01-18-2005 Planning Commission Packet

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Jan 12 2005 8: 3E B�NESTR�O ROSENE RNDERLIK fi516361311 p. 3 2335 West Highway 3G • St. Paul, MN 55113 � �Bonestroo Rosene Office:651-636-4G00 • Fax:G51-63G-1311 �°°"°` ��Anderlik& www.bonestroo.com Associates Engineers&Architects January 11, 2005 Mr.Mike Gaffron Planning Director City of Orono Post Office Box 66 Crystal Bay, MN 55323 Re: Stonebay Lofts File No. 139-OS-000 Plat No. OS-3081 Dear Mike: � We have reviewed the revised plans for the proposed Stonebay Lofts Development. The site is located along the westerly side of the Stonebay subdivision north of Kelley Parkway and adjacent to the City's Public Works Building. We have the following comments with regards to engineei7ng matters: • Sheet C3.1 shows proposed reta.ining wall construction at the underground parking entrance. This wall shown exceeds 8-feet in height. All retaining walls that exceed 4-feet in height require a separate engineered design and detail submittal for review and approval. • The revised plans show only one access to the underground parking,wh ereas the previous submittal had two. We would recornmend that a second access to the underground parki.ng be added. • Stop signs should be added for outbound traffic from the underground parking. • The plans should include a pedestrian crossing sign at the crossing shown near the middle of the outdoor parking area. • The applicant should provide the City with the project SWPPP for the Phase II Construction Site Peirnit and a copy of the Notice of Coverage Cert�cate prior to starting work on site. • The grading plan should include erosion and sed'unent control details and notes. Items such as fiber blanket installation and location, inlet protection, stockpile locations, silt fence maintenance requirements, construction entrances, and any other issues relating to erosion and sedi.ment control should be clearly shown on the final plans. • The final plans should identify the name and phone number for engineering contact person regarding erosion and sed'vnent control issues. � The 3-foot wide sidewalk on the west side of the building is a drainage way. ' • The applicant should provide calculations justifying that the 6-iuch sanitary and water services are adequate for the proposed building. - + Final plans should include provisions for managing sump pump and roof drain water. • Parking lot and new roadways are to have 8618 curb and gutter • Plans should be submitted to the fire marshal for review of fire hydrant coverage and fire vehicle access to the site, • If patios instead of balconies are installed on the ground level, the grading plan should be revised to eluninate Yhe steeper slopes currently shown along the north side of the building. ■ St. Paul, St. Cfoud, Rochester, Wilimar, MN • Miiwaukee, WI ■ Chlcago, IL Afflrmative Actlon/Equal Opportun�ty Employer and Employee Owned . . .. . . . . . , . . � . . . � , � . . . . . � ' . i. . .. . _ . , . . . � • . .