Mechanical Draft Cooling Tower

1

Purchase Order

12/02/10

FFF

MFG

NA

LGC

0

For bid request

03/11/09

PBS

MFG

NA

LGC

Date/Fecha

Prep./ Realiza

Verif./Co mpr.

Construct

Appr./J.Proy.

Rev.

CLIENT/ CLIENTE CLIENTE :

Description/Objeto de la edición

NAVOI C.C.P.P.

Energía

(477,75 MW)

Doc. Code/ Cód. Code/ Cód. de Documento:

NAV-10-PAB-MI-IEM-465

MECHANICAL MECHANICA L DRAFT COOLING TOWER TECHNICAL SPECIFICATION

Rev.: 1

INDEX

1.

OBJECT................................................................. OBJECT ............................................................................................................................................. .............................................................................. 3

2.

GENERAL........................................................................................................................................... GENERAL............................................................................................................................. .............. 4

3.

2.1.

SERVICE REQUIREMENTS.................................................................................................... 4

2.2.

QUALITY ASSURANCE........................................................................................................... 4

2.3.

CODES AND STANDARD.......................................................................................... STANDARD........................................................................................................ .............. 5

SCOPE OF SUPPLY ....................................................................... .......................................................................................................................... ................................................... 9 3.1.

EQUIPMENT AND SERVICES................................................................................................ SERVICES.................................................................................................. 9

3.2.

OTHER CONDITIONS ...................................................................... ............................................................................................................. ....................................... 9

3.3.

TERMINAL POINTS / BATTERY LIMITS............................................................................... 10

4.

DELIVERY DATE.................................................................................................................. DATE.............................................................................................................................. ............ 11

5.

DESIGN AND MANUFACTURING MANUFACTURING ........................................................................... ................................................................................................... ........................ 12 5.1.

DESIGN.................................................................... DESIGN .................................................................................................................................. .............................................................. 12

5.2.

MANUFACTURE ................................................................... .................................................................................................................... ................................................. 16

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Rev.: 1

INDEX

1.

OBJECT................................................................. OBJECT ............................................................................................................................................. .............................................................................. 3

2.

GENERAL........................................................................................................................................... GENERAL............................................................................................................................. .............. 4

3.

2.1.

SERVICE REQUIREMENTS.................................................................................................... 4

2.2.

QUALITY ASSURANCE........................................................................................................... 4

2.3.

CODES AND STANDARD.......................................................................................... STANDARD........................................................................................................ .............. 5

SCOPE OF SUPPLY ....................................................................... .......................................................................................................................... ................................................... 9 3.1.

EQUIPMENT AND SERVICES................................................................................................ SERVICES.................................................................................................. 9

3.2.

OTHER CONDITIONS ...................................................................... ............................................................................................................. ....................................... 9

3.3.

TERMINAL POINTS / BATTERY LIMITS............................................................................... 10

4.

DELIVERY DATE.................................................................................................................. DATE.............................................................................................................................. ............ 11

5.

DESIGN AND MANUFACTURING MANUFACTURING ........................................................................... ................................................................................................... ........................ 12 5.1.

DESIGN.................................................................... DESIGN .................................................................................................................................. .............................................................. 12

5.2.

MANUFACTURE ................................................................... .................................................................................................................... ................................................. 16

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1.

Rev.: 1

OBJECT

This Technical Specification establishes the basic standards and criteria for the complete design, procurement of material and equipment, manufacturing, inspection and testing in shop, cleaning, coating, packing protection for shipment, concrete/GRP work supervision, erection supervision, commissioning supervision, training of end client’s operating and maintenance personnel, and site testing supervision of one (1) Mechanical Draft Cooling Tower with all the required accessories and equipment for the CC Power Station of Navoi (1 x 477,75 MW gross power) in Uzbekistan Republic.

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2.

Rev.: 1

GENERAL

1x477, 75 MW gross power NAVOI TPP Project will consist on a Power Generation complex made up by one (1) Gas Turbine, one (1) Steam Turbine (with multi shaft disposition), one (1) Heat Recovery Steam Generator, two (2) main transformers and corresponding mechanical and electrical auxiliaries, and associated instrumentation and control systems. All information and documents listed in the section 8 “Annexes” of this specification shall be considered part of the same. 2.1.

SERVICE REQUIREMENTS

Plant location and environmental conditions are described in the document “Project General Data” NAV-10-VD-IR-IEM-001. 2.2.

QUALITY ASSURANCE ASSURANCE

The Supplier shall comply with the requirements detailed in this specification, according to the codes and standards as specified herein and in the annexes listed in chapter 8.


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Rev.: 1

2.3.

CODES AND STANDARD

2.3.1.

Material and equipment selection, and therefore design, engineering, procurement and maintenance, of the scope of supply included in this technical specification will be according to the latest editions of the below mentioned codes and standards current at the date of signing of the Contract, unless otherwise specified. For those points that are not defined explicitly in the foregoing standards or in the text of this Specification, The Supplier can employ other standards, in accordance with good engineering practice and provided they have been submitted for prior acceptance by INITEC Energía.

2.3.2.

INTERNATIONAL INTERNATIONAL CODES AND STANDARDS STANDARDS

The general criteria, codes and standards governing the design and manufacture of the equipment object of this Specification, will be those indicated hereunder and those indicated in the listed document “Project General Data” NAV-10-VD-IR-IEM-001. •

American Cooling Tower Institute (CTI): ATC-105, Acceptance Test Procedure (modified for ambient wet bulb).


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Doc. Code/ Cód. de Documento:


MECHANICAL DRAFT COOLING TOWER TECHNICAL SPECIFICATION

•

•

•

Rev.: 1

American Society of Mechanical Engineers (ASME):

-

ASME II – Material specifications.

-

ASME V – Non-Destructive examinations.

-

ASME IX – Welding and Brazing Qualification.

American Institute of Steel Construction (AISC) 9th edition:

-

M016, Manual of Steel Construction Allowable Stress Design.

-

S334L, Specification for the Design, Fabrication and Erection of Structural Steel for Buildings.

ASME Power Test Code (PTC):

-

PTC 23, Atmospheric Water Cooling Equipment.

-

PTC 36, Measurement of Industrial Sound.

-

PTC 19.3, Temperature Measurements

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-

Rev.: 1

STD 6010-E88, Spur, Helical, Herringbone and Bevel Enclosed Drives.

•

Expansion Joint Manufacturers Association of America (EJMA).

•

Steel Structures Painting Council (SSPC):

•

International Electrotechnical Commission (IEC).

•

Institute of Electrical and Electronic Engineers (IEEE).

•

National Electrical Manufacturers Association (NEMA).

•

National Fire Protection Association (NFPA):

-

NFPA 70, National Electrical Code (NEC).

-

NFPA 78, Lighting Protection Code.

-

NFPA 214, Water Cooling Towers.


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•

-

ANSI A58.1, Design Loads for Buildings and Other Structures.

-

ANSI S1.4 Specification for sound level meters.

-

ANSI S1.11 Specification for octave, half octave and third octave band filter sets.

-

ANSI S1.2 Method of Physical Measurements of sound.

-

ANSI/ASME B31.1-1, Power piping.

American Petroleum Institute:

-

SE605 - Large Diameter Carbon Steel Flanges.

•

American Society for Non-Destructive Testing.

•

Instrument Society of America (ISA).

•

American Society of Civil Engineers (ASCE): •

Rev.: 1

ASCE-7, Minimum design loads for buildings and other structures.


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3.

SCOPE OF SUPPLY

3.1.

EQUIPMENT AND SERVICES

Rev.: 1

The Scope of Supply is indicated in Annex 1 of this Technical Specification. The Supplier understands to supply, all equipments, materials and deliverables essential for the safe and reliable operation of the Cooling Tower and auxiliaries although not expressly specified in this invitation to tender or its annexes. 3.1.1.

PERSONNEL TRAINING

The Supplier shall provide on site the necessary training to ensure safe operation of the equipment by Purchaser's operation and maintenance staff. This training will be scheduled for 25 persons and shall include: •

Four (4) days of classroom training (Theoretical part) at the end of erection/start of

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The Supplier is responsible for the total supply and for the supplies of his Sub-suppliers. If Supplier consider that additional items or accessories are required to complete the scope of supply, they shall be quoted as optional. Any optional shall be previously written accepted by the Customer before manufacture begins. Under NO circumstances, the approval of the documents and drawings will release the Supplier of his responsibility over all the supplied equipment. The Supplier will include in the Proposal the number of units into which the Cooling Tower shall be split for transport and erection. 3.3.

TERMINAL POINTS / BATTERY LIMITS

The battery limits of the Cooling Tower shall be: •

One Inlet water flanged connection per riser shall be located at 5 feet from the finished ground (exact location to be confirmed). Supplier shall include all necessary gaskets, nuts and bolts.

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4.

Rev.: 1

DELIVERY DATE

the Supplier shall send within 15 days after purchase order, the detailed design, engineering, manufacturing, test and delivery program. The Supplier shall send within the next 30 days enough information for the civil works. Maximum acceptable delivery dates are indicated in the commercial documents. Final acceptance of the Cooling Tower will be done after succeed the field test and the guarantees according CTI.


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5.

DESIGN AND MANUFACTURING

5.1.

DESIGN

5.1.1.

General

Rev.: 1

The equipment shall be designed and installed to facilitate inspection, cleaning and maintenance and operation where the continuity of service and reliable operation is the first consideration. The plant and equipment shall be designed with adequate design margins and stand-by capability. Supplier shall consider the requirements indicated in the document “Mechanical Design Criteria” NAV10-V-BR-IEM-001. 5.1.2.

Cooling Tower Type

The Cooling Tower shall be a mechanical induced draft tower of counter flow type and shall consist of the number of independent cells as specified in the Cooling Tower Data Sheets NAV-10-PAB-MH-IEM-

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Supplier shall include, according to its experience, an operation philosophy as protection for the system on the basis of the minimum ambient temperature values in order to prevent ice formation into the air inlets, the fill or any other element of the Cooling Tower. The cooling tower shall be designed, as far as possible, to use Supplier standard production models and for maximum interchangeability of parts between cells. The system performance shall be based on the start up and shut down of the fans, depending on the thermal load of the condenser. Fans will be stopped if meteorological conditions and temperature allow it, so cells must be designed to let water pass through with their fan stopped for a long period of time. All components of the cooling tower will be easily accessible, foreseeing the disassembly of any independent component to be repaired. Each cell shall be able to be isolated for maintenance or partial load operation. Partition walls shall be provided to assure that there will be no loss of performance due to fan-to-fan recirculation in the adjacent operating cell, particularly in the event of fan shutdown, failure or maintenance. Windscreens shall be provided to avoid water drift due to wind crossing the cooling tower in the air inlet area.


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Rev.: 1

•

Maximum and normal allowed concentration of solids in the circulating water or number of times they exceed the concentration in make up water.

•

Circulating water concentration cycles.

•

pH limits permitted in the circuit.

•

Minimum, normal and maximum total blow down flow.

•

Minimum, normal and maximum make up flow.

The cooling tower basin capacity shall be as indicated in the “Cooling Tower Data Sheets” NAV-10PAB-MH-IEM-465. 5.1.5.

Electric Power Supply

Apart from the design conditions included in this section, all applicable requirements to the Purchase Order shall be fulfilled including “Technical Specification for Electrical Equipment for Package Plants” NAV-10-B-EI-IEM-325.


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5.1.7.

Rev.: 1

Cooling tower structural design

The methods used by the Supplier for structural calculation shall be in accordance with applicable codes and standards. The thickness required to meet the stress limits shall be increased by the corrosion allowance. The stresses resulting from the various loading cases shall be calculated and superimposed as and where required, taking the following into account as a minimum requirement. •

Stresses due to dead and live weights

•

Stresses due to reaction forces of the distribution system under steady state and transient conditions.

•

Stresses due to wind loads.

•

Stresses due to seismic loads.

•

Stress due to thermal and humidity gradients during all modes of tower operation.

•

Thermal stresses due to the use of materials with unequal coefficients of thermal expansion.

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Noise measurement testing procedures and guarantees shall be in accordance with ASME PTC-36 and ISO standards. Special attention shall be paid to the noise created by water splashing over the fill packs and water dropping on the cooling basin surface. Preventive measures aimed at noise reduction shall be taken. 5.2.

MANUFACTURE

5.2.1.

Materials

Materials shall be selected in accordance with water analysis included in the data sheets attached to this Specification. All materials used in the construction of the Cooling Tower and its associated equipment shall be of first class quality and suitable for the severity of the service intended. Compatibility of the materials with the fluids handled in the unit and accessories is the responsibility of the Supplier. Provide materials suitable for the specified service and conditions stated herein, subject to acceptance by the Purchaser.

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Rev.: 1

The cooling tower foundations and basin shall consist of the basin slab and walls made of reinforced concrete which serves as a foundation for the cooling tower structure. The basin extends slightly beyond the width of the cooling tower on both sides and is used for collecting cold water. The cooling tower structure and housing shall be a cubic structure consisting of walls, columns, decks and support beams that divides the cooling tower into individual cells. The cooling internal, water distribution and drift eliminators are housed by walls and supported by columns that also support the fan foundation. The structural frame shall be anchored to the structure by means of heavy fabricated steel plates. The cooling tower casing protects the internals against weathering effects. Special deflectors shall direct the water to the inside of the cooling tower and thus minimizing water splashing outside the cooling tower. The cooling tower enclosure shall be designed considering operating conditions during start-up, shutdown and transient conditions. They will be designed considering ambient and cooling water temperatures at Site. Railing columns shall be an integral part of the tower structure.

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Rev.: 1

In order to avoid sagging or any other kind of distortion which could cause preferential channels for air or water, the Supplier shall consider the proper number and location of internals supports. Supplier shall indicate the method used to design the support. All packing materials shall be self-extinguishing (NFPA). Supplier shall state the maximum allowable water temperature for the Packing withstands during continuous operation. 5.2.4.

Drift eliminators

Drift eliminators shall be formed by removable panels. Drift eliminators shall be of three-pass sinusoidal wave type ensure a maximum drift losses indicated as a percentage of the cooling water inlet flow as indicated in the Cooling Water data Sheets NAV-10-PAB-MH-IEM-465. All fastening accessories will be stainless steel. The drift eliminators shall be lightweight, easily removable and arranged above the water distribution pipes.

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Rev.: 1

Supplier shall design an optimised water distribution system with the minimum pressure loss and TDH and shall guarantee losses of the distribution system. 5.2.6.

Platforms, Access Doors, Handrails and Ladders

All those areas where maintenance tasks shall be carried out shall be easily accessible. Two (2) galvanized cage ladders ( one per each side ) and one concrete stairways at one end of the CT shall be considered to allow access and emergency run-ways to the fan deck. Each cell shall be accessed by a manhole. Ladder access shall be considered to the water distribution system and fan gear unit. An access door or a hatch with a ladder shall be provided in each cell on the deck floor for entering to the drift eliminator plenum. Each cell shall include stairways and walkways to allow internals, drift eliminators and water distribution system inspection. A protection handrail shall surround the fan deck, including fan platforms and hot water areas. The fan platform shall have a walkway along its entire length designed to allow free passage. Fan platform shall be designed such that there is full walk access around the motors. Provisions for

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Each fan will be driven by a high-efficiency, single or double speed (as indicated in Cooling tower Data Sheets NAV-10-PAB-MH-IEM-465) electric motor mounted externally to the fan stack. The blades shall have a manually adjusted pitch to suit different operating requirements and nominally adjusted for tip clearance to assure maximum operating efficiency. Each fan shall be statically balanced before installation. 5.2.8.

Gearboxes

Each fan shall be driven via reduction gearboxes specially designed for cooling towers service. Each gearbox shall consist of thermally treated helicoidal gears and heavy-duty roller bearings. A minimum continuous service factor of greater than 2.0 is required when measured against the motor rated power, in accordance with AGMA Standards. Gearboxes shall comply with CTI-STD-111 Standard except that gears and bearings life shall be 100.000 hours minimum. Gearboxes shall be designed considering the installation of position – shock vibration control devices. Digital signals for rotor high vibrations indication and protection shall be provided.

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Motor couplings shall be flexible and the design will not allow transmitting undesired axial loads to the motor or the gearbox bearings due to thermal expansion. Each coupling shall be dynamically balanced and will avoid misalignment of motor-gearbox shaft. Shaft protector shall cover the shaft in the entire length including the motor coupling. Drive shafts shall be made of stainless steal and couplings shall be flexible. Motor-drive shaft-fan assembly shall be supported by a steel structure firmly tight to the cooling tower structure. This structure shall be galvanized to protect it against corrosion. Should vibration levels of the assembly be over ”satisfactory” limits as per ISO after site erection, the whole assembly shall be balanced. 5.2.10. Stacks

Stacks shall be high enough to prevent vapour recirculation Fan stack shall be in the form of a flared diffuser that provides a gradual increase in cross-sectional area beyond the fan with a resultant decrease in leaving air velocity.


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Rev.: 1

All instrumentation and mounting will be according to document NAV-10-C-YR-IEM-711 “I&C Design Criteria for equipments and package plants”. Motors will include all the corresponding instrumentation to guaranty a good working, control and monitoring of the system. The instrumentation for secondary circuits, like oil circuit, will be included in the same way. The package plant will be controlled and monitored form the plant DCS. For this reason, supplier will give all the information required to implement this control in the DCS. The list of documents required as minimum is located in annex 2. 5.2.14. Fire Fighting

No provisions for fire fighting system are foreseen. The supplier shall comply with NFPA 214 requirements. The selected materials shall be selfextinguishing. 5.2.15. Cleaning and coating


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6.

INSPECTIONS AND TESTING

6.1.

GENERAL

Rev.: 1

Inspections related to the reception of materials, equipment and auxiliary items, their manufacturing and erection, testing, as well as the final activities of labelling, painting and packing for shipment, shall be carried out by the Supplier’s Quality Service to the satisfaction of the Purchaser or his representatives, who shall witness, supervise or decline to witness the inspections at their discretion. The Supplier shall consider as reference the Purchaser’s Inspection and Test Plan (ITP) attached to this specification (see Annex 4). This Inspection Point Program will explicitly and correlatively detail each of the stages of procurement, manufacturing, pre-assembly and testing, packing for shipment and site assembly, documents submittal on which the inspections points to be carried out by the Supplier will be indicated. The applicable internal procedure for each point will be indicated, showing whether a report or protocol will be generated for said point or if there is another document associated with it (quality certificates, reception reports, etc).

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•

Rev.: 1

Welding shall be tested and inspected as per ASME Code section VIII. Verification before the manufacturing process will include as a minimum.

•

Review of material and semi-finished products certificates and dimensions.

•

Certification of Supplier qualification certificates as required.

•

Procedures and examinations of preparation for manufacturing: welding of pressure retaining parts, preparations of weld edges.

•

Verification during manufacturing will include as a minimum:

•

Checking of welding procedure plan examinations and records.

•

Checking that non-destructive examinations and production test meets Requirements.

•

Checking of heat treatment charts as required.


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6.4.

FIELD TEST

6.4.1.

Site assembly examinations and tests

Rev.: 1

The Supplier is responsible for the verification of requirements during the erection ad testing of the cooling tower and auxiliaries which is to be performed by others. The Supplier shall establish adequate supervision and review of the erection and site testing. In addition, the Purchaser has the right to carry out verification whenever considered convenient. The following verification defined by the Purchaser is to be applied to the mechanical draft cooling tower and auxiliaries during this project phase:

6.4.2.

•

Erection procedures, including handling and assembly of parts.

•

Applicable examination and testing concerning manufacture process performed on site.

•

Final cleaning and coating.

•

Site hydrostatic test and leak test as required.

Acceptance test

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Rev.: 1

The acceptance test will be performed under the conditions prevailing at the time the unit is commissioned, with every parameter to be measured, adjusted within the operating condition limits mentioned in ATC-105. The tested performance will be corrected, using correction curves as described previously to determine the performance under guarantee conditions. Immediately prior to the acceptance test, fan blades shall be adjusted to the Supplier’s quoted design power consumption if not achievable under guaranteed operating conditions; then, correction from tested power consumption to guaranteed power consumption will not be allowed. Wet bulb measurements shall be taken away from the cooling tower air inlet so as to minimize the effect of recirculation. The location selected shall be agreed upon at the time of the test to a mutually agreed upon location that minimizes the effect of surrounding equipment and cooling tower recirculation. The test should normally be conducted within 12 months after final mechanical acceptance, but may be tested during the second summer after this mechanical acceptance, if necessary, to permit testing with a full thermal load. Should the test show the tower performance to be deficient, the Supplier shall be required to make any

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Rev.: 1

The Supplier shall be responsible for equipment protection and for the correction of any defect encountered during testing, as well as for repetition of the tests until compliance with design conditions achieved. The Supplier shall provide the Purchaser with formal test results for review and final approval by the Purchaser. The Supplier may at his own expense provide personnel to review instrument installation and supply especial instruments and to witness the actual tests, in accordance with the test procedures approved by the Purchaser, and to ensure that proper test data are obtained.

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7.

GUARANTEES

7.1.

GENERAL

Rev.: 1

The Supplier shall warrant that the equipment furnished is entirely suitable for the service described herein and is in complete accordance with this Specification, except where modified by specific exceptions authorized in writing by the Purchaser. Supplier shall submit a certificate of conformance to the Purchaser. The equipment to be supplied shall undergo tests on Site and inspections to verify that and the associated systems meet the specified performance guarantees. The Supplier shall guarantee the continuous performance of the tower with the conditions stated in this Specification under Guarantee Design Conditions. Other cases indicated in the datasheets in Annex 1a are off-design performance cases and are used for equipment sizing only. The Supplier guarantees the professional design and engineering, the proper selection of materials, first class workmanship and accurate completion of the works in accordance with prudent and recognized international practices.

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Rev.: 1

Parameter

Unit

Values

Liquidated Damages (LD ) or Rejection (R)

Water outlet temperature

ºC

17,81 (Design Case)

LD

CTI-ATC 105

Noise

dBA

85

R

CTI / ISO

2.5 mm/s radially 5.0 mm/s axially

R

ISO CTI/Certificate

Vibration Drift Loses

%

<0.01

R

Electrical consumption

kW

250 per motor

LD

Pumping Static Head

m

8,00

LD

Guaranteed Total Weight

t

According to shipping list

R

Availability

%

98

R

Code/Standard


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8.

ANNEX AND COMPLEMENTARY DOCUMENTS

8.1.

ANNEXES

Annex 1

NAV-10-PAB-MI-IEM-465-A1

Scope of Supply

Annex 2


Required documents list

Annex 3


Deviation /clarification list

Annex 4


Inspection and Test Plan

8.2.

Rev.: 1

COMPLEMENTARY DOCUMENTS

NAV-10-VD-IR-IEM-001

Project General Data

NAV-10-C-YR-IEM-711

I&C Design Criteria for Equipments and Package Plants

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NAV-10-PAB-MI-IEM-465.A1

SCOPE OF SUPPLY

ANNEX 1 SCOPE OF SUPPLY

Rev.: 1

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SCOPE OF SUPPLY

1.

Rev.: 1

SCOPE OF SUPPLY

1 - ENGINEERING, LAYOUT, CRITERIA AND INPUT DATA

SP = COOLING TOWER SUPPLIER

2 - ENGINEERING, BASIC DESIGN

BO = BY OTHERS

3 - ENGINEERING, DETAILED DESIGN

NA = NOT APPLICABLE

4 - SUPPLY

OP = OPTIONAL

5 - ERECTION AND CONSTRUCTION SUPERVISION 6 - ERECTION AND CONSTRUCTION LABOURS 7 - COMMISIONING AND START UP SUPERVISION 8 - COMMISIONING AND START UP LABOURS

Engineering No.

Erection and Construction

Commisioning and startup

Description

Remarks 1

I

Supply

General

2

3

4

5

6

7

8

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SCOPE OF SUPPLY

Engineering No.

Supply

Rev.: 1



Description

Remarks 2

3

4

5

6

7

8

SP

SP

SP

SP

BO

BO

8

Inlet FRP hot manifold headers.

9

Steel Structural Supports for Spray Nozzles and Pipes.

SP

SP

SP

SP

BO

BO

10

Steel Decks for Nozzle Inspection, with handrails and access doors.

SP

SP

SP

SP

BO

BO

11

Concrete Partition Walls between Cells

SP

SP

SP

BO

BO

BO

12

Plenum located static air baffles and air deflecting system

SP

SP

SP

SP

BO

BO

III

Fans

1

Fans

SP

SP

SP

SP

BO

BO

with

water

1

manual

If required

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SCOPE OF SUPPLY

Engineering No.



Description

Remarks

11

Motor Cable trays and conduits

V

Acoustic

1

Expansion Acoustical Shroud

2

Noise abatement devices for water splash, motor, casing, fans.

VI

Supply

Rev.: 1

Joint

1

2

3

4

5

6

7

8

SP

SP

SP

BO

BO

BO

NA

NA

NA

NA

BO

BO

If required

NA

NA

NA

NA

BO

BO

If required

Platforms, Stairs, Ladders and Handrails

1

External Stairs Structure

on

2

Ladders for Access Access Doors

the

to

SP

SP

SP

BO

BO

BO

SP

SP

SP

OP

BO

BO

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SCOPE OF SUPPLY

Engineering No.

Supply

Rev.: 1



Description

Remarks 1

2

3

4

5

6

7

8

BO

BO

BO

BO

BO

BO

BO

BO

BO

BO

BO

BO

Make-up Piping,

Water

Inlet

10

Blowdown Piping

Water

Outlet

11

Risies Drain connection and pipe to pool

SP

SP

SP

SP

BO

BO

12

Drain Piping

BO

BO

BO

BO

BO

BO

13

Chemical Feed Injection piping

BO

BO

BO

BO

BO

BO

BO

BO

14

Water Sampling System Piping

BO

BO

BO

BO

BO

BO

BO

BO

NA

NA

NA

NA

NA

NA

NA

NA

9

VIII

1

dosing

Fire fighting system Design, Enginnering, Bill of Materials, Material

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SCOPE OF SUPPLY

Engineering No.

Supply

Rev.: 1



Description

Remarks 1

2

3

4

5

6

7

8

8

Local Temperature Indicators

BO

BO

BO

BO

BO

BO

BO

BO

9

Heating Surface Thermocouples

BO

BO

BO

BO

BO

BO

BO

BO

10

Test Thermowells

BO

BO

BO

BO

BO

BO

BO

BO

11

Water Level Indicators

BO

BO

BO

BO

BO

BO

BO

BO

12

Flow elements

BO

BO

BO

BO

BO

BO

BO

BO

13

Pressure, flow, level. etc transmitters and switches

BO

BO

BO

BO

BO

BO

BO

BO

14

Sample Nozzles

BO

BO

BO

BO

BO

BO

BO

BO

15

Instrument valves

BO

BO

BO

BO

BO

BO

BO

BO

16

Cabling, conduits and wiring from instrument cable terminals to local junction boxes

SP

SP

SP

SP

BO

BO

BO

BO

NAVOI C.C.P.P.


(477,75 MW)


Energía

SCOPE OF SUPPLY

Engineering No.

Supply

Rev.: 1



Description

Remarks 1

2

3

4

5

6

7

8

1

Complete Sampling System (including all necessary valves and connections as required and control)

BO

BO

BO

BO

BO

BO

BO

BO

2

Complete Chemical dosing system (including all necessary tanks and connections as required and control)

BO

BO

BO

BO

BO

BO

BO

BO

Complete make-uo and blow-down system

BO

BO

BO

BO

BO

BO

BO

BO

3

Power cabling from Motor terminals to Motor Control Centre

BO

BO

BO

BO

BO

BO

4

Cable trays and conduit for powering

BO

BO

BO

BO

BO

BO

Motor Control Centre for

NAVOI C.C.P.P.


(477,75 MW)


Energía

SCOPE OF SUPPLY

Engineering No.

Supply

Rev.: 1



Description

Remarks 1

2

3

4

5

6

7

19

Field Touch up painting

SP

SP

SP

SP

20

Cooling Tower lighting rod

SP

SP

SP

BO

BO

BO

NA

NA

21

Complete shop tests and inspections

SP

SP

SP

SP

NA

NA

NA

NA

BO

NA

NA

XIV

BO

8 BO

Commissioning and Start-up

1

Assembly, Setting, Alignment, and Grouting of Equipment

SP

SP

SP

BO

2

Foundations Labour

BO

BO

BO

BO

BO

BO

BO

BO

3

Civil Work

BO

BO

BO

BO

BO

BO

BO

BO

4

Foundation Design

BO

BO

BO

BO

BO

BO

BO

BO

5

Foundation Base Plates

SP

SP

SP

SP

BO

BO

NAVOI C.C.P.P.


(477,75 MW)


Energía

SCOPE OF SUPPLY

Engineering No.

Supply

Rev.: 1



Description

Remarks 1

2

3

4

5

6

7

21

Site storage, warehouse, control and handling

BO

BO

BO

BO

BO

22

Instrument Calibration

SP

SP

SP

SP

NA

23

All requirement Indoor/Outdoor Storage of Equip & Material

SP

SP

SP

BO

BO

BO

BO

24

Transport of Damaged/Defective Material for Repair

NA

NA

NA

SP

SP

BO

SP

XV


8

BO

1

Mobile cranes

SP

SP

SP

BO

BO

BO

2

Fixed crane

SP

SP

SP

BO

BO

BO

3

Jacks, winches, tackles

SP

SP

SP

BO

BO

BO

NAVOI C.C.P.P. (477.75 MW) Energía

SUPPLIER: ESINDUS INITEC DOCUMENT CODE

Rev.: 01

SUPPLIER´S DOCUMENT LIST

DOCUMENT NAME (DESCRIPTION)

DOCUMENT: NAV-10-PAB-MI-IEM-465-A2 SUPPLIER´S DOCUMENT CODE *(to be used only with the permit of the Project Manager)

ANNEX A2 ESTIMATED ISSUING DATE TO INITEC (WEEKS)

OBJECT (APPROVAL /INFORMATION)

Date: 18/03/10 CRITICAL DOCUMENTATION

1.1

Equipment detailed description and performance

2

X

1.2

Completed technical data sheets of the equipment

2

X

1.3

Process and Instrumentation Diagram – P&ID´s

2

1.4

General Cooling Tower and Circulating System layout drawings including outer dimensions, plan view and vertical sections with dismantle areas and weights

4

X

1.5

General Equipment layout drawings (plan view, vertical sections and piping, instrument, and auxiliary equipment connection details with dismantle areas and weights

4

X

1.6.

Piping layout drawings

4

1.7

General and detailed drawings of internals, inter nals suppor t and insulation requirements

1.8

Detail drawings indicating field welds

1.9

Fan, gearbox, drive shaft and couplings drawings.

1.10

Complete cooling tower parts list including identification codes of parts

1.11

Noise analysis study and data

1.12

Anti-freeze protection description and details (if applicable)

1.13

Material list and drawings including auxiliary piping, valves and fittings

1.14

Chemical dosing requirements

1.15

Valves list (acc. INITEC format)

1.16

Piping list (acc. INITEC for mat)

1.17

Equipment list (acc. INITEC format)

1.18

Terminal point list (large bore and small bore)

1.19

Blow down system data

1.20

Clearing procedure of lubrication piping

1.21 1.22

8

4

X

Thermal expansion and allowable forces and moments for every piping terminal points

4

X

Characteristic curves KV/L vs L/G and cold water vs. Wet bulb temp at 90-100-110% circulating flow

2

X


Rev.: 01

SUPPLIER´S DOCUMENT LIST SUPPLIER: ESINDUS

INITEC DOCUMENT CODE

DOCUMENT: NAV-10-PAB-MI-IEM-465-A2


SUPPLIER´S DOCUMENT CODE *(to be used only with the permit of the Project Manager)




1.23

Drift Loss curve as a function of air speed

4

X

1.24

Calculations ( civil works + water balance )

8

X

1.25

Performance curves inc. Air flow, pressure, efficiency, and horsepower vs. Fan speed and blade pitch

1.26

Fill specification and data

1.27

Arrangement of fan, fan data, performance curve and critical speed

2.1.

Electrical diagrams of control and terminal box wiring

2.2.

Completed electric motor data sheets

2.3.

Motor Dimensional drawing and Terminal box arrangement.

10

2.4.

Motor performance curves

10

X

2.5.

Electrical load list

4

X

3.1.

Functional description and operation Control Diagrams of the tower )

4

X

3.1.b

Operation and functional description

4

3.2.

List of alarms and set points with actuation points.

4

3.3.

List of i/o signals for the control system.

4

3.4

Instrument List

4

X

3.5

Instrument Data Sheets

6

X

3.6

Instrument field mounting typical (hook-up).

8

3.7

Junction Boxes Wiring Schematic and Signal grouping.

6

3.8

Instruments Calibration sheets

8

3.9

Location and layout plan of instruments and junction boxes.

3.10

Heat tracing specification and material data sheets to purchase order by other

NA

3.11

Instr umentation heat tracing details

NA

3.12

Heat tracing layout

NA

3.13

Instr uments and control cable list

4.1.

General arrangement drawing

4.2

Drawing of all structures and tr enchs

4 8

(NOT Logic and Analogical

X

8

4 4 NA

A

X


Rev.: 01




4.3

Platform, stairs & ladder arrangement drawing

4.4

Drawing Layout of concr ete structures indicating dimension of all elements

4.5

Loads Drawing

4.6

Foundation Bolts layout

5.1.

Erection drawings

5.2

Filed assembly program, commissioning and Start-up, indicating time schedule, manworkship and category.

5.3

Supervisory program, indicating number of supervisors and category ( in case that no field assembly is in contract )

5.4

Erection Procedure

5.5.

Insulation and electric tracing installation procedures

5.6.

Lifting procedures and requirements for erection and maintenance

5.7.

Field weld list & Field Bolt List

5.8.

Erection Utility list

5.9.

Packing List

5.10.

Preservation and storage instruction

5.11.

Packing Shipping Weights & dimensions

5.12

List of special tools for installation and maintenance.

5.13

Field Cleaning and Painting Procedures

6.1

Detailed description of the equipment and operation, including auxiliary systems.

6.2

Accurate description of the scope of supply

6.3

Exception and Acceptance Conformance to Specification

6.4

List of codes and standards used during design, manufacture and testing.

6.5

Utility list

6.6

Lubrication list.

6.7.

Nameplate drawing

6.8

Shop Surface preparation and painting specification and procedure.


ANNEX A2

Date: 18/03/10

ESTIMATED ISSUING DATE TO INITEC (WEEKS)


8

I

10

I

X

8

A

X

12

A

X

10

CRITICAL DOCUMENTATION


Rev.: 01





6.9

Assembly and Erection manual

7.1

Material certificates

7.2

Test and inspection certificates calibrations and reports

7.3

Packing-list and instructions for transport and field warehousing

7.4

Reference List

7.5.

Quality Plan

7.6.

Inspection and test point program

7.7.

Procedure Qualification specifications (WPS)

7.8.

Quality analysis report

7.9.

Shop test documentation

7.10.

Material and equipment certifications

7.11.

NDT procedures

7.12.

Test procedure at site

7.13.

Certificates of conformance

7.14.

Painting report

7.15.

Supplier's certifications

7.16.

Quality and technical final report

reports

(PQR)

&

welded




procedure

8.1

Project organization manual

8.2

Project schedule

8.3

Fabrication Plan

8.4

Project Monthly Progress Reports

8.5

Unpriced Subcontractor Orders

8.6

Subcontractor list

8.7

List of project documents with expected schedule

8.8

Spares parts List for erection, commissioning, start-up and agreed operation period

8.9

Bill of material

9.1

Installation Manual

X


SUPPLIER: ESINDUS INITEC DOCUMENT CODE 9.2.

Rev.: 01



Training manuals

9.3

Operation & maintenance manuals

10.1

Installation Manual

10.2

Training manuals

10.3

Operation & maintenance manuals

10.4

Motor Certificates and Test Procedures

10.5

Motor Conection and instruments

11.1

GEARBOX DATA SHEET.

11.2

GEARBOX DRAWING .

11.3

GEARBOX FINAL CONTROL PROCEDURE

11.4

GEARBOX STANDARD PAINTING PROCEDURE.

11.5

GEARBOX CERTIFICATES AND TEST REPORTS .

11.6

GEARBOX INSTRUMENTS .

12.1

FAN DATA SHEETS .

12,2

FAN DIMENSIONAL CONTROL PROCEDURE .

12.3

FAN BALANCE PROCEDURE .

12.4

FAN MATERIAL CERTIFICATE .

12.5

FAN TEST CERTIFICATES .

13.1

COUPLING DATA SHEETS .

13,2

COUPLING DRAWING.

13.3

COUPLING MATERIAL CERTIFICATE .

13.4

COUPLING BALANCE PROCEDURE

14.1

FAN STACK MATERIAL CERTIFICATE .

15.1

HEADER MATERIAL CERTIFICATES

15.2

FILLING MATERIAL CERTIFICATES

15.3

PIPES MATERIAL CERTIFICATES .

16.1

FILLING PACKAGES MANUFACTURING PROCEDURE

16,2

SPRAYERS AND PLASTIC ACCESSORIES MANUFACTURING PROCEDURE

16.3

DELIVERY PROCEDURES






SUPPLIER: ESINDUS INITEC DOCUMENT CODE

DOCUMENT: NAV-10-PAB-MI-IEM-465-A2

COUPLING BANLANCE PROCEDURE .

17.1

COOLING TOWER OPERATION AND MAINTENANCE MANUAL .. EQUIPMENT

I NSTALLATION

BASIN FORMS AND LOADS

18.2

DELETE

18.3

DELETE

18.4

GEARBOX ACCESS WALKWAY

18.5

HDGS STAIRWAY

18.7

AND

MAI NTENANC E

MANUALS

( MOTOR,

GEARBOX, COPLING MANUAL, FAN MANUAL) .

18.1

18.6

SUPPLIER´S DOCUMENT CODE *(to be used only with the permit of the Project Manager)


16.4

17.2

HDGS LADDER DELETE DELETE

NOTE:

Rev.: 01


DOCUMENTS MARKED WITH "X" ARE SUBJET TO "LIQUID DAMGAES" AS PER PURCHASE ORDER




Energía

C.T.C.C. NAVOI


(477,75 MW)


DEVIATION CLARIFICATION LIST Rev.: 0

ANNEX 3

DEVIATIONS /CLARIFICATIONS LIST

INITEC Energía Item

Party

Deviations / Clarifications List Deviation/ Required Clarification

PROJECT: C.T.C.C. NAVOI (477.75 MW) SUPPLY: COOLING TOWER Bid No: Doc No.

Section

BIDDER: DATE: 05-11-2009 PAGE: 1 of 1 SIGNATURE: Comments / Resolutions

Status opened

Energía

C.T.C.C. NAVOI


(477,75 MW)


INSPECTION AND TEST PLAN Rev.: 0

ANNEX 4

INSPECTION AND TEST PLAN

INITEC Energía

INPECTION AND TEST PLAN

PROJECT: C.C. NAVOI (477,75 MW) SUPPLY: COOLING TOWER No: NAV-10-PAB-MI-IEM-465.REV0_annex4

PAGE: 1 of 6

The table below lists the minimum inspections and tests to be carried out on the equipment: No.

1.

Item

Inspection / Test

Performed by

Report

Purchaser

1. Material Inspection

M

X

R

2. Static Balanced

M

X

3. Blades Dynamic Balanced

M

X

M

X

W

5. Verify approval and authorization to ship

P

X

H


M

X

R

M

X

W

FUNS

4. Final Inspection /release for shipment   

2.

GEAR BOX

Marking and tagging Shipping preparation Quality verification documentation

2. Shop Tests      

Reduction factor Heating Vibrations Noise Tightness Loads

Owner

Remarks

INITEC Energía No.

INPECTION AND TEST PLAN Item


Inspection / Test

3. Visual and dimensional inspection (Control of defects)

PAGE: 2 of 6

Performed by

Report

M

X

M

X

Purchaser

4. Final Inspection /release for shipment    

Marking and tagging Painting Shipping preparation Quality verification documentation


3.

X

H


M

X

R

2. Dynamic balanced

M

X

W


M

X


M

X


M

X

DRIVE SHAFTS

4. Final Inspection /release for shipment   

H

Owner

Remarks

INITEC Energía No.



Inspection / Test

PAGE: 3 of 6

Performed by

Report

Purchaser

1. Raw materials reception

M

X

R


M

W

3. Tests        

4.

Routine test Measuring resistance Measuring of insulation resistance Testing by locked rotor No load test Check of motor running Direction of rotation High voltage test

M

X

M

X

M

X

W

MOTOR

4. Final Inspection     

Marking and tagging Shipping preparation Quality verification documentation Material certificate Test Reports


H

Owner

Remarks

INITEC Energía No.



Inspection / Test


Performed by

Report

Purchaser

M

X

R

X

2.Visual and dimensional inspection (Control of defects)

5.

FILLS

3. Visual inspection Marking and tagging Shipping preparation Quality verification documentation

M

X

W


M

X

H


M

X

R

2.Visual and dimensional inspection (Control of defects)

M

X

W

M

X

  

6.

WATER INJECTION NOZZLES

PAGE: 4 of 6

3. Visual inspection   


Owner

Remarks

INITEC Energía No.



Inspection / Test

PAGE: 5 of 6

Performed by

Report

Purchaser


M

X

H


M

X

R


M

X

W

M

X

M

X

3. Visual inspection 7.

WATER DISTRIBUTION PIPING/RISERS

   

Verify approval and authorization to ship Marking and tagging Shipping preparation Quality verification documentation


H

Owner

Remarks

Mechanical Draft Cooling Tower

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