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Home My WebLink About10.C.4. Consideration of Drainage Solution for Valley Creek Crossing Block 3 0. C . L. CITY OF SHAKOPEE Memorandum TO: Mayor & City Council Mark McNeill, City Administrator FROM: Bruce Loney, Public Works Director SUBJECT: Consideration of Drainage Solutions for Valley Creek Crossing Block 3 DATE: October 16, 2012 ACTION SOUGHT: For City Council to approve a drainage solution for Valley Creek Crossing Block 3 and approve a cost participation between the City and the residents. INTRODUCTION: On August 21, 2012 residents from Valley Creek Crossing Block 3 approached the City Council on a drainage issue in the neighborhood. Council directed staff to study the issue and bring forward this item at a future meeting. BACKGROUND: Valley Creek Crossing is a recent subdivision located west of CR 17 and north of CR 78. Residents along the south side of Evergreen Lane from Autumn Hill Park to Halli Road have been experiencing high ground water table on their lots which affect their turf areas on their properties and cause their sump pumps to run continuously. At the August 21 2012 City Council meeting, homeowners dropped off information on their concern, pictures of the areas with high ground water impacts, and with preliminary costs on a drain tile system to correct the problem. Staffs review of this area shows that there is an existing drain tile system with a storm sewer catch basin along Evergreen Lane. To correct the high ground water table and intercept the ground water into the storm sewer system extension of drain tile will be needed to intercept the water in order to stabilize the ground and protect property. Staff also did investigate the area around Autumn Hill Park and there is drainage problems associated in the park area similar to what the residents are experiencing. In discussing this issue with Tom Scott who resides at 1998 Evergreen Lane, the residents would like to have their contractor perform the work which would include the installation of perforated drain tile and all restoration. Staff has checked with our City Attorney on the city participating with a private contractor that is hired by the residents and this is something that could be allowed. The concept of a drainage solution would be that staff would approve of a drainage plan, then also allow a right -of -way permit for the connection of the drain tile system into the City's storm sewer system at no cost and provide inspection of the drain system. Staff also would recommend that the City would participate, due to the fact that we would receive benefit to our Autumn Hill Park and to the fact that we have participated in other drain tile installations to correct drainage issues that affect several residents. Attached is a drawing showing the design of a drain tile system that would correct the problems in this area. Curbside Landscape and Irrigation has done the design with staff input and the estimated cost is $19,001.00. Staff would recommend that the City would participate at 100% of Area A as this would correct drainage by the park and 50% of Area B. This funding would come out of the Storm Drainage Fund and at a cost not to exceed $14,315.00. Attached is an email from Steve Bloom in regards to the plan and city approach to this problem. Also the residents will be present at the council meeting to discuss this item. ALTERNATIVES: 1. Approve a motion approving a drainage solution concept proposed by staff and to participate in the project at a cost not to exceed $14,315 from the Surface Drainage Fund. 2. Do not approve the drainage solution concept and do not participate in the project. 3. Table for additional information. BUDGET IMPACT: Participation in this drainage solution would come from the Surface Drainage Fund and there are sufficient funds available. RECOMMENDATION: Staff would recommend Alternative No. 1., as this design would benefit the City by Autumn Hill Park and would correct a drainage problem in this block of Valley Creek Crossing Block 3. RELATIONSHIP TO VISIONING: This supports Goal E: "Deliver effective and efficient public services by a staff of well- trained, caring, and professional employees ". ACTION REQUESTED: Approve a motion approving a drainage solution concept proposed by staff and to participate in the project at a cost not to exceed $14,315 from the Surface Drainage Fund. ruse Loney, . . Public Works Director ENGRi2012PROJECTS/ COUNCIUConsiderationOtDrainageSolutionForV alleyCreekCrossingBlock3 Bruce Loney From: Steven Bloom Sent: Friday, October 12, 2012 9:22 AM To: Bruce Loney Subject: Evergreen Lane Drainage Proposal Hello Bruce, Per our discussion this morning I would like to move forward with your City of Shakopee Drainage Proposal on Evergreen Lane. I am also intent on attending a City Council meeting to further discuss the necessity of this project and the details to facilitate the scope of work I look forward to further discussions with you and your staff regarding our drainage issue. The project date has not been finalized. As we discussed, a Spring time line may work best with our schedule and will allow for a better growth period for new sod. Best regards, Steven Bloom 1980 Evergreen Lane Shakopee, MN 55379 i 36 � N s . ` . , 1 # 1722 ';: d CV _ 4 , 40 r, M I «e` h , ++ • . SS 922 ,. 110 # N. i fi x w g a` -T ,, • • i • + 1� l ` �� ' i�REIV S 24 + 0°P• t r ass' __. b = 4 „ ,° vr 0; -:-. . t% , . 3p0' ;* 5926 ; :- Ti S 0,., / 1956 q 1 I t s 7 1964 n 1572 ( 4 • .".° + } F 1922 4 • „ .r g �. s:sr... 14. s `fin r ;; .M , 1' 4 y �� r t6, tall- 1 zo7o zo6 v ..i 10 . 205 / { wog Y vtN . , 0, -4 g ss9z :� ,sue ■L e , 12450 Zinran Ave .�� Savage, MN 55378 Cu �� (952)403 -9012 Office J (952)403-9282 Fax BBB a n d s c a e& Irrigation r i a t i o n ► w�.w p g www.curbsidelandscape.com : ye A ACCREDITED "� �11m i BUSINESS , 9- Oct -12 City of Shakopee (Bruce Loney & Joe Swentek) Tom Scott & Evergreen Lane Homeowners Shakopee, MN Evergreen Lane Drainage Proposal 3.0 AREA A per plan provided Drainage System Set up materials handling location (to be approved by the City of Shakopee) Excavate trench for drainage system Minimum trench dimensions: 24" wide 28" deep (or more to allow for proper pipe pitch) Hand dig as needed around utilities and under sidewalk 50 cu yds Haul away and dispose of excavation 2160 sq ft Wrap trench with filter fabric fabric to wrap bottom, sides and top of gravel 270 In ft Install drainage pipe 6" corrugated plastic drain tile, perforated Install all necessary fittings 6" 90 degree elbows (2) 6" Tees (3) Install area drains per plan 8" Round Grates, green (4) Core drill to tap onto existing sewer catch basin 42 ton Install drainage rock around pipe 3/4" clear rock 24 "x24" along pipe 4 cu yds Install topsoil to fill trench to grade, 4" minimum Equipment Delivery of materials Drainage System $8,935.00 Turf Repair Install grass seed to repair damages from installation Turf Repair $694.00 AREA A TOTAL $9,629.00 AREA B per plan provided Drainage System Set up materials handling location (to be approved by the City of Shakopee) Excavate trench for drainage system Minimum trench dimensions: 24" wide 28" deep (or more to allow for proper pipe pitch) Hand dig as needed around utilities and under sidewalk 45 cu yds Haul away and dispose of excavation 2080 sq ft Wrap trench with filter fabric fabric to wrap bottom, sides and top of gravel 260 ft Install drainage pipe 6" corrugated plastic drain tile, perforated Install all necessary fittings 6" 90 degree elbows (2) 6" Tees (3) Install area drains per plan 8" Round Grates, green (3) Install fittings to tie into existing PVC drain tile 6 " -4" drain tile reducers (2) Sewer and Drain Adaptors (2) 4" PVC Tees (2) 40 ton Install drainage rock around pipe 3/4" clear rock 24 "x24" along pipe 6 cu yds Install topsoil to fill trench to grade, 4" minimum Equipment Delivery of materials Drainage System $8,697.00 Turf Repair Install grass seed to repair damages from installation Turf Repair $675.00 AREA B TOTAL $9,372.00 BID NOTES: Bid assumes allowance for temporary on- street materials storage Bid does not include any irrigation repairs A „„ c) 7 _ _ A y r ca. �-- '”" -- 1 - 1'4 111 "' Area B 'd $( L . , NKr /1110AN ail IBM 3/4" Clear Drainage Rock ," Drain Tile, Perforated Topsoil, 4" minimum Trech Wrapped in Filter ['picric