annual rate contract for expert supervisory services for overhauling / maintenance of m / s burckhardt compression ( india ) pvt. ltd. make reciprocating compressors installed at panipat naphtha cracker---1 arc for expert services of burckhardt 2 hiring of service engineer for working of 8 hrs (working time between 09:00 - 06:00) unit day means working for 8 hrs (monday-saturday) 3 extra working time charges(monday to saturday)per hours shall be paid for working beyond 8 hrs (working time from 06:00 to 20:00) 4 overtime charges (monday-saturday) per hours shall be paid for working beyond 8 hrs(working time from 20:00-06:00) 5 working on sunday/public holiday(working time 00:00-24:00) (charges on hr basis) 6 hourly charges for hiring of service engineer on remote basis (working time between 09:00 - 06:00) (monday-saturday) 7 hourly charges for hiring of service engineer on remote basis (working time between 09:00 - 06:00) (sunday/public holiday)