New Cost To Construct Calculation Method

1. New Cost To Construct Calculation Method Rapid City, SD June 22- 24, 2010

2. CTC Process • Acquire Bid Tab(s) from local DOT • Acquire the Bid Tab(s) project length, roadway width, & surface thickness • Identify the route on a detailed map • Using the map and the classification worksheet, determine what the BIA class is for the representative bid tab(s) • Enter in the CTC worksheet all the bid items with unit and total costs • Classify each bid item into each of the four CTC categories • The CTC worksheet will then calculate the CTC for all ASC and class of roads • Print out the worksheets and submit the data with bid abstracts and other supporting documents to BIADOT

3. Sample Classification Analysis

4. Classification Flow Chart

5. BIA Class Definitions

6. Minimum Proposed Data Required • Project Bid Abstract • Project Length & Location • Roadway Typical finished width • BIA Classification of road • Project pavement thickness • Aggregate base or gravel surface thickness

7. Adequate Design Standards

8. Adequate Design Standards

9. CTC Analysis Worksheet