Ground investigation contractors are sought to join a ground investigation framework for public sector bodies in Northern Ireland.
The Contact Construction and Procurement Delivery of the Northern Ireland Executive is seeking contractors to join a £6M ground investigation framework.
Divided into four lots, the framework will include drilling of boreholes, excavation of trail pits, groundwater monitoring, geotechnical and geo-environmental testing, geophysical investigations and production of factual and interpretative reports.
In general, the value of a single work order will range from £2000 to £40,000, and will not exceed £150,000.
Lot one covers the Causeway Coast and Glens; Mid and East Antrim; Antrim and Newtownabbey; Lot two covers Lisburn and Castlereagh; Belfast; Lot three covers Mid Ulster; Derry and Strabane; Fermanagh and Omagh; and Lot four Armagh, Banbridge and Craigavon; Newry, Mourne and Down; North Down and Ards.
Works are expected to include cable percussion boreholes, dynamic sampling boreholes, rotary drillholes with and without core recovery in both overburden and hard strata, trial pit and trenches, sampling and monitoring during intrusive investigation, probing and cone penetration testing, utility GPR surveys, topographical surveys, in situ testing, groundwater and ground gas standpipes and post works monitoring, surveying exploratory hole locations, as well as laboratory based testing.
Each lot has an estimated value of around £75,000 per year to a max £1.5M over a four year duration ending in 2023.
It is envisaged that six firms will be on each framework, however the maximum number of frameworks that one firm can sit on will be limited to three.
Interested firms need to register their interest or submit their tender by 11 December at 3pm. The estimated date of invitations to tender or to participate to selected candidates will 11 January 2019.