Desalination Plant Technical Specification

MISKI BAYÓVARPROJECT
0111
TITLE
MAYO
N° MISKI MAYO
KOO20

PAGE
BASIC ENGINEERING ET - 3010 - M - 301 1/21
3010
N°AMEC REV.
TECHNICAL SPECIFICATION FOR DESALlNATION PLANT B
2109- ET - 3010 - M - 301

REVISION

TE:TIPODE A - PRELIMINAR C - PARACONOCIMIENTO E - PARACONSTRUCCiÓN G - CONFORMECONSTRUIDO
EMISiÓN B - PARAAPROBACiÓN D - PARACOTIZACiÓN F - CONFORMECOMPRADO H - CANCELADO

Rev. TE Descripción Por Ver. Apr. Aut. Fecha

A A PARA COORDINACION INTERNA ACP JV FS

B B PARA APROBACION ACP JV FS

PARA APROBACION DEL CLIENTE

Aprobado

Aprobado con Comentarios

Rechazado y volver a emitir

Aprobado sin revisión del Cliente

fecha firma

~ '00 IN
1- (Xj{~
15 NOV2006

MISKI BAYÓVAR PROJECT
0111
TITLE
MAYO
N° MISKI MAYO
KOO20
PAGE
3010
N°AMEC REV.
TECHNICAL SPECIFICATION FOR DESALlNATION PLANT
2109- ET - 3010 - M - 301 B

MISKI MAYO

PROJECT N° 2109

BAYÓVAR PROJECT

BASIC ENGINEERING

TECHNICAL SPECIFICATION

N° ET-3010-M-301

FOR

DESALlNATION PLANT

Prepared by:

AMEC International (Chile) S.A.

Approved by:

Lead Discipline (JV)
Engineering Manager (PF)
Project Manager (FS)
Client (TF)

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15 NOV2006

MAYO K0020
TÍTLE Nº MISKI MAYO PÁGE
3010
Nº AMEC REV.
TECHNICAL SPECIFICATION FOR DESALINATION PLANT 2109- ET - 3010 - M - 301 B

CONTENT

Page

1.0 SCOPE .............................................................................................................................. 4

2.0 APPLICABLE CODES, STANDARDS AND REFERENCES ........................................... 5

3.0 GENERAL REQUIREMENTS ........................................................................................... 6

4.0 TECHNICAL REQUIREMENTS ........................................................................................ 8

5.0 SEISMIC DESIGN CRITERIA ......................................................................................... 10

6.0 INSPECTION AND TESTING ......................................................................................... 10

7.0 DOCUMENTATION REQUIRED WITH THE BID ........................................................... 12

8.0 SHIPMENT ...................................................................................................................... 12

9.0 TRAINING OF PERSONNEL .......................................................................................... 12

10.0 TECHNICAL PERFORMANCE GUARANTTE REQUIREMENTS ................................. 13

11.0 DATA SHEETS ............................................................................................................... 13

APPEND 1 WATER CHARACTERISTICS

ET-3010-M-301_A TECHNICAL SPECIFICATION FOR DESALINATION PLANT

MAYO K0020
3010
Nº AMEC REV.

1.0 SCOPE

1.1 Work Included

This Technical Specification covers the general requirements for the design, materials,
fabrication, inspection, testing, packaging, personnel training, pre-operational testing and
commissioning of a new Desalination Plant for the Bayóvar Project available for sea
water treatment, with the capacity and characteristics indicated on the data sheets.

Work shall include the design of the complete package according to, but is not limited to,
the following items:
• Desalination unit.
• Pre-treatment system.
• Post treatment system.
• Main feed tank.
• Additives tanks
• Required pumps with electric motors
• Chemical dosing system
• All interconnection piping
• Control panels
• All instruments and control system for an automatic operation
• All safety devices
• Spare parts for 2 year operation.

The units shall be complete and ready for mounting and operation except for items listed
as exclusions in paragraph 1.2 of this specification.

The design and function of this equipments, components and accessories are Vendor’s
responsibility and design shall be for a minimum of 20 year life.

All construction material for this equipments, components and accessories shall be new,
of high quality, free of defects and shall be approved as standard for the intended service
and operating conditions and meet the requirements of both codes and standard
referenced in this specification, under paragraph 2.0.

Supplier’s Quality Assurance Program for the construction of the Desalination Plant shall
comply as a minimum with the requirements of chapter 6 of this specification (Inspection
and Testing).


MAYO K0020
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Nº AMEC REV.

1.2 Work Excluded

The following items shall be excluded from the supply:

• Structural foundation
• Electrical wiring and conduit external to the equipment.
• Walkways, platforms, stairways, and railings.
• External piping.

2.0 APPLICABLE CODES, STANDARDS AND REFERENCES

Design and construction shall conform to all codes, specification or standards referenced
in this document, its attachments, and procurement documents to the extent noted, the
Peruvians laws and norms shall be considered.

2.1 Requirements of Regulatory Agencies

Applicable requirements of OSHA and MSHA shall apply unless otherwise noted.

The applicable sections of the latest issues of the following codes and standards form a
part of this specification:

ABMA - American Bearing Manufacturers Association
AGMA - American Gear Manufacturers Association
AISC - American Institute of Steel Construction
ANSI - American National Standards Institute
ASME - American Society of Mechanical Engineers
ASTM - American Society for Testing and Materials
AWS - American Welding Society
IEC - International Electrotechnical Commission
IEEE - Institute of Electrical and Electronic Engineers
NEC - National Electric Code
NEMA - National Electrical Manufacturers Association
SAE - Society of Automotive Engineers


MAYO K0020
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Nº AMEC REV.

JIC - Joint Industry Conference
NFPA - National Fire Protection Association
ISO - International Organization for Standardization
UL - Underwriters Laboratories Inc.
ISA - Instrument Society of America
UBC - Uniform Building Code

In the event of differences between codes and/or standard, the most stringent code or
standard shall apply. Standards from other countries may be accepted subjected to
Purchaser approval. Vendor shall state this situation, together with his exception lists.

Any conflict between the documents and the Purchase Order document shall be referred
to the Purchaser for clarification before proceeding with the manufacturing of the affected
parts. Nevertheless, Vendor shall remain responsible for the supply and correct
operation of the Desalination Plant, under conditions stated herein.

3.0 GENERAL REQUIREMENTS

The desalination plants will include all devices required to produce desalinated water,
including a chlorinating system for to produce drinkable water of a portion of desalinated
water.

Equipment capacity and operating data are indicated on the attached Data Sheets.

Vendor shall assume full coordination responsibility for the entire Desalination Plant with
your sub-suppliers.

The drinkable water quality shall be complying with “Ley General de Aguas del Peru DL
17752” for quality water for human consumption.

The equipment, frame, motor and anchors shall withstand seismic conditions specified in
Data Sheets of this technical specification.

Vibration level of the equipment shall be the minimum as possible. Vendor shall inform
about normal and critical vibration levels and supply drawings of suggested foundation or
slab.

Shock absorbers to reduce vibration transmission will not be accepted.


MAYO K0020
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Nº AMEC REV.

Vendor shall deliver sufficient information for the design and calculations of the
foundations such as gravity centre position, static and dynamic vertical and horizontal
forces and moment etc.

3 Drinkable
Seawater 1 DESALINATION Water
PRE TREATMENT DRINKABLE
PLANT TRAIN(S) WATER UNIT
DS-3010-01 ST-3070-01
4

2
Battery Limits

5
TANK Seal Water
3
2.100 m
TQ-3010-01

Desalinated water Desalinated water

Rejection Process Water

Design
Flow Pressure
Flow
No.
m3/d kPag
1 Vendor Vendor
2 3532 Vendor
3 36 Vendor
4 36 Vendor
5 Vendor Vendor


MAYO K0020
3010
Nº AMEC REV.

4.0 TECHNICAL REQUIREMENTS

4.1 Desalination Plant and Related Components

The sea water characteristics and product water are showed in Append 1

The plant will be installed outdoor at 35 km to the sea coast. The sea water supply to
the plant will be from the reservoir tank PD-3000-01 and will be pumped to the tank inlet
plant. If same components of plant must be indoor, these components shall be located
in adapted container (by vendor).

The plant will included the needed related component such as pre treatment system,
chlorination and salinization system and any another components required for a properly
operation.

Storage of potable water will be in tanks, supplied by others.
4.2 Mechanical

The desalination plant will be pre-assembled, skid mounted and on site will be mounted
on simple concrete foundations (by others) and served by common systems for seawater
feed, pretreatment system, electric power supply, product removal and brine disposal by
piping back to the dispose point.

The main vessels shall made of mild steel properly stiffened to withstand vacuum
conditions and painted with epoxy resin paint on both sides to ensure effective corrosion
resistance.

Pipes will be of material immune to corrosion, including seawater feed and brine.

Pump materials and characteristics are so selected as to ensure steady trouble free
operation and high efficiency performance.

4.3 Special Tools

All special tools required for assembly and disassembly of the plant shall be included in
the scope of supply.
4.4 Noise Level

Noise level will not exceed 85 dB(A) at 1 m, from each item.
4.5 Electrical

Electrical System shall be in accordance with Vendor’s Standard Electrical Specification


MAYO K0020
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Nº AMEC REV.

and Standard requirements for electrical components supplied w/ Mechanical Equipment
Nº 2109-ET- 0000-E-306.

Desalination Plant Vendor shall, whenever possible, standardize required electrical
components such as motors and controls, for maintenance and consideration of spare
parts.

Purchaser shall supply all distribution, motor starters, and power and control cables. The
Manufacturer shall indicate all requirements of control elements, interlocking, and others.

All electrical components shall be wired up to terminal strips located in junction boxes
with NEMA 4X type enclosure.

4.6 Electric Motors

Electric motors shall be manufactured in accordance with NEMA standards or its
equivalent IEC standards. Motors shall be TEFC enclosure, NEMA B design and
insulation class F, with temperature rise B. Minimum power factor shall be 0.86. Service
factor at site conditions shall be 1.0. Refer to Low Tension Electric Motor Technical
Specification Nº 2109-ET-0000-E-308.

Power feed shall be as follows:
• Less than 0,37 kW : 220 V, single-phase, 60 Hz.
• From 0,37 kW up to 150 kW : 440 V, three-phase, 60 Hz.
• Larger than 150 kW : 4000 V, three-phase, 60 Hz.

4.7 Controls and Instrumentation

Vendor shall apply Instruments Requirements for Mechanical Equipment according with
Technical Specification Nº 2109-ET-0000-J-302.

Systems requiring protection shall be provided with suitable sensing devices to initiate
alarm and, when necessary, to provide automatic shut down to protect the equipment.

Controls furnished shall operate smoothly in both loaded and unloaded condition.

Instrument shall be designed for heavy duty operation.

Vendor shall supply a local control panel with all status, alarms and all indication that
allow the operator and maintenance personnel to operate the plant. The Desalination
Plant must have the capacities of being operated and supervised remotely from a
centralized control room.


MAYO K0020
3010
Nº AMEC REV.

5.0 SEISMIC DESIGN CRITERIA

Seismic design criteria shall be Zone 4 UBC 1997 Code.

The supplier shall perform a seismic analysis of the Desalination Plant components.

The results of the calculations, including loads on the foundations, shall be submitted to
the Purchaser for information.

6.0 INSPECTION AND TESTING
6.1 General

Quality inspection procedures shall be according to Vendor’s standards.

Vendor shall include in his bid a detailed fabrication inspection program.

Equipment shall be completely shop assembled, tested and operated under no load
conditions at rated speed to ensure proper alignment and adequacy of all functional
parts.

All components shall be properly match marked. Items requiring precision alignment and
location shall be provided with a minimum of two (2) dowel pins or fitted bolts to ensure
proper alignment in the field.

The Purchaser or designated inspector reserves the right to witness all testing
procedures in the Vendor’s shop.

Vendor shall ensure that the required properties of the materials utilized in fabrication of
the plant are obtained.

Vendor’s purchase orders for materials shall include the requirements for certification of
all chemical and mechanical properties including through thickness tensile test results for
special steels, as specified. Purchaser shall have the right to review test reports.
Coupons of appropriate size of all castings, plates, etc., shall be kept for inspection by
the Purchaser or its representative.

6.2 Non-Destructive Examination

The non-destructive examination requirements specified herein are Purchaser’s
minimum requirements. In the Requisition are including specified Inspection and Quality
Plan.


MAYO K0020
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Nº AMEC REV.

6.3 Inspection Reports

Before delivery, the following inspection reports shall be indexed, bound and made
available for Purchaser’s.

• Materials certificates, including chemical composition and mechanical properties.
• Ultrasonic examinations records of forged and cast steel pieces.
• Penetrating liquid examination records of forged and cast steel pieces.
• Radiographic examination records for casting, welding and forgings.
• Dimensional examinations records.
• Cast test coupons shall be attached to the castings and undergo the same heat
treatment as the castings. In addition, it is expected that the Vendor will follow all
other procedures, examinations and tests that are normally carried out according to
sound manufacturing and industry practice.

All rotating elements and ancillary equipments shall be dimensionally checked upon
completion. All critical dimensions shall be checked including, as a minimum, overall
length, outside diameter, concentricity and squaring of all rotating elements.

Purchaser shall be notified of all dimensional differences from Vendor’s drawing that
could affect Buyer’s foundation or external connection designs.

Any major repairs performed after final thermal stress relief shall require thermal stress
relief at Vendor’s cost. Depths of repair exceeding 10 percent of section thickness or 10
mm shall be considered major repairs.

Test and quality controls mentioned above shall conform to a strict Quality Assurance
Program.

Elaboration of this program is Vendor responsibility and shall be included in the bid for
Purchaser’s evaluation.
6.4 Specifications and Data Requirements

The following specifications and data shall be reviewed and approved by the Purchaser
prior to fabrication:

• Fabrication, inspection and quality control procedures and Quality Assurance
Program.
• Welding procedures including welding procedure qualification test records and
procedures for control of low hydrogen filler materials.
• Non destructive examination procedures.
• Weld repair procedures.


MAYO K0020
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Nº AMEC REV.

• Surface preparation and painting procedures.

7.0 DOCUMENTATION REQUIRED WITH THE BID

Bidder shall supply all drawings and data listed in Bidders Drawing & Data Commitments
including P&ID’s, basic arrangement, loads on foundations, electrical and hydraulic
diagrams, operation and maintenance Manual in Spanish.

8.0 SHIPMENT

8.1 Each item shall be identified with a securely attached non-corrosive metal tag impression
stamped with the equipment No. and description with purchase order number.

8.2 All components that must be disassembled for shipment shall be properly matched
marked. Items requiring precision alignment and location shall be provided with a min. of
2 dowel pins of fitted bolts to assure proper alignment in the field.

8.3 Bidder shall adequately prepare all components for export shipment, recognizing the
requirements for inland transport, stevedore handling, and marine transport (if required).
Subassemblies shall be as large as transportation facilities will permit.

8.4 The shipment of loose, individual components shall be avoided.

9.0 TRAINING OF PERSONNEL

Vendor will train the technicians and mechanics designated by the Client in proper
operating and maintenance procedures, during the erection and commissioning period.

In addition to training derived through direct participation in the erection, commissioning
and initial operation of the plant it is suggested that the Client send his personnel to
assembly shop to participate in the assembly of the unit and factory pre-shipment tests.

This program will enable them to become thoroughly familiar with the plant's inner works,
the function and design of each individual subsystem and with proven trouble-shooting
procedures.

A Preliminary training schedule shall be attached to the technical offer.


MAYO K0020
3010
Nº AMEC REV.

10.0 TECHNICAL PERFORMANCE GUARANTTE REQUIREMENTS

Supplier shall guarantee that the equipments will operate in accordance with
requirements stated in this specification.

Defective work caused by improper shipping, improper protective measures, poor
workmanship, defective or incorrect materials, incorrect shop fabrication procedures, or
any other reason within the area of responsibility of the Supplier, shall be corrected by
Supplier at his own expense, to the satisfaction of Buyer.

Following issuance of the certificate of Field Assembly Inspection, and at a time
agreeable at both Buyer and Supplier, a one week trial run shall be performed for the
equipment, under the supervision of Supplier’s representative. Prior to the trial run, the
Supplier’s representative shall train the operating personnel.

When the plant is operating at design conditions, and at a time agreeable to both
Supplier and Buyer, the Performance Guarantee test run shall be carried out for the
equipment. Duration of the test run for performance guarantee shall be a 48 hours
operation. The test shall be performed by qualified personnel.

Operating personnel and supporting materials, utilities, etc to assist in the performance
of the test work will be provided by buyer. All other costs for the test work, such as
contract cost of an approved testing laboratory, shall not be included in the Supplier’s
scope of supply.

Conditions applicable to Performance Guarantee Test Run shall be as indicated in data
sheet A.

In the event that the guaranteed figures are not met due to failure of the equipment,
Supplier shall be responsible for any corrective action necessary to bring the equipment
into compliance, and will be responsible for all Supplier’s costs for correction and all
vendor cost for correction and subsequent performance guarantee test runs until
compliance is achieved.

11.0 DATA SHEETS

The following data sheets form part of this equipment specification and shall be
considered and/or filled out and returned with Vendor’s bid:


MAYO K0020
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Nº AMEC REV.

DATA SHEET A
DUTY AND SERVICE REQUIREMENT

DESALINATION PLANT REQUISICIÓN Nº:
TAG Nº: DS-3010-01/ST-3070-01
DESCRIPTION DATA

1.0 NUMBER AND SIZE OF UNITS One (1)

2.0 EQUIPMENT NUMBER DS-3010-01 Desalination Plant

ST-3070-01 Drinkable water system

3.0 DUTY CYCLE

Hours per day 20

Days per week 7

Days per year 365

4.0 AMBIENT CONDITIONS

Plant Location Sechura, Piura, Perú

Indoors or Outdoors Outdoors

Environment, Clean or Dusty Very Dusty

Environment humidity 70 – 85 %

Elevation 32 m. a. s. l

Maximum Temperature @ unit 33,4 °C Ambient

Minimum Temperature @ unit 14,6 °C Ambient

5.0 DESCRIPTION OF OPERATION
The plant is required for obtain desalinated and drinkable
Description water from sea water.

Equipment availability 95%

6.0 CAPACITY

Desalination Plant offered

Nominal capacity m3/day 3532 for 20 operation hours per day (product)
3
Design Capacity m /day (max.& min) 3800


MAYO K0020
3010
Nº AMEC REV.

DATA SHEET A
DUTY AND SERVICE REQUIREMENT

DESALINATION PLANT REQUISICIÓN Nº:
TAG Nº: DS-3010-01/ST-3070-01
DESCRIPTION DATA

Reject at maximum capacity, % *

7.0 POTABLE WATER

Nominal Capacity m3/day 36

Water Characteristics Quality Characteristics shall comply with “Ley general de
aguas de Peru DL 17752”

8.0 UTILITIES
Indicate additives and flows

Steam (if required)

Flow Kg/h

Pressure kPag

Air Type and Pressure

Electrical Services 4,16 KV AC, 3 ph, 60 Hz, High resistance grounded for supply
of 4.0 kV motor and other loads (> 150 kW) .
460 V AC, 3 ph, 60 Hz, High resistance grounded for supply
of 0,37 kW motor and others loads(P≤150 kW)


MAYO K0020
3010
Nº AMEC REV.

DATA SHEET B
EQUIPMENT VENDOR DATA
REQUISICIÓN Nº:
DESALINATION PLANT
TAG Nº: DS-3010-01/ ST-3070-01

DESCRIPTION REQUESTED OFFERED PURCHASED

1.0 SUMMARY
Supplier
Address
Phone/Fax
Manufacturer
Nominal Unit Size
Outline Dimensions (m)
Total Weight (kg)

2.0 DUTY CYCLE
Hours per day 24
Days per week 7
Days per year 365

3.0 OPERATING DATA
Processed material Sea water
3
Design Rate , m /day *
Solid content See append 1

Process Type Reverse osmosis or
Evaporation

4.0 MATERIALS
Filters sand tank
Filters activated carbon tank
Additives tank
Media filter
Pumps
Piping

5.0 SAND FILTER
Standard design tank
Work pressure
Design pressure


MAYO K0020
3010
Nº AMEC REV.

DATA SHEET B
REQUISICIÓN Nº:
DESALINATION PLANT
TAG Nº: DS-3010-01/ ST-3070-01


Inlet connection diameter
Outlet connection diameter
Flanges type
Dimension (diam. x height) m
Weight empty tank (kg)
Weight charged tank (kg)
Weight in operation tank (kg)
Quantity

6.0 ACTIVATED CARBON FILTER
Standard design tank
Work pressure
Design pressure
Inlet connection diameter
Outlet connection diameter
Flanges type
Dimension (diam. x height) m
Weight empty tank (kg)
Weight charged tank (kg)
Weight in operation tank (kg)
Quantity

7.0 Osmotic membrane (if required)
Material and supplier
Feed Pressure, kPa
Reject Pressure, kPa
Filtration rate, %
Useful life, Operation hour
Warranty life, operation hours
7.1 Pipe carries
Material / Sch
Length


MAYO K0020
3010
Nº AMEC REV.

DATA SHEET B
REQUISICIÓN Nº:
DESALINATION PLANT
TAG Nº: DS-3010-01/ ST-3070-01


Operation pressure

8.0 Evaporators Tubes and End Plates (If
required)
Tubes
End plates

9.0 Carryover Separator (If required)
Type
Material

10.0 Steam Compressor (If required)
Manufacturer
Type
Materials of construction
Design

11.0 Heat Exchanger (If required)
Type
Material

12.0 Instruments
Flowmeters
Conductivity meter
pH meter
Flow controller
Alarms
CIP system
PLC

13.0 Drinkable Water System
Manufacturer
Type
Maximum capacity, m3/h


MAYO K0020
3010
Nº AMEC REV.

DATA SHEET B
REQUISICIÓN Nº:
DESALINATION PLANT
TAG Nº: DS-3010-01/ ST-3070-01


13.1 Dosage system (if required)
Additive
Pump type
Additive flow
Dosage type (in line / tank /other)

14.0 WEIGHTS AND SIZES
Total Weight (kg)
Total Shipment Volume (m3)
Largest Piece for Erection (Identify)
Largest Piece for Erection (mm)
Heaviest Piece (Identify)
Heaviest Piece During Erection (kg)
Heaviest Piece During Maintenance
(Identify)
Heaviest Piece During Maintenance (kg)

15.0 UTILITIES REQUIRED FOR OPERATION OF THE PLANT
Instrument or Plant Air,
Quantity/Pressure
Fresh Water, Quantity/Pressure
Electrical Requirements 4,16 KV AC, 3ph, 60hz.
0,46 KV AC, 3ph, 60hz
NOTES:


MAYO K0020
3010
Nº AMEC REV.

APPEND 1

WATER CHARACTERISTICS


MAYO K0020
3010
Nº AMEC REV.

CHEMICAL CHARACTERISTICS OF THE SEA WATER

SEA WATER

Temperature 17 – 28° C
Specific gravity 1,025
Transparency 2,8 m
Oxygen 5,0 – 6,2 mg/l
Total Phosphate 0,032 – 0,063 mg/l
Lead < 0,050 mg/l
Cadmium < 0,020 mg/l
Dissolved Silica 1,0 – 2,1 mg/l
Nitrates 0,18 – 0,27 mg/l
Mercury < 0,001 mg/l
Cooper < 0,012 mg/l
Salinity 34,6 – 34,7 ‰
Biochemical oxygen demand BOD < 2,0 mg/l
Suspended solids 10,0 – 18,8 mg/l


Desalination Plant Technical Specification

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