· of lighting fixtures, control gearboxes, junction boxes and accessories suitable for installation in locations handling flammable liquids and gases. 2.0 CODES AND STANDARDS 2.1

aReleiM ENGINEERSogeiropegmy INDIA LIMITED

(MEW Gait. undertak.n9)

SPECIFICATIONFOR

HAZARDOUS AREA LIGHTFIXTURES AND JUNCTION

BOXES

STANDARD SPECIFICATION No.6-51-0061 Rev. 4

Page 1 of 7

ticheiiq 4-A1 fRiz itocrecia

fffizfeTku

SPECIFICATIONFOR

HAZARDOUS AREA LIGHT FIXTURESAND JUNCTION BOXES

4 11.04.11

3 27.08.07

2 30.01.02

1 23.12.96

0 12.01.83 ISSUED AS STANDARD SPECIFICATION

REVISED AND ISSUED AS STANDARDSPECIFICATION




ANPS UAP JMS VC

UAP AAN VPS GRR

RKM VPS SG AS

GNT AK

Preparedby

Checkedby

StandardsCommitteeConvenor

StandardsBureau

ChairmanApproved by

Rev.No Date Purpose

Copyright EIL — All rights reservedFormat No. 8-00-0001-F1 Rev. 0

dolRe,fgzrr EtPeg

IMIETT eiONIZMIJ‘141.1) IA Goo. of India Undertaking)

SPECIFICATIONFOR


BOXES

STANDARD SPECIFICATION No.

6-51-0061 Rev. 4

Page 2 of 7

ENGINEERSINDIA LIMITED

Abbreviations:

BIS Bureau of Indian StandardsBS British StandardCCE Chief Controller of ExplosivesCEA Central Electricity AuthorityCIMFR Central Institute of Mines and Fuel Research (formerly CMRI)CPRI Central Power Research InstituteDGFASLI : Directorate General Factory Advice Service and Labour InstitutesDGMS Directorate General of Mines SafetyERTL Electronic Regional Test LaboratoriesES Edison ScrewFM Factory Mutual Research CorporationFRP Fibre Reinforced PlasticGI Galvanised IronHRC High Rupturing CapacityICAO International Civil Aviation OrganisationIEC International Electrotechnical CommissionIEEE Institute of Electrical & Electronics EngineersIP Ingress ProtectionIS Indian StandardLCIE Laboratoire Central des Industries ElectriquesLED Light Emitting DiodeLV Low VoltageNEMA National Electrical Manufacturers AssociationPESO Petroleum and Explosives Safety OrganisationPVC Poly Vinyl ChlorideSPN Single Phase NeutralTPN Three Phase NeutralUL Underwriters LaboratoriesVDE Verband der Elektrotechnik, Elektronik and Information stechnik

Electrical Standards Committee

Convenor: Mr. UA Patro

Members: Mr. AK TickooMr. MP JainMr. BR BhogalMr. Arun KumarMr. KK GeraMr. Saeed Akhtar

Format No. 8-00-0001-F1 Rev. 0 Copyright EIL — All rights reserved

401Ifg-,ar 02-esENGINEERSINDIA LIMITED(A Govt of India Undertaking)

SPECIFICATIONFOR


BOXES


6-51-0061 Rev. 4

Page 3 of 7

CONTENTS

1.0 SCOPE •4

2.0 CODES AND STANDARDS 4

3.0 GENERAL REQUIREMENTS 4

4.0 SITE CONDITIONS 4

5.0 POWER SUPPLY 4

6.0 CERTIFICATION 5

7.0 TECHNICAL REQUIREMENTS 5

8.0 INSPECTION, TESTING AND ACCEPTANCE 7

9.0 PACKING AND DESPATCH 7


ENGINEERSIfgar ElOieg INDIA LIMITED(A Govt of India Undertaking)1.112Pr eletrrawaacra)

SPECIFICATIONFOR


BOXES


6-51-0061 Rev. 4

Page 4 of 7

1.0 SCOPEThis specification covers the requirements of design, manufacture, testing, packing and supplyof lighting fixtures, control gearboxes, junction boxes and accessories suitable for installationin locations handling flammable liquids and gases.

2.0 CODES AND STANDARDS

2.1 The equipment shall comply with the requirements of latest revision of the followingstandards issued by BIS:IS-5 • Colours for ready mixed paints and enamels.IS-2148 Flameproof enclosures for electrical apparatus.IS-6381 Electrical apparatus for explosive gas atmospheres

Increased safety "e".IS / IEC 60079-0 Electrical apparatus for explosive gas atmospheres

(General requirements).IS / IEC 60079-1 Electrical apparatus for explosive gas atmospheres

(Equipment Protection by Flameproof Enclosures "d").IS / IEC 60079-7 Electrical apparatus for explosive gas atmospheres

(Equipment Protection by Increased Safety "e").IS / IEC 60079-15 Electrical apparatus for explosive gas atmospheres

Construction, test & marking of type of protection "n"IS / IEC 60529 Degrees of protection provided by enclosures (IP Code).

2.2 In case of imported equipment, standards of the country of origin shall be applicable if thesestandards are equivalent or more stringent than the applicable Indian standards.

2.3 The equipment shall also confirm to the provisions of CEA Regulations and statutoryregulations currently in force in the country.

2.4 In case Indian standards are not available for any equipment, standards issued by IEC/ BS/VDE/ IEEE/ NEMA or equivalent agency shall be applicable.

2.5 In case of any conflict between requirements specified in various applicable documents for theproject, the most stringent one shall prevail. However, Owner's decision in this regard will befinal and binding.

3.0 GENERAL REQUIREMENTS

3.1 The offered equipment shall be brand new with state of art technology and proven field trackrecord. No prototype equipment shall be offered.

3.2 Vendor shall ensure availability of spare parts and maintenance support services for theoffered equipment for at least 10 years from the date of supply.

4.0 SITE CONDITIONSThe equipment shall be suitable for installation and satisfactory operation in classifiedhazardous locations in tropical, humid and corrosive atmosphere as prevalent in refineries,petrochemical and fertilizer plants. Unless otherwise specified, a design ambient temperatureof 40° C and an altitude not exceeding 1000 m above mean sea level shall be considered.

5.0 POWER SUPPLYAll AC lighting fixtures/ control gear boxes/ junction boxes shall be suitable for 220 — 250V,SPN, 50Hz ± 3% power supply and all DC lighting fixtures/ junction boxes shall be suitablefor 110/ 220 ±10% V power supply.


4o1ReJel ENGINEERSINDIA LIMITED(A Gout of India Undertaking)

SPECIFICATIONFOR

HAZARDOUS AREA LIGHT


6-51-0061 Rev. 45 a IFII5teglifflETT emamet11130SPRO

FIXTURES AND JUNCTION Page 5 of 7BOXES

6.0 CERTIFICATION

The equipment shall have test certificates issued by recognised independent test house(CIMFR/ CPRI/ ERTL/ Baseefa/ LCIE/ UL/ FM or equivalent). All indigenous equipmentshall conform to Indian standards and shall be certified by Indian testing agencies. Allequipment (indigenous & imported) shall also have valid statutory approvals as applicable forthe specified location. All indigenous flameproof equipment shall have valid BIS license andmarking as required by statutory authorities.

7.0 TECHNICAL REQUIREMENTS

7.1 Construction

7.1.1 The enclosures of the lighting fixtures, control gear box and junction boxes shall be of castlight metal alloy.

7.1.2 All equipment shall be suitable for use in outdoor open locations and shall have IP-55 degreeof protection.

7.1.3 The enclosures shall be provided with gaskets made of non-inflammable and self-extinguishing material.

7.1.4 All metal surfaces shall undergo manufacturer's standard cleaning/ painting cycle. Afterpreparation of under surface, the equipment shall be painted with two coats of epoxy basedfinal paint with colour shade as below:

- Flame proof (Gas group IIA/IIB) and AC supply : Dark admiralty grey shade 632 of IS-5/RAL 7035

- Flame proof (Gas group IIC) and AC Supply : Light yellow shade 355 of IS-5- Zone-2/ Increased safety and AC Supply : Dark admiralty grey shade 632 of IS-5/

RAL 7035- DC lighting fixtures : Bright red shade 538 of IS-5

All unpainted steel parts shall be suitably treated to prevent rust formation. If these parts aremoving elements then they shall be greased.

7.1.5 A warning inscription "Isolate power supply elsewhere before opening" shall be provided oneach enclosure. The warning inscription shall be embossed on the enclosure or a separatewarning plate with above inscription shall be fixed to the enclosure with screws. The warningplate shall be of nickel plated brass or stainless steel.

7.1.6 All accessories like nuts, bolts, washers etc. shall be made of stainless steel SS-304.

7.1.7 All equipments on single phase supply shall be provided with an independent earth terminalwith lug inside the enclosure for terminating the third (earth) core of the cable and shall havefacility for looping.

7.1.8 A nameplate shall be provided to indicate the details of testing agency (CIMFR or equivalent),test certificate no. with date, statutory approval no. with date and agency (PESO/ CCE/DGFASLI/ DGMS), BIS license number and date, applicable gas group etc. The nameplatesshall be engraved type and permanently fixed on the equipment. In case the standard detailsgiven above are embossed on the enclosures, the same need not be repeated on the nameplate.

7.2 Lighting Fixtures

7.2.1 Glass used for lighting fixture shall be clear and suitable for use under conditions involvingexceptional risk of mechanical damage.

7.2.2 All well glass fixtures shall be provided with either galvanised steel or epoxy powder coatedmild steel protective wire cage using minimum 5mm welded steel construction and havingmesh dimension not exceeding 50mm x 70mm.


eilig-a. 1610lift

174111.1 2IETIA2^JVC1511)

ENGINEERSINDIA LIMITED(A Gout. of India Undertaking)

SPECIFICATIONFOR


BOXES


6-51-0061 Rev. 4

Page 6 of 7

7.2.3 The fixing parts of the enclosure, which are to be opened for replacement of bulb, shall be sofastened that they can be unfastened only with special tools.

7.2.4 The lighting fixtures in Zone-2 area shall be Ex nR type. Lamp holder shall be Edison screwtype.

7.2.5 The lighting fixtures having integral control gear box or to be used with incandescent lampsshall be provided with 2 nos. threaded entries and 2 nos. double compression nickel platedbrass cable glands. All other lighting fixtures shall be provided with 1 no. threaded entry and 1no. double compression nickel plated brass cable gland. The glands shall be suitable for thespecified cable size. 20% of the fixtures having double cable entry shall be supplied with 1 no.nickel plated brass plug for sealing the unused entry.

7.2.6 The top of all well glass lighting fixtures shall be identically drilled/ threaded to facilitateinstallation on pole/ column or ceiling.

7.2.7 The flood lighting fixtures shall be supplied with adjustable mounting arrangement both inhorizontal and vertical plane.

7.2.8 The lighting fixtures for aviation purpose shall have cluster LED lamps of medium intensity(as per ICAO regulations) and of red colour, with toughened glass.

7.2.9 All lighting fixtures shall be provided with suitable mirror-polished aluminium internalreflector of suitable thickness to ensure adequate mechanical strength. Additionally, all wellglass fixtures shall be provided with an anodized mirror-polished aluminium external reflectorof minimum thickness 1.2mm and parabolic in design.

7.2.10 External reflectors, for use with well glass fixtures with lamps rated up to 150W, shall have aheight not less than 60% of the length of the well glass in use. Height of the externalreflectors, for use with well glass fixtures with lamps rated above 150W, shall extend at least10mm below the full length of the well glass in use.

7.3 Control Gear Box

7.3.1 Lighting fixtures suitable for discharge lamps shall be provided with power factor correctioncapacitor, choke starter etc., housed in separate control gear box. The choke shall be copperwound. The complete control gear shall have power factor not less than 0.9.

7.3.2 The control gear boxes shall be provided with 3 nos. entries and 3 nos. double compressionnickel plated brass cable glands. The glands shall be suitable for the specified cable size. 20%of the control gear boxes shall be supplied with 1 no. nickel plated brass plug for sealing theunused entry.

7.3.3 Control gear box for flame proof fixtures shall be flameproof type and for Ex nR type fixturesshall be increased safety type, except that the control gear boxes having a fuse inside theenclosure shall be necessarily of flameproof type. The fuses shall be HRC type. Requirementof fuse shall be as specified in data sheet/ job specification.

7.4 Junction Boxes

The junction boxes shall be of flameproof construction. All junction boxes for looping ofsingle phase lighting circuits using cables up to 6mm2 shall be minimum 125mm diameter insize. Each junction box shall be complete with requisite number of cable entries and doublecompression flameproof nickel plated brass cable glands to suit the specified cable size.

7.5 Terminals & Wiring

7.5.1 The fixtures and junction boxes shall be provided with sufficient number of terminals. Morethan 2 wires per terminal shall not be permitted. If required, additional terminal with shortinglink may be used. The terminals for external cable termination shall be suitable for 2.5mm2solid copper conductor. Tinned copper lugs shall be provided for cable termination.


SPECIFICATIONFOR


BOXES


6-51-0061 Rev. 4

Page 7 of 7

01 e..1 ENGINEERS

1i faReg INDIA LIMITED

Own etecannanerni IA Govt crl India Undertaking)

7.5.2 All internal wiring shall employ 2.5mm 2, 660 V grade, PVC insulated copper conductor wires,colour coded for phase, neutral and earth.

7.5.3 For flameproof equipments, terminal box can be provided in 'Exe' execution.

8.0 INSPECTION, TESTING AND ACCEPTANCE

8.1 During fabrication, the equipment shall be subjected to inspection by EIL/ Owner or by anagency authorised by the Owner, if specified/ agreed in Inspection Test Plan. Manufacturershall furnish all necessary information concerning the supply to EIL/ Owner's inspector. Allroutine/ acceptance tests shall be carried out at manufacturer's works under his care andexpense.

8.2 Type test certificates from CIMFR or equivalent test house, applicable PESO/ CCE/DGFASLI/ DGMS approval certificates, BIS license and original drawings referred in typetest certificates shall be shown to the inspection agency on demand during inspection. Thecertificates and BIS license must be valid at the time of despatch.

8.3 Test certificates of bought out components shall be shown to the inspection agency on demandduring inspection.

8.4 All equipments shall be subjected to various acceptance tests as per standards but not limitedto the following:

8.4.1 General visual inspection

8.4.2 Dimensional inspection

8.4.3 Verification of mechanical and electrical operations

8.4.4 Dielectric tests

8.4.5 Over pressure test (for flameproof control gear boxes and junction boxes)

8.4.6 Any other routine and acceptance test as per applicable standards.

9.0 PACKING AND DESPATCHAll the equipment shall be divided into several sections for protection and ease of handlingduring transportation. The equipment shall be properly packed for the selected mode oftransportation, i.e. by ship/ rail or trailer, and shall be wrapped in polythene sheets beforebeing placed in crates/ cases to prevent damage to finish. The crates/ cases shall have skidbottom for handling. Special notations such as 'Fragile', 'This side up', 'Center of gravity',`Weight',' Owner's particulars', 'PO nos.' etc., shall be clearly marked on the packagestogether with other details as per purchase order.

The equipment may be stored outdoors for long periods before installation. The packing shallbe completely suitable for outdoor storage, in areas with heavy rains/ high ambienttemperature.


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Static Hydraulic test

Physical & Chemical Properties, Dimensions, Surface finish, Light transmission thro' glass, tests on glass, Material Certificate, Make, IR for chokes, etc.

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Certificate of Statutory testing agency for suitability of area classification

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Certificate of Statutory approval authority like PESO

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License for Indigenous fittings from BIS

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Degree of protection certificate.

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SEE DETAIL—A 50 DIA. G.I. PIPE

EXTERNAL REFLECTOR

25MM MIN.

HEXAGONAL—HEAD EXTERNAL THREAD

INTERNAL THREAD

25MM MIN.

DETAIL-1

POLE MOUNTED

EXTERNAL REFLECTOR

MOUNTING HEIGHT

11 DIA. HOLE (TYP.)

CLAMP TYPE—'A' 50X10 MM M.S. FLAT

CLAMP TYPE—'B' 50X10 MM M.S. FLAT

220

185

11 DIA. HOLE (TYP.)

EXTERNAL REFLECTOR

$PigZITIF .frem i.recure zr5,3qa.)

ENGINEERS TYPICAL INSTALLATION OF INDIA LIMITED (A Govt. of Indio Undertaking) HAZARDOUS AREA WELL GLASS LTG.

STANDARD No.

7-51-0221 Rev. 4

FIXTURE Page 1 of 1

DETAIL-2

BRACKET MOUNTED

DETAIL-A

(ADAPTOR)

DIMENSIONS X Y

*TO SUIT TO SUIT 19 DIA. 50 DIA.

* ALTERNATIVELY SIZE TO SUIT FIXTURE

DETAIL-3

CEILING MOUNTED

NOTES: - 1.

ALL DIMENSIONS ARE IN MM. .

2. SUPPORT ACCESSORIES VIZ THE BRACKET, CEILING ADAPTOR SHALL BE PAINTED WITH EPDXY BASED PAINT.

4 17.07.13 REAFFIRMED & ISSUED AS STANDARD BP FA/SA UAP/ OM 3 15.12.08 REVISED & ISSUED AS STANDARD BP RKS/NS JMS VC — Rev.

No.

Format No. 8-00-0001-F4 Rev.O

Date Purpose Checked by

Stds. Bureau Convenor Chairman

Approved by

Copyright EIL - All rights reserved