EPC Services

Wasco is capable of providing the full suite of Engineering, Procurement and Construction (EPC), Maintenance and Operations Services through a combination of in-house and trusted sub-contractors. The integrated team at Wasco has the capability to remove traditional contract boundaries between the project functions and operate as a single team. The combined EPC approach has successfully delivered complex projects with exceptional cost and schedule outcomes due to efficiencies gained by utilising the correct resources for the task and a reduction in effort managing interfaces between project functions. Wasco’s parts and service business function further enhances the team performance by providing specialist operating and maintenance information during the EPC process. Strong relationships with key sub-contractors also allows Wasco to seamlessly transition the project into the commissioning and operations phases.


Wasco operates a full service multi-discipline engineering design office, specifically oriented to provision of fit for purpose engineering and design as part of EPC services to its customers. Wasco also has supply agreements with additional local based engineers and designers whom it calls on as required to meet demand. Wasco also has the ability to extend its resources by reaching into Wasco in Singapore where a multi-discipline Wasco team also operates


Wasco converts design from documentation to product delivery by working with supply chain partners, selected vendors, specialist equipment manufacturers and its own fabrication workshops. Wasco has strong supply chain links with it's OEM partners across all materials and equipment required for oil and gas facilites and pipelines.

Our services range from well site installation to steel pipeline construction, PE gathering, GRE Pipeline installation and complete Civil, Mechanical, Piping, Instrument and Electrical installation at facilities such as Gas Compression and Dehydration stations, mainline valves, metering and scraper stations and end of line pressure regulation stations.


Wasco self performs installation and testing of the products and facilities it designs and supplies. Wasco can provide installation services as head contractor or as a sub-contract service provider.

EPC Projects

Wasco Australia EDL North Goonyella Infrastructure Project

North Goonyella Infrastructure Project

Wasco Australia is proud to announce the award of the North Goonyella Gas Infrastructure Project by Energy Developments Pty Limited (EDL) located near Moranbah, Queensland. The project will collect waste mine gas from Peabody’s North Goonyella Coal Mine and deliver it to a new 22MW power station also being developed by EDL as part of the project. Wasco will design, supply, install and commission the Gas Drainage Plant (including three Liquid Ring Compressors, cooling system, power supply through a 2500kVA transformer and flare system) and 8km of large bore HDPE pipeline and surface drainage connections. The project scope includes Civil, Structural, Mechanical, Piping, Electrical, Control and Communications and will use trusted partner subcontractors for specialized work to supplement Wasco’s teams. Wasco will work closely with EDL and Peabody to complete the project efficiently and safely.

EPC - Westside Field Compression Facility Construction EPC - Westside Field Compression Facility Design

Wasco Designs and Builds for Westside at Moura Central

Wasco Australia is proud to reach completion and achievement of first gas delivery through Westside Corporation’s expansion facilities at Moura Central Gas Compression facility. The project included design, supply and installation of balance of plant and installation of an additional Waukesha-GE 6 Throw Reciprocating gas compressor and TEG dehydration skid. Wasco carried out Civil, Structural, Mechanical, Piping, Instrumentation and Electrical scope as well as upstream pipeline and slug catcher supply and installation. The project also featured design and installation of a steel driven pile design system for all skids, pipe racks and supports. Wasco’s Shailer Park and Moura teams were joined by partner sub-contractors Amcor Excavations, DFI Energy Services, Comlek, SDP Contracting, Precision Pipe Engineering and Piping Solutions as well as Westside Corporation project and operations to complete this complex brown field project safely.

EPC - Central Petroleum Design

Acquisition of EPC Projects for Central Petroleum

In March 2018 Wasco Australia was appointed by Central Petroleum to a panel of EPC service providers to assist Central in delivering commited gas projects during 2018 as part of it’s expanding Northern Territory operations. Wasco will deliver EPC services associated with Gas Compression, Dehydration and Flowlines during 2018 with work commencing on three projects in April 2018 for delivery in Q4. Wasco’s channel partnerships with OEM’s Ariel and Waukesha and in house engineering design services are a vital part of the services providing the best value possible to Central. Wasco looks forward to a successful relationship with Central.

EPC - Senex Feild Gathering Project Phase 2

Completion of Senex WSGP Phase 2 Gathering Project

The final piece of Senex Western Surat Gas Project (WSGP) gathering scope was completed by Wasco during March 2018. Connection of field export gas and water pipelines to export metering points at the Eos field boundary was completed by a small crew. The completion of this part connects the 30 well gathering system supplied and installed by Wasco during 2017. The project was supported by Wasco’s Western Surat (Roma) facility where fabrication of PE arrangements (Vents, Drains, Branches, Valves and Risers) was carried out. In all Wasco supplied and installed 75km of PE100 Gas and Water Pipelines ranging from 63mm to 500mm in size and connected 30 well sites, slug catcher and export metering facilities for Senex.

EPC - Field Compression Facility Expansion

EPC - Field Compression Facility Expansion

A component of one of Wasco’s major customers continuing coal seam gas development includes modification of existing gas compression facilities. Wasco worked with it’s customer to add an additional gas engine driven rotary screw compressor at an existing field compression facility. The project featured piping and control system additions and modifications as well as Waukesha / Ariel equipment installation and commissioning assistance.

Coal Seam Gas – EPC delivery Central Queensland

Coal Seam Gas – EPC delivery Central Queensland

Through 2016 and 2017 Wasco has delivered over 30 gas well connections for it’s major coal seam gas customer near Moura, Central Queensland. Wasco provides EPC services including well pad layout, gathering pipelines and associated infrastructure design, supply and construction services. Services include placement and commissioning of well site equipment as well as buried infrastructure.

Supply & installation of 30 well CSG Gathering System - Surat Basin

Supply & installation of 30 well CSG Gathering System - Surat Basin

During 2017 Wasco completed supply and installation of over 70km PE100 Gas and Water Gathering for a major customer in the western Surat Basin as part of it’s ongoing development of coal seam gas fields. Pipe sizes from 63mm to 500mm were installed along with vents, drains, risers, branches and well hook ups. The project was supported by Wasco Roma fabrication facility where all inline fabricated items were prepared.

Kincora Gas Project

Kincora Gas Project – Restart 2017

Wasco has provided engineering and multi-disciplined trades and labour to plan and implement the restart of the Kincora Gas Project assets for Armour Energy near Surat, Qld. The project involved up to 40 personnel and included inspection, repair, refurbishment, testing and operation of gas wells, pipelines, dehydration, compression and liquids processing to conclude with production of sales gas for export to Wallumbilla during September 2017 and LPG later in the year. The photo captures the Kincora crew on the date of handover of Dry Gas operations to Armour by Wasco.

Toowoomba Steel Main Relocations

Toowoomba Steel Main Relocations

In June 2017 Wasco installed 1700m of DN150 and DN100 steel gas pipeline in three sections at Boundary St and Mort St in Toowoomba as a part of Toowoomba Regional Councils road modifications associated with the second range crossing. Wasco installed and tested 3LPE X42 steel pipeline including several difficult HDD crossings and multi-service utility corridors.

Central Petroleum Mereenie Field Services

Central Petroleum Mereenie Field Services

In October 2017 Wasco mobilised a small crew to Mereenie in the Northern Territory to complete installation of a Wasco designed and fabricated pipeline bridge as part of the EM20 flowline modifications project. The project also included relocation of 700m of DN80 pipeline, installation of 160m new DN80 steel pipeline and modifications to piping at several above ground facilities.