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Key changes to the Bylaw
The Bylaw contains a number of changes to its regulations that differ from the original 2010 Bylaw. Many of these changes are minor, included for additional clarity, and to ensure consistency with the regional rules.
However, some changes will affect what types of burners can be installed in houses within the Rotorua Airshed.
Interpretation
The interpretation section contains a number of definitions of terms that are used in the Bylaw. The biggest change to these definitions is the inclusion of definitions for each different type of solid fuel burner (coal burner, indoor open fire, multifuel burner, pellet burner, woodburner). There is also some clarification of the definitions for "replace or replaced", "remove or removed", and "operable" (changed to "inoperable").
Other minor changes have been made to assist interpretation.
Point of Sale Rule
The core requirement of the Point of Sale has been retained. This rule previously required any non-complying solid fuel burner to be removed or replaced from a dwelling house before it was sold. There are two key changes to this.
1. Indoor open fires must now be rendered inoperable and may no longer be replaced with another type of solid fuel burner. Indoor open fires were phased out in May 2015 by the 2010 Bylaw. Discharges of particulates from this source are now considered to have been removed. Replacement of an indoor open fire with another type of solid fuel burner is therefore introducing a new source of discharges to the Rotorua Airshed, which will not achieve the outcome sought. It has been two years since the phase-out, sufficient time for homeowners to have installed a replacement solid fuel burner.
2. The rule now applies to all buildings in the Rotorua Airshed. Previously the rule applied only to dwelling houses. Dwelling houses have a specific definition (taken directly from the RMA) that made it unclear whether it applied to buildings used for other purposes, such as businesses and accommodation.
A new clause has been added that requires written/photographic evidence of the removal or replacement to be provided to Council. While this was usually provided by those affected by this rule, this clause makes the requirement explicit, and it is clear to the public what is required.
New Burner Rule
The "Restriction on Installation of Solid Fuel Burners in New and Existing Houses" rule, known as the new burner rule, has changed.
Previously the rule permitted the installation of a solid fuel burner provided they complied with the design standard (1.5 grams particulates discharges per kilogram of dry wood burnt) and thermal efficiency standard (the ratio of useable heat energy output to energy input not less than 65%) of the NESAQ.
There are three substantial changes to this rule:
1. The installation of new burners where there is currently no solid fuel burner installed is limited to pellet burners. Pellet burners are the only solid fuel burner proven to have low emissions in real-life and are not as significantly affected by operator errors (such as burning rubbish) that increase emissions.
2. Woodburners may be permitted provided that they replace a woodburner, coal burner, or multifuel burner. They may not replace indoor open fires nor any type of solid fuel burner that is designed for a purpose besides space heating (coal ranges, chip heaters).
3. Woodburners must meet a design standard of 0.5 grams particulates discharges per kilogram of dry wood burnt. This is stricter than the NESAQ requirement. Research shows that woodburners discharge significantly more particulates in real life, due to operator error. However, the better the design standard (the lower the discharge) the better the woodburners performs in real life. Ensuring that the best possible woodburners are installed will help achieve the outcome sought.
Once again this rule now applies to all buildings, not just dwelling houses.
The design standard and thermal efficiency regulations from the NESAQ have been included as additional clauses to this rule for clarity.
Minor changes
Other minor changes include amending or removing redundant dates throughout the document, and some grammatical corrections.