Project Title: Barney Reservoir Dam Spillway Fence Replacement
Project #: 201905-10028
Issued by: City of Hillsboro view agency website
Publish Date: 5/15/2019
Due Date: 6/14/2019

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Description

The Barney Reservoir Joint Ownership Commission (BRJOC) seeks sealed bids from qualified firms able to provide all equipment, materials, and labor required to remove approximately 1,500 linear feet of chain link fence and fence posts embedded in the top of a concrete dam spillway structure, and replace approximately 1,500 linear feet (1,100 linear feet of 5-ft high fence and 400-ft of 7-ft high fence) of new galvanized chain link fence and posts at the Barney Reservoir Dam Spillway located off N Fork Trask Road, Yamhill, Oregon. Work to include the removal of existing fence posts where possible, removal of loose debris and water from existing fence post sockets, and backfill with epoxy resin mortar topped with an elastomeric polyurethane coating. Where fence post removal is infeasible, existing posts to be cut below top of wall, and the location backfilled with epoxy resin mortar and topped with an elastomeric polyurethane coating. New galvanized fence posts will require galvanized fence post mounting hardware (owner furnished) to be installed on the side of the concrete wall structure using 5/8” GR. 36 hot dip galvanized threaded rod, 6” embed, and epoxy adhesive, custom cut EPDM rubber gasket for each bracket plate (8” x 13”), and tamper resistant nuts for mounting the bracket plate and fastening the post to the bracket plate. Custom fence post mounting bracket plates will be supplied by the BRJOC. Additional work to include the installation of two, 4’-6” wide operator access gates and one double swing gate consisting of two, 8’-9” wide panels with galvanized steel lock protectors at each gate. Conventional fence post concrete embedment in dense gravel may be necessary in some instances, including operator access gates and the double swing gate located on the downstream spillway bridge. All fence demolition materials and waste to be collected and disposed off-site by contractor.  In addition to fence installation, minor concrete spall and crack repair will be required. Concrete spall repair (±9 SF) using a vertical repair mortar will be required on an elevated area approximately 15-ft above the bottom of a concrete spillway channel. Concrete crack repair using a high strength epoxy injection kit would be required at approximately 12 locations with both ground level and elevated areas 10 to 15-ft above the bottom of a concrete spillway channel.  

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