Complete plans and profiles, signed and approved by a registered professional engineer, shall be made for all new streets and other improvements to be constructed in any subdivision subject to these regulations, and shall be filed with the City Engineer prior to approval of the final plat.
The plan and profile shall be on twenty-four by thirty-six (24 x 36) inch plan and profile sheets and shall show all necessary data in sufficient detail for the complete construction of all work and improvements to be made in the plat. All elevations shall be based on U.S.G.S. datum.
(a) More specifically, all profiles shall show at least the following:
(1) A centerline of proposed streets or roads.
(2) Existing roadways or streets extended a sufficient distance beyond the plat boundary to determine suitable grades for proposed pavement.
(3) Storm and sanitary sewer lines.
(4) Invert elevations of all pipe at manholes, headwalls, junction boxes, etc.
(5) Rim elevations of manholes.
(6) Length of storm and sanitary sewer spans, and types and sizes of pipe.
(b) All plans shall show at least the following:
(1) Lot grading details and existing contour lines at five-foot intervals where slopes exceed fifteen percent and at two-foot intervals where the slope is less than or equal to fifteen percent.
(2) Existing pavements, headwalls and other structures.
(3) Construction notes.
(4) Structural details.
(5) North arrow.
(6) Centerline stations.
(7) Easements for utilities and storm drainage.
(8) Pavement and right-of-way widths.
(9) Lot numbers and dimensions.
(10) Curve data.
(11) Location and/or statement of adequate storm sewer outlet.
(12) Storm sewers, manholes, laterals, catch basins, headwalls, etc.
(13) Length of storm and sanitary sewers, spans and types and sizes of pipe.
(c) All plans for subdivisions located in the special flood hazard area as defined in Section 1361.04 shall:
(1) Be consistent with the need to minimize flood damage.
(2) Have public utilities and facilities such as sewer, gas, electrical and water systems located and constructed to minimize flood damage.
(3) Have adequate drainage provided to reduce exposure to flood damage.
(d) Base flood elevation data shall be provided for subdivision proposals and other proposed development which contain at least fifty lots or five acres, whichever is less, within the special flood hazard area as defined in Section 1361.04.
(Ord. 54-80. Passed 10-20-80.)