CHAPTER 3: UNDERGROUND UTILITIES

Section

   9-3-1   Purpose and scope

   9-3-2   Type of pipes and lines

   9-3-3   Installations

   9-3-4   Pavement repairs

   9-3-5   Town work

   9-3-6   Certificate of compliance

   9-3-7   Responsibility for costs

   9-3-8   Figure; underground utilities installation

§ 9-3-1 PURPOSE AND SCOPE.

   The purpose of this chapter is to define the minimum standards for underground utility installations and/or repairs for water mains and water services, sewer mains and sewer services, storm sewers, telephone, cable, and electrical lines and oil and gas mains, including pipe installation, backfill and compaction, and pavement repairs within the town owned rights-of-way.

(Prior Code, § 9-3-1)

§ 9-3-2 TYPE OF PIPES AND LINES.

   (A)   Water mains.

      (1)   Water mains shall be a minimum of six-inch PVC SDR 18, AWWA C900, with integral bell and spigot or dual gasketed collar joints. The ultimate water main size shall be determined by the Town Council on its engineer’s recommendation and/or its water system master plan.

      (2)   Fittings for water main installations shall be mechanical joint or push on joint, class 150 ductile iron or cast iron. Water main valves shall be cast iron resilient seat type gate valves with mechanical joints and adjustment cast iron valve boxes. The minimum cover is five feet, zero inches.

   (B)   Water services. Water services shall be a minimum of three-fourths-inch type K copper. Corporations and curb stops shall be brass, meeting the latest revision of AWWA standards. Tapping saddles shall be dual strapped bronze with rubber seal. The minimum cover is five feet, zero inches.

   (C)   Sewer mains. Sewer mains shall be minimum eight-inch PVC DR 35, ASTM designation D3034 with integral bell and spigot joints, or as required by the town’s engineer and/or superintendent. The minimum slope is one-fourth inch per foot.

   (D)   Sewer services. Sewer services shall be a minimum four inch DR 35, ASTM designation D3034 with integral bell and spigot joints. The minimum slope is one-fourth inch per foot.

   (E)   Abandonment of sewer laterals. At such time as any sewer lateral to any property within the town is abandoned, the lateral must be capped off at the main sewer line, and any capping, including street cuts, shall be at the sole expense of the landowner for whose benefit the work is performed. The capping shall be in compliance with any and all other town ordinances.

   (F)   Storm sewers. Storm sewers shall be a minimum class III reinforced concrete pipe sized and sloped per the Town Engineer’s recommendations.

   (G)   Telephone, cable, and electrical lines. Telephone, cable, and electrical lines shall be suitable for underground installation per the State Electric Code. The minimum cover is 36 inches.

   (H)   Oil and gas mains. Oil and gas mains shall be suitable for underground installation per the State Oil and Gas Commission standards. The minimum cover is 36 inches.

(Prior Code, § 9-3-2)

§ 9-3-3 INSTALLATIONS.

   (A)   Governing standards. Should the requirements of this chapter not cover the specific variables of a given installation, the latest edition of the State Public Works Standard Specifications shall govern.

   (B)   Pipelines.

      (1)   Installation of underground pipelines shall be per the specific manufacturer’s recommendations, OSHA requirements, and in accordance with the figure in § 9-3-8, when open trenching is allowed.

      (2)   All pipelines shall be bored and cased under existing paved streets, unless permission to open cut is given by the town Mayor. Bore casing ends shall be plugged with grout.

(Prior Code, § 9-3-3)

§ 9-3-4 PAVEMENT REPAIRS.

   Where the town Mayor has given permission for open cut utility installations in existing paved streets or a paved street requires repair, the following minimum standards shall apply for pavement repair.

   (A)   Subgrade shall be compacted to 95% standard proctor density at within 5% optimum moisture.

   (B)   Adjacent concrete pavement shall be saw cut a depth of two inches true to line, squared, and removed with a jackhammer.

   (C)   Adjacent asphalt pavement shall be saw cut or jackhammered within an asphalt chisel true to line, squared, and removed with a jackhammer.

   (D)   Subgrade shall be uniform depth from edge to edge.

   (E)   Concrete thickness, compressive strength, finish, jointing, and curing shall be per figure in § 9-3-8.

(Prior Code, § 9-3-4)

§ 9-3-5 TOWN WORK.

   Town employees are hereby authorized to perform all work required under the terms of this chapter, but such work shall be at the discretion of the Town Maintenance Department and shall not interfere with other duties. In the event town employees perform such services, the landowner for whose benefit the work is performed shall pay to the town an hourly charge for its employees, determined by the town, such equipment charges as the town may impose, and all material and other costs to the town.

(Prior Code, § 9-3-5)

§ 9-3-6 CERTIFICATE OF COMPLIANCE.

   The landowner for whose benefit work is performed under the terms of this chapter shall obtain a certificate either from the Town Building Inspector or a licensed civil engineer certifying compliance with the term of this chapter.

(Prior Code, § 9-3-6)