Reference Documents - MCU23 0070

MANNING’S CALCULATION – DOUGLAS LANE

                   Cross Sec tion Details                                        1 % AEP Flow
    P oint           CH              Z                  n              wA             wP               n x wA
       1            0.00           0.080              0.015
       2            0.00           0.000              0.015           0.00           0.04                0.00
       3            0.50           0.012              0.015           0.02           0.50                0.00
       4            1.31           0.027              0.015           0.02           0.80                0.00
       5            2.06           0.021              0.015           0.01           0.75                0.00
       6            2.61           0.018              0.015           0.01           0.56                0.00
       7            2.88           0.017              0.015           0.01           0.26                0.00
       8            3.50           0.073              0.015           0.00           0.29                0.00
       9            4.67           0.089              0.015
                                                                       wA             wP               n x wA
                                               TO TAL                 0.073          3.207              0.001
                Slope (m/m)
                    0.08                                                R              n                   Q
                                                                      0.023          0.015               0.113
                                             Design Flow (m³/s)                      0.113
                                                        WSL (m)                      0.042


                                               Results
                                            Channel Flow (m³/s)                      0.113
                                                 Velocity (m/s)                      1.54
                                                Max. Depth (m)                       0.042
                                             DV Product (m²/s)                       0.07


     0.10
     0.09
     0.08
     0.07
     0.06
     0.05                                                                                    Surface

                                                                                             1% AEP Flow
     0.04
     0.03
     0.02
     0.01
     0.00
         0.00     0.50     1.00     1.50       2.00       2.50       3.00     3.50    4.00        4.50          5.00
                                                      Chainage (m)




SITE BASED STORMWATER MANAGEMENT PLAN – Revision B                                    36 & 38 DUKE STREET, SUNSHINE BEACH