Section 105 IAC 16-1-14 - Requirements for installation of vaultsAuthority: IC 8-23-2-6; IC 8-23-5-10
Affected: IC 8-23-5-10
Sec. 14.
(a) Vault materials shall be in accordance with INDOT Standard Specification 807.03* as effective September 1, 2019.(b) Vaults shall be installed in accordance with the approved permit plans and specifications. All vault covers are required to be bolted into place to prevent accidental removal by mowing crews or other unintentional means. The cover frame shall be installed in the vault with a butyl rubber sealant in tape or coil form for a proper seal and to prevent the frame from moving out of place. The sealant shall comply with ASTM C990 for butyl rubber sealants.(c) The vault rings and covers shall be as shown on the plans and in accordance with INDOT Standard Specifications 807.09* as effective September 1, 2019, except the message displayed on the lid shall read "INDOT F/O Conduit Bank". Fabrication of these vault covers shall not commence until working drawings that the contractor shall have submitted have been approved by the engineer.(d) Vaults shall be installed at all planned and potential future fiber optic cable splicing locations and at additional locations as shown on the plans.(e) Material surrounding the buried conduit splices and the vaults shall be tamped and added in such a manner so that there are no voids or depressions formed. Conduit entrance and exit points in the new vaults shall be sealed watertight.(f) The vaults shall be precast. The top of the vault shall be flat and level with the surrounding ground. The vault shall be placed such that final grading will provide a minimum of four (4) inches of soil over the concrete box.(g) Upon completion of installation, all disturbed portions of the construction area shall be cleaned, and any excess excavation or other materials shall be properly disposed of immediately. *INDOT 2020 Standard Specifications are hereby incorporated by reference. Copies of the 2020 Standard Specifications can be found at https://www.in.gov/dot or may be obtained at the Indiana Department of Transportation, 100 North Senate Avenue, Room N730, Indianapolis, Indiana 46204.
Indiana Department of Transportation; 105 IAC 16-1-14; emergency rule filed 12/16/2021, 12:43 p.m.: 20211222-IR-105210537ERA, eff Jan 1, 2022