As the tunnel was excavated, the hydraulic jacking unit provided the necessary force to jack the 54-inch reinforced concrete pipe column
under the roadway.
The drama began after a falling pipe column
cut the power to the lift used to hoist the workers to the surface near Johannesburg.
VVDAVID Pipe column
, page 12 VVWINCANTON card, page 46 Landscape: escapes a penalty for winning at Taunton last Sunday
Lubricant was applied at the leading end of the new pipe column
to reduce friction.
Beaten in both starts since last year's Feltham and may need a bit more time after undergoing wind operation VVDAVID Pipe column
, page 12
The system provides lubricant at the leading end of the new pipe column
to reduce friction and fill annular voids.
Difficult areas, such as concreted lateral repairs, can be easily expanded as a result of the lead train advancing independently of the pipe column
His Excellency (see David Pipe column
, page 14) completes the line-up.
Tends not to get high at his fences and some believe he will hate them at Aintree David Pipe column
, page 12 Bidding for unique treble SHOULD Junior land this afternoon's John Smith's Grand National he will not be alone in having won at Royal Ascot before following up in the world's most famous race.
David Pipe column
, page 10 Henderson hoping Bobs Worth gets run of race GRANDS CRUS found one too good at last year's festival.
Tenders are invited for P/F Of M S Hollow Pipe Column
Purpose For Lift With Supply And Installation Of Lift In Office Building In Yea
Furnish and install one new 100 horsepower submersible vertical turbine pump and motor assembly on an existing six inch pipe column
set at 280 below ground surface (bgs) at Enterprise Well No.