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(1) The construction permit application for construction of a new dam must contain construction and material specifications, including a detailed description of the work to be performed and a statement of the requirements for the permanent construction; for example, foundation preparation, placement of materials, and concrete quality control. Also, any special techniques should be carefully described.

(2) The specifications must include the following provisions:

(a) the technical provisions describing the method of construction and quality control for the project including, at a minimum, the following:

(i) clearing and grubbing and other site preparation;

(ii) foundation preparation and construction requirements;

(iii) spreading and compaction requirements to include lift thicknesses, moisture content, and degree of compaction with appropriate compaction curves, slopes, and grades;

(iv) material and gradation and construction requirements for filters and drains;

(v) material and installation requirements for pipes and fittings;

(vi) material and placement requirements for concrete;

(vii) installation of monitoring devices;

(viii) revegetation and permanent erosion control, including slope protection;

(ix) public safety;

(x) construction erosion and sediment control; and

(xi) material and installation requirements for equipment;

(b) general provisions that specify the rights, duties and responsibilities of the owner, engineer, builder, and the prescribed order of work;

(c) provisions for adequate observation and inspection by the engineer during construction;

(d) provisions that the plans and specifications must not be materially changed without prior written approval of the engineer;

(e) provisions that certain stages of construction must not proceed without the engineer's approval. Those stages requiring approval are:

(i) after clearing and excavation of foundation and prior to placing any fill material;

(ii) after installation of outlet conduit and before placing any backfill material around conduit;

(iii) after construction is completed and before any water is stored in reservoir; and

(iv) at such other times as determined necessary by the engineer;

(f) provisions that all materials and workmanship must be subject to inspection, examination, and test by the engineer at any and all times during manufacture or construction, and at any and all places where such manufacture or construction are carried on;

(g) provisions that allow the owner or engineer to reject defective material and workmanship and require its correction or replacement with proper material; and

(h) Provisions that the engineer may suspend any work that may be subject to damage by weather conditions.

History: 36.14.307 DAM SAFETy Sec. 85-15-110, MCA; IMP, Sec. 85-15-210, MCA; NEW, 1988 MAR p. 2489, Eff. 11/24/88.

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