all of u happy independence day,we must try to help our nation for the development in the fields of culture industrial economical,social and environmental.this is our duty as a citizen.
Injury to workers during handling of materials. Hands or legs caught underneath loads.Burns ,electric shock during welding works and other hot works ,short cir cute & fire incide4nts. Collapse of cranes & other lifting equipments. Failiear of lifting tools & tackles. Eye injury due to falling particles during grinding,grit blasting & power brushing. Suffocation due to excessive smoke or dust during welding & blasting operations. Swinging of load and hitting on existing facilities during rigging operation in strong wind. Welders trapped underneath pipes during welding works -as support are moved. Back fire and explosion of compressed gasses during oxy -acetylene flame cutting. Hazards due to smoking in prohibited areas. Hazards due to bursting of pipe lines during hydro testing at high pressure range.
At road work zones protection is neccery against a number of risk And hazard including: Different type of collisions,involving traffic participants road workers and or work vehicles. Obstacles within the work area,such as trucks,materials and construction mechines. Other hazards within the work area such as removed surface or holes for the renewal of cables. Emergency situations , disabled vehicles or dealing with run off road incidents.
Shoring is the provision of support system for trench faces used to prevent movement of soil.,under ground utilities,road ways and foundations.Shoring is used when the location or depth of the cut makes,slopping back to the maximum allowable slope-impractical. Shoring system consist of posts, wale , straits and sheeting. Three basic type of shoring's are : Timber. Hydrolic. Pneumatic.
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