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Home My WebLink About2001-04-18 VBWD Ltr to ApplicantApril 18, 2001 DDD LLC 3686 La Avenue North Lake Elmo, MN 55042 I Re: DDD LLC — Oak Park Hei Minnesota LSCVWD Permit #01-03 Dear DDD LLC: Enclosed is the Lower St. Croix Valle Watershed District (formerl known as Valle Branch Watershed District permit for y our pro Please note the followin conditions imposed b the Mana which are also listed on the back of the permit. 1. Erosion controls shall be installed prior to the commencement of operations and be maintained throu the construction period until turf is established. Additional erosion controls ma be re as determined b the LSCVWD En or Inspector durin construction. 2. Disturbed areas should be seeded and mulched within 14 da of final g radin g . 3. Riprap sizin calculations should be submitted that show the riprap is lar enou to handle dischar up to the 100- critical storm event. 4. The detail of the proposed concrete flumes shall be revised to show the tn oreotextile filter material ke into the g round. The riprap should not be g routed. 5. A maintenance a which addresses pond maintenance, sweepin sediment removal and disposal, etc., shall be submitted. 6. The LSCVWD En and/or Inspector shall be notified at least three da prior to commencement of work to schedule an inspection of the project's erosion controls. The erosion controls must be in place and properl installed before g radin g ma commence. 7. Draina easements shall be g ranted to the Cit of Oak Park Hei which cover land adjacent to the pondin area up to its 100- flood elevation and which cover all ditches and storm sewers. Access easements to these draina easements shall also be g ranted to Oak Park Hei The Cit of Oak Park Hei shall be responsible for all maintenance within draina easements. The 100- flood elevation for the stormwater pond on the site is Elevation 940.3 feet. 8. The minimum buildin elevations for all buildable lots in the development shall be recorded in a Declaration of Covenants and Restrictions or on the final plat. The minimum buildin elevation for the lot is Elevation 942.3 feet. 9. The deed shall state existence of draina easements and wetlands were applicable. 10. This permit is not transferable. 11. This permit is subject to obtainin all other permits re b g overnmental a havin Jurisdiction (includin N`PDES Permit). 1 12. The applicant is responsible for removal of all erosion control measures includin silt fence and ha bales upon establishment of permanent ve at the pro site as determined b the LSCVWD En or Inspector. VALLEY BRANCH WATERSHED DISTRICT P.O. BOX 838 LAKE ELIM0, MINNESOTA 55-042-05%Ck-3 DDD LLC April 18, 2001 Pa 2 13. The applicant should attempt to include as man of the followin as possible, into the site desi and construction: a. Provide onl the minimum number of parkin stalls. b. Store plowed snow in pervious areas. c. Re the contractor to loosen soils to a depth of 24 inches to a maximum compaction of 85% standard proctor densit prior to plantin and add compost to the s oil 'I durin the loosenin efforts. ol 1 111 d. Re the contractor to till the upper 10 inches of soil prior to plantin e. Reduce the len of parkin stalls from 20 feel to 18 feet (a cit ordinance). f. Propose 30% of the parkin stalls for compact vehicles and makin those stalls smaller. g . Use infiltration islands at the parkin lot (depressin the island between, the. buildin instead of raisin it). h. Direct rooftop runoff to pervious areas. I. Plant trees that will canop over the impervious surfaces. j . Plant deep-rooted trees,- shrubs, wildflowers, and O-•.-_,.sses. k. Grade the parkin lots to sheet flow to ve -filter strips. 14. The pond outlet shall be modified to maintain the existin 2-, 10-, and 100- peak dischar leavin the site. This can be done b chan the outlet to a 15-inch diameter pipe with a 4-inch diameter orifice at the bottom of a plate that is 0.9 feet hi The emer overflow shall be raised to Elevation 940.3 feet. Thank y ou for y our cooperation with the District's permit pro Sincer c 41� D vid uche(ckl, President Lower St. Croix Valle Watershed District DB/ Enclosure c: Donald Scheel, 1,SCVWD Secretary Ra Marshall, LSCVW-D Attorne Karen Schultz, LSCVWD Recordin Secretar Susan Gustafson, Barr En Compan Ra Roemmich, LSCVWD Inspector Ja Michels, MPCA Tom Melena, Cit Administrator Karen Shimon, Cit En Dale Homuth, MDNR Jim Butler, Buildin Inspector 20082020\39039-1 Valle Branch Watershed District Permitmo. 01-03 Permit Application for Approval of a Pro An escrow deposit shall accompan this permit, unless waived by the Board of Mana (Governmental Bodies are not .1 re to pa a fee). Applicant acknowled familiarit with the Rules and Re of the Valle Branch Watershed District. Send Permit Applicaflons to: Valle Branch Watershed District do Barr En Co. 4700 West 77th Street Minneapolis. MN 55435-4803 Phone 6 �l 77�I 7 �6 f� Phone Ll 7 7 LZA.6.L. Date S� of Applicant Note.- The a I " cant assunites all responsibilit for an complice with permit conditions. wa � Land Development Runoff Water Qualit site Draina Erosion Control Floodplain Development Use and/or Appropriation of Public Water Brid & Culvert Construction Wetland Alteration Riparian Improvement-Shoreline Setback Private Draina S Other: Explain Mart of Project: Estimated Completion Time Is Lin environmental assessment or environmental impact statement bein prepared for this pr To be completed b Need A pplication Fee $800 ROGeived.3/27/01 Cash Suret $ 2 .9 00 0 Received A rid See Reverse for Conditions of Approval or Reasons for Denial /alle Branch Watershed D Act Permit No. 01 -03 . Permission is g ranted to do the work proposed in accordance with the Rules and Re and Water Management Plan of the District; sub to the followin provisions. 1. Erosion controls shall be installed prior to the commencement of operations and be maintained throu the construction period until turf is established. Additional erosion controls ma be re as determined b the LSCVWD En or Inspector durin construction. 2. Disturbed areas should be seeded and mulched within 14 da of final g radin g . 3. Riprap sizin calculations should be submitted that show the riprap is lar enou to handle dischar up to the 100- critical storm event. 4. The detail of the proposed concrete flumes shall be revised to show the g eotextile filter material ke into the g round. The riprap should not be g routed. 5. A maintenance a which addresses pond maintenance, sweepin sediment removal and disposal, etc., shall be submitted. 6. The LSCVWD En and/or Inspector shall be notified at least three da prior to commencement of work to schedule an inspection of the project's erosion controls. The erosion controls must be in place and properl installed before g radin g ma commence. 7. Draina easements shall be g ranted to the Cit of Oak Park Hei which cover land adjacent to the pondin area up to its 100- flood elevation and which cover all ditches and storm sewers. Access easements to these A -,- n Q 0-hall also lie g -ran+ed to Oat- alit The C4t O-ak Pa-1: Ha; shall -,--n Q""s7b1e o d , a i - 1 - _ 6a c ecasa-ments - V - -.L-- %�_Lu � �.L � L �� X-k - L be � for all maintenance within draina easements. The 100- flood elevation for the stormwater pond on the site is Elevation 940.3 feet. 8. The minimum buildin elevations for all buildable lots in the development shall be recorded in a Declaration of Covenants and Restrictions or on the final plat. The minimum buildin elevation for the lot is Elevation 942.3 feet. 9. The deed shall state existence of draina easements and wetlands were applicable. 10. This permit is not transferable. 11. This permit is subject to obtainin all other permits re b g overnmental a havin jurisdiction (includin NPDES Permit). 12. The applicant is responsible for removal of all erosion control measures includin silt fence and ha bales upon establishment of permanent ve at the pro site as determined b the LSCVWD En or Inspector. 13. The applicant should attempt to include as man of the followin as possible into the site desi and construction: a. Provide onl the minimurn number of parkin stalls. b. Store plowed snow in pervious areas. c. Re the contractor to loosen soils to a depth of 24 inches to a maximum compaction of 85% standard proctor densit prior to plantin and add compost to the soil durin the loosenin efforts. d. Re the contractor to till the upper 10 inches of soil prior to plantin e. Reduce the len of parkin stalls from 20 feel to 18 feet (a cit ordinance). f. Propose 30% of the parkin stalls for compact vehicles and makin those stalls smaller. g . Use infiltration islands at the parkin lot (depressin the island between the building instead of raisin t3l h. Direct rooftop runoff to pervious areas. 1. Plant trees that will canop over the impervious surfaces. j. Plant deep-rooted trees, shrubs, wildflowers, and g rasses. k. Grade the parkin lots to sheet flow to ve filter strips. 14. The pond outlet shall be modified to maintain the existin 2-, 10-, and 100- peak dischar leavin the site. This can be done b chan the outlet to a 15-inch diameter pipe with a 4-inch diameter orifice at the bottom of a plate that is 0.9 feet hi The emer overflow shall be raised to Elevation 940.3 feet. The Board reserves the ri to review and revise these sp rovisio as rcumstances y re Approved April 12 )2001 Si Title Valle Branch Watershed District Note: The g rant of this permit in no wa purports to permit acts which ma be prohibited b other g overnmental a 457