[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"detail-sidebar-cat-0-en-105":3,"doc-seo-674431-105":59,"doc-detail-674431-en":129},{"code":4,"msg":5,"data":6},0,"success",[7,13,18,23,28,33,38,43,48,51,55],{"id":8,"doc_module":4,"doc_module_name":9,"category_name":10,"show_sort_weight":11,"slug":12},1,"Document","Story & Novel",90,"story-novel",{"id":14,"doc_module":4,"doc_module_name":9,"category_name":15,"show_sort_weight":16,"slug":17},2,"Literature",80,"literature",{"id":19,"doc_module":4,"doc_module_name":9,"category_name":20,"show_sort_weight":21,"slug":22},4,"Exam",70,"exam",{"id":24,"doc_module":4,"doc_module_name":9,"category_name":25,"show_sort_weight":26,"slug":27},5,"Comic",60,"comic",{"id":29,"doc_module":4,"doc_module_name":9,"category_name":30,"show_sort_weight":31,"slug":32},6,"Technology",50,"technology",{"id":34,"doc_module":4,"doc_module_name":9,"category_name":35,"show_sort_weight":36,"slug":37},7,"Healthcare",40,"healthcare",{"id":39,"doc_module":4,"doc_module_name":9,"category_name":40,"show_sort_weight":41,"slug":42},8,"Research & Report",30,"research-report",{"id":44,"doc_module":4,"doc_module_name":9,"category_name":45,"show_sort_weight":46,"slug":47},9,"Religion & Spirituality",20,"religion-spirituality",{"id":46,"doc_module":4,"doc_module_name":9,"category_name":49,"show_sort_weight":46,"slug":50},"World Cup","world-cup",{"id":52,"doc_module":4,"doc_module_name":9,"category_name":53,"show_sort_weight":52,"slug":54},10,"Lifestyle","lifestyle",{"id":56,"doc_module":4,"doc_module_name":9,"category_name":57,"show_sort_weight":24,"slug":58},19,"General","general",{"code":4,"msg":60,"data":61},"ok",{"site_id":62,"language":63,"slug":64,"title":65,"keywords":66,"description":67,"schema_data":68,"social_meta":122,"head_meta":124,"extra_data":126,"updated_unix":128},105,"en","developer-services-construction-details-manhole-type-1-detail","Developer Services Construction Details - Manhole Type 1 Detail","","Developer Services Construction Details document specifies approved manhole construction layouts, materials, and dimensional requirements for Manhole Type 1, including base, benching, ladder/steps, incoming connection, channel formation, and cover/frame guidance. It lists key notes on millimetre units, continuous concrete placement, connection soffit levels, metalwork references, concrete surround conditions, channel length minima, epoxy treatment for cut pipe ends, and relevant access and safety-chain provisions. Includes drawing metadata and revision information.",{"@graph":69,"@context":121},[70,84,104],{"@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":30,"@type":76,"position":81},"https://docshare.wps.com/document/technology/",3,{"item":83,"name":65,"@type":76,"position":19},"https://docshare.wps.com/document/developer-services-construction-details-manhole-type-1-detail/674431/",{"url":83,"name":65,"@type":85,"image":86,"author":91,"headline":65,"publisher":94,"fileFormat":97,"inLanguage":63,"description":67,"dateModified":98,"datePublished":98,"encodingFormat":97,"isAccessibleForFree":99,"interactionStatistic":100},"DigitalDocument",{"url":87,"@type":88,"width":89,"height":90},"https://docshare.wps.com/thumbnails/developer-services-construction-details-manhole-type-1-detail/674431.png","ImageObject",300,407,{"name":92,"@type":93},"Fahsai","Person",{"url":74,"name":95,"@type":96},"DocShare","Organization","application/pdf","2026-11-04",true,{"@type":101,"interactionType":102,"userInteractionCount":4},"InteractionCounter",{"@type":103},"ViewAction",{"@type":105,"mainEntity":106},"FAQPage",[107,113,117],{"name":108,"@type":109,"acceptedAnswer":110},"What does Manhole Type 1 specify regarding pipe and benching depth?","Question",{"text":111,"@type":112},"Manhole Type 1 is defined for pipes not exceeding 525 diameter, with the depth to benching not exceeding 9000 when cover is located in the field.","Answer",{"name":114,"@type":109,"acceptedAnswer":115},"What are the key requirements for concrete placement and benching surfaces?",{"text":116,"@type":112},"Concrete benching and pipe surround must be placed in a single continuous operation from the top of base slab to the top of benching and pipe surround. The benching surface requires steel trowel finish and channel surfaces must be fair worked.",{"name":118,"@type":109,"acceptedAnswer":119},"What guidance is given for metalwork, access, and safety chain?",{"text":120,"@type":112},"Ladders, handrailing, and safety chain follow Developer Services Detail 9, while manhole access options and details reference Developer Services Detail 10. The document also includes an access arrangement and notes on double step usage and dimensional constraints.","https://schema.org",{"og:url":83,"og:type":123,"og:title":65,"og:site_name":95,"og:description":67},"article",{"robots":125,"canonical":83},"index,follow",{"doc_id":127,"site_id":62},674431,1793762630,{"code":4,"msg":5,"data":130},{"doc_id":127,"user_id":131,"nickname":92,"user_avatar":132,"doc_module":4,"category_id":29,"category_name":30,"doc_title":65,"doc_description":67,"doc_content":133,"file_id":134,"file_url":135,"file_type":136,"file_size":137,"view_count":4,"is_deleted":4,"is_public":8,"is_downloadable":8,"audit_status":8,"page_count":138,"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":128,"read_time":41},549768702563,"https://ap-avatar.wpscdn.com/avatar/8000c4aa63b76e948b?x-image-process=image/resize,m_fixed,w_180,h_180&k=1786536092046926083","Developer Services  \nConstruction Details  \nApproved details  \n• Developer Services Detail 1 – Manhole Type 1  \n• Developer Services Detail 2 – Manhole Type 2  \n• Developer Services Detail 3 – Manhole Type 4  \n• Developer Services Detail 4 – SW Shallow Manhole  \n• Developer Services Detail 5 – Flow Control Manhole  \n• Developer Services Detail 7 – External Backdrop Detail  \n• Developer Services Detail 8 – Pipe Bedding Detail  \n• Developer Services Detail 10 – Variable Manhole Features  \n• Developer Services Detail 11 – Headwall Type 1 Detail  \n• Developer Services Detail 12-Headwall Type 2 and 3 Details  \nCopyright © United Utilities Water Limited 2016  \n2  \n\n| \u003Cbr>GROUND LEVEL\u003Cbr>\u003Cbr>\u003Cbr>\u003Cbr>\u003Cbr>\u003Cbr>\u003Cbr>\u003Cbr>\u003Cbr>\u003Cbr>\u003Cbr>\u003Cbr>\u003Cbr>BASE ( SEE NOTE 10)~~ ~~\u003Cbr>75 CONCRETE BLINDING\u003Cbr>\u003Cbr>225 THK CONCRETE\u003Cbr>DOUBLE STEPS AT 300 CENTRES VERTICALLY\u003Cbr>LADDER OR DOUBLE STEPS AT 250/300 CENTRES VERTICALLY (v.f.\"A\")\u003Cbr>100 MIN/200 MAX THICKNESS OF BENCHING CONCRETE BETWEEN OUTSIDE TOP SURFACE OF PIPE AND CHAMBER RING.\u003Cbr>MINIMUM RADIUS OF EXPOSED ARRISES TOBE 40. BENCHING SURFACE WITH STEEL TROWEL FINISH. CHANNEL SURFACES FAIR WORKED.\u003Cbr>HALF ROUND P.C.C. OR V.C.\u003Cbr>INCOMING CONNECTION\u003Cbr>300 9000 MAX\u003Cbr>300 MAX\u003Cbr>2000 MIN\u003Cbr>350-600\u003Cbr>INVERT TO FORM CHANNEL WHERE APPROPRIATE.\u003Cbr>\u003Cbr>\u003Cbr>MANHOLE TYPE 1-PIPES NOT   EXCEEDING 525 DIAMETER  (DEPTH TO BENCHING NOT EXCEEDING 9000)\u003Cbr>WHERE COVER IS LOCATED IN FIELD\u003Cbr>NOTES\u003Cbr>1. ALL DIMENSIONS ARE IN MILLIMETRES\u003Cbr>2. CONCRETE BENCHING AND PIPE SURROUND\u003Cbr>SHALL BE PLACED IN SINGLE CONTINUOUS OPERATION FROM TOP OF BASE SLAB TO TOP OF BENCHING AND PIPE SURROUND\u003Cbr>3. CONNECTION INTO MANHOLES\u003Cbr>SHALL BE CONSTRUCTED WITH THE SOFFITS LEVEL UNLESS DETAILED DIFFERENTLY ON CONTRACT DRAWINGS\u003Cbr>4. METALWORK\u003Cbr>LADDERS, HANDRAILING AND SAFETY CHAIN SHALL BE AS SHOWN ON DEVELOPER SERVICES DETAIL 9 (STND/19/009)\u003Cbr>5. CONCRETE SURROUND TO MANHOLES\u003Cbr>A CONCRETE SURROUND IS NOT NORMALLY REQUIRED TO MANHOLES UNLESS INSTALLED IN AREAS OF UNSTABLE GROUND, UNDER\u003Cbr>CONDITIONS OF FLOTATION OR WHERE SUBJECTED TO EXCEPTIONAL OR ECCENTRIC LOADS. IN WHICH CASES A 150 SURROUND OF AT LEAST 20 N/mm CONCRETE SHALL BE PROVIDED. ANY JOINTS SHOULD BE STAGGERED WITH PRECAST CONCRETE JOINTS\u003Cbr>6. MINIMUM LENGTH OF CHANNEL (X Min)\u003Cbr>CHAMBER DIA ''X'' MIN 1050 800 1200 950 1350 1000 1500 1050 1800 1150 2100 1300 2400 1450 2700 1550 3000 1700\u003Cbr>7. CUT ENDS OF REINFORCED CONCRETE PIPES\u003Cbr>SHALL BE TREATED WITH EPOXY RESIN\u003Cbr>PAINT/MORTAR\u003Cbr>8. MANHOLE ACCESSES FOR MANHOLE ACCESS OPTIONS AND DETAILS SEE DEVELOPER SERVICES DETAIL 10 (STND/19/010)\u003Cbr>DOUBLE STEPS SHALL BE PLASTIC ENCAPSULATED CARBON STEEL TO BS EN 1247-2. DOUBLE STEPS SHALL NOT BE USED WHERE COVER-TO-SOFFIT DIMENSION IS >3 .0m\u003Cbr>9. COVER AND FRAME\u003Cbr>150 DEEP COVERS ARE TO BE USED IN CATEGORY 1, 2, 3 ROADS. 100 DEEP COVERS ARE TO BE USED IN CATEGORY 4 ROADS. DOUBLE TRIANGULAR COVERS ARE TO BE USED IN CARRIAGEWAY. ROAD CATEGORY TO BE DESIGNATED BY THE HIGHWAY AUTHORITY. FRAME TO BE SET AS PER SPECIFICATION\u003Cbr>10.CONCRETE\u003Cbr>ALL IN-SITU CONCRETE TO BE DC-3 OR FND3 11. VARIABLE FEATURES (V.F.)\u003Cbr>WHERE V. F. APPEARS IN ANNOTATION REFER TO VARIABLE FEATURES AS SHOWN ON DEVELOPER SERVICES DETAIL 10 (STND/19/010)\u003Cbr>c in in in |  |  |  |  |  |  |  |\n| --- | --- | --- | --- | --- | --- | --- | --- |\n|  | CURRENT ISSUE INFORMATION\u003Cbr>B. DEPTH TO BENCHING INCREASED TO 9m MAX. |  |  |  |  |  |  |\n|  | B | SC | DH | JH | FOR INFORMATION |  | 26.07.24 |\n|  | VERSION | DRWN | CHKD | REVD |  |  | DATE |\n|  | |  |  |  |  |  |  |\n|  | UNITED UTILITIES LTD\u003Cbr>DEVELOPER SERVICES\u003Cbr>DETAIL 1\u003Cbr>MANHOLE TYPE 1 |  |  |  |  |  |  |\n|  | SCALE NTS |  |  |  |  | SHEET SIZE A3 |  |\n|  | DRAWING NUMBER\u003Cbr>STND/19/001 |  |  |  |  | REVISION\u003Cbr>B |  |\n\nThe copyright of this document, which contains information of a proprietary nature, is vested United Utilities Water Limited. The content of this document may not be used for purposes other than that for which it has been supplied and","cbCaie05T4KlIBRc","https://ap.wps.com/l/cbCaie05T4KlIBRc","pdf",2274306,12,"English","# Developer Services Construction Details\n## Approved details overview\n## Manhole Type 1 - Piping and depth limitations\n## Ground level and base dimensions\n## Benchings, channel formation, and materials\n## Notes: concrete, metalwork, access, and covers\n## Manhole access detail references","[{\"question\":\"What does Manhole Type 1 specify regarding pipe and benching depth?\",\"answer\":\"Manhole Type 1 is defined for pipes not exceeding 525 diameter, with the depth to benching not exceeding 9000 when cover is located in the field.\"},{\"question\":\"What are the key requirements for concrete placement and benching surfaces?\",\"answer\":\"Concrete benching and pipe surround must be placed in a single continuous operation from the top of base slab to the top of benching and pipe surround. The benching surface requires steel trowel finish and channel surfaces must be fair worked.\"},{\"question\":\"What guidance is given for metalwork, access, and safety chain?\",\"answer\":\"Ladders, handrailing, and safety chain follow Developer Services Detail 9, while manhole access options and details reference Developer Services Detail 10. The document also includes an access arrangement and notes on double step usage and dimensional constraints.\"}]","Developer Services Construction Details - Manhole Type 1 Detail | PDF"]