Staff recommends approval with the following conditions: 1) the landing in front of the building to be treated lumber or composite boards to mimic wood; 2) the structure be shortened and/or moved to one side so that it doesn't expand across the entire width of the back yard; 3) the fence be of vertical wood boards; and 3) the fence be lowered to 42" in height where it extends toward the front wall of the house, beyond the rear plane of the house.
ACCESSORY STRUCTURE
The proposed structure is a 525 sf accessory building. The primary structure for the building will be 2x4 wood-stud framing on at-grade concrete slab foundation. The building will be covered by a shed roof sloping at 2:12 and will be finished with asphalt roofing shingles to match the existing
residence. The roof structure will have exposed rafter tails and eave overhangs. The exterior walls are to be cladded using 4-inch fiber cement board siding. Corners, window and door openings will be trimmed using fiber cement board. All doors, door frames and window frames are to be wood construction. The doors will be built with visible cross-bracing and angle-bracing. Gutters and downspouts along the rear of the building to match that of the existing residence in color, finish and shape. A pervious gravel walkway will be installed in front of the structure. The front landing or pad underneath the overhang of the building is proposed to be either concrete or composite board material.
FENCE
In addition, we propose to add an 8- foot tall fence around the back yard to include the side yard up to the front of the house, but not extend beyond the front of the house. The fence will be made of horizontal cedar planks that are between 2 and 6 inches wide. The fence will have small gaps between the horizontal planks.
Two-story frame with weatherboard wall-covering. Hip-roof with lower cross-gables and asphalt shingles, multi-patterned imbricated shingles and stylized keyhole window in gable end. Double-hung one-over-one windows, paired on front projection with arched wood lintels with diamond=-shaped wood trim applied in arch. One-story wrap-around front porch and round replacement columns. Interior offset brick chimney. Brick foundation. Irregular plan. (contributing)
1) The exposed outbuilding features traditional doors with crossbracing, shed roof, and exposed rafters to allude to a chicken coop. The rectangular shape also alludes to the shape of a chicken coop.
2) The dimensions of the fiber cement board siding are compatible with that of the wood siding on the house.
3) The clerestory windows are a modern interpretation of those that would have been utilized on a chicken coop.
4) The location is in the rear portion of the rear yard, but extends nearly the entire width of the yard which is not r historically typical.
5) The design guidelines list wood windows as appropriate for accessory structures in the district.
6) The fence will be visible from the public right-of-way since it will include the side yard.
7) The guidelines state that fences in areas visible from the streets of the neighborhood should not be more than 42 inches (3.5 feet) tall.
8) There are ways to reduce the impact of an 8-foot-tall fence with fence toppers as shown in the attached googled images.
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Knoxville-Knox County Planning
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