BS 7550-2:1993
Current
The latest, up-to-date edition.
Calibration of spherical tanks for refrigerated light-hydrocarbon fluids in ships Triangulation method
Hardcopy , PDF
English
15-05-1993
Committees responsible
National foreword
Method
1. Scope
2. Normative references
3. Definitions
4. Precautions during measurement
5. Equipment
6. Preparation
7. Measurement
8. Coordinate system
9. Calculation
10. Data processing
11. Calculation procedure
12. Calibration table
Annexes
A. (informative) Safety precautions
B. (informative) Calibration uncertainty
C. (informative) Example of main gauge table at
-160 deg C
D. (informative) Example of trim correction table
E. (informative) Example of list correction table
F. (informative) Example of correction table for
tank shell expansion or contraction
Figures
1. Example of marking
2. Set-up of instruments for determining the height
of the base point
3. Location of benchmarks and target
4. Example of shoe arrangement for platform
5. Setting of subtense bar
6. Measurements with the theodolite on point A
7. Measurement of the target
8. Coordinate system for calculation
9. Data for calculation of the coordinates of base
points (A,B)
10. Data measured for coordinate determination
11. Data for calculation of relative lengths
12. Calculation order
13. Horizontal angles for determining base point
coordinates
14. Coordinates of a target
15. Transformation from local coordinate (x',y',z')
system to basic coordinate (x,y,z) system
Access your standards online with a subscription
Features
-
Simple online access to standards, technical information and regulations.
-
Critical updates of standards and customisable alerts and notifications.
-
Multi-user online standards collection: secure, flexible and cost effective.