Appendix I - Stormwater Management Plan

3.2 Stormwater pit cover removal
3.2.1 Hinged pit grates

These are the steps for opening a hinged pit grate:
                                                                       Please note: Many cast iron hinges are not hinged
 1   Insert the lifting hooks beneath the grate.
                                                                        securely (to enable the removal of the grate). This
     (Position indicated in Photo 3)
                                                                        may result in the pit grate not being able to sit in an
 2   Check hinge point is not damaged and debris is not                 open position. Additionally the hinge pins may also
     caught in the hinge area.                                          be damaged or corroded, which may allow the
                                                                        grate to fall into the pit. Such pit grates can be
3    Fully open pit grate, ensuring that the grate will stay in
                                                                        removed using the method indicated below for
     the open position without any external forces applied.
                                                                        non-hinged grates.
     Grates that do not remain open without being held
     should be removed or secured during cleaning or
     maintenance activities. Photo 4 indicates the grate being
     opened and grate resting freely in the open position,
     respectively.




 Photo 3 Lifting the grate                                        Photo 4 Fully open grate




 Photo 5 Lowering grate



                                                                                       Stormwater360 Operations and maintenance   9