Adjustable Length Pipes Clause Samples

Adjustable Length Pipes. (Elephant Trunks): 1. Use flexible pipes of ferrous metal, rubber or plastic, six inches minimum diameter so as to prevent segregation of concrete. 2. Position chutes or flexible pipes so that concrete is delivered in continuous flow to points not more than five feet horizontally and five feet vertically from final location. In vicinity of expansion and contraction joints, reduce horizontal distance to three feet maximum. 3. Clean flexible pipes and elephant trunks after each use.