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PART VI
Construction Requirements : Class B Oil Barges
(Cargo flashpoint exceeding 60º C, except where otherwise provided by Section 87)

Hull Requirements - General ^

53. (1) The hull, structural bulkheads, decks, superstructures and deckhouses of every Class B oil barge shall be constructed of steel or an equivalent material with respect to fire risk.

(2) Scantlings, material, workmanship, welding, subdivision of cargo spaces and fitting of cofferdams shall be at least equivalent to the published standards of an approved classification society.

(3) Every Class B oil barge shall comply with the double hull requirements of Part VII of these Standards.

Cargo Tank Pressures ^

54. Every class B oil barge shall comply with the cargo tank pressure requirements of section 28 of these Standards.

Cargo Segregation ^

55. Tanks used to carry oil shall be segregated from spaces in which any source of ignition is normally present by oiltight and gastight decks and bulkheads.

Independent Cargo Tanks ^

56. Independent cargo tanks shall comply with the requirements of section 32 of these Standards.

Machinery - General ^

57. Except where otherwise provided by these Standards, the machinery and associated systems of every Class B oil barge shall be

(a) designed, constructed and installed in accordance with the requirements of the Marine Machinery Regulations, notwithstanding the application restrictions of subsection 3(2) thereof, and

(b) at least equivalent to the standards of an approved classification society.

Electrical Installation ^

58. The electrical installation of every Class B oil barge shall comply with the applicable requirements of the Canadian Coast Guard Ship Safety Electrical Standards TP 127.

Installation of Compression Ignition Engines ^

59. Compression ignition engine installations shall comply with the requirements of sections 35, 36 and 37 of these Standards.

Cargo Pumps and Piping ^

60. In every Class B oil barge,

(a) cargo pumps shall be designed and installed so as to minimize the danger of sparking;

(b) compressed air shall not be used as a means of cargo discharge;

(c) a pressure gauge shall be installed for each pump discharge, located where clearly visible from the pump controls; and

(d) a relief valve, piped back into the suction, shall be fitted in the discharge of every cargo pump, except that such a valve need not be fitted when the system is served only by centrifugal pumps designed so that the delivered pressure cannot exceed the piping design pressure.

Cargo Piping Systems ^

61. Every Class B oil barge shall be

(a) fitted with a fixed cargo piping system that complies with the requirements of section 41; or

(b) served by a portable piping system that complies with the requirements of section 44 of these Standards.

Ventilation ^

62. The ventilation arrangements of every Class B oil barge shall comply with the requirements of Section 45 and subsection 46(1) of these Standards.

Tank Vents ^

63. The tank venting arrangements of every Class B oil barge shall comply with the requirements of

(a) subsections 47(1), (2), (3), (4) and (6); and

(b) sections 49 and 50 of these Standards.

Bilge Systems ^

64. The bilge system of every Class B oil barge shall comply with the requirements of Section 51 of these Standards.

Sounding Arrangements ^

65. The sounding arrangements of every Class B oil barge shall comply with the requirements of Section 52 of these Standards.

 

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