(A) Generally. All excavations shall be back-filled in accordance with the following procedures.
(B) Procedures.
(1) No extremely wet or muddy back-fill material shall be used. If these conditions exist, gravel shall be used.
(2) Back-fill material will be returned to excavation in not more than 12-inch layers and each layer compacted by hand tamp, pneumatic tamper, or similar device before the next layer is added.
(3) The water-jet method of tunneling may be used under a sidewalk, curb, gutter, or other place of tunneling.
(4) Excavation shall be back-filled to a point two inches above the existing street level.
(5) The Utilities Superintendent shall be notified by the contractor before back-filling is started and he or she shall be responsible for the execution of these regulations.
(a) The Superintendent shall inspect back-filling during and at the finish of back-fill with a probe rod or any compaction indicator at his or her disposal.
(b) The Superintendent shall have the right to order reexcavation and refill if compaction does not comply with these regulations.
(6) The contractor shall maintain the two inches above street-level grade of excavation for a period of 30 days.
(Ord. 3-1969, passed 3-17-1969) Penalty, see § 111.99