EHV_HV_MV-installation_inspection.pdf

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EHV/HV/MV INSTALLATIONS INSPECTION Procedure for grant of approval for energisation of new electrical installations under regulation 43/32 of Central Electricity Authority (Measures relating to Safety and Electric Supply ) Regulations, 2010. 1 No electrical installation work, including additions, alterations, repairs and adjustments to existing installations, except such replacement of lamps, fans, fuses, switches, domestic appliances of voltage not exceeding 250V and fittings as in no way alters its capacity or character, shall be carried out upon the premises of or on behalf of any consumer, supplier, owner or occupier for the purpose of supply to such consumer, supplier, owner or occupier except by an electrical contractor licensed in this behalf by the State Government and under the direct supervision of a person holding a certificate of competency and by a person holding a permit issued or recognized by the State Government. 2 No electrical installation work which has been carried out in contravention of above (1) shall be energized or connected to the works of any supplier. 3 The electrical installations shall also comply the relevant provisions of National Building Code. 4 For installations having installed capacity above 500 KVA, the single line diagram indicating various protections, change over switches and apparatus is to be got approved from the Chief Electrical Inspector before commencement of the work. A copy of the building plan indicating the location of Transformer, Generator, HT& LT Protection, earth pits and size of earth strips, spacing between the apparatus is also required to be submitted by the owner while seeking approval of Single Line Diagram. Approval of the single line diagram/schemes of electrical installations is issued by the Chief Electrical Inspector after detailed scrutiny of the same and relevant drawings. 5 Notice of commencement of electrical installation work shall be given in writing by the licensed contractor to the Electrical Inspector within 48 hours of the commencement of such work. 6 On completion of the electrical installation work in all respects and testing of the installations, the electrical contractor shall issue ‘Completion and Test Report’ in the prescribed forms.

Transcript of EHV_HV_MV-installation_inspection.pdf

Page 1: EHV_HV_MV-installation_inspection.pdf

EHV/HV/MV INSTALLATIONS INSPECTION

Procedure for grant of approval for energisation of new electrical installations under

regulation 43/32 of Central Electricity Authority (Measures relating to Safety and Electric

Supply ) Regulations, 2010.

1 No electrical installation work, including additions, alterations, repairs and adjustments to

existing installations, except such replacement of lamps, fans, fuses, switches, domestic

appliances of voltage not exceeding 250V and fittings as in no way alters its capacity or

character, shall be carried out upon the premises of or on behalf of any consumer, supplier,

owner or occupier for the purpose of supply to such consumer, supplier, owner or occupier

except by an electrical contractor licensed in this behalf by the State Government and under the

direct supervision of a person holding a certificate of competency and by a person holding a

permit issued or recognized by the State Government.

2 No electrical installation work which has been carried out in contravention of above (1) shall

be energized or connected to the works of any supplier.

3 The electrical installations shall also comply the relevant provisions of National Building

Code.

4 For installations having installed capacity above 500 KVA, the single line diagram

indicating various protections, change over switches and apparatus is to be got approved from

the Chief Electrical Inspector before commencement of the work. A copy of the building plan

indicating the location of Transformer, Generator, HT& LT Protection, earth pits and size of

earth strips, spacing between the apparatus is also required to be submitted by the owner while

seeking approval of Single Line Diagram. Approval of the single line diagram/schemes of

electrical installations is issued by the Chief Electrical Inspector after detailed scrutiny of the

same and relevant drawings.

5 Notice of commencement of electrical installation work shall be given in writing by the

licensed contractor to the Electrical Inspector within 48 hours of the commencement of such

work.

6 On completion of the electrical installation work in all respects and testing of the

installations, the electrical contractor shall issue ‘Completion and Test Report’ in the prescribed

forms.

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7 The owner of the installation or authorized representative shall submit an application for

inspection of his installation to the supplier in case of LV & MV installations and to the

Electrical Inspector in case of HV& EHV installations in the form A-1, B-1, A-2 or B-2

alongwith following documents:-

(i) ‘Completion and Test Report’ issued by the licensed Electrical Contractor.

(ii) Copies of Manufacturer’s Test Certificate and invoice of the electrical apparatus /

cable or supply line.

(iii) NOC from Fire Department/Test Certificate of the Fire Extinguishers.

(iv) Copies of statutory clearances /approval from Authorities i.e. Forest

Department/Railways/ Defence (AHQ)/ Civil Aviation/ PTCC/National Highways/

HERC/State Govt./Power Utilities/CEI/other authorities of State/Central

Government regarding generation/transmission/distribution/consumption of

electrical energy.

(v) Treasury challan of inspection fees as per schedule.

(vi) Undertaking of the owner that he shall maintain and operate the installations in a

condition free from danger and as recommended by the manufacturer and/or by the

relevant Code of Practice of the Bureau of Indian Standards and/ or by the

Electrical Inspector.

8 The owner of the installation shall arrange for site tests of electrical apparatus, cable or

supply line as per relevant code of practice of the Bureau of Indian Standards and the records of

all tests, trappings maintenance works and repairs of all equipments shall be kept in such a way

that these records can be compared with earlier ones.

9 The Licensed Electrical Contractor/Electrical Supervisor holding Competency Certificate

who executed the installation work shall remain present with tools and instruments at the time of

inspection by the Electrical Inspector and arrange for carrying out all the routine tests of the

apparatus /cable/line or any additional tests which may require to be carried out.

10 The installations which are found to be conforming to the relevant provisions of Central

Electricity Authority (Measures relating to Safety and Electric Supply) Regulations, 2010 are

accorded approval for energisation by the Electrical Inspector.

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Instructions for Filling the Application under Regulation 43/32 of Central Electricity

Authority (Measures relating to Safety and Electric Supply) Regulations, 2010 for

getting approval of the Electrical Inspector for energisation.

1. Application Form, Instructions for filling the form and other details can be download

form official Website: http://haryana.gov.in/cei.asp Chief Electrical Inspector to Govt.

Haryana, Chandigarh.

2. Application Format Form ‘A-1’ is applicable for all the EHV electrical installations;

Form ‘B-1’ is for all EHV Overhead Transmission Lines; Form ‘A-2’ is for HT (upto

33KV) installations and Form ‘B-2’ is for HT (upto33KV) lines for inspection under

Regulation 43 and Regulation 32.

3. Application Format Form ‘C-1’ is applicable for periodical inspection of all the electrical

installations under Regulation 30.

4. Ensure that all the columns of the Application Form are filled.

5. Application for inspection of installations shall be submitted at least ten days before the

expected date of energisation to the office of CEI/concerned sub centre of Electrical

Inspectorate.

6. The Periodicity of Inspections: The periodicity of inspection is as below:

(i) HT/EHT Installations – once in a year.

(ii) MP Installations – once in three years.

7. The Application Form shall be submitted to the Head Office /Executive Engineer of the

respective sub centre as per the location of the installation falling within the jurisdiction

of that sub centre.

8. Address of the Chief Electrical Inspector to the Government of Haryana is SCO 85-86,

Sector-17-D, Chandigarh-160017. Phone 0172-2704090, Fax No. 0172-2710171 and

addresses of Sub Centres are as shown in Table-I.

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Table-I

Address & Area of Jurisdiction of HO and sub centre.

Sr.

No.

Sub Centre Address of Sub Centre Area of Jurisdiction

1 Head Office

Chandigarh

Chief Electrical Inspector to Govt.

Haryana, SCO 85-86, Sector-17-D,

Chandigarh.

‘Op’ Circles Panchkula,

Ambala, Yamuna Nagar,

Karnal & Kaithal.

2 Panipat Executive Engineer,

Electrical Inspectorate Haryana,

31-F, Patel Nagar, Near Gurudwara,

Panipat.

‘OP’ Circles Panipat &

Sonepat

3 Gurgaon Executive Engineer,

Electrical Inspectorate Haryana,

HUDA Primary School Building,

Sushant Lok, Block-C-2, Gurgaon.

‘OP’ Circles Gurgaon

Rewari & Narnaul

4 Faridabad Executive Engineer,

Electrical Inspectorate Haryana,

SCF-9, Sector-9,

Faridabad.

‘OP’ Circle Faridabad

5 Hisar Executive Engineer,

Electrical Inspectorate Haryana

Red Cross Building, Railway Fly-over,

Hisar.

‘OP’ Circles Hisar, Jind

Bhiwani, Sirsa, Rohtak &

Jhajjar.

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Deficiencies of the following nature are generally observed in EHV/HV/MV electrical

installations.

(1) The body of the electrical equipment or neutral point of a generator /transformer

is not earthed by connecting it to the earthing system by two separate and distinct

connections.

(2) 11 KV vacuum circuit breaker is not provided on every transformer having

capacity of 1000 KVA and above.

(3) The transformers and equipments are installed in a congested area without leaving

free passage for the operators/workers.

(4) Insulating mats for electrical purposes provided in front of panels are not found

conforming to IS :15652:2006.

(5) Continuous earth wire (earthed at three points in every Km) is usually not

provided along the electricity line upto tail end.

(6) Guarding of the line is not done at point of its crossing with roads/other lines.

(7) Adequate vertical ground clearance, adequate horizontal clearance from buildings

and adequate clearance at crossing point with other lines is not maintained.

(8) 11KV cables/LT cables are laid in a haphazard manner instead of proper laying in

the trench/tray.

(9) Fire fighting arrangements are inadequate and fire extinguishers are not refilled in

time.