... engineer's estimate for a project involving 14 miles of Interstate 70 roadway in Utah was $20,950,859. Bids were submitted on March 10, 1987, for completing the project within 320 working ... prices for different items of work submitted for this project by (1) Ball, Ball & Brosame, Inc. and (2) National Projects, Inc. are shown in Table 5-2. The similarity of their unit prices for ... 5.3 to 5.6) 3. Adjust for inflation index 4. Adjust for local index of construction costs 5. Adjust for different regulatory constraints 6. Adjust for local factors for the new facility Some...