Competition with a shortlist
Competitive procedure with a selection stage: suppliers were shortlisted before being invited to bid.
Key facts
- Buyer
- United Utilities Water Limited · Utilities
- Supplier
- Ross-shire Engineering Ltd
- Value
- Not published
- Procedure
- Negotiated procedure with prior call for competition
- Sector
- Construction work · Drinking-water treatment plant construction work (CPV 45252126)
- Region
- North West
- Official notice
- 013578-2023 on Find a Tender
- Timeline
-
- Contract date14 Apr 2023
- Published12 May 2023Published 28 days after the contract date
Description
The works consists of the design, construction and commissioning of the following at Lostock WTW Refurbishment of the concrete structure and replacement of the filter plenum floor of 2 No. current rapid gravity filters (Filters 7 and 8) to prevent erosion of exposed surfaces, prevent water quality deterioration, and ensure satisfactory performance of the filter underdrains. Replacement of the steel plenum floors and air scour pipework system of 4 No. steel rapid gravity filters to prevent water quality deterioration, and ensure satisfactory performance of the filter underdrains. Topping up of anthracite media in 8 No. Filters final depth required 400mm (as per the Employer’s Standard Operating Procedure). Provision of 2no stainless steel access ladders in each of the concrete construction rapid gravity filters Replacement of the Clean Backwash Water Control Valve LKA-WW-VA007 (A5/AV6062) for the 6 No. steel rapid gravity filters
About the supplier
Ross-shire Engineering Ltd: every public contract they have won, plus their Companies House record (company SC177939).