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1e1 John Henry Final Plat Appro CITY OF CHANHASSEN 7700 Market Boulevard POBo, 147 Chanhassen, MN55317 Administratton Phone: 952.227.1100 F":952.227.1110 Building Inspections Phone 952,227.1180 Fa,: 952.227.1190 Engineering Phone 952,227.1160 Fa,952.227.1170 Finance Phone: 952.227.1140 F,,952.227.1110 Park & Recreation Phone 952,227.1120 Fa,: 952.227.1110 Recreation Center 2310CoullerBoulevard Phone: 952.227.1400 Fa,952,227.1404 Planning & Natural Resources Phone: 952.227.1130 F,,952,227,1110 Public Works 1591 Park Road Phone: 952.227.1300 Fa,: 952,227.1310 Senior Center Phone: 952.227.1125 Fa,: 952.227.1110 Web Site www.ci.chanhassen.mn.us ie.-1 MEMORANDUM TO: Todd Gerhardt, City Manager FROM: Josh Metzer, Planner I Aprilll, 2005 ~ DATE: SUBJ: John Henry Addition Final Plat Planning Case #05-05 PROPOSAL SUMMARY The developer is requesting final plat approval to subdivide a 1.19-acre parcel into three (3) single-family lots on property zoned Single Family Residential (RSF). ACTION REOillRED City Council approval requires a majority vote of City Council present. BACKGROUND On February 14,2005, the City Council approved the preliminary plat for Planning Case 05-05 for John Henry Addition for three single-family lots as shown on the plans received December 17, 2004, with conditions. GRADING. DRAINAGE & EROSION CONTROL Approximately 0.3 acres of the existing site has tree cover. The plans propose to grade about 40% of the site for the new house pads. The proposed grading will prepare the site for two additional full basement house pads. Minimal grading will be required to fill the site for the two new house pads. The plan will need to be revised to show the proposed driveway locations for the new lots. The maximum grade allowed on these driveways is 10%. The existing and proposed site drainage is encompassed within two drainage areas. The north and western portions of the parcel drain offsite to the existing streets of Murray Hill and Melody Hill Roads. The remainder of the site drains offsite to the east/southeast. Under developed conditions, the front or western half of the lots will continue to drain to Murray Hill Road while the rear half of the lots will drain to the east. No storm drainage improvements have been proposed by the applicant. Staff is in agreement with this and does not feel that the addition of two lots requires a storm water pond for the site. The Cily of Chanhassen . A growrog community w,lh clean lakes, quality schools, a charming downtown, thriving businesses, winding Irails, and beautitul parks, A great place to live, work, and play, John Henry Addition Final Plat Planning Case 05-05 April 11, 2005 Page 2 Proposed erosion control must be developed in accordance with the City's Best Management Practice Handbook (BMPH). Staff recommends that silt fence be added around the grading limits of the site. Tree preservation fencing must be installed at the limits of tree removal. All disturbed areas, as a result of construction, must be seeded and mulched or sodded immediately after grading to minimize erosion. A 75-foot minimum rock construction entrance must be added for access during construction. If importing or exporting material for development of the site is necessary, the applicant will be required to supply the City with a detailed haul route and traffic control plan. UTILITIES The plan does not propose any public utility main extensions. Public water and sanitary sewer are available for the two new lots (Lots 2 and 3) from Murray Hill Road. As part of the development improvements, the developer will be required to extend water and sanitary sewer services to the property line of each new lot. According to the City's Finance Department records, the underlying property has been previously assessed for one sanitary sewer and water unit and those assessments have been paid. Since the applicant is now proposing two more units than what the property had been previously assessed for, the additional two units will be charged the sanitary sewer and water connection charge. The 2005 sanitary sewer and water connection charges are each $5,118 for a total per unit or per lot cost of $10,236. Based on these rates, the total amount due and payable to the City for the additional two lot units will be $20,472 (2 @ $10,236). In addition, each newly created lot will be subject to City sanitary sewer and water hook up charges at the time of building permit issuance. The 2005 trunk hookup charge is $1,458 for sanitary sewer and $2,955 for watermain. Sanitary sewer and watermain hookup fees may be specially assessed against the parcel at the time of building permit issuance. All of these charges are based on the number of SAC units assigned by the Met Council. All of the utility improvements are required to be constructed in accordance with the City's latest edition of Standard Specifications and Detail Plates. The applicant is also required to enter into a development contract with the City and supply the necessary financial security in the form of a letter of credit or cash escrow to guarantee installation of the improvements and the conditions of final plat approval. The applicant must be aware that all public utility improvements will require a preconstruction meeting before building permit issuance. Permits from the appropriate regulatory agencies will be required, including the MPCA. John Henry Addition Final Plat Planning Case 05-05 April 11, 2005 Page 3 STREETS The plan does not propose any public street improvement. The two proposed lots will access off Murray Hill Road and the existing house will continue to access off Melody Hill Road. Existing Murray Hill Road, south of Melody Hill Road, is a cul-de-sac with a 50-foot right-of-way. To be consistent with the remainder of the cul-de-sac, staff is fine with leaving the existing right-of-way at 50-feet. Also, since the street is not being extended, the existing non-conformity does not require a variance. COMPLIANCE WITH ORDINANCE - RSF DISTRICT Lot Area Lot Width Lot Depth Setbacks Ordinance 15,000 ft2 90' 125' 30' front/rear 10' sides Lot 1 21,950 ft2 147.4'/150' 146.5'/150' 19.5'/41.4' fronts (existing home, corner lot) 50.1'/14.4' sides Lot 2 15,000 ft2 100' 150' 30' front/rear 10' sides Lot 3 15,000 ft2 100' 150' 30' front/rear 10' sides Total 51,950 ft2 REVIEW CONDITIONS OF APPROVAL 1. Environmental Resources Specialist Conditions: a. A minimum of one planted tree shall be required in the front yard of each lot. b. Tree preservation fence shall be installed at the edge of the grading limits prior to any construction. c. All trees shown as preserved and outside of the grading limits as shown on plans dated Received 12/17/04 shall be saved. Any trees removed in excess of proposed tree preservation plans will be replaced at a ratio of 2: 1 diameter inches. *This condition still applies. 2. Submit drainage calculations and drainage map for staff review and approval at time of final plat. *This condition still applies. John Henry Addition Final Plat Planning Case 05-05 April 11, 2005 Page 4 3. On the plan: a. Show a minimum 75-foot rock construction entrance. NIA b. Call out the proposed house types on Lots 2 and 3. Has been met. c. Show silt fence around the grading area. Has been met. d. Show the existing access drives on the western side of Murray Hill Road. Has been met. e. Show the locations of the proposed sanitary sewer and water services to the new lots. Has been met. f. Show the location ofthe proposed driveways for the new lots. Has been met. g. Show existing topography and structures within 100 feet of the property line. Still applies. h. Show the existing sanitary manhole rim and invert elevations along with all of the existing utility pipes in Murray Hill Road. Still applies. i. Show 30 foot rear yard setback. Has been met. *This condition has been revised to read as follows: "On the plan: a. Show existing topography and structures within 100 feet of the property line. b. Show the existing sanitary manhole rim and invert elevations along with all of the existing utility pipes in Murray Hill Road." 4. All sanitary services must be 6" PVC-SDR26 and water services 1" copper. *This condition still applies. 5. Since the applicant is now proposing more units (3) than what the property had been previously assessed for, the additional two units will be charged the sanitary sewer and water connection charge. The 2005 sanitary sewer and water connection charges are each $5,118 for a total per unit or per lot cost of $10,236. Based on these rates, the total amount due and payable to the City for the additional two lot units will be $20,472 (2 @ $10,236). *This condition has been revised changing the number of units from (3) to (2). The new condition will read as follows, "Since the applicant is now proposing more units (2) than what the property had been previously assessed for, the additional two units will be charged the sanitary sewer and water connection charge. The 2005 sanitary sewer and water connection charges are each $5,118 for a total per unit or per John Henry Addition Final Plat Planning Case 05-05 April 11, 2005 Page 5 lot cost of $10,236. Based on these rates, the total amount due and payable to the City for the additional two lot units will be $20,472 (2 @ $10,236)." 6. Add the following City detail plates: 1005,2001,5300 and 5301. *This condition has been met. 7. If importing or exporting material for development of the site is necessary, the applicant will be required to supply the City with a detailed haul route and traffic control plan. *This condition still applies. 8. The sanitary sewer and water hookup charges will be applicable for each of the new lots. The 2005 trunk hookup charge is $1,458 for sanitary sewer and $2,955 for watermain. Sanitary sewer and watermain hookup fees may be specially assessed against the parcel at the time of building permit issuance. All of these charges are based on the number of SAC units assigned by the Met Council. *This condition has been revised to state the time fees are due. The new condition will read as follows, ''The sanitary sewer and water hookup charges will be applicable for each of the new lots. The 2005 trunk hookup charge is $1,458 for sanitary sewer and $2,955 for watermain. These charges are due at the time of building permit issuance. Sanitary sewer and watermain hookup fees may be specially assessed against the parcel at the time of building permit issuance. All of these charges are based on the number of SAC units assigned by the Met Council." 9. As part of the development improvements, the developer will be required to extend water and sanitary sewer services to the property line of each new lot. *This condition still applies. 10. All of the utility improvements are required to be constructed in accordance with the City's latest edition of Standard Specifications and Detail Plates. The applicant is also required to enter into a development contract with the City and supply the necessary financial security in the form of a letter of credit or cash escrow to guarantee installation of the improvements and the conditions of final plat approval. The applicant must be aware that all public utility improvements will require a preconstruction meeting before building permit issuance. Permits from John Henry Addition Final Plat Planning Case 05-05 April 11, 2005 Page 6 the appropriate regulatory agencies will be required, including the MPCA. *This condition has been revised deleting the last sentence. The new condition will read as follows, "All of the utility improvements are required to be constructed in accordance with the City's latest edition of Standard Specifications and Detail Plates. The applicant is also required to enter into a development contract with the City and supply the necessary financial security in the form of a letter of credit or cash escrow to guarantee installation of the improvements and the conditions of final plat approval. The applicant must be aware that all public utility improvements will require a preconstruction meeting before building permit issuance." 11. A professional engineer registered in the State of Minnesota must sign the plans for the utility improvements. *This condition still applies. 12. Erosion control blanket shall be installed on all slopes greater than or equal to 3:1. All exposed soil areas shall have temporary erosion protection or permanent cover year round, according to the following table of slopes and time frames: Type of Slope Steeper than 3: 1 10:1 t03:1 Flatter than 10: 1 Time (maximum time an area can remain unvegetated when area is Dot activelv bei~-worked.) 7 Davs 14 Davs 21 Davs These areas include constructed storm water management pond side slopes, and any exposed soil areas with a positive slope to a storm water conveyance system, such as a curb and gutter system, storm sewer inlet, temporary or permanent drainage ditch or other natural or manmade systems that discharge to a surface water. *This condition still applies. 13. Street cleaning of soil tracked onto public streets shall include daily street scraping and street sweeping as-needed. *This condition still applies. John Henry Addition Final Plat Planning Case 05-05 April 11, 2005 Page 7 14. Based on the proposed developed area of approximately 1.19 acres, the water quality fees associated with this project are $1,301; the water quantity fees are approximately $3,219. At this time, the estimated total SWMP fee, due and payable to the City at the time of final plat recording, is $4,520. *This condition still applies. 15. Full park fees shall be collected at the rate in force at the time of final plat. The 2005 park fee rate is $4,000. Park fees for John Henry Addition will be $8,000. *This condition still applies. 16. Building Official Conditions: a. A final grading plan and soils report must be submitted to the Inspections Division before building permits will be issued. b. Separate water and sewer services must be provided for each lot. *This condition still applies. Upon review of the plans dated March 21, 2005, prepared by Don G. Brauer, staff recommends that the following conditions be added: 1. On the utility plan: a. Add a note that the street must be patched within seven days of the utility service work. b. Add line types describing the silt fence and elevation contour lines in the legend. c. Show the water and sanitary services 9-feet inside the property line. RECOMMENDATION Staff recommends that the City Council adopt the following motion: "The Chanhassen City Council grants final plat approval of Planning Case #05-05 John Henry Addition, for 3 single-family lots as shown on the plans received March 21, 2005, subject to the following conditions: 1. Environmental Resources Specialist Conditions: a. A minimum of one planted tree shall be required in the front yard of each lot. John Henry Addition Final Plat Planning Case 05-05 April 11, 2005 Page 8 b. Tree preservation fence shall be installed at the edge of the grading limits prior to any construction. c. All trees shown as preserved and outside of the grading limits as shown on plans dated Received 12/17/04 shall be saved. Any trees removed in excess of proposed tree preservation plans will be replaced at a ratio of 2: 1 diameter inches. 2. Submit drainage calculations and drainage map for staff review and approval at time of final plat. 3. On the plan: a. Show existing topography and structures within 100 feet of the property line. b. Show the existing sanitary manhole rim and invert elevations along with all of the existing utility pipes in Murray Hill Road. 4. All sanitary services must be 6-inch PVC-SDR26 and water services I-inch copper. 5. Since the applicant is now proposing more units (2) than what the property had been previously assessed for, the additional two units will be charged the sanitary sewer and water connection charge. The 2005 sanitary sewer and water connection charges are each $5,118 for a total per unit or per lot cost of $10,236. Based on these rates, the total amount due payable to the City for the additional two lot units will be $20,472 (2 @ $10,236). 6. If importing or exporting material for development of the site is necessary, the applicant will be required to supply the City with a detailed haul route and traffic control plan. 7. The sanitary sewer and water hookup charges will be applicable for each of the new lots. The 2005 trunk hookup charge is $1,458 for sanitary sewer and $2,955 for watermain. These charges are due at the time of building permit issuance. Sanitary sewer and watermain hookup fees may be specially assessed against the parcel at the time of building permit issuance. All of these charges are based on the number of SAC units assigned by the Met Council. 8. As part of the development improvements, the developer will be required to extend water and sanitary sewer services to the property line of each new lot. John Henry Addition Final Plat Planning Case 05-05 April 11, 2005 Page 9 9. All of the utility improvements are required to be constructed in accordance with the City's latest edition of Standard Specifications and Detail Plates. The applicant is also required to enter into a development contract with the City and supply the necessary financial security in the form of a letter of credit or cash escrow to guarantee installation of the improvements and the conditions of final plat approval. The applicant must be aware that all public utility improvements will require a preconstruction meeting before building permit issuance. 10. A professional engineer registered in the State of Minnesota must sign the plans for the utility improvements. 11. Erosion control blanket shall be installed on all slopes greater than or equal to 3: 1. All exposed soil areas shall have temporary erosion protection or permanent cover year round, according to the following table of slopes and time frames: Time Type of Slope (maximum time an area can remain unvegetated when area is Dot actively beÎIU! worked) Steeper than 3: 1 7 Days 10:1 t03:1 14 Davs Flatter than 10: 1 21 Days These areas include constructed storm water management pond side slopes, and any exposed soil areas with a positive slope to a storm water conveyance system, such as a curb and gutter system, storm sewer inlet, temporary or permanent drainage ditch or other natural or manmade systems that discharge to a surface water. 12. Street cleaning of soil tracked onto public streets shall include daily street scraping and street sweeping as-needed. 13. Based on the proposed developed area of approximately 1.19 acres, the water quality fees associated with this project are $1,301; the water quantity fees are approximately $3,219. At this time, the estimated total SWMP fee, due payable to the City at the time of final plat recording, is $4,520. 14. Full park fees shall be collected at the rate in force at the time of final plat. The 2005 park fees rate is $4,000. Park fees for John Henry Addition will be $8,000. John Henry Addition Final Plat Planning Case 05-05 April 11, 2005 Page 10 15. Building Official Conditions: a. A final grading plan and soils report must be submitted to the Inspections Division before building permits will be issued. b. Separate water and sewer services must be provided for each lot. 16. On the utility plan: a. Add a note that the street must be patched within seven days of the utility service work. b. Add line types describing the silt fence and elevation contour lines in the legend. c. Show the water and sanitary services 9-feet inside the property line. ATTACHMENT 1. Final Plat dated March 21, 2005. g:\p1an\200S planning cases\05..()5 john henry addition\final plat.doc JJ 9. 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