IDAS Form 27 - Cooroibah

5.    Constructing a new or modifying (including maintenance and replacement of) an existing culvert

What is the nature of the proposed work?               Construction of a new culvert
                                                       Maintenance of an existing culvert
                                                       Replacement of an existing culvert


What is the purpose of the proposed culvert?
Heavy vehicle access to facilitate construction of nbn™ Telecommunications Facility.




For a temporary barrier (i.e. in place less than 12 months), how many days will the culvert be in                        days
place?


Will the culvert extend across the waterway from bank to bank?
        Yes

        No     - how long is the proposed culvert (across the waterway)?                                              metres

               - how wide is the waterway (bank to bank)?                                                             metres


What type of culvert is proposed?
        Box culvert                     Arch culvert                       Pipe culvert

        Combination culvert             Other—please specify:

In reference to the diagrams below, provide the following details of the proposed culvert.

How many culvert cells are there?                                                                       2

What is the upstream downstream culvert cell length?                                                            4.8   metres
What is the inside cell width of each culvert (or diameter of pipe culvert)?                                    1.2   metres
What is the internal height within the culvert cell?                                                            1.2   metres




                                                                                            IDAS form 27—Waterway barrier works
                                                                                                      Version 3.2—3 August 2015