66 ', Removing, from sewage. 177, 306 327 230 174 172 174 144, 171, 336 306 176 100, 144 210 174, 327 362 386 103, 107 205 297 206 204 296, 308 267 157, 161 285 220, 256 40 397 400 262 258 Masons, Number of, required..... Materials of sewer construction. (See also material or appurtenances 204, 300 300 66 vitrified, Specifications for... Pipes and conduits, Interference with, by contractor.. , Water, gas, or drain, in the trench.. Plans, sewerage, Data required for..... Plumbing, Regulations for sanitary. Pneumatic systems.... Pollution of streams, Effect of. Population, Distribution of, in families and dwellings. PAGE 254, 262 291, 317 291, 319 206 170 192 200 274 103 271 341 7 21 34 36, 116 35. 113 36 .380, 382, 385, 386 396 378, 381,383 388 389 336 45, 125 305 185 Railroads, Sewers near...... Rainfall, Rates of, in various sections.. Ransome method of building sewers. Removing a pipe from a sewer. Rivers, Methods of crossing. ", Discharging sewage into. See Dilution. 341 24, 405 19, 21 109 229 257 189 201 358 51 Factors of..... |