9.1. Insert the bolt (DD) into the hole of the Center Connector (D1)
with Nut (NN), See Fig 9.1,
9.2.Connect the Upper Beam (B2) and the Center Connector (D1) with bolts (AA), and connect the
Upper Beam (B1) and the Arched Beam (I1/I2/J1/J2/R) with bolts (AA). See Fig 9.2- 9.3.
AAx40
DDx10
A1
A3
A3
A2
B1
B2
B1
B1
I1
J1
R
J2
I2
D1
D1
D1
B1
I1/I2/J1/J2/R
E
AA
AA
DD
DD
Step9
Fig9.2
Fig9.1
Fig9.3
B2
NN
NNx10
18