DISCHARGE MEASUREMENT NOTES   HS-251  Mistle R nr Penwick
Date 2026-09-19   Party: J. Aubry / S. Quillan
Method: bridge, sounding reel; stations from IP on left bank; units metres
Using meter #21447
Sta     Depth  Obs  Revs Sec
GH 1.329 m at 8:54 am
left abutment face 11.4, d 0.03
14.3    0.32   6/10  28   69.4  
16.5    0.46   60%   40   68.4  
19.2    0.62   60%   58   68.6  
Gauge 1.324 m 09:11
22.1    0.76   2/10  67   65.1    six-tenths 41   43.4    8/10  49   62.9  
23.7    0.83   .2    82   57.5    .8    48   50.0  
23.7 again:
23.7    0.83   0.2   69   54.4    80%   40   46.9  
26.2    0.93   0.2   62   46.8    eight-tenths 48   47.9     <- scratch this, weed on cups
26.2    0.93   two-tenths 62   46.8    .8    48   47.9  
27.6    0.98   two-tenths 95   67.3    .8    68   66.8  
29.1    1.02   2/10  63   40.5    .8    61   52.5  
swapped meter here -> #30118
31.4    1.08   20%   65   41.1    eight-tenths 55   44.8  
33.7    1.13   .2    110  66.0    0.6   72   45.6    8/10  84   62.7  
37.1    1.17   20%   98   51.9    80%   74   48.3  
37.1 again:
37.1    1.17   20%   87   48.8    8/10  59   45.2  
39.9    1.18   2/10  125  67.3    8/10  77   57.6  
42.4    1.18   two-tenths 121  62.1    0.8   71   45.4  
went back to 42.4 (meter fouled first time):
42.4    1.18   0.2   109  59.0    80%   58   42.3  
44.9    1.16   0.2   106  54.1    0.8   61   43.6  
47.7    1.13   0.2   120  61.5    eight-tenths 79   52.5    angle 10 deg
52.0    1.06   2/10  93   49.1    .8    66   47.0  
53.8    1.03   two-tenths 121  62.4    eight-tenths 65   44.6  
55.4    1.01   2/10  106  55.5    8/10  91   69.3  
[crossed out] 55.5    1.01   20%   109  55.5    .8    99   69.3  
58.4    0.96   0.2   84   44.0    eight-tenths 57   40.3  
61.2    0.91   2/10  123  65.9    eight-tenths 54   41.7  
62.4    0.90   0.2   102  55.9    .8    76   55.0  
65.2    0.86   20%   103  57.6    0.8   46   40.3  
69.4    0.81   two-tenths 92   57.3    .8    57   48.6    angle coeff .96
72.4    0.88   0.2   103  67.9    8/10  51   48.5  
72.4    0.78   20%   108  67.9    0.8   55   48.5     <- scratch this, weed on cups
74.5    0.75   2/10  75   51.2    .8    62   64.6  
77.5    0.71   6/10  66   62.8    ang 5°
80.6    0.65   .6    64   62.7  
86.9    0.45   0.6   41   66.6    angle 8 deg
REW is the wall at 91.9; depth there 0.03
Correction: depth at 72.4 = 0.78
gage ht 1.298 m @ 10:40 am
