132003 221152 6 - Approved Plans

•    The chute contents will be washed into the sediment receptacle drum and
     sealed with a lid before leaving the site.
              ▪ The drum will be secured onto the main frame of the vehicle
                  ready for transportation.
              ▪ The drum will be secured with a bracket that is easily
                  accessible to the operator.
              ▪ The drum will be removed from the bracket and the waste
                  water emptied into the designated treatment facility once the
                  truck returns to the yard with the wastewater containing
                  suspended solids being recycled back into the plant.


•    The vehicle will be washed down at the depot.

•    Delivery vehicles will be on paved surfaces at all times and so no mud soil
     and or stones will be carried off site as pollutants.
•    Inspect roads for any sediment that has been tracked off site and
     sweep it back on site.
•    (This will be done if there is threat of rain and at the end of each day). A hose will
     not be used to wash it away.



    INSTALLATION OF PILES AND CAPPING
    Methodology for installation of hollow bar micropiles as deep foundation
    support for the new timber deck.

        The micropiles consist of one or more outers steel casings installed to
        the depths indicated on the piling subcontractor (PCA) drawings. A
        central steel reinforcing element consisting of a 40/20 hollow bar is to
        extend to a pre- determined design depth below the casing to form the
        bond length and develop the applied load.
        After checking the the project drawings for the details of the micropile
        arrangement for each pile location (designed in accordance with the Tree
        protection plan.) the Tree protection plan, the construction management
        plan and relevant environmental protection documentation and
        instructions the rig will be craned into position for the first pile onto a
        previously established level temporary protective platform constructed in
        accordance with the tree protection plan and AS4970 - 2009.

        Drilling will be carried out using a 90mm EXX drill bit using a rotary top
        hammer for installation and all installation specifications accurately
        recorded for this and all subsequent piles.
        The piles are grouted as the work proceeds and any excess grout is
        collected and pumped into storage containment for offsite disposal in
        accordance with the concreting operations environmental protection
        plan.
        The process is repeated for subsequent piles.
        The onsite grouting pump will be contained within its own bunded area