||Title:||MERCHANT SHIPPING (INSTRUCTIONS TO SURVEYORS) (PASSENGER SHIPS) REGULATIONS||Gazette Number:|
|Regulation:||1||Heading:||Survey during construction||Version Date:||30/06/1997|
(1) Every new steamship for which, when completed, a safety certificate or a passenger certificate will be required, is to be surveyed during construction and these Instructions are for the guidance of the surveyor in carrying out this duty.
(2) All proposals relating to hull scantlings, structural strength, watertight subdivision, escapes, weathertight arrangements and fire-resisting bulkheads are in the first instance to be referred to the Principal Surveyor of Ships. (See paragraph 74).
(3) In order to avoid the inconvenience and delay which might arise if alterations or amendments are deemed necessary the various plans and particulars should be submitted before the work is put in hand at the ship.
(4) As the construction of the ship proceeds the surveyor is to satisfy himself that the arrangements and details in connection with the structure of the hull, watertight subdivision, fire-resisting bulkheads, etc., are in accordance with the approved plans and these Instructions. Where any parts or arrangements are found to be materially different from those approved by the surveyor of ships or are unsatisfactory in any respect the surveyor is at once to forward a report to the Principal Surveyor of Ships.
All pressure and hose tests specified in these Instructions are to be carried out in the presence and to the satisfaction of the surveyor, who will make appropriate records of the tests.
(5) Standard of Subdivision: The surveyor must satisfy himself that the approved standard of subdivision is provided in the ship and the procedure described below is generally to be followed-
(6) Entries in Form B.H.1: All particulars for which provision is made in Form B.H.1 are to be entered therein and on completion of the ship this form, with the diagram B.H.1A attached, is to be forwarded to the Principal Surveyor of Ships for examination and record.
(a) Spacing of watertight bulkheads: The positions of the main transverse bulkheads are to be noted from the approved subdivision plans and recorded in Form B.H.1. These positions are to be checked at the ship together with those of the approved steps and recesses in the watertight bulkheads, and the arrangement of longitudinal watertight and non-watertight bulkheads.
(b) Form of ship: In order that the surveyor may satisfy himself that the form of the ship as built substantially agrees with the particulars from which the flooding curves have been developed, the following or other approved procedure is to be adopted-
The surveyor is to measure from the plans and enter in Form B.H.1 a series of depths and breadths to the moulded lines in the plane of each main transverse bulkhead. In ordinary cases it will be sufficient to measure the breadth at points obtained by dividing the depth into six equal parts. If, however, the breadths could be more conveniently taken at each tenth of the ship's length or in any other positions, definite proposals to that effect are to be submitted for consideration.
(c) Appropriation of Spaces: The appropriation of an spaces upon which the calculations of average permeabilities and criterion numeral are based is to be entered in Form B.H.1 and B.H.1A, and when the ship is completed the surveyor is to examine each space and satisfy himself that it will be used for the purpose shown on the approved plans.
When the construction of the ship is sufficiently advanced the corresponding breadths are to be measured at the ship and entered in Form B.H.1.
If it appears that a space will be used for a purpose such as would involve a higher average permeability of the portion of the ship in which the space is situated or an increase in the criterion numeral, the surveyor is to call the builder's attention to the matter and report full particulars to the Principal Surveyor of Ships.
(d) Inspection of Subdivision Loadline Markings: Before issuing his declaration the surveyor is to inspect the subdivision loadline marks placed on the ship's sides, and satisfy himself that they are in accordance with paragraph 16 of these Instructions. The surveyor is held responsible for the duty of ensuring that the positions of the marks to which the ship may load when carrying passengers correspond with the approved subdivision draughts.