Ground Fix Installation
(1.1)
1
2
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Components:
2 Treated Posts
90x90x2000
Ground Fixed
BS EN 1176
Freechimes
Alto/ Soprano
Page 3 of 3
Excavate 2 holes with a 250mm diameter
tapering down to 350mm diameter and
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
6
50
350
250
50
6
00
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.
Options for finishing wooden posts:
A - Dig the posts in deeper than recommended minimum depth to avoid cutting off excess post protruding above chimes.
B - Dig post into recommended depth, set height of chimes and cut excess post protruding above chimes, but exposed end grain will need treating.
Metric Conversion:
50mm/ 2”
250mm/ 10”
350mm/ 14”
472mm/ 1 ft 6
37
/
64
“
600mm/ 24”
650mm/ 26”
709mm/ 2 ft 3
29
/
32
“