20191745 Ver 1_Stream Channel Relocation Limitations_20191220

STREAM CHANNEL RELOCATION LIMITATIONS:
The following sequence of construction shall be followed in the areas designated on the plans as
stream relocations. Failure on the part of the Contractor to follow this sequence, and complete
each step prior to proceeding in this area as specified, will be just cause for the Engineer to direct
the suspension of work in accordance with Article 108-7 of the Standard Specifications.
(A) Clear, but do not grub area within the Environmentally Sensitive Area on the existing
stream to be relocated.
(B) Construct and stabilize, with vegetation or erosion control materials sufficient to restrain
erosion, the proposed stream channel relocation as shown on the plans.
(C) Divert water into newly constructed channel only after it has been stabilized and approved.
(D) Begin grubbing and/or grading within the Environmentally Sensitive Area of the existing
stream.
The Contractor shall perform seeding and mulching and install erosion control matting to all
cut/fill slopes adjacent to stream relocations in accordance with the contract.
The above requirements apply to the stream channels being constructed at the following stations:
Approx. Sta. -Y- 12+25 to 13+25