Shenzhen steel pipe (
Steel head and steel portal frame, steel pole cranes, etc. )
Shall not be over 35 kv high voltage line 4.
Within 5 meters and 1 to 10 kv high-voltage lines within 3 m lap.
Steel scaffolding and use process, carefully with a charged body contact.
In steel scaffolding construction of electric welding machine, concrete vibrator, etc should be kept in dry wood, and strict inspection through the scaffolding steel wires, to take safety precautions.
Electric welding machine, vibrator enclosure grounding or meet zero protection measures.
Construction work at night lighting wiring through steel scaffolding, should be no greater than 12 v low voltage power supply.
Steel scaffolding set-up and in use process, if you need by 380 v power supply cord or near the power cord, should be cut off or dismantled, distance of 2 meters, in the process of set-up and use the following measures should be taken to prevent the electric: insulation of wires and shenzhen steel pipe frame, and the parcel of wire and steel scaffolding and fixed on the insulation, in order to avoid friction.
Steel scaffolding can, the power cord and steel scaffolding vertical or near, should be at least 2 meters around the power cord within the scope of horizontal connection, offline steel scaffolding should be perpendicular to the ground;
The power cord and steel scaffolding parallel to each other, should every 25 meters level connection Duan Gang scaffolding, repeat a connection.
In the wild and erection of steel scaffolding on the hillside, and steel headframe, single lever hoist steel portal frame, steel and other vertical transportation, lightning protection device shall be set up in lightning areas or thunderstorm season.
1 the lightning rod can be used 25 ~ 32 mm in diameter, wall thickness is not less than 3 mm galvanized steel pipe or galvanized steel not less than 12 mm in diameter.
2 in the vertical transportation rack installation of lightning rod, rod should be higher than the top in the side of the derrick not less than 2 meters, and set in the lower poling grounding line, hoist shell should be grounded at the same time.
3 grounding line and grounding pole can be in accordance with relevant provisions set.
4 construction process in case of a lightning strike or thunderstorm winds, shenzhen steel frame construction personnel should leave immediately.
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