Step 4: Attaching T-pieces to load-bearing arches
Connect the components prepared in Step 3 to the load-bearing arches turning the wheels inside of the
arch. Secure them with cotter pins (L, see Fig. 5). The joints have to face the opposite side than the single-
end bracket tube (I), installed in the centre of arch length inside of the half-circle. (It can be provisionally
rotated around the tube.)
For the extended oval structure assembly the third arch with T-pieces without joints.
Fig. 5
Step 5 Connection the arches to form the load-bearing structure
Assembly three longitudinal connecting tubes (6 pcs for the extended oval roofing), each using one tube
∅
40
mm
(C), two couplings (K) and two cotter pins (L) (See Fig. 6)
Fig 6
Fix the connecting tubes to the arch and secure them with cotter pins (Fig. 7, upper detail). The plastic part of
the anchor has to be placed onto the lower connecting tubes between the cotter pins (Fig. 7, lower detail)
OVAL
5/17
C – Longitudinal tube
∅
∅
∅
∅
40 mm
K – Coupling
L – Cotter pin
