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CORRIGENDUM- 3 DATED 20-12-2016
CHANGE IN BID SUBMISSION SCHEDULE &
REPLY TO QUERIES
RFQ REF.NO. PN116D029 DATED 27-10-2016
DESIGN, SUPPLY, INSTALLATION, TESTING AND COMMISSIONING OF 11KV 3PHASE 1500
KVA DG SET
Sl.
No
CHANGES EXISTING DATE AMENDED DATE
1. BID SUBMISSION DUE DATED EXTENDED
28-12-2016 2.00 P.M. 10-01-2017 2.00 P.M.
2 OPENING DATE OF TECHNICAL BID
28-12-2016 2.30 P.M. 10-01-2017 2.30 P.M.
3 REPLY TO QUERIES ATTACHED (77 Queries, 21 Pages)
For ITI LIMITED, PALAKKAD PLANT
Sd/-
CHIEF MANAGER MATERIALS
Sl.
No.PAGE
Clause
NoDESCRIPTION TENDER SPECIFICATION QUERIES REPLY
1 13 3.1 PAINTING
The Equipment and fabricated structure etc.
shall be thoroughly cleaned and painted in
accordance with IS specification. The colour
shade of finish paint (two coats) shall be as
per shade no.631 of IS:5 for indoor equipment
and shade No.632 of IS: 5 for outdoor
equipment. Clean and touch up paint shall be
applied at site as required
DG set and Acoustic Enclosure
will be provided with color
shade as per manufacturing
standard only.
Colour shade shall be as per the
latest IS standard.
To start through Automatic Mains Failure
(AMF) system within the time limit of
Please confirm wheather you
can accept only electrical
starting system through
Air start facility is a STANDBY
measure for starting the DG set in
case the electric starting with
REPLY TO QUERIES
2 13 3.1 DESIGN BASIS
(AMF) system within the time limit of
30 seconds from cold condition and take
normal load. Initial starting of DG sets
shall be by electrical means from a battery
bank. A stand by air start facility shall
also be provided.
starting system through
batteries.
case the electric starting with
Battery fails. Instead of Air start
facility, additional battery set shall
be arranged as standby.
3 13 4.1.7 DESIGN BASISNoise level 75 dB (A) measured at 1 meter
from the equipment
As per CPCB norms 25dB(A)
insertion loss is to be
achieved.
Shall be inaccordance with the
latest IS standard
4 13 4.1.7 DESIGN BASIS
10% over loading capability for 1 hour at every
8 hours of continuous operation
Our machine is capable of
taking 10% overload for 1
hour in every 12 hours of
operation.Kindly confirm.
Shall be as per RFQ
Sl.
No.PAGE
Clause
NoDESCRIPTION TENDER SPECIFICATION QUERIES REPLY
REPLY TO QUERIES
5 9 18 Initial Maintenance
The bidder shall be responsible for
maintenance of the DG Set and associated
system for a period
of 3 months, during which ITI will monitor the
project for effective performance in line with
conditions specified elsewhere in the bid
document. During this period, the bidder shall
be
responsible for supply of all spare parts as
required from time to time for scheduled and
preventive
maintenance, major overhauling of the plant,
replacement of defective components of DG
Set,
For initial maintenance how
many shifts we have consider
for providing the operator.
One Shift
Set,
cooling system, power distribution system, etc
and maintaining log sheets for operation
detail,
deployment of staff for continuous operations
and qualified engineer for supervision of
operation
work, complaint logging & its attending.
6 9 19
Metering, Net
Metering And Grid
Connectivity
Metering and grid connectivity of the DG set
system would be the responsibility of the
Bidder in
accordance with the prevailing guidelines of
the KSEB and / or CEA (if available by the time
of
implementation). ITI could facilitate
connectivity; however the entire responsibility
lies with
bidder only.
Please confirm wheather we
have to consider grid
paralleling.
Grid paralleling is not required.
DG set is a captive power plant
and the same is running only
during the mains supply failure.
The meter with required
parameters as per the KSEB
guidlince shall be arranged by the
bidder.
Sl.
No.PAGE
Clause
NoDESCRIPTION TENDER SPECIFICATION QUERIES REPLY
REPLY TO QUERIES
7 4 4 EMD
The bidder shall submit a Demand Draft for an
amount of Rs. 4,00,000 ( Indian Rupees Four
Lakhs only) drawn in favour of ITI Limited,
payable at Palakkad, from any Indian
Nationalised /
Scheduled Bank towards Earnest Money
Deposit.
We kindly request you to
accept Bank Gurantee instead
of DD toeards EMD.
No change in RFQ terms
8 13 4.1.2Generator control
Panel
Generator Control Panel with necessary
instruments, indication lamp, Battery volt &
monitoring, protection
We have offered DG starter
panel along with DG set
having digital controller to
monitor engine and
Alternator Parameters with
necessary protection systems.
As per RFQ all the instruments,
indication lamp, Battery volt &
monitoring, protection are
required and the same shall be
availble with the DG set. Location
of the same shall be be decided by Panelmonitoring, protection
necessary protection systems.
Any Breaker Panel and
Auxiliary Panel is not in our
scope as per BOQ.
of the same shall be be decided by
the bidder.
9 21 1.4 DIESEL ENGINE
AC driven pre lub oil pumps shall be provided
if required. With one working and one
standby.
External lube oil priming
pump is not reqired for our
system.
Shall be provided as per RFQ if
required
Sl.
No.PAGE
Clause
NoDESCRIPTION TENDER SPECIFICATION QUERIES REPLY
REPLY TO QUERIES
10 211.4.1 to
1.4.6DIESEL ENGINE
The engine will also be provided with safety
control instruments to stop the
engine under abnormal conditions indicated
below
We can provide
tripping/indication for below,
1.4.1.Low lube oil pressure.
1.4.2. Cooling water
temperature very high.
1.4.3. Engine over speed.
We cannot provide
tripping/indication for the
below,
1.4.4. Lube oil temperature
very high
1.4.5. Cooling water pressure
very low,
1.4.6. Lube oil level low.
Shall be as per RFQ
1.4.6. Lube oil level low.
Kindly confirm.
11 22 2.1.8 GENERATOR Max. Permissible Transient voltage dip during
starting: 10%
Please indicate the starting
load.
The permissible TVD at 100%
load is 20%.
Shall be as per latest IS standard.
12 22 2.1.10 GENERATOR Class of insulation: F (temperature rise limited
to 70ºC over ambient)
We can offer class "F"
temperature rise limited to
"B".
OK
13 23 3.2.1.1
INSTRUMENTATION
AND CONTROL
SYSTEM
The flexibly mounted instrument panel on the
engine shall be complete
with the following:
We can offer Microprocessor
based digital type controller
for monitoring engine and
alternator parameters.The
same shall be mounted near
to engine.
OK
14 23 3.2.2.2
INSTRUMENTATION
AND CONTROL
SYSTEM
Lubricating oil temperature at engine inlet.
We cannot provide gauge for
lube oil temperature.
Shall be as per RFQ
Sl.
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Clause
NoDESCRIPTION TENDER SPECIFICATION QUERIES REPLY
REPLY TO QUERIES
15 23 4.1 Fuel oil day tank
One (1) No. of day tank made out of carbon
steel material shall be provided. The tank shall
be provided with necessary nozzles for fuel oil
filling, recirculation, outlet, drain, over
flow, manhole, level gauges, high and low
level switch and temperature sockets, etc.
We are offering Mild Steel for
Fuel tank,Pipes and supports.
Shall be as per RFQ
16 23 4.3.
License for storage
and transfer of fuel
The Bidder shall submit necessary drawings
and documents and obtain license covered
under 'the Petroleum Act, 1934' and
subsequent amendments from Chief
Controller of Explosives for storage and
handling of HSD. Necessary licensing fee will
Since we are providing 990 Lts
capacity fuel tank, statuary
approvals not required.
Approval from the concerned
authority shall be obtained only if
necessary
16 23 4.3. and transfer of fuel
oilhandling of HSD. Necessary licensing fee will
be reimbursed by
Purchaser. All statutory approvals required
shall be obtained by Bidder wherever
applicable.
17 24 5.1.1 11KV DG-VCB PANEL
One (1)) No. of floor mounted, indoor totally
enclosed, metal clad, dead front
cubicle, fully interlocked fabricated out of 2
mm thick CRCA
The sheet thickness will be
1.6/2.0 mm as per our
manufacturing standard.
Shall be as per RFQ
18 26 6.6CURRENT
TRANSFORMERS
The CT cores for measuring and indication will
have accuracy class of 0.2 and shall saturate at
a moderate over current so as to relieve the
measuring and indicating instruments of any
undue strain caused by heavy over currents in
the primary circuit.
We request you to accept
class 1 or 0.5 accuracy.
Shall be as per RFQ
19 34 3Preferred
make-AVRBHEL/ABB/SIEMENS
Please add TDPS/KEC. As per RFQ other make may also
be considered provided test
certificate and relevant
documents should be made
available for approval.
Sl.
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Clause
NoDESCRIPTION TENDER SPECIFICATION QUERIES REPLY
REPLY TO QUERIES
20 34 7Preferred make-DG
Control PanelSIEMENS/AREVA / ENPRO
Please add SGPL/Power
control make.
As per RFQ other make may also
be considered provided test
certificate and relevant
documents should be made
available for approval.
21 Inspection at works DG set/ Panels
Kindly confirm the numbers of
hours of testing and also the
number of personnel for
witnessing.
DG set shall be operated for
required time for checking the full
load capacity, Derating /up-rating
of Engine and alternator as per
stnadard.
22 Site test Load Test
Only Load test will be
conducted at site after
installation with available load
Load shall be arranged by ITI for
the commissioning Test
22 Site test Load Testinstallation with available load
at site and Fuel for site test
will be given by customer.
23Operation Hours per
AnnumCAMC
Kindly confirm the number of
hours of operation per year to
be considered for providing
CAMC offer.
The generator will be used when
the KSEB supply fails
Sl.
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NoDESCRIPTION TENDER SPECIFICATION QUERIES REPLY
REPLY TO QUERIES
24 8 15 Liquidated Damages
Should the Supplier fails to deliver the system
as per the delivery schedule or any extension
thereof, the Purchaser shall be entitled to
recover from the Supplier a penalty
equivalent to 0.5 %
of the value of the Purchase Order of the full
system per week for the first four weeks or
part
thereof and 0.7% per week there after for
such delay or part thereof or cancel the
purchase order
and purchase elsewhere at the risk of the
Supplier.
We kinldy request you to
waive the LD clause.
No change in RFQ terms
25 CIVIL WORKS Civil Works
Any Major or Minor civil
works like Foundation for DG
set, Foundation for Exhaust
structure, Opening in walls,
Digging and excavation,
Fencing, Providing gates,
Trenches are excluded from
our scope.
Shall be as per RFQ
26 Scope of Work Water and Electricity
Water and Electricity shall be
provided by customer free of
cost during installation and
erection work at site.
Water and power for the work
shall be arranged by ITI
Sl.
No.PAGE
Clause
NoDESCRIPTION TENDER SPECIFICATION QUERIES REPLY
REPLY TO QUERIES
27 PAYMENT TERMS
Please accept the following
payment terms,
A)10% mobilization advance
against Advance Bank
Guarantee.
B)90% against despatch. 10%
PBG will be provided.
No change in RFQ terms
28 COMMERCIAL BENEFITS
Kindly confirm any
commercial benefits like
"Form C", SFI Scheme, Export
benefit scheme has to be
considered for DG sets.
"C" form will be issued
29
We are requesting you to
kindly give us the room layout
drawing, SLD drawing etc in
CAD/PDF format .
Bidder shall visit and inspect the
site before quoting.
30 COMMERCIAL BENEFITSKindly confirm whether ITI
Shall issue Form- C or not
ITI will issue C Form
31 TAXES
Entry Tax/Octroi etc shall be
in scope of ITI/Purchaser.
Necessary Entry way Bill/Road
Permit/E-fugam shall be
issued by ITI for entry of the
Goods.
ITI will provide necessary
"Transaction slip" for the
transportation of goods based on
the details provided by the
supplier.
Sl.
No.PAGE
Clause
NoDESCRIPTION TENDER SPECIFICATION QUERIES REPLY
REPLY TO QUERIES
32 44 of
Section-AEMD
The bidder shall submit a Demand Draft for an
amount of Rs. 4,00,000 ( Indian Rupees Four
Lakhs only) drawn in favour of ITI Limited,
payable at Palakkad, from any Indian
Nationalised /
Scheduled Bank towards Earnest Money
Deposit.
Normally EMD is also
acceptable in the from of
Bank Guarantee.
Further as per Government
Guidelines, MSME registered
bidders are always exempted
from submission of EMD.
Please confirm the same for
us in this Tender.
EMD shall be in the form of DD as
per RFQ terms. MSMEs registered
with National Small Industries
Corporation Ltd., New Delhi and
in respect of which cometancy
certificates are issued by the
corporation will be exempted
from payment of EMD. Attested
copies of certificates shall be
attached.
Total completion period for supply,
installation, testing and commissioning of the
total equipment covered under this
Considering the quantum of
work involved, you are
requested to allow approx. 30
No change in RFQ terms
33 88 of
Section-A
Delivery and
Commissioning
total equipment covered under this
specification shall be within 24 Weeks from
the date of PO
requested to allow approx. 30
weeks for Delviery of
Equipments to reckoned from
the date of Drawing Approval
+ Total completion period to
be increased from 24 weeks
to 36 weeks subject to
hindrance free site
3414,16,21,
23 & 36
5.7 and
9.1.0 of
Sec-B Part
I
1.2,1.7,4.
5 of Sec B
Part II
Sl.No.1 of
Sec B Part
IV
Compressed Air
Srart System
Normally customer buys DC
Battery / Electric Start system
as per standard
manufacturing practice. Here
in this tender it is Compressed
Air Start System
You are requested to review
the same to accept Battery
Start System instead of
Compressed Air Start System
Air start facility is a STANDBY
measure for starting the DG set in
case the electric starting with
Battery fails. Instead of Air start
facility, additional battery set shall
be arranged as standby.
Sl.
No.PAGE
Clause
NoDESCRIPTION TENDER SPECIFICATION QUERIES REPLY
REPLY TO QUERIES
35 14 & 24
5.8 of Sec-
B Part I
4.7 of Sec-
B Part II
Piping & Chimney
One (1) No. of Corton Steel chimney
Exhaust gas from the engine shall be
discharged at the required height through
exhaust gas silencer and carbon steel chimney
of 30 m height.
We will Supply MS Support for
errection of exhaust pipe as
per standard parctice. ERW
Exhaust pipe shall of 16" NB
Dia (400mm).
Instead of Carbon Steel, Exhaust
pipe shall be M.S. conforming to
relevant IS and all supports made
of M.S. shall be arranged in such a
manner that load of exhaust
piping is not exerted to the
turbocharger.
36 211.1 of Sec-
B Part-IIDIESEL ENGINE
The engine shall be capable of taking 10 per
cent overload for 1 hour in every 8 hours of
continuous operation
Diesel Engine of any Brand
shall be capable to taking 10%
overload for 1 hour in every
12 Hours as per Prime Power
Rating definition ISO: 8528.
No change in RFQ terms
37 211.8 of Sec-
B Part-IIDIESEL ENGINE
The engine and generator shall be mounted
on single base frame. The base frame shall be
welded steel bar construction type
Base Frame shall be of MS
Structural steel as per
standard manufacturing
practice
No change in RFQ terms
38 22
2, 2.1.12
& 2.3 of
Sec-B
PartII
GENERATOR
Alternator - Degree of protection of enclosure
shall be IP:54
Degree of Protection of
Alternator shall be IP-23 as
per Alternator Manufacturer
Standard
No change in RFQ terms
39 22
2.1.10 of
Sec-B
PartII
GENERATOR
Class of insulation: F (temperature rise limited
to 70ºC over ambient)
Class of insulation shall be
Class-F (or Class H)
temperature rise is restricted
to Class - F as per standard
practice of Manufacturers
No change in RFQ terms
40 234.1 of Sec-
B PartII
DG SET AUXILIARIES
Fuel oil day tank
One (1) No. of day tank made out of carbon
steel material shall be provided
Fuel oil day tank shall be 990
Ltr capacity made up of CRCA
sheet as per manufacturer
standard practice
No change in RFQ terms
Sl.
No.PAGE
Clause
NoDESCRIPTION TENDER SPECIFICATION QUERIES REPLY
REPLY TO QUERIES
41 234.3 of Sec-
B PartII
DG SET AUXILIARIES
License for storage
and transfer of fuel
oil
The Bidder shall submit necessary drawings
and documents and obtain license covered
under 'the Petroleum Act, 1934' and
subsequent amendments from Chief
Controller of Explosives for storage and
handling of HSD
We will be giving Fuel oil day
tank shall of maximum of 990
Ltr Hence Explosive license /
approval of any department is
not required for the same
All statutory approval
necessitated at any point of time
of execution of work shall be
obtained by the bidder.
42 32
13 & 14
of Sec-B
Part II
COMMISSIONING
TESTS
PERFORMANCE
GUARANTEE FOR
DG SET
We have considered 1 hour
Pre-dispatch Testing of DG Set
on various Load including 10%
overlaod for 15 minutes at our
Factory. Load and Diesel for
site test shall be Customers
Scope.
ITI shall arrange the Load on the
Generator.
43 34
Sl No 2 of
Sec B Part
III
LIST OF PREFERRED
MAKES
Alternator
STAMFORD/CGL/VATECH/TDPS We request you to
incorporate most proven and
reliable Kirloskar brnad
alternator for better
competition and timely
completion of Project
As per RFQ other make may also
be considered
44 50Sec-B
Part-VIII
Drawings of DG SET
ROOM with Existing
DG Sets and HT
Panels
Site Layout given in Tender is
not legible / readable. Please
email us auto cad version /
PDF dimensional drawing to
estimate Quantity. Pl mention
proposed location of required
DG Set, Cooling Tower, Panel
therein. Also mention route
of Exhaust pipe, Water Pipe,
Earthing Strip, Cable etc.
Bidder shall visit and inspect the
site before quoting
Sl.
No.PAGE
Clause
NoDESCRIPTION TENDER SPECIFICATION QUERIES REPLY
REPLY TO QUERIES
45
Electricity Free of
cost during I&C and
Operation of DG Set
Customer will provide 240V
AC, 220V DC, 24V DC < 110V
DC, 415V AC power etc on
free of Cost of basis for
installation, commissioning,
operation of DG Set System.
The required power for the work
shall be arranged by ITI
Electrical Technical
Observation /Query/ Notes
are as under:
I. Lube oil temperature very
high indication is not
applicable
Shall be arranged as per RFQ
applicable
II. Cooling Water Pressure
very low indication is not
applicable
Shall be arranged as per RFQ
III. Lube oil level indication is
available Mechanically by Dip
Stick
Shall be arranged as per RFQ
IV. We have considered
remote monitoring for DCS
with RS485 part of the
Controller
Shall be arranged as per RFQ
46
Sl.
No.PAGE
Clause
NoDESCRIPTION TENDER SPECIFICATION QUERIES REPLY
REPLY TO QUERIES
V. Following instruments
not applicable
A. Cooling Water pressure
Gauge.
E. Lube Oil temperature
gauge.
C. Exhaust temperature at
outlet.
D. Level switch for lube oil
pump & Jacket cooling water
tank.
Shall be arranged as per RFQ
tank.
E. Level thermometer for
Lube oil, Cooling water, intake
air on exhaust, gas
temperature reading.
F. Lube oil te,perature switch.
G. Cooling water flow switch
transmitter.
H.
Potentiometer/Raise/Lower
pushbutton for excitation as
system shall be AMF.
VI. DG AMF cum Control
Relay & Monitoring Panel
shall be strictly of
SUPERNOVA make.
Shall be arranged as per RFQ
VII. All Gauges/Transmitter
shall be of reputed make (say
VDO/Pricol etc.) only
Shall be arranged as per RFQ
VIII. HT VCB Panel shall be
from Authorized OEM of
Siemens
Shall be arranged as per RFQ
46
Sl.
No.PAGE
Clause
NoDESCRIPTION TENDER SPECIFICATION QUERIES REPLY
REPLY TO QUERIES
47 145.7 of Sec-
B Part II
Compressed Air
Srart System
Compressed air starting with
all accessories.- Take a
deviation as it is not available
, and all starting systems are
electrical battery starting
systems. We offer 24 V 180
AH 4 batteries with an Engine
mounted and also an external
battery charger
Air start facility is a STANDBY
measure for starting the DG set in
case the electric starting with
Battery fails. Instead of Air start
facility, additional battery set shall
be arranged as standby.
5.8 of Sec-
One (1) No. of Corton Steel chimney Carton steel chimney not
possible. Instead we Suggest
MS Support structure with
individual exhaust pipes from
Instead of Carbon Steel, Exhaust
pipe shall be M.S. conforming to
relevant IS and all supports made
of M.S. shall be arranged in such a 48 14
5.8 of Sec-
B Part I CHIMNEY
individual exhaust pipes from
the DG Set
of M.S. shall be arranged in such a
manner that load of exhaust
piping is not exerted to the
turbocharger.
49 813.2 of
Sec-A
Delivery and
Commissioning
The Equipment and all other items as per the
Purchase Order shall be delivered at the
Purchaser’s location , within 20 weeks from
the
date of P O.
The Equipment and all other
items as per the Purchase
Order shall be delivered at the
Purchaser’s location (at
Kanjikode West, Palakkad,
Kerala, India), within 24 weeks
from the date of P O.
No change in RFQ terms
50 813.3 of
Sec-A
Delivery and
Commissioning
The commissioning of the system shall be
completed within 24 weeks from the date of
PO
The commissioning of the
system shall be completed
within 12 weeks from the date
Delivery of D.G. sets
No change in RFQ terms
Sl.
No.PAGE
Clause
NoDESCRIPTION TENDER SPECIFICATION QUERIES REPLY
REPLY TO QUERIES
51 917.1 of
Sec-AInsurance
The Bidder shall be responsible and take an
Insurance Policy for transit-cum storage-
cumerection for all the materials to cover all
risks and liabilities for supply of materials on
site basis, storage of materials at site,
erection, testing and commissioning. The
bidder shall also take appropriate insurance
during O&M period, if required
Security of materials at site
not in our scope
No change in RFQ terms
52 918 of
Sec-AInitial Maintenance
The bidder shall be responsible for
maintenance of the DG Set and associated
system for a period of 3 months
Initial Maintenance not in our
scope
Shall be as per RFQ
Metering and grid connectivity of the DG set while the grid connectivity the Shall be as per RFQ
53 919 of
Sec-A
Metering, Net
Metering And Grid
Connectivity
Metering and grid connectivity of the DG set
system would be the responsibility of the
Bidder in accordance with the prevailing
guidelines of the KSEB and / or CEA (if
available by the time of implementation). ITI
could facilitate connectivity; however the
entire responsibility lies with bidder only
while the grid connectivity the
responsibility of exsisting
system (old system) not in our
scope
Shall be as per RFQ
54 1020.2 of
Sec-A
Document
Submission For
Issue Of
Commissioning /
Completion
Certificate
a. Checklist for inspection of DG Set as per ITI
format.
b. Project completion report from successful
bidder as per ITI format
a. Checklist for inspection of
DG Set as per ISO format.
b. Project completion report
from successful bidder as per
ISO format.
Shall be as per RFQ
55 1020.2 of
Sec-A
Final Decision And
Final Certificate
Upon completion of 2 years of warranty and
subject to the Engineer-in-Charge being
satisfied, the Engineer-in-Charge shall
(without prejudice to the rights of the ITI to
retain the provisions of relevant Clause
hereof) otherwise give a certificate herein
referred to as the Final Certificate
Upon completion of 1 years of
warranty
No change in RFQ terms
Sl.
No.PAGE
Clause
NoDESCRIPTION TENDER SPECIFICATION QUERIES REPLY
REPLY TO QUERIES
56 121.5 of Sec-
B Part IGENERAL
The Bidder shall prepare drawings and
rendering assistance to Purchaser for getting
approval from statutory body (i.e. Central
Electricity Authority / Chief Electrical
Inspectorate and Chief Controller of
Explosives) clearances as applicable. Any
modification demanded by authorities shall
be carried out by the Bidder without extra
cost to Purchaser
Any modification demanded
by authorities regarding the
exsisting / old installation
shall be carried out on extra
cost.
Bidder shall visit and inspect the
site before quoting. Any
modification demanded by
authorities shall be carried out by
the Bidder without extra cost to
Purchaser
57 132.6 of Sec-
B Part ISTANDARDS
The Bidder shall ensure that the plant and
equipment supplied by him shall not subject
personnel to noise levels exceeding the
permissible limits. The noise level shall be
restricted to 75 dB (A) at 1m distance from the
In a free field condition No change in RFQ terms
restricted to 75 dB (A) at 1m distance from the
equipment
58 13
4.1.2 of
Sec-B Part
I
DESIGN BASIS
To start through Automatic Mains Failure
(AMF) system within the time limit of 30
seconds from cold condition and take normal
load. Initial starting of DG sets shall be by
electrical means from a battery bank. A stand
by air start facility shall also be provided
Instead of air start facility we
offer secondry battary system
Air start facility is a STANDBY
measure for starting the DG set in
case the electric starting with
Battery fails.
59 13
4.1.4 of
Sec-B Part
I
DESIGN BASIS
The DG set shall be suitable for operation
under maximum ambient temperature of
500C with relative humidity 88 % (max.)
monthly mean
The DG sets are designeded
and tested for 40 degree C
ambient Temperature.
Considering the deration
factor of 5% on each 10
degree C. increase which is a
global standard please
confirm the kva out put
Shall be as per RFQ
60 145.2 of Sec-
B Part IScope of Work
Alternator 1500 kVA (1200 kW) rating 11 kV, 3
phase, 50 Hz Brushless, self-excited
Alternator 1500 kVA (1200
kW) Prime rating 11 kV, 3
phase, 50 Hz Brushless, self-
excited
Shall be as per RFQ
Sl.
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NoDESCRIPTION TENDER SPECIFICATION QUERIES REPLY
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61 145.7 of Sec-
B Part IScope of Work
Complete compressed air system for startup
of engine shall also be provided
Instead compressed air
system for startup of engine
we can provide Secondary
battery system on course of
primary battery system failure
Air start facility is a STANDBY
measure for starting the DG set in
case the electric starting with
Battery fails. Instead of Air start
facility, additional battery set shall
be arranged as standby
62 145.8 of Sec-
B Part IScope of Work
One (1) No. of Corton Steel chimney Instead of Carbon Steel
chimney We offering you M.S.
STRUCTURE
Instead of Carbon Steel, Exhaust
pipe shall be M.S. conforming to
relevant IS and all supports made
of M.S. shall be arranged in such a
manner that load of exhaust
piping is not exerted to the
turbocharger.turbocharger.
63 14
5.10 of
Sec-B Part
I
Scope of Work
Pre lube oil system if required Pre lube oil system is not
required for 1500 rpm
machines
Pre lub oil system shall be
provided only if required.
64 14
5.16 of
Sec-B Part
I
Scope of Work
11kV, 1C x 300 sq. mm. Al. conductor, XLPE
insulated and FRLS PVC sheathed, flat
striped armoured cable from Generator
Neutral to Neutral grounding resistor panel, if
any
11kV, 3C x 150 sq. mm. Al.
conductor, XLPE insulated ,
flat striped armoured cable
from Generator Neutral to
Neutral grounding resistor
panel.
Conductor size shall be equivalent
to 1Cx300 sqmm Al. considering
the facor while using 3C instead of
single core.
65 14
5.20 of
Sec-B of
Part I
Scope of Work One (1) No. DG set local control panel with
meters, controls, emergency stop push
buttons, display units, indicators, alarm &
annunciation system, AVR system, AMF
control etc
Meters, controls, emergency
stop push buttons, display
units, indicators, alarm &
annunciation system AMF
control etc will be
accomadated on item no. 5.14
Meters, controls, emergency stop
push buttons, display units,
indicators, alarm & annunciation
system, AVR system, AMF control
etc. are the integeral part of the
DG set and same shall be available
else where with DG Set.
Sl.
No.PAGE
Clause
NoDESCRIPTION TENDER SPECIFICATION QUERIES REPLY
REPLY TO QUERIES
66 15
5.23 of
Sec-B of
Part I
Scope of Work
Preparation of drawing and obtaining
approval from statutory authorities (i.e. from
Chief Electrical Inspectorate and from
Controller of Explosives) as applicable for
design, manufacture and installation
Approval of Controller of
explosive if necessary
Approval of Controller of
explosive shall be obtained only if
necessary
67 156 of Sec-
B of Part ISPARES
The Purchaser would like to maintain a stock
of essential spares of the equipment as his
own stock. For the purpose the bidder shall
submit with his offer itemized prices of
various spares The prices of spares so quoted
shall remain frozen for a period of five years
(2 years warranty and 3 years AMC)
Price validity will be one
financial year
No change in RFQ terms
(2 years warranty and 3 years AMC)
Sl.
No.PAGE
Clause
NoDESCRIPTION TENDER SPECIFICATION QUERIES REPLY
REPLY TO QUERIES
68 158 of Sec-
B of Part I
TESTING and
INSPECTION
All plant and equipment included in the
contract including spares shall be inspected.
All necessary tests shall be carried out by the
successful Bidder to demonstrate whether the
material and
equipment offered conform to the contract,
drawings, relevant standards and
specifications. Test certificates for bought out
items including electrics, instruments and
pneumatic equipment etc. shall be submitted
along with inspection call or during inspection
of the equipment. Valid calibration certificates
Factory test Reports can be
submitted
Shall be as per RFQ
68 15B of Part I INSPECTION
of the equipment. Valid calibration certificates
for all inspection, measuring and test
equipment, issued by government
laboratories / private laboratories recognised
by ITI Limited or other nodal agencies, used
during inspection of equipment shall be
submitted by the successful Bidder along with
inspection call or during inspection of the
equipment. Spares supplied as components
shall be put up along with necessary test
certificates / internal inspection reports. The
Bidder shall furnish in his offer a complete list
of tests he proposes to conduct at site during
commissioning.
69 17
10.1 of
Sec-B,
Part I
ERECTION, TESTING
AND
COMMISSIONING
The contractor shall provide necessary
drawings and documents required by
statutory authorities such as electrical
inspectorate, etc. and obtain the approval
before taking up erection.The contractor shall
provide necessary drawings and documents
required by statutory
Initial submission for electrical
approval
Shall be as per RFQ
Sl.
No.PAGE
Clause
NoDESCRIPTION TENDER SPECIFICATION QUERIES REPLY
REPLY TO QUERIES
70 17
10.6 of
Sec-B,
Part I
ERECTION, TESTING
AND
COMMISSIONING
Erection materials including all consumables,
tools, testing instruments or any other
equipment required for successful
commissioning shall be arranged by the
successful bidder in a timely manner
water and power has to be
provided by ITI
Water and power required for the
installation work shall be
arranged by ITI
71 18
13.3 of
Sec-B,
Part I
Warranty
The terms and conditions of the Annual
Maintenance Contract including penalty shall
be applicable during the warranty period (see
clause 14 below). However, there shall not be
any payment for the warranty service. Any
penalty during the warranty period will be
deducted from the next payment(s) due to the
Supplier for the supply of equipments /
Under warranty period we can
provide 5 free labour visits
which starts from
commissioning and remains
either AMC or ON CALL visits.
No change in RFQ terms
Supplier for the supply of equipments /
service / or adjusted with PBG
72 17
10.6 of
Sec-B,
Part I
ERECTION, TESTING
AND
COMMISSIONING
The terms and conditions of the Annual
Maintenance Contract including penalty shall
be applicable during the warranty period (see
clause 14 below). However, there shall not be
any payment for the warranty service. Any
penalty during the warranty period will be
deducted from the next payment(s) due to the
Supplier for the supply of equipments /
service / or adjusted with PBG
Water and power has to be
provided by ITI
Water and power required for the
installation work shall be
arranged by ITI
73 19 & 20
14.8 to
14.4 of
Sec-B,
Part I
Annual
Maintenance
Contract (AMC)
Penalty Clause Not Acceptable No change in RFQ terms
Sl.
No.PAGE
Clause
NoDESCRIPTION TENDER SPECIFICATION QUERIES REPLY
REPLY TO QUERIES
74 234.3 of Sec-
B PartII
DG SET AUXILIARIES
License for storage
and transfer of fuel
oil
The Bidder shall submit necessary drawings
and documents and obtain license covered
under 'the Petroleum Act, 1934' and
subsequent amendments from Chief
Controller of Explosives for storage and
handling of HSD
We are supplying 990 ltr HSD
tank.
Statutory approval in this regard
shall be obtained by Bidder if
applicable
75 244.7 of Sec-
B Part II
Exhaust piping &
chimney
Exhaust gas from the engine shall be
discharged at the required height through
exhaust gas silencer and carbon steel chimney
of 30 m height. Expansion bellows shall be
provided to isolate exhaust ducting from
vibration and allow for thermal expansion.
The total exhaustpipeline system shall be
Exsisting system exhaust line
stack will be extra
Bidder shall be responsible for the
exhaust line stack of the new DG
set
The total exhaustpipeline system shall be
insulated by wool/chicken mesh and provided
with aluminium cladding to entire length.
Statutory approval in this regard shall be
obtained by Bidder
76 32
13.1 &
13.2 of
Sec-B Part
II
COMMISSIONING
TESTS
Physical inspection Shall be as per RFQ
77 32
13.3 of
Sec-B Part
II
COMMISSIONING
TESTS
Load and diesel has to be
provided by ITI
Load shall be arranged by ITI for
the commissioning Test