(A) Construction. Specifications shall be in keeping with the proceeding standards and shall describe the requirements for proper installation of the project to achieve its intended purpose.
(B) Materials.
(1) Materials acceptable for use as channel lining are:
(a) Grass.
(b) Revetment riprap.
(c) Concrete.
(d) Hand laid riprap.
(e) Precast cement concrete riprap.
(f) Grouted riprap.
(g) Gabions.
(2) Other lining materials may be used with prior approval of the Council. Materials shall comply with the latest edition of the Illinois Department of Transportation’s “Standard Specifications for Road and Bridge Construction”.
(Prior Code, Art. 20, § 20-14)