Administrative Rules of Montana › Department 36 - NATURAL RESOURCES AND CONSERVATION › Chapter 36.14 - DAM SAFETY › Subchapter 36.14.3 - Construction Application and Permit › Rule 36.14.304 - NEW CONSTRUCTION - CONSTRUCTION PLANS

Current through Register Vol. 13, July 5, 2024
(1) The construction permit application for
				the construction of a new dam must be made on plan sheets no larger than 24 x
				36 inches or smaller than 21 x 30 inches. Construction details on the plans
				should be sufficiently complete to accurately lay out the structure and build
				it.
(2) The plans must be detailed
				illustrations that include as a minimum the following:
(a) a cover sheet indicating the name of the
				project, index of drawings, designated access to the project, and the location
				with respect to highways, roads, and streams;
(b) certifications by the engineer and the
				owner must be placed on the title sheet (first sheet) of the drawings. The
				certifications must be similar to those presented in examples 1 and 2.
(i) EXAMPLE 1
Certification by Engineer
I hereby certify that these plans for the (insert the correct
				  word or words choosing from: construction of the; repair of the; enlargement of
				  the; alteration of the; or removal of the)_________________Dam were
Name of Dam
prepared by me (or under my direct supervision) for the
				  owners thereof.
( ENGINEER'S) _________________
( ) Firm Name
( SEAL) _________________
( ) Engineer
(ii) EXAMPLE 2
Certification by Owner
I, _________________, owner, whose
Name of Owner
Post Office Address is, _________________,
Owner's Address,
Zip _________________, do hereby accept and approve these
				  plans and will cause the dam to be constructed pursuant to these plans and
				  specifications and any authorized changes.
_________________
Owner
(c) site maps that include but are not
				limited to:
(i) plan view of site including
				embankment, and emergency spillway;
(ii) topography of structure site including
				all topographic features;
(iii)
				land ownership;
(iv) base
				lines;
(v) center line of
				embankment and emergency spillway;
(vi) property lines and fence
				lines;
(vii) construction
				limits;
(viii) utility lines and
				pipelines;
(ix) roads, highways,
				and railroads (with names) ;
(x)
				bench marks to mean sea level;
(xi)
				borrow areas and waste areas;
(xii)
				clearing and grubbing areas;
(xiii)
				waterways, diversions, and channel improvements;
(xiv) wells;
(xv) fence removal and
				construction;
(xvi) scale and north
				arrow;
(xvii) location of springs,
				seeps, underground mines, mine drainage and openings, the sub drain system;
				and
(xviii) project stationing,
				cross-sections, borings and test pits, instrumentation, reference points and
				other pertinent data shall be included;
(d) a profile along the dam axis and borrow
				area showing the locations, elevations, and depths of borings or test pits,
				including logs of bore hole(s) and test pits;
(e) a maximum cross-section of the dam
				showing elevation and width of crest, slopes of upstream and downstream faces,
				thickness of riprap, zoning of earth embankment, location of internal drains
				and filters, core trenches, elevation size and type of outlet conduit, valves,
				operating mechanism, and dimensions of all other essential structural
				elements;
(f) details of the outlet
				works. This should include the intake structure, the gate system, drawings that
				show conduit details, the trash rack, and the downstream outlet
				structure;
(g) plan, profile, and
				control section of all the spillways, including details of any concrete work,
				complex control structures, concrete chutes, or energy dissipating
				devices;
(h) drawings showing sub
				drains, anti-seep mechanisms, and other pertinent structures;
(i) foundation plan showing limits of
				excavation, construction keying the dam to the foundation and the abutments,
				and construction to control seepage:
(j) details of diversion scheme if
				applicable;
(k) location and types
				of instrumentation of drainage and/or seepage control facilities; and
(l) other drawings, schedules, and notes
				required for construction and technical review of appurtenant
				structures.