(a) Together with the final plat, the subdivider and/or developer shall submit to the Planning Commission nine copies of the complete set of construction drawings for the public improvements required in Chapter 1250. These construction drawings shall be submitted to the City Engineer forty-five days prior to the official filing date of the final plat. These construction drawings shall include a cover sheet, street and utility improvement plans, grading and drainage plans and erosion and sedimentation control plans for the subdivision. In addition, the subdivider and/or developer shall be required to submit the following:
(1) Water, sanitary sewer and storm drainage calculations, with a statement of the basis of design, and a drainage area map showing individual and cumulative drainage areas tributary to each point of concentration; and
(2) A cost estimate of all public improvements, such as walks; curbs and gutters; pavements; roadway excavation and street signs; storm sewers; sanitary sewers, water mains and their appurtenances; plat and lot corner markers; and finished lot grading.
(b) Following the City's formal approval of the final plat and accompanying construction drawings, the subdivider and/or developer shall submit additional copies of the construction drawings if required for inspection. Before the developer places street pavement, he or she shall submit to the City a set of prints showing the "as-built" locations of the underground public improvements. Within ninety days after the developer has constructed all the public improvements, and before Council accepts the public improvements, he or she shall submit to the City a set of reproducible prints showing the "as-built" locations of the public improvements.
(c) The construction drawings shall consist of the following:
(1) Cover sheet. The cover sheet shall include thereon a plan at a scale of one inch to 100 feet of the plat showing street rights of way; the lot layout; street names; lot numbers; utility layouts for the storm drainage system, the sanitary sewerage system and the water distribution system, including sizes, span length and the location of appurtenances; a vicinity map; the plat name or title; and required signature approval blocks.
(2) Street and utility improvement plans. The street and utility improvement plans shall consist of a plan and profile drawn to a scale of one inch to forty feet horizontally and one inch to six feet vertically. The plan portion of the streets shall include, in sufficient detail, the location of all streets, lots and storm drainage, sanitary sewerage and water distribution systems. The profiles shall show the existing and proposed street profiles and profiles of all sanitary sewer and storm improvements. Details of standard street sections and miscellaneous construction items shall appear on the sheets as well as any construction notes pertaining to the proposed improvements.
(3) Grading and drainage plans. The grading and drainage plans shall be drawn at a scale of one inch to forty feet and shall show the proposed street and lot layout, including dimensions. The existing topography (contours) shall be shown. Proposed grading shall be shown by either proposed contour lines or sufficient spot elevations and drainage direction arrows. In either case, proposed elevations shall be shown at all lot corners. Storm drainage lines and structures shall be indicated, including all pertinent elevations.
(4) Erosion and sedimentation control plans. The erosion and sedimentation control plans may be separate plans or included with the grading and drainage plans. The plans are to include, in such detail as approved by the City Engineer, the control measures and specifications necessary to comply with the requirements of Chapter 1222.
(Ord. 73-09. Passed 3-13-73. )