Castle Point Borough Council (CPBC) through the Essex Procurement Partnership (EPP) is looking to renew their recycling waste disposal services contracts. This relates the provision of a waste transfer station (WTS), haulage and Materials Recycling Facility (MRF) services for the borough´s dry mixed recycling requirements (excluding glass). The contract duration is 5 years plus an optional extension of up to 5 years in one or multiple increments. Known-unknown risks: 1- Declining or failing end markets Impact: Financial pressure, operational disruption, and performance risks for both the Contractor and the Authority. Why this cannot be addressed upfront: Neither party can accurately forecast long‑term end‑market viability or values, making upfront risk pricing potentially disproportionate and poor value for money. 2- Geopolitical events / Wars / Blockades Impact: Service delays, reduced recycling performance, financial pressure on the Contractor, or value‑for‑money risks for the Authority Why this cannot be addressed upfront: Pricing, service volumes, and operational impacts cannot be accurately or proportionately quantified at contract inception without introducing excessive risk premiums. 3- Extreme weather events Impact: Effects to service continuity, performance standards, and contract affordability. Why this cannot be addressed upfront: It is not possible to price or fully mitigate all operational and financial impacts upfront without introducing disproportionate cost or risk premiums. There is a possibility that the contract may require modification if one of the identified risks above materialise