South West Study AreaSouth West Study AreaIntroductionIntroduction

► Summary of Study AreaSummary of Study Area

► Unified Development Code AmendmentsUnified Development Code Amendments

► Points of InterestPoints of Interest

► Staff RecommendationStaff Recommendation

► Review Schedule of MeetingsReview Schedule of Meetings

South West Study AreaSouth West Study Area

► Area generally bounded by Highway 59, Hwy Area generally bounded by Highway 59, Hwy 36, Hwy 190 the Tchefuncta River, the 36, Hwy 190 the Tchefuncta River, the Tangipahoa Parish Line and Lake Tangipahoa Parish Line and Lake PontchartrainPontchartrain

► From the eastern edge of Mandeville to Abita From the eastern edge of Mandeville to Abita Springs to Goodbee to MadisonvilleSprings to Goodbee to Madisonville

► Four quadrants created by I-12 and the Four quadrants created by I-12 and the Tchefuncta RiverTchefuncta River

South West Study AreaSouth West Study Area

Points of NotePoints of Note► The South West Study Area has undergone similar The South West Study Area has undergone similar

pattern of development but on three different pattern of development but on three different timelinestimelines

► Older areas of the southeast and northeast quadrants Older areas of the southeast and northeast quadrants have long established development patternshave long established development patterns

► The southwest quadrant underwent a dramatic The southwest quadrant underwent a dramatic increase in development pressures in the late 1990’sincrease in development pressures in the late 1990’s

► The northwest quadrant has undergone an increase in The northwest quadrant has undergone an increase in development pressure in the last 5 yearsdevelopment pressure in the last 5 years

Points of NotePoints of Note► The northwest quadrant has undergone an The northwest quadrant has undergone an

increase in development pressure in the last increase in development pressure in the last 5 years5 years

► Each distinct growth period has had Each distinct growth period has had different standards of development and different standards of development and infrastructure requirementsinfrastructure requirements

► This ordinance and other recently adopted This ordinance and other recently adopted standards are an attempt to improve on the standards are an attempt to improve on the previous requirementsprevious requirements

Existing Land UseExisting Land Use

Points of NotePoints of Note

► Density should be assigned to areas where Density should be assigned to areas where infrastructure can be constructed without infrastructure can be constructed without having a significant impact upon the adjacent having a significant impact upon the adjacent communitiescommunities

► Higher density development should be placed Higher density development should be placed in areas which are less susceptible to in areas which are less susceptible to catastrophic impacts of tropical storm events.catastrophic impacts of tropical storm events.

► Due to an increase in elevation, I-12 is the Due to an increase in elevation, I-12 is the traditional line of evacuation for St. Tammany traditional line of evacuation for St. Tammany ParishParish

ElevationElevation

St. Tammany GreenprintSt. Tammany Greenprint

► Commercial Centers and Town Centers Commercial Centers and Town Centers should be separated so as not to strip out should be separated so as not to strip out commercial corridorscommercial corridors

► Industrial or Heavy Commercial centers Industrial or Heavy Commercial centers must be placed where adequate highway must be placed where adequate highway infrastructure can be built if not already infrastructure can be built if not already availableavailable

Commercial and Town CentersCommercial and Town Centers

Proposed Zoning PatternProposed Zoning Pattern

South of Interstate 12South of Interstate 12► South of I-12 is either heavily developed with South of I-12 is either heavily developed with

established development patterns or undergone established development patterns or undergone considerable developmental review in the last ten considerable developmental review in the last ten yearsyears

► These existing developments have established a These existing developments have established a relatively consistent pattern of development both east relatively consistent pattern of development both east and west of the Tchefuncta Riverand west of the Tchefuncta River

► Environmental issues and physical barriers limit the Environmental issues and physical barriers limit the developmental capacities of the southern half of the developmental capacities of the southern half of the South West Study area South West Study area

► The threat of tidal inundation by storm events suggest The threat of tidal inundation by storm events suggest that concentrations of higher density should be that concentrations of higher density should be avoidedavoided

South of Interstate 12South of Interstate 12

► Commercial activities should be located Commercial activities should be located concentrated at existing centers at Mandeville, concentrated at existing centers at Mandeville, Madisonville, and interstate intersections.Madisonville, and interstate intersections.

► While some concentrations of density exist, While some concentrations of density exist, any additional residential development south any additional residential development south of US 190 should be of lower density.of US 190 should be of lower density.

► Some small scale existing commercial will Some small scale existing commercial will remain, particularly along Louisiana Highway remain, particularly along Louisiana Highway 22.22.

Staff RecommendationStaff RecommendationSouth of I-12South of I-12

► Approximately 79% of property designated Approximately 79% of property designated residential (A or E Districts).residential (A or E Districts).

► Approximately 21% of property designated Approximately 21% of property designated commercial, institutional or mixed use.commercial, institutional or mixed use.

► Density of all Residentially Zoned Property Density of all Residentially Zoned Property (A or E Districts) is 1.40 units per acre.(A or E Districts) is 1.40 units per acre.

► Density of all property is 1.11 units per acre.Density of all property is 1.11 units per acre.

Southeast QuadrantSoutheast Quadrant

Southwest QuadrantSouthwest Quadrant

North of Interstate 12North of Interstate 12► The relative lack of development would normally The relative lack of development would normally

permits planning and construction of permits planning and construction of transportation, drainage and other infrastructure.transportation, drainage and other infrastructure.

► However, environmental issues and physical However, environmental issues and physical barriers limit the developmental capacities of the barriers limit the developmental capacities of the northwest quadrant of the South West Study area .northwest quadrant of the South West Study area .

► Towns, crossroad communities and the interstate Towns, crossroad communities and the interstate intersections form the “Commercial and Town intersections form the “Commercial and Town Centers” in this area.Centers” in this area.

► Existing centers should be developed with growth Existing centers should be developed with growth focused around these existing centers.focused around these existing centers.

North of Interstate 12North of Interstate 12► Areas along the Tchefuncta River and west Areas along the Tchefuncta River and west

of Louisiana Highway 1077 (north of U.S. of Louisiana Highway 1077 (north of U.S. 190 and Bedico Creek (between U.S. 190 190 and Bedico Creek (between U.S. 190 and I-12) are particularly sensitive. and I-12) are particularly sensitive.

► Significant acreage of environmentally Significant acreage of environmentally sensitive property located north of I-12 sensitive property located north of I-12 should be designated as lower density should be designated as lower density districts.districts.

► While concentrations of higher density are While concentrations of higher density are more appropriate north of I-12, these must more appropriate north of I-12, these must be located within relatively limited areas be located within relatively limited areas which are not as environmentally sensitive.which are not as environmentally sensitive.

Staff RecommendationStaff RecommendationNorth of I-12North of I-12

► Approximately 80% of property designated Approximately 80% of property designated residential (A or E Districts).residential (A or E Districts).

► Approximately 20% of property designated Approximately 20% of property designated commercial, institutional or mixed use.commercial, institutional or mixed use.

► Density of all Residentially Zoned Property Density of all Residentially Zoned Property (A or E Districts) is 1.20 units per acre.(A or E Districts) is 1.20 units per acre.

► Density of all property is .96 units per acre.Density of all property is .96 units per acre.

Northeast QuadrantNortheast Quadrant

Northwest QuadrantNorthwest Quadrant

Staff RecommendationStaff Recommendation► Approximately 79% of property designated Approximately 79% of property designated

residential (A or E Districts).residential (A or E Districts).

► Approximately 21% of property designated Approximately 21% of property designated commercial, institutional or mixed use.commercial, institutional or mixed use.

► Density of all Residentially Zoned Property Density of all Residentially Zoned Property (A or E Districts) is 1.31 Units per acre.(A or E Districts) is 1.31 Units per acre.

► Density of all 95 square miles is 1.04 units Density of all 95 square miles is 1.04 units per acre.per acre.

Review Schedule of MeetingsReview Schedule of Meetings

►Special Public Hearings Special Public Hearings October 21, 2008October 21, 2008 November 18, 2008November 18, 2008

►Presentation to Council in Presentation to Council in December for additional December for additional hearings as needed by Parish hearings as needed by Parish Council prior to adoptionCouncil prior to adoption

Project Website

http://www.stpgov.org/departments_planning_rezoning.php

Project E-mail Address

rezoning@stpgov.org