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ASTM-F1321:2004 Edition

ASTM-F1321:2004 Edition

$58.50

F1321-92(2004) Standard Guide for Conducting a Stability Test (Lightweight Survey and Inclining Experiment) to Determine the Light Ship Displacement and Centers of Gravity of a Vessel

Published By Publication Date Number of Pages
ASTM 2004 29
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ASTM F1321-92-Reapproved2004

Historical Standard: Standard Guide for Conducting a Stability Test (Lightweight Survey and Inclining Experiment) to Determine the Light Ship Displacement and Centers of Gravity of a Vessel

ASTM F1321

Scope

1.1 This guide covers the determination of a vessel’s light ship characteristics. The stability test can be considered to be two separate tasks; the lightweight survey and the inclining experiment. The stability test is required for most vessels upon their completion and after major conversions. It is normally conducted inshore in calm weather conditions and usually requires the vessel be taken out of service to prepare for and conduct the stability test. The three light ship characteristics determined from the stability test for conventional (symmetrical) ships are displacement (“displ“), longitudinal center of gravity (“LCG“), and the vertical center of gravity (“KG“). The transverse center of gravity (“TCG“) may also be determined for mobile offshore drilling units (MODUs) and other vessels which are asymmetrical about the centerline or whose internal arrangement or outfitting is such that an inherent list may develop from off-center weight. Because of their nature, other special considerations not specifically addressed in this guide may be necessary for some MODUs.

1.2 This standard does not purport to address 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.

Keywords

stability test; lightweight survey; inclining experiment; light ship displacement; center of gravity; vessel

ICS Code

ICS Number Code 47.020.01 (General standards related to shipbuilding and marine structures)

DOI: 10.1520/F1321-92R04

PDF Catalog

PDF Pages PDF Title
1 Scope
Terminology
2 Significance and Use
Theory
FIG. 1
FIG. 2
3 FIG. 3
FIG. 4
FIG. 5
FIG. 6
4 Preparations for the Stability Test
FIG. 7
FIG. 8
FIG. 9
5 FIG. 10
FIG. 11
6 FIG. 12
FIG. 13
7 TABLE 14
FIG. 14
FIG. 15
8 Plans and Equipment Required
Procedure
9 TABLE 1
10 FIG. 16
FIG. 17
11 Report
Precision and Bias
FIG. 18
12 A1. TO RECEIVE UNITED STATES COAST GUARD APPROVAL OF THE STABILITY TEST ON COMMERCIAL VESSELS THE FOLLOWING ADDITIONAL REQUIREMENTS SHOULD BE FOLLOWED (In Amplification of the Regulations)
A1.1
A1.2
A1.3
A1.4
A1.5
A1.6
A1.7
A1.8
A1.9
A1.10
A1.11
A1.12
13 A2. FOR STABILITY TESTS ON UNITED STATES NAVY (USN) VESSELS THE FOLLOWING ADDITIONAL REQUIREMENTS APPLY
A2.1
A2.2
A2.3
A2.4
A2.5
A2.6
A2.7
A2.8
A2.9
A2.10
14 A3. CONVERSION TABLES FOR LIQUIDS
A3.1
FIG. A2.1
TABLE A3.1
15 X1. STABILITY TEST CHECK LIST
X1.1
X1.2
TABLE A3.2
16 X1.3
X1.4
X1.5
17 X2. SAMPLE DATA SHEETS
X2.1
FIG. X2.1
18 FIG. X2.2
19 FIG. X2.3
20 FIG. X2.4
21 FIG. X2.5
22 FIG. X2.6
FIG. X2.7
23 X3. STABILITY TEST DATA
X3.1
FIG. X3.1
FIG. X3.2
24 FIG. X3.3
25 FIG. X3.4
FIG. X3.5
26 FIG. X3.6
FIG. X3.7
27 FIG. X3.8
28 FIG. X3.9
FIG. X3.10

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