ENVIRONMENTAL SITE ASSESSMENT & THE PROJECT DEVELOPMENT PROCESS

ESA Project Initiation Project Path 1Path 2Path 3Path 4Path 5 ESA Project Initiation Package Preliminary Engineering, Task 1.2.C.C, if necessary Preliminary Engineering, Task 1.2.C.C Preliminary Engineering, Task 1.2.C.C

No ROW ESA Screening Path 1Path 2Path 3Path 4Path 5 No ROW ESA Screening Step 1 - For Engineering, Task 2.2.D - For projects with no ROW, but deep excavation, petroleum contamination only Preliminary Engineering, Task 2.2.D - For projects with no ROW, but deep excavation, petroleum contamination only N/A

ESA Screening Path 1Path 2Path 3Path 4Path 5 ESA Screening Preliminary Engineering, Task1.2.C.C, if necessary Preliminary Engineering, Task1.2.C.C

Phase I ESA Path 1Path 2Path 3Path 4Path 5 Phase I ESAN/AEnvironmental Engineering, Task 3.1.D – conducted on preferred alternative Environmental Engineering, Task 3.1.D – conducted on Feasible Alternative(s)

Phase II ESA Work Plan Path 1Path 2Path 3Path 4Path 5 Phase II ESA Work Plan N/A Environmental Engineering, Task 3.1.Q – Conducted on Preferred Alternative

Phase II ESA Path 1Path 2Path 3Path 4Path 5 Phase II ESAN/AEnvironmental Engineering, Task 3.1.Q – Conducted on Preferred Alternative

ODOT’S STEPPED ESA PROCESS

Path 1 Projects

Path 2 & 3 Projects

Paths 4 & 5