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Business Case for the SunShine CoaSt airport Master Plan

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One-off benefits such as changes to <strong>the</strong> noise and safety zone locations occur at <strong>the</strong> date that<br />

RPT traffic is diverted from <strong>the</strong> existing runway and transferred to <strong>the</strong> new, re-located runway<br />

(again, 1 July 2020). A number of <strong>the</strong>se one-off benefits also have a ramp up period to reflect<br />

expected lags in benefits as a result of <strong>the</strong> new configuration. For example, health benefits from<br />

reduced noise exposure <strong>for</strong> residents within <strong>the</strong> existing ANEF20 zone are only fully realised in <strong>the</strong><br />

longer term (e.g. 5 years <strong>for</strong> hypertension and 25 years <strong>for</strong> heart disease impacts).<br />

There are a small number of benefits which accrue prior to <strong>the</strong> introduction of <strong>the</strong> new runway <br />

<strong>the</strong>se are derived from incremental rental revenues <strong>for</strong> commercial/leased precincts which have<br />

take-up dates prior to 2020.<br />

The ramp up of overall benefits achieved in each year is set out in Appendix D of PwCs CBA<br />

report.<br />

16 | P a g e<br />

KEY ASSUMPTIONS UNDERPINNING THE DEMAND FORECASTING AND ECONOMIC MODELLING<br />

Criteria IA description Response<br />

5.Economic<br />

model<br />

parameters -<br />

benefits<br />

Benefits ramp up - Describe how benefits ramp up over<br />

<strong>the</strong> construction period, ie year 1 35%,year n X%.<br />

What source and/or assumptions in<strong>for</strong>m this ramp up?<br />

Indirect economic benefits (i.e. benefits that do not accrue directly to SCA from additional rental<br />

revenues etc) accrue from 1 July 2020, in line with <strong>the</strong> operating date <strong>for</strong> <strong>the</strong> new runway. This<br />

represents <strong>the</strong> date at which <strong>the</strong> existing capability limitations are lifted and <strong>the</strong>re is a first (small)<br />

step change in demand due to <strong>the</strong> opening of new routes. Benefits <strong>the</strong>n ramp up over <strong>the</strong> entire<br />

appraisal period, as <strong>the</strong>re is an assumed long-term demand growth parameter to 2050 (which is<br />

un-constrained by <strong>the</strong> capacity of <strong>the</strong> proposed runway and <strong>Master</strong> <strong>Plan</strong> facilities). The base case<br />

scenario also assumes a level of long-term growth, however this is ultimately capped by <strong>the</strong><br />

operating limitations of <strong>the</strong> existing runway/terminal configuration. Thus, a number of key benefits<br />

ramp up in line with <strong>the</strong> growth in incremental demand due to <strong>the</strong> improved capability of <strong>the</strong> new<br />

runway and <strong>the</strong>re<strong>for</strong>e <strong>the</strong> ability to service different airlines/aircraft and routes.

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