CP1494-17 A361 and A39 North Devon Link Road Geotechnical Investigation
key details
| Value | £250,000 |
|---|---|
| Status | complete |
| Category (CPV) | 71330000 |
| Region | South West |
| Deadline | 8 Dec 2017 |
| Contract start | 5 Feb 2018 |
| Contract end | 21 Dec 2018 |
| Procedure | open |
| SME suitable | Yes |
| OCID | ocds-b5fd17-5a9a3804-37dd-4615-84ef-d42558ccabea |
Award
| Supplier | Value | Date | Status |
|---|---|---|---|
| Geotechnics Ltd | £125,000 | 8 Jan 2018 | active |
description
This Contract involves the Geotechnical Investigation into the A361 / A39 North Devon Link Road from the Borner's Bridge Junction at South Molton to the Buckleigh Road Junction near Bideford.
The ground investigation will comprise the following works:
| • | The excavation of mechanically dug trial pits to a maximum depth of 4m or refusal. |
| • | Windowless sample borehole drilled by a dynamic sampling rig to depths as given in the Procurement Documents or refusal on rockhead. This is to include in-situ Standard Penetration Testing (SPT) and undisturbed sampling. Hand-dug starter pits shall be excavated at all exploratory borehole locations. |
| • | Combine dynamic sample / rotary open hole / rotary cored boreholes to depths as given in the Procurement Documents . This is to include in-situ Standard Penetration Testing (SPT) and undisturbed sampling. Hand-dug starter pits shall be excavated at all exploratory borehole locations. |
| • | Excavation of hand-dug trial pits in sides of existing cuttings and removal of vegetation to expose underlying rock mass to facilitate kinematic analysis. |
| • | Excavation of hand dug pits at base of cutting where inaccessible to mechanical excavation/boring methods. |
| • | Installation of groundwater monitoring standpipes in boreholes to a depth specified by the supervising engineer. Monitoring standpipes shall be 19mm diameter or greater. |
| • | In-situ determination of California bearing Ratio (CBR) - to be undertaken using Dynamic Cone Penetration (DCP) equipment. The number and location of DCP tests required to provide sufficient coverage will be determined on site by the Investigation Supervisor. |
| • | Groundwater monitoring is to be conducted following the completion of site works at intervals determined by the Investigation Supervisor. All installations shall be monitored to establish the elevation of groundwater. |
| • | Geotechnical Laboratory testing on selected samples. |
| • | Environmental/Chemical Laboratory testing on selected samples. |
| • | Specific borehole requirements and Borehole location plans are detailed within the Procurement Documents. |
| • | Provide Devon County Council with a Ground Investigation Report and Interpretation Report, plus design support. The procurement documents are available for unrestricted and full direct access, free of charge, at: http://www.supplyingthesouthwest.org.uk Tenders or requests to participate must be submitted electronically via: http://www.supplyingthesouthwest.org.uk |
Additional information: The procurement documents are available for unrestricted and full direct access, free of charge, at: http://www.supplyingthesouthwest.org.uk Tenders or requests to participate must be submitted electronically via: http://www.supplyingthesouthwest.org.uk
documents
- https://www.contractsfinder.service.gov.uk/Notice/b2ef4fcb-1799-41ef-b9e7-f64cb0a03e70 , tenderNotice
Documents are linked, not mirrored. They are served by the publishing authority and may require registration.
notice history
1 notice published against this procurement.
| Published | Type | Regime | Notice |
|---|---|---|---|
| 26 Feb 2018 | Award update (awardUpdate) | · | b2ef4fcb-1799-41ef-b9e7-f64cb0a03e70-201119 |
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source
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