Source: https://tendernation.io/opportunities/01a13c00-07ba-70e3-b15f-2df112d9c209/clay-requirement-for-flood-storage-reservoir-stowmarket closed GB open procedure # Clay requirement for Flood Storage Reservoir, Stowmarket [Environment Agency](https://tendernation.io/buyers/environment-agency) Estimated value £80,000 to £110,000 Published 18 Aug 2015 Deadline Closed 28 Aug 2015 ## Who can bid - Small contract value Valued under £135,018 including VAT, the lowest Procurement Act threshold for goods and services. - Open procedure Anyone can submit a full tender; there is no shortlisting stage. ## About this tender Procurement and delivery of up to 7500 tonnes of suitable clay to enable the rebuilding of a flood storage reservoir on the River Gipping at Stowmarket, Suffolk. Additional information: The Environment Agency has the following requirement to fulfil: Procurement and delivery of 7500-10,000 tonnes of suitable clay to enable the rebuilding of a flood storage reservoir on the River Gipping at Stowmarket, Suffolk. It is required that 500 tonnes per day will be delivered. All delivery lorries will have to be on 8 wheeler ridged lorries, not articulated lorries. Outline Specification for purchase of clay for a homogeneous earth fill dam: 1. Maximum permeability of 1 x 10-9 m/sec (confirmed by laboratory testing); 2. Complies with the general requirements of the Specification for Highway Works (SHW) 600 series. Specific requirements are given below; 3. Minimum undrained shear strength of 50kPa; 4. Natural moisture content NMC > PL-4 (Class 2A wet cohesive) or NMC < PL -4 (Class 2B dry cohesive) where PL = plastic limit, as per Table 6/1 for General Fill Class 2A and 2B; 5. Sulphate content to be within the following upper limits when tested in accordance with TRL Report 447 either: (a) the water-soluble sulfate (WS) content does not exceed 300 mg of sulphate (as SO4) per litre (Test No.1); and (b) the oxidisable sulphides (OS) content does not exceed 0.06 % of sulphate (as SO4) (Test Nos. 2 and 4). In order to be invited to tender for this requirement, please respond via ProContract by 12 noon on the 28th August 2015. Read full description ## CPV classification Clay Source Contracts Finder (UK) [View official notice](https://www.contractsfinder.service.gov.uk/notice/aea5ab81-adc8-11e6-9901-0019b9f3037b) Never miss a tender like this again Get AI summaries, deadline alerts and a bid pipeline for tenders matched to your business. Free to start. [Track tenders free](https://tendernation.io/register) [Buyer profile Environment Agency: past awards and live tenders](https://tendernation.io/buyers/environment-agency) [Sector More Mining & quarrying products tenders](https://tendernation.io/sectors/mining-quarrying-products) ## More tenders like this [Gravel, sand, crushed stone and aggregates – Contratación del Suministro de Aridos para Las Obras de Reparación de Daños Causados a Las Infraestructuras de Saneamiento y Abastecimiento del Municipio de Mira · Empresa de Transformación Agraria S.A.,S.M.E., M.P., (TRAGSA) · 15 days left · 3 Nov 2026](https://tendernation.io/opportunities/01a156a9-8934-71d6-ae1a-e43a74df4d7d/spain-gravel-sand-crushed-stone-and-aggregates-contratacion-del-suministro) [Gravel, sand, crushed stone and aggregates – Framework agreement for crushed stone, gravel and other rock masses · Karmøy Kommune · 1 day left · 20 Oct 2026](https://tendernation.io/opportunities/01a156aa-0ecf-7098-a3c6-48488c95e962/norway-gravel-sand-crushed-stone-and-aggregates-framework-agreement-for-cr) [12\_27 Building Supplies · ESPO · 65 days left · 23 Dec 2026](https://tendernation.io/opportunities/01a157e5-4600-7363-8305-3627336e8b24/12-27-building-supplies) [Sand – „Доставка на пясък за дейността на ОП „Чистота“, гр. Кюстендил“ · ОБЩИНА КЮСТЕНДИЛ · 28 days left · 16 Nov 2026](https://tendernation.io/opportunities/01a15183-1041-733f-bb6a-cc0274c68d50/bulgaria-sand-dostavka-na-piasiek-za-deinostta-na-op-cistota-gr-kiustendil) [Gravel, sand, crushed stone and aggregates – Ramavtal - Leveranser av bergkross och transporter av schaktmassor · Orust kommun · 28 days left · 16 Nov 2026](https://tendernation.io/opportunities/01a15183-9686-700d-97f1-a0a359ca10c1/sweden-gravel-sand-crushed-stone-and-aggregates-ramavtal-leveranser-av-b) [Gravel, sand, crushed stone and aggregates – Bergkrossmaterial 2026 · Östersunds kommun · 7 days left · 26 Oct 2026](https://tendernation.io/opportunities/01a15183-766f-73fa-b659-c28ead5dcdcd/sweden-gravel-sand-crushed-stone-and-aggregates-bergkrossmaterial-2026)