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GOVERNMENT OF INDIA BHABHA ATOMIC RESEARCH CENTRE

Tender Technical Specifications

Of

30/5 Te EOT Crane

For

PROJECT VWSF

Specification No: BARC/NRB/KNRPD/VWSF/2016/02

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INDEX

TITLE Page #

PART-I SCOPE OF THE WORK FOR SUPPLIER 3

PART-II TECHNICAL SPECIFICATIONS: 5

1. INTRODUCTION 5

2. SPECIFICATION FOR 30/5 Te. E.O.T. CRANE 5

3. REFERENCE CODES AND STANDARDS 6

4. MATERIAL OF CONSTRUCTION 7

5. DESIGN REQUIREMENTS: GENERAL 7

6. DESIGN REQUIREMENTS: MECHANICAL 8

7. DESIGN REQUIREMENTS: ELECTRICAL 10

8. SPECIAL DESIGN FEATURES 14

9. PAINTING 14

10. SPARES & MAINTENANCE TOOLS 14

PART-III DESIGN, DRAWING AND INSTRUCTION, O & M

MANUAL

16

PART-IV FABRICATION, INSPECTION AND TESTING 18

PART-V PACKING, TRANSPORTATION & PLACE OF

DELIVERY

21

PART-VI INSTALLATION AND COMMISSIONING 22

PART-VII DELIVERY SCHEDULE, GUARANTEE, FACTORY

REPORT, QUALIFICATION, SUB CONTRACTS AND

GENERAL INSTRUCTIONS/NOTES

24

ANNEXURE–A: COST STRUCTURE PERFORMA 27

ANNEXURE–B: INFORMATION RE GAR DING

CONSTRUCTION OF THE CRANE ,TO BE

SUPPLIED B Y THE SUPPLIE R/BIDDE R

28

ANNEXURE-C: VENDOR EVALUATION PROFORMA 36

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PART-I

SCOPE OF THE WORK FOR SUPPLIER

The scope of work for supplier includes design, manufacture, testing, supply, and installation and commissioning of 30/5 Te capacity EOT crane (One No.) in cask handling area for project VWSF, Kalpakkam as detailed below:

1. Design of LT, CT, Hoisting drive assemblies and its components; bridge and trolley structure; cable take up for LT and CT; Lifting tackles for engagement and lifting of CT (crab) & LT drive, control panel, wiring system including connectors, assemblies.

2. Preparation / submission of detailed manufacturing drawings along with design calculations for purchaser's approval.

3. Preparation / submission of detailed Q.A. program for purchaser’s approval. 4. Procurement of all materials in accordance with the material specifications as given in the

approved drawings and in tender specification. 5. Submission of test certificates for all raw materials and standard bought out components

procured for manufacturing the crane as and when required. 6. Obtaining approval of the purchaser for any materials used or intended to be used as

alternative to the specified materials. 7. Manufacture of the components as per approved drawings. 8. Preparation of inspection reports of all components and subassemblies at the appropriate

stage during fabrication. Submission of these reports to the purchaser as and when required during the execution of the contract for verification and records.

9. Obtaining approval of any deviations in design with necessary reasons for the same from

purchaser. 10. Offering the components, subassemblies and assembly of full equipment for inspection to

purchaser’s representative as and when required by him to do so during the execution of the contract.

11. Carrying out any necessary modifications or improvements until satisfactory performance

of the crane for which it is intended. Such modifications shall be carried out by the contractor at free of cost if they are required for reasons arising from poor designs, bad workmanship or non-conformity to the specifications.

12. Testing of the crane at supplier’s works. 13. Packing and safe crating of the equipment so as to avoid any damage during handling,

transportation and storage before installation.

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14. Delivery of the equipment to BARC Facility, Kalpakkam, Tamilnadu site. 15. Erection / installation of the crane at site. 16. Testing and Commissioning of crane at site. 17. Incorporating the as built changes in the manufacturing drawings and submission of as

built drawings (reproducible prints) in soft as well as hard copy. 18. Submission of History Dockets (4 sets) consists of Q.S. documents, operation and

maintenance manual, design report, and as built drawings. 19. Offering a guarantee of the equipment for a period of 24 months from supply or 12

months from the date of testing and commissioning at site whichever is earlier. This guarantee shall cover free repairs or replacement of parts, which have failed during normal operation within the guarantee period due to defective design, material of construction, workmanship etc.

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PART- II: TECHNICAL SPECIFICATIONS

1. INTRODUCTION: The 30/5 Te EOT crane (1 No) is provided in VWSF vehicle area for handling of VWP canister shipping cask. The weight of the cask is expected to be maximum 25 Te. This crane shall be reliable and trouble free. The crane design shall be of proven quality. Only reputed manufacturers of E.O.T. cranes shall quote.

2. SPECIFICATION FOR 30 /5 Te. E.O.T. CRANE

2.1. GENERAL:

2.1.1. Number of cranes : One number

2.1.2. Type of Crane : Double girder EOT crane.

2.1.3. Duty of the crane : Class M5 as per IS3177-1999

2.1.4. Type of service : In-door

2.1.5.

Safe working hoisting load in addition to dead weight for Main Hoist

: Main Hoist:30 Te

Aux. Hoist: 5Te

2.1.6. Atmospheric condition : Normal atmosphere with high humidity

2.2. OPERATING SPEEDS (at rated load)

2.2.1. Long travel motion (L.T.) : 8 meters/min

2.2.2. Cross travel motion (C.T.) : 6 meters/min

2.2.3.

Hoisting motion for Main Hoist

Hoisting motion for Auxiliary Hoist

: 3 meters/min

: 6 meters/min

2.2.4

All motions namely main & Aux. Hoist, L.T. & C.T. shall be provided with min.10%, 50% & 100% speed variation using VVVF controlled drives.

2.3. CRANE PERFORMANCE AND STRUCTURAL DETAILS:

2.3.1. Crane clearance diagram : Refer Drg. No:

A2/VWSF(K)/08.07.01/14/GA/R-0

2.3.1.1. Span (A) : 12900 mm

2.3.1.2. Total lift required for Main and Aux. hoist (E)

: 7500 mm (MH)

: 12400 mm (AH)

2.3.1.3.

Distance between the bottom of the crane rail on the longitudinal crane gantry beam to the top most point on crane (C)

: < 2900 mm

2.3.1.4

Minimum clearance required above the crane LT platform (T1)

: 2.1 mtr

2.3.1.5.

Distance between the centerline of the crane rail to the adjoining wall (H)

: H1= 350 mm; H2=350mm

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2.3.1.6.

Distance of transverse approach for Main Hoist from north side L.T. rail (F1)

: 1500 mm

2.3.1.7. Distance of transverse approach for Main Hoist from south side L.T. rail (F2)

: 2000 mm ( Minimum possible is desired)

2.3.1.8 Distance between Main Hoist & Aux hoist hook centers in CT direction (G)

: 1000

2.3.1.9 Distance of L.T. approach for Main Hoist from east wall. (C1)

: 2200 mm ( Minimum possible is desired)

2.3.1.10 Distance of L.T. approach for Main Hoist from west wall. (C2)

: 1800

2.3.2. Fixing arrangement for down shop leads (for long travel)

: They shall be at a spacing of about 1 meters

2.3.3. Fixing of crane rails to the runway girder (structural steel beam)

: The crane rails shall be suitably fixed/clamped at a spacing of about 500 mm.

2.3.4. Bay length : 12600mm on one side ( Hot cell wall) and 14800 mm on other side based on civil column spacing.

2.3.5 Mode of crane control Push button pendant independent to crab movement and radio remote control

3. REFERENCE CODES AND STANDARDS: The crane shall comply with all currently applicable statues, regulation and safety codes relating to the design, construction and operation of cranes in the locality where the crane will be installed. No part of these specifications shall be construed to relieve the vendor of his responsibility to supply a functionally adequate crane. The crane supplied shall comply with the latest applicable Indian / International standards. Other national standards are acceptable if they are established to be equal or superior to the referred standards. Some of the applicable codes are listed below: 1. IS 3177 (1999): Code of practice for electric Overhead travelling cranes and gantry

cranes other than steel work cranes 2. IS 807 (2006): Design, erection and testing (structural portion) of cranes and hoists –

Code of practice

3. IS: 4460 (1995)/ ISO 6336: Gears - Spur and Helical Gears - Calculation of Load

Capacity

4. I.S. 3443 (1980) : Crane rail section

5. IS-15560 (Supersedes IS-3815) 2005: Point hooks with shank up to 160 Tonne.

6. IS-1875 (1992): Carbon steel billets, blooms, slab and bar for forgings.

7. IS-2266 (2002): Steel Wire Ropes for General Engineering Purposes

8. IS: 325 (1996) & IS: 12615 (2011): Three phase induction motors

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9. IS 2062 (2011): Specification for structural steel fabrication.

10. Applicable portions of American Standard Safety Code for Cranes, Derricks and Hoists

ASA-B-80 as published by ASME.

11. Electrical Overhead Cranes Institute (EOCI) specifications and general information for

standard industrial service electric overhead traveling crane.

12. Standards of National Electrical Manufacturers Association (NEMA)

13. American Standards Association (ASA)

14. American Society of Testing Materials (ASTM)

4. MATERIAL OF CONSTRUCTION:

All materials used shall be of sound quality and shall conform to latest relevant standards as given below:

a) Steel Plates : IS-2062 Gr-E250 and quality BR, SAIL Make or

equivalent

b) High Tensile Bolts : BS-970 (EN-24) or IS equivalent, Unbrako Or

equivalent

c) Hooks and Clevises : 20Mn2 & IPSS, IS-1875 Class 3A and IS-3815, High

Tensile steel.

d) Steel Pinions/Gears : BS-970 (EN-24 / EN-19) or IS equivalent

e) Steel Shafts and Axles : BS-970 (EN-9 / EN-8) or IS equivalent

f) Pins and Screws : BS-970 (EN-8) or IS equivalent

g) Steel Castings : IS-1030 (Gr-II)

h) Steel Forgings, Hook : IS-2004, class III (carbon percentage 0.25 to 0.35.)

Block cross head

i) Hoisting rope : IS-2266, High Strength steel, 36 x 6 constructions.

Usha Martin or Equivalent

j) Rails for L.T. & C.T. : I.S-3443, 50C12 (105 lbs/ yard OR 52.1 Kg/m)

k) Wheels : En-9 forged.

l) Rope drum : ASTM 106Gr-A/B

5. DESIGN REQUIREMENTS: GENERAL

The crane shall be as per latest IS-807 & IS-3177 and of class-M5 duty (In-door service) double girder type, rigid and shall have adequate margins to give excellent performance, safety arrangements for preventing overloading, over stressing on motors and shafts. The crane shall be provided with easy maintenance facilities like platform with checkered plates and with suitable walk ways and hand railings for easy approach of the crane components. All efforts shall be made to make the crane as compact as possible. The compactness of the crane and availability of various crane reaches is one of the very important criteria for selection of the crane.

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6. DESIGN REQUIREMENTS: MECHANICAL

6.1. CRANE BRIDGES AND TROLLEYS:

The end trucks of the bridge and trolley shall be provided with suitable jacking pads for easy maintenance of the wheel bearings, axles etc. Wheel mountings shall include safety lugs to prevent a drop of more than 2.5cm in case of broken axles. The end carriage and girder joint shall be designed to prevent skewness. Bridge & Trolley shall be provided with suitable platforms. The platforms shall be surrounded by suitable hand railings to facilitate easy access and maintenance of equipment placed on the trolley and bridge. The desired minimum distance between L.T. platform and roof beams is about 2.1 meter from safety point of view. The mechanical end stoppers (spring buffers) shall be provided for effectively arresting the motion of bridge and trolley. They should be fitted rigidly on the gantry beams for the Crane Bridge and on the bridge girder for the trolley at all the Four Corners. The mechanical wheel stoppers are also desired for LT & CT for additional safety. The girder section shall be designed to restrict the maximum deflection of bridge to span / 1200 with rated load. Girder and end-carriages shall be epoxy painted from inside before its closing.

6.2. GEARS, SHAFTS AND AXLES:

In order to ensure smooth operation and long life of gear train, all gear transmission shall be achieved from accurately formed machine-cut helical gears at each stage. The HP rating of gear box (as per IS: 4460) for individual motion shall be greater than mechanical KW of the motor selected for that motion. . Gears shall be of steel (rolled, forged or cast) with teeth cut from the solid blanks. Gears train with ground teeth will be preferred. Pinions shall be of steel forging or cut from rolled steel bars. All shafts and axles shall be turned from solid rolled and forged steel bars. All axles shall be held rigidly in position by arresting plates and shall be designed for easy removal. Open gear transmission shall not be allowed. All gear, pinions, shaft, couplings etc for individual drive mechanism shall be suitable for withstanding selected motor pull out torque with adequate factor of safety. It is required to provide standard bought out gear boxes for hoisting, LT and CT motion. Gearboxes shall be from reputed manufacturer like Elecon, SEW, Primium, Shanti make or equivalent who are dedicated gearbox manufacturer. The supplier shall indicate clearly the make of gear box in their offer. The gear boxes selected shall be suitable for desired duty factor as per code and for power rating of selected prime mover (electrical motors). Noise level shall be less than 80db (A) at 1mtr. distance from crab.

6.3. WHEELS AND RAILS:

Driving / driven wheels of L.T. and C.T. shall be of double flange cylindrical or tapered (conical) treads type and machined from En-9 forged steel. The wheels and wheel assembly shall be mounted in such a manner as to facilitate ease in removal and replacement. The rails for L.T and C.T shall conform to I.S. 3443. The rails shall be fixed on the runway and bridge (for L.T. and C.T. respectively) at a spacing of about 500 mm staggered. The wheels shall be ultrasonic tested. Crane shall be designed for 8 nos. wheels and if suppliers faced problem in designing the crane with 8 wheels to maintain approaches/ dimension of crane as per requirement then 4 wheel design can be considered.

The rails size shall be selected as detailed in clause 4.0 of this tech spec (material of construction).

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6.4. HOOKS AND HOOK BLOCKS:

The hook shall be compact in nature. The hook block shall be designed to lift the rated load without twisting. The block sheaves shall have turned grooves and shall be provided with suitable roller bearings. The hook shall be capable of swiveling and designed to turn easily on antifriction roller thrust bearings. The hook shall be provided with suitable locking arrangement for locking the swiveling action at each 900 of rotation as and when required. The hook shall be of the trapezoidal ‘C’ shank hook type having rugged construction. Hooks shall comply with the requirements of IS-3815, BS-482, BS-2903 or IPSS and material for construction of hook shall be IS-1875 Class 3A high tensile forged steel./ 20 Mn 2.

6.5. HOIST ROPE:

Hoist rope shall be flexible and with steel core. The rope shall be fastened to the drum with an attachment having strength atleast equal to that of the rope. Rope shall be of sufficient length so that minimum two full pass shall remain on drum at extreme low position of the hook. Reverse bends, cross bends and kinks shall be avoided. The breaking loads for the hoist rope shall not be less than six times the calculated load in the ropes at drum derived from rated load for hooks plus the weight of the lower pulley block and the weight of the rope. Suitable number of falls shall be provided for reducing the rope size and increasing the flexibility of the wire rope. Hoisting rope shall be of high strength material and of Usha Martin or Equivalent Make and shall comply with IS-2266.

6.6. ROPE DRUM:

The rope drum shall be machined from seamless pipe (ASTM 106 GR-A / B) or fabricated pipe. Rope drum shall be ultrasonic (both straight and angle beam technique), chemical and physical tested. Drum shall have flanges on both sides. The selection of the rope drum shall be on the basis of wire rope selection. The rope drum shall be connected to gear box output shaft with drum coupling.

6.7. BEARINGS:

All the bearings used shall be of suitable heavy-duty adequate antifriction type. Self-aligned roller bearings shall be used for LT and CT drive and rope drums. All the bearings shall have adequate load carrying capacity. The mounting of the bearing shall be design for ease of maintenance. All the bearings shall be of genuine SKF/FAG make or equivalent after approval from purchaser.

6.8. GIRDER:

The main girders shall be fabricated from structural plates with minimum nos. of butt joints. 100% radiography test shall be carried out for butt joints. The structural plates shall conform to IS 2062 Grade B only. Suitable vertical and horizontal stiffeners shall be used for fabrication of girder. The girder in U shape prior to painting shall be offered for inspection to purchaser.

6.9. GUARDS:

Effective guards shall be provided for rotating shafts, couplings, chain drives, all moving parts on the bridge and cross trolley and sheaves of hook blocks.

6.10. CENTRALISED GREASING AND LUBRICATION SYSTEM:

The crane shall be provided with group lubrication system using hand pump. The individual group lubricating point shall be accessible easy.

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6.11. CAPACITY PLATE :

A plate mentioning rated capacity of hoist, year of manufacture etc. shall be placed so as to be easily legible to read from the grounds.

7. DESIGN REQUIREMENTS: ELECTRICAL

7.1 MOTORS: 7.1.1. All motors shall be suitable for operation using VFD drive, constant torque, squirrel

cage, totally enclosed fan cooled induction motors. Motor shall conform to latest IS: 325 & IS: 12615 and shall have minimum Class F insulation.

7.1.2. The motors shall be suitable for reversing and frequent acceleration and with mechanical brake. The starting and pullout torque of motor shall be 250% of rated torque at rated voltage.

7.1.3. Motors shall be Siemens, Bharat Bijlee, NGEF, GEC, Kirloskar or Crompton Greaves make or equivalent after approval from purchaser. The motors shall be operating on 415 V, 3 phase, 50Hz AC electrical supply. The motors should operate satisfactorily for Voltage variation of +10% & Frequency variation + 5%. Duty of motor shall be S4 with CDF of 40%. The selection of motor power (HP rating) shall be as per IS 3177.

7.1.4. All motors shall be provided with HRC fuses, contactors with suitable overload relays and safety devices for protections against overload, under voltage and single phasing. Each motor shall be provided AC4 duty contactors.

7.1.5. Type / Routine test certificates for all motors shall be provided by the supplier in accordance with relevant IS standard.

7.2 BRAKES:

The Main and Aux. hoisting shall be provided with two electromechanical shoe type brakes (one hydraulic thruster operated and the other solenoid operated). The long and cross travel motions shall be provided with single electromechanical brake. The rating of the brake shall be as per IS 3177. The make of brake shall be reputed one such as BCH, speed o control, stromag, electromag or equivalent.

7.3 MAIN ISOLATER:

A suitable switch fuse unit with fuse holder for 3 phase A.C. supply for crane shall be provided at suitable position at one end of long travel of the crane and installed in a dust tight metal enclosure with a dust tight door. The door should be provided with suitable interlocking mechanism to cut off the electrical supply to the crane when the door is in open position for any maintenance. The complete switch fuse unit shall be capable of AC 24 duty. Provision of RYB lamp indication shall be there at either end of DSL.

7.4 CONTROLS AND CONTROL SYSTEM: 7.4.1. Crane shall be operated with floor operated push button pendant and capable of

withstanding rough handling without being damaged and shall be effectively secured and earthed. The pendant shall be of lightweight and latest design. The pendant and control panel shall be of CRCA of 14SWG thick and powder coated with acceptable shade.

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7.4.2. Stop, start and directional changes shall be accomplished by reversing magnetic contactors, by push buttons operating a control circuit. In all cases the push buttons shall be spring-loaded and shall return to off positions when released. They shall be suitably interlocked such that the push buttons of two reverse motions (hoist up and down etc.) can not be simultaneously operated.

7.4.3. All control equipment shall be suitable for operation on 110 V. AC single phase 50 Hz. Electrical supply to the controls shall be provided from electrical panel mounted on the bridge.

7.4.4. The weight of the pendant shall be supported independently by means of chain or wire ropes. If the pendant is of metal, it should be effectively earthed at two places.

7.4.5. In addition to wired push button pendant, it is required to have radio remote pendant (SNT make or equivalent) with provision to prevent simultaneous operations from both pendants.

7.5 POWER SYSTEM:

7.5.1. Power supply of 415V, 3 phase, 4 wire, 50Hz AC shall be provided from separate electrical panels for each motion mounted on the bridge. All these panels shall be provided with suitable dust tight doors with power on indications (RYB).

7.5.2. Separate isolating switches shall be provided for the main power supply and power supplies to individual panels provided for LT/CT and Hoist motions.

7.5.3. The arrangements shall be there for 3 phase and 2 phase supply point (adequate numbers) on the crane platform for maintenance work at either end of platform.

7.6 CONTACTORS:

7.6.1. All the contactors shall be rated to permit 150 switching operations per hour.

7.6.2. Reversing contactors shall be provided with electrical and mechanical interlocks between forward and reverse contactors. Contactors shall be provided with at least 2 NO and 2 NC additional auxiliary contacts.

7.6.3. The contactors shall be provided with a three element, positive acting, ambient temperature compensated, time lagged, hand reset type thermal overload relays with adjustable setting to suit the rated motor current.

7.7 CABLES AND CONDUITS:

All wiring shall be done in a neat and workman like manner and wherever possible shall be run in the conduits / trays wherever possible.

7.8 SAFETY EARTHING:

Crane structure, motor frames and metal cases of all electrical equipment including metal conduits and cable guards shall be effectively earthed with tinned copper conductor of not less than 12 SWG for motors up to 5HP.

7.9 LIMIT SWITCHES:

7.9.1. Automatic reset type of limit switches of suitable design shall be provided to prevent over travel for bridge, trolley and hoists.

7.9.2. Two different types of limit switches are desirable for hoisting motion of the crane. One is the rotary limit switch (metallic) with a positively acting mechanism which cuts off the electrical supply and stops the hoisting when the hook approaches the

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predetermined level to prevent over winding and over lowering and the other is the linear limit switch actuated by gravity load to cut off hoisting up motion with audio/visual alarm.

7.9.3. The linear limit switches for bridge and trolley motions shall be located in advance of the mechanical stops so that even if they were, moving at full speed at the time of limit switch actuation, the same shall be brought to a halt without excessive impact with the mechanical stops. Redundancy to be provided by one more set of limit switch in series at either end for cut of these motion.

7.10 VVVF Drives:

7.11.6. In order to achieve smooth operation, all drives for hoisting, L.T. & C.T motion shall be given through VVVF controlled drives.

7.11.7. The VFD for hoisting motion shall be suitable for its operation in closed loop feedback using encoder. The encoder shall be mounted on motor shaft / Gearbox input shaft.

7.11.8. The drive power rating shall be selected based on the selected motor power and 45oC ambient condition. The dynamic braking resistor shall be provided with suitable rating for LT, CT and hoisting motions.

7.11.9. The VFD shall be of Schneider /Yaskava make or equivalent after approval from purchaser. For hoisting motion, Schneider Altivar 71 model or equivalent to be selected. For LT & CT motion, Schneider Altivar 31 model or equivalent shall be selected.

7.11.10. It is required to operate the motion for three speed i.e 100%, 50% & 10% of rated speed for all motions. All control hardware shall be selected for above mentioned requirements.

7.11 ELECTRICAL SUPPLY LEADS AND CURRENT COLLECTORS:

7.11.1. It is desirable to provide electric supply to crane bridge (L.T.) through Shrouded down shop Leads of suitable copper conductor. For cross travel festooned type, flexible insulated cables mounted on rollers are preferable. The track trailing cable system with “T” track trolleys with supporting bracket, “T” track trolleys, copper conductor power and control cable, rollers, junction boxes complete with Elmex make or equivalent terminal block shall be used. Wire rope/ chain shall be provided all along the trailing cable to avoid strain on the cable during operation. All the conductors shall be so arranged such that they are easily accessible for maintenance.

7.11.2. Current collectors for use with the DSL conductors shall be of sliding type and shall ensure continuous contact and avoid sparking as far as possible and easily approachable for maintenance. Current collector shall be of 250 Amp capacity (Metallic construction)

7.11.3. All electrical components of cranes shall be provided as per following: Serial

No.

Item Description Specifications MAKE

1. Electric Motors *** BHARAT BIJLEE, NGEF, ALSTOM,

GEC, KIRLOSKAR, CROMPTON

GREAVES OR EQUIVALENT

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2. Hydraulic Thruster

Brake

*** SPEED O CONTROL / EMM OR

EQUIVALENT

3. EM Brake *** BCH / SPEED O CONTROL

/STROMAG OR EQUIVALENT

4. Fuses *** GE / SIEMENS /SCHENIDER

(TELEMECHANIQUE) OR

EQUIVALENT

5. VVVF control

Drive

Suitable for motor

rated capacity with

45 Deg. ambient

temp. and 95% RH

and having three

speed variations.

Drive shall be

provided with

suitable heat

removal system

SCHNEIDER (TELEMECHANIC) /

L&T ( YASKAWA ) OR

EQUIVALENT

6. Feedback Encoder

for VVVF control

drive

*** HUBNER MAKE/ HENGSTLER OR

EQUIVALENT

7. Transformer *** AE / JYOTI/KAPPA OR

EQUIVALENT

8. DSL Shrouded Cu

Conductor S250 or

equivalent

SPEED O CONTROL /STROMAG

MAKE OR EQUIVALENT

9. Main Isolator *** SIEMENS /GE / L&T OR

EQUIVALENT

10. Contactors *** TELEMECHANIC / SIEMENS OR

EQUIVALENT

11. Limit Switches *** SOC/BCH / EMM OR EQUIVALENT

12. Flexible Cable

wiring ((HFFR /

FRLS)

*** UNIVERSAL, FINOLEX, RR

CABLE,TORRENT, CCI, HELU,

LAPP OR EQUIVALENT

13. Pendent and

Control Panel

*** & (suitable heat

removal system for

control panel.)

TECHNO ELECTRICALS / KAIREL /

RELIABLE / REFLEX / OWN MAKE

OR EQUIVALENT

14. Push buttons *** SIEMENS / SCHNIEDER / TEKNIC

OR EQUIVALENT

15. Switch Fuse *** SIEMENS / L&T/ GE OR

EQUIVALENT

16. Radio frequency

control pendent

Commander Model

or Equivalent.

STROMAG/ SNT Control OR

EQUIVALENT *** All these items shall have rating / specification to take care of full design factors as per tender technical

specification or relevant I.S. standard whichever is more stringent.

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8. SPECIAL DESIGN FEATURES:

8.1. The EOT crane shall be provided with radio remote control pendant (operating on suitable approved radio frequency) in addition to normal push button control system for crane operations. The design of the control system shall be such that only one control pendant (remote or normal) can activate/control particular crane operation at a time. It is responsibility of supplier for getting license to purchaser to operate RRC pendant.

8.2. The crane shall meet the requirement of design for earthquake with magnitude for SSE conditions. The structural integrity of the crane shall withstand for above earthquake condition. The supplier shall provide necessary design documents for the same. Additional anti topples lugs for LT Bridge and CT crab to be provided.

9. PAINTING: All surfaces shall be cleaned thoroughly, preferably by sand blasting. All oils and greases shall be removed prior to painting. Two shop coats of epoxy primer followed by two coats of approved Epoxy color shade shall be provided at the supplier’s works. Two final epoxy coats after crane erection at the purchaser’s site shall be done. The primer and final coats shall be as per the paint material approved by the purchaser.

10. SPARES AND MAINTENANCE TOOLS:

10.1. SPARES:

The quotation shall include necessary spares for 5 years trouble free service. The bidder shall indicate the list of spares (which includes following spares) for 5 years trouble free service.

List of mandatory spares parts S. No. Items Description Qty. (nos.)

I Mechanical

1 First reduction pinion shaft for all MH,

AH, LT & CT gear boxes

1 no. of each type

2 Oil seals on input and output shafts of all

gear boxes

1 no. of each type

II Electrical

3 Brake shoes 1 set (1 set consists of

1 no. of each type)

4 Indicating lamps and push button of each

type

2 sets (1 set consists of

1 no. each type)

5 Limits switches of each type

- Hoisting: Rotary type

- LT &CT

1 set (1 set consists of

1 no. each type)

6 Dynamic Braking resistor – (for Hoisting, MH & AH)

1 set (1 set consists of

1 no. each type)

7 VVVF Drive module for MH 1 no. each type

8 VVVF Drive module for LT or CT 1 no.

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The bidder shall indicate break up price for individual spare part. The Supplier shall not include spare cost in ex-work cost (i.e. spare cost shall be indicated separately)

The purchaser also reserves right to accept spares in parts, in full or in excess quantity as per requirement.

10.2. MAINTENANCE TOOLS:

The quotation shall include the required maintenance tools for crane with the list of tools.

************************************

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PART-III: DESIGN, DRAWINGS AND INSTRUCTION, O & M MANUAL

1. DESIGN:

The supplier shall provide detailed design calculations for cranes and get the approval before the fabrication of the cranes.

2. DRAWINGS:

2.1. The quotations shall accompany general layout drawings of the crane based on purchaser’s Tender Drawing Nos.: A2/VWSF (K)/08.07.01/14/GA/R0 for 30 / 5 Te capacity crane.

2.2. The supplier shall furnish two sets of following drawings for each crane to get the approval of the purchaser prior to fabrication.

a) General Arrangement of crane.

b) L.T. bridge and end carriage: Assembly and structural details.

c) Crab Assembly and structural details.

d) Drive units for L.T., C.T. and hoisting assembly and parts details.

e) L.T. drive shaft and wheels: Assembly and details.

f) Drive unit for Hoisting: Assembly and details.

g) Assembly and detail drawings for hook and hook block.

h) Rails details and their fixing arrangement for L.T and C.T along with end stopper

details.

i) Arrangement for LT & CT cable takes up.

j) Limit switch arrangement and details.

k) Electrical power and control circuit diagram.

l) Wiring diagram of power and control system.

m) GA of control panel n) Pendent wiring diagram.

o) Necessary installation, maintenance and operational drawings.

2.3. The drawings shall be made using AutoCAD.

2.4. It is the responsibility of the supplier to incorporate correctly all the comments offered by the purchaser on supplier’s drawings.

2.5. Drawings prepared by supplier and approved by purchaser shall be considered as part of specification. However, examination and approval of drawings by purchaser shall not relieve the supplier of his responsibility for proper engineering, design, workmanship and functioning of the cranes under the contract.

2.6. If any time before the completion of work, changes are made necessitating revision of approved drawings, supplier shall make such revisions and obtain the approval of the purchaser.

2.7. Supplier shall incorporate the as built changes in the drawing.

2.8. Supplier shall provide all drawings on floppy / CD media to purchaser for his records.

2.9. All bought out components specifications (order specs) shall be specified in drawing.

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3. INSTRUCTION, OPERATION & MAINTENANCE MANUALS:

3.1. Supplier shall provide instruction, operation and maintenance manuals for installation, operation and maintenance of all equipment. The instructions for use of spare parts recommended with special emphasis on trouble shooting. Each manual shall consist of one set of above-mentioned approved as built Drawings and catalogues / technical literatures for the bought out components.

3.2. The manuals shall be corresponding to the equipment supplied and shall not be general in nature. The supplier shall submit two preliminary instruction, operation and maintenance manuals to the purchaser before the submission of actual manuals and one approved copy will be provided to the supplier for preparing final instruction, operation and maintenance manuals.

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PART-IV: FABRICATION, INSPECTION AND TESTING

1. FABRICATION:

The materials may be cut and formed to the required shape by any process that will not unduly impair the physical properties of materials. The edges that will be exposed in the finished form shall be rounded off to a radius of at least 3-mm or chamfered at 45 degrees to at least 4 mm flat.

1.1. MATERIAL:

The supplier shall use the material for fabrication as approved in the fabrication drawings. Suitable machining allowance shall be considered for raw material.

1.2. WELDING: Welding shall conform to I.S.-814, I.S.-816, I.S.-823. The welding procedures and performance qualification of welders shall be in accordance with Section-IX of ASME Boiler and pressure vessel code. Electrodes for welding shall conform to IS-814 for M.S.

1.2.1. The welding procedures and welder’s performance qualification report shall be submitted to purchaser for approval. The welding shall be carried out only by the qualified welder approved by purchaser.

1.2.2. Welding processes and filler metals:

Carbon steel to Carbon steel: SMAW Welding process may be used with the electrodes approved by the purchaser’s representative.

1.2.3. All welds should be free from defects like blowholes, lack of penetration, slag inclusions, porosity etc. and the welding shall be uniform.

1.2.4. Purchaser reserves the right to check any weld by suitable non-destructive test and if any weld is found defective, supplier shall repair the same free of cost after obtaining the approval from the purchaser.

1.2.5. Weld procedures adopted shall involve least amount of warping and not detrimental to the integrity of the sections being welded.

1.2.6. The supplier shall take actual measurements at site and confirm the parameters such as span, bay length, head room, end clearance, fixing of EPs on RRC gantry, size and location of EPs for manual operations, etc. prior to take up the manufacture of crane.

2. INSPECTION:

2.1. The supplier shall submit detailed Q.A. program for purchaser’s approval 2.2. The inspection requirements for all components/ equipment shall conform to design

and fabrication requirements as indicated in the relevant codes and standards.

2.3. The supplier shall maintain proper inspection records and make it available to purchaser’s representative whenever required. Supplier shall make necessary arrangements for the inspection by the purchaser or his authorized representative.

2.4. Supplier shall provide to the purchaser or his representative the entire necessary test certificates for the standard components and materials bought out from the market. The test certificates for mechanical properties and chemical composition of the

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materials to be used for fabrication / construction of the crane shall be provided. The supplier shall make arrangements to scrutinize and purchase only good and trouble free components and preferably with the approval of the purchaser. The steel castings and forging for load carrying parts shall be tested by appropriate Dye-penetrant and ultrasonic tests for getting the defect free units. All gears, pinions, shafts, axles shall be ultrasonic tested as per approved procedure.

2.5. Welds for major load bearing components like bridge girders, end trucks, trolley frames etc. shall be examined as follows:

a) All butt welds of major load bearing members shall be100% radio graphed.

b) All butt, T-joints and fillet welds shall be checked by dye penetrant test for root and subsequent each pass of welding.

2.6. Purchaser reserves the right to inspect any material or equipment furnished or used by supplier under the contract and to reject any, which is found defective in workmanship or design, or otherwise unsuitable for the use and purpose intended, or which is not in accordance with the intend of contract.

2.7. Should purchaser waive the right to inspect any equipment, that waiver shall not relieve supplier in any way of his responsibility and obligations under the contract.

2.8. Purchaser reserves the right to call for certificates for all material and equipment at any stage of manufacture.

2.9. In the events of purchaser’s inspection revealing poor quality of goods, purchaser shall be at liberty to specify additional procedures if required to ascertain supplier’s compliance with the equipment specifications.

2.10. Even though purchaser or his representative carries out inspection, such inspection shall not however relieve supplier from his responsibilities for furnishing the equipment conforming to the requirement of the contract.

3. TEST CERTIFICATES AND TESTING OF CRANE: 3 .1. TEST CERTIFICATES. 3.1.1. Following test certificates shall be furnished by the supplier and approved by the

purchaser.

a) Manufacturer’s test certificates for mechanical properties and chemical compositions for material of structural steels, hook, hoisting wire rope, wheels, rails, gears and pinions, shafts and axles etc.

b) Functional tests for all components.

c) Radiography test reports of butt welds and T-joints.

d) Test reports of DP inspection of fillet, butt and T-joint welds.

e) Insulation test for all electrical equipments and continuity test for all cables.

f) Type / Routine tests for motors.

g) Test certificates for brakes and clutches.

h) Test certificates for other bought out components.

i) Test certificates for proof load of hook & breaking strength of wire rope.

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3.1.2. In the absence of test certificates from the manufacturer of the materials the material shall be tested as per the specifications and approved by the purchaser prior to the starting of fabrication.

3 .2. TESTING OF CRANE:

3.2.1. Before shipment, the crane shall be carefully fitted and shop assembled, clearly match marked to facilitate ease in assembly at the site. The shop operational and running tests for machinery assembled on the bridge structure shall be conducted for all mechanical and electrical parts and automatic devices to demonstrate that the crane is in satisfactory operating condition. The following tests on complete crane in the presence of purchaser’s representative shall be carried out at manufacturer’s works.

a) Material inspection, visual inspection and dimensional checks shall be done.

b) Rated load test: Checks for functioning of motions, travel limits, interlock operations, brake and clutch operations, drive mechanisms at rated load shall be conducted in addition to checks for specified speeds at rated load. The maximum deflection with rated load shall not exceed 1/1200 of the span. Noise level shall be less than 80db (A) at 1mtr. distance from crab.

c) 25% over load test:

The maximum deflection shall not exceed 1/1000 of the span. The integrity of crane shall be ensured. Noise level shall be less than 80db (A) at 1mtr. distance from crab.

3.2.3. Following tests on the crane shall be carried after erection at site.

a) Test for proper functioning of the crane.

b) Rated load test: After erecting the crane at site, the crane shall be tested at the rated load. Checks for functioning of all motions, travel limits, interlock, drive mechanisms at rated load shall be conducted in addition to the checking of specified speeds at rated load. Maximum deflection of the bridge with the rated load shall not exceed 1/1200 of the span.

c) In case of any variations in the test results from those mentioned in 3.2.2. (b), reasons for these variations shall be detailed, and the 25% overload testing shall be carried at site to check for the integrity of the crane.

3.2.4. All the tests shall be carried out as per latest IS-3177 unless otherwise specified.

3.2.5. No distortion, permanent strain, damages or deformation of any part of the equipment to be supplied under this specification shall occur as a result of the above testing.

3.2.6. The supplier shall arrange free of cost the required testing and inspection instruments for use at ex-works and at site.

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PART-V: PACKING, TRANSPORTATION AND PLACE OF DELIVERY

After carrying out the tests at manufacturing works as specified in 3.2.2. PART-IV,

and after match marking, the crane shall be carefully disassembled into major sub-assemblies and then properly packed, crated and protected from damage during transport, transit and storage at site. The packing shall include adequate cushioning, blocking, bracing, skidding, hoisting and tie down provisions. All machined parts shall be protected with anti rust grease. All electrical devices shall be sealed against dust and moisture or water, wherever applicable.

Supplier shall be responsible for any damage to the equipment during transport, transit and storage in case site is offered for installation immediately after delivery of equipment at the site. Unloading of crane at site / store is in supplier’s scope. The supplier without any extra cost shall supply any short supply inside the intact package. The intact packages shall be safely transported to the following destination:

Asstt. Stores Officer,

WIP-K Store, KNRPC, NRB

BARC Facility, Kalpakkam

Tamilnadu.

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PART-VI: INSTALLATION AND COMMISSIONING

1. The supplier shall install the crane at the cask handling area of VWSF, BARC Facility, Kalpakkam as indicated in tender drawing in consultation with purchaser’s site representative. Supplier is advised to visit the site and get himself fully acquainted with all the conditions at site. Ignorance of site conditions shall, in no case whatsoever be the basis for claim for extra payment

2. Temporary electric power 400/440 Volts, 3 Phase, 50 cps and 230 Volts single phase, 50 cps will be supplied free of cost subject to the following conditions

a) Supplier shall make his own arrangement for supply, erection and dismantling

on completion of the work, of his temporary distribution system required to take power from the purchaser's supply points.

b) Purchaser will supply this power to the supplier at a point within 50 meters of the location of work place.

c) Purchaser will not be held responsible for the consequences of any unintentional interruptions in power supply.

3. Service water will be made available at one point at site free of cost.

4. Contractor shall at his own cost, make arrangements for transport of his personnel to and from the site. Neither living accommodation for space for labor colony will be provided by purchaser. It shall be supplier's responsibility to make all accommodation arrangements.

5. All handling equipment, scaffoldings, tools and tackles etc. required for the erection work shall be arranged by the supplier. The material handling facility if available with Department such as Over head crane, fork lift, etc. will be provided at free of cost for transfer / shipment of material from Stores to site area otherwise supplier have to arrange material handling equipment at his own cost. The supplier shall employ his rigging staff for shipment of material to desired area. Safety procedures prevalent at site shall be complied in total and instruction in this regard from time to time by Project Director or his engineer shall be followed in all respects. Supplier shall cooperate with other contractors for the use of purchaser's facilities. Insurance of supplier’s personnel working at site for installation purpose shall be taken care of as per stipulation of Government of India. Purchaser shall not be held liable for any damage to person or property resulting from the use of construction tools and equipment furnished, rented or loaned to the contractors by the purchaser. Contractor shall be solely responsible for all injury to persons and for any other damage due to any cause in any way connected with carrying out this contract. Contractor shall indemnify purchaser in respect of all claims brought against the purchaser by anybody in this regard.

6. The supplier shall make its own arrangement for handling of 30/5 Te EOT crane equipment for installation.

7. The supplier at all times shall work in coordination with purchaser’s engineering staff and offer them all facilities to become familiar with the erection, operation and maintenance of the equipment. Contractor shall work in harmony with other

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contractors at site in such a manner to enable the other work to be performed without any hindrance.

8. After installation the crane shall be commissioned by the supplier and handed to the purchaser in complete working condition. Before handing over the tests (full load test, overload test, travel limits, hook approaches etc.) as desired at site shall be carried out and demonstrated in presence of the purchaser's representatives.

9. Installation and commissioning of the complete crane at site shall be done as per the agreed time schedule between the supplier and purchaser. The complete responsibility for the safe transportation of the crane to site and its installation and commissioning shall rest with the supplier.

10. If Installation and commissioning deferred due to non availability of site more than 1 yr from date of supply then payment for supply of crane will be settle to 90% (Supply Cost). However, supplier shall give necessary bank guarantee towards cost installation for installing the equipment within 3 years from date of supply at the price quoted for installation.

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PART-VII: DELIVERY SCHEDULE, GUARANTEE, PAYMENT TERMS, FACTORY REPORT, QUALIFICATION, SUB CONTRACTS AND GENERAL INSTRUCTIONS / NOTES

1. DELIVERY SCHEDULE:

The bidder shall submit to the purchaser the detailed time schedules indicating various stages involved in the manufacture, such as preparation of shop drawings, procurement of raw materials and components, fabrication, assembly, inspection, testing, installation and commissioning in the format as given below.

Sr. No.

Activity Time

required (Days)

1. Design of crane, preparation of design drawings and submission of the same to the purchaser for approval.

2. Preparation of additional shop drawings, submission of the same to the purchaser for information and comments if any. (It shall be the responsibility of the supplier to satisfy himself that any such additional drawings prepared by him satisfy all the design requirements as indicated in the purchaser's drawings and tender specification.)

3. Procurement of raw materials & bought out components, complete manufacture and making the entire equipment available for testing at the manufacturer’s workshop

4. Shop testing and shipment the equipment to site 5. Erection and commissioning at site

The bidder’s attention is drawn to the fact that no tender shall be considered for acceptance unless the bidder can satisfy the purchaser that he can meet the delivery schedules specified hereunder. The EOT crane as specified in this tender document shall be designed, manufactured, inspected, shop tested and supplied within 9 months from the date of release of purchase order. The erection, testing and commissioning of the cranes shall be completed within 3 months from the date of receipt of the crane at site or date of receipt of intimation regarding the readiness of the site for erection and commissioning of the crane whichever is later. The delivery schedules shall be strictly adhered to in consultation with the purchaser.

2. GUARANTEE:

2 .1. Supplier shall guarantee that the goods furnished by him shall be in full accordance with the requirements of the specifications and are new and of high quality. Supplier shall also provide the warranty that the goods are free from defects in design, materials or workmanship.

2 .2. The supplier shall indicate clearly the terms covered under guarantee / warranty and its period from the date of satisfactory commissioning and handing over of the crane. The guarantee / warranty shall cover for a period of 24 months from the supply or 12 months from the date of satisfactory commissioning and handing over of the crane to the purchaser at site whichever is earlier.

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2 .3. If, within the expiry of the above stipulated warranty/ guarantee period, the subject goods or any part thereof are found defective because of poor design, workmanship or materials, supplier shall at his own expense, repair or furnish and install replacement parts of proper design, workmanship and materials approved by the purchaser. The guarantee period for replaced parts of repair works shall be the same as above.

3. PAYMENT TERMS: Payment as per rules and regulation of Purchase (NRB).

a) No advance payment

b) Payment of 80% of supply cost against submission of Bank Guarantee.

c) 20% supply cost and 100% installation charges after completion of installation and

testing / commissioning of equipment at site.

d) If Installation and commissioning deferred due to non availability of site more than 1 yr from date of supply then payment for supply of crane will be settle to 90% (Supply Cost). However, supplier shall give necessary bank guarantee towards cost installation for installing the equipment within 3 years from date of supply at the price quoted for installation.

4. FACTORY REPORT:

The bidder shall provide the description and details of company structure, design department, fabrication units and quality surveillance department. This should include the facilities and equipment available for the design, manufacture, supply and erection of crane of similar nature and capacities. Any special features of the cranes manufactured and special facilities available with the manufacturers for the design and manufacture of the cell crane shall be indicated. The bidder should also provide the list, with reference, orders of the crane of similar kind and capacities to the government organizations especially to the units of Department of Atomic Energy. The bidder shall submit the factory report comprising all above information along with the tender.

5. SUB CONTRACTS:

The supplier shall not sub contract any part of the work without a written consent from the purchaser. The supplier shall be responsible to the purchaser for all the work of subcontractor if allowed by purchaser.

6. GENERAL INSTRUCTIONS:

6.1. The bidder shall give the cost structure and technical details strictly as per the format as given in our tender document (Annexure-A & Annexure-B) failing which the offer may not be considered. Any information (commercial or technical) if bidder wants to add can indicate in the appropriate annexure for which additional sheets can be attached. The bidder shall note that the cost figures shall not be revealed anywhere in the tender document except in Annexure-A.

6.2. The purchaser reserves the rights to place the purchase order for EOT crane on any party based on the technical evaluation, vendor evaluation and cost comparison.

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6.3. The bidders shall provide the details in vendor evaluation pro-forma as given in Annexure-C.

7. QUALIFICATION CRITERIA OF BIDDER:

7.1 The bidders who have experience for supply and installation of EOT crane with minimum 20 Te crane capacities are eligible to submit their bid. Copies of purchase order/ work orders of cranes (at least 3 nos.) supplied in past 5 years in support of confirmation of technical specification.

7.2 The bidder shall have organizational structure with respect to design, drafting, engineering planning, and procurement manufacturing/production and quality assurance. An organisation chart shall be submitted.

7.3 As there is constraint in crane clearances and approaches, it is required that supplier shall have strong design backup for execution of this order.

7.4 Annual Turn-over of the bidder in last five financial years (average) ending year 2016 shall not be less than Rupees Two Hundred Fifty Lakhs Only (Rs.250 Lakhs or 2.5 Cr).

7.5 The firm should not be under liquidation, court receivership, or similar proceedings. A self-certified statement by the firm should be furnished.

7.6 Outsourcing for manufacturing the equipment to the value of 30% is permissible with prior approval. Outsourcing of components should be detailed out during the bid.

7.7 Past experience/ performance of vendor with DAE/BARC/ PSU/ Govt. Sector shall also be considered during evaluation.

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ANNEXURE – A

COST STRUCTURE PERFORMA

1. Ex-Works cost of the crane (including gantry girder, rails, etc.)

2. Packing and Transportation Charges for all the materials and equipment to BARC Facility, Kalapakkam.

3. Installation and commissioning cost of the crane including that of crane gantry girder and power & control cables.

4. Cost of spares as indicated in clause no. 10.1 (Separate cost for each item shall be specified).

5. Taxes / duties etc. (Specify separately the amount for different types of duties and taxes as applicable)

6. Validity period of the quotation. (120 days desired)

7. Delivery period.

8. Guarantee/ Warranty period. (As per tender document)

Note: Bidder shall provide cost figures (break up) strictly in above format.

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ANNEXURE – B

INFORMATION REGARDING CONSTRUCTION OF THE CRANES, TO BE

SUPPLIED BY THE SUPPLIER/ BIDDER

Please follow the notes carefully as given below:

1. Provide details asked for separately for LT, CT and Hoist wherever required. 2. The specification for all components shall be provided. 3. The layout of the cranes shall be as per the purchaser’s Tender Drawing No.:

A2/VWSF (K)/08.07.01/14/GA/R0. 4. The information asked for as detailed below and any other missing information should

be clearly indicated in the tender. Additional information supporting the points as asked below may be provided on separate paper and to be submitted along with tender. Any special features of the crane offered also shall be clearly indicated.

5. All the dimensions shall be in Metric Units Technical Information to be provided by bidder: 1. SPECIFICATION OF THE CRANE

1.1. GENERAL

1.1.1. Number of crane

1.1.2. Type of crane

1.1.3. Duty of the crane

1.1.4. Type of service

1.1.5 Safe working load

1.1.6. Atmospheric condition

1.1.7. Hoisting method

1.2. OPERATING SPEEDS (at rated load)

1.2.1. Long travel

1.2.2 Cross travel

1.2.3 Hoisting

1.3. CRANE PERFORMANCE AND STRUCTURAL DETAILS (ref: tender drawings)

1.3.1. Span (A)

1.3.2. Total lift

1.3.3. Distance between the bottom of the crane rail on the longitudinal crane gantry girder to the bottom of top RCC slab (Head room available) (C)

1.3.4. Bridge wheel base (P)

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1.3.5. Trolley wheel base (T1 & T2 in mm)

1.3.6. Longitudinal approaches of the crane

C1 (mm)

C2 (mm)

1.3.7. Transverse approaches of the crane

F1 (mm)

F2 (mm)

1.3.8. End clearance between the crane bridge and walls (J)

1.3.9. Distance between ground level of cell to topmost position of hook (E)

1.3.10. Distance between ground level of cell to lowest bottom of L.T. bridge (L)

1.3.11. Minimum clearance above the crane (T)

1.3.12. Distance between the center line of the crane rail to the adjacent wall (H1 & H2)

1.4. Cable take up arrangement for L.T. bridge.

1.5. Cable take up arrangement for C.T. Crab.

2. BRIDGE CONSTRUCTION

2.1. Type of girder construction

2.2. Type, size and section modulus of end truck (carriage) construction

2.3. Material specification of girder and end trucks

2.4. Size and section modulus of the girder

2.5. Distance between two girders for double girder bridge.

2.6. Safety factor used in the design

2.7. Designed maximum deflection of the bridge girder for i) Rated load ii) 25% excess load

2.8. Does the bridge construction conform to IS-807 (Yes/No)

2.9. Whether all butt and T joint welds of major load bearing component would be radio graphed (Yes/No)

2.10. Whether all welds would be dye penetrate tested (Yes/No)

2.11. Whether all supplier’s site inspection reports could be made available to the purchaser (Yes/No)

2.12. Whether spring loaded buffers will be provided on bridge for mechanical stopper.

3. TROLLEY CONSTRUCTION

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3.1. Type and construction

3.2. Material specification

3.3. Size of trolley.

3.4. Whether spring loaded buffers will be provided on trolley for mechanical stopper.

4. WEIGHTS, LOADINGS AND DESIGN CONSIDERATIONS

4.1. Bridge wheel loading on the crane gantries

4.2. Trolley wheel loading on the bridge girders

4.3. Total crane weight

4.4. Total trolley weight

4.5. Maximum weight of the single unit for handling during transportation, storage and installation

4.6. Minimum safety factor used in the design of the crane

4.7. Minimum impact factor considered in the design of the crane

5. RAILS DETAIL

5.1. BRIDGE RAILS

5.1.1. Type and weight of the rail per meter

5.1.2. Size of the rail

Top width (W1)

Bottom width (M)

Height (W2)

5.1.3. IS standard or other standard to which they conform to

5.1.4. Material Specification

5.1.5. Fixing arrangement of the rails and spacing in between successive mountings

5.1.6. Whether wheel stoppers for bridge will be provided on rails?

5.2. TROLLEY RAILS

5.2.1. Type and weight of the rail per meter

5.2.2. Size of the rail

Top width (W1)

Bottom width (M)

Height (W2)

5.2.3. Material specification

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5.2.4. State to which IS standard the rails conform to

5.2.5. Fixing arrangement of the rails and spacing in between the successive mountings

5.2.6. Whether wheel stoppers for trolley will be provided on rails?

6. CABLE TAKE UP

6.1. CABLE TAKE UP FOR L.T. BRIDGE

6.1.1. Type

6.1.2. Details of Cable Take up

6.1.3. Mounting arrangement for cable take up.

6.1.4. Insulation specification

6.2. CABLE TAKE UP FOR C.T. CRAB

6.2.1. Type

6.2.2. Details of Cable Take up

6.2.3. Mounting arrangement for cable take up.

6.2.4. Insulation specification

7. MECHANICAL DETAILS

7.1. WHEELS

7.1.1. BRIDGE WHEELS

7.1.1.1. No. of wheels

7.1.1.2. Material specification

7.1.1.3. Diameter

7.1.1.4. Flange dimensions (Projection outside the rail on each side)

7.1.1.5.

Maximum wheel load with impact factor and without impact factor

7.1.1.6. Dimensional details of bridge end stoppers (wheel stopper)

7.1.1.7 Hardness of wheels in BHN

7.1.2. TROLLEY WHEELS

7.1.2.1. No. of wheels

7.1.2.2. Material

7.1.2.3. Diameter

7.1.2.4. Flange dimension (projection outside the rail on each side)

7.1.2.5. Maximum wheel load with and without impact factor

7.1.2.6. Dimensional details of trolley end stoppers (wheel stopper)

7.1.2.7. Hardness of wheels in BHN

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7.2. WHEEL AXLES FOR BRIDGE AND TROLLEY

7.2.1. Type

7.2.2. Material specification

7.2.3. Size

7.3. Bearings for bridge wheels, trolley wheels, main and aux. hoisting units and their hook blocks, rope drives and all gear boxes

7.3.1. Type

7.3.2. Make

7.3.3. Lubrication particulars including the scheme of centralized lubrication for the complete crane

7.4. HOISTING METHOD FOR HOIST

7.4.1. Whether wire rope hoisting will be provided? (Yes/No)

7.4.2. Type of rope

7.4.3. Rope Specifications

7.4.4. Material of construction for rope

7.4.5. Minimum breaking load

7.5. HOISTING DRUM FOR HOIST

7.5.1. Material specification

7.5.2. Design Specifications

7.6. HOISTING WIRE ROPE GUIDE (Scheme)

7.7. GEAR DRIVES FOR LT, CT, AND HOIST

7.7.1. Type

7.7.2. Make

7.7.3. Material specification of gears, pinion and shafts

7.7.4. Lubrication type and specification

7.7.5. Does it conform to any relevant standards, and if so, specify the applied standard

7.7.6. Hardness of gears and pinions in BHN

7.7.7. Gear box reduction ratios: LT, CT and Hoist

7.8. HOOK FOR HOIST

7.8.1. Type

7.8.2. Material specification

7.8.3. Whether the hoist hook can swivel freely under load, and whether it can be locked remotely at four positions (900 apart)

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7.8.4. Does it conform to any relevant standards and if so specify applicable standard.

7.8.5. Type of the hook block supplied

7.9. TYPES OF COUPLING FOR

7.9.1. Long Travel

7.9.2. Cross Travel

7.9.3. Hoisting

7.9.4. Material specification for coupling

8. ELECTRICAL DETAILS

8.1. MOTORS

8.1.1. Motors for L.T, C.T and Hoist

8.1.1.1. Type of motor

8.1.1.2. Make

8.1.1.3. No. of motors

8.1.1.4. Power rating (voltage, current, frequency, no. of phases and wattage in Kw)

8.1.1.5. Rating (duty)

8.1.1.6. No. and specification of bearings used per motor

8.1.1.7. Class of insulation

8.1.1.8. Earthing detail

8.1.1.9. Do they correspond to latest IS-325 (Yes/No)

8.2. BRAKES FOR HOISTING (MH &AH), LT,CT

8.2.1. Type

8.2.2. Make

8.2.3. Design value of holding torque in % full load torque

8.3. LIMIT SWITCHES FOR LT, CT AND HOISTING

8.3.1. Type

8.3.2. Make

8.3.3. Mounting Details

8.3.4. Whether rotary as wells as gravity type limit switches will be provided for hoisting operation

8.4. PENDANT AND IT’S CONTROL SWITCHES

8.4.1. Type and Make

8.4.2. No. of pendants to be provided

8.4.3. Material specifications

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8.4.4. No. of switches per pendant

8.4.5. Whether mechanical and electrical interlocking is provided

8.4.6. Arrangement to avoid simultaneous operation from different pendent (Arrangement for energizing only one pendant at a time to execute crane operation)

8.5. TRANSFORMERS FOR POWER AND CONTROL CIRCUITS, FOR BRAKE SUPPLY, FOR LT, CT AND HOISTING

8.5.1. Power Rating

8.5.2. Voltage and current rating

8.5.3. Type

8.5.4. Make

8.5.5. Earthing Details

8.6. ISOLATORS AND FUSE HOLDERS FOR MAIN ISOLATORS FOR L.T, C.T AND HOISTING, FOR CONTROL CIRCUITS (WHETHER CONSIDERED)

8.7. OVERLOAD PROTECTION FOR LT, CT AND HOISTING MOTORS AND BRAKE CIRCUIT (WHETHER CONSIDERED)

8.8. SINGLE PHASE PROTECTION FOR ALL MOTORS

8.9. ELECTRICAL PANEL FOR LT, CT AND HOISTING

8.9.1 Panel size

8.10. ELECTRICAL CABLES

8.10.1. Type

8.10.2. Rating

8.10.3. Make

9. SPECIAL FEATURES

9.1. Whether additional technical information supporting the requirements for a special design features as indicated in paragraph 8.1. of Part-II tender specifications have been provided ? (Make and model specification Remote control shall be indicated. And catalog also shall be provided)

9.2. Whether additional technical information supporting the requirements for a special design features as indicated in paragraph 8.2. of Part-II tender specifications have been provided ? (Seismic analysis procedures shall be described)

10 Details of VFD drives for speed control of motors TYPE

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make model

10.1 Hoisting

10.2 LT drive

10.3 CT drive

11. Whether the supplier/ bidder will conduct and provide test certificates for all the tests specified in the tender specifications (Yes/No)

12. Any other remark the supplier/ bidder would like to add

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ANNEXURE-C

VENDOR EVALUATION PROFORMA

(To be filled in and submitted along with the tender)

Reference Tender Enquiry No. Date Quotation No. Date: 1. Vendor Details :

(a) Name

(b) Address (Office & Works)

(c) Telex

(d) Contact Person

(e) Details of ownership of premises

(only if not owned by company)

2. Registration Details: Registration No. : (a) Small Scale Industry

(b) Directorate of industries

(c) Others

3. Organization Details : (a) Nature (proprietary, partnership,

private limited, public limited, state/central government undertaking)

(b) Top management (name, qualification and position)

(c) Date of incorporation (include all details in case of sister organization, if any)

4. Performance of preceding five years with profit and loss account (a) Year

(b) Capital

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(c) Turnover

(d) Profit/loss

5. Current year performance:

a) List the orders already executed.

b) List the orders in hand, their value and anticipated date of completion.

6. Details of Facilities Available: (a) Floor space

(b) Key departments

(c) List of machines, equipment etc. available

(d) No. and details of welding sets

(e) No. and details of qualified workers

(f) Men power available

(g) Quality control facilities available Instruments, Qualified operators Facilities available from other sources

7. Documentation: (a) Reference standards specific to

tender enquiry

(b) Plant standards availability with each departments duly updated

(c) Drawing availability for purchaser’s retention

(d) Procurement of materials with emphasis on test certificates for purchaser’s verification

(e) Availability of inward inspection

(Yes / No)

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(f) Availability of process inspection

(g) Availability of final inspection

8. Work Experience:

Whether Cranes of similar nature have been manufactured earlier? If yes for whom?

(Yes / No) Details