704Reconstruct Drainage Structures

704.01 Description.

This work includes reconstructing existing drainage structures to the required dimensions and details. Reconstruction is defined as follows — T he change in vertical elevation of the drainage appurtenance is greater than 6 in. and/or the change in horizontal location is greater than 6 in. See Subsection 707.01 for the definition of adjusting drainage structures.

704.02 Materials.

Provide materials used in reconstructing existing drainage structures that conform to Subsection 702.02.1.

704.03 Construction Methods.

Thoroughly clean the drainage structures, remove and stockpile on site the cast iron frames and covers (or grates) for subsequent reuse. Remove the tops of the structure immediately below the castings and a portion of the vertical walls to a sufficient depth to make the transition to the required lines, grades, and dimensions. Do not disturb the surrounding area and those portions of the existing structure that will remain. For construction methods to be employed, conform to Subsection 702.03.1.

704.04 Method of Measurement.

Reconstruct Drainage Structure will be measured by the number of tops of units reconstructed.

704.05 Basis of Payment.

The Department will pay for the completed and accepted quantities as follows. Pay Item Pay Unit Reconstruct Drainage Structure EA The Contract price constitute s full compensation for all labor, materials , and equipment for reconstructing drainage structures including removing, stockpiling, and resetting castings, excavation and backfill, examining and cleaning the existing basin before and after reconstruction, the disposal of all surplus excavated and/or unsuitable materials, and all incidentals required to finish the work.

Part 700 — Drainage and Selected Utility Accessories August 2025

SECTION 705 700-21 This Section has been Reserved for Future Use.