reasoned document for draft technical specification and

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Reasoned Document for Draft Technical Specification and Special Technical Conditions for Procurement of Six numbers Self Propelled Ultrasonic Rail Testing (SPURT) Car

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Clause no.

Provision of Draft Technical Specification and Special Technical Conditions for Procurement of Six numbers Self Propelled Ultrasonic Rail Testing (SPURT) Car as up-loaded on 31.08.2017

Comments of M/s MATSA on the uploaded specification

Comments of M/s SPERRY on the uploaded specification

Comments of M/s TAVEMA on the uploaded specification

Comments of M/s CBC Corp. Ind. (P) Ltd. on the uploaded specification

RDSO Remarks on the self review and on Firm’s comments on uploaded specification

Modified Draft Technical Specification and Special Technical Conditions for Procurement of Six numbers Self Propelled Ultrasonic Rail Testing (SPURT) Car as up-loaded on 31.08.2017 after incorporating accepted comments.

1. Scope of Work (Para-4)

….. Beyond the supply of the integrated SPURT Cars, the supplier would also be responsible for providing safety stock / reserves stock of spares on the machine and also provide service of Operation and Maintenance (O&M) for 24 months. Detailed scope of the O&M is given in Chapter-IV. …

----------- ------------ -------------- ----------- During self review some changes in para-4 of “Scope of Work” is suggested and the clause in modified accordingly.

Beyond the supply of the integrated SPURT Cars, the supplier would also be responsible for providing safety stock / reserves stock of spares on the machine and also provide service of Operation and Maintenance (O&M) for 24 months. Detailed scope of the O&M is will be given in Chapter-IV tender document seperately.

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Chapter-I

2. 2.viii Track maintenance on Indian Railways is done as per the provision of “Indian Railways Permanent Way Manual” which also stipulates maintenance tolerances for the guidance of P-Way personnel. The bidder should get themselves acquainted with these stipulations as well as general track conditions prevailing on IR which may be encountered. Track at many locations may not be as per

--------------- ---------------- (Clause, As per Firm’s Comments/Suggestion)

… Track at many

locations may not

be as per the IRPWM

stipulations and the

machine has to be capable of carrying

out the designed to

maximize the

percentage of successful testing

as per the actual

track condition in field.

---------- Comment is not acceptable. This Para stipulates the General service condition for the SPURT car. The machine must have the capability of carrying out the testing as per the actual track condition of Indian Railway.

No change in the clause.

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the IRPWM stipulations and the machine has to be capable of carrying out the testing as per the actual track condition in field.

3. 4 The type of Vehicle proposed to be used, should already have approval to run on Indian Railway system and it should not be a new vehicle to be approved afresh. Vehicle should be so compatible that it can be coupled with Railways rolling stock.

(Clause, As per Firm’s Comments/Sugge

stion)Vehicle should be so compatible that it can be coupled with Railways rolling stock.

---------- --------- --------- Comment is not acceptable as a new type vehicle will take more time for testing and other formalities required to run the vehicle on Indian Railways.


4. 7 The few of the SPURT cars may

-------------- ----------------- … should be

capable of

-------- Comment is not acceptable. Eddy


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be provided with Eddy Current Testing (ECT) System which should be capable of detection of surface defects and near surface defects of the rail by deploying suitable number of probes for each rail. Real time display of test data is to be done in graphical form & summary report in tabular form. Printout of the same is also to be made available. System should be capable of:

detection of

surface defects and

near surface

defects of the rail

by deploying

suitable number of

probes for each rail

…

current system is capable of detecting both the surface defects and near surface defects.

5. 7 i measuring surface cracks across the

---------- --------- measuring surface -------- Changed Suitable probe

measuring surface

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whole width of the rail head

cracks across the whole width of the

rail head across the

zone of direct contact of the rail

head and wheel

arrangement for measuring surface cracks across the whole width of the rail head is required to be provided, and it should not be the constraint.

cracksdefects and near surface defects across the whole width of the rail head;

6. 7 ii reporting the length of cracks across the width of the rail head

------------- -------------- reporting the

length depth and density of cracks

across the width of

the rail head

Changed to incorporate additional details of depth and density of cracks.

reporting the

length, depth and

density of cracks across the width of the rail head

7. 7 iii measuring cracks up to a depth of 5mm;

(Clause, As per Firm’s Comments/Suggestion)measuring cracks up to a depth of 2mm

------------------ Measuring cracks

up to a depth of 5

mm 2.5mm

----------- Modified Suspected surface and near surface cracks may go up to 5 mm deep. These cracks can only be identified by using ECT method.

The system should be capable to detect suspected surface and near surface cracks more than or equal to 0.5mm depth and more than 10 mm long, and

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measuring cracks up to a depth of 5mm from top of the rail head.

8. 8 The system shall be capable to test all sections of rails (60kg & 52kg) irrespective of condition of rails having rust, pitting, hogging, battered rail ends, dipped weld joints, scabs, wheel burns, unevenness of rail surface, rail corrugation etc. Exceptions, if any, be stated along with limitation on speed. While testing the track, the testing system shall have

--------- ---------------- …irrespective with

reasonable

limitations in the areas of bad

condition of rails

having rust, pitting,

hogging, battered rail ends, dipped

weld joints, scabs,

wheel burns, unevenness of rail

surface, rail

corrugation etc. …

…Exceptions, if

any, be stated

along with limitation on

speed, or reported

--------- Comment is not acceptable. This Para already gives supplier to quote Exceptions, if any, be stated along with limitation on speed .


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capability to detect rail joints so that these are not reported as rail flaw. However, any crack propagating from the rail joint should be detected & flagged as a flaw.

as a list of untested areas.…

9. 9 The system shall have perfect acoustic coupling between transmitting/receiving probes and rail surface at all times and at all locations including at locations mentioned in para-8 above. Exceptions, if any, be stated along with limitation on speed.

------------ ------------- …Exceptions, if

any, be stated along with

limitation on

speed, or reported as a list of untested

areas.…

---------- Comment is not acceptable. This Para already gives the supplier to quote Exceptions, if any, be stated along with limitation on speed.


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10. 13.3 Route data file along with features should be displayed in real time in graphical form while testing and appropriately incorporated in the printed reports.

--------------- (Clause, As per Firm’s Comments/Suggestion) Route data file along with features should be displayed in reviews of the test data and appropriately incorporated into the printed reports. (Firm’s Remarks) We do not recommend that the original data file be used for editing and inserting additional information. We recommend that the same be overlapped at the time of review of test data post run.

------------- --------------- Comment is not acceptable. This feature is incorporated so that correlation between track features and testing results can be appreciated while testing.


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11. 17 System should be GSM/GPRS enabled so that it can be connected to internet for transmission of file. Cost of the same during the benchmarking and warranty period / O&M period is to be borne by the supplier.

---------- ------------ ------- Where does IR plan to carry out internet connection for transfer of file. What is that file for? Is it about inspection result? On running or at maintenance base?

Internet connection should be through available wireless systems like what is available in mobile phone (GSM/GPRS). The file is for logged data of testing results during running.


12. Note:-6 of Annexure-XI, page-85

Both axle of one bogie shall be powered and one bogie shall be idle in which USFD system to be installed

----------- ----------- ---------- As per standard practice USFD devices need to be at the centre of bogie or nearby centre

USFD system may be installed at suitable location, be at the centre/ nearby centre of idle bogie, or in space between two bogies.


13. 20. b, c b) The testing

Frame/Carriage shall be able to

------- ------- b) The testing

Frame/Carriage

shall be able to

How first is “permissible speed”

Comment is not acceptable. If SEJ, points and

The testing Frame/Carriage shall be able to

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safely pass at permissible speed while negotiating any types to track layout, SEJ, points and crossings including diamonds and crossovers present on IR.

c) While approaching any obstacle, where there may be a need to lift the probes, the same should be possible by the operator without the need to stop the SPURT car. The distance left non tested should be bare minimum and should be

safely pass at

permissible speed

while negotiating

any types to track

layout, SEJ, points

and crossings

including

diamonds and

crossovers present

on IR. While

approaching any

obstacle (including

elements named

above), where

there may be a

need to lift the

probes, the same

should be possible

by the operator

without the need to

specifically? crossings including diamonds and crossovers is obstacle for a particular supplier, same is to be specified by the supplier in term of para 20 (c). However the clause is modified to specify capability of testing frame in non-testing mode at 110 kmph. .

safely pass at permissible testing speed while negotiating any types to of track layout, SEJ, points and crossings including diamonds and crossovers present on IR. While in non-testing mode, it should be capable to run at 110 Kmph.

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shown in the reports as untested. The supplier must specify in the bid, the length of track (in metres) that would be left untested, before and after the obstacle. As responsibility of the testing is of the supplier, they will also be responsible for all testing of such untested sections/lengths by using the SRT/DRT.

stop the SPURT

car. The distance

left non tested

should be bare

minimum and

should be shown in

the reports as

untested. The

supplier must

specify in the bid,

the length of track

(in metres) that

would be left

untested, before

and after the

obstacle. As

responsibility of

the testing is of the

supplier, they will

also be responsible

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for all testing of

such untested

sections/lengths by

using the

SRT/DRT. 14. 20 d A safety device for

mechanically locking and securing the probe holders and frame / carriage in the lifted position, for transit travel in non-testing mode should be provided. In such lifted position the clearance from top of rail, of Test System, should be minimum 102mm

--------- --------------- ---------- -------------- During self review the clause is modified to specify transit travel at non-testing mode at 110 Kmph.

A safety device for mechanically locking and securing the probe holders and frame / carriage in the lifted position, for transit travel in non-testing mode should be provided. In such lifted position the clearance from top of rail, of Test System, should be minimum 102mm and system shall be capable to run

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at speed of 110 Kmph.

15. 21(a) The SPURT Car shall be provided with a real time A & B Scan display system capable of showing the outputs of all the probes in separate rows in individual colours.

------------------- (Clause, As per Firm’s Comments/Suggestion)The SPURT Car shall be provided with a real time B Scan displays showing the spatially corrected output from all the probes in individual colours. The Spurt Car will also be provided with A Scan displays to show the output of selected channel(s). (Firm’s Remarks) This has been suggested as then many monitors/screens would be required to

-------- ------- Comment is not acceptable. Real time A -Sacn of probes may be clubbed on monitor as in case of present SRT or DRT on IR.


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cover the A Scan displays Therefore, it is suggested to show the same on a single screen, based on user selection.

16.

17. 21 f The system shall be modular in design so that in the event of a unit going defective, it should be possible to take out the particular defective unit/module and replace it by another good unit during the run. Detailed instructions shall be supplied to diagnose the

--------- ------------ …and replace it by

another good unit during the run(if

possible – during

the run)…

-------- Agreed, the clause is modified accordingly.

The system shall be modular in design so that in the event of a unit going defective, it should be possible to take out the particular defective unit/module and replace it by another good unit during the run (If possible, during the run). Detailed instructions shall be supplied to

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component level fault in the defective module and for replacing the same. During the run, if probes are to be changed, the time taken for this should be a minimum. Bidder should specify the time taken for such probe replacement / repair.

diagnose the component level fault in the defective module and for replacing the same. During the run, if probes are to be changed, the time taken for this should be a minimum. Bidder should specify the time taken for such probe replacement / repair.

18. 21 k The electronics in the system and related mechanisms should work even when there is failure of air conditioning.

----------- ---------- --------- Does this sentence mean we have to divide electric systems to air conditioning device line and other line, or machines can keep working even if temperature around machines

The electronic system will be in AC area. However in case of failure of AC, the system should work.


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becomes hotter by such as malfunction of cooling fun or other cooling systems?

19. 25.1 a Training for a period of two weeks in the manufacturing plant and field operation abroad, shall be provided by the supplier of the UT & ECT System on the following key points:

-Understanding and assimilation of USFD and Eddy Current Technology;

- Global Best

----------- -------------- …Training for a

period of two

weeks in the manufacturing

plant and field

operation practice

on similar equipment in a

laboratory or

training centre abroad…

----------- Comment is not acceptable as training in field operation is essential rather than training on similar equipment in laboratory.


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Practices;

-Benchmarking Systems & procedures followed;

- Under & Over Reporting;

- Key aspects of Operation and Maintenance of SPURT Car for reliable testing;

Likely places of training should be indicated in the offer. Cost of boarding, lodging and air fare for the IR officials shall be borne by the purchaser.

20. 27.0 WARRANTY -------------- This is mentioned in ---------- -------------------- This clause in No change in

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both Chapter I and Chapter II. Please confirm which one is to be considered.

Chapter-I is to be considered. Warranty clause mentioned in Clause 55.0 of Chapter-II is deleted.

clause.

Chapter-II

21. 1.5.1 Driving Cabs ------------ Please confirm if the two driving cabins are to be made air conditioned.

-------------- --------------- both driving cabins are to be air conditioned as mentioned in clause 1.5.4 of Chapter-II

No change in clause.

22. 1.5.4 Cabins: One cabins for Officers, One Cabin for Supervisors, each with two cushioned Berths and one Cabin for maintenance staff with four cushioned Berths shall be

------------ ------------ ------------- ---------------- During self review this clause is modified for the provision of air-conditioning in both the cabins instead of one cabin.

Cabins: One cabins for Officers, One Cabin for Supervisors, each with two cushioned Berths and one Cabin for maintenance staff with four cushioned Berths shall be

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provided. The cabins for officers and supervisors shall be air conditioned. The Cabins shall have separate entry and have windows. The AC cabins and AC Instrumentation & Control Room (UT/ECT System recording and monitoring panels etc.) shall be at one side and the non-AC area (Maintenance staff cabin, storage area, workshop, generator set room etc.) shall be on the other side and the two areas shall be separated from

provided. The cabins for officers and supervisors shall be air conditioned. The Cabins shall have separate entry and have windows. The AC cabins and AC Instrumentation & Control Room (UT/ECT System recording and monitoring panels etc.) shall be at one side and the non-AC area (Maintenance staff cabin, storage area, workshop, generator set room etc.) shall be on the other side and the two areas shall be separated from

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each other by means of suitable partition/passage. The staff cabins, Instrumentation and Control Room and one driving cabin adjacent to Instrumentation & Control Room shall be air conditioned as indicated in the layout enclosed as Annexure-XI of Chapter-II. The air-conditioning system to be provided should be Roof Mounted AC Pack Unit (RMPU), conform to RDSO Specification No. ELPS/SPECIFICATION/AC/03 (Rev. 2) May 2009 with

each other by means of suitable partition/passage. The staff cabins, Instrumentation and Control Room and one both driving cabins adjacent to Instrumentation & Control Room shall be air conditioned as indicated in the layout enclosed as Annexure-XI of Chapter-II. The air-conditioning system to be provided should be Roof Mounted AC Pack Unit (RMPU), conform to RDSO Specification No. ELPS/SPECIFICATION/AC/03 (Rev.

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latest correction and amendments. The power for this unit shall be supplied by the generator set mentioned in clause 1.5.10The Cabins shall preferably be not over the wheels as far as possible. WC with separate overhead tank, Stainless Steel Sink and other accessory fittings including shower with flexible Hose shall be provided. The WC shall be provided with an exhaust fan.

2) May 2009 with latest correction and amendments. The power for this unit shall be supplied by the generator set mentioned in clause 1.5.10The Cabins shall preferably be not over the wheels as far as possible. WC with separate overhead tank, Stainless Steel Sink and other accessory fittings including shower with flexible Hose shall be provided. The WC shall be provided with an exhaust fan.

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23. 1.5.11 Toilets provided should be bio-toilet type as approved by and in use on IR

----------- Please confirm who is to provide the consumables for the Bio-toilet for the warranty period, as it is not clear from the clause.

------------ --------------- As the warranty clause covers everything furnished in SPURT Car, the consumables for Bio-Toilets shall be provided by the supplier (contactor). However the clause is modified to clarify the same.

Toilets provided should be bio-toilet type as approved by and in use on IR. The maintenance and consumables of bio-toilets, shall be governed by clause 27.3 of Chapter-I.

24. 2.3 The stresses estimated by an approved method shall not exceed 139.3 MPa (14.2 kgf /sq.mm) for members made from Steel conforming to IS:2062 Fe 410CuWC and 221.7 Mpa

----------- Please confirm what RDSO means by prototype, as it has been used multiple times in the Chapter-II.

------------ -------------- Prototype is meant for first manufactured SPURT Car.


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(22.6Kgf/ sq.mm) for members made from corrosion resistant steel conforming to IRS:M 41 for the uniformly distributed vertical load. Also, the stress should not exceed 90% of the lower yield point or proportional limit of the material in the load carrying member of the shell and 95% of the lower yield point or proportional limit of the material in the end construction for the squeeze load referred to above. The estimated vertical deflection of

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the shell at the center of the SPURT Car shall also not exceed 10mm under any loading condition. Completed shell of prototype SPURT Car shall be strain gauged for stress analysis under tare and loaded conditions with squeeze load. SPURT Car shall be tested for leakage through roof and body sides and ends at the works of the manufacturer. The manufacturer shall submit certificate regarding successful

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completion of the tests mentioned above. Detailed analysis to confirm such calculation shall be provided in the offer. Furthermore, the shell as mentioned shall be as per a prototype approved by IR.

25. 2.6 Under frame: The under frame material shall be of corrosion resistant structural steel conforming to IRS: M41 or copper bearing quality steel conforming to IS: 2062 Cu WC, of welded integral structure. The under frame design

------------------ Please confirm what RDSO means by prototype, as it has been used multiple times in the Chapter-II.

------------ ------------------ Prototype is meant for first manufactured SPURT Car.


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shall be in accordance to the layout of SPURT Car and should be preferably in accordance to an approved prototype of IR.

26. 20.0 Fire extinguishers and first aid equipment: Four fire extinguishers CO2 type of 5 kg capacity shall be provided, one each in the driving cabs, one in operator room and one near generator. Space shall be provided for keeping a first aid box.

------------ Please confirm who is to maintain and refill the fire extinguishers and first aid equipment for the warranty period, as it is not clear from the clause.

-------------- ---------------- Vide warranty clause 27.3, it is clear that everything furnished in the SPURT car shall be under warranty. Hence the fire extinguishers are to be maintained by the supplier (contactor) during warranty period. However the clause is modified to clarify the same.

Fire extinguishers and first aid equipment: Four fire extinguishers CO2 type of 5 kg capacity shall be provided, one each in the driving cabs, one in operator room and one near generator. Space shall be provided for keeping a first aid box. The maintenance and consumables of fire extinguishers

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and first aid equipment shall be governed by clause 27.3 of Chapter-I

27. 32.8 Cooling Proving trials shall be carried out in a test bed at the firm’s premises (OEM of engine) to prove the adequacy of the cooling system comprising of radiator and hydraulic oil cooler for the prototype and this shall be certified by the OEM of the engine.

---------------- Please confirm what RDSO means by prototype, as it has been used multiple times in the Chapter-II.

------------- ----------------- Prototype is meant for first manufactured SPURT Car.


28. 47.3 The Driver’s desk shall be fabricated in preferably in single unit however

We would request RDSO to clarify what all documentation is needed at the design

---------------- --------------- Design details, design related documents and drawings are


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two parts can be considered at the time of design drawing approval.

approval stage. Also, we would be keen to understand how much time such a design approval will take as it would delay delivery.

required for approval. The exact time taken for approval cannot be predicted at this stage but as soon as the documents are received, IR will take approximately 15 working days for giving go ahead for prototype manufacturing.

29. 54.9.2 Performance capability tests

The SPURT car shall be subjected to tests to establish its performance based on the supply by the tenderer against

----------- Please confirm what RDSO means by prototype, as it has been used multiple times in the Chapter-II.

----------- ------------- Prototype is meant for first manufactured SPURT Car.


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the specification. The contractor shall at his own expense provide the services of competent Engineers/Supervisors and supporting staff during the performance capability tests of the prototype.

30. 55.0 WARRANTY

55.1 The supplier (contractor) shall give warranty that everything to be furnished hereunder shall be free from defects and faults in design, material, workmanship and

----------------- This is mentioned in both Chapter I and Chapter II. Please confirm which one is to be considered.

-------------- --------------- As this clause is already mentioned in Clause-27.0 of Chapter-I, here it is deleted.

55.0 WARRANTY 55.1 The supplier (contractor) shall give warranty that everything to be furnished hereunder shall be free from defects and faults in design, material, workmanship and manufacture and

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manufacture and shall be of the highest grade and consistent with the established and generally accepted standards for goods of the type ordered and in full conformity with the contract specifications and shall operate properly.

shall be of the highest grade and consistent with the established and generally accepted standards for goods of the type ordered and in full conformity with the contract specifications and shall operate properly.

55.2 The warranty shall expire 24 (twenty four) months from the date of acceptance i.e. from the date of issue of commissioning certificate by

------------- ------------ ------------ ---------------- 55.2 The warranty shall expire 24 (twenty four) months from the date of acceptance i.e. from the date of issue of commissioning certificate by RDSO of the

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RDSO of the system except in respect of complaints, which are lodged before the expiry of the 24 months. Date of acceptance means the date on which the system is commissioned after acceptance of lab and field validation of the testing system and the vehicle.

system except in respect of complaints, which are lodged before the expiry of the 24 months. Date of acceptance means the date on which the system is commissioned after acceptance of lab and field validation of the testing system and the vehicle.

55.3 The supplier shall be required to supply and install free of cost all the equipments, components,

-------------- ----------- ------------- -------------- 55.3 The supplier shall be required to supply and install free of cost all the equipments, components, spares and consumables

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spares and consumables which may fail, malfunction, become defective or required for uninterrupted working of testing car during the currency of warranty period, except fuel and stationary required for printing of the test results and reports. The supplier shall also keep adequate stock of such components, spares,

which may fail, malfunction, become defective or required for uninterrupted working of testing car during the currency of warranty period, except fuel and stationary required for printing of the test results and reports. The supplier shall also keep adequate stock of such components, spares, consumables and modules which are critical and may require repairs/replacement from time to time

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consumables and modules which are critical and may require repairs/replacement from time to time for ensuring un-interrupted working of the SPURT Car during the warranty period.

for ensuring un-interrupted working of the SPURT Car during the warranty period.

Chapter-III

31. 15 c The capability of

UT/ETC system of the successful tenderer shall be verified by performance benchmarking as per Annexure-2 of the Specification-2.

------------ (Clause, As per Firm’s Comments/Suggestion) The capability of UT system of the successful tenderer shall be verified by performance

---------- ------------- Comment is acceptable, the clause is modified accordingly.

The capability of UT/ECT system of the successful tenderer shall be verified by performance benchmarking as per Annexure-2 of the Specification-

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Process of complete benchmarking of the vehicular system should be completed within two months. The cost of complete benchmarking activity is to be borne by the tenderer. Water and Fuel (diesel) required for benchmarking and non-testing transit purposes shall be arranged by the Zonal Railway free of cost (Specficaiton-2 provides for this cost to be borne by contractor and RGM/Track

benchmarking as per Annexure-2 of the Specification-2. (Firm’s Remarks) We would request for removal of ECT from this line as Specificaiton-2 deals with UT system.

2. Process of complete benchmarking of the vehicular system should be completed within two months. Bench marking of ECT will also be done as per relevant standard. The cost of complete benchmarking activity is to be borne by the tenderer. Water and Fuel (diesel) required for benchmarking and non-testing transit purposes shall be arranged by the Zonal Railway free of cost

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machines tenders provide for this cost to be borne by the railways). In case diesel & water is needed to be transported, it will be the responsibility of the firm to transport the same. However, costs as per clause 4.2.1, 4.2.2, 4.2.4 and 4.2.5 of Annexure-2 of Specification-2will be borne by the Railway. In case, benchmarking is unsuccessful, no reimbursement shall be given to the tenderer and at the same time

(Specficaiton-2 provides for this cost to be borne by contractor and RGM SPURT Car/Track machines tenders provide for this cost to be borne by the railways). In case diesel & water is needed to be transported, it will be the responsibility of the firm to transport the same. However, costs as per clause 4.2.1, 4.2.2, 4.2.4 and 4.2.5 of Annexure-2 of Specification-2 will be borne by the Railway. In case,

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recovery for fuel charges, till that period, shall be initiated.

benchmarking is unsuccessful, no reimbursement shall be given to the tenderer and at the same time recovery for fuel charges, till that period, shall be initiated.

32. 2.5 d a) Firm will supply 24 numbers of SRT and 6 numbers of DRT as per specification mentioned in para 2.4 and 2.5 respectively and in addition shall have following facilities:

a. ‘B’ Scan facility: This provides a better picture of the defect in the rail

----------- ---------- ---------- Is this qty for 1 spurt car or entire project, Please clarify . We request to remove these requirements because it is hard to say that these are functions to be required for portable type/hand push type ultrasonic flaw

This quantity is for entire work of procurement of 6 nos. SPURT Cars.


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section; b. Recording

capability: Complete recording of ‘B’ Scan upto 100kms and recording of ‘A’ Scan of defect location.

c. Location Stamping: Km / meter Chainage and GPS latitude and longitude;

d. Time stamping of recording: Time stamping by local On-board clock as well as by satellite clock.

e. Data transport facility using USB port via Pen Drive

detector, and it makes more expensive the total amount for this tender.

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These machines will be approved by RDSO before being deployed for bench marking.

reasoned document for draft technical specification and

Documents