Navigation (Grain) Regulations (Cth)

STATUTORY RULES.

1959. No. 51.

REGULATIONS UNDER THE NAVIGATION ACT 1912-1956.*

I, THE GOVERNOR-GENERAL in and over the Commonwealth of Australia, acting with the advice of the Federal Executive Council, hereby make the following Regulations under the Navigation Act 1912-1956.

Dated this  twenty-sixth

day of  June , 1959

W. J. Slim

Governor-General.

By His Excellency’s Command,

Minister of State for Shipping and Transport

NAVIGATION (GRAIN) REGULATIONS.

Part I.—Preliminary.

Citation.

1. These Regulations may be cited as the Navigation (Grain) Regulations.

Parts.

2. These Regulations are divided into Parts, as follows:—

Part I.—Preliminary (Regulations 1-5).

Part II.—Notices (Regulations 6-8).

Part III.—Prevention of Grain from Shifting.

Division 1.—General (Regulation 9).

Division 2.—Bulk Grain (Regulations 10-26).

Division 3.—Grain in Bags (Regulations 27-31).

Interpretation.

3.—(1.) In these Regulations, unless the contrary intention appears—

 “bin” means a completely enclosed section of cargo space in the ‘tween decks or superstructure of a ship;

“bulk grain” means grain in bulk;

“grain” means wheat, maize, oats, rye, barley, rice, pulse and other seeds;

“heavy grain” means grain other than light grain;

“light barley” means barley which weighs not more than 51.575 pounds per bushel of 1.2837 cubic feet;

“light grain” means oats, light barley and cotton seed;

“ship” does not include a river or bay ship.

(2.) A reference in these Regulations to a Schedule by number shall be read as a reference to the Schedule so numbered to these Regulations.

* Notified in the Commonwealth Gazette on 26th June  1959.

557/58.–Price 8d. 6/28.5.1959.

Exemptions.

4.—(1.) If, in a particular case, a Deputy Director is satisfied that the exemption of a person from a requirement of these Regulations will not endanger a ship, the Deputy Director may, by instrument in writing, grant the exemption accordingly.

(2.) An exemption under these Regulations may be granted either unconditionally or subject to conditions.

(3.) Where an exemption is granted subject to conditions, the person to whom the exemption is granted shall comply with those conditions.

Equivalents.

5. Where these Regulations require that a particular fitting or type of fitting be fitted or carried in a ship, or that a particular provision be made in a ship, a Deputy Director may authorize another fitting or type of fitting to be fitted or carried, or other provision to be made, in the ship in lieu of that required by these Regulations if he is satisfied that the other fitting or type of fitting, or the other provision, is not less effective than that required by these Regulations.

Part II.—Notices.

Definition.

6. In this Part, “prescribed authority” means—

(a) in relation to the port of Sydney, Melbourne, Brisbane, Port Adelaide, Fremantle or Hobart—the Deputy Director for the State in which the port is situated; and

(b) in relation to any other port—the representative of the Director at that port.

Notice of intention to load grain.

7.—(1.) Notice by the owner, agent or master of a ship, in accordance with, or substantially in accordance with, Form A in the First Schedule, shall be given to the prescribed authority at a port at least twenty-four hours, or such lesser period as the prescribed authority allows, before the commencement of the loading, at the port, of grain into the ship.

(2.) If the provisions of the last preceding sub-regulation are contravened in relation to a ship, the owner, agent and master of the ship shall each be deemed to have contravened that sub-regulation.

(3.) Where notice under this regulation of intention to load grain is given in relation to a ship to which Part III. applies, a surveyor shall inspect the ship in connexion with the loading of the grain.

(4.) Subject to sub-regulations (5.), (7.) and (8.) of this regulation, there is payable in respect of an inspection under the last preceding sub-regulation a fee ascertained in accordance with the following table:—

    

Nature of loading—bags or bulk.	Weight of grain.	Fee.
Grain to be loaded, and already on board, wholly in bags	Weight of grain loaded, and already on board, not more than one-half of ship’s dead-weight cargo capacity ...................................................	£	s.	d.
		4	0	0
	Any other case .............................	6	0	0
Grain to be loaded, and already on board, wholly in bulk or partly in bulk and partly in bags	Weight of grain loaded, and already on board, not more than one-half of the ship’s dead-weight cargo capacity ..
		8	0	0
		Any other case.............................	12	0	0

(5.) Where, as a result of a request made by the owner, agent or master of a ship, a surveyor carries out an inspection of the ship under this regulation during any period when the Deputy Director’s office in the State where the inspection is made is not open for public business, the fee for the inspection otherwise payable under this regulation shall be increased—

(a) if the surveyor commences or ceases to be so engaged on a day when the Deputy Director’s office is not at any time open for public business—by Five pounds five shillings; and

(b) in any other case—by Two pounds two shillings or, if the surveyor commences to be so engaged before 6 a.m. or ceases to be so engaged after 11 p.m., by Four pounds four shillings.

(6.) The last preceding sub-regulation applies in respect of each surveyor engaged on an inspection during a period when the Deputy Director’s office is not open for public business.

(7.) Where—

(a) a surveyor is available at the time and place appointed for an inspection of a ship under this regulation but, for any reason outside the control of the surveyor, he is compelled to wait for a period after that time before he can commence the inspection;

(b) a surveyor is carrying out an inspection of a ship under this regulation and, for any reason outside his control, the inspection is interrupted and he is compelled to wait for a period before he can continue the inspection; or

(c) a surveyor carrying out an inspection of a ship under this regulation is compelled, for any reason outside his control, to wait on the ship after the completion of the inspection,

the fee for the inspection otherwise payable under this regulation shall be increased by an amount of Two pounds for each hour, or part of an hour, of the waiting time in excess of half an hour.

(8.) Where, as the result of a request made by the owner, agent or master of a ship, a surveyor proceeds to a place outside the limits of the port at which he is ordinarily stationed for the purpose of carrying out an inspection of a ship under this regulation, the fee for the inspection otherwise payable under this regulation shall be increased by an amount equal to the travelling and subsistence expenses necessarily incurred by the surveyor.

(9.) Where a fee payable under this regulation in respect of a ship is not paid, the Commonwealth may recover the fee as a debt due to the Commonwealth from the owner, charterer, agent or master of the ship.

Report on completion of loading.

8.—(1.) Where the loading of grain into a ship at a port has been completed and—

(a) the weight of bulk grain in the ship is one-third, or more than one-third, of the deadweight cargo capacity of the ship; or

(b) the weight of bagged grain, together with the weight of bulk grain, if any, in the ship, is one-half, or more than one-half, of the deadweight cargo capacity of the ship,

the master of the ship shall, as soon as practicable, furnish a report, in accordance with, or substantially in accordance with, Form B in the First Schedule, to the prescribed authority at the port.

(2.) If the master of the ship so requests, the prescribed authority to whom the notice is given may, if the loading of the grain is satisfactory to a surveyor, furnish to the master a certificate to that effect.

Part III.—Prevention of Grain from Shifting.

Division 1.—General.

Application.

9. This Part does not apply in relation to a ship carrying grain between ports in Australia unless—

(a) the weight of bulk grain in the ship is more than one-third of the deadweight cargo capacity of the ship; or

(b) the weight of bagged grain, together with the weight of the bulk grain, if any, in the ship, is more than one-half of the deadweight cargo capacity of the ship.

Division 2.—Bulk Grain.

Master, owner and agent responsible for complying with this Division.

10. Where a ship is carrying bulk grain, the master, owner or agent of the ship shall not take the ship to sea, or permit the ship to be taken to sea, unless the requirements of this Division have been complied with in relation to the grain.

Requirements as to holds.

11. Where bulk grain is carried in a hold—

(a) the bilges and wells shall be clean; and

(b) effective measures shall be taken to prevent grain from entering the bilges or wells, but so as not to make the coverings over the bilge suction bays or wells watertight.

Support of wooden or temporary bulkhead.

12. A wooden or temporary bulkhead dividing a cross bunker loaded with coal from a hold compartment containing bulk grain shall be supported, in a manner approved by a surveyor, against collapse due to pressure from the grain in the hold after the coal in the cross bunker has been worked out.

Hold, &c. partly filled with bulk grain.

13.—(1.) Where a hold, compartment or bin is partly filled with bulk: grain—

(a) the upper surface of the grain shall be level, both from side to side and fore and aft; and

(b) bagged grain or other suitable cargo that—

(i) is supported on a platform that complies with regulation 18 of these Regulations; and

(ii) extends to a height of not less than four feet above the upper surface of the grain,

shall be stowed over the whole of the upper surface of the grain.

(2.) Subject to the next succeeding sub-regulation, a hold, compartment or bin that is partly filled with bulk grain shall be divided by—

(a) a longitudinal bulkhead constructed to the satisfaction of a surveyor; or

(b) shifting boards along the centre fore and aft line of the ship.

(3.) The last preceding sub-regulation does not apply in relation to a lower hold where the grain stowed in the hold—

(a) does not exceed one-third of the capacity of the hold; or

(b) in the case of a lower hold containing a shaft or similar tunnel, does not exceed one-half of the capacity of the hold.

(4.) The shifting boards referred to in paragraph (b) of sub-regulation (2.) of this regulation—

(a) shall extend from the bottom of the hold, compartment or bin to a height of not less than two feet above the upper surface of the grain;

(b) when made of wood, shall comply with, and be fitted in accordance with, the requirements set out in the Second Schedule; and

(c) when made of material other than wood, shall be—

(i) constructed in accordance with a method approved by a Deputy Director; and

(ii) supported and secured to the satisfaction of a surveyor.

Hold, &c., wholly filled with bulk grain.

14.—(1.) A hold, compartment or bin that is wholly filled with bulk grain shall be divided by—

(a) a longitudinal bulkhead constructed to the satisfaction of a surveyor; or

(b) shifting boards along the centre fore and aft line of the ship.

(2.) The shifting boards referred to in paragraph (b) of the last preceding sub-regulation—

(a) when made of wood, shall comply with, and be fitted in accordance with, the requirements set out in the Second Schedule;

(b) when made of material other than wood, shall be—

(i) constructed in accordance with a method approved by a Deputy Director; and

(ii) supported and secured to the satisfaction of a surveyor;

(c) shall extend to the top of each feeder by which the hold, compartment or bin is fed;

(d) when fitted in a hold, shall extend downwards from the underside of the deck for a distance of not less than one-third of the depth of the hold or eight feet, whichever is the greater; and

(e) when fitted in a compartment in a ‘tween deck or superstructure, shall extend from deck to deck.

(3.) Any space above the shifting boards and between the beams shall be made grain-tight by—

(a) a wood filling piece which is of the same thickness as the shifting boards and which shall—

(i) be fitted between the beams; and

(ii) be secured in place by cleats or scabs fitted on both sides and at each end of the filling piece; or

(b) any other method approved by a surveyor.

(4.) Each cleat or scab referred to in the last preceding sub-regulation shall—

(a) be not less than two inches thick and four inches wide;

(b) be of a length not less than twice the full depth of the filling piece; and

(c) be securely spiked or bolted to the shifting board and the filling piece.

Trimming.

15. Where a hold or compartment is wholly filled with bulk grain, the grain shall be well trimmed up between the beams and into the wings and the spaces between the beams shall be completely filled with grain.

Feeders.

16.—(1.) Subject to sub-regulation (3.) of this regulation, a hold, compartment or bin which is wholly filled with bulk grain shall be fed by feeders.

(2.) The feeders shall contain not less than two and one half per centum, and not more than eight per centum, of the quantity of grain carried in the hold, compartment or bin fed by the feeders.

(3.) Where—

(a) bulk grain is loaded in a deep tank;

(b) the tank is divided by a steel centre longitudinal division;

(c) the grain is well stowed;

(d) the tank and tank hatchways are completely filled; and

(e) the hatch covers are secured,

this regulation does not apply in relation to the tank.

Extremities of hold.

17.—(1.) Feeders to a hold or compartment in which bulk grain is loaded shall be so arranged as to secure a free flow of grain to all parts of that hold or compartment.

(2.) Where the distance, measured in a fore and aft line, from any part of a hold or compartment in which bulk grain is carried to the nearest feeder to the hold exceeds twenty-five feet—

(a) the bulk grain in that part shall be levelled off at a depth of at least six feet below the deck; and

(b) the space above the bulk grain so levelled off shall be filled with bagged grain built up on a platform that complies with the next succeeding regulation.

(3.) For the purposes of regulations 13, 14, 15, 16 and 21 of these Regulations, a hold or compartment in which bagged grain is stowed in pursuance of this regulation shall be deemed to be wholly filled with bulk grain.

Platforms.

18. A platform required by regulation 13 of these Regulations or by the last preceding regulation shall consist of—

(a) boards that are not less than one inch thick and four inches wide, are spaced not more than four inches apart and are laid on bearers that are not less than one inch thick and four inches wide and are spaced not more than four feet apart; or

(b) tarpaulins or other strong material overlapped to the satisfaction of a surveyor.

Stowing of light bulk grain.

19.—(1.) Where a ship is carrying light grain in bulk, the grain shall—

(a) in the case of a single deck ship—be stowed in the holds or superstructures; or

(b) in any other case—be stowed in the holds or ‘tween decks.

(2.) Where light grain in bulk is stowed in a ‘tween deck or a shelter deck, bulkheads shall be fitted to divide the ‘tween deck or shelter deck into compartments, none of which shall be greater than seventy feet in length.

Stowing of heavy bulk grain above deck.

20. Where heavy grain in bulk is carried in a ship, the grain shall not, except where it is stowed in feeders or bins, be stowed—

(a) in the case of a single deck ship—above deck;

(b) in the case of a two deck ship—in the ‘tween deck; or

(c) in the case of a ship having more than two decks—in the uppermost ‘tween deck.

Heavy grain in bins.

21. Heavy grain in bulk shall not be carried in a bin unless—

(a) the hold or compartment immediately below the bin is wholly filled with bulk grain and is battened down clear of the feeder to the hold or compartment;

(b) the weight of the grain carried in the bin, and in all other bins and feeders on the same deck as the bin, is not greater than twenty-three per centum of the weight of all cargo below that deck;

(c) the capacity of the bin is eight thousand cubic feet or less; and

(d) where the distance between the feeder to the bin and any wall of the bin exceeds twenty feet—the space beyond that distance is filled with bagged grain or other cargo to the satisfaction of a surveyor.

Feeder, bin and bulkhead strength and construction.

22. A feeder or bin, or a bulkhead of a compartment, that contains bulk grain shall be grain-tight and of sufficient strength to withstand the head of grain.

Construction of wood feeders and bin bulkheads.

23.—(1.) A feeder (including a wing feeder), or a bulkhead of a bin, that contains bulk grain shall be constructed—

(a) of vertical planks, each of which shall be not less than two and one half inches in thickness or, if the vertical unsupported span of a plank exceeds eight feet, of such greater thickness, or with such stiffening, as is approved by a surveyor;

(b) of studding—

(i) the sections of which shall be not less than four inches by six inches;

(ii) that, in the case of a feeder, is placed, where possible, inside the hatch coamings;

(iii) that is spaced not more than two feet between centres; and

(iv) that is lined with grain-tight planks not less than two inches in thickness or. with two one-inch horizontal layers of shiplap laid to break the joints; or

(c) in such other manner as is approved by a Deputy Director.

(2.) Planks at a corner of a feeder or bin shall be well secured.

Feeding holes.

24.—(1.) Where the depth of the hatch end beams or coamings of a hatch containing bulk grain exceeds fifteen inches below the surface of the deck, feeding holes spaced approximately two feet apart shall be provided to allow the grain to flow through the beams or coamings into the hold or ‘tween decks.

(2.) Where the depth of the hatch end beams or coamings below the surface of the deck exceeds fifteen inches but does not exceed eighteen inches, the feeding holes shall be not less than two inches in diameter and, where that depth exceeds eighteen inches, the feeding holes shall be not less than three and one-half inches in diameter.

Division of continuous holds.

25. Where—

(a) a ship has one continuous hold forward, or one continuous hold aft, with more than one hatch to that hold; and

(b) bulk grain is stowed in that hold,

the hold shall have a bulkhead constructed to the satisfaction of a surveyor that extends from side to side of the ship between each hatch.

Separation of grain from stokehold bulkheads.

26.—(1.) Where—

(a) a bulkhead of a hold in which bulk grain is stowed is an engine-room bulkhead, a stokehold bulkhead or a bulkhead of a donkey-boiler recess; and

(b) the bulkhead is or is likely to be subjected to heat,

the bulk grain shall be separated from the bulkhead by an air space of at least six inches by means of wood planking.

(2.) The wood planking referred to in the last preceding sub-regulation shall—

(a) be supported to the satisfaction of a surveyor by uprights fitted inside the air space;

(b) consist of either one thickness of two-inch planks fitted horizontally or of two thicknesses of one-inch planks fitted horizontally and laid so as to break the joints; and

(c) be grain-tight.

(3.) The air space referred to in this regulation shall be provided with—

(a) a box trunk ventilator, with a section measuring not less than six inches by eight inches, extending from the top of the air space to a ventilator or a clear portion of a hatchway; or

(b) other means of ventilation or insulation to the satisfaction of a surveyor.

Division 3.—Grain in Bags.

Master, owner and agent responsible for complying with this Division.

27. Where a ship is carrying a cargo of grain in bags, the master, owner or agent of the ship shall not take the ship to sea, or permit the ship to be taken to sea, unless the requirements of this Division have been complied with in relation to the grain.

Hatches to be left off in certain circumstances.

28. Where—

(a) a hold is entirely filled with grain in bags; and

(b) grain in bags is stowed in a ‘tween deck above that hold,

the’ tween deck hatches shall be left off.

Bags to be sound.

29. Bags in which grain is carried on a ship shall be sound, well filled and securely closed.

Bilges to be clean, etc.

30.—(1.) Where a steamship is carrying grain in bags—

(a) the bilges and wells shall be clean; and

(b) effective measures shall be taken to prevent grain from entering the bilges, wells or scuppers, but so as not to make the coverings over the bilge suction bays, wells or scuppers watertight.

Sailing ships.

31. Where grain in bags is carried in a sailing ship, provision to the satisfaction of a Deputy Director shall be made to prevent the grain from shifting and with respect to dunnage.

THE SCHEDULES.

First Schedule.

Form A.  Regulation 7.

Commonwealth of Australia.

Navigation (Grain) Regulations.

NOTICE OF INTENTION TO LOAD GRAIN.

To

I,	*Master	of the ship described hereunder,
	, the *Owner
	*Agent
give notice that grain will be loaded in the ship at the port of
and furnish the following particulars in connexion therewith:—

Particulars relating to Ship.

1. Name of ship
2.Port of Registry and Official No.
3. Type of ship
4. Registered tonnage	Gross	Net
5. Number of laid decks
6. Deadweight cargo capacity (tons)
7. Freeboard (loaded)
8. Mean draught (loaded)
9. Tons per inch immersion on loaded draught
10. Daily consumption—
Fuel
Water
11. Name of master
12. Name of owners or agents
13. Port of destination
14. Route
15. Next port of call

Particulars relating to Loading, etc.

1. Total quantity of grain to be loaded (tons)
Bulk	Bagged
2. Kind of grain
3. Compartments to be used
Number of compartment.		Weight, in tons, to be loaded in compartment.			Cubic capacity (hold).
		Hold.	Feeders.	Bin.
Stowage factor...................................
4. Holds will be clear for inspection on
5. Loading will commence on
6. Ship will be lying at

 (Signature of Master, Owner or Agent).

 Date

* Strike out whichever is not applicable.

First Schedule—continued.

Form B. Regulation 8.

Commonwealth of Australia.

Navigation (Grain) Regulations.

MASTER’S REPORT.

In respect of the Loading of Grain.

To

I, , the Master of , hereby furnish the following particulars in respect of the loading of grain into that

ship:—

Kind of grain loaded.	Stowage. (Tons.)					Draught on departure. (Feet and inches.)
Bulk..............Holds
..............Bins
Forward.......................
..............Feeders					Aft...............................
Total	Mean...........................
		Bags..............’Tween decks
		..............Holds
Total
		Grand total

The ship’s statutory freeboard is—

Summer........................

Winter..........................

The ship’s actual freeboard is........................

 (Signature of Master).

date.

Second Schedule.

Regulations 13 and 14.

shifting boards made of wood.

1 Shifting boards shall—

(a) be not less than two inches thick;

(b) be made of sound timber;

(c) be fitted grain-tight; and

(d) be supported by uprights.

2. The maximum distance from centre to centre of the uprights shall, according to the thickness of the shifting boards, be in accordance with the following table:—

Thickness of boards.	Maximum distance between centres of uprights.
Less than 2½ inches	8 feet
Less than 3 inches, but not less than 2½ inches	11 feet
Not less than 3 inches	13 feet

Second Schedule—continued.

3.—(1.) Shifting boards shall be securely housed at bulkheads by means either of permanent angle bars or of wood cants suitably shored and measuring not less than six inches in width and three inches in thickness.

(2.) The housing shall be not less than three inches.

4.—(1.) Where shifting boards of a thickness of two and one-half inches or more are used, the boards may be butt-jointed at the uprights if not less than four inches of the end of each board is supported.

(2.) Where shifting boards of a thickness of less than two and one-half inches are used, the joints shall overlap by at least nine inches at the uprights.

5. Subject to the next succeeding paragraph, the construction and dimensions of an angle bar upright used in association with wire stays shall be in accordance with Specification No. 1 or Specification No. 2 set out below.

Specification no. 1.

(a) Each upright shall consist of four angle bars 4″ x 4″ x 4/10″, and a steel plate 11½″ x ½″ extending the full length of the upright, riveted to form one complete structure allowing 4″ housings on both fore and after sides.

(b) Equivalent brackets riveted to head and heel shall be fitted, each to take five ⅞″ bolts with corresponding lugs or angles, or combination of lugs and angles, on tank top, tunnel top, deck beams or hatch webs.

Specification No. 2.

(a) Each upright shall consist of two angle bars, the minimum size of which shall be determined in accordance with the following table:—

Horizontal distance between centres of uprights.	Vertical spans supported by each stay.	Minimum sizes of angle bars.
8 feet ..	3 inches by 3 inches by .38 inch
8 feet (2 inch shifting boards)	11 feet ..	3½ inches by 3½ inches by .38 inch
14 feet ..	4½ inches by 3½ inches by .44 inch
8 feet ..	3 inches by 3 inches by .38 inch
11 feet (2½ inch shifting boards)	11 feet ..	4 inches by 3½ inches by .40 inch
14 feet ..	6 inches by 3½ inches by .40 inch
8 feet ..	3 inches by 3 inches by .38 inch
13 feet (3 inch shifting boards)	11 feet ..	4 inches by 3½ inches by .42 inch
14 feet ..	6 inches by 3½ inches by .40 inch

Second Schedule—continued.

(b) The angle bars shall be—

(i) connected at head and heel to the tank top, tunnel top, deck beams or hatch webs by angle lugs having two ⅞″ bolts in each upright and equivalent fastenings to tank top, tunnel top, deck beams or hatch webs; and

(ii) bolted together through the shifting boards by ⅞″ bolts spaced not more than four feet apart.

6. Where shifting boards of less than two and one-half inches in thickness are used, angle bar uprights of a construction and with dimensions in accordance with Specification No. 1 set out in the last preceding paragraph shall not be fitted.

7. A wood upright shall be not less than ten inches in width and two inches in thickness or, if supported with wire stays, not less than eleven inches in width and three inches in thickness.

8. A wood upright shall be cleated to the tank top or ceiling where fitted.

9. Where a wood upright is not securely housed at the top, the head shall be secured by supporting shores or stays attached to the upright not more than eighteen inches from the deck or the top of the upright.

10. a pillar in a hold or compartment shall not be used for supporting shifting boards unless—

(a) a certificate having effect as a classification certificate for the purposes of Part IV. of the Navigation Act 1912-1958 is in force in respect of the ship; or

(b) the Deputy Director has approved the use of the pillar for that purpose.

11. Where pillars that are not staggered are used for supporting shifting boards, the boards shall be attached to the pillars—

(a) by means of hook-bolts and vertical tie-plates; or

(b) by uprights secured to the pillars.

12. The tie-plates referred to in the last preceding paragraph shall—

(a) consist of plates not less than three inches in width and not less than one-half of an inch in thickness; and

(b) be through-bolted to the pillars at intervals of not more than three feet.

13. Wood uprights shall be supported—

(a) by steel wire rope stays set up at the ship’s side;

(b) by wood shores securely heeled against the permanent structure of the ship, other than directly against the ship’s side plating; or

(c) by other means approved by a surveyor.

14. A wood shore shall be of sound timber in a single piece.

15. Subject to paragraph 21 of this Schedule, in a hold, the uppermost shore shall be not more than seven feet below the top of the upright, the lowermost shore shall be not more than eight feet above the heel support and the intermediate shores shall be spaced not more than seven feet apart.

Second Schedule—continued.

16. The minimum size of a wood shore shall, according to its length and type of section, be in accordance with the following table:—

 

Length of shore.	Minimum size.
	Rectangular section.	Circular section.
Not exceeding 16 feet ..........................................	6 inches by 4 inches	5½ inches diameter
Exceeding 16 feet, but not exceeding 20 feet	6 inches by 6 inches	7 inches diameter
Exceeding 20 feet, but not exceeding 24 feet	8 inches by 6 inches	7½ inches diameter
Exceeding 24 feet, but not exceeding 28 feet	8 inches by 6 inches	8 inches diameter
Exceeding 28 feet ................................................	8 inches by 6 inches	8½ inches diameter

17. A wood shore exceeding twenty-four feet in length shall be securely bridged at approximately mid-length.

18.-—(1.) Where practicable, the angle between a shore and the surface to be supported shall not exceed ten degrees from the horizontal but that angle shall not, in any case, exceed forty-five degrees.

(2.) Where a shore is fitted at an angle exceeding ten degrees from the horizontal, the size of the shore shall be not less than that of the next larger minimum size required by paragraph 16 of this Schedule.

19.—(1). Subject to paragraph 21 of this Schedule, where an upright in a hold is supported with wire stays—

(a) in the case of a hold of twenty feet or less in depth—there shall be fitted at least one stay on each side of the upright, each being attached at approximately one third of the depth of the hold from the under deck and

(b) in any other case—there shall be fitted at least two stays on each side of the upright, an upper stay being attached at approximately one quarter of the depth of the hold from the under deck and a lower stay being attached at approximately half the depth of the hold.

(2.) The stays required by this paragraph are in addition to any stays used to secure an upright at its head or heel.

(3.) For the purposes of this paragraph, the depth of a hold shall be measured from the underside of the deck above the hold to the bottom of the hold.

20. Where a wire stay is used to support an upright, the following provisions shall be complied with:—

(a) The stay shall be of three-inch-circumference flexible steel wire rope and be fitted horizontally.

(b) A rigging screw used in connexion with the stay shall be one and one quarter inches in diameter and shall be fitted in an accessible position.

(c) A shackle used in connexion with the stay shall be one inch in diameter.

(d) The eye bolts through the uprights shall be one and one-quarter inches in diameter.

(e) Screw bolts and nuts of seven-eighths inches diameter shall be used for securing the wood uprights or steel angle bars.

(f) Eye plates of one inch thickness shall be securely riveted to the side stringers or frames or, alternatively, one inch shackles shall be passed through the frames.

21. Where shifting boards do not extend the full depth of a hold, the supporting shores or stays shall be spaced to the satisfaction of a surveyor.

By Authority: A. J. Arthur, Commonwealth Government Printer, Canberra.