2018-12-11 Services & Organisation Committee Agenda

SERVICES & ORGANISATION COMMITTEE MEETING AGENDA                                         11 DECEMBER 2018



                                        Gumtree Drive Bridge Options
Description                       Option 1          Option 2                     Option 3               Option 4
                                    All options involve the removal of the bridge and replacement using:
                             Existing Mary River    Steel framed             Landmark Style        Timber Bridge –
                             Pedestrian Bridge      recycled products        bridge                Timber Restoration
                                                                                                   Systems
                                      $                      $                       $
                                                                                                            $
Demolition                                 36,135                 36,135                  36,135                 36,135
Supply costs                                   0                  59,900                  65,000                 60,441
Install Costs                              25,000                 25,000                  25,000                  5,000
Abutment works                              6,000                  6,000                   6,000                  6,000
Earthworks & pavings                        7,500                  7,500                   7,500                  7,500
Craneage                                    2,000                  2,000                   2,000                  5,205
Waterway Barrier permit                     3,500                  3,500                   3,500                  3,500
Fauna & Flora Study                         3,300                  3,300                   3,300                  3,300
Fauna & Flora relocation                    3,500                  3,500                   3,500                  3,500
Tree work & rehabilitation                 10,000                 10,000                  10,000                 10,000
Geotechnical Assessment                    11,000                 11,000                  11,000                 11,000
Structural engineering                      5,000                  5,000                   5,000                  5,000
report
Traffic control                             2,000                  2,000                   2,000                  2,000
Energex costs                               3,500                  3,500                   3,500                  3,500
NC Project management                      10,000                 10,000                  10,000                 10,000
Capital costs                             128,435                188,335                 193,435                172,081
Contingency (30%) – high                   25,687                 56,500                  58,030                 68,832
due to unknown geo
conditions
Remaining Estimated life                      25                        50                    50                     50
(estimate)
Maintenance costs per                       3,500                  2,000                   3,500                  3,500
year
Future Maintenance                         87,500                100,000                 175,000                175,000
allowance of asset
Total (whole of life cost)                241,622                344,835                 426,465                415,913
Annualised Cost                             9,665                  6,897                   8,529                  8,318
Comment                      Risk removed. Large                                                   Girders only priced
                             costs for                                                             at 12m. Longer
                             replacement for an                                                    girders need to be
                             expected life of 25                                                   imported. Supplier
                             years                                                                 has not provided
                                                                                                   cost for import so
                                                                                                   contingency
                                                                                                   increased by
                                                                                                   another 10%




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