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HomeMy WebLinkAbout2018-05-03 Stantec Plan & Drainage Design Review Stantec Consulting Services,Inc CIO2335 Highway 36 West,St.Paul MN 55113-3819 Stantec May 3,2018 File:193800151 Attention: Mr.Eric Johnson,City Administrator City of Oak Park Heights 14168 Oak Park Blvd.N.,PO Box 2007 Oak Park Heights,MN 55082-2007 Reference: Public Storage-Plan and Drainage Design Review Dear Eric, We have reviewed the preliminary plans submitted regarding the proposed improvements to the Public Storage site.Final review will be provided when final plans are submitted. Following are our comments and recommendations: Sheet C1.1-Site Plan 1. Are there any areas of heavy duty paving as referenced on the site details sheet C1.3? 2. Note#8 should include"truncated dome"as part of the warning strip description. 3. Note#10,spelling of"stripe". 4. There is no note in the site schedule for the depressed curb and gutter. Sheet C1.3-4-Site Details 1. Is it the intent that the site detail numbers correspond with the site schedule numbers on the site plan sheet C1.1? Some correspond in that way and some don't,it may be clearer for the contractor if they matched. 2. There does not appear to be any"catch curb"indicated on the site plan,shown in detail #8. 3. There does not appear to be a detail for the depressed curb and gutter. Sheet C2.1-Grading Plan 1. Add to note#7-"The contractor,at a minimum,shall remove any deposited sediments from the surrounding public streets at the end of each work day. Large deposits need to be removed immediately." 2. Note#11 refers to a storm system and stormwater detention facility. 3. Note#14 refers to storm water plans. 4. Note#17 refers to a stormwater detention basin at an elevation of 5428. 5. In larger rain events,runoff may tend to leave the confines of the 2-foot cross pan, particularly in the areas where the water will need to turn a corner to stay within it. Ensure that those areas are adequately established with turf so that erosion does not become an Design with community in mind May 3,2018 Eric Johnson,City Administrator Page 2 of 3 Reference: Public Storage-Plan and Drainage Design Review issue. Provide the same in the area where the cross pan discharges on the south side of the site. Sheet C3.1-2-Erosion Control Plan 1. All erosion control practices need to be in accordance with all requirements of the Brown's Creek Watershed District and the approved SWMP. 2. Add to Note #1 - "Any sediment deposited in the surrounding public rights of way or adjacent properties shall be removed by the end of each day. Large deposits shall be removed immediately.The contactor shall respond to remove any sediment on the weekends as necessary." 3. See note #5 under the Grading Plan comments. 4. The City reserves the right to require additional erosion control measures as deemed necessary. Sheet C4.1 -Utility Plan 1. Provide to the City the final documentation regarding the abandonment of the well and septic system. 2. Note #5-Cover over water lines needs to be a minimum of 7.5-feet. 3. Notes #15 and #20-The City requires ductile iron pipe for the watermain. 4. Note #18 refers to a storm water plan. 5. Clarify what is proposed for the watermain that is shown running north-south through the site that is connected to the hydrants that are being removed. 6. Provide details for the utility construction items, hydrants, valves, bends, fittings, thrust blocking, manholes, connections, etc. All watermain and related appurtenances shall be per City standards and details. City detail plates will be provided. 7. Connections to the City's water and sanitary sewer systems will be coordinated with and approved by the City's representative(s). 8. Remove notes that are not applicable. Stormwater Drainage Review 1. Provide the City with documentation of the conditions and approval from Brown's Creek Watershed District. 2. The limits of the wetlands on the west end of the site need to be verified. Design with community in mind May 3,2018 Eric Johnson,City Administrator Page 3 of 3 Reference: Public Storage-Plan and Drainage Design Review General Comments 1. The City reserves the right to inspect the construction of the project. The City or its designee shall be present for water and sanitary sewer service connections to the City's systems. 2. The Owner will need to comply with all requirements of the NPDES Construction Stormwater Permit and the Brown's Creek Watershed District. The City reserves the right to require additional erosion control measures as determined/necessary during the construction of the project. 3. Parking, lighting, landscaping and building improvements to be reviewed by others. 4. The Owner shall be responsible for obtaining all required permits. 5. Utility construction and improvements in the right-of-way need to conform to the City's Standard Detail Plates. The City's details will be provided upon request. If you have any questions or require further information, please do not hesitate to contact me. Regards, Stantec Consulting Services Inc Lee Mann, PE City Engineer Phone:651-604-4850 Lee.Mann@Stantec.com c. Andy Kegley, Public Works Director Julie Hultman, Building Official Scott Richards, City Planner Mark Vierling, City Attorney Lisa Danielson, City Arborist Design with community in mind Julie Hultman From: Eric Johnson Sent: Thursday, August 16, 2018 11 :15 AM To: Julie Hultman Subject: FW: Public Storage Oak Park Heights Review letter Attachments: Johnson_mann_05032018_PublicStorage_review.pdf Follow Up Flag: Follow up - Flag Status: Completed For public storage file Eric From: Mann, Lee <Lee.Mann@stantec.com> Sent: Thursday, August 16, 2018 9:36 AM To: adamkoester@gallowayus.com Cc: Eric Johnson <eajohnson@cityofoakparkheights.com> Subject: Public Storage Oak Park Heights Review letter Here you go. MN, WI, CA Principal Direct: 651 604-4850 Mobile: 651 775-5956 Lee.Mann@stantec.com Stantec 2335 Highway 36 West St. Paul MN 55113-3819 US Stantec The content of this email is the confidential property of Stantec and should not be copied, modified. retransmitted, or used for any purpose except with Stantec's written authorization. If you are not the intended recipient. please delete all copies and notify us immediately. 1