4
4
0
Ø
1
9
0
0
250
100
250
100
250
2
0
0
2
5
0
1
5
0
2
5
0
2
0
0
3
0
0
M10 x 130mm
threaded rod
anchor resin fixed
into Ø12mm hole
Ø120mm x 6mm
S/S base plate
welded to leg
125
M10 S/S
cap nut
Foundation -
250x250x300mm
in C20 concrete
(recommended)
Installation Instructions
ALL INSTALLATION WORKS TO BE CARRIED OUT BY COMPETENT PERSONNEL - INSTALL AS COMPLETE UNIT
Oh Bench
1. Install suitable foundation pads (see illustration) each with top face at
ground level
2. Postion bench halves around tree or column and bolt frames together
with 8 no. M8 x 20mm button head bolts and lock nuts
(supplied)
3. Position bench in correct orientation with frame centred on tree / column;
then mark hole positions through base plates onto foundation pads
4. Move the bench and drill holes Ø12mm x 125mm deep
5. Clear debris from holes
6. Fill the holes to within approximately 35mm from the top with Hilti HY150
resin (or similar). Lift the bench (placing threaded anchor rods/capnuts in
place) and carefully lower the anchors into the holes, leave for two hours
before continuing
7. Using a torque wrench, tighten nuts and washers over base plates to 30Nm
to fasten down the bench
8. Check bench level
IMPORTANT NOTE:
Ensure that stainless steel is protected during site cutting of stone – contamination from disc cutters will
produce corrosion on stainless steel components.
4
OH BENCH
installation
