Template4Waterwaybarrierworks_RosesRoad

6) If the barrier is temporary (in place less than 12
months) how many days will the barrier be in
place?


7) Will the barrier extend across the waterway                Yes, go to question 8
from bank to bank?                                            No
7.1) What is the length of the proposed
                                                                                                                          metres
barrier? (across the waterway)
7.2) What is the width of the waterway? (bank to                                                                          metres
bank)


8) What is the purpose of the proposed
barrier? (e.g. creating a new or increasing the capacity
of the existing water storage, maintenance work)


9) What are the details of the proposed
construction materials? (e.g. earth, concrete, rock
fill, steel, timber, sand)


10) Provide the following details of the                   Total crest height (D)                                     metres
proposed barrier in reference to the diagrams              Thickness (A) of crest                                     metres
below.
                                                           Height of spillway/bywash (H)                              metres
                                                           Width of spillway/bywash inlet (W)                         metres
                                                           Base width (B)                                             metres
                                                           Internal diameter (O) of outlet                            millimetres
                                                           pipe/works and discharge capacity
                                                           Length of wall (L)                                         metres
                                                           Distance of backup from barrier                            metres
                                                           wall at full supply level
                                                           Volume of storage                                          megalitres
                                                           If raising an existing waterway                            metres
                                                           barrier, additional height above
                                                           existing crest
                                                           If raising an existing waterway
                                                           barrier, method of raising (e.g.
                                                           capping crest, inflatable bag, gates
                                                           etc.).




                                                                                    DA Form 1 – Template 4 Waterway barrier works
                                                                                                     Version 1.1— 22 JUNE 2018