DISCHARGE MEASUREMENT NOTES   HS-204  Corvin Ck at Haddow Br
Date 2026-08-20   Party: R. Tresham / T. Lind
Method: bridge, sounding reel; stations from IP on left bank; units feet
Meter s/n 21447
Gauge 1.72 ft 11:54
LEW 25.5 (sloping bank, dry)
Vert at 41.5, depth 4.25
    .2  27 rev  49.8 sec
    8/10  19 rev  45.4 sec
Vert at 55.5, depth 6.40
    2/10  45 rev  55.1 sec
    .8  27 rev  46.4 sec
Vert at 64.0, depth 7.50
    2/10  55 rev  55.6 sec
    eight-tenths  49 rev  66.1 sec
Vert at 79.0, depth 9.20
    20%  68 rev  55.0 sec
    80%  55 rev  62.2 sec
Vert at 84.5, depth 9.75
    2/10  81 rev  66.5 sec
    6/10  66 rev  61.0 sec
    80%  49 rev  54.7 sec
Vert at 100.5, depth 10.90
    two-tenths  73 rev  52.7 sec
    0.8  43 rev  40.3 sec
tag line & rod in metres from here on
Vert at 33.0, depth 3.42
    20%  78 rev  53.3 sec
    80%  45 rev  42.7 sec
    15° to normal
Vert at 37.8, depth 3.52
    2/10  66 rev  42.1 sec
    .8  58 rev  49.0 sec
PIER face 38.8 d 3.52 | face 40.4 d 3.51
Meter changed to s/n 30118
Vert at 41.7, depth 3.49
    2/10  111 rev  65.0 sec
    8/10  84 rev  69.3 sec
Vert at 43.8, depth 3.44
    20%  84 rev  53.4 sec
    8/10  78 rev  61.9 sec
Vert at 49.1, depth 3.25
    2/10  117 rev  69.0 sec
    0.8  51 rev  44.8 sec
Vert at 54.1, depth 3.02
    .2  69 rev  41.5 sec
    0.8  51 rev  44.9 sec
Vert at 55.8, depth 2.94
    .2  68 rev  41.1 sec
    80%  53 rev  46.8 sec
Vert at 58.6, depth 2.81
    0.2  78 rev  48.7 sec
    8/10  63 rev  56.8 sec
Vert at 63.0, depth 2.63
    20%  88 rev  56.8 sec
    .8  53 rev  47.9 sec
    ang 5°
Vert at 66.4, depth 2.52
    20%  80 rev  54.6 sec
    0.8  75 rev  68.7 sec
Vert at 72.5, depth 2.33
    20%  74 rev  56.3 sec
    0.8  45 rev  45.9 sec
    angle 8 deg
Vert at 76.3, depth 2.20
    2/10  57 rev  48.3 sec
    eight-tenths  52 rev  60.2 sec
Vert at 81.9, depth 1.92
    2/10  63 rev  69.0 sec
    80%  41 rev  59.7 sec
Vert at 84.7, depth 1.72
    .2  34 rev  41.3 sec
    eight-tenths  30 rev  50.1 sec
Vert at 90.7, depth 0.96
    two-tenths  24 rev  61.9 sec
    80%  13 rev  48.7 sec
right abutment face 93.7, d 0.10
GH 0.496 m at 13:12
