RAP Incentive System

1. RAP Incentive System Robert C. Rea, P.E. Materials and Research robert.rea@nebraska.gov

2. History How it works Post Consumer Recycle Content Label RAP Incentive System

3. RAP Reclaimed Asphalt Pavement • Millings from the roadway • 5 % Binder (Oil) • 95 % Aggregate

4. 1 Ton of RAP • 5 % Binder (Oil) • $35/ton • 95 % Aggregate • $14/ton ____________________ $49/ton material value 5% 95%

5. Driving factors Millings stockpiles scattered around the state as many as 75 large stockpiles and hundreds of ‘sites’ some called ‘mountians of millings’ Couldn’t store any more 2008 Polymer and Binder shortage, binder cost doubled

6. Average RAP Content What Changed? 27.3% RAP RAP Incentive 6.9% RAP

7. Binder Savings Incentive How Does it Work ? % Incentive To ContractorTo NDOT 15 % 85 % 1 - 65 % 35 % 2 - 50 % 50 % 3 -

8. Example from Contract Perspective Binder $650/Ton Paid as a separate item Mix Design Binder 5.4% RAP from project 5.4% Binder Aggregates $15/Ton Production Costs $25/Ton

9. Cost Components

10. Cost Components

11. Cost Components

12. Cost Components

13. Average RAP Contents 39.4% 38.9% 39.2% 38.8% 37.3% 34.4% 28.6% 27.3% 6.9%

14. Annual Savings from RAP Optimization 46.3M 45.7M 43.6M 41.7M 35.3M 31.9M 23.3M 19.8M 3.6M

15. 2008 – 2018 Recycled Savings 7,000,000 Tons of Aggregate 400,000 Tons of Binder Crude Oil $400,000,000 savings in material costs

16. Post Consumer Content Label Began using in 2014 In plan sets and Annual Report Show NDOT’s commitment to recycling and environmental stewardship Based on quantities of Asphalt and Concrete and calculated recycled contents

17. Post Consumer Content Label

18. Post Consumer Content Label

19. Post Consumer Content Label

21. NDOT Annual Report

22. Thank You ! Questions ?