Pipework Services
CNL are a market leading industrial Pipework installation contractor. We have the managerial experience, tradesmen and in-house plant and craneage to install pipework in a range of different sizes, work environments and meterages ranging from ten to tens of thousands.
Pipework progress is monitored electronically to plan and manage isometric progress from initial receipt of spool through the erection and testing to the final handover and client signoff.
We operate on Nuclear, Oil & Gas and High Hazard top Tier COMAHH sites and have the safety culture, training and experience to operate in such hazardous environments.
Typical Working Conditions
- New build Construction Sites
- Existing Live Plant breakins
- Plant Breakdowns and Overhauls
- Confined Space
- Chemical Suit and Breathing Apparatus
typical Pipework applications:
- General Process and Utilities Pipework
- Nuclear
- High temperature High Pressure SteamPipework
- Jacketed Pipework
- Firewater Systems
- Cryogenic
- Ducting
- PTFE & Glass Lined
- Small Bore Instrument Tubing
- Subsea and Offshore
- GRP
As part of the Pipework installation CNL manage:
- NDT
- Pressure Testing
- Heat Treatment
- Chemical Cleaning
- Surface Coating and Insulation.
Typical Materials
- Carbon Steel
- Low Temperature Carbon Steels
- Chromium Molybdenum (P11, P22, P91)
- Stainless Steels (304L, 316L, 316Ti, 321)
- Duplex & Super Duplex
- Exotic Alloys: Inconel 625, 825 / Hastalloy
- PTFE Lined Pipework
- High and Medium Density Polyethylene
- PVDF
- PVC
- ABS
Typical Size Range
- From Small bore instrument tube to 1⁄2” to 72” Nominal
Typical Thickness Range
- Between Thin Wall Sch 5 to XXS or bespoke thicknesses greater than XXS
Typical handover quality Package contents:
- Punch Lists
- NDT Reports
- Pressure Test Certificates
- Red Line Isometrics
- Weld History Sheets
- Material test certificates
- Weld procedure qualifications
- Welder qualification procedures
- Paint and insulation inspection reports.
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