
10 Tapered round nut has been used to secure bracket. Yes / No
Pump set data is in accordance with approved
11 Yes / No
submission.
Rubber flexible type coupling is provided between the
12 Yes / No
pump and the motor.
Pump system installation is in accordance with the
13 Yes / No
design drawing.
14 Double lock nut is provided at the water pump set base. Yes / No
All valves used in the system are of PUB approved
15 Yes / No
type.
Water sampling bib tap c/w lock is installed between
16 Yes / No
pump set and water tank suction line
All piping works are supported via floor mounting
17 Yes / No
brackets to prevent vibration tranmission.
Pipe sleeves are provided for pipe penetration through
18 Yes / No
wall and sealed with elastomeric fire stop sealant.
Acoustic treatment is provided to the aluminium
19 Yes / No
ventilating louvres for buiding of 30 storeys and above.
The system control panel is in accordance with the
20 Yes / No
approved submission.
21 TMS installation is provided. Yes / No
D ROOF WATER TANK / PUMP ROOM
Precast tanks arrangement is in accordance with the
1 Yes / No
drawing.
Correct number and size of pipes connection are
2 Yes / No
attached to each precast tank.
3 Each storage tank has been labelled properly. Yes / No
All drain / over flow / vent pipes are provided with anti-
4 mosquitoes SS netting, with aperture size of netting not Yes / No
exceeding 0.65mm.
5 Approved water level electrode control system is used. Yes / No
All gaps in water tank including gaps on the manhole
covers, between the electrode aluminium plate and
6 Yes / No
kerb, and between cover frame and tank have been
sealed up properly.
Page 2 of 4
M&E ENGINEERING
H-MCL-02 (Version June 2016)
NO. DESCRIPTION / REQUIREMENT COMPLIED IF NO GIVE REASONS
All tank inspection covers are secured by bolting /
7 fastening with SS brackets c/w high quality lock for Yes / No
which keys cannot be easily duplicated.
8 Tapered round nut has been used for secure bracket. Yes / No
Pump set data is in accordance with approved
9 Yes / No
submission.
Rubber flexible type coupling is provided between the
10 Yes / No
pump and the motor.
Pump system installation is in accordance with the
11 Yes / No
design drawing.
12 Double lock nut is provided at the water pump set base. Yes / No
All valves used in the system are of PUB approved
13 Yes / No
type.
All pipes, including warning pipes and by-pass, are
14 Yes / No
properly supported.
A tap with lock for sampling purposes to be installed at
the outlet of gravity feed outlet and washout outlet
15 Yes / No
before the gate valve.
The system control panel is in accordance with the
16 Yes / No
approved submission.
Fencing enclosure has been provided to house roof
17 Yes / No
water tanks
Discharge of overflow pipes from water tanks are within
18 Yes / No
the secured and locked tank/pump room enclosure
E WATER DISTRIBUTION SYSTEM
1 All pipes have been supported and secured properly. Yes / No
2 All pipes have been printed and labeled properly. Yes / No
Short pipe has been provided for RC end thrust
supports at both end of distribution
3 Yes / No
main
All pressure reducing valve (PRV) have been installed
4 Yes / No
according to the approved drawing and tested properly.
All pipe fittings with rust or cement remnant have been
5 Yes / No
cleaned and repainted.
End cap has been provided for the downfeed pipe and
6 end thrust support has been installed properly. Yes / No
Rubber pads should be provided between the "U" bolts
7 Yes / No
and the pipes.
The water spray from the flushing ring pipe should be
45 degree towards the chute wall. The four corners of
8 Yes / No
the flushing ring pipe should have holes for spray.
F CONCEALED PIPING
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M&E ENGINEERING
H-MCL-02 (Version June 2016)
NO. DESCRIPTION / REQUIREMENT COMPLIED IF NO GIVE REASONS
All main concealed pipe is located within the no-drill
1 Yes / No
zone area, and according to the approved sample unit.
Tap point for washing is installed at a height of
2 Yes / No
1000mm ± 50mm.
Ø28mm pipe is used for topmost 2 storeys and topmost
3 Yes / No
direct water supply. ø22mm is provided for other.
A maximum of Five (5) storeys are served by direct
4 Yes / No
water supply in a single stack.
Separate direct water supply stack is provided for 6
5 Yes / No
storey and above.
Table "Y" copper pipe of 1.2 mm thickness is used for
6 Yes / No
concealed piping.
All "Hot" water supply for bath mixer is installed on the
7 Yes / No
left hand side.
All concealed "Hot" and "Cold" water route is denoted
8 Yes / No
with colored tapes / marking to specification.
Every unit has been inspected and tested (to endorse
9 Yes / No
form DP-ME-02)
G OTHERS
Fire Hydrants have been installed and tested by
1 Yes / No
PUB/SCDF
Fire Hydrants installed with not less than 1 meter
2 Yes / No
clearance from the building.
Checked By:
……………………………………… ……………………………
Name of Contractor Signature
Witnessed by:
……………………………………… ……………………………
Name of RTO / Site Supervisor Signature
Endorsed by:
……………………………………… ……………………………
Engineer-In-Charge Signature
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