Jamestown Temporary Bus Depot - Ground Investigation

Tender description

This Contract involves the planning, sequencing, and construction of the investigation locations to provide the required ground investigation data to enable the detailed design of the Jamestown Temporary Bus Depot. The Investigation provides for boreholes utilising rotary drilling/coring techniques to extend down through Made Ground, overburden soils and into rock where required. Trial pits will be undertaken to provide information on the underlying ground conditions. In situ testing will also be carried out as appropriate including Plate Load Testing (PLTs) and Soakaway Testing. Geotechnical laboratory testing will be required to inform geotechnical parameters of materials encountered during the ground investigation. It is envisaged that the Ground Investigation Contractor will navigate constraints such as finding suitable accessible locations in order to complete the works. Standpipe construction will be required to enable long term monitoring of the groundwater regime. Standpipe construction requirements are identified in Schedule 2. Geo-environmental sampling and analysis will be required including in areas where made ground or potential contamination may be present. This investigation includes red locations. The Contractor must undertake fieldworks, installations and monitoring, in situ testing, laboratory testing and preparation of a factual report in accordance with the Specification.