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Grimes City Zoning Code

12-12 Bulk

Regulations

12-12-1 Bulk Regulations Table:

Bulk Requirements
Zoning districtsMax DU/ACMax Bldg. Ht./Max No. of StoriesMin. Lot AreaMin. Lot WidthMin. SetbacksMin. Percent Greenspace Required
PrimaryAccessorysq ftftFrontSide/SumRear
ft/eachft/eachft1 ½ Stories2-3 Storiesft
ftft
Single-Family Dwelling
A-10.1NANA43,56013307510/3015/3575NA
R-13.535/315/111,00075357/1410/2023540
R-24.535/315/18,50070307/1410/2022540
R-2 705.035/315/18,50070307/1410/202,42540
R-2 606.035/315/17,500603307/147/1522540
  1. 1.
    Min. area for single-family (non-farm) dwellings is 10 acres.
  2. 2.
    Churches and schools shall have min. side setback of 40 ft on each side.
  3. 3.
    Max. of 25% of lots can be 65 feet or greater per plat (excluding corner lots).
  4. 4.
    If 50% or more of the lots submitted on a preliminary plat have a lot width greater than or equal to 75 feet – the side yard setback for 50% of the lots on said plat shall be a minimum of 8 feet, 17 feet composite. The remaining lots on said plat shall be a minimum of 10 feet, 20 feet composite. Setbacks shall be indicated on each lot at time of plat submittal. If 50% or more of the lots submitted on a plat have a lot width greater than or equal to 80 feet – the side yard setback for 100% of the lots on said plat shall be a minimum of 8 feet, 17 feet composite. Corner lots shall not be included in the calculation in either determining lots greater than 75 feet or 80 feet or in the total lots in the plat when calculating the percentages to determine if 50% of the lots qualify for 8 feet, 17 feet composite setbacks.
Two-Family Dwelling
R-28.735/315/11,00080307/147/1512540
R-2 708.735/315/11,00080307/1410/201,22540
R-2 608.735/315/11,00080307/147/1512540
R-3 MED10.240/315/18,50070307/1415/303040
R-3 HIGH10.250/415/18,500200307/1420/403040
  1. 1.
    Churches and schools shall have min. side setbacks of 40 ft on each side.
Multiple-Family Dwelling*
R-3 MED8.040/315/180,000200307/1415/303040
R-3 HIGH16.050/415/180,000200307/1420/403040
* Bulk requirements are applicable to the development site. For multiple-family dwellings refer to Section 12-12-2 Internal Bulk Requirements Table. Minimum lot area is only applicable if lot is subdivided.
Bulk Requirements
Zoning districtsMax DU/ACMax Bldg. Ht./Max No. of StoriesMin. Lot AreaMin. Lot WidthMin. SetbacksMin. Percent Greenspace Required
PrimaryAccessorysq ftftFrontSide/SumRear
ft/eachft/eachft1 ½ Stories2-3 Storiesft
ftft
Single-Family Dwelling
A-10.1NANA43,56013307510/3015/3575NA
R-13.535/315/111,00075357/1410/2023540
R-24.535/315/18,50070307/1410/2022540
R-2 705.035/315/18,50070307/1410/202,42540
R-2 606.035/315/17,500603307/147/1522540
  1. 1.
    Min. area for single-family (non-farm) dwellings is 10 acres.
  2. 2.
    Churches and schools shall have min. side setback of 40 ft on each side.
  3. 3.
    Max. of 25% of lots can be 65 feet or greater per plat (excluding corner lots).
  4. 4.
    If 50% or more of the lots submitted on a preliminary plat have a lot width greater than or equal to 75 feet – the side yard setback for 50% of the lots on said plat shall be a minimum of 8 feet, 17 feet composite. The remaining lots on said plat shall be a minimum of 10 feet, 20 feet composite. Setbacks shall be indicated on each lot at time of plat submittal. If 50% or more of the lots submitted on a plat have a lot width greater than or equal to 80 feet – the side yard setback for 100% of the lots on said plat shall be a minimum of 8 feet, 17 feet composite. Corner lots shall not be included in the calculation in either determining lots greater than 75 feet or 80 feet or in the total lots in the plat when calculating the percentages to determine if 50% of the lots qualify for 8 feet, 17 feet composite setbacks.
Two-Family Dwelling
R-28.735/315/11,00080307/147/1512540
R-2 708.735/315/11,00080307/1410/201,22540
R-2 608.735/315/11,00080307/147/1512540
R-3 MED10.240/315/18,50070307/1415/303040
R-3 HIGH10.250/415/18,500200307/1420/403040
  1. 1.
    Churches and schools shall have min. side setbacks of 40 ft on each side.
Multiple-Family Dwelling*
R-3 MED8.040/315/180,000200307/1415/303040
R-3 HIGH16.050/415/180,000200307/1420/403040
* Bulk requirements are applicable to the development site. For multiple-family dwellings refer to Section 12-12-2 Internal Bulk Requirements Table. Minimum lot area is only applicable if lot is subdivided.

Effective on: 1/1/1901

12-12-2 Internal Bulk Requirements Table:

District R-3 Medium and District R-3 High Internal Bulk RequirementsStandard
Min. separation between principal buildings.16 ft
Min. separation between principal buildings when that wall surface is the only source of light and air for the living unit.30 ft
Min. separation between principal and accessory buildings.10 ft
Max. accessory structure height.20 ft
Min. separation between garage and edge of common drive (driveway approach).25 ft
Min. lot area per unit.500 sq ft
Trash and recycle containers and enclosures.1 
Min. amount of greenspace expressed as a percent of total site area.40%
Min. area provided for tot lots (or playground area).2 
Min. amount of outdoor lighting.2 
Min. PCC sidewalk width.4 ft
Min. PCC sidewalk area.2 
Air conditioners and mechanical equipment shall be screened from public right of way.2 
Min. number of on-site parking spaces.2 
Min. access drive width with no parking allowed on drive.24 ft
Min. access drive width with parking allowed on drive.26 ft
Standard parking stall dimensions.9 ft x 19 ft
Alternative parking stall dimensions with 2 ft overhang.9 ft x 17 ft
Max. access drive length without turnaround.3150 ft
Max access drive length with turnaround.3600 ft
Min. turning radius on access drive.445 ft
Min. PCC pavement thickness for access drives.46 in
Min. HMA pavement thickness for access drives.47 in
All access drives shall be constructed with permanent PCC curb and gutter.2 
  1. 1.
    All trash and recycle containers and enclosures shall be located within an enclosed masonry area with a surrounding wall at least 6 feet high and no higher than 8 feet, with appropriate solid gate. The gate shall not be visible from the public street and shall be constructed with metal posts to withstand heavy use. The enclosure shall be consistent in architecture with project in which it is located.
  2. 2.
    The adequacy of this requirement shall be determined during the review of the site plan.
  3. 3.
    Access drives may exceed 150 feet in length if the design includes turnaround arrangements, or emergency only access arrangements, to the satisfaction of the Fire Department and the City.
  4. 4.
    Alternative pavement design options for access drives may be approved by City Engineer.
The City Council reserves the right to waive or modify to a lesser restriction any provision or requirement provided in this Chapter, provided said waiver or modification does not adversely affect the intent of these requirements to adequately safeguard the general public and surrounding property.
District R-3 Medium and District R-3 High Internal Bulk RequirementsStandard
Min. separation between principal buildings.16 ft
Min. separation between principal buildings when that wall surface is the only source of light and air for the living unit.30 ft
Min. separation between principal and accessory buildings.10 ft
Max. accessory structure height.20 ft
Min. separation between garage and edge of common drive (driveway approach).25 ft
Min. lot area per unit.500 sq ft
Trash and recycle containers and enclosures.1 
Min. amount of greenspace expressed as a percent of total site area.40%
Min. area provided for tot lots (or playground area).2 
Min. amount of outdoor lighting.2 
Min. PCC sidewalk width.4 ft
Min. PCC sidewalk area.2 
Air conditioners and mechanical equipment shall be screened from public right of way.2 
Min. number of on-site parking spaces.2 
Min. access drive width with no parking allowed on drive.24 ft
Min. access drive width with parking allowed on drive.26 ft
Standard parking stall dimensions.9 ft x 19 ft
Alternative parking stall dimensions with 2 ft overhang.9 ft x 17 ft
Max. access drive length without turnaround.3150 ft
Max access drive length with turnaround.3600 ft
Min. turning radius on access drive.445 ft
Min. PCC pavement thickness for access drives.46 in
Min. HMA pavement thickness for access drives.47 in
All access drives shall be constructed with permanent PCC curb and gutter.2 
  1. 1.
    All trash and recycle containers and enclosures shall be located within an enclosed masonry area with a surrounding wall at least 6 feet high and no higher than 8 feet, with appropriate solid gate. The gate shall not be visible from the public street and shall be constructed with metal posts to withstand heavy use. The enclosure shall be consistent in architecture with project in which it is located.
  2. 2.
    The adequacy of this requirement shall be determined during the review of the site plan.
  3. 3.
    Access drives may exceed 150 feet in length if the design includes turnaround arrangements, or emergency only access arrangements, to the satisfaction of the Fire Department and the City.
  4. 4.
    Alternative pavement design options for access drives may be approved by City Engineer.
The City Council reserves the right to waive or modify to a lesser restriction any provision or requirement provided in this Chapter, provided said waiver or modification does not adversely affect the intent of these requirements to adequately safeguard the general public and surrounding property.

Effective on: 1/1/1901