Demolition, site preparation and clearance work

Tender description

The ground investigation contractor(s) appointed will be required to provide, inter alia, ground investigation for design and construction (by others) of clean and dirty water infrastructure likely to comprise treatment works, pumping stations, water pipelines, sewers, shafts, manholes, chambers, pipe jacks, HDD’s and guided auger bores and any other relevant service. Ground investigation to assess mining and contamination/ waste risk will also be required. The successful contractors(s) will also be required to carry out all ground investigation aspects of pre-site works, site works and post site works activities. The contractor(s) appointed are not required to provide consultancy services to ensure adequacy of the design of the project for which the works and services are carried out. However, liaison and collaboration with other delivery partners will be required to achieve the aims of the investigation and project. The ground investigation contractor(s) appointed will be required to provide, inter alia, ground investigation for design and construction (by others) of clean and dirty water infrastructure likely to comprise treatment works, pumping stations, water pipelines, sewers, shafts, manholes, chambers, pipe jacks, HDD’s and guided auger bores and any other relevant service. Ground investigation to assess mining and contamination/ waste risk will also be required. Ground investigation will involve: Pre-site works (a) pricing of ground investigation contract documents (specification/ BoQ), including site visits to assess and cost for all elements involved in completing the ground investigation works. (b) advance measures required prior to site works such as permissions (for example coal authority), health and safety assessment and documentation, co-ordination with Scottish Water services and the principal contractor with regard to compounds, landowner interface, access routes and tracks, biosecurity and reinstatement for instance. (c) defining of site attendance (number and experience of staff). Site works (d) on site services including cable percussion boring, rotary drilling, dynamic sampling with rotary follow on, low ground pressure rigs, rotary sonic rigs, window sample rigs, investigation on rail and transport scotland property, access to (3D) GPR/slit trenches services to positively locate underground utilities, trial pitting, probing, in situ testing, geophysical testing (for example mine shaft location), geotechnical and environmental sampling, installation of instrumentation and monitoring, all to obtain information on ground conditions in compliance with current standards and best practice guidance. Post site works (e) provision of accurate AFP’s to agreed schedule dates. (f) Post fieldwork monitoring for gas and water. (g) Laboratory geotechnical testing of soil and rock (for example, but not limited to, Point Load, UCS and Cerchar abrasivity) and geo-environmental testing and reporting including for water supply pipe assessment (UKWIR) and Waste Acceptance Criteria (WAC) as well as for human health and water environment assessment. (h) Factual reports Appropriate storage and management of samples obtained for a minimum of twelve months after completion of testing, analysis and reporting. The contractor(s) appointed are not required to provide consultancy services to ensure adequacy of the design of the project for which the works and services are carried out. However, liaison and collaboration with other delivery partners will be required to achieve SW Internal Commercial the aims of the investigation and project. Desk study and GIR/GDR and baseline reports are unlikely to be required. Limited consultancy services in liaison with the client or their consultants and partners may be required. Scottish Water specifications and WIMES specifications apply to the supply of all Commodities as do any and all regulatory requirements.