This bid is for bioreactor and saturated buffer installation at multiple sites in Wright County, Iowa.
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What the job is
Structures: Install 4 denitrifying bioreactors and 7 saturated buffers, including water control and outlet structures.
Earthwork: Approximately 558 CY of excavation and 485 CY of earthfill, including grading and site restoration.
Media: Deliver and place approximately 532 CY of qualifying wood chips, 373 SY of Class II nonwoven geotextile, and 606 SY of 4-mil black plastic.
Drainage: Install approximately 9,326 LF of 6-inch perforated tile, 1,242 LF of 6- to 12-inch non-perforated tile, associated fittings, and corrugated metal outlets with animal guards.
Additional Work: Tile investigation, mobilization, seeding and mulching of approximately 2 acres, and removal and reinstallation of one existing water control structure.
Completion: All work, including seeding, must be completed by June 1, 2027.
XL Eagle