Percussion Play Ground Works Stepping Stone Manual

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Ground Works Stepping Stone

Excavate hole below finished installation level

Ground Fixed

(including surfacing) with dimensions of 640mm x

640mm x 345mm.

Stepping Stone

1 of 5

To prevent flooding the foundations should be

connected to a rainwater drainage system such as a

storm drain or soakaway.

Install drainage inlet centrally in excavated area

145mm from finished ground level. This will allow for a

slight fall in the concrete pad to encourage water run-

off.

Metric Conversion:

100mm

145mm

45/64"

245mm

41/64"

345mm

37/64"

640mm

13/64"

Lay a level compacted 100mm granular sub-base over a

geo-textile. This will help to spread the load of the

concrete installation pad.

BS EN 1176

345mm

145mm

245mm

100mm

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Page 1 Ground Works Stepping Stone Excavate hole below finished installation level Ground Fixed (including surfacing) with dimensions of 640mm x 640mm x 345mm. Stepping Stone 345mm 1 of 5 To prevent flooding the foundations should be connected to a rainwater drainage system such as a storm drain or soakaway.
Page 2 Ground Works Stepping Stone 5. Create timber shuttering on top of compacted sub-base with an internal area of 600mm x ~849mm 600mm x 100mm. Note – finished height to top of shuttering • 100mm should be 145mm below finished Ground Fixed installation level (including surfacing).
Page 3 Ground Works Stepping Stone 9. We recommend allowing concrete to cure for a minimum of 1 week prior to installing Stepping Stone. 10. Once Pad is cured, the exposed studs can be cut down so only 15mm is protruding above the concrete pads...
Page 4 Ground Works Stepping Stone 12. Locate the surround casing over the body and secure in place with 12 screws provided Ground Fixed Stepping Stone 4 of 5 BS EN 1176...
Page 5 Ground Works Stepping Stone 13. Backfill up to the surround casing to desired level for surfacing. Finished height of instrument from concrete pad is 145mm ( 45/64”) Ground Fixed Stepping Stone 5 of 5 BS EN 1176...