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Check List for HVAC Piping Works

Er. Parbhakar Dwivedi
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Check List for HVAC Piping Works Document Ref. No. 3.3
Contractor: Client:
Project: Location:
Supplier/Vendor:
Reference Drawing no:
Check List (Please tick mark in appropriate column)
Check Points Observations
Contactor/ Vendor Client
A. PRE-INSTALLATION
1) Material specification as per tender
2) Pipe &fittings are free from damage
3) Random checks on weld/screw joints for prefabricated pipe
4) Testing if any specified in tender
B. INSTALLATION
1) One coat of Red Oxide Primer before installation.
2) Properly Shoe joint should be made before welding of pipes
3) Pipe routing
4) Weld on all the joints in the pipes
5) Supports for piping
6) All the line equipment including valves etc.
7) All vents, drains are fitted where required.
8) Terminal connection are done as per requirement
9) All bolts and nuts are tightened correctly
10) Flanges/Gasket are put correctly
11) Hydro testing is done for piping network
12) Painting as per color code/ Spec
C. INSULATION
1) Material specification as per tender
2) Thickness
3) Bonding to pipe
4) Valves remains free to access/ operation
5) Insulation includes the valves also except the Handle.
D. CHECK EXPANSION TANK
1)size
2) Location/tap off point
3) Thickness
4)Pipe connection
5)Pressure gauge
6) Insulation of expansion tank
7.) Expansion tank is as per drawing
E. TESTING
1) All open ends are properly capped off
2.) Check all valves are in open position
3) Tool pieces are in temporary position of valve
4) non return valve in correct position
5) Put water in pipe
6)Pressurize the system gradually
7) Check test pressure
F. POST TESTING/PRE COMMISSIONING
1) All inline Equipment’s are properly fitted
2) Any damaged insulation on pipe
3) Damage insulation on valves etc.
4) Regulating/isolating valve orientation
5) Position of gauges etc.
6) Painting damage at any location
7) Correct damage painting
8)System has been pressure tested
9) Valves are operable
General remarks, if any

 

 

 

Checked by:____________________________ (Site Engineer) Signature:

Date :

Review and approval by: CM/ PM

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