Users’ Manual
EDS-71V/P Single point borehole extensometer
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13
process.
3.3.6 Screw male end connector of fibreglass rod assembly (2) to groutable anchor (1). In the process,
the nylon tubing will also get firmly gripped to groutable anchor. A little grease may be used for
ease in assembly.
3.3.7 Lower groutable anchor into borehole till near end of fibreglass rod is remaining around 1 - 1.5 m
outside face of borehole. Trim nylon sleeve such that female connector and fibreglass rod is
exposed by around 100 mm from connector end.
WARNING!
Fibreglass rod is supplied in coil form using cable ties. It is very stiff material and must be
carefully handled when unwinding as the end may snap back and cause personal injury.
3.3.8 Guide end of fibreglass rod through hollow bolt (12), washer (11) and rubber bush (10) of hole
marked ‘1’ at bottom of flanged housing (5) and corresponding holes on guide plate (6) with end
protruding around 80 mm from guide plate (6) face. To do this the fibreglass rod will have to be
bent. Tighten hollow bolt on connecting rod such that it does not slip into the borehole.
To Pump
25
24
4 holes Ø15
at 105 PCD.
Item
Description
24
M6 x 100 mm or 125 mm or 150 mm cheese head screw cheese
25
M6 lock nuts – 3 nos. per cheese head screw
Figure 3.2
– Setting arrangement for 1 point BHE
