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73-02 - Minnewashta Heights SUB pt 1R.ITSSELL H. LARSON ATTORNEY AT LAw 1900 FIRST NATIONAL BANK BUILDING MINNEAPOLIS, MINNESOTA 55402 June 14, 1973 Chanhassen Village Council Box 147 Chanhassen, Minnesota 55317 Re: Lot 9, Block 5, Minnewashta Heights Storm Sewer Proposal Dear Council Members: TELEPHONE 335--9565 Reference is made to the report of May 7 by Schoell & Madson, Inc. concerning surface drainage from Minnewashta Heights over Lot 9, Block 5, being the Minnewashta Beach Assocation access lot to the lake. I am advised that after due notice being given to all residents in Minnewashta Heights, a meeting of the residents was held June 1st, to discuss the four storm drainage alternates proposed in the engineers report of May 7. Twenty- five persons attended the meeting, according to the report given to me, and the members present voted in favor of alternate number 2 by a large majority. Alternate number 2 provides for surface drainage to a large catch basin located where the manhole is shown on the Schoell & Madson drawing 6572-11, with an extension of a 24" pipe into the lake. The estimated cost of this construction is $5 , 200.00. The proposal for financing the construction is as follows: Payment by Village for easement over Lot 9 $1 , 500.00 Storm Sewer assessment against 80 lots $3,700.00 $5,200.00 JUN 1973 1 RECEIVED VILLAGE O!5 CHANHASSM MINK. Chanhassen Village Council Page 2 June 14, 1973 I understand that the members present at the meeting agreed that the proposed assessment be spread over the 80 lots in the subdivision as each lot has the right to use Lot 9 for access to the lake and, therefore, derives benefit from the improvement. As a further consideration for the grant of the easement, the residents are seeking an agreement that the Village maintain the blacktop surfacing on Lot 9 as the Village trucks will use the surfaced area for catch basin cleanout purposes. The proposal advanced by the residents would require a public hearing on the proposed improvement as a storm sewer project, and I have been requested by the officers of the Beach Association to bring this matter to your attention at the meeting of June 18th, for the purpose of setting a date for the public hearing, if you wish to consider the request of the residents. Very truly yours, Russell H. Larson Chanhassen Village Attorney RH L: m RussELL H. LARSON ATTORNEY AT LAW 1900 FIRST NATIONAL BANK BUILDING MINNEAPOLIS, MINNESOTA 55402 TELEPHONE 335-9565 June 19, 1973 Mr. Gerald W. Schlenk Village Clerk Box 147 Chanhassen, Minnesota 55317 Dear Jerry, The attached is self-explanatory. Not less than 10 days before the date of hearing the Village must send copies of the attached notice to all owners of lots in Minnewashta Heights. I know that I can rely on you and you competent staff to see that this is done. Very truly yours, Russell H. Larson Chanhassen Village Attorney RHL: m Enclosures S JUN 1973 Mn RECEIVED { VILLAGE OF CHANHASSEN, _ MINK. RTTSSELL H. LARSON ATTORNEY AT LAW 1900 FIRST NATIONAL BANK BUILDING MINNEAPOLIS, MINNESOTA 55402 June 19, 1973 SUN NEWSRV ERS 6601 West 78th Street Edina, itlinnesoca 55435 Attention: Legal 'F�u"r�lica-Uons jap`t. Re: Village of Chanhassen Gentlemen: TELEPHONE 335 - a505 Please publisu die attaccaed notice of ,aearing on proposed Anne.,Yasiita k1eights Storm Sewer Improvement Project 73-8, for the Village of C•nannassen in the Carver County Sun editions for June 28 and July S. When publication has been completed, please send your affidavit of publication and statement of caarges to the Village of C}nannassen at P. 0. Box 147, Chanhassen, IvAnnesota 55317. Very truly yours. Russell il. Larson Chanhassen Village . ttorney xs�"�iL:ITi Enclosures VILLAGE OF CHANHASSEN CARVER AND HENNEPIN COUNTIES, MINNESOTA NOTICE OF PUBLIC HEARING ON PROPOSED MINNEWASHTA HEIGHTS STORM SEWER IMPROVEMENT PROJECT 73-8 NOTICE IS HEREBY GIVEN, That the Village Council of the Village of Chanhassen will meet on Monday, the 9th day of July, 1973, at 7:30 o'clock P.M. , at the Village Hall in said Village, for the purpose of holding a public hearing on a proposed storm sewer improvement in the Village designated as the Minnewashta Heights Storm Sewer Improvement Project 73-8. The estimated cost of said improvement is $5, 200.00 and will consist of the following: Construction of storm sewer mains and catch basins. The area proposed to be assessed for a portion of the cost of said improvement includes all lots lying within the plat of Minnewashta Heights, Carver County, Minnesota. Preliminary plans and maps may be inspected in the office of the Village Clerk. All persons interested may appear and be heard at said time and place. Dated: June 19, 1973. BY ORDER OF THE VILLAGE COUNCIL ze Village Clerk Publish in Carver County Sun on 6/28/73 and 7/5/73. VILLAGE OF CHANHASSEN CARVER AND HENNEPIN COUNTIES, MINNESOTA NOTICE OF PUBLIC HEARING ON PROPOSED MINNEWASHTA HEIGHTS STORM SEWER IMPROVEMENT PROTECT 73-8 NOTICE IS HEREBY GIVEN, That the Village Council of the Village of Chanhassen will meet on Monday, the 9th day of July, 1973, at 7:30 o'clock P.M. , at the Village Hall in said Village, for the purpose of holding a public hearing on a proposed storm sewer improvement in the Village designated as the Minnewashta Heights Storm Sewer Improvement Project 73-8. The estimated cost of said improvement is $5,200.00 and will consist of the following: Construction of storm sewer mains and catch basins. The area proposed to be assessed for a portion of the cost of said improvement includes all lots lying within the plat of Minnewashta Heights, Carver County, Minnesota. Preliminary plans and maps may be inspected in the office of the Village Clerk. All persons interested may appear and be heard at said time and place. Dated: June 19, 1973. BY ORDER OF THE VILLAGE COUNCIL Village Clerk Publish in Carver County Sun on 6/28/73 and 7/5/73. II —SCHOELL & MAOSON, INC. ENGINEERS AND SURVEYORS .� Jr WILLIAM D. SCHOELL CARLISLE MADSON I PHONE 938-7601 - 50 NINTH AVENUE SOUTH - HOPKINS, MINNESOTA 55343 May 7, 1973 Village of Chanhassen c/o Mr. Adolph Tessness, Clerk -Administrator P. 0. Box 147 Chanhassen, Minnesota 55317 Subject: North Area Sanitary Sewer and Water Project No. 71-1A, Easement Through Lot 9, Block 5, Minne- washta Heights Gentlemen: In connection with the subject construction, it was necessary.to obtain an easement to construct and maintain a sanitary -sewer part way down"Lot 9, which is a beach access in Minnewashta Heights. Through some misunderstanding as to who had authority to sign the easement grant, it apparently was signed by some- one not having such authority. Those holding legal authority now.;have indicated dissatisfaction with pro- visions for carrying drainage down the lot from Minnewashta Drive to the lake. They indicate that a greater amount of area now drains thus, and that even -pre- viously there was regular erosion every year, and siltation into the lakeshore beach area. They have requested study of possible ways to minimize deposition of soil and prevent erosion from runoff. Messrs. Tessness, Larson, Brezinsky and'the writer have had several meet- ings with the people involved. We have agreed that the area contributing runoff down this lot has been increased by some slight regrading of several roads, an increase of about 8% in area. This was done as a general policy in trying to improve small drainage conditions prior to installation of a good permanent road- way surface. We have told the people that any improvement in drainage at this location would have to be paid for almost exclusively by the property owners in the area drained, following standard village policy, except for some small contribution for the easement right, if it is determined that this is appropriate. The esti- mated cost of the most complete drainage system is about $10,400. Details are shown on the attached drawing 6572-10. It consists of a group of five catch basins at Minnewashta Drive, two of which would have deep sumps which could be cleaned out periodically of settled sand and'debris. There would be an 18" pipe leading downhill to another manhole near the upper end of the beach area, and a further extension of 24" pipe leading out about 175' into the lake to a point where fluctuating levels and ice would not cause probable damage. 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'LE--* .... SC , A . ... ............................... .. .................................... .......... . ........................... ::f0,­..::V.ER.T ........................ ................... .......................... ....................................... ....................................... ...................................... .......................... 17w- s � �r VILLAGE OF CHANHASSEN MINNEWASTA HEIGHTS DRAINAGE STORM SEWER ALTERNATE NO. I SCHOELL a MADSICNI 110PKIN3. MINN. ssac% SCHOELL & MAOSON. INC. ENGINEERS AND SURVEYORS WILLIAM D. SCHOELL CARLISLE MADSON PHONE 938-7601 • 50 NINTH AVENUE SOUTH • HOPKINS, MINNESOTA 55343 May 7, 1973 Village of Chanhassen c/o Mr. Adolph Tessness, Clerk -Administrator P. 0. Box 147 Chanhassen, Minnesota 55317 Subject: North Area Sanitary Sewer and Water Project No. 71-1A, Easement Through Lot 9, Block 5, Minne- washta Heights Gentlemen: In connection with the subject construction, it was necessary to obtain an easement to construct and maintain a sanitary.sewer part way down Lot 9, which is a beach access in Minnewashta Heights. Through some misunderstanding as to who had authority to sign the easement grant, it apparently was signed by some- one not having such authority. Those holding legal authority now.;have indicated dissatisfaction with pro- visions for carrying drainage down the lot from Minnewashta Drive to the lake. They indicate that a greater amount of area now drains thus, and that even pre- viously there was regular erosion every year, and siltation into the lakeshore beach area. They have requested study of possible ways to minimize deposition of soil and prevent erosion from runoff. Messrs. Tessness, Larson, Brezinsky and the writer have had several meet- ings with the people involved. We have agreed that the area contributing runoff down this lot has been increased by some slight regrading of several roads, an increase of about 8% in area. This was done as a general policy in trying to improve small drainage conditions prior to installation of a good permanent road- way surface. We have told the people that any improvement in drainage at this location would have to be paid for almost exclusively by the property owners in the area drained, following standard village policy, except for some small contribution for the easement right, if it is determined that this is appropriate. The esti- mated cost of the most complete drainage system is about $10,400. Details are shown on the attached drawing 6572-10. It consists of a group of five catch basins at Minnewashta Drive, two of which would have deep.sumps which could be cleaned out periodically of settled sand and debris. There would be an 18" pipe leading downhill to another manhole near the upper end of the beach area, and a further extension of 24" pipe leading out about 175' into the lake to a point where fluctuating levels and ice would not cause probable damage. We have designated this plan as "Alternate 1". SCHOELL & MADSON.INC. Village of Chanhassen Page 2 May 7, 1973 Other possible Alternates are: 2. Surface drainage to large catch basin located where the manhole is shown on drawing 6572-11, then extension of the 24" pipe into the lake. Estimated cost of this work is $5,200. 3. A settling basin at the point where the manhole is shown. The flow into and from this basin would be through a drainage channel to the lake. Estimated cost is about $25,100. 4. Surface drainage would involve construction of a drainage ditch from the end of the existing asphalt driveway to the lake. This would not prevent siltation in the beach area, but if constructed properly would at least temporarily prevent erosion. However, it is possible that wave action and freezing over several years would damage and break up the ditch lining. Estimated cost is $550. We believe that the problem being studied existed prior to the sewer con- struction and was not materially worsened by the sewer work. We will be glad to discuss this problem with you and with others in the area when convenient. Very truly yours, SCHOELL & MADSON, INC. WDSchoell:sd STANLEY A. NICKLE CTF NO 4336 -,ROAD ----2639.2 H.C. Res:-- ®�r i8. Fj Otis 317.85 •N. CTF ho VI L�AGE OF CHANHASSEN �\ 'o 637 236 I ` CTF NO. 6378 22 2 �oP � . ... 50 5 E 50 3C H M I D P��ES �P�. 1 z 2 50 21 I 2La20 / 17 z o 2 ul17 3 W ..►: r ;" 4 A\0 4 Z,o z - --19ui ` I 16 41 aV r/ 1.2 - 18 5 _ ....._ ACRES 6 16 3 \, r .• �,�4-- 17 7 .41 �0 14 i 5 1 14 6 - - -- 8 13 �` 6 73 1 I�\ pa 15. 8 9 12 `Y 7 ACRES 8 V 6 07 --- i W 12 �._ .� —14 9 = 10 N 8 — i �, - 07 i 1 Cr 9 Q ACRES 11 11 C A II 1I- — -GX\ 13 j' w 10 12 o _ 1 12 I 11 -.- w Z , MINN , P '• 'DRIVE r 13 o , • I i v4 O v 8 11 12 7 , Q 3 g I VILLAGE OF CHANHASSEN I I ['.INNEWASTA HEIGHTS DRAINAGE ORIGINAL DRAINAGE AREA —• PROPOSED DRAINAGE AREA ADDITIONAL DRAINAGE AREA SCHOELL a MADSON , INC. HOPK INS tM N. 55343 SCALE:I"-- 20d DATE: MAY 19n ................ . ..................... ................ ............ ...................................... pp 1 I .tor g I �p I� � I 9% N 9 C.B. cB. VILLAGE OF CHANHASSEN MINNEWASTA HEIGHTS DRAINAGE STORM SEWER ALTERNATE NO.I SCHOELL a . MADSON, INC. HOPKINS, MINN. 55343 DRWG. N0. 6572 — 11 __� DATE MAYa_I973., _