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01.
Annexure - C
Enquirv no. EGIL/EMSD/PUR/ / / Dt:
Technical Specifications for Manufacture of WPAT
Scope:
This enquiry calls for the following works in total
. Design & Manufacturing of lnjection Moulding Tools for WPAT as per
Annexure-A (1 Set consisting of 17 Tools)'
o Moulding and supply of Plastic components for WPAT. All the required
injection molding iooti manufactured by supplier itself as per Annexure-B
(Table i ) have to be used for moulding of Plastic components'
o lntegrate / Assemble the moulded components by using mentioned
hardwarsas per Annexure-B ( Table i to iv ), convert them into a single entity
of WpAT and dispatch them io ECIL at the rate of 1000 nos' (minimum) per
day.
. The tools manufactured by supplier, should be returned back to ECIL in
proper *orling condition *itn piop"r packing & Marking after completion of
production. Ai undertaking to this effect should be provided along with the
tools OV if,e supplier. TIe expenses incurred towards this are in the
suPPlier's scope.
All the bidders shall have relevant experience in Manufacturing of injection moulding
Components for industrial products'
Bidders shall have Advanced Computerized lnjection Moulding machines for
production.
5 (Five) Sample sets of Trial (T0)- have to-b9 submitted by the supplier
within B weeks to ensure prop"r fitment. Further 100 sets (T1) shall be
submitted at free of cost'within 2 weeks after acceptance of (T0) and
texturingoftools.Bulksuppliesshouldstartwithinlweekfromthedateofclearance of T1 samPles'
Third party inspection is required for the above said scope of works' Detailed Quality
Assurance pran (OAp) for the items is to be followed as per Annexure-D'
02.
03.
04.
05.
Lo,..-1p Page 1 of 2
06. Raw Material for Tooling and Plastic Components:
Raw material used for Manufacturing of Moulding Tool for WPAT should be, Mould
Base: c45 and for both core & cavity: IMPAX SUPREME (P20;1.2738) a.nd needs to
procure from reputed oEM brands, ihe supplier has to submit test certificate for the
same from the reputed laboratories/approved NABL laboratories'
Raw material used for production of WPAT units should be virgin material and needs
to be procured from reputed OEM brand. The make should be intimated to ECIL' For
the raw material useO, the supplier has to submit test certificate from the reputed
laboratories/approved laboratories for at least two lots of material procured.
M3 Threaded Brass inserts have to be provided for items as mentioned in Annexure-
B Table (i).
The weight listed in Annexure B Table ( i ), for all individual parts are tentative, any
variation of weight shall be in the supplier's account'
Items that are to be joined by Ultrasonic Welding as indicated in the respective
Jr"*ingr should be slpplied in welded condition during delivery by the supplier'
Horns and Fixturei requiied for Ultrasonic welding are in the supplier's scope' ltems
that are to be joined by using adhesives as mentioned in the respective drawings are
be fixed using proper iOn"tiu" to suit the requirement' Grade of adhesive should be
intimated to fjtl and should be used on approval from ECIL'
color: sample shade coupons should be approved jointly by supplier and QC/Design
ingineers tietore outk production supplies start. variations in color from batch to
Uartn of the items supplied will not be accepted'
screen printing on required components are in the scope of the. supplier' Details and
color of screen printing are provided in the drawings attached as per Annexure-B'
Table ( iv ). samples of-items with screen printing should be approved by ECIL before
bulk production suPPlies start.
Assembly instructions are available in the Assembly drawings as per Annexure-B'
Table ( iv ). Moulded plastic components, Metal .components, Hardware' Packing
Covers etc., as mentioned in Annexure-B, Tables (i), (ii), (iii) are in supplier's scope
and should be assembled to complete WPAT for delivery.
Fully Assembled WPAT Unit shall be packed by using polyethylene packet during
supply to EMSD.
For further clarifications supplier may contact EMSD purchase'
06.
07.
08.
09.
10.
11.
12.
13.
Page 2 of 2
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A-1 Scale of SamPling
A- 1.1Lot
ln any consignment, all the WPAT cabinets of same size and type made from same raw materials and
manufactured under similar conditions shall be grouped together to be considered as a Lot
A-t.2
For ascertaining the conformity of the VVPAT cabinets to the requirements of the specification, samples
shall be tested from each lot separately
A- 1.3
The number of wpAT cabinets to be selected from a lot shall depend on the size of the lot and shall be
according to Table 3.
A-1.4
The wpAT cabinets shall be selected at random from the lot, ln order to ensure the randomness of
selection procedures given in lS 4905: 1968 may be followed'
A-2 Number of Tests and Criteria for Conformity:
A-2.1 Visual, Dimensional, Requirements, Color, Weight, Marking
Each of the wpAT cabinets selected and shall be examined for the tests' VVPAT cabinets failing to
satisfy one or more of these requirements shall be considered as defective. The lot shall be deemed to
have satisfied these requirements if the number of defectives found in sample is less than or equal to
the corresponding acceptance number'
A-3 Physical & Mechanical Characteristics
3.1 lmPact Tests:
3.1.1 lzod lmPact Test:
The lzod lmpact test for WPAT cabinets when tested as prescribed in ASTM D 256 thereshould not be
any damage, crack or permanent deformation or any other failure of the cabinets after the test'Relevant
data sheets and test certificates to be submitted from any NABL approved/ accredited lab'
3.1.2 Hardness Test:
The Hardness test for vvPAT cabinets when tested as prescribed in AsTM D 785there should not be any
damage, crack or permanent deformation or any other failure after the test'Relevant data sheets and
test certificates to be submitted from any NABL approved/ accredited lab'
Annexure - D
scale of sampling and criteria for conformity for Routine Tests
Rev.00
Page 3 of 6
@K3.1.3 De-latching Test
rn Assembred condition the wpAT top cover shourd be de-ratched and ratched for 50 times (Minimum -
25 cycres) there shourd not be any crack, damage to the ratchet and sha, not be in roose condition which
maydamageWPAT.RelevantdatasheetsandtestcertificatestobesubmittedfromanyNABLapproved/ accredited lab'
3.1.4 Weathering & Performance Test
The weathering & performance test for vvpAT cabinets to be tested as per AsrMG 155 or equivalent for
a minimum service performance of the product of 10 years. Rerevant data sheets and test certificates to
besubmittedfromanyNABLapproved/accreditedlab.
3.1.5 One Time Qualification test
A, the tests ,sted in tabre 2 are to be conducted on the wpAT cabinets before and after conditioning
given below (condition ll and condition lll) in any NABL approved/ accredited lab and test reports to be
submitted.
3.1.6 Conditioning
Condition the WpAT Cabinets as per rs 7031:2002 in the conditioning chamberfor24 hours priorto
test conducted at -18 + 2 "C and 55 + 2 "C
Condition l: Ambient Temperatur e (27 t2"Cfor 24 hours)
Condition ll: Elevated Temperature (55 t 2"Ctor 24 Hours)
Condition lll: Low Temperature (-18 t 2 "Cfor 24 Hours)
o^.r AO
Page 4 of 6
@K Annexure - D
Table 2 Type Test
Table 3 Scale of Sampling and Criteria for Conformity
Physical & Mechanical Characteristics
S.No Name of Test As per Clause No
L lzod lmpact Test 3.L.1
2 Hardness Test 3.L.2
3 De-latching Test 3.1.3
4 Weathering & Performance Test 3.L.4
5 Onetime Qualification Test 3.1.5
6 Conditioning 3.1.6
SL. No Lot Size Sample size
Accept ifNumber are less
than or equal
Reject if Numberare more than or
Equal
Up to 3000 No's 13 L 2
il 3000 to 10000 No's 20 2 3
ill 10000 to 35000 No's 20 2 3
The list of test facilities to be available at Vendor/ Manufacture site:
1. Melt flow index test
2. DensitY test
3. Filler/Ash content test
4. De - Latching test
5. Critical Dimension (Required measuring instruments)
6. Weighing balance
7. Conditioning Chamber for Condition
L^^=*Rev.00
Page 5 of 6
@t<
Requirements:
A-4Construction of WPAT Cabinets
wpAT cabinets consist of Top & Bottom covers assembled with top cover pins and latches'
A-5 Material of Construction
wpAT shall be manufactured from plastic material which assures guarantee for long term service and
weathering performance for a period of 15 years to meet all quality norms as prescribed under'
A-5.1 characteristics of Top cover, Bottom cover, Latches, chassis & covering plate of vvPAT cabinet
For Moulded Parts
As per ASTMD 1238
0.92-O.95gm/cc as Per ASTMD 798DensitY @ 27"C
Tensile Strength
31% MaximumFiller/Ash Content
As per ASTMD 1238
0.91-0.94 gm/cc as Per ASTMD 798Density @ 27"C
A-5.2 General Characteristics and Dimension
A-5.3Design&Dimension:Thecriticaldimensionsshallbecompliedwiththeencloseddrawings'
A.5.4 Thickness: The average thickness is 3 mm across all surfaces of the plastic parts unless and until
specified.
A-5.5 Weight: weight of WPAT components as per the enclosed Drawings/Annexure'
A-5.8 color & Texture: Color & Texture of printing as per the enclosed Drawings/Annexure'
t'^""ar* Page 6 of 6
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01.
Annexure - G
Scope:
This enquiry calls for the following works in total
o Design & Manufacturing of lnjectiotr Moulding Tools for WPAT-CC as
per Annexure-E (1 Set consisting of 6 Tools)'
. Moulding and supply of Plastic components for WPAT-CC' All the
required injection molding tools manufactured by supplier itself as per
Annexure-f grnt" i ) havJto be used for moulding of Plastic components.
. lntegrate / Assemble the moulded components by using mentioned
hardwarsas per Annexure-F ( Table i to iv ), convert them into a single entity
of WpAT-Ci and dispatch them to ECIL at the rate of 1000 nos. (minimum)
per daY.
o All the tools that are manufactured by supplier should be returned back to
EClLinproperworkingconditionwittrproperPacking&.Markingaftercompletion oi proOuctioi. An undertaking to this effect should be provided
along with the iools by the supplier. The expenses incurred towards this are
in the suPPlier's scope.
All the bidders shall have relevant experience in Manufacturing of injection moulding
Components for industrial products.
Bidders shall have Advanced computerized lnjection Moulding machines for
production.
5 (Five) Sample sets of Trial (T0) have to-be submitted by the supplier
within 6 weeks to ensure proper fitment. Further 100 sets (T1) shall be
submitted at free of cost within 2 weeks after acceptance of (T0) and
texturing of tools. Bulk supplies should start within 1 week from the date of
clearance of Tl samPles.
Third party inspection is required for the above said scope of works' Detailed Quality
nr.rtin"6 prah (Onp) for the items is to be followed as per Annexure-H
02.
03.
04.
05.
(WPAT. CG)
Lb*+ Page 1 of 2
06. Raw Material for Tooling and Plastic Components:
Raw material used for Manufacturing of Moulding Tool for WPAT-CC should be,
Mould Base: C45 and for both Core & Cavity: IMPAX SUPREME (P20; 1.2738) and
needs to procure from reputed OEM brands, the supplier has to submit test certificate
for the same from the reputed laboratories/approved NABL laboratories.
Raw material used for production of WPAT-CC units should be virgin material and
needs to be procured irom reputed OEM brand. The make should be intimated to
ECIL. For the raw material used, the supplier has to submit test certificate from the
reputed laboratories/approved laboratories for at least two lots of material procured.
The weight 1isted in Annexure F Table ( i ), for all individual parts are tentative, any
variation of weight shall be in the supplier's account.
Items that are to be joined by Ultrasonic Welding as indicated in the respective
drawings should be supplied in welded condition during delivery by the supplier'
Horns and Fixtures required for Ultrasonic Welding are in the supplier's scope. ltems
that are to be joined by using adhesives as mentioned in the respective drawings are
be fixed using proper iOfresive to suit the requirement. Grade of adhesive should be
intimated to ECIL and should be used on approval from ECIL.
Color: Sample shade coupons should be approved jointly by Supplier and QC/Design
Engineers before bulk production supplies start. Variations in color from batch to
batih of the items supplied will not be accepted'
Screen printing on required components are in the scope of the supplier. Details and
Color oi screen printing are provided in the drawings attached as per Annexure-F,
Table ( iv ). Samples of-items with screen printing should be approved by ECIL before
bulk production suPPlies start.
Assembly instructions are available in the Assembly drawings as per Annexure-F,
Table ( i; ) Moulded plastic components, Metal components, Hardware, Foam etc.,
as mentioned in Annexure-F are in supplier's scope and should be assembled to
complete WPAT-CC for deliverY.
Fully Assembled WPAT-CC Unit shall be packed by using polyethylene packet
during supply to EMSD.
For further clarifications supplier may contact EMSD purchase.
09.
07.
08.
10.
11.
12.
13.
Page 2 of 2
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Scale of Sampling and Criteria for Conformity for Routine Tests
A-1 Scale of Sampling
A- 1.1Lot
ln any consignment, all the VVPAT carry cases of same size and type made from same raw materials and
manufactured under similar conditions shall be grouped together to be considered as a Lot
A-t.2
For ascertaining the conformity of the WPAT carry case to the requirements of the specification,
samples shall be tested from each lot separately
A- 1.3
The number of WPAT carry case to be selected from a lot shall depend on the size of the lot and shall be
according to Table 3 below for WPAT carry case
A-1.4
The WPAT carry case shall be selected at random from the lot. ln order to ensure the randomness of
selection procedures given in lS 4905: 1968 may be followed.
A-2 Number of Tests and Criteria for Conformity:
A-2.1 Visual, Dimensional, Requirements, Color, Weight, Marking
Each of the WPAT carry case selected and shall be examined for the tests. WPAT carry case failing to
satisfy one or more of these requirements shall be considered as defective. The lot shall be deemed to
have satisfied these requirements if the number of defectives found in sample is less than or equal to
the corresponding acceptance number.
A-2.2
Transport Worthiness Test is onetime test which will be carried out during qualification stage. lf the
transport worthiness testing facility is not available at Manufacturer's premise, it can be conducted at
llP, Mumbai.
Page 4 of 9
Rev.00
@t< An nexu re-H
A-3 Physical & Mechanical Characteristics
3.1 Stack Load Test:
The stack load test for WPAT carry case when tested as prescribed in lS 7028 part -1,2002 there should
not be any damage, crack or permanent deformation or any other failure after the test. Stack 04 No's of
WPAT carry case for a period of 24 hours with load equivalent to WPAT carry case assembly (Max of
7.5 Kgs). After Test Duration examine the test item for any permanent deformation or failure etc.
3.2 Vibration Test:
The vibration test for WPAT carry case when tested as prescribed in lS 7028 part -2 2OO2 ( Method B)
there should not be any damage, crack or permanent deformation or any other failure after the test at
fixed low frequency.
3.3 Impact Tests:
3.3.1 Horizontal Impact Test:
The Horizontal lmpact test for WPAT carry case when tested as prescribed in lS 7028 part -3 2002 there
should not be any damage, crack or permanent deformation or any other failure after the test.
3.3.2 Vertical !mpact Drop test:
The Vertical lmpact drop test for WPAT carry case when tested as prescribed in lS 7028 part -42002
(1.0 meter Height) along with load equivalent to one WPAT carry case assembly ( Approx 7.5 Kgs) there
should not be any damage, crack or permanent deformation or any other failure after the test.
3.3.3 Water Spray Test
The Water Spray test for VVPAT carry case when tested as prescribed in lS 7028 part -8 2002 water
should not enter into the WPAT carry case observed by filter paper and should not show any
damage/crack failure or difference in color of the VVPAT carry case.
3.3.4 De-latching Test
Carrying case should be de-latched and latched for 50 times (Minimum - 25 cycles) there should not be
any crack, damage to the latchet and shall not be in loose condition which may damage WPAT.
at
\-
Rev.00
Page 5 of 9
@K An nexure-H
3.3.5 Handle PullTest
The handle Pull test to be carried on the WPAT carrying case along with load equivalent to one WPAT
carry case assembly (Approx 7.5 Kgs) at ambient temperature for 30 minutes. After the test there should
not be any visual deformation, crack, damage or failure.
3.3.5 Weathering & Performance Test
The weathering & performance test for VVPAT carry case to be tested as per ASTMG 155 or equivalent
for a minimum service performance of the product of 10 years. Relevant data sheets from NABL
approved/ accredited lab and test reports to be submitted.
3.3.7 One Time Qualification test
All the tests listed in table 2 are to be conducted on the WPAT carry case before and after conditioning
given below (Condition ll and Condition lll) in any NABL approved/ accredited lab and test reports to be
submitted.
A-4 Conditioning
Condition the carrying case as per lS 7031: 20O2in the conditioning chamber for 24 hours prior to test
conducted at -18 t 2'C and 55 t 2'C
Condition l: Ambient Temperature (27 ! 2 'C for 24 hours)
Condition tl: Elevated Temperature (551 2"Cfor 24 Hours)
Condition Ill: Low Temperature (-18 t 2"Cfor 24 Hours)
Rev.00
Page 6 of 9
@td An nexu ne-H
Table 2 Type Test
Table 3 Scale of Sampling and Criteria for Conformity
The list of test facilities to be available at Vendor/ Manufacture site:
1. Melt flow index test
2. Density test
3. Filler content test
4. Stack load test
5. Vibration test
6. De - Latching test
7. Handle pull test
8. Critical Dimension (Required measuring instruments)
9. Weighing balance
10. Conditioning Chamber for Condition
\^Rev.0O
^aY>-
Physical & Mechanical Characteristics
S. No. Name of Test As per Clause No.
t Stack Load Test 3.1
2 Vibration Test 3.2
3 Horizontal lmpact Test 3.3.L
4 Vertical lmpact Test 3.3.2
5 Water Spray Test 3.3.3
6 De-latching Test 3.3.4
7 Handle PullTest 3.3.5
8 Weathering & Performance Test 3.3.6
9 Onetime Qualification Test 3.3.7
SL. No Lot Size Sample size
Accept ifNumber are less
than or equal
Reject if Numberare more than or
Equal
Up to 3000 No's L3 1 2
il 3000 to 10000 No's 20 2 3
ilt 10000 to 35000 No's 20 2 3
PageT of 9
@t< An nexure-H
Requirements:
B-1 Construction of carrying case
WPAT Carry case consists of Top & Bottom Housings assembled with hinge pin and latches. The case is
used for packing, storage, transportation and handling of WPAT printer with suitable locking/ sealing
arrangements and fitted with handle and proper cushion in the box.
B-1.1 Material of Construction
WPAT shall be manufactured from plastic material which assures guarantee for long term service and
weathering performance for a period of 10 years to meet all quality norms as prescribed under.
Top Housing, Bottom Housing, and Latches & Handle of carrying case
Raw Material Properties- Granules
Moulded parts
Melt Flow lndex8-16 gm/10 min at 2.LGkg load and 230" C-
For Moulded Part
Density @ 27"C 0.91-0.94 gm/cc - For Moulded Part
MaterialPolypropylene Compound( Compounded withadditive for high impact)
Gradelpylene 8010- Ocean Blue RAL 5020lpylene 8010- Telegrey- 4 RAL 7047
Melt flow lndex(As perASTM D-1238)
7-12 emlTO min at 2.1.6 kg load and 230" C- For
Raw Material
Density @ 27" C 0.92 -0.95 gm/cc- For Raw Material
Flexural Modulus 7500-9500 kg/cm2
lzod lmpact Strength( Notched) 23-30Klm2
Tensile Strength at Yield L8-24 MPa
Filler/Ash Content 5% Maximum
Rev.00
Page 8 of 9
@t< An nexure-H
B-2 General Characteristics and Dimension
B-2.1 Design & DimensionThe critical dimensions shall be complied with (L X W X H): As per General Assembly Drawing.
B-2.2 Thickness
The minimum thickness is 2.5mm across all surfaces of the plastic parts. However a maximum of 3.0mm
exists on bottom surface ofthe bottom housing.
B-2.3 Weight
8-2.3.1- The minimum weight of empty carry case shall be 2.5 !2% kilograms.
8-2.3.2- Weight of WPAT carry case assembly when WPAT is packed with all other accessories is 7.5 Kgs
(Approx)
B-2.4 Color & Texture
B-2,4.L WPAT Top cover- RAL 5020 (Ocean BIue) - Matt Texture
B,-2.4.2 WPAT Bottom Housing, Handle- RAL 7047 (Telegrey-4) - Matt Texture.
B-2.5 Packing Material- Polyethylene foam (White)- 10 to 15 mm Thick
8-2.6 Gasket Material- Nitrile Butadiene Rubber (NBR)'
B-2.7 Metal Parts (Hinge)- Main Hinge pin and Handle hinge pins- SS 304.
L^-''*
Rev.00
Page 9 of 9