Development Application Part 3 of 3 - Plans · OPW11/0320

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                                                                                                           ENVIRONMENTAL DIARY
                      EROSION AND SEDIMENTATION MANAGEMENT PLAN
                                                                                                           Sediment Control                                                                     Weekly Visual Inspection or After Rainfall Event   In
                                                                                                                                                                                                                                                   N


                                                                                                           Project:-               Operational Works - Sewer Re-Alignment
                                                                                                           Principal:-
                                                                                                           Contractor:-            S TOOHEY
Objective                Comply with all statutory regulations and maintain erosion and sedimentation
                                                                                                           Location:-              17 TOPAZ STREET, COOROY
                         controls throughout the duration of construction.   Comply with the intent of
                                                                                                           Job Ref. No:-           110586
                         the sedimentation management plan shown on sheet 29 of the drawings

                         prepared by Noel Covey & Associates, and other measures as deemed                 Date:-                         El Regular Monitoring (Weekly)
                         necessary to control erosion and minimise sediment transport.                                                    q Special Event Monitoring (briefly describe event)
                                                                                                           Approx Time:-          om/pm

Management Strategy      Site Foreman to identify direction of stormwater land flows and flows resulting                      Date    Condition Corrective
                                                                                                               Item          Control Acce ptable Action                                    Corrective Action Taken
                         from construction, and provide sediment fences, rock filter dams, turf strips,      Monitored      Measure              Required                                         (Describe)
                         stormwater pit entry filters, and other measures as shown on the plan or as                        Installed               x
                         deemed necessary to prevent uncontrolled stormwoter flows over unprotected
                         areas, and avoid sediment transport to waterways and stormwater pits.               Sediment
                                                                                                              Fences

Tasks and Actions        Erect sediment barriers as shown on sheet 29 of the drawings, and at other
Required                 locations as deemed necessary by visual inspection. Temporary rock filter           Rock
                                                                                                             Filter
                         dams are to be placed at all concentrated stormwater flow outlet locations          Dams
                         and maintained with fresh filter screenings throughout the duration of

                         construction.    All   earthworks areas to be topsoiled and seeded or

                         hydromulched upon completion of profiling.      All footpath areas to be           Stormwater
                                                                                                              Outlets
                         provided with a minimum 4m wide turf strip behind kerb and channel

                         immediately after footpath area construction and topsoil profiling is
                         completed.  Strategically place filters around all stormwater pits.
                                                                                                              Catchpit
                                                                                                               Areas

Performance Indicators   Site Foreman to -
                         •    check for erosion and sediment flows at base of all                            Pavement
                         embankments and other                                                                 Areas
                                                                                                                                                                                                                                                            00
                                 exposed areas after rain;
                                                                                                                                                                                                                                                            P
                         •    check that rock filter dams are working during rain periods;
                         •    check that all sediment fences and other erosion control                      Bottom of
                                                                                                           Embankment
                         mechanisms are
                                 working during rain periods; and

                         •        clean and maintain filter fabric covers to pits after rain periods.      Humeceptors/
                                                                                                              Gross
                                                                                                             Pollutant
Monitoring               Site Foreman to monitor performance of all sediment controls on a                    Traps
                         regular weekly basis and after every rainfall event. Any damaged
                         sediment control item is to be rectified, and trapped silt removed and              Detention
                         deposited in an area not prone to erosion.                                           Basin

Responsible Person       Site Foreman to be responsible for all inspections and maintenance of sediment
                         control mPn-ijrP_-                                                                  Other

Reporting                Site Foreman is to complete the Environmental Diary for sediment control on a
                         weekly basis as a minimum, but also after every significant rainfall event or
                                                                                                           My Special Comments:

                         other special event affecting the sediment control measures.  The                                                                                                                 Signed:-
                         Environmental Diary shall be completed and delivered to the Superintendent for
                         record and audit purposes with each progress claim for the construction works.


Corrective Actions       The Site Foreman to arrange for installation of additional sediment

                         controls and/or improve maintenance controls and replacement of                                                                                                                                                                         LL
                                                                                                                                                                                                                                                                 U_
                         screenings to filter dams as required, and report on measures taken                                                                                                                                                                     0
                         in   the Environmental Diary.