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SATISH DHAWAN SPACE CENTRE SHAR SOLID PROPELLANT PLANT

Indent Ref: SHAR/ SPP/2018007951

TECHNICAL SPECIFICATIONS OF DOUBLE GIRDER FLAMEPROOF EOT CRANES

Sl.

No

Type of

crane

Capacity

of crane

(ton)

Span

(m)

Height of

Lift (m)

Crane

Travel

(m)

Duty

class of

crane

Quantity

( No) Facility

1

Double

Girder

Flameproof

EOT Crane.

60t 19.60m 12.0m ~37m

Class - II

of

IS 3177

01 New S200

NDT, SPP

2

Double

Girder

Flameproof

EOT Crane.

60t 19.10m 12.0m ~25m 01 New S139

NDT, SPP

The above EOT cranes shall be supplied, transported, erected and commissioned as per the Technical Specifications, Terms & Conditions given in following pages of this document.

Ref : SHAR/SPP/2018007951

CONTENTS OF BOOKLET

Sl. No

Contents

Page No.

1 Bid Qualification Criteria for supply of 60t Double Girder

Flameproof EOT Cranes A to B

2 Full Technical Specifications cum Compliance statement, Terms

& conditions of supply including codes and standards. 1 to 34

3 Annexure – 1A to 1B :

EOT Crane Clearance diagram and dimensions. 35 to 36

4

Annexure – 2A, 2B & 2C :

Layout of VVVF Room & Crane bay 37 to 39

Annexure – 2D :

Schematic of Push Button operating station 40

5 Annexure – 3 :

Quality Assurance, Inspection and Testing plan for EOT Crane 41 to 51

6

Annexure – 4 :

Commercial Terms & Conditions of the contract. 52 to 55

Page A

BID QUALIFICATION CRITERIA FOR SUPPLY OF 60t DOUBLE GIRDER FLAMEPROOF EOT CRANES

Bidders who are qualifying /meeting following Technical and Financial capabilities are eligible to

participate in the bid for supply of 2 nos. of 60t EOT Cranes. Bidder shall furnish all the requirements asked in

this criterion with documentary proof and submit along with quotation. Bids of the parties which are not

meeting the following criteria will not be considered for evaluation and will be rejected without seeking any

further clarifications.

Bidder shall print, sign and stamp each page of proposal as token of acceptance & submit scan copy of

the same along with the offer.

I. Bid Qualification Requirements (Techno commercial):

The bidder should meet the following all technical qualifying requirements and shall submit relevant

certificates to establish his credentials.

Sl.

No Description of Requirements Bidders confirmation

1 The Bidder should be an organization with experience in having executed

contracts for design, engineering, manufacture, supply, erection, testing

and commissioning of Double girder EOT cranes for last 5 Years in India.

2 The Annual turnover of Rs. 5.5 crores per year on an average for last 3

financial years.

3

The firm should have successfully completed Design, Manufacture,

Installation, Testing and Commissioning of following EOT cranes / works :

3a At least 1no. of double girder EOT crane of capacity 50t or above and

Span equal to 16m or above during last 05 years.

3b At least 1no. of flame proof EOT Crane of 40t or above for last 05 years.

3c At least 1no. of 40t EOT crane or above used for critical lifts/handlings

like propellants (or) nuclear materials (or) hot metal handling ladles for

reputed organizations like ISRO, DRDO, NPCL, SAIL, TATA steel, IOCL, IEL,

BHEL, etc.,..

3d At least 1 no. of EOT crane with VVVF (VFD) drive control systems not

less than 40t in the last 5 years.

3e At least 1no. of EOT crane by using Drum/Barrel coupling of reputed

make in the hoist mechanism.

Bidders should provide relevant documentary proof for the above cases

“3a to 3e” with copies of orders along with the submission of bid.

4 The firm should have facility to full load test and over load testing of 60t

EOT crane (hoist and cross travel) at their factory.

5 The firm should have successfully completed Design, manufacture and

establishment of EOT cranes (40t and above) to the satisfaction of

reputed third party inspection agencies such as MECON, M.N.Dhastur,

Loyds register, BVQI and DNV.

6 Bidder shall furnish the details of their factory like manpower,

machinery, quality system etc, for department to access their capability.

II. The following documents shall be submitted along with the application for prequalification of Bid:

S.No Description of Requirements Bidders confirmation

1 Firm establishment certificate and nature of work (for S.No.1)

2 Details of work of similar type completed (for S.No.3a to 3e, 4, 5)

3 Satisfactory work Completion certificates from the clients with the work

order copies (for S. No. 3a to 3e, 4, 5)

Page B

4 Performance Report of EOT cranes established (with years of service

from End users with addresses and contact person with phone numbers).

5 Documentary evidence (Technical details & drawings) for fulfilling special

technical conditions (S.No. 3a to 3e, 4, 5).

6 Copy of audited Balance sheets for last three financial years

7 IT/TDS certificates for last three financial years.

8 Current Solvency Certificate for a value around Rs.1.8 crore.

9 List of EOT crane projects (for capacity 40t and above & Span 10mt and

above completed for last 5 years with PO copies).

10 List, value and purchase order copies of total projects under Execution

with Purchaser name and address.

11 Structure and organization Chart and company.

12 List of personnel with qualification & experience in the firm in the areas

of design production, quality safety administration etc.

13 List of Machinery & Equipment in factory suitable for the EOT Crane

works.

14 Any other relevant information which is related to above.

Date: Signature of competent person

with company seal.

III. IMPORTANT NOTES:

1. Bidder shall furnish all the above details/information/ documents fully and explicitly.

2. Please note that the “BID” without above mentioned the documents/information in support of the

eligibility criteria will be summarily rejected.

IV. Bid Selection Procedure and Process of BID Qualification

Step-1 : Short listing based on documents submitted, satisfying all the eligibility criteria given above by

the firm or individual along with their Bid/application. (Non submission of any document as

given in above list within stipulated time leads to rejection of Bid)

Step-2 : Subsequently Bidder’s competency, their technical achievements and financial status will be

evaluated suitable for this project. Feedback from Bidder’s clients will be verified.

Step-3 : If required, visits will be made to sites where bidder has established EOT Cranes by technical

team (ISRO or Third party).

Step-4 : If required to visit will be made to their factory/ firm by technical team (ISRO or third party) for

accessing the capacity of manufacturer.

Step-5 : Mean while technical Bids will be opened and scrutinized for meeting all technical specification

and supply conditions.

• ISRO – SDSC SHAR reserves right to verify the information/data furnished by Bidder. If the same is

found as false or with any deviation the bid will be summarily rejected.

• Only those Bidders who are found suitable & meeting all the above qualification Criteria/

requirements will be finally qualifying for opening of the price Bids for evaluation.

Page :1 TECHNICAL SPECIFICATIONS OF FLAMEPROOF 60t EOT CRANES

SDSC SHAR

I

Bidder shall completely fill the following format of technical specifications and terms & conditions with mentioning required details. Bidder can add more information and details, if required, by attaching separate sheets, by giving point no. of this format. Inadequate /incomplete, ambiguous, or unsustainable information, against any of the clauses of the specifications / requirements shall be treated as non-compliance to tender and quotation will be rejected. Generalized statements like cranes shall be manufactured "as per your specifications" or "as per IS standards" or "as per enclosed specification" is not acceptable and Bidder shall submit all the specifications by filling in the following FORMAT only, otherwise it is not valid.

II

Bidder shall submit complete information asked in Qualification Criteria for qualifying for bid with all information’s, certificates and earlier references of manufacture should be enclosed. The offer meeting all the requirements & conditions in all respects will only be considered for further processing.

III THE FOLLOWING INFORMATION/ DOCUMENTS SHALL BE

SUBMITTED ALONG WITH QUOTATION.

Confirm whether

attached & up loaded

in e-portal

III.a

Acceptance of Technical Specifications with Point-wise Specifications to all points as given in this "Specification cum Compliance Statement" (given in the following FORMAT). Bidder shall agree / accept for all technical specifications / terms & conditions by filling acceptance colums and signing with company seal in all the pages of this tender specifications.

III.b Bidder Qualification Criteria with duly furnished information, as given along with this specifications.

III.c Schematic GA Diagram/ Clearance drawing of EOT Cranes showing major dimensions & clearances as per following specifications.

III.d Deviations with respect to specifications given below are not acceptable. However Bidder can submit / suggest improvements, if any, separately by indicating the clause no. in this specifications.

III.e Bids/Quotations without above documents/Information, will be not be considered for evaluation and will be rejected.

SL.NO. DESCRIPTION ISRO-SHAR SPECIFICATION Bidder’s

Confirmation 1 Scope of Work

1.1 A Detailed scope

of work

1. Design, Manufacture, Inspection, Shop testing,

Supply, Erection, Commissioning and Performance

proving of 2nos. of 60t Flame proof, Top

running, Double girder heavy duty EOT

cranes, along with LT gantry rails, power cable

system as per the following specifications, terms &

conditions and in accordance with latest editions of

IS:3177, IS:807 & relevant codes and standards.

2. The scope of work shall also include procurement

of all materials including importing of components

(from other countries) required for completion of

the work, coordinated planning for manufacture,

inspection, third party inspection services,

painting, load testing at supplier works.

3. Packing, marking, loading on Trucks/ Trailers and

safe transportation of EOT cranes & other parts /

items / accessories from supplier site to SHAR site.

4. Erection of EOT cranes, Bridge rails, and LT Drag

chain power cable system at our site.

5. Testing & commissioning of EOT cranes shall be

done as per the Technical Specifications, QAP, &

conditions and also in accordance with latest

editions of IS: 3177, IS: 807 & relevant codes

and standards.


SDSC SHAR

1.1B

Third party

inspection is

in the scope

of supplier

Arranging the third party inspection is in the scope of

supplier for the entire scope of work (Design

approvals, Stage inspections, & testing) as given

above and as per QAP enclosed. Supplier shall engage

third party inspection agencies like M/s. Mecons, M/s

M.N.Dhastur, M/s Lloyds register, M/s DNV. The

finalization of third party agency shall be done on

mutual agreement between ISRO and Supplier.

1.1 B General

EOT cranes shall meet requirements of these tender

specifications which contain different sections, and as

per relevant standards. In case of any difference /

conflict between various sections of specifications and

to that of standards, the stringent of all as per

department (purchaser’s) view shall be applicable.

1.1 C VVVF Drive

Panels

Location

VVVF panels shall be erected in a separate room at

ground level and cabling shall be done from this room

to the EOT cranes at gantry girder height.

1.2 Quantity of

Cranes

Cranes – 1 (For NDT, SPP : S200 bay)

• SWL : 60t • Span : 19.6m • Height of Lift : 12m • Top of LT Gantry girder : 12.70m • Cranes Travel : ~37m • Qty : 1no

Cranes – 2 (For NDT, SPP : S139 bay)

• SWL : 60t • Span : 19.10m • Height of Lift : 12m • Top of LT Gantry girder : 12.70m • Cranes Travel – ~ 25m • Qty : 1no

1.3 Hazardous

area

conditions

EOT cranes shall be equipped with flame proof electrical systems suitable for operating in hazardous area classified as Zone1, Gas group IIA/IIB,T4 as per relevant IS/IEC standards.

1.4 Application

These heavy duty EOT cranes are used for handling of

dangerous/ hazardous materials like rocket motors,

propellant containers, fuel/oxidizer powder tanks etc.,

for positioning and assembly during processing of

space vehicles. In case of any failure of crane, there

will be heavy loss to property and life. Hence Supplier

shall design, manufacture and erect the cranes with

emphasis on quality, reliability and safety and shall

ensure smooth & reliable operation of cranes with long

service life.

1.5

Usage period &

Desired life of cranes

These heavy duty EOT cranes will be put to use for

365 Days, intermittent duty with Hoist CT, and LT

movements. EOT Cranes shall be designed for long

service life with trouble free operation.

1.6

Operating

Environment of

Cranes

Indoor, near to sea (i.e., saline atmosphere), with

ambient temperature 50ºC and with relative humidity

95%. Weather conditions are tropical. Bidder shall

consider above while design of EOT cranes, electrical

systems, enclosures, painting of cranes and related

parts.


SDSC SHAR

2.0 MAIN PARAMETERS OF 60T DG FLP EOT CRANES (02Nos.)

2.1 Type of Cranes Top running, Double girder, Flame proof EOT Cranes

for Indoor use.

2.2 Class & Duty Structure Class-II (M5) duty as per IS: 807.

Mechanisms: Class – II (M5) as per IS:3177.

2.2 A

Duty Factor

(Cdf) for flame

proof Cranes

As cranes is used for handling dangerous materials,

the Duty factor (Cdf) of 1.7 shall be taken in design of

components in hoist motion.

Crane 1 Crane 2

2.3 EOT Crane

capacity 60t (60,000kg) 60t (60,000kg)

2.4 Span 19.6m 19.1m

2.5 Lift of height

(above FFL) 12.0m 12.0m

2.6 Distance from

Floor to top of

rail

~ 12.7m ~ 12.7m

2.7 Crane travel

in metre (LT) ~ 37.0m ~ 25.0m

2.8 Operation Speeds (maximum) in m/min for both the cranes

i) Hoist in m/min Main-2.5/ Creep-0.25 (Through VVVF Drives).

ii) Long travel in

m/min

Main-6.0/ Creep-0.8 (Through VVVF Drives).

iii)

Cross travel in

m/min

Main-6.0/ Creep-0.8 (Through VVVF Drives).

iv)

Creep speed VVVF drives

Creep speed shall be provided through VVVF drives & controls of make : M/s SIEMENS / M/s ABB

2.9 Side clearance (Distance from centre of gantry rail to nearest

obstruction) ~ 400 mm

2.10 Head Room available

(Maximum) (Vertical distance from top of gantry rail

to lowest overhead obstruction) ~ 4.0meters

2.11 Hook Approaches for 60t EOT Cranes

CT: DSL side / Non DSL side:~2.5m / ~2.0m

LT: Drive side / LT Non-Drive side: ~3.0m / ~3.0m

2.12 CT Wheel diameter

Not less than 400mm

2.13 LT Wheel Diameter

Not less than 500mm

2.14 Location of

VVVF Panels

VVVF drive panels, DBR units, other electrical panels

shall be kept in separate room in ground level. Refer

clause no. 5.4.8

2.15 Size of Cross Travel Bridge Girder Rail

Cranes CT Rails not less than CR-80 as per IS:3443.

Only CR rails shall be used.

2.16

Size of Cranes

gantry rails for

Long Travel

Cranes LT Rails not less than CR-100 as per IS:

3443. Only CR rails shall be used. LT Rails are in the

Cranes vendor's scope.


SDSC SHAR

2.17 COMMON PARAMETERS FOR FLP EOT CRANES

2.18

Number of wheels for LT drive

4

2.19 LT Drive

Horizontal type, Foot mounted, standard make

gearboxes as ment ioned in the “Make of

bought out i tems” shal l be used. Central drive

shall be used.

2.20 Number of wheels for

CT drive

4

2.21 CT Drive

Central drive with Vertical type gearboxes of standard

make shall be used with proper lubr icat ion

arrangement for gearbox.

2.22

Platform for

approach for

maintenance

of CT drive

Maintenance platform covered with chequered plate shall be provided for maintenance of CT drive.

2.23 Type of bearings for LT/CT wheels

Anti-friction, heavy duty double row Spherical Roller Bearings.

2.24

Type of mounting of

LT/CT wheels

"L" type brackets, fastened with fit bolts with nut and lock nuts.

2.25

Operations

required

through

Floor operated pendant with down shop leads.

3 MECHANICAL ELEMENTS DESIGN & DETAILS

3.1

EOT cranes mechanisms components shall be designed for strength

under case I, II, III and IV loading conditions and load combinations as

per clause no. 7.3.2 of IS:3177.

3.1a

Factor of safety and permissible stress shall be calculated as per clause

no. 7.4.3 & 7.4.4 of IS: 3177 and technical specifications given and on

the basis of minimum ultimate tensile strength. However for all load

bearing mechanical components’ factor of safety shall not less than 5

for case-I loading.

3.1b

Supplier shall consider above loading conditions & permissible stresses

in design of EOT Cranes and accordingly shall submit calculations for

mechanism components.

3.1c

The stresses in all components of hoist mechanism and gearboxes should not exceed 66% of yield stress/proof stress of the material for the component under break down conditions of motor i.e. pullout

torque of motor.

3.1d

All mechanical components in Hoist (vertical load path), shall be designed for infinite fatigue life. Fatigue analysis shall be based on the cranes maximum rated load. Necessary calculations shall be submitted during detail engineering as per code IS 3177.

3.1e

No cast iron part should be used /considered in mechanical load bearing member on the cranes, except for electrical equipment. Similarly wood or combustible material and Bush bearing should not be used in any part of the cranes.

3.2 Hoist hook type Forged, Single Shank Point hook with safety latch and Thrust Bearing as per IS:3815 / IS:15560.


SDSC SHAR

3.2a Lubrication of hook

Provision shall be made for lubrication of hook thrust

bearing and provide with dust cover.

3.3 Number of falls for Hoist

08 (Eight).

3.4 Rope Drum Rope Drum shall be of fabricated type made from

steel of IS: 2062 Grade ‘B’ and shall be duly stress

relieved and shall be made as per IS 3177.

3.5 Rope drum diameter shall be minimum 28 times the

diameter of wire rope.

3.5.1

Fleet Angle of wire rope from drum to sheave shall

not be more than 2.5 deg and drawings & calculations

shall be provided in this regard.

3.6 Rope Drum

Rope drum shall be provided with not less than three

dead turns at each anchored end and at least one

spare groove at the other end. Grooves shall be

finished smooth.

3.7

Rope dead ends shall be clamped with

minimum three clamping wedges with two numbers of

bolts on each clamp. The bolts shall be at the centre

of clamp and shall be wire locked.

3.7.1

In the event of failure of drum shaft or bearing, the

drum must be retained on the trolley without falling.

3.8 Hoist wire rope

M/s USHA MARTIN make, Galvanized, 6x36, RHO lay, core IWRC, Grade 1960MPa. Genuine wire rope shall be used. No joints shall be used for wire ropes under this specification.

3.8.1 Factor of Safety on wire rope

Minimum Factor of safety on wire rope shall be 8 (eight) on minimum breaking strength of wire rope.

3.9 Rope Sheaves

All sheaves shall be of forged steel only. Sheave

diameters shall be minimum 24 times rope diameter.

In the event of hook over travel, where the lower

block contacts the cranes trolley structure, the ropes

shall not be cut or crushed.

All the sheaves shall be mounted above the trolley

platform with ease access to maintenance/repair and

inspection.

All the top sheaves shall be positioned such that it

can be removed individually without removing other

components like equalizer pulley, rope drum etc.

3.9.1

Bearings for Sheaves

/Pulleys

All the sheaves & pulleys shall be provided with

standard roller bearings of genuine make of SKF,

FAG, INA, TIMKEN.

3.9.2

Lubrication of Pulleys

Arrangement shall be provided for periodical

lubrication/ greasing of bearings.

Guards/covers shall be provided for all sheaves.

3.9.3 Equalizer

Pulley

Equalizer pulley shall be 18 to 20 times the wire rope

diameter and shall be mounted on swiveling

arrangement.


SDSC SHAR

3.9.4 Sheaves

1. Sheave grooves shall be machined smooth and

support wire rope uniformly at least 1360 angle of

contact over its circumference.

2. Wire rope fleet angle shall be not more than 2.50

for sheaves.

3.10 Gear Boxes for

HOIST

Standard reputed make, Crane duty, Helical type,

parallel shaft, spilt type housing gearboxes,

horizontal foot mounted shall be used for hoist motion.

3.11 Gear Boxes for

CT & LT

Helical /Bevel helical, parallel shaft gearboxes of

Crane duty shall be used for CT & LT drives.

Vertical Gearboxes shall have an oil pump lubrication

system when vertical gearing exceeding three stages.

Tubing/ Piping for gearbox lubrication shall be

provided with SS316/SS304 and must be properly

clamped. No hoses shall be used. Visual indicator/

gauge for oil flow shall be provided in line.

3.12

Standard make of Gearboxes for all motions of EOT Cranes.

Makes shall be M/s. Elecon / Shanti Gears/

Premium- GREAVES /Flender-Siemens only. Other makes & Own make gearboxes are not

acceptable.

3.12a

Material of

gears &

Pinions, Shafts

All are Forged Alloy Steel / Case hardening steels, as

per standard manufacturer of gearboxes.

3.12b Torque rating of Gearboxes/ Pinions/ Gears

1) Gearboxes selection shall consider starting torque of motor (i.e., 2 times the full load torque) of selected motors.

2) Due consideration shall be given for braking torque in input shaft of Gearbox.

3) Service factor shall be 1.6 for hoist on the electrical KW of selected motor.

4) Service factor shall be 1.5 for LT & CT on the electrical KW of selected motor.

5) The stresses in all components of hoisting machinery & gearboxes should not exceed 66% of yield point (proof stress) of the material for the components under break down conditions of motor i.e., pull-out torque of motor.

6) All the pinions shall be integral with the shafts.

7) Input shaft design calculations and torque rating shall be considered with 2nos. of brakes for Hoist Motion.

8) The noise level shall not be more than 80dBA during the gearbox in operation measured at a distance of 1m from gearbox.

3.12c

Details/

Drawings of

gearboxes

Drawings and Details of gear boxes, selection criteria,

Power rating & torque rating, materials,

stresses calculations, service factor, bearing details,

data sheets etc., shall be submitted for TPIA/

Purchaser for approvals during design phase.


SDSC SHAR

3.13 Gearboxes

construction

Gearboxes shall have fill and drain connections,

Breathers, lubricant level indicator, and shall have

good accessesibility for checking, maintenance and oil

filling.

The casings of gearboxes shall be made from

structural steel (IS:2062) and duly stress relieved.

No oil leakage is allowed from gearboxes. Oil drip

pans shall be provided around the gearbox.

Sufficient clearance need to be maintained between

gear of one stage to pinion of next stage of non

meshing sets to avoid interference.

For hoist mechanism, the brake drum (02nos.) shall

be provided on each side of the input shaft of the

gearbox.

Reliable oil seal arrangement i.e., double stage oil

sealing arrangement shall be provided for shafts of

gearboxes.

3.14 Brakes

3.15 Hoist Brakes

Two nos. of imported electro hydraulic flameproof

thruster brakes with Manual release. Makes shall be

M/s Witton Kramer /M/s Bubenzer /M/s SIBRE /M/s

GALVI. Thrusters for brakes shall be Explosive Proof

(Ex d), ATEX/ PTB Certified. Make of thrusters: EMG,

Germany or Brook Crompton, UK, or Galvi. Explosion

proof certificates shall be submitted for Approvals

during design phase.

3.16 Brake performance certificate, test certificate and Ex-Proof certificates

shall be provided from original manufacturer of brakes.

3.17 Hoist Brake Rating

Torque rating of Each thruster brake shall be

minimum 2 times motor full load torque. One of the

hoist brake shall be provided with operating delay in

brake application from brake to brake.

Minimum diameter of the brake drum shall be

Ø315mm for the hoist mechanism.

3.18

Braking

distance/ brake

path

Hoist components and brake shall be selected such

that the braking distance for lowering motion as per

IS 3177 with one brake at full rated speed.

Necessary calculations shall be submitted in this

regard during design phase.

3.19 Brakes for CT & LT

For each motor, flame proof EHT brakes of M/s

Electromag/ M/s Kateel/ M/s Sterling Controls

shall be provided. Brakes shall be minimum 1.5

times full load torque of selected motor.

Minimum brake drum diameter shall not be less than

Ø160mm.

3.20

Brake rating/

adjustment

for CT and LT

motions

In travel motion retardation with brakes shall not

exceed 7cm/sec2. Necessary calculations shall be

submitted in this regard during design phase.

3.21 Brakes shall be mounted on the input pinion shaft of the gearboxes.


SDSC SHAR

3.22 Brake Drum

Brake drum shall be forged/cast steel/ SG iron.

Drums shall be completely machined and Static &

dynamically balanced. Hardness of surface of

finished drum shall be 38-43 Rc Width of the brake

drum shall be 5 to 10mm more than the width of the

brake shoes.

3.23 Mounting of

equipment

All the gearboxes, motors, brakes, Wheel L brackets,

bearing pedestals, etc. shall be mounted on

machined and leveled surfaces. If shims are needed,

only Stainless steel shims shall be used.

3.24

Couplings

between

motor, brake

drum

Flexible Full geared couplings shall be used. Make of Couplings shall be M/s Fenner only.

3.25

Couplings

between

gearbox and

rope drum for

hoist

Drum/ Barrel coupling of adequate rating shall be provided between output shaft of hoist gearbox and rope drum

Make of drum/barrel coupling shall be M/s Malmedie

/ M/s Jaure only.

Service factor of minimum 2.0 on the rated KW/Full Load torque of selected motor.

Selection criteria, calculations, service factor, Torque rating, drawings shall be submitted for approval during design phase.

3.26 Travel Wheels All cranes wheels shall be made from forged steel

like C55Mn75 and minimum hardness shall be 300-350BHN for a case depth of 10mm.

3.27 Travel Wheels

Wheels shall be double flanged with straight tread

with 12 deg taper flanges with adequate flange

thickness. Wheels shall be accurately precision

machined and shall be matched in pairs with minimum

deviations.

3.28 Drive shafts

Shafts shall be of forged steel C45. Angular

deflection of the shaft at torque corresponding to

1.33 motor rated torque during acceleration

shall not exceed 0.10deg./m of shaft length.

3.29 Fasteners

Galvanized, high tensile fasteners of tensile quality

8.8 or more shall be used in cranes parts, except for

Fit bolts of Girder.

Make of all fasteners shall be M/s TVS/ UNBRAKO/

LPS only. Test certificates shall be provided.

Galvanizing shall be done by original manufacturer

of bolts.

3.29a Fasteners for

Couplings

High tensile Fit bolts (as per IS:3640) of Property

class min 8.8 shall be used for Couplings, and other

power transmission components as required.

3.30 Lubrication of Cranes

Localized/ semi centralized lubrication system with

easy approach for all pedestal & pulley bearings,

couplings, wheel bearings etc., shall be used.


SDSC SHAR

3.31

Maintenance

accessibility &

Safety

Safe access for maintenance and removal of all

mechanical and electrical parts must be ensured

without any additional scaffolding. All parts requiring

replacement or inspection or lubrication shall be easily

accessible.

3.32 Keys & Keyways

All keys where ever used should be of parallel keys as

per IS:2048 (couplings / gearboxes / motor shafts).

Material of keys shall be 45C8 or alloy steel.

Proper fits and tolerances shall be used between key

and keyways; such that key should not get loosened

in service life. Key end arrestors shall be provided.

3.33 Bearings

Ball and roller antifriction bearings of approved make SKF / TIMKEN / FAG only shall be used throughout the drives except where specified otherwise.

Rated life of ball and roller bearings shall be not less

than total life (B10 or L10) in working hours (not less

than 20,000hrs).

Special consideration shall be given to bearings which

operate at low speeds. Certified confirmation of the

bearings capacity at low speeds must be obtained

from the manufacturer during design phase.

All bearings shall be provided with proper lubrication

and means of lubrication. Mounting fits, tolerances

and clearances shall be as recommended by the

bearing manufacturer.

3.32 Bearing

Housings

All bearings housings shall be of STANDARD MAKE

(SKF / FAG / TIMKEN) and made of cast steel or

forged steel or fabricated steel bolted to a rigid

portion of cranes structure by minimum 4 bolts.

Housings shall be split on the shaft centre line to

permit removal of the shafts. The underside of the

base of each bearing pedestal shall be machined and

shall bear upon a machined surface.

4.0 STRUCTURAL DETAILS OF EOT CRANES

4.1 Design of

structural work

The cranes should be rigid, robust and of sturdy

construction. The design of all structures shall be done as per IS: 807 - Class –II (M5) and as per this technical specifications.

4.2

Material of

structural

items.

All the structural plates used in fabrication of Girders, Trolleys and End carriages, etc., shall be of minimum

8mm thick of IS:2062. .TPIA stamping, heat no., lot no. and standard makes mentioned in the annexure shall be made available.

4.2.1 Platform cover

plates M.S Chequered plates for trolley and platforms’ covering shall be minimum of 6mm.

4.3 Girders Bridge Girders shall be of double Girder, Box Type construction having maximum rigidity.

4.4 Deflection of Girders

The bridge girders shall not deflect more than

1/1000 of span with safe working load on the

trolley, with trolley stationed at mid span and

excluding deflection due to dead load.

4.5 Girder Joints No splice joint is permitted. Girder is to be of single

piece only. Number of weldable butt joints along the

total length of the girder should not exceed two.


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4.6

Ratio of

span to

depth

For Box Girders Span to Depth ratio shall not exceed

18. Accordingly other ratios as per heavy duty cranes

shall be selected as per standards.

4.7 Local Buckling

of top flange

Local buckling of top flange and compression

members shall be considered. Adequate top flange

thickness shall be considered for heavy duty

structures and necessary calculation shall be

submitted for approval.

4.8 End Carriages End carriage shall be fabricated as solid box section

made from rolled steel plates IS2062, except for

essential openings which shall be reinforced.

4.9 Structural bolted

Joints

Fit Bolts (as per IS3640 ) with property class 5.6 and

reamed holes shall be used for all structural joints

between girder, & end carriages, wheel L- bracket &

end carriages etc.,

4.10 Trolley

The trolley frame shall be built up of rolled sections

and box sections to form a rigid structure and shall be

arranged to afford maximum accessibility to

mechanical and electrical parts placed on it.

The trolley frame shall be of rigid construction

such that lifted loads do not cause deflections

that impair the proper operation of machinery.

No parts shall be mounted under the trolley except for

the gravity limit switch weight. Top pulley block and

all other pulleys, equalizer pulley, fitments shall be

mounted on the top of trolley platform only.

4.11 Top chequered

plate of trolley

The top of the trolley frame shall be fully covered with

6mm chequered plate all over except for openings

required for the ropes for bottom block etc., to pass.

4.12

Safe distance

Between trolley

& top pulley

block

Trolley and top pulley block shall be designed such

that at the highest position of hook there shall be a

clear distance of 700 mm between the lowest point of

trolley obstruction and the highest point of bottom

block.

Safe access for maintenance and removal of all

mechanical and electrical parts must be ensured

without any additional scaffolding.

All parts requiring replacement or inspection or

lubrication shall be easily accessible without the need

for dismantling of other equipments or structures.

4.13

CT

maintenance

platform

Maintenance platform covered with chequered plate

shall be provided under the CT mechanism (i.e below

CT gearbox). Access shall be there for draining of oil.

4.14 Hand rails for trolley

Handrails of 1000mm height shall be provided on all

the four sides of the trolley.

4.15 CT rail wear plate

Full length wearing plate of minimum 8mm should be

provided under the trolley rails and should be 10 to

12mm lesser in width than the rail base as per

IS807.

4.16 CT rail welding

CT rails shall be made continuous by welding standard

lengths. Welding shall be done as per standard

procedure approved by Third Party Inspection Agency

/ purchaser.


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4.17 CT & LT rail

clamping

CT & LT Cranes rails shall be clamped to the girders

with double bolt clamping plates of M/s GANTREX /

M/s GANTRAIL make. The rail clamps shall be spaced

not more than 450mm apart.

4.18 Rail Clamps for

CT & LT rails

All the rail clamps & fasteners shall be of standard

make of M/s GANTREX/ M/s GANTRAIL.

4.19 Rail stoppers

/Wheel ramps

CT & LT Rails shall be prevented from creeping in the

longitudinal direction by welded rail stops and Wheel

ramps.

4.20 Jacking pads

Suitable jacking pads should be provided on end

carriages and trolley for jacking up the cranes for

changing track wheels

4.21 Safety Pads

Safety pads shall be provided under the end carriages

and trolley to prevent the cranes from falling more

than 25mm in the event of breakage of a track

wheel/axle.

4.22 End buffers Spring buffers of rated capacity shall be provided for

long travel and cross travel.

4.23 Metric

Component

Systems

All components including fasteners should be in metric

system only.

4.24 Locking of fasteners

Bolts in rotating parts shall be locked with spring

washers and lock nuts.

All couplings and brake drums shall be provided with

“Fit” type bolts.

4.25

Make of

steel raw

materials

All the structural raw materials (plates, angles, beams)

shall be of NEW and fresh lot and of reputed make of

M/s SAIL/ M/s JINDAL/ M/s ESSAR/ M/s TATA STEEL

only.

4.26 Welded joints

All butt joints shall be 100% radiographed for both

compression and tension joints and in flanges / Webs.

All other welds shall be DP tested.

4.27 Platforms

Full length chequered platform of width

750mm shall be provided on both bridge Girders

with hand rails of height 1000mm. The platforms

shall be bolt jointed.

4.28 Toe guards

Toe guards shall be provided for all openings, on

trolley and on bridge platforms with minimum height

of 100mm.

4.29

Machine

bases on

trolley/ LT

platform

Parts of steel frames carrying machinery should be

provided with doubling plates (including stiffeners) of

adequate thickness welded and machined to true

surface.

All the drive system bases shall be made rigid to take

all the loads.

4.30

Protection

Guards for

rotating

equipment

Guards: All the moving parts should be duly covered

with guards as per safety norm. Proper guard /

cover / tray to prevent falling of bolts from coupling

etc should also be provided, wherever required.

4.31 Welded snugs shall be fitted against the feet of all pedestals,

gearboxes, brakes etc., except motors. Motors shall be provided with

alignment screws for side alignment.

4.32 Ladders


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4.32.1 Approach Ladders shall be provided from catwalk to end carriage and

to LT platforms in all four corners.

4.32.2 Approach ladders to be provided for reaching the trolley at two

locations along the span of the girder.

4.33

Protection Guards for rotating equipment

Guards: All the moving parts couplings, shafts shall be duly covered with guards as per safety norm. Proper guard / cover / tray to prevent falling of bolts from coupling etc should also be provided, wherever required. The covers shall be strong enough to take person weight ~ 100 kg.

4.34 Fasteners for pedestal blocks, motors, gear boxes etc., shall be easily removable from the top of platform. Studs or body bound bolts shall not be used as fasteners for mechanical items except for fixing covers.

ELECTRICAL & CONTROL SYSTEMS

5.1 Electrical Equipment Environment

5.1.1 Items supplied should be suitable for Hazardous Area: Zone1, Gas Group IIA/IIB, T4 as per IS 5572, IS 5571, IS 2148 and IS 5780 or equivalent IEC standards.

5.1.2 Item supplied should be suitable for tropical and humid climate: Temperature of 50°C & RH not less than 95%.

5.1.3 De-rating: All the drive motors, power cables etc., shall be done for ambient temperature of 50°C.

5.2 Power supply conditions :

5.2.1 Item supplied should be suitable for the following power supply variation: Voltage ±10 % and Frequency ±3 %.

5.2.2 Power supply to motors: 3 Ph, 4 Wire, 415 V AC ± 10%, 50 Hz ± 3%.

5.2.3

Control Voltage inside the Electrical Panel: 1 Ph, 2 Wire, 110 V AC for all contactors, relay, indication lamps, etc. 1 Ph, 3 Wire, 230 V AC for all lights, power sockets, etc. 24 V, DC supply for Drive auxiliary supply (if required).

5.2.4 Control Voltage in the Pendant push button: 8.9 V, Intrinsic safe supply (interfaced to hazardous to safe area).

5.3 Electric Motors :

5.3.1 Should accept the input from VVVF drive, 60% CDF, min of with 300 starts per hours, IP55, Inverter Duty, Class ‘F’ insulation, suited to hazardous area mentioned above.

5.3.2 All the motors shall have a provision to connect encoder in its shaft.

5.3.3 Thermistors

1. All the motors shall be housed with inbuilt THERMISTOR.

2. Independent thermistor relay need to be used. 3. Alarm and Trip input to be wired separately as a

input to VVVF control unit. 4. Protection like switch OFF / TRIP the motor in case

of increase in surface temperature more than T4 classification.

5. Qty: 2 sets per motor.

5.3.4 Bearings

1. Preferably sealed ‘ZZ’ bearing. 2. If not suitable lubrication provision to be provided. 3. Insulated bearings shall be provided for motors

rating more than 55 kW.


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5.3.5 Torque rating of Motors

1. Pull out torque of motors shall be not less than 2.75 times of full load torque.

2. Motor full load torque rating shall be minimum 120% of calculated mechanical torque as per IS:3177.

5.3.6 Speed rating of Motors

Shall be of 8 pole motors with speed ~ 750 RPM.

5.3.7 Current drawn by the Motors

Maximum Current drawn by all motors (rating more than 2 HP) with SWL should not exceed 80 % of the full load rated current.

5.3.8 Over load capability

150% of full load current for 2 minutes without damage or permanent deformation from zero to base speed.

5.4 VVVF Drives

The power (kW) rating of VVVF drive shall be higher than the selected or finalized electrical power (kW) rating of the motor.

5.4.1 Hoist Drive

1. Shall be provided with 2 Nos. (1 Working; 1 Standby).

2. Three positions selector switch shall be provided for selecting the drive and shall be indicated by means of indication lamp.

3. It shall have a provision for communicating to the automation system via. Ethernet protocol.

5.4.2 CT & LT Drives 1. Shall be supplied with 1 No. (1 Working). 2. It shall have a provision for communicating to the

automation system via. Ethernet protocol.

5.4.3 Drive Control Unit

1. Shall be supplied with 2 Nos. (1 Working; 1 Standby).

2. Three positions selector switch shall be provided for the above selection.

3. The selected control unit shall be indicated by means of indication lamp.

5.4.4 DI & DOs 20% additional DI / DOs with respect to the used/assigned terminals for future usage.

5.4.5 Operator Panel

1. Combined advanced operator panel capable of commissioning the individual drive need to be provided.

2. Operator panel shall be capable of provided with fault history read and logging facility.

3. It needs to be mounted on the panel door. 4. Qty: 2 Nos. (1 Working; 1 Standby)

5.4.6 Drive Software

1. Suitable software with valid license need to be supplied along with drive.

2. This software to be loaded on the laptop (which is the scope of department).

3. Drive communication cable suitable for support either USB or RJ45 of the laptop need to be supplied.

5.4.7 Make & Model of VVVF Drives

Model:S120 of M/s SIEMENS (or) Model:ACS880 of M/s ABB


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5.4.8

Location of

VVVF Panels for

the

Flameproof

EOT cranes

All VVVF & electrical panels shall be kept in separate

room in ground level as mentioned below :

At Entrance of the bay and apx. centre of the bay. All

the power and control cables towards the EOT

cranes shall be routed from this rooms to the top

with fo r EOT cranes. Approx. cable length

(Armoured) from VVVF room to EOT cranes junction

box at 2m from FFL at centre of the LT girder is as

mentioned below :

Crane 1 : ~110m.

Crane 2 : ~100m.

5.4.9 Panel door limit

switch

Door Limit switch: Should control the panel lighting of

the VVVF Drive panel. Qty: As per panel design.

5.5 Input and Output Chokes

Suitable input choke for controlling harmonics and output choke for reducing dv/dt and terminal peak voltages at Motor.

5.6 Dynamic Braking Resistors

1. DBR of suitable capacity/rating shall be provided to all VVVF drives (in feed re-generative model shall not be selected).

2. For Hoist motions DBRs shall be sized for a minimum of 150% of motor full load torque and it shall not be less than the torque limit setting of the VFD in the hoisting direction.

3. Necessary forced cooling needs to be planned. Controlling of the cooling fans needs to be linked with control supply ON.

5.7 Dynamic Braking Unit

Suitable rated Dynamic Braking Unit (DBU) need to be provided for individual drives.

5.8 Encoder for Motor

Intrinsic safe / flame proof hollow shaft incremental encoder to be used to achieve vector control mode of operation for Hoist application.

All Encoder signals shall be suitable for VVVF drive input.

Encoder signal shall be of intrinsic safe / flame proof signal only. Screened cable /fiber optic cable as per manufacturer recommendations and as decided by purchaser shall be used for encoder.

Encoder shall have a provision to send two signals from the single encoder.

Encoder shall have a terminal strip termination for connecting the cables.

5.9 Flameproof Thruster Brakes

All the brakes need to be powered with suitable rated Motor Protection Circuit Breaker (MPCB)


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5.10 Scheme to be followed for powering the Brakes :

5.10.1 All Hoist Brakes

1. Logic for operation: a. Opening: Monitoring min. of 20% of current

built in the motor. b. Closing: Monitoring min. of 0% speed of the

motor. 2. No. of power contactor: 2 Nos. per brake set. 3. Controlling of power contactor:

a. One no. of digital output/contactor from the control unit.

b. One no. of intrinsic safe relay/contactor. 4. All the brake contactor status needs to be

monitored. 5. In case of any one power contactor got welded/

fused, the system has to operate with flashing indication.

6. If both the power contactors got welded/fused, main (line) contactor need to be switched OFF.

7. Similarly MPCB trip status needs to be wired as one digital input to control unit for logic evaluation.

5.10.2 All CT & LT brakes

1. Logic for operation: a. Opening: Monitoring min. of 20% of current

built in the motor. b. Closing: Monitoring min. of 0% speed of the

motor. 2. All the brake contactor status needs to be

monitored. 3. MPCB trip status needs to be wired as one digital

input to control unit for logic evaluation.

5.11 Limit Switches

1. Gravity Limit switch: Should control the Entire power supply of the cranes. Qty: 1 No.

2. Rotary Limit switch: Should control the Hoist motion of the cranes. It shall have a 4 NC points. Qty: 1 No.

3. 2-Way Lever Limit switch: Should control the Cross Travel and Long Travel of the cranes. Qty: 4 Nos.

5.12 Junction Boxes

5.12.1 Flame Proof Junction Boxes

1. FLP junction boxes shall be provided for inter facing of all the equipment which are powered not

through intrinsic safe supply (i.e., > 8.9 V) 2. All the terminal inside this box shall have a

provision for connecting ring type lugs only. 3. Make: M/s FEPL / M/s BALIGA/FCG / STAHL

5.12.2 Non-Flame Proof Junction Boxes

1. Non-FLP junction boxes shall be provided for inter facing of all the equipment which are powered through intrinsic safe supply (i.e., pendant control, limit switches, etc)

2. Make: M/s Rittal / M/s President.

5.12.3 Probable location of Junction boxes

The probable locations of the JBs are a. Cranes LT Gantry Girder. b. Cranes LT Platform. c. Cranes Trolley / LT platform.


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5.13 Power Socket

1. On the Cranes: Each side of the LT platform 1 No. of 1 phase, 230 Volts AC FLP switch cum socket with plug top with necessary isolating switch / MCB inside the panel.

2. Inside the Panel: 1 No. of 230 V AC power sockets with ON / OFF switch for all the panels.

5.14 Light Fittings & Bell

1. On the Cranes: a. Under slung FLP, 150watts LED light fitting

shall be provided. Qty: 4 Nos. b. FLP bell need to be planned. Qty: 1 No.

2. Inside the Panel: 1 No. of 230 V AC LED light fittings shall be provided for all the panels.

5.15 Pendant Push Button Station

1. Shall be provided with Key way switch with Mush room head Emergency OFF.

2. Control ON & OFF indication lamp powered through Intrinsic Safe circuit.

3. Shall be provided with push buttons for controlling main and creep of all motions. i.e., Hoist: UP/down; CT: right/left; LT: forward/reverse and bell

4. Push buttons shall have 1NO+3NC add-on blocks.

5. 2-way Switch for Under Bridge Lights. 6. Minimum 30% Spare Core shall be provided in

PBS with respect to the used cores. 7. All push buttons are to be powered through

intrinsic safe module only apart from other control elements like limit switch, etc..,

8. Enclosure and Chain for the pendant shall be Stainless steel.

9. Trailing cable supported on wheeled trolleys with anti-friction sealed (ZZ) bearings.

10. Stainless steel chain shall be provided for DSL arrangement and also for pendant hanging.

11. Pendant track shall be provided above LT platform for ease of maintenance.

5.16 Cables All the cables need to laid and end-terminated as per the site requirement.

5.16.1 Encoder Cable for Hoist motor

The following cables need to be supplied: 1. The Encoder cables shall be minimum of 8 core. 2. The cable shall be of screened cables and the

shield to be connected to earth. 3. Flexible single cable without any joints shall be

used for encoder from panel to encoder. 4. Qty of cable with full length: 2 Nos. To be

connected to both the signals of the proposed encoder.

5. Make: M/s LAPP or M/s IGUS

5.16.2 Power Cables

The following cables need to be supplied: 1. All the power cables shall be of 4 core only. 2. Minimum size shall be of 4 sqmm. 3. The cable running between panel to field

equipment, other than the cable running in Drag Chain are of 1.1 kV Grade, XLPE insulated, copper conductor, G.I. armoured cables only.

4. From power supply source at SDSC SHAR to Protective Panel Incomer. Qty: ≈50 mtrs.

5. From Protective panel to all the other panels, field equipments like motor, brakes, lights, bell, etc.


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Power cables towards the motors are to be selected as follows:

1. Selected / approved motor electrical kW and rated current to be selected for the voltage drop calculation.

2. Maximum 3% of Voltage drop only will be accepted in the selected cables.

3. Incomer cables rating to be considered for maximum of three different motions along with EOT Cranes lights and other transformers loads.

4. Out of used cores, 30% of core shall be kept as spare with respect to each size of the cables from panel to junction boxes.

5.16.3 Control Cables

The following cables need to be supplied: 1. All the control cables shall be minimum of 12 core

only. 2. The cable running between panel to field

equipment, other than the cable running in Drag Chain are of 1.1 kV Grade, XLPE insulated, copper conductor, G.I. armoured cables only.

3. From Protective panel to all the other panels, field equipment like brake limit switches, various limit switches, pendant, etc.

5.16.4 Cable Identification

1. Cable tags indicating the source and destination to be provided for all the cables.

2. The ferrules shall be of ring type and of non-deteriorating material.

5.16.5 Cable identification Inside the panel

The following cable management to the planned: 1. Power circuit – Minimum size: 4 Sq.mm 2. Control circuit – Minimum size: 2.5 Sq.mm 3. Signal wire (for Control Unit and Encoder module) -

Maximum size: 0.5 Sq.mm 4. Colour coding should be followed as:

a. 110 V AC Phase – Grey without sleeve. b. 240 V AC Phase – Grey with RED sleeve. c. 110 V &240 V AC Neutral– Grey with BLACK

sleeve. d. 415 V AC – Black with RED, YELLOW, BLUE

and / BLACK. e. 24 V DC Positive– Red. f. 24 V DC Negative– Blue. g. 8.9 V DC – Orange. h. Signal cable – As per the standard of

LAPP/IGUS cable. i. Earth cable – Green & Yellow.

3. All the limit switch terminals (Hoist, CT, LT and Brakes, etc) need to be wired up to the terminal block of the VVVF panel.

4. Interconnecting / looping of above terminals need to be carried out in the VVVF panel terminals only.

5. Interconnecting of above terminals in the equipment’s and bringing the common terminals to the VVVF panel is not acceptable.


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5.16.6 Earthing

The following area cables/strips need to be supplied: 1. G.I. Earth strip (min. 25 x 6 mm) shall be

provided 2. LT Rail at both the sides of the cranes needs to be

earthed. 3. All the equipment including the mechanical

structure needs to be grounded effectively with double earthing.

4. Suitable bridge clamp need to be positioned on the cranes for tapping of earth points.

5. Panel shall be provided with earthing provision at both the ends.

6. All earthing shall be connected with plant earth (which is 20 mtr. away from the panel location).

5.16.7 Drag Chain

1. Drag chain shall be provided for LT and CT motions.

2. Necessary supports (like beam / angles, guided cable tray, etc) for running the drag chain along the LT and CT motions shall be provided. Drawings shall be submitted for approval during design phase.

3. Maintenance cage shall be provided for attending the LT drag chain maintenance.

4. All the cables running inside the drag chain are of same make as that of the drag chain.

5. Make: M/s IGUS / M/s LAPP

5.17 Cable Tray

1. Perforated G.I. cable trays need to be planned for routing the cables from the panel to top of the cranes.

2. Necessary supports (like beam / angles, etc) for running the cable tray inside the trench (bottom of the panel), on the wall, on the cranes, etc need to be supplied.

3. Entire length of the cable trays need to be

covered with G.I. sheet cover. Fasteners shall be as per the manufacturers recommendations.

4. No cables are routed without cable trays and covers.

5. The cable trays are also to be earthed with respect to the common ground.

6. Cable Layout and tray mounting drawings shall be provided along with number and sizes of cable trays during design phase.

5.18 MCCB

1. Protective Panel - MCCB with adjustable overload, adjustable short circuit protection, adjustable ground fault and Instantaneous protection to be provided.

2. Protective Panel - MCCB handle (door operated) shall have a illumination kit for indicating ON / OFF / TRIP.


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5.19 Switch Dis-connector Fuse (SDF) unit

1. All motion Panel - Switch Dis-connector Fuse unit. 2. All SDF to be provided with semi-conductor fuse

with fuse indication cum monitoring device. 3. All SDF to be provided with auxiliary switch to

ensure the ON / OFF status of SDF Unit. Same to be wired up to drive input to enable the drive for operation.

4. All the semi-conductor fusing indication to be wired as the drive input in series with the above point to enable the drive for operation.

5. All the isolating switches are to be provided with door interlocking and defeating provision.

6. All the isolating switches (either MCCB / SDF) are to be located uniformly in the height of 1600mm from FFL.

5.20 Fuses

Hoist, CT and LT power supply to VVVF drives to be routed through Semiconductor fast acting Fuses of adequate rating as per drive manufacturers recommendation. Semiconductor fuses shall have an indicator for fusing.

5.21 MCB

1. Voltage input to the Multifunction meter shall be routed through 3-pole MCB

2. Individual components control shall be planned by a dedicated MCB control.

3. All the MCBs shall have the provision for ON, OFF and Alarm contact provisions. The same shall be wired for the control logics (wherever required).

5.22 Contactors

5.22.1 Power Contactor

1. Duty: AC-3 2. The contactors shall be able to withstand their

rated current for one second without welding / fusing of the contacts

3. Individual Power Contactors are to be provided for each motion for controlling.

4. All the power contactors needs to be powered viz. auxiliary or interposing contactors / relays with suitable rating along with surge suppressor.

5. Any multiplication of NO, NC points – auxiliary contactor need to utilized.

6. NO add-on blocks will be allowed for power contactors.

5.22.2 Auxiliary Contactor

1. Shall be used as intermediate contactors to the power contactors.

2. All the field interlocks need to be wired to the auxiliary contactor level.

3. Suitable surge suppressor need to be supplied along with auxiliary contactor.

4. It shall be utilized for contact multiplication instead of add-on NO, NC contacts for power and auxiliary contactor.


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5.23

Motor Protection Circuit Breakers (MPCB)

1. Rating shall be selected as per the type-2 co-ordination chart with respect to fuse-less feeder.

2. All the brakes need to be powered with suitable rated motor protection circuit breaker.

3. To be provided for the each motor where the output of single VVVF drive is driving two or more nos. of motors.

4. Trip status to be wired as one no. of Digital Input to control unit to create logic as per the user requirement.

5. ON/OFF status also to be wired as one no. of Digital Input to control unit to create logic as per the user requirement.

5.24 Intrinsic Safe Relays

Input Relay: 1. All the field signals like pendant push button, limit

switches (motion & status) to be wired to this relay.

2. This relay shall be located in safe area (inside the panel) only. Make: M/s P&F

3. All this relay shall be selected to suitable for operating with 110V AC supply.

Output Relay: 1. These relay shall be used for powering indication

lamps in the hazardous location. 2. This relay shall be located in safe area (inside the

panel) only.Make: M/s P&F 3. All this relay shall be selected to suitable for

operating with 110V AC supply. Interlock: 1. All the output commands from control unit shall be

directly given to the digital input of this relay. 2. All the interlock wiring (if required) as per the logic

need to be carried out in this relay itself. 3. No relay board shall be used for creating any

interlock inside the panel. Make: P&F only (both input and output relays)

5.25 Panels

5.25.1

Individual panel (without patrician between panel) to be planned towards effective utilization of panel AC. Make: M/s Rittal/ M/s President (both panel and AC) Protective Panel (1 No.), Hoist Panel (2 Nos.), CT Panel (1 No.), LT Panel (1 No.), Control Panel (1 No.), Control & Lighting Transformer Panel (1 No.) & DBR Panel (As reqd.)

5.25.2 Protective panel shall be provided with mushroom head emergency switch to disable power supply during maintenance


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5.25.3 Design & Construction

Enclosure – Indoor, Floor mounting, Front operated free standing Frame, Mounting plates, Doors & Covers – 2.0 mm Thickness CRCA Lifting arrangements - Suitable Lifting Arrangement shall be provided for each panel on the Top on all four sides Base frame – ISMC 100 x 50 with Matt black Glass door – will be provided in the overall control panel (where control unit, communicating systems, IS barriers, contactors, etc is arranged) Degree of protection – IP 54. Shrouding – As per standard (to be provided inside the panel, in front of power components and power terminals). Cable entry (power and control) – bottom. The panels to be provided with panel A/C along with water drain hose of sufficient length (min. 2 mtrs) The panels need to be provided with panel lamps (LED) along with door limit switches All the panels are to be maintained the uniform height and width. Height of the panel not less than 2000 mm excluding the base frame of 100 mm. Overall height of the panel not less than 2100 mm. All the panel line up to be taken care like a bureau opening type. Enamel Danger plates shall be provided on the Panel inscribed in Hindi, Telugu and English languages as directed by department. Drawing pocket needs to be considered. Comfort handles with key to be considered.

5.25.4 Painting 1. Paint shade – RAL 7032 / 7035. 2. Base frame – Matt black. 3. Mounting plate – Orange.

5.25.5 Wiring

1. Power circuit – Minimum size: 4 Sq.mm. 2. Control circuit – Minimum size: 2.5 Sq.mm. 3. Signal wire (for Control Unit and Encoder

module) - Maximum size: 0.5 Sq.mm.

5.25.6 Indication Lamps

1. It shall be of cluster LED provided with translucent lamp covers

2. Cluster LED module shall be suitable for direct operation on 230 V / 110 V, 50 Hz AC or 24 V DC.

3. Panel shall have the 3-phase indication lamps in the metering cubicle controlled by 3-pole MCB.

5.25.7 Name Plate 1. Material – Transparent acrylic. 2. Colour of letter – white letter in black

background.

5.25.8 Earth bus bar

1. Size – Minimum '30 X 10 Cu' with nuts, bolts & washers at each end is to be provided per panel

2. Necessary earth strip need to be supplied for the following

a. To link panel to rail at the gantry girder. b. To link rail and all the electrical elements on the

EOT Cranes. c. To link the panel to the earth strip.


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5.25.9 Terminal blocks

1. Terminal blocks shall be of 750 Volts grade of

the stud type and shrouded.

2. Insulating barriers shall be provided between

adjacent terminals.

3. All the terminal blocks are grouped with respect

to the following:

a. 24 V Power distribution (separately for positive

and negative).

b. 110 V Power distribution (separately for phase

and neutral).

c. 230 V Power distribution (separately for phase

and neutral).

d. 415 V Power distribution if any

e. Motor and brake power distribution

4. Short linked Terminal blocks are to be used for

terminal multiplication. More than one wires

need to be avoided in one terminal block.

5. All future interlocks to be provided with

permanent shorting link.

6. Interlocking between the panels is to be routed

through respective panel terminal blocks only.

Direct wiring between the components of two

different panels to be avoided.

7. Power & Control circuit –Ring type end

termination of suitable size

8. All the terminals needs to be provided with group

markers

9. 25% Spare Terminals Shall be provided for both

Power and Control in each Panel

10. Make: Connectwell / Wago / Elmex

5.25.10 Multifunction meter

1. Panel shall be provided with Multifunction meter

2. Along with Add-on DI / DO modules

3. Communication: PROFINET modules

4. Make: M/s SIEMENS; Model: PAC 4200

5.25.11 SMPS (If required)

1. 24 V DC power supply to be provided (2 Nos.)

2. Shall be used as common supply to all the

motion including protective panel.

3. ORingdiode needs to be supplied.

4. The DC power supply failure shall be noticed via.

Digital inputs.

5. If either the SMPS or ORing diode fails a 24 V DC

missing indication lamp need to be provided.

6. Qty: 2 Nos.

5.25.12 Panel Space Heater

1. Panel Space heater is to be mounted in such a

way that, Power & Control Cables must not run

in close vicinity of it.

2. All the Panels shall be provided with space

heaters to avoid moisture condensation.

3. Necessary thermostat need to be supplied along

with the space heaters.

4. ON / OFF Control of space heaters shall be

interlocked with main contactor. i.e., whenever

main contactor is in OFF condition, power shall

be available at space heater terminals.


SDSC SHAR

5.25.13 Rubber mats

1. Rubber mats to be supplied and provided in-front

of all the panels as per the designed length of

panels including Transformer and DBR panels.

2. The length to be supplied is 30 mtrs.

3. Class ‘A’, 3.3 kV ac (rms), 2.0mm ± 10%

thickness as per IS 15652/2006

4. Width: 1 mtrs. (maximum)

5.25.14 Layout details

1. The bottom most row of equipment mounted

inside the panel excepting terminal strip shall be

at least 350mm above the panel bottom cover to

facilitate inspection and repairs

2. Selector switches, indication lamps and operator

panel needs to be provided on the panel door

3. Routing of Signal & Power/Control cables is to be

done separately wherever possible

4. All Communication cables shall be routed

through wire channel

5. Shield of all Signal Cables is to be properly

clamped to Body of the Device/structure.

5.26 INTERLOCKS scheme

5.26.1 At Pendant level

1. Pendant level:

a. Hard wired interlocks are to be provided at

push button station.

b. For example when Main Hoist UP motion push

button is pressed Hoist Creep/Hoist Down

(Main and Creep) motions should not be

activated even if pressed and Vice versa.

2. Auxiliary Contactor level:

a. Hard wired interlocks are to be provided at

push button station.

b. When Aux. contactor operates with respect to

the motion selected, remaining Aux. contactors

with respect to other motions should not be

operated. Aux. contactor shall be operated only

when main power contactor is in ON condition.

3. In VVVF Drive Logic control:

a. It is to be programmed such a way only one

motion has to be selected for operation at a time

in the VVVF drive.

5.26.2 ON Interlock for Hoist motion

1. Rotary limit switches i.e hoist and lower, Gravity limit switch.

2. Thruster Brakes' MPCB condition. 3. Brake Close limit switch condition. 4. Provision shall be made for two extra interlocks

for future usage.

5.26.3 ON Interlock for Cross Travel motion

1. Right and Left limit switches for respective motion of the drive.


for future usage.


SDSC SHAR

5.26.4 ON Interlock for Long Travel motion

1. Forward / Reverse limit switches for respective motion of the drive.


for future usage.

6.0 PAINTING OF CRANES(DFT shall be measured at the time of

final inspection)

6.1 Surface Cleaning

The entire surface of fabricated materials, girders,

frames, platforms, trolley, end carriage, wheels etc.,

are to be sand/ grit/ abrasive blasted to white metal

finish (SA 2½ quality) and cleaned properly off rust,

grease, & dirt.

6.2

Painting with

Epoxy Primer

(Total thickness

of 80 microns)

Two coat of epoxy primer (Apcodur CP 680 of M/s

Asian Paints or equivalent) shall be applied to a

Dry Film Thickness (DFT) of 80 microns.

6.3

Painting Epoxy Paint

( Total thickness

120 microns)

Two coats of epoxy paint Golden Yellow colour

(Apcodur CF 693 of M/s Asian Paints or equivalent)

shall be applied to a Dry Film Thickness (DFT) of

80 micron and 40 micron for first and second coats

with proper drying in between coats. Final

touching shall be done after erection &

commissioning at site. Painting quality shall ensure

aesthetic looking of cranes.

6.4

Total Paint Thickness

Including Primer

Not less than 200 microns, This will be tested during

final inspection at supplier works/ at the time of

dispatch. Necessary paint thickness measuring

instrument shall be provided by supplier at the time of

inspection.

7.0

DESIGN APPROVALS : DRAWINGS /DOCUMENTS TO BE

SUBMITTED AFTER PLACEMENT OF ORDER

1. Supplier shall submit following list of drawings/calculations/

documents for approval before manufacture of cranes within

one month after placement of purchase order. (7.1to7.16)

2. It is the responsibility of the supplier to get the drawings/

documents approved from TPIA/Purchaser.

3. Design of load bearing structures shall be as per IS:807 and

drive mechanisms as per IS:3177 and also as per technical

specifications in to consideration.

4. All the load bearing structure & drive mechanisms shall be

designed by taking dead loads, operational loads, transportation

loads, erection loads, loads due to sudden actuation of brakes

and acceptance testing loads.

5. All the drawings and calculations, and data sheets, and

flameproof approvals shall be submitted as a whole set, at a

time, within one month from Order date for verification &

approvals.

6. Three sets of following drawings/calculations shall be submitted

in HARD COPIES to Department/Purchaser (ISRO) for

review.

7. At the same time, Supplier shall be responsible for proper

submission of following drawings & calculations along with

technical specifications to Third party inspection agency and get

Design Approvals from them.

7.1 General Arrangement (GA) drawing of cranes to scale with dimensions,

Bill of materials & makes.


SDSC SHAR

7.2 GA Assembly Drawing of Trolley with all components.

7.3 GA Drawing of individual drive mechanisms for Hoist, CT and LT.

7.4 Constructional Drawings of Girder, end carriage, and trolley their connections

7.5 Sub-assembly drawings for rope drum assembly, wheel assemblies, hook blocks, pulley system etc.,

7.6 GA drawings, details and selection criteria, power & torque calculations for gear boxes with manufacturer data sheets

7.7 Calculations for selection of Machine elements like wire rope, rope drum, couplings, wire ropes, pulleys etc.,

7.8 Calculation for bridge girder with deflection & camber, trolley frame, end carriage, with weight breakup and wheel loads.

7.9 Calculations for selection of wheels, bearings and Calculations for selection of CT & LT rails.

7.10 Calculations for drive shafts and Plummer block bearings.

7.11 Calculations for Selection & sizing of bearings for EOT cranes.

7.12 Selection of keys, key ways couplings.

7.13 Selection of sheaves and sheave pin with calculations.

7.14 Bridge Girder CT rail arrangement drawing to scale with BOM.

7.15 LT rail arrangement (on Gantry Girders) drawing to scale with Bill of Materials (BOM).

7.16

Calculation for selection of motors, brakes etc., along with manufacturer datasheets & Exproof certificates (wherever applicable), etc. For Motors necessary torque and speed curves, efficiency and power factor with respect to loading of the motor, speed and time with respect to current and complete G.A of motor, terminal box / boxes by mentioning the approved drawing reference and nos. shall be submitted for approval

7.17 Calculation for selection of motors and brakes with manufacturer motor /brake datasheets & Exproof certificates.

7.18 Electrical/electronic circuit diagrams for total cranes containing details of components with rating, make, type and settings

7.19 GA drawing of electrical, VVVF panels, Pendant, DBR Panels and layout of components within the panels. Heat losses / load calculation inside the drive panels.

7.20 Flameproof approval certificates for motors, all electrical components and brake thrusters.

7.21 Selection criteria/calculations for VVVF drives, DBRs and related

components. Heat loss calculation towards panel AC selection.

7.22 Sizing calculations for Control Transformer (with considering closed VA),

Lighting Transformer, SMPS with and without loading.

7.23 Selection of Cable sizes selection and ratings.

7.24 Drawings for Mounting and panels layout in the panel room with cable routing layout.

7.25 Drawing of Cable route from panel room to cranes equipment with location of junction boxes & cable trays with support lugs on cranes

7.26 Earthing layout of all the equipments connected in the EOT Cranes to be submitted for approval.

7.27 Necessary under / over current devices to be planned for tripping the lubrication pump.


SDSC SHAR

7.28

TEST REPORTS shall be submitted for flame proof electrical fittings /

equipment (along with approved drawings (Either by CIMFR / ERTL (E))

with respect to all the annexure and amendments need to be submitted

for review and acceptance of all FLP items.

7.29

TEST REPORTS shall be submitted for Space heaters and its

thermostat, Transformers, Dynamic Braking Resistors, VVVF Drives and

its components.

7.30

TECHNICAL DATASHEETS shall be submitted for Motors, Brakes, VVVF Drives, Switchgear components, Power and Control Cables, Encoders, Cable Drag chain and its cables, Limit switches, Intrinsic safe relays and panels.

7.31 Quality Assurance Plan (QAP) for total cranes manufacture, erection & testing as given in Annexure - 3.

Supplier shall submit following along with supply of EOT Cranes: List of

Manuals/ drawings/ documents/ certificates to be submitted at the

time of inspection of cranes at supplier's works and at the time of

commissioning at ISRO,SHAR (clause 8.1 to 8.10)

8.1

QAP/Inspection report document showing Third party design approvals,

manufacturer test certificates., all stage & final inspection reports, load

test reports as per QAP and TPIA report on final inspection at works

&clearance report.

8.2

Test certificates of all items like raw materials, hooks, wire ropes,

motors etc and for all cranes parts certified by "Competent person of

third party agency" as per QAP & standards.

8.3 4 sets of Cranes operation & maintenance manuals

8.4 2Nos. of spare parts manuals.

8.5 4sets of as built Drawings of all systems of cranes as mentioned

above approval drawings.

8.6 Manufacturer maintenance manuals, test certificates and Warranty/

Guarantee Cards for all Bought-Out-Items.

8.7 Trouble Shooting Chart for Main and all Sub-Systems.

8.8 VVVF drive drives manuals soft copy

8.9 VVVF drive parameters list soft copy

8.10 Final test certificate of EOT cranes from TPIA with inspection report

8.11 Final as built drawings of cranes and machinery, Maintenance & spare part Manuals, test certificates shall be supplied in soft form in the forms of DVDs and Memory stick in the latest software format.

8.12 Final as built drawings of cranes control circuit, cable schedule with length of each cable in mtrs. along with source and destination, shall be supplied in hard form.

9 Tolerances: Supplier shall ensure that the cranes shall be

manufactured as per the tolerances specified below.

9.1 Span over LT wheels

+4mm maximum

9.2 Diagonal on wheels

±5mm maximum

9.3 Parallelism of

Girders <1/1000 of wheel gauge (measured at every 1m interval)

9.4 Verticality of Girders

<2mm (measured at every 1m interval)


SDSC SHAR

9.5 Verticality of End

Carriages <1mm (measured at every 1m interval)

9.6 Trolley wheel gauge

± 2mm (measured at every1m interval)

9.7

Difference in

height between

trolley rails

<1/1000 of wheel gauge maximum at 1m

interval

9.8 CT Rail alignment

w.r.t Girder centre ±1 mm(measured at every 1m interval)

9.9

Tilt of wheels(both

horizontal &

vertical)

<D/1000mm where D=diameter Of wheels

9.10

CT/LT wheel

displacement <2mm (measured at all wheels) Wheel alignment

9.11

Squareness

of Girders

to End

carriages

Within 1.60mm(for wheel base of~4000mm)

9.12 Travelling speed +10% -5% of specified speed.

9.13 Hoisting speed +10% -5% of specified speed.

9.14 Lowering speed +20% -5% of specified speed

10. INSPECTION & TESTING DURING MANUFACTURE OF CRANES

10.1

DESIGN/

DRAWINGS

APPROVALS&

CERTIFICATE

from TPIA

before cranes

manufacture.

Supplier shall obtain APPROVALS for all design

calculations & drawings from third party inspector

(TPIA) and/or ISRO before starting cranes's

production. Cranes & components shall be

manufactured & inspected as per the approved

drawings only. All inspection/test repots shall be

made with respect to approved drawing with ref. no.

10.2 QAP & Third

party agency

INSPECTION and testing shall be carried out as per

QAP enclosed here with in Annexure – 3. Supplier

shall hold the manufacturing at specified "HOLD

(H)" places and call for inspection. The Schedule of

Inspections shall be strictly adhered to and shall be

witnessed by THRID PARTY and/or ISRO. All the

critical inspections and load testing shall be done in

the presence of TPIA and /or ISRO.

10.3

Raw materials

identification &

stamping

Raw material identification for structures, wheels,

hoist members, Gears, load pins etc., shall be done

by Third party inspectorate and/or department. Raw

material test certificates, traceability of materials

with identification marks shall be made

available during identification and during

inspection of cranes.

10.4 All load bearing members shall be provided with heat no. & lot no along

with TPIA stamping on them which shall be visible after fabrication also.

10.5

Welding

inspection &

Testing

All Butt Welded Joints (both compression & tension

flanges / web joints) shall be subjected to 100% X-

Ray Testing and X-Ray Films to be produced for

TPIA and/or ISRO/SHAR for evaluation and shall

form part of the quality documentation.


SDSC SHAR

10.6

Inspection

major parts and

records

Inspection of Bridges, End–Carriages, trolley, rails

gauge, Wheels and Measurement of Camber,

mechanical assemblies checking as per QAP.

10.6.1

Inspection of Electrical motors & other electrical parts

Test certificate with approvals shall be provided for all motors such they are suitable for inverter duty, flame proof. Test certificate for thermisters heating/tripping temperature shall be provided. Test certificate for all other electrical components shall be provided as per QAP. ,

10.7

Dimensional

inspection&

alignment checking

& records

Inspection of Span & Diagonal Dimensions (10Kg pull should be applied while checking), Checking bridge & end carriages' squareness, Checking of Wheel Alignments, Mechanical drive Assemblies alignment and Pulley blocks alignment.

10.8 Record of inspection

All the inspections made shall be made with

drawing representation like span, diagonal, wheel

straightness, rail alignment, with dimensions &

tolerances mentioned.

10.9 The cranes hook should be tested and certified by the dock labor board / govt. Approved test house for twice its SWL and test certificate should be provided.

10.10

Load tests

No load test, Dynamic tests at Rated Load and

Deflection measurement as per as per QAP and as

per IS 3177

10.11

Testing of Cranes at OVER-LOAD (125%SWL) capability Check and Permanent Set Measurement. All motions of the cranes shall be tested with 25% overload in which case the specified speeds need not be attained but the cranes shall show itself capable of dealing with the over load without difficulty.

10.12

Clearance

for

dispatch

The equipment shall be dispatched only after

satisfactory testing/inspection at supplier's works

and on written clearance from ISRO/SHAR.

11 ERECTION & COMMISSIONING OF EOT CRANES

11.1 Erection, testing and commissioning at ISRO-SHAR works is in the part of supplier's scope as per QAP.

11.2

Initial unloading of EOT cranes parts shall be done by supplier’s manpower & supervision. Equipment support with available equipments like Mobile cranes / Forklift / Hydra etc., will be spared for unloading of cranes parts by department at free of cost based on

11.3

If the cranes components are unloaded outside/any other facility of SHAR, the same will be transported to the site of erection by the departments equipment at free of cost. However work shall be carried out by supplier with their manpower & supervision.

11.2 Erection Supervision

Supplier shall depute required qualified personnel along with Engineers/ supervisor and qualified team for carrying out quality erection work at our site.


SDSC SHAR

11.3

Material required during erection (lifting equipment like winch, lifting tackles, etc inside the facility).

Lifting machinery, tools and accessories are in the scope of supplier. All lifting machinery, tools and tackles of standard make only shall be used during erection inside the facility. Test certificate for all the lifting/handling equipments shall be submitted to the SHAR before handling. If required by supplier department can provide erection hooks on the roof in the facility for lifting of cranes components. However capacity & location of hooks shall be given by manufacture during detail engineering.

11.4 Initial lubricants and commissioning spares

Initial filling of lubricants/grease and spare parts required for commissioning at site shall be provided by the supplier.

11.5

Performance Proving & Smooth running of EOT cranes at purchaser site.

No Load test, Full load test and overload test (for

125%SWL) shall be done as per QAP and as per

IS3177. Proving out for the Cranes’s Capacity and

Smooth Functioning of the Cranes at Full load

(SWL) and Overload (125%SWL) shall be the

responsibility of the supplier.

11.6 Test/Clearance certificates for cranes

Part of supplier's scope. To be inspected and

certified by "Competent Person of Third party

Inspection Agency " as per Industrial Laws and

shall provide Certification from Third Party

Inspection Agency for final clearance & regular

usage of EOT cranes .

12 General TERMS & CONDITIONS during supply and installation:

12.1

In the design of Cranes, all Indian standards, all safety regulations as

applicable under provision of factory Act, Indian Electricity rules etc. as

prevailing in the country/State of Andhra Pradesh (site of installation)

shall be taken into consideration.

12.2

Arrangements shall be made by the supplier for the inspection and

testing of the cranes during different stages of its manufacture starting

from the raw material still the completion of the cranes by the

SDSC,SHAR and/or Third Party Agency at the suppliers site as per the

QAP schedule.

12.3

Assembly at site is to be kept as minimum as possible to enable early

commissioning of the cranes. Welding at site is to be avoided as far as

possible.

12.4

Any modifications carried out during erection like welding, gas cutting

etc., the same shall be finished properly by cleaning, application of

primer and painting as per standard mentioned above in these

specifications.

12.5 Supplier should satisfy himself about the site condition before hand to

avoid any difficulty during erection and commissioning of the cranes

12.6

Supplier shall submit complete erection plan with details of erection

loads & pattern of wheel loads that will act on building civil structure,

erection procedure, material handling procedure etc.

12.7

During the erection, testing and commissioning of the cranes at site in

Sriharikota, the supplier has to make his own arrangements for

boarding, lodging, transportation of his men and materials. However,

hostel accommodation may be provided by the purchaser on chargeable

basis, if available.

12.8 Free electricity and water will be provided by the purchaser for the

erection, testing and commissioning of the cranes at the site.


SDSC SHAR

12.9

Before starting the site work, the contractor shall provide insurance to

cranes parts and to all his personnel working at site in Sriharikota

against accidents/ or loss of material.

12.10

A toolbox containing all necessary tools as given in Page no. 31 are

required for the maintenance of the cranes should be from part of supply

along with the Cranes.

12.11

The transfer of title of Cranes to the purchaser/ISRO will take place only

after satisfactory erection, testing and commissioning of the cranes by

the supplier and fully acceptance by the purchaser/ISRO.

12.12

Guarantee period shall be for a period of 12 Calendar months,

commencing from the date of acceptance & taken over by the purchaser

at our site. During this period any defect noticed on design, materials,

workmanship shall be replaced/rectified by the supplier at free of any

cost.

12.13

Delivery Schedule :

12 months from the date of Purchase order.

Commissioning of EOT cranes :

For each crane 2 months from the date supply / clearance of site

readiness.

12.14

All commercial terms are mentioned in the annexure 4 of this booklet

and additional commercial terms attached by the purchase department

shall also be considered by the bidder during submission of bid.

Date : Signature of the competent Authority of Bidder with seal

Name of the company :

Address of the company :

Name of the contact person :

Contact no/ Phone / Mobile :

Fax No :

Email id :


SDSC SHAR

List of Tools to be supplied along with the cranes (Ref : 12.10)

All tools shall be of standard make like M/s Snap-On/ Gedore/ AM tools/ FACOM

Sl. No. Description of Item Units Required Qty

1 Double end Spanners from 10-11 to 36-41 (set of 13nos.) Set 01

2 Ring Spanners from 10-11 to 36-41 (set of 13nos.) Set 01

3 Heavy duty socket spanner set with T-handle, Ratchet and Extension rod with ¾” drive or 1” drive from 20mm to 55mm. (1 set – 10 nos.)

Set 01

4 Heavy duty single end spanners of size 55 Nos. 01

5 Screw driver set

a) Flat – 300mm long b) Star – 300mm long

No No

01 01

6 Adjustable spanner of 12” or 300mm length No 01

7 Cutting plier ( Size ~10” length) No 01

8 Locking / Grip plier ( Size ~10” length) No 01

9 Circlip plier

a) External Circlip plier ( Size ~10”) b) Internal Circlip plier ( Size ~ 8”)

No No

02 02

12 Calibrated steel tape of 30m length of reputed make Nos. 02

13 Suitable hydraulic jack capacity 20t., Make: VANKOS/ Holmatro : Nos. 02

10 Special tool driver kit suitable for SIEMENS Drives Nos. 01

11 Nut driver kit suitable for selected terminal blocks inside the panel Nos. 01


SDSC SHAR

Annexure

LIST OF MANUFACTURERS / SPECIFIC BRANDS FOR BOUGHTOUT ITEMS

FOR FLAME PROOF EOT CRANES

1 Gear boxes : Elecon / Shanti Gears / Premium-GREAVE / Flender-Siemens/ only.

2 Wire ropes (All galvanised) : Usha Martin/ CASAR Germany/ BRIDON USA

3 Structural Steel Materials Plates, rolled sections

: All the structural raw materials (plates, angles, beams) shall be NEW and of reputed make of M/s SAIL / M/s JINDAL/ M/s ESSAR/ M/s TATA STEEL / VIZAG-RINL

4 Forged steel materials wheels, shafts, keys, gears

: SAIL / JINDAL / TATA STEEL / ESSAR / VIZAG-RINL / TIMKEN / Mahindra Ugine Steel (MUSCO) / BHARTH FORGE/ VIKRANTH FORGING/ KALYANI FORGING

5 Bearings : SKF, FAG, TIMKEN, INA

6 Hooks : Hercules/ IRZAR- FORJAS/ CROSBY / Shilpa Udyog/ STEEL FORGINGS

7 Couplings : FENNER

: Drum/Barrel coupling – M/s. Malmedie, Germany / M/s JAURE, Spain

8 Rails : SAIL / IISCO / JINDAL / ARCCELOR / TATA STEEL / ESSAR

9 Flame proof Panels, Light fittings, Glands, Junction Boxes etc.,

: Baliga/FCG/FEPL

10 Power & control cables : IGUS / LAPP make for cables used in cable drag chain system. Incab/ cable corpn of India, Universal/ Asian/ Finolex/ Polycab/ Lapp RPG/ HAVELLS – Pendent/ fixed power & control cables.

11 Flame proof electric motors : Kirloskar, Crompton Greaves, Bharat Bijilee , Alstom.

12 Thrusters brakes for hoist : M/S WittonKramer, M/S Pintch Bubenzer, M/S SIBRE, M/s GALVI

13 Thrusters brakes for CT & LT : M/S Electromag methods (EMM)/Kateel/Sterling Control

14 Power supply unit , Switch gears : M/S SIEMENS only

15 Limit switches : Speed-o-Control, Electromag, Sterling control

16 Contactors, Over load Relays : M/S SIEMENS only

17 Intrinsic Safe relays : P & F

18 VVVF Drive : Siemens/ABB

19 Cable chain drag system : M/S IGUS/LAPP

20 Electrical Drive Panel& Non FLP JBs

: M/S Rittal /Siemens

21 Encoder : P&F, Hengstler, Hubner, Kubler, Schnider. Hollow shaft encoder shall be planned.

22 LT Power & Control Cables : M/s. Lapp / Universal / CCI / Finolex / RPG / Uniflex.

23 Terminal Blocks : M/s. Elmex / M/s. Connectwell / M/s. Wago

24 Pushbutton switches : M/s Siemens

25 UB lights : M/s Baliga

26 Paints : Berger, Asian paints, Jenson & Nicholson, Nerolac, Dulex, Poly coat


SDSC SHAR

CODES AND STANDARDS FOR FLAMEPROOF EOT CRANES

The design, manufacture and testing of the cranes shall conform to the latest editions of the following codes and standards wherever applicable:

IS:807 Code of Practice for Design, Manufacture, Erection and Testing (Structural Portion) of Cranes and Hoists.

IS:3177 Code of Practice for Design of Overhead Traveling Cranes and Gantry Cranes other than Steel Works Cranes.

IS:2062 Steel for general structural purpose.

ANSI/AWS D14.1 Code of welding practice for Industrial cranes, Mill cranes and other material handling equipment

IS:800 Code of practice for use of structural steel in general building construction. IS:3681 Gears tooth form and modules.

IS 7403 : 1974 Code of Practice for Selection of Standard Worm and Helical Gear Boxes

IS 4460 : Parts 1 to 3 : 1995

Gears - Spur and Helical Gears - Calculation of Load Capacity

IS:1835 Steel Wires for Ropes

IS:6594 Technical supply conditions for steel wire ropes and strands.

IS:2266 Steel Wire Ropes for General Engineering Purposes.

IS:2363 Glossary of terms relating to wire ropes.

IS:3973 Selection, installation, maintenance and technical supply conditions of wire ropes.

IS:3443 Cranes Rail Sections

IS:5749 Forged Ramshorn Hooks

IS 3815/ IS 15560 Specification for point hooks with shank for general engineering purposes

IS:816 Code of Practice for Use of Metal Arc Welding for general Construction in Mild Steel.

IS:823 Code of Practice for Use of Metal Arc Welding of Mild Steel.

IS:1181 Qualifying Tests for Metal Arc Welders (Engaged in Welding Structures other than pipes).

IS:1323 Code of Practice for Oxy-Acetylene Welding for Structural Work in Mild steel.

IS:325 Three Phase induction Motors.

IS:4029 Guide for Testing Three Phase induction Motor.

ANSI/ASME B30.2 Safety Codes for overhead and Gantry Cranes.

IS:2147 Degrees of protection provided by enclosures for low voltage switch gear and control gear.

IS:5571 Guide for selection of electrical equipment for hazardous areas

IS:5572 Classification of Hazardous Areas (Other than Mines) for electrical installations.

IS 2148 : 1981 Flameproof enclosures for electrical apparatus

IS 2206 : Specification for Flameproof Electric Lighting Fittings

IS 5780 : 1980 Specification for Intrinsically Safe Electrical Apparatus and Circuits.

IS:8239 Classification of maximum surface temperature of electrical equipments for use in explosive atmosphere.

IS:1554 PVC Insulated (Heavy Duty) electric cables.

IS:2208 HRC cartridge fuse links up to 650V.


SDSC SHAR

IS:2959 Contactors for voltage not exceeding 1000V AC or 1200V DC

IS:4064 Air-break switches, Air-break dis-connector, Air-break switch dis-connector and fuse combination for voltages not exceeding 1000V AC. or 1200VDC.

IS:4237 General requirements of switch gears and control gears for voltages not exceeding 1000V AC.

IS 8623 : 1993 / IEC Pub 439-1 : 1985

Specification for Low-Voltage Switchgear and Control gear Assemblies - Part 1 to Part 3

IS 13947 : Part 4 : Sec 1 : 1993 / IEC Pub 947-4-1 : 1990

Specification for Low-Voltage Switchgear and Control gear - Part 1 to Part 5 : Suppliers and Motor-Starters - Section 1 : Electromechanical Contactors and Motor Starters

IS 10118 : 1982 Code of Practice for Selection, Installation and Maintenance of Switchgear and Control gear

Part I : General

Part II : Selection

Part III : Installation

Part IV : Maintenance

IS 1024 : 1999 Use of Welding in Bridges and Structures Subject to Dynamic Loading - Code of Practice

IS: 325 Three Phase induction Motors.

ANSI/AWS D14.1 Structural Welding code : Code of welding practice for Mill cranes and

other material handling equipment.

36

EOT CRANES CLEARANCE DIMENSIONS

(Top running, Double Girder, Flameproof 60t EOT cranes)

Refer Annexure – 1A (Fig) for details

All Dimensions are in metre

Sl.No Facility

Name

Rated

SWL

In

tons

Span

(S) A B C F

E

(Max) G H K N M X Y

01

S200 NDT

facility,

SPP

60t 19.6 4.0m 2.0m 2.5m 0.1m 0.25m 0.15m 12.70m 12m ~ 5m ~ 6m ~2.5m ~2.5m

02

S139 NDT

facility,

SPP

60t 19.1 4.0m 2.0m 2.5m 0.1m 0.25m 0.15m 12.70m 12m ~ 5m ~ 6m ~2.5m ~2.5m

Note :

1. The above dimensions are indicative only. EOT crane supplier shall work out the exact dimensions by keeping the view to minimize

the end hook approaches and head room and shall provide the same in Cranes GA, drawing.

2. EOT Crane span & lift are subjected minor changes which shall be accommodated by supplier during detail engineering.

3. E max : Shall be including the jacking pads.

WAY TO HIGH BAY

VVV

F R

OO

M/

EO

T C

RA

NE

DR

IVE

(AC

)

60T CRANE

PAS

SAG

E

D1

LD1

W1

W1

1700

1730

RC

D

BLO

WE

R D

UC

T (1

M X

1.6

M)

AT

4.8M

HE

IGH

T FR

OM

FFL

6000

5000

5700

2700

9050

2000

* VVVF ROOM LOCATION (S200 BAY)

Annexure - 2A

37

JUNCTION BOX(2m Above FFL)

Cable Routing from VVVF Room(Approx: FFL Level)

HIGH BAY (S200)

WAY TO HIGH BAY

D1

VV

VF R

OO

M/

EO

T CR

AN

ED

RIVE

(AC) W

1

60T CRANE

PA

SS

AGE

SD

3

LD117

30

HIGH BAY (S139)

RC

D

1200

6000

5000

3700

* VVVF ROOM LOCATION (S139 BAY)

Annexure - 2B

38

8600

2000

5650

JUNCTION BOX(2m Above FFL)

Cable Routing from VVVF Room(Approx: FFL Level)

Sche

mat

ic L

ayou

t of

VVV

F R

oom

, Ju

nctio

n Bo

x &

Cab

le R

outin

g to

Top

of

EOT

Cran

e

Elev

atio

n

Mai

nten

ance

cag

efo

r LT

Dra

gcha

in S

yste

m

Supp

ort

for

LT C

able

s dr

ag c

hain

(IG

US)

FFL

60t

EOT

Cran

e

ANN

EXU

RE

- 2C

Junc

tion

Box

(2m

abo

ve F

FL)

Cabl

e Tr

ay R

outin

g to

Top

of t

he C

rane

VVVF

RO

OM

Not

e:

1. C

able

Len

gths

sha

ll be

con

side

red

from

VVV

F Pa

nel R

oom

to

Junc

tion

box

and

Junc

tion

Box

to t

op o

f EO

T Cr

ane

as m

entio

ned

in

the

Spe

cific

atio

ns B

ookl

et

2. A

ll th

e ca

bles

rou

ting

from

pan

el r

oom

to

plug

-in p

enda

nts

and

supp

ly t

o th

e to

p of

the

EO

T cr

ane

mus

t be

don

e th

roug

h th

e pe

rfor

ated

cabl

e tr

ays

with

G.I

. coa

ted.

3. A

ll th

e ca

ble

tray

s sh

all b

e co

vere

d pr

oper

ly w

ith G

.I s

heet

s.

4. T

he c

able

tra

y sh

all h

ave

the

wid

th o

f 300

mm

.

5.Le

ngth

of

all t

he c

able

tra

ys s

hall

mee

t ab

ove

spec

ified

cab

le le

ngth

s.

6.Al

l the

cab

le le

ngth

s m

entio

ned

in t

he S

peci

ficat

ion

Book

let

are

as p

er t

he r

outin

g pr

ovis

ion

prov

ided

as

per

the

site

req

uire

men

t.

39

40

Annexure – 2 D

SCHEMATIC OF PUSH BUTTON OPERATING STATION FOR 60T EOT CRANES

Crane Motion / Requirement Selector

Switch

No. of

push

button

Indication

lamps

Hoist

Main UP

-

1

- Main DOWN 1

Creep UP 1

Creep DOWN 1

Cross Travel

Main Right

-

1

- Main Left 1

Creep Right 1

Creep Left 1

Long Travel

Main Forward

-

1

- Main Reverse 1

Creep Forward 1

Creep Reverse 1

Emergency Stop with Lockable Key - 1 -

Control ON - 1 -

Control OFF - 1 -

Control ON Indication lamp (red) - - 1

Push Button for Bell/ Hooter - 1 -

UB lights 1 - -

Note :

• Pendant hanging from crane (DSL type) with Stainless steel chain. • Pendant enclosure shall be with stainless steel only.

QUALITY ASSURANCE, INSPECTION AND TESTING PLAN FOR EOT CRANES

Annexure - 3

41

Sl.

No

Components/

Operations

Characteristic to

be checked

Category

Type /

Method of

check

Extent

of

check

Ref.

Document

Acceptance

Norm

Format of

record

Agency

Remarks

P

erf

orm

ed

W

itn

ess

ed

Ve

rifi

ed

A B C D E F G H I J K

i)

H Identification of Raw

materials structural

plates, forged steel

material, Alloy steel etc.,

All raw materials shall be offered with test certificates for identification for Crane manufacture

before start of fabrication. Stamping shall be done on plates with heat number & lot number

such that it is visible after crane assembly for verification.

Component Gr.

B Specs./ IS

2062/ IS1570/ BS

970

Stamping on

parts &

Identification

record 1 - -

All materials shall be Identified by

Third

Party Agency / ISRO (HOLD)

1 STRUCTURAL WORKS : BRIDGE GIRDERS, END CARRIAGES, CRAB FRAME, DRIVE BASES & PLATFORMS ETC.

1.1

Materials - Plates/

rolled sections

Chemical composition/

Mechanical Properties Major T.C. Correlation

(with lot no. &

heat no.)

One per

heat Approved

drawings/

Specs./ IS 2062

Approved

drawings / Tech.

Specs./ IS 2062

Material T. C. /

Supplier's Test

Report

3

-

2, 1

Reports / TC review by TPIA / ISRO

1.1.1 Lamination /Internal

defects Major Ultrasonic

Testing 100% ASTM A-435 ASTM A-435 Supplier IR

3

-

2, 1 For a l l plates of thickness > 20mm,

UT qualification ( volumetric test)

1.2 Welding Welding procedure &

Welders qualification. Critical Test piece visual

& physical test. One for

each

position

ASME Sec.IX ASME Sec.IX WPS/ PQR

format

2

-

1

1.2.1

Load Bearing Butt

welds (both tensile and

compression)

a) Welding quality &

Surface defects

Critical Visual & D.P.

Test, MPT

100% IS:3658 &

AWS D14.1 IS:3658 &

AWS D14.1

Supplier’s IR

2

-

1 Visual inspection & Use weld

gauges for measurement of weld

size

b) Sub surface defects

Critical

Radiography

100 %

ASME Sec.VIII

Div I

ASME Sec.VIII Div

I

Supplier’s IR

2

-

1

Review of radiography films by I.A.

Legend 1 Third Party Inspection Agency Place Signature of Crane Vendor

2 Vendor (Crane Supplier) Date: with Designation

3 Sub Vendor / Item Supplier


Annexure - 3

42

Sl.

No

Components/

Operations

Characteristic

to be checked

Category

Type /

Method of

check

Extent

of

check

Ref. Document

Acceptance

Norm

Format of

record

Agency

Remarks

Pe

rfo

rme

d

Wit

ne

sse

d

Ve

rifi

ed

A B C D E F G H I J K 1.2.2 Other than load

Bearing Butt welds &

fillet welds

Surface defects & Size Major Visual & DPT 100%

Visual

check &

DP test

10%

random

IS:3658

IS:3658

Supplier’s IR

2

-

1

Use weld gauges for

measurement of weld size

1.2.3

H Bridge Girder & End

Carriage inspection

before closing the box

Visual, & Welding

Measurement Major Visual &

welding quality Visual

100% / DPT-

random of

10%

Component

drawing AWS

D14.1

Component

drawing/ AWS

D14.1

Supplier’s IR

2

1

- Use weld gauges for

measurement of weld size

(HOLD)

1.2.4 Final Welding

Inspection Visual Inspection Major Inspection of

Welding quality 100% Specification/

AWS D14.1 AWS D14.1 Supplier’s IR

2

-

1 Visual final welding inspection by

TPIA

1.2.5 Final Inspection of

fabricated components

Girders, End carriages,

Trolley, LT drive frame,

etc..,

Dimensional , Camber ,

straightness, level,

Parallelism, verticality,

etc.,

Major Measurement

tolerances as

per

specifications

100% Tech.

Specification/

Component

drawing/IS

807

Tech.

Specification/

Component

drawing/IS 807

Supplier’s IR

2

-

1

Measured Dimensions shall be

marked on component drawing.

Review of reports at next stage by

TPIA. (HOLD)

2.0 ROPE DRUM Fabricated Material composition/

Mechanical Properties

UTS, YS, % elongation

Major T.C. Correlation One per

heat Spec/drawing/

ASTSM A106/

IS 2062

Spec/drawing/

ASTSM A106/

IS 2062

Material T. C. /

Supplier’s Test

Report

3

-

2, 1

Reports / TC / pressure test

reports review by TPIA

2.1 ROPE DRUM joint

Welding Welding Joint quality &

Weldment defects Critical Visual/DP

Test/RT/ UT 100% Component

drawing ASME Sec.VIII

Div I Supplier’s IR

3/2

2

1 Measured Dimensions shall be

marked

on component drawing.

Examination of RT films by TPIA. Stress relieving Major Verification 100% Mfg’s std. Stress relieving

chart Supplier’s IR

3/2

2

1





Annexure - 3

43

Sl.

No

Components/

Operations

Characteristic

to be checked

Category

Type /

Method of

check

Extent

of

check

Ref. Document

Acceptance

Norm

Format of

record

Agency

Remarks

Pe

rfo

rme

d

Wit

ne

sse

d

Ve

rifi

ed

A B C D E F G H I J K 3.0

Gear box Housings

Fabricated

Material composition/

Mechanical Properties

UTS, YS, % elongation

Major T.C. Correlation One per

heat Spec/drawing/

IS 2062 Spec/drawing/

IS 2062 Material T. C.

3,2

-

2, 1

Reports / TC to be

review by TPIA

3.1 Stress relieving Major Verification 100% Mfg's std. Stress relieving

chart Supplier's IR

2

-

1 SR chart will be reviewed by TPIA.

3.2 Surface defects &

dimensional check Major Visual/DP Test/

Measurement DPT 10%

random &

100%

visual

IS:3658/

Component

drawing

IS:3658/AWS

D14.1 Supplier's IR

2

-

1 Measured Dimensions shall be marked

on component drawing

4.0 a) Platform

b) LT Frame

c) Hand Rails

d) chequered Plates

Dimensional

Conformity/

Visual checking /

Mfr’s TC

Minor Measurement 100%

Critical

dimension

s / others

at random

Component

drawing/ Mfr’s

TC/ Industrial

standards

Component

drawing/ Mfr’s

TC/ Industrial

standards

Supplier's IR

2

-

1

Measured dimensions shall be

marked on drawings.

5 MECHANICAL COMPONENTS – GEAR BOXES 5.1 Hoist, CT & LT Input

shafts, Gears , Pinions,

keys, spacers (for all

gearboxes)


Mechanical properties

Hardness value / UT /

MPT/ DPT of materials

Major Correlation with

Mfr’s TC 100% Specification

IS:1570 / BS 970

/ IS:2048

Component

drawing/ IS2048

Specification/

IS:1570 / BS 970

Mfr's TC/

Supplier's IR

2

-

1

1) 100% UT volumetric test for

wrought or forged materials as

per ASTME 114 and A388.

2) 100% DPT or MPT shall be

performed as per ASTM A 275,

E709

5.1.1 Machined components

for Gear boxes like input

shafts, gears, pinions,

keys, spacers etc.,

Dimensional conformity

Hardness of gear teeth/

Bearing s/ Oil seals/ keys

and key ways.

Major Measurement/

Visual

examination for

finishing

100% Component

drawing/

IS4460/

AGMA/DIN

IS:2048

Component

drawing/ IS4460/

AGMA/DIN/ Heat

treatment chart

Supplier's IR

2

-

1

Key ways shall be inspected by TPIA

before assembly of gearboxes.

Measured Dimensions shall be marked

on component drawings.





Annexure - 3

44

Sl.

No

Components/

Operations

Characteristic

to be checked

Category

Type /

Method of

check

Extent

of

check

Ref. Document

Acceptance

Norm

Format of

record

Agency

Remarks

Pe

rfo

rme

d

Wit

ne

sse

d

Ve

rifi

ed

A B C D E F G H I J K 5.1.2

H Gear box Assembly Dimensional

conformity/ Inspection

of machined surfaces

like gearbox base,

bearing mounts etc.,.

Major Measurement/

Visual check of

Internal

painting

100% Gearbox GA

drawing Gearbox GA

Drawing. Supplier's IR

3, 2

-

1


on Gearbox GA drawings with

allowed dimensional variations.

(HOLD)

5.1.3

Gear box assembly

testing (No load run test for

minimum of 4 hours )

Contact ratio of

surfaces/ Backlash/

Noise level & Bearing

temperature/ Breather/

Oil level gauge

Major Measurement &

no load running 100% Gearbox GA

drawing /

IS4460/ AGMA

/ Specification

Gearbox GA

drawing / IS4460/

Specification /

Noise level of

gear box ≤ 75dBA

Supplier's IR

3,2

1

-

No Load Test shall be witnessed

by TPIA. Noise level of gearboxes

shall be ≤ 75dBA. Temperature rise

shall be as per gearbox manufacturer

standard.

5.2 MECHANICAL COMPONENTS – LT AND CT DRIVE SHAFTS

5.2.1 Materials of LT & CT

Shafts, and Keyways &

Keys Material composition/


Hardness of material /

UT / DPT


Mfr’s TC ( if not

test materials)

100% Approved

drawing/ IS2048/

Specification

IS:1570/BS970/

Approved

drawing/ IS2048

Specification/

IS:1570 / BS 970

Mfr's TC/ Test

reports/

Supplier's IR

3, 2

-

1

100% UT of wrought and forged

materials as per ASTM

100% DPT or MPT

5.2.2 Machining of LT & CT

Shafts, and Keyways &

Keys ( Dimensional

measurement)

Straightness &

Dimensional conformity

Checks & Inspection of

Key ways.

Major Dimensional

Measurement/

Visual

examination

100% Approved

drawing/

Specification

IS:1570 /

BS 970/IS2048

Approved

drawing/ IS2048

Specification/

IS:1570 / BS 970

/IS 2048

Supplier's IR

2

-

1

Keys & keyways shall be inspected

by

TPIA before assembly.

5.3 COUPLINGS

a) Materials

b) Torque capacity

c) Key ways

Coupling s Size/


Mechanical properties /

Hardness value / UT /

DPT


Mfr’s TC 100% Approved

drawing/

Specification

IS:1570 / BS 970

Approved

drawing/ IS2048

Specification/

IS:1570 / BS 970

Mfr's TC/

Supplier's IR

3, 2

-

1

Keys & keyways shall be inspected by

TPIA before assembly.

UT of wrought and forged materials

as per ASTM





Annexure - 3

45

Sl.

No

Components/

Operations

Characteristic

to be checked

Category

Type /

Method of

check

Extent

of

check

Ref. Document

Acceptance

Norm

Format of

record

Agency

Remarks

Pe

rfo

rme

d

Wit

ne

sse

d

Ve

rifi

ed

A B C D E F G H I J K 5.4 Plummer blocks &

bases PB & bearing sizes/



dimensional

inspection



drawing/

Specification

Approved

drawing/

Specification/

Mfr's TC/

Supplier's IR

2

-

1

Review of Test certificates by TPIA and

issue Compliance certificate.


on Component drawings with allowed

dimensional variations. 5.5 LT & CT Wheels

5.5.1

a) Material Forged steel

C55Mn75






drawing / Tech.

Specification

IS:1570/BS970

Approved

drawing / Tech.

Specification

IS:1570/BS970

Mfr's TC/ Test

reports/

Supplier's IR

3, 2

-

1



UT of forged blanks Major UT checking 100% ASTM A-388 ASM A-388 Mfr's TC

Supplier's IR

3, 2

-

1 Review of Test certificates by TPIA and


5.5.2 b) Wheels after

machining with Keys &

key ways Dimensional Conformity

for Bore, wheel tread,

taper of flange /

Hardness/depth

Major Measurement 100% Approved

Component

drawing

Approved

Component

drawing

Supplier's IR

2

-

1


on each Component drawings with


5.6 WHEEL AXLES with key

ways & keys Material composition/


Dimensional inspection

UT & DPT /MPT


Mfr’s TC /

Measurement

100% Approved

drawing / Tech.

Specification

IS:1570/BS970

Approved

drawing / Tech.

Specification

IS:1570/BS970

Mfr's TC/ Test

reports/

Supplier's IR

3,2

-

1




5.7 Pulleys with Roller Bearings

5.7.1 a) Material (Forged Steel ) Material composition/



UT & DPT / MPT



drawing / Tech.

Specification

IS:1570/BS970

Approved

drawing / Tech.

Specification

IS:1570/BS970

Mfr's TC/ Test

reports/

Supplier's IR

3, 2

-

1







Annexure - 3

46

Sl.

No

Components/

Operations

Characteristic

to be checked

Category

Type /

Method of

check

Extent

of

check

Ref. Document

Acceptance

Norm

Format of

record

Agency

Remarks

Pe

rfo

rme

d

Wit

ne

sse

d

Ve

rifi

ed

A B C D E F G H I J K 5.7.2 b) Visual Inspection

c) Dimensional Inspection Overall visual inspection

/ All dimensions as per

drawing like bore,

width, groove,

etc.,/hardness of

Major Measurement

with vernier /

Micrometer

100% Component

drawing /

Specification

Component

drawing /

Specification

Noise level of

gear box < 80db

Mfr's TC

3 - 1,2




5.8 Snatch block Cross

head Material composition/


Dimensional

inspection/ 100% UT &

MPT


Mfr’s TC /

Measurement

100% Approved

drawing / Tech.

Specification

IS:1570/BS970

Approved

drawing / Tech.

Specification

IS:1570/BS970

ASTM

Mfr's TC/ Test

reports/

Supplier's IR

UT reports 3,2 - 1




5.9 Snatch block assembly Dimensional Conformity

Bill of materials Major Measurement 100% Approved

Assembly dwg . Assembly

Drawing Supplier's IR

2 - 1 Review of reports by TPIA

5.10

Hook


Mechanical properties/

and 100% UT& DPT /

MPT

Major Correlation

with TC. 100% Component

drawing / IS1875 Component

drawing /IS 1875 Mfr's TC

3 - 2, 1

Proof load test from Govt. approved

test house as per specifications.

Proof Load Test Major Testing 100% IS3815 IS3815 Mfr's TC 3 - 2, 1

Stress relieving Major Verification 100% Component

drawing/ IS3815 Component

drawing /IS3815 Vendor TC

3

-

2,1

5.11

Brake Drums with key

and Key ways


Mechanical properties Major Correlation with

Mfr’s TC / 100% Approved comp.

drawing / Tech.

Specification

IS:1570/IS1030

Approved comp.

drawing / Tech.

Specification

IS:1570/IS1030

Mfr's TC/ Test

reports/

Supplier's IR 3,2

-

1




5.12

Dimensions/ static and

Dynamic balancing/ Key

way and key inspection.

Major Balancing test/

Measurement

with vernier /

micrometer

100% Component

drawing /

Specification

Component

drawing /

Specification

Mfr's TC

3,2 - 1

1. Dynamic balance report shall be

reviewed by TPIA.

2. Measured Dimensions shall be

marked on each Component drawings

with allowed dimensional variations.





Annexure - 3

47

Sl.

No

Components/

Operations

Characteristic

to be checked

Category

Type /

Method of

check

Extent

of

check

Ref. Document

Acceptance

Norm

Format of

record

Agency

Remarks

Pe

rfo

rme

d

Wit

ne

sse

d

Ve

rifi

ed

A B C D E F G H I J K 6 BOUGHT-OUT & Other items

6.1

Wire Rope

Dimensional, Genuine

of make, Lay, core and

stands, Tensile grade

Major Mfr's TC /

measurement 100% Component

drawing/ BOM/

IS 2266

Component

drawing / BOM /

IS 2266

Mfr's TC 3,2

1

- Review of Mfr's TC by TPIA.

Visual examination of wire rope for any

defects by 2 & 1.

Breaking Load test Major Mfr's TC 100% IS2266 IS2266 Mfr's TC 3 - 1

6.2 Bearings Bearing No./ Genuine Major Mfr's TC/

Invoice 100% Approved make

and type SKF/FAG/TIMKEN Mfg TC/

Supplier IR

2

1

-

6.3 Machined Fit Bolts &

Nuts Material composition/

Mechanical properties /

Measure dimensions


Mfr’s TC /

Measurement

100% Approved comp.

drawing / Tech.

Specification /IS

Approved comp.

drawing / Tech.

Specification

IS:1570/IS3640

Mfr's TC/ Test

reports/

Supplier's IR

3,2

-

1




6.4 FASTENERS (Bolts, nuts,

washers, lock nuts) Type / Genuine make

conformity /

measurement Major Mfr's TC/

Invoice 100% Approved make

and type TVS/UNBRAKO Mfg TC/

Supplier IR

2

-

1 Consolidated list of size fasteners

with (strength class and make shall

be submitted)

7 ELECTRICAL EQUIPMENT

7.1 Electrical Control

Panels ( VVVF drive

panels)

Dimensional, Visual

Sequence / Functional

and high voltage Test

Major Electrical test 100% Electrical Circuit

diagram/

Approved

drawing/

Specifications

Approved

drawing/

Specification.

Supplier's IR

3

1

Review of test certificates of all bought

out items by IA

7.2 Motor Visual/ Name Plate Major Name Plate 100% IS 325/ Spec IS 325/spec Mfr's TC 2

-

1

7.2.1 Routine / No load test Major Elec. test 100% IS 325 IS 325 Mfr's TC

3

-

2, 1 Review of TC & Flameproof

certificates by TPIA 7.2.2 Flameproof test cert. Major Gap measure 100% IS2148/ CMRI IS2148/ CMRI Type test cert.

3

-

2,1

make conformity





Annexure - 3

48

Sl.

No

Components/

Operations

Characteristic

to be checked

Category

Type /

Method of

check

Extent

of

check

Ref. Document

Acceptance

Norm

Format of

record

Agency

Remarks

Pe

rfo

rme

d

Wit

ne

sse

d

Ve

rifi

ed

A B C D E F G H I J K 7.3 Brakes and

Thrusters,

Brake Coil

Visual/ Name plate/

Make Torque & Thrust /

Material TC verify / Test

certificate/ Ex proof

certificate

Accessibility of parts.

Major Name plate

details, make

Verification of

TC,

Verification of

Ex-proof TC

100% Approved

Drawing/ Make/

BOM/Spec

Approved

Drawing/ Make/

BOM/Spec/

ATEX- PTB/

IS2148 -CMRI

Mfr's TC/ Type

test cert for

Flameproof /

Supplier IR

3

-

1

Review of TC & Ex-proof certificates

by

TPIA

7.4 Resistance box Megger test, Resistance

value Major Electrical test 100% BOM/ drawing

/ Specifications. BOM/ drawing /

Specifications. Mfr's TC

3

-

1 Review by TPIA.

7.5 Master controller /

Limit switches / Switch

Gear

Sequence, Number

of cams, Idle

operational test

Major Visual 100% BOM/ drawing /

Specifications. BOM/ drawing /

Specifications. Mfr's TC

3

-

1

Review of TC by I.A.

7.6 Cables Routine test Major Test One per BOM/spec. BOM/spec. Mfr's TC 3

-

1

Review of TC by I.A.

8 H ASSEMBLY OF CRANE (Before assembly of EOT crane all parts shall be inspected by TPIA/Purchaser. Supplier shall inform readiness of all parts) (HOLD)

8.1 Bridge Girder &

End carriage

assembly.

Overall Dimension s

Structural Alignment &

LT Wheel alignment.

Span measurement

Diagonal Checks

Major Measurement/

visual

inspection

100% Approved

General

Arrangement

drawing /

Specifications

Approved

General

Arrangement

drawing /

Specifications

Supplier's IR

2

1

-

Measured Dimensions /

alignment values shall be

marked on Assembly

/component drawings with allowed

dimensional variations.

8.2 Crab assembly with Main Hoist & CT machinery

Dimensional & CT

Wheel alignment

Couplings’ alignment

Major Measurement 100% Approved

drawing /

Specifications

Approved

drawing /

Specifications

Supplier's IR

2

1

-

Measured Dimensions /

alignment values shall be

marked on GA

/component drawings with

allowed dimensional variations/

Alignment values. Legend 1 Third Party Inspection Agency Place Signature of Crane Vendor




Annexure - 3

49

Sl.

No

Components/

Operations

Characteristic

to be checked

Category

Type /

Method of

check

Extent

of

check

Ref. Document

Acceptance

Norm

Format of

record

Agency

Remark

s

Pe

rfo

rme

d

Wit

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ed

A B C D E F G H I J K

9 H LOAD TESTING AT WORKS (HOLD)

9.1 NO LOAD TEST

(MH , CT & LT

mechanisms)

NO Load test/

Performance & Safety

systems verification

speed, Current etc.,

Major NO Load test/

Measurement

of parameters

100% Approved dwg /

IS807/ IS 3177

/Specification

Approved dwg /

IS807/ IS 3177

/Specification

Supplier's IR &

Load test

Format

2

1

- Measure Gear Box Noise. (Noise

Level should be <75dBA).

9.2 FULL LOAD (SWL) TEST AT WORKS FOR HOIST & CT MOTIONS

9.2.1 DEFLECTION TEST

With Safe Working Load Deflection Major Measurement

as per approved

procedure.

100% Specifications/

IS807/ IS 3177 Specifications/

IS807/ IS 3177 Supplier's IR &

Load test

Format

2

1

-

Deflection < Span/1000 . Record

procedure of test & measurement

with sketch.

9.2.2 Hoist With Safe Working

Load Performance, duty cycle,

Speeds, Current, , Safety

systems etc.,

Major Full Load test/

Measurement

of parameters

100% Approved dwg /

IS807/ IS 3177

/Specification

Approved dwg /

IS807/ IS 3177

/Specification

Load test

report

/Supplier's IR

2

1

-

Measure Gear Box Noise. (Noise

Level should be <80dBA) .

9.2.3 CT Mechanism With Safe

Working Load Performance, duty cycle,


systems etc.,


Measurement

of parameters

100% Approved dwg /

IS807/ IS 3177

/Specification

Approved dwg /

IS807/ IS 3177

/Specification

Load test

report

/Supplier's IR

2

1

-

Measure Gear Box Noise. (Noise

Level should be <80dBA) .

9.2.4 OVER LOAD (125% SWL)

TEST

(Hoist & CT)

Static test/ Capability of

all motions/ Permanent

set

Major Capability of CT

&Hoist motion/

Measurement

100% Approved dwg /

IS807/ IS 3177

/Specification

Approved dwg /

IS807/ IS 3177

/Specification

Supplier's IR &

Load test

report

2

1

- Record procedure followed for test

& measurement with sketch. After

testing check for any damage,

cracks/paint flaking in load bearing

members. 10 PAINTING

10.1 Sand/ Grit Blasting &

Surface Cleaning Surface Cleanliness/

texture visual inspection Major Visual Random Specification /

SSPC SA2 1/2 Specification /

SSPC SA2 1/2 Supplier's IR

2

-

1 Photographs of finished metal shall

form part of inspection report.

10.2

Primer Coat Painting DFT Thickness/ visual

inspection Major Measurement

in µm / Visual Random Specification /

DFT ≥80µm Specification /

DFT ≥80 µm Supplier's IR

2

-

1 Paint thickness shall be measured

with paint thickness gauge/

elcometer.





Annexure - 3

50

Sl.

No

Components/

Operations

Characteristic

to be checked

Category

Type /

Method of

check

Extent

of

check

Ref. Document

Acceptance

Norm

Format of

record

Agency

Remarks

Pe

rfo

rme

d

Wit

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Ve

rifi

ed

A B C D E F G H I J K 10.3 Epoxy paint Painting

(Two coats of 80 µm &

40 µm)

DFT Thickness/ visual

inspection Major Measurement/

Visual Random Specification /

DFT ≥200 µm Specification /

DFT ≥200 µm Supplier's IR

2

-

1 Paint thickness shall be measured with

paint thickness gauge/ elcometer . Final

DFT measured in presence of TPIA.

11 ERECTION AT SITE

11.1 GANTRY GIRDER RAIL

ALIGNMENT Gantry rail Span, Level,

straightness, rail Joints

and Rail clamp distance.

Major Measurement

of parameters 100% Approved

drawing / IS 807

Specification /

IS3177

Approved

drawing / IS 807

Specification /

IS3177

Supplier's IR

2

-

1

Tolerances:

Rail span : ±5mm; Slope of rail : 1/1000

at 2m interval; Height diff : ±10mm

between LH & RH rails; Rail Gap :2mm;

Straightness of rails: ±5mm

12 LOAD TESTING AFTER ERECTION AT SITE.

12.1 NO LOAD TEST

(MH, CT & LT

mechanisms)

NO Load test/

Performance & Safety

systems verification

speed, Current etc.,

Major NO Load test/

Measurement

of parameters

100% Approved dwg /

IS807/ IS 3177

/Specification

Approved dwg /

IS807/ IS 3177

/Specification

Supplier's IR &

Load test

Format

2

1

- Measure Gear Box Noise. (Noise Level

should be <75dBA).

12.2 DEFLECTION TEST

With Safe Working Load Deflection Major Measurement

as per approved

procedure.


IS807/ IS 3177 Specifications/

IS807/ IS 3177 Supplier's IR &

Load test

Format

2

1

-

Deflection < Span/1000 . Record

procedure of test & measurement with

sketch.

12.3 Main Hoist With Safe

Working

Load Performance, duty cycle,


systems etc.,


Measurement

of parameters

100% Approved dwg /

IS807/ IS 3177

/Specification

Approved dwg /

IS807/ IS 3177

/Specification

Load test

report

/Supplier's IR

2

1

-

Measure Gear Box Noise. (Noise Level

should be <80dBA) .

12.4 CT Mechanism With Safe

Working Load Performance, duty cycle,


systems etc.,


Measurement

of parameters

100% Approved dwg /

IS807/ IS 3177

/Specification

Approved dwg /

IS807/ IS 3177

/Specification

Load test

report

/Supplier's IR

2

1

-

Measure Gear Box Noise. (Noise Level

should be <80dBA) .





Annexure - 3

51

Sl.

No

Components/

Operations

Characteristic

to be checked

Category

Type /

Method of

check

Extent

of

check

Ref. Document

Acceptance

Norm

Format of

record

Agency

Remarks

Pe

rfo

rme

d

Wit

ne

sse

d

Ve

rifi

ed

A B C D E F G H I J K 12.5 LT Mechanism With

Safe Working Load Performance, duty cycle,


systems etc.,


Measurement

of parameters

100% Approved dwg /

IS807/ IS 3177

/Specification

Approved dwg /

IS807/ IS 3177

/Specification

Load test

report

/Supplier's IR

2

1

- Measure Gear Box Noise. (Noise Level

should be <80dBA) .

12.6 Brake Path Test/

Brakes Effectiveness

testing for all motions

Each Brake holding

Brake path / Delay

between two brakes

Major Measurement

of path &

Brake currents


Brake path

≤17mm for Hoist

Specifications/

Brake path

≤17mm for Hoist

Load test

report

/Supplier's IR

2

1

-

12.7 OVER LOAD (125%

SWL)

TEST (MH, CT and

LT motions)

Static test/ Capability of

all motions/ Permanent

set

Major Capability of CT

&Hoist motion/

Measurement

100% Approved dwg /

IS807/ IS 3177

/Specification

Approved dwg /

IS807/ IS 3177

/Specification

Supplier's IR &

Load test

report

2

1

-

Record procedure followed for test &

measurement with sketch. After testing

check for any damage, cracks/paint

flaking in load bearing members.

13.

Final Painting & touch up

Aesthetic look of crane/

DFT measurement

Major

Thickness

measurement

Random

Tech .

Specifications.

Tech .

Specifications.

Supplier's IR

2

1

-

Final DFT measured in presence of

TPIA / ISRO

14

Safety features like limit

switches, overload relays,

buffers, stoppers etc.,

Performance, interlocks

Minor

Performance

100%

Tech .

Specifications./

IS3177

Tech .

Specifications./

IS3177

Supplier’s IR

2

1

-




ANNEXURE – 4

COMMERCIAL TERMS AND CONDITIONS OF THE CONTRACT

Proposals are invited from the interested Bidders for the enclosed scope of work in

Two part bid.

• Part-1 Technical and Unpriced part of the work and

• Part-2 Priced Commercial bid.

1. TECHNICAL SPECIFICATIONS CUM COMPLIANCE STATEMENT

1.1 Overall technical specifications and functional requirements are detailed in

Specifications document. Bidder shall fill all the confirmations, print, sign and

stamp each page of document as token of acceptance & submit scan copy of the

same along with the offer.

1.2 The specifications document shall be completely filled in all respects and submitted

together with requisite information and Annexure. Any offer incomplete in any

particulars is liable to be rejected.

1.3 The tender shall be opened on the date and at the time, specified in the Letter

Inviting Bid. Quotations not received in time shall not be considered.

1.4 Bidder shall set their quotations in firm figures and without deviations or variations

or additions in the terms of the specifications cum compliance document. Proposal

containing qualifying expressions such as "subject to minimum acceptance” or

"subject to prior sale" or any other qualifying expressions or incorporating terms

and conditions at variance with the terms and conditions incorporated in the

quotations are liable to be rejected.

2. PREPARATION OF BIDS

2.1 VALIDITY OF OFFER: Bid shall remain valid for a period of 4 (four) months for

60t cranes (02nos.) from the due date of submission of the Bid. The Bidder shall

not be entitled during the said period to revoke or cancel his Bid or to vary the Bid

except and to the extent required by Purchaser and communicated in writing. Bid

shall be revalidated for extended period as required by Purchaser in writing. In

such cases, unless otherwise specified, it is understood that validity is sought and

provided without varying either the quoted price or any other terms and conditions

of Bid finalized till that time.

2.2 COST OF BIDDING: All direct and indirect costs associated with the preparation

and submission of Bid (including clarification meetings and site visit, if any), shall

be to Bidder's account and the Purchaser will in no case be responsible or liable for

those costs, regardless of the conduct or outcome of the Bid process.

2.3 SCHEDULE OF PRICES:

• Prices quoted should be on the basis of FOR Sriharikota.

• The schedule of prices shall be read in conjunction with all the sections of

proposal document. The prices quoted by the Bidder shall be firm and

fixed till the completion of the work. The price shall be filled in the

price format available in e-procurement portal only.

2.4 DOCUMENTS COMPRISING THE BID

2.4.1 PART – I: TECHNICAL AND UNPRICED COMMERCIAL PART

Technical and un-priced commercial part comprising the following

information shall be uploaded in e-procurement portal.

a. Copy of Bid Qualification Criteria document along with set of documents

& certificates as per bid qualification document duly filled, signed &

stamped on each page of document.

b. Copy of duly filled, signed & stamped on each page of the document

“Technical Specifications cum Compliance Statement”.

c. Copy of Company’s registration certificate.

d. Scan copy of Power of attorney in favour of authorized signatory of the

bid / proposal documents.

e. All annexures of the bid shall be duly filled and signed & stamped on

each page.

f. Clearance diagram for EOT Cranes mentioning overall dimensions and

approaches.

2.4.2 PART – II: PRICE BID

Priced commercial bid shall contain schedule of prices, percentage of

GST and other taxes, if any, shall be filled in ISRO e-procurement portal

only. No deviations to terms and conditions, assumptions, discounts etc.

shall be stipulated in price bid. Purchaser will not take cognizance of any

such statement and may at their discretion reject such bids.

2.5 BID SUBMISSION

2.5.1 Bid shall be submitted in two parts

Part 1: Techno-commercial part of the bid

Part 2: Priced part of the bid

2.5.2 Offer should be submitted online using standard digital signature of

class -3 with encryption/decryption options.

2.5.3 The tenders authorized online on or before the open authorization date

and time will only be considered as valid tenders.

2.5.4 Prices shall be mentioned in the space/column provided in the ISRO

e-procurement portal only.

2.5.5 Prices shall not be uploaded along with technical specifications in any

form. If so, such bids will not be considered.

2.5.6 Prices quoted should be on the basis of FOR Sriharikota.

2.5.7 The Purchaser will not pay separately for transit insurance and same shall

be included in the cost quoted by the Bidder.

2.5.8 All risks in transit shall be exclusively borne the contractor and the

Purchaser shall pay only for such items that are actually received in good

condition in accordance with the purchase order.

2.5.9 Bids duly filled in by the Bidder should be submitted as stipulated in the

e-procurement portal.

2.5.10 Purchaser will open Part – I of the bid on the due date of opening. Price

Bid (Part-II) of the bids which are technically and commercially

acceptable shall be opened at a later date with prior intimation to all

qualified bidders.

2.5.11 Purchaser reserves the right to reject any or all the Bids without assigning

any reasons thereof.

3. MODE OF PAYMENT

All the payments due to Bidder shall be made through RTGS/ NEFT. Bidder

shall submit the banker details and payments can also be made through Electronic

Clearance System (ECS).

4. TERMS OF PAYMENTS

The Payment terms are proposed as follows: As the EOT Cranes are

involved with site erection & commissioning also along with supply.

• Our standard payment terms is 90% of supply value plus taxes applicable including

transportation charges and packing & forwarding within 30 days after receipt,

acceptance of systems and after CLIP inspection at our site

SDSC SHAR on pro-rata basis against supply of each EOT Crane / Hoist.

• And remaining 10% of supply value and 100% erection and commissioning

charges along with taxes as applicable, TPIA charges etc will be paid within 30 days

after successful commissioning and handing over of the EOT Crane and sub systems

at SDSC SHAR on submission of Performance Bank Guarantee (PBG) (Valid upto

warranty period) on pro-rata basis against supply of each EOT Crane / Hoist.

• However advance payment 20% of supply value can be paid against submission of

equivalent bank guarantee.

5. DELIVERY SCHEDULE :

6. Bidder shall follow the following schedule for executing the contract

S.No Mile Stone

Expected date of

completion

60t cranes (02nos.)

1 Purchase order date T - (A)

2 Submission GA drawings, sizing and structural

calculations for approval. T+1month– (B)

3 Supply of EOT all Cranes T+12months-(C)

4 Erection and Commission and Testing for each EOT

Crane

C+2month from the

site clearance

Note: Readiness of the site shall be obtained from the indenter before

commencement of the erection work.

7. PROJECT EXECUTION AND MONITORING

Upon placement of purchase order, bidder shall prepare a detailed programme

schedule for review/approval by Purchaser. Bidder shall identify a project team with

one senior official as a project leader. Bidder shall submit the project status report

every 15 days giving the status of various activities w.r.t. planned schedule for

realization of EOT cranes. Bidder shall depute their Project team/ engineers for

monthly meeting to review the status and discuss/ resolve minor issues related to

project execution at SDSC SHAR/ bidder’s site based on mutual agreement on mutually

agreeable dates.

8. LIQUIDATED DAMAGES AND EARNEST MONEY DEPOSIT

7.1 LIQUIDATED DAMAGES:

In the event of the Bidder failing to complete the work within the delivery

period specified in the contract agreement or any extension agreed thereto, the

Purchaser shall reserve the right to recover from the Bidder as liquidated damages,

a sum of 0.5 percentage per week or part thereof of the undelivered portion of the

total contract price of equipment or work. The Total liquidated damages shall not

exceed 10.0 percentage of the total Contract price.

9. PERFORMANCE BANK GUARANTEE

The bidder shall guarantee for the performance of the contract by providing bank

guarantee in favour of the Purchaser for an amount equivalent to 10 %( ten percent)

of the total value of this contract valid till the warranty period of the contract with a

claim period of 60days. The performance bank guarantee shall be submitted by the

bidder with in fifteen days from the date of accepting the equipment by the Purchaser

as per the CONTRACT. The format for the performance bank guarantee shall be

obtained from Purchaser.

10. CUSTOMS DUTY As per Notification No.5/2018-Customs dated 25.01.2018, S.No: 539(A) ISRO will

provide Customs duty exemption certificate for import items. Accordingly minimum 5%

customs duty and 5% IGST will be applicable on import items. To avail the above, the

bidder shall provide the list of imported items with quantity if any along with technical

bid without indicating prices, as this being a two part bid.

11. PACKING AND FORWARDING

• The Bidder shall arrange to have all the material suitably packed as per the

standards & statutes and as specified in the contract. Unless otherwise provided

for in the contract, all containers (including packing cases, boxes, tins, drums,

and wrappings) used by the Bidder shall be non-returnable.

• All packing and transport charges, transit handling costs, transit risk coverage

and transportation charges of agents employed at the place of delivery or

elsewhere, shall be deemed included in the price to be paid to the Bidder.

12. WARRANTY

The bidder shall provide twelve months warranty for the entire EOT Crane

system from the date of commissioning & fully acceptance of EOT Crane against design

& manufacturing defects, poor quality, poor workman ship, etc. During this period

bidder has to provide and adhere to the following:

• Goods covered by the contract shall be free from defects in design, materials or

workmanship for a period of twelve months from the date of successful

commissioning & acceptance by Purchaser.

• This period shall include maintenance, replacement of defective/ failed parts at

free of cost.

• Bidder has to attend unlimited breakdown calls at free of cost.

13. SAFETY Bidder shall follow the safety regulations / codes or safety instructions issued by

PURCHASER and shall take necessary measures at his own cost.

14. POWER SUPPLY

Electrical power provided by the Purchaser during installation of EOT cranes is NOT

chargeable. Reasonable quality of normal power will be made available at one point

(415V, 3 phase, 50 Hz). However, onward distribution shall be done by the bidder. All

electrical installation by the bidder shall be as per safety regulation & standard and will

be subjected to Purchaser inspection & approval.

15. WORK RULES

Generally, No work shall be carried out during night or public holidays unless a

written permission is obtained from Purchaser.

16. ACCOMMODATION • Very limited accommodation may be provided by Purchaser to senior supervisory

staff of the Bidder on chargeable basis subject to availability.

• Bidder shall make his own arrangement for accommodation & canteen facility for

all its staff, technicians, labour & workers. Transportation shall be arranged by

Bidder at his own expenses for his entire staff till the completion of the project.

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