B07056.W-01A Complete - Stormwater [As Published] · 132007.2398

                                                                                                                                            Appendix C



WEIR CALCULATIONS
Filename: H:\B07\050-099\B07056 - RSL Care Cooroy.WW\Misc\[Weir Calcs MS 071017.xls]design ds_weir-data
Date:     22/10/2007
By:       MS

Northern Dam                                                           Northern Dam

North XS 1 - Dam Weir                                                  North XS 2 - Dam Weir on other side of boundary
WSL (m AHD)               100.062                                      WSL (m AHD)               99.684
Flow (m3/s)                2.91                                        Flow (m3/s)                2.91

Weir Flow Coefficient       1.66                                       Weir Flow Coefficient       1.66

Chainage RL (m AHD)        P (m)      D (m)      Q (m3/s)   Extents    Chainage     RL (m AHD)     P (m)    D (m)      Q (m3/s)   Extents
  0.00     100.25                                                         0.00        100.32
  5.68      99.99          1.57       0.04         0.02      4.11         3.55        100.00
  9.19      99.83          3.51       0.15         0.35                   6.34         99.75
 22.79      99.89          13.60      0.20         2.05                   9.09         99.50       2.02      0.09        0.09      7.07
 30.01     100.00          7.22       0.12         0.48                   12.83        99.50       3.74      0.18        0.49
 31.97     100.15          0.81       0.03         0.01      30.82        17.96        99.60       5.13      0.13        0.42
 46.52     100.07                                                         20.46        99.50       2.50      0.13        0.20
 51.80     100.25                                                         24.06        99.36       3.60      0.25        0.76
 54.36     100.34                                                         27.66         99.5       3.60      0.25        0.76
 56.26      100.5                                                         32.71        99.75       3.72      0.09        0.17     31.38

                   Calculated Weir Flow (m3/s)     2.90                                  Calculated Weir Flow (m3/s)      2.91
                                  % Difference    0.35%                                                 % Difference     0.10%




H:\B07\050-099\B07056 - RSL Care Cooroy.WW\Misc\Weir Calcs MS 071017