The U.S. Army Corps of Engineers (USACE) Detroit District is seeking a contractor for a Firm-Fixed-Price environmental services contract for the Tar Lake Superfund project in Mancelona Township, Michigan. The project involves excavating approximately 172,500 tons of contaminated soil, backfilling with clean imported soils, installing new biosparge wells, and constructing an approximately 160-square-foot pre-engineered structure to house biosparge system compressors. Ancillary work includes abandoning existing groundwater monitoring wells, installing new monitoring wells, erosion control measures, a utility survey to locate existing bio-sparge system piping, confirmation soil sampling, and site restoration. Amendments have updated the specifications, scoping statement, and wage determinations, and changed CLIN 0007 from Environmental Remediation Services to Construction.

The U.S. Army Corps of Engineers, Detroit District, seeks a contractor for a firm-fixed-price environmental services contract for the Tar Lake Superfund project in Mancelona Township, Michigan. The work includes excavating approximately 172,500 tons of contaminated soil, backfilling with clean imported soils, expanding the bio-sparge system, installing new biosparge wells, and building an approximately 160-square-foot pre-engineered structure to house the biosparge system compressors. Ancillary activities include abandoning existing groundwater monitoring wells, installing new monitoring wells, erosion control, utility surveys to locate existing bio-sparge piping, confirmation soil sampling, and site restoration. Amendment 0003 responds to bidder inquiries, provides existing Biosparge System Design Details, and updates specifications; Amendment 0002 responds to additional inquiries and replaces Davis-Bacon wage determinations. Amendment 0001 updates specifications, scoping statement, changes CLIN 0007 from Environmental Remediation Services to Construction, and updates wage determinations, with all other terms unchanged.

USACE Detroit District seeks a contractor for a firm-fixed-price environmental services contract for the Tar Lake Superfund project in Mancelona Township, Michigan. Work includes excavating approximately 172,500 tons of contaminated soil, backfilling with clean imported soils, installing new biosparge wells, and constructing an approximately 160-square-foot pre-engineered structure to house biosparge system compressors. Ancillary activities include abandoning and installing groundwater monitoring wells, erosion control, utility survey for existing bio-sparge piping, confirmation soil sampling, and site restoration. Amendment 0001 updated specifications, bid schedule, scoping statement, and wage determinations, and changed CLIN 0007 from Environmental Remediation Services to Construction. Amendment 0002 replaced Davis-Bacon wage determinations MI20260157 and MI20260158 with MI20260043, with all other terms unchanged.

The U.S. Army Corps of Engineers Detroit District seeks a contractor for a Firm-Fixed Price environmental services contract at the Tar Lake Superfund Site in Mancelona Township, Michigan. Work includes excavating approximately 172,500 tons of contaminated soil, backfilling with clean imported soils, and expanding the existing bio-sparge system. The project also involves installing new groundwater monitoring wells, abandoning existing wells, installing erosion controls, conducting utility surveys and soil sampling, and site restoration. A small pre-engineered structure will be built to house the biosparge system compressors. Amendment 0001 updates specifications, bid schedule, and wage determinations, and reclassifies one contract line item from environmental remediation to construction.

The U.S. Army Corps of Engineers (USACE) Detroit District is seeking a contractor for a Firm-Fixed Price environmental services contract. The work will take place at the Tar Lake Superfund Site in Mancelona Township, Michigan. The project entails excavating approximately 172,500 tons of contaminated soil, backfilling with clean imported soils, installing new biosparge wells, and constructing a roughly 160 square foot pre-engineered structure to house the biosparge system compressors. Ancillary activities include abandoning existing groundwater monitoring wells, installing new monitoring wells, implementing erosion control measures, conducting a utility survey, performing confirmation soil sampling, and completing site restoration.