(a) An approved sand shall be used around and to a depth of the top of all water lines. The entire trench shall be filled with the sand for a distance of six inches under the pipe to a plane equal to the top of the pipe.
(b) A layer of fine earth backfill shall be used between the sand layer mentioned above and a plane two feet above the top of the pipe.
(c) The regular excavated material may be used to fill the remaining trench depth provided that such backfill is free of slag, cinders, ashes, broken concrete, large stones or other objectionable materials.
(d) Backfilled areas shall be dressed and maintained in a level and smooth condition. All areas where settlement occurs subsequent to the initial backfill shall be promptly backfilled and redressed throughout the life of the contract.
(e) Frozen material shall never be used for backfilling nor shall any backfilling be placed on frozen material.
(f) Backfilling shall not be done in freezing weather without express permission of the Engineer.
(g) The backfill includes all backfilling, ramming, puddling or rolling, as required, the regrading of adjacent disturbed areas, the replacing of drains and other surface and subsurface structures, the placing and maintaining of temporary sidewalks and driveways, furnishing suitable backfill material, reseeding or sodding lawns and ditches, replacing trees and shrubbery damaged by the contractor and all appurtenant work incidental thereto.
(Ord. 352. Passed 10-22-62.)