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

A sample world map

many thanks for your attention

contact:

jochen.steinbrenner@gl-group.com