Des Moines Water Works - IA
2025 Treatment Basin Rechaining Project ( Phase 2 of 3- Year Project) - AMMENDMENT 1
furnishing equipment 2025 treatment basin rechaining project phase 2 of 3year project quantity item description primary drive sprocket sectional rim sprocket, with hub, for h124 mill chain. sprocket to be 24 4 each for longitudinal tooth, **** pitch diameter, three sections, heattreated. hub to be split with collector **** bore and fitted with 78 keyway. secondary drive split sprocket, with hub, for wh730 chain. sprocket to be 10tooth, **** 8 each sprocket for pitch diameter, two sections, heattreated. bore **** with 78 longitudinal collector keyway with 58 set screw. split sprocket, with hub, for wh730 chain. sprocket to be 10tooth, **** idler sprocket for 16 each pitch diameter, two sections, heattreated. bronze bushing with **** bore. stationary shaft no keyway. zincplated, alloy steel, grade 8 hex head cap screws conforming to ansi **** materials for zincplated steel, grade 8, hex nuts conforming to ansi **** required sprockets 316 stainless steel splitlock w
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