413-Mooring Operations / 748
Moorin
g Op
erations
BOS-PRD-07.900607
Pi
gg
y
b
a
c
k an
c
hor
This is an additional anchor dropped about 5 m in front of the main one to increase the anchor line holding
strength. It’s also used on slippery bottoms.
Pi
g
tail
Piece of chain under the buoy, linking to the pennant.
PM
S
Planned Maintenance System.
Positionin
g
system
Software which allows to display the operation on a screen with the targets where to drop the anchors.
Ri
g
Moore Master
Directs the movement of offshore Drilling Rigs and work barges from one well site.
S
MV
Spread Mooring Vessel
Sp
rea
d
Moorin
g
This stands for 4 or 8 points anchoring
Sp
rin
g bu
oy
Buoy relieving the cable to avoid contact with an obstruction on the bottom.
S
WL
Safe Working Load
8
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ision an
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i
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ation of
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App
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Vali
d
ate
d b
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Version
(
Nº an
d d
ate
)
C
han
g
es
(c
ha
p
ter
/
referen
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)
BOS SMS
Technical
Adviser
BOS Operations
Managers
Director
BOS Quality
Representative
Rev.01 – 11/03/2013
-
BOS Operation
Manager
Director
BOS Operation
Manager Director
Ver.03 – 03/12/2013 Reviewed § 4.4 and § 7.
Insertion of § 4.7, § 4.7.1, § 4.7.2, §
4.7.3
OPS DPT
Project Manager
BOS Operation
Manager Director
Ver.04 – 31/12/2014 Added sentence about pre-task
planning information in § 4.1
Adding records to be done in bridge
logbook in § 4.2.8
Reviewed § 4.7 Spread mooring
operations
Version 04. Original date: 22/06/2012. Version date: 31/12/2014. Valid version only on QMS site. Uncontrolled document when printed.
Procedure prepared by: BOS Operations Department Project Coordinator. Approved by: Head of Operations. Validated by: BOS Quality Representative
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