Approval process of watertight doors involving IMO Guidance MSC.1/Circ.1380 GARD Conference Arendal, Norway 2013-05-29
Biographical notes on the author
Jochen Steinbrenner head of department load Line & tonnage technical global head concerning freeboard & tonnage matters
Contents Part I: The plan approval process for watertight doors and the
interaction with the GL field service 1) drawing submission and GL quotation for plan approval services 2) reception of signed quotation and start of plan approval 3) return of approved drawings to all involved parties 4) inspection of doors at manufacturer´s site by GL surveyor 5) hydro- and function testing in the presence of a GL surveyor 6) issuance of a test certificate by the GL surveyor 7) shipment of the doors to shipyard 8) check of documentation by GL NB surveyor 9) tightness- and function testing after installation onboard
Contents Part II: An approach to the application of IMO MSC.1/Circ.1380
"Guidance for watertight doors on Pax ships which may be left open during navigation"
1) the company demonstrates the need to leave a door open 2) the company judges the required door category to be A 3) the company conducts a risk assessment by a) undertaking a floatability assessment acc. to Annex 1 b) description of tech. standards of the door acc. to Annex 2 c) setting operational instructions in the SMM 4) GL HO reviews a.m. information and evaluates Pros and Cons 5) GL HO submits the request & documentation to the flag admin. 6) the flag admin are free in their decision
Part I: The plan approval process for watertight doors and the interaction with the GL field service
1) drawing submission and GL quotation for plan approval services
manufacturer GL HO e-drawing submission
quotation
Part I: The plan approval process for watertight doors and the interaction with the GL field service
2) reception of signed quotation and start plan approval
manufacturer GL HO signed quotation
Part I: The plan approval process for watertight doors and the interaction with the GL field service
3) return of approved drawings to all involved parties
manufacturer
GL HO
+
GL Site Office approval letter + approved drawing
cc approval letter shipyard GL Site Office SY
+
+
Part I: The plan approval process for watertight doors and the interaction with the GL field service
4) inspection of doors at manufacturer´s site by GL surveyor 5) hydro- and function testing in the presence of a GL surveyor
manufacturer GL Site Office surveyor
visual inspection & testing as per approval letter
+
Part I: The plan approval process for watertight doors and the interaction with the GL field service
6) issuance of a test certificate by the GL surveyor 7) shipment of the doors to the shipyard
manufacturer GL Site Office
test certificate
Part I: The plan approval process for watertight doors and the interaction with the GL field service
8) check of documentation by GL NB surveyor 9) tightness- and function testing after installation onboard
GL Site Office SY
test certificate mounting by SY
testing t.t.s.o.t.a.s.
Part II: An approach to the application of IMO MSC.1/Circ.1380 "Guidance for watertight doors on Pax ships which may be left open during navigation"
Part II: An approach to the application of IMO MSC.1/Circ.1380 "Guidance for watertight doors on Pax ships which may be left open during navigation"
1) the company demonstrates the need to leave a door open
wt door
dry prov. cold store
Part II: An approach to the application of IMO MSC.1/Circ.1380 "Guidance for watertight doors on Pax ships which may be left open during navigation"
2) the company judges the required door category to be A
wt door
dry prov. cold store
? category A
category B
category C
(remain open during navig.) (opened for ltd. work periods d.n.)
(opened for passage of crew or pax d.n.)
Part II: An approach to the application of IMO MSC.1/Circ.1380 "Guidance for watertight doors on Pax ships which may be left open during navigation"
3) the company conducts a risk assessment by a) undertaking a floatability assessment acc. to Annex 1
wt door
dry prov. cold store
orders from SY floatability ass.
Part II: An approach to the application of IMO MSC.1/Circ.1380 "Guidance for watertight doors on Pax ships which may be left open during navigation"
3) the company conducts a risk assessment by b) description of tech. standards of the door acc. to Annex 2
orders from SY
descrip. of tech, stnds. of the door
Part II: An approach to the application of IMO MSC.1/Circ.1380 "Guidance for watertight doors on Pax ships which may be left open during navigation"
3) the company conducts a risk assessment by c) setting operational instructions in the SMM
SMM
- navigation in ice
- heavy weather
- dense traffic
- shallow waters
sets up instructions
Part II: An approach to the application of IMO MSC.1/Circ.1380 "Guidance for watertight doors on Pax ships which may be left open during navigation"
4) GL HO reviews a.m. information and evaluates Pros and Cons
SMM
float.
ass.
door techn. descr.
GL HO
result of evaluation
Part II: An approach to the application of IMO MSC.1/Circ.1380 "Guidance for watertight doors on Pax ships which may be left open during navigation"
5) GL HO submits the request & documentation to the flag admin. 6) the flag admin are free in their decision
GL HO
result of evaluation flag administration
GL HO
?
presentation title | 28.05.2013 | No. 19 presentation title | 28.05.2013 | No. 19
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