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Includes schedules for supply diffusers, return grilles, and door transfer grilles, plus a detailed set of workmanship rules covering duct manufacture standards, sealing methods, insulation, flexible connection fire rating, condensate drainage slope and U-traps, refrigerant piping routing and trunking, wiring conduits, and site verification before manufacturing.",{"@graph":14,"@context":72},[15,34,55],{"@type":16,"itemListElement":17},"BreadcrumbList",[18,23,27,31],{"item":19,"name":20,"@type":21,"position":22},"https://docshare.wps.com","Home","ListItem",1,{"item":24,"name":25,"@type":21,"position":26},"https://docshare.wps.com/document/","Document",2,{"item":28,"name":29,"@type":21,"position":30},"https://docshare.wps.com/document/technology/","Technology",3,{"item":32,"name":10,"@type":21,"position":33},"https://docshare.wps.com/document/wall-detail-drainage-as-per-wet-services-engineers-detail/662814/",4,{"url":32,"name":10,"@type":35,"image":36,"author":41,"headline":10,"publisher":44,"fileFormat":47,"inLanguage":8,"description":12,"dateModified":48,"datePublished":49,"encodingFormat":47,"isAccessibleForFree":50,"interactionStatistic":51},"DigitalDocument",{"url":37,"@type":38,"width":39,"height":40},"https://docshare.wps.com/thumbnails/wall-detail-drainage-as-per-wet-services-engineers-detail/662814.png","ImageObject",300,407,{"name":42,"@type":43},"Noah","Person",{"url":19,"name":45,"@type":46},"DocShare","Organization","application/pdf","2026-10-30","2026-10-28",true,{"@type":52,"interactionType":53,"userInteractionCount":26},"InteractionCounter",{"@type":54},"ViewAction",{"@type":56,"mainEntity":57},"FAQPage",[58,64,68],{"name":59,"@type":60,"acceptedAnswer":61},"What takes precedence if there are discrepancies between drawings and room data sheets?","Question",{"text":62,"@type":63},"The architect’s room data sheets take first precedence, and the services engineer should be informed if discrepancies exist.","Answer",{"name":65,"@type":60,"acceptedAnswer":66},"How are ductwork and duct joints required to be manufactured and sealed?",{"text":67,"@type":63},"Ducting must follow SANS 1238 and be installed, tested, and commissioned per SANS 10173 and CIBSE codes. Duct joints must be sealed using bandage and Foster 30/30.",{"name":69,"@type":60,"acceptedAnswer":70},"What requirements apply to condensate drainage and U-traps?",{"text":71,"@type":63},"Drain pipes must be adequately sloped for positive drainage, condensate connections must be airtight and completely sealed (no PVC), and condensate drain pipes from air conditioners must be fitted with U-traps (no traps in walls).","https://schema.org",{"og:url":32,"og:type":74,"og:title":10,"og:site_name":45,"og:description":12},"article",{"robots":76,"canonical":32},"index,follow",{"doc_id":78,"site_id":7},662814,1793222606,{"code":4,"msg":81,"data":82},"success",[83,87,91,95,100,104,109,114,119,122,126],{"id":22,"doc_module":4,"doc_module_name":25,"category_name":84,"show_sort_weight":85,"slug":86},"Story & Novel",90,"story-novel",{"id":26,"doc_module":4,"doc_module_name":25,"category_name":88,"show_sort_weight":89,"slug":90},"Literature",80,"literature",{"id":33,"doc_module":4,"doc_module_name":25,"category_name":92,"show_sort_weight":93,"slug":94},"Exam",70,"exam",{"id":96,"doc_module":4,"doc_module_name":25,"category_name":97,"show_sort_weight":98,"slug":99},5,"Comic",60,"comic",{"id":101,"doc_module":4,"doc_module_name":25,"category_name":29,"show_sort_weight":102,"slug":103},6,50,"technology",{"id":105,"doc_module":4,"doc_module_name":25,"category_name":106,"show_sort_weight":107,"slug":108},7,"Healthcare",40,"healthcare",{"id":110,"doc_module":4,"doc_module_name":25,"category_name":111,"show_sort_weight":112,"slug":113},8,"Research & Report",30,"research-report",{"id":115,"doc_module":4,"doc_module_name":25,"category_name":116,"show_sort_weight":117,"slug":118},9,"Religion & Spirituality",20,"religion-spirituality",{"id":117,"doc_module":4,"doc_module_name":25,"category_name":120,"show_sort_weight":117,"slug":121},"World Cup","world-cup",{"id":123,"doc_module":4,"doc_module_name":25,"category_name":124,"show_sort_weight":123,"slug":125},10,"Lifestyle","lifestyle",{"id":127,"doc_module":4,"doc_module_name":25,"category_name":128,"show_sort_weight":96,"slug":129},19,"General","general",{"code":4,"msg":81,"data":131},{"doc_id":78,"user_id":132,"nickname":42,"user_avatar":133,"doc_module":4,"category_id":101,"category_name":29,"doc_title":10,"doc_description":12,"doc_content":134,"file_id":135,"file_url":136,"file_type":137,"file_size":138,"view_count":26,"is_deleted":4,"is_public":22,"is_downloadable":22,"audit_status":22,"page_count":22,"language":139,"language_code":8,"site_id":7,"html_lang":8,"table_of_contents":140,"faqs":141,"seo_title":142,"seo_description":12,"update_tm":79,"read_time":30},8796095462418,"https://ap-avatar.wpscdn.com/avatar/80000253c1241d02b47?x-image-process=image/resize,m_fixed,w_180,h_180&k=1778826106357471780","| \u003Cbr>\u003Cbr>\u003Cbr>WALL DETAIL\u003Cbr>\u003Cbr>DRAINAGE AS PER WET SERVIVES'ENGINEER'S DETAIL\u003Cbr>VRV INDOOR UNIT NUMBER MAKE MODEL TYPE TOTAL COOLING\u003Cbr>(kW) SENSIBLE COOLING\u003Cbr>(kW) HEATING\u003Cbr>(kW) CONTROLS FIRE\u003Cbr>INTERLOCK POWER\u003Cbr>(kW/PHASE) AC01 HIDEAWAY 13.0 DEFAULT INFRARED REMOTE YES AC02 HIDEAWAY 15.2 DEFAULT INFRARED REMOTE YES AC03 HIDEAWAY 15.4 DEFAULT INFRARED REMOTE YES AC04 MIDWALL 3.6 DEFAULT INFRARED REMOTE YES AC05 HIDEAWAY 12.6 DEFAULT INFRARED REMOTE YES AC06 HIDEAWAY 9.8 DEFAULT INFRARED REMOTE YES AC07 CASSETTE 6.0 DEFAULT INFRARED REMOTE YES AC08 HIDEAWAY 13.8 DEFAULT INFRARED REMOTE YES AC09 HIDEAWAY 13.6 DEFAULT INFRARED REMOTE YES AC10 HIDEAWAY 16.5 DEFAULT INFRARED REMOTE YES AC11 HIDEAWAY 9.0 DEFAULT INFRARED REMOTE YES AC12 MIDWALL 3.6 DEFAULT INFRARED REMOTE YES AC13 MIDWALL 3.6 DEFAULT INFRARED REMOTE YES\u003Cbr>SCHEDULE OF EQUIPMENT NUMBER DESCRIPTION SIZE SD1 SUPPLY DIFFUSER 600mm x 600mm Ø200mm CONNECTION SD2 SUPPLY DIFFUSER 600mm x 600mm Ø250mm CONNECTION SD3 SUPPLY DIFFUSER 600mm x 600mm Ø300mm CONNECTION SD4 SUPPLY DIFFUSER 600mm x 600mm Ø350mm CONNECTION RG1 RETURN GRILLE 1200mm x 600mm DTG DOOR TRANSFER GRILLE 400mm x 400mm\u003Cbr>NOTES:\u003Cbr>1. TO BE READ IN CONJUNCTION WITH ARCHITECT'S ROOM DATA SHEETS, ISSUED TO BUILDER. IF THERE ARE ANY DISCREPANCIES, ARCHITECT'S ROOM DATA SHEETS SHOULD TAKE FIRST PRECEDENCE & SERVICES ENGINEER SHOULD BE INFORMED\u003Cbr>2. ALL FRESH & EXHAUST AIR QUANTITIES TO NBR REQUIREMENTS-SANS 10400-O :2011\u003Cbr>3. DUCTING TO BE MANUFACTURED IN ACCORDANCE WITH SANS 1238 AND TO BE INSTALLED, TESTED AND COMMISSIONED IN ACCORDANCE WITH SANS 10173 AND CIBSE CODES.\u003Cbr>4. ALL DUCT FLANGES TO BE OF THE\u003Cbr>MEZZ-FLANGE TYPE, EXCEPT EXTRACT CANOPY DUCTING.\u003Cbr>EXTRACT CANOPY DUCTING SHALL BE WELDED BLACK STEEL DUCTING.\u003Cbr>5. ALL DUCT JOINTS TO BE SEALED WITH BANDAGE AND FOSTER 30/30 .\u003Cbr>6. ALL EXPOSED DUCTING SHALL BE PAINTED TO A COLOUR AS SPECIFIED BY THE ARCHITECT.\u003Cbr>7. FLEXIBLE CONNECTIONS TO HAVE AFIRE RATING IN ACCORDANCE WITH SANS 0177 PART 3 CLASS. MAXIMUM FLEXIBLE DUCT LENGTH TO DIFFUSERS ETC. NOT TO EXCEED 1000mm. AND TO BE FIXED TO ROUND DUCTS AND SPIGOTS WITH SWAGED ENDS BY MEANS OF JUBILEE CLAMPS.\u003Cbr>8. DIFFUSERS, GRILLES AND LOUVRES\u003Cbr>TO BE EPOXY POWDER COATED TOA COLOUR AS SPECIFIED BY THE ARCHITECT/ENGINEER. ALL COLOURS TO BE CONFIRMED BEFORE ORDER.\u003Cbr>9. ALL AIR FLOW BALANCING DEVICES TO BE POSITIVELY FIXED IN POSITION AND SEALED OR LOCKED\u003Cbr>10. ALL MEASUREMENTS TO BE VERIFIED ON SITE BEFORE MANUFACTURING COMMENCES.\u003Cbr>11. CONDENSERS TO BE INSTALLED ON 100mm HIGH PLINTHS BY OTHERS. GALVANIZED UNI-STRUT BRACKETS TO BE MANUFACTURED FOR STACKING OF CONDENSERS.\u003Cbr>12. DRAIN PIPES TO BE ADEQUATELY SLOPED TO ENSURE POSITIVE DRAINAGE. ALL CONDENSATE PIPE\u003Cbr>CONNECTIONS TO WASTE WATER PIPES SHALL BE AIR TIGHT AND COMPLETELY SEALED. (NO PVC)\u003Cbr>13. ALL CONDENSATE DRAIN PIPES FROM AIR CONDITIONERS TO BEFITTED WITH U-TRAPS. NO TRAPS IN WALLS\u003Cbr>14. MIDWALL UNITS IN SERVER OR UPS ROOMS TO BE FITTED WITH A STAINLESS STEEL DRIP TRAY AND AN INDEPENENT DRAIN\u003Cbr>15. REFRIGERANT PIPES IN CEILING\u003Cbr>VOIDS TO BE MOUNTED ON\u003Cbr>SUITABLE CABLE TRAYS.\u003Cbr>16. EXPOSED REFRIGERANT PIPES FROM A SINGLE UNIT TO BE MOUNTED IN P7100 GALVANIZED TRUNKING, EPOXY POWDER COATED TO A COLOUR AS\u003Cbr>SPECIFIED BY THE ARCHITECT.\u003Cbr>17. REFRIGERANT PIPING INSULATION EXPOSED AT FINAL CONNECTION TO CONDENSER TO BE PAINTED WITH UV RESISTENT PAINT\u003Cbr>18. ALL REFRIGERANT PIPES FROM MIDWALL UNITS TO RISE TO CEILING VOID AFTER EXITING THE UNIT.\u003Cbr>19. EXPOSED REFRIGERANT PIPES OF MULTIPLE UNITS TO BE MOUNTED IN PERFORATED CABLE TRAY WITH LID, EPOXY POWDER COATED TO A COLOUR AS SPECIFIED BY THE ARCHITECT.\u003Cbr>20. WIRING OF AC UNITS REQUIRING HARD WIRED REMOTE CONTROLLERS TO BE INSTALLED IN 20mm PVC CONDUIT IN CEILING VOIDS. BOSAL CONDUITS TO BE\u003Cbr>USED WHERE CONDUITS ARE\u003Cbr>EXPOSED\u003Cbr>21. ALL WALL MOUNTED WIRED REMOTE CONTROLLERS TO BE CHASED INTO WALL.\u003Cbr>22. POWER SUPPLY FOR INDOOR UNITS TO BE SUPPLIED FROM OUTDOOR UNITS UNLESS OTHE","cbCaii7dkIFAZDhc","https://ap.wps.com/l/cbCaii7dkIFAZDhc","pdf",865534,"English","# Equipment wall detail\n## Indoor unit schedule and controls\n## Supply/return diffuser and grille schedule\n## Installation notes and workmanship requirements\n## Legend of HVAC airflow and drainage elements","[{\"question\":\"What takes precedence if there are discrepancies between drawings and room data sheets?\",\"answer\":\"The architect’s room data sheets take first precedence, and the services engineer should be informed if discrepancies exist.\"},{\"question\":\"How are ductwork and duct joints required to be manufactured and sealed?\",\"answer\":\"Ducting must follow SANS 1238 and be installed, tested, and commissioned per SANS 10173 and CIBSE codes. Duct joints must be sealed using bandage and Foster 30/30.\"},{\"question\":\"What requirements apply to condensate drainage and U-traps?\",\"answer\":\"Drain pipes must be adequately sloped for positive drainage, condensate connections must be airtight and completely sealed (no PVC), and condensate drain pipes from air conditioners must be fitted with U-traps (no traps in walls).\"}]","WALL DETAIL - DRAINAGE AS PER WET SERVICES' ENGINEER'S DETAIL | PDF"]