Inclined ladEL+20700der (install from down to up) below –plane at EL+11200—plane at EL+12900—plane EL+15200—plane at EL+17700 (combined with equipment installation)-- plane at EL+20700 (combined with equipment installation)—steel structure above EL+20700.

Assembling units on the ground—lifting assembling units--installation of connecting beam-- installation of inclined ladder--installation of platform from down to up.（EL+25800、EL+30500、EL+34000、EL+36700.）

Adopt suspended basket type scaffold, see Item2.3 c, or build scaffold from down to up directly.

Building type of temporary inclined ladder

The steel structure is installed from down to up with ladder first and then platform. If no formal ladder is furnished on the structure, temporary inclined ladder will be installed during the duration of working on the high platform of scaffolding tube. The type is as follows：

Protective measures on products during the duration of building scaffolds

The position on the beam where scaffolds are tied will be protected by gunny cloth in order to protect the coat on the steel scaffold tube and steel column.