annual maintenance estimate phe sdivn . no . 3 , gohana-contract for outsourcing of services for unskilled semiskilled job work for various rural ws schemes i . e . ahulana , madina , bhanderi , khelpa and chhapra ( for 9 months from the date of commencement ) , job works for providing services for unskilled / semi-skilled job work for operation of pumping machinery and distribution of water supply pipeline in various villages including watch and ward of various water works including boosting stations ( minimum 4 persons engaged for job work each month ) ( 4 nos . x 9 months= 36 nos . ) , job work for providing services for unskilled / semi-skilled job work for operation of pumping machinery i . e . installed at tubewells , boosters etc . and watch & ward for part time as per requirement any installation ( minimum 9 persons engaged part time for job work each month ) ( 9 nos . x 9 months = 81 nos . )