US Army Corps of Engineers Request for Proposals W912DW24R0004 - Howard A. Hanson Dam Additional Water Storage Project - Fish Passage Facility. Please refer to the attached solicitation documents, specifications, and attachments for all details. Documents included with this announcement: W912DW24R0004 RFP - Howard A. Hanson Dam Additional Water Storage Project- Fish Passage Facility; HAHD AWSP FPF RFP Package Outline; Attachment 1 - Schedule as of Solicitation; Attachment 2 - Plan Sheet List; Attachment 3 - Concept Drawings; Attachment 4 - 35pct DDR ? FIO; Attachment 5 - Construction Spec TOC; Attachment 6 - Draft Div01 Specifications; Attachment 7 - GBR,GDR,GIR; Attachment 8 - USFWS_2022_BIOP; Attachment 9 - NMFS 2019 BIOP; Attachment 10 - 401 Cert; Attachment 11 - Exist Bulkhead Inspect Report; and Attachment 12 - Bulkhead Inspection SOW. Amendments R0001, R0002, R0003, R0004, R0005, R0006, R0007, and R0008 have been issued and uploaded to PIEE and SAM.gov.