Products & Services
Stay Updated
Join our mailing list to receive our newsletter, latest news & updates @ Dorman Long.
Name *
Email *
Country *
HomeProducts & Services

Dorman Long Fabrication

Dorman Long Group
The Fabrication Division is the manufacturing unit in the Dorman Long Group servicing both third party clients directly and through the EPC Division. This operates from the three sites, Idi-Oro, Naval Dockyard and Agege, all in Lagos

Where a product is manufactured will in part depend on the size of the finished fabrication. Very large fabrications for the oil and gas industry will be assembled and completed at the Naval Dockyard site to enable the product to loaded directly onto sea going barges at the sites integral deep sea quay. Smaller fabrications that can be shipped by road will be completed at the Idi-Oro site.

 

 

Processes
The division uses international standard equipment to undertake all manner of high precision steel fabrication including:

 

  • Various types of welding including exotic metals.
  • Rolling steel up to 120mm thick for cylindrical vessels
  • Post welding heat treatment
  • Drilling, punching etc.
  • Grit blasting and airless spray painting
  • All non destructive testing.


 

QA/QC
Dorman Long has full ISO 9001:2008 certification, ASME certification for stamps and works to international codes of practice.

 
  • “U” stamp for pressure vessels
  • “U2” stamp for pressure vessels
  • “S” stamps for power boilers
  • “PP” stamp for pressure piping
  • “R” stamp for repairs and alterations to pressure retaining items
  • ASME Section VIII Div I & II
  • ASME B31.1
  • PD5500


Certifying Authorities                                                                                                                             

 

 

 

 

 

  • Nigerian Institute of Welding
  • Lloyds Register
  • Bureau Veritas
  • ABS
  • DNV
  • SGS
  • HSB

 

 
All products whether manufactured directly by Dorman Long or sourced from third parties (valves etc.) meet all requisite certification requirements.

Typical Products                                                                                                                                       

 

 

 

 

 

  • Boilers
  • Cement Kilns
  • Pressure Vessels (Separators, Flare Knockout, Surge, Drain Vessels, etc.)
  • Water storage tanks (surface and elevated), welded or bolted with capacities up to 1m litres or above.
  • Horizontal and Vertical cylindrical tanks (underground, surface and skid mounted) for Premium Motor Fuel, AGO, vegetable oils with capacities from 1,000 litres to 90,000 litres and above.
  • Various marine structures including barges, fuel and mud barges, mooring buoys, floating jetties etc.
  • Suction piles
  • Offshore platform jackets and decks
  • Helicopter decks
  • Manifold Skids
  • Pig Handling Equipment
  • LNG Plant Equipment
  • Stainless Steel Vessel internals
  • Skid mounted Gas Lift Equipment
  • Pressure Reduction Skids
  • Underwater drilling templates
  • Industrial and commercial buildings and warehouses
  • Communication & Transmission Towers
  • Bridges Etc.

- NNPC/Mobil Oyot wellhead platform on low bed at Dorman Long NND facility during loadout
NNPC/Mobil Oyot wellhead platform gradually being rolled onto the barge. Nigerian content working
NNPC/Mobil Oyot wellhead platform safely loaded for the final sail-away. Nigerian still progressing
Commendation Letter
FROM THE MEDIA. EXTRACT FROM NIGERIAN CONTENT WATCH
EXTRACT FROM NIGERIAN CONTENT WATCH
AGIP Separator2
Anchor Suction 5 m dia Pile
Bacita Sugar Refinery
Chevron Flare Knockout Drum
CHEVRON Helideck Intermediate Support Structure
CHEVRON Meji Helideck
Chevron's Abiteye Vessel 002
COCA COLA Finished Highest Xmas Tree in Africa
COCA COLA Frame for Highest Xmas Tree in Africa
CRAN#DEA
Crane Beams & Legs for STREET CRANES Ltd (UK)
DANGOTE Sugar Refinery
Exxon Mobil Underwater Drilling Template
EXXON Scrubber
EXXONMOBIL Load Out of Modu Pile for the Ehra project
EXXONMOBIL Pig Launcher nearing completion
IMTECK VONK Skid Assembly
JULIUS BERGER - Some of 100 tanks manufactured for Barge Installation
MERCEDES BENZ New Nigerian HQ
Niger Bridge
NIGERDOCK Workshop Steel Structure
NLNG Train 3 Structures in Manufacture
NLNG Train 3 Vessel on Load Out
NLNG Train 3 Vessel on Load Out 2
NNPC Butanisation Vessels
NNPC Butanisation Vessels Installed
PC190014
Roof Structure for Trem Church
SAIPEM Vessel Load Out
SHELL Bonga Buoy under Construction
SHELL Forcados Yokiri Fixed Platform
SHELL Gbaran Ubie Field Vessel
SHELL Manifold Skid
SHELL Manifold Skid Base
SHELL Santa Barbara Manifold Skid for Gbaran Ubie Field
SHELL Sea Eagle Separator
SHELL Sea Eagle Separator Internals 2
SHELL Sea Eagle Separator Internals 3
TOTAL - Air Vessels 1
TOTAL Aviation Fuel Tank
TOTAL Suction Drum
West African Portland Cement - Stacks
SHELL GBARAN UBIE VESSELS Completed 2009
CHEVRON ABITEYE PRESSURE VESSEL 2009
Flare Knock-Out Vessels for various Flow Station Safety Upgrades Contractors: KCC/HHI 2005
OFON SS CLAD VESSELS LOAD OUT - 2010