6. Safety at work of pouring concrete for column, wall beam, floor:- Checking the system that anchors support for frames it shall be guaranteed to be stable and safe in supporting force- Checking tools, equipment, machine to pour concrete, checking measures t pour concrete- Development of working floor, safety rail, ladders going up and down column and beam- Checking temporary electrical power, penetrating vibrator shall operate well and safe.- In the case of pouring concrete at night shall install lighting guaranteed sufficient lighting at the work area- Immediately clean the floor at the positions that already had concrete poured.❖ Checking safety standard of crane tower at time of pouring concrete- Cranes shall be controlled, ground connection, prevention of lightning (following standard of electrical safety)- The person who operates crane shall have license He was trained on working safety on operation of crane and has document transferring duty to use crane- Shall seriously follow regulations on safe operation of crane tower- Shall check cable, chain, bucket used in pouring concrete and the way to tie bucket❖ Checking safety standard of vertical movement transportation tools:- Shall be controlled, have ground connection, anti lightning (following standard of electrical safety)- The person who uses vertical transportation tools shall have passed training on safety of operation of vertical transportation tools.- Shall follow strictly all regulations on operation safety of vertical movement transportation tools.❖ In the case of pouring concrete at the work site shall pay attention to matters as follows:- Only workers who passed training on using and on Working Safety have the right to operate mixing machine.- Mixing machine that use electrical power shall have ground connection, protective power connection.- Mixing machine that is installing on high shall be fixed stationary firmly on a supportive strong floor foundation.- The worker who operates concrete mixing machine shall use sufficiently protective means needed.- Only clean pit to install material supply bucket when the bucket is up high and fixed firmly, it is not allowed that worker stand under elevator bucket.- When the mixing drum is operating or in process of repair shall lower the bucket down at safe level.- It is not allowed to repair error failure of mixing machine when machine is operating- It is not allowed to use shovel or hand tool to get concrete when in turning even though it is slow rotation.- Only clean when power is switched off and machine is stopped. The switch shall be inside a box locked, in repair or in cleaning shall hang table or sign of warning.
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