Sr. no. Document Clause no /Sr.No of BOQ

Description Query Query raised by AEMLRemark Inclusion in Corrigendum

A1 NIT  NIT  Qualifying criteria ‐ Clarification The registered bidders who have not 

supplieed cables for last 4‐5 years, a fresh visit to their plant shall be conducted by AEML while evaluating them.

Yes

2 NIT  ‐ Spec for control cables ‐ Clarification Attached as Annexure Yes3 Tech Spec

SP‐CES‐EL‐LT‐CBL‐R012.1.5A Binder tape Binder tape or rubberised cotton 

tapeClarification Rubberised cotton tape as per AEML spec. Yes

4 Tech SpecSP‐CES‐EL‐LT‐CBL‐R01

3.0.0 Type test on one cable drum of eachtype/rating, from the first lot, shall beconducted at Govt.‐approved /Internationally accredited labs.

Shall the sample be tested from 3rd party NABL accredited Lab?

Clarification Only CPRI/ERDA testing acceptable Yes

5 Tech SpecSP‐CES‐EL‐LT‐CBL‐R01

3.0.0 b Drum marking ‐ Clarification Progressive (sequential) length ofcable at every meter, starting from zero for everydrum.Drum no to be printed along with sequential marking.

Yes

B1 SCC Payment Terms LC payment terms Revised Payment Terms as 100% payment 

with in 60 days(Credit) from the date of receipt & acceptance of material at store.(45 Days‐Credit for MSME Vendors).

YES

2 Open Tender NIT EMD value Reduction in EMD value Revised EMD value is Rs.12 Lakhs Yes

Commercial Points

Pre‐Bid Meeting ‐LT cables(NIT NO AEML/MDB/2019‐20/11)Technical QueryParticipants:

1. KEI‐ Mr. N L Parab2. Ravin ‐ Mr. Prakash Lakhkar3. KEC ‐ Kaushik Waghela4. Polycab ‐ Mr. Sachin Gupta & Mr. Mushtaq Shaikh5. RR Kabel ‐ Mr. Smit Shah6. Laser cables ‐ Mr.Aniruddha banerjee & Mr.Suresh Kedia7. Zenium Cables ‐ Mr.Sachin Dhorlekar8. AEML‐ Ashweni Jain, Damodar Sahasrabudhe, Tanu Srivastava, Deep Muntode, Devendra Mahajan

MOM: 

1. AEML explained the scope of supply, Technical Specification requirements to Bidders. 2. During pre‐bid meeting, Bidders raised queries, response of which is attached herewith.3. In case Bidders wish to send additional Technical queries, they can send mails to CES Dept. with a copy to CPG.

Technical Points

Specification No. SP-CES-EL-LT-CBL-R01 Rev No. R01

Prepared By Checked By Reviewed By Approved By Date

05/04/2019

TS AKJ DRS SPS PVC

Technical Specification on LT cables

Index

1. Revision Record…………………………………………………………………..................................3

2. General Specification………………………………………………..........................................4

3. Annexure A : Scope, Documentation and Delivery Schedule……………................................16

4. Annexure B : Guaranteed Technical Particulars (GTP)……………………....................................18

5. Annexure C : Service Conditions…………………………………………………................................................23

Revision Record

Item/ clause

no: Nature of Change

Approved by

Rev.

No. Revision

record Revision record added. DSP/AM R1

6.0.0 Drum lengths revised size-wise DSP/AM R1

2.1.6 Batch No./ Lot no. added for embossing DSP/AM R1

Annexure – B -GTP. 9.0.0

Eccentricity of insulation - added DSP/AM R1

2.1.4 Ovality over the core added. DSP/AM R1

2.1.6 Anti-Tracking & Anti-rodent properties for outer sheath - added

DSP/AM R1

5.0.0 Cross-sectional drawings – details stated. DSP/AM R1

2.1.5 Armour coverage percentage calculation - added DSP/AM R1

Annexure – A - Scope / Documentation / Delivery - added.

DSP/AM R1

Annexure – B - Combined GTP prepared for Multi-core and single core cables.

DSP/AM R1

Annexure – C Service Conditions - added.

DSP/AM R1

GENERAL SPECIFICATION

1.0.0 Codes & Standards :

The cables shall be designed, manufactured and tested in accordance with the following Indian & IEC standards.

National Standards

IS- 7098

Part-1 Cross-Linked Polyethylene Insulated PVC sheathed

cables (For working voltage upto & including 1100 V)

IS 1554 Part-1 PVC insulated Cables

IS- 6474 : 1984 Polyethylene insulation & sheath of electric cables.

IS- 5831 : 1984 PVC insulation & sheath of electric cables.

IS- 10810 : 1984 Methods of test for cables.

IS- 8130 : 1984 Conductors for insulated electric cables and flexible cords.

IS- 3975 : 1999 Mild steel wires, formed wires and tapes for armouring of cables.

IS 613 Copper Rods and Bars for Electrical Purposes - Specification

International Standards

IEC 228 Conductors of insulated cables. Guide to the

dimensional limits of circular conductors.

IEC 331 Fire resisting characteristics of electric cables. IEC 332 - 3 Tests on electric cables under fire conditions. Part 3:

Tests on bunched wires or cables.

IEC 502 Extruded solid dielectric insulated power cables for rated voltages from 1kV to 30 kV.

IEC 754 - 1 Test on gases evolved during combustion of materials from cables. Part 1: Determination of the amount of halogen acid gas evolved during combustion of polymeric material taken from cables.

IEC 811 Pts 1 through 5

Common test methods for insulating and sheathing materials of electric cables.

IEC 885 Pts 1 through 3

Electric test methods for electric cables.

IEC 304 Standard colours for insulation for low frequency cables and wires.

IEC 227 01-1 through 6 PVC insulated cables of rated voltages up to and including 450/750 V.

IEC 1034 Pts 1 & 2 Measurement of smoke density of electric cables burning under defined conditions.

IEC 28 International Standard of Resistance for Copper IEC 60840 Tests on extruded power cables

International Standards

IEC 60228 Conductors of insulated cables. Guide to the dimensional

limits of

circular conductors. IEC 60331 Fire resisting characteristics of electric cables.

IEC 60502 - 2 Extruded solid dielectric insulated power cables for rated voltages

from 1kV to 30 kV. IEC 60811 Pts 1 through 5

Common test methods for insulating and sheathing materials of

electric cables. IEC 60885 Pts 1 through 3

Electric test methods for electric cables.

IEC 60304 Standard colours for insulation for low frequency cables and wires.

IEC 60227 01 - 1 through 6

PVC insulated cables of rated voltages up to and including 450/750

V. IEC 1034 Pts 1 & 2

Measurement of smoke density of electric cables burning under

defined conditions. IEC 60028 International Standard of Resistance for Copper

IEC 60840 Tests on extruded power cables

ASTM-D-2843

® Smoke Density Rating as per ASTM

ASTM-D-2863

® a)

b)

Oxygen Index Test

Temperature Index IEC 60754 - 1 Test on gases evolved during combustion of materials

from cables. Part 1: Determination of the amount of

halogen acid gas evolved during combustion of

polymeric material taken from cables.

(HCL gas emission test - by weight) IEC 60332 – 1 Tests on electric cables under fire conditions :

Test for vertical flame propagation for a single insulated wire or cable.

IEEE - 383 Flame Retardancy Test - Ladder Test

SS-424-14-75

® Swedish Chimney Test

BICC Handbook Chapter 6 on Cable in fire

2.0.0 Cable Construction Features

This Specification generally covers following types / sizes of

L. T. Cables used in network in Mumbai Discom area (mostly

under-ground) or any Project site (mostly over-ground) :

Note : (Ref. : Table stating Cable sizes given below.)

a) Cable Designation :

As per IS, cable designation shall comprise of

following codes / options, as applicable for this

Specification :

(N.A. - Not applicable in this Specification)

- (with Copper conductor)

A Aluminium conductor

--------------------------------------------------------

2X XLPE insulation

--------------------------------------------------------

W Steel round Wire armour

W W Double steel round Wire armour (N.A.)

Wa Non-magnetic round Wire armour

(mostly, aluminium,

hard-drawn H4 grade) F

Steel formed wire

(strip) armour

FF Double steel formed wire (strip) armour (N.A.)

Fa Non-magnetic formed wire (strip) armour (N.A.)

- (un-armoured or without armour)

--------------------------------------------------------

Y PVC outer sheath

b) Standard cable sizes

are marked as **

(appearing in this

colour).

c) Cable sizes for Transmission

Project are marked as ***

(appearing in this colour).

d) Single-core Cables (1c x 500 and 1c x 630 sq. mm) with

FRLS properties are included in the List of Cables below

in this colour. Also, relevant text from following

Specification for these 1-core Cables, is also incorporated

in this Specification :

Sr. No.

Description Cable Code (a)

Multi-core Cables 1 1.1 kV, 2c x 25 sq. mm. Al A2XFY 2 1.1 kV, 4c x 25 sq. mm. Al (b) A2XFY

3 1.1 kV, 4c x 50 sq. mm. Al (b) A2XFY

4 1.1 kV, 3.5c x 150 sq. mm. Al (b) A2XFY

5 1.1 kV, 3.5c x 300 sq. mm. Al (b) A2XWY Or A2XFY

Single-core Cables 6 1.1 kV, 1c x 500 sq. mm. Al (unarmoured) (

d)

A2X-Y

7 1.1 kV, 1c x 500 sq. mm. Al (armoured) A2X-WaY

8 1.1 kV, 1c x 630 sq. mm. Al (unarmoured) (d)

A2X Y A2X Y

The L. T. Cables shall be suitable for laying under-ground

(buried, with chances of flooding by water) or for laying on

racks, in ducts, trenches, conduits, and so on. Purchaser to

state specific usage / requirement (refer Annexure-D). ®

Description of each item mentioned in the Specification (the

text, BOQ, GTP or Site Specific Requirement) shall be

followed, along with IS : 7098 – Part 1.

2.1.1 Conductor Aluminium conductor Electrolytic Grade Stranded Aluminium Conductor

Grade : H2 / H4 (hard-drawn) as per IS: 8130 / 84

Shape of Cables i) Stranded Compacted Circular :

-- for mult-core cables, sizes upto

10 sq. mm.

-- for single core cables.

ii) Stranded Compacted Sector-shaped : for

multi-core cables, sizes from 16 sq. mm. and

above.

2.1.2 Insulation a) Extruded XLPE (Cross-Linked Poly-Ethylene)

Insulation

b) Entire XLPE Insulation shall be coloured

(pigmented), as per phases / neutral, as given below

:

(ref. IS : 7089 Part-1)

i) For 3.5-core and 4 -core cables :

Colour : red, yellow, blue, black

ii) For single-core cables : Colour : natural (non-pigmented)

2.1.3 Core Identification a) As per Cl.10 of IS 7098 Part-1.

b) Also refer Cl. 2.1.2 (Insulation) and the GTP.

2.1.3A Core Binding Tape Core binding tape shall be with 50 % overlap.

2.1.3B Filler Fillers, where applicable, shall be of non-hygroscopic

material, compatible with the temperature ratings of the

cable and shall have no deleterious effect on any

component of the cable

2.1.3C Binding Tape over Laid-up cores

Thickness of this tape shall not be construed as part of the thickness of Inner Sheath.

2.1.4 Inner Sheath (common

covering) a) Extruded Inner Sheath of PVC type ST-2 (IS 5831), for

multi-core Cables.

b) Colour - Black

c) Shape over the inner sheath shall be circular. Ovality

check shall be carried out, as applicable.

d) If Cable is 1-core, then there shall be no inner

sheath. However, then in place of inner sheath, there

shall be a protective barrier, of type depending on

whether the 1-core Cable is with armour or un-

armoured, as per manufacturer’s

standard.

2.1.5 Armour a) i) Armour shall be as per cable codes as indicated in the table in the beginning

ii) However, as per IS, if the diameter below armour is

upto & including 13 mm, the armour shall be

:Galvanised Steel Round Wire, as applicable.

b) Single core cables of standard sizes of 500 sq. mm.

and 630 sq. mm., are normally used between Distribution

Transformers and L.T. Panels in a sub- station. Hence,

these single-core sizes shall be without armour (un-

armoured).

[ Note : Armouring, if required for 1-core Cables, it

shall be of Aluminium round wire H4 grade. ]

Area of Coverage of armouring shall be 90 % minimum. (Armour coverage percentage calculation shall be submitted.)

2.1.5A Binder Tape Rubberised Cotton Tape (desirable)

2.1.6 Outer Sheath a) Extruded outer sheath of PVC (Poly-Vinyl Chloride)

compound, conforming to the requirement of ST-2

type compound (ref. IS : 5831), with anti-termite

and anti-rodent properties.

b) Shape of the completed cable over the outer

sheath shall be circular

c) Ovality check shall be carried out.

d) Colour :

Yellow - For Multi-core cables

e) Black - For Single-core 500 / 630 sq. mm.)

f) The Outer Sheath shall be embossed with :

1. The voltage designation (1100 V)

2. Type of construction / cable code

(example : A2XFY)

3. Manufacturer’s Name or and Trade mark 4. Number of Cores and nominal cross-sectional

area of conductor

5. The drum progressive length of cable at

every metre, starting from zero for every drum.

Colour filled in in the progressive marking shall be with

proper contrast as follows :

i) Black colour shall be used for marking in case

of cables with Yellow colour for the outer

sheath.

ii) White colour shall be used for marking in case

of cables with Black colour for the outer

sheath.

6. Name of buyer/purchaser,

7. Month & Year of manufacturing

8. IS reference, i.e. IS : 7098

9. Lot no. / Batch no

10. Purchase Order Number & date

11. Word ‘FRLSH’, in case the cable is FRLSH type.

2.1.7 Sealing of Cable end Both ends of the cable shall be sealed with PVC Cap.

After fixing, the PVC cap shall be filled with P.

U. (Poly-Urethane) Compound through a cut provided in

the cap. Further, a Heat Shrinkable cap (H. S. cap) shall

be shrunk over the PVC cap to fully prevent any water

seepage through the cable end

(even though dipped in water).

3.0.0 Manufacturing Process for XLPE Insulation

a) Sioplas b) Dry cure / Gas cure

Testing & Inspection Tests shall be carried out in accordance with IEC /

ASTM / IS standards. a) Type Test

1) Cables must be of type tested quality. TTRs

(Type Test Report) shall be submitted for the

type, size & rating of cable offered along with

bid.

2) If the manufacturer’s lab is accredited by govt. /

authorised body, then it shall beacceptable for

type testing

3) Type test on one cable drum of each rating and

type, from first lot, shall be conducted at Govt.

approved / Internationally accredited labs.

4) Refer Annexure-C for Special Tests to be

carried out on Outer Sheath of FRLS Cables,

where applicable.

b) Routine Tests

1. Measurement of Electrical Resistance

(Conductor Resistance Test)

2. High Voltage Test,

with power frequency AC voltage, at room

temperature.

3. Measurement of Insulation Resistance (I.R.) c) Inspection

1. The Buyer reserves the right to witness all tests

specified on completed cables.

2. The Buyer reserves the right to inspect cables at the

Sellers works at any time prior to dispatch, to prove

compliance with the specifications.

3. In-process and final inspection call intimation shall be given in advance to purchaser

i) Acceptance test : ii) Shall be conducted as per Cl.15.2 of IS 7098 Part-1

for each lot of cable. iii) Ovality check over the cores and over the

completed Cables, as applicable. iv) Refer Annexure-C for Special Tests to be carried out

on Outer Sheath of FRLS Cables, where applicable.

v) Test certificates : Three sets of complete test certificates (routine & acceptance tests) need to be submitted along with the delivery of cables.

Drawing, Data & Manuals Refer Annexure – A also To be submitted along with

bid The seller has to submit as follows :

a) Cross-section drawing of cable :

Cross-Sectional Drawing shall show every feature of

construction, including the thickness / diameter over

every layer. This drawing shall also indicate the

embossing of text to appear over the outer sheath,

giving type/size, etc. of the cable, drum no./lot no.,

sequential marking over every meter (marking to

start from zero for every drum), font sizes to be used,

additional text, if any, etc. Also, Drum details,

markings to be made on both sides of the drum, and

so on.

®

b) Completely filled GTP

c) Type Test Report (TTR) Complete Cable Catalogue and Manual along with the bid.

After award of contract Within 15 days, the seller has to submit four sets of

above-mentioned drawings for buyer’s approval Final As Built 6 sets hardcopy + One Soft copy of all documents

including type test certificates Cable Drums Drum Length & tolerance :

For 2c x 25 sq. mm. cable drum :

1000 mm +/- 5 % For all other sizes : 500 mm +/- 5 %

Overall cable length for the

order +/- 2 % tolerance for the entire order.

Short length of cables a) Minimum acceptable short length shall be more

than 100 metres.

(Should it be “not less than 250 m”)

Manufacturer shall be required to take prior approvalfrom AEML (Engineering & Procurement) for any short length supply

b) Manufacturer shall not be allowed to put two cable pieces of different short lengths in same cable drum.

Packing, Shipping, Handling

& Storage

a) Packing i) Both the ends of the cables shall be properly sealed

to prevent any deterioration of the cable, due to

ingress of water, etc.

ii) Cable starting end shall project, outside the

completely wound cable, by sufficient length

enabling verify cable details, including the starting-

end length marking. ®

iii) Similarly,both ends of the cable shall be saddled

/ secured to the drum properly to prevent any

damage to the ends any time. ®

iv) Before putting on wooden planks, protective

covers (thick plastic sheets, etc.) shall be secured

over the wound cable, to avoid any abrasion by

wooden planks, over the outer sheath of the cable.

®

v) After providing the protective covers, the cable

drums shall be finally closed by wooden planks

(with saddles), without leaving any gaps between

the planks; i.e. 100 % covering

shall be ensured. ® b) Drum Identification

markings Direct markings (i.e. text painting through stencils, etc,)

shall be done on the drums, instead of attaching labels,

which may be misplaced/lost over a period of time. ®

1. Drum identification number

2. Cable voltage grade

3. Cable code (e.g. A2XFY, etc.)

4. Number of cores and cross sectional area

5. Cable quantity, i.e. cable length (Metre)

6. Purchase order number & date

7. SAP item code 8. Total weight of cable and drum (kg)

9. Manufacturer's Name

10. Buyer’s name

11. Month & Year of Manufacturing

12. Direction of rotation of drum

13. Cable length final end-markings

(i. e., initial reading and end reading seen on the cable shall be marked on the drum.)

c) Shipping information The seller shall give complete shipping information concerning the weight, size of each package

d) Transit damage The seller shall be held responsible for all transit damage due to improper packing.

e) Type of Drum and Drum handling

Steel / wooden drums, as per relevant IS / IEC.

i) Wooden drums shall be with M.S. spindle plate with

nut-bolts.

ii) Spindle Plate hole diameter : ®

for 25 / 50 sq.mm. cable drums : 80 mm dia. for

150 / 300 sq.mm. cable drums : 110 mm dia.

-- to suit spindle rod, while handling as per expected weight of the cable drums.

8.0.0 Quality Assurance 8.0.1 Vendor quality plan To be submitted for purchaser approval

8.0.2 Inspection points To be mutually identified & agreed in quality plan

9.0.0 Progress reporting 9.0.1 Outline Document To be submitted for purchaser approval for outline of

production, inspection, testing, inspection, packing, dispatch, documentation programme

9.0.2 Detailed Progress report To be submitted to Purchaser once a month

containing

i) Progress on material procurement

ii) Progress on fabrication (As

applicable)

iii) Progress on assembly (As applicable)

iv) Progress on internal stage inspection

v) Reason for any delay in total programme

vi) Details of test failures if any in manufacturing stages

vii) Progress on final box Constraints / Forward iv) path

10.0.0 Deviation a) Deviations from this specification are only

acceptable where the Seller has listed in his

quotation the requirements he cannot, or does not,

wish to comply with and the Buyer has accepted, in

writing, the deviations before the order is placed.

b) In the absence of a list of deviations, it will be

assumed by the Buyer that the Seller complies

fully with this specification.

Annexure - A

Scope, Documentation and Delivery Schedule

1. Scope

A. Scope Design, manufacture, testing at

manufacturer’s works before dispatch,

packing, delivery, unloading, stacking at

stores/site of L. T. Power

cables as per Bill of Quantity (BOQ). B. Delivery Schedule To be filled up on a case-to-case basis.

2. Document Submission

Submission of drawings, calculations, catalogues, manuals,

test reports shall be as follows :

(Legend : GTP - Guaranteed Technical Particulars,

TTR - Type Test Report, RTR - Routine Test Report)

Along with offer For Approval

(after award

of

contract)

Final documents

(after approval)

GTP 3 copies 4 copies + 1 soft copy

6 copies +

1 soft copy in CD Drawings 3 copies

(Typical drawings)

4 copies + 1 soft copy

6 copies +

1 soft copy in CD Calculations 3 copies

(Typical)

4 copies + 1 soft copy

6 copies +

1 soft copy in CD Catalogues &

Manual

1 copy 6 copies +

1 soft copy in CD Test Report 2 copies of TTR

and

sample RTR **

6 copies +

1 soft copy in CD

1. Delivery Schedule

a) Delivery period Start Date : from date of LOI

b) Delivery period End Date : as agreed with supplier

c) Material dispatch Clearance : after inspection by purchaser

Annexure – B

GUARANTEED TECHNICAL PARTICULARS (GTP)

(For Multi-core and Single-core Power Cables)

Note : 1) Each data shall be given for every type / size of

cable. Seller may give separate GTP for every

type / size of cable, if necessary.

2) GTP shall be read in line with purchaser’s Site Specific Requirement.

Sr. No.

Description Unit Buyer’s requirement Seller’s Data

1.0 Purchase Req. No. 2.0 Guarantee Period (Min.) 60 Months (from date

of commissioning) / 66 Months (from date of receipt at purchaser’s store) whichever is earlier

3.0 Applicable IS Standard followed by vendor

IS 7098 Part-1

4.0 Make 5.0 Type (1.1 kV)

Multi-core Cables

1.1 kV, 2c x 25 sq. mm.

Al A 2X F Y

1.1 kV,

4c x 25 sq. mm.

Al A 2X F Y

1.1 kV,

4c x 50

sq. mm.

Al A 2X F Y

1.1 kV, 3.5c x 150 sq. mm.

Al A 2X F Y

1.1 kV, 3.5c x 300 sq. mm

Al A or A

2X 2X

W Y

F Y

Single-core Cables

1.1 kV, 1c x 500 sq. mm.

(unarmoured) (d)

Al A 2X - Y

1.1 kV, 1c x 500 sq. mm.

(armoured) (d)

Al A 2X Wa Y

1.1 kV, 1c x 630 sq. mm.

Al A 2X - Y

(unarmoured) (d)

6.0 Voltage Grade kV 1.1 7.0 Cable Condition Conductor temperature

/ Insulation required

Cables used for Power needs : Expected Maximum Conductor temperature during :

i) Normal Continuous Operation

deg. C 90°C

ii) Short time Circuit Condition

deg. C 250°C

iii) Due to (i) and (ii) above XLPE Insulation adopted.

8.0 Conductor Grade : H2

as per IS: 8130 / 84

a. Material and Grade b. Size sq. mm. As shown

under 5.0 above

c. Wires in each conductor Nos. As per Manufacturer standard /

as per IS 8130

d. Conductor Shape Multi-core

/ Single- core

As per Cl. 2.1.1

e. Dia. of wires in each conductor before compaction

mm As per Manufacturer Standard

f. Diameter over conductor mm g. Maximum Conductor

resistance at 20 C

ohm / km

As per Table 2 of IS 8130

h. Longitudinal Water Barrier Protection ® (if required by purchaser)

Is it provided and shown in the cross-sectional drawing

? (Yes / No)

9.0 Insulation Extruded

XLPE

a. Insulation Material b. Make and grade of

Insulation compound

c. Nominal thickness As per Table 3 of IS 7098

Part-1

d. Minimum thickness mm

e. Eccentricity ® % As per Standards

f. Diameter over Insulation (Approx.)

mm

g. Ovality check over the core, As applicable. ®

%

10.0 Layers over the Insulation a Water Swellable tape

(if required by purchaser) ®

Project Site Specific Requirements

b. Cable core identification (By means of coloured insulation) ®

a) As per Cl. 10 of IS 7098 Part-1

b) For 3.5c / 4c cables : R,Y,B,BLACK

c) For 1-core cables : Natural

c. Diameter over laid up core (Approx.)

mm

11.0 Fillers

(Material and type) As per Cl. …….

a) For multi-core Cables Applicable (Specify no. & size of fillers at center & core interstices

for each type of cable.)

b) For single-core Cables Not applicable 11.0 Inner Sheath a. Material and type Extruded PVC type ST-

2

b. Minimum thickness As per Table 5 of IS 7098 Part-1

a) For multi-core Cables State thickness for each type of cable.

b) For single-core Cables Not applicable c. Colour Black d. Diameter over inner sheath

(apprx.) mm

12.0 Armour a) As per Table 6

of IS 7098 Part-1

b) As per manufacturer’s Standard

a. a) Multi-core cable No. G. I. Strip / G. I. Wire,

as applicable as per IS.

b) Single-core cable No. Not required b. Armour - GI strips

a) Width of strip b) Thickness of strip c) Number of strips

mm i) 4 x 0.8 ii) As per Manufacturer

Standard

c. Armour – wires (where applicable)

a) Diameter of wire b) Number of wires

As per IS 7098 Part-1

d. Approx. Equivalent Area sq. mm. e.

Area covered by Armour % Min. 90 % Calculation sheet shall

be attached. ®

f. Fault current carrying capacity of armour ® ---- Required ? -------

… kA for … sec.

Calculation sheet shall be attached.

G Dia. over Armour (apprx.) mm 13.0 Outer Sheath As per Table 8 of

IS 7098 Part-1

a. Material and type Extruded PVC (ST-2), with anti-termite and anti-

rodent properties b. FR-LSH Properties (as per

Site Specific Requirements) ®

If required by Purchaser -- Provided ?

– yes / no

c. Make & Grade of compound used

d. Thickness (minimum) As per IS 7098 Part-1 e. Colour For multi-core :

Yellow For single-core : Black

®

f. Embossing As per Cl. 2.1.6 (d) Provided - Yes / No

14.0 Overall diameter of Cable

(apprx.) mm

15.0 Standard drum length with

tolerance 500 +/- 5 %

(In case of 2c x 25 sq.mm., 1000 +/- 5 %)

16.0 Cable Drum ® a. Type of drum Steel / Wooden

(Specify the relevant IS

followed for drum design)

b. Drum markings - as per Specification

Provided ? - Yes / No

c. Markings on both faces - as required by purchser

Provided ? - Yes / No

d. Drums with M. S. spindle plates with nut-bolt arrangement

Provided ? - Yes / No

(Refer sizes in the Spec.)

17.0 - A

Cross-Sectional Drawing (ref. Cl. 5.0.0) ®

Is drawing submitted, showing every feature of constructions ?

(Yes / No)

- B Sealing End-Cap

(required at both the ends) PVC cap + P.U. Compound + H.S. cap

Is manufacturer’s drawing submitted ?

(Yes / No)

18.0 A

MS Spindle Plate & nut-bolt arrangement for drum

Provided -- Yes / No

19.0 Weights a) Net weight of cable (

apprx.) kg / km

b) Weight of empty drum Kg c) Weight of cable with

drum kg

20.0 Continuous current rating

for standard I. S. condition laid Direct

a. In ground 30 C Amp b. In duct 30 C Amp c. In air 40 C Amp 21.0 Short circuit current

carrying capacity of conductor

kA for 1 sec.

22.0 Electrical Parameters at

Maximum Operating temperature:

a. AC Resistance ohm / km

b. Reactance at 50 c/s ohm / km

c. Impedance ohm / km

d. Capacitance micro- farad / km

23.0 Recommended minimum

bending radius mm ……. x Overall Dia.

of Cable

24.0 Derating factor for following

Ambient Temperatures : Ground / Air

a. At 30 C b. At 35 C c. At 40 C

d. At 45 C e. At 50 C 25.0 Group factor for following

numbers of cables laid : Touching Trefoil

a. 3 Nos. b. 4 Nos. c. 5 Nos. d. 6 Nos. 26.0 Recommended pressure for

laying cable using power winch ® ------ Is it required ? ---------

N / sq. mm.

30 N / sq. mm. (to be checked)

27.0 Process of Cross linking of

Polyethylene Sio-plas cure / Dry cure

/ Gas cure

28.0 Type test ®

(TTR - Type Test Report) Applicable TTR no. and

date, pertaining to the type and size of cable being

offered here.

29.0 Quality Assurance Plan

(QAP) ®

Submitted ? - Yes / No

30.0 List of Sub-Vendors Is this list attached ? (Yes / No)

Annexure - C

Service Conditions

(Atmospheric / Soil conditions at Site)

A. Mumbai

a) Average grade

Atmospheric condition

Heavily polluted, salt-laden, dusty, humid

with possibility of condensation b) Average grade

Soil condition

Water-logged

c) Maximum altitude above sea

level

1000 M

d) Ambient air temperature Highest 45 deg C, average 35 deg C

e) Minimum ambient air

temperature

20 deg C

f) Relative Humidity 100 % Max

g) Thermal Resistivity of Soil 120 deg. C cm/W

h) Seismic Zone 3

i) Rainfall 3000 mm concentrated in four months

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