air/sf6 insulated switchgear for arc suppression reactor ... - b str - 1386.pdf · for arc...

THE ISRAEL ELECTRIC CORPORATION LTD. SPEC: STR-1386

ENGINEERING DIVISION ANNEXURE "B"

SUBSTATION PLANNING SECTOR

SWITCHGEAR INSULATED AIR/SF6 FOR ARC SUPPRESSION REACTOR (PETERSEN COIL)

FOR 24 KV SYSTEM

1. PURCHASER: The Israel Electric Corporation Limited (IECo).

2. NAME OF ITEM & PROJECT: Air/SF6 insulated switchgear for arc suppression

reactor (Petersen coil) for 24 kV system.

3. LOCATION OF ITEM & PROJECT: IECo substations and switching stations.

4. SCOPE OF WORK:

3.1

Design, develop, manufacture, cooperate with others where necessary, factory tests, supply all relevant civil engineering and electromechanical information necessary for complete design of the building and for all other purposes linked with proper operation as well as for commissioning and maintenance, preserve, pack and furnish the switchgear, delivery in Purchaser’s stores or sites, test and verify equipment on site, provide technical guidance and assistance, all in accordance with this Specification as detailed hereinafter.

3.2

Switchgear shall be installed on IECo substations/switching stations for

connection between the earthing transformer and arc suppression reactor

(Petersen coil) and the substation earthing system.

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Switchgear shall be suitable for indoor installation, single – phase, air (at atmospheric pressure) or SF6 insulated.

3.4

Switchgear shall be complete with all accessories and appurtenances as specified hereinafter. Switchgear shall be capable of withstanding electrical, mechanical and thermal ratings of the specified systems. All joints and connections shall be able to withstand the forces of expansion, contraction, vibration, specified seismic requirements and environmental conditions without damage, deformation, malfunction and leakage. Optimized arrangement is required to reduce installation space, installation time, provide ease operation, minimize maintenance and repair costs and facilitate future additions and extensions.

THE ISRAEL ELECTRIC CORPORATION LTD ENGINEERING DIVISION SPEC: STR-1386 SUBSTATION PLANNING SECTOR ANNEXURE “B”

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4.1. SCOPE OF SUPPLY / SERVICE:

The Contractor shall supply the following items:

4.1.1. Item 1: One (1) Switchgear in accordance with attached one line diagram

EVK-8457 including:

4.1.1.1. Cubicle №1 for connection to the earthing

transformer and to the arc suppression reactor.

The cubicle shall include the following equipment:

One (1) 13.85 kV, 400 A single phase

disconnector (Q2) with manual operating

mechanism.

Two (2) Raychem or Pfisterer terminations for

two (2) single - phase 18/30 kV 1x150² CU

cables.

Connection busbar and insulators. The busbar

of the cubicle №1 shall be connected to the

busbar of the cubicle № 2.

4.1.1.2. Cubicle №2 for connection to the substation

earthing system.

The cubicle shall include the following equipment:

One (1) 13.85 kV, 400 A single phase circuit

breaker (Q0) with electrical operating

mechanism.

One (1) 13.85 kV, 400 A single phase

disconnector (Q1) with manual operating

mechanism.

One (1) 13.85 kV, 400 A single phase earthing

switch (Q51) with manual operating mechanism.

One (1) Raychem or Pfisterer termination for

one (1) single - phase 18/30 kV 1x150² CU

cable.

Connection busbar and insulators. The busbar

of the cubicle №2 shall be connected to the

busbar of the cubicle №1.

Quantity of item 1: 31 units + 50% − 20%.


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4.1.2. Item 2: Spare parts (option).

4.1.3. Item 3:

Special tools (option).

4.1.4. In addition to the equipment the Contractor shall provide all technical data, relevant drawings and other information as required in this Specification.

5. TERMINAL POINTS & TERMINAL CONNECTION

5.1. The Contractor is requested to propose the switchgear as a whole.

In case the Contractor has not in his production line one or more of the required components, he can offer components manufactured by other manufacturers. The Contractor shall be responsible for the integration of all components and will guarantee for the whole switchgear. The list of subcontractors shall be approved by Purchaser.

5.2. The Contractor shall use components and accessories manufactured in

Israel wherever possible.

5.3. The Contractor shall be responsible for all equipment damage until time of Purchaser equipment reception.

5.4. The switchgear can be supplied only after approval of all type, special and

routine test reports.

6. QUALITY ASSURANCE & QUALITY CONTROL

6.1. General quality requirements

6.1.1. In addition to the provisions of the General Conditions Annexure "A" -

"Contractor's Documentation" and Appendix N° 2 - "Procurement Quality Requirements" the Contractor's Quality Assurance Program shall meet the requirements described in ISO Standard 9001-2000.

6.1.2. The Purchaser shall have the right to audit and comment on Contractor's

Quality Assurance System regardless of whether it was previously audited by certifying agency or any other body.

6.1.3. The Contractor shall be responsible for assuring that his subcontractor's

Quality Assurance/Quality Control Program, including their organizations, procedures, personnel qualification etc., are approved and are consistent with the specific requirements imposed by Purchaser in the Specification.

6.1.4. An Inspection &Test Plan, including witness points and hold points, shall be

mutually agreed between the Purchaser and the Contractor immediately after awarding the contract. Any subsequent alteration to this program shall require


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the Purchaser's agreement, prior to start of any work affected by these alterations.

6.1.5. When subcontracting part of the works, the Contractor shall submit copies of his unpriced orders to the subcontractor.

6.1.6. Test and inspection certificates as required in the Specification and the

applicable standards, shall be submitted immediately following their issue. The certificates have to be original, signed by the Contractor, and contain actual measured values. The generation of certificates, including those generated by Subcontractors and sub-Bidders, shall bear no extra cost to Purchaser.

6.1.7. Manufacturing shall not commence prior to respective drawing approval by the

Purchaser.

6.1.8. Changes in the Purchaser's approved design are normally unaccepted. However, should such changes become necessary on an exceptional basis, the Contractor shall obtain the Purchaser's approval prior to introducing any change.

6.1.9. Any equipment which does not conform to drawings, specifications or other

purchase order requirements which never the less are considered by the Contractor as "acceptable as is" or "for repair", shall be submitted to the Purchaser for approval, with their recommended dispositions. All such non-conformances shall be approved by the Purchaser, shall be documented and a copy of the approval shall accompany each shipment.

6.1.10. Source inspection, including inspection of local manufacturing, shall be

conducted by proficient, approved organizations or individuals, using documented procedures. Any such independent inspector shall be subject to Purchaser's approval.

6.1.11. All materials used in the manufacture of the equipment shall conform to the

Specification, approved drawings and accepted standards.

6.1.12. The Contractor shall notify the Purchaser, without any undue delay, of any defect, failure, malfunction or incompatibility in the equipment, or in similar types of equipment, which shall have appeared, or discovered in the course of the period, extending from the execution of the contract of supply until three years after the expiration of warranty, in as much as it affects, or may affect the use, performance, qualities, lifetime or safety of the equipment. The notification shall be in writing and shall specify the nature of the defect, failure, malfunction or incompatibility, any ramifications, stemming there from and any relevant corrective measures, adopted or recommended by the Manufacturer.

6.1.13. The Purchaser shall have the right to be present in the equipment

manufacturing process (at least two times during the manufacturing), as far as in the routing and acceptance tests performance.


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6.2. Interchangeability

All switchgear components of the same type and ratings shall be respectively interchangeable with each other, both electrically and mechanically. Like parts shall be entirely interchangeable between components of the same rating, and when so interchanged, shall perform their function equally well in every respect.

7. STANDARDS & CODES

Unless otherwise specified all equipment shall be designed, manufactured and

tested in accordance with the requirements of the latest relevant published standards of the International Electrotechnical Commission (IEC) or local standards of the Manufacturer's country as amended up to date.

All aspects, test, etc, not covered by the above mentioned standards, shall be executed according to the latest published issue of official or otherwise approved standards of the Manufacturer's country.

All relevant standards shall be stated by Bidder. In the event of a variance between the general requirements of the standards and particular requirements of this Specification, the Specification shall take precedence. If after issuing this Specification some of the mentioned standards are updated, amended, withdrawn or replaced with another ones, the impact of these changed on the Specification will be subjected to agreements between the Contractor and the Purchaser. The following standards are applicable in the relevant parts to the individual components of the switchgear:

IEC60529-2013

Degrees of protection provided by enclosure (IP code).

IEC 62271-100 High voltage switchgear and controlgear -

Alternating-current circuit-breakers.

IEC 62271-102 High voltage switchgear and controlgear –

Alternating-current disconnectors and earthing switches.

IEC 62271-200 AC metal enclosed switchgear and control

gear for rated voltage 1 kV and up to and including 52 kV.

IEC 62271-1 Common specification for high voltage

switchgear and control gear standards.

IEC 60168 Test on indoor and outdoor post insulators of

ceramic material or glass for systems with nominal voltages greater than 1 000 V


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IEC 61952 Composite line post insulators for A.C.

systems with nominal voltages greater than

1 000 V

IEC 60255-22.1 Electrical disturbance tests for measuring

relays and protection equipment.

IEC 60721, part 3-3 Classification of environmental conditions.

IEEE Std. 693 Recommended practice for seismic design of

substations.

ISO 9001 Quality management systems.

ASTM B 201 Standard practice for testing chromate

coatings on zinc and cadmium surfaces.

ASTM B 579 Standard specification for electrodeposited coatings of tin-lead alloy (solder plate).

ASTM B 580 Standard specification for anodic oxide

coatings on aluminum.

ASTM-A-153 Standard specification for zing coating (hot-dip) on iron and steel hardware.

DIN EN ISO 2409/72

Paints and varnishes – Crosscut test.

8. TECHNICAL DOCUMENTATION

8.1. General

All data, nameplates and descriptive materials shall be in English or Hebrew. Dimension and weights shall be shown in metric units. All descriptive materials (lists, instruction books, etc.) should be numbered and dated for easy identification and reference purposes. Indicate for all requirements, number of drawing, catalogues or other documents.

During the tender process, IECo, on its own discretion, may ask to receive additional technical documents relevant to the bidder’s proposal. The bidder will be obliged to submit the documents according to a specified time.

8.2. Technical documents to accompany the proposal

The Contractor should submit with the proposal the following documents and information in four (4) copies, and four (4) compact discs in word format (dwg. format for drawings):

8.2.1. Summary of data: All Clauses.

8.2.2. Quality Assurance documentation


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Quality Assurance related documentation, according to the Appendix № 2: "PROCUREMENT QUALITY REQUIREMENTS" (spec. No: Q – APP – 02) should be submitted for information. Particularly the following:

Certification of Approval of the Quality Assurance System according to the ISO 9001 Standard given by an Authorized Inspection Agency.

A list of Quality Assurance Standards and Quality Assurance Manual.

Design control procedures.

Quality plan during manufacture.

Acceptance test procedures for materials and sub-assembles.

Non-conformance and corrective action procedures.

Qualification of Subcontractor's Procedure.

List of qualified Bidders of the most important parts and components.

A preliminary Inspection and Test Plant (I&T plan).

8.2.3. Drawings and tests

Dimension drawings giving principal dimensions.

Description of the arrangement of different equipment inside the switchgear.

Cross-sections through the cubicles.

Description and drawings of provisions for installing the switchgear on the concrete floor.

Drawings and technical data for circuit breaker and its operating mechanism.

Drawings and technical data for disconnector.

Drawings and technical data for support and partition isolators.

Drawings depicting the interlock system.

Description of all measuring control and protective relaying equipment.

Thermal calculation of the cubicle ventilation for heat evacuation.

List of accessories and fittings with short description, technical data and catalogues.

Drawings of all nameplates.

Type tests reports (authority, number and date) for offered type of circuit breaker, disconnector and the fully assembled switchgear, including test circuit, instruments used and description of method.

Customer list for the last five years, with sum for each year (number of units, date of supply, Purchaser).

A list of all items to be shipped separately for field assembly.

A list of recommended special tools and instruments necessary for assembling of the metal-clad switchgear.

A list of necessary accessories for lifting.

A list of all parts which could wear out after expiration of the warranty period, after 5 years and 10 years of operating according to Manufacturer or users experience.

General instruction book for storage, erection, operating and maintaining.

A list of Quality Assurance Standards and Quality Assurance Manual.

Certificate for approval of the Quality Assurance System according to ISO 9001 Standard given by an Authorized Inspection Agency.

Quality plan during manufacture.

Acceptance test procedures for materials and sub-assembles.

Inspection and test procedures


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8.2.4. A proposal not including the documents mentioned above can be rejected.

8.2.5. Contractor may be required to send his representative to discuss and/or explain

parts of his proposal with IECo's representatives.

8.2.6. All the drawings and information submitted with the proposal shall be final

drawings and final information approved by the Bidder.

8.2.7. Evaluation of bidder's technical proposal

All requirements in this Specification indicated by the symbol are

compulsory requirements. In case Bidder’s proposal will not comply with one of the compulsory requirements, his offer will be disqualified.

For evaluation purposes the Bidder is requested to fill in, in the next

paragraphs, the offered data and parameters against Purchaser’s required values as well as in the absence thereof, in the free columns of the right hand side. A definite answer (yes or no) or appropriate comments shall be given to all other requirements.


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8.3 Technical documents after notification of award

8.3.1 After notification of award, Contractor shall within 30 (thirty) days of the date of award, submit to the Purchaser for approval four (4) sets of prints and four (4) compact discs in word format (dwg. format for drawings) covering the following information:

Outline drawings of the cubicles No 1,2 and of the whole switchgear, including all necessary details for erection, such as general dimensions, weights, fixing holes, static and dynamic forces, size and locations of the earthing terminals, etc.

Sections and views on the internal equipment: disconnector, circuit breaker, busbars, isolators, etc.

Line and earth terminals details (material, shape, cross-section).

Technical catalogs of all the equipment.

Schematic and detailed wiring drawings.

Nameplate drawings with all data fulfilled.

Bill of materials.

Shipping assembly drawing with overall size and weight.

Final list of all subcontractors and sub suppliers including name, address and a copy of their Quality Assurance Certificate.

Instructions manuals, technical directives, drawings and any other relevant descriptive materials which shall contain all information required for the mounting, commissioning, operation, maintenance, periodic checking and repair of offered equipment.

8.3.2 After notification of award, Contractor shall within 60 (sixty)days of date of award, submit to the Purchaser four (4) sets of prints of Quality Assurance Manual including a full description of Contractor's Quality Assurance

program.

Contractor shall furnish the following Quality Control documentation:

Inspection and Test Plan included in Contractor's Quality plan.

Quality Control Procedures.

Testing procedures as per applicable standards.

Non-conformance's procedures.

List of sub-suppliers of the most important parts and components.

8.3.3 Purchaser reserves himself the right to require all necessary additional data, descriptions, drawings, etc. that may contribute in completing information supplied by Manufacturer about the equipment.

8.3.4 If the prints are returned by the Purchaser and stamped "approved except as noted", Contractor shall make corrections per Purchaser's marking and shall resubmit required copies of the correct documents as stated above.

8.3.5 Routine test reports shall be submitted for approval 1 (one) month before delivery, in four (4) copies.

8.3.6 The shipment cannot be realized before test approval.

8.3.7 Commissioning program shall be supplied for approval in four (4) copies,

three (3) months before delivery.


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8.3.8 Contractor is free to supply any additional information considered necessary for clarifying various aspects of erection, operation, maintaining, checking, etc.

8.3.9 All documents and drawings shall be provide with:

Purchaser name.

Project name.

Unit serial number.

Purchaser's order number.

Specification number.

Supplier's order number.

9. TECHNICAL REQUIREMENTS

9.1. General data The switchgear shall be air or SF6 insulated, single phase, for indoor installation

(inside the switchgear room).

The following substation elements shall be connected to the switchgear (see drawing

EVK-8457):

Neutral point of 24 kV, 300 A (2 hours) earthing transformer.

300 A (2 hours) arc suppression reactor (Petersen coil) for 24 kV systems.

Substation earthing system.

All connections between the switchgear and substations elements shall be by single-

phase 18/30 kV, 1x150² CU cables.

9.1.1 Climatic conditions

Long periods without rain, alternating with high humidity as experienced in coastal or desert areas in this country.

Permissible ambient air temperature:

Maximum: +40 Minimum: -5 °C. Average value over a period of 24 hours not exceeds: +35.

Permissible humidity: Low relative/absolute humidity: 4/0.003 %//g/ m³. High relative/absolute humidity: 100/36 %//g/ m³.

Low/high air pressure: 70/106 KPa.

9.1.2 Environmental conditions

Environmental parameters according to IEC 60721, part 3-3.


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Chemically active substances according to IEC 60721 part 3-3, Table 4-3C3.

Mechanically active substances according to IEC 60721 part 3-3, Table 5-3S3.

Permissible altitude over the sea level: 1000 m.

9.1.3 Seismicity on the site

The seismic design of the switchgear shall be based on the seismic qualification requirements stated in IEEE Std. 693.

The required seismic qualification level shall be: moderate level.

9.1.4 Acceleration during transportation

Vibrations and shocks (non stationary vibrations including shocks). The expected accelerations on the equipment transported on roads to be considered:

Longitudinal: 2g.

Transversal: 1.2g.

Vertical: 1.2g.

Permissible temperature during transportation and storing: Maximum: 55°C Minimum: -5°C

9.1.5 Electromagnetic environment

The electronic devices delivered with switchgear shall withstand an electromagnetic environment having the following maximum severity levels according to IEC 60255-22; Part1,2,3.4 :

Severity level for electrostatic discharge : 4 kV

Severity level for radio frequency : 10 V/m

Severity level for electrical 1 MHz burst disturbance : 2.5 kV

Severity level for fast transient : 2 kV

9.1.6 Other requirements

The switchgear shall be vermin proof.


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9.1.7 SYSTEM DATA Item 1 22 kV

System

9.1.7.1 Rated system voltage (line to line) (kV) 22

9.1.7.2 Highest system voltage (line to line) (kV) 22

9.1.7.3 Highest system voltage (line to ground) (kV) 13.85

9.1.7.4 Maximum phase to ground voltage in case of earth fault………………...…(kV)

22

9.1.7.5 Rated frequency……………….……(Hz) 50

9.1.7.6 Range of frequency variation……...(Hz) 50.5-47.2

9.1.7.7 System neutral …………….……………

Via Petersen coil or via earthing

transformer*

9.1.7.8 Earth fault factor.................................... 1/1.73

9.1.7.9 Fault duration (three phase fault, sec)… 2

9.1.7.10 Fault duration (single phase fault, hours) 8

9.1.7.11 Line auto - reclosing policy Three-phase,

two shots

9.1.7.12 Basic Insulation Level – BIL (1.2/50µsec) (kV peak) 125

9.1.7.13 One minute withstand voltage (50Hz) (kV, r.m.s) 50

Might be occasionally solidly grounded for short periods of time ٭

9.1.8 Special requirements for environmental protection

9.1.8.1 Due to the severe environmental conditions to which the equipment may be subjected during its service life, the following requirements for its protection form an integral part of the Specification and are in addition to the standard design and protective measures which the Manufacturer would normally invoke for these conditions:


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9.1.8.2 All aluminum components shall be fabricated from grades of aluminum which

show resistance to salt spray and moist conditions; e.g., Al-Mg base alloys. Al-Cu alloys are not acceptable. After fabrication, all aluminum components shall be anodized according to ASTM B 580 Type A.

9.1.8.3 All copper or copper alloy components shall be electrolytically tinned

according to ASTM B 579 Service Condition SC4.

9.1.8.4 Bolts, nuts and washers as well as components such as springs, pins and

those for which a tight maintained dimensional tolerance is required shall be

made of stainless steel. The preferred stainless steel is an austenitic grade;

however, if physical requirements are overriding, other stainless steel grades

will be acceptable.

Austenitic grade will be subject to a solution quench. Prior to being placed into service all stainless steel components will be cleaned and passivated.

9.1.8.5 When dimensionally and functionally allowable, all structural support and

associated steelwork of the equipment shall be hot-dip galvanized according

to ASTM A 123. The thickness of the zinc shall be at least 100µm on

average, but the minimum thickness shall be not less than 90µm.

If dimensional or functional requirements do not allow hot-dip galvanizing,

steel parts will be electrolytically zinc plated to a minimum measured

thickness of 20µm.

9.1.8.6 Components such as sleeves or bushings which may be fabricated having an inner face of one metal and a supporting outer face of another, or conductors which are used with connectors of a dissimilar metal, are to have their exposed interfaces protected against moisture.

9.1.8.7 All exposed metal surfaces of the switchgear shall be coated according to

Manufacturer's standard. Include in your technical proposal the painting standard you will use.

9.1.8.8 All components shall successfully withstand in operation the climatic and

environmental conditions as defined under clause 9.1.1, 9.1.2 above.

9.1.8.9 All exterior surfaces of the equipment shall be coated with a corrosion inhibitor type primer, an intermediate and a finish coat. The total paint thickness shall not be less than 150µm.

9.1.8.10 Environmental conditions shall not cause corrosion or deterioration of the gaskets and/or material of gasket joints. All interiors of enclosures, panels, cabinets, etc. which are not of corrosion resistant metal, shall be thoroughly cleaned, primed and painted.

9.1.8.11 A small quantity of touchup paint, identical to the specific finish coat, shall be furnished with the equipment.


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9.1.8.12 Manufacturer is requested to describe or indicate deviations (see clause 15, Annexure "B") from above requirements. In case no deviations are mentioned it will be understood that Manufacturer's offer entirely complies with the above-mentioned requirements.

9.2 Reliability, availability, maintainability (RAM)

The Bidder is requested to fill in the enclosed Appendix № 3 “Reliability,

availability, maintainability and safety” based on relevant information from

users. Bidder shall describe the system of relevant data collection from users.

This data is to establish the Contractor’s reliability statements.

9.3 Functional requirements Not relevant.

9.4 Properties & ratings

RATINGS

9.4.1 Rated voltage – phase to ground for 24 kV system (not less, kV)

13.85 ©

9.4.2 Rated current for continuously operation (A) ........ 400 ©

9.4.3 Rated current for short time (5 sec) operation (A) 1500 ©

9.4.4 Rated frequency (Hz) ............................................ 50 ©

9.4.5 Rated short duration (1 min) power frequency

withstand voltage (kV r.m.s.) ……………………… 50

9.4.6 Rated lightning impulse withstand voltage

(kV peak)................................................................ 121

9.4.7 The components of the equipment and switchgear shall be able to carry the specified rated current continuously without exceeding the limit values of temperature rise state in the standard ..................

IEC 62271-1

9.4.8 IEC 60529 otDegree of protection acc. IP3X


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9.5 Design & construction

CLAD SWITCHGEAR-REQUIREMENTS FOR METAL 1.5.9

9.5.1.1 The switchgear connections shall be of air (at atmospheric pressure) or SF6 insulation type designed for indoor installation.

9.5.1.2 The metal-clad switchgear shall include the following two cubicles (see drawing EVK-8457): - Cubicle No 1 for connection toward earthing transformer and arc suppression reactor. - Cubicle No 2 for connection toward substation earthing system.

The Contractor can suggest another cubicle configuration as an alternative connection solution.

9.5.1.3 Each above mentioned cubicle shall be defined as a separate transportation unit which will be assembled on site in order to create the whole metal-clad switchgear.

9.5.1.4 A mimic diagram depicting one line diagram shall be provided on the front of the metal-clad switchgear. The mimic diagram shall include position indicators for the disconnector and circuit breaker as well as voltage indicators to indicate the presence of voltage on the cable terminals.

9.5.1.5 Each control cubicle shall be designed with the following features:

9.5.1.6 Stable framework.

9.5.1.7 Rear, side, top and bottom covers.

9.5.1.8 Front door with transparent window for checking up the disconnector's main contacts position.

9.5.1.9 Partition walls between units.

9.5.1.10 Bottom plates equipped with cable glands. The bottom plate for customer cables shall be removable.

9.5.1.11 Solid copper earthing bar.

9.5.1.12 Access to the internal equipment shall be from the front only.

9.5.1.13 For repair and maintenance purposes each cubicle shall be provided with the possibility to dismantle (by screws) the front and side plates.

9.5.1.14 Each cubicle will be provided with painting and corrosion protection.

9.5.1.15 Contractor is requested to mention if it is necessary to provide cubicle ventilation (natural or forced) in order to evacuate the heat produced by current flow or by closing the disconnector or current breaker.


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9.5.1 REQUIREMENTS FOR METAL-CLAD SWITCHGEAR (cont.)

9.5.1.16 Protection against overpressure:

9.5.1.17 Each cubicle shall be provided with a pressure relief device to relieve the pressure developed inside the cubicle when an internal arcing occurs.

9.5.1.18 Suitable deflectors for the pressure relief device shall be provided to protect operating personnel who may be present at site.

9.5.1.19 Partition and support insulators

9.5.1.20 The support insulator shall have appropriate strength to ensure that the connection bus bar spacing and clearances are maintained when faults occur.

9.5.1.21 The partition insulators shall ensure withstanding the maximum pressure in the cubicle when an internal arcing occurs.

9.5.1.22 Associated steelwork

9.5.1.23 All metallic frames and rails fixed in the concrete floor for fixing the metal-clad switchgear will be delivered by civil work contractor' according to the design of the Contractor of the metal-clad switchgear.

9.5.1.24 Earthing

9.5.1.25 The earthing of the switchgear shall be performed according to IEC 62271.

9.5.1.26 All metallic parts of the metal-clad switchgear normally not energized shall be included in the earthing circuit.

9.5.1.27 The continuity of the earthing circuit shall be ensured taking into account the thermal and electrical stresses caused by the fault current they may have to carry.

9.5.1.28 All necessary ground pads, flat copper and copper rope conductors for earthing shall be provided by the Contractor.

9.5.1.29 Each cubicle of the switchgear shall be provided with two (2) ground pads. The ground pads shall be copper faced. The pad's location shall be marked in the dimension drawing.

9.5.1.30 The ground pads and the earthing connections shall be designed to withstand a short time (5 sec) current of 1500A.


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9.5.1.31 Auxiliary and control circuits:

9.5.1.32 The wiring of the measuring and tripping units shall be performed according to Appendix № 5

9.5.1.33 Heating of the tripping unit and circuit breaker operating mechanism shall be provided

9.5.1.34 The Purchaser can furnish the following power supply: - Heating purposes (V AC single phase) - Motor of operating mechanism (V DC) - Control circuits (V DC)

9.5.1.35 All wirings shall be terminated at terminal blocks. Each terminal block shall be provided with not less than 10% spare terminals and shall be spaced to allow clearance on all sides

9.5.1.36 All terminals will be clearly labeled and numbered

9.5.1.37 The control boxes shall be designed bottom closed with plates with cable glands

9.5.1.38 All manual control equipment or terminals will not be mounted higher than 1800 mm or lower than 600 mm

9.5.1.39 Control circuits and power circuits shall be in separate cables

9.5.1.40 Busbars:

9.5.1.41 The busbar conductor shall be capable to carry without over-heating the rated current

9.5.1.42 The busbar conductor shall be sized so to withstand the dynamic forces due to short-circuit current

9.5.1.43 The busbar conductor shall be supported by insulators spaced at such intervals that under short-circuit forces any reduction in the phase-to-ground distance shall not cause any faults

9.5.1.44 Interlocks: The following interlocks between different components of the equipment shall be provided for reason of safety of the equipment (see EVK- 8457):

9.5.1.45 The disconnector Q1 and the earthing switch Q51 mechanical operating (close trip) shall be impossible if the circuit breaker Q0 is in close position

9.5.1.46 Mechanical interlock to avoid manual operation of earthing switch Q51 if the disconnector Q1 is in close position and close the disconnector Q1 if the earthing switch Q51 is in close position

9.5.1.47 The disconnector, earthing switch and circuit breaker operating (opening or closing) shall be impossible when the cubicle door is in open position

9.5.1.48 The Contractor is requested to indicate if in his opinion additional interlocks may be necessary

9.5.1.49 The locking position shall be provided with labels "open" and "closed respectively

9.5.1.50 Blocking in case of hand operation shall be identical to blocking in case of electrical operation


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9.5.1.51 Nameplates:

9.5.1.52 Each cubicle and their components (disconnector, circuit breaker, operating mechanism) shall be provide with corrosion proof and clearly legible nameplates

9.5.1.53 The nameplates shall include the data acc. to IEC 62271

9.5.1.54 In addition each nameplate shall include the following information: - Manufacturer's name - Type designation and serial number - Number of relevant standard - Number of Purchaser's technical specification - Number of Purchaser's order

9.5.1.55 All the nameplates shall be subject to Purchaser's approval

9.5.2 ADDITIONAL REQUIREMENTS FOR SF6 INSULATED SWITCHGEAR ONLY

9.5.2.1 Division into compartments The gas insulation system shall be divided into independent gas compartments

9.5.2.2 Such subdivisions shall be accomplished with gas tight segregating insulators so that the following requirements shall be observed:

9.5.2.3 The dielectric characteristic in one compartment shall not substantially alter when an adjacent compartment is reduced pressure (due to leaks or maintenance operation)

9.5.2.4 The dielectric strength of the insulation shall not be reduced as a result of switching operations during the service life.

9.5.2.5 The quantity of gas to be evacuated and recharged before and after maintenance operations shall be a minimum.

9.5.2.6 The extent of plant rendered inoperative as a result of excessive leakage or for maintenance operations shall be a minimum

9.5.2.7 The electrical connections between the various gas compartments shall preferably be made by means of multiple contact connectors so that electrical connection is automatically achieved when bolting one section to another

9.5.2.8 The surface of the connector fingers and conductor tubes on such connections shall be silvered

9.5.2.9 The Contractor shall give details in case of other electrical connections between gas compartments

9.5.2.10 Each gas compartment shall be provided with means for eliminating decomposition products and residual moisture


B-19

9.5.2. ADDITIONAL REQUIREMENTS FOR SF6 INSULATED SWITCHGEAR ONLY (cont)

9.5.2.11 SF6 gas requirements:

9.5.2.12 The SF6 gas shall comply with provisions acc. to IEC 60376 ©

9.5.2.13 Density of SF6 gas at 20 deg. and 760 torr - 6.16 (g/l)

9.5.2.14 Critical temperature for liquefying by compression of SF6 gas -

45.6 (ºC)

9.5.2.15 Impurity of group of impurities as determined by test acc. to IEC

60376

9.5.2.16 CF4 (concentration mass by mass ) - 0.05 (%)

9.5.2.17 Oxygen + Nitrogen, air - 0.05 (%)

9.5.2.18 Water - 15 (ppm)

9.5.2.19 Acidity expressed as HF - 0.3 (ppm)

9.5.2.20 Hydrolysable fluoride expressed as HF - 1.0 (ppm)

9.5.2.21 Gas monitoring The insulating capacity of the gas filled in the switchgear shall be monitored simultaneously with: - Temperature compensated gas density monitors or sensors - Pressure monitoring devices

9.5.2.22 The devices shall provide continuous and automatic monitoring of the state of the gas

9.5.2.23 The devices shall have alarm contacts setting and trip contacts setting. The alarm contacts are set to operate, as a warning to add more gas, when a critical low gas pressure or density is reached, due to gas losses. If gas pressure or density continues to drop, there will be an option to automatically trip, by the trip contacts, the circuit breaker, and thus isolate electrically the affected part of the switchgear

9.5.2.24 The switchgear will preferably be equipped with pressure-switches that will sense an internal arc presence in the gas compartments, in which they are located, due to the overpressure created by the arc itself. The pressure-switches will cause the tripping of the circuit breakers feeding the internal arc. The tripping is achieved through the pressure-switch contacts. The pressure-switch contacts are of stay-put type and they stay in the changed-over (trip) position independently of the internal arc time duration. The reset is achieved by pushing a release button

9.5.2.25 Gas treatment devices

9.5.2.26 Constructional measures for controlling moisture increase in SF6 gas or to remove the impurities, if any:

9.5.2.27 - Static filters

9.5.2.28 - Dynamic filters

9.5.2.29 - Desiccants

9.5.2.30 - Driers

9.5.2.31 - Other measures (please describe)


B-20


9.5.2.32 These constructional measures shall be provided as permanent facilities, preferably arranged so that they can be removed, replaced or recharged without having to take the switchgear out of service

9.5.2.33 Gas storage, filling and evacuation plant

9.5.2.34 SF6 gas supply system, if any, must be self-contained and must work independently

9.5.2.35 Each gas compartment shall be provided with a gas supply connection to permit evacuation or refilling with gas

9.5.2.36 The SF6 gas supply connection for the gas compartments shall be appropriate to connect the mobile DILO gas refilling devices type 3-019, 3-041, 3-020 and 3-061

9.5.2.37 The scope of supply shall include all the necessary SF6 gas storage cylinders, as well as those necessary for any other gases which may be used during commissioning and maintenance operations

9.5.2.38 The capacity of the temporary storage facilities shall be at least sufficient for storing the maximum quantity of gas that could be removed when carrying out maintenance or repair work on any parts of the switchgear and associated equipment

9.5.2.39 The design of the plant, valves, couplings, connections etc. shall be of such a standard that the leakage of SF6 gas during the filling and evacuating processes is kept to an absolute minimum

9.5.2.40 The arrangement of valves, coupling and pipe work shall also be such as to prevent accidental loss of gas into the atmosphere

9.5.2.41 The switchgear shall be filled up by SF6 gas according to evacuation principles

9.5.2.42 Gas seals

9.5.2.43 All gas seals shall be designed to ensure that leakage rates are kept to an absolute minimum under all normal pressure, temperature, electrical load and fault conditions

9.5.2.44 The seals shall not deteriorate when exposed to the gas and vapors as well as to temperature variations and mechanical forces that can be expected

9.5.2.45 Vent outlets Vent outlets, if any, shall be arranged so as to minimize the danger to an operator when performing his duties, if gases or vapors are escaping under pressure

9.5.2.46 Shut off valves All shut off valves shall be equipped with protective cover over the valve spindle to guard against unauthorized operation


B-21


9.5.2.47 Visual alarm signals, as well as the control and protection equipment associated with gas density/pressure monitoring devices shall be provided, together with any relays for the alarm, indication, protection and control released to gas monitoring. Provision shall be made for remote signaling

9.5.2.48 The alarm and trip signals, as well as indications and control on all SF6 gas monitoring circuits from the various compartments shall be grouped together at the front of the switchgear. Alarm and trip signals shall be displayed separately

9.5.2.49 Legends shall be provided for each signal to permit easy identification of source of trouble. The legends shall be in English or in Hebrew

9.5.2.50 The control and protection circuits associated with the gas monitoring devices shall be supplied with the switchgear as part of this Contract

9.5.2.51 Complete scheme of SF6 gas monitoring, alarm, indication, etc. circuits as well as the wiring schemes to all devices involved in these circuits, shall be supplied

9.5.2.52 The gas system name plate shall be provided. The name plate shall contain the following minimum information including a schematic physical representation of the gas system: - Each gas compartment and each gas monitoring

zone (if any) in the schematic physical representation. - Each gas barrier insulator. - Each gas bypass (if any) and fill point. - Rated density/pressure and reference temperature for

the pressure. - Maximum operated pressure and minimum dielectric

density/pressure. - Volume of each gas compartment or gas monitoring

zone.


B-22

9.5.3. CIVIL WORK GUIDE

9.5.3.1 The civil works for switchgear installation are not included in the scope of supply and will be supplied by others

9.5.3.2 The Contractor shall assist the Purchaser as part of this contract with the general layout design of the foundation (civil work guide) to ensure that the most suitable arrangement is obtained for supporting and fixing of the switchgear

9.5.3.3 The Contractor shall provide a complete plan detailing the fixing points, size of foundation, required cable trenches and lay down areas. All static and dynamic loads and dimensional tolerances shall be given on these drawings to enable the civil work design to be optimized

9.5.4 PREVENTION OF DIELECTRICAL STRENGTH REDUCTION

9.5.4.1 Surface Roughness:

9.5.4.2 The surface roughness of conductors and of the metallic enclosures shall be such that no reduction in dielectric strength occurs under the influence of the electric field strength. All relevant data shall be supplied.

9.5.4.3 Moisture

9.5.4.4 Particular attention shall be paid to the selection of suitable materials and to constructional features to prevent moisture penetration

9.5.4.5 General Contamination of Insulation

9.5.4.6 The design of hazarded insulation systems, the methods of clearing and preliminary treatment, the assembly, transport, etc. shall ensure that no ingress of impurities (left over from assembly, or metallic parts produced by switching operations) occurs so that the insulating capacity shall not be affected. This also applies to dust, fibres left from cleaning and traces of lubricant


B-23

9.5.5 REQUIREMENTS FOR DISCONNECTOR

9.5.5.1 Rated voltage (not less) 13.85 kV ©

9.5.5.2 Rated frequency 50 Hz ©

9.5.5.3 Rated current for continuously operation 400 A ©

9.5.5.4 Rated current for short time (5 sec) operation 1500 A ©

9.5.5.5 Rated short duration (1 min) power frequency withstand voltage 50 kV r.m.s.

9.5.5.6 Rated lightning impulse withstand voltage 125 kV peak

9.5.5.7 The frame of the disconnector shall be connected to the earthing conductor of the switchgear

9.5.5.8 The disconnector shall be operated manually. The operating handle shall be provided with padlock for locking the disconnector in open or close position

9.5.5.9 The operating handle shall be furnished with a flexible grounding strap, long enough to allow the rod rotation and span from the rod to a grounding pad

9.5.5.10 The disconnector shall be so constructed that it cannot come out of it open or closed position by external forces as gravity, vibration, electromagnetic forces etc.

9.5.5.11 The disconnector shall be provided with an indicating pointer linked directly to the operating shaft of the moving contact in order to indicate unequivocal the open and close position

9.5.5.12 Disconnector contacts:

9.5.5.13 Contacts shall be of the high pressure contact type and shall open and close sufficient positive action but shall not cause galling of the contact surface

9.5.5.14 All contact surfaces shall be silver plated

9.5.5.15 Auxiliary contacts:

9.5.5.16 The operating mechanism shall be provided with auxiliary contacts for signaling. Signaling shall be performed acc. to IEC 62271-102

9.5.5.17 The auxiliary contact block shall include 2NO + 2NC contacts for purchaser use

9.5.5.18 All auxiliary contacts shall be wired to the operating mechanism terminal block

9.5.5.19 Rated carry and making current for auxiliary contacts at 220 V DC shall be 20 A

9.5.5.20 Breaking current at 220 V DC (L/R < 20 msec) shall be at least 1 A

9.5.5.21 The disconnector shall have a name plate including all relevant characteristics


B-24

9.5.6 REQUIREMENTS FOR CIRCUIT BREAKER

9.5.6.1 Rated voltage (not less) 13.85 kV ©

9.5.6.2 Rated frequency 50 Hz ©

9.5.6.3 Rated current for continuously operation 400 A ©

9.5.6.4 Rated current for short time (5 sec) operation 1500 A ©

9.5.6.5 Rated short duration (1 min) power frequency withstand voltage 50 kV r.m.s.

9.5.6.6 Rated lightning impulse withstand voltage 125 kV peak

9.5.6.7 Rated breaking current not less than 1500 A ©

9.5.6.8 Rated breaking capacities not less than 20775 kVA ©

9.5.6.9 Rated operating sequence for rapid autoreclosing O-0.3sec-

CO-15sec-CO

9.5.6.10 Circuit breaker shall be able to break any current up to the rated breaking current at any voltage up to the maximum rated voltage as specified in clauses "Ratings' and "Tests"

9.5.6.11 The frame of the circuit breaker shall be connected to the earthing conductor of the switchgear

9.5.6.12 The circuit breaker shall be operated by an electrical operating mechanism. The closed or open position of the main contacts shall not change as a result of loss of the energy supply or reapplication of energy supply

9.5.6.13 The circuit breaker shall be so constructed that it cannot come out of it open or closed position by external forces as gravity, vibration, electromagnetic forces etc

9.5.6.14 Operating mechanism:

9.5.6.15 Control shall be arranged for local (manual and electrical) and remote control

9.5.6.16 It shall not be possible moving the main contacts from the open to the close position unless the operating mechanism spring charge is sufficient for satisfactory completion of the closing operation

9.5.6.17 Once the electrical command of an operation has been initiated, the power mechanism shall complete the open or close operation without requiring the electrical command to be held closed

9.5.6.18 Local/remote selector switch shall be provided on the front of the cubicle for selecting the desired mode of operation of the circuit breaker

9.5.6.19 A normally closed alarm contact in the "local" position shall be provided and wired to the terminals

9.5.6.20 The operating mechanism shall be provided with push buttons located inside the operating mechanism cabinet for local opening and closing of the earthing switch

9.5.6.21 On the front of the cubicle an electrical position indicating device shall be provided with following functions: Position 1 – closed Position 2 – open Position 3 – no voltage


B-25

9.5.6 REQUIREMENTS FOR CIRCUIT BREAKER (cont)

9.5.6.22 The circuit breaker shall be provided with an indicating pointer linked directly to the operating shaft of the moving contact in order to indicate unequivocal the open and close position

9.5.6.23 Control relays supplied with the circuit breaker shall be heavy-duty, with dust tight cover

9.5.6.24 The electrical motor shall be protected with a thermal-magnetic overload protection device

9.5.6.25 The electrical motor shall be provided with means for disconnecting the motor and the protection device from power supply

9.5.6.26 The circuit breaker shall operate correctly (opening and closing) when the supply voltage is in the limits 85-110%

9.5.6.27 Circuit breaker contacts:

9.5.6.28 Contacts shall be of the high pressure contact type and shall open and close sufficient positive action but shall not cause galling of the contact surface

9.5.6.29 Full contact and current carrying capacity shall be secured during reasonable over travel and under travel of the mechanism

9.5.6.30 Full contact and current carrying capacity shall be secured during reasonable over travel and under travel of the mechanism

9.5.6.31 Auxiliary contacts:

9.5.6.32 The operating mechanism shall be provided with auxiliary contacts for signaling. Signaling shall be performed acc. to IEC 62271-100

9.5.6.33 The auxiliary contact block shall include 4NO + 4NC contacts for purchaser use

9.5.6.34 All auxiliary contacts shall be wired to the operating mechanism terminal block

9.5.6.35 Heaters

9.5.6.36 Heaters shall be provided with thermostats

9.5.6.37 Nameplate

9.5.6.38 The circuit breaker shall have a name plate including all relevant characteristics


B-26

9.5.7 REQUIREMENTS FOR CABLE CONNECTIONS

9.5.7.1 The connecting cables will be of XLPE type rated 18/30 kV and will be furnished by the Purchaser

9.5.7.2 The terminations for cable connections shall be part of the Contractor's scope of supply

9.5.7.3 Cubicle No 1 shall be provided with 2 (two) terminations for 18/30 kV 150 mm² CU cables

9.5.7.4 Cubicle No 2 shall be provided with 1 (one) terminations for 18/30 kV 150 mm² CU cable

9.5.7.5 Manufacturer shall provide in the scope of supply the blind caps for protection against electric socks hazard for live cable terminations

9.5.7.6 Manufacturer shall provide in the scope of supply 3 (three) measuring sockets to be mounted on each cable for plugging-in a continuous voltage indicator DSA

9.5.7.7 Manufacturer shall provide in the scope of supply 3 (three) voltage indicators DSA. The voltage indicators shall be suitable for performance test on a power supply socket (220VAC, 50Hz)

9.5.8 DIMENSIONS AND WEIGHTS

9.5.8.1 The switchgear shall be assembled of 2 (two) fully separated cubicles. Each cubicle shall not exceed the 1000x1000x2250 mm (LxWxH)


B-27

9.6 COMMISSIONING

9.6.1 Contractor shall be responsible for the commissioning of all equipment covered under his contract in case it will be requested by Purchaser

9.6.2 Contractor shall prepare and submit three months prior to the start of commissioning, a Commissioning Program for approval by Purchaser

9.6.3 The Commissioning Program shall include indications for: 9.6.3.1 Commissioning inspection to detect faults which have

occurred during transportation, storing or assembly at its final location

9.6.3.2 Preparation for use and procedures to describe the activities required to prepare systems for testing and operation

9.6.3.3 Checking of rated data, connection, loading etc. of the equipment and necessary interface with the equipment supplied by others

9.6.3.4 Testing as detailed in tests on site program including: - the test objective- test intent - required performance data- prerequisites - sequence of activities - acceptance criteria

9.6.3.5 Putting the equipment into service

9.6.3.6 Final check

9.6.3.7 The critical limits of each criteria for which the equipment should be drawn out from service

9.6.4 Changes and modifications to the Commissioning Program shall also be approved by Purchaser

9.6.5 Commissioning results shall be witnessed by the Purchaser and documented on forms to be agreed upon by the Contractor. The record shall include other such as omissions or unsatisfactory test results

9.6.6 The Contractor shall maintain an up to date record of all inspections and tests, which shall be handed over to Purchaser at the completion of the site testing and commissioning

9.6.7 The Purchaser shall be responsible for connection and disconnection of the equipment to and from system, including first energizing, but with the advice and technical assistance of the Contractor (if required)

9.6.8 The Contractor shall be responsible for supplying commissioning personnel with a good knowledge in all relevant operations prior and for commissioning and will be requested to submit a list giving name, experience and proposed duration on site


B-28

9.6 COMMISSIONING (cont)

9.6.9 The Contractor shall be responsible for safety of personnel, ours or his own, involved in commissioning and shall take all possible precautions and be fully aware of dangers involved in testing. Contractor's personnel should also be ensured against death, personal accident and health while in Israel and be covered by Employers Liability Insurance applicable in their country of origin

9.6.10 Major failure or damage to equipment will require either its return to the factory or assignment of a special crew to carry out repairs

9.6.11 Commissioning personnel shall repair minor failure

9.6.12 All expensive (including transport to factory and return) in connection with damages and repairs as described above shall be paid by Contractor

9.6.13 If supervision of erection or commissioning by Contractor is necessary it have to be indicated

9.6.14 The validity of the warranty period shall be confirmed also in case that the erection and commissioning will be performed by Purchaser without Contractor supervision


B-29

9.7 Operation & maintenance

9.7.1 General

9.7.1.1 All mechanical couplings, contacts and other mechanism shall be adjusted and tested at the factory so that no such work is necessary in the field

9.7.1.2 A complete set of tools for maintenance and repair work (if applicable) shall be provided together with relevant drawings or photos and full instructions for use in English.

9.7.1.3 Manufacture shall ensure training course for IEC erection and operating people.

9.7.1.4 Manufacturer shall ensure spare parts for the delivered equipment for a period of life duration.

9.8 Spare & renewal parts

9.8.1 The Contractor shall indicate in the Proposal the life duration of the switchgear as a whole and the normal replacement cycle of the component parts.

9.8.2 The Contractor shall include in its technical proposal a detailed list of

spare parts, recommended for:

- The short term: start-up, commissioning and until expiration of the

warranty period.

- The long term: spare parts for periods of 5 (five) and 10 (ten) years

after the end of the warranty period.

9.8.3 The catalog and the lists shall include for each item:

- Item description and item designation.

- Likelihood that the part will be required for replacement during

each relevant period (short term, long term).

- Name of Contractor and Manufacturer.

- Necessary catalogue data for separate order.

- Optimal stocking level.

- If the supply is from the stock or by manufacturing after order.

- Lead time before supply (including transport time to Israel).

- Price.


B-30

9.8 Spare & renewal parts (cont)

9.8.4 All Spare Parts shall be new and unused in all cases.

The Purchaser reserves the right to purchase said parts directly from

the manufacturer or from another subcontractor.

The Contractor warrants that spare and renewal parts shall be

available for at least ten (10) years after supplying of the switchgear.

The Contractor guarantees that all the Spare Parts features will be

according to its catalogue and that the catalogue is periodically

updated.

The Contractor shall give hereunder tree lists of recommended

spare parts.


B-31

10. TESTS & INSPECTIONS

10.1 TESTS - GENERAL

10.1.1 Contractor shall perform Production Tests to check the quality and

uniformity of the workmanship and materials used in the manufacture

of the switchgear

10.1.2 Tests shall be carried out according to requirements further specified

and 4 (four) copies of the relevant test reports for the proposed type

of equipment shall be submitted to Purchaser with the proposal

10.1.3 8 (eight) weeks prior to the execution of the routine tests (also special

tests) the Contractor shall notify the Purchaser of the exact date of

performing the test

10.1.4 The Contractor shall submit test data to prove that the design has the

capability to meet all the ratings as specified in Annexure "B" as well

as relevant test reports

10.1.5 The Contractor shall prepare and submit an acceptance test plan

according to this Specification at least 8 (eight) weeks before the

testing

10.1.6 The Purchaser can require to carry out the tests in the presence of

the Purchaser representatives

10.1.7 The Contractor shall submit a list of all tests to be performed on site,

after mounting of the equipment and during operation

10.1.8 The Contractor shall indicate permissible tolerance for each test

value

10.1.9 Contractor shall submit with the test reports a list of all measuring

instruments including their accuracy class and type, test equipment

and test circuits, calibration certificate from authorized laboratory

10.1.10 The equipment can be delivered only after Purchaser's approval of

all relevant routine test reports

10.2 TYPE TESTS

10.2.1 Type tests from a neutral Laboratory authorized in accordance with ISO 17025 (e.g. KEMA) performed for the offered type of the equipment according to the provisions of the latest relevant issue of IEC Recommendations shall be submitted to Purchaser in 4 (four) copies with the proposal (tender)

10.2.2 Type tests shall be performed for all switchgear components as defined in Appendix № 1

10.2.3 Purchaser can require from Contractor to perform again type tests that are not performed according to the requirements in this Specification

10.2.4 The type test reports shall be performed for the first delivered

switchgear


B-32

10.3 ROUTINE TESTS

10.3.1 Contractor shall perform routine tests for offered type of switchgear according to provisions of the latest relevant issue of IEC Recommendations and submit all relevant test reports as defined in Appendix №1 ©

10.3.2 Contractor shall submit the routine tests reports to Purchaser for approval in 4 (four) copies one month prior to delivery

10.3.3 The equipment can be delivered only after approval of all routine test report ©

10.4 SPECIAL TESTS

10.4.1 Contractor shall perform special tests for offered type of the switchgear and submit all relevant test reports as defined in Appendix №1

10.4.2 The equipment can be delivered only after approval of all special test reports

10.5 ACCEPTANCE TESTS

10.5.1 In addition to the tests mentioned above Manufacturer shall perform the acceptance tests (if applicable) and supply test reports accordingly

10.6 EQUIPMENT QUALIFICATION TO PROVE SEISMIC WITHSTAND

10.6.1 The offered switchgear shall be analyzed to prove the seismic design. The equipment shall be qualified according to IEEE Std 693 Required seismic qualification level – Moderate level

10.6.2 After performing the analysis the Contractor shall submit for approval the calculation that demonstrate the anchorage requirements according to IEEE Std 693 A.1.4., M.1.2


B-33

11. PACKAGING & DELIVERY

11.1 In addition to the provision of the General Conditions Annexure "A", Contractor shall package all shipment in such manner as required to prevent any damage to the equipment during prolonged storage (2-3 years) under the climatic and environmental conditions described under clause 9.1 above

11.2 Any components or accessories not included in the main shipment shall be shipped by Air Mail, by Air Express or by Air Freight, at Contractor's expense

11.3 The spare parts and special tools shall be packed separately and a detailed packing list shall be sent

11.4 All components or accessories shipped dismantled for field assembly shall be suitably tagged to show its identification. Tags shall be exceptionally durable and security tied to items by wire or other approved methods

11.5 Contractor shall include a Bill of Materials with a shipment to enable the Purchaser to determine if all disassembled items have been received

11.6 Contractor shall submit prior to erection a detailed tabulation of all field mounted items with at least the following information:

Contractor's shop order number (if any),

Number of items,

Manufacturer and/or Supplier (if other than Contractor),

Type or catalog number, if listed,

Short description including service and on what device it is mounted,

Shipping date,

Shipping details.

11.7 A three direction shock indicator calibrated for 10g acceleration non-resettable type shall be provided in each crate

11.8 Contractor shall supply 3 (three) months before the shipment of the equipment 5 (five) sets of the complete Bill of Materials to enable checking and identifying of the equipment upon receipt of the same

11.9 Each item shall be separately packed and the destination clearly marked.

11.10 Each packing crate shall have a packing list and in addition shall be marked with following information:

Descriptive name(s) of equipment or supplies contained

Quantity packed in a crate

Serial numbers, if any, of the equipment contained

Contract (order) number Contractor's name and address (city, state, and country) Gross weight of container Complete destination marking

Indication in which position (horizontal or vertical) the equipment has to be transported


B-34

12. STORAGE & HANDLING

12.1 With regard to the shipment and handling of all equipment to be provided by the Contractor to the Purchaser, Contractor shall be responsible for ensuring that shipment and handling shall be wholly in the conformance with Article B of IECo General Conditions for Equipment and Material Purchases attached to this Specification as Annexure "A"

12.2 Taking into account the specific climatic conditions described under clause 9.1 the Contractor shall indicate:

The requirements for prolonged storage before erection

The maximum allowed storage time not energized without equipment damage (months)

12.3 All items should have their lifting, jacking and haulage points

13. NAMEPLATE / MARKING

13.1 Each switchgear shall be provide with corrosion proof and clearly legible nameplate of suitable material including the data indicated in IEC 62271-200 cl.5.10

13.2 In addition the following data shall be provided:

A diagram showing the use of each secondary winding and its corresponding terminal marking

Date of manufacture

Name and number of standard

13.3 The nameplate shall be subject to Purchaser's approval

14. NOTES Progress Reports shall be submitted in accordance with General Conditions

Annexure "A".


B-35

15. SPECIAL REQUIREMENTS

15.1. COMMENTS BY MANUFACTURER ON ANNEXURE "B"

Name of Contractor: __________________________________________________


B-36

15.2. DEVIATIONS FROM REQUIREMENTS


Contractor is requested to describe or indicate deviations of the equipment and accessories

from all requirements in this Specification.

In case no deviations are mentioned it will be understood that Contractor's offer entirely

complies with all requirements in this Specification.


B-37

15.3. CONFORMITY WITH PROPOSAL DOCUMENTS


Contractor hereby certifies that he agrees to all provisions of the Proposal Documents

unless exceptions are specifically and clearly listed in the Proposal and identified as

Exceptions. Contractor printed terms and conditions are not considered specific

exceptions. Any exceptions, which Contractor has taken, are listed on Page:

____________

Contractor hereby certifies that he agrees to all conditions of the cover letter of THE

ISRAEL ELECTRIC CORPORATION LIMITED, which accompanies the Proposal

Documents.

___________________________ ______________________________

Signature of Contractor Date of Proposal