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. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2006 PAVEMENT MANAGEMENT PROGRAM consulted on the street width and are also of the opinion that 22 feet will be adequate for their purposes. The Council may consider declaring "no parking" for one side of the neighborhood streets to ensure that emergency access and overall vehicular movement are not impaired when cars are parked directly opposite of each other. CURB AND GUTTER DISCCSSION The proposed improvements include concrete curb and gutter on Siems COUlt, Ridgewood Road, Arden Place and Skiles Lane per City standards for reconstruction. The City guidelines allow for the use of three types of curb: 4 inch batTier, 6 inch barrier or 4 inch surmountable. City staff generally prefers 6 inch barrier curb for maintenance purposes. Most of the neighborhood C1ltTently has no curb with the exception of broken bituminous curb in various locations. All roadway will have a crowned cross section with 2% slope on either side with the exception of the follow roadway segments: (1) Siems Court, from Lake Johanna Blvd to Arden Place; (2) Arden Place, from Siems Court to Ridgewood Road; and (3) Ridgewood Road, from 400 feet south of Lake Johanna Blvd to Arden Place. On these segments, the road will have a 2% grade straight across the road making one side of the street approximately 6" higher than the other. The straight cross slope will help "fit" into the existing topography of the neighborhood along these roadway sections and minimize changes to existing driveway grades. The upslope side of the road is intended to keep minor boulevard and yard runoff in the gutter from trickling across the roadway, especially during winter months. Construction of valley gutters and driveway aprons will improve runoff along street edges and prevent flow into private driveways and yards. Residents have expressed an interest to retain the neighborhood's natural appearance and have expressed concern over white curb. We have identified two options for Council consideration that would help address the concern expressed by some residents regarding the curb appearance. Curb Option 1 . Exposed Aggregate - Council could consider this altemati ve to standard curb which will soften the overall curb appearance in the neighborhood. Exposed aggregate would add approximately $65,000 to the overall project cost. The additional cost would be 100% assessed. Curb Option 2 . Colored Curb - Council could consider this alternati ve to standard curb which will soften the overall curb appearance in the neighborhood. Colored curb would add approximately $130,000 to the overall project cost. The additional cost would be 100% assessed. SIEMS COURT RETAINI1>iG WALL DISCUSSIOi\ Wall Option 1: Leave retaining wall as is. As a patt of this option the wooden retaining wall along Siems COUlt will remain as is but the bituminous road that connects the two driveways on the west side of the wall would be removed. This segment of roadway is partly within City ROWand removing it will free the City from any maintenance and operations responsibility for it. The two driveways to the south of the retaining wall and the one driveway to the north will be reconstructed to match the proposed Siems Court that will follow the existing road east of the retaining wall. Leaving the wall will reduce the overall construction cost and wouldn't jeopardize the existing trees within the wall perimeter. Option 1 would be less disruptive to the URS 8