Section 458-4-002 - Plans and Specifications002.01 An engineer shall prepare all plans and specifications assisted by qualified engineering geologist, geotechnical engineers, geologists, and other specialists as necessary. Plans and specifications submitted to the Department shall be as detailed as they would be for submission to contractors bidding on the work.002.02 Detailed specifications or references to standard specifications for both materials and construction aspects shall accompany the plans. The specifications shall be those currently acceptable and normally used by design and construction professionals. Material specifications are those specifications which will cover the materials proposed to be used. Construction specifications are those specifications describing how the work (construction, enlargement, reconstruction, alteration, abandonment, breach, or removal) is to be accomplished, the sequence of procedures to be followed, the limitations, and the desired results.002.03 Plans for construction, enlargement, reconstruction, alteration, abandonment, breach, or removal of a dam shall conform to the following: 002.03A Be made on sheets with minimum dimensions of 11 inches by 17 inches and maximum dimensions of 22 inches by 34 inches and shall have adequate margins on all sides.002.03B Be of such clarity and with distinct characters of such size as to retain clarity and resolution when reduced to 11 inches by 17 inches. Characters shall not be smaller than one-tenth inch on the 11 inches by 17 inches drawings and two-tenths inch on the 22 inches by 34 inches drawings.002.04 Plans shall include the following information: 002.04A A map showing the outside limits of the reservoir water line at maximum storage elevation and at normal storage elevation, the dam location, the government subdivisions in which the dam and reservoir are located including the quarter section, section, township, range, and county; the location and name of any and all streams which are the source of water or on which the dam is located and, if applicable, the location of any pump or diversion facility used to provide water to the reservoir.002.04B The latitude and longitude of the intersection of the dam centerline with the natural stream channel. Latitude and longitude must be referenced to the North American Datum of 1983.002.04C The course of the stream or watercourse and the drainage area boundary upstream from the proposed or existing dam.002.04D The area, time of concentration and runoff curve number of the drainage basin.002.04E The elevations, dimensions, materials, and maximum capacities of all spillways. Elevations shall be referenced to the North American Vertical Datum of 1988.002.04F All pertinent hydrologic and hydraulic data. For each design storm analyzed, indicate the following: 002.04F1 The design rainfall and runoff amount,002.04F2 The recurrence interval,002.04F3 The peak inflow into the reservoir,002.04F4 The maximum discharge from each spillway,002.04F5 The peak reservoir elevation and flow velocity in the auxiliary spillway, and002.04F6 The results of the auxiliary spillway stability analysis.002.04G A topographic map of the dam site and the return area to the natural channel from all conduits and spillway(s). The map must be derived from on site or photogrammetric survey and show 2-foot contour intervals or less.002.04H A topographic map of the reservoir within the reservoir area. The map must be derived from on site or photogrammetric survey and show 2-foot contour intervals or less.002.04I A table showing the reservoir surface area and incremental and cumulative reservoir storage at 2-foot elevation intervals and at the crest elevation of the drawdown, principal and auxiliary spillways, other outlets and the top of dam elevation.002.04J The cross sections listed below, with all elevations referred to in the cross sections referenced to the North American Vertical Datum of 1988 or an assumed benchmark. 002.04J1 The valley along the centerline of the dam showing the profile of the top of the dam and the original ground line;002.04J2 A maximum cross section perpendicular to the dam centerline and other cross-sections or views to clarify construction details;002.04J3 Other cross-sections, profiles or plan views showing the location and elevations of the drawdown works, spillways and other components.002.04K If there are multiple owners or there are easements appurtenant to the land where the dam and reservoir are located, a plan of survey showing the boundary line of each ownership and easement. The plan of survey shall include labels to indicate separate ownerships or easements. This drawing must agree with the information provided in the application described in Chapter 4.001.04 of these rules.002.04L The certificate of the engineer responsible for design of the facility. Examples of engineer's certificates are available on the Department's web site. The engineer's certificate shall include a designation of the hazard classification for the dam. The certificate shall be on the first sheet of the drawings.458 Neb. Admin. Code, ch. 4, § 002