531-Permit To Work / 748
P
er
m
it to
W
or
k
BOS-PRD-03.900902
Audit information
shall
be reported in the
BOS-FRM-03.0056 - Permit to work – Log out Tag out Log book
.
This logbook will be inspected during Vessel Management visits inspections.
4.
7 En
c
lo
s
e
d
Spa
c
e
En
tr
y (ESE)
An enclosed space means a space which has any of the following characteristics:
x
Limited openings for entry and exit;
x
Unfavourable natural ventilation;
x
Not designed for continuous worker occupancy.
All such spaces are clearly marked “Enclosed space – Do Not Enter” (or similar) and include, but are not
limited to:
x
Cargo tanks;
x
Slop tanks;
x
Ballast;
x
Potable water tanks;
x
Cofferdams;
x
Duct keels;
x
Void spaces;
x
Chain lockers;
x
Fuel tanks;
x
Lubricating oil tanks;
x
Waste oil tanks;
x
Sewage tanks;
x
Turnings;
x
Any other space that is not routinely ventilated or entered.
Such spaces may be dangerous due to the presence of hydrocarbon, toxic or inert gas, or oxygen deficiency.
Before issuing the PTW in connection with an Enclosed Space Entry
PTW # 4 BOS-FRM-03.0017
the
T
ask
Sup
ervi
s
or
shall
ensure the following safety measures are implemented:
x
In open sea, when vessel rolling angle exceeds 5°, the related risk
shall
be analysed and
documented in the
TBT logbook
prior to the entry.
x
Where the space has been used for carriage of liquids or bulk cargoes, Lock-Out/Tag-Out (as per
Chapter 4.12)
shall
be used to isolate tank valves and/or pumps associated with the space;
x
An Emergency Rescue plan relevant to the applicable space is documented and has been reviewed
and approved by the
M
as
ter
. This plan is to be clearly posted at the work site;
x
The atmosphere has been tested and the space ventilated as detailed below;
x
Lifelines, tripod and harnesses are ready for immediate use at the entrance;
x
Breathing apparatus and resuscitation equipment are ready at the entrance. Ensure that it is
possible to enter the space with the equipment provided;
x
Where possible, a separate means of access is identified and available for use in an emergency;
x
The
T
ask Sup
ervi
s
or
is keeping an entry log and is in constant attendance outside the space, and
in direct contact with a responsible person;
x
Suitable notices have been prominently displayed to inform personnel of the precautions to be taken
when entering tanks or other enclosed spaces, and of any restrictions placed upon the work
permitted therein;
x
The area where the entry is being made and the subsequent access are cordoned off and protected
to prevent any falls.
NOTE 1 : External authority approval may be required if the vessel is within port limits.
NOTE 2 : Operations Manager approval is required for hot work in confined spaces previously containing hydrocarbon products
.
Version 04. Original date: 25/05/2012. Version date: 31/12/2014. Valid version only on QMS site. Uncontrolled document when printed.
Procedure prepared by: BOS QHSES Coordinator. Approved by: BOS QHSES Manager. Validated by: BOS Quality Representative.
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