1.1 This practice guides the user in selection of procedures commonly used to measure depth in water bodies that are as follows:
| Sections | |
| Procedure A-Manual Measurement | 6 through 11 |
| Procedure B-Electronic Sonic-Echo Sounding | 12 through 13 |
| Procedure C-Electronic Nonacoustic Measurement | 14 through 15 |
The text specifies depth measuring terminology, describes measurement of depth by manual and electronic equipment, outlines specific uses of electronic sounders, and describes an electronic procedure for depth measurement other than using sonar.
1.2 The references cited and listed at the end of this practice contain information that may help in the design of a high quality measurement program.
1.3 The information provided on depth measurement is descriptive in nature and not intended to endorse any particular item of manufactured equipment or procedure.
1.4 This practice pertains to depth measurement in quiescent or low-velocity flow. For depth measurement related to stream gaging see Test Method D 3858. For depth measurements related to reservoir surveys see Guide D 4581.
1.5 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.
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