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.