1. Where do they get the bid announcements? (advertisement for bids / Invitations to bid) 2. What is the procedure for the modifications to the contract? 3. Do they do approximate and/or detailed estimation? How? 4. How do they do a lump-sum and unit price estimation for this project at the time of bidding? 5. Their separate strategies and procedures to determine costs including materials, labors, equipment, indirect and overhead costs. 6. Where did they get the prices of materials when they bided on this project? 7. How do they consider the allowances in their price? 8. How do they determine the direct and indirect labor costs? 9. How do they determine their ownership, and operating costs and production rates for their equipment? How do they consider these costs in the estimate preparation? 10. How do they include a received quote from a subcontractor in their proposal? 11. Do they have a list of subs? Do they negotiate the price with the subs? 12. Do they unbalance their bids? How? 1. Where do they get the bid announcements? (advertisement for bids / Invitations to bid) 2. What is the procedure for the modifications to the contract? 3. Do they do approximate and/or detailed estimation? How? 4. How do they do a lump-sum and unit price estimation for this project at the time of bidding? 5. Their separate strategies and procedures to determine costs including materials, labors, equipment, indirect and overhead costs. 6. Where did they get the prices of materials when they bided on this project? 7. How do they consider the allowances in their price? 8. How do they determine the direct and indirect labor costs? 9. How do they determine their ownership, and operating costs and production rates for their equipment? How do they consider these costs in the estimate preparation? 10. How do they include a received quote from a subcontractor in their proposal? 11. Do they have a list of subs? Do they negotiate the price with the subs? 12. Do they unbalance their bids? How