Loading...
HomeMy WebLinkAboutDrainage Report SOU �' r� CONSERVATION 11\- _ DISTRICTS - Hamilton County Soil and Water Conservation District Of MMER1U +/ Phone: 773-1406 •++'' P.O. Box 279 925 Division Street aovs NOBLESVILLE, INDIANA 46060 Dear Plan Commission Members: Pursuant to your request the attached report was prepared for your considera- tion concerning the Brookshire North Section 3 Final The report was prepared by the Soil Conservation Service at our request. In addition to the Planning Commission this report is sent to the landowner or developer or their representatives, and to the other units of government i .e. : County Health Board, County Highway Department, County Drainage Board, Indiana Department of Natural Resources, Division of Water (flood control ) , and others, whichever applies. The findings and suggestions contained herein is basic resource information on soils and their limitations, water and its management, erosion and methods of control , and other related resources. The basic resource -information provided by this District is to be used by the Planning Commission, Board of Zoning Appeals, Town Board , and other . units, of government for the purpose of making land use and land treatment decisions. These Units of Government are empowered by State Statute to make these decisions. The district does not have this responsibility. The District will continue to provide consultative assistance to the Commission , their engineers and representatives, the landowners and developers or their engineers and others upon request to this Board. Respectfully yours, 61,1012-a . 4 ' /, k Donald Dunkerly ChaIrman Board of Supervisors UNITED STATES DEPARTMENT OF AGRICULTURE SOIL CONSERVATION SERVICE 925 Division Street, P.O. Box 279 Noblesville , Indiana 46060 INVENTORY & EVALUATION (119) UNITS OF GOVERNMENT REQUESTED BY . Carmel Plan Commission LOCATION ; Clay12/12/75 r SUBJECT : Brookshire North Section 3 Final DATE . ASSISTED BY ; Tom Schellenberger_District Conservationist SITUATION: Developer wishes to construct single family residences with sanitary sewers , storm sewers, roll curb and gutter section ,., swales , and the storm drainage will outlet into a retention reser_ voir. SOILS : Refer to the original soils report as prepared itttheF�ime of the submission and the approval of the preliminary 2platthisof area om that soils report you will notice that app oil which is Brookston soil (Br) which is a very poorlyrr ained dnedlswhich then is characteristic of having a seasonal high becomes very important for the installation of basements and crawl spaces. The permeability isstows�oWning that and thereforemovement dampness and water down through the soil profile oass around the ome can bivery definite and severe problem;for all of thabove reasonsthssoil has asevere limitation for the intended use even though storm sewers are being used. WATER MANAGEMENT: The engineer has done a good job of laying out the storm drainage syssoilem so tandorm thesinletswers are arelocated in predominantly predominantly the BrookstonHowever the storm sewers in the lowest part of the topography. do not solve the internal draa9ewp�hbheookshireexists that armajority n soils and has been characteristicpumps and of the homes will have basements which then requiresnsump pumpsthe and then the difficulty of outiettjng the sump pump. mes homes will be adjacent to a notrsewer htoastormewerhav eesthose e nooutlet her in the Brookston soil adjacent for that either a peripheral drain around the footers or a sump pump therefore as has been customary the developer should provider unity subsurface drain outlet to periphera[ot odraen rathey can re an thanoutletting to outlet the sump pump purpose. into the curb or swae °routlet intoare stormgsedwersrorh other sub_ The subsurface drainsmay roof surfacerinsis howetoey are handlenot thatnamoded to be unt of water.d There are drains unless designed approximately 18 or 19 lots that don't have access to a storm sewer or an existing subsurface drain inlwhich some type of a subsurface drain should be provided to UNITED STATES DEPARTMENT OF AGRICULTURE SOIL CONSERVATION SERVICE Noblesville , Indiana 46060 925 Division Street , P.O. Box 279 Page 2 _ Brookshire North Section 3 Final Again no erosion control plan has been submitted at and it is suggested that the engineer w EROSION CONTROL: themselves and along thiswt finalhedeveloperfinaplat a plan either by with toht officonjunction with this office asoist submit it this office or in the Soil and Water Conservation District would be happy to them in the erosion control plan. J layout of RETENTION RESionERVser On sheet 13 does show a proposed of the have the water elevation and retention reservoir with some details of the outletting h theretention it also doesappearsn a - typical reservoir; however it - eecrosst section of the pawork here poolei elevation , ca thtre needs to be some additional WOrtheenormaldtermtne the caps_ cto of thegretentionoorteoertoir from a considerable the high pool elevation to be b which di-akesmle the amountof capacity 9Even for the area to be served Section 4• amount of the proposed Section 3 and proposed at Section 3 it is though the retention reso1howeves rtit may be the intent of the engineern with provseide final planss ofto be some detail of to provide the retention rererneed information with as SectsFurther the Section 4 o thatsetime. how the storm sewers will outlet ;fie°drainageretention comesreservoir dow well as some more detailoof e ow iard taken under nge eser_ Road hooks into either the reervoir or the existing 14" tile Gray hat will be eventually relocatedIn addition there will plan for specifically therretention n veer to theemain outletostormosewer. erosion or action reservoireebe toainsureerosiotn control along the bank action fromthewind ttwaater againstlespecially k on y on the ewthat the engineer has these details in his officefay Road.nI are required for Section 3-or and whether they is at the desecration of the committee• considered in Section 1 e was not c sewers and Note: The addition subsurface drainage out[etting of the storm of the and in details for The in Section 1 and also Sectorsio saod Section l4tare not shown. The onlypton reservoirheeiandtPon it is difficult to determine point here is later to the plan or whether there was enough constructionswas accordingtwhatnwasen intendedwwithoutt criteriad to do the constructioand then when we run into aepiob the engineer's concept and proposal problem if is difficult to determinestee slopes, in this case toeing eome detailoshowing slope intosa flood prevent erosion especially where overpa steep along Cool Creek and the outlettingleen for sub- plain.lain. Further in Section 1 consideration was not g UNITED STATES DEPARTMENT OF AGRICULTURE SOIL CONSERVATION SERVICE Page 3 surface drainage and again the point is that those homes that will require subsurface drainage for the outletting of the sump pump or the peripheral drain will not access to a storm sewer or a subsurface drain. jP71/J — — Tom Schellenberger District Conservationist TLVph cc ; Lumber Mart Weihe Eng.