Methane Plant Management Services

NEPEAN Gas’s project & site management services encompass all aspects of the methane drainage surface head including:

CIVIL EARTHWORKS & CONCRETING

NEPEAN Gas project management and site management of earthworks includes bunding, roads, concrete pads and footings.  NEPEAN also provides truck-tipping bays, hopper dump systems, building protection barriers etc.

BARRIERS & FENCING

The nature of this equipment and presence of explosive gases mean high standards of safety and security are required at each methane plant site.  NEPEAN Gas supply and erect fencing c/w lockable gates and proper signage on all gas drainage sites.

PROTECTIVE STRUCTURES 

Gas engines and associated electrical equipment are usually given all weather protection in the form of shelters to prevent water ingress and ensure the shielding of maintenance personnel from the elements.

MAINTENANCE OF SECURE COMPOUND AREAS

NEPEAN Gas can ensure the maintenance of compound areas, including care of fencing and barriers, maintenance of lightning conductors, weed control and storm damage repair.

METHANE STACKS & GAS ENGINES

NEPEAN Gas provides a complete project management service encompassing manufacture, installation, commissioning and monitoring.  This full service includes the organisation of contractors - drillers, concreters, electrical and carnage. NEPEAN Gas is constantly mindful to comply with all mine site requirements.

In addition NEPEAN assembles all documentation and records required for the installation in a report for each borehole project. Initial borehole characteristics and outputs are recorded and the efficiency of the stack is monitored during commissioning.

DECOMMISSIONING 

NEPEAN Gas also manages gaswell decommissioning.  Procedural items normally include:

  • Disconnection of power and isolating the gaswell.
  • Removal of the methane stack and surface equipment and transport to NEPEAN Gas for a full overhaul and report.
  • Concrete sealing of the gaswell.
  • Excavation of the top two meters of the sealed gaswell.
  • Photographic evidence is taken after the completion of the sealing.
  • Balance of earthworks required and restoration of surface features.

BORE HOLE SEALS

NEPEAN Gas seal large diameter boreholes, NEPEAN Gas supply and install a steel hopper on the surface allowing multiple concrete trucks to pour concrete simultaneously. 

ENVIRONMENTAL REHABILITATION

NEPEAN Gas provides services for the rehabilitation of borehole sites or the protection of existing environmental features from mine disturbance.

GAS PIPELINE WORKS

NEPEAN Gas offers services including preparation and installation of gas pipelines including pipelines to link adjoining boreholes.

MAINTENANCE

NEPEAN Gas provides professional maintenance staff to facilitate scheduled services after they have been inducted for the site. Regular maintenance is required in order to keep the plant inspected and maintained to mine site requirements.