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The document sets HVAC ductwork and insulation requirements, painting and jointing standards, and installation coordination rules with other contractors prior to procurement and installation. It includes HVAC builderswork opening and sleeve tolerances, electrical isolator and thermostat/switch mounting requirements, a legend of symbols and abbreviations, and schedule tables listing second-floor terminal unit and fresh/extract air fan equipment with power and performance parameters.",{"@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/hvac-general-notes-hvac-schedules-second-floor-terminal-unit-fan-schedules/648918/",{"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/hvac-general-notes-hvac-schedules-second-floor-terminal-unit-fan-schedules/648918.png","ImageObject",300,407,{"name":92,"@type":93},"dhado","Person",{"url":74,"name":95,"@type":96},"DocShare","Organization","application/pdf","2026-10-30","2026-10-23",true,{"@type":102,"interactionType":103,"userInteractionCount":19},"InteractionCounter",{"@type":104},"ViewAction",{"@type":106,"mainEntity":107},"FAQPage",[108,114,118],{"name":109,"@type":110,"acceptedAnswer":111},"What must be verified on site before work begins?","Question",{"text":112,"@type":113},"All dimensions and heights must be checked on site before any work is put in hand. Any discrepancies must be reported to the architect or engineer.","Answer",{"name":115,"@type":110,"acceptedAnswer":116},"What are the key ductwork and insulation requirements?",{"text":117,"@type":113},"Ductwork must follow specified low-velocity duct standards, use actual sheetmetal sizes, and apply external insulation to supply ducts (25mm FRK). Other duct types must remain uninsulated unless specified, and all exposed ducts must be painted to specification.",{"name":119,"@type":110,"acceptedAnswer":120},"What equipment schedules are provided for the second floor?",{"text":121,"@type":113},"The document includes a second-floor internal terminal unit schedule and fan schedules for both fresh air supply and extract air, listing unit references, quantities, capacities, airflow/pressure or ratings, and power requirements.","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},648918,1792796149,{"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":19,"is_deleted":4,"is_public":8,"is_downloadable":8,"audit_status":8,"page_count":8,"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":81},5909893218464,"https://ap-avatar.wpscdn.com/davatar_085a072bc5b1113ac321206ff7593b45","| ALL DIMENSIONS AND HEIGHTS ARE TO BE CHECKED ON SITE BEFORE WORKIS PUT IN HAND.  \u003Cbr>ALL WORKAND MATERIALARE TO COMPLY TO RELEVENT SABS CODES WHERE APPLICABLE.  \u003Cbr>BRAND NAMES DENOTE SIMILAR &/OR EQUALYAPPROVED.  \u003Cbr>ALL WORK TOBE INACCORDANCE TO N.R.B.  \u003Cbr>REPORT DISCREPANCIES TOARCHITECT OR ENGINEER.   |  |  |  |  |\n| --- | --- | --- | --- | --- |\n| GENERAL NOTES:  \u003Cbr>·ALL DIMENSIONS TO BE CHECKED ON SITE BEFORE ANY WORK IS PUT IN  \u003Cbr>● ALL WORK TO COMPLY TO LOCAL MUNICIPAL BY-LAWS.  \u003Cbr>·HVAC SUB-CONTRACTOR IS RESPONSIBLE TO ENSURE ALL CO-ORDINATION  \u003Cbr>&_CORRECT DIMENSIONING_OF DRAWINGS IS DONE WITH ALL OTHER  \u003Cbr>RESPECTIVE CONTRACTORS PRIOR TO PROCUREMENT &INSTALLATION._  \u003Cbr>QUALITY MUST BE ADHERED TO ALL STANDARDS AS PER TENDER  \u003Cbr>SPECIFICATIONS  \u003Cbr>HVAC NOTES:  \u003Cbr>THIS DRAWING FORMS PART OF THE SPECIFICATIONAND MUST BE READ IN  \u003Cbr>CONJUNCTION WITH THE SAME.  \u003Cbr>ALL DUCTWORK TO BE MANUFACTURED IN ACCORDANCE WITH  \u003Cbr>ABS-1238-1979 LOW VELOCITY DUCT STANDARDS.  \u003Cbr>ALL DUCT SIZES SHOWNARE ACTUAL SHEETMETAL SIZES.  \u003Cbr>SUPPLY DUCTS TO BE EXTERNALLY INSULATED WITH 25mm FRK.  \u003Cbr>34  \u003Cbr>INSULATION-UNLESS OTHERWISE SPECIFIED.  \u003Cbr>ALL OTHER DUCTS TO BE UNINSULATED,UNLESS SPECIFIED.  \u003Cbr>56  \u003Cbr>ALL EXPOSED DUCTS TO BE PAINTED TO SPECIFICATION.  \u003Cbr>ALL DUCTS WITH SEMI-PERIMETER OF 1150mm OR LESS TO BE \"S&DRIVE\"  \u003Cbr>7.  \u003Cbr>JOINTS,AND DUCTS ABOVE TO BE MEZZ FLANGED.  \u003Cbr>ALL BENDS TO HAVE INTERNAL RADIUS OF 150mm AND SPLITTERS UNLESS  \u003Cbr>8.  \u003Cbr>OTHERWISE SPECIFIED.  \u003Cbr>9·  \u003Cbr>ALL ROUND DUCT BENDS UP TO Ø500mm TO HAVE A RADIUS OF 200mm-  \u003Cbr>OVER Q500mm TO HAVE A RADIUS OF 300mm.  \u003Cbr>DUCT SHOES TO BE 150mm LONG @45°.  \u003Cbr>9  \u003Cbr>SPIGOTS TO BE 100mm LONG,UNLESS OTHERWISE STATED.  \u003Cbr>HVAC BUILDERSWORK:  \u003Cbr>12.ALL OPENINGS TO BE 100mm BIGGER THAN DUCT SIZES SHOWN(BUILDER  \u003Cbr>TO MAKE GOOD AFTER DUCTS ARE INSTALLED).  \u003Cbr>13.ALL OPENINGS TO BE 50mm BIGGER THAN GRILLE SIZES SHOWN WHICH  \u003Cbr>INCLUDES A 25mm THK.TIMBER FRAME ALL AROUND OPENING-BY  \u003Cbr>BUILDER.  \u003Cbr>SLEEVES IN WALLS,SLABS &BEAMS(SIZE SHOWN ON DRAWING)(BUILDER  \u003Cbr>14.  \u003Cbr>TO MAKE GOOD AFTER DUCTS ARE INSTALLED).   |  |  |  |  |\n| LEGEND:   |  |  |  |  |\n|  |  | 400V/3PH/50HZ POWER SUPPLY TERMINATINGINISOLATOR  \u003Cbr>WITHIN ONE METER OF EQUIPMENT-BY ELECTRICIAN.   |  |  |\n| ⑧   |  | 230V/1PH/50HZ POWER SUPPLY TERMINATING IN ISOLATOR  \u003Cbr>WITHIN ONE METER OF EQUIPMENT-BY ELECTRICIAN.   |  |  |\n| ●   |  | DOOR TO BE UNDERCUT BY 25mm MINIMUM-BY BUILDER   |  |  |\n| T   |  | WALL MOUNTED THERMOSTAT AT 1350 AFFL.(c/w O25mm CONDUIT  \u003Cbr>AND 4×4 BOX IN WALL)-BY ELECTRICIANAND BUILDER)   |  |  |\n| S   |  | WALL MOUNTED ON/OFF SWITCH AT 1350 AFFL.(c/w Ø25mm  \u003Cbr>CONDUIT AND 4x4 BOXIN WALL)-BY ELECTRICIAN AND BUILDER)   |  |  |\n| ABBREVIATIONS:   |  |  |  |  |\n| DG   |  | DOOR GRILLE   |  |  |\n| EAD/G   |  | EXTRACT AIR DIFFUSER OR GRILLE   |  |  |\n| TG   |  | TRANSFER GRILLE   |  |  |\n| WL   |  | WEATHER LOUVRE   |  |  |\n| MOS   |  | MEASURE ON SITE   |  |  |\n| NTS   |  | NOT TO SCALE   |  |  |\n| TRF   |  | TRANSFORMATION OF DUCT   |  |  |\n| WMS   |  | WIRE MESH SCREEN   |  |  |\n| c/w   |  | COMPLETE WITH   |  |  |\n| LINE TYPE LEGEND:   |  |  |  |  |\n|  |  |  |  | CONDENSATE DRAIN PIPE   |\n|  |  |  |  |  |\n|  |  |  |  | REFRIGERATION PIPE   |\n|  |  |  |  |  |\n|  |  |  |  | CENTRE LINE   |\n|  |  |  |  | FLEXIBLE DUCT   |\n|  |  |  |  | ELECTRICAL CABLE   |\n|  |  |  |  |  |\n|  |  |  |  | TENDER   |\n| REV No   | DATE:   |  | DESCRIPTION:   |  |\n|  | 22.11.2021   |  | ISSUED FOR CLIENT'S APPROVAL   |  |\n| B   | 11.02.2022   |  | ISSUED FOR TENDER   |  |\n|  |  |  |  |  |\n|  |  |  |  |  |\n|  |  |  |  |  |\n|  |  |  |  |  |\n|  |  |  |  |  |\n|  |  |  |  |  |\n|  |  |  |  |  |\n| SIZE ON ORIGINAL DRAWING 100 mm—   |  |  |  |  |\n| CLIENT LOGO   |  |  |  |  |\n\n\n| SECOND FLOOR INTERNAL TERMINAL UNIT SCHEDULE   |  |  |  |  |  |  |  |  |  |  |  |\n| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |\n| UNIT  \u003Cbr>REF.   | No.  \u003Cbr>OFF   | DESCRIPTION   | CO","cbCairaGjdfIhEnq","https://ap.wps.com/l/cbCairaGjdfIhEnq","pdf",1113435,"English","# General Notes\n# HVAC Notes\n# Legend and Abbreviations\n# Second Floor Internal Terminal Unit Schedule\n# Second Floor Fresh Air Supply Fan Schedule\n# Second Floor Extract Air Fan Schedule","[{\"question\":\"What must be verified on site before work begins?\",\"answer\":\"All dimensions and heights must be checked on site before any work is put in hand. Any discrepancies must be reported to the architect or engineer.\"},{\"question\":\"What are the key ductwork and insulation requirements?\",\"answer\":\"Ductwork must follow specified low-velocity duct standards, use actual sheetmetal sizes, and apply external insulation to supply ducts (25mm FRK). Other duct types must remain uninsulated unless specified, and all exposed ducts must be painted to specification.\"},{\"question\":\"What equipment schedules are provided for the second floor?\",\"answer\":\"The document includes a second-floor internal terminal unit schedule and fan schedules for both fresh air supply and extract air, listing unit references, quantities, capacities, airflow/pressure or ratings, and power requirements.\"}]","HVAC General Notes - HVAC Schedules - Second Floor Terminal Unit & Fan Schedules | PDF"]