INDIAN INSTITUTE OF TECHNOLOGY KHARAGPUR -721302, INDIA Ref: Earlier Tender notice number IIT/MIN/ENQ-Plan/16/2015 dated 23 Sept, 2015 Subject: Partial modification of earlier published tender vide Tender notice number IIT/MIN/ENQ-Plan/16/2015 dated 23 Sept, 2015 in connection with procurement of Exploration Seismograph Equipment. As geophone is an essential accessory for effective functioning of exploration seismograph, it is desired to seek the unit wise price of 4.5 Hz and 10 Hz compatible Geophones along with connector. The technical compliance report duly vetted by the Principal by indicating the observation against each item in form of Compliance/Non-Compliance should be submitted along with the technical specification.(a copy of the format specifying compliance report is enclosed for ready reference in Annexure-I). Those who had already submitted their offer should submit the technical compliance report in Annexure-I and price bid as per the format given in Annexure-II. The Other terms and conditions mentioned in the earlier notification will remain unchanged. The offer should be sent to the office of the Head Department of Mining Engineering, Indian Institute of Technology Kharagpur. Indian Institute of Technology Kharagpur, an Institute of National Importance, invites sealed bids from reputed manufactures or their authorized Distributors/ Dealers, (foreign firms or their Indian Representative Company) who have adequate credential for supply/installation of Exploration Seismograph for the items as per the Annexure I and II for the Department of Mining Engineering, Indian Institute of Technology, Kharagpur, India with five (05) years comprehensive onsite warranty for expansion. All these experimental units (standalone complete setups) are required for dedicated use in UG and PG laboratory courses. Interested Vendors are requested to send their sealed bids under a two cover system as per requirement mentioned in tender documents, along with the Technical Specifications & Compliance Certificate (as mentioned in Specification Annexure 1 2) and the quantity as specified in tender document. Details are also mentioned in the Institute website: www.iitkgp.ac.in/topfiles/tenders.php The tender proposal has to be sent in a sealed packet, containing two separate sealed envelopes (Technical Bid and Price Bid) along with prescribed tender fee and Earnest Money Deposit (EMD) duly superscripted with earlier published tender vide Tender notice number IIT/MIN/ENQ-Plan/16/2015 dated 23 Sept, 2015 to the office of the Head, Department of Mining Engineering, Indian Institute of Technology Kharagpur, P.O - Kharagpur Technology, Pin 721302 within 28 th December, 2015 by 5.00 P.M. For any query please contact Prof. Kaushik Dey (kausdey@mining.iitkgp.ernet.in) The Technical bids will be opened on 8 th January, 2016 at 3:30 PM. in the office of Head Department of Mining Engineering, Indian Institute of Technology Kharagpur NB: It is desired that the technical bid may be accompanied with certificates from 03 Indian users. Copy to: 1. Institute website 2. Newspaper 3. Notice Board Head, Deptt. of Mining Engineering, IIT, Kharagpur
Annexure -I TECHNICAL SPECIFICATION OF 48 CHANNEL SEISMOGRAPHS WITH BUILT-IN ROLL ALONG FOR REFLECTION SURVEY PARTICULARS Engineering Seismograph (48 Channels) with accessories as follows: 1. Engineering Seismograph (48 Channels) with following specifications I. Operating software one set II. Geophone Spread Cable (2x24 geophones) Two sets III. Digital interface cable- One set IV. MASW analysis software One set 2. Geophones (4.5 Hz/10 Hz) with connector -50 Nos. 3. Trigger extension cable- one 4. Sledge hammer with base plate- one 5. Transporting case one 6. Hammer switch 7. Ruggedized/ Industrial field laptop- one 8. Engineering seismograph complete training including field operation COMPLIANCE/NON- COMPLIANCE Note: The bidder should indicate their observations exclusively as Complied/Non Complied on the letter head of the Principal duly signed by the authorized signatory
TECHNICAL SPECIFICATION OF 48 CHANNEL SEISMOGRAPHS WITH BUILT-IN ROLL ALONG FOR REFLECTION SURVEY CHANNEL ENGINEERING SEISMOGRAPH 1. Number of Channels 2. Frequency Response 48 channels achievable by connecting 2nos of 24 channel modules. The system shall be expandable up to 360 channels or more. Each module should be packaged in a ruggedized, shockabsorbing, waterproof case suitable for field operation. 2 Hz to 20,000 Hz or better 3. Sampling Rate Selectable 0.02 to 16msor better. 4. Preamplifier Gain 24 and 36 db 5. Dynamic range >140 dbor better 6. Roll along Built-in roll along function,selectable through the controller software. 7. Noise Filters Low Cut: Out, 10 to 400 Hz or better, user selectable High Cut: Out, 32 to 1000 Hz or better, user selectable 8. Record Length At least 16,000 samples or higher 9. Delay 0 to 100 sec in steps of 1 sample interval 10. Stacking trigger accuracy 1/32 of sample interval 11. Line Testing Real time noise monitor displays real time output from geophones. 12. Type of Gain Automatic Gain Control (AGC) or Time Variable Gain (TVG) or Manual 13. Trigger Input Should match with the weight drop & other sources. 14. A/D Conversion 24 bit Complied/Non Complied 15. Power 12V DC supply through external batteries for each module. 16. Power Consumption Less than 750mW / Channel during acquisition time. Sleep mode features to be available to reduce the power consumption by 50% in standby.
17. Data output format SEG-2, SEG-D, SEG-Y 18. Environmental -20 to 60 C (Operational). 19. Weight Less than 5kg RUGGEEDIZED LAPTOP FOR FIELD OPERATION 20. CPU and RAM Latest state of the art CPU with atleast4gb RAM 21. Operating System Windows 7 or higher version 22. Hard Disk 500GB or more 23. Interface USB, Ethernet or any other advanced technique 24. Display Minimum 13 TFT color display 25. Data Recording, Retrieval Software 26. Data Analysis Software i. Package Compatible with latest Windows based software configuration for data collection and Data Retrieval. ii. Should work on the data collected using seismograph and geophones. i. Windows based Software for reflection, refraction, MASW dataprocessing and analysis to be supplied to determine shear-wavevelocity and to calculates phase velocity and mathematically picksdispersion curves for active and passive source multi-channel shotrecords. 27. Power supply Rechargeable battery, AC Charger and carrying case to be supplied. Accessories Battery back-up at-least 6hrs operation minimum; Additional one battery to be supplied. 28. Geophone Spread cable 2nos 29. Digital Interface cable(25m-30m) 1no 30. Trigger Extension cable Multi conductor reversible cable with 24take-out spaced at equal intervals of 5-6m, each end includes of 10m lead cable terminated with one connector to mate with seismograph. The digital interface cable to be integrated with the spread cable for any connection between modules. 25-30m Digital interface cable to connect the seismograph module to PC controller. 270-300m of trigger extension cableon reel for use with hammer switch / blaster / trigger geophone to increase
270-300m distance from geophone spread and seismograph. 31. Hammer Switch 2nos Hammer switch with minimum 4-6m cable to be supplied 32. Geophone 50nos 33. Hammer Source 1no 34. Testing and demonstration support: 4.5 Hz and 10 Hz vertical Geophone with 1-2m lead cable with connectors. 7.2Kg sledgehammer with the striker plate to be supplied. Testing and installation support to be provided IIT, Kharagpur. 35. Warranty One year from the date of installation. Note: The bidder should indicate their observations exclusively as Complied/Non Complied on the letter head of the Principal duly signed by the authorized signatory
Annexure -II PRICE/QUOTE IN RESPECT OF 48 CHANNEL SEISMOGRAPHS WITH BUILT-IN ROLL ALONG FOR REFLECTION SURVEY PARTICULARS Engineering Seismograph (48 Channels) with accessories as follows: 1. Engineering Seismograph (48 Channels) with following specifications V. Operating software one set VI. Geophone Spread Cable (2x24 geophones) Two sets VII. Digital interface cable- One set VIII. MASW analysis software One set 2. Geophones (4.5 Hz and 10 Hz) with connector -50 Nos. 3. Trigger extension cable- one 4. Sledge hammer with base plate- one 5. Transporting case one 6. Hammer switch 7. Ruggedized/ Industrial field laptop- one 8. Engineering seismograph complete training including field operation PRICE NOTE: The bidder should offer the price of 4.5 Hz and 10 Hz geophones with connector separately