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HomeMy WebLinkAbout2007-06-28 BRAA Ltr. to OPH2335 Highway 36 St. Paul, MN 55113 Tel 651-636-4600 Fax es1-63 6-1311 June 28 490 Ir Bonestroo Mr. Eric Johnson City Administrator City ofOak Park Heights Oa Park Blvd., P.0, Box 2007 Oa P-afEH-ei MN 550.82-2007 Cit of Oak Park Hei L Bonestroo file No. 55-017-0 &1 �\ Y, `^ We have rev the Site Development Plans for Bremer Bank as submitted by Welman Sperides Architects, LLC on June 20, 2007. Followin are our comments and/or recommendations, 1 The development is constructing the drive thru lane and storm sewer within the Cit utili easement and over the existing trunk sanitary sewer and water main. Ifin the future the City eve needs to replace/repair/maintain the trunk utilities the development will be responsible to repair all of their items in the easement including, but not limit to pavement, curb and gutter, landscaping and storm sewer/catch basin. 2. At crit areas such as the dri vewa y apnons and grade breaks add the percent of slope at the drainage arrows. 3. Spot elevations should be added to the trash enclosure, 4. The e|eva the concrete drive thmisnoi clearly Identified on1heplans. Spot elevations should be placed at each corner to show the g rade of the concrete pad. 5. Identify grades on the west side of the property in the landscaped area. Sheet C2 1. Ve the structure size of[82. |t appears the top of the 18 inch pipe to the south will bein conflict with the bottom of the 15 pipe to the southwest. St. Paul St. Clou Rochester Milwaukee Chicago City of Oak Park Heights Bremer Bank Page 2 June 28, 2007 2. It is assumed that the canopy for the drive thru will have footings five feet deep, If in the future the water main requires repair in this area the footings for the canopy may be undermined. Research the possibility of placing the water main more than 5 feet from the canopy. 3. Contact Alliant Engineering to verify the water main stub from the south that is identified by keynote number 2. The construction plans at our office for this development does not identify a water main stub at this location. 4. Contact Alliant Engineering to verify the sanitary stub from the north that is identified by keynote number 1. The construction plans at our office for this development does not identify the sanitary sewer stub at this location. 5. Insulation shall be placed at all storm sewer /water main crossings. Sheet C3 1. The detail sheet appears to have details that will not be used. For example there was no call out for a wet tap on the utility sheet. In addition, there are details that are missing such as a 2 x 3 box structure that is called out on sheet C2 for structure C135. 2. A typical section for the concrete drive apron should be added to detail 13. 3. Detail 4 is a storm manhole with a 27" opening. This structure should be revised to accommodate the Neenah casting 83067 as called out on sheet C2. 4, Add a detail showing the section for the concrete pad at the drive thru. 5. A detail is required showing the drive thru islands. Sheet C4 1. Submit rational design calculations for the storm sewer. Shopt ❑ l n 1, To minimize turning movements on the thru street for the overall development it is recommended that the east driveway is narrowed and restricted to "in" movements only_ This entrance should be signed appropriately. 2. There is a large radius on the northwest side of the drive thru lane that creates a bituminous bump out. Is this additional bituminous really required? 3. The radius in the northeast corner appears small, Verify that all vehicles using the drive thru lane are able to make the radius. 4. There is only 3' between the northerly drive thru lane and the existing bike path. It is recommended that the site plan is revised to provide more distance between the bike path and the drive thru lane. City or Oak Park Heights Bremer Bank Page 3 June 28, 2007 5. The existing bike path on the east side of the property should be shown on the drawings. The pathwa is on the plans on sheet C I - 6. Reference the detail locations on the keynotes. 7. Identif the size and color for the pavement markin General Comments I , Provide the Cit with a cop of the approval letter from the Browns Creek Watershed District. If you have any questions or require additional information, please contact me at /651\ 604~4788 or Dennis Postler at (651) 604-4815. BONESTROO / Karen S. Erickson, P, E. cc: Tom OzzeUo Public Works Director Jim Butler, Building Official Scott Richards, City Planner K4arkVleding City Attorney Eric Reiners DMP BMK,[VVL2 Fiie — Bonestroo