CRANES FOR THERMAL POWER STATIONS#5

Beside Steam Generator , CHP ( Coal Handling Plant) and ESP requirement of High Capacity is not there. In AHP ( Ash Handling Plant ) one 75MT crane will do. However for all other mechanical Package Hydra and crane up to 50 MT crawler will be required extensively. For material transportation sometimes 75MT may be required to unload and reload to trailer. Otherwise all other places small crane will suffice the requirement.

Next main area where High capacity cranes were required is civil and structural .: High capacity crane like 250MT -02 nos and 120MT/150 MT -02 nos and  and 75MT -04 Nos will be required. 

Sometimes one or two 75 MT cranes were changed to drilling ( piling) rig with some attachment. The 

cranes are required  to erect PH ( Power House) structure , Roof structure , Structure of Dearetor floor , Mill Bay structure where coal bunker has been kept. 

The above requirement concludes the high capacity crane need for  the project. Two things may be kept in mind . The above requirement is minimum and we assume that material will flow regularly from manufacturing unit or from fabrication yard. Optimisation can be done during actual use. Other 

aspect is use of the crane . The crane should not be kept idle at any point of time then we will loose productivity and depreciation of the crane will be loaded to project account. 

In india mostly high capacity cranes were mobilised by main contractor who are supplier of the equipment. In some cases Customer keeps in their control and distribute crane as per requirement.

This will help them to mobilise less crane and distribute effectively.However this distribution is done 

effectively so that sharing of cranes between the parties become less disputable. This type approach

is taken only one or two companies who are either rich with crane or they have cranes at their beck and call. Only private operator can do such thing and take benefit.

A study was made by CEA ( Central Electricity Authority) and showed that we do not have requiste number of High capacity crane at our disposal to be deployed during erection and commissioning in spite of our open econimics. As our target is fixed CEA is in a position to forecast the deficiency.

In India we have crane manufacturer who are producing up to 100 MT crane successfully but not beyond that . Cranes are to be brought from developing country either new or on Hire. However after

chinese stepped into the situation some how ease down. As there are number of manufacturer in CHina and cost wise also very competitive Indian companies are getting those crane from China.

From next day onwards we will discuss some other type of cranes which are Generally seen at thermal power plant.

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