[Ord. No. 304 §§1 — 2, 2-26-2001]
A.
Initial Conference. Improvement plans shall be based on the preliminary plat approved by the Board of Aldermen. Before improvement plans involving streets in a subdivision are prepared for Commission review, the subdivider may request an initial conference with the Zoning Administrator and/or City Engineer in order to inform the City of the general plans being considered for the streets of the subdivision and to obtain input from them regarding any special factors to be considered at the site and to become aware of special conditions which may be required as a result of the contemplated street plan.
B.
Submission Requirements. The subdivider shall submit four (4) sets of improvement plans for review (and five (5) sets for final approval) to the City Clerk's office. The improvement plans shall be drawn at a scale not to exceed one (1) inch to one hundred (100) feet on an exhibit approximately twenty-four (24) inches by thirty-six (36) inches and shall contain the following information:
1.
North arrow, scale and date.
2.
Title block showing name and address of subdivider and subdivider's registered professional engineering firm, as well as the engineer's seal.
3.
One (1) or more bench marks in or near the subdivision to which the subdivision is referenced. The identity and elevation shall refer to U.S.G.S. datum.
4.
List of standards and specifications followed for items and operations of construction that appear in the improvement plans.
5.
Grading plan conforming to Chapter 411 and indicating existing and proposed contours, grading and compaction details, and details of protective methods to prevent silt and mud damage to off-site streets and properties during construction operation.
6.
Street plans conforming to Section 410.180 and including paving details and details of street showing grading, slopes, width of pavement and cul-de-sacs with typical cross-sections.
7.
Street name signs, stop signs and the proposed subdivision entryway sign, indicating their location and specifications.
9.
Storm sewer plan indicating:
a.
Existing and proposed storm sewers and structures.
b.
Drainage area map delineating both off-site and on-site drainage capacity.
c.
Details of detention storage facilities, accompanied by proposed routing procedure and structural design computations.
d.
Design and construction specifications conforming to the requirements of the St. Louis Metropolitan Sewer District or the City of Green Park, whichever is more restrictive.
10.
Miscellaneous, to be included when applicable:
11.
Natural features within and adjacent to the proposed subdivision including any natural resources and other drainage channels, bodies of water, wooded areas, and other significant features. On all watercourses leaving the tract, the direction of flow shall be indicated, and for all watercourses entering the tract, the approximate drainage area and watershed name above the point of entry shall be noted.
12.
Storm drainage analysis showing drainage data for all watercourses or drainage ways entering and leaving the plat boundaries. The storm drainage design shall be prepared to demonstrate the proposed system's capability of accommodating not less than the current MSD or any criteria adopted by the City, whichever is more restrictive.
13.
Designation of any portion of property within the 100-year flood plain, based upon calculations recognized by the Federal Flood Insurance Administration and the City Engineer as the most recent and accurate available from the Army Corps of Engineers.
C.
Documents Accompanying Improvements Plans.
1.
Indenture of restrictions to be recorded with or on the final plat.
2.
Street numbers obtained from the Mapping Department of the St. Louis Post Office.
3.
Written approval of the sanitary and storm sewer systems, indicating approval of plans submitted for review by St. Louis Metropolitan Sewer District and/or the City, whichever is applicable.
4.
Copy of contract with the Missouri-American Water Company for water service to all lots.
5.
Certified statement by the subdivider's engineer of the estimated cost of improvement installation which the City Engineer has approved by initialing same. This provision is applicable only if the subdivider intends to install improvements after the final plat is approved.
6.
Certificate or other proof showing all taxes to the last taxpaying period have been paid.
7.
If the proposed subdivision fronts on a public street, a letter from the public agency shall be submitted to the City stating approval of the proposed access together with any conditions which have been stipulated.
8.
Certified copy of the recorded preliminary plat as provided in Section 410.070(D)(6).