DEPARTMENT OF WATER AFFAIRS
BID W 0760 (WTE)
THE SUPPLY AND DELIVERY OF 350kW TRUCK TRACTORS WITH WINCHES TO CONSTRUCTION
SPECIFICATION
Comply / Not Comply
(*Delete/Cross-Out whichever is not applicable)
2. / SERVICEThe service to be rendered is the supply, delivery and test run of the following item:
FOUR350kW TRUCK TRACTORS WITH WINCHES
As more fully specified hereunder / TAKE NOTE
3. / DUTY
The 350 kW truck tractors will be used to tow low bed semi-trailers for the conveyance of abnormal loads. / TAKE NOTE
It is a specific requirement that the permissible payload of the 350 kW truck tractor and trailer combination be not less than 50 000 kg. / *Comply / Not Comply
Comply / Not Comply
The dimensions of the semi-trailers shall be completely compatible with the truck tractors offered. / TAKE NOTE
The trucks shall be capable of satisfactory operation under the arduous conditions encountered in the service of the Department. / TAKE NOTE
See also paragraph 1 and 2 of “General Specifications – G1”. / TAKE NOTE
4. / CARRYING CAPACITY
In addition to the above, the following minimum ratings are required (30 kph, abnormal load):
(a)Manufacturer’s front axle capacity of 7 500 kg / *Comply / Not Comply
(b)Manufacturer’s rear axle capacity (each) of 13 000 kg / *Comply / Not Comply
(c)Legal V of 25 500 kg / *Comply / Not Comply
(d)Manufacturer’s GVM of 33 000 kg / *Comply / Not Comply
(e)Legal GCM of 56 000 kg / *Comply / Not Comply
(f)Manufacturer’s GCM of 100 000 kg / *Comply / Not Comply
(g)Minimum wheel base of 3 700mm / *Comply / Not Comply
Note:The complete truck tractors shall be weighed after all equipment has been mounted. This mass shall be entered on all registration documentation and shall be provided for Natis registration. Amendments to such documentation after delivery will not be accepted and will result in non payment for the truck tractors until resolved. / TAKE NOTE
5. / ENGINE
A turbo charged engine with a net power output of not less then 350 kW is required. The minimum required torque at 1 100 rpm is 2 200Nm. (See paragraph 3 of the “General Specifications – G1”) / *Comply / Not Comply
The exhaust shall not be positioned forward of the driver. / *Comply / Not Comply
Power, fuel consumption, torque and engine speed curves shall be supplied with the bid. Failure to comply may invalidate your bid. / *Comply / Not Comply
The maximum engine coolant temperature under normal conditions shall not exceed 88˚C and under extreme duty at 1 500 m ASL and 45˚C ambient temperature, the coolant temperature shall not exceed 94˚C. / *Comply / Not Comply
The cooling system shall maintain a constant operating temperature of 70˚C-80˚C at sea level and 0˚C ambient temperature. / *Comply / Not Comply
The cooling system shall make adequate provision for de-aeration. The cooling system shall make allowance for 6% coolant expansion by volume. / *Comply / Not Comply
Only highest quality hoses shall be used between radiator and engine. Details of hose type must be given in each bid. / *Comply / Not Comply
Comply / Not Comply
6. / TRANSMISSION
A heavy duty automatic gearbox with at least 14 forward gears and 1 reverse gear is required. The transmission must have the facility to change the gears manually. / *Comply / Not Comply
Note that only automatic transmissions will be considered. / TAKE NOTE
The gearbox shall be mounted so as to prevent excessive cantilever loads on the bell-housing. / *Comply / Not Comply
The gearbox torque rating shall be 120% of the maximum generated input torque. / *Comply / Not Comply
The truck/trailer combination shall be capable of maintaining a constant road speed of 80 km/h with a payload mass of 50 000 kg where the trailer weighs approximately 16 000 kg on level tarmac roads at 1 200 ASL and an ambient temperature of 35˚C. / *Comply / Not Comply
The combination of shall maintain a constant road speed of 35 km/h on a 4% grade under the above conditions. / *Comply / Not Comply
Extreme heavy duty, dust proofed dry plate clutch shall be incorporated. / *Comply / Not Comply
Each truck shall be equipped with a gearbox countershaft PTO. / *Comply / Not Comply
The PTO engagement lever shall be fitted with a positive lock to prevent unintentional engagement. / *Comply / Not Comply
7. / DIFFERENTIALS AND AXLES
A differential lock on both rear axles shall be fitted as well as a lockable inter-axle differential which can be controlled from the driver’s seat, preferably while the truck is in motion. / *Comply / Not Comply
Differential ratios shall be chosen to suit the specified duty. Details of selection must be given with the bid. / *Comply / Not Comply
8. / SUSPENSION
Front:
Heavy duty leaf springs with shock absorbers and stabilisers shall be provided. / *Comply / Not Comply
Rear:
Heavy duty leaf springs consisting of main and auxiliary packs shall be provided. / *Comply / Not Comply
9. / STEERING
Power assisted right hand steering is required on the truck. / *Comply / Not Comply
In case of failure of the steering hydraulic system, it shall still be possible to steer the vehicle. / *Comply / Not Comply
The minimum turning circle of the truck shall not be more than 17, 0 m outside tyres. / *Comply / Not Comply
Comply / Not Comply
10. / INSTRUMENTS AND CONTROLS
In addition to the requirements of paragraph 7 of the “General Specification – G1”the following instruments and controls shall be provided in the cab:
(a)Tachograph with renewable charts. / *Comply / Not Comply
(b)Air pressure gauges for vehicle and trailer reservoirs. / *Comply / Not Comply
(c)Brake low pressure warning as required by Road Traffic Act No. 29 of 1989. / *Comply / Not Comply
(d)Differential lock engagement switches and indication. (Where applicable) / *Comply / Not Comply
11. / OTHER EQUIPMENT
The trucks shall be supplied with the following additional equipment:
(a)A revolving yellow light on the cab. / *Comply / Not Comply
(b)A suitable 20 ton hydraulic jack. / *Comply / Not Comply
12. / CAB
The truck tractor shall have TWO (2) sleeping bunks in the cab. Failure to comply will invalidate your bid. / *Comply / Not Comply
13. / FUEL TANK
The fuel tank capacity shall not be less than 1 000 litres. / *Comply / Not Comply
The fuel tank shall be fitted with drain cocks. / *Comply / Not Comply
The tank filler cap shall be fitted with a lock. / *Comply / Not Comply
14. / TYRES
Tyres shall be suitable for use both on and off the highway and shall be of radial construction. / *Comply / Not Comply
The truck tyre size shall be 315/80 R22.5 X 18 ply (steel belt radials). / *Comply / Not Comply
One spare wheel shall be supplied for the truck. / *Comply / Not Comply
See paragraph 12 of “General Specification-G1”. / TAKE NOTE
15. / BRAKES
The trucks shall be fitted with service, emergency and parking brakes as required by SA Road Traffic Act No. 29 of 1989. / *Comply / Not Comply
Service brakes shall feature dual circuit air operation with automatic adjustment. Disc brakes will be preferable to drum brakes. / *Comply / Not Comply
Parking/emergency brakes shall operate on the trucks rear axles and semi-trailer axles. / *Comply / Not Comply
See paragraph 8 of “General Specifications – G1”. / TAKE NOTE
An engine driven brake compressor of not less than 340 ℓ/min FAD fitted with an air cleaner shall be offered. / *Comply / Not Comply
Comply / Not Comply
The truck/semi-trailer brake pipe connections shall be of the shut-off bayonet type. / *Comply / Not Comply
Brake pipes shall comply with SABS 1194. / *Comply / Not Comply
All brake reservoirs shall be fitted with non-return valves and drain cocks. / *Comply / Not Comply
A connection for charging the truck brakes by means of a towing vehicle shall be provided. / *Comply / Not Comply
An electro- magnetic or hydraulic intarder or retarder shall be fitted. / *Comply / Not Comply
An engine braking or exhaust brake system shall be supplied. / *Comply / Not Comply
16. / ELECTRICAL
The truck shall operate on a 24 volt system. / *Comply / Not Comply
All electrical systems shall comply with SABS-SV 1046. / *Comply / Not Comply
All lights and reflectors as required by the SA Road Traffic Act. No. 29 of 1989 shall be fitted. / *Comply / Not Comply
All wiring shall be neatly cleaved. / *Comply / Not Comply
17. / FIFTH WHEEL
The fifth wheel shall be of the heavy duty, double oscillating type with cast steel saddle plate of minimum width of 960 mm and rubber mounted. / *Comply / Not Comply
The fifth wheel shall be designed to accept a minimum mass of 36 000 kg and a kingpin of 89 mm diameter. / *Comply / Not Comply
The swing clearance shall be 3 350 mm measured from the centre if the fifth wheel. / *Comply / Not Comply
The fifth wheel position shall be located for ideal mass distribution. Position and loads shall be indicated on a sketch. / *Comply / Not Comply
The coupling shall feature a semi-automatic, adjustable lock with release on the right hand side. / *Comply / Not Comply
The tractor frame mounting shall be fitted with a tapered skid from the rear of the tractor to the fifth wheel level. / *Comply / Not Comply
A load ramp and roller for winching of the semi-trailer gooseneck is required.
18. / TRUCK MOUNTED HYDRAULIC WINCH
The successful bidder shall fit a winch according to below specification on each truck tractor. / *Comply / Not Comply
The winch shall have a capacity of not less then 30 ton. / *Comply / Not Comply
The winch drum shall be equipped with a 30 metre galvanized steel wire rope of 26 mm diameter with a steel thimble spliced into the end thereof. / *Comply / Not Comply
Comply / Not Comply
The winch shall be powered by a hydraulic motor directly driving the winch drum through a reduction gearbox. / *Comply / Not Comply
The winch shall have an average line speed of not less then 2 metres per minute at an engine speed of ±850 rpm controlled by a pressure compensated adjustable flow control valve. / *Comply / Not Comply
The maximum operating pressure of the hydraulic system shall be limited by a relief valve set at 250 Bar. / *Comply / Not Comply
The hoist and lowering functions of the winch shall be controlled by a single hand lever operated control valve with a spring return to neutral function. / *Comply / Not Comply
The hydraulic system with an over centre valve for the prevention of over speeding by the winch when lowering a load shall be provided. / *Comply / Not Comply
The hydraulic system shall incorporate a hydraulic reservoir equipped with a filler/breather, drain plug and a fluid level gauge as well as a spin on element type 10 micron return line filter with pressure gauge showing the filter condition. / *Comply / Not Comply
The filler/breather shall be of a type that will prevent rain and water spray from entering the hydraulic reservoir. / *Comply / Not Comply
All hydraulic piping and fittings necessary for satisfactory operations shall be provided. / *Comply / Not Comply
The piping shall be of a sufficient bore as to limit heat built-up at a maximum speed of up to 2 900 rpm. / *Comply / Not Comply
A hydraulic pump of the correct capacity to provide the required line speed shall be provided and it must be fitted directly to the power take-off of the truck tractor. / *Comply / Not Comply
The capacity of the pump provided shall not have a line speed of more then 4,5 metres per minute at an engine speed of ±850 rpm with the flow control valve at its maximum setting to limit heat build-up. / *Comply / Not Comply
The complete winch arrangement with the hydraulic reservoir, control valve and filter shall be mounted on a sturdy frame that can easily be bolted to a truck chassis frame. / *Comply / Not Comply
The hydraulic system shall include quick couplers for the connection of hoses to the semi trailer detachable gooseneck actuating cylinders. Pressure and flow shall be suited to the application. A cylinder operating valve shall be fitted. / *Comply / Not Comply
An easily accessible hook shall be fitted to the winch frame onto which the winch rope eye can be hooked for safe storage when the winch is not in use. / *Comply / Not Comply
The control valve shall be mounted on the left hand side of the truck tractor at a level easily reachable by the driver when standing on the ground. / *Comply / Not Comply
The winch shall be painted with a primer and two coats of enamel paint of the same colour as the truck chassis frame members. / *Comply / Not Comply
The viscosity of the hydraulic fluid required shall be painted onto the hydraulic reservoir near the filler cap. / *Comply / Not Comply
Comply / Not Comply
19. / GENERAL SPECIFICATION – G1
Clause 13, Tow Hitch, is herby amended to include hitch pins of minimum diameter 30. / *Comply / Not Comply
DEPARTMENT OF WATER AFFAIRS
TECHNICAL SCHEDULE
BID W0760 (WTE)
The Technical Schedule must be completed in full; failure to comply will invalidate your bid
Clearly delete/cross-out whichever is not applicable at YES/NO questions
DETAILS OF OFFER1. / MAKE AND MODEL
Truck manufacturer / ______
Year of manufacture / ______
Make and model / ______
Country of origin / ______
3. / TRANSMISSION
Model / ______
Manufacturer / ______
Number of gears:
Forward / ______
Reverse / ______
Is transmission guaranteed for duties specified? / YES / NO
Maximum top speed on level road and loaded (35 000 kg GCM) and (50 000 kg (GCM) / ______km/h
Maximum speed on a 4% grade (35 000 kg GCM) and (50 000 kg (GCM) / ______
Are lockable differentials provided? / YES / NO
Is automatic shift gearbox offered? / YES / NO
4. / ENGINE
Model / ______
Net power output / ______Kw
Rated r.p.m / ______r.p.m
Maximum torque / ______Nm
Cubic capacity / ______cm³
Number of cylinders / ______
DETAILS OF OFFER
Fuel consumption at full load / ______ℓ/h
Type of engine brake / ______
Maximum coolant temperature under extreme conditions / ______˚C
Fuel tank capacity / ______ℓ
5. / AIR CLEANER
Make and model / ______
Is air cleaner provided with a safety element? / YES / NO
Are safety elements locally made? / YES / NO
6. / TYRES
Tredco rating / ______kg
Tyre size and ply / ______
Tyre load capacity:
(a)Front / ______kg
(b)Rear / ______kg
7. / DESIGN DATA
Tare mass front axle / ______kg
Tare mass rear axle / ______kg
Carrying capacity (Legal payload) - Normal / ______kg
- Abnormal / ______kg
Manufacturer’s GCM- Normal / ______kg
- Abnormal / ______kg
8. / MANUFACTURER’S AXLE RATINGS
Front / ______
Rear (each) / ______
10. / RETARDER
Make / ______
Maximum force / ______
11. / GENERAL SPECIFICATIONS – G1
Does the bid comply with the conditions contained in the “General Specifications – G1”? / YES / NO
If not, please specify the deviations / ______
DETAILS OF OFFER
12. / WINCH
What is the minimum capacity of the winch offered? / ______ton
Is the winch fitted as specification? / YES / NO
13. / GENERAL
(a)Are all the required accessories fitted? / YES / NO
(b)Are all drawings, brochures, graphs and sheets submitted? / YES / NO
(c)Is the offer completely to specification? / YES / NO
(d)State all deviations from the specifications / ______
______
Please not that failure to furnish all required technical specifications, brochures and information of products offered will invalidate the Bid.
DEPARTMENT OF WATER AFFAIRS
CONSTRUCTION DIRECTORATE
GENERAL SPECIFICATIONS – G1 (ON ROAD TRUCKS)
(NOVEMBER 2009)
This General Specification shall be read in conjunction with and shall form part of the foregoing Specification.
The equipment to be supplied shall comply with all specifications contained herein unless otherwise stated in the Specification.
Where this General Specification has limited application, those clauses which have relevance are listed in the Specification.
Where the requirements of this General Specification conflicts with those of the Specification the requirements of the Specification shall take precedence.
The column under “Comply / Not Comply” shall be completed by the bidders, given details of equipment offered. In cases where it is considered that the requirements of this General Specification do not apply, N/A shall be inserted under “Comply / Not Comply”.
GENERAL SPECIFICATION – G1
INDEX
- Road Traffic Regulations
- Duty
- Engine
- Fuels – Lubricants – Oils
- Air Filters
- Cabs
- Instruments
- Brakes
- Lights – Reflectors – Warning signs
- Mirrors
- Radiators
- Tyres
- Tow Hitch
- Tools – Tool Box
- Battery Box
- Document Box
- Protection
- Rear Underrun Protection Devices
- Mudguards
- Painting
- Identification Numbers
- Vehicle Rating Plates
- Registration Number Plates
- Services
- Inspection
- Commissioning
- Manuals
- Brochures – Data Sheets – Drawings
- Payment
- Check list
GENERAL SPECIFICATION – G1
Comply / Not Comply1. / ROAD TRAFFIC REGULATIONS
All vehicles and equipment shall in all respects comply with the Road Traffic Act No. 29 of 1989 and Regulations and the SABS Compulsory Vehicle Standards unless otherwise stated. / TAKE NOTE
2. / DUTY
The trucks shall be capable of satisfactory operation under the arduous conditions encountered in the service of the Department, at all altitudes up to 1 500 m above mean sea level and in ambient temperatures varying 0˚ and 40˚C. / TAKE NOTE
3. / ENGINE
(a)The engine shall be of the diesel type, water or air-cooled. / *Comply / Not Comply
(b)The net power output is the maximum kW at maximum allowable operating speed of the engine. / TAKE NOTE
(c)The net power output referred to in the specification shall be measured in accordance with the requirements of SABS 013-1977 and subsequent amendments at 1 400 m A.S.L.
Bids which quote gross power which excludes deductions for parasitic losses may be disqualified. / TAKE NOTE
(d)Engines shall be fitted with governors to limit their speed to the maximum allowable engine speed. / TAKE NOTE
(e)The engine shall be fitted with an approved diesel fuel draining water trap. The water trap shall be fitted in such a position in the fuel line that it is gravity fed from the fuel tank. Water traps which do not require to be gravity fed will be considered providing full details of operation are supplied. The water trap shall be adequately protected by an easily removable wire cage or by the structure of the machine.
The water trap shall be approved by the engine manufacturer. / *Comply / Not Comply
(f)The fuel and oil filters shall be of the full flow type and shall have replaceable elements. / *Comply / Not Comply
(g)An approved audible warning device which operates in the event of low lubrication oil pressure as well as excessive engine temperature shall be fitted. Types that shut down the engine completely are not acceptable on self-propelled machines unless a warning is given to the operator prior to engine shutdown.