Friday 24th of October 2025

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Site Preparation01 DunggioDrilling .jpg Site Preparation010 DunggioDrilling .jpg Site Preparation011 DunggioDrilling .jpg Site Preparation02 DunggioDrilling .jpg Site Preparation03 DunggioDrilling .jpg Site Preparation04 DunggioDrilling .jpg Site Preparation05 DunggioDrilling .jpg Site Preparation06 DunggioDrilling .jpg Site Preparation07 DunggioDrilling .jpg Site Preparation08 DunggioDrilling .jpg Site Preparation09 DunggioDrilling .jpg
SITE PREPARATION

Before drilling operation can begin, the drill site must be prepared. The access team will move with the work and safety equipment to prepare the location. 1 access team consist of 5 people, which is 1 Leader Access, 2 Chainsaw Operator and 2 Access Crew.

To meet the target of zero accidents and zero incidents and to preserving the environment, we will provide an internal and external training, such as Chainsaw Training. SOP Training and JSA Training.

The team should clean vegetation and construct a pad for the drilling rig. Also, should construct an access road.


1. Purpose of site preparation

  • Site preparation creates a safe, stable, and environmentally compliant working area so drilling can start on time and without unnecessary risk. It includes access (roads/tracks), the drill pad, temporary facilities, environmental controls, safety measures, and communications with stakeholders.

2. Typical access team and responsibilities

The picture gives a practical crew composition for the access team:

  • 1 Leader, Access — supervises site works, enforces HSE, coordinates with drilling superintendent and client.
  • 2 Chainsaw Operators — trained personnel who clear timber/vegetation safely and cut trees to required specifications.
  • 2 Access Crew — labourers who handle brush removal, small earthworks, flagging, and site housekeeping.
  • Depending on scope and terrain, the team may be supplemented with equipment operators (excavator, dozer), surveyor, or additional labourers.

3. Pre-clearance activities (before any vegetation is removed)

  • Desktop and legal checks: confirm land tenure, permits, environmental approvals, and cultural heritage constraints.
  • Stakeholder engagement: notify landowners/local communities; coordinate access windows and mitigate local impacts.
  • Environmental baseline & constraints: mark sensitive areas (streams, steep slopes, protected trees) and no-go zones.
  • Survey & peg: survey drillhole collars, access alignment, and pad footprint; peg and mark boundaries.

4. Training & HSE (from the picture: Chainsaw, SOP, JSA)

  • Chainsaw training: correct felling techniques, escape routes, personal protective equipment (PPE), and maintenance.
  • SOP training: site-specific standard operating procedures for clearing, pad construction, equipment mobilization, fuel handling.
  • JSA (Job Safety Analysis): identify hazards for each task, control measures, and authorizations before work starts.
  • Other HSE: emergency response plan, first aid, vehicle safety, permit-to-work, toolbox talks, and daily pre-start checks.
  • Goal: zero accidents, zero incidents — align with client safety policy and local regulation.

5. Vegetation clearing & drill pad construction (core activities referenced in the image)

  • Vegetation clearing: remove undergrowth and selected trees according to environmental plan; retain topsoil where required. Use chain of custody for removed timber if required by local rules.
  • Pad footprint: level or bench a stable pad sized for the rig, pipe racks, mud tanks, laydown area, and safe working space. Typical requirements depend on rig but include firm, graded surface and safe slopes.
  • Subgrade preparation: compact foundation, place geofabric or crushed rock if needed to improve drainage and reduce rutting.
  • Drainage & erosion control: slope the pad to shed water, add diversion channels, silt traps/sediment fences to protect nearby waterways.
  • Topsoil & rehabilitation: stockpile topsoil separately for later site rehabilitation.

6. Access road construction (also referenced in the image)

  • Road alignment: follow the least-impact route, avoid steep gradients where possible, and minimize cuts and fills.
  • Crossings & culverts: design temporary crossings so streams are not blocked; install culverts where required.
  • Road surfacing: temporary gravel or rock to prevent bogging in wet seasons; install drainage drains to avoid road erosion.
  • Traffic controls: signage, speed limits, passing bays, and induction for drivers to reduce incidents.

7. Environmental controls & best practice

  • Spill prevention: designated fuelling area with bunding and spill kits.
  • Waste management: segregate and remove rubbish, hazardous waste, and used oils.
  • Sediment control: silt fences, sediment basins, and regular inspection after rain.
  • Flora/fauna protection: avoid protected species and follow seasonal restrictions if nesting/pupping present.
  • Rehabilitation plan: progressive rehabilitation of disturbed areas and final restoration after drilling completion.

8. Site services & logistics

  • Temporary facilities: laydown area, tool store, minor workshop, toilet and hand-washing, potable water.
  • Security & signage: site identification, emergency numbers, restricted access zones.
  • Communications: radios, satellite/cell link depending on remoteness, and daily reporting lines.
  • Power & lighting: if needed for 24-hour operations or night safety.

9. Geotechnical & drilling readiness checks

  • Confirm pad level, compaction, and load capacity are adequate for rig weight.
  • Verify drill collar coordinates and orientation against survey pegs.
  • Ensure mud pits or containment areas are prepared and sited away from sensitive zones.

10. Handover & acceptance before drilling

  • Pre-start inspection: client or drilling superintendent signs off on pad, access, and HSE measures.
  • Document control: site drawings, JSA, toolbox talk records, incident reporting procedure on site.
  • Mobilization: rig and ancillaries move in once pad is accepted.

11. Post-drilling demobilization & rehabilitation

  • Remove hardstandings and machinery, re-spread topsoil, re-contour access tracks where applicable, replant (if required), and monitor until stable.
 

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