Page 2061 - Week 05 - Thursday, 6 May 2010
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(1) In relation to Molonglo building rules, why has the Land Development Agency (LDA) decided to use a rule, six square metres of north facing glass, to improve house thermal performance, rather than use performance measures such as an energy efficiency rating (EER).
(2) How does the Minister define northern for the purposes of the rule referred to in
part (1).
(3) What impact does the LDA expect that requiring six square metres of north facing glass have on house thermal performance
(4) What will the impact of requiring six square metres of north facing glass be on summer performance.
(5) Will the amount of glass vary with the size of the house.
(6) Will the requirement referred to in part (3) apply to multi unit developments.
(7) Is the ACT Government moving away from use of performance measures to rules.
(8) Will the six square metres of northern glass be required if a house is built to a rating of EER 7.
(9) Will the rule referred to in part (1) be extended to other parts of Canberra; if not, why not.
(10) How does the LDA plan to implement this.
(11) Will it be (a) a Territory Plan variation, (b) a precinct code, or (c) other.
(12) When does LDA plan to release (a) medium and (b) high density land in Molonglo.
(13) What impact on social development will there be from not releasing medium and high density areas early and therefore leaving a big gap along the main road in the middle of Wright and Coombs.
Mr Stanhope: The answer to the member’s question is as follows:
(1) Under the Building Code of Australia dwellings are required to achieve a 5 Star energy efficiency rating (EER), and ACT Planning and Land Authority (ACTPLA) is presently examining options to improve solar access, irrespective of the dwelling’s energy rating. One option is to specify a minimum area of north facing glass to living areas.
(2) Windows are considered to be north facing when they are within the arc 40 degrees west of north to 50 degrees east of north.
(3) North facing windows can be readily shaded in the summer months without affecting solar gain in winter.
(4) See answer (3).
(5) This matter has not yet been determined.
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