1 During the construction of a building or a project, a client requires a certain number of work supervisors, chowkidars, clerks, etc. Th eir salaries are paid from the amount of work-charged establishment provided in the estimate. Usually, 1 1/2 per cent to 2 per cent of the estimated cost is provided for this and is included in the estimate. Th e work-charged employees, or temporary staff, are employed for a specific period. Th eir services are terminated at the expiry of the sanction period. Fresh sanctions shall have to be taken from the competent authority in case their services are further required.