Closed

EVA Copper Project - Preliminary Earthworks

Tender ID: 538405


Tender Details

Organisation:
Tender #:
EOIC5502  
Status:
Closed
Publish Date:
22 September 2023
Closing Date:
6 October 2023

Tender Description

The work shall include, but shall not necessarily be limited to the supply of:

o Site mobilisation, preparation, clearing and grubbing to the minimum extent of battery limits specified in design drawings.

o Contractor shall prepare a plan for additional area required for site facilities (office, crib, laydown, etc.) and submit for approval.

o Contractor shall allow for work set out by qualified surveyor.

o Contractor shall allow for all required topsoil stripping. Contractor shall allow for all required pad and track clearing and filling of creek crossings.

o Contractor shall allow for temporary erosion and sediment control measures.

o Contractor shall allow for inspection and testing prior to handing over of Works Contractor shall allow for site cleaning and demobilisation.

o Contractor shall remain up to date with all required QA/QC and Testing in accordance with Australian Standards and Engineering Specifications.

o Contractor shall allow for final handing over of works and quality assurance documentation for approval

1. Upgrade of the existing track from the Burke Development Road through to the 3-hectare Village pad and the Process Plant laydown areas

o the existing track from Burke Development Road intersection through to new Village and Process Plant Laydown areas is to be straightened through its horizontal alignment utilising a maximum allowable 10m disturbance width to facilitate the movement of single semi-trailers

o 6 off water crossings as indicated in approximate key locations 1, 3 & 4 and constructed in accordance with drawing 107501-EB-04120-31340- 001. Exact location to be determined onsite and approved by Company prior to commencement of construction.

o Generally, this track will have a nominal running surface of 6m. Track to be graded once cleared to remove minor undulations

o Where possible, crests either side of water crossings are to be reduced by grading to minimise rise severity.

o Overhanging branches within the 10m corridor are to be cut back by the contractor.

o at key location 2 as indicated in drawing 107501-EB-04120-31340-001 where the access road changes direction from East/West to North/South, the contractor is to increase the road surface to a width of 10m to create the maximum turning surface possible. This surface is to be flattened to allow for a smooth transition by heavy vehicles.

o Cleared vegetation is to be stockpiled in area nominated by the Company Representative / Company. Contractor to allow for stockpile area in proximity to Process Plant Laydown Yard.

2. Clearing and Grubbing of a 3-hectare Topsoil & Vegetation Stockpile Area

o A 3 Hectare pad as nominally indicated at key location 8 in drawing 107501-EB-04120-31340-001 is to be cleared and grubbed.

3. Clearing and Grubbing of a 3-hectare Village pad

o A 3 Hectare pad as nominally indicated at key location 5 in drawing 107501-EB-04120-31340-001

o Exact extent of 3 Hectare pad by others.

o Nominally 150mm of topsoil to be removed from surface and stockpiled in area nominated by the Company Representative / Company. Contractor to allow for stockpile area in proximity to Process Plant Laydown Yard.

4. Clearing, Grubbing and Compacting of the 6-hectare Process Plant laydown area

o 6 Hectare pad as indicated at key location 6 in drawing 107501-EB-04120- 31340-001 is to be cleared and grubbed.

o Pad to be levelled to produce a minor fall in the direction of natural run off

o Pad to be scarified, conditioned and rolled to produce a compacted surface.

o Cleared vegetation is to be stockpiled in area nominated by the Company Representative / Company. Contractor to allow for stockpile area in proximity to Process Plant Laydown Yard.

o Nominally 150mm of topsoil to be removed from surface and stockpiled in area nominated by the Company Representative / Company. Contractor to allow for stockpile area in proximity to Process Plant Laydown Yard.

o Exact extent of 3 Hectare pad by others.

o Nominally 150mm of topsoil to be removed from surface and stockpiled in area nominated by the Company Representative / Company. Contractor to allow for stockpile area in proximity to Process Plant Laydown Yard.

5. Construction of the Northern Bore Field access track

o The access track as indicated in part as key location 7 in drawing 107501- EB-04120-31340-001.

o The track is to be cleared to produce a maximum disturbance corridor and running surface width of 6m. The track is to be graded once cleared to remove minor undulations.

o Water crossings in potentially 4 locations along this section of track are to be constructed as per drawing 107501-EB-04120-31340-001. The actual number of crossings required is to be confirmed by the Company

o Where possible, crests either side of the crossings are to be reduced by grading to minimise rise severity

o Overhanging branches within the 6m corridor to be cut back

o Cleared vegetation is to be stockpiled in area nominated by the Company Representative / Company. Contractor to allow for stockpile area in proximity to Process Plant Laydown Yard.



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