Page 501 - Trenchless Technology Piping Installation and Inspection

Index 451

pipe-soil system polyethylene pipe (PE)
open-cut design and, 119–120 advantages/limitations, 167, 168t, 237
structure of, 120–121, 121f, 122t density ranges of, 163
terminology surrounding, 121f, 122t engineering properties, 164–165, 165t
pits history surrounding, 161–163
safety and, 384–385 joints, 166–167
spacing of, 386–387 manufacturing, 163–164, 164f
PL. See panel lining Mini-HDD pipe load calculations
planar trajectory (horizontal), 213 and, 216–226
planning for trenchless installation overview of, 153
alignment considerations and, replacement using, 237–238
376–377 standards, 165–166, 166t
contingency, 264–265, 390 viscoelastic material properties and,
differing site condition and, 364 154–155, 154f
existing pipe renewal/replacement, polymer concrete pipe (PCP)
46, 48–51 benefits of, 144
GBR and, 371–373 example of, 143f
general geotechnical review, 369 making of, 143–144
geotechnical investigations, 368–373 overview of, 143
geotechnical survey, 369–371 pipe jacking and, 308, 309
HDD, 205–207 polyurea
heave and, 377–378 advantages/limitations, 112t
job site logistics requirements, formation of, 110–111
375–376 lining methods comparison with,
locating existing utilities, 366–367 115t–116t
MT, 315–317 overview of, 109–110
necessity of, 363 service laterals and, 110, 111f
new installation methods, 39–42, 42f spray head, 112f
overview of, 363–365 polyurethane
permits and, 374–375 advantages/limitations, 113t
pipe length and, 376 formation of, 113
potable water pipelines and, 98 lining methods comparison with,
pulling load planning guide, 115t–116t
271–272 overview of, 111–112
Risk Assessment Plan and, 382–384, spray head, 113f
383t polyvinyl chloride pipe (PVC)
safety and, 39–42, 42f, 381–384, 383t advantages/limitations of, 161, 162t
settlement potential and, 371, fusible, 158, 159t, 160
377–378 history of, 155
shaft/pit spacing, 386–387 internally restrained, 159t, 160–161
staging and, 377, 378f manufacturing, 155–156, 155f
subsurface investigation, 366–368 overview of, 153
SUE and, 367–368, 367t solid/profile wall, 157–158, 157f
surface survey/site visit, 365–366 standards/products, 158, 159t,
planning guide, pulling load, 271–272 160–161
plastic pipes TerraBrute™/Certa-Lok™, 159t, 160
corrosion protection of, 178–179 types of, 156–157
GRP, 167–171 viscoelastic material properties and,
metallic, 171–182 154–155, 154f
overview of, 153 potable water pipelines. See also
PE, 153–155, 161–167, 168t spray-on coatings/linings
PVC, 153–161 CIPP and, 278, 279t
viscoelastic material properties and, cleaning methods for, 99, 99f, 100t
154–155, 154f coating/lining methods, 106–113
plugging, 296 disinfection methods, 101–102
pneumatic bursting systems, 231, 232f lining applications for, 95–96, 96t
point source repair, 56t, 62, 62f pipe inspection, 98–99
poly pigging, 100t planning/site investigation for, 98
polyethylene chain, 164f renewal method selection for, 96–97