... the pipe except removals listed separately; furnishing and placing granular or concrete bedding and granular backfill as ... shall be provided at no additional cost to the Department ...
...at least 4 inches above top of pipe barrel. Backfill is compacted to a specified density.....bell and filled to pipe grade with native granular material in such a manner that ...
MATERIALS 701-2.1 Materials shall meet the requirements shown on the plans and specified below. 701-2.2 PIPE. ... DRAINAGE Item D-701 Pipe for Storm Drains ... concrete sand or granular ...