Coffer Dam Materials - Lac Qui Parle Dam

The U.S. Army Corps of Engineers requires materials to build an earthen coffer dam at the Lac Qui Parle Dam, near Watson, Minnesota. An earthen coffer dam is being constructed by Government Construction Forces (GCF). The contractor will deliver the required materials to the project site, dumping where directed. GCF will move and place the material. This contract will require delivery delivery of large quantities of materials. All quantities are estimated. Aggregate Backfill Material 26,000 Ton Impervious Backfill Material 2,950 Ton No. 4 Railroad Ballast 100 Ton Class 5 Aggregate 285 Ton Topsoil 1,500 Ton R20 Riprap (Option) 150 Ton R45 Riprap (Option) 150 Ton R80 Riprap (Option) 150 Ton Emergency Aggregate Backfill (Option) 800 Ton Material deliveries will begin with 15 days advance notice. It is anticipated the deliveries will begin between September 1 - 15. Deliveries will be made between the hours of 7:00 a.m. and 5:00 p.m. on consecutive days, including weekends and holidays until the construction of the dam is complete. Required delivery rates (minimum and maximum quantities per day) are indicated for each material.