Response to Information Request - Received on 19/04/2012 · OPW11/0335

 EP-SMP-03: Maintaining the vegetated buffer zones

 6. Frequency/Deadlines                                                                                                         1) Irrigation system for performance (blockages, leaks): weekly.
                                                                                                                                2) Garden surfaces for bare patches and weeds: monthly. Soil pH:
                                                                                                                                seasonally twice a year.
 7. Responsibilities                                                                                                            Site Manager;

                                                                                                                                Landscape contractor
 8. Reporting and                                                                                                               1) Monthly reporting of maintenance costs sites where weeds and
 Review                                                                                                                         permanent cover are difficult to maintain to the site manager;
 9. Contingency                                                                                                                 When loss of control of the landscape irrigation system and vegetation
                                                                                                                                buffer occurs:

                                                                                                                                1) Inform site manager, and request maintenance support;
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                                                                                                                                2) Cease irrigation supply, If overflowing water cannot be stopped, redirect
                                                                                                                                overflow onto stable ground (grass surface, swale);
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                                                                                                  /J~                           3) Redirect surface water flow to bypass bare or easily eroded surfaces,
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                                                                                                                                and direct overflow onto stable ground (grass surface, swale);
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                        ,;.’                                                                ,,:~                     !i:   ij   4) Rake and contain any grass clippings, plant litter; compost or litter from
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                                                                                                                       ",’t’    5) Remove collected litter and compose, and dispose of appropriately;
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                                                                                                                                6)Implement corrective actions.
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,10. Corrective actions                                                                                                         Mowing and pruning
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                                                                                                                                1) Site manager reinforcing the need for off site disposal or composting of
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                                                                                                                                2)Site manager to reinforce the need for off site disposal, mulching, or
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                                                                                                                                composting of pruned materials;
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                                                                                                                                3) Site manager reinfQrcing the need for maintaining plant vigour by
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                                                 ,,,:1:                        Ioil ,!l!           ~ "                          fertilising lawns and gardens appropriately. Ul3e recommended fertiliser
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                                                                                                                                application rates and ~anaging soil pH to avoid leaching of fertiliser
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                                                                                                                                nutrients into stormwater.
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                                                                                                                                Weeding
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                                                                                                                           ~    4)Site manager reinforcing the need to weed lawns and gardens;
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                                                                                                                                5) Site manager reinforcing the need to remove terrestrial and aquatic
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                                                                                                                                weeds from the vegetative buffer strip and terminal wetlands.
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                                                                                                                                Irrigation
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                                                                                                                                6)Blockages and leaks in the irrigation plumbing and reticulation system to
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                               j                                                                                                be promptly repaired.