(a) Drainage.
(1) The subdivider or developer shall provide the necessary means to assure complete drainage in and adjacent to his property.
(2) When necessary, outlet ditches or closed sewers of an approved type and size shall be required as part of the construction. If same is across private property, rights of way or easements shall be obtained by the subdivider or developer for the construction and future maintenance. These rights of way or easements shall be shown on the construction plans. Two copies of the above easement shall be furnished to the City Engineer.
(3) Any roadway ditch having a grade in excess of two percent (2%) shall have an approved type of gutter using concrete, stone, sod or underground drainage with sufficient inlets spaced at intervals so as to keep the volume of water at a low level.
(4) Where curb or curb and gutter type pavement is used, provisions shall be made for adequate storm drainage lines and inlets to insure proper drainage of the pavement.
(5) All circular culverts shall be reinforced concrete pipe, or equal, with sealed joints having a diameter of not less than twelve inches. Where special drainage designs are necessary such as masonry or concrete structures, etc., such designs in detail shall be submitted to the City Engineer for approval in advance of the completion of the construction plans.
(6) All trenches for water lines, sewers, utilities, etc., within the pavement or driveway areas, shall be backfilled with approved granular material to a point within a minimum of six inches of the subgrade and to a point three feet outside the pavement edge or three feet back of curb, if curb is used.
(7) Upon request by the City Engineer, the subdivider or developer shall submit a topographical plan of any drainage improvement with all areas shown that are tributary to the improvement.
(b) Intersection. The minimum curb radius shall be twenty feet to face of curb. Without curb the minimum pavement radius shall be thirty feet to edge of pavement. An area of clear vision at street intersections shall be provided.
(c) Driveways. The maximum grade on driveways shall not exceed twelve percent (12%). Driveway pipe shall be reinforced concrete pipe or equal with a minimum diameter of twelve inches and a minimum length of twenty feet.
(d) Guard Rail and Seeding. The necessity of guard rail, seeding, type of backfill or other special conditions, shall be determined with the assistance of the City Engineer before completion of the construction plans.
(e) Cul-de-sac. The paved area within the circular space at the termination of the cul-de-sac shall have a minimum outside radius of thirty-eight feet.
(f) T-turnarounds. The construction of T-turnarounds shall be determined with the assistance of the City Engineer. The T-turnaround shall extend the entire width of the right of way and shall have a minimum width of fifteen feet along the property line with the flared portions rounded by a minimum radius of fifteen feet.
(g) Estimate of Quantities. An estimate of the quantities of all work specified or indicated on the construction plans shall be shown.
(Ord. 64(64-65). Passed 4-14-65.)