Multnomah Falls Viaducts Repair

Invitation for Bid (IFB) for project, OR FLAP DOT CRGNSA 100(8), Multnomah Falls Viaducts Repair. The IFB, Plans, Physical Data, and the Construction Contract Administration Document per FAR 36.211 are posted under attachments. Note: Physical data files OR FLAP DOT 100(8)_MultFalls_ConstCL.xml and OR FLAP DOT CRGNSA 100(8)_control-sheet-english.xlsm are located under Attachments in the zip folder Physical Data.zip ESTIMATED PRICE RANGE. The price range of the project work is between $5,000,000 and $7,000,000. GENERAL AND TECHNICAL QUESTIONS REGARDING PROPOSED WORK FOR THIS PROJECT WILL BE ACCEPTED UNTIL CLOSE-OF-BUSINESS ON 09/28/2023. The viaducts were constructed in 1916 along the lower portion of a steep, north-facing slope adjacent to the Union Pacific Railroad. During our ground-level reconnaissance completed as part of our 2014 work, we observed numerous spread footings, primarily under the East Viaduct, which were undermined; short retaining walls along the base of the slope under the East Viaduct in poor condition or partially collapsed; and an outward lean of the dry, stacked rockery wall at the west end of the East Viaduct along the north side of the road. As part of the project, we understand bearings will be restored beneath 23 spread footings under the East Viaduct and four footings under the West Viaduct and keyed riprap slope stabilization will be placed under the East and *The value for this project is based on a financial range. The value is listed as the highest possible cost from the range provided by a stakeholder or official project document.

Division 32 -	Exterior Improvements, Operation and Maintenance of Exterior Improvements.
Division 34 -	Transportation, Operation and Maintenance of Transportation.