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Home My WebLink About8A - Swale and Snowplowing CITY COUNCIL AGENDA REPORT MEETING DATE: AGENDA # PREPARED BY: AGENDA ITEM: June 18 2001 SA BUD OSMUNDSON, PUBLIC WORKS DIRECTOR CONSIDER APPROVAL OF THE CONSTRUCTION OF A DRAINAGE SW ALE AND EXTRAORDINARY SNOW PLOWING AT 4585 PLEASANT STREET (KLINGBERG) DISCUSSION: Historv At the May 21, 2001 City Council forum, Mr. Lee Klingberg advised the City Council of a drainage problem at his parents home, Mr. Elmer and Della Klingberg, at 4585 Pleasant Street. Staff was requested to provide a report to the City Council on what could be done to provide a solution to the problem. ISSUES: The home is located on the south side of Pleasant which is an east/west street, two blocks south of CSAH 21. The Klingberg home is 450 feet east of Duluth Avenue and 650 feet west of Main Street. The street grade is relatively flat immediately in front of the house and to the west, with a two percent grade to the high point approximately 600 feet east. The home is about 0.5 feet lower than the sidewalk adjacent to Pleasant, and the crown of the street is! about one foot higher than the house. Using survey equipment, Engineering department personnel shot elevations at the house, which are shown on the attached drawing. The drainage problem occurs in the spring of the year and is caused by snow in the street gutter damming the runoff from the east, causing the runoff to flow south on the Klingberg driveway and then to the house. The water then comes into the house at the water service entry point. The house side or back of the sidewalk is only 0.2 feet higher than the street gutter line, so that when the snow from plowing is piled 4 to 5 feet out into the street from the curb, the water will go into the driveway rather than down the street to the west. There is not any storm drain catch basins or piping in the street. Being on the south side of the street, the snow piles do not melt off like they do on the north side. This past March during the snown1elt, the Klingbergs called the Mayor, who called me, and maintenance personnel opened up the snow dam with a loader which allowed the runoff to flow down the gutter line and not the driveway. You may remember that this last snow season had near record amounts of snow which was piled quite high and wide in front of the Klingberg residence. a!~Wt1ilE:g~deWteK Ave. S.E., Prior Lake, Minnesota 55372-1714 / Ph. (952) 447-4230 / Fax (952) 447-4245 AN EQUAL OPPORTUNITY EMPLOYER I' T FINANCIAL IMP ACT agenda klingberg drainage The Klingbergs are looking for a pennanent solution to prevent this from happening again. Mr. Lee Klingberg requested that the City provide a letter guaranteeing that the City would clear snow from the street and sidewalk from the Klingberg house to Duluth. I visited the site and discussed several options with the Klingbergs: Option 1: One option was to reconstruct the sidewalk to a higher elevation so that the drainage would have to flow down the street and not toward the Klingberg home. This option is not very feasible due to the reconstruction of several concrete driveways that would be required and all the grading of front yards that would have to be completed. Option 2: Another option would be to install stom1 drain piping from the catch basins at the intersection with Duluth to a new catch basin on the east side of the Klingberg driveway. The idea would be to intercept the snowmelt runoff prior to running down the driveway. This option would be expensive and may not work when the catch basin is frozen over, which would occur. Option 3: The option we agreed on was to construct a swale in front of the Klingberg home, forcing the water away from the house and down the driveway on the east side, plus removing the snow from the street gutter line when it is piled high. This will include the removal of two shrubs and some of the two foot wide sidewalk on the property. We would regrade this area, plant two new shrubs, and sod when finished. This also will include the construction of about twelve feet of sidewalk from the existing sidewalk to the driveway. The Klingberg's would have to provide the City with the right of access to work on their property. We would accomplish this work with City personnel, but contract out the sidewalk installation. The total out of pocket expense will be less than $500. The snow removal in the gutter line in front of the Klingbergs should be extended westerly at least past the funeral home next door. This part of Pleasant has a lot of traffic due in part to the funeral home and St. Michaels church and school. We would not have to remove this snow immediately after a snow fall, but would come back to cleanup the area a couple of days after snow plowing is complete, similar as what we do with the Downtown area. We estimate that it will only take 15 to 20 minutes to do this snow removal, two or three times a season. Bud~et Impact I would recommend that the expenses for the swale construction be paid out of the street operating fund, budget number 43100. The added snow removal costs are small when compared to the capital costs of other altematives. In twenty or thirty years when the street is reconstructed, a deep catch basin draining to the wetland to the south may be a viable pern1anent solution. However, at this time, Option 3 is the most viable alternative. I have spoken with the City Attomey regarding the letter requested by the Klingbergs. The City Attomey has advised against any letter guaranteeing a "course of conduct" in perpetuity. ALTERNATIVES: RECOMMENDED MOTION: REVIEWED BY: agenda kJingberg drainage The alternatives are as follows: 1. Approve a motion authorizing staff to construct a swale on the Klingberg residence and to pay expenses out of the street operating fund and to remove snow from the area as needed. 2. Table this agenda item for a specific reason. 3. Deny this agenda item for a specific reason. ive number 1. t 7' -~ 4' ~~ o,t;..'V o,~ 1:)' SIDE'w'ALK o,bi ~~ t;..'V OJ COCO 1:)' Ojbi f--- 25' --j---- 25' ~'\~ t;...v....Oj OJ \,' 0,'" -{,.~ t;......~CO OJ 1:)' o,t>. <:;:,OJ '/,,' 9l'" X t;..Oj 9Jt;....... ---x- NOTE: NOT TO SCALE GARAGE T b:J -i / ':{ 14' ~'" 1:)' o,bi @ 0j0j o,~ <:;:,. OJ' 0,' Ojbi 0,'5 0,'5 i- 1:)' o,t>. <:;:,'> 1:)' o,bi X 1:)"- <:;:,' Ojt>. '/"X Ojcp Oj~ ,,-CO OJ,,,I:)' --------- -- -x-- - -- PLEASANT STREET -0- OJ'> ~. o,t;.. ~CO ~. 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