design, fabrication, testing and supply of 10t capacity … · 2019-12-10 · design, fabrication,...

DESIGN, FABRICATION, TESTING AND SUPPLY OF 10T CAPACITY WELL BED AIR SUSPENSION TRAILER

ANNEXURE – 2.1: INDENT SPECIFICATIONS

1. Description of trailer : WELL BED AIR SUSPENSION SEMI-TRAILER

2. Payload carrying capacity : 10 tons

3. Tractors considered for mating with proposed trailer

TATA Prima LX 5530.S / TATA Signa LX4923.S / Ashok Leyland U-4923 TT 6X4

4. Quantity required : 1 no (One)

5.

Utilization: The proposed trailer will be used for the transportations of like Base

shroud, GSE of spacecraft, Instrumentation racks, SS1 Nozzle transportation, Inter

stages, Propellant carts, Satellites internally.

6. Loading Scheme: The detailed configuration of trailer, loading scheme and indicative

brake system schematics are provided in Annexure – 2.2, 2.3 & 2.4 respectively.

7. Un-laden weight of the Trailer : around 8t

8. Gross laden weight of the Trailer: around 18t

9. Overall length of the trailer: ~ 11795 mm

10. Overall width of the trailer: ~ 3000 mm

11. Platform length & width at well bed area : 4500 x 3000 mm

12. Gooseneck platform dimensions : ~ 3545 x 3000 mm

13. Un-laden height of the trailer platform at well bed area: ~ 600 mm

14. Ground clearance: around 250 mm (between ground and lowest part of trailer)

15. Operating speed: 40 kmph – Under no load and 20 kmph – with full load

16. Operating environment: Operating Temp 100C to 500C, Relative Humidity-95%

17. Chassis & structure

a. Main longitudinal members: 2 nos of fabricated ‘I’ section of material IS 2062

E350 should run full length of the trailer. (Dimensions of I-section to be

mentioned).

b. Cross members: Material shall be IS:2062 provided at suitable pitches.

(Dimensions of cross beams section to be mentioned in the design report).

c. Platform: Platform shall be provided with minimum 6 mm thick Aluminium

Chequered plate. The platform should withstand to a UDL of 500 kg/m2.

d. Welding: Trailer chassis frame shall be all welded construction as per AWS D1.1

code. Welding design calculations should be submitted.

e. Acceleration / Deceleration forces: Force due to acceleration / deceleration of

1.5g shall be taken into consideration for design of trailer structure.

f. Factor of safety: Minimum 2.5 factor of safety on Yield stress shall be considered

18. Deflection:

a. Allowable Deflection at the middle of trailer shall be L/500 for the rated payload

b. No permanent set is allowed for over load test.

19. Rubbing plate

a. Trailer Rubbing plate shall be capable to withstand the Reaction load, imposing on


the King pin.

b. Rubbing plate area shall be around 1200 mm x 1200 mm.

c. Rubbing plate height shall be 1400mm + 25 & – 0 mm from the ground as per IS:

8007-2004.

d. Minimum distance between driver cabin rear end and front edge of the trailer

platform shall be around 1450 mm such that 90 degree turn can be taken by the

Prime mover without trailer obstruction.

e. Distance between the centre of the kingpin to the front edge to the gooseneck

underneath the chassis shall be around 2400 mm.

20. King pin

a. 3 ½ -inch king pin shall be provided at front end of trailer as per IS 6763 part-2.

Schematic of the king pin location is provided in Annexure-2.2

b. D-value calculations shall be submitted for Kingpin for 10t payload.

c. Standard and certified make kingpins will only be accepted, preferably JOST /

Rockinger / Ringfeder / Orlandi. (Test certificate/COC shall be submitted).

d. Standard fitment, as suggested by the manufacturer of king pin, shall be followed.

21. Axles

a. Trailer shall be provided with suitable capacity twin axles at the rear end.

b. Ends of axles are precision machined to receive taper roller bearings, hub, brake

drum, etc.

c. Standard make axles, York / BPW / JOST/ADR will only be accepted.

d. Optional item: Self steer axles shall be quoted separately.

22. Tyre and wheel rim for twin axles

a. Four tyres per axle line with tyre + tube + flap and standard disc assemblies of

total quantity - 8 nos.

b. Long inflation necks or adaptors shall be provided for accessing inner wheels for

filling / checking tyre inflation.

c. Even if one tire gets punctured, the trailer shall be capable to withstand the SWL.

23. Suspension

a. Pneumatic suspension shall be provided for axles of standard makes BPW/York/SAF

b. Air suspension system shall be provided with Air bellows, Height control valves,

pressure gauges and pressure regulators.

c. In case of failure of one bellow airline of the system shall be blocked automatically.

24. Landing legs

Trailer shall be provided with York/Jost/BPW make two speed landing legs - 2 pairs

each pair capacity (1 set = 2nos) around 15t and the schematic of landing legs position

is provided in Annexure-2.2.

25. Twin pipe line air brake system with relay emergency valve

a. Service Brake: Air operated diaphram brake chambers with dual line arrangement

shall be provided which should be actuated from tractor. Standard makes, Wabco /


Knorr Bremse/ Haldex shall only be used. Two axle lines shall be fitted with T30/30

brake chambers.

b. Parking Brake: Air operated parking brake system should be provided for both

axle wheels and the same should be operated from trailer end.

26. Brake system components

a. Trailer shall be provided with Air reservoirs with minimum 80 liters capacity with

auto drain valve, air pressure regulator with pressure gauges minimum 12 bar – 2

nos, Non return valve -1 no, Relay Emergency valve - 1 no, T30/30 brake chambers

- 4 nos, on/off valve/Graduated hand control valve - 1 no for parking brakes, palm

couplings- 2 nos, for hauler air connection of suitable length, slack adjustors – 4

nos, Quick release valve and relay valves- 2 nos.

b. Standard air tanks/reservoirs will only be accepted.

c. Indicative Brake system schematic is provided in Annexure-2.4.

27. Brake system configurations

c. In case of accidental detachment of trailer from tractor, all the wheels shall

automatically get brake and trailer shall be stopped safely.

d. When the brake system not coupled, the trailer shall be able to tow with tractor i.e.

without air pressure in trailer, trailer shall be moved.

e. Trailer service brake shall be applied from tractor driver cabin with brake pedal.

28. Electrical system

a. 12/24V DC electric system which includes Tail lamp, Brake lamps and direction

indicators fitted on rear end of the trailer.

b. Red reflectors shall be provided as per RTO standards.

c. 3 nos. of Convoy/red stop lamps shall be provided at both sides of the trailer.

d. 7-pin Connector shall be provided for trailer front face to connect the Hauler

electrical supply line.

e. Electrical wiring materials shall be of standard make and routed through GI tubes

with minimum bends and without any joints.

f. All light fittings shall be weather proof construction.

g. Male and Female sockets shall be provided with sufficient length of cables to

connect with hauler supply point.

29. Painting

Trailer shall be surface prepared and painted as per the following specifications:

a. Sand / Grit/Abrasive Blasting: The entire surface of fabricated materials /

frames of trailer are to be sand/grit/abrasive blasted to near white metal quality of

SA 2½ of steel structures painting council (SSPC) standard. Surface should be

thoroughly cleaned to remove rust, oil, grease, dirt or other matter before

application of primer paint coat.

b. Painting (Spray painting only to be applied): Immediately after sand /

abrasive blasting, one coat of epoxy primer (Akzonobel Interzine


52/Berger/Gerlac) shall be applied to a dry film thickness (DFT) of 50 microns.

c. Intermediate coating with epoxy paint (Akzonobel Interzine 52/Berger/Gerlac) shall

be applied to a dry film thickness (DFT) of 150 microns.

d. Final coating with polyurethane finish paint (Akzonobel Interzine 52/Berger/Gerlac)

shall be applied to a dry film thickness (DFT) of 50 microns.

e. Any intermediate cleaning & drying time required between successive coats of paint

is to be carried out as per the recommendation of paint manufacturer.

f. Supplier shall provide measuring instrument to the representative of the purchaser

for measurement of thickness of paint at random locations selected by him to

confirm the required minimum DFT.

g. Tentative painting scheme shall be as follows:

Under chassis: Black, Axles, brake drum, hubs: Brown, Wheels: Golden

yellow, Sides and rear: Golden yellow with black stripes of 100mm width.

Painting colour scheme will be finalized during detail engineering phase.

h. Red colour reflective sheet of letter size: 80 mm height and 60 mm width.

i. SWL: 10 tons, STOP, Number/Name plate, VALF, MHS shall be painted at suitable

locations on the trailer. Letter writing shall be done as per our requirement.

j. “SLC PROJECT“ on all three sides of the trailer platform except front side.

30. ITEMS SHALL BE SUPPLIED ALONG WITH THE TRAILER

a. Self-closing type palm couplings – 2 sets

b. Coil type pneumatic hoses for trailer and hauler interface - 2 nos.

c. Wheel Nut spanner with long lever – 1 no

d. Hub nut spanner with lever – 2 nos.

e. Spare wheel mounted with tyre+ tube+ flap+ disc –1 no

f. Bearings - Wheel inner & outer – 2 sets

g. Hub oil seals - 8 sets

h. Air bellows – 2 nos

i. Height control valve – 1 no

j. Hydraulic jack of capacity 20t – 1 no

k. Air operated Grease Gun of capacity 20 kg (minimum)

l. Standard tool box – 1 no (6-32 ring end double end spanners + cutting plier +

hammer screw drivers etc.

m. Wheel stoppers – 02 nos

31. OTHER FITTINGS

a. Mudguards: Full Mudguards shall be provided for all the wheels

b. Mudguard flaps for wheels shall be provided

c. Side under run protection should be provided for trailer on either side.

d. Rear under run protection should be provided as per standards.

e. Provision should be provided at 4 locations for hanging Brass chains and at 2


locations brass chains to be hanged at Rear and the chains should touch ground.

f. Provision for fixing red flags at rear of the trailer with a pipe id of 20 mm to a

length of 100 mm with bottom closing.

g. Tool box of size around 1.5x1.5x1,’’size, with hinged lid and locking facility should

be provided preferably below the trailer platform.

h. Triangular shaped lashing hooks with 10mm rod diameter should be provided on all

four sides of the trailer platform with a spacing of 1m.

i. Number board and stop board at rear end of the trailer on LH and RH sides.

j. One Spare wheel mounting bracket with loading/un loading with a rope and drive

mechanism, below the trailer platform.

k. All fasteners shall be of Electro galvanized Unbrako, TVS or GKW make only shall be

used (IS1367).

32. Quality assurance

QA Plan and other documents to be provided along with the tender

a. The tenderer should submit a quality assurance plan to ensure quality of raw

materials, bought out items and fabrication confirming to the specifications.

b. General Assembly drawing

c. Basic design details of the trailer for study and approval

d. Brake system layout containing pat numbers for each item, brake lining size and

brake chamber sizes etc.,

e. Load reaction calculations

f. Details of bought out items, components and assemblies

g. Test certificate issued by the manufacturer for 2 inch king pin and other bought-

out items shall be furnished at the time of Stage Inspection.

h. Turning circle radius diagram with inner and outer turning circle radius for prime

mover and trailer combination.

i. Technical specifications / technical leaflets of the components and other sub-

assemblies.

j. Party shall have minimum three years of experience in trailer design and

manufacturing and the experience certificate shall be enclosed in the quotation.

k. Addresses of the organizations for whom the tenderer has supplied similar trailers.

List of Annexures for 10t capacity well bed air suspension semi-trailer:

Annexure-2.1: Indent specifications of 10t capacity well bed air suspension trailer

Annexure-2.2: Schematic of 10t capacity well bed air suspension trailer

Annexure-2.3: Loading scheme of 10t capacity well bed air suspension trailer

Annexure-2.4: Schematic of Brake system for 10t well bed air suspension trailer

Annexure-2.5: Compliance statement of 10t capacity well bed air suspension trailer


S.No TERMS & CONDITIONS

1. GENERAL

a. Party should submit a duly filled and signed compliance statement, provided in

Annexure 2.5, without which the quote will not be considered.

b. Dimensions mentioned in the Annexures are indicative only. Necessary corrections

can be proposed by party at the time of design acceptance, the same should have

the acceptance of the Indentor.

c. Party should submit a quality assurance plan to ensure quality of raw materials,

bought out items and fabrication confirming to the specifications.

d. Design clearance approval from SDSC SHAR to be obtained before taking up

fabrication.

2. INSPECTION:

a. Trailer Design shall be approved / cleared by the Purchaser before taking up

fabrication by the contractor. The trailer will be inspected at various stages during

fabrication stage.

- Raw material Inspection

- In-process Inspection

- Final Inspection

b. For stage and final inspections, the supplier should extend all assistance to the

representatives of the Purchaser.

c. During fabrication, trailer and other accessories will be inspected by the

representatives of the Purchaser at the works site of supplier to ensure the trailer is

fabricated as per Purchase order specifications.

d. Trailer shall be load tested for rated capacity and overload tested for 125% at

supplier’s works site. Necessary prime mover, dead weights and procedure for load

testing / over load testing shall be provided by the Supplier.

e. Final inspection will be done after completion of works as per the Purchase Order

specifications then only the trailer will be cleared for transportation to Sriharikota.

f. Any modifications or corrections brought to the notice of the supplier at the time of

inspection should be corrected by the party at free of cost.

g. In case of any disputes, decision of the Purchaser will be final.

3. Delivery and transportation:

a. Delivery Period: Delivery shall be made within six months from the date of receipt

of Purchase Order including design report submission and clearances from

department. Party shall submit design report within one month from the date of PO.

b. Proposed trailer is tentatively planned for commissioning at SDSC SHAR, Sriharikota

at present, which is about around 90 km from Chennai. However, if required

proposed trailer may need to be transported to alternate place, based on the

technical requirements, if required, which will be decided during the tenure of the

purchase order. Hence the bidders are advised to indicate the base price and

transportation charges separately in the price bid, which will enable Department to

re-process the transportation charges, for suitable amendment in case if required.


c. Bidders are also requested to mention the per km charges considered for

transportation of systems from bidders site to Sriharikota, which will enable

Department to assess the transportation charges for other places, if required.

4. Load testing and commissioning

a. The party should submit Load test plan for evaluation of the trailer at work site.

b. Commissioning and final load testing shall be carried out to the trailer for smooth

operation at Purchaser’s site i.e., SDSC SHAR, Sriharikota.

c. The trailer should be load tested to its SWL and over load test to 1.25 times the SWL

at work site before dispatch of trailer.

d. Necessary prime mover and dead weights shall be provided by the party during

commissioning and load testing at Work site.

e. Load testing will be carried out in presence of representative of supplier. Any minor

modifications after load testing shall be done by the supplier with no extra cost

5. Registration of trailer

a. Registration of the equipment from nearest RTA is in the scope of the supplier.

Necessary documentary support will be provided by the department upon request

from supplier.

b. Sale certificate shall be in the name of Director, SDSC SHAR, Sriharikota, 524 124.

c. Party shall submit all the necessary documents of the equipment in duplicate i.e.,

Form no: 20, 21 & 22, Sale certificate, Invoice copies and road worthiness certificate

as per Motor Vehicle Act, used for registration.

d. The charges incurred for registration shall be paid to the supplier based submission

of documentary evidence.

e. The supplier should mention the registration charges separately in quotation.

6. DOCUMENTS TO BE SUBMITTED:

a. Party should submit Design details of the trailer with in fifteen days after receipt of

PO for review and approval of department

b. Load reaction calculations should be submitted.

c. Details of materials and components used with their specifications / catalogues

d. Maintenance manual - 2 nos and Spare parts manual – 2 nos. The manuals should

also be supplied in soft copies preferably in CD form.

e. Design report along with final CAD drawings of trailer, major components assembly

drawings and circuit diagrams should be submitted both hard and soft copies

preferably in CD. 3-D drawings, if any shall be submitted in soft copy.

f. Axles, turn table and kingpin test certificates shall be submitted at the time of supply

7. Warranty

The equipment shall be warranted against all manufacturing defects, defects arising out

of poor material or poor workmanship, for a period of 12 months from the date of

commissioning of the trailer at SDSC SHAR.

Tool Box

Rear Under run protection

4500

750

1100

350

600

1420

3

1

2

inch King pin

Annexure - 2.2 - SCHEMATIC OF 10T WELL BED SEMI TRAILER

Note: All dimensions are Indicative, expect Loading platform Length and width

Stephney

4500

3750

Landing Legs Landing

Legs

1400

1300

3000

Payload : 10t

Self weight of trailer : 8t

3545

3000

3750

11795

Rear Under run protection

750

1420

Annexure - 2.3 - LOADING SCHEME OF 10T WELL BED SEMI TRAILER

Note: All dimensions are Indicative, expect Loading platform Length and width

3750

1400

1300

2500

550

3545

Payload : 10t

Self weight of trailer : 8t

RE-6

4

AIR TANK

AIR TANK

SLACK ADJUSTER

TEE CONNECTOR

HAND CONTROL VALVE

RELAY VALVE

NON RETURN VALVE

FIRST AXLE

SECOND AXLE

SLACK ADJUSTER

RELAY VALVE

QUICK RELEASE VALVE

PALM COUPLING

PALM COUPLING

TO SUSPENSION

TO SUSPENSION SYSTEM

QUICK RELEASE VALVE

TEE CONNECTOR

RELAY VALVE

SERVICE LINE (YELLOW)

EMERGENCY LINE (RED)

T30/30 BRAKE CHAMBER



AIR PRESSURE RUGULATOR

WITH GAUGE

AIR PRESSURE

RUGULATOR

WITH GAUGE

Annexure - 2.4: Indicative Brake system for 10t Air suspension well bed trailer



ANNEXURE – 2.5: COMPLIANCE STATEMENT

S.no Description Compliance

1. Description of trailer: WELL BED AIR SUSPENSION SEMI-TRAILER

2. Payload carrying capacity : 10 tons

3. Tractors considered for mating with proposed trailer

TATA Prima LX 5530.S / TATA Signa LX4923.S / Ashok Leyland U-4923

TT 6X4

4. Quantity required : 1 no (One)

5.

Utilization: The proposed trailer will be used for the transportations of

like Base shroud, GSE of spacecraft, Instrumentation racks, SS1 Nozzle

transportation, Inter stages, Propellant carts, Satellites internally.

6.

Loading Scheme: The detailed configuration of trailer, loading

scheme and indicative brake system schematics are provided in

Annexure – 2.2, 2.3 & 2.4 respectively.

7. Un-laden weight of the Trailer : around 8t

8. Gross laden weight of the Trailer: around 18t

9. Overall length of the trailer: ~ 11795 mm

10. Overall width of the trailer: ~ 3000 mm

11. Platform length & width at well bed area : 4500 x 3000 mm

12. Gooseneck platform dimensions : ~ 3545 x 3000 mm

13. Un-laden height of the trailer platform at well bed area: ~ 600 mm

14. Ground clearance: around 250 mm (between ground and lowest part

of trailer)

15. Operating speed: 40 kmph – Under no load and 20 kmph – with full

load

16. Operating environment: Operating Temp 100C to 500C, Relative

Humidity-95%

17. Chassis & structure

a. Main longitudinal members: 2 nos of fabricated ‘I’ section of

material IS 2062 E350 should run full length of the trailer.

(Dimensions of I-section to be mentioned).

b. Cross members: Material shall be IS:2062 provided at suitable

pitches. (Dimensions of cross beams section to be mentioned in the

design report).

c. Platform: Platform shall be provided with minimum 6 mm thick

Aluminium Chequered plate. The platform should withstand to a

UDL of 500 kg/m2.

d. Welding: Trailer chassis frame shall be all welded construction as

per AWS D1.1 code. Welding design calculations should be

submitted.



e. Acceleration / Deceleration forces: Force due to acceleration /

deceleration of 1.5g shall be taken into consideration for design of

trailer structure.

f. Factor of safety: Minimum 2.5 factor of safety on Yield stress shall

be considered

18. Deflection:

a. Allowable Deflection at the middle of trailer shall be L/500 for the

rated payload

b. No permanent set is allowed for over load test.

19. Rubbing plate

a. Trailer Rubbing plate shall be capable to withstand the Reaction

load, imposing on the King pin.

b. Rubbing plate area shall be around 1200 mm x 1200 mm.

c. Rubbing plate height shall be 1400mm + 25 & – 0 mm from the

ground as per IS: 8007-2004.

d. Minimum distance between driver cabin rear end and front edge of

the trailer platform shall be around 1450 mm such that 90 degree

turn can be taken by the Prime mover without trailer obstruction.

e. Distance between the centre of the kingpin to the front edge to the

gooseneck underneath the chassis shall be around 2400 mm.

20. King pin

a. 3 ½ -inch king pin shall be provided at front end of trailer as per IS

6763 part-2. Schematic of the king pin location is provided in

Annexure-2.2

b. D-value calculations shall be submitted for Kingpin for 10t payload.

c. Standard and certified make kingpins will only be accepted,

preferably JOST / Rockinger / Ringfeder / Orlandi. (Test

certificate/COC shall be submitted).

d. Standard fitment, as suggested by the manufacturer of king pin,

shall be followed.

21. Axles

a. Trailer shall be provided with suitable capacity twin axles at the rear

end.

b. Ends of axles are precision machined to receive taper roller

bearings, hub, brake drum, etc.

c. Standard make axles, York / BPW / JOST/ADR will only be accepted.

d. Optional item: Self steer axles shall be quoted separately.

22. Tyre and wheel rim for twin axles

a. Four tyres per axle line with tyre + tube + flap and standard disc



assemblies of total quantity - 8 nos.

b. Long inflation necks or adaptors shall be provided for accessing

inner wheels for filling / checking tyre inflation.

c. Even if one tire gets punctured, the trailer shall be capable to

withstand the SWL.

23. Suspension

a. Pneumatic suspension shall be provided for axles of standard makes

BPW/York/SAF

b. Air suspension system shall be provided with Air bellows, Height

control valves, pressure gauges and pressure regulators.

c. In case of failure of one bellow airline of the system shall be

blocked automatically.

24. Landing legs

Trailer shall be provided with York/Jost/BPW make two speed landing

legs - 2 pairs each pair capacity (1 set = 2nos) around 15t and the

schematic of landing legs position is provided in Annexure-2.2.

25. Twin pipe line air brake system with relay emergency valve

a. Service Brake: Air operated diaphram brake chambers with dual

line arrangement shall be provided which should be actuated from

tractor. Standard makes, Wabco / Knorr Bremse/ Haldex shall only

be used. Two axle lines shall be fitted with T30/30 brake

chambers.

b. Parking Brake: Air operated parking brake system should be

provided for both axle wheels and the same should be operated

from trailer end.

26. Brake system components

a. Trailer shall be provided with Air reservoirs with minimum 80 liters

capacity with auto drain valve, air pressure regulator with pressure

gauges minimum 12 bar – 2 nos, Non return valve -1 no, Relay

Emergency valve - 1 no, T30/30 brake chambers - 4 nos, on/off

valve/Graduated hand control valve - 1 no for parking brakes, palm

couplings- 2 nos, for hauler air connection of suitable length, slack

adjustors – 4 nos, Quick release valve and relay valves- 2 nos.

b. Standard air tanks/reservoirs will only be accepted.

c. Indicative Brake system schematic is provided in Annexure-2.4.

27. Brake system configurations

c. In case of accidental detachment of trailer from tractor, all the

wheels shall automatically get brake and trailer shall be stopped

safely.



d. When the brake system not coupled, the trailer shall be able to tow

with tractor i.e. without air pressure in trailer, trailer shall be

moved.

e. Trailer service brake shall be applied from tractor driver cabin with

brake pedal.

28. Electrical system

a. 12/24V DC electric system which includes Tail lamp, Brake lamps

and direction indicators fitted on rear end of the trailer.

b. Red reflectors shall be provided as per RTO standards.

c. 3 nos. of Convoy/red stop lamps shall be provided at both sides of

the trailer.

d. 7-pin Connector shall be provided for trailer front face to connect

the Hauler electrical supply line.

e. Electrical wiring materials shall be of standard make and routed

through GI tubes with minimum bends and without any joints.

f. All light fittings shall be weather proof construction.

g. Male and Female sockets shall be provided with sufficient length of

cables to connect with hauler supply point.

29. Painting

Trailer shall be surface prepared and painted as per the following

specifications:

a. Sand / Grit/Abrasive Blasting: The entire surface of fabricated

materials / frames of trailer are to be sand/grit/abrasive blasted to

near white metal quality of SA 2½ of steel structures painting

council (SSPC) standard. Surface should be thoroughly cleaned to

remove rust, oil, grease, dirt or other matter before application of

primer paint coat.

b. Painting (Spray painting only to be applied): Immediately

after sand / abrasive blasting, one coat of epoxy primer

(Akzonobel Interzine 52/Berger/Gerlac) shall be applied to a

dry film thickness (DFT) of 50 microns.

c. Intermediate coating with epoxy paint (Akzonobel Interzine

52/Berger/Gerlac) shall be applied to a dry film thickness (DFT) of

150 microns.

d. Final coating with polyurethane finish paint (Akzonobel Interzine

52/Berger/Gerlac) shall be applied to a dry film thickness (DFT) of

50 microns.

e. Any intermediate cleaning & drying time required between

successive coats of paint is to be carried out as per the

recommendation of paint manufacturer.



f. Supplier shall provide measuring instrument to the representative of

the purchaser for measurement of thickness of paint at random

locations selected by him to confirm the required minimum DFT.

g. Tentative painting scheme shall be as follows:

Under chassis: Black, Axles, brake drum, hubs: Brown,

Wheels: Golden yellow, Sides and rear: Golden yellow with black

stripes of 100mm width.

Painting colour scheme will be finalized during detail engineering

phase.

h. Red colour reflective sheet of letter size: 80 mm height and 60 mm

width.

i. SWL: 10 tons, STOP, Number/Name plate, VALF, MHS shall be

painted at suitable locations on the trailer. Letter writing shall be

done as per our requirement.

j. “SLC PROJECT“ on all three sides of the trailer platform except

front side.

30. ITEMS SHALL BE SUPPLIED ALONG WITH THE TRAILER

a. Self-closing type palm couplings – 2 sets

b. Coil type pneumatic hoses for trailer and hauler interface - 2 nos.

c. Wheel Nut spanner with long lever – 1 no

d. Hub nut spanner with lever – 2 nos.

e. Spare wheel mounted with tyre+ tube+ flap+ disc –1 no

f. Bearings - Wheel inner & outer – 2 sets

g. Hub oil seals - 8 sets

h. Air bellows – 2 nos

i. Height control valve – 1 no

j. Hydraulic jack of capacity 20t – 1 no

k. Air operated Grease Gun of capacity 20 kg (minimum)

l. Standard tool box – 1 no (6-32 ring end double end spanners +

cutting plier + hammer screw drivers etc.

m. Wheel stoppers – 02 nos

31. OTHER FITTINGS

a. Mudguards: Full Mudguards shall be provided for all the wheels

b. Mudguard flaps for wheels shall be provided

c. Side under run protection should be provided for trailer on

either side.

d. Rear under run protection should be provided as per standards.

e. Provision should be provided at 4 locations for hanging Brass chains



and at 2 locations brass chains to be hanged at Rear and the chains

should touch ground.

f. Provision for fixing red flags at rear of the trailer with a pipe id of 20

mm to a length of 100 mm with bottom closing.

g. Tool box of size around 1.5x1.5x1,’’size, with hinged lid and

locking facility should be provided preferably below the trailer

platform.

h. Triangular shaped lashing hooks with 10mm rod diameter should be

provided on all four sides of the trailer platform with a spacing of

1m.

i. Number board and stop board at rear end of the trailer on LH and

RH sides.

j. One Spare wheel mounting bracket with loading/un loading with a

rope and drive mechanism, below the trailer platform.

k. All fasteners shall be of Electro galvanized Unbrako, TVS or GKW

make only shall be used (IS1367).

32. Quality assurance

QA Plan and other documents to be provided along with the

tender

a. The tenderer should submit a quality assurance plan to ensure

quality of raw materials, bought out items and fabrication

confirming to the specifications.

b. General Assembly drawing

c. Basic design details of the trailer for study and approval

d. Brake system layout containing pat numbers for each item, brake

lining size and brake chamber sizes etc.,

e. Load reaction calculations

f. Details of bought out items, components and assemblies

g. Test certificate issued by the manufacturer for 2 inch king pin and

other bought-out items shall be furnished at the time of Stage

Inspection.

h. Turning circle radius diagram with inner and outer turning circle

radius for prime mover and trailer combination.

i. Technical specifications / technical leaflets of the components and

other sub-assemblies.

j. Party shall have minimum three years of experience in trailer design

and manufacturing and the experience certificate shall be enclosed

in the quotation.

k. Addresses of the organizations for whom the tenderer has supplied

similar trailers.



List of Annexures for 10t capacity well bed air suspension

semi-trailer:

Annexure-2.1: Indent specifications of 10t capacity well bed air

suspension trailer

Annexure-2.2: Schematic of 10t capacity well bed air suspension trailer

Annexure-2.3: Loading scheme of 10t capacity well bed air suspension

trailer

Annexure-2.4: Schematic of Brake system for 10t well bed air

suspension trailer

Annexure-2.5: Compliance statement of 10t capacity well bed air

suspension trailer

S.No TERMS & CONDITIONS


1. GENERAL

a. Party should submit a duly filled and signed compliance statement,

provided in Annexure 2.5, without which the quote will not be

considered.

b. Dimensions mentioned in the Annexures are indicative only.

Necessary corrections can be proposed by party at the time of

design acceptance, the same should have the acceptance of the

Indentor.

c. Party should submit a quality assurance plan to ensure quality of raw

materials, bought out items and fabrication confirming to the

specifications.

d. Design clearance approval from SDSC SHAR to be obtained before

taking up fabrication.

2. INSPECTION:

a. Trailer Design shall be approved / cleared by the Purchaser before

taking up fabrication by the contractor. The trailer will be inspected

at various stages during fabrication stage.

- Raw material Inspection

- In-process Inspection

- Final Inspection

b. For stage and final inspections, the supplier should extend all

assistance to the representatives of the Purchaser.

c. During fabrication, trailer and other accessories will be inspected by

the representatives of the Purchaser at the works site of supplier to

ensure the trailer is fabricated as per Purchase order specifications.


d. Trailer shall be load tested for rated capacity and overload tested for

125% at supplier’s works site. Necessary prime mover, dead weights

and procedure for load testing / over load testing shall be provided

by the Supplier.

e. Final inspection will be done after completion of works as per the

Purchase Order specifications then only the trailer will be cleared for

transportation to Sriharikota.

f. Any modifications or corrections brought to the notice of the supplier

at the time of inspection should be corrected by the party at free of

cost.

g. In case of any disputes, decision of the Purchaser will be final.

3. Delivery and transportation:

a. Delivery Period: Delivery shall be made within six months from the

date of receipt of Purchase Order including design report submission

and clearances from department. Party shall submit design report

within one month from the date of PO.

b. Proposed trailer is tentatively planned for commissioning at SDSC

SHAR, Sriharikota at present, which is about around 90 km from

Chennai. However, if required proposed trailer may need to be

transported to alternate place, based on the technical requirements,

if required, which will be decided during the tenure of the purchase

order. Hence the bidders are advised to indicate the base price and

transportation charges separately in the price bid, which will enable

Department to re-process the transportation charges, for suitable

amendment in case if required.

c. Bidders are also requested to mention the per km charges

considered for transportation of systems from bidders site to

Sriharikota, which will enable Department to assess the

transportation charges for other places, if required.

4. Load testing and commissioning

a. The party should submit Load test plan for evaluation of the trailer at

work site.

b. Commissioning and final load testing shall be carried out to the

trailer for smooth operation at Purchaser’s site i.e., SDSC SHAR,

Sriharikota.

c. The trailer should be load tested to its SWL and over load test to

1.25 times the SWL at work site before dispatch of trailer.

d. Necessary prime mover and dead weights shall be provided by the

party during commissioning and load testing at Work site.

e. Load testing will be carried out in presence of representative of

supplier. Any minor modifications after load testing shall be done by

the supplier with no extra cost


5. Registration of trailer

a. Registration of the equipment from nearest RTA is in the scope of

the supplier. Necessary documentary support will be provided by the

department upon request from supplier.

b. Sale certificate shall be in the name of Director, SDSC SHAR,

Sriharikota, 524 124.

c. Party shall submit all the necessary documents of the equipment in

duplicate i.e., Form no: 20, 21 & 22, Sale certificate, Invoice copies

and road worthiness certificate as per Motor Vehicle Act, used for

registration.

d. The charges incurred for registration shall be paid to the supplier

based submission of documentary evidence.

e. The supplier should mention the registration charges separately in

quotation.

6. DOCUMENTS TO BE SUBMITTED:

a. Party should submit Design details of the trailer with in fifteen days

after receipt of PO for review and approval of department

b. Load reaction calculations should be submitted.

c. Details of materials and components used with their specifications /

catalogues

d. Maintenance manual - 2 nos and Spare parts manual – 2 nos. The

manuals should also be supplied in soft copies preferably in CD form.

e. Design report along with final CAD drawings of trailer, major

components assembly drawings and circuit diagrams should be

submitted both hard and soft copies preferably in CD. 3-D drawings,

if any shall be submitted in soft copy.

f. Axles, turn table and kingpin test certificates shall be submitted at

the time of supply

7. Warranty

The equipment shall be warranted against all manufacturing defects,

defects arising out of poor material or poor workmanship, for a period of

12 months from the date of commissioning of the trailer at SDSC SHAR.

design, fabrication, testing and supply of 10t capacity … · 2019-12-10 · design, fabrication,...

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