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HomeMy WebLinkAbout2007-06-07 BRAA Ltr to OPH2335 Highway 36W St. Paul, MN 55113 Tel 651- 636 -4600 Fax 651- 636 - -1311 www,bonestroo.com June 7, 2007 A r Bonestroo Mr. Eric Johnson City Administrator City of Oak Park Heights 14168 Oak Park Blvd., P.O. Box 2007 Oak Park Heights, MN 550822007 Re: Goodwill Plans Issued for Construction — March 8, 2007 Bonestroo file No. 55 -07 -000 Dear Eric: Y 4' V . I. L� G We have reviewed the Construction Plans for Goodwill as submitted by Folz, Freeman, Erickson, Inc. on May 7, 2007, Following are our comments and/or recommendations. Chnn+ r 1 1 1. At the driveway entrance the removal note for the sidewalk should be changed to bituminous pathway. 2. An existing hydrant is located on the south side of the driveway entrance. Make a note to protect existing hydrant. c 1-, -t f, + r -) 1 1. Concrete pedestrian ramps with truncated domes shall be constructed on each side of the driveway entrance, 2. A commercial concrete driveway apron is required at the entrance. As discussed with the owner a curb cut will be placed at this location. Rebar shall be used to tie the concrete driveway apron into the curb cut. 5t. Paul 5t. cloud Rochester Milwaukee Chicago City or Oak Park Heights Goodwill C h ant (_,� ) Page 2 b -7 -D7 1 . Detailed design drawings and calculations for the retaining walls signed by an engineer licensed in Minnesota shall be submitted to the City for review and approval prior to construction. 2. Perm ission/easement from XCEE will be required for the minor grading on their property. Provide the city with a copy of this permission /easement agreement, chant rn 1 1 All 12" and 1 5" RCP shall be class 5. 2. The 4" FVC pipe in the in i filtration basins should be tailed out as perforated pipe. 3. CBMH 4 is called out as a 48" diameter structure. The top of the 24" pipe to the south and the bottom of the 15" pipe to the east will be in conflict with a 48" diameter structure. It appears this structure needs to be increased to a 6'0 diameter. 4. CBMH 9 in the northwest corner has a future storm sewer extened to the northwest. will CBMH 9 have a hole bulkheaded for this future pipe? Or will a new hole be made with the future connection? 5. Provide rational sheet calculations for the design of the storm sewer. 6. Insulate all storm sewer /water main crossings. 7. The connection to the existing sanitary manhole shall be core drilled. The pavement section for the patching is called out as C7.1. (In this set of plans there are duplicate detail sheets, C5.1- C5,3 and C7.1 — C7.3) 8. Verify that the hydrant detail/ specs call out the following information. Fire hyrlrantc shall inr r an AF( - �,I aterous storz N0771e • The hydra nj i 11,n ❑ 1 a s ✓ � {! i 1 4 �J 1 • 4 L i � 4. G. h: 4 • 4 � � ti.rj r - r 1 �r L.. f shall be of one -piece design, compatible with a 5" Storz hose coupling. The nozzle shall be an integral part of the fire hydrant and must be furnished by the manufacturer or authorized distributor designated by the manufacturer. Storz adapters will not be accepted. General Comments 1, Provide the City with a copy of the approval letter from the Middle St. Croix water Management Organization, City or Oak Park Heights Goodwill Pa 3 If you have any questions or require additional information, please contact meat(8S1)GO4-478QorDennis PosderetAS51\6O4~4815. Sincerely, BONESTROO A l - Karen S. Erickson, P.E. cc TomOzzeUo, Public Works Director Jim Butler, Building Official Scott Richards City Planner Mark Vler|ing, City Attorney Todd Erickson, FFE Inc. DMP, 8MK. [VVLong Fi|e — Bonestroo