| Quality Assurance Plan for PVC Cables |
| For |
| PVC INSULATED, PVC SHEATHED ARMOURED OR UNARMOURED POWER & CONTROL CABLES UP TO AND INCLUDING 1.1 KV GENERALLY AS PER IS :1554(Pt :1)/1988 |
| Sr. No. |
Component |
Characteristic & Operation |
Type of Check |
Quantum of Check |
Reference Documents & Acceptance Norms |
| |
| 1 |
INPROCESS |
| 1.1 |
Construction details |
VISU |
At start |
Job order |
| 1.2 |
Aluminium Drawn Wire |
| |
1.2.1 Diameter 1.2.2. T.S. 1.2.3. wrapping |
MEAS |
1 Sample/set |
J.O & Std. Chart |
| MECH |
do |
IS:8130 |
| MECH |
do |
do |
|
|
|
|
|
|
| 1.3 |
Copper |
|
Drawn Wire (After Annealing) |
|
|
|
|
|
1.3.1 Diametder 1.3.2% Elongation 1.3.3 Resistance (for solid conductor) |
MEAS |
1 Sample/Set |
J.O.& Std. chart |
|
|
MECH |
do |
IS:8130 |
| ELEC |
do |
do |
|
|
|
|
|
|
| 1.4 |
Stranding |
1.4.1 Construction, 1.4.2 No of strand, 1.4.3 Dia. Of strand, 1.4.4 Resistance |
VISO |
1 Sample/set |
J.O. & Std. Chart |
|
VISO |
do |
do |
| MEAS |
do |
do |
| ELEC |
do |
IS:8130 |
| 1.4.5 LAY6 DIRECTION OF OUTER LAYER |
VISU |
do |
J.O. & Std Chart |
| 1.4.6 Overall Dimension |
MEAS |
do |
do |
|
|
|
|
|
|
| 1.5 |
Core Insulation |
|
|
|
|
|
1.5.1 Type of conpound |
PHYS |
Start of Proc's |
J.O. & Std Chart |
| 1.5.2 Thickness |
MEAS |
do |
do |
| 1.5.3 Spark Test |
ELEC |
100% |
Voltage Std.Chart |
| (On Line) |
|
|
|
| 1.5.4. Core Identification |
VISE |
Start of Proc's |
J.O. & Std Chart |
|
|
|
|
|
|
| 1.6 |
Core Vulcalisation (where required) |
|
|
|
|
1.6.1 Material under process |
VISU |
Start of Proc's |
J.O &/or, Std Chart |
| 1.6.2 Time of Curing |
MEAS |
MEAS Each Charge |
Std.Chart |
|
|
|
|
| PLANT QUALITY ASSURANCE PLAN |
|
|
|
| For |
| PVC INSULATED, PVC SHEATHED ARMOURED OR UNARMOURED POWER & CONTROL CABLES UP TO AND INCLUDING 1.1 KV GENERALLY AS PER IS :1554(Pt :1)/1988 |
| 1.7 |
Laying Up. |
1.7.1. No. of corse |
VISU |
Start of Proc's |
J.O. & Std. Chart |
|
1.7.2. Identification of corse |
VISU |
do |
do |
| 1.7.3. lay direction |
VISU |
do |
do |
| 1.7.4. Lay Length |
MEAS |
do |
do |
| 1.7.5 Binder Tape |
|
|
|
| 1.8 |
Inner Sheath |
1.7.5.1. Material |
VISU |
do |
do |
|
1.8.1. Material |
|
|
|
| 1.8.1.1. PVC Extruded |
VISU |
Start of Proc's Job |
Order |
| 1.8.1.2. PV C Tape |
VISU |
do |
do |
| 1.8.2. Thickness |
|
|
|
| 1.8.2.1. PVC Extruded |
MEAS |
start of Proc's |
do & Std Chart |
| 1.8.2.2.PVC Tape |
MEAS |
do |
do |
|
|
|
|
|
|
| 1.9 |
Armouring |
|
1.9.1 Material |
VISU |
Start of proc's |
J.O. |
| 1.9.2. No of RW/EW (strip) |
VISU |
do |
J.O. & Std, Chart |
| 1.9.3. Lay direction |
VISU |
do |
do |
| 1.9.4. Dimension RW/EW(strip) |
MEAS |
do |
do |
| 1.9.5. Lay Length |
MEASE |
do |
do |
| 1.9.6. Dia over armour |
MEAS |
do |
do |
|
|
|
|
| 1.10.0 |
Outer sheathing |
|
1.10.1. Material |
MEAS |
do |
do & Std. Chart |
| 1.10.2 Thickness of Sh. |
MEAS |
do |
do & Std. Chart |
| 1.10.3 Overall dia |
MEAS |
do |
do |
| 1.10.4 Embossing |
VISU |
do |
do |
| 1.10.5 Cable length |
MEAS |
100% |
do |
|
|
|
|
|
|
| 2.0.0 |
FINAL TESTING |
|
2.1 Routine test |
|
|
2.1.1.Conductor Resistant |
ELEC |
Each Length |
IS:8130 |
|
|
2.1.1 H.V.Test |
ELEC |
do |
do |
| 2.2 |
Type Test |
|
|
2.2.1 Conductor |
|
|
|
| 2.2.1.1. Annealing test(Cu) |
MECH |
1 Sample/Size/Lot |
IS: 8130 |
| 2.2.1.2. tensile strength(Al) |
MECH |
do |
|
| 2.2.1.3.Wrapping Test(Al) |
MECH |
do |
do |
| 2.2.1.4 Conductor resistant |
ELEC |
do |
do |
| PLANT QUALITY ASSURANCE PLAN |
| For |
| PVC INSULATED, PVC SHEATHED ARMOURED OR UNARMOURED POWER & CONTROL CABLES UP TO AND INCLUDING 1.1 KV GENERALLY AS PER IS :1554(Pt :1)/1988 |
|
2.2.2 Insulation |
|
|
|
| 2.2.2.1 Thickness |
MEAS |
do |
IS: 1554(I) |
| 2.2.2.2Before ageing |
|
|
|
| 2.2.2.2.1 Tensil Strength |
MECH |
do |
IS: 1554(I) |
| 2.2.2.2.2 % Elongation at Break |
MECH |
do |
do |
| 2.2.2.2.3 After ageing |
|
|
|
| 2.2.2.2.3.1 Tensile strength |
MECH |
do |
IS: 1554(I) |
| 2.2.2.2.3.2 % Elongation at Break |
MECH |
do |
do |
| 2.2.2.4 Shrinkage |
PHYS |
do |
do |
| 2.2.2.5 Volume resisivity/ins resistant |
ELEC |
do |
do |
|
|
|
|
|
|
|
|
| 2.2.3 Inner sheath |
|
|
|
| 2.2.3.1 Material |
VISU |
do |
IS: 1554(I) |
| 2.2.3.2 Thickness |
MEAS |
do |
do |
|
|
|
|
| 2.2.4.Armouring |
|
|
|
| 2.2.4.1 Dimension |
MEAS |
do |
IS:3975 |
| 2.2.4.2.Mass of Zink coating |
CHEM |
do |
do |
| 2.2.4.3.Uniformity of Zink Coating |
CHEM |
do |
do |
| 2.2.4.4.T.S & E.S |
MECH |
do |
do |
| 2.2.4.5 Torsion (for RW only) |
MECH |
do |
do |
| 2.2.4.6.Winding Test (FW only) |
MECH |
do |
do |
| 2.2.4.7 Resistant (if specification) |
ELEC |
do |
IS: 1554(I) |
| 2.2.5 Outer sheath |
|
|
|
| 2.2.5.1 Material |
VISU |
do |
IS: 1554(I) |
| 2.2.5.2 Thickness |
MEAS |
do |
IS: 1554(I) |
| 2.2.5.3 Before Ageing |
|
|
|
| 2.2.5.3.1 Tensil Strength |
MECH |
do |
IS: 5831 |
| 2.2.5.3.2.%Elnogation at break |
MECH |
do |
IS: 5831 |
|
|
|
|
|
|
|
|
|
|
|
|
| 2.2.5.3.3 After Ageing |
|
|
|
| 2.2.5.3.3.1. Tensile Strength |
MECH |
DO |
IS:5831 |
| 2.2.5.3.3.2 % Elongation atbreak |
MECH |
DO |
IS:5832 |
| 2.2.5.4. Heat Stock |
THER |
DO |
DO |
| 2.2.5.5. Shrinkage |
PHY |
DO |
DO |
| 2.2.5.7. Thermal Stability |
PHY |
DO |
DO |
|
| PLANT QUALITY ASSURANCE PLAN |
| PVC INSULATED, PVC SHEATHED ARMOURED OR UNARMOURED POWER & CONTROL CABLES UP TO AND INCLUDING 1.1 KV GENERALLY AS PER IS :1554(Pt :1)/1988 |
|
2.2.5.8. Loss of mass |
PHY |
DO |
DO |
| 2.2.2.9. Hot deformation |
PHY |
DO |
DO |
| 2.2.5.10 Oxygen & temp. Index (for FRLS PVC only) |
CHEM |
DO |
ASTMD 2863 |
| 2.2.5.11. Acid Gas Generator (for FRLS PVC only) |
CHEM |
DO |
IEC 754(I) |
| 2.2.5.12. Smoke Density Rating (for FRLS PVC only) |
PHY |
DO |
ASTMD 2843 |
| 2.2.6. Test on completed cable |
|
|
|
| 2.2.6.1. H.V. test at room temperature |
ELECT |
DO |
IS: 1554(I) |
| 2.2.6.2. Flamability test(for non FRLS OPVC sheath) |
PHY |
DO |
DO |
| 2.2.6.3.IEEE Flamability test (forj FRLS PVC only) |
PHY |
DO |
IEEE 383 |
| 2.2.6.4. IEC flammability test (for FRLS PVC only) |
PHY |
DO |
IEC 332(I) |
| 2.2.6.5. Swedish chimnehy test for FRLS below 70mm overall cable dia only) |
PHY |
DO |
IEC 332(I) |
| 2.2.6.6. |
MEAS |
DO |
Job Order |
| 2.2.6.7. Identification on cable |
VISU |
DO |
Job Order |