• 301. Excavation for tunnels

  • 302. Drilling

  • 303. Temporary Works and ground support

  • 304. Spiling, dowelling and rockbolting

  • 305. Sprayed concrete

  • 306. Ground support with arches

  • 307. Forepoling

  • 308. Explosives

  • 309. Groundwater

  • 310. Probing ahead

  • 311. Break-outs from shafts and tunnels

  • 312. Installation of sheeted waterproof membranes

  • 313. Installation of sprayed-applied waterproof membrane

  • 314. Tunnel boring machines (TBMs) and shields

  • 315. Slurry and earth pressure balance machines

  • 316. Open-faced tunnel boring machines

  • 317. Hand shields and mechanised open shields

  • 318. Tunnelling machines and shield operation

  • 319. Pipe jacking

  • 320. Jacked box tunnelling

  • 321. Construction of segmental tunnel lining

  • 322. Segment gaskets

  • 323. Grouting

  • 324. Pointing and caulking

  • 325. In situ concrete linings other than sprayed concrete

  • 326. Shafts

  • 327. Timber headings

  • 328. Tolerances for tunnels, shafts and underground works

  • 329. Monitoring recording and the control process of underground works

  • 330. Survey and setting out

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