Downtown Overlay Zones
Figure 208-3, Diagram of Street Type and Access Lane Intersection Standards | ||||
|---|---|---|---|---|
Street Types and Access Lanes | Minimum Separation Distance Between Street Intersections | Minimum Separation Distance Between Intersections and Access Lanes Curb Cuts | Minimum Separation Distance Between Two Access Lane Curb Cuts | |
A Streets | 250 feet | 250 feet | 250 feet | |
B Streets | 150 feet | 100 feet | 100 feet | |
C Streets | 100 feet | 100 feet | No minimum | |
Access lane | Not applicable | 100 feet | No minimum | |
Note: All separations and distances shall be measured from lesser of the two: 1) for those traveled ways less than 40 feet, zero inches, use the center line of the traveled way; or 2) for those traveled ways greater than 40 feet, zero inches, a distance 20 feet, zero inches, from the edge of the traveled way. | ||||
Table 1: Table of Principal Uses | |||||
|---|---|---|---|---|---|
DO-1 | DO-2 | DO-3 | DO-4 | ||
MIXED USE*** | |||||
Mixed-use building | P | P | P | * | |
Live-work | P | P | P | SP** | |
RETAIL | |||||
Retail | P | P | P | * | |
Restaurant | P | P | P | * | |
OFFICE | |||||
Office | P | P | P | * | |
Medical office | P | P | P | * | |
Professional service | P | P | P | * | |
RESIDENTIAL*** | |||||
Townhouse | P | P | P | SP** | |
Multiple dwelling | P | P | P | * | |
Multifamily residence | P | P | P | * | |
CULTURAL | |||||
Theater | P | P | P | * | |
Performing arts | P | P | P | * | |
Museum | P | P | P | * | |
HOSPITALITY*** | |||||
Hotel | P | X | X | * | |
Inn | P | P | P | * | |
Bed-and-breakfast | X | X | P | * | |
Residential care facility | P | P | P | * | |
RECREATION/ EDUCATION | |||||
Indoor recreation | P | P | P | * | |
Educational use | P | P | P | * | |
RELIGIOUS/CIVIC | |||||
Houses of worship | P | P | P | * | |
Library | P | P | P | * | |
LIGHT INDUSTRIAL | |||||
Artisan production facilities | P | P | P | * | |
Research and development facility | P | P | P | * | |
Data information center | P | P | P | * | |
Document/misc. storage | P | P | P | * | |
Small-scale renewable energy facilities | P | P | P | P | |
Agricultural use | P | P | P | P | |
Animal husbandry | X | X | SP | SP | |
PARKING FACILITIES | |||||
Parking structures | P | P | P | P | |
Surface parking | P | P | P | P | |
ADULT ENTERTAINMENT USES | |||||
Adult entertainment use | X | X | X | * | |
UTILITIES | |||||
Utilities | SP | SP | SP | SP | |
NOTES: | ||
|---|---|---|
P | Permitted | |
SP | Allowed by special permit | |
* | Allowed if and to the extent permitted in the underlying district | |
SP** | Allowed by special permit only where the underlying district is Bus B and limited to a total of 383 units in the entire DO-4 District | |
X | Prohibited | |
*** | Residential use and private dwelling units associated with hospitality uses are prohibited on first floor of storefront frontage | |
Figure 210-7, Development Standards for DO-1, DO-2, DO-3 | |||
|---|---|---|---|
DOZ Base Requirements | Downtown Incentive Bonuses (DIBs) | ||
DIB1 | DIB2 | ||
Build-to zone | 5 feet required for frontage types FR-1 FR-2 FR-3 | ||
10 feet required for frontage types FR-4 FR-5 FR-6 | |||
Site frontage minimum | 75 feet | 150 feet | 300 feet |
Site area minimum | 7,500 square feet | 15,000 square feet | 60,000 square feet |
Building height | 3 stories and 30 feet minimum* | 5 stories maximum | DO-1 & DO-2: Residential buildings - not to exceed 8 stories; nonresidential buildings - not to exceed 10 stories and 120 feet DO-3: not to exceed 85 feet |
Stepback | N/A | N/A | 15 feet above 5 stories |
PARKING LOCATION (Structure or Surface) | |||
Setback from A & B Streets | 30 feet above street level; 0 feet for parking stories entirely below street level | ||
Setback from C Streets | 0 feet | ||
NOTES: | |
* Base height |
Figure 210-8, Sustainable Development Standards for DO-1, DO-2, DO-3 | |||
|---|---|---|---|
DOZ Requirements | Downtown Incentive Bonuses (DIBs) | ||
DIB1 | DIB2 | ||
Minimum requirement | Attain equivalent of LEED ND Certified (40-49 points) | Minimum requirement to attain equivalent of LEED ND Silver (50-59 points) | |
Indoor water use | 20% below baseline | 20% below baseline | |
Water-efficient landscaping | Reduce potable water consumption for outdoor landscape irrigation by 50% from a calculated midsummer baseline case | ||
Heat island reduction** | 50% of the nonroof site hardscape | ||
"Green" roof for at least 50% of roof area or 75% of roof with low SRI | |||
Parking | DOZ minimum requirements | Provide minimum 3% car sharing | |
Bicycle parking | DOZ minimum requirements | Provide minimum 5% bike sharing | |
NOTES: | |
|---|---|
** Except for approved piazza as public civic space |
Figure 210-12, Table of Permitted Private Frontage Types | |||||||
|---|---|---|---|---|---|---|---|
Permitted Frontage Types | |||||||
Street Types | Store-front* | Urban | Stoop | Porch | Lightwell | Court | Mid-Block |
FR-1 | FR-2 | FR-3 | FR-4 | FR-5 | FR-6 | FR-7 | |
A Street | P | P | P | X | X | P | X |
B Street | P | P | P | P | P | P | X |
C Street*** | P | P | P | P | P | P | P |
* | See Zoning Map Standards § 139-207 to determine where storefront is required | ||||||
P | Permitted | ||||||
X | Not permitted | ||||||
*** | Frontages are deemed to exist on C Streets if and only if the C Street frontage is necessary to fulfill the minimum site frontage requirements for a site. All such frontages shall require a build-to zone and a minimum frontage occupancy associated with their private frontage types. | ||||||
Figure 210-13, Table of Minimum Frontage Occupancy Requirements | |||||||
|---|---|---|---|---|---|---|---|
Minimum Frontage Occupancy Required | |||||||
Street Types | Store-front* | Urban | Stoop | Porch | Lightwell | Court | Mid-Block |
FR-1 | FR-2 | FR-3 | FR-4 | FR-5 | FR-6 | FR-7 | |
A Street | 80% | 80% | 80% | X | X | 80% | X |
B Street | 80% | 60% | 60% | 60% | P | 60% | X |
C Street | 0% | 0% | 0% | 0% | 0% | 0% | 0% |
* | See Zoning Map Standards § 139-207 to determine where storefront is required | ||||||
P | Permitted | ||||||
X | Not permitted | ||||||
NOTE: Residential use not permitted on the ground floor when storefronts are used or required. Common areas of residential and hospitality building such as lobbies, gyms and similar spaces servicing the primary use may occupy the ground floor storefront as long as it complies with the active edge requirements. | |||||||
Edging Elements | ||||||||
|---|---|---|---|---|---|---|---|---|
Frontage Types | Low Wall | Raised Edge | Stairs | Ornamental Fence | Privacy Fence | Planters | Landscaped Edge | |
EE-1 | EE-2 | EE-3 | EE-4 | EE-5 | EE-6 | EE-7 | ||
Storefront | FR-1 | P | P | X | P | X | P | P |
Urban | FR-2 | P | P | P | P | X | P | P |
Stoop | FR-3 | P | P | P | P | X | P | P |
Porch | FR-4 | P | P | P | P | X | X | P |
Lightwell | FR-5 | P* | P* | P* | P | X | X | X |
Forecourt | FR-6 | P | P | P | P | X | P | P |
Service | FR-7 | P | P | P | P | P** | P | P |
Figure 210.J, Table of Building Water Efficiency Baselines | |
|---|---|
National Efficiency Baselines for Commercial Water-Using Fixtures, Fittings and Appliances* | |
Fixtures, Fittings and Appliances | Current Baseline |
Commercial toilets | 1.6 gpf2; except blowout fixtures: 3.5 gpf |
Commercial urinals | 1.0 gpf |
Commercial lavatory (restroom) faucets | 2.2 gpm at 60 psi - private applications only (hotel-motel guest rooms) |
0.5 gpm at 60 psi3 all others except private applications | |
0.25 gallon per cycle for metering faucets | |
Commercial prerinse spray valves (for food service applications) | Flow rate < 1.6 gpm (no pressure specified; no performance requirement) |
National Efficiency Baselines for Residential Water-Using Fixtures, Fittings and Appliances* | |
Residential toilets | 1.6 gpf4 |
Residential lavatory (bathroom) faucets | 2.2 gpm at 60 psi |
Residential kitchen faucet | |
Residential showerheads | 2.5 gpm at 80 psi per shower stall5 |
NOTES: |
|---|
* Adapted from information developed and summarized by the U.S. EPA Office of Water. |
2EPAct 1992 standard for toilets applies to both commercial and residential models. |
3In addition to EPAct requirements, the American Society of Mechanical Engineers standard for public lavatory faucets is 0.5 gpm at 60 psi (ASME A112.18.1-2005). This maximum has been incorporated into the national Uniform Plumbing Code and the International Plumbing Code. |
4EPAct 1992 standard for toilets applies to both commercial and residential models. |
5Residential shower compartment (stall) in dwelling units: The total allowable flow rate from all flowing showerheads at any given time, including rain systems, waterfalls, bodysprays, bodyspas, and jets, shall be limited to the allowable showerhead flow rate as specified above (2.5 gpm) per shower compartment, where the floor area of the shower compartment is less than 2,500 square inches. For each increment of 2,500 square inches of floor area thereafter or part thereof, an additional showerhead with total allowable flow rate from all flowing devices equal to or less than the allowable flow rate as specified above shall be allowed. Exception: Showers that emit recirculated nonpotable water originating from within the shower compartment while operating are allowed to exceed the maximum as long as the total potable water flow does not exceed the flow rate as specified above. |
Roof Type | Slope | SRI | |
|---|---|---|---|
Low - Sloped Roof | < 2:12 | 78 | |
Steep - Sloped Roof | > 2:12 | 29 |
Downtown Overlay Zones
Figure 208-3, Diagram of Street Type and Access Lane Intersection Standards | ||||
|---|---|---|---|---|
Street Types and Access Lanes | Minimum Separation Distance Between Street Intersections | Minimum Separation Distance Between Intersections and Access Lanes Curb Cuts | Minimum Separation Distance Between Two Access Lane Curb Cuts | |
A Streets | 250 feet | 250 feet | 250 feet | |
B Streets | 150 feet | 100 feet | 100 feet | |
C Streets | 100 feet | 100 feet | No minimum | |
Access lane | Not applicable | 100 feet | No minimum | |
Note: All separations and distances shall be measured from lesser of the two: 1) for those traveled ways less than 40 feet, zero inches, use the center line of the traveled way; or 2) for those traveled ways greater than 40 feet, zero inches, a distance 20 feet, zero inches, from the edge of the traveled way. | ||||
Table 1: Table of Principal Uses | |||||
|---|---|---|---|---|---|
DO-1 | DO-2 | DO-3 | DO-4 | ||
MIXED USE*** | |||||
Mixed-use building | P | P | P | * | |
Live-work | P | P | P | SP** | |
RETAIL | |||||
Retail | P | P | P | * | |
Restaurant | P | P | P | * | |
OFFICE | |||||
Office | P | P | P | * | |
Medical office | P | P | P | * | |
Professional service | P | P | P | * | |
RESIDENTIAL*** | |||||
Townhouse | P | P | P | SP** | |
Multiple dwelling | P | P | P | * | |
Multifamily residence | P | P | P | * | |
CULTURAL | |||||
Theater | P | P | P | * | |
Performing arts | P | P | P | * | |
Museum | P | P | P | * | |
HOSPITALITY*** | |||||
Hotel | P | X | X | * | |
Inn | P | P | P | * | |
Bed-and-breakfast | X | X | P | * | |
Residential care facility | P | P | P | * | |
RECREATION/ EDUCATION | |||||
Indoor recreation | P | P | P | * | |
Educational use | P | P | P | * | |
RELIGIOUS/CIVIC | |||||
Houses of worship | P | P | P | * | |
Library | P | P | P | * | |
LIGHT INDUSTRIAL | |||||
Artisan production facilities | P | P | P | * | |
Research and development facility | P | P | P | * | |
Data information center | P | P | P | * | |
Document/misc. storage | P | P | P | * | |
Small-scale renewable energy facilities | P | P | P | P | |
Agricultural use | P | P | P | P | |
Animal husbandry | X | X | SP | SP | |
PARKING FACILITIES | |||||
Parking structures | P | P | P | P | |
Surface parking | P | P | P | P | |
ADULT ENTERTAINMENT USES | |||||
Adult entertainment use | X | X | X | * | |
UTILITIES | |||||
Utilities | SP | SP | SP | SP | |
NOTES: | ||
|---|---|---|
P | Permitted | |
SP | Allowed by special permit | |
* | Allowed if and to the extent permitted in the underlying district | |
SP** | Allowed by special permit only where the underlying district is Bus B and limited to a total of 383 units in the entire DO-4 District | |
X | Prohibited | |
*** | Residential use and private dwelling units associated with hospitality uses are prohibited on first floor of storefront frontage | |
Figure 210-7, Development Standards for DO-1, DO-2, DO-3 | |||
|---|---|---|---|
DOZ Base Requirements | Downtown Incentive Bonuses (DIBs) | ||
DIB1 | DIB2 | ||
Build-to zone | 5 feet required for frontage types FR-1 FR-2 FR-3 | ||
10 feet required for frontage types FR-4 FR-5 FR-6 | |||
Site frontage minimum | 75 feet | 150 feet | 300 feet |
Site area minimum | 7,500 square feet | 15,000 square feet | 60,000 square feet |
Building height | 3 stories and 30 feet minimum* | 5 stories maximum | DO-1 & DO-2: Residential buildings - not to exceed 8 stories; nonresidential buildings - not to exceed 10 stories and 120 feet DO-3: not to exceed 85 feet |
Stepback | N/A | N/A | 15 feet above 5 stories |
PARKING LOCATION (Structure or Surface) | |||
Setback from A & B Streets | 30 feet above street level; 0 feet for parking stories entirely below street level | ||
Setback from C Streets | 0 feet | ||
NOTES: | |
* Base height |
Figure 210-8, Sustainable Development Standards for DO-1, DO-2, DO-3 | |||
|---|---|---|---|
DOZ Requirements | Downtown Incentive Bonuses (DIBs) | ||
DIB1 | DIB2 | ||
Minimum requirement | Attain equivalent of LEED ND Certified (40-49 points) | Minimum requirement to attain equivalent of LEED ND Silver (50-59 points) | |
Indoor water use | 20% below baseline | 20% below baseline | |
Water-efficient landscaping | Reduce potable water consumption for outdoor landscape irrigation by 50% from a calculated midsummer baseline case | ||
Heat island reduction** | 50% of the nonroof site hardscape | ||
"Green" roof for at least 50% of roof area or 75% of roof with low SRI | |||
Parking | DOZ minimum requirements | Provide minimum 3% car sharing | |
Bicycle parking | DOZ minimum requirements | Provide minimum 5% bike sharing | |
NOTES: | |
|---|---|
** Except for approved piazza as public civic space |
Figure 210-12, Table of Permitted Private Frontage Types | |||||||
|---|---|---|---|---|---|---|---|
Permitted Frontage Types | |||||||
Street Types | Store-front* | Urban | Stoop | Porch | Lightwell | Court | Mid-Block |
FR-1 | FR-2 | FR-3 | FR-4 | FR-5 | FR-6 | FR-7 | |
A Street | P | P | P | X | X | P | X |
B Street | P | P | P | P | P | P | X |
C Street*** | P | P | P | P | P | P | P |
* | See Zoning Map Standards § 139-207 to determine where storefront is required | ||||||
P | Permitted | ||||||
X | Not permitted | ||||||
*** | Frontages are deemed to exist on C Streets if and only if the C Street frontage is necessary to fulfill the minimum site frontage requirements for a site. All such frontages shall require a build-to zone and a minimum frontage occupancy associated with their private frontage types. | ||||||
Figure 210-13, Table of Minimum Frontage Occupancy Requirements | |||||||
|---|---|---|---|---|---|---|---|
Minimum Frontage Occupancy Required | |||||||
Street Types | Store-front* | Urban | Stoop | Porch | Lightwell | Court | Mid-Block |
FR-1 | FR-2 | FR-3 | FR-4 | FR-5 | FR-6 | FR-7 | |
A Street | 80% | 80% | 80% | X | X | 80% | X |
B Street | 80% | 60% | 60% | 60% | P | 60% | X |
C Street | 0% | 0% | 0% | 0% | 0% | 0% | 0% |
* | See Zoning Map Standards § 139-207 to determine where storefront is required | ||||||
P | Permitted | ||||||
X | Not permitted | ||||||
NOTE: Residential use not permitted on the ground floor when storefronts are used or required. Common areas of residential and hospitality building such as lobbies, gyms and similar spaces servicing the primary use may occupy the ground floor storefront as long as it complies with the active edge requirements. | |||||||
Edging Elements | ||||||||
|---|---|---|---|---|---|---|---|---|
Frontage Types | Low Wall | Raised Edge | Stairs | Ornamental Fence | Privacy Fence | Planters | Landscaped Edge | |
EE-1 | EE-2 | EE-3 | EE-4 | EE-5 | EE-6 | EE-7 | ||
Storefront | FR-1 | P | P | X | P | X | P | P |
Urban | FR-2 | P | P | P | P | X | P | P |
Stoop | FR-3 | P | P | P | P | X | P | P |
Porch | FR-4 | P | P | P | P | X | X | P |
Lightwell | FR-5 | P* | P* | P* | P | X | X | X |
Forecourt | FR-6 | P | P | P | P | X | P | P |
Service | FR-7 | P | P | P | P | P** | P | P |
Figure 210.J, Table of Building Water Efficiency Baselines | |
|---|---|
National Efficiency Baselines for Commercial Water-Using Fixtures, Fittings and Appliances* | |
Fixtures, Fittings and Appliances | Current Baseline |
Commercial toilets | 1.6 gpf2; except blowout fixtures: 3.5 gpf |
Commercial urinals | 1.0 gpf |
Commercial lavatory (restroom) faucets | 2.2 gpm at 60 psi - private applications only (hotel-motel guest rooms) |
0.5 gpm at 60 psi3 all others except private applications | |
0.25 gallon per cycle for metering faucets | |
Commercial prerinse spray valves (for food service applications) | Flow rate < 1.6 gpm (no pressure specified; no performance requirement) |
National Efficiency Baselines for Residential Water-Using Fixtures, Fittings and Appliances* | |
Residential toilets | 1.6 gpf4 |
Residential lavatory (bathroom) faucets | 2.2 gpm at 60 psi |
Residential kitchen faucet | |
Residential showerheads | 2.5 gpm at 80 psi per shower stall5 |
NOTES: |
|---|
* Adapted from information developed and summarized by the U.S. EPA Office of Water. |
2EPAct 1992 standard for toilets applies to both commercial and residential models. |
3In addition to EPAct requirements, the American Society of Mechanical Engineers standard for public lavatory faucets is 0.5 gpm at 60 psi (ASME A112.18.1-2005). This maximum has been incorporated into the national Uniform Plumbing Code and the International Plumbing Code. |
4EPAct 1992 standard for toilets applies to both commercial and residential models. |
5Residential shower compartment (stall) in dwelling units: The total allowable flow rate from all flowing showerheads at any given time, including rain systems, waterfalls, bodysprays, bodyspas, and jets, shall be limited to the allowable showerhead flow rate as specified above (2.5 gpm) per shower compartment, where the floor area of the shower compartment is less than 2,500 square inches. For each increment of 2,500 square inches of floor area thereafter or part thereof, an additional showerhead with total allowable flow rate from all flowing devices equal to or less than the allowable flow rate as specified above shall be allowed. Exception: Showers that emit recirculated nonpotable water originating from within the shower compartment while operating are allowed to exceed the maximum as long as the total potable water flow does not exceed the flow rate as specified above. |
Roof Type | Slope | SRI | |
|---|---|---|---|
Low - Sloped Roof | < 2:12 | 78 | |
Steep - Sloped Roof | > 2:12 | 29 |