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Murray City Zoning Code

CHAPTER 17

132 INCENTIVE DENSITY BONUS

17.132.010: PURPOSE:

The objective of this chapter is to provide incentives to encourage higher quality development by providing better design, landscaping, building materials, off street parking facilities, energy efficiency and neighborhood compatibility. This will provide incentive towards better housing longevity which will stabilize and preserve neighborhoods and provide a high quality environment in the community. This chapter provides a process by which projects may be allowed to expand in density if they comply with the criteria outlined in this chapter. (Ord. 07-30 § 2)

17.132.020: BASELINE DENSITY:

Baseline density for all multiple-family zoning is that density allowed by each multiple-family zone. (Ord. 07-30 § 2)

17.132.030: BASELINE REQUIREMENTS:

Baseline requirements are the minimum standards which must be met for development. This is based on complying with all zoning and building regulations, and subdivision ordinances. Progressively higher standards are required to gain increments of higher density. (Ord. 07-30 § 2)

17.132.040: CATEGORIES:

These category requirements were chosen because these factors are the major influential areas which contribute to the longevity, aesthetic, and neighborhood compatibility of a project. The categories are as follows:
   A.   Structure Design: Structural design is the architectural appearance of the buildings and the relationship to the site and the surrounding area. Each successively higher level of density will require successively better design goals. The requirements will be based on increasing variation in form, color, scheme, materials, setbacks, floor plans, elevations, height, bulk, and sensitivity to surrounding land use and land forms. These features must be integrated into the total design of the site, structure and landscaping. Variation in design must be successfully integrated in the proposal and not treated as an afterthought to a cookie cutter plan and elevation. The goal is to design a project that creates a planned, coordinated, functional, aesthetic development. The project will fit in scale to the area and the site specifically.
   B.   Landscaping: Landscape design is critical in creating a positive environment in a project. An excellent landscape design need not incur proportionately higher costs for the relatively high visual impact that it has on the aesthetic value of a development. Water conservation principles will also be considered in the total landscape scheme. Skillfully integrated into the housing, recreational, parking, and buffer areas can greatly enhance the sense of unity for the entire site design. Knowledgeable landscape design and implementation can also be a positive influence on energy consumption on the site. Landscape design requirements will be progressively more demanding as the densities increase. More mature landscaping stock and terrain variation will be required.
   C.   Building Materials: Building materials play a key role in the aesthetic appearance and value of a project. Excellent building materials and finishes promote quality and longevity in a structure. Emphasis is placed on masonry exteriors for low maintenance characteristics. Increasing amounts of masonry will be required for higher densities.
   D.   Parking Facilities: Location, size, and number of stalls play a vital role in the function of good design. Parking areas must provide safe access to public streets and to the housing on site. Parking locations are encouraged to be located out of front yard areas with buffering, landscaping, and berming. Areas for recreational vehicles and extra standard vehicles should be located on site at appropriate locations and screened by barrier fencing and landscaping. Covered parking improvements will be required by upgrading facilities with each increment of higher density.
   E.   Urban Design/Neighborhood Compatibility: Site compatibility to surrounding land use and structures is very critical. Design measures which can be taken to effectively integrate a new housing development into a neighborhood will have a highly positive impact on the way the neighbors perceive and respond to the development. A successful design will incorporate or acknowledge surrounding developments with emphasis in tapering height to abutting structures. Great effort should be made to integrate architectural compatibility with surrounding residential structures. Other features must also be considered such as access, traffic, schools, utilities, soils, shopping, water table, floodplains, wetlands, recreational amenities, and existing trees.
   F.   Affordable Housing: The state of Utah recognizes in Utah Code Annotated section 10-9a-403 that the availability of moderate income housing is an important part of the city general plan. The spirit of the statute is to ensure that people who desire to live in Murray should be able to do so regardless of income. People expect the city to offer a reasonable opportunity to a variety of housing which is located throughout the community. With such an opportunity, people with moderate incomes are allowed to benefit from and to fully participate in all aspects of neighborhood and community life. (Ord. 07-30 § 2)

17.132.050: DENSITY BONUS CRITERIA:

To gain bonus density in any multiple-family zone through conditional use permit, the project shall meet the criteria established under urban design/neighborhood compatibility, energy efficiency, structure design, landscaping, affordable housing, and parking facilities. Portions of the density bonus criteria may be waived or modified by the planning commission based upon project performance which complies with the intent and purpose of this chapter. The burden of proof rests with the applicant where such waivers or modifications are requested.
 
One Unit Per Acre Increase
Two Units Per Acre Increase
Three Units Per Acre Increase
Building materials
Quality materials are encouraged.
 
No plywood or composition siding is allowed.
 
50% of the exterior should consist of maintenance free masonry materials.
 
Minimum 240 pound architectural grade asphalt, fiberglass or fire treated wood shingles shall be used.
High quality exterior materials shall be used.
 
No plywood, composition, aluminum or plastic siding will be used. (Aluminum and plastic soffit and fascia will be permitted.)
 
75% of the exterior should consist of maintenance free masonry materials.
 
Minimum 300 pound architectural grade asphalt, fiberglass or fire treated wood shingles shall be used.
Exteriors shall be essentially 100% maintenance free wall material such as high quality brick, natural stone and weather resistant stucco material (stucco not to exceed 30% of area) shall be used.
 
Metal or plastic soffits and fascia shall be permitted.
 
Roofing material shall be extremely durable such as fire treated wood shakes, clay or concrete tile, slate or approved high quality metal roofing.
Parking facilities
Provide 1 covered parking stall per unit.
 
Design landscaped island areas to break up large asphalt areas.
 
Provide landscaped berms at appropriate locations to screen and buffer parking areas.
 
Where possible, scatter parking areas around the site to create smaller areas of off street parking.
Required covered parking to have design compatibility with the main dwelling.
 
RV parking area to be provided on site at the rate of 1 stall per every 8 units.
 
Design landscaped islands need to break up large asphalt areas.
 
Provide landscaped berms as appropriate locations to screen and buffer parking areas.
 
Scatter parking areas around the site to create smaller areas of off street parking.
1 parking stall per unit to be incorporated into the main dwelling in the form of a garage.
 
RV parking area to be provided on site at the rate of 1 stall per every 5 units.
 
Design landscaped areas to break up large asphalt areas.
 
Provide landscaped berms at appropriate locations to screen and buffer parking areas.
 
Scatter parking areas around the site to create smaller areas of off street parking.
Landscaping
30% of site to be landscaped/recreation.
 
1 approved tree per 600 square feet of landscaped area.
 
Provide landscaping and berming as a buffer area. Provide barrier fencing of high quality.
35% of site to be landscaped/recreation.
 
1 approved tree per 575 square feet of landscaped area.
 
Provide landscaping and berming as a buffer area. Provide barrier fencing of masonry construction.
40% of site to be landscaped/recreation.
 
1 approved tree per 525 square feet of landscaped area.
 
Install a wide variety of plants and trees.
 
1 approved tree per 300 square feet of buffer area.
Structure design
Repetitious and plain boxlike buildings should be minimized by providing variation in detail, form and siting.
 
Visual interest should be created through use of quality materials and design.
 
Laundry facilities will be provided on site.
 
50% of the units shall have some outdoor privacy in the form of balconies or patios (72 square feet minimum).
 
Mechanical equipment shall be hidden from view.
No repetitious or plain boxlike buildings are permitted. No long, straight facades.
 
Color schemes are to be harmonious and compatible.
 
Visual interest is achieved by variation of form, siting, detailing, materials and textures.
 
75% of the units shall have some outdoor privacy in the form of balconies or patios (72 square feet minimum).
 
Units shall be provided with individual washer and dryer hookups.
 
Mechanical equipment shall be hidden from view.
 
For projects with 20 or more units, 1 special amenity such as a swimming pool, clubhouse, playground, or tennis court shall be included.
Excellent design quality throughout all aspects of the project is clearly achieved through variation in height, siting, buffering, form, material and texture.
 
Colors and textures shall present much visual appeal. Provide samples of materials and colors to be used.
 
100% of the units shall have some outdoor privacy in the form of balconies or patios (72 square feet minimum).
 
Units shall be provided with individual washer and dryer hookups.
 
All fencing shall be maintenance free.
 
Mechanical equipment shall be hidden from view.
 
For projects with 20 or more units, 1 special amenity such as a swimming pool, clubhouse, playground, or tennis court shall be included. For projects with 30 or more units, 2 such amenities shall be included.
Affordable housing
20% of the units will be affordable to people making 80% or less of median income. Units will remain affordable for 25 years.
20% of the units will be affordable to people making 60% or less of median income. Units will remain affordable for 25 years.
20% of the units will be affordable to people making 60% or less of median income. Units will remain affordable for 50 years.
Urban design/
neighborhood compatibility
50% of perimeter buildings are limited to adjacent structural height.
 
Remainder of buildings are limited to 2 stories.
 
Building setbacks are equal to or greater than surrounding building setbacks.
 
Designed with compatibility to adjacent residential development, particularly with building height, architecture, landscaping, buffering, traffic considerations and building mass.
75% of perimeter buildings are limited to adjacent structural height.
 
Remainder of buildings are limited to 2 stories.
 
Building setbacks are equal to or greater than surrounding setbacks.
 
Designed with compatibility to adjacent residential development with regard to building height, architecture, landscaping, traffic considerations and building mass.
100% of perimeter buildings are limited to adjacent structural height.
 
Visual interest must be maintained from all view angles from adjacent properties and streets.
 
Building setbacks are equal to or greater than surrounding setbacks for excellent buffering from single-family and commercial areas.
 
Designed with excellent compatibility to adjacent residential development particularly with regard to building height, architecture, landscaping, traffic considerations and building mass.
 
(Ord. 07-30 § 2)