[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"detail-sidebar-cat-0-en-105":3,"doc-seo-649579-105":59,"doc-detail-649579-en":130},{"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":123,"head_meta":125,"extra_data":127,"updated_unix":129},105,"en","standard-drawings-and-details-tvmwd-w-08-8-blowoff-case-ia-detailed-notes","Standard Drawings and Details - TVMWD W-08 - 8\" Blowoff Case IA - Detailed Notes","","Standard drawings and details for Three Valleys Municipal Water District (TVMWD) focusing on blowoff configurations and associated maintenance structures. The document lists drawing numbers and sheet references for TVMWD standard drawing W-08, including 8\" blowoff case IA and case IB, maintenance hole shaft details, wall-mounted features, ladders, and related valve box and extension configurations. It also includes project notes covering concrete and traffic loading requirements, epoxy and wax tape coating procedures, bolt and gasket supply, and field-cutting and welding 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":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/standard-drawings-and-details-tvmwd-w-08-8-blowoff-case-ia-detailed-notes/649579/",{"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/standard-drawings-and-details-tvmwd-w-08-8-blowoff-case-ia-detailed-notes/649579.png","ImageObject",300,407,{"name":92,"@type":93},"Aurelia","Person",{"url":74,"name":95,"@type":96},"DocShare","Organization","application/pdf","2026-10-26","2026-10-24",true,{"@type":102,"interactionType":103,"userInteractionCount":81},"InteractionCounter",{"@type":104},"ViewAction",{"@type":106,"mainEntity":107},"FAQPage",[108,114,118],{"name":109,"@type":110,"acceptedAnswer":111},"What does the TVMWD standard drawing W-08 cover?","Question",{"text":112,"@type":113},"It provides standard drawings and details for TVMWD, including 8\" blowoff cases (IA and IB) and related maintenance structure details referenced across multiple sheets.","Answer",{"name":115,"@type":110,"acceptedAnswer":116},"What are the coating and surface preparation requirements mentioned in the notes?",{"text":117,"@type":113},"The notes specify cleaning and preparing bare metal surfaces, applying epoxy coatings, then adding wax tape over coated areas, with additional outer wrap where wax tape is applied to direct-buried pipe and appurtenances.",{"name":119,"@type":110,"acceptedAnswer":120},"Which traffic loading and material standards are referenced for the maintenance hole shaft sections?",{"text":121,"@type":113},"The notes state that precast concrete circular maintenance hole shaft sections are designed for AASHTO HS 20-44 traffic loading and must comply with ASTM C478.","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},649579,1792865301,{"code":4,"msg":5,"data":131},{"doc_id":128,"user_id":132,"nickname":92,"user_avatar":133,"doc_module":4,"category_id":29,"category_name":30,"doc_title":65,"doc_description":67,"doc_content":134,"file_id":135,"file_url":136,"file_type":137,"file_size":138,"view_count":81,"is_deleted":4,"is_public":8,"is_downloadable":8,"audit_status":8,"page_count":139,"language":140,"language_code":63,"site_id":62,"html_lang":63,"table_of_contents":141,"faqs":142,"seo_title":143,"seo_description":67,"update_tm":144,"read_time":145},1099514068365,"https://ap-avatar.wpscdn.com/avatar/10000253d8d9f28188e?_k=1776742907772140068","# Standard Drawings and Details\n\nDrawing No.  \nW-0  \nW-01  \nW-02  \nW-03  \nW-04  \nW-05  \nW-06  \nW-07  \nW-08  \nW-09  \nW-10  \nW-11  \nW-12  \nW-13  \nW-14  \nW-15  \n## TVMWD STANDARD DRAWINGSTABLE OF CONTENTS\n\nDescription  \nConstruction SignTypical Concrete Thrust Block  \nTypical Trench Excavation and Backfill,Pavement ResurfacingArea,Trench Plate Detail(within City of La Verne and City ofClaremont)  \nValve Box,Cover and Valve Stem Extension Detail (Gate Valve &Butterfly Valve)  \nAccess Manway DetailDirect Buried Butterfly ValveSingle 6”Combination Air ValveDouble 6”Combination Air Valve8”Blowoff (Cases IA and IB)8”Blowoff (Cases IIA and IIB)  \nRadial Outlet-Flanged End,Plain End,Tangential Outlet,Reducer&Enlarger,and Steel Flanges)  \nMechanical Coupling and Joint Harness Assembly  \nMechanical Coupling and Anchor Box Assembly  \nMaintenance Hole Shaft  \nWall-Mounted Ladder  \nLadder Bracket  \nTVMWD  \nREVISION  \nSCALE  \nFEB./2020  \nDATE  \nNONE  \nAPPROVED  \nTHREE VALLEYS MUNICIPAL WATER DISTRICT  \n8\"BLOWOFF-CASE IA  \nDATE  \nMATTHEWH.LITCHFIELD,P.E.RCE 58079  \nSTANDARD  \nDRAWING  \nTVMWD  \nW-08  \nSHEET 1 OF 9  \nSTANDARDTHREE VALLEYS MUNICIPAL WATER DISTRICTDRAWING8\"BLOWOFF-CASE IBTVMWDTVMWDFEB./2020  \nW-08REVISIONDATEAPPROVEDDATF                  SCALENONEMATTHEW H.LITCHFIELD,P.E.RCE 58079SHEET 2 OF 9  \nTVMWD  \nREVISION  \nSCALE  \nFEB./2020  \nDATE  \nNONE  \nAPPROVED  \nTHREE VALLEYS MUNICIPAL WATER DISTRICT  \nBLOWOFF MAINT.HOLE SHAFT-  \nMATTHEWH.LITCHFIELD,P.E.RCE 58079m  \nDETAIL C  \nDATE         318|202  \nSTANDARD  \nDRAWING  \nTVMWD  \nW-08  \nSHEET 3 OF 9  \n|  |  | THREE VALLEYS  \u003Cbr>MWD  \u003Cbr>水   | THREE VALLEYS MUNICIPAL WATER DISTRICT   | STANDARD  \u003Cbr>DRAWING   |\n| --- | --- | --- | --- | --- |\n|  |  |  |  |  |\n|  |  |  | BLOWOFF MAINT.HOLE SHAFT-  \u003Cbr>ECTION D   | TVMWD  \u003Cbr>W-08  \u003Cbr>SHEET 4 OF 9   |\n| TVMWD   | FEB./2020   |  |  |  |\n| REVISION   | DATE   | APPROVED  \u003Cbr>DATE  \u003Cbr>31181zo21  \u003Cbr>Me   |  |  |\n| NONE  \u003Cbr>SCALE:   |  |  |  |  |\n\nTVMWD  \nREVSION  \nSCALE  \nFEB./2020  \nDATE  \nNONE  \nTHREE VALLEYS  \nMWD  \nAPPROVED  \nTHREE VALLEYS MUNICIPAL WATER DISTRICT  \n8\"BLOWOFF CASE IA-  \nDETAILE  \nMATTHEWH.LITCHFIELD,P.E.RCE 58079u  \nDATF         3118|2c2  \nSTANDARD  \nDRAWING  \nTVMWD  \nW-08  \nSHEET 5 OF 9  \nTVMWD  \nREVISION  \nSCALE:  \nFEB./2020  \nDATE  \nNONE  \nAPPROVED  \nTHREE VALLEYS MUNICIPAL WATER DISTRICT  \n8\"BLOWOFF CASE IB-  \nDETAIL F  \n10  \nDATE         311812uZI  \nMATTHEWH.LITCHFIELD,P.E.RCE 58079  \nSTANDARD  \nDRAWING  \nTVMWD  \nW-08  \nSHEET 6 OF 9  \nTHREE VALLEYS MUNICIPAL WATER DISTRICT  \nPIPE THROUGH MH WALL SHAFT-  \nDETAIL G  \nTVMWD  \nREVISION  \nSCALE  \nFEB./2020  \nDATF  \nNONE  \nAPPROVED  \nDATE318|202|           \nSTANDARD  \nDRAWING  \nTVMWD  \nW-08  \nSHEET 7 OF 9  \n\n| NOTES:  \u003Cbr>1.  PRECAST CONCRETE CIRCULAR MAINTENANCE HOLE SHAFT SECTIONS SHALL BE DESIGNED FOR  \u003Cbr>AASHTO HS 20-44 TRAFFIC LOADING AND SHALL COMPLY WITH ASTM C478  \u003Cbr>2.  SUPPLY ALL BOLTS,NUTS,AND GASKETS FOR INSTALLING GATE VALVES AND BLIND FLANGES  \u003Cbr>3A.  CLEAN AND PREPARE ALL BARE METAL PIPE AND APPURTENANCE SURFACES.THEN COAT WITH  \u003Cbr>POWERCRETE JEPOXY(FOR DIRECT-BURIED)OR AMERLOCK 2VOC EPOXY (FOR INSIDE SHAFT AND  \u003Cbr>DIRECT BURIED BOLTS,NUTS AND WASHERS,).THEN APPLY TRENTON WAX TAPE\\#1(FOR  \u003Cbr>DIRECT-BURIED)OR\\#2(FOR INSIDE SHAFT)OVER ALL EPOXY-COATED SURFACES,INCLUDING  \u003Cbr>SHOP-COATED GATE VALVES AND COUPLINGS,AND FLANGED CONNECTIONS.PRIOR TO THE  \u003Cbr>PLACEMENT OF THE WAX TAPE,APPLY TRENTON FILL-PUTTY TO THE CONTOURS OF IRREGULAR  \u003Cbr>FITTINGS OR SURFACES.WHERE WAX TAPE IS APPLIED TO DIRECT-BURIED PIPE AND PIPE  \u003Cbr>APPURTENANCES,WRAP THE PIPE AND PIPE APPURTENANCES WITH TRENTON MC OUTERWRAP.  \u003Cbr>3B.CLEAN AND PREPARE ALL BARE METAL PIPE AND APPURTENANCE SURFACES INCLUDING BOLTS,  \u003Cbr>NUTS AND WASHERS.THEN COAT WITH POWERCRETE JEPOXY(FOR DIRECT-BURIED).THEN APPLY  \u003Cbr>TRENTON WAX TAPE\\#1(FOR DIRECT-BURIED)OR\\#2(FOR INSIDE SHAFT)OVER ALL EPOXY-COATED  \u003Cbr>SURFACES,INCLUDING SHOP-COATED GATE VALVES AND COUPLINGS,AND FLANGED CONNECTIONS.  \u003Cbr>PRIOR TO T","cbCaifd5MsBBNulG","https://ap.wps.com/l/cbCaifd5MsBBNulG","pdf",20227658,62,"English","# Standard Drawings and Details\n## Drawing Index and Description\n## 8\" Blowoff Details (Case IA / Case IB)\n## Maintenance Hole Shaft and Related Components\n## Notes and Construction Requirements","[{\"question\":\"What does the TVMWD standard drawing W-08 cover?\",\"answer\":\"It provides standard drawings and details for TVMWD, including 8\\\" blowoff cases (IA and IB) and related maintenance structure details referenced across multiple sheets.\"},{\"question\":\"What are the coating and surface preparation requirements mentioned in the notes?\",\"answer\":\"The notes specify cleaning and preparing bare metal surfaces, applying epoxy coatings, then adding wax tape over coated areas, with additional outer wrap where wax tape is applied to direct-buried pipe and appurtenances.\"},{\"question\":\"Which traffic loading and material standards are referenced for the maintenance hole shaft sections?\",\"answer\":\"The notes state that precast concrete circular maintenance hole shaft sections are designed for AASHTO HS 20-44 traffic loading and must comply with ASTM C478.\"}]","Standard Drawings and Details - TVMWD W-08 - 8\" Blowoff Case IA - Detailed Notes | PDF",1792802193,156]