[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"detail-sidebar-cat-1-en-105":3,"doc-seo-242378-105":53,"doc-detail-242378-en":126},{"code":4,"msg":5,"data":6},0,"success",[7,14,19,24,29,34,39,44,49],{"id":8,"doc_module":9,"doc_module_name":10,"category_name":11,"show_sort_weight":12,"slug":13},11,1,"Template","Presentations",90,"presentations",{"id":15,"doc_module":9,"doc_module_name":10,"category_name":16,"show_sort_weight":17,"slug":18},12,"Resumes",80,"resumes",{"id":20,"doc_module":9,"doc_module_name":10,"category_name":21,"show_sort_weight":22,"slug":23},14,"Invoices",70,"invoices",{"id":25,"doc_module":9,"doc_module_name":10,"category_name":26,"show_sort_weight":27,"slug":28},15,"Posters",60,"posters",{"id":30,"doc_module":9,"doc_module_name":10,"category_name":31,"show_sort_weight":32,"slug":33},16,"Social Media",50,"social-media",{"id":35,"doc_module":9,"doc_module_name":10,"category_name":36,"show_sort_weight":37,"slug":38},17,"Forms",40,"forms",{"id":40,"doc_module":9,"doc_module_name":10,"category_name":41,"show_sort_weight":42,"slug":43},18,"Letters",30,"letters",{"id":45,"doc_module":9,"doc_module_name":10,"category_name":46,"show_sort_weight":47,"slug":48},21,"Paper Templates",5,"papers-templates",{"id":50,"doc_module":9,"doc_module_name":10,"category_name":51,"show_sort_weight":4,"slug":52},158,"General","general-158",{"code":4,"msg":54,"data":55},"ok",{"site_id":56,"language":57,"slug":58,"title":59,"keywords":60,"description":61,"schema_data":62,"social_meta":119,"head_meta":121,"extra_data":123,"updated_unix":125},105,"en","ncdot-statewide-permit-guidelines-management-and-disposal-of-concrete-grinding-residuals-special-provisionguidelines","NCDOT Statewide Permit Guidelines - Management and Disposal of Concrete Grinding Residuals - Special Provision/Guidelines","","NCDOT guidance outlines permitted options for managing and disposing concrete residual waste liquids, slurries, and solids produced during concrete milling, hydrodemolition, diamond grinding, grooving, and sawing. It explains how contractors must handle CGR, including DGS and HOS, under EPA and RCRA hazardous-waste requirements and North Carolina DWR/DWM rules. The document covers contractor responsibilities, permit references, collection and containment, sampling and pH control, spill control, solid waste disposal options, and required plan submissions and approvals, including conditions for temporary storage.",{"@graph":63,"@context":118},[64,80,101],{"@type":65,"itemListElement":66},"BreadcrumbList",[67,71,74,77],{"item":68,"name":69,"@type":70,"position":9},"https://docshare.wps.com","Home","ListItem",{"item":72,"name":10,"@type":70,"position":73},"https://docshare.wps.com/template/",2,{"item":75,"name":51,"@type":70,"position":76},"https://docshare.wps.com/template/general/",3,{"item":78,"name":59,"@type":70,"position":79},"https://docshare.wps.com/template/ncdot-statewide-permit-guidelines-management-and-disposal-of-concrete-grinding-residuals-special-provisionguidelines/242378/",4,{"url":78,"name":59,"@type":81,"image":82,"author":87,"headline":59,"publisher":90,"fileFormat":93,"inLanguage":57,"description":61,"dateModified":94,"datePublished":95,"encodingFormat":93,"isAccessibleForFree":96,"interactionStatistic":97},"DigitalDocument",{"url":83,"@type":84,"width":85,"height":86},"https://docshare.wps.com/thumbnails/ncdot-statewide-permit-guidelines-management-and-disposal-of-concrete-grinding-residuals-special-provisionguidelines/242378.png","ImageObject",442,249,{"name":88,"@type":89},"Aditya","Person",{"url":68,"name":91,"@type":92},"DocShare","Organization","application/pdf","2026-09-20","2026-09-12",true,{"@type":98,"interactionType":99,"userInteractionCount":76},"InteractionCounter",{"@type":100},"ViewAction",{"@type":102,"mainEntity":103},"FAQPage",[104,110,114],{"name":105,"@type":106,"acceptedAnswer":107},"What wastes and operations does the NCDOT guidance cover for CGR management and disposal?","Question",{"text":108,"@type":109},"The guidance covers residual liquids, slurries, and solids generated by concrete milling, hydrodemolition, diamond grinding, grooving, and sawing, including diamond grinding slurry (DGS) and hydrodemolition operation slurry (HOS).","Answer",{"name":111,"@type":106,"acceptedAnswer":112},"What approvals and documentation are required before starting an HOS/DGS operation?",{"text":113,"@type":109},"Contractors must submit a written HOS/DGS Management and Disposal Plan to the NCDOT Resident Engineer at least 45 days before work. The plan must be reviewed and approved prior to beginning operations.",{"name":115,"@type":106,"acceptedAnswer":116},"Why is sampling and pH control required for HOS/DGS?",{"text":117,"@type":109},"At pH 12.5 or greater, HOS and DGS are considered hazardous waste under RCRA, requiring compliance with RCRA transportation, storage, and disposal rules. Contractors must sample and test to determine characteristic hazardous waste status and potentially adjust pH before transport.","https://schema.org",{"og:url":78,"og:type":120,"og:title":59,"og:site_name":91,"og:description":61},"article",{"robots":122,"canonical":78},"index,follow",{"doc_id":124,"site_id":56},242378,1789189829,{"code":4,"msg":5,"data":127},{"doc_id":124,"user_id":128,"nickname":88,"user_avatar":129,"doc_module":9,"category_id":50,"category_name":51,"doc_title":59,"doc_description":61,"doc_content":130,"file_id":131,"file_url":132,"file_type":133,"file_size":134,"view_count":76,"is_deleted":4,"is_public":9,"is_downloadable":9,"audit_status":9,"page_count":135,"language":136,"language_code":57,"site_id":56,"html_lang":57,"table_of_contents":137,"faqs":138,"seo_title":139,"seo_description":61,"update_tm":125,"read_time":140},962085564549,"https://ap-avatar.wpscdn.com/davatar_085a072bc5b1113ac321206ff7593b45","SPECIAL PROVISION/GUIDELINES FOR DIAMOND GRINDING AND HYDRODEMOLITION OPERATION SLURRY DISPOSAL, BENEFICIAL USE OR SOLID DISPOSAL AS BENEFICIAL FILL-May 2 , 2019  \nNCDOT GUIDELINES ON THE MANAGEMENT AND DISPOSAL OF CONCRETE GRINDING RESIDUALS  \nMay 2019  \nThe North Carolina Department of Transportation (NCDOT) has prepared this guidance to summarize the permitted options for the management and disposal of concrete residual waste liquids, slurries and solids generated by concrete milling, hydrodemolition, grinding, grooving and sawing of new or old concrete. This guidance will list and explain the options available to NCDOT contractors and subcontractors for the management and disposal of concrete grinding residuals (CGR), including diamond grinding slurry (DGS) and hydrodemolition operation slurry (HOS) . Refer to Table 1-HOS/DGS Reuse and Disposal Options at the end of this document for further clarification on management and disposal options.  \nThe NCDOT and its contractors are legally responsible for all industrial process wastes generated during construction, maintenance and preservation projects. The federal regulations from the Environmental Protection Agency (EPA) and the Resource Conservation and Recovery Act (RCRA) and corresponding waste disposal regulations from the North Carolina Department of Natural Resources (NCDENR) Division of Water Resources (DWR) and the Division of Waste Management (DWM) follow hazardous wastes generated “from cradle to grave”, requiring NCDOT to perform waste determinations, document, manage and dispose of wastes according to state and federal regulations. (See NC Hazardous Waste Management Rules [http://portal.ncdenr.org/web/wm/hw/rules/statelaws](http://portal.ncdenr.org/web/wm/hw/rules/statelaws))  \nDischarges of industrial process wastes (liquid or solid) to surface waters, the land surface, the subsurface, and/or to groundwater require permit approval by NCDENR, DWR, and/or DWM. In 2013, NCDOT received a programmatic statewide permit (NCDENR-DWR Permit No. WQ0035749) for distribution ofthe HOS/DGS as a Class A residual. On 3/01/2019, Permit WQ0035749 was renewed and a copy of this permit is included as (Attachment A) .  \nTo further assist Contractors, NCDOT has developed a HOS/DGS Management and Disposal Plan template (Attachment B) that, when completed by the Contractors, will include the information required by NCDOT for approval prior to beginning a project. This template includes minimum information required to maintain compliance with environmental regulations. It remains the responsibility of the Contractor/ Subcontractor to determine whether more than these minimum steps are required and to perform whatever work is necessary to comply with all applicable laws and regulations. In addition, a permit modification is necessary to use the temporary storage option. For example, using an earthen storage structure for temporary storage requires a permit modification. If temporary storage is necessary, plan in advance (Section 1.5) .  \n1.0 HOS/DGS Management and Disposal Plan  \nThe Contractor is required to submit a written HOS/DGS Management and Disposal Plan (Management Plan) to the NCDOT Resident Engineer at least 45 days prior to starting work on an HOS/DGS operation. As previously discussed, a template to help prepare this plan and the associated subplans is provided in (Attachment B) .  \nSPECIAL PROVISION/GUIDELINES FOR DIAMOND GRINDING AND HYDRODEMOLITION OPERATION SLURRY DISPOSAL, BENEFICIAL USE OR SOLID DISPOSAL AS BENEFICIAL FILL-May 2 , 2019  \nIn addition, the HOS/DGS Management Plan must be reviewed and approved by NCDOT Resident Engineer or other designated person prior to the beginning of operations. The Management Plan will include a Collection & Containment Approach, the Sampling and pH Control Plan, the Spill Control Plan and the Solid Waste Disposal Plan option with written confirmation from the receiving facility (if applicable) . Additional information regarding the ","cbCaivo5nne30fc4","https://ap.wps.com/l/cbCaivo5nne30fc4","pdf",7133751,71,"English","# HOS/DGS Management and Disposal Plan\n## Collection & Containment\n## Sampling and pH Control","[{\"question\":\"What wastes and operations does the NCDOT guidance cover for CGR management and disposal?\",\"answer\":\"The guidance covers residual liquids, slurries, and solids generated by concrete milling, hydrodemolition, diamond grinding, grooving, and sawing, including diamond grinding slurry (DGS) and hydrodemolition operation slurry (HOS).\"},{\"question\":\"What approvals and documentation are required before starting an HOS/DGS operation?\",\"answer\":\"Contractors must submit a written HOS/DGS Management and Disposal Plan to the NCDOT Resident Engineer at least 45 days before work. The plan must be reviewed and approved prior to beginning operations.\"},{\"question\":\"Why is sampling and pH control required for HOS/DGS?\",\"answer\":\"At pH 12.5 or greater, HOS and DGS are considered hazardous waste under RCRA, requiring compliance with RCRA transportation, storage, and disposal rules. Contractors must sample and test to determine characteristic hazardous waste status and potentially adjust pH before transport.\"}]","NCDOT Statewide Permit Guidelines - Management and Disposal of Concrete Grinding Residuals - Special Provision/Guidelines | PDF",25]