Attachment 4- Traffic Impact Assessment.pdf

Lot 1 and Lot 3/7 - Retail Trip Gen Calcs

Shopping Centre Specifications

Scenario                                  Yield (NLA)

                 Main Shopping
                                            20,880
                 Centre - South
Existing - Lot 1 Show rooms -
                                             7,000
                 Northern section
                 Total                      27,880
                 Additional - Lot 3/Lot
                                             7,500
                 7
Proposed
                 Additional - Lot 1          6,500
                 Total                      41,880


Existing Trip Rates
                                     PM                               SAT
Methodology
                         Trip Rate        Total Trips    Trip Rate          Total Trips
QLD Open Data              7.96              1,661          7.48              1,562
Surveys                    9.00              1,880          7.54              1,574
Adopted Trips              9.00              1,880          7.54              1,574


Decay Curve Components and Adjustment to New Curve for Noosa Shopping Centre
                                                         Weekday PM Peak                                                                Saturday Midday Peak
     NLA              Sq.ft                                    ITE Calculated                    Adjusted Trip                                   ITE Calculated    Adjusted Trip
                                        Eq         Trips                                                 (1)          Eq             Trips                                 (1)
                                                                  Trip Rate                         Rate                                            Trip Rate         Rate
    5,000            53,820            6.53         688             13.75                            14.17            6.69            803             16.06            13.58
     10,000              107,640             7.00          1,094              10.94                  11.36            7.15           1,277            12.77             10.29
     20,000              215,280             7.46          1,741               8.70                   9.12            7.62           2,032            10.16              7.68
     30,000                322,920            7.73           2,284               7.61              8.03             7.89             2,667            8.89               6.41
     40,000                430,560            7.93           2,769               6.92              7.34             8.08             3,233            8.08               5.60
     50,000                538,200            8.08           3,216               6.43              6.85             8.23             3,755            7.51               5.03
     60,000                645,840            8.20           3,634               6.06              6.48             8.35             4,243            7.07               4.59
     70,000                753,480            8.30           4,029               5.76              6.18             8.46             4,704            6.72               4.24
     80,000                861,120            8.39           4,406               5.51              5.93             8.55             5,145            6.43               3.95
     90,000                968,760            8.47           4,768               5.30              5.72             8.62             5,567            6.19               3.71
    100,000               1,076,400           8.54           5,117               5.12              5.54             8.70             5,974            5.97               3.49
    110,000               1,184,040           8.60           5,454               4.96              5.38             8.76             6,368            5.79               3.31
    120,000               1,291,680           8.66           5,782               4.82              5.24             8.82             6,751            5.63               3.15
    130,000               1,399,320           8.72           6,100               4.69              5.11             8.87             7,122            5.48               3.00
    140,000               1,506,960           8.77           6,411               4.58              5.00             8.92             7,485            5.35               2.87
    150,000               1,614,600           8.81           6,714               4.48              4.90             8.97             7,839            5.23               2.75
1. Apply the difference from adjustment tables to the ITE Calculated Trip Rates to get Noosa Shopping Centre Relevant Rates

Adjustment tables
                                                                                           Weekday PM Peak                                     Saturday Midday Peak
Method                                       NLA           Sq.ft                                Trips per 100m2                                  Trips per 100m2
                                                                                Eq                                 Trip Rates          Eq                             Trip Rates
                                                                                                      GFA                                              GFA
Baseline Trips                                                                                       1,880            9.00                            1,574              7.54
                                            20,880      224,752
Original Graph Replica (Interpolated)                                          7.49                  1,792            8.58            7.65            2,092             10.02
Difference in trip rates to be added to ITE Decay Curve                                                               0.42                                              -2.48

Noosa Shopping Centre (Retail) Traffic Generation Summary Table
                                                                        Weekday PM Peak                                         Saturday Midday Peak
   Scenario              Location         Yield (NLA)                                     (1)   Incremental Trip                    Expected    Incremental Trip
                                                         Trip Rate     Expected Trips                              Trip Rate
                                                                                                    Increase                         Trips (1)      Increase
                 Main Shopping Centre -
                                            20,880          9.00              1,880                                   7.54           1,574
Existing - Lot 1 South
                 Lot 3/7 - Development      28,380          8.21              2,330                   451             6.61           1,877            303
                 Lot 1 - Expansion          34,880          7.70              2,685                   355             6.02           2,098            221
  Proposed

1. Interpolated from Noosa Shopping Centre Adjusted Decay Curve