bell hole

bell hole

[′bel ‚hōl]
(mining engineering)
One of the holes or excavations made at the section joints of a pipeline for the purpose of repairs.
A conical cavity in a coal mine roof caused by the falling of a large concretion.
References in periodicals archive ?
Tenders are invited for Coating Survey (Cat / Dcvg / Cips) Along With Bell Hole Inspection And Repair Of Defect Spot Exposed Through Bell Hole Inspection For 988 Km Mainline Stretch Under Wrpl Group A
DAIRY DATES October 3rd: Horden beach, Bell Hole to Deneholme, 5pm-10pm.
Services offered by Mears include engineering; pre- assessment; indirect assessment; surveys; direct examinations; post assessment; construction services including ILI preparation (inline inspection), ILI validation, ILI repairs, pipeline excavation and bell hole inspections, recoating, cathodic protection installation, casing repairs and HDD.
Jinkerson and Walters utilized the machines to help dig out a large bell hole for access to welding the pipe.
It was the Bell Hole at Horden which produced the winning fish ( a cod of 4.
Phil Skinner had a nice cod in Blackhall's Open match, but it was a cod of only 3lb in a bag of 4lb, taken at Bell Hole, which won the event for Ray Hutton.
Key features include: a dead-manhandle stops all ramming action instantly whenever the operator releases his grip on the guiding handle; low hand/arm vibration, lower than any engine powered rammer; and a lack of exhaust fumes in bell holes and trenches is a health and safety issue for operators.
A conveyor pivot attachment is available for the EZ-7 Model which pivots from parallel to the ditch and out to approximately 65" which gives additional reach for wider ditch, bell holes etc.