Driveway improvements should be extended and connect directly to the street surface. All required off-street parking shall be provided with driveway access to a street or road in accordance with the standards of this section:

Where drainage detention basin(s) are not provided by or as part of subdivision approval, all developers of multi-family and non-residential structures proposing the installation of more than 7,000 square feet of impervious surface shall mitigate the drainage impacts of such development, as follows:

A.    Drainage Detention Basin

A detention basin shall be provided where necessary, to limit post development flows to pre-development flow rates. Such basin(s) shall be capable of handling the calculated difference between historic flows and the anticipated post-development 100-year frequency storms for maximum period of intensity over the entire drainage basin in which the proposed structure is to be located.

B.    Design

Drainage improvements shall be designed in accordance with the Design Standards recommended by the Spanish Valley Master Storm Water Management Plan, as amended, and subject to the approval of the County Engineer:

1.    The County may require that a Utah-registered engineer design drainage improvements.

2.    Adequate provision for short- and long-term ownership, maintenance and operation of the storm water management system shall be required.

3.    Where water velocities may reasonably be expected to cause erosion problems, satisfactory means shall be provided to prevent such erosion. Culverts shall have concrete head walls and wing walls where conditions require.

4.    Water supply systems and sanitary sewage systems shall be designed to minimize or eliminate infiltration of floodwaters.

Housing is considered to be affordable when 30 percent or less of total household income is spent on all housing costs, including mortgage or rent, taxes, insurance, utilities, and HOA fees where applicable. In some developments, it may be practical to limit all housing costs to less than 40 percent of total household income. Housing may also be considered affordable when a household’s residual income – what is left over after paying all housings costs – can cover essential nonhousing expenditures, including food, clothing, transportation, healthcare, and others.

All development approved for affordable housing purposes shall comply with the following standards:

A.    Occupancy of such units shall be restricted to a minimum of 30 days.

B.    Such units shall be deed restricted as to use and occupancy, based on criteria to be defined by the County Commission and as amended from time to time. At a minimum, such use and occupancy restriction shall limit occupancy to persons who are employed within the boundaries of Grand County or, if retired, were previously employed in the County for at least three years; earn or earned (applicable only to retired persons) at least 80 percent of their household income from employment within Grand County during those three years; and occupy the unit as their primary residence.

C.    The County Commission may impose additional restrictions, such as limitations on income relative to median family income (MFI) for Grand County as determined by the Department of Housing and Urban Development (HUD), area median income (AMI) as defined by the Census, or median wage as defined by the Utah Department of Workforce Services, and household net worth as necessary to achieve the purposes of this district.

D.    The County Commission, or its designee, shall approve or otherwise qualify all occupants prior to any employee unit sales, rental or occupancy.

E.    The County Commission, or its designee, shall approve the deed restriction prior to any unit sales, rental or occupancy.

[Ord. 545, 2016.]