(a) To a depth of twelve inches above the top of the pipe, the backfill shall be composed of select material, free from large stone (one-inch maximum size allowed) and frozen material, deposited manually and thoroughly tamped.
(1) Above this point, special backfill shall be used under all streets, alleys, curbs and gutters, sidewalks, driveways, roadways, parking areas and as ordered.
(2) Wet granule special backfill shall be placed in six- inch layers loose measure, then thoroughly consolidated by tamping, rolling, watering or other methods approved by the Director of Public Service.
(3) Special backfill shall be crushed stone, of a size gradation meeting Ohio Department of Transportation Specification 310; approved bank run sand and gravel; or other approved material.
(4) Pea gravel or No. 9 stone is not permitted.
(b) The backfill of trenches in locations other than streets, roadways, alleys, curbs and gutters, sidewalks, driveways, parking areas, etc. shall be compacted to a density not less than that of the surrounding ground, unless otherwise specified. No material shall be used for backfilling that contains stones, rocks, pieces of masonry, pavement, etc. greater than twelve inches in diameter, frozen earth, debris or earth with an exceptionally high void content.
(c) All trenches and excavations shall be backfilled immediately after pipes are laid therein. Under no circumstances shall water be permitted to rise in unbackfilled trenches after pipes have been placed.
(d) Immediately after placement of backfill in existing streets, temporary pavement shall be installed, and the street opened.
(1) Temporary pavement shall consist of nine inches of compacted Ohio Department of Transportation Specification 304 base and a surface course of Ohio Department of Transportation Specification 405 or 409.
(2) The surface shall be kept flush with the existing street.
(e) Any settlement of a trench causing depressions shall be refilled as required by the Director of Public Service. This provision applies for a one-year period after work is accepted by the Municipality.
(f) All temporary pavement and sidewalks shall be maintained by the contractor or the developer, at his or her own expense, in a suitable and safe condition for traffic until permanent replacement is made or until the project is finally accepted by the Municipality.
(Ord. 21-78. Passed 6-27-78; Ord. 2022-15. Passed 5-16-22.)