sp-2036, well engineering general operational … · web viewminimum of 5 load restraining webbing...

Petroleum Development Oman L.L.C.

[Logistics Team]

PDO Oilfield Transport & Interior Based Vehicle

SpecificationsUser Note:

The requirements of this document are mandatory. Non-compliance shall only be authorised by the Document Owner or his Delegate through STEP-OUT approval.

A controlled copy of the current version of this document is on PDO's EDMS. Before making reference to this document, it is the user's responsibility to ensure that any hard copy, or electronic copy, is current. For assistance, contact the Document Custodian or the Document Controller.

Users are encouraged to participate in the ongoing improvement of this document by providing constructive feedback.

Please familiarise yourself with theDocument Security Classification Definitions

They also apply to this Document!

RESTRICTED Document ID: SP-2085May-23 Filing Key: Business Control

http://sww3.pdo.shell.om/getdoc?dataid=3966312

mailto:[email protected]?subject=Ref:%20SP-1219,%20Well%20Engineering%20H2S%20Specification

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Petroleum Development Oman LLC Revision: DRAFTEffective: Nov-08

This page was intentionally left blank

PDO Oilfield Transport & Interior Based Vehicle Specifications Procedure

Printed 11/06/05

The controlled version of this CMF Document resides online in Livelink®. Printed copies are UNCONTROLLED.


i Document AuthorisationAuthorised For Issue

Document Authorisation

Document Authority

(CFDH)

Document Custodian Document Controller

Kharusi, Warith UWL

Date:

Abri, Zahir UWLB21

Date:

Rice, Stephen UWLC1

Date:


Printed 11/06/05



ii Revision HistoryThe following is a brief summary of the 4 most recent revisions to this document. Details of all revisions prior to these are held on file by the issuing department.

Version No. Date Author Scope / RemarksVersion 1.0 Nov 08 Stephen Rice, UWLC/1 Initial issue.

iii Related Business Processes

Code Business Process (EPBM 4.0)

iv Related Corporate Management Frame Work (CMF) Documents

The related CMF Documents can be retrieved from the Corporate Business Control Documentation Register TAXI.


Printed 11/06/05


http://sww9.pdo.shell.om/dept/tsd/tcc/tcp/apps/taxi/index_sub.htm%20


TABLE OF CONTENTS

i Document Authorisation....................................................................................................3

ii Revision History................................................................................................................4

iii Related Business Processes.............................................................................................4

iv Related Corporate Management Frame Work (CMF) Documents.......................................4

1 Heavy Oilfield Winch Prime Mover 6 x4.............................................................................7

1.1 Purpose....................................................................................................................... 7

1.2 Minimum Requirments.................................................................................................7

1.2.1 Front Steering Axle.....................................................................................7

1.2.2 Rear Axle....................................................................................................7

1.2.3 Carrying Capacity.......................................................................................7

1.2.4 Tyres..........................................................................................................8

1.2.5 Engine and Transmissions..........................................................................8

1.2.6 Fifth Wheel Coupling...................................................................................8

1.2.7 Tail Roller...................................................................................................8

1.2.8 Skid Ramps................................................................................................8

1.2.9 Towing Hitches...........................................................................................9

1.2.10 Prime Mover Winch.....................................................................................9

1.2.11 Winch Line..................................................................................................9

1.2.12 Security Cage (Headache Rack).................................................................9

1.2.13 Braking System..........................................................................................9

1.2.14 Auxiliary Electrical Connections.................................................................10

1.2.15 General vehicle fitments............................................................................10

1.2.16 Auxiliary Equipment..................................................................................10

1.2.17 Vehicle Operators Cabin...........................................................................10

1.2.18 Identification.............................................................................................11

2 Heavy Oilfield Semi Trailer 4 x 0......................................................................................12

2.1 Porpuse.....................................................................................................................12

2.2 Minimum Requirments...............................................................................................12

2.2.1 Rear Axle..................................................................................................12

2.2.2 Tyres........................................................................................................12

2.2.3 Load Capacity...........................................................................................12

2.2.4 Flatbed Platform.......................................................................................12

2.2.5 Kingpin Assembly.....................................................................................13

2.2.6 Rear Bumper............................................................................................13

2.2.7 Tail Roller.................................................................................................13

2.2.8 Trailer Nose..............................................................................................13

2.2.9 Landing Gear............................................................................................13

2.2.10 Braking System.........................................................................................13 PDO Oilfield Transport & Interior Based Vehicle Specifications

ProcedurePrinted 11/06/05




2.2.12 General.....................................................................................................14

2.2.13 Identification.............................................................................................14

3 Heavy Oilfield Winch Truck 6 x 4.....................................................................................15

3.1 Purpose..................................................................................................................... 15

3.2 Minimum Requirments...............................................................................................15

3.2.1 Front Steering Axle...................................................................................15

3.2.2 Rear Axle..................................................................................................15

3.2.3 Tyres........................................................................................................15

3.2.4 Engine and Transmissions........................................................................15

3.2.5 Flatbed Platform.......................................................................................16

3.2.6 Rear Skirt.................................................................................................16

3.2.7 Tail Roller.................................................................................................16

3.2.8 Towing Hitches.........................................................................................16

3.2.9 Winch.......................................................................................................16

3.2.10 Winch Line................................................................................................17

3.2.11 Security Cage (Headache Rack)...............................................................17

3.2.12 Braking System.........................................................................................17


3.2.14 General vehicle fitments............................................................................17

3.2.15 Vehicle Operators Cabin...........................................................................18

3.2.16 Identification.............................................................................................18

4 Standard Oilfield Based Cargo Prime Mover and Trailer Combination..............................19

4.1 Standard Oilfield Based Cargo Prime Mover 6 x 4......................................................19

4.1.1 Purpose....................................................................................................19

4.1.2 Minimum Requirments..............................................................................19

4.2 Standard Oilfield Based Cargo Trailer........................................................................21

4.2.1 Purpose....................................................................................................21

4.2.2 Minimum Requirements............................................................................21


Printed 11/06/05



1 Heavy Oilfield Winch Prime Mover 6 x4

1.1 PurposeA) Without a coupled trailer, the prime mover is mainly utilised for pulling rig trailers, i.e.

mast, generator, pump trailer, draw-works trailer and main rig structures etc.These trailers and structures may weigh anything from 50 ton to 450 ton with sizes up to 15 metres wide and 50 metres long.

The prime movers may be used in conjunction with additional prime movers as ballast trucks to move the heavier rig equipments within undulating terrain.

The prime movers will also be used to pull various other equipments within the interior, i.e. float semi trailers, road tanks, lowboys etc.

B) With a coupled heavy oilfield winch trailer, these vehicles are utilised for transporting skid mounted loads up to 50 ton in weight. These skid loads will vary in size from 13 metres wide to 15 metres long.The trailers are also used for transporting skid mounted fluid tanks with a maximum capacity of 32,000 litres.

The trailers are also used for transporting tubulars in various sizes, palletised and un-palletised chemical loads, 20’ and 40’ ISO containers and general cargo

C) Conditions of this equipment usage vary within the Oman interior. The vehicle will be required to be able to withstand harsh weather conditions which will include extreme temperatures, up to and above 55deg, very dusty conditions and harsh graded roads with loose gravel and or hard bedrock.

1.2 Minimum Requirments

1.2.1 Front Steering AxleSingle axle with power steering and single mounted tyres (14.00 x 24)

A turning radius of less than 30 metres from the outside wheel.

1.2.2 Rear AxleA two axled bogie using walking beam suspension or as a minimum, spring mounted suspension.

Both axles to be driven, utilising a power divider and a separate differential lock.

1.2.3 Carrying CapacityThe prime mover must have a fifth wheel carrying capacity of 36 tons above the standard vehicle weight.


Printed 11/06/05



1.2.4 TyresMinimum requirement of 14.00 x 24 inflated to the correct safe working pressure of 100 psi as per manufacturer’s recommendations.

A complete spare wheel assembly to be mounted to the prime mover.

Sufficient equipment to carry out a tyre change with the jacking capability to exceed the total gross weight exerted on the complete axle.

1.2.5 Engine and TransmissionsA minimum of 250 bhp transferred through an automatic or manual gearbox.

Drive train with sufficient power and torque to pull trailerised rig loads of up to 130 tons or a recommended power output of 450 bhp or above transferred through an automatic or manual gearbox.

Drive train with sufficient power and torque to pull trailerised rig loads of up to 450 tons on level graded interior roads.

Lowest gear ratio to be sufficient to enable a maximum gross weight vehicle (50 ton net load) to negotiate an incline of 12%.

Highest gear ratio to limit the vehicle to 80 kph.

1.2.6 Fifth Wheel CouplingStandard fitment of 3 ½” fifth wheel coupling to facilitate the standard kingpins on all rig trailer loads.

Longitudinal rocking motion only. (forward and backward motion)

Centre of fifth wheel to be positioned a minimum of 100mm forward of the centre position of the front axle of the rear bogie.

Minimum pull capacities of 130 tons on a 16% incline.

Ground height of between 1.55 meters and 1.60 metres.

Minimum distance between the centre of the fifth wheel plate and the prime mover headache rack is 2.25 metres

The distance between the centre of the fifth wheel plate and the furthest point of the rear of the prime mover is to be no greater than 2.10 metres.

1.2.7 Tail RollerMinimum diameter of 210mm.

Length to be determined by the width of the prime mover chassis but usually 300 cm.

Connected to chassis by sufficient load bearing roller bearings.

1.2.8 Skid RampsTo run flush from the tail roller to the fifth wheel at the same spacing as the chassis.


Printed 11/06/05



1.2.9 Towing HitchesFront towing hitch to be an integral part of the strengthened front bumper being a removable pin of no less diameter of 46 mm.

Rear towing hitch to be a ‘Rockinger’ type 561 or an equivalent spec hitch with a movable pin being no less than 46 mm in diameter. This is to be fitted to a strengthened part of the rear chassis situated no less than 100 cm above the ground and not at any point being able to interfere with the tail roller.

1.2.10 Prime Mover WinchOptimum winching capacity of 45 tons.

Mechanical or hydraulically operated.

Winch drum diameter, width and flange height must be sufficient to contain 36 metres of 28mm wire rope, coupled to a 9 metre sling of 28mm.

Minimum drum specifications listed below:-

Width 23”

Diameter 15”

Flange diameter 37”

Winch is to be mounted on a strengthened security cage (headache rack) behind the cab.

A minimum clearance of 6” is required around the winch except the mountings.

An interlock safety device, which prevents the winching operation when the transmission is engaged, is to be standard.

All winch controls are to be within the drivers cab.

1.2.11 Winch LineOptimum length of 36 metres.

Nominal Diameter of 28mm.

A wire rope construction of IWRC 6 X 36 WS preformed bright plow steel.

A tail chain to be with a 1 ¼” tail hook attached.

1.2.12 Security Cage (Headache Rack)A steel tubular construction of 4 ½” heavy wall pipe that envelopes the winch and is mounted directly and securely to the chassis behind the driver’s cab therefore protecting the winch and cab.

1.2.13 Braking SystemA full dual line air brake system with a ‘fail safe’ system in the event of loss of air pressure.

1 x set of colour coded (red: emergency, yellow: service) palm (glad hand) couplings at the rear of the cab.

1 x set of colour coded palm couplings near the rear towing hitch.

2 x sets of colour coded dual brake line hoses of 3 metre length with palm coupling.

An audible and visual warning of low pressure situated in the drivers cab.


Printed 11/06/05



A spring loaded hand brake.

An engine retarding device (Jake Brake or equivalent) to control the vehicle speed whilst descending an incline. This device supersedes any other device such as an exhaust brake or any other device that requires the use of the vehicles wheel braking system.

A device to ensure ‘lock up’ of the transmission during operation of the retarder (automatic gearboxes only).

1.2.14 Auxiliary Electrical ConnectionsA 7 pin electrical socket situated near the rear towing hitch.

1 x 5 metre electrical Suzy cable with a 7 pin electrical plug at each end.

1.2.15 General vehicle fitments A metal grid catwalk behind the driver’s cab, between the headache rack and fifth wheel to be fitted which must be the whole width of the vehicle.

2 x roof mounted amber rotating warning lights.

An audible reversing warning device.

2 x 9 litre AFFF premix fire extinguishers to be fitted to the side of the vehicle.

2 x brackets for spare dry powder fire extinguishers should the vehicle be carrying hazardous chemicals.

Minimum of 100 litre potable water tank.

Minimum of 10 litre cold drinking water flask.

A lockable storage container for tyre changing and additional load lashing equipment.

1.2.16 Auxiliary EquipmentMinimum of 4 x 9metre load restraining chains with grab hooks at each end with a diameter of 13mm.

6 x load binders compatible with the load restraining chains.

Minimum of 5 load restraining webbing belt straps of 8 metres and 4” wide.

1 x 28mm x 9 metre wire rope sling with soft eyes secures with tapered ferrules

2 x ‘D’ shackles with a SWL of 11.5 ton and 44mm pin diameter.

1 x heavy duty cargo net, 18 x 6 metres

Laminated copies of up to date safety certificates of all slings, chains and binders to be kept in a folder within the drivers cab.

1.2.17 Vehicle Operators CabinRadio cassette player

Air conditioning

First aid box

2 x individual seats each fitted with head restraints and ‘3’ point inertia reel type safety belts.

Rear window to be of sufficient size to enable the driver to have clear sight of the winch and the loads to be winched. The glass is to be of reinforced toughened laminated type.


Printed 11/06/05



Controlled discharge type fire extinguisher with minimum capacity of 1.5 litres.

A lockable storage compartment of sufficient size to store the driver and helpers personnel belongings, rations, maps etc.

1.2.18 IdentificationCompany fleet numbers to be painted and shown prominently on both the vehicle cab doors and on each end of the front bumper.

A band of yellow and black chevrons of 15cm height is to be painted across the entire rear width of the vehicle.


Printed 11/06/05



2 Heavy Oilfield Semi Trailer 4 x 0To be used in combination with a suitable 6 x 4 prime mover.

2.1 PorpuseThese trailers are utilised for transporting skid mounted loads up to 50 ton in weight. These skid loads will vary in size from 13 metres wide to 15 metres long.

The trailers are also used for transporting skid mounted fluid tanks with a maximum capacity of 32,000 litres.

The trailers are also used for transporting tubular’s in various sizes, palletised and un-palletised chemical loads, 20’ and 40’ ISO containers and general cargo.

The trailers may also be used for transporting handling equipment and light vehicles.

Conditions of this equipment usage vary within the Oman interior. The vehicle will be required to be able to withstand harsh weather conditions which will include extreme temperatures, up to and above 55deg, very dusty conditions and harsh graded roads with loose gravel and or hard bedrock.


2.2.1 Rear AxleA two axle bogie pivoting from a main centre axle thus allowing the trailer to be lowered to the ground with all wheels remaining on the ground.


2 x spare wheel and tyre assemblies to be mounted to the underside of the trailer behind the landing legs.

Wheel and tyre assemblies must be interchangeable with the prime mover unless different wheel sizes on the prime mover, then additional spares will need to be carried for the complete combination.

2.2.3 Load CapacityCapacity to carry a net weight of 50 tons without overloading any axle capacity.

2.2.4 Flatbed PlatformWidth: no less than 3.35 metres; no more than 3.50 metres

Length: an optimum of 12.20 metres

Deck to be longitudinally timbered between the main chassis beams.

Timber used is not to be any less than 50mm thick.

Deck height to be no more than 1.90 metres above ground height.

Trailer deck to have a minimum of 6 side stake holders (internal of deck side rail or welded external).


Printed 11/06/05



Each side stake to be 10cm in diameter and a minimum of 1.50 metres in length.

Deck to be fitted with ISO container locks to facilitate 2 x 20’ or 1 x 40’ ISO container.

Each deck side rail to be fitted with a minimum of 5 lashing belt ratchets. These are to be fitted to the underside of the side rails and must allow 4’ webbing restraining straps to be utilised.

2.2.5 Kingpin AssemblyTo be a standard size of 3 ½” and conform to SAE J848a spec.

The distance between the centre of the kingpin and the front leading edge of the trailer is to be a standard of 2.00 metres to allow full swing of the prime mover.

2.2.6 Rear BumperA heavy duty bumper to be fitted to the entire width of the rear of the trailer.

A minimum of 2 x runners, inclined at 3degrees of vertical to be fitted enabling correct smooth winching of skid loads.


2.2.7 Tail RollerA minimum of 240mm in diameter and a length suitable to fit the entire width of the trailer with 2 x end roller bearings.

An optimum of 7 x cradle bearings to enable smooth roll of tail roller.

Top of roller to be a minimum of 1” protruding above the rear of the deck.

Front leading edge of the roller to be 1” behind the rear of the deck.

Safety pins to be fitted to the rear side edges of the deck to prevent any skid loads slipping over the rear side edge of the trailer.

2.2.8 Trailer NoseA rounded leading front edge allowing wheeled equipment to be loaded on to the trailer when the front edge is lowered to the ground.

An assembly to be fitted allowing the prime mover winch line and tail hook to be passed through and connected to the n of the trailer to enable the prime mover to winch the trailer with a load, not exceeding the winch capacities, to be re-connected to the prime mover.

2.2.9 Landing GearOf a collapsible rear swinging type able to be pinned to the underside of the deck enabling the trailer nose to be lowered completely to the ground.

Sufficiently robust enough to support a fully laden trailer with sufficient ground padding to enable a disconnected trailer to refrain from sinking in the soft ground in the Oman Interior.

It is to be attached to the trailer in a position that is not affecting the swing of the prime mover.


Printed 11/06/05



2.2.10 Braking SystemFull dual line air brake system with ‘fail safe’ mechanism, fully compatible with the prime mover.

1 x colour coded palm couplings compatible with the prime mover.

Spring loaded or manually operated hand brake or securing device to lock the travelling wheels when the prime mover is disconnected and uncoupled.

2.2.11 Auxiliary Electrical ConnectionsSeven pin electrical socket at the trailer neck and an electrical system compatible with the prime mover.

2.2.12 GeneralLockable storage containers attached on the underside of the trailer to store tools, lashings etc.

2.2.13 IdentificationA fleet identification number will be painted on both sides and rear of the trailer.

A band of yellow and black chevrons of 15cm height is to be painted across the entire rear width of the rear of the trailer.


Printed 11/06/05



3 Heavy Oilfield Winch Truck 6 x 4

3.1 PurposeHandling skid mounted loads weighing up to 40tons with dimensions up to 13 metres wide and 15 metres long, mostly being used for rig move operations.

Transporting skid mounted loads, handling eqpt on specially manufactured skids, palletised goods and general cargo.



3.2.1 Front Steering AxleSingle axle with power steering and single mounted tyres (14.00 x 24)


3.2.2 Rear AxleA two axled bogie using walking beam suspension or as a minimum, spring mounted suspension.



A complete spare wheel assembly to be mounted to the Oilfield.

Sufficient equipment to carry out a tyre change with the jacking capability to exceed the total gross weight exerted on the complete axle.

3.2.4 Engine and TransmissionsA minimum of 250 bhp transferred through an automatic or manual gearbox.

Drive train with sufficient power and torque to assist pulling trailerised rig loads of up to 130 tons or a recommended power output of 450 bhp or above transferred through an automatic or manual gearbox.

Drive train with sufficient power and torque to assist pulling trailerised rig loads of up to 450 tons on level graded interior roads.




Printed 11/06/05



3.2.5 Flatbed PlatformWidth: no less than 3.35 metres; no more than 3.50 metres




Rear half section of the deck is to be covered in MS steel plate the full width of the vehicle. The steel deck is to be no less than 13mm.


Section of rear deck overhanging the rear wheel is to be kept at a minimum.

3.2.6 Rear SkirtA heavy duty bumper to be fitted to the entire width of the rear of the vehicle.

A minimum of 2 x runners, inclined at 3degrees of vertical to be fitted enabling correct smooth winching of skid loads.


Apertures shall be in this skirt the correct dimensions for the fitment of rear light clusters, a towing hitch and 2 x load securing points.

3.2.7 Tail RollerA minimum of 240mm in diameter and a length suitable to fit the entire width of the vehicle with 2 x end roller bearings.

An optimum of 7 x cradle bearings to enable smooth roll of tail roller.

Top of roller to be a minimum of 1” protruding above the rear of the deck.

Front leading edge of the roller to be 1” behind the rear of the deck.

Safety pins to be fitted to the rear side edges of the deck to prevent any skid loads slipping over the rear side edge of the vehicle.

3.2.8 Towing HitchesFront towing hitch to be an integral part of the strengthened front bumper being a removable pin of no less diameter of 46 mm.

Rear towing hitch to be a ‘Rockinger’ type 561 or an equivalent spec hitch with a movable pin being no less than 46 mm in diameter. This is to be fitted to a strengthened part of the rear chassis situated no less than 100 cm above the ground and not at any point being able to interfere with the tail roller.

3.2.9 WinchOptimum winching capacity of 45 tons.

Mechanical or hydraulically operated.

Winch drum diameter, width and flange height must be sufficient to contain 36 metres of 28mm wire rope, coupled to a 9 metre sling of 28mm.

Minimum drum specifications listed below:-


Printed 11/06/05



Width 23”

Diameter 15”

Flange diameter 37”

Winch is to be mounted on a strengthened security cage (headache rack) behind the cab.

A minimum clearance of 6” is required around the winch except the mountings.

An interlock safety device, which prevents the winching operation when the transmission is engaged, is to be standard.

All winch controls are to be within the drivers cab.

3.2.10 Winch LineOptimum length of 36 metres.

Nominal Diameter of 28mm.

A wire rope construction of IWRC 6 X 36 WS preformed bright plow steel.

A tail chain to be with a 1 ¼” tail hook attached.

3.2.11 Security Cage (Headache Rack)A steel tubular construction of 4 ½” heavy wall pipe that envelopes the winch and is mounted directly and securely to the chassis behind the driver’s cab therefore protecting the winch and cab.

3.2.12 Braking SystemA full dual line air brake system with a ‘fail safe’ system in the event of loss of air pressure.

2 x sets of colour coded dual brake line hoses of 3 metre length with palm coupling.



An engine retarding device (Jake Brake or equivalent) to control the vehicle speed whilst descending an incline. This device supersedes any other device such as an exhaust brake or any other device that requires the use of the vehicles wheel braking system.

A device to ensure ‘lock up’ of the transmission during operation of the retarder (automatic gearboxes only).

3.2.13 Auxiliary Electrical ConnectionsA 7 pin electrical socket situated near the rear towing hitch.

1 x 5 metre electrical Suzy cable with a 7 pin electrical plug at each end.

3.2.14 General vehicle fitments A metal grid catwalk behind the driver’s cab, between the headache rack and bed deck to be fitted which must be the whole width of the vehicle.

2 x roof mounted amber rotating warning lights.

An audible reversing warning device.

2 x 9 litre AFFF premix fire extinguishers to be fitted to the side of the vehicle.


Printed 11/06/05



2 x brackets for spare dry powder fire extinguishers should the vehicle be carrying hazardous chemicals.

Minimum of 100 litre potable water tank.

Minimum of 10 litre cold drinking water flask.

A lockable storage container for tyre changing and additional load lashing equipment.

3.2.15 Vehicle Operators CabinRadio cassette player

Air conditioning

First aid box


Rear window to be of sufficient size to enable the driver to have clear sight of the winch and the loads to be winched. The glass is to be of reinforced toughened laminated type.


A lockable storage compartment of sufficient size to store the driver and helpers personnel belongings, rations, maps etc.

3.2.16 IdentificationCompany fleet numbers to be painted and shown prominently on both the vehicle cab doors and on each end of the front bumper.



Printed 11/06/05



4 Standard Oilfield Based Cargo Prime Mover and Trailer Combination

Describe the steps that must be taken to seek and obtain step-out approval, from the Document Authority, in the event that circumstances prevent compliance with the procedure. Step-out approval must clearly specify the duration of the step-out period. It must also specify the actions to be taken within this timeframe, ensuring compliance at the end of the step-out period. Step-out approval in the event of an emergency situation must be included in this process. (A generic Step-Out and Approval Procedure is available on request from TCD/35).

4.1 Standard Oilfield Based Cargo Prime Mover 6 x 4

4.1.1 PurposeThe prime movers will be used to pull various equipments within the interior, i.e. float semi trailers, road tanks, lowboys etc.

With a coupled cargo trailer, these vehicles are utilised for transporting

Tubular’s in various sizes, palletised and un-palletised chemical loads, 20’ and 40’ ISO containers and general cargo


4.1.2 Minimum Requirments

4.1.2.1 Front Steering AxleSingle axle with power steering and single mounted tyres (12.00 x 24)


4.1.2.2 Rear AxleTwo axles using spring mounted suspension.


4.1.2.3 Carrying CapacityThe prime mover must have a fifth wheel carrying capacity of 30 tons above the standard vehicle weight.


Printed 11/06/05



4.1.2.4 TyresMinimum requirement of 12.00 x 24 inflated to the correct safe working pressure of 100 psi as per manufacturer’s recommendations.

Sufficient equipment to carry out a tyre change with the jacking capability to exceed the total gross weight exerted on the complete axle

4.1.2.5 Engine and TransmissionsA minimum of 250 bhp transferred through an automatic or manual gearbox.

Drive train with sufficient power and torque to pull trailer loads of up to 40 tons (net) on ‘blacktop’ or interior graded roads



4.1.2.6 Fifth Wheel CouplingStandard fitment of 2 ½” fifth wheel coupling to facilitate the standard kingpins on all cargo trailers.

4.1.2.7 Braking SystemA full dual line air brake system with a ‘fail safe’ system in the event of loss of air pressure.

1 x set of colour coded (red: emergency, yellow: service) palm (glad hand) couplings at the rear of the cab.



4.1.2.8 Auxiliary Electrical Connections1 x 5 metre electrical Suzy cable with a 7 pin electrical plug at each end.

4.1.2.9 Auxiliary Equipment6 x load binders compatible with the same amount of load restraining chains.

Minimum of 5 load restraining webbing belt straps and tensioners.

1 x cargo net, 18 x 6 metres

Laminated copies of up to date safety certificates of all slings, chains and binders to be kept in a folder within the drivers cab.

4.1.2.10 Vehicle Operators Cabin (Sleeper or Day Cab)Radio cassette player

Air conditioning

First aid box




Printed 11/06/05



4.2 Standard Oilfield Based Cargo Trailer

4.2.1 PurposeThe trailers are also used for transporting tubulars in various sizes, palletised and un-palletised chemical loads, 20’ and 40’ ISO containers and general cargo.

The trailers may also be used for transporting handling equipment and light vehicles.


4.2.2 Minimum Requirements

4.2.2.1 Rear AxleTwo axles using spring mounted suspension, as a minimum.

4.2.2.2 TyresMinimum requirement of 12.00 x 24 inflated to the correct safe working pressure of 100 psi as per manufacturer’s recommendations.

2 x spare wheel and tyre assemblies to be mounted to the underside of the trailer behind the landing legs.

4.2.2.3 Load CapacityCapacity to carry a net weight of 40 tons without overloading any axle capacity.

4.2.2.4 Flatbed PlatformWidth: no less than 2.50 metres; no more than 3.50 metres





Trailer deck to have a minimum of 6 side stake holders (internal of deck side rail or welded external).

Each side stake to be of 1.50 metres in length.

Deck to be fitted with ISO container locks to facilitate 2 x 20’ or 1 x 40’ ISO container.

4.2.2.5 Kingpin AssemblyTo be a standard size of 2 ½” and conform to SAE J848a spec.


Printed 11/06/05



4.2.2.6 Braking SystemFull dual line air brake system with ‘fail safe’ mechanism, fully compatible with the prime mover.

1 x colour coded palm couplings compatible with the prime mover.

Spring loaded or manually operated hand brake or securing device to lock the travelling wheels when the prime mover is disconnected and uncoupled.

4.2.2.7 Auxiliary Electrical ConnectionsSeven pin electrical socket at the trailer neck and an electrical system compatible with the prime mover.

4.2.2.8 GeneralLockable storage containers attached on the underside of the trailer to store tools, lashings etc.


Printed 11/06/05



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Printed 11/06/05
