tender for outsourced services for housekeeping services , house keeping services , administrative charge %age note: 1 . the service charges will be based upon the % basis upon th total basi wages only that is to be paid to the manpower . the % of adminstrative service charge will not be changed during the period of the contract or its subsequent extenstion ( if applicable ) 2 . it is also informed that the department of finance , govt . of punjab , decided that maximum service charge paid to the service provider / contractor shall in no case be more than 2 . 5% of the amount of contract , monthly cost of material / consumables required for house keeping services