Whereas, Section 6 of Ordinance 497 amended Ordinance 430 by creating Article XX(a), PUD District establishes certain regulations and guidelines pertaining to accompanying information required on a final site plan and final site plan documents. Now, therefore, the following conditions, restrictions, and regulations are adopted as part of this approval, to wit:
A. General Conditions: The sketch plan incorporates a maximum of two hundred ninety (290) residential dwelling units which shall be distributed by types and location according to the plan as presented with a maximum average density of four and two-tenths (4.2) units/acre allowed on the south twenty one and one-tenth (21.1) acres.
In addition, the following general site plan criteria are integrated into and made a part of the sketch plan document and its recommendation or approval:
1. All subdivisions, streets, street right-of-way and general development shall adhere to the standards and design criteria set forth in the West Des Moines Subdivision Ordinance pertaining thereto unless otherwise stated within this Ordinance.
2. The development shall comply with Article XXV (Site Plans) of the West Des Moines Zoning Ordinance, and Article XX(a) (PUD) Sections 6 and 8. No final building plan shall be required for individual patio home lots although the overall patio home section shall fall under this Section criteria.
3. With the first final development proposal, or prior thereto, there shall be submitted to and approved by the City Engineer of West Des Moines, a storm water management plan for the entire PUD. The drainage system plan shall be such that the storm water management for the entire site as it relates to the first development proposal shall be shown, in such detail as necessary to satisfy the City. The plan shall be guided by, and adhere to the West Des Moines Subdivision Ordinance and the Park Plaza Creek drainage study as same pertains to storm water management, with the provision made for conveyance of the 100-year return frequency rainfall (event), including the provision for on-site temporary detention and storage equivalent to limiting the release of storm water runoff from all areas tributary to Park Plaza Creek to eight-tenths (0.8) cfs per acre. No use shall be permitted in a drainage easement other than open space.
4. In all areas involving potential flood hazards, no residential structure shall be erected which has a lowest floor, including basements, less than one foot (1') above the determined level of the 100-year return frequency rainfall event.
5. The petitioners seeking this rezoning, their successors and assigns, if any, shall pay all construction and engineering costs for the interior development of the planned unit development, as required by the Subdivision Ordinance of the City of West Des Moines, Iowa, for all streets, storm sewers, sanitary sewers, creek improvements, creek crossing structures, City-owned utilities, buffers, and other improvements as may be required by the Subdivision and Zoning Ordinances within the PUD. The term "within" shall be construed to encompass the full width of 50th Street adjoining the southern portion of Lot 4.
B. Land Use Design Criteria: In addition to the general criteria as stated in subsection A above, the following land use design criteria shall apply to the individual unit designations as set forth:
1. Patio Homes (Single-Family Attached/Detached):
a. All development shown as patio home in character, shall incorporate a minimum lot frontage of forty five feet (45'), a minimum lot area of five thousand six hundred (5,600) square feet, a minimum rear yard setback of thirty feet (30') with all front yard setbacks on restricted residential streets staggered with a minimum setback of twenty feet (20') and a minimum average setback of twenty two feet (22'). Patio home lots which abut any other classification of street shall have a minimum front yard setback of twenty five feet (25') from the street right-of-way except when abutting 50th Street in which case a minimum setback of thirty feet (30') will be required. (Ord. 671, 5-11-1981)
b. All development shown as patio lots (50 foot average frontage), when platted, shall have an average minimum lot frontage of fifty feet (50') for all lots, shall have an average minimum lot area of six thousand two hundred fifty (6,250) square feet per lot and shall abide by all setbacks as established in subsection B1a of this Section. (Ord. 754, 4-22-1985)
c. Units may be either detached or bi-attached in character. No patio unit shall be set closer than two feet (2') to a property line, and the minimum sum of both side yards for each lot shall be ten feet (10'). All structures other than those attached by a common wall shall have a minimum separation of ten feet (10').
d. Before development shall commence on any patio home segments of the plan, a master plan and unit concept shall be submitted to, and approved by the Planning and Zoning Commission and City Council pursuant to Article XXV (Site Plans) of the West Des Moines Zoning Ordinance. The site plan information shall contain the following: 1) exterior construction materials; 2) elevations of exteriors of units; and 3) such other design elements as shall be applicable. (Ord. 671, 5-11-1981)
2. Six-Plexes, Eight-Plexes And Ten-Plexes:
a. All lots set forth as six-plexes, eight-plexes or ten-plexes shall in addition to requirements set forth in subsection A, General Conditions, of this Section shall comply with open space and parking requirements set forth in Articles XXII and XXIII of the West Des Moines Zoning Ordinance.
b. No unit shall be located closer than thirty five feet (35') to the right-of-way of Interstate 35. All units shall have a thirty foot (30') minimum rear yard setback, a minimum side yard setback of ten feet (10'), and a minimum twenty five foot (25') setback from public street right-of-way, except if abutting E. P. True Parkway in which case a minimum thirty foot (30') setback will be required.
c. All lots designated as six-plex, eight-plex or ten-plex shall be developed as such with the density shown being maximum densities permitted, and do not represent an assurance of the total number of units to be developed. Actual densities shall be based upon the site plan approach pursuant to Article XXV (Site Plans) of the West Des Moines Zoning Ordinance, which shall incorporate all provisions of individual unit design, open space, parking, drainage, landscaping, and such additional factors as shall lead to a sound planning and development scheme which integrates a particular segment into an overall neighborhood plan.
d. Each six-plex lot shall incorporate a minimum lot frontage of one hundred twenty five feet (125') and a minimum area of fifteen thousand six hundred twenty five (15,625) square feet. Each eight-plex lot shall incorporate a minimum lot frontage of one hundred fifty feet (150') and a minimum area of eighteen thousand seven hundred fifty (18,750) square feet. Each ten-plex lot shall incorporate a minimum lot frontage of two hundred feet (200') and a minimum area of twenty five thousand (25,000) square feet. (Ord. 754, 4-22-1985)
3. Multi-Family Housing:
a. The development shown as multi-family housing shall in addition to the requirements set forth in subsection A, General Conditions, of this Section, shall comply with the open space and parking requirements as set forth in Articles XXII and XXIII of the West Des Moines Zoning Ordinance.
b. No unit shall be located closer than thirty five feet (35') to the right-of-way of Interstate 35. All units shall have a minimum thirty foot (30') setback from any public street and a twenty five foot (25') setback from any adjoining residential lots.
c. Densities as shown on the sketch plan are maximum densities permitted, and do not represent any assurance of the total number of units to be developed. Actual densities shall be based upon site plan approval pursuant to Article XXV (Site Plans) of the West Des Moines Zoning Ordinance which shall incorporate all provisions of individual unit design, open spaces, parking, drainage, landscaping and such additional facts as shall lead to a sound planning and development scheme. (Ord. 671, 5-11-1981)