Hach AS950 AWRS, Руководство по эксплуатации

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Table 12 Closed conduit—partly full (continued)
Non-metal
Acrylic — 0.008 0.009 0.010
Glass — 0.009 0.010 0.013
Wood Stave 0.010 0.012 0.014
Laminated, treated 0.015 0.017 0.020
Clay Common drainage
tile 0.011 0.013 0.017
Vitrified sewer 0.011 0.014 0.017
Vitrified sewer with
manholes, inlets,
etc. 0.013 0.015 0.017
Brick Glazed 0.011 0.013 0.015
Cement lining 0.012 0.015 0.017
Concrete Culvert, straight and
free of debris 0.011 0.011 0.013
Culvert with bends,
connections and
some debris 0.011 0.013 0.014
Sewer with
manholes, inlet,
straight, etc. 0.013 0.015 0.017
Unfinished, steel
form 0.012 0.013 0.014
Unfinished, smooth
wood form 0.012 0.014 0.016
Unfinished, rough
wood form 0.015 0.017 0.020
Sanitary sewers
coated with sewage
slimes 0.012 0.013 0.016
Paved invert, sewer,
smooth bottom 0.016 0.019 0.020
Rubble masonry,
cemented 0.018 0.025 0.030
Table 13 Lined or built-up channels
Metal
Smooth steel
surface Painted 0.011 0.012 0.014
Not painted 0.012 0.013 0.017
Corrugated — 0.021 0.025 0.030
Non-metal
Cement Neat surface 0.010 0.011 0.013
Mortar 0.011 0.013 0.015
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