Excavate 2 holes with a 250mm diameter
tapering down to 350mm diameter and
minium 650mm depth
Compact base of hole with 50mm of
aggregate. Lower ground Fix posts
attached to instrument into hole (check
instrument straight and level, and at
correct height before filling with
concrete)
Carefully lay 2 x legs on a level surface.
Line up pre drilled holes in the
backboards with the legs and ensure the
instrument is aligned square with the
legs. Fix in place using 8x70mm screws
supplied
Fill holes with fast drying concrete to
manufacturers specifications. If posts
protrude above instrument they can be
cut down
650
350
250
50
600
Ground Fix Installation
(1.1)
1
2
3
4
Ground Fixed
BS EN 1176
Freechimes
Alto/ Soprano
Page 4 of 4
Foundations should not present a hazard. These foundations are
recommended as a guide, for more information on foundation
details for various surface see Part 7 of BS EN 1176.
Minimum installation depth required 650mm, to set height of
instrument bury deeper until optimum playing height is achieved.
Metric Conversion:
50mm/ 2”
250mm/ 10”
350mm/ 14”
600mm/ 24”
472mm/ 1 ft 6
37
/
64
“
709mm/ 2 ft 3
29
/
32
“
