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Drainage outlet detailing covers full dressing into outlets, watertight sealing, accessibility, and keeping flange levels below screed to avoid ponding. The system integrity is verified via a 48–72 hour flood test with dated certification, and a 12-month guarantee from practical completion. The document also includes general subcontract requirements covering specification structure, subcontract form, price adjustment, detailed design responsibility, collaboration, installation programme, material availability, SABS compliance, and power provision.",{"@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/annexure-b2-architect-drawings-waterproofing-additional-specification-and-sub-contract-general-requirements/663157/",{"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/annexure-b2-architect-drawings-waterproofing-additional-specification-and-sub-contract-general-requirements/663157.png","ImageObject",300,407,{"name":92,"@type":93},"Eliana","Person",{"url":74,"name":95,"@type":96},"DocShare","Organization","application/pdf","2026-10-30","2026-10-28",true,{"@type":102,"interactionType":103,"userInteractionCount":24},"InteractionCounter",{"@type":104},"ViewAction",{"@type":106,"mainEntity":107},"FAQPage",[108,114,118],{"name":109,"@type":110,"acceptedAnswer":111},"What substrate falls and cross-falls are required for the waterproofing system?","Question",{"text":112,"@type":113},"The substrate must be set to falls & cross falls of 1:80 to outlets. If no falls and cross falls exist, a dual layer system is required.","Answer",{"name":115,"@type":110,"acceptedAnswer":116},"How are drainage outlets to be treated to ensure a watertight seal?",{"text":117,"@type":113},"The waterproofing must be fully dressed into the drainage outlets for a watertight seal, and outlets should be positioned for easy access. The flange level must be kept below the screed level to prevent ponding.",{"name":119,"@type":110,"acceptedAnswer":120},"How is the waterproofing integrity verified and what is the guarantee period?",{"text":121,"@type":113},"Integrity is established by a flood test lasting 48 to 72 hours before handover, with a certificate recorded by the professional team. The waterproofing is guaranteed for 12 months from the date of the principal contract certificate of practical completion.","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},663157,1793225499,{"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":24,"is_deleted":4,"is_public":8,"is_downloadable":8,"audit_status":8,"page_count":44,"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":143},4398048949847,"https://ap-avatar.wpscdn.com/avatar/400002536579ef2da7f?_k=1778318612642679267","| WATERPROOFING ADDITIONAL SPECIFICATION\u003Cbr>SUBSTRATE\u003Cbr>The substrate shall be to falls & cross falls of 1:80 to outlets. If no falls and cross falls exist, a dual layer system must be used. The substrate shall be surface dry, clean & smooth;free of voids, protrusions and contaminants. The area is then to be primed using a bituminous primer. Internal corners shall be filleted and external corners rounded.\u003Cbr>OUTLETS\u003Cbr>The waterproofing is to be full dressed into the drainage outlets so as to ensure a watertight seal. Outlets are to be positioned so that they are easily accessible. Ensure that the level of the flange is kept below the screed level to prevent ponding around the outlet.\u003Cbr>FLOOD TEST\u003Cbr>The integrity of the waterproofing should be established by means of a flood test of 48hrs-72hrs duration, prior to handing over to the contractor. A certificate is to be obtained from the professional team recording the date and time period of the test and that the waterproofing treatment was handed over in a clean, proper and watertight condition.\u003Cbr>FALLS\u003Cbr>To ensure that the roof is adequately self-draining the minimum falls shall be one in eighty on all surface=s.\u003Cbr>GUARANTEE PERIOD\u003Cbr>The waterproofing is to be fully guaranteed for a period of 12 months from the date of the principal contract certificate of practical completion\u003Cbr>A\u003Cbr>\u003Cbr>\u003Cbr>B\u003Cbr>\u003Cbr>\u003Cbr>C\u003Cbr>\u003Cbr>\u003Cbr>\u003Cbr>\u003Cbr>\u003Cbr>\u003Cbr>\u003Cbr>VOID\u003Cbr>Overflow\u003Cbr>Fulbore to spec. Fulbore to spec.\u003Cbr>\u003Cbr>17625 1150  6210  6280  3735 250 \u003Cbr>\u003Cbr>\u003Cbr>\u003Cbr>\u003Cbr>1\u003Cbr>\u003Cbr>2\u003Cbr>\u003Cbr>3217\u003Cbr>Tile to top of beam\u003Cbr>F\u003Cbr>Line of step\u003Cbr>A\u003Cbr>Tile to top of beam\u003Cbr>B\u003Cbr>Tile to top of beam 1255\u003Cbr>C 250\u003Cbr>4000\u003Cbr>G G\u003Cbr>250\u003Cbr>F\u003Cbr>REFER D3.200\u003Cbr>REFER D3.200\u003Cbr>4000 Line of concrete beam below\u003Cbr>A\u003Cbr>REFER D3.200\u003Cbr>E E\u003Cbr>B\u003Cbr>REFER D3.200\u003Cbr>REFER D3.200\u003Cbr>250\u003Cbr>C\u003Cbr>REFER D3.200\u003Cbr>40004250\u003Cbr> 20435 \u003Cbr>TERRACE WATERPROOFING PLAN Scale 1:50 |  | |  | GENERAL NOTES\u003Cbr>The design of this drawing is copyright and remains the property of the architect.\u003Cbr>All relevant details, levels, dimensions, setting out positions are tobe checked prior to any work commencing and any discrepancies are to be brought to the architects attention.\u003Cbr>The architect accepts no responsibility for errors resulting from misinterpretation of the drawings.\u003Cbr>All dimensions are given in millimetres\u003Cbr>Drawings are to read in conjunction with engineers drawings Contractor to keep full set of drawings on site\u003Cbr>Contractor is responsible for the correct setting out of the building on site with particular reference to boundaries and building lines Contractor and Engineer to verify all levels and dimensions on site and check same against architects drawings before commencing work\u003Cbr>Figured dimensions to be used in preference to scaled dimensions Large scale details to be used where available |  |  |  |  |\n| --- | --- | --- | --- | --- | --- | --- | --- | --- |\n|  |  |  |  |  |  |  |  |  |\n|  |  |  | REFER TO DWG. D3.200 FOR SECTIONS |  |  |  |  |  |\n|  |  | SPECIFICATION\u003Cbr>PART 1: PRELIMINARY AND GENERAL\u003Cbr>1.01 SPECIFICATION\u003Cbr>THE SPECIFICATION COMPRISES THE FOLLOWING: PART 1-THIS PRELIMINARY AND GENERAL\u003Cbr>PART 2-GENERAL REQUIREMENTS PART 3-SPECIFIC REQUIREMENTS\u003Cbr>ALL PARTS TO BE TAKEN TOGETHER TO ESTABLISH THE FULL EXTENT AND THE MEANING OF THE WHOLE.\u003Cbr>1.02 FORM OF THE SUB-CONTRACT\u003Cbr>THE SUCCESSFUL TENDERER WILL BE APPOINTED AS A SELECTED SUB-CONTRACTOR TO THE CONTRACTOR.\u003Cbr>THE FORM OF SUB-CONTRACT WILL BE THE BIFSA NON-NOMINATED JBCC FORM, LATEST EDITION.\u003Cbr>1.03 PRICE ADJUSTMENT / PRICE MAKE-UP\u003Cbr>THE WORK CONTAINED IN THIS SUB-CONTRACT SHALL BE ADJUSTED FOR HAYLETT/CPAP SUBJECT ONLY TO THE VARIATIONS TO THE WORK DOCUMENTED BY OFFICIALLY ISSUED ARCHITECTS INSTRUCTIONS. THE SUB-CONTRACTOR SHALL DISCLOSE AN ANALYSIS OF HIS TENDER MAKE-UP TO THE ARCHITECT WITHIN 2 WEEKS OF HIS APPOINTMENT.\u003Cbr>1.04 DESIGN AND INDEMNITY\u003Cbr>THE SUB-CONTRACOR SHALL BE RESPONSIBLE FOR THE DETAILED DESIGN OF HIS WORK, INCLU","cbCaim8QYihIcIgk","https://ap.wps.com/l/cbCaim8QYihIcIgk","pdf",2955199,"English","# Waterproofing Additional Specification\n## Substrate and Preparation\n## Outlets\n## Flood Test and Guarantee Period\n## Falls\n# Specification - Part 1: Preliminary and General\n## Specification Structure and Subcontract Form\n## Price Adjustment and Design/Indemnity\n## Collaboration, Installation Programme, and Materials\n## SABS Compliance and Power\n# Specification - Part 2: General Requirements\n## Surface Preparation","[{\"question\":\"What substrate falls and cross-falls are required for the waterproofing system?\",\"answer\":\"The substrate must be set to falls \\u0026 cross falls of 1:80 to outlets. If no falls and cross falls exist, a dual layer system is required.\"},{\"question\":\"How are drainage outlets to be treated to ensure a watertight seal?\",\"answer\":\"The waterproofing must be fully dressed into the drainage outlets for a watertight seal, and outlets should be positioned for easy access. The flange level must be kept below the screed level to prevent ponding.\"},{\"question\":\"How is the waterproofing integrity verified and what is the guarantee period?\",\"answer\":\"Integrity is established by a flood test lasting 48 to 72 hours before handover, with a certificate recorded by the professional team. The waterproofing is guaranteed for 12 months from the date of the principal contract certificate of practical completion.\"}]","Annexure-B2-Architect-drawings - Waterproofing Additional Specification and Sub-Contract General Requirements | PDF",23]