ACG Quality Handbook

STANDARD QUALITY FOR INSTALLATION OF RCP, RTCC, QAP no. QAP/Tech/Panel Installatio Sl. No. Item Category Type / Method of Check ABC D 1 Electrical Panel's Foundation 1.1 Foundation readiness Visual checks for Physical Damage. Major Measurement for Overall dimensions / Coordinate Orientation 1.2 Operational & Maintenance Major Visual check & Measurement of clearance to ensu Access adequate operational & maintenance access 2 Electrical Panel & accassories on arival BOM / Packing List Major Visual checks for Type / Make / Model / Rating / Q 2.1 verification including loose etc. Items (If any). 2.2 Cable Entry Hole Position. Major Visual check. 2.3 Electrical Panels Major Visual Check for any external / internal damage 3 Earthing arrangement of Panel 3.1 Earthing Major Visual Check for Double Earth 4 Signage 4.1 Signage/ Identification Major Visual Check for adequate signage 5 Final Documentation Documentation for records: i) Stage Inspection Reports / Test Certificates 5.1 Final Documentation Critical ii) CESC Standard Checklist (QCC/Tech/Panel Ins Work) iii) HOTO Checklist Note: This QAP shall be read along with PO and Technical Specifications. Any additional inspe Prepared by: DM (Con) Approved by: GM (Con) 2

Y ASSURANCE PLAN , ACDB, DCDB, BATTERY CHARGER on Work; Rev: 00; Dated: 26.03.2022 Extent of Reference document and Format of Records to be Remark check acceptance norms Record Furnished I E F GH e / Level / 100% Tech Specs/ Approved IR/QCC Yes ure 100% drawings -- No Tech Specs/ Approved drawings No No Quantity 100% Approved drawing -- Yes 100% Approved drawing -- No 100% Approved drawing IR/QCC Yes 100% Approved drawing -- 100% CESC guidelines IR/QCC stallation 100% CESC guidelines -- Yes ection test shall be performed as deemed appropriate. Issued by: SDM (Con) Reviewed by: BVIL 20

STANDARD QUALITY LAYING AND TERMINATIO QAP no. QAP/Tech/LT-Control Cable Sl. No. Item Category Type / Method C D AB 1 Before commencing of work Major Visual check of cable route. 1.1 Cable Laying route inspection 1.2 Cable Drum Major Visual Check for condition of cab Document review for Manufactur 2 During Cable Laying Major Visual & Physical checks for unifo 2.1 Cable Laying routine inspection clamping, glanding, tagging etc. 3 Final Acceptance 3.1 Final Acceptance Major Visual Check and Measurement parameters: i) Continuity Check ii) Insulation resistance of each c iii) Check for completeness and f identification and ferruling 4 Final Documentation Documentation for records: i) CESC Standard Checklist (QCC 4.1 Final Documentation Critical Work) ii) HOTO Checklist iii) Cable Reconciliation Statemen Note: This QAP shall be read along with PO and Technical Specifications. Any additional inspection Prepared by: DM (Con) Approved by: GM (Con) 2

Y ASSURANCE PLAN ON OF LT/CONTROL CABLE e Work; Rev: 00; Dated: 26.03.2022 d of Check Extent of Reference document and Format of Records to be Remark check acceptance norms Record Furnished I E F GH 100% Approved Drawing IR/QCC Yes CESC Tech Specs IR/QCC Yes bles. 100% rer Test Certificate of cable. ormity, cable dressing, 100% CESC Guidelines -- No of following tests/ 100% CESC Guidelines IR/QCC Yes core of the laid cables finish; including C/Tech/LT-Control Cable 100% CESC Guidelines -- Yes nt. n test shall be performed as deemed appropriate. Issued by: SDM (Con) Reviewed by: BVIL 21

STANDARD QUALITY FOR MANOEUVRING OF HEA QAP no. QAP/Tech/Manoeuvring of Eq Sl. No. Item Category Type / Method o C D AB 1 Before commencing of work i) Material handling guideline provided by OEM Critical Visual/ Verification/ Measurement 1.1 ii) Test Cetificates of tools and tackles to be used iii) Route survey 2 Upon material delivery Critical Visual & Physical check 2.1 Physical damage of equipment 3 During Work Transformers / earthing transformers- i) Placement of wooden sleepers 3.1 ii) Placement of hydraulic jack Major Visual & Physical check iii) Placement of rail iv) Sand bag filling as per requirement v) Placement of MS plates as per requirement GIS, RMU, AIS, Capacitor Bank, RCP, RTCC, Major Visual & Physical check Battery, Charger, AC/DC DB - i) Lifting points 3.2 ii) Dragging point iii) Load lifting angle iv) Surface condition v) Protective cushioning as required 4 Placement 4.1 Final Placement Major i) Physical check of equipment ii) Measurement of alignment / pos 5 Final Documentation Documentation for records: 5.1 Final Documentation Critical i) CESC Standard Checklist (QCC Heavy Equipment) ii) HOTO Checklist Note: This QAP shall be read along with PO and Technical Specifications. Any additional inspection t Prepared by: DM (Con) Approved by: GM (Con) 2

Y ASSURANCE PLAN AVY AND LIGHT EQUIPMENT quipment; Rev: 00; Dated: 26.03.2022 of Check Extent of Reference document and Format of Records to be Remark check acceptance norms Record Furnished I E F GH 100% OEM guideline / IS 13367 / IR/QCC Yes IS 12735 / ISO 8792 / IS 15041 / IS/ISO 2415 / IS 3832 100% CESC Guidelines IR/QCC Yes 100% CESC Guidelines/ OEM -- No guideline 100% CESC Guidelines/ OEM -- No guideline sition / level 100% CESC Guidelines/ Approved IR/QCC Yes drawing C/Tech/Manoeuvring of 100% CESC Guidelines --- Yes test shall be performed as deemed appropriate. Issued by: SDM (Con) Reviewed by: BVIL 22

STANDARD QUALITY FOR INSTALLATION/ DISMANTL QAP no. QAP/Tech/ODY Equipm Sl. No. Item Category Type / Method of Check C D AB 1 Before Installation 1.1 Foundation i) Visual checks for Cracks / Overall Site Cleanline Major ii) Measurement for Overall dimensions / Coordina 1.2 BOM / Packing List / Orientation 1.3 Equipment 2 During ODY installation Major Visual checks Major Visual checks for physical damage. Equipment Major Visual, Physical & Measurement check for i) CB Alignment / Level / Tightness / Clearance ii) CT iii) VT 2.1 iv) LA v) ISOLATOR vi) Busbar / Buspipe / Busconductor vii) Clamps & Connectors 2.2 SF6 Gas Charging Major Visual and Measurement for gas pressure 3 Earthing 3.1 Earthing for ODY Equipment Major Visual check for availability of Double Earth conne 4 Signage 4.1 Signage/Identification Major Visual Check for adequate signage 5 Site Acceptance Test Major Visual Check and Measurement for tests/paramet 5.1 Site Acceptance Test i) CRM ii) Functional Test, as applicable iii) HV test 2

Y ASSURANCE PLAN LING OF OUTDOOR EQUIPMENT ment; Rev: 00 ; Dated: 26.03.2022 Extent of Reference document and Format of Records to be Remark check acceptance norms Record Furnished I E F GH ess. 100% Tech Specs Approved IR/QCC Yes ate / Level drawings 100% Yes 100% Purchase order/ Tech Specs IR/QCC Yes / Approved drawings CESC guideline IR/QCC 100% Tech Specs/ Approved IR/QCC Yes drawings/ CESC guideline 100% Tech Spec/ CESC guidelne IR/QCC Yes Yes ections 100% Approved drawing/ CESC IR/QCC guidline 100% CESC guideline IR/QCC Yes ters: 100% CESC guideline IR/QCC Yes 23

STANDARD QUALITY FOR INSTALLATION/ DISMANTL QAP no. QAP/Tech/ODY Equipm Sl. No. Item Category Type / Method of Check ABC D 6 Final Documentation Documentation for records: i) Test Certificates 6.1 Final Documentation Critical ii) CESC Standard Checklist (QCC/Tech/ODY Eqp Erection) iii) HOTO Checklist Note: This QAP shall be read along with PO and Technical Specifications. Any additional inspe Prepared by: DM (Con) Approved by: GM (Con) 2

Y ASSURANCE PLAN LING OF OUTDOOR EQUIPMENT ment; Rev: 00 ; Dated: 26.03.2022 Extent of Reference document and Format of Records to be Remark check acceptance norms Record Furnished I E F GH pt. 100% CESC guidelines -- Yes ection test shall be performed as deemed appropriate. Issued by: SDM (Con) Reviewed by: BVIL 24

STANDARD QUALITY FOR INSTALLATION AND COMMISSIONING O QAP no. QAP/Tech/Installation of AC M Sl. No. Item Category Type / Method of Check AB C D 1 Bought Out Materials Visual Checks & BOM Verification for Type 1.1 AC Machines Critical Make / Model / Rating / Tonnage/Capacity Quantity 2 Installation of AC Machine 2.1 Installation of AC Machine Critical Visual & Dimensional checks for General 3 Final Testing Arrangement / Alignment / Level / Elevation 3.1 Site Acceptance Test Critical Visual Check & Measurement of following parameters: 4 Final Documentation Critical i) Exit Air Velocity from IDU in ft^3/min 4.1 Final Documentation ii) Starting Current (Amps.) iii) Running Current (Amps.) iv) Ambient Temp. in deg C v) Delta T Evaporation Temp. in deg C vi) Temp. of Compressor in deg C vii) Temp. of Fan Motor in deg C viii) Gas Pressure ix) Humidity (%) Documentation for Record: i) Inspection Reports ii) CESC Standard Checklist (QCC/Tech/Installation of AC Machines) iii) Job Completion Certificate Note: This QAP shall be read along with PO and Technical Specifications. Any additional Prepared by: AM (Con) Approved by: GM (Con) 2

Y ASSURANCE PLAN OF DIFFERENT TYPES OF AIR CONDITIONERS Machines; Rev: 00; Dated: 26.03.2022 Extent of Reference document and Format of Records to Remark Record be Furnished check acceptance norms G EF HI e/ Warranty / 100% Purchase Specification/PO/ Certificate / Yes Packing List Material Delivery Challan n 100% Approved drawing/OEM QCC Yes Installation Manual 100% IS 1391 / Data Sheet / Tech IR / QCC Yes Spec / SOP 100% Technical Specification Yes l inspection test shall be performed as deemed appropriate. Issued by: SDM (Con) Reviewed by: BVIL 25

STANDARD QUALITY FOR INSTALLATION, TESTING AND COMMI QAP no. QAP/Tech/Installation of EO Sl. No. Item Category Type / Method of Check AB C D 1 Bought out items (Mechanical) 1.1 Box girder, End carriage, Major Visual Check Crab frame Long travel (LT) & Cross Major Visual & dimension inspection, Records ver 1.2 travel (CT) wheel, axel / mechanical & chemical properties & Hardne shaft / rail 1.3 Wire rope Critical Visual / make / Dimension / load 1.4 Hook NDT Records / Proof load test report / Mech Critical chemical properties / UT after Proof load tes verification. 1.5 Gear & Pinion Major Visual & measurment / Chemical properties forging / Hardness record verification 1.6 Brake drum Major Visual / Dimension / Chemical property reco 2 Bought out items (Electrical) 2.1 Motor Major Document verification for Make, Rating, Rou 2.2 Limit switch, brake, VVVF Major Document verification for HV, IR, verification drive Major rating Document Verification for scheme, make, ra 2.3 Control panel components, IR, HV, function test and interl 2.4 Cable Major Verification for Routine test records 3 Fabrication Documentation Check 3.1 NDT of welds Critical RT of Butt welds (Tension zone) record veri Major DPT of fillet welds record verification 3.2 Rope Drum visual & Critical Visual & measurment / Physical / Chemical dimension verification 3.3 Gear box assembly Major Functional test at no load (noise, temperatu leakage) record verification 2

Y ASSURANCE PLAN ISSIONING OF ELECTRIC OVERHEAD CRANE OT Crane; Rev: 00; Dated: 26.03.2022 Extent of Reference document and Format Records to Remark of be Furnished I check acceptance norms Record H EF G rification for 100% Approved drawing/ Tech IR / Test Yes ess (wheel) 100% Specs./IS 807/IS 3177 report Yes 100% Yes hanical & 100% Approved drawing/ Tech IR / Test Yes st record Specs./IS 807/IS 3177 report Yes s / UT of 100% Approved drawing/ Tech IR / Test Yes Specs./IS 3177/IS 1856 report ord verification 100% Approved drawing/ Tech IR / NDT Specs./ IS 3177 report Approved drawing/ Tech Test / Specs./IS 3177 NDT report Approved drawing/ Tech IR / Test Specs./IS 3177 report utine test 100% Approved drawing/ Tech Test Yes n of make and 100% Specs./IS 3177 report Yes 100% Test Yes ating of 100% Approved drawing/ Tech report Yes lock test. Specs./IS 3177 Test report Approved drawing/ Tech Test Specs./IS 3177 report Approved drawing/ Tech Specs./IS 3177 ification 100% Approved drawing/ Tech NDT Yes Specs./IS 3177/ IS 807 report Yes 100% Approved drawing/ Tech NDT Yes Specs./IS 3177/ IS 807 report Yes / NDT record 100% Test / Approved drawing/ Tech NDT ure rise, 100% Specs./IS 3177 report Test Approved drawing/ Tech report Specs./IS 3177 26

STANDARD QUALITY FOR INSTALLATION, TESTING AND COMMI QAP no. QAP/Tech/Installation of EO Sl. No. Item Category Type / Method of Check AB CD 4 Installation of EOT Major Overall dimension, Structural alignment, LT Bridge Girder, End alignment and level check 4.1 carriage, trolley, Down shop lead 4.2 Deflection test with full load Critical Visual, measurment 4.3 Operation / function test of Critical Visual, measurment brake Visual inspection, CT wheel alignment Critical Main hoist (MH), Auxillury Critical Speed check hoist (AH), Long travel 4.4 (LT), Cross travel (CT) Critical Functional check drive assemblies / gear boxes Brake operation (brake holding test, brake p Critical brake current, winding resistance values, el IR with respect to body) 4.5 Gantry girder and rail Critical Span, level, joints and anchoring of girders alignment Output voltage, current, Torque curves(Graphs), Brake 4.6 VVVF Drives Critical resistance during load test, Braking resistor value & IR, Braking resistor maximum temperature during load test, Bypass arrangement 5 Load test and Commissioning Visual inspection / Functional check of all th Critical limit switches & safety interlocks 5.1 Test with no load, Critical Measurment of deflection and currents intermediate load and SWL Critical Visual inspection 5.2 MH, AH, LT & CT operation Critical Noise check with SWL Critical Speed measurment 2

Y ASSURANCE PLAN ISSIONING OF ELECTRIC OVERHEAD CRANE OT Crane; Rev: 00; Dated: 26.03.2022 Extent of Reference document and Format Records to Remark of be Furnished I check acceptance norms Record H EF G T wheel 100% Approved drawing/ Tech IR/QCC Yes Specs./IS 3177 IR/QCC Yes 100% IR/QCC Yes Approved drawing/ Tech IR/QCC Yes 100% Specs./IS 3177 IR/QCC Yes IR/QCC Yes 100% Approved drawing/ Tech IR/QCC Yes Specs./IS 3177 IR/QCC Yes 100% Approved drawing/ Tech path test, 100% Specs./IS 3177 lectrical test - 100% Approved drawing/ Tech 100% Specs./IS 3177 Approved drawing/ Tech Specs./IS 3177 Approved drawing/ Tech Specs./IS 3177 Approved drawing/ Tech Specs./IS 3177 r resistance 100% Approved drawing/ Tech IR/QCC Yes Specs. he motions, 100% Approved drawing/ Tech IR/QCC Yes 100% Specs./ IS 3177 IR/QCC Yes 100% IR/QCC Yes 100% Approved drawing/ Tech IR/QCC Yes 100% Specs./ IS 3177 IR/QCC Yes Approved drawing/ Tech Specs./ IS 3177 Approved drawing/ Tech Specs./ IS 3177 Approved drawing/ Tech Specs./ IS 3177 27

STANDARD QUALITY FOR INSTALLATION, TESTING AND COMMI QAP no. QAP/Tech/Installation of EO Sl. No. Item Category Type / Method of Check AB C D 5.3 Overload test Critical Visual observation for hoist slipage. 6 Painting Measurment of current of hoist motor during 6.1 Painting No load. Critical Visual inspection and DFT Check 7 Final Documentation Documentation for record: i) Inspection Reports 7.1 Final Documentation Critical ii) CESC Standard Checklist (QCC/Tech/Ins EOT Crane) iii) Job Completion Certificate Note: This QAP shall be read along with PO and Technical Specifications. Any additiona Prepared by: AM (Con) Approved by: GM (Con) 2

Y ASSURANCE PLAN ISSIONING OF ELECTRIC OVERHEAD CRANE OT Crane; Rev: 00; Dated: 26.03.2022 Extent of Reference document and Format Records to Remark of be Furnished I check acceptance norms Record H EF G g Full Load & 100% Approved drawing/ Tech IR/QCC Yes Specs./ IS 3177 100% Approved drawing/ Tech IR/QCC Yes Specs./ IS 3177 stallation of 100% Approved drawing/ Tech Yes Specs./ IS 3177 al inspection test shall be performed as deemed appropriate. Issued by: SDM (Con) Reviewed by: BVIL 28

STANDARD QUALITY FOR PAINTING SIGN WRITING OF POW QAP no. QAP/Tech/Painting of Power Tr Sl. No. Item Category Type / Method of Ch AB CD 1 Inspection of Consumables 1.1 Paints & Chemicals Critical Visual Checks for Bra 2 Surface Preparation/Cleaning Type / Shade i) Cleaning method (Steam cleaning/hand 2.1 cleaning etc.) Critical Visual Checks for ove ii) Free from oil residue, dirt, contaminations, quality and cleanlines Rust, old paint blisters, flakes and peels. 3 Application of Primer & Paint Coating Check points after each Primer, 1st Coat & 2nd Coat Visual Checks for Critical uniformity & workman 3.1 i) Application Procedure ii) No. of Coats DFT Measurement iv) Dry film thickness (DFT) v) Shade 4 Final Documentation Documentation of rec i) Inspection Reports ii) CESC Standard Checklist 4.1 Final Documentation Critical (QCC/Tech/Painting o Power Trafo.) iii) Job Completion Certificate/Joint Measurement Sheet Note: This QAP shall be read along with PO and Technical Specifications. Any additional Prepared by: AM (Con) Approved by: GM (Con) 2

Y ASSURANCE PLAN WER AND EARTHING TRANSFORMER ransformer; Rev: 00; Dated: 26.03.2022 heck Extent of Reference document and Format of Records to Remark check acceptance norms Record be Furnished I EF GH and / 100% Internal Specification IR/QCC Yes erall 100% Painting Procedure/ Paint IR/QCC Yes ss manufacturers recommendation nship. 100% Painting Procedure/ Paint IR/QCC Yes manufacturers recommendation cords: of Internal Specificiation Yes l inspection test shall be performed as deemed appropriate. Issued by: SDM (Con) Reviewed by: BVIL 29

STANDARD QUALITY FOR ITC OF INDOOR QAP no. QAP/Tech/ITC-ID AIS Sw Sl. No. Item Category Type / Method of Check ABC D 1 AIS Foundation 1.1 Ensuring readiness of the site / Visual & Physical check for Cleanliness of the sw AIS room Critical Proper closing of doors, windows, shutters, ducts clearance for Maintenance and Operational acce 1.2 Inspection & measurement of Critical Measurement / Physical check for Dimension / C AIS Base Frame / Foundation Level / Orientation 2 Air InsulatorSwitchgear & accessories on arrival 2.1 BOM Verification Major Visual check & Document review of Test certifica Make / Model / Rating / Quantity Verification of Accessories like 2.2 AIS panels, Relays, Switches & Major Physical check for Quantity & Quality Control devices etc. 3 Placement of AIS 3.1 Placement of AIS panels on its Critical Visual checks & Measurement for General Arran foundation frame Alignment / Level 4 AIS Installation Level Check of each reference points of all the p 4.1 Coupling of AIS Panel Major during panel coupling. Physical check for Maximum utilization of the loa / Recommended torque (as required) 4.2 Coupling of Bus-bar Major Physical check for Recommended torque (as req /Surface cleaning 4.3 Checking of Electrical & Major Physical check for Electrical and Mechanical ope Manual Operation CBs / Interlocks (as applicable) 5 AIS internal / external Wiring Visual & Physical check for Quality of Cable trays Laying & termination of control Glanding / Termination Socket etc. 5.1 cable & commissioning of LV Major Visual Check for Cable identification / Co-relation cubicles Ferrule no. Measurement of IR Values & Continuity test 6 Earthing associated with Panels 6.1 Installation of Earth Bars Major Visual & Physical check for Earth Pit (measureab between GIS board and station arrangement) / Multiple connection of Earth Grid Earth Grid the Plant & Equipment Measurement of Earth Resistance (<1 Ohm) 3

Y ASSURANCE PLAN R AIS SWITCHBOARD wbd; Rev: 00; Dated: 26.03.2022 Extent of Reference document and Format of Records to be Remark check acceptance norms Record Furnished I E F GH witchroom / 100% Approved Drawings IR/QCC Yes s /safe 100% Approved Drawings IR/QCC Yes ess Coordinate / ates for 100% Approved Drawings / IR/QCC Yes 100% Technical Specifications IR/QCC Yes Approved Drawings / OEM Packing List ngement / 100% Approved drawing/OEM IR/QCC Yes Installation Manual Yes panels Approved Drawing / OEM IR/QCC Yes ad channels 100% Installation Manual Yes quired) 100% OEM Installation Manual IR/QCC Yes erations of 100% IR/QCC Approved Drawings / OEM Installation Manual s/ 100% Approved Drawings / OEM IR/QCC n CC & Installation Manual ble 100% Approved Drawings / IS IR/QCC Yes / Bar to 3043 30

STANDARD QUALITY FOR ITC OF INDOOR QAP no. QAP/Tech/ITC-ID AIS Sw Sl. No. Item Category Type / Method of Check C D A B 7 Signage 7.1 Ensuring proper signage Major Visual check for signage 8 Final Testing 8.1 Site Acceptance Test Critical Visual Checks & Measurement of following Param i) AC High Voltage test ii) Contact Resistance Measurement iii) Testing of CTs iv) Testing of VTs v) CB operating time measurement vi) CB reduced voltage operation check of CC an vii) CB interchangeability check 9 Final Documentation Critical Documentation for records: 9.1 Final Documentation i) Statutory Clearances (if applicable) ii) Stage Inspection Reports, TCs iii) CESC Standard Checklist (QCC/Tech/ITC-ID iv) HOTO Checklist Note: This QAP shall be read along with PO and Technical Specifications. Any additional inspection test shall b Prepared by: AM (Con) Approved by: GM (Con) 3

Y ASSURANCE PLAN R AIS SWITCHBOARD wbd; Rev: 00; Dated: 26.03.2022 Extent of Reference document and Format of Records to be Remark check acceptance norms Record Furnished I E F GH 100% HOTO Checklist / CESC IR/QCC Yes SOP meters: 100% Approved Drawings / IR/QCC Yes Technical Specification / CESC SOP nd TCs AIS Swbd) 100% Approved Drawings / -- Yes Technical Specifications / CESC SOP / HOTO Checklist be performed as deemed appropriate. Issued by: M (Con) Reviewed by: BVIL 31

STANDARD QUALITY FOR INSTALLATION AND COMMI QAP no. QAP/Tech/ITC-Battery Bat. Sl. No. Item Category Type / Method of Check ABC D 1 Battery 1.1 Ensuring Readiness of the Major Visual & Physical check for availability of an e site / Battery room ventilation system / wash basin / Acid resistan 1.2 Verification of Accessories, Major Physical check for Quantity & Quality hardware Physical check for placement of Battery Bank 1.3 Installation of Battery Bank Critical Board - safe access for maintenance / Alignm Tightness 1.4 Charge & Discharge of Critical Measurement of Voltage & Sp. Gravity of eac Battery 2 Battery Charger 2.1 Inspection of the Battery Major Physical check for Damage / Shortage and BO Charger Physical check for placement & grouting of Ba 2.2 Installation & Commissioning Major / availability of safe access for maintenance & of Battery Charger Alignment / level / Earthing / Charger with pro values. 3 Laying & Termination of Cables Visual & Physical check for Quality of Cable tr 3.1 Laying & termination of Glanding / Termination Socket etc. control cable Major Visual check for Cable identification / Co-relat Ferrule no. Measurement of IR Values & Continuity test 4 Signage 4.1 Ensuring proper signage Major Visual check for signage 5 Site Acceptance Test Major Visual Check & measurement of following par 5.1 Final Acceptance Test i) Continuity ii) Functional Test iii) IR Value iv) Polarity check v) Voltage 3

Y ASSURANCE PLAN ISSIONING OF STATION BATTERY Charger; Rev: 00; Dated: 26.03.2022 Extent of Reference document and Format of Records to be Remark check acceptance norms Record Furnished I E F GH effective 100% Technical Specification / IR/QCC Yes nce tiles 100% Approved Drawings IR/QCC Yes 100% Yes k with Link 100% Approved Drawings / OEM Yes ment / Packing List ch cell Approved Drawings / OEM IR/QCC Installation Manual Approved Drawings / OEM IR/QCC Installation Manual OM 100% Approved Drawings IR/QCC Yes 100% attery Charger Approved Drawings IR/QCC Yes & operation / oper set rays / 100% Approved Drawings / OEM IR/QCC Yes tion CC & Installation Manual 100% HOTO Checklist / CESC IR/QCC Yes SOP rameters: 100% Approved drawing/Tech IR/QCC Yes Specs/Checklist 32

STANDARD QUALITY FOR INSTALLATION AND COMMI QAP no. QAP/Tech/ITC-Battery Bat. Sl. No. Item Category Type / Method of Check ABC D 6 Final Documentation Documentation for records: i) Stage Inspection Reports, TCs 6.1 Final Documentation Critical ii) CESC Standard Checklist (QCC/Tech/ITC B Charger) iii) HOTO Checklist Note: This QAP shall be read along with PO and Technical Specifications. Any additional inspection test Prepared by: AM (Con) Approved by: GM (Con) 3

Y ASSURANCE PLAN ISSIONING OF STATION BATTERY Charger; Rev: 00; Dated: 26.03.2022 Extent of Reference document and Format of Records to be Remark check acceptance norms Record Furnished I E F GH Battery & Bat. 100% Approved Drawings / -- Yes Technical Specifications / CESC SOP / HOTO Checklist shall be performed as deemed appropriate. Issued by: M (Con) Reviewed by: BVIL ` 33

STANDARD QUALITY FOR ITC OF INDOOR QAP no. QAP/Tech/ITC-ID GIS Sw Sl. No. Item Category Type / Method of Check A 1 BC D 1.1 Site Preparedness 2 Visual & Physical check for overall cleanliness 2.1 3 Ensuring readiness of the site / switchroom / Proper closing of doors, windows 3.1 GIS room Critical ducts etc. / Availability and smooth functionalit 3.2 Crane (Mandatory for EHV GIS) / Safe access 4 4.1 for Maintenance and Operational access. 5 GIS Foundation 5.1 Inspection & marking of GIS Critical Measurement & Physical check for Dimension 5.2 Base Frame / Foundation / Level / Orientation 6 Gas Insulated Switchgear & Accessories on arrival 6.1 BOM verification Major Visual check & Document review of Test Certif Make / Model / Rating / Quantity Verification of Accessories like GIS bays, SF6 gas, Relays, Major Physical check for Quantity & Quality & Measu Switches & Control devices, SF6 gas pressure (pre-filled compartments) Instrument cables etc. Placement of GIS Placement of GIS bays on its Critical Visual check & Measurement for General Arra foundation frame Alignment / Level GIS Installation Level Check of each reference points of all the bay coupling. Coupling of GIS bays and Check for recommended torque (as required). associated compartments Critical Availability of dust-free environment throughou installation process. Operation check for proper closing of all the op frequent cleaning. Checking of Electrical & Manual Major Physical check for Electrical and Mechanical o Operation CBs, Isolators & Interlocks (as applicable). GIS Internal Wiring Visual & Physical check for Quality of Cable tra Laying & termination of control Glanding / Termination Socket etc. cable & commissioning of LV Major Visual Check for Cable identification / Co-relat cubicles Ferrul no. Measurement of IR Value & Continuity test 3

Y ASSURANCE PLAN R GIS SWITCHBOARD wbd; Rev: 00; Dated: 26.03.2022 Extent of Reference document and Format of Records to be Remark check acceptance norms Record Furnished I E F GH s of the 100% Approved Drawings / OEM IR/QCC Yes s, shutters, Pre-installation Checklist / ty of EOT OEM Installation Manual s & clearance n / Coordinate 100% Approved Drawings IR/QCC Yes Yes ficate for 100% Approved Drawings / IR/QCC Yes urement of Technical Specifications 100% Approved Drawings / OEM IR/QCC Packing List angement / 100% Approved Drawing / OEM IR/QCC Yes Installation Manual Yes Yes e bays during Yes ut the 100% Approved Drawings / OEM IR/QCC penings & Installation Manual operations of 100% Approved Drawings / OEM IR/QCC Installation Manual ays / 100% Approved Drawings / OEM IR/QCC tion CC / Installation Manual 34

STANDARD QUALITY FOR ITC OF INDOOR QAP no. QAP/Tech/ITC-ID GIS Sw Sl. No. Item Category Type / Method of Check A 7 BC D 7.1 Earthing associated with Panels 8 Installation of Earth Bars Major Visual & Physical check for Earth Pit (measure between GIS board and station arrangement) / Multiple connection of Earth Gr 8.1 Earth Grid the Plant & Equipment Measurement of Earth Resistance (<1 Ohm) 9 9.1 SF6 (Insulating medium) handling & storage 10 10.1 Handling of SF6 through SF6 Doucment verification for Test Certificates. 11 gas handling cart Major Measurement of Quality parameters like Purity & SO2% (at site) HMI (for GIS board > 33 kV) Installation & Commissioning of Major Visual & Physical check for Calibration & Accu HMI by OEM Review of Test Certificates. Signage Ensuring proper signage Major Visual check for signage Final Testing 11.1 Site Acceptance Test Critical Visual Check & Measurement of following Para i) Partial Discharge test ii) AC High Voltage test iii) Contact Resistance Measurement iv) Gas Density Monitor: checking of pre-set va v) Testing of CTs vi) Testing of VTs v) CB operating time measurement vi) CB reduced voltage operation check of CC vii) Checking of gas quality 12 Final Documentation Documentation for records: i) Statutory Clearances (if applicable) 12.1 Final Documentation Critical ii) Stage Inspection Reports, TCs iii) CESC Standard Checklist (QCC/Tech/ITC- Swbd) iv) HOTO Checklist Note: This QAP shall be read along with PO and Technical Specifications. Any additional inspection test shal Prepared by: AM (Con) Approved by: GM (Con) 3

Y ASSURANCE PLAN R GIS SWITCHBOARD wbd; Rev: 00; Dated: 26.03.2022 Extent of Reference document and Format of Records to be Remark check acceptance norms Record Furnished I E F GH eable 100% Approved Drawings / IS IR/QCC Yes rid / Bar to 3043 y, Dew Point 100% OEM Installation Manual IR/QCC Yes Yes uracy. 100% OEM Installation Manual / IR/QCC Yes 100% BTC HOTO Checklist / CESC IR/QCC SOP ameters: alues 100% Approved Drawings / IR/QCC Yes and TCs Technical Specification / CESC SOP -ID GIS 100% Approved Drawings / -- Yes Technical Specifications / CESC SOP / HOTO Checklist ll be performed as deemed appropriate. Issued by: M (Con) Reviewed by: BVIL 35

STANDARD QUALITY FOR ITC OF POWE QAP no. QAP/Tech/ITC-Power Trans Sl. No. Item Category Type / Method of Check C D AB 1 Transformer Foundation 1.1 Ensuring readiness of Site Major i) Visual & Dimension check for Gen Arrangement / Orientation. ii) Visual check for Cracks / Damage overall site cleanliness 1.2 Inspection of Plinth & Foundations Critical Visual & Dimensional check for Plint associated Foundations / Co-ordinat 2 Transformer Main Tank & accessories on arrival 2.1 BOM Verification (Major items like Bushings, Critical Visual Inspection & Document Verifi Valves, Buchholz relays, Pumps, Fans etc.) Make/Model / Rating / Quantity Verification of Accessories like Marshalling 2.2 Box, Field Instruments, CTs, HV/IV/LV Major Physical check for Quantity & Qualit Bushings, Relays, Control/Instruments cables, Cooling apparatus (Fan, Pump) etc. 2.3 Collection & Analysing Impulse/Shock Minor Measurement of Impulse within reco recorder data by OEM value & Review of Test Certificates. 3 Placement of Main Tank 3.1 Placement of Main Tank on plinth; ensuring Critical Visual & Measurement check for Ge proper Centre Lining Arrangement / Alignment / Availabili O&M access points 4 Main Tank Internal Inspection (for N2/dry air filled transformer with voltage level > 33 kV o 4.1 Inspection of Core-Coil Assembly and other Major Visual & Physical check for Main Ta internal parts Condition of Barrier Boards, Shunts, HV/IV/LV/OLTC winding leads / Sam tightness of primary joints 5 Drying out of Winding (for N2 / Dry Air filled transformer) 5.1 Winding Dry-Out with method of evacuation Major Measurement of vacuum level for th value (3 to 5 torr) 5.2 Treatment with N2 / Dry Air (recommended for Major Measurement of Dew Point / RH: transformer >33 kV only) I. Before filling: Dew Point / RH < - 5 II. After filling: Dew Point / RH (as pe guidelines) 3

Y ASSURANCE PLAN ER TRANSFORMER sformer; Rev: 00; Dated: 26.03.2022 k Extent of Reference document Format of Records to Remark check and acceptance norms Record be Furnished I EF GH neral 100% Techincal Specification / IR/QCC Yes es and Approved Drawings / IS 10028-2 th & 100% Techincal Specification / IR/QCC Yes tes / Level Approved Drawings / IS 10028-3 ication for 100% Approved Drawings / IR/QCC Yes 100% Technical Specification IR/QCC Yes ty Yes ommended Approved Drawings / OEM Packing List OEM Installation Manual IR/QCC eneral 100% Approved Drawings / IR/QCC Yes ity of all CESC SOP Yes only) 100% OEM Installation Manual / IR/QCC CESC SOP ank interior / , mple he desired 100% CBIP guidelines / OEM IR/QCC Yes Installation Manual Yes 50 deg C 100% CBIP guidelines / OEM IR/QCC er CBIP Installation Manual 36

STANDARD QUALITY FOR ITC OF POWE QAP no. QAP/Tech/ITC-Power Trans Sl. No. Item Category Type / Method of Check 6 Oil storage & handling Major Review of Test Certificates from NAB 6.1 Oil storage & transportation before installation Major (before Dispatch Instruction) & Visua Quality / Condition 6.2 Oil filtration & filling during installation 7 Installation of Accessories Measurement of Moisture content (P 7.1 oil filling inside transformer 7.2 Inspection of major Accessories like CTs, Major Dimension Checks and review of Te 8 Bushings etc. Certificates of CTs & Bushings 8.1 9 Visual / Physical check for Alignmen 9.1 Installation of accessories Major Presence of sludge or any other fore material / Quality of hardware / Tight 9.2 10 recommended Torque (N-m), if any 10.1 11 OLTC 11.1 Ensuring functionality of OLTC Major Visual check for Model / Ratings & F check for Electrical & Manual operat 12 Field Device, Control Cable laying / termination & operation Visual / Physical check for Quality of Laying & termination of control cable & trays / Glanding / Termination Socke commissioning of Marshalling box / LV Major Visual check for Cable identification cubicles relation CC & Ferrul no. Measurement of IR Values & Contin Checking of Cooler Fans & Pumps operation Major Visual / Operational check for Opera Electrical Logic Temperature Monitoring System (if applicable) Installation & commissioning of Temperature Critical Visual / Physical check for Accuracy monitoring system (WTI, OTI, OF based) Calibration (by Testing Dept.) Earthing associated with transformer Visual/ Physical check for Earth Pit Installation of Earth Electrodes and formation Critical (measureable arrangement) & Multip of Earth Grid connection of Earth Grid / Bar to the Equipment Measurement of Earth Resistance (< Signage & Finishing 12.1 Ensuring proper signage Major Visual check for signage 12.2 Finishing & Paint Touch up Minor Visual Check for comepleteness 3

Y ASSURANCE PLAN ER TRANSFORMER sformer; Rev: 00; Dated: 26.03.2022 k Extent of Reference document Format of Records to Remark check and acceptance norms Record be Furnished BL Lab IS 335 / IEC 60296 IR/QCC Yes al check for 100% PPM) before 100% CESC SOP / OEM IR/QCC Yes Installation Manual est 100% Approved Drawings / IR/QCC Yes Mfc TC to be submitted Technical Specification IR/QCC Yes Mfc TC to be submitted nt / Approved Drawings / eign 100% CESC SOP / OEM tness as per Installation Manual Functional 100% Approved Drawings / IR/QCC Yes tions. OEM Installation Manual Yes Yes f Cable 100% CESC SOP / Approved IR/QCC et etc. Drawings / Co- 100% Approved Drawings IR/QCC nuity test. ations & y& 100% Approved Drawings / IR/QCC Yes Technical Specification ple 100% Approved Drawings / IR/QCC Yes e Plant & CESC SOP / IS 3043 Yes <1 Ohm) No 100% HOTO Checklist / CESC IR/QCC 100% SOP IR/QCC OEM Installation Manual 37

STANDARD QUALITY FOR ITC OF POWE QAP no. QAP/Tech/ITC-Power Trans Sl. No. Item Category Type / Method of Check 13 Final Testing 13.1 Ensuring healthiness of Core-Frame-Tank Major Measurement of Insulation Resistan earthing Critical Measurement of following tests/para 13.2 Site Acceptance Test i) SFRA test ii) Ratio and magnetizing current me iii) Measurement of magnetizing curr LV side iv) Vector group test v) Magnetic balance test vi) Winding Resistance vii) Impedance Measurement at Max Normal taps. viii) IR Measurement ix) PI measurement x) Zero sequence impedance measu xi) HV test xii) Tan δ measurement of windings xiii) Ratio/Polarity checking of all the xiv) Oil/Paper parameter testing from (if applicable) 14 Final Documentation Critical Documentation of Records: 14.1 Final Documentation i) Statutory Clearances (if applicable ii) Stage Inspection Reports, TCs iii) CESC Checklist from SOP (Ref. SOP/Tech/ITC-Transformer) iv) HOTO Checklist Note: This QAP shall be read along with PO and Technical Specifications. Any additional inspectio Prepared by: AM (Con) Approved by: GM (Con) 3

Y ASSURANCE PLAN ER TRANSFORMER sformer; Rev: 00; Dated: 26.03.2022 k Extent of Reference document Format of Records to Remark check and acceptance norms Record be Furnished nce 100% OEM Installation Manual / IR/QCC Yes ameters: CESC SOP easurement rent from x., Min. and 100% OEM Installation Manual / IR/QCC Yes urement. CESC SOP e CTs m NABL lab e) Approved Drawings / 100% Technical Specifications / -- Yes CESC SOP / HOTO Checklist on test shall be performed as deemed appropriate. Issued by: M (Con) Reviewed by: BVIL 38

STANDARD QUALITY FOR CABLE JOINT B QAP no. QAP/Tech/HV-EHV Cable Jo Sl. No. Item Category Type / Metho AB CD 1 Before Preparation of Cable Joint Bay Pre-requisite Documents & availability of Safety Equipements: * Approved Route Plan from respective Road Authorities. * Clearance from Traffic Police Departments and other related agencies (If any) * Work Permit letter from Civic authorities and other agencies Document Verifi involved after submission of road restoration charges. availability of all * Availablily of Safety Tools as per 39 Points Check List, PTWs documents & sta 1.1 and Cable laying related documentation. Critical clearances. * Availibility of sanctioned scheme and other necessary Visual Checks fo clearances from Planning dept/ required authorities. of all necessary * Installation of Temporary Gear by Contactor/ Vendors at job equipment sites for stores of Tools & Tackles for Joint Bay preparation and Safety PPEs. * Availibility of temporary MVAC Electric Supply from respective district. Packing list verification for Cable Joints & Accessories: Critical Document Verifi * Jointing Kits, Cable Joint Accessories required to start the Visual Checks 1.1 job. * Manufacurer Test Certificates/ Witnessed Test results of Cable Jointing Kits/ Inspecton Report of Cable Jointing Kit. 2 During Cable Joint in Cable Trench. Safety Pre-requisites Checks: * Availability of \"RED\" caution lights all along the trench * Availability of hard barricades with danger tapes along the would-be excavated zone. * Availability of electrical connections inside the joint bay with 2.1 double-earthing system Critical Visual Checks * Availability of temporary wooden shuttering planks for shoring/ shuttering to prevent earth collapses and to obtain proper shape of cable joint bay. * Construction of water sumps at both end of the Cable Joint Bay along with placement of pumps to bail out water. 2.2 Marking of expected Joint Bay as per results obtained after Major Visual / Measure cable laying 2.3 Making the base of the Cable Joint bay Major Visual / Measure 3

Y ASSURANCE PLAN BAY PREPARATION oint Bay; Rev: 00; Dated: 26.03.2022 od of Check Extent Reference document and Format Records to Remark of check acceptance norms of be Furnished I Record DE F GH ication for the 100% CESC guidelines IR/QCC Yes l pre-requisite atutory or availability safety ication / 100% approved data IR/QCC Yes sheet/drawings/OEM Guideline/CESC guidelines 100% CESC guidelines IR/QCC Yes ement 100% CESC guidelines IR/QCC Yes ement Yes 100% Tender Specification/ Approved IR/QCC Drawings/CESC guidelines 39

STANDARD QUALITY FOR CABLE JOINT B QAP no. QAP/Tech/HV-EHV Cable Jo Sl. No. Item Category Type / Metho AB C D Visual / Measure 2.4 Placement of metalic Jointing shacks in correct order over the Major joint bay (applicable for EHV Joints). Visual / Measure 2.5 Air conditioning machines, electrical checks and installations in Major correct aligment (applicable for EHV Joints) * Placement of RCC Block on both sides of cable joint circuits in such a manner that there should not be any gap in between consecutive blocks (applicable for EHV Joints). 2.6 * Proper filling inside the cavity formed by RCC blocks by Major Visual / Measure Sand. * Placement of RCC protection tiles * Construction of joint-plate showcasing measurements 3 After completion of Jointing of Cable 3.1 * Continuity Test Critical Final Testing / M * HV Test * Completion of sand filling inside the cavity formed by the Visual Checks masonry walls * Backfilling of cable joint bay area by excavated soil and it should be rammed properly. 3.2 * Removal of temporary electric supply by respective district. Major * Removal of joint shacks, wooden shuttering planks * Availability of elevated crown of at least 100 mm on the excavated portion as settlement allowance. * Removal of excess soil and clearing of debris. 4 Final Documentation 4.1 Final Documentation Critical Documentation i) Statutory Clea applicable) ii) Stage Inspect iii) CESC Standa (QCC/ Tech/ HV Joint Bay) Note: This QAP shall be read along with PO and Technical Specifications. Any additional Prepared by: DM (D-P) / DM (C-P) Approved by: GM (Con) 4

Y ASSURANCE PLAN BAY PREPARATION oint Bay; Rev: 00; Dated: 26.03.2022 od of Check Extent Reference document and Format Records to Remark of check acceptance norms of be Furnished I Record D E F GH ement 100% Tender Specification / CESC IR/QCC Yes ement 100% guidelines IR/QCC Yes Tender Specification / CESC guidelines ement 100% Tender Specification / CESC IR/QCC Yes guidelines Measurement 100% Tender Specification/ CESC IR/QCC Yes guidelines 100% Tender Specification/ CESC IR/QCC Yes guidelines for Record: 100% CESC guidelines -- Yes arances (if tion Reports ard Checklist V-EHV Cable l inspection test shall be performed as deemed appropriate. Issued by: SM (D-P) / SM (C-P) Reviewed by: BVIL 40

STANDARD QUALIT FOR POWER C QAP no. QAP/Tech/HV/EHV Cable Sl. No. Item Category Typ C AB 1 Before Cable Laying Critical Docum 1.1 Pre-requisite Documents & Availability of Safety Equipements: availab docum * Site Survey report showcasing total length, sectional lengths and probable joint clearan bay positions. Visual * Availibility of sanctioned Scheme and other necessary clearances from Planning of all n Dept./ other Depts. equipm * Record of submission of Plan showcasing length and joint bay positions to respective Road Authorities. * Work Permit letter from Civic authorities and other agencies involved after submission of road restoration charges. * Clearance from Traffic Police Departments and other related agencies (If any) * Availablily of Safety Tools as per 39 Points Check List and Cable Laying 'Safety' related documentation. * Record of Preparation/ Installation of Temporary Gear by Contactor/ Vendors at job sites for stores of Tools & Tackles for Cable Laying, Safety PPEs and PTWs. * Excavation of trial pits at strategic locations * Availibility of temporary MVAC Electric Supply from respective District. 1.2 Packing List Verification for Cables, Cable Joints & Accessories: Critical Docum * Cables, Cable Jointing Kits, Cable Laying Accessories required to start the job. Check * Manufacturer Test Certificates/ Witnessed Test results of Cable, Cable Joint/ Inspecton Report of Cable, Cable Joints 2 During Cable Laying Critical Visual 2.1 Safety Pre-requisites Check: * Availability of Hard barricades with danger tapes along the would-be excavated zone. * Availability of \"RED\" caution lights all along the trench, placements of pumps to bail out water at strategic locations along the trench. * Availability of electrical connections inside the joint bay with double-earthing system 2.2 Placement of Cable Drum, Winch Machine & Rollers Major Visual * Designated location for Cable Drum & Winch * Load Certificate for electrical cable winch, jack & spindle arrangement * Proper grouting of winch * Cable Drums, Jack & Spindle arrangement inspection for abnormalities * Visual inspection of support structure for guiding cable from cable drum * Placement of rollers, bend rollers along the trench and availability of protection to existing cables and other utilities 2.3 Cable Trench Inspection; Depth & Width of Cable Trench in accordance with Major Visual Voltage Grade of Cable 4

TY ASSURANCE PLAN CABLE LAYING e Laying; Rev: 00; Dated: 26.03.2022 pe / Method of Check Extent of Reference document and Format of Records to be Remark D check acceptance norms Record Furnished I E F GH ment Verification for the 100% CESC guidelines IR/QCC Yes bility of all pre-requisite ments & statutory nces. Checks for availability necessary safety ment ment Verification / Visual 100% Approved data sheet/ drawings/ IR/QCC Yes ks OEM Guideline/ CESC guidelines Checks 100% CESC guidelines IR/QCC Yes / Measurement 100% IS 1255 / CESC guidelines IR/QCC Yes / Measurement 100% IS 1255 / Tender Specification/ IR/QCC Yes Approved Drawings/CESC guidelines 41

STANDARD QUALIT FOR POWER C QAP no. QAP/Tech/HV/EHV Cable Sl. No. Item Category Typ ABC 2.4 Check for proper Colored (R Y B G) Taping for respective phases at required Critical Visual intervals length after laying of power cables and OF cables. 2.5 * Cables to be arranged in Trefoil Formation with help of hesian ropes / FRP trefoil Major Visual clamps. * RCC Block to be placed on both sides of cable circuits in such a manner that there should not be any gap in between consecutive blocks (only applicable for EHV Cables). * Proper filling inside the cavity formed by RCC blocks with proper proportion of bentonite-sand slurry. 3 After completion of Cable Laying Critical Visual 3.1 Final Testing * Moisture Test * Sheath Integrity Test * Continuity Test * HV Test 3.2 * Placement of RCC protection tiles over the encased radially with RCC blocks on Major Visual both sides with no gaps in between tiles. * Trench Backfilling by excavated soil and rammed properly. * Removal of temporary MVAC electric supply from respective district. * Availability of elevated crown of atleast 100 mm on the excavated portion as settlement allowance. * Removal of excess soil and make worksite cleared of any debris. 4 Final Documentation Critical Docum 4.1 Final Documentation i) Statu applica ii) Stag iii) CES (QCC/ Laying Note: This QAP shall be read along with PO and Technical Specifications. Any additional inspecti Prepared by: DM (D-P) / DM (C-P) Approved by: GM 4

TY ASSURANCE PLAN CABLE LAYING e Laying; Rev: 00; Dated: 26.03.2022 pe / Method of Check Extent of Reference document and Format of Records to be Remark D check acceptance norms Record Furnished I E F G H Checks 100% IR/QCC Yes Tender Specification/ CESC Checks 100% guidelines IR/QCC Yes Tender Specification/ CESC guidelines / Measurement 100% Tender Specification/ CESC IR/QCC Yes / Measurement guidelines 100% Tender Specification/ CESC IR/QCC Yes guidelines mentation for Record: 100% CESC guidelines -- Yes utory Clearances (if able) ge Inspection Reports SC Standard Checklist / Tech/ HV/ EHV Cable g) ion test shall be performed as deemed appropriate. M (Con) Issued by: SM (D-P) / SM (C-P) Reviewed by: BVIL 42

STANDARD QUALITY FOR INSTALLATION AND DISM QAP no. QAP/Tech/Scaffoldin Sl. No. Item Category Type / Method o AB CD 1 Before Erection of Temporary Scaffolding Pre-requisite Documents & Availability of Safety Equipments: * Availability of PTW (Permit to Work) from concerned departments for erection of scaffolding. * Live circuits to be de-energised and physically shorted & earthed. Document Verific * Availablily of Safety Tools as per 39 Points Check List and the availability of related documentation. requisite docume 1.1 * Availability of Safe Working Zone barricaded with danger tapes Critical statutory clearanc & hard baricade boards. Visual Checks for * Availability of scaffolding design for the maximum intended load availability of all n by a competent person. safety equipment * Availability of Scaffolding Competent Person during erection and dismantling. * Availibility of temporary MVAC Electric Supply from respective District. Scaffolding Materials: 1.2 * Availability of adequate structural materials (M.S. poles, G.I. Critical Visual Checks pipes, M.S. clamps, wooden planks etc.) * Visual Inspection for condition 2 During Erection of Temporary Scaffolding * Availability of Solid Ground for Base Plate/Pole Grouting. * Availability and condition of available Guy Wire for free standing scaffolds. * Availability of Handrail and Midrail around all work platform. * Wooden planks on work platforms with no gaps & securely fastened. * All supports uniformly distributed. * Ledger bracing fitted for the full height as per recommendation of the competent person. 2.1 * Adequate couplers & fittings used and properly tightended. Critical Visual / Measurem * Safe access available for the full height of the scaffold using ladders, securely fixed, wherever applicable. * Availability of Guardrails and Toe Guards. * Scaffold is leveled and plumbed. * Tarpaulins adequately fixed to the scaffolding structures at multiple locations. * Electrical connections inside the scaffolding provided with double-earthing system and ELCB/ RCCB. * Air-conditioning machines installed and correctly aligned. 4

Y ASSURANCE PLAN MANTLING OF SCAFFOLDING ng; Rev: 00; Dated: 26.03.2022 of Check Extent of Reference document and Format of Records to be Remark check acceptance norms Record Furnished I E F GH cation for 100% IS 3696 / IS 2750 / OSHA 3150/ PTW/ Yes all pre- OSHA 1926.451 / CESC QCC ents & guidelines ces. r necessary t IS 3696 / IS 2750 / OSHA 3150/ 100% OSHA 1926.451 / CESC IR/QCC Yes guidelines IS 3696 / IS 2750 / OSHA 3150/ ment 100% OSHA 1926.451 / CESC IR/QCC Yes guidelines 43

STANDARD QUALITY FOR INSTALLATION AND DISM QAP no. QAP/Tech/Scaffoldin Sl. No. Item Category Type / Method o A B CD Final Acceptance Testing 2.2 * Load test at 3 times maximum intended load Critical Final Acceptance * Deflection of platform in Loaded condition not more than 1/60 of Measurement Span length 3 Dismantling of Temporary Scaffolding * Removal of temporary MVAC electric supply by respective Critical Visual Checks District * Scafolding structure safely dismantled in the presence of competent person 3.1 * Backfilled and rammed the excavations for pole grouting * Earlier de-energised live circuit shorts and earths removed. * PTW from respective departments closed * Scafolding accessories removed and work site cleared of scraps & debris 4 Final Documentation 4.1 Final Documentation Critical Documentation fo i) Inspection Repo ii) CESC Standar Checklist (QCC/ T Scaffolding) iii) Job completion certificate Note: This QAP shall be read along with PO and Technical Specifications. Any additional i Prepared by: DM (D-P) / DM (C-P) Approved by: GM (Con) 4

Y ASSURANCE PLAN MANTLING OF SCAFFOLDING ng; Rev: 00; Dated: 26.03.2022 of Check Extent of Reference document and Format of Records to be Remark check acceptance norms Record Furnished I E F GH e Testing / IS 3696 / IS 2750 / OSHA 3150/ 100% OSHA 1926.451 / CESC IR/QCC Yes guidelines IS 3696 / IS 2750 / OSHA 3150/ 100% OSHA 1926.451 / CESC IR/QCC Yes guidelines or Record: 100% CESC guidelines -- Yes orts rd Tech/ n inspection test shall be performed as deemed appropriate. Issued by: SM (D-P) / SM (C-P) Reviewed by: BVIL 44