14.34.340 Twin Home Development Standards.
(1) Twin Home developments shall be allowed as conditional uses in the R2 zone. However, if the development exceeds three (3) acres in the R2 zone, it shall be treated as a Performance Development, subject to all the requirements of Chapter 14.31, Provo City Code, Performance Developments.
(2) Because twin homes are attached on a common lot line, dwellings shall be designed and built in pairs.
(3) Lot Area. Each lot in the R2 zone shall have an area of not less than four thousand (4,000) square feet, unless otherwise approved by the Planning Commission.
(4) Lot Width and Frontage. Each lot shall have an average width of not less than thirty-five (35) feet in the R2 zone (forty-five (45) feet on corners). A non-rectangular lot on a cul-de-sac turnaround or on the outside radius of a street curve with a radius of not more than fifty (50) feet shall have a street frontage of not less than twenty (20) feet.
(5) The use of flag lots may be encouraged on deep lots with very narrow frontage.
(6) Dwelling Floor Area. Each dwelling shall have a ground floor area not less than the standards contained in Section 14.34.310(11), Provo City Code.
(7) Dwelling Height. No dwelling structure shall exceed two and one-half (2 1/2) stories or thirty-five (35) feet in height.
(8) Yard Requirements, Setbacks.
(a) Front Yard. Each lot shall have one (1) front yard setback of not less than twenty (20) feet, unless otherwise approved by the Planning Commission.
(b) Rear Yard. Each lot shall have one (1) rear yard setback of not less than twenty (20) feet, unless otherwise approved by the Planning Commission.
(c) Side Yard. Each lot shall have one side yard of not less than ten (10) feet in the R2 zone.
(9) Off-street Parking.
(a) Each dwelling shall have not less than two (2) off-street parking spaces, at least one (1) of which is within a carport or fully enclosed attached garage. A freestanding garage or carport does not meet this requirement.
(b) Garages and carports shall be located to provide a paved driveway of not less than eighteen (18) feet in length as measured from the inside edge of the public sidewalk to the garage door, or carport supports.
(10) The center wall between the dwelling units shall be on the property line and shall be designed and constructed for sound proofing with a minimum sound isolation requirement (STC) of 50.
(11) A masonry wall or approved decorative fence or hedge may surround each pair of lots in accordance with the fencing provisions of the underlying zone. Said wall, hedge or decorative fence may include front and rear yard dividers. The rear yard may be divided by a sight obscuring fence, wall or hedge.
(12) To the greatest extent possible, designers of twin homes should strive for a one-family detached appearance. Instead of looking like a duplex, where each unit mirrors the other, the homes should be designed so that they have the appearance of one (1) large unit. This can be accomplished by separating the entrance of one (1) unit from the entrance to the adjacent unit, or by utilizing grade changes and roof line variety.
(13) Development plans shall include a landscaping plan for the front yards, which shall be installed by the developer.
(14) Each side of the twin home shall be separately metered for water and power. And building drains shall be separate as they leave the building.
(15) Application for Conditional Use Permit shall be made as per 14.02.040, and plans shall undergo administrative project plan review as per 14.02.090.