Section 281.824. Specifications; bridge and culvert projects.  


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  • (1) The department of transportation standard  specifications (1970 or later editions)  listed  in  this  rule   are  necessary  for  the protection of natural resources. These  specifications   are  intended  to cover all construction and related work as it  affects natural resources found in and adjacent to work areas.

    (2)  General coverage in proposal or specifications as follows:

    (a)  Protection and restoration of property......Sec. 1.07.07 Std. Specs. (b) Forest protection...........................Sec. 1.07.13 Specs.

    (c) Control of water pollution and siltation....Sec. 1.07.14 Specs. (d) Borrow areas................................Sec. 2.08.01 Std. Specs.

    (e)  Borrow area restoration.....................Supp. Specs.

    (f) Channel excavation..........................Sec. 2.09.05 Std. Specs.

    (3)      The following are additional department of transportation standard specifications covering measures for prevention of erosion and siltation:

    (a) Topsoil surface.............................Sec. 6.53 Std. Specs.

    (b) Mulching....................................Sec. 6.54 Std. Specs.

    (c) Seeding.....................................Sec. 6.52 Std. Specs.

    (d) Fertilizing.................................Sec. 6.52 Std. Specs.

    (e) Riprap (plain-heavy)........................Sec. 6.01 Std. Specs.

    (f)  Cobble gutter (plain-grouted)...............Sec. 6.03 Std. Specs. (g) Slope planting..............................Sec. 6.55 Std. Specs.

    (h) Dune grass planting.........................Sec. 6.56 Std. Specs.

    (i) Sodding.....................................Sec. 6.51 Std. Specs.

    (j) Slope protection............................Sec. 6.01 Std. Specs.

    (k) Crushed limestone surface...................Supp. Specs. (l) Paved ditches...............................Supp. Specs.

    (m) Rye seeding.................................Sec. 6.52 & Supp. Specs.

    (4)   The state highway design office has information for the design engineer on control of erosion through sodding; water control by catch basins, downspouts, concrete shoulders, and spillways; borrow restoration,   particularly  adjacent  to highway limits;  and  seeding,  mulching,  and plantings. The following standard plans are available:

    (a) Special outlet headwalls, etc.................E-4-A-9F. (b) Sodding, etc..................................E-4-A-10D.

    (c) Paved ditches, etc............................E-4-A-110C.

    (d) Shoulder gutter and spillway..................E-4-A-128.

History: 1979 AC; 1982 AACS.