[Ord. No. 2601, 2-28-2017]
The following words, terms and phrases, when used in this Chapter, shall have the meanings ascribed in this Section.
BEST MANAGEMENT PRACTICES
Also known as BMPs, best management practices are control measures taken to mitigate changes to both quantity and quality of urban runoff caused through changes in land use. Generally BMPs focus on water quality problems caused by increased impervious surfaces from land development. BMPs are designed to reduce stormwater volume, peak flows and/or non-point source pollution through evapotranspiration, infiltration, detention, and filtration or biological and chemical actions.
BMPs
Best Management Practices.
CLEAN WATER ACT PHASE II STORMWATER REGULATIONS
The Clean Water Act amendments of 1987 Phase II regulations, which were published in the December 8, 1999, Federal Register. These regulations require all municipalities to have National Pollution Discharge Eliminations System (NPDES) permit. The City of Olivette is a co-permittee under the NPDES titled St. Louis County Phase II Stormwater Management Plan.
COMMISSION
The City of Olivette Planning and Community Design Commission.
COMMUNITY DESIGN REVIEW
The review of site plan documents by the City of Olivette Planning and Community Design Commission in accordance to the procedures outlined in Chapter 425, Community Design – Generally or Chapter 428, Olive Boulevard Corridor of the Olivette Municipal Code.
CONCEPT STORMWATER MANAGEMENT PLAN
A plan specified in Section 422.070 that identifies and illustrates how stormwater will be managed on the site grounds.
DIRECTOR
The City's Director of Planning and Community Development or his or her designee.
EXCAVATION AND GRADING ORDINANCE
Chapter 520 of the Olivette Municipal Code regulating excavations, acts by which earth, sand, gravel, rock or any other similar material is cut into, dug, quarried, uncovered, removed, displaced, relocated or bulldozed and shall include the conditions resulting therefrom, and grading, any excavation or fill or any combination thereof and shall include the conditions resulting from any excavation or fill.
IMPERVIOUS SURFACE
A surface that does not allow water or other liquids to pass through it. (for example: concrete or asphalt streets, sidewalks, driveways, parking lots and patio pavements; building rooftops; etc.)
LOT COVERAGE
The residential lot coverage as defined under Chapter 400, Zoning Regulations.
METROPOLITAN SAINT LOUIS SEWER DISTRICT
Also referred to as MSD. In the interest of the public health and for the purpose of providing adequate sewer and drainage facilities within defined boundaries which wholly include the City of Olivette, Section 30 of Article VI of the Constitution of Missouri established a metropolitan sewer district known by and under the name of "The Metropolitan St. Louis Sewer District."
MSD
The Metropolitan Saint Louis Sewer District.
NATURAL RESOURCES
As applied under this Chapter, a natural resource is an undisturbed environment consisting of, or a combination of, streams, waterways, recreational green space, wildlife habitats, natural vegetated areas, a congregation of trees and foliage, slopes, rock cropping and hillsides that is unique to the built-up urban surrounding.
NON-POINT SOURCE POLLUTION
Water pollution affecting a water body from diffuse sources, in this case contaminated stormwater washed off of parking lots, roads and highways, and lawns.
PERVIOUS SURFACE
A surface that allows inflow of rainwater or other liquids into the underlying construction or soil. (for example: grass or vegetated area, pervious concretes or pervious construction materials.)
RESIDENTIAL FLOOR AREA
The residential floor area as defined under Chapter 400, Zoning Regulations.
SINGLE-FAMILY SITE ALTERATIONS
Any site alteration of single-family homes, residential additions, single-family detached and attached residential exterior alterations and single-family residential detached structures.
SITE ALTERATIONS
Any development or redevelopment requiring the application for community design review, site plan review or the subdivision of land in accordance with the procedures outlined in the Subdivision Code.
SITE PLAN
A series of construction documents required under Chapter 400, Zoning Ordinance with additional requirements under Chapter 425, Community Design – Generally or Chapter 428, Community Design – Olive Boulevard Corridor of the Olivette Municipal Code.
SITE PLAN REVIEW
The review of site plan documents by the City of Olivette Planning and Community Design Commission in accordance to the procedures outlined in Chapter 400, Zoning Ordinance with additional requirements under Chapter 425, Community Design Generally or Chapter 428, Community Design, Olive Boulevard Corridor of the Olivette Municipal Code.
SITE RESOURCE MAP
A part of the Concept Stormwater Management Plan specified in Section 422.070.
ST. LOUIS COUNTY PHASE II STORMWATER MANAGEMENT PLAN
Also known as the SWMP, the SWMP was developed in partnership with sixty (60) co-permittees and MSD to comply with stormwater permit requirements for the St. Louis Metropolitan Small Municipal Separate Storm Sewer System (MS4) to meet the National Pollution Discharge Elimination System permit system required under the Clean Water Act Phase II Stormwater Regulations. The purpose of the SWMP is to prevent harmful pollutants from being carried by stormwater runoff into local water bodies and to improve the water quality in the area.
STORMWATER
Rainfall or other forms of precipitation. Stormwater runoff is the result of stormwater washing across impervious surfaces, carrying with it the pollutants found on streets, parking lots, rooftops, etc. These pollutants end up in watersheds.
STREAM BUFFER PROTECTION ORDINANCE
Chapter 420 of the Olivette Municipal Code which creates buffer zones along the streams of Olivette for the protection of water resources; and minimizes land development within such buffers by establishing buffer zone requirements and by requiring authorization for any such activities.
SUBDIVISION CODE
Chapter 405 of the Olivette Municipal Code governing the division or redivision of land into two (2) or more lots, creation of condominiums, consolidation of two (2) or more tracts of land into one (1) lot, and any adjustment of boundaries of property or subdivisions.
UNDISTURBED
As applied under this Chapter, a naturally developed vegetated area or other natural terrain features.
WATERSHEDS
An area of land where the runoff from rain and snow will ultimately drain to a particular stream, river, wetland or other body of water.
ZONING ORDINANCE
Chapter 400 of the Olivette Municipal Code, which specifies the type of use to which property may be put in specific areas, defines:
1. 
The purpose for which the ordinance is adopted;
2. 
The various zoning classifications and permitted uses within each;
3. 
Restrictions, such as height limitations;
4. 
The procedure for handling non-conforming uses;
5. 
The procedure for granting amendments, variances and hearing appeals; and
6. 
Penalties for violation of the ordinance.