HD Sewage Waste Treatment and Disposal. Lot 1 - Sludge treatment and disposal Lot 2 - RBC Waste & Thin sludge treatment and disposal – Lot nr.: 1 Lot 1 - Sludge treatment and disposal To receive untreated and partially treated sewage sludge site from our Sewage Treatment Works (STWs) and process and treat at a permitted / licensed site. Duration contract start date : 18/01/2027 12:00:00 AM Duration contract end date : 18/01/2032 11:59:59 PM Criteria definitions: Price: 40 (Price) Quality: 40 (Quality) Quality: 20 (Sustainability) – Lot nr.: 2 Lot 2 - RBC Waste & Thin sludge treatment and disposal To receive, process and treat partially treated sewage resulting from the routine emptying and cleansing of rotating biological contactor (RBC) package treatment plants. Duration contract start date : 18/01/2027 12:00:00 AM Duration contract end date : 18/01/2032 11:59:59 PM Criteria definitions: Price: 40 (Price) Quality: 40 (Quality) Quality: 20 (Sustainability)