Sewerage work

Tender description

Repairs and maintenance of approximately 16 000 km of the contracting entity's sewerage network in the North East of England operating area. This framework relates to the South Region of the North East Operating Area (generally covering Darlington, Teesside, Durham, Stockton and parts of Teesdale and Weardale). The scope of work includes, but is not limited to, reactive and planned, repairs and maintenance (including minor alterations and enhancements) of approximately 16 000 km of the contracting entity’s sewerage network. The services will largely be reactive emergency services in response to customer contacts and other short term work where there is an immediate and repeated adverse impact on customer service or other serviceability measures. The service will resolve issues that are causing or likely to cause uncontrolled escapes from sewers leading to property and curtilage flooding and pollution events and may include: — provision of 24/7/365 emergency call out cover, — network investigations including reactive and programmed CCTV, look see, flooding, pollution and odour complaints, — reactive and programmed sewer cleansing, — ultra high pressure jet cutting, — sewer blockage clearing, — initial root cutting, — sewer maintenance and repairs, including dig down repairs, rising main repairs, reactive patch repairs and reactive lining, — post event clear up, — reactive sewer mapping, — rodent baiting, — minor building over sewer diversions, — new manholes, manhole repairs, manhole cover and frame replacement and/or repairs. The contracting entity estimates a spend of approx 5 000 000 GBP to 6 000 000 GBP per annum over a potential 6 year duration (by extension at NWL's discretion following an initial 2 year period). No guarantee of work or spend is provided and as this is a reactive framework volumes can fluctuate. The Initial framework period is 2 years with the option to extend for a further period of up to 4 years.