400A, 60% Duty Cycle – SMAW Part A

Page 1 of 4

PART A

IGBT based Inverter controlled Welding Power Source for SMAW (400 A, 60% duty cycle)

SECTION – I: Qualifying Criteria

The BIDDER has to compulsorily meet the Qualifying criteria indicated in SECTION –I to get qualified. Otherwise the technical offer will not be considered.

S. No. REQUIREMENTS VENDOR’s RESPONSE

1.0 Only BIDDER /VENDOR (OEM) who have a minimum of last TEN Years (as on date of opening of tender) of Continuous Experience in Design, Manufacture & Supply of “IGBT based Inverter controlled Welding Power Sources for SMAW”for Radiographic Quality SMAW applications, are eligible to quote for this tender.Vendor shall indicate the actual no. of years of experience in the field.

2.0 Only those vendors (OEMs) should quote, who have commissioned in the last (5) years, at least200Nos. of the model quoted against this tender of “IGBT based Inverter controlled Welding Power Source for SMAW”with a rating of400A - 60% Duty Cycle

EITHER (i) in at least one country other than the country of origin to establish vendor's (OEM's) global business activity OR (ii) in India. The name and contact addresses of the customers to whom the machines have been supplied has to be furnished with details. Indicate the number of suchwelding machines sold in India.

3.0 Number of “IGBT based Inverter controlled Welding Power Source for SMAW” supplied & commissioned till date.

4.0 Year of Launch of the quoted Model in this tender.

5.0 The quoted model of Welding Power Source shall be complying with atleastone of the Standards as given below:

1. IEC 60974-1:2012 Edition 4.0 2. BS EN 60974-1/2012 3. ANSI/IEC 60974-1: 2008 4. JIS C 9300-1:2006/AMENDMENT 1:2008 5. NEMA EW 9-2012

A document certifying or declaration for complying with the above standards shall be submitted with the technical offerwhich will be subject to verification by BHEL.

400A, 60% Duty Cycle – SMAW Part A

Page 2 of 4

S. No. REQUIREMENTS VENDOR’s RESPONSE

6.0 Vendor to submit TWO Performance certificatessatisfying all the following conditions (as on original date of opening tender) (suggestive format is given as annexure): a) Performance Certificates from any TWO customers for

satisfactory performance of minimum 25 Nos of the quoted model against this tender, from each of the customers, for a minimum period of one year from the date of commissioning (as on original date of opening of tender), supplied in the last five years,EITHER(i) in the country other than the country of origin OR(ii) in India, especially from Heavy Engineering / Fabrication Public/Private sector companies like Utility Boiler Manufacturers, Ship Building, Heavy duty Site fabrication, Large Heat Exchanger & Pressure Vessels manufacturers etc.

b) Performance certificates to be submitted as Original Certificate or through E-mail directly from the customer. The original performance certificate may be returned after verification by BHEL, if required.

c) Full contact details of the customers from whom the performance certificatesare obtained are to be provided.

d) For obtaining the Performance certificate, a suggestive format is provided.

7.0 Indian bidders shall submit Audited financial results for the past three financial years (2010-11, 2011-12, 2012-13) and Foreign bidders shall submit D&B report covering past three financial years. The financial results shall be verified and evaluated to examine the financial health of the company. BHEL reserves the right to accept or reject the OEMs based on the assessment of their financial capability.

8.0 Servicing facility to be available in India. Details on Service-After-Sales Set-Up in India (Address of Agents / Service Centres), to be furnished compulsorily.

9.0 BHEL reserves the right to accept or reject the OEMs based on the assessment of their technical capability. BHEL reserves the right to verify the information provided by the Vendor for the referred machine at their referred customer's works. It shall be the responsibility of the vendor to facilitate the visit of BHEL's team at their referred customer works.The Travel, Board& Lodging expenses for BHEL Personnel shall be borne by BHEL. In case the information provided by vendor is found to be false/ incorrect, the offer shall be rejected.

400A, 60% Duty Cycle – SMAW Part A

Page 3 of 4

SECTION – II The BIDDER / VENDOR is requested to provide the following information:

S. No. REQUIREMENTS VENDOR’s RESPONSE

10.0 Details of Design Set-Up and Technology Back-Up (R & D Centre) available with the OEM.

11.0 Details on Standards followed in Design and Testing of Welding Machines (Copy of English Version of Standards / Design Codes followed shall be furnished with the Technical Offer).

12.0 Details of Quality System followed (Furnish the salient aspects of the Quality Assurance System followed)

13.0 Comprehensive Details, on PerformanceTesting of Welding Machines carried out at the Factory, to be furnished with theTechnical Offer.

14.0 The BIDDER shall give details about supply of similar welding machines to BHEL units if any with Make, Model and Year of Supply& Commissioning etc.

15.0 A complete reference list of Customers shall be furnished (preferably of Heavy Engg. Companies) to whom such offered model has been supplied in the last ten years with PO details, Qty., Year of commissioning with contact details of the customers.

16.0 Any Additional Data to supplement the manufacturing capability of the BIDDER.

SECTION – III The BIDDER to note:

S. No. PARTICULARS VENDOR’sRESPONSE

17.0 The BIDDER shall submit the offer in Two Parts– 1. Technical [with PART A & PART B]& 2. Commercial and Price Bid.

18.0 The VENDOR’sRESPONSE against each clause in PART A & B of the offer should be filled by the BIDDER compulsorily with complete details.

19.0 The BIDDER shall assure a continuous support for Spares and Service for Ten Years, from the date of commissioning of the equipment at BHEL Works.

20.0 The Technical Offer shall be supported by Product Catalogue and Data Sheets in original and complete technical details / literature on the quoted models of Welding Powersources.

21.0 The Commercial Offer (given with the Technical Offer) shall contain the Scope of Supply and the Un-Priced Part of the Price-Bid, for confirmation.

400A, 60% Duty Cycle – SMAW Part A

Page 4 of 4

The performance certificate should be produced on Customer’s Letter Head.

Suggestive Format of Performance Certificate

(On Customer’s letter head)

PERFORMANCE CERTIFICATE

1. Supplier of the machine : 2. Make & Model of the m/c : 3. Month & Year of Commissioning :

4. Quantity :

5. Machine Details

a) Type :

b) Capacity in Amp. :

c) Duty Cycle :

6. Application of the welding power sources:

7. Performance of the Machine : Satisfactory / Good / Average / Not Satisfactory

(Strike off whichever is not applicable) 8. After sales service : Satisfactory / Good / Average / Not Satisfactory

(Strike off whichever is not applicable) 9. Any Other remarks :

Date: Signature & Seal of the Authority Issuing the Performance Certificate

40

0A

, 60

% D

uty

Cy

cle – SM

AW

PA

RT

- B

Te

chn

ical S

pe

cificatio

n - P

AR

T B

IGB

T b

ase

d In

ve

rter co

ntro

lled

We

ldin

g P

ow

er S

ou

rce fo

r SM

AW

(4

00

A, 6

0%

du

ty cy

cle)

S. N

o.

BH

EL

SP

EC

IFIC

AT

ION

O

FF

ER

BY

BID

DE

R

1.0

A

PP

LIC

AT

ION

:

1.1

T

he W

eldin

g Po

wer So

urce is in

tend

ed fo

r Man

ual A

rc Weld

ing P

rocess (SM

AW

) for

pro

du

cing R

adio

graph

ic Qu

ality W

elds lik

e Bu

tt Join

ts, Fillet W

elds, an

d D

ou

ble G

roo

ve W

elds co

min

g in H

igh P

ressure V

essels usin

g dia. 2

.5 m

m to

5.0

mm

electrod

es.

2.0

P

OW

ER

SO

UR

CE

FE

AT

UR

ES

2.1

T

ype

Po

wer so

urce sh

all be IG

BT

based

Inv

erterCo

ntro

lled an

d

capab

le of d

elivering a C

on

stant D

irect Cu

rrent(in

DC

EP

and

D

CE

N m

od

es of w

eldin

g op

eration

s).

2.2

Sw

itchin

g Freq

uen

cy

BID

DE

R h

as to in

dicate th

e Sw

itchin

g Freq

uen

cy of th

e Inv

erter C

ircuit an

d th

e mak

e of IG

BT

used

.

2.3

C

urren

t Ratin

g 4

00

A @

60

% D

uty

Cycle D

C

2.4

O

peratin

g Ran

ge for

Weld

ing C

urren

t 2

0 A

to 4

00

A (w

ith step

less variatio

n C

on

tinu

ou

sly ad

justab

le)

2.5

O

pen

Circu

it Vo

ltage P

referred O

CV

is 70

to 7

5 V

. BID

DE

R to

men

tion

the O

pen

C

ircuit V

oltage fo

r the o

ffered P

ow

er sou

rce

2.6

C

urren

t Settin

g T

he variatio

n in

the set valu

e of th

e weld

ing cu

rrent to

the

actual valu

e shall n

ot exceed

1 %

.

2.7

C

urren

t Co

ntro

l C

urren

t con

trol / regu

lation

shall b

e pro

vided

in th

e Fro

nt

Pan

el of P

ow

er sou

rce and

also in

the R

emo

te Co

ntro

l Un

it by

k

no

b co

ntro

l.

2.8

D

igital Co

ntro

l W

eldin

g po

wer so

urce sh

all have d

igital con

trol/

disp

lay/settin

g features.

Ty

pe o

f digital co

ntro

l shall b

e explain

ed b

y vend

or.

40

0A

, 60

% D

uty

Cy

cle – SM

AW

PA

RT

- B

S. N

o.

BH

EL

SP

EC

IFIC

AT

ION

O

FF

ER

BY

BID

DE

R

2.9

In

pu

t Po

wer Su

pp

ly

3 P

hase A

C 4

15

V ±

10

%, 5

0 H

z ± 2

%, th

rou

gh a 3

Wire Sy

stem

(4th w

ire for E

arthin

g) – N

o N

eutral C

on

du

ctor.

2.1

0

Inp

ut P

ow

er Cab

le 5

metre lo

ng electric in

pu

t po

wer cab

le with

pro

tective sh

eathin

g (for 3

ph

ase with

po

tential earth

) to b

e pro

vided

with

th

e po

wer so

urce.

2.1

1

Co

ntro

l Pan

el Sw

itches

Po

wer O

N/O

FF

, Rem

ote O

N/O

FF

, Vo

ltage & A

mp

ere Co

ntro

l, H

ot S

tart Co

ntro

l, Arc D

ynam

ics Co

ntro

l etc.

2.1

2

Vo

ltmeter &

Am

meter

Facto

ry In

stalled D

igital Am

meter &

Vo

ltmeter o

n th

e fron

t p

anel w

ith easy

remo

val and

replacem

ent (i.e., w

itho

ut liftin

g th

e top

cover o

f the W

eldin

g Po

wer so

urce) fo

r perio

dic

instru

men

t calibratio

n.

If the in

pu

t con

nectio

ns to

the am

meter an

d vo

ltmeter are

taken

from

PC

B, w

ith d

igital reado

ut th

en

a) in

-bu

ilt pro

vision

for erro

r correctio

n sh

all be p

rovid

ed in

th

e weld

ing m

achin

e and

b

) C

alibratio

n k

it for m

easurin

g weld

ing cu

rrent (0

to 6

00

A)

and

Weld

ing vo

ltage (0 to

10

0V

) shall b

e pro

vided

. Th

e m

easurin

g instru

men

t in th

e Calib

ration

kit sh

all be

calibrated

at NA

BL

Accred

ited lab

s. C

alibratio

n certificate h

as to b

e pro

vided

for th

e disp

lay

meters.

Calib

ration

pro

cedu

re: Details o

f Inp

ut So

urce lik

e voltage o

r cu

rrent, F

ull scale read

ing sh

all be fu

rnish

ed alo

ng w

ith th

e o

ffer wh

ich is n

ecessary for calib

ration

. V

end

or sh

all defin

e & D

emo

nstrate S

tep b

y step C

alibratio

n

pro

cedu

re for th

e measu

ring in

strum

ents in

the w

eldin

g m

achin

e at BH

EL

Wo

rks.

40

0A

, 60

% D

uty

Cy

cle – SM

AW

PA

RT

- B

S. N

o.

BH

EL

SP

EC

IFIC

AT

ION

O

FF

ER

BY

BID

DE

R

2.1

3

Arc Strik

e

Selection

for In

stantan

eou

s Arc Strik

e with

Ho

t Start for SM

AW

P

rocess.

2.1

4

Arc D

ynam

ics Co

ntro

l - E

lectron

ic In

du

ctance V

ariable

Co

ntro

l

Arc d

ynam

ics Co

ntro

l shall b

e bu

ilt in th

e mach

ine fo

r m

inim

ising th

e spatter an

d o

ptim

ising w

eld-b

ead w

etting

action

du

ring w

eldin

g of sp

ecial materials lik

e Stainless Steel,

T9

1/P

91

, Inco

nel, in

add

ition

to C

arbo

n an

d L

ow

Allo

y Steels.

2.1

5

Insu

lation

C

lass "H" –

shall b

e pro

vided

to su

it Tro

pical W

ork

ing

Co

nd

ition

s

2.1

6

Mach

ine P

rotectio

n

IP 2

3 –

Degree o

f Pro

tectio

n

2

.17

M

achin

e Co

olin

g T

he P

ow

er sou

rce shall featu

re a forced

air coo

ling system

that

ensu

res adeq

uate co

olin

g of th

e com

po

nen

ts wh

ile prev

entin

g d

ust an

d m

etal particles fro

m b

eing d

rawn

in.

2.1

8

Fu

nctio

nal / E

lemen

tal D

esign P

rotectio

n /

op

erator safety

a) In

bu

ilt pro

tection

for th

e IGB

T/P

ow

er sou

rce against

Th

ermal / O

verload

/ Sh

ort-C

ircuit / S

ingle o

r Tw

o P

hase

Po

wer In

pu

t Co

nd

ition

s. b

) A

ll PC

Bs sh

all be sp

rayed

with

mo

uld

coatin

g to p

reven

t d

amage fro

m d

ust an

d grin

din

g particles.

c) M

achin

e Design

to en

sure p

rop

er earthin

g for th

e mach

ine

and

its perip

herals.

d)

Pro

tection

against electric sh

ock

from

inp

ut su

pp

ly for

ensu

ring o

perato

r safety.

2.1

9

Electro

magn

etic In

terference (E

MI)

Sup

pressio

n

a) P

ow

er sou

rce shall b

e equ

ipp

ed w

ith a su

itable F

ilter N

etwo

rk co

nn

ected to

the in

pu

t Po

wer L

ine, to

prev

ent

pro

pagatio

n o

f EM

I / HF

no

ise either in

to o

r ou

t of th

e P

ow

er sou

rce. b

) A

ll metal en

closu

res and

intern

al shield

s shall p

reven

t rad

iated E

MI.

c) B

IDD

ER

has to

elabo

rate the d

esign featu

res to m

eet the

abo

ve requ

iremen

ts.

40

0A

, 60

% D

uty

Cy

cle – SM

AW

PA

RT

- B

S. N

o.

BH

EL

SP

EC

IFIC

AT

ION

O

FF

ER

BY

BID

DE

R

2.2

0

Po

rtability

U

nd

er-Carriage w

ith h

ard ru

bb

er lined

wh

eels for p

ortab

ility of

the p

ow

er sou

rce by m

anu

al pu

shin

g.

2.2

1

Am

bien

t Co

nd

ition

s T

emp

erature u

p to

+5

0°C

; Hu

mid

ity up

to 9

0%

bu

t bo

th u

pp

er lim

its do

no

t occu

r simu

ltaneo

usly.

2.2

2

Lo

ad C

om

pen

sation

O

utp

ut variatio

n in

terms o

f fluctu

ation

in lin

e voltage, cab

le h

eating o

r drift cau

sed d

ue to

usage o

f 20

m lo

ng w

eldin

g cable,

shall b

e com

pen

sated su

itably.

2.2

3

Electro

de H

old

er &

Retu

rn C

urren

t C

on

nectio

n

Th

e po

wer so

urce sh

ou

ld h

ave preferab

ly Heav

y Du

ty ru

gged

lug ty

pe term

inals to

con

nect W

eldin

g Cab

le (for SM

AW

E

lectrod

e Ho

lder) an

d R

eturn

Cu

rrent C

able.

2.2

4

Weld

ing C

urren

t Cab

le SM

AW

(curren

t) Cab

le with

a min

imu

m cro

ss section

al area of

50

mm

2, 20

m in

length

, with

on

e end

con

nected

to th

e Po

wer

sou

rce and

the free en

d p

rovid

ed w

ith a fem

ale Co

nn

ector to

co

nn

ect to th

e male C

on

necto

r of th

e Man

ual W

eldin

g Electro

de

Ho

lder.

2.2

5

Retu

rn C

urren

t Cab

le

Weld

ing C

urren

t return

cable, 2

0 m

in len

gth, w

ith o

ne en

d

con

nected

to th

e Po

wer so

urce an

d th

e oth

er end

pro

vided

w

ith a Screw

Typ

e Earth

Clam

p.

2.2

6

Po

wer R

ating

BID

DE

R to

ind

icate the M

aximu

m P

ow

er Ratin

g (kV

A) o

f the

Po

wer so

urce an

d th

e no

-load

Po

wer co

nsu

mp

tion

in W

atts.

2.2

7

Po

wer So

urce M

od

el T

o Sp

ecify the M

od

el of P

ow

er sou

rce Offered

(M

etallic nam

e plate o

f the m

achin

e shall also

inclu

de d

etails lik

e nam

e of m

anu

facturer, Serial n

o, Y

ear of M

fg. inp

ut p

ow

er in

kV

A, in

pu

t voltage, N

o. o

f ph

ase, op

erating freq

uen

cy, w

eight

of th

e un

it etc.)

40

0A

, 60

% D

uty

Cy

cle – SM

AW

PA

RT

- B

S. N

o.

BH

EL

SP

EC

IFIC

AT

ION

O

FF

ER

BY

BID

DE

R

3.0

R

EM

OT

E C

ON

TR

OL

UN

IT F

EA

TU

RE

S

3.1

A

pp

lication

R

emo

te con

trol u

nit sh

all be p

rovid

ed fo

r setting w

eldin

g cu

rrent fro

m a d

istant w

ork

place, in

add

ition

to th

at pro

vided

in

the fro

nt p

anel o

f the w

eldin

g po

wer so

urce.

3.2

T

ype

Han

d O

perated

(for SM

AW

) with

10

m lo

ng co

ntro

l cable w

ith

qu

ick-fix en

d co

nn

ectors. T

ype o

f remo

te con

trol (an

alog o

r d

igital) may b

e specified

.

3.3

C

urren

t Co

ntro

l Step

less regulatio

n o

f Weld

ing C

urren

t.

4.0

S

CO

PE

OF

SU

PP

LY

: (Th

e sco

pe

of su

pp

ly sh

all co

nsist o

f the

follo

win

g, fo

r ea

ch m

ach

ine

)

4.1

W

eldin

g Po

wer so

urce w

ith T

ransp

ort T

rolley w

ith w

heels.

4.2

C

on

trol U

nit In

tegrated w

ith P

ow

er sou

rce

4.3

H

and

Op

erated R

emo

te Co

ntro

l Un

it.

4.4

Set o

f Inter-C

on

nectin

g Cab

les, Ad

apters etc.

4.5

W

eldin

g Cab

le and

Weld

ing H

old

er

4.6

R

eturn

Cu

rrent C

able w

ith Screw

Typ

e Earth

Clam

p.

4.7

E

lectrical & M

echan

ical Spares fo

r Po

werso

urce &

Co

ntro

l Un

it

4.8

C

alibratio

n K

it if necessary

4.9

O

PT

ION

AL

: Pro

gram lo

ader sh

all be su

pp

lied if th

e po

wer so

urce is p

re-p

rogram

med

.

40

0A

, 60

% D

uty

Cy

cle – SM

AW

PA

RT

- B

S. N

o.

BH

EL

SP

EC

IFIC

AT

ION

O

FF

ER

BY

BID

DE

R

5.0

S

PA

RE

S :

5.1

P

ow

er Sou

rce A

ll typ

e of Sp

are Parts req

uired

for 2

years of tro

ub

le free o

peratio

n o

n th

ree shift b

asis inclu

din

g the fo

llow

ing item

s are to

be co

mp

ulso

rily q

uo

ted (w

ith U

nit R

ate). a)

IGB

T K

it b

) A

ll Typ

es of F

uses

c) C

on

trol – T

ransfo

rmers

d)

Prin

ted C

ircuit B

oard

s / PC

Bs – A

ll Typ

es e)

Rectifiers, T

herm

istors, C

apacito

rs f)

Switch

es and

Kn

ob

s g)

Co

olin

g Fan

Mo

tor

h)

Am

meter &

Vo

ltmeter

i) P

oten

tiom

eter j)

Relay

s & T

imers

k)

Recep

tacles l)

Co

ntro

l Cab

le with

En

d C

on

necto

rs m

) Filters

n)

Weld

ing &

Retu

rn C

able C

on

necto

rs

5.2

R

emo

te Co

ntro

l Un

it C

om

plete Set o

f Spares fo

r Rem

ote C

on

trol U

nit to

be o

ffered.

6.0

O

& M

MA

NU

AL

S :

6.1

N

o. o

f Co

pies

On

e for E

ach M

achin

e

6.2

L

angu

age E

nglish

6.3

So

ft Co

py

O

ne so

ft cop

y in

CD

-RO

M is to

be giv

en fo

r each m

achin

e, co

ntain

ing th

e details m

entio

ned

un

der C

lause S

l. No

. 6.0

/6.4

40

0A

, 60

% D

uty

Cy

cle – SM

AW

PA

RT

- B

S. N

o.

BH

EL

SP

EC

IFIC

AT

ION

O

FF

ER

BY

BID

DE

R

6.4

M

anu

al Details :

a) M

anu

al shall co

ntain

all instru

ction

s for m

achin

e in

stallation

and

weld

ing trial testin

g, in seq

uen

ce. b

) M

anu

al to giv

e general circu

it diagram

s, sho

win

g the

interco

nn

ection

of vario

us elem

ents an

d also

details o

n

PC

Bs [P

rinted

Circu

it Bo

ard] lik

e tapp

ing vo

ltages, main

electro

nic elem

ents' sp

ecification

s and

ratings, etc.

c) M

anu

al to giv

e oth

er details lik

e trou

ble sh

oo

ting ch

art, w

eld p

arameters selectio

n fo

r variou

s base m

etals, etc. d

) M

aster List o

f Parts &

Spares u

sed in

the m

achin

e with

M

ake, M

od

el, Ratin

g, Part n

um

beretc.

7.0

G

EN

ER

AL

PO

INT

S :

7.1

B

ou

ght-O

ut Item

s a)

IGB

Ts u

sed in

the w

eldin

g po

wer so

urces sh

all be o

f H

ITA

CH

I, JAP

AN

/ DY

NE

X, U

.K/ F

UJI, JA

PA

N/ IX

YS, U

SA

/ P

OW

ER

EX

, US

A/ M

ITSU

BISH

I, JAP

AN

/ TO

SHIB

A, JA

PA

N /

INF

INE

ON

, GE

RM

AN

Y/ SE

MIK

RO

N, G

ER

MA

NY

mak

e on

ly.

Th

e man

ufactu

rer’s origin

al test certificate for th

e IGB

Ts

used

in th

e po

wer so

urces sh

all be p

rovid

ed w

ith th

e eq

uip

men

t. Th

ese shall b

e verified d

urin

g pre

-disp

atch

insp

ection

. b

) O

ther B

ou

ght-O

ut Item

s - like M

oto

rs, ICs, R

elays,

Co

ntacto

rs, Switch

es, Electro

nic E

lemen

ts, etc., used

in th

e P

ow

er sou

rce & C

on

trol U

nit sh

all be o

f Rep

uted

Mak

es accep

table to

BH

EL

. c)

BID

DE

R h

as to fu

rnish

the m

ake o

f Bo

ugh

t-Ou

t Items, alo

ng

with

the o

ffer.

7.2

W

eight

Bid

der to

specify th

e Weigh

t of sin

gle po

wer so

urce

40

0A

, 60

% D

uty

Cy

cle – SM

AW

PA

RT

- B

S. N

o.

BH

EL

SP

EC

IFIC

AT

ION

O

FF

ER

BY

BID

DE

R

7.3

P

re-disp

atch

Insp

ection

at Su

pp

lier’s wo

rks

Th

e weld

ing m

achin

es shall b

e offered

for in

spectio

n b

y B

HE

L

En

gineers at su

pp

lier’s wo

rks fo

r perfo

rman

ce evalu

ation

prio

r to

desp

atch. W

eldin

g con

sum

ables h

ave to

be arran

ged b

y the

sup

plier.

7.4

C

om

missio

nin

g C

om

missio

nin

g and

perfo

rman

ce pro

ve ou

t of th

e offered

eq

uip

men

t at BH

EL

wo

rks sh

all be d

on

e by th

e sup

plier's

Co

mm

ission

ing E

ngin

eer.

7.5

P

erform

ance p

rove o

ut

at BH

EL

wo

rks

a) W

eldin

g Trials are to

be tak

en o

n carb

on

steel & allo

y steel jo

bs w

ith 4

.0m

m an

d 5

.0m

m electro

des.

b)

BH

EL

will p

rovid

e necessary jo

bs an

d electro

des fo

r SMA

W.

7.6

T

rainin

g T

he Su

pp

lier’s Service En

gineer sh

all give train

ing in

the

Op

eration

and

Main

tenan

ce (main

ly on

electric/electron

ic tro

ub

lesho

otin

g) of th

e Mach

ine to

BH

EL

Staff, du

ring

com

missio

nin

g of th

e Weld

ing M

achin

es.

7.7

G

uaran

tee T

he m

achin

e shall b

e guaran

teed fo

r a min

imu

m o

f 24

mo

nth

s fro

m th

e date o

f com

missio

nin

g at BH

EL

.