MCU14/0056 - Attachment G - Engineering Report & Stormwater Management Plan

                                                            Stakes
                              Wire mesh screen                                                                                                               Plywood panel
                              (6 to 12 mm openings)                                                                                                                or similar
                                                              Blocks                                               Timber with
                                                                                                                                                                forming dam              Support post
                                                                                                                   drainage
                                                                                                                   gaps                                 PVC pipe collar
                                                                                                                                                                                          One or more
                              15 to 25 mm                                             15 to 25 mm
                                                                                                                                                                                          filter tubes
                              aggregate                                               aggregate
                                                                       Flow                                                            Flow             200 - 300 mm (min)                                  Flow
                                                                                                                                                         wherever practical




                                  (a) Block and aggregate system                          (b) Timber and aggregate system                                           (c) Filter tube dam system
                                                                                                                                                       Notes:
                                      Block wall supported by timber stakes and backing frame where necessary                                          1. Filter tubes maybe incorporated into most system, including
                                                                                                                                                       Sediment Weirs.
                                                                                                                                                       2. All sediment control systems must be hydraulically designed
                                                                                                                                                       to allow adequate flow bypassing during flows in excess of the
                                                                                                                                  Number of            specified sediment control design storm.
                                                                                                                                                       3. All diagrams presented here show the sediment control
                                                                                                                              drainage holes           structures much closer to the culvert entrance than would
                                                                                                                                determine by           normally be considered desirable.
                                                                                                                                    hydraulic          4. Figures (e) and (f) apply only to small (<600mm) pipe inlets.
                                                                                                                                     analysis
                                                                                                                                                         Two or more parallel
                                                                                                                                                         wire mesh fences               15 to 25 mm
                                                                                                                                                                                        aggregate
                                                         (d) Typical layout of block wall (front view)
                                                                                                                                                         15 to 25 mm                          Heavy-
                                  Sediment fence with                                                                                                      aggregate
                                                                                                        Large diameter                                                                        duty filter
                                    spill-through weir
                                                                                                        compost-filled sock                                                                   cloth
                                                                                                                                                                                                            Flow
                                        H


                                                                        Pipe                                                           Pipe
                                  300 mm                                inlet                                                          inlet
Catchments & Creeks Pty Ltd




                                   (min)

                                                                                                                                                                     (g) Sediment weir system
                                                                                                                              Drawn:           Date:
                                                                                                                                                                Pipe and Culvert Inlet
                                (e) Sediment fence inlet protection                       (f) Compost filter sock               GMW             Apr-10 Sediment Traps                                         PC-01