Key Maintenance Project

LTMA Valves Pumps Motors and E&I

Client: Asia Guld Power Service Company (AGPS)

Completion: 2014 – 2023

Scope of Work:

          Valves, Pumps, Generators, Motors, Workshop Cranes

          Reliability Centred Maintenance, Roof Cause Analysis, Failure Mode and Effect Analysis

          Condition Monitoring

          Spare parts analysis and provision

          Engineered solutions

          Workshops support: repairing valves, pumps and motors


Key Maintenance Projects

Whether Onshore or Offshore, Adyard remain your Trusted Partner

Project Name : Overhaul of Gas Turbine Generator

Scope of Work:


§  Disassemble at site

§  Overhaul in workshop 22 MW 11KV generator

§  Full overhaul

§  Rotor rewinding

§  Reassemble and test site


Project Name : Pump casing design

Scope of Work:


§  Ebara pump Brine Recirculation Pump 15000 M3/hr 6.6KV motor

§  Adyard redesigned the pump casing in Super Duplex material

§  Pump casing is Ni resist, brittle material

§  Turnaround time significantly reduced

§  First pump running one year

§  Not available with OEM

§  Non-repairable

§  Better durability


Project Name : Salalah Methanol Plant RE TA

Scope of Work:


§Major turnaround full rotating equipment support by Adyard

§Mobile workshops

§Competent maintenance technicians

§Client delighted with performances 140 assets attended


Key Maintenance Projects

Whether Onshore or Offshore, Adyard remain your Trusted Partner

Project Name : Submersible Valve Problem


Scope of Work:


§  Valve at 15M depth

§  Divers to operate for tanker loading

§  Shaft sheared Adyard sourced and specified replacement valve

§  Adyard overhauled and refurbished the existing valve


Project Name : Shock dosing pump


Scope of Work:


§  Chemical pump for Hydrocloric acid

§  KSB Pump approx. 400 M3/hr

§  Pump Rubber lining is deteriorating, pump and Mech Seal fails 6 months

§  Seal and pump design not correct for the process

§  Proposing tandem seals and fiberglass lining

§  Increased reliability and durability


Project Name : Submersible Valve Problem


Scope of Work:


§  Valve at 15M depth

§  Divers to operate for tanker loading

§  Shaft sheared Adyard sourced and specified replacement valve

§  Adyard overhauled and refurbished the existing valve


Major Plant Refinery Turnaround

Project Name : Major Plant Refinery Turnaround

Scope of Work:

§  Full valve, electrical and instrumentation support

§  98 motors overhauled

§  850 instruments services and calibrated at site

§  Mobile workshops at site

§  450 valves serviced and tested

§  100 control valves serviced and tested

§  All breaker switchgears lights and local control station service 45 days duration




Key Maintenance Projects

Whether Onshore or Offshore, Adyard remain your Trusted Partner

Project Name : Submersible Valve Problem


Scope of Work:

§Valve at 15M depth

§Divers to operate for tanker loading

§Shaft sheared Adyard sourced and specified replacement valve

§Adyard overhauled and refurbished the existing valve


Project Name : Motor winding failure Semcorp

Scope of Work:

§Root cause analysis carried out by Adyard

§Corrosion on rotor stamping probably due to salt laden atmosphere

§Stamping breaking down and causing mechanical damage to winding

§Full stator rewinding carried out

§New stamping and rewinding for rotor


Project Name : : ADNOC Offshore ball valve problems

Scope of Work:

§Due to increasing contaminants in process liquid

§Corrosion problems increasing

§Adyard proposed a redesign with inconell overlay

§Balls ground back

§Semi automatic inconell overlay welding

§Grinding and polishing

§Reseating the valve

§Long lasting solution


Key Maintenance Projects

Whether Onshore or Offshore, Adyard remain your Trusted Partner

Project Name : Ceramic coating for lining pump casing

Scope of Work:


§Modification suggested by Adyard

§ADSSC having major flow and corrosion problems

§Solution proposed ceramic lining

§Running more than 3 years no problems

§Rubber lining also an option for some pumps


Project Name : Brine Recirculation Pump


Scope of Work:


§KSB/Ebara Large pumps 15,000-18,000 M3/hr

§Bush Bearings redesigned replacement material Adyard design

§Bearing housing modified fast delivery in house capability

§Better performance and Ongoing programme

§Reduced downtime OEM 5-6 months Adyard 1 month


Project Name : Control Valve redesign


Scope of Work:


§Client having problems after process upgrade

§Control valve cages redesigned by OEM partner in UK

§Procurement started before design complete

§Manufacture of 3 cage system

§Valve ready for delivery in 7 days

§Minimal downtime for client