C4 Roofing
C4.01 Roofing
C3.03 Keying and Security
Section Summary
Keying and Security
Provide watertight roofing including sarking, insulation, flashings, cappings, guttering and down pipes to suit terrain category.
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Master key systems are preferred for all dwellings. Keying platform, hierarchy and configuration must be confirmed with HCA. For multi-level apartment buildings where open stair access between floors is not available, security fob / swipe card access shall be provided and be restricted to access only common areas and the floor level of a resident’s dwelling. Ensure there is capability for HCA to have the ability to change, cancel and reissue fobs in the instance where fobs are lost, or a tenant vacates. Preference for apartments to have security fob access. Preferred supplier details in specification. Security fob / swipe card access is to be provided to all sta o ce areas and meeting rooms. Where more than one organisation is sharing the spaces the access hierarchy is to be confirmed with HCA at the briefing stage. In larger developments an Access Control System is required to restrict movement throughout the buildings and their associated facilities. It is proposed that access control devices be installed in the following areas: (a) Building main entry doors (b) Internal foyer doors
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Roofing Considerations Checklist:
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All roofing is to be constructed in Colorbond on steel framing or concrete with insulation to comply with Council and BCA requirements. Where concrete is used, it is to be finished with waterproof membrane, gravel, and insulation (if required). Roof structure to be su cient for additional services such as solar voltaic grid system and hot water solar panels. If steel is used the structure is to be acoustically treated to minimise rain noise. Avoid balconies, decks, or any external uncovered spaces over habitable spaces below. Building elements which cause maintenance issues, such as box gutters, are to be avoided. Eaves gutters are preferred from both a maintenance and prevention of water ingress aspect. Guttering must be designed to codes and all valley gutters must be capable of carrying 1:50 year rainfall. Stormwater drainage design to provide overland flow paths independent of drainage system must be provided for Probable Maximum Flood (PMF) event.
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(c) Access to non-residential uses if located within building (d) Emergency exit locks on the ground floor stairwell exits (e) Car park entry.
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Provide leaf guards for gutters.
Provide access to roof areas including walkways, ladders and guardrails, safety anchors and brackets for maintenance that comply with state based occupational health and safety requirements. High rise with plant deck roof to utilise syphonic to rainwater collection.
SDA Keying and Security Considerations:
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Refer to NDIS SDA Design Standard.
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In multi-residential contexts, one standard access control method is provided across all dwellings. Swipe and/or remote push-button fob control are standard access control methods for unlocking secure entrances. Push-to-exit buttons or movement sensors provided for exiting secure areas. Automatic-opening doors provided throughout common building areas, integrated into building wide secured access system. Any automated door controls (fob readers, push buttons etc) are installed between 900-1100mm AFFL and not within 500mm of an internal corner. Any door equipped with a motorised door opener to have anti-lockout hardware disabled. Electric strikes provided to secure-entry doors where these could not be retrofitted (eg. concrete construction) to allow for future automation.
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Housing Choices Australia | Design Guidelines
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