Debitable agency use in contract system

Debitable agency use in contract system
1. Check work order given date
2. send the mail to start the work if not started the work given date give three days time
If the contracter materials lying in site use it
calculate the labour rate PLUS 20% SUPERVISION CHARGES AND 20% MATERIALS HANDLING CHARGES ARRIVE THE RATE PER SFT OR LUMP SUM AND DEBIT IT
AND SIGNED WITH SITE REPRESENTIVE OF THAT WORK