GreatNorthCollective/greatnorth-canada-federal-laws-text huggingface dataset:
Life Saving Equipment Regulations — 63
63 (1) Riveting of shell plating shall be reduced to a minimum and all seams and butts shall be secured by electrical or other approved welding process. (2) All welding shall be carried out before the material is galvanized or zinc sprayed. (3) Faying surfaces of riveted plates, seams and angles shall be well coated with a protective covering to exclude moisture and, in addition, where watertightness is necessary, painted water-excluding material shall be inserted between the faying surfaces of riveted seams. (4) Where riveting is employed in the construction of the shell, double riveting shall be used and the centres of the rivets in the row nearest the edge of the sheet shall be not less than 12.5 mm nor more than 19 mm from the edge. (5) Rivets shall be staggered with not less than 59 rivets to the metre and shall have countersunk heads and the diameter of the rivets shall be not less than that shown in the following table: TABLE Plating Thickness U.S.S.G. Rivet Diameter (millimetres) 18 3 16 3 14 4 13 4 12 5 (6) Riveting of the shell plating to the keel, stem and sternpost shall be by botton head rivets, staggered with not less than 39 rivets to the metre and the distance from the edge of the plate to the centres of the rivets in the nearest rows shall be not less than 12.5 mm nor more than 19 mm. (7) Rivets connecting the shell to the gunwale shall be spaced not more than 75 mm on centres and the size of the rivets for connecting the shell plating to the keel, stem, sternpost and gunwale shall be 6 mm diameter for boats 8.5 m in length and under and 8 mm diameter for boats over 8.5 m in length. (8) The connection of the floors to the shell shall be by a single row of rivets not less than 5 mm diameter and spaced not more than 75 mm on centres.
Life Saving Equipment Regulations — 64
64 (1) The keel, stem and sternpost shall be in not more than two lengths except in the case of a lifeboat of stern frame construction where three lengths may be used. (2) The scarph shall have a length of nine times the thickness of the keel and shall be strapped and riveted. (3) A double-V butt weld may be used without straps.
Life Saving Equipment Regulations — 65
65 (1) Where increased thickness of bottom plating is called for by Table II, the thicker plating shall be fitted to approximately the turn of the bilge. (2) Doubling plates of suitable size shall be fitted on all lifeboats where the shell is liable to damage, wear or corrosion from contact with chocks, and doublers shall be not less than the thickness of the bottom plating. (3) All seam and butt laps shall be at least 32 mm. (4) The laps of joints on keel, stem and sternpost shall be at least 50 mm. (5) All seam and butt laps and laps of plating on keel, stem and sternpost shall be made over felt laid in wet red lead, but other methods will be given consideration.
Life Saving Equipment Regulations — 66
66 (1) Floors shall be fitted in lifeboats 7.3 m in length and over and (a) shall be of a thickness not less than that of the bottom plating; (b) shall be at least 150 mm deep at the centre line of the boat and flanged 38 mm top and bottom; and (c) shall extend to approximately the turn of the bilge. (2) The maximum floor spacing for boats 8.5 m in length and under shall be 915 mm and for boats over 8.5 m in length but not over 11 m in length shall be 762 mm. (3) Limber holes shall be cut in floors and shall be so located as to provide efficient drainage. (4) Limber holes shall be so arranged that the load on the floors is taken by the keel as well as by the shell plating.
Life Saving Equipment Regulations — 67
67 (1) Gunwales shall be in not more than two pieces. (2) If gunwales are fitted in two lengths, the joints shall be placed at approximately one third of the length from the stem or stern of the boat and at opposite ends of the boat and may be riveted or welded and, if riveted, the backing-up piece shall be angular in section, of the thickness of the gunwale, and the length shall be not less than eight times the depth of the gunwale but a suitable butt weld may be used without backing-up bar. (3) Flanged plates made from flat bars may be substituted for angle gunwales but the legs of the angles shall be approximately equal and the inside radius of the band shall be not less than 12.5 mm nor more than 19 mm and the vertical leg shall be outside of the sheer strake. (4) The outside of the gunwale angle shall have a nosing fitted to the gunwale of hollow steel, half round, 50 mm by 6 mm but if a flanged plate gunwale is used, a nosing will not be required. (5) The gunwale brace shall be bent outboard at the thwart so that the bolts and nuts do not obstruct the seating space. (6) Gunwales shall be secured to the thwarts by steel braces, bolts and rivets as set out in the following table: TABLE Length of Lifeboat (metres) Brace Size (millimetres) Bolts and Rivets (millimetres) 6.7 and under 75 × 6 8 diameter 6.7 and not over 8.5 75 × 8 9.5 diameter Over 8.5 75 × 9.5 11 diameter (7) Gunwale braces shall be bolted to the thwarts with at least two carriage bolts of a size not less than that noted in subsection (6) and shall be riveted or welded to the gunwales. (8) Where gunwale braces are riveted to the gunwale, at least two rivets of a size not less than that noted in subsection (6) shall be used. (9) Bracket type gunwale braces will be given special consideration.
Life Saving Equipment Regulations — 68
68 (1) Breast plates shall be fitted to the stem and sternpost. (2) The thickness of breast plates shall be not less than the thickness of the leg of the gunwale and the depth of the throat of the plate shall be not less than twice the depth of the gunwale.
Life Saving Equipment Regulations — 69
69 Thwarts, side benches, cleading, lower cross or side seats, stretchers, stanchions, bottom boards and rudder shall normally be of wood as specified for wooden lifeboats.
Life Saving Equipment Regulations — 70
70 A lifeboat, if fitted with an automatic plug, designed and installed to ensure complete drainage at all times when the boat is out of the water, shall be provided with a cap attached to the lifeboat by a suitable chain.
Life Saving Equipment Regulations — 71
71 (1) Steel or iron entering into the construction of lifeboats shall be galvanized by the hot dipped process but other methods of corrosion prevention will be given special consideration. (2) Where welded construction is employed, the material shall be galvanized after welding unless it is impractical to do so in which case consideration will be given to equivalent protection.
Life Saving Equipment Regulations — 72
72 (1) The relevant sections relating to wooden lifeboats apply to glass reinforced plastic lifeboats, except as modified in the following sections. (2) In this Schedule, G.R.P means glass reinforced plastic.
Life Saving Equipment Regulations — 73
73 Boatbuilders who intend to build G.R.P. lifeboats, must satisfy the Board that the premises in which the lifeboats are to be built are suitable and that the employees have been properly trained for the type of work to be undertaken.
Life Saving Equipment Regulations — 74
74 G.R.P. lifeboats shall be made by the contact moulding method using polyester resins reinforced with glass fibre and shall comply with the requirements contained in this Schedule except that other materials, processes and techniques will receive consideration by the Board where full details are submitted and where it can be shown that such materials, processes and techniques have proved satisfactory in boat construction.
Life Saving Equipment Regulations — 75
75 (1) Any workshop used for moulding G.R.P. lifeboats shall be protected from the weather and shall be adequately ventilated and lighted. (2) The temperature in a workshop shall be maintained between 15.5°C and 21°C and the humidity shall be kept at a low level and thermometers and a hygrometer shall be provided and placed in suitable positions. (3) Draughts and direct sunlight shall be avoided and fluorescent or mercury lighting, if fitted, shall be kept well above the moulds.
Life Saving Equipment Regulations — 76
76 The instructions issued by the manufacturers with regard to the storage and use of materials shall be strictly adhered to.
Life Saving Equipment Regulations — 77
77 (1) Fully detailed plans and specifications for a prototype G.R.P. lifeboat shall be submitted to the Board for approval and shall include (a) a diagrammatic section showing the proposed lay-up, with a single line representing each layer of reinforcement; (b) a description of the method of fabrication; (c) a longitudinal strength calculation showing the stresses that will arise in the gunwale and keel when the lifeboat is fully loaded and suspended by the lifting hooks and for the purpose of this calculation the bending moment shall be taken as WL/6 where W is the weight of the fully laden lifeboat and L is the distance between the lifting hooks but where alternative positions are provided for the lifting hooks L is the maximum span and these stresses shall not normally exceed 7 722 kPa; (d) the names of the manufacturers of the materials and, where applicable, the reference numbers of the materials; (e) the resin formulations for the various parts of the lay-up and details of the additives, including catalyst and accelerator, shall be quoted in parts by weight to 100 parts of resin; and (f) the resin/glass ratio. (2) The resin formulation, resin to glass ratio, gel times, time allowable between successive laminating operations and time and temperature curing conditions shall comply with the resin manufacturer’s recommendations.
Life Saving Equipment Regulations — 78
78 (1) Resins and glass fibre reinforcements used in the construction of lifeboats shall be of types recommended by the manufacturers for boatbuilding and shall be approved by the Board. (2) Resins shall be suitable for laminates that will be subjected to stress within a temperature range of from +65.5°C to -30°C and shall be formulated to have a gel time of less than one hour. (3) Glass fibre reinforcements shall be of the low alkali “E” glass type containing not more than one per cent alkali, calculated as Na 2 O. (4) Chopped strand mats shall be used for the main lay-up and these shall not exceed a nominal 610 g/m 2 in weight. (5) Woven cloths, rovings and tapes may be approved for parts of the lifeboat that are considered to be suitable for their application. (6) Woven glass fibre reinforcements if used shall be in the desized state and finished so as to provide good resin to glass adhesion and laminated wet strength retention. (7) Wood or metal inserts shall not be used unless full details of the proposed method for incorporating them in the boat structure are submitted to and approved by the Board. (8) Any surface of the moulding that will be exposed to the atmosphere or to water shall be provided with a gel coat. (9) Surfaces that may be walked upon shall provide a good non-slip foothold.
Life Saving Equipment Regulations — 79
79 (1) Before a process of laminating is approved, the boatbuilder shall prepare a sample laminate to be submitted for assessment of degree of cure to an authority approved by the Board. (2) A sample laminate shall be flat, 300 mm square and made with 610 g/m 2 (or equivalent) chopped strand mats and the chopped strand mats, the resin mix, the resin to glass ratio, gel coat and the curing conditions for the sample laminate shall be as proposed for the lifeboat.
Life Saving Equipment Regulations — 80
80 (1) Mouldings for a G.R.P. lifeboat shall be made of self-extinguishing laminates. (2) A specimen shall be cut from the sample referred to in section 79 and shall be tested in a draught free atmosphere as follows: (a) three test specimens, each approximately 150 mm long by 13 mm wide shall be used; each specimen shall be marked by scribing a line 25 mm from one end; the other end shall be clamped in a support so that the longitudinal axis of the specimen is horizontal and the transverse axis inclined at 45° to the horizontal; a clean piece of 18 mesh wire gauze about 125 mm square shall be clamped under the specimen in a horizontal position 6 mm below the edge of the specimen, and with about 13 mm of the specimen extending beyond the edge of the gauze; (b) a bunsen burner with a minimum outside diameter of 11 mm and a luminous flame 13 to 19 mm in height shall be placed under the free end of the specimen for 30 seconds, then the bunsen flame shall be removed and the specimen allowed to burn; (c) if the flame on the specimen is extinguished before reaching the 25 mm mark, the bunsen burner shall be placed under the free end for a second period of 30 seconds immediately following the extinction of the first flame; and (d) if the flame is again extinguished before reaching the 25 mm mark on each of the three test specimens, the laminate from which they were cut shall be regarded as self-extinguishing. (3) The self-extinguishing property shall be imparted to the whole of the laminate, including the gel coat. (4) An approved self-extinguishing resin shall be used, or, alternatively, fire retarding agents may be added by the boatbuilder to a non-self-extinguishing resin, which shall be of a type approved by the Board. (5) Where fire retarding agents are added to a resin, the amounts used shall be limited so that the antimony trioxide and chlorinated paraffin wax do not exceed a combined total of 20 parts by weight to 100 parts of resin. (6) Fillers other than fire retarding agents shall be limited so that the total quantity of fillers, excluding the fire retarding agents, does not exceed 10 parts by weight to 100 parts of resin. (7) Fillers used shall be recommended by the resin manufacturers.
Life Saving Equipment Regulations — 81
81 (1) Where half shell mouldings are used for a lifeboat, or internal glass reinforced plastic structures such as buoyancy units, bulkheads, floors, seats and thwarts are not laid-up integral with the shell, full details of the proposed methods for fixing and joining these items shall be submitted to the Board. (2) The following means of connection are acceptable for use in G.R.P. work: (a) surfaces to be bonded shall be roughened and thoroughly cleaned, the gel coats shall be removed in way of the surface, and the total thickness of fillet bonding strips shall be approximately equal to the thickness of the thinner of the parts being joined; (b) rivets shall be cold-driven, the heads and points bearing on strips, plates or washers of appropriate material with precautions against bimetallic corrosion being taken, a suitable compound shall be used when a watertight joint is required, the rivets shall be dipped in resin or other suitable sealant to seal the exposed fibres in the holes and the minimum distance between the centre of the rivet hole and the edge of the G.R.P. material shall be three times the diameter of the hole; (c) the requirements for bolted joints are the same as for riveted joints and bolts shall be made of a non-corrodible material other than copper or its alloys and the holes shall be of just sufficient diameter to take the bolts; and (d) screwing is acceptable only for the connection of items of relatively minor importance where a better type of connection cannot be readily used and in such cases, bolts or screws of coarse thread shall be used.
Life Saving Equipment Regulations — 82
82 (1) Loose buoyancy tanks of a lifeboat shall be constructed and placed as described in sections 24 to 29 of this Schedule. (2) Built-in buoyancy tanks that are not filled with an approved buoyancy material shall not exceed 915 mm in length and shall be tested to an air pressure of 10.3 kPa and means shall be provided for periodic inspection and testing. (3) Buoyancy tanks for prototype G.R.P. lifeboats subjected to strength testing shall be tested to an air pressure of not less than 10.3 kPa both before and after the tests. (4) Where it is proposed to fill the buoyancy tanks with materials, full details shall be submitted to the Board.
Life Saving Equipment Regulations — 83
83 Painting of a G.R.P. lifeboat shall be done only after the moulding is fully cured and a water resistant grade of pre-treatment primer or an epoxide based primer paint shall be used followed by any of the usual finishing coatings and silicone and wax release agents shall not be used for surfaces that are to be painted.
Life Saving Equipment Regulations — 84
84 A plug hole with a non-corrodible socket shall be provided at a suitable position to drain the lifeboat and the socket shall be designed to provide watertight protection to the edge of the hole.
Life Saving Equipment Regulations — 85
85 (1) A prototype G.R.P. lifeboat shall be tested as prescribed in section 21 and paragraph 22(b) of this Schedule, and shall be subjected to the additional tests prescribed in subsections (2) to (6). (2) A 100 per cent overload test shall be made with the lifeboat suspended freely by the lifting hooks or releasing gear and evenly distributed weights shall be loaded incrementally and measurements at full load, 25 per cent, 50 per cent, 75 per cent and 100 per cent overloads shall be recorded as follows: (a) deflection of keel amidships, (b) change in length as measured between the top of stem and stern post, (c) change in breadth over the gunwale, and (d) change in depth measured from gunwale to keel, and when the lifeboat is subject to 25 per cent overload, the keel deflection and change of breadth shall not exceed 1/400 part of the lifeboat’s length and the results at 100 per cent overload shall be approximately in proportion to those at 25 per cent overload. (3) The lifeboat shall be loaded with evenly distributed weights equal to the weight of the equipment, food, water and persons to be carried and shall then be suspended freely by the lifting hooks or releasing gear and dropped into the water from a height of 2.29 m, the height being measured from the keel to the water. (4) The lifeboat shall be loaded as for the test prescribed in subsection (3) and then suspended freely by the lifting hooks or releasing gear with the falls 6.1 m in length and arranged so that the gunwale on one side of the boat is about 50 mm from a stationary wall or other structure of similar rigidity and the lifeboat shall then be moved outboard a distance of 2.44 m horizontal from its original position and shall be allowed to swing freely and strike the wall along one side. (5) Before the tests prescribed in subsections (3) and (4) are carried out, and with the boat suspended freely by the lifting hooks or releasing gear and loaded to its davit stowage condition, the keel shall be marked at each end in way of the lifting hooks and at amidships, and the length, breadth and depth of the boat measured and the measurements shall be checked after the tests and any permanent deflection recorded. (6) If a motor or mechanically propelled lifeboat is to be strength tested and it is considered necessary to remove parts of the machinery to avoid damage to them, weights shall be added to compensate for the removal of the parts.
Life Saving Equipment Regulations — 86
86 A motor lifeboat shall comply with the following requirements: (a) it shall be fitted with a compression ignition engine; (b) it shall be provided with sufficient fuel for 24-hour operation; (c) it shall be capable of going astern; and (d) it shall be capable of a speed, fully loaded in smooth water, of (i) six knots in the case of passenger ships carrying more than 12 passengers, tankers, whale factories and fish processing ships, or (ii) four knots in the case of other ships.
Life Saving Equipment Regulations — 87
87 A motor lifeboat engine shall comply with the following requirements: (a) it shall be capable of starting readily and running reliably in cold weather; (b) it shall operate properly under conditions of at least 10 degrees list and 10 degrees trim; (c) its circulating water pumps shall be self-priming; (d) it shall be adequately protected, together with its fuel tanks and accessories, from heavy weather; (e) in a wooden lifeboat, there shall be a metal tray under the engine and fuel tank; (f) its casing shall be of fireproof material; (g) it shall be efficiently ventilated; and (h) the fuel tank shall be capable of withstanding a 4.57 m head of water, shall have suitable filling and relief arrangements, and if made of steel, shall be galvanized externally.
Life Saving Equipment Regulations — 88
88 A lifeboat that is fitted with a fixed VHF radiotelephone apparatus shall (a) be equipped with a cabin that is large enough to accommodate the apparatus and the person using it; and (b) if the antenna of the apparatus is separately mounted, be provided with a device for installing and securing the antenna in its operating position.
Life Saving Equipment Regulations — 90
90 The buoyancy appliances of a motor lifeboat shall be equal in volume to those of a non-motor lifeboat of equal size with an additional volume to compensate for the difference between (a) the weight of the motor, its accessories, the radio apparatus and searchlight where fitted; and (b) the weight of persons who could occupy the space occupied by the motor, its accessories, the radio apparatus and searchlight if this equipment were not fitted. The following is a worked example of the calculation for such cases: Wooden Motor Lifeboat, Class 1 Dimensions L B D of boat = 8.5 × 2.62 × 1.17 Persons Capacity by formula L × B × D × .6 = 15.63 m 3 = 55 Motor space 1.37 × .76 × 1.17 = 1.22 m 3 Radio room 1.1 × 1.19 × 1.17 = 1.53 m 3 } = 2.75 m 3 Net capacity 12.88 m 3 Maximum number of persons allowable = 45 Number of persons displaced = 10 Minimum internal buoyancy required = 1.56 m 3 Weight of motor and accessories (including  weight of fuel tanks but not fuel) = 610 kg Weight of radio and searchlight appliances and  accessories such as batteries, etc = 203 kg 813 kg Buoyancy = 1025 kg/m 3 813 1025 = .793 m 3 Less buoyancy for 10 persons displaced at .0283  m 3 each = .283 m 3 .51 .51 m 3 2.07 m 3 Internal buoyancy required for 45 persons  subject to a seating test = 2.07 m 3 Internal buoyancy required for 32 persons being  the number determined by seating test = 1.72 m 3
Life Saving Equipment Regulations — Life Saving Equipment Regulations
The following is a worked example of the calculation for such cases: Wooden Motor Lifeboat, Class 1 Dimensions L B D of boat = 8.5 × 2.62 × 1.17 Persons Capacity by formula L × B × D × .6 = 15.63 m 3 = 55 Motor space 1.37 × .76 × 1.17 = 1.22 m 3 Radio room 1.1 × 1.19 × 1.17 = 1.53 m 3 } = 2.75 m 3 Net capacity 12.88 m 3 Maximum number of persons allowable = 45 Number of persons displaced = 10 Minimum internal buoyancy required = 1.56 m 3 Weight of motor and accessories (including  weight of fuel tanks but not fuel) = 610 kg Weight of radio and searchlight appliances and  accessories such as batteries, etc = 203 kg 813 kg Buoyancy = 1025 kg/m 3 813 1025 = .793 m 3 Less buoyancy for 10 persons displaced at .0283  m 3 each = .283 m 3 .51 .51 m 3 2.07 m 3 Internal buoyancy required for 45 persons  subject to a seating test = 2.07 m 3 Internal buoyancy required for 32 persons being  the number determined by seating test = 1.72 m 3
Life Saving Equipment Regulations — Life Saving Equipment Regulations
Weight of motor and accessories (including  weight of fuel tanks but not fuel)
Life Saving Equipment Regulations — Life Saving Equipment Regulations
Weight of radio and searchlight appliances and  accessories such as batteries, etc
Life Saving Equipment Regulations — Life Saving Equipment Regulations
Less buoyancy for 10 persons displaced at .0283  m 3 each
Life Saving Equipment Regulations — Life Saving Equipment Regulations
Internal buoyancy required for 45 persons  subject to a seating test
Life Saving Equipment Regulations — Life Saving Equipment Regulations
Internal buoyancy required for 32 persons being  the number determined by seating test