Page 492 - Trenchless Technology Piping Installation and Inspection

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capstan effect, 218, 218f concrete pipes (Cont.):
carrier pipe, 332, 334 overview of, 141
casing pipe, 333–334 PCCP, 142–143
casing spacers, 334 PCP, 143–144, 143f, 308, 309
cast-iron pipe pipe jacking and, 308
ductile iron pipe and, 172–173, 173f RCCP/bar-wrapped, 143
pipe bursting and, 230 standards for, 144, 144t
CCTV. See closed circuit television types of, 142–144
cement-based pipes conductor barrel, 28–29
AC, 148–149 construction considerations
concrete, 141–148 as-built drawings, 264
overview of, 141 bypass pumping, 256
cement-mortar linings contingency plan, 264–265
advantages/limitations of, 109t CPJ, 309–312
application of, 107, 107f dewatering, 256
installation procedure of, 107–108, friction/power, 255
108f grooves, outside surface pipe,
lining methods comparison with, 262–264, 263f, 264f
115t–116t ground movement, 256–257, 266
overview of, 106–107 HAB, 334–335
centrifugal casting HDD, 201–203, 345–348
concrete and, 142 manhole connections, 257, 258f,
of GRP, 169 259f, 260
Certa-Lok™, 159t, 160 MT, 24f, 320–323
CFP. See close-fit pipe nearby utilities, 255–256
Cheesy-Manning equation, 237 open-cut vs. trenchless, 6t
chemical cleaning, 100t operation layout, 253–254, 254f
chemical pipelines, 278, 279t overview of, 252
CIPP. See cured-in-place pipe pipe bursting, 354–355
circular pipes, 278, 279t pipe connections, 260
clays, classification of, 125t pipe-ramming, 338–339
closed circuit television (CCTV), 283 prechlorination, 252, 253f
closed shield pipe jacking, 11f, 12, 14f PTMT, 325–330
close-fit pipe (CFP), 52f, 52t, 54t, 56t, replacement methods, 252–267,
60, 61f 354–355
clothing, safety and, 381 safety, 265
coatings/linings. See also liner; sag, 265–266
spray-on coatings/linings service connections, 261–262,
existing pipe renewal and, 52f, 52t, 261f, 262f
53, 54t–55t, 57–62, 58f, 60f shoring, 254–255
lining tubes and, 298 slow bursting, 266–267
vs. pipe bursting, 238 soils, 124, 126
PL, 57, 59f water mains, 260, 260f
collapsed borehole, 269–271 construction defects, 287f
collapsed pipe contamination, ground, 360
CIPP and, 284f contingency plans, 264–265, 390
HDD and, 219, 222–223, 223t, 225 continuous feed method, 101
load calculations, 272–275, 273t contractual considerations, 200–201
color codes, utility, 385, 386t conventional pipe jacking (CPJ)
communication, 390–391 advantages of, 33, 36
composite pipes, 178–179 allowable forces and, 308
compression type rubber gasket joints, applications, 33t
146t benefits of, 4, 5f
concrete pipes construction and, 309–312
advantages/limitations of, 145, equipment, 310, 325, 326f
147–148, 147t force calculation, 311–312
corrosion protection of, 178–179 inspection for, 307–312, 313f–314f
CP/RCP, 142 limitations of, 36
joint types for, 144–145, 146t main components of, 10–11, 32t
manufacture of, 141–142 materials used in, 307–309