Pressure Piping Fabrication & Erection

RASA Engineering Co is specializing and competent enough to manufacture piping work of small and large bore. We have capability of shop or field welding with the Shielded Metal Arc Welding (SMAW), Gas Metal Arc Welding (GMAW), Submerged Arc Welding (SAW), Flux Cored Arc Welding (FCAW), and Gas Tungsten Arc Welding (GTAW), IBR welding, processes as per the Acceptance Criteria of welding procedures qualified to Section IX of the ASME Boiler and Pressure Vessel Code.

The company offers a comprehensive range of solutions for industrial plant piping work in a number of industries and applications including; steel, petrochemical, oil and gas, chemical, food processing, manufacturing, and commercial construction and building projects. Our main areas of expertise include:


  • Develop Execution plan
  • Listing out the materials required i.e. pipe, fittings, valves & other materials required
  • Prepare one week look ahead schedule
  • Welding operations, destructive & non-destructive examination (via third party) required by applicable procedure & standards.
  • Annual maintenance planning of piping system


  • Modifications of existing industrial plant piping work
  • Pre Fabrication of pipe work as per client’s isometric drawing.
  • Fabrication & erection of pipe supports, both shop and field fabrication
  • Header Systems and Manifolds
  • Pipe work fabrications in a range of materials including; Carbon steel, Stainless steel, Aluminum, Mild steel, Duplex steels,
  • Pre-Assembled Units Modules & skid unit
  • Pipe rack fabrication on skid unit
  • Final dimension check


  • Pipe bending
  • Erection of support
  • Erection and alignment of equipments like pump, tanks and heat exchanger etc
  • Pipe work erection
  • Preparation and Installation of valves/instruments
  • Post weld Heat Treatment (PWRT) via Third party
  • Pipe insulation
  • Field change order
  • Plant change order

Pre-commissioning & Commissioning:

  • Piping system work Testing as per client’s specification:
    • Mechanical completion
    • Flange Management
    • Test Preparation
    • Air flushing and water flushing
    • Hydro & Pneumatic testing
    • Verification of cleanliness
    • Function test of system