Description
The Iowa Department of Natural Resources is seeking bids for the Spring Branch 319 Project, Manchester Fisheries Management Unit, Delaware County. The project consists of clearing and grubbing along stream and east of existing structure, streambank reshaping and rock revetment, removal of existing ag fence and installing new ag fence, removing and installing new CMP, and grading for drainage. The contractor shall visit the site and inspect the project area and thoroughly familiarize themselves with the actual job conditions prior to bidding and start of work.
• The project requires the installation of stone toe protection along 315’ of the east streambank of Spring Branch Creek.
• The project requires the removal of eight standing “hazard trees” from around the “spring house” ranging in size from 10 – 34 inch DBH.
• The project requires the seeding and straw mulching of approximately 0.94 acres of disturbed area with native prairie seed and cover crop seed provided to the contractor by Iowa DNR.
• The project requires the grading of approximately 0.15-acre vegetative buffer including 0.08-acres excavation (cut) at 1’-1.5’ thickness (150 cubic yards) and 0.7 acres fill (+ 150 cubic yards).
• The project requires the replacement of 1’-diameter by 15’-long corrugated metal pipe at downstream end of vegetative buffer and replace with 2’-diameter by 15’ long corrugated metal pipe.