BN2 SU-CQ Replacement_Contract Drawings final.pdf

This federal contract opportunity solicitation seeks replacement of the SU and CQ feederboards at Bonneville Lock and Dam Powerhouse II. The U.S. Army Corps of Engineers Engineering District Portland is soliciting proposals to replace the original 480V panels at Powerhouse II, which are no longer being manufactured and are rated as marginally conditioned. Bonneville Dam is located 40 miles east of Portland, Oregon on the Columbia River and includes two powerhouses, Powerhouse 1 and Powerhouse 2, with a combined capacity of over 1,100 MW, in addition to spillway and navigation lock facilities. The replacement work is needed for the SU and CQ panels at Powerhouse II, which were not included in recent station service work.