Rev. 11-1-92

DRAINAGE STRUCTURES

720-T-021

Construction of all new inlets involving existing structures shall be accomplished such that the existing pipe structure shall not be damaged.

All existing median structures and median areas within the project limits shall be cleaned of all silt and other foreign matter.

Where a new casting is to be fitted to an existing catch basin or an existing casting is to be fitted to a new inlet, all dimensions and conditions shall be checked in the field. The Contractor shall assume responsibility for their correctness and fit.

The costs of the removal of headwalls and cleanup of the existing pipe shall be included in the costs of the pay items for the new drainage structures.

All existing structures damaged during construction shall be replaced with no additional payment.