Anchor: #FRHLKENL

Manual Notice: 2011-1

From: Mark A. Marek, P.E.

Manual: Hydraulic Design Manual

Effective Date: October 01, 2011

Anchor: #SGLFHLNF

Purpose

This manual provides guidance and recommended procedures for the design of Texas Department of Transportation drainage facilities. This revision reorganizes and updates the manual content to reflect current policies and to incorporate recent research in the field of hydrology and hydraulics. It also updates examples, streamlines the organization of the manual, and corrects minor errors.

Anchor: #MMGEKHLG

Contents

The first 5 chapters are completely new chapters. Chapters 6 through 14 are existing chapters in which information has been updated or rearranged, and irrelevant material has been removed. Changes to Chapters 6, 7 and 14 are relatively minor.

Chapter 1 - Manual Introduction

Chapter 2 - Hydraulic Practices and Governing Law

    Anchor: #OHMFFFGH
  • Lists the various federal and state laws, regulations, and agencies to be considered in hydraulic design
  • Anchor: #FFNIJGEI
  • Provides definitions of policy, standards, and other items, as well as details of the roles and responsibilities in hydraulic design
  • Anchor: #FGNEJFHI
  • Provides guidance for responding to drainage complaints, connection to TxDOT structures, and dams.

Chapter 3 - Processes and Procedures in TxDOT Hydrologic and Hydraulic Activities

    Anchor: #MIMELMIE
  • Provides guidance on the scope of hydraulic activities, evaluation of risk in hydraulic design, and design activities by project phase from initial planning through PS&E development
  • Anchor: #EGJNFHMI
  • Provides guidance on hydraulic documentation and deliverables, including a comprehensive table of the data or documentation, the stage at which it's needed, and where the data is to be stored
  • Anchor: #GNQMHGLH
  • Section on Risk has been moved from Chapter 9 (Bridges) to apply to all designs, not just bridges.

Chapter 4 - Hydrology

    Anchor: #KNPLGHKH
  • Contains new information and procedures based on recent research
  • Anchor: #ENENIKJI
  • The existing information has been reorganized, outdated information has been removed, and references have been updated.

Chapter 5 - NFIP Design of Floodplain Encroachments and Cross Drainage Structures

    Anchor: #KJLNIGJJ
  • Provides a description of the National Flood Insurance Program (NFIP), definitions, guidance on TxDOT's responsibility under the NFIP, and detailed procedures for hydraulic designers.

Chapter 6 - Hydraulic Principles

    Anchor: #HTLEHMFJ
  • Provides an expanded definition of Froude Number with a discussion on its meaning and importance.

Chapter 7 - Channels

Chapter 8 - Culverts

    Anchor: #JTHLKHGM
  • The chapter has been reformatted to improve reader's comprehension
  • Anchor: #GFNGKHEN
  • Information has been corrected, updated, new information added, and supplementary information has been removed.

Chapter 9 - Bridges

    Anchor: #EJFHNGMG
  • The chapter has been reformatted to improve reader's comprehension
  • Anchor: #NJELHGGH
  • Information has been corrected, updated, new information added, and supplementary information has been removed
  • Anchor: #MQNLHLGN
  • Bridge scour section has been removed and inserted in the Bridge Division Geotechnical Manual. The Geotechnical section is the OPR for bridge scour
  • Anchor: #FLRJEJHM
  • Moved section on Risk to Chapter 3 to apply to all designs, not just bridges.

Chapter 10 - Storm Drains

This chapter has not been altered at this time. It will be addressed in the next revision.

Chapter 11 - Pump Stations

Chapter 12 - Reservoirs

    Anchor: #FKNFJHNL
  • The chapter has been reformatted to improve reader's comprehension
  • Anchor: #UJLHJHGN
  • Information has been corrected, updated, new information added, and supplementary information has been removed.

Chapter 13 - Storm Water Management

    Anchor: #MGKMIGFE
  • The chapter has been reformatted to improve reader's comprehension
  • Anchor: #JLIHILKF
  • Information has been corrected, updated, some new information added, and supplementary information has been removed
  • Anchor: #IIIJLMLM
  • Further revision is anticipated because of pending environmental regulations and the implementation of a TxDOT-wide EMS program.

Chapter 14 - Conduit Strength and Durability

    Anchor: #FEGGFJMG
  • This chapter has been removed from this manual; questions regarding this subject can be addressed by the Bridge Division.
Anchor: #LFOHNFGN

Contact

Address questions concerning the information contained in this manual to the Roadway Design Section in the Design Division.

Anchor: #GNIEJJNN

Copyright Notice

This Hydraulic Design Manual and all future revisions: Copyright ©2011 by Texas Department of Transportation (TxDOT). Published by the Design Division (DES). All rights reserved.

Anchor: #PHMIENKI

Archives

Past manual notices are available in a PDF archive.

Previous page  Next page   Title page