regulations respecting anhydrous ammonia (repealed)€¦ · 28 inspection and special fees part ii...

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ANHYDROUS AMMONIA SR 361/77

Regulations RespectingAnhydrous Ammonia

Repealedby Chapter B-5.1 Reg 1 (effective January 1, 2007)

FormerlySaskatchewan Regulations 361/77 (effective November 30, 1977) as

amended by Saskatchewan Regulations 86/83.

NOTE:This consolidation is not official. Amendments have beenincorporated for convenience of reference and the original statutesand regulations should be consulted for all purposes of interpretationand application of the law. In order to preserve the integrity of theoriginal statutes and regulations, errors that may have appeared arereproduced in this consolidation.

ANHYDROUS AMMONIASR 361/77

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Table of Contents

1 DefinitionsPART I

Vessel Design and Construction

2 Approved vessels3 Maximum size of vessels4 Vessel design registration5 Stamping and Manufacturer’s Affidavit6 Shop inspection7 Welders tests and welding procedure8 Vessel design pressure9 Hot-formed heads

10 Baffle plates11 Manhole opening12 Manufacturer to supply fittings12.1 Storage tank requirement13 Valves, fittings and piping14 Dual fittings, excess flow and check valve15 Protection of fittings16 Relief valves and settings17 Relief valve capacity18 Accessory relief valves19 Pressure gauge20 Vessel to be painted21 Use for propane prohibited22 Transport vessel limitations23 High and low pressure hose24 Lower pressure fittings25 Inspection before use26 Welded repairs27 Vessels may be sealed28 Inspection and special fees

PART IIStorage Facilities

29 Application to construct30 Application to be accompanied by plan and profile31 Scale of plan and profile32 Identification of drawings

33 Distances to be shown on plan34 Location of right-of-way, etc. to be shown35 Drawing notes or legend36 Distances between storage tanks and tracks37 Distance between storage tanks and buildings, etc.38 Distances between pumps, compressors and buildings, etc.39 Distances between transport tank and storage tank40 Grounding of storage tanks41 Installation of storage tanks

PART IIITemporary Storage and Distribution Facilities

42 Unloading regulated43 Application for temporary facility44 Conditions of approval

PART IVHandling

45 Compliance responsibility46 Operator training47 Informing the workers48 Safety equipment49 Additives prohibited50 Loading and unloading51 Fire department awareness

PART VTransportation

52 Transport tank registered by Highway Traffic Board53 Parking of transport tanks54 Transport tank not registered by Highway Traffic

Board

PART VILicences and Fees

55 LicencesPART VII

Other Required Approvals

56 Other authorities

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SASKATCHEWAN REGULATIONS 361/77The Boiler and Pressure Vessel Act

REGULATIONS RESPECTING ANHYDROUS AMMONIA

Definitions1 In these regulations, the expression:

(a) “Act” means the Boiler and Pressure Vessel Act;

(b) “Anhydrous Ammonia” means the product with the chemical formulaof NH3 in either a liquid or gaseous state which is normally stored,transported or otherwise contained in a pressure vessel under pressure andused as a liquid fertilizer;

(c) “A.N.S.I.” means American National Standards Institute;

(d) “applicator tank” means a pressure vessel designed for use with, andattachment to, equipment for applying anhydrous ammonia to the soil;

(e) “approved” unless otherwise stated, means approved by or under theauthority of the chief inspector;

(f) “A.S.M.E.” means the American Society of Mechanical Engineers;

(g) “C.S.A.” means the Canadian Standards Association;

(h) “C.T.C.” means the Canadian Transport Commission;

(i) “D.O.T.” means the Department of Transport of the United States ofAmerica;

(j) “Highway Traffic Board” means highway traffic board establishedpursuant to the Vehicles Act;

(k) “portable cylinder” means a pressure vessel constructed, tested andmarked in accordance with C.T.C. or D.O.T. specifications and approved bythe chief inspector;

(l) “portable tank” means a pressure vessel, other than a portable cylinder,and if attached to any vehicle for the transportation of the said anhydrousammonia will then be considered as a transport tank and subject to theseregulations;

(m) “storage tank” means any pressure vessel designed in accordance withthese regulations for storing or containing anhydrous ammonia;

(n) “towing motor vehicle” means a self propelled vehicle for theconveyance of people or goods on public roads and consisting of a bus, car,truck or power unit but not including vehicles moving on rails, motorcycles, allterrain vehicles, snowmobiles or farm tractors;


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(o) “transport tank” means a pressure vessel other than a railway tankcar, designed to be permanently mounted on a conveyance either selfpropelled or designed for a trailer unit and used for containing andtransporting anhydrous ammonia from a production facility to a storage anddistribution facility or from a storage and distribution facility to an applicator;

9 Dec 77 SR 361/77 s1.

PART I

Vessel Design and Construction

Approved vessels2(1) No pressure vessel other than an approved portable cylinder, an approvedstorage tank, transport tank, portable tank, applicator tank, or other pressurecontainer designed, constructed and fitted in accordance with these regulationsshall be used for the storage, delivery or application of anhydrous ammonia.

(2) It shall be a violation of these regulations to construct, sell, lease, use or fillany vessel or container with anhydrous ammonia which does not meet all therequirements of these regulations.

9 Dec 77 SR 361/77 s2.

Maximum size of vessels3(1) For any vessel used as a transport tank, the maximum capacity shall be aslimited by the Highway Traffic Board.

(2) For any vessel used for temporary mounting on any truck or trailer themaximum capacity shall be as limited by the Highway Traffic Board.

9 Dec 77 SR 361/77 s3.

Vessel design registration4(1) Every pressure vessel including bulk storage tanks, used storage tanks,transport tanks, portable tanks and applicator tanks shall have their designapproved and shall be registered by the department prior to construction or entryinto the province for which purpose the manufacturer shall submit design drawingsand specifications to the chief inspector in duplicate in accordance with therequirements of C.S.A. Code B51.

(2) When a vessel design has been approved and registered, any design orconstruction changes including material changes, will require re-approval and re-registration unless they are of a minor nature.

9 Dec 77 SR 361/77 s4.

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Stamping and Manufacturer’s Affidavit5 Where a pressure vessel design has been approved and registered and theregistration number allotted thereto by the department, vessels may be constructedaccording to such design in any number unless the design is cancelled by thedepartment or becomes obsolete due to revisions in the regulations or in the codes,rules or standards referred to herein provided that the following requirements arecomplied with:

(a) every pressure vessel is constructed in strict accordance with the designwhich has been approved and registered, including the vessel dimensions, thethickness of shell and heads, the A.S.M.E. material specifications and allother design details, and all welding is in accordance with a tested and provenprocedure meeting the requirements of any regulations applicable thereto;

(b) each such pressure vessel or name plate permanently attached thereto isstamped according to A.S.M.E. code requirements and shall include thefollowing:

(i) Saskatchewan Registration Number of National Board stamping orboth,

(ii) Manufacturer’s name and manufacturer’s serial number,

(iii) Plate specification number and tensile strength for both shell andheads,

(iv) Thickness of shell and heads,

(v) Registered maximum design pressure,

(vi) A.S.M.E. Code paragraph number and year built,

(vii) Diameter and overall length,

(viii) Water capacity in Imperial gallons or both Imperial and U.S.gallons,

(ix) The words “FOR ANHYDROUS AMMONIA”;

(c) a Manufacturer’s Affidavit certifying the construction in accordance withapproved designs shall be submitted to the chief inspector for each pressurevessel to be used in the Province of Saskatchewan simultaneously with thepressure vessel being shipped and a copy of same is forwarded with thepressure vessel to the consignee;

(d) the Manufacturer’s Affidavit shall include thereon a certificate of shopinspection signed by the authorized shop inspector.

9 Dec 77 SR 361/77 s5.

Shop inspection6 For acceptance by the department each pressure vessel exceeding 5 cubic feet(0.1416m3) in volume shall be shop inspected during construction and if constructedin Canada the authorized shop inspector shall be a provincial government boiler orpressure vessel inspector. In the United States of America, the shop inspector shallhold a National Board Commission and be employed by a Code State or boilerinsurance company.

9 Dec 77 SR 361/77 s6.


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Welders tests and welding procedure7(1) Welders, including welding machine operators employed on the constructionof any pressure vessel shall have been tested within an eighteen month periodwhich tests shall have been witnessed or certified to by an authorized inspector asspecified for shop inspection in section 6.

(2) Welders tests shall have been in accordance with Section IX of the A.S.M.E.“Welding Qualifications Code”, and a record of same on Form Q-1(g) as specified inappendix 2 of the code shall be made available to the department. The signature ofthe authorized inspector certifying to the welders test shall appear on form Q-1(g).

(3) Where the welders have not been tested as specified in subsection (1) weld testcoupons may be ordered cut from the pressure vessel by a department inspectorand shall be tested in accordance with subsection (2) and if the coupons fail thevessel shall be sealed and its use prohibited.

(4) In addition to the welders tests specified in subsections (1) and (2) the weldingprocedure shall be established, tested and proven by the manufacturer whichprocedure and tests shall include the filler metal to be used in actual constructionand records of same forwarded to the department for registration.

9 Dec 77 SR 361/77 s7.

Vessel design pressure8 Every pressure vessel, except a transport tank shall be designed for a minimumpressure of 250 p.s.i.g. (1723.7 kPa gauge) in accordance with the A.S.M.E. code.

9 Dec 77 SR 361/77 s8.

Hot-formed heads9 Every pressure vessel shall be constructed with hot-formed heads to eliminatestress corrosion cracking provided that where such heads are not available thefollowing may be used as an alternative:

(a) cold formed heads stress relieved in an approved manner prior to vesselfabrication;

(b) stress relieving of the entire vessel after fabrication;

(c) pressure vessels intended for anhydrous ammonia service which areconstructed using heads or off set joints that are cold formed shall be subjectto post weld heat treatment.

9 Dec 77 SR 361/77 s9.

Baffle plates10 Baffle plates are not mandatory in anhydrous ammonia pressure vessels but,where they are included, they shall be shown on the design drawings.

30 Jne 83 SR 86/83 s3.

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Manhole opening11 Every pressure vessel having a water capacity of 13,638 litres or more shall beconstructed with a manhole opening meeting A.S.M.E. requirements.

9 Dec 77 SR 361/77 s11; 30 Jne 83 SR 86/83 s4.

Manufacturer to supply fittings12(1) Every pressure vessel shall be fitted by the manufacturer with approvedfittings including safety relief valves meeting the requirements of sections 16and 17 and all such fittings shall be especially designed for use with anhydrousammonia, or iron, steel or certain non-ferrous alloys unaffected by ammonia.Brass, copper or galvanized fittings shall not be used.

(2) Unless filling is controlled by weighing, tanks shall be equipped with a fixedtube liquid level, a rotary tube, an adjustable slip tube gauge, or other gaugingdevice that will ensure that the maximum permitted filling density is not exceeded.If the gauging device is a float type or pressure differential type, the tank shall alsobe provided with a fixed tube, rotary tube, or adjustable slip tube gauge.

(3) Gauge glasses of the columnar type shall be equipped with shut-off valveshaving metallic hand wheels; excess flow valves; and extra heavy glass adequatelyprotected by a metal housing applied by the manufacturer. The gauge shall beprotected from the direct rays of the sun.

9 Dec 77 SR 361/77 s12.

Storage tank requirement12.1(1) In this section:

(a) “wear plate” means a separate piece of metal not forming part of thesupporting saddle that has dimensions of equal excess in both length andwidth to that of the supporting saddle and that is used for the purpose ofreducing wear and corrosion at the points where the tank rests on thesupporting saddles;

(b) “Zick formulae” means the formulae developed by L. P. Zick for“Stresses in Large Horizontal Cylindrical Pressure Vessels on Two SaddleSupports” published in Pressure Vessels and Piping: Design – Analysis Volume Two – Components and Structural Dynamics – ASMECopyright 1972.

(2) Every design for a storage tank that has a water capacity of 37,732 litres ormore shall provide for the inclusion of wear plates that:

(a) have a minimum thickness of 8 millimetres;

(b) have a minimum width = W + 1.56 Rts , where:

(i) R = radius of tank in millimetres;

(ii) ts = tank shell thickness in millimetres; and

(iii) W = width of supporting saddle in millimetres;


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(c) attach to the tank shell by continuous weld around the entire perimeterof the wear plates;

(d) are located at points where the tank will rest on the supporting saddles;and

(e) have a hole, 12 millimetres in diameter, in the centre for the purpose ofreleasing gases trapped during attachment.

(3) Where approval and registration is requested for the design of a storage tankhaving a capacity of more than 113,195 litres:

(a) the design is to be supported by stress calculations using the Zickformulae; and

(b) where those calculations show the need for stiffening rings, designcalculations for the rings shall be shown.

(4) The specifications for stiffening rings mentioned in subsection (3) are asfollows:

(a) rings are to be designed in accordance with the Zick formulae;

(b) rings are to be of one-piece fabrication or, if made in sections, assembly ofthe rings is to be with full penetration welds;

(c) rings may be attached to the shell by continuous or intermittent weldingas follows:

(i) the total length of the intermittent welding is to be not less than onethird of the circumference of the tank;

(ii) spacing between intermittent welds is to be not more than 12 timesthe tank shell thickness;

(iii) welds on opposite sides of the stiffener may be either staggered orin line; and

(d) a gap in the ring for drainage and venting, at the bottom and toprespectively, of not more than eight times the ring thickness is to be providedbetween the tank shell and the ring.

(5) Supporting saddles shall:

(a) be shown on design drawings for storage tanks submitted for approval;

(b) if not made of reinforced concrete, be:

(i) designed to rest on flat topped reinforced concrete supports; and

(ii) of welded construction;

(c) be designed to match the curvature of the tank being supported and havea minimum bearing surface of 120 degrees;

(d) have a minimum factor of safety of five; and

(e) be provided with a suitable means of preventing corrosion betweensupporting saddles and the shell wear plates.

30 Jne 83 SR 86/83 s5.

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Valves, fittings and piping13(1) Valves and fittings subject to tank pressure shall be designed for aminimum working pressure of 250 p.s.i.g. (1723.7 kPa gauge) steam rating or 400p.s.i.g. (2757.9 kPa gauge) W.O.G. rating (water, oil or gas) as specified in A.N.S.I.B16.5.

(2) Pressure piping shall confirm to the specifications of A.N.S.I. B31.3.

(3) Where subject to tank pressure cast iron or galvanized pipe or fittings shallnot be used.

(4) For steel or wrought iron pipe, Schedule 40 may be used for weldedfabrication, but where screwed joints are used, such pipe shall be Schedule 80.

9 Dec 77 SR 361/77 s13.

Dual fittings, excess flow and check valve14(1) Every pressure vessel opening, except openings for safety relief valves andopenings protected by a controlling orifice of not more than 8 millimetres indiameter for vapour withdrawal and No. 54 drill size (1.4 millimetres) for liquidwithdrawal, shall be fitted with dual fittings as follows:

(a) a manual operated shut-off valve in conjunction with either:

(i) a back pressure valve; or

(ii) an excess flow valve;

(b) a combination excess flow valve and back pressure check valve; or

(c) a double back pressure check valve.

(2) All excess flow valves installed in liquid withdrawal lines in applicator tanksshall be of a capacity to limit the flow to a maximum of 159 litres per minute wherethey are designed to be used with 25 millimetres inside diameter hose.

30 Jne 83 SR 86/83 s6.

Protection of fittings15(1) Fittings located at the top of transport tanks, or any other pressure vesselsubject to be used for transporting anhydrous ammonia shall be recessed orotherwise protected against damage from the tank overturning by means of a steelbox structure or other approved rigid metal guards having at least the samethickness as the vessel, well braced and securely welded to the container adjacentto the fittings. Where fittings or piping is located at the end of a transport tank, orany pressure vessel used for transporting anhydrous ammonia it shall be protectedfrom collision by means of a similar steel structure and also with an adequatevehicle bumper.

(2) Provision shall be made in the piping for expansion, contraction and settling.

(3) Pipe lines shall be protected by metal guard rails against damage from trucksand other traffic.

9 Dec 77 SR 361/77 s15.


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Relief valves and settings16 Every pressure vessel shall be fitted by the manufacturer with one or morespring loaded safety relief valves designed especially for anhydrous ammonia andmarked by the manufacturer as being approved for this purpose. The markingshall also include the valve capacity and the pressure at which the valve is set torelieve which shall be not less than 240 p.s.i.g. (1654.75 kPa gauge) and not morethan 250 p.s.i.g. (1723.7 kPa gauge).

9 Dec 77 SR 361/77 s16.

Relief valve capacity17(1) The minimum rate of discharge at 120% of maximum permitted start-to-discharge pressure for safety relief valves to be used in tanks or containers shall bein accordance with the following table or the table set out on page 27 of “A.N.S.I.Standard K61.1 - 1972”:

Flow Rate - Flow Rate -Surface Area litres/second Surface Area litres/second

m2 of Air m2 of Air2 129 50 1,8134 228 60 2,1036 318 70 2,3878 403 80 2,665

10 486 90 2,93312 563 100 3,19814 640 120 3,71316 713 140 4,21718 785 160 4,70220 858 180 5,17825 1,026 200 5,64530 1,193 220 6,10335 1,355 240 6,55540 1,452

(2) In this section:

(a) “flow rate – litres/second of air” means litres per second of airrequired at standard conditions, 15.5o Celsius and atmosphericpressure (101.3 kPa);

(b) “surface area” means the total outside surface area of the container insquare metres, but when the surface area is not stamped on the name plate orwhen the marking is not legible, the area can be calculated by using one of thefollowing formulae:

(i) cylindrical container with hemispherical heads, area = overalllength in metres times outside diameter in metres times 3.1416;

(ii) cylindrical container with other than hemispherical heads, area =(overall length in metres plus 0.3 outside diameter in metres) timesoutside diameter in metres times 3.1416; or

(iii) spherical container, area = outside diameter in metres squaredtimes 3.1416.

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(3) The rate of discharge may be interpolated for intermediate values ofsurface area.

(4) For containers with a total outside surface area greater than 240 squaremetres, the required flow rate can be calculated using the formula, flow rate –litres/second of air = 73.25 A0.82, where A = outside surface area of the container insquare metres.

30 Jne 83 SR 86/83 s7.

Accessory relief valves18 Where excessive pressure may be caused in any pipe line, pump, compressor orother apparatus by the closing of valves, stops or any other device an approvedhydrostatic relief valve shall be installed which will relieve at not less than 240p.s.i.g. (1654.75 kPa gauge) and not more than 400 p.s.i.g. (2757.9 kPa gauge).

9 Dec 77 SR 361/77 s18.

Pressure gauge19(1) Every pressure vessel having a water capacity of more than 250 Imperialgallons (946.35 litres) shall be equipped by the manufacturer with a pressure gaugegraduated from 0-400 p.s.i.g. (2757.9 kPa gauge).

(2) Positive displacement pumps or compressors connected to any piping systemshall be equipped with a pressure gauge graduated from 0-400 p.s.i.g. (2757.9 kPagauge) connected directly to the pump or compressor or on the system in such amanner that it is visible to the operator.

9 Dec 77 SR 361/77 s19.

Vessel to be painted20 Every pressure vessel shall be painted white by the manufacturer or by thedistributor before being sold or used and the words “DANGER AMMONIA” shall beplainly visible on the tank in any contrasting colour. These letters are to be at least5 inches (12.7 cm) or more in height depending on the size of the vessel and to belocated on the sides of all storage tanks and on the sides and rear of all portabletanks and transport tanks.

9 Dec 77 SR 361/77 s20.

Use for propane prohibited21 All pressure vessels used for the storage or handling or propane, anhydrousammonia or any other compressed gas shall not be used for a second such gasunless the following procedures are followed:

(a) Pressure vessels must not be used for gases that are capable of combiningchemically and the use of additives that increase the rate of corrosion ordeterioration of the metal are forbidden.

(b) Before changing from one gas to any other gas all pressure vessels mustbe thoroughly purged in a manner acceptable to the chief inspector.


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(c) Pumps, hoses, valves and fittings on any pressure vessel must be thosewhich are specifically designed and approved for the named gas or liquid.

(d) It will be the responsibility of the owner of the anhydrous ammoniastorage and distribution facility to ensure the above is adhered to before fillingany pressure vessel.

9 Dec 77 SR 361/77 s21.

Transport vessel limitations22 Every pressure vessel used as a transport tank for anhydrous ammonia shallbe designed to a minimum pressure of 1825 kPa gauge.

30 Jne 83 SR 86/83 s8

High and low pressure hose23(1) All hose and hose connectors used with transport tanks, storage tanks,portable tanks, applicator tanks or other containers shall be especially designedand marked for the purpose and if subject to tank pressure shall have a minimumbursting pressure of 1,250 p.s.i.g. (8617.80 kPa gauge) and be capable ofwithstanding a test pressure at any time of not less than 500 p.s.i.g. (3447.2 kPagauge).

(2) All hose located on the low pressure side of the pressure reducing valves orflow control valves on applicator machines shall be designed for the maximum lowside working pressure.

(3) All machinery used for the application of anhydrous ammonia to the soil, andwhich tow applicator tanks during the application, shall have break-away connectorsfitted into the high pressure hoses leading from the applicator tanks to theapplicator machine.

9 Dec 77 SR 361/77 s23; 30 Jne 83 SR 86/83 s9.

Lower pressure fittings24 Fittings, metering apparatus and piping located on the low pressure side ofpressure reducing valves or flow control valves on applicator tanks and at no timesubject to tank pressure may be designed for a minimum working pressure of 125p.s.i.g. (861.81 kPa gauge).

9 Dec 77 SR 361/77 s24.

Inspection before use25(1) Every anhydrous ammonia pressure vessel before being sold, leased or putto use in Saskatchewan for the first time shall be inspected by an inspector of thedepartment and the responsibility of reporting to the department that a pressurevessel inspection is required shall be that of the person selling, leasing or installingthe pressure vessel.

(2) Responsibility for the external visual inspection and assurance that everyanhydrous ammonia pressure vessel is serviceable and free from contaminationbefore filling shall rest solely with the owner of the anhydrous ammonia storageand distribution facility.

9 Dec 77 SR 361/77 s25.

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Welded repairs26 No storage tank, transport tank, portable tank, applicator tank or otheranhydrous ammonia pressure vessel or any fitting affecting the safety thereof shallbe altered or repaired by welding except with the approval of the chief inspectorand then only by a person holding a valid Saskatchewan pressure weldingcertificate in the procedure required.

9 Dec 77 SR 361/77 s26.

Vessels may be sealed27 Any anhydrous ammonia pressure vessel violating or being used in violation ofany of the requirements of these regulations or of the Act or being used in an unsafemanner shall be sealed or otherwise removed from service by an inspector or otherauthorized officer, including an officer of the Highway Traffic Board and peaceofficer.

9 Dec 77 SR 361/77 s27.

Inspection and special fees28 Inspection and special fees shall be as outlined in the pressure vessel feeschedule under the Boiler and Pressure Vessel Act, 1977.

9 Dec 77 SR 361/77 s28.

PART II

Storage Facilities

Application to construct29 No person shall begin the construction of storage facilities for AnhydrousAmmonia without approval of the department granted on an application madetherefor.

9 Dec 77 SR 361/77 s29.

Application to be accompanied by plan and profile30 The application shall be submitted to the department together with four copiesof all drawings, including plans and profiles, which shall comply with therequirements of these regulations.

9 Dec 77 SR 361/77 s30.

Scale of plan and profile31 The plan shall be drawn to a scale of not less than 50 feet (15.24 metres) to 1inch (25 mm) and the profile to a scale of not less than 20 feet (6.09 metres) to 1 inch(25 mm).

9 Dec 77 SR 361/77 s31.

Identification of drawings32 All drawings shall be dated and bear the name of the applicant and location offacility.

9 Dec 77 SR 361/77 s32.


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Distances to be shown on plan33 The plan shall show the distances between:

(1) the storage tanks and

(a) schools; residential areas; hospitals and other similar places of publicassembly within ½ mile (0.805 km) of the said storage tank;

(b) industrial and commercial building within 1000 feet (30.5 m) of the saidstorage tank.

(2) the storage tanks and;

(a) other storage tanks and other on site structures;

(b) line of adjoining property.

9 Dec 77 SR 361/77 s33.

Location of right-of-way, etc. to be shown34 The drawing shall show the location of the railway right-of-way; propertyfences; dykes; pipe lines under roadways or railways; sewers; ditches; watercourses;highways and other similar structures that are on or give access to the InstallationsSite.

9 Dec 77 SR 361/77 s34.

Drawing notes or legend35 The “Notes” or “Legend” on the drawing shall include the followinginformation:

(a) A statement that the storage tank design meets the standards imposedby Saskatchewan Anhydrous Ammonia Regulations;

(b) Size and water capacity in Imperial gallons of all storage tanks;

(c) Type and construction of pumphouse, warehouse, compressor house, andany other building on the site;

(d) Type of motive power to be used for pumps or compressors;

(e) If served by rail indicate whether the track or tracks are private tracks orrailway company owned.

9 Dec 77 SR 361/77 s35.

Distances between storage tanks and tracks36(1) In no case shall any storage tank be located less than 20 feet (6.1 metres)from any track. This distance shall be measured from the gauge side of thenearest rail to the nearest point on the tank shell.

(2) The following minimum distance from the gauge side of the nearest rail of themain track to the nearest point on the tank shell shall be observed;

Water Capacity (Imperial gallons) (litres) Minimum Distanceat 60oF (15.6oC) Single tank (Feet)

0 to 2,000 (9464 Litres) ....................................................... 20 (6.1 m)2,001 to 10,000 (9465 litres to 45.425 kl)............................ 50 (15.2 m)10,001 and up (45.426 kl and up) ....................................... 75 (22.9 m)

9 Dec 77 SR 361/77 s36.

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Distance between storage tanks and buildings, etc.37(1) The distances prescribed in this section shall be measured from the nearestpoint on the tank shell to the nearest point of the building, property line, etc.

(2) Every storage tank or combination of storage tanks with a water capacityexceeding 9,000 litres shall be at least 15 metres from any location on anotherproperty or from a source of drinking water, such as a reservoir, well or spring.

(3) In the case of any tank or combination of tanks with a water capacity of 9,000litres or less, the distance of the tank from any location on another property shall beat least 7.5 metres.

(4) Where the storage tank is part of a water treatment system, no minimumdistance of the tank from a source of drinking water is required.

(5) The distances between storage tanks or any combinations of tanks fromschools, institutions, industrial and commercial buildings or other similar places ofpublic assembly, isolated residences or residential areas, except residences andoffices forming part of the storage or distribution facility, shall be at least thosedistances set out as follows:

Water Capacity of Tank or Minimum Distance FromCombination of Tanks (litres) Tank (metres)

more than 2,000 but not more than 9,000 ........................... 75more than 9,000 but not more than 90,000 ......................... 150more than 90,000 but not more than 350,000 ..................... 300more than 350,000 ................................................................ 600

The distances and capacities set out in this table also apply to unattended parkingof transport tanks.

(6) No storage tank with a capacity of more than 9,000 litres shall be locatedwithin the boundary of a city, town, village or hamlet.

(7) The distance between storage tanks or any combination of storage tanks witha total capacity of more than 9,000 litres but not more than 350,000 litres and theboundary of a city, town, village or hamlet shall be at least one kilometre.

(8) The distance between storage tanks or any combination of storage tanks witha total capacity of more than 350,000 litres and the boundary of a city, town, villageor hamlet shall be at least two kilometres.

(9) Except as provided in subsection (11), the distance of a storage tank with awater capacity of more than 450 litres from any building on the installation sitethat is used exclusively by the company owning or operating the installation shallbe at least three metres.

(10) No tank with a water capacity of 450 litres or less shall be located lessthan 1.5 metres horizontally from a building opening located at the same level asthe tank vent or within 1.5 metres above the vent.

(11) Where the construction or occupancy of any building mentioned in sub-section (9) is of such a nature as to constitute a hazard to the storage area, asdetermined by an official of the department, the distance between a building andthe closest tank with a water capacity exceeding 450 litres shall be at least 15metres.


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(12) The clear distance between two storage tanks with an individual watercapacity of 4,550 litres or more shall be at least 1.5 metres.

(13) The clear distance between a tank containing anhydrous ammonia and atank containing a flammable liquid shall be at least six metres, but installationswith a storage capacity exceeding 681,000 litres of water measured at 15.5o Celsiusshall be located at least 30 metres from the above-ground storage of flammableliquids.

(14) No storage tank shall be located within a dyked area containing a flammableliquid storage tank.

30 Jne 83 SR 86/83 s10.

Distances between pumps, compressors and buildings, etc.38(1) Pumphouses or compressor houses and outdoor pumps or compressorsdriven by non-explosion proof motors or internal combustion engines shall belocated not less than 10 feet (3.04 metres) from any storage tank, loading orunloading point, or building.

(2) The distance requirement or subsection (1) of this section does not apply tooutdoor pumps or compressors driven by explosion proof motors marked or labelledClass I, Division I, Group D and wired in accordance with the Canadian ElectricalCode for Class I, Division I, Group D locations.

(3) The distance of pumphouses or compressor houses and outdoor pumps orcompressors from any location on another property which may be built on shall notbe less than 25 feet (7.6 metres).

9 Dec 77 SR 361/77 s38.

Distances between transport tank and storage tank39 The distance between a transport tank and a storage tank during loading orunloading operations shall not be less than 10 feet (3.04 metres) measured betweenthe nearest points on the two tanks.

9 Dec 77 SR 361/77 s39.

Grounding of storage tanks40 Each storage tank with a water capacity exceeding 1,000 Imperial gallons (4.7kL) shall be electrically grounded for protection against lightning with theresistance to ground being as low as possible and preferably not in excess of 6 ohms.

9 Dec 77 SR 361/77 s40.

Installation of storage tanks41(1) The below ground installation of storage tanks is prohibited.

(2) The site on which the storage tank and associated apparatus is installed shallbe protected by a six feet (2 metres) high chain link or equivalent fence and posted“DANGER AMMONIA” (letters to be a minimum of five inches high painted on awhite background).

9 Dec 77 SR 361/77 s41.

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PART III

Temporary Storage and Distribution Facilities

Unloading regulated42 No person shall unload anhydrous ammonia direct from a rail tank car to atransport tank except as provided in this part:

9 Dec 77 SR 361/77 s42.

Application for temporary facility43(1) Application for approval for direct rail tank car to transport tank unloadingoperation of anhydrous ammonia shall be made in writing to the departmentspecifically detailing:

(a) the site plan with clearance distances to adjacent buildings, railroadright of way, and property boundaries;

(b) the reasons for requesting direct rail tank car to transport tankunloading;

(c) the time period for operation.

(2) Approval to operate direct rail tank car to transport tank unloading facilitieswill not be granted for periods in excess of one year.

9 Dec 77 SR 361/77 s43.

Conditions of approval44 No approval under section 43 shall be given unless the following provisionshave been complied with:

(a) a dead end siding restricted to anhydrous ammonia rail tank cars isprovided by the owner rail track facility;

(b) tracks are level;

(c) the siding is protected by a locked switch or a locked derail device;

(d) all metal tanks, piping and other equipment are effectively connected toa ground electrode;

(e) workers engaged in unloading and loading activities have effectivemeans of communications to other responsible individuals, if no other workeris in the immediate area;

(f) installation and use of electrical equipment complies with section 20 ofthe Canadian Electrical Code C22.1-1975 as pertaining to bulk storage plants;

(g) portable fire extinguishers are available for extinguishing electrical andother small fires;


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(h) proper manifolding and valving is employed to ensure that neithertransport tank or the rail tank car is exposed to pressures exceeding thedesign limited of the vessel.

(i) the site on which the tank car is parked is protected by a six feet highchain link fence or equivalent and posted “DANGER AMMONIA” (letters tobe a minimum of five inches high painted on a white background).

9 Dec 77 SR 361/77 s44.

PART IV

Handling

Compliance responsibility45(1) An owner of an anhydrous ammonia storage or distribution facility, orvehicle as the case may be shall be responsible for the compliance with theprovisions of this part by himself and persons employed by him.

(2) An owner of an Anhydrous Ammonia storage or distribution facility shallretain a record of names and addresses of all purchasers of Anhydrous Ammoniaand shall ensure that each purchaser is aware of the hazards of handlingAnhydrous Ammonia and the proper use of personal protective equipment.

9 Dec 77 SR 361/77 s45.

Operator training46 Operator Training:

(1) Workers other than operators must be under the immediate supervision of anoperator when involved in transferring anhydrous ammonia.

(2) Operators involved in handling anhydrous ammonia shall be competentlytrained by knowledgeable persons from manufacturing companies, employerassociation training schools and/or other agencies acceptable to the Department ofLabour with respect to the potential hazards and safe operating procedures,including specifically the following:

(a) transferring anhydrous ammonia from rail tank car or transport tank tostorage facilities, storage facilities to transport tank and transport tank tofield applicators;

(b) proper use of personal protective equipment;

(c) proper rescue procedures in emergency situations including the evacuationof other workers not involved in the control of leaks or spills;

(d) proper first-aid techniques for the hazards from accidental contact withskin, eyes and inhalation;

(e) proper procedures in handling spills and leaks, including where practicabledecontamination procedures.

9 Dec 77 SR 361/77 s46.

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Informing the workers47 All operators and other workers at an anhydrous ammonia storage anddistribution facility shall:

(a) be made aware of location of emergency fire fighting equipment andinstructed on the use of such equipment;

(b) be informed of location and use of shut-off valves;

(c) be informed of pre-arranged procedures for obtaining emergency medicalcare;

(d) be advised of hazards relating to use of metals not suitable for ammonia;

(e) be instructed on proper grounding procedures on metal tanks, piping andother equipment;

(f) be informed of the type and location of communication equipment and thename of a responsible individual who may be contacted, if no other worker isin the immediate area; and,

(g) be instructed not to wear contact lens if individual requires correction forvision; and,

(h) be instructed to immediately notify the fire department serving the areaof any fire in the vicinity which might endanger the anhydrous ammoniafacility, or of any major leak.

9 Dec 77 SR 361/77 s47.

Safety equipment48(1) All storage facilities and rail tank car unloading sites shall have as aminimum the following:

(a) an emergency shower designed with quick opening valve and bubbler forflushing eyes, connected to a minimum clean water supply of 50 gallons or animmersion tank of 200 gallons of clean water and such equipment insulatedand heated if it may be used in freezing temperatures;

(b) at least one self-contained breathing apparatus, pressure demand type,easily accessible and kept in a clean and usable condition;

(c) chemical goggles and rubber gloves, which shall be worn by operators andworkers transferring anhydrous ammonia or carrying out repair or maintenanceactivities;

(d) boots, slicker or pants and jacket made of rubber or other materialimpervious to ammonia; and,

(e) first-aid fire fighting equipment acceptable to the Fire Commissioner;and,

(f) safety belt and life line for workers entering concentrations of anhydrousammonia.


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(2) Any vehicle used for the transportation of anhydrous ammonia shall beequipped with the following:

(a) one full face gas mask with anhydrous ammonia cannister, and thecannisters must be replaced on or before their expiry date;

(b) chemical goggles and rubber gloves, which shall be worn by operatorsand workers transferring anhydrous ammonia or when repair or maintenanceactivities are undertaken;

(c) a container of not less than 4 Imperial gallons of readily available cleanwater mounted above head height and with a tube for emergency flushingpurposes.

(3) Applicator tanks shall be equipped with chemical goggles, rubber gloves, and acontainer of not less than 4 Imperial gallons (19.0 litres) of readily available cleanwater, mounted at approximately head height and with a flexible tube foremergency flushing purposes.

(4) Individual plastic squeeze bottles shall be carried by each worker for flushingwithout delay any accidental contact of anhydrous ammonia with eyes when notnear emergency washing facilities.

9 Dec 77 SR 361/77 s48.

Additives prohibited49 Anhydrous ammonia in a tank shall be free of additives.

9 Dec 77 SR 361/77 s49.

Loading and unloading50 Loading and unloading:

(a) During loading and unloading operations, rail tank cars or transporttank unit brakes shall be kept applied and chock blocks must be properlyplaced to prevent movement;

(b) applicator tanks and other trailer tanks must be properly secured toprevent movement when tank to tank transfer of anhydrous ammonia istaking place; and,

(c) written loading and unloading work procedure shall be posted in aconspicuous location at the storage facilities, and a copy carried in the cab ofany vehicle used to transport anhydrous ammonia.

9 Dec 77 SR 361/77 s50.

Fire department awareness51 An employer or self-employed person who maintains an anhydrous ammoniastorage and distributing facility shall ensure that the fire department serving thearea whether volunteer or regular:

(a) is notified of the location and maximum capacity of storage facilities;

(b) is made aware of type, size and location of emergency fire fightingequipment located at the facility;

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(c) is made aware of location and use of shutoff valve;

(d) is made aware of the type and location of respiratory equipment at thestorage facility.

9 Dec 77 SR 361/77 s51.

PART V

Transportation

Transport tank registered by Highway Traffic Board52 A transport tank registered with the Highway Traffic Board either as a motorvehicle, trailer or semi-trailer shall meet all regulations prescribed by the HighwayTraffic Board for that class of vehicle.

9 Dec 77 SR 361/77 s52.

Parking of transport tanks53(1) When parked, a loaded transport tank shall be positioned so that the reliefvalve communicates with the vapour space of the tank.

(2) Loaded transport tanks parked outdoors shall comply with the following:

(a) except in an emergency vehicles shall not be left unattended on anystreet, highway, avenue, public roadway or alley. This shall not prevent adriver from absenting himself from the vehicle in connection with his normalduties, washroom or meal stops.

(b) Unattended loaded transport tanks parked shall comply with thedistance requirements of section 37 and the driver shall ensure that all valvesand transfer equipment are closed and secured from tampering.

9 Dec 77 SR 361/77 s53.

Transport tank not registered by Highway Traffic Board54 The owner of a self propelled or trailer transport tank not registered by theHighway Traffic Board shall comply with the regulations contained in this part:

(A) Self propelled transport tank:

(i) Every self propelled transport tank must be designed so that theintake pipe of the fuel tank or container be outside of the cargo orpassenger compartments, and any spillage from filling the fuel tank willnot contact any part of the exhaust or electrical system.

(ii) The inlet pipe of the fuel tank must have a cap or closing device thatwill prevent spillage and release of unrestricted vapours from the fuel.

(iii) Every self propelled transport tank must be so designed andconstructed that any part of the exhaust system closer than 4 centimetres(1¾ inches) to any part of the fuel system, brake system or anycombustible material must be provided with adequate heat shields.


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(iv) The parking brake system must be adequate to hold the selfpropelled transport tank and trailer or trailers if applicable, on anygrade that the vehicle or combination of vehicles is operating, or a 15%grade whichever is the greatest, when the self propelled transport tankor combinations of vehicles are fully loaded. The means of applicationmust be so designed that the brakes cannot be released unless they canbe re-applied.

(v) A self propelled transport tank shall be equipped with a servicebrake system or a retarder mechanism that will be capable at all timesand under all conditions of loading, of stopping the transport tank on adry, smooth, level road, free from loose material on application from aspeed of 20 miles per hour (30 kilometres per hour) in a distance of 50feet (15 metres).

(vi)(a) Every self propelled transport tank must have a steeringmechanism and components of the steering system approved by themanufacturer of the chassis.

(b) The steering system must be maintained within the tolerancesas approved by the vehicle manufacturer.

(vii)(a) No self propelled transport tank shall be loaded so that theweight of the self propelled transport tank and the load it iscarrying are in excess of that for which each axle and/or suspensionis rated by the vehicle manufacturer.

(b) The suspension system of every self-propelled transport tankwill be designed in such a way that any part of the frame or body ofthe motor vehicle will be prevented from contacting the tire, wheelor other rotating part of the axle assembly by means of a bump pad,stop or equivalent means.

(viii) A self propelled transport tank shall be equipped with at least twoheadlights, mounted on the front as far apart as possible, visible undernormal atmospheric conditions at night for a distance of 800 feet (250metres) in front of the light source. The beam pattern shall be such thatthe operator will be able to see any object of reasonable size at a distancein front of 300 feet (100 metres) and to the side of 10 feet (3 metres).There shall be a means of changing the beam pattern to a lower patternwithout interruption of illumination. The colour shall be white.

(ix) A self propelled transport tank shall be equipped with two tailightsmounted to the rear of the vehicle as far apart as possible and visiblefrom a distance of 500 feet (150 metres) under normal atmosphericconditions at night. The colour shall be red.

(x) A transport tank shall carry mounted at rear, two red clearancelights mounted as far apart and high as possible.

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(xi) A self propelled transport tank shall carry 4 side marker lights, twomounted on each side, red at the rear, amber at the front, as high aspossible.

(xii) Headlights, taillights, clearance lights and side marker lightsshall be wired in such a manner that they will be activated by a singleswitch and will be illuminated a half hour prior to sunset and a half hourafter sunrise and during conditions where visibility is reduced to 500 feet(150 metres) or less.

(xiii) A self propelled transport tank shall carry 8 reflectors, two ambermounted on the front as far apart as possible, two red mounted on therear as far as possible, two amber mounted on each side as close to thefront as possible, two red mounted on the side as close to the rear aspossible. Any vehicle over 30 feet (10 metres) in length shall carry anadditional two amber reflectors on the side at midpoint.

(xiv) A self propelled transport tank shall display a Slow MovingVehicle Warning Device as required by Saskatchewan Regulation 86-73,The Vehicles Act, Section 12, O.C. 513-73 and any amendment to thisRegulation.

(xv) (a) All self propelled transport tanks shall have two exits from theoccupant’s compartment.

(b) All self propelled transport tanks shall be designed andmaintained in such a way that the window adjacent to the drivercan be opened and closed by a device operated from the inside.

(c) Every self propelled transport tank shall have the seatssecurely anchored and capable of maintaining any position ofadjustment to which set.

(d) Every self propelled transport tank shall have a driver’s seat,and the position and height of that seat will be designed andconstructed so as to offer a driver whose dimension and weightrange from those of the fifth percental adult female to those of theninety fifth percental adult male, a clear view of the roadway andbe within reach of all of the driving controls.

(xvi) Seat belts and seat belt anchorages and warning systems of allself propelled transport tanks must be maintained in operationalcondition and the anchorages must be secure and fixed to the structure ofthe vehicle or to the pedestal of the seat. The latch accessibility of theseat belt must be accessible to the occupant in both positions and have asingle point release.

(xvii) (a) All self propelled transport tanks shall have windshields andthey shall be of safety glass Type AS-1 and be so labelled and sideand rear glass of safety Type AS-2 and so labelled, and all otherglass of safety Type AS-3 or 5, 6, 7, 8 or 9 and be so labelled. Theyshall be maintained in a generally vertical position to shieldagainst the wind.


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(b) All rear windows of every self propelled transport tank shallafford a clear view to the rear or the self propelled transport tankmust have two mirrors mounted on the outside, 1 on the left sideand 1 on the right side affording the driver a clear view to the rear.All mirrors must be securely mounted and be adjustable in bothhorizontal and vertical planes.

(c) All self propelled transport tanks must be equipped with twowindshield wipers. If capable of two speeds the high speed will be aminimum of 45 cycles per minute and the low speed shall differ byat least 15 cycles per minute. If one speed, only that speed shall bea minimum of 30 cycles per minute. The wipers must be able toclear a wet windshield in 5 cycles and must coverapproximately 75% of the windshield area.

(xviii) (a) All self propelled transport tanks in excess of 80 inches (2metres) in width, shall be equipped with or carry in a suitable spillresistant container, in order to illuminate the vehicle in such amanner as to give users of the highway due warning of theobstruction when a vehicle is stationary on any part of theroadway one of the following.

(1) two flares visible when burning at night under normalatmospheric conditions at a distance of 500 feet (150 metres)in a wind of velocity of 40 miles per hour (65 kilometres perhour) and capable of burning for at least 12 hours, or

(2) three red electric lanterns visible at night under normalatmospheric conditions for a distance of 500 feet (150 metres)and capable of operating continuously for at least 12 hours, or

(3) three red reflectors visible when illuminated by thelights of the approaching motor vehicle during the night innormal atmospheric conditions at a distance of 500 feet (150metres).

(b) All self propelled transport tanks when parked on the side of apublic roadway being disabled or without flashing hazard lightsshall have its position marked or be illuminated by flares, lanternsor reflectors, one place 100 feet (30 metres) or more in front of thevehicle and one placed 100 feet (30 metres) behind the vehicle, andboth visible for a distance of 500 feet (150 metres).

(xix) (a) The weight of the self propelled transport tank and the load itcarries shall be such that it does not load any tire of the self propelledtransport tank beyond that of the capacity of the tire at the airpressure which it is maintained at.

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(b) No self propelled transport tank shall be equipped with tires ofwhich the air pressure is maintained at greater than the maximumair pressure rating of the tire.

(c) No self propelled transport tank shall be equipped with tires ofwhich the tread wear indicators contact the road surface in twoplaces on two adjacent major grooves or have less than:

(1) self propelled transport tanks weighing up to 30,000pounds (13,500 kilograms) a tread depth of 2/32 of aninch (0.15 centimetres) measured in three locations in majorgrooves equal distance apart.

(2) self propelled transport tanks weighing morethan 30,000 pounds (13,500 kilograms) a tread depthof 3/32 (0.25 centimetres) measured in three locations inmajor grooves equal distance apart.

(d) No self propelled transport tank shall be equipped with tireshaving sidewall cuts of 1 inch (2½ centimetres) or more in length inwhich the cord of the tire is exposed or have visible bulgesindicating failure of the structure, or have at any place exposure ofthe ply material of an area of greater than 1 square inch (6½ squarecentimetres).

(xx) A self propelled transport tank shall not be moved at a speed inexcess of 25 miles per hour (40 kilometres per hour).

Trailer transport tanks(B) (i) Every trailer transport tank, the vehicle and load greater than 7,700pounds (3,500 kilograms) or in excess of the weight of the towing motor vehicleshall be equipped with a brake system that can be operated on application ofthe brake pedal of the towing motor vehicle.

(ii) The trailer transport tank, when hitched to a towing motor vehicleshall make up a combination of vehicles capable of being stopped at alltimes under conditions of loading on a dry, smooth, level road, free fromloose material on application of the braking system from 20 miles perhour (30 kilometres per hour) within the distance of 60 feet (18 metres)and remain within a 12 feet (3½ metre) traffic lane.

(iii) A trailer transport tank when equipped with brakes shall, when ona public road, be attached to a towing motor vehicle in such a mannerthat the braking system will be operated on application of the brakepedal of the towing motor vehicle or by a device that applies the brakesautomatically when the towing vehicle decelerates faster than thetrailer.

(iv) No trailer transport tank shall be loaded so that the weight of thetrailer transport tank and the load it is carrying are in excess of that forwhich each axle and/or suspension is rated by the vehicle manufacturer.

(v) Every trailer transport tank shall be equipped with two redtaillights mounted on the rear as far apart as possible and visiblefrom 500 feet (150 metres) under normal atmospheric conditions atnight.


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(vi) All trailer transport tanks shall be equipped with four clearancelights, two red on the rear mounted as high and far apart as possible andtwo amber on the front mounted as high and far apart as possible, visiblefrom 300 feet (100 metres) under normal atmospheric conditions atnight.

(vii) All trailer transport tanks will be equipped with four side markerlights, two red mounted on the side as far to the rear and as high aspossible, two amber mounted on the side as far to the front and as high aspossible, all visible from 300 feet (100 metres) under normal atmosphericconditions at night. Should the trailer transport tank be in excess of 30(10 metres) in length, hitch and trailer, an additional two amber lightsmust be carried on the side at midpoint.

(viii) The lighting system of all trailer transport tanks shall bedesigned so that it is capable of being connected to the towing motorvehicle in such a way that:

(1) tail lights, clearance lights and side marker lights are actuatedby the headlight control of the towing motor vehicle.

(2) stop lights are actuated by application of the brake pedal ofthe towing motor vehicle.

(3) signal lights are actuated by the signal light control of thetowing motor vehicle.

(ix) A trailer transport tank shall, when on a public road, be attached toa towing motor vehicle in such a manner that its electrical system isconnected to the electrical system of the towing motor vehicle and that alllights shall be operated by the controls of the towing motor vehicle asstated in Clause (viii).

(x) All trailer transport tanks must carry eight reflectors, two amber onthe front as far apart as possible, two red on the rear, as far apart aspossible, two red mounted on each side as far to the rear as possible, twoamber mounted on each side as far to the front as possible.

(xi) A trailer transport tank shall display a Slow Moving VehicleWarning Device as required by Saskatchewan Regulation 86-73, TheVehicles Act, Section 12, O.C. 513-73 and any amendment to thisRegulation.

(xii) Every trailer transport tank shall be equipped with wiring, thesize and type as installed by the vehicle manufacturer. It shall beproperly supported to prevent undue wear and accidental disconnect andshorting. It shall be designed and constructed to good engineeringpractices. It shall be maintained in good condition.

(xiii) All trailer transport tanks over 12 feet (4 metres) in length hitchand trailer shall have a bumper at the rear securely mounted, thegreater part of the horizontal bumper bar shall be between 18 to 26inches (45 to 65 centimetres) above the level ground surface when thevehicle is in an unloaded condition.

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(xiv) Every full trailer transport tank must have a tow bar and couplerwith capacity equal to or greater than the weight of the trailer transporttank and the load, and this tow bar must be securely mounted and shallbe so constructed that the towed trailer transport tank will track on levelground on a following path to the towing vehicle allowing for no morethan 4 inches (10 centimetres) deviation on either side.

(xv) (a) The hitch shall be designed so that no static structural part ofthe trailer transport tank hitch shall be less than 6 inches (15centimetres) from the ground while in towing position on levelground.

(b) Every trailer transport tank must have a locking mechanismon the tow bar designed in such a way as to prevent accidentaldisconnection. There must also be a provision on every trailertransport tank for a second safety device to prevent completedisconnection of the attached vehicles in the case of accidentaldisconnection of the primary locking mechanism. This secondsafety device may be attached to the tow bar but not to theattaching mechanism, and must be designed to prevent the trailertransport tank tow bar from dropping to the ground in the event ofprimary disconnection. Semi trailer transport tanks are not requiredto be so equipped.

(c) If the second safety device is a chain the minimum diameter ofthe steel in the links shall be 3/16 of an inch (0.5 centimetres) for atrailer transport tank of 2,000 pounds (900 kilograms) or less andincreasing by 1/16 of an inch (0.02 centimetres) for every 16,000pounds (7,200 kilograms) above 2,000 pounds (900 kilograms).

(xvi) Every semi trailer transport tank must be designed and constructedwith a kingpin and upper plate of a rated capacity equal to or greaterthan the weight of the trailer and the load and maintained in such amanner that the contact area between the upper coupler plate and the5th wheel will support no more than 80 pounds per square inch (6kilograms per square centimetre).

(xvii) Every gooseneck transport tank must use a connecting device forattachment to the towing motor vehicle which will allow the trailer totrack on level ground on a path following the pulling vehicle allowing nomore than 4 inches (10 centimetres) deviation on either side. Theconnecting device must have a capacity equal to or greater than theweight of the trailer and its load.

(xviii)(a) The weight of the trailer transport tank and the load itcarries shall be such that it does not load any tires of the trailertransport tank beyond the capacity of that tire at the air pressurewhich is maintained.

(b) No trailer transport tank shall be equipped with tires of whichthe air pressure is maintained at greater than the maximum airpressure rating of that tire.


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(xix) Any combination of vehicles containing a trailer transport tankshall be limited to the towing motor vehicle and the trailer transporttank.

(xx) A trailer transport tank shall not be moved at a speed in excessof 25 miles per hour (40 kilometres per hour).

(xxi) Portable tanks temporarily mounted on trucks or trailers shall besecurely fastened thereto so that the pressure vessel cannot shiftforward or back and so that it will not be separated from the conveyancein case of overturning.

(xxii) (a) No trailer transport tank shall be equipped with tires ofwhich the tread wear indicators contact the road surface in twoplaces on two adjacent major grooves or have less than:

(1) trailer transport tanks weighing 2,300 to 13,200pounds (1,000 to 6,000 kilograms) a tread depth of 2/32 of aninch (0.15 centimetres) measured in three locations in majorgrooves equal distance apart.

(2) trailer transport tanks weighing more than 13,200 pounds(6,000 kilograms) a tread depth of 3/32 (0.25 centimetres)measured in three locations in major grooves equal distanceapart.

(b) No trailer transport tank shall be equipped with tires havingsidewall cuts of 1 inch (2½ centimetres) or more in length in whichthe cord of the tire is exposed or have visible bulges indicatingfailure of the structure, or have at any place exposure of the plymaterial of an area of greater than 1 square inch (6½ squarecentimetres).

(xxiii) Notwithstanding Clause (iii) and Clause (ix), a trailer transporttank when on a public road and hitched or attached to a farm tractor doesnot require to have the brakes on the trailer transport tank operated byor from the farm tractor and, except at night and at all times when fog orother atmospheric conditions render the operation of the vehiclesdangerous to the traffic on or use of the highway, does not requireelectrical systems of the two vehicles to be attached nor the lightsoperated by the controls of the farm tractor.

9 Dec 77 SR 361/77 s54.

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PART VI

Licences and Fees

Licences55(1) No person shall distribute or offer for sale anhydrous ammonia unless heholds a valid and subsisting licence to do so issued by the department.

(2) All fees payable to the department for licensing of anhydrous ammoniastorage and distribution plans shall be in accordance with The Boiler and PressureVessel Fees Regulations, 1981, being chapter B-5 Reg 1 of The Revised Regulationsof Saskatchewan.

30 Jne 83 SR 86/83 s11.

PART VII

Other Required Approvals

Other authorities56 These regulations shall not relieve compliance with local municipal bylaws orother applicable legislation and regulations.

9 Dec 77 SR 361/77 s56.

regulations respecting anhydrous ammonia (repealed)€¦ · 28 inspection and special fees part ii...

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