ArunRavi43

arun ravi arun supplimentary estimate revised estimate abstract of estimate cost details of measurement detailed estimate approximate quantity method cubic rate estimate plinth area estimate abstract estimate approximate estimate perliminary estimate types of estimates technical sanction expenditure sanction financial sanction administrative sanction sanctions estimating & costing malayalam class (part 2) centage charges t&p plants tools work charge establishment contingencies external services project qs quantity surveying plinth area contract rent fixing technical terms purpose of estimate estimate estimating costing bearings ncvt ppt iti compass survey