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It revises Engineering Standard Drawing ES-195 “Standard Conduit Details” and cancels Engineering Standard Drawing ES-154 “Standard for Pipe Conduits.” The note explains that Technical Release No.60 changed seepage control from antiseep collars to drainage diaphragms with filters, so prior anti-seep collar drawings are no longer applicable. It instructs replacing ES-195 with a revised ES-195 dated 5-86 and removing ES-154 references, and provides distribution and filing guidance.",{"@graph":69,"@context":122},[70,84,105],{"@type":71,"itemListElement":72},"BreadcrumbList",[73,77,79,82],{"item":74,"name":75,"@type":76,"position":8},"https://docshare.wps.com","Home","ListItem",{"item":78,"name":9,"@type":76,"position":14},"https://docshare.wps.com/document/",{"item":80,"name":40,"@type":76,"position":81},"https://docshare.wps.com/document/research-report/",3,{"item":83,"name":65,"@type":76,"position":19},"https://docshare.wps.com/document/design-note-no18-eng-unattached-es-drawings-purpose-effective-date-and-filing-instructions/663713/",{"url":83,"name":65,"@type":85,"image":86,"author":91,"headline":65,"publisher":94,"fileFormat":97,"inLanguage":63,"description":67,"dateModified":98,"datePublished":99,"encodingFormat":97,"isAccessibleForFree":100,"interactionStatistic":101},"DigitalDocument",{"url":87,"@type":88,"width":89,"height":90},"https://docshare.wps.com/thumbnails/design-note-no18-eng-unattached-es-drawings-purpose-effective-date-and-filing-instructions/663713.png","ImageObject",300,407,{"name":92,"@type":93},"นรินทร์","Person",{"url":74,"name":95,"@type":96},"DocShare","Organization","application/pdf","2026-10-30","2026-10-28",true,{"@type":102,"interactionType":103,"userInteractionCount":8},"InteractionCounter",{"@type":104},"ViewAction",{"@type":106,"mainEntity":107},"FAQPage",[108,114,118],{"name":109,"@type":110,"acceptedAnswer":111},"What is the purpose of Design Note No.18?","Question",{"text":112,"@type":113},"To distribute the revised Engineering Standard Drawing ES-195 “Standard Conduit Details” and cancel Engineering Standard Drawing ES-154 “Standard for Pipe Conduits.”","Answer",{"name":115,"@type":110,"acceptedAnswer":116},"Why are the prior standard conduit detail drawings with anti-seep collars no longer applicable?",{"text":117,"@type":113},"Technical Release No.60 changed the method for controlling seepage along principal spillway structures from antiseep collars to drainage diaphragms with filters.",{"name":119,"@type":110,"acceptedAnswer":120},"What filing and record updates does the note require?",{"text":121,"@type":113},"Replace ES-195 in Design Note No.18 with the enclosed Revised ES-195 dated 5-86, and delete the “ES-154 Pipe Conduits” line under Group B on page 1; ES-154 must be removed from Design Note No.18.","https://schema.org",{"og:url":83,"og:type":124,"og:title":65,"og:site_name":95,"og:description":67},"article",{"robots":126,"canonical":83},"index,follow",{"doc_id":128,"site_id":62},663713,1793230633,{"code":4,"msg":5,"data":131},{"doc_id":128,"user_id":132,"nickname":92,"user_avatar":133,"doc_module":4,"category_id":39,"category_name":40,"doc_title":65,"doc_description":67,"doc_content":134,"file_id":135,"file_url":136,"file_type":137,"file_size":138,"view_count":8,"is_deleted":4,"is_public":8,"is_downloadable":8,"audit_status":8,"page_count":14,"language":139,"language_code":63,"site_id":62,"html_lang":63,"table_of_contents":140,"faqs":141,"seo_title":142,"seo_description":67,"update_tm":129,"read_time":24},2336475104957,"https://ap-avatar.wpscdn.com/avatar/22000c4c6bd8a5076e1?x-image-process=image/resize,m_fixed,w_180,h_180&k=1787554080175789136","June 11,1986  \nDESIGN NOTE NO.18,Amendment 2210-VI  \nSUBJECT:  ENG-UNATTACHED ES DRAWINGS  \nPurpose.  To distribute the revised Engineering Standard Drawing,ES-195,\"Standard Conduit Details\".and cancel Engineering Standard Drawing,ES-154,Standard for Pipe Conduits\".  \nEffective Date.Effective when received.  \nExplanation.The latest revision of Technical Release No.60 changedthe method for controlling seepage along principal spillway structuresfrom antiseep collars to drainage diaphragms with filters.  Therefore,the present series of Standard Conduit Detail Drawings containing anti-seep collars are no longer applicable.A new set of Standard ConduitDetail Drawings consisting of only three sheets have been prepared toreplace the forty eight sheets of the ES-50DD and ES-51DD series.  Thethree new sheetsandmay beobtained by request to the SNTC.  \nFiling Instructions.Replace ES-195 of Design Note No.18 with the enclosedRevised ES-195 dated 5-86.  Delete the line \"ES-154 Pipe Conduits\"under GroupB on page 1 of Design Note No.18.  ES-154 is hereby canceled and should beremoved from Design Note No.18.  \nDistribution.The distribution is shown on the reverse side.  Additionalcopies may be obtained from Central Supply by ordering Form Catalog OrderNo.DN-18A.  \nActing for  \nEDWARD E.THOMASDeputy Chief for Technology  \nEnclosure  \nDIST:  DN-18  \n| AVAILABLE STANDARD DEIAIL DRAWINGS  \u003Cbr>FOR  \u003Cbr>REINFORCED CONCREIE PRESSURE PIPE  \u003Cbr>PRINCIPAL SPTLLWAYS   |\n| --- |\n|  |\n\n●  \n# STANDARD PLANS:  STANDARD CONDUIT DETAILSSCHEDULE SHOWING DRAWING NUMBERS\n\nKey to Drawing Numbers  \nThe drawing numbers of the Standard Detail Drawings for StandardConduit Details are given by:  \nwhere  \npipe is supported on Al cradle or B1 bedding(1)pipe is supported on A2 cradle(2)  \nDD三D=pipe conduit diameter,inches  \n三  \npipe is supported on cradles or beddings  \n三  \nfoundation is earth(yielding)or rock(non-yielding)  \n# Completion of Standard Detail Drawings\n\nVarious items must be filled in to complete the drawings forinclusion in a set of construction plans.These are:the ESdrawing number(the pipe diameter,DD,foundation is earth,  \nE,or rock,R),the pipe strength requirements,the pipe jointrequirements,the steel schedule,and material quantities.Relations are given from which the volumes of concrete may beobtained.  \n\n| REFERENCE   | U.S.DEPARTMENT OF AGRICULTURE  \u003Cbr>SOIL CONSERVATION SERVICE  \u003Cbr>ENGINEERING DIVISION·DESIGN UNIT   | STANDARD DWG.NO.  \u003Cbr>195  \u003Cbr>ES.  \u003Cbr>SHEET 1 OF 1  \u003Cbr>5-86  \u003Cbr>DATE   |\n| --- | --- | --- |","cbCaicbSHEPz3TG8","https://ap.wps.com/l/cbCaicbSHEPz3TG8","pdf",79306,"English","# Purpose\n## Effective Date\n## Explanation and Revision Summary\n## Filing Instructions\n## Distribution and Availability\n# Completion of Standard Detail Drawings\n## Key to Drawing Numbers","[{\"question\":\"What is the purpose of Design Note No.18?\",\"answer\":\"To distribute the revised Engineering Standard Drawing ES-195 “Standard Conduit Details” and cancel Engineering Standard Drawing ES-154 “Standard for Pipe Conduits.”\"},{\"question\":\"Why are the prior standard conduit detail drawings with anti-seep collars no longer applicable?\",\"answer\":\"Technical Release No.60 changed the method for controlling seepage along principal spillway structures from antiseep collars to drainage diaphragms with filters.\"},{\"question\":\"What filing and record updates does the note require?\",\"answer\":\"Replace ES-195 in Design Note No.18 with the enclosed Revised ES-195 dated 5-86, and delete the “ES-154 Pipe Conduits” line under Group B on page 1; ES-154 must be removed from Design Note No.18.\"}]","DESIGN NOTE NO.18 - ENG-UNATTACHED ES DRAWINGS - Purpose, Effective Date, and Filing Instructions | PDF"]