Technical Note in response to action notice

                                                              Ref No 20648-R1 – Rev 2




In accordance with the standard drawing the culvert size should be 450mm diameter
however it was observed that the neighbouring driveway to the south (upstream of
the subject driveway) also contained a 375mm pipe. It was observed that there is
approximately 50mm of fall between the two driveway culverts. As such it is not
deemed necessary to upgrade the pipe on the subject driveway.

The longitudinal grade of the access does not comply with the standard drawing in
that there is no low point in the pavement above the pipe culvert. This is not
considered critical in this location due to the low grade of the road and open drain.
Again, it was observed that the neighbouring (upstream) property did not contain a
low point either.




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