Chapter 1: Introduction
Anchor: #i1000206Section 1: Overview
Anchor: #i1000211Summary
The TxDOT GPS User’s Manual is referred to as the GPS User’s Manual through all chapters of this manual. The GPS User’s Manual contains information that governs the operational standards used by Texas Department of Transportation (TxDOT). These standards are the policies and guidelines set forth by TxDOT regarding Global Positioning Systems (GPS) processes and procedures.
Section 2 of this chapter presents all chapter descriptions.
The GPS User’s Manual is primarily intended to be accessed online. The online version takes precedence over printed copies, changes, updates and edits. However, paper copies may be used in the field. Copies should be checked for currency date. Caution should be taken not to rely on the printed version due to ongoing updates and/or changes.
The information within this manual is governed by the laws and standards of information security. Please refer to the Information Security Manual for specific security information.
Anchor: #i1000245Documentation of Authority
The following documents authorize the TxDOT GPS User’s Manual and the activities it covers:
- TxDOT Directive 5-92, TxDOT Manual System
- Executive Order 1-89, Policy and Procedures Communication
- TxDOT Policy Statement 2-96, Information Security
Laws and Standards
The GPS User’s Manual provides the information that TxDOT GPS and survey resource users need to comply with applicable legal and policy requirements. Based on federal and state laws, state standards and agency policy, this manual draws upon the following:
- Texas Government Code, Section 2203.004, Requirement to Use State Property for State Purposes
- Texas Government Code, Section 403.275, Liability for Property Loss
Purpose of the TxDOT GPS User’s Manual
This manual is intended for use by TxDOT surveyors as well as consultants. This manual was developed to provide TxDOT employees and contractors with the concepts, policies, standards, procedures, and practices that govern Global Positioning System (GPS) functions. It is not the intention of this manual to document all technical procedures used within the department.
Anchor: #i1000309Scope
This manual provides guidance to the surveyor in the use of GPS technology to perform densification surveys at the state and district level down to small-scale mapping projects. It sets out the criteria and specifications for TxDOT and consultant surveyors to follow.
Anchor: #i1000321Organization of Chapters
Chapters 2-8 are similar in organization and address a general aspect of GPS surveying and related information. Each chapter has:
- a chapter overview
- numbered sections for major topics
- unnumbered subsections describing concepts and policies relevant to the section topic.
Some chapters also contain procedures with step-by-step directions for successfully completing tasks related to the section topic.
Subsequent sections are numbered sequentially within each chapter and contain related information associated with the chapter topic. Each chapter is titled to describe its content.
Subsections contain detailed information that describes concepts, policies, standards, and procedures related to the section topic. Concepts and policies a user needs to know to successfully complete a procedure are presented before the procedure, and procedures are presented in tables with step-by-step (step/action) directions for completing a task.
This manual is designed to be published and accessed electronically. The manual is divided into an introductory chapter and chapters that address specific GPS topics.
|
Element |
Purpose |
|---|---|
|
Chapter 1 |
Identifies and provides manual information and organization. Additionally, it identifies the authorities, laws, and standards that govern the manual. |
|
Chapters 2 – 8 |
Provide TxDOT GPS policies and procedures |
|
Appendix A |
References |
|
Appendix B |
Glossary |