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3
Level the edge of the circle, from the turf remo
val line up to 30 cm (12") within the circle.
Vou may use an optical or a laser level.
Carefully pack the soil using a tamper tool or
vibrating plate (See illustration 4.1 and 4.2),
especially on those areas where a lot of soil was
added.
lt is also highly recommended to firm up the
edge by adding a 2 cm (3/4") layer of stone dust
(or sand).
The center of the circle can then be excavated
to the desired depth (optional), not to exceed
15 cm (6") for a standard liner (See Illustration
4.3).
Illustration 4.1
-
•---
---
Illu str atio n 4.3
�
,J
,-::::..:: - -=..: - - :..:.. - .:.: - - :..:_ - - ::..: - � -
-�! :
A
- ------------ B --------------+,
SITE LEVELING
Illustration 4.2
-
- -- -
TURF REMOVAL DIAMETER
WALL DIAMETER
- = -
Remove any stone, piece of wood or other de
bris from within the circle. Flatten any protru
sion and pack soil tightly.
Cover with a thin
compacting sand in order to protect the liner.
Make sure you place a sufficient quantity of
sand for the base finishing, inside the circle.
(See step 8)
15 cm (6")
[ Î : - �
--
--
--
30cm
(12")
TURF
REM0VAL
DIAMETER
2 cm (3/4") layer of
,
. . .
�: � �;
��- w
---.---i� A
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