1) Fix the metal pipes P7 and P8 with fitting C and E;
2) Fix the assembled metal pipe P7 assembly on the metal frame P1 and P2 with
fitting B and D;
3) Fix the assembled metal pipe P8 assembly on the metal frame P2 and P3 with
fitting B and D.
STEP 5:
6
Install a fall preventer.
STEP 6:
