Project: Sakra Nitric Acid Plant Owner: Invista (Singapore) Pte Ltd Main Contractor: Jacobs Engineering Pte Ltd Subcontractor: JML (JEL Maintenance Pte Ltd) Project Duration: Aug 2008 – Jun 2009

Scope of Work:

Outside Battery Limit (OSBL-Brown Field) works:

• Tie-in works at Ammonia tank area and rack piping at ammonia process area fulfilling brown field critical requirements with various constraints like space, time, cost and minimum shutdown time.
• Utility piping on the live Pipe-rack and Underground piping (24”) works including excavation, back filling, wrapping & coating - 13000 Dia Inch
• Supply & installation of Cement lining for Sea water piping (20”) at Invista jetty (using Barge Crane)
• Installation of Sea water Cooling Pumps at Invista jetty using Barge Crane

Inside Battery Limit (ISBL) Works:

• Structure design, supply, fabrication for 42 meter high Absorber tower and for other equipments & platforms –90 tons.
• Absorber tower (42 meter in height) Scaffolding installation & dismantling by fulfilling special PE design and safety requirements.
• Heavy lifting:
• Air Compressor 44 tons  and its peripheral equipments installation inside   Compressor building,
• Exhaust Stack 42 meter in height,
• Waste Heat Boiler – 35 Tons
• Other equipments (67 nos) of total quantifying to 230 MT.
• Complete installation of Waste Heat Boiler piping & Hydro testing and commissioning with PE/AE services.
• CS & SS piping works including support, insulation & painting – 23000 Dia Inch.
• HVAC works for Compressor room, Rotor room & Control room.
• Scaffolding works on existing/new pipe racks for mechanical & piping works.
• Piping & cable tray support installation – 20 Tons.
• Fire fighting system installation.
• Machining & overhauling of Refurbished Cooling Condenser unit.

Schedule & Manpower

• Schedule – Entire Project was completed in 10 months successfully without LTI.

Manpower – At peak, 260 personals were in involved in this project.

Air Compressor & its piping		Absorber Tower & Exhaust Stack Installation at Sakra Nitric Acid Project
Waste Heat Boiler Installation		Sea water piping at Jetty using barge crane
Lube Oil Skid Erection		Steam Drum & Heat Exchanger Equipment & Piping Installation

Successful completion of Tuas Power Scope Project

Project: Tuas Power Scope Owner: Neste Oil Main Contractor: Jacobs Engineering Pte Ltd Subcontractor: JML (JEL Maintenance Pte Ltd) Project Duration: Aug 2009 – Aug 2010

Scope of Work:

• Heavy lifting and installation of 2 boiler packages with 2 stacks
• Heavy lifting & installation of 3 sea water booster pumps, 2 main diesel transfer pumps, 1 diesel recirculation pump
• Heavy lifting & installation of 3 loading arms at the new jetty and 1 loading arm at existing jetty
• Modification of Pipe lines at jetty, diesel tank areas
• Emptying & cleaning of diesel tanks & pipe lines
• Modification of diesel tanks
• Modification of Fuel oil line at jetty
• Jetty scaffolding (700mtrs long)
• Scaffolding inside tank surface (60mtr Dia x 12 mtrs height x 2nos)
• Brown field pipe rack scaffolding

Heavy lifting works of Boilers & its allied equipments (75 Tons x 2 nos) transported from Jurong & PSA sea port

Boiler Area:

• Erection/installation of two boiler packages with all auxiliary/sub equipments & subassemblies, its support structures and two stacks.
• Fabrication, erection and installation of all interconnecting pipe lines/piping within the battery limit.
• Installation of flue gas ducts between boilers and individual stacks, complete with supports, platforms and accessories with insulation.
• Pre-commissioning of Boilers and commissioning support.

Sea Water Booster Pump Area:

• Installation of 3 nos of sea water booster pumps
• Installation of electrical hoist
• Fabrication and installation of 32”/40” Glass Reinforced Pipe (GRP) line for suction line from sea water intake (downstream), up to pump suction nozzle.
• Fabrication and installation of 32” GRP line for discharge line
• Pre-commissioning of Sea Water Booster pumps and commissioning support.

Jetty Area:

• Disinvestment & Modification of the existing 20” & 24” Fuel Oil lines, which includes emptying of the fuel oil in the lines to the respective tank, chemical cleaning and degassing work.
• Installation of sump and drain pumps.
• Installation of 4 Loading Arms, including connection of hydraulic system to the power rack
• Pre-commissioning & commissioning support.

Diesel Tank Area:

• Emptying of residual diesel from the 24” diesel line and transferring to tanks.
• Chemical cleaning, de-sludge, degassing of the entire tanks (2 nos).
• Modification on all interconnection pipe lines for diesel pumps and tanks.
• Installation of diesel oil pumps.

Fire Protection System: Supply, installation, commissioning and authority submission of:

• Fire water supply line from Tuas Power fire main ring to Neste Oil Plant battery limit.
• Fire hydrant line from sea water booster pump area to boiler area.
• Fire water foam line from existing jetty to new jetty.
• Installation of Bladder tank and associated piping and instruments.
• Fire hydrants
• Portable Fire extinguishers

Offshore piping using Barge crane		Loading arm installation at Jetty
Thermax Boiler Erection – 2 nos		Thermax Boiler Erection – 2 nos
Fuel Oil Pipeline installation along the jetty to feed station		Sea Water Booster pump & its GRE piping installation
Offshore pipe installation		Bladder tank installation for fire fighting system
Fuel Oil line modification (cold cutting)		Glass Re-inforced pipe line fabrication & erection

Successful completion of The Halfdan B Phase IV Development Project

Project: The Halfdan B Phase IV Development Project Owner: Maersk Oil & Gas Main Contractor: SOME Pte Ltd Subcontractor: JML (JEL Maintenance Pte Ltd) Project Duration: April 2009 – April 2010

Scope of Work:

• Halfdan project is one of the fast track project executed with high quality & safety standards. This module was to be installed for offshore of North sea.
• Total Piping of 70,000 Dia Inch & relevant Pipe support fabrication and installation works for topside modules & Bridges.
• Piping Material for the whole project was Low Temperature Carbon Steel (LTCS).
• Manpower of 5 Engineers, 10 Supervisors & 200 front end work forces were involved in successfully completing this project.

Piping and Equipment installation on Halfdan Modules.