How the Assessment of Construction Can Make or Break a Project Term Paper

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BCA Capability Report project 2- New 3 storey Dwelling designFurther to our engagement in relation to the above project, please find attached the Capability Report relating to our assessment of the building against the applicable requirements of the Building Code of Australia.Should you have any comments regarding the assessment or any matter raised in the report, please contact the undersigned.Yours faithfullyEncl.BUILDING CODE OF AUSTRALIA 2015CAPABILITY REPORTPrepared [email protected] Brandling St. Alexandria, SydneyDRAFTDate: 6 April 2018Ref. No: BCACRP2Your company detailsTable of ContentsCONTENTS Page No.1.0 Executive Summary 41.1 – Report purpose 41.2 – Report methodology 42.0 Property Description 42.1 – Location 42.2 –Description of works 42.3 – Building Description 5Volume 2 - Part 3.0 63.0 Building Code of Australia Assessment 63.1 – Site Preparation 63.2 – Footings and Slabs 63.3 – Masonry 63.4 – Framing 73.5 – Roof and wall cladding 73.6 – Glazing 73.7 – Fire Safety 73.8 – Health and Amenity 83.9 – Safe Movement and Access 83.10 – Additional Construction Requirements 93.11 – Structural Design Manuals 93.12 – Energy Efficiency 104.0 Recommendations 115.0 Conclusion 126.0 References 136.1 – Basis of Report 13161.0 Executive Summary1.1 – Report purposeThis report has been prepared to identify the extent of compliance achieved by the architectural design documentation against the relevant provisions of the Building Code of Australia (BCA) 2015.1.2 – Report methodologyThis report has been prepared on the basis of architectural documentation reflecting 57 Brandling St. Alexandria as detailed in Part 6.0 of this report.2.0 Property Description2.1 – LocationThe proposed development is located at 57 Brandling St. Alexandria, the site is bounded by a brick residence to the north, a brick residence and a brick garage to the west, and a concrete drive way to the south.The site is located within Sydney City Council area for the purposes of development approvals.2.2 –Description of worksThe development comprises of the new 3 storey dwelling.2.3 – Building DescriptionUse/ClassificationThe building area the subject of this report has been assessed as being classified as follows· Class 2Rise in StoreysThe building is a three storey developmentClimate zoneFor the purpose of Part 3.12of the BCA the property is located in climate zone 5Volume 2 - Part 3.03.0 Building Code of Australia Assessment3.1 – Site PreparationItemComment3.1.1 EarthworksExcavation and fill requirements.Nominate any exceptional site conditions (including the effects of torrential rain) for special consideration. Provide engineering details where required.All detail drawings are to ensure compliance in this regard. Advice from an engineer is to be sought for any unusual excavation areas.Excavation is to be done as per clause 3.1.1.3 regarding near houses.3.1.2 DrainageDrainage and storm water management details should be included in the plan nd comply with AS/NZS 3500.3 and section 5 of AS3500.5. Storm water management is to comply with BCA Cl 3.1.2.5(c)3.1.3 Termite Risk ManagementA termite management method should be included in the plan and be in line with AS 3660.13.2 – Footings and SlabsItemComment3.2.2 PreparationDetails should be availed at the construction stage. Reinforced concrete footing at the right soil to bear at least 350kPa3.2.3 Concrete and ReinforcingDetails to be availed at the construction stage. Reinforced concrete footing as per AS2870.3.2.4 Site ClassificationDetails to be made available at the construction stage and ensure compliance with AS2870.3.2.5 Footing and Slab ConstructionDetails be applied on the construction stage and comply with clause Cl 3.2.5.63.3 – MasonryItemComment3.3.1 Unreinforced MasonrySpecific are to be availed at the building stage and comply with AS 3700.3.3.2 Reinforced MasonrySpecific to be made by a professional engineer at the construction stage and comply with AS 3700.3.3.3 Masonry AccessoriesDetails to be availed at construction stage and comply with AS 37003.3.4 Weatherproofing of MasonryConsult with a professional engineer and ensure details comply with AS 37003.3.5 Earthwall ConstructionNot applicable3.4 – FramingItemComment3.4.1 Sub-floor ventilationNot applicable3.4.2 Steel FramingDesign drawing don’t show any steel framing, but if used, it should comply with AS4100 or AS/NZS 4600.3.4.3 Timber FramingConstruction plans are to indentify detail and be complaint with AS1684.2.3.4.4 Structural Steel MembersDetails to be provided at building stage in construction plans and comply with AS4100 or AS/NZS 4600.3.5 – Roof and wall claddingItemComment3.5.1 Roof CladdingBuilding plans are to show roof lading details and be in compliance with AS1562.1 and manufacturer’s specifications.3.5.2 Gutters and downpipesBuilding plan to show details as per BCA requirements, and consider rainfall and storm water trends of the area.3.5.3 Wall CladdingConstruction plan to show details and in line with AS/NZS 1562.3.6 – GlazingItemComment3.6 GlazingDetails to be included in the construction plan and be complaint to AS 20473.7 – Fire SafetyItemComment3.7.1 Fire SeparationDone in accordance to BCA requirements3.7.2 Smoke AlarmsConstruction plans are to show details of smoke alarms as per AS 3786.3.7.3 Heating AppliancesDetailed in the construction plan as per AS/NZS 2918 and AS/NZS 1200 provided at construction stage.3.7.4 Bushfire AreasNot applicable3.7.5 Alpine AreasNot applicable3.8 – Health and AmenityItemComment3.8.1 Wet Areas and external waterproofingWaterproofing details to be included in the construction details in line with AS 4654.3.8.2 Room heightsCeiling must not be less than i) 2.1m for kitchen, corridor, passageway, ii) at least 2.4m for any other habitable room, and iii) not less than 2.2m of the floor area of the room.3.8.3 FacilitiesDetails to be included in the construction plan in compliance with AS 1428.3.8.4 LightThe building has adequate natural light entering; additional lighting details are to be included in the construction plan according to AS/NZS 1680.3.8.5 VentilationVentilation details to be in the construction plans and in compliance with AS/NZS 16683.8.6 Sound InsulationDetail to be included in the construction details in compliance with AS/ISO 717 and provided at the finishing stage3.9 – Safe Movement and AccessItemComment3.9.1 Stair ConstructionThe goings and risers of the stairs to:1. Be within the dimensional limitations of Figure 3.9.1.2 of the BCA.2. Have not > 18 risers per flight3. If open risers have not >125mm between treads.4. Be of solid construction.Have a non-slip finish or be provided with non-skid strips near the edge of the nosings.Landings must be not less than 750 mm long and be provided where more than 3 risers or more than 570 mm from doorway threshold.Where a threshold is more than 190 mm above the adjoining surface it must incorporate steps having riser and going dimensions in accordance with 3.9.1.2.Construction of stairways is comply with requirements for treads, risers, landings, and thresholds as per AS 1657 clauses D2.13, D2.14 and D2.15 respectively.3.9.2 Balustrade and HandrailsBalustrades are required where the height change between to levels is greater than 1000mm. Balustrades to the building are to be as follows:Balconies, non-fire isolated stairs and other locations1. Be not less than 1000 mm high above landings and 865mm above the nosings of stairs.2. Have openings not > 125mm.3. Where the change in level is >4.0m it must not contain horizontal elements between 150mm and 760mm above the floor level that can facilitate climbing.4. Windows to floors where the change in level is >2.0m must not have openable portions less than 865mm above the floor level.All balustrades are to be designed to ensure compliance with AS1170.1 or AS/NZS 1170.1.Where the window opening is restricted calculations are to be provided in relation to the minimum 5% openable area required for natural ventilation.Balustrades to be installed in areas with the possibility to fall more than 1m and meet design requirements in clause D2.16.Handrails to be installed as per clause D2.17, be non fire isolated with both sides complying with AS 1428.1 clause 113.9.3 Swimming Pool AccessNot applicable3.9.4 Swimming Pool Water Reticulation SystemsNot applicable3.10 – Additional Construction RequirementsItemComment3.10.1 High Wind AreasNot applicable3.10.2 Earthquake AreasNot applicable3.10.3 Flood Hazard AreasNot applicable3.11 – Structural Design ManualsItemComment3.11 Structural Design ManualsDetails to be shown in building plans3.12 – Energy Efficiency3.12.1 Building FabricIt is recommended that the building fabric be improved to better accommodate ventilation and air flow. Currently, there doesn’t seem to be effective and adequate allowance in the building fabric. The entire envelope of the building, especially the first and second storey.3.12.2 External GlazingTo be determined at finishing stage and details to as per AS 2047 and manufacturer’s specifications3.12.3 Building SealingDetails to be included in the construction plans and implemented at finishing phase and comply with requirements.3.12.4 Air MovementDetails to be included in the construction plans and comply with requirements.3.12.5 ServicesTo be detailed in constructions plans and comply with the specified requirements and intended use of the space.4.0 RecommendationsSubsequent to our assessment of the proposed development, it is recommended that the following matters are to be addressed to comply with the BCA utilizing the ‘deemed-to-satisfy’ provisions: NOTE: This not engineering advice but rather recommendations.i. The details of various elements of the construction are to be provided in the construction drawings.ii. The Balustrades to be installed in areas with the possibility to fall more than 1m and meet design requirements in clause D2.16.iii. Handrails to be installed as per clause D2.17, be non fire isolated with both sides complying with AS 1428.1 clause 11.iv.

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The building fabric be improved to better accommodate ventilation and air flow. Currently, there doesn’t seem to be effective and adequate allowance in the building fabric. The entire envelope of the building, especially the first and second storey.5.0 Conclusion5.0 – ConclusionIt is the opinion of this office that, on satisfaction of the above comments, the proposed building is capable of achieving compliance with the requirements of the Building Code of Australia (BCA) 2015 and relevant adopted standards without undue modification to the design or appearance of the building.Author,For TAFE Certification6.0 References6.1 – Basis of ReportThis BCA Capability report has been prepared on the basis of the following-(i) Architectural Plans as prepared by ……Drawing No.RevTitleDate6004P206APROJECT 2 NEW 3 STOREY DWELLING DESIGN02.02.106004P204APROJECT 2 NEW 3 STOREY DWELLING DESIGN02.02.106004P208APROJECT 2 NEW 3 STOREY DWELLING DESIGN02.02.106004P210APROJECT 2 NEW 3 STOREY DWELLING DESIGN02.02.10(ii) Building Code of Australia (BCA) 2015;(iii) Legislation, e.g. In NSW: Environmental Planning and Assessment Act 1979, and Environmental Planning and Assessment Regulation 2000;(iv) In VIC: Building Act 1993 and Building Regulations 2006(v) Supporting Documentation (e.g. BASIX/Nathers (in NSW) Certificate no.), Specifications, etc.Project 3Our Ref: BCACRP3Date: 9 April 2018ContactContact address: 57 Brandling St. Alexandria, SydneyEmail:Attention:Dear,Re: Sydney City Council –57 Brandling St. Alexandria, SydneyBCA Capability Report Dwelling additions and alterationsFurther to our engagement in relation to the above project, please find attached the Capability Report relating to our assessment of the building against the applicable requirements of the Building Code of Australia.Should you have any comments regarding the assessment or any matter raised in the report, please contact the undersigned.Yours faithfullyEncl.BUILDING CODE OF AUSTRALIA 2015CAPABILITY REPORTPrepared…

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…> 18 risers per flight11. If open risers have not >125mm between treads.12. Be of solid construction.Have a non-slip finish or be provided with non-skid strips near the edge of the nosings.Landings must be not less than 750 mm long and be provided where more than 3 risers or more than 570 mm from doorway threshold.Where a threshold is more than 190 mm above the adjoining surface it must incorporate steps having riser and going dimensions in accordance with 3.9.1.2.Complies with AS 4586.3.9.2 Balustrade and HandrailsBalustrades are required where the height change between to levels is greater than 1000mm. Balustrades to the building are to be as follows:Balconies, non-fire isolated stairs and other locations5. Be not less than 1000 mm high above landings and 865mm above the nosings of stairs.6. Have openings not > 125mm.7. Where the change in level is >4.0m it must not contain horizontal elements between 150mm and 760mm above the floor level that can facilitate climbing.8. Windows to floors where the change in level is >2.0m must not have openable portions less than 865mm above the floor level.All balustrades are to be designed to ensure compliance with AS1170.1 or AS/NZS 1170.1.Where the window opening is restricted calculations are to be provided in relation to the minimum 5% openable area required for natural ventilation.Handrails on the ground level hallway, for physically challenged, are missing.3.9.3 Swimming Pool AccessNot applicable3.9.4 Swimming Pool Water Reticulation SystemsNot applicable3.10 – Additional Construction RequirementsItemComment3.10.1 High Wind AreasNot applicable3.10.2 Earthquake AreasNot applicable3.10.3 Flood Hazard AreasNot applicable3.11 – Structural Design ManualsItemComment3.11 Structural Design ManualsNot applicable3.12 – Energy Efficiency3.12.1 Building FabricNot applicable. No insulation used.3.12.2 External GlazingNot applicable3.12.3 Building SealingNot available3.12.4 Air MovementCould not be determined3.12.5 ServicesCould not be determined4.0 RecommendationsSubsequent to our assessment of the proposed development, it is recommended that the following matters are to be addressed to comply with the BCA utilizing the ‘deemed-to-satisfy’ provisions:i. Room 4 and room 5, door to the sanitary space opens inwards which contradicts the code. This should be changed to open outwards or slide as per the other rooms. The code requires doors to sanitary space swing outwards.ii. Handrails on the ground level hallway, for physically challenged, are missing. According to BCA, hallways for public use and buildings designed for use by physically challenged should have handrails along the hallways. The ground fllor has a rrom designed for the physically changed, thus handrails along the hallways are a requirement.5.0 Conclusion5.0 – ConclusionIt is the opinion of this office that, on satisfaction of the above comments, the proposed building is capable of achieving compliance with the requirements of the Building Code of Australia (BCA) 2015 and relevant adopted standards without undue modification to the design or appearance of the building.Author,For TAFE Certification6.0.....

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