Abstract
The new replacement-in-kind policy, which relaxes INDOT’s standard backwater policy in certain circumstances, will be reviewed in this presentation. Included are the new Q500 determination policy for scour, which provides several ways to estimate the Q500 for new bridge designs; the hydraulic requirements for scour calculations on bridge rehabilitation, which provide a brief history of and requirements for the bridge rehabilitation scour calculations; and common errors in hydraulics reports, which covers mistakes and omissions frequently seen by the Hydraulics Office.
Session Number
19
Session Title
INDOT Hydraulics - New Policies Overview
Track Title
Drainage
Date of Version
March 2014
Recommended Citation
Weaver, Crystal, "Scour Requirements for Bridge Rehabilitations" (2014). Purdue Road School. 71.
https://docs.lib.purdue.edu/roadschool/2014/presentations/71
Start Date
3-11-2014 12:00 AM
Scour Requirements for Bridge Rehabilitations
The new replacement-in-kind policy, which relaxes INDOT’s standard backwater policy in certain circumstances, will be reviewed in this presentation. Included are the new Q500 determination policy for scour, which provides several ways to estimate the Q500 for new bridge designs; the hydraulic requirements for scour calculations on bridge rehabilitation, which provide a brief history of and requirements for the bridge rehabilitation scour calculations; and common errors in hydraulics reports, which covers mistakes and omissions frequently seen by the Hydraulics Office.
