Wastewater treatment plant construction work

Tender description

We are seeking to appoint a number of contractors to deliver design and construct and construct only services for new mine water treatment schemes and also to refurbish existing schemes along with associated minor works with effect from 1.4.2020. The services will be required for a period of 4 years. Lot 1: Design and build/build only services: 2 contractors will be appointed to this lot on the framework. Typical scheme values 1 000 000 GBP+. All new projects will be subject to mini-competition. Mini-competitions will be straightforward in nature and based upon ability to deliver to time and cost. The coal authority intends to invite — Lot 1 — up to seven bidders to tender for a place on the framework. Lot 1 projects may comprise of: — a brand new or major refurbishment of a minewater treatment scheme which may include, — aeration systems — typically cascade structures, — settlement lagoons, — reed beds/wetland areas, — sludge handling facilities, — inlet and outlet structures and liner systems to the settlement lagoons and wetlands, — interconnecting channels and pipelines, — access roads and footpaths, — associated drainage works, — pumping infrastructure, — mechanical and electrical works for schemes where pumping to remote treatment area or from underground workings is required, — chemical dosing systems where required, — landscaping works, fencing and signage. Note: this list is indicative only. Lot 2: Scheme refurbishments, liner replacements and access track works along with any required minor works. It is our expectation that we appoint between 5 and ten contractors to this lot on the framework. The final figure will be dependent upon the market’s ability to provide the geographical and technical coverage required. Typical scheme values 50 000 000 GBP — 1 000 000 GBP. All new projects will be subject to mini-competition. Mini-competitions will be straightforward in nature and based upon ability to deliver to time and cost.