Specification for Purchasing

Item : Crude Oil Transfer Pump - Cable Free Type of Submersible Pump

Site : Yeosu extension underground crude oil storage cavern

May. 2006

Korea National Oil Corporation

Construction Dept.

- CONTENTS -

Ⅰ. GENERAL SPECIFICATION

1. GENERAL

2. SHIPMENT

3. WITNESS TEST

4. SUPERVISION

5. GUARANTEE

6. PAYMENT

Ⅱ. TECHNICAL SPECIFICATION

1. GENERAL

2. DESIGN AND CONSTRUCTION REQUIREMENTS

3. INSPECTION & TEST

4. NAME PLATE

5. PAINTING

6. PACKING

7. DOCUMENTATION

Attachment	#1 : Data Sheet

#2 : Shaft & Pump Pit Section Drawing

#3 : P&ID,PFD

Ⅰ. GENERAL SPECIFICATION

1. GENERAL

Korea National Oil Corporation(hereinafter KNOC) intends to install the submersible pumps in underground Crude Oil storage caverns.

2. SHIPMENT

A. The shipment should arrive at purchaser's designated place(Yeosu site).

B. Port of discharge : PUSAN, KOREA

3. WITNESS TEST

A. All witness test fee(for performance test) including air fare for business class and living cost shall be quoted separately but the fee should be included in commodity price.

B. Following tests shall be done by KNOC's representative.

-Motor & Hydrostatic Test : 2men × 10 net working days × 1time

-Pump Performance Test : 2men × 15 net working days × 1time

4. SUPERVISION

A. The supplier shall dispatch engineers for the supervision of installation, start up and test operation. The termination of the supervision is to be approved by KNOC.  The supplier shall quote supervision fee including the fares and the cost of the living and travelling, and the fee is to be included in commodity price.

5. GUARANTEE

A. The equipment should be guaranteed by the supplier in normal operation with the specified operating conditions and this guarantee shall be continued for 24 months after commissioning

B. If any defects or malfunction occur during the guarantee period, the supplier shall   provide all necessary alterations, repairs and replacements, free of charge.

6. PAYMENT

The following payment terms are applied to this matter.

A. Prepayment 20% after contract

B. The progress payment must be paid among the 70% which is settled by KNOC in 2006. And the rest of 70% shall be paid after the delivery.

C. 10% after the completion of installation & commissioning

7. DELIVERY

The appointed date of Pump & Accessories delivery must be twelves months later after contract, but all Lower Caissons and T-pieces should be arrived at purchaser's designated place(Yeosu site) until February. 28. 2007.

Ⅱ. TECHNICAL SPECIFICATION

1. GENERAL

1.1 Scope

1.1.1 This specification covers the minimum requirements for design, materials, fabrication, inspection, testing and supply of submersible pump(electrical motor driven type) in underground Crude Oil storage caverns.

1.1.2 The supplier shall be fully responsible for the design, manufacturing and guarantee of the pump required by this specification.

1.1.3 In case of conflict between this specification and the codes,  the supplier shall confirm with the purchaser prior to manufacturing.

1.1.4 The supplier shall be fully responsible for the design, manufacturing and performance of all mechanical and electrical parts, in accordance with the latest edition of following standards & codes.

A. API 610 (American Petroleum Institute 610 "Centrifugal Pumps for General Refinery Service")

B. ASTM (American Society for Testing and Materials)

C. HI (Hydraulic Institute Standard)

D. NEMA (National Electrical Manufacturer's Association)

E. NEC (National Electrical Code)

F. TEMA (Tubular Exchange Manufacturers Association)

G. ANSI B 16.5 (American National Standards Institute "steel pipe flanged fittings")

H. DIN (Deutsches Institute Fur Normung)

I. ASME SEC Ⅷ DIV.1 (American Society of Mechanical Engineers "boiler and pressure vessel code")

J. IEC (International Electrotechnical Commission)

K. ISO(International Standard Organization)

L. NAS(National Aerospace Standard)

1.2 Scope of Work

1.2.1 Engineering & Documentation

1.2.2 Manufacturing & Delivery at Yeosu site

1.2.3 Inspection & Test at Shop

1.2.4 Painting(Primer and Finish) at shop

1.2.5 Seaworthy export packing

1.2.6 Supervision for Installation & Test

(to specify individual costs)

1.2.7 Witness test

* out of scope(scope of KNOC)

- Installation/ Wiring & Conduit outside the junction box at top of

the cavern shaft.

- Discharge Caisson Pipe(Exclusive of Lower Caisson Pipe)

- Guide Ring Support

1.3 Scope of Supply

1.3.1 Loading pump for crude oil --------- 12 sets (4,250m3/h, 140m)

1.3.2 Cable free type of submersible Pump & motor(Including the following per 1set)

A. Submersible pump and motor unit------------------------------- 1 set

B. Pipe Stack(cofferdam pipe)/Lower caisson/pump adaptor ------------ 1 lot

C. Power transmission system comprising --------------------------- 1 lot

◦ Power conductors shall be mounted inside of a protective cofferdam pipe

with flange connectors for each section.(Each section length shall be 6m long)

D. A top plate arrangement including ------------------------------- 1 lot

◦ Cavern head plate with all aux. connections

◦ Lube oil circulation unit including hydraulic oil tank, electrical equipment, instruments and junction box for power cable and control cable connection with packing type cable gland.

◦ All instruments(pressure, level & temperature gauges) at the in/outlet of hydraulic unit.

◦ Interconnecting hydraulic oil piping

◦ Connection for inert gas system

E. Top T-piece with discharge flange ------------------------------ 1 set

F. Junction box for power cable connection(including power connection kit for connection with outside cable) ------------------------------------------- 1 lot

G. All bolts, nuts and gaskets for completing installation in cavern --------- 1 lot

H. Mounting device --------------------------------------------- 1 set

I. Other accessories & necessary for operation ----------------------- 1 lot

J. Initial charge of hydraulic oil and/or lube oil ---------------------- 1 lot

k. Casing pipe for protecting Cassion Pipe & Pump(If required) -------- 1 lot

L. Spare Parts

a. Spare parts for Commissioning ------------------------------- 2 lot

b. Spare parts for 2 years operation   ----------------------------  2 lot

1.4 Operation and Design Condition

Names	Oil Loading Pumps	Remark
A. Equipment Tag No. B. Pumping operating condition ◦ Liquid ◦ Pumping temp at P.T (Nor.) (℃) ◦ Dewaxing temp. (℃) ◦ Specific gravity at P.T. ◦ Viscosity at P.T (cp) ◦ Vapor pressure at P.T (kgf/cm2a) ◦ Cavern operation press (kgf/cm2a) ◦ Capacity (Normal) (m3/h) ◦ Pressure Discharge (Nor.) (kgf/cm2g) Suction (aver. liquid level)(kgf/cm2g) Differential (kgf/cm2) ◦ Differential head (mlc) (m) ◦ NPSH available (liquid) (mlc) ◦ Impeller type ◦ Discharge nozzle 38"(Lower Caisson) ◦ Discharge nozzle 28"(Top-Piece) ◦ Intermediate Flange 38"(Top-Piece)	P-F411A/B P-F421A/B P-F431A/B P-F441A/B P-F451A/B P-F461A/B Crude Oil 15 60 0.87 10.74 0.204 0.5 - 1.7 4,250 14.3 2.1 12.2 140 13.5 Closed ANSI or MSS #300 RF ANSI or MSS #150 RF ANSI or MSS #150 RF

Names	Oil Loading Pumps	Remark
◦ Efficiency at rated (%) ◦ Casing design pressure (kgf/cm2a) ◦ Hydrostatic test pressure(kgf/cm2a) C. Motor ◦ Supplied by ◦ Mounted by ◦ Type ◦ Enclosure ◦ Volt/phase/cycle (V / ph / Hz) ◦ Insulation class D. Control source E. Material & Code to be applied ◦ Pump casing, Bearing bracket ◦ Impeller, Suction cover ◦ Pump shaft ◦ Shaft sleeve ◦ Motor housing ◦ Hydraulic oil tank or water vessel. ◦ Top or head plate ◦ Cofferdam pipe (If required) ◦ Lower caisson (If required) F. Parallel operation in series	Min 80 21 31 Pump vendor Pump vendor Submersible IP 68 6600 / 3 / 60 F AC220V, 1ph, 60Hz or DC24V 22Cr. Duplex, UNS S31803 22Cr. Duplex, UNS S31803 ASTM A 322 22Cr. Duplex, UNS S31803 22Cr. Duplex, UNS S31803 ASTM A 240 ASTM A 572 22Cr. Duplex, UNS S31803 22Cr. Duplex, UNS S31803 2 sets

2. DESIGN AND CONSTRUCTION REQUIREMENTS

2.1 General

2.1.1 This specification covers the minimum requirements for API 610(the latest edition,

where applicable)

2.1.2 The equipment(including auxiliaries) covered by this standard shall be designed and constructed for minimum service life of 20 years and at least 3 years of uninterrupted operation.

It should be recognized by suppliers that this is design criterion. The vendor shall assume responsibility for the engineering coordination of the equipment and auxiliary system included in the scope of the order.

2.1.3 Electrical instrument components which are installed on the ground level above pump shaft shall be suitable for the area classification.(Class I. division 1. Group D)

2.1.4 All assemblies of the submersible pump and motor shall withstand from damage by back flow due to emergency power failure or pump stop. The pump and motor shall be capable of tolerating reverse rotation; otherwise supplier shall furnish a non-reverse device or another protecting device to prevent damage.

2.1.5 To improve the effectiveness of the installation and operation, the supplier shall confirm the following ;

A. Review and comment on the purchaser's piping and top or head plate arrangement drawing.

B. Observation and check of the vertical piping alignment and caisson pipe installation.

2.1.6 All the connections of the different material parts shall be in no harmful effect of galvanic corrosion

2.1.7 The pumps shall be installed and operated without any trouble with following pump pit & shaft condition

◦ Pump pit Size(Width x Length x Height)	: 8 m(W) x 4m(L) x 12m(H)

◦ Pump pit bottom EL.        : -72.0 m

◦ Cavern bottom EL.	: -60.0 m

◦ Water bed EL.(Top)	: -59.5 m

◦ Shaft Size(Diameter)    :   5.5 m

※ Installation space of pump : half area of shaft(φ 5.5m)

2.2 Pump

2.2.1 The differential head generated by the pump with the available size impellers must rise continuously from maximum capacity to shut-off.

2.2.2 Pumps that have stable head/capacity curves(continuous head rise to shutoff) are preferred for all applications and are required when parallel operation is specified. The head rise shall be at least 10 percent of the head at rated capacity.

2.2.3 Pumps shall have a preferred operating region of 70 - 120 percent of best efficiency capacity with the furnished impeller. Rated capacity shall be within the region of 80 - 110 percent of best efficiency capacity with the furnished impeller.

2.2.4 The pumps shall be capable of at least 5% head increase at rated condition by installing the new impeller.

2.2.5 The best efficiency point for furnished impeller shall preferably be between the rated point and the normal point.

2.2.6 The required NPSH shall not exceed the available NPSH.(below at least 1.0m at rated capacity)

2.2.7 Pressure casing design

A. The pump shall be designed for 110% of shut off head plus pump suction head(full cavern static head) at the pumping temperature with a minimum corrosion allowance of 3.2 millimeters.

B. The motor and pump casing shall be designed to withstand all external or internal pressures that may be imposed on them during operation, installation or removal.

2.2.8 Nozzle and pressure casing connections.

The pump discharge nozzle shall be designed to withstand all loads imposed on it as a result of underground installation. These loads include the pump and motor weight, forces on the motor from conductor(cabling) and sealing systems, and any steady or shock hydraulic loads arising from the column of liquid in the discharge pipe.

2.2.9 Mechanical shaft seals

The seal shall be designed to operate under all conditions in this specification and the seal shall be tight in all circumstance such as storage, out of operation, etc.

2.2.10 Dynamic

A. The vendor shall perform the lateral analysis(example ; excitation of natural frequencies etc.) and the result shall be submitted to the purchaser.

B. The purchaser and vendor shall mutually agree on the extent, method and

acceptance criteria for the analysis.

2.2.11 Material

A. Material for pump parts shall be identified in the proposal with their applicable ASTM and shall be applied to material of the data sheet.

B. Unless otherwise specified on the data sheet, all parts of the pump shall be of material in accordance with the manufacturer's standards.

C. All minor internal parts and fastenings, exposed to the pumped liquid such as screws, nuts, shall be made of material making balance in corrosion resistance.

2.3 Motor

2.3.1 General

A. All motors shall conform to the requirements specified on the data sheets.

B. Motors shall be of such design and construction that rotor arc will not occur during  start-up and normal operation.

C. Motors shall be provided with single voltage three(3) lead connections.

D. Insulation

◦ Motors shall be Class " F ".

◦ Insulation system temperature at a rated output in 1.15 service factor rating

shall not exceed 90℃ by resistance.

E. Motor Starting

1) Motor shall be suitable for full voltage starting, accelerating to rated continuous operation of the driver equipment for all conditions of service specified on the data sheets.

2) Motor shall be sized in accordance with the driven equipment specifications. It is the responsibility of the driven equipment manufacturer to properly specify torque equipment. It is the responsibility of the motor manufacturer to provide a motor which will develop sufficient starting torque to accelerate the load when the voltage at the motor is reduced to 80% of rated voltage current inrush.

3) Driving motor rating, including the service factor, shall be equal to the

following percentage of the pump rated BHP.(If the pump rated BHP in best capacity is greater than the following percentage plus the pump rated BHP,

Motor Nameplate Rating shall be applied in the pump rated BHP in best capacity)

Motor Nameplate Rating	Percentage Of Pump Rated BHP
	1.0 Services Factor	1.15 Service Factor
25 HP and Less	125	115
30 HP and 75 HP	115	105
100 HP and Above	110	100

4) Motors having a 1.15 service factor shall be supplied.

5) Motor rating shall be large enough to operate under the following :

◦ Operation in an unrestricted circuit, during plant start up or emergency condition, geometrical pumping height should be clearly defined and specified at the end of the curve.

◦ The motor shall be capable of running in the reverse direction during fall back of crude oil.

◦ The motors shall be capable of operating continuously and without side effect or over heating during variations in supply of 6% in voltage, frequency or combined voltage and frequence variation(variation of voltage and frequency in the same direction).

◦ The starting current shall be limited to 4.5times of the full load current

◦ The motor shall be completely enclosed and sealed against the ingress of the crude oil. In order to ensure effective sealing, supplier shall provide a forced and the positive pressure shall be maintained by means of the sealing fluid.

◦ The temperature rise of the hottest spot in the windings, under normal submerged full load conditions, shall be below B class. If oil circulation system is proposed, monitoring of oil temperature is acceptable.

◦ Motor shall be suitable for rotation in every directions.

F. Enclosure

◦ Enclosure that is used for crude oil, shall meet IP68 in accordance with IEC 598.

2.3.2 Cable free type motor

A. Rating

◦ Motors shall be suitable for operation at the following voltages, Unless

otherwise specified.

- Motors for crude oil	AC, 3-Phase, 6.6 kV, 60 Hz

- Motors for hydraulic oil                 AC, 3-Phase,  380 V, 60 Hz

◦ Main power cable kit size : 6.6kV, CV 3 × 1C - 150sq

B. Junction boxes

1) Between terminal box and motor

Power conductors shall be mounted inside a protective riser cofferdam pipe with flanged connectors for each section.(each section length shall be 6 m long)

2) Junction box for hydraulic motor shall be arranged for conduit connection.

3) Cable terminations shall be clearly and permanently marked

4) Cable passage from frame of motor to terminal box shall be suitably sealed to prevent the entrance of moisture or foreign substance.

5) The supplier shall supply the junction box including the followings ;

◦ The junction box located on the top plate

◦ Incoming power connection kit(Elasticmold connector) which come from the

main power source.

◦ Instruments.

6) Enclosure : Class 1, Division 1, Group D(IP 58 or IP68)

C. Hydraulic oil / barrier fluid

1) Hydraulic oil circulated in cofferdam pipe and each phase of pipe conductors for motor shall be of insulation type.

2) The hydraulic oil shall be entirely filtered by oil filter(12㎛) and a magnetic particle pick up sensor shall be included in the return line.

3) Supplier shall supply instruments which are able to monitor and control status of motor and hydraulic unit as well as, initial charge of oil.

4) Pump & motor shall be started 5 minutes after start of circulation pump.

5) Connection for future connection to hydraulic oil cooler shall be included in order to enable de-waxing to be performed.

2.4 Others

2.4.1 Nozzle

Discharge nozzle shall be followed by ANSI or MSS size.

2.4.2 Details

The crude oil pump shall be designed for continuous operation and consist of 4 main components.

- Top plate system with junction box circulation unit and T-piece

- Cofferdam pipe stack with electric conductors.

- Pump and motor unit.

- Lower caisson and pump adapter.

A. The pump head shall be hanging from the cofferdam pipe stack which in turn is connected to the top plate. The pump unit and cofferdam pipe shall be installed and  protected by the caisson which also functions as discharge pipe. Power supply for pump shall be connected to the junction box on the top plate. From there the current is led down through the conductor system in the cofferdam pipe and further on to the electric motor in the pump unit.

B. On the top plate, the circulation unit shall ensure the necessary lubrication and cooling of rotating parts in the pump head. This system shall also include instruments, which are able to monitor level, temperature, pressure and cleanness. The hydraulic system shall at all times have a higher pressure than the discharge pressure in order to prevent pumped medium from entering the hydraulic system.

C. Top plate

1) The top plate shall be equipped with the following main components :

◦ Junction box with connection for main power supply

◦ Lube oil circulation unit

◦ Hydraulic tank

◦ Hydraulic filter

◦ Relief valve

◦ Instruments

◦ Instrument junction box

◦ Control cable connection(Including packing type packing gland)

D. Pipe stack(cofferdam pipes)

All cofferdam pipes shall be produced at the same length and are interchangeable except for remained one length pipe of produced for each pump adaptability purposes. The cofferdam pipe shall consist of the following main

components :

1) The surrounding steel pipe which absorbs the carrying forces

2) The three copper pipes acting as power supply line and carrying the hydraulic oil back to surface

3) Conductor plugs for transmission of current from pipe stack to pipe stack

4) Insulation pieces to keep copper conductors in plate and to prevent flash over

E. Pump unit

1) Pump unit shall be specially designed for its purpose. The pump is powered by a built in electric motor. The impeller shall be mounted directly on the shaft of the electric motor and be balanced hydraulically and axially by

means of wear rings and the pressure shall be ventilated in the wearing

chamber. The remaining forces shall be absorbed by the pump's roller and angular contact bearings.

2) The electric motor and bearings shall be protected against pump medium by means of a well-tested mechanical seal. The hydraulic oil, which circulates from the oil pump to the top plate, shall be able to lubricate, cool and protect the electric motor, bearing and shaft seal. The hydraulic oil shall be higher pressure than the  crude oil, and shall be ensured that the crude oil does not penetrate to the hydraulic oil.

3) The circulation unit must be running when the pump is started and must continue to operate until the main pump is stopped. If one of the following

alarms in hydraulic oil tank occurs, main pump must be stopped.

◦ High oil temperature

◦ Low oil pressure

◦ Low oil level

F. Caisson Pipe

1) The caisson pipes shall, in addition to the protective effect, also function as discharge pipe.

2) The supplier shall supply the lower part of the caisson which is designed so that when the pump is lowered into the caisson, the suction bell mouth of the pump will form a seal between discharge side of pump and cavern suction side. The seal shall be mounted on the pump bell mouth.

3) The supplier shall supply the upper part which consists of a T-piece and a sluice. The T-piece is equipped with a 38 inch ANSI connection flange and with 1 inch connection for inert gas and pressure relief. Functions as a sluice when mounting or dismantling the pump. Auxiliary flanges which are mounted on the cofferdam pipe shall, by means of oil infusion, prevent gas leakage to pump top when lifting and lowering the pump.

3. INSPECTION AND TEST

3.1 General

3.1.1 Pump inspection and test shall be performed in accordance with the Hydraulic Institute Standards, unless otherwise specified. Test speed shall be at rated speed unless otherwise approved by KNOC(Korea National Oil Corporation)

3.1.2 The manufacturer shall maintain a complete detailed log of all such final tests. The report shall be promptly submitted to the purchaser for approval.

3.1.3 Supplier shall notify the test schedule to the purchaser at least fifty (50) days prior to its shipping date.

3.1.4 Inspection and test items for all pumps shall be performed within witness test period.

3.2 Inspection

3.2.1 All parts of the pumps shall not be painted until the specified inspection of the parts is completed.

3.2.2 The supplier shall be fully ready for the specified inspection and test to get the period of inspection minimized.

3.3 Testing

3.3.1 Test procedure

a. The purchaser will specify the extent of its participation in the testing.

b. The purchaser will indicate the item of pump testing in the lists below.

- Witnessed hydrostatic test.

- Witnessed performance test

- Witnessed NPSHr test

- Witnessed motor test

- Optional test(surface examination etc.)

3.3.2 Hydrostatic Test

a. Pressure containing parts(including auxiliaries) shall be tested hydrostatically with liquid at a minimum of 1.5 times maximum allowable working pressure.

b. Double casing pumps, horizontal multistage pumps, and other special-design pumps as approved by the purchaser may be segmentally tested at the appropriate section pressure.

c. Tests shall be maintained for a sufficient period of time to permit complete examination of parts under pressure. The hydrostatic test shall be considered with satisfaction when neither leaks nor seepage through the casing or casing joint is detected for at least 30 minutes. Large, heavy castings may require a longer testing period to be agreed upon by the purchaser and the vendor.

3.3.3 Performance Test

Unless otherwise specified, each pump shall be given a performance test on water at       a temperature less than 150℉(65℃) in accordance with HI standard.

a. The supplier shall take  test data, including head, capacity, and power, at a minimum of five points. These points are subject to negotiation between the purchaser and the supplier but will normally be shutoff, minimum continuous stable flow, midway between minimum and rated flow, rated flow, and 120 percent of rated flow.

b. Unless otherwise mutually agreed upon, the test speed shall be within 3 percent of the rated speed shown on the certified outline drawing. Test results shall be converted into the  anticipated results at the rated speed.

c. In case where assembly testing is impractical because of pump length, the vendor shall submit alternative testing procedures with the proposal.

d. Vibration shall be measured at ±10 percent of rated flow and shall be met the requirements of API 610 standard.

e. Pumps shall operate within bearing-temperature limits and shall not display signs of unfavorable operation, such as noise caused by cavitation.

f. When operated at rated speed and rated capacity, pumps shall be within the tolerance in API 610 standard.

g. If it is necessary to dismantle a pump for some other correction, such as improvement of efficiency, NPSH, or mechanical operation, the initial test will not be acceptable, and the final performance test shall be run after the correction is made.

h. When performance and running testing, following data shall be logged.

- speed, BHP, efficiency, head etc.

- vibration, temperature measurement

3.3.4 NPSHr Test

a. NPSHr test shall be conducted in the period of the shop testing.

b. NPSHr data shall be taken at the following four points: minimum continuous stable flow, midway between minimum and rated flow, rated flow, and 120 percent of rated flow.

c. A 3-percent drop in head(first-stage head on multistage pumps) shall be interpreted as indicating performance impairment and NPSHr at a rated point will not exceed the tolerance in API 610 standard. For multistage pumps, total head may be divided by the number of centrifugal stages to approximate first-stage head. With the purchaser's approval, NPSHr tests may be conducted with only the first stage installed.

3.3.5 Insulation resistance(Including Polarization Index) and starting current

Insulation resistance(PI) of all pumps shall be measured before and after pump performance test, and starting current must be tested during starting the each pump

3.3.6 Inspection and Test for motor

Inspection & test for motors are listed below and the purchaser will not only specify the extent of it's items, but also participate in the inspection & test.

◦ Visual and Dimensional Inspection

◦ Measurement of Winding Resistance

◦ Measurement of Insulation Resistance

◦ Locked Rotor Test

◦ Measurement of No-load Current and Loss

◦ Determination of Load Characteristics

ㅇ Load and overload Test

◦ Measurement of Vibration and Noise Level

◦ Heat run(Temperature Rise) Test

◦ High Voltage Test

4. NAMEPLATE

4.1 Nameplates and rotation arrows on top plate shall be 18-8 stainless steel or monel, attached by pins of similar material and located for easy visibility. Cast rotation arrows are acceptable.

4.2 Pump

The following data at least shall be clearly stamped on the nameplates :

◦ Item No.

◦ Manufacturer's Name

◦ Pump Serial Number

◦ Size and Type

◦ Design Capacity(m3/h)

◦ Design Head(m)

◦ Design Speed(rpm)

◦ Year Built

◦ Design temp.(℃)

4.3 Motor

The following data at least shall be clearly stamped on the nameplates :

◦ Specification & manufacturer's name

◦ Motor type, frame designation, serial No.

◦ Class of rating(continuous or short-time)

◦ Service factor

◦ Insulation class and Temperature rise

◦ Frequency, phases, voltage, star or delta winding

◦ Mechanical output in HP or kW

◦ Full load current, rpm, power factor

◦ Starting current in percent of full load torque

◦ Starting torque in percent of full load torque

◦ Maker, type, and size of bearings including number

◦ Class of lubricant

5. PAINTING

5.1 Surface preparation and painting shall be done by manufacturer's standard for equipment of this kind.

5.2 Carbon steel surfaces shall be painted

Surface preparation SIS 055900 SA 2½ (SSPC SP 10)

PAINT SPEC.	DRY FILM THICKNESS
Primer : Inorganic Zinc	75μ
Intermediate : Epoxy High Build	100μ
Finish : Poly Urethane	60μ
TOTAL THICKNESS	235μ

* Color : Grey(MUNSELL NO : Hue-8.2YR, Value-7.6, Chroma-0.2)

6. PACKING

All pumps and drivers shall be completely assembled prior to shipment. Each unit shall be individually prepared to prevent damage during shipment and.

7. DOCUMENTATION

7.1 Technical data requirement for this bidding

Required number of document : 5 copies

7.1.1 Pump

◦ Model No./ No. of stage/ NPSH required (water) (m)

◦ Design eff. (％)/ BHP (kW)/ Speed (rpm)/ Min. continuous flow (m3/h)

◦ Bearing type / lubrication/ Nozzle size/ Material

◦ Performance curve (Capacity, Head, Power, Efficiency, NPSHr)

◦ Outline drawing/ Cross sectional drawing/ Design pressure (kgf/cm2)

◦ Weight (kgf)

7.1.2 Motor

◦ Rated output (kW) / input (kVA)

◦ Rated temp. Rise degree (℃)

◦ Speed (rpm)

◦ Efficiency (%)

◦ Locked rotor current (A)

◦ Full load static current (A)

◦ Starting current (A)

◦ Starting time (s)

◦ Starting torque (kgf․m)

◦ Min. starting voltage (V)

◦ Min. stall voltage (V)

◦ Number of starts per hour

◦ Enclosure

◦ Insulation class

◦ Time current curve (based on direct starting)

◦ Torque current slip curve (based on direct starting)

◦ Thermal limit curves

◦ Efficiency & power factor curve

7.1.3 Main power supply

7.1.4 P & I Diagrams, both pump and seal fluid circuits given with all purchaser connections identified

7.1.5 Terminal box information. (Box dimension and type)

7.1.6 Oil circulation unit with instrument and required property of the cooling and sealing fluid.

7.1.7 Casing pipe (include in lower part pipe) drawing which is marked diameter & length for pump repair or maintenance.

7.2 Document submittal schedule after purchase order

7.2.1 The final drawings and documents shall be book-bound as "A-4" size.

7.2.2 All the documents and drawings shall bear name of client i.e. "Korea National Oil Corporation", Tag No., and the name of commodity.

Required number of documents :  5 copies for review and approval, 10 copies for final.(1 copy repro. included)

7.2.3 The metric and celsius unit shall be applied as the measurement system in all respect and particular.

7.2.4 English shall be applied as certainly wording in all documents and drawings.

7.2.5 Submittal schedule

A. Documents concerned with the job commencement(including organization diagram, manufacturing process & schedule, etc..) shall be arrived at KNOC office within 2 weeks after contract.

B. Manufacturing & Engineering documents and drawings for approval shall be arrived at KNOC office within the "Days" specified hereunder.

Submittal schedule                                    Weeks after contract

1) Dimensioned outline drawing : ----------------------------  8 Weeks

2) Composite outline drawing : ------------------------------  8 Weeks

3) Cross sectional drawing : --------------------------------  8 Weeks

4) Auxiliary pipe drawing : ---------------------------------  8 Weeks

5) Electrical drawing and data : -----------------------------  8 Weeks

◦ Single line diagram

◦ Logic diagram

◦ Cable entrance location and detail

◦ Grounding locations

6) Material list : ------------------------------------------- 8 Weeks

7) Manufacturer's technical specification : ---------------------- 8 Weeks

8) Junction box outline drawing : ----------------------------- 8 Weeks

9) Pump installation guide ring drawing : ---------------------- 8 Weeks

10) Completed equipment data sheet(pump & motor) : ------------  8 Weeks

11) Shipping schedule : ----------------------------------      8 Weeks

12) Equipment weight list : ----------------------------------  8 Weeks

13) Spare part list and price : --------------------------------  8 Weeks

14) Special tool list : --------------------------------------    8 Weeks

C. Final documents shall be submitted at the time of the shipment.

(Including the CD)

1) Manufacturing & engineering documents & drawings

2) Operation and maintenance manual

3) Installation instruction manual

4) Inspection sheet and test reports

◦ pump performance curves/ certificate of hydrostatic test

◦ certificate of chemical analysis, heat treatment, mechanical inspection

for the main parts. etc.

5) Information with P&ID for cooling system, and instrument capacity. (In case of de-waxing.)

6) Certificate for explosion proof type of equipments

7.2.6 Spare parts lists for 2 years operation

A. The supplier shall recommend and quote a list of spare parts for commissioning start-up, 2-years operation as well as include special and extra tools

B. The supplier shall include price of spare parts, special and extra tools in his pump quotation

Attachment #1  Data Sheet

PAGE 1 OF 2

CENTRIFUGAL PUMP DATA SHEET (SI UNITS/ISO STANDARDS)	JOB No.		ITEM No.
	REQ / SPEC No.			/
	PURCH ORDER No.			DATE			'06. 01.
	INQUIRY No.			BY
	REVISION			DATE

1	APPLICABLE TO		○ PROPOSAL				PURCHASE		AS BUILT
2	Project Yeosu Extention Project								UNIT Oil Loading Pump
3	Location South Korea								SERVICE CRUDE OIL
4	No. REQ 12			PUMP SIZE				TYPE Submersible			No. STAGES
5	MANUFACTURER				MODEL					SERIAL No.
6	NOTE : ○ INDICATES INFORMATION COMPLETED BY PURCHASER □ BY MANUFACTURER BY MANUFACTURER or PURCHASER
7	○ GENERAL
8	PUMPS TO OPERATE IN (PARALLEL)				No. MOTOR DRIVEN 12					No. TURBINE DRIVEN N.A
9	(SERIES) WITH				PUMP ITEM No. P-F411~461 A/B					PUMP ITEM No.
10	GEAR ITEM No. N.A				MOTOR ITEM No.					TURBINE ITEM No.
11	GEAR PROVIDED BY				MOTOR PROVIDED BY PUMP MFR					TURBINE PROVIDED BY
12	GEAR MOUNTED BY				MOTOR MOUNTED BY PUMP MFR					TURBINE MOUNTED BY
13	GEAR DATA SHEET No.				MOTOR DATA SHEET No.					TURBINE DATA SHEET No.
14	OPERATING CONDITIONS							PERFORMANCE
15	○ CAPACITY, NOR. 4,250 (㎥/h)							○ NPSHr AT RATED CAPACITY. (m)
16	Rated (㎥/h)							○ SUCTION SPECIFIC SPEED ㎡/min.m.RPM
17	○ SUCTION PRESSURE MAX/RATED / 2.1 (Kg/㎠.G)							○ MAX SOUND PRESS. LEVEL REQ'D (dBA)
18	○ DISCHARGE PRESSURE 14.3 (Kg/㎠.G)							○ EST MAX SOUND PRESS. LEVEL (dBA)
19	○ DIFFERENTIAL PRESSURE 12.2 (Kg/㎠.G)							REMARKS 1. All pumps shall be operated in single of 1-Pump or parallel of 2-pump
20	○ DIFFERENTIAL HEAD 140 (M) NPSHA 13.5 (M)							2. Difference between NPSHa and NPSHr shall be min. 1.0m.
21	○ CAVERN OPERATION PRESSURE : 0.5 ~ 1.7 (Kg/㎠.G)
22	○ STARTING CONDITIONS
23	○ SERVICE □ CONTINUOUS INTERMITTENT(START/DAY)							CONSTRUCTION
24	PARALLEL OPERATION REQ'D							○ APPLICABLE STANDARD : API 610
25	SITE & LIQUID DATA							(The latest edition, Where applicable )
26	LOCATION :							○ NOZZLE CONNECTIONS :
27	○ INDOOR	○ HEATED			○ UNDER ROOF			NOZZLE SIZE RATING FACING POSITION
28	● SUBMERSIBLE	● UNHEATED			○ PARTIAL SIDES			SUCTION
29	○ GRADE	○ MEZZANINE			○			DISCHARGE
30	○ ELECTRICAL AREA CLASSIFICATION							○ CASING MOUNT : VERTICAL
31	CL 1 GR D DIV 1							○ CASING SPLIT
32	LIQUID :							□ AXIAL □ RADIAL
	○ TYPE / NAME OF LIQUID CRUDE OIL							○ CASING TYPE
33	○ PUMPING TEMPERATURE(P.T)(deg.C) : 15							□ SINGLE VOLUTE □ MULTIPLE VOLUTE □ DIFFUSER
34	○ INPUMPING TEMPERATURE(deg.C) : 30							□ OVER HUNG □ BETWEEN BEARINGS □ BARREL
35	○ De-Waxing TEMPERATURE.(deg.C) : 60							○ CASE PRESSURE RATING :
36	○ VAPOR PRESSURE 0.204 (Kg/㎠.A) @ PT (℃)							□ MAX ALLOWABLE WORKING PRESSURE (kgf/cm2.g)
37	○ SPECIFIC GRAVITY at P.T : 0.87							@ (℃)(Shut off head x1.1 + max. suction head)
38	○ VISCOSITY 10.74 (cP) @ PT (℃)							□ HYDRO-TEST PRESSURE(M.A.W.P x 1.5) (kgf/cm2.g)
	○ Max Starting Current : limited 4.5time of the full load current							○ ROTATION : (VIEWED FROM COUPLING END)
39	PERFORMANCE							□ CW □ CCW
41	○ PROPOSAL PERFORMANCE CURVE No.							( Minimum Continuous Flow shall be under 50% of Nor. Capacity)
42	○ IMPELLER DIA RATED MAX MIN (㎜)							○ NUMBER OF STAGES(Impeller) :
	○ IMPELLER TYPE							○ LUBRICATION TYPE :
43	○ PUMP POWER (KW), EFFICIENCY(min 80%) (%)
44	○ MINIMUM CONTINUOUS FLOW :							○ BEARING (TYPE / NUMBER) :
45	THERMAL (㎥/h) STABLE (㎥/h)							□ RADIAL /
46	( Minum Continuous Flow shall be below 50% of Nor. Caoacity)							□ THRUST /
47	○ MAX HEAD @ RATED IMPELLER (m)
48	○ MAX POWER @ RATED IMPELLER (KW)
49

PAGE 2 OF 2

CENTRIFUGAL PUMP DATA SHEET (SI UNITS/ISO STANDARDS)	JOB No.		ITEM No.
	REQ / SPEC No.			/
	PURCH ORDER No.			DATE			'06. 01.
	INQUIRY No.			BY
	REVISION			DATE

1	MATERIAL	INSPECTION AND TEST
2	○ APPENDIX H(by API 610 8th) CLASS D-1 or EQ	● REVIEW VENDORS QA PROGRAM
3	○ MIN DESIGN METAL TEMP -12.6 (℃)	● PERFORMANCE CURVE APPROVAL
4	□ CASING □ IMPELLER	● SHOP INSPECTION
5	O SHAFT	● TEST WITH SUBSTITUTE SEAL
	O CASING WEAR RING / IMPELLER WEAR RINGS	TEST	NON-WIT	WITNESS	OBSERVE
	O MOTOR HOUSING	1. PERFORMANCE TEST	○	●	○
	O HYDRAULIC OIL TANK or WATER VESSEL	- & Oil Sampling
	O TOP or HEAD PLATE	- & NPSHr
		- & Motor Routine Test
	O COFFERDAM PIPE&T-PIECE(ONLY CABLE FREE TYPE)
		- & Complete Unit Tes
	O LOWER CASSION(ONLY CABLE FREE TYPE)
		2. HYDROSTATIC	○	●	○
	O NON-RETURN VALVE(CASING/INTERNALS)(IF REQUIRED)
		3. MOTOR TYPE TEST	○	●	○
		4. CLEANLINESS PRIOR TO	○	○	○
		FINAL ASSEMBLY
15	* ALL MATERALS SHALL BE SPECIFIED BY ASTM
16	MECHANICAL SEAL	5. NOZZLE LOAD TEST	○	○	○
17	O APPENDIX H(API 610 8th)(SEAL MATERIAL) BSPFP or EQ
		6.BRG HSG RESONANCE TEST	○	○	○
18	O SEAL MANUFACTURER	7.REMOVE / INSPECT	○	○	○
19	O TYPEL/MODEL	HYDRODYNAMIC BEARINGS
20	O CIRCULATION/FLUSHING HYDRAULIC OIL etc	AFTER TEST
21	COOLING	8. AUXILIARY EQUIPMENT	○	○	○
22	O COOLANT SUPPLY HYDRAULIC OIL or WATER	TEST
23	O PRESSURE (Kg/㎠.G)	* 1)Witness Test[1.Performance Test] shall be performed in all Pumps 2)Witness Test[2.Hydrostatic & 3.Motor Type Test] shall be performed more than One Pump 3)Witness Test = Factory Acceptance Test
24	O TEMPERATURE(deg.C)
25	O COOLANT FLOW (L/MIN ) O SUPPLY TO(BEARING , SEAL, ROTOR ETC)
		O MATERIAL CERTIFICATION REQUIRED
26	MOTOR DRIVE
		● CASING ● IMPELLER ● SHAFT
27	O MANUFACTURER
		O CASTING REPAIR PROCEDURE APPROVAL REQ'D
		O INSPECTION REQUIRED FOR CONNECTION WELDS
28	O RATING (KW) O SPEED (RPM)	○ MAG PARTICLE ○ LIQUID PENETRANT
29	O MOTOR TYPE : SUBMERSIBLE	○ RADIOGRAPHIC ○ ULTRASONIC
30	O FRAME
31	O SERVICE FACTOR 1.15	O INSPECTION REQUIRED FOR CASTINGS
32	O VOLTS / PHASE / HERTZ 6600V / 3Φ / 60Hz	○ MAG PARTICLE ○ LIQUID PENETRANT
33	○ EXPLOSION PROOF TYPE CL1 DIV.1 Gr.D	○ RADIOGRAPHIC ○ ULTRASONIC
34	O ENCLOSURE IP 68
35	O MINIMUM STARTING VOLTAGE DROP 15%
36	O TEMPERATURE RISE B	PAINTING & WEIGHTS
37	O FULL LOAD AMPS	○ PAINTING(CARBON STEEL SURFACE)
38	O LOCKED ROTOR AMPS	□ SURFACE PREPARATION : SA 2½(SSPC SP 10)
39	O INSULATION F	□ PRIMER : INORGANIC ZINC(75μ)
40	O STARTING METHOD DIRECT, FULL VOLTAGE	□ INTERMEDIATE : EPOXY HIGH BUILD(100μ)
41		□ FINISH : POLY URETHANE(60μ)
42	CIRCULATION UNIT(COOLING & LUBRICATION)(If needed)
43	O MANUFACTURER	○ WEIGHTS
44	□ PUMP CAPACITY (㎥/H) □ DRIVER TYPE	□ PUMP HEAD : KG
45	□ RATING (KW) □ SPEED (RPM)	□ DRIVER(MOTOR) : KG
46	O VOLTS / PHASE / HERTZ 380V / 3 Φ / 60 Hz	□ TOTAL WEIGHTS : KG
47	○ EXPLOSION PROOF TYPE CL.1 DIV.1 Gr.D
48	O DIRECTION OF ROTATION CW or CCW
49	○ STARTING METHOD DIRECT, FULL VOLTAGE
	○ HYDRAULIC OIL TANK or WATER TANK ( L)