Foster Spillway Gate Nut Replacement and Re-Tensioning

Replace quantity 192 custom made[S(1] castle nuts approximately two inch outside diameter by two inch long made from A564 UNS 17400 Type 630 Condition H1100 material (more commonly known as 17-4). Replace quantity 48 custom made U-bolts from 1-1/8-inch diameter rod bent to eighteen inches long with a six-inch radius made from A564 UNS 17400 Type 630 Condition H1100 material. Replace quantity eight custom U-bolt spacers approximately six inch outside diameter by twelve inch long made from self-lubricated composite material. Replace quantity eight gate connection pins approximately four-inch diameter by sixteen inch long made from A564 UNS 17400 Type 630 Condition H1100 material. Supply quantity one custom made installation tool approximately two inch outside diameter by ten inches long made