A.
The hardened surface shall not be disturbed except for a small opening over the main for tapping purposes. The service shall be driven or jacked under the hardened surface. An open cut for the above opening will be allowed under the following conditions: in the surfaced area all trenches shall be cut in straight lines using a concrete saw or other accepted methods equipped to cut the full-depth surfacing. The excavation shall only be between those lines. The cutting operation shall not be done with a backhoe, gradall or any type of ripping equipment. The backfill shall be made in six-inch layers and mechanically compacted to the elevation of the adjoining subgrade, then gravel shall be placed and compacted to within 11/2 inches of the finished grade. The last 11/2 inches shall be made with bituminous concrete to form a temporary patch. The temporary patch shall remain in place for at least 60 days unless directed otherwise by the Highway Surveyor. For the permanent patch, the material shall be excavated to a depth of four inches of finished grade. The last four inches shall be surfaced with bituminous concrete Type 1, compacted on two lifts, consisting of 21/2 inches of binder and 11/2 inches of top to meet the existing pavement surface. These standards are subject to increase if pavement thickness warrants.
B.
Compaction, shall be to ninety-five-percent relative density. Compaction testing may be required.
C.
Appropriate warning tape shall be placed in backfill for trenches.
D.
If necessary, and directed by the Highway Surveyor, the surface of the patch will be sealed by use of approved infrared treatment and addition or removal of bituminous concrete to make the patch conform to the surrounding area.
E.
If it becomes necessary to open the roadway surface, then the grantee shall apply for an additional permit to cover this project.
F.
The grantee shall then pave five feet full width each side of the trench with 11/2 Type 1 Mix.