25 A summary of the council's and the objectors' concerns are:
o Although the official opinion is that the stormwater creek is NOT a "watercourse", no-one can deny that it acts as a creek, and flows almost constantly with volumes changing with the rainfall. It obviously plays a significant role in the life of the rainforest and the faunal habitat.
o One of the proposed house sites is very close to the storm water creek.
o The site is landslip-prone, and boulders have rolled down the hill onto Falconer's land in the past. Development of the land would de-stabilise it further.
o Hillside Rd is a narrow street with embankments on the uphill side and steep slopes on the downhill side. Most houses have little on-site parking for guests or extra cars owned by family. They have to park on the street, and the narrowness plus parked cars makes it one-way in many places. The end of Hillside Rd is frequently congested from existing traffic and parking. The dead-end without a proper cul de sac makes turning difficult for cars, and very difficult for trucks or service vehicles. This existing situation occurs with the 3 lots at the dead-end of the street more or less vacant. It will be much worse with 7 additional houses plus the existing house, and eventually another house on the vacant lot, making 9 houses. The proposal does not appear to have any visitor parking, nor space for more than 2 family cars.
o The natural amphitheatre already amplifies noise and reduces privacy/amenity for existing residents. The 7 additional houses and activities of the proposal would increase this. Two examples: the garbage truck frequently cannot turn at the dead-end due to parked cars and the driver sits on the horn until someone comes to move a car. Parties at any of the houses keeps all the neighbourhood awake.
o The area has the highest bush fire hazard category, putting houses in it would be unwise.
o Putting driveways and houses and the associated yards and ancillary structures on the site will destroy natural existing rainforest that covers almost the whole of the site. The rain forest is highly valued and a habitat for fauna, and a faunal corridor between the coastal flat and the plateau, and it should be preserved.
o This is one of the few remaining significant rain forests in Pittwater and should not be lost. It is visually prominent as a coastal landscape feature being seen from public areas such as Barrenjoey Rd and Porters Reserve, and elsewhere.
o The proposal shows a stormwater collection drain 350 m long around a contour at the top of the site. It is needed according to the proposal as part of the landslip prevention engineering, and will concentrate all water into the creek. Collecting the overland flows will cut off existing water supply to the parts of the rainforest said to be preserved by the proposal. Apart from the impact of clearing for subdivision and construction of services, driveways, houses, ancillary buildings and yards on land that is around 30 degrees slope the loss of overland water supply will mean the rainforest will not survive.
26 Dr Robertson said that almost all of the site is Littoral Rainforest and it is classified as an endangered ecological community under the Threatened Species Conservation Act 1995. At the end of all the expert evidence, it was agreed by both sides that a proportion of littoral rainforest would be destroyed, but the amount was in dispute.