User's Guide for Writing Bench Mark Descriptions

By National Oceanic and Atmospheric Administration

Book Id: WPLBN0000695194
Format Type: PDF eBook
File Size: 131.79 KB.
Reproduction Date: 2005

Title:	User's Guide for Writing Bench Mark Descriptions
Author:	National Oceanic and Atmospheric Administration
Volume:
Language:	English
Subject:	Science., Ecology & environment, National Oceanic and Atmospheric Administration (U.S.)
Collections:	National Oceanographic Data Center
Historic Publication Date:
Publisher:	Government Reference Publication


Citation APA MLA Chicago And Atmospheric Administration, N. O. (n.d.). User's Guide for Writing Bench Mark Descriptions. Retrieved from http://www.gutenberg.us/

Excerpt
Background: This document provides specifications for writing the descriptive text used 1) to locate a water level station site (TO REACH statement), 2) to recover an individual bench mark, and 3) to write bench mark descriptions as needed for CO-OPS? Published Bench Mark sheet. In general, tidal bench mark descriptions shall be written in accordance with the guidance provided in this document, while Great Lakes bench mark descriptions follow the NGS Bluebook specifications exactly. Refer to User?s Guide for Writing Bench Mark Descriptions for Electronic Levels, updated January 2003, if electronic levels are used for installing, connecting, or recovering bench marks. The bench mark text descriptions shall be provided to the Requirements and Development Division of the Center for Operational Oceanographic Products and Services in digital format (WordPerfect or equivalent) for optical levels, and as a paper copy for documenting records in station files. The TO REACH statement shall be provided with filename as a seven digit station number and a three digit extension as TOR.

Table of Contents
TABLE OF CONTENTS BACKGROUND . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Page 1 GENERAL INFORMATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Page 1 Consistent Referencing Procedures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Page 1 Measuring New Distances . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Page 2 Conversions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Page 2 New Measurements: Original measurements in Metric units . . . . . . . . . . . Page 3 Historic (old) Measurements: Original measurements in English units . . . Page 3 TO REACH STATEMENT TEXT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Page 4 Directions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Page 4 Landmark . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Page 4 TO REACH Statement Format . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Page 4 BENCH MARKS DESCRIPTION TEXT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Page 5 Part (1 A): Marker type . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Page 6 Part (1 B): Setting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Page 6 Part (1 C): General Locator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Page 7 Part (2): Taped Measurements and Compass Directions . . . . . . . . . . . . . . . . . . . . Page 7 Part (3): Vertical Reference . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Page 8 BENCH MARK DESCRIPTION EXAMPLES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Page 10 APPENDIX A . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Page A-1