kiransreekumar6

civil engineering quantity surveying estimation costing cpwd detailed estimate schedule of rates rate analysis pwd analysis of rates kerala pwd plastering formwork masonry concreting brickwork earthwork gst dsr approximate estimate dar plinth area rate cpwd specifications cost index extreme event rainfall climate change pacific rossby waves kelvin waves 2019 2018 moisture convergence convection tropical waves flood kerala monsoon mid section lift lead haul long wall short wall centreline method is 1200 finishing levies