(A) Engineering plans must be prepared for all required improvements to be installed by the subdivider. Before obtaining primary approval the subdivider, if he or she wishes to continue, shall submit ten copies of engineering plans and specifications prepared by a civil engineer registered in this state.
(B) Plans shall be drawn at a scale of no more than one inch equals 50 feet, and map sheets shall be of the same size as the primary plat and numbered sequentially. The following shall be shown:
(1) Plans and profiles showing the locations and typical cross-section of street pavements including curbs and gutters, sidewalks, drainage easements, servitudes, rights-of-way, manholes, and catch basins; the location of street signs; the location, size, and invert elevations of existing or proposed sanitary sewers, stormwater drains, water mains, valves, curb boxes, and fire hydrants, showing connections to any existing or proposed utility system; and the exact location and size of all other underground utilities or structures. Final street grades are required at this point. Soil borings and C.B.R.s are to be taken if required by the Town Engineer;
(2) All driveways and entrance culverts are to be shown;
(3) Storm drainage proposals, which shall include the location of all storm inlets, manholes, underground storm lines, and open channel flows; the type and sizing of all storm lines and open channels; the invert elevations at all junctions; a delineation of watershed areas which specify their acreage and a calculation of all surface water entering from adjacent lands onto the proposed subdivision; a computation sheet with the above information recorded thereon as required by the Town Engineer;
(4) A water management plan to include both disposition of surface drainage and, where needed, provision for subsurface drainage to drain high water table soils;
(5) An erosion and sediment control plan, to include both temporary and permanent erosion control measures where needed to stabilize on-site soils and prevent off-site pollution of waters and/or damage to land. This plan shall comply with 327 I.A.C. 5;
(6) Public utility locations;
(7) Contours at vertical intervals of not more than two feet with references to U.S.G.S. datum (five-foot intervals are acceptable for minor subdivisions);
(8) Any other special requirements which may be necessary for the Administrator and Commission to review;
(9) All specifications and references required by the town’s design standards, including a site grading plan for the entire subdivision;
(10) Reserved strips must not be retained between any proposed street and the lands of an adjacent owner;
(11) Title, name, address, stamp, and signature of registered engineer and date, including revision dates;
(12) Detailed Drainage Plan per § 155.112 of this code; and
(13) A drain-tile and/or subsurface drainage survey.
(Ord. 27, § 7.10.30, passed 4-16-1997; Am. Ord. 27-B, passed 12-8-2020)