Hiring A Demolition Hammer With A Skilled Operator For Chipping, Breaking, And Dismantling Concrete And Masonry, Including Removal Of Hard Strata, Damaged Rcc, Excess Concrete And Obstructions To Facilitate Smooth And Timely Execution Of Drain, Foundation And Other Civil Works At 1×660 Mw Sgtpp U#5 Extension Project, Bhel-Sagardighi.