Page 565 - Fair, Geyer, and Okun's Water and wastewater engineering : water supply and wastewater removal

JWCL344_ch14_500-554.qxd 8/7/10 8:56 PM Page 523
Illustrative Computations for the System of Sanitary Sewers for Example 14.2
Adjacent Area Total Tributary Area Population Population Per Domestic Commercial Industrial Per Domestic Commercial Total Acre Acres Acres Acres Total Acre Acres Acres (15) (14) (13) (12) (11) (10) (9) (8) (7) 1,080 27.0 40 4 5 1,080 27 40 4 1,593 23.8 67 11 8 513 19 27 7 2,093 24.1 87 12 16 500 25 20 1 3,206 22.9 140 22 16 1,113 21 53 10 Design Profiel Cut Invert Elevation Velocity, ft/s Depth Lower Upper Lower Upper Length, flow, of Capacity, Slopes, Size,

Total (20) 0.795 1.413 1.931 2.832
Industrial Acres (6) 5 3 8 — Infiltration (19) 25.4 mm; 1 MGD

Total Acres To (5) (4) 49 C St. 37 E St. 29 H St. 63 K St. Maximum Volume of Sewage, ft 3 /s Domestic (18) .044 .440 .086 .650 .115 .852 .178 1.300

Location of Sewer Stations or Limits From (3) B Ave. C St. G St. J St. Commercial (17) .155 .429 .468 .858 0.3048 m/s; 1 in.

Street (2) A Ave. D Ave. F St. I St. Industrial (16) .156 .248 .496 .496 Conversion factors: 1 ft/s

Table 14.3 Section (1) a b c d Section (1) a b c d Note:

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