REALISATION EN EPC D’INSTALLATIONS DE PRODUCTION DE LINEAR-ALKYL-BENZENE <> A SKIKDA ALGERIE

CT-EPC/017/SH/EPM/RPC-X/2023

TCM IDENTIFICATION CODE

4439-FZ-SG-000000002

SHEET 1 / 32

ISSUE 4

SITE PRESERVATION GENERAL SPECIFICATION

4

3

2

1

0

27/11/2024

7/11/2024

4/10/2024

17/09/2024

02/05/2024

IFF - Issued for Final

IFF - Issued for Final

IFF - Issued for Final

IFF - Issued for Final

S. Fernandez

D. Jesu

A. Personeni

S. Fernandez

D. Jesu

A. Personeni

S. Fernandez

D. Jesu

A. Personeni

S. Fernandez

D. Jesu

A. Personeni

IFI - Issued for Information

S. Fernandez

D. Jesu

A. Personeni

Issue

Date

Reason for Issue – Revision Description

Prepared

Checked

Approved

This document is property of Tecnimont S.p.A. and cannot be used by others for any purpose, without prior written consent

SITE PRESERVATION GENERAL SPECIFICATION

REALISATION EN EPC D’INSTALLATIONS DE PRODUCTION DE LINEAR-ALKYL-BENZENE <> A SKIKDA ALGERIE

TCM IDENTIFICATION CODE

4439-FZ-SG-000000002

SHEET 2 / 32

ISSUE 4

CONTENTS

1. SITE PRESERVATION GENERAL SPECIFICATION - SUB-CONTRACTOR’S SECTION … 4

1.1

PURPOSE … 4

1.2 DEFINITIONS AND ABBREVIATIONS … 4

1.3 REFERENCE DOCUMENTS … 6

1.4

1.5

1.6

1.7

SITE PRESERVATION MANAGEMENT … 7

SUBCONTRACTORS’ RESPONSIBILITIES … 7

SITE PRESERVATION GENERAL REQUIREMENTS … 9

SITE MATERIAL PRESERVATION … 12

1.7.1 GENERAL … 12 1.7.2 GENERAL - INFLUENCE OF CLIMATE AND CYCLIC OPERATIONS … 12 1.7.3 GENERAL - INFLUENCE OF CLIMATE AND CYCLIC OPERATIONS … 12 1.7.4 GENERAL - MARINE ENVIRONMENT, SALT, AND CHLORIDES … 12 1.7.5 GENERAL - IDLE ROTATING EQUIPMENT … 12 RUST PREVENTION - GENERAL … 13 1.7.6 PRESERVATION PRODUCTS … 15 1.7.7 PRESERVATION PRODUCTS … 16 1.7.8 1.7.9 PRESERVATION FOR AUSTENITIC STAINLESS STEEL … 17 1.7.10 PRESERVATION FOR DUPLEX STAINLESS STEEL … 17 1.7.11 PRESERVATION FOR FERRITIC STAINLESS STEEL … 17 1.7.12 PRESERVATION FOR ALUMINIUM, NICKEL, NICKEL ALLOY, AND NICKEL STEEL … 18 1.7.13 PRESERVATION FOR SILVER AND LEAD … 18 1.7.14 PRESERVATION FOR TITANIUM, ZIRCONIUM AND TANTALUM … 18 1.7.15 PRESERVATION FOR CARBON AND GRAPHITE MATERIALS … 18 1.7.16 PRESERVATION FOR PLASTIC AND RUBBER … 18 1.7.17 PRESERVATION FOR BRICK-LINED/REFRACTORY-LINED EQUIPMENT … 18

1.8 SITE PRESERVATION OF STEEL STRUCTURES (PRIMARY AND SECONDARY STEEL STRUCTURES, PIPING AND EQUIPMENT SUPPORTS, NON-ASSEMBLED TANK/ SILO/ STACK PLATES, EQUIPMENT INTERNALS) … 18

1.9

SITE PRESERVATION OF PIPING COMPONENTS … 19

1.9.1 1.9.2 1.9.3 1.9.4 1.9.5 1.9.6

1.9.7

PREFABRICATED PIPE SPOOLS … 20 FITTINGS … 20 FERRITIC AND AUSTENITIC STEEL LINES IN CLEAN CLASS SERVICE … 21 NON-METALLIC, RUBBER, INTERNALLY/ EXTERNALLY COATED PIPES … 21 HDPE (POLYETHYLENE) PIPING COMPONENTS … 22 PVC (POLYVINYL CHLORIDE) AND CPVC (CHLORINATED POLYVINYL CHLORIDE) PIPING COMPONENTS AND CONDUITS … 23 CEMENT MORTAR LINED PIPING COMPONENTS … 23

1.10

1.11

1.12

1.13

1.14

SITE PRESERVATION OF VALVES … 24

SITE PRESERVATION OF EQUIPMENT (STATIC, ROTATING, MACHINERIES)… 25

SITE PRESERVATION FOR PREFABRICATED MODULES (STRUCTURE + PIPE RACK) 25

SITE PRESERVATION OF SKID MOUNTED PACKAGE UNITS … 25

SITE PRESERVATION OF TRANSFORMERS … 26

This document is property of Tecnimont S.p.A. and cannot be used by others for any purpose, without prior written consent

SITE PRESERVATION GENERAL SPECIFICATION

REALISATION EN EPC D’INSTALLATIONS DE PRODUCTION DE LINEAR-ALKYL-BENZENE <> A SKIKDA ALGERIE

TCM IDENTIFICATION CODE

4439-FZ-SG-000000002

SHEET 3 / 32

ISSUE 4

1.15

1.16

1.17

1.18

1.19

SITE PRESERVATION OF ELECTRICAL MATERIAL: CABLES, CABLE TRAYS, JUNCTION BOXES, LIGHTING FIXTURES, POLES, ELECTRICAL FITTING, ETC … 26

SITE PRESERVATION OF STORAGE BATTERIES … 27

SITE PRESERVATION OF SWITCHGEARS, STARTERS, CONTROL EQUIPMENT … 27

SITE PRESERVATION OF INSTRUMENTATION, ELECTRONIC EQUIPMENT, CONTROL/ OPERATING DEVICES, INPUT SWITCHES, PANELS … 28

SITE PRESERVATION OF MISCELLANEOUS MATERIALS (PAINTING, CHEMICAL, INSULATION, REFRACTORY, WELDING) … 28

1.19.1 PAINTING AND CHEMICAL MATERIALS … 28 1.19.2 INSULATION MATERIALS … 29 1.19.3 REFRACTORY MATERIALS… 29 1.19.4 WELDING CONSUMABLES … 29

1.20

SITE PRESERVATION OF FIRE FIGHTING AND SAFETY EQUIPMENT (HYDRANT, MONITORS, SPRINKLERS, SAFETY SHOWERS, EXTINGUISHERS, CLEAN AGENT BOTTLES AND NOZZLES) … 30

1.21

PROCEDURE FOR NITROGEN PURGING AND PRESSURIZATION … 30

1.21.1 DRYING … 30 1.21.2 NITROGEN PURGING AND PRESSURIZATION … 30

1.22

SITE PRESERVATION DOSSIER TYPICAL INDEX … 32

APPENDICES:/

ATTACHMENTS:/

This document is property of Tecnimont S.p.A. and cannot be used by others for any purpose, without prior written consent

SITE PRESERVATION GENERAL SPECIFICATION

REALISATION EN EPC D’INSTALLATIONS DE PRODUCTION DE LINEAR-ALKYL-BENZENE <> A SKIKDA ALGERIE

TCM IDENTIFICATION CODE

4439-FZ-SG-000000002

SHEET 4 / 32

ISSUE 4

1. SITE PRESERVATION GENERAL SPECIFICATION - SUB-CONTRACTOR’S SECTION

1.1

PURPOSE

a. This specification provides general requirements for site preservation activities on project equipment and materials procured by CONTRACTOR and carried out by the SUB- CONTRACTORS with CONTRACTOR support. This specification shall be integrated by all possible site preservation tasks and activities described in the VENDOR preservation procedures and IOM (Installation, Operation, and Maintenance) manuals. The site preservation shall begin right after materials and equipment are received at site and shall continue during site storage, and during/ after installation up to mechanical completion (under responsibility of CONTRACTOR’S preservation team), and commissioning (under responsibility of CONTRACTOR’S commissioning team).

b. Site Preservation is the combined set of all preservation tasks, activities, and inspections done by the SUB-CONTRACTORS to monitor and extend the Vendor Preservation of the supplies during site storage, and to pursue the preservation when the items are out of their package, during installation, erection, pre-commissioning, mechanical construction (fabrication, assembly, completion), commissioning, start-up, and handover the OWNER. CONTRACTOR’S commissioning team shall supervise Site Preservation after mechanical completion.

to

c. Vendor Preservation and the presence of the package are the main guarantee for the preservation during site storage. Site Preservation plays a marginal role during this phase since its main function is to maintain effective and extend the Vendor Preservation. During and after installation, the package is removed, and Site Preservation takes on a leading role regarding preservation. In case of conflicting requirements between vendor/ site preservation and other project specifications, the most stringent requirement shall be used.

d. CONTRACTOR shall preserve all equipment and materials, including special tools, 2 years spares, and capital spares, as per approved project standards and VENDOR preservation procedures, until CONTRACTOR receives acceptance of commissioning. Preservation interval/ period/ recurrence and refurbishment date specified by the VENDOR shall be followed.

e. CONTRACTOR shall confirm the chemicals and physical compatibility of the preservation products with the process and/or the exhaustive elimination of these preservation products without residue for equipment/ facilities in sensitive services.

1.2

DEFINITIONS AND ABBREVIATIONS

AOS

BULK ITEM

BULK MATERIAL

CONTRACT

Arrival on Site.

An item having no distinctive tag number but is part of a tagged item or of a tagged family. Spare parts and special tools, if they are related to any tagged items or to multiple tagged items, will also be considered bulk items.

Non-tagged item material that is sold, ordered, purchased, and stored by weight, volume, quantities, or lots.

Realisation en EPC d’une Installation de PRODUCTION DE LINEAR- ALKYL-BENZENE – LAB – SKIKDA - ALGERIE.

CONTRACTOR

MAIRE Integrated E&C Solutions.

CORROSION RESISTANT ALLOY (CRA) Stainless Steel (SS), Duplex, Nickel Alloys, Titanium Alloys, and any other metal or alloy that do not easily rust on the surface.

This document is property of Tecnimont S.p.A. and cannot be used by others for any purpose, without prior written consent

SITE PRESERVATION GENERAL SPECIFICATION

REALISATION EN EPC D’INSTALLATIONS DE PRODUCTION DE LINEAR-ALKYL-BENZENE <> A SKIKDA ALGERIE

TCM IDENTIFICATION CODE

4439-FZ-SG-000000002

SHEET 5 / 32

ISSUE 4

DOCUMENTS/ DOCUMENTATION Any kind of softcopy or hardcopy file, used to share or transmit

information from one party to another.

EQUIPMENT

FERRITIC STEEL

GOODS

Static, Rotating, Machineries, Packages. Can be shop fabricated or site assembled.

Carbon Steel (CS), Low Temperature Carbon Steel (LTCS), Low Alloy Steel (P11, P22, P5, P91, etc.) that easily rust on the surface.

Any and all things, including but not limited to equipment and materials (including spare parts) required to be incorporated in the supply specifications.

INSPECTION

An activity to check that design, materials, fabrication, and testing comply with the requirements of the specification.

IOM

ITP

LICENSED UNITS

MPC

SMPC

Installation Operation Maintenance.

Inspection Test Plan.

The process units, designed and licensed by the LICENSOR to the OWNER for processing the feedstock and producing the blending components and/or to make the final or finished product grades.

Material Preservation Coordinator. CONTRACTOR’s home office preservation responsible.

Site Material Preservation Coordinator. CONTRACTOR’s site preservation responsible.

MAINTENANCE PRESERVATION Set of preservation tasks, activities and inspections done by the OWNER required to monitor and maintain the preservation of the items during operation/ service.

MANUFACTURER

MATERIAL

The party responsible for the manufacturing of a part or of the entirety of specified equipment.

Project material supplied for construction, pre-commissioning, and commissioning, including consumables and spare parts.

MAY/ CAN

Indicate action to be undertaken at the CONTRACTOR’s discretion.

MOTHBALLING PRESERVATION Set of preservation tasks, activities and inspections required to monitor and eventually maintain the preservation of items previously operated by the OWNER, during deactivation/ decommissioning for overhaul, revamping, or refurbishment, possible future use, or sale.

MPE

MR

MSDS

NCR

OSD

Material Preservation Engineer. CONTRACTOR’s home office preservation engineer.

Material Requisition.

Material Safety Data Sheet.

Non-Conformity Report.

Over Short and Damage report.

COMPANY/ OWNER

SONATRACH.

POD

PROJECT

Point of Delivery.

Realisation en EPC d’une Installation de PRODUCTION DE LINEAR- ALKYL-BENZENE – LAB – SKIKDA - ALGERIE.

PURCHASE ORDER (PO) The contract between the CONTRACTOR and the VENDOR for the

This document is property of Tecnimont S.p.A. and cannot be used by others for any purpose, without prior written consent

SITE PRESERVATION GENERAL SPECIFICATION

REALISATION EN EPC D’INSTALLATIONS DE PRODUCTION DE LINEAR-ALKYL-BENZENE <> A SKIKDA ALGERIE

TCM IDENTIFICATION CODE

4439-FZ-SG-000000002

SHEET 6 / 32

ISSUE 4

supply of goods and services.

SHALL AND MUST

Indicate mandatory requirements.

SHOULD

Indicate strong recommendation.

SITE PRESERVATION

SPARE PART

SPECIAL TOOL

SUB-CONTRACTOR

SUB-VENDOR

Combined set of preservation tasks, activities, and inspections done by the SUB-CONTRACTORS (under CONTRACTOR supervision), to monitor and extend the Vendor Preservation of the supplies during site storage, and to pursue the preservation when the items are out of their installation, package, during construction (fabrication, assembly, erection, pre-commissioning, commissioning, idle time if any, start-up, and handover to the COMPANY/ OWNER. Each vendor preservation procedure shall provide recommendations and suggestions for the Site Preservation, considering also what is suggested by the IOM manuals, in form of a site preservation card included in the procedure.

Item, component, sub-assembly, or assembly, identical to the part to be substituted/ replaced.

Tool specifically designed for the assembly, installation, erection, commissioning, operation, or maintenance, of the supplied part/ component.

The party which carries out all or part of the design, procurement, assembly, installation, erection, and testing of the systems as specified by the CONTRACTOR, or by a VENDOR.

Party contracted by a VENDOR to carry out project works or services on VENDOR behalf. A SUB-VENDOR may appoint further SUB-VENDORS for the supply of equipment, materials, or services.

TAGGED ITEM

An Item having distinctive tag number.

TDS

TPIA

VCI

Technical Data Sheet.

Third Party Agency.

Vapor Corrosion Inhibitor.

VENDOR PRESERVATION Combined set of all preservation tasks and activities done by the VENDORS (and by the SUB-VENDORS) on their supplies, to face transportation at site (shipping) and site storage. The Vendor Preservation begins right after the end of the manufacturing process at the VENDOR’s workshop and is completed prior to delivery or upon delivery at site. The Vendor Preservation is described in the VENDOR preservation procedures.

VENDOR/ SUPPLIER

The party responsible for the supply of goods or services associated with the CONTRACTOR’s purchase order/ contract.

VpCI

VSI

Vapor Phase Corrosion Inhibitors.

Vapor Space Inhibitor.

1.3

REFERENCE DOCUMENTS

• Vendor Preservation General Specification.

This document is property of Tecnimont S.p.A. and cannot be used by others for any purpose, without prior written consent

SITE PRESERVATION GENERAL SPECIFICATION

REALISATION EN EPC D’INSTALLATIONS DE PRODUCTION DE LINEAR-ALKYL-BENZENE <> A SKIKDA ALGERIE

TCM IDENTIFICATION CODE

4439-FZ-SG-000000002

SHEET 7 / 32

ISSUE 4

1.4

SITE PRESERVATION MANAGEMENT

a. As general rule, the VENDOR package and preservation shall not be opened or altered during site

storage up to installation, unless specific inspections and preservation tasks are required.

b. Any additional preservation tasks and activities specified by the VENDOR, shall be placed in the

system, and duly performed.

c. CONTRACTOR and COMPANY shall receive from the VENDORS detailed storage and

preservation recommendations prior shipment of equipment and materials to site.

d. Equipment and materials arriving at site without VENDOR storage and preservation procedures

shall be temporary quarantined by CONTRACTOR.

e. All tagged items and equipment shall be preloaded into CONTRACTOR’s preservation system MaterPAD before or as soon as they arrive onsite. CONTRACTOR shall ensure that VENDOR instructions are performed and recorded. VENDOR preservation shall be monitored, maintained, and renewed. Preservation starts and limit dates shall be also present in the records.

f. After equipment and material arrival at site, receiving inspection shall be done in accordance with the applicable procedures and specification. Inspection records shall be maintained. Any non- conformity shall be immediately opened by the CONTRACTOR QC manager.

g. CONTRACTOR shall prepare site preservation cards with tasks, activities, and their recurrence.

h. CONTRACTOR AND SUB-CONTRACTORS shall organize the site preservation for equipment and materials during site storage. CONTRACTOR shall release equipment and materials to SUB- CONTRACTORS only with the approved VENDOR preservation procedure.

i. CONTRACTOR shall ensure SUB-CONTRACTORS carries out and maintains all equipment and materials preservation records. CONTRACTOR retains responsibility of ensuring SUB- CONTRACTORS implement VENDOR procedures and shall periodically assess and audit compliance together with the OWNER.

j. Handling and installation activities during construction may reduce the original VENDOR preservation effectiveness. CONTRACTOR shall ensure that site preservation is continuously carried out, and relevant tasks and activities are implemented during construction up to commissioning.

k. CONTRACTOR shall create a site preservation team with SUB-CONTRACTORS to perform preservation tasks and activities at the laydown areas, site storage areas, quarantine zones, warehouses, and site construction areas.

l. CONTRACTOR shall ensure that VENDORS ships any special tools necessary to perform specific

preservation activities at site.

1.5

SUBCONTRACTORS’ RESPONSIBILITIES

a. The SUB-CONTRACTORS shall perform all the necessary site preservation tasks, activities, and inspections to protect the supplies procured by the CONTRACTOR from damage, corrosion, and deterioration. Site Preservation shall begin right after the CONTRACTOR hands over the supplies to the SUB-CONTRACTORS at site or at the SUB-CONTRACTORS’ workshop and shall continue up to commissioning, minimizing disassembly requests.

This document is property of Tecnimont S.p.A. and cannot be used by others for any purpose, without prior written consent

SITE PRESERVATION GENERAL SPECIFICATION

REALISATION EN EPC D’INSTALLATIONS DE PRODUCTION DE LINEAR-ALKYL-BENZENE <> A SKIKDA ALGERIE

TCM IDENTIFICATION CODE

4439-FZ-SG-000000002

SHEET 8 / 32

ISSUE 4

b. The SUB-CONTRACTORS shall make sure that the site storage classes assigned to the supplies, according to the VENDOR preservation procedures, be the same of what is written on the packing lists and on the package markings. Site storage classes should always concur but, in case of disagreement, the VENDOR preservation procedure shall prevail. When equipment is placed into storage, the SUB-CONTRACTORS shall ensure that all relevant package identification and markings are clearly visible.

c. Recommended Site Storage Classes: A. Outdoor Unsheltered. B. Outdoor Sheltered. Storage under protective roof. Weatherproof covers such as plastic

layers, tarpaulins, package lids, wrappings, etc., shall not be considered shelters.

C. Indoor Non-Conditioned. Storage in warehouse. D. Indoor Heated Area. Storage in warehouse with temperature above a minimum specific

value.

E. Indoor Conditioned. Storage in warehouse with temperature and humidity control.

d. The SUB-CONTRACTORS shall provide for the necessary site preservation personnel and the necessary site preservation tasks (including eventual de-preservation and re-preservation tasks), inspections and preservation consumables/ materials (including cleaning materials) required, recommended, or suggested:

1. During Site Storage at the laydown area, storage yard, warehouses, etc.
2. During Construction across fabrication, assembly, installation, and erection activities,

considering also un-packaging, handling, PWHT, NDE, pressure tests.

3. During Pre-Commissioning up to Mechanical Completion considering cleaning, flushing,

and functional tests.

4. During Commissioning up

to Start-Up

(under

responsibility of CONTRACTOR

commissioning team).

Providing details for: numbers, frequencies, quantities, tools, and consumables (i.e., clothes, cottons, solvents, cleaners, cleaning paper, wrapping materials, brushes, dispensers, sprayers etc.) to be used. Several brands of preservation and cleaning products are available and acceptable, providing their conformity to the performance requirements in accordance with the most renowned international standards.

e. For each tagged item, equipment, bulk item, and bulk material specified in the material requisitions/ purchase orders, the SUB-CONTRACTORS shall review and help the CONTRACTOR customizing the Site Preservation using the CONTRACTOR’s preservation system MaterPAD.

f. The SUB-CONTRACTORS shall review and help customizing the site preservation cards prepared by the CONTRACTOR, which provide evidence and traceability of preservation tasks and inspections, and shall also prepare, for the tagged items, preservation tags dedicated to important specific preservation tasks.

g. The SUB-CONTRACTORS shall timely manage all preservation alarm note reports and preservation non-conformity reports issued or received, shall record them in proper registers sorted per typology, and shall mention them in the bi-weekly reports.

h. The SUB-CONTRACTORS shall timely prepare and transmit to the CONTRACTOR a bi-weekly report and share with the CONTRACTOR any issue related to Vendor/ Site Preservation for the supplies received.

i. The SUB-CONTRACTORS shall orderly prepare the site preservation dossier collecting all site

preservation documents and shall transmit them to CONTRACTOR.

This document is property of Tecnimont S.p.A. and cannot be used by others for any purpose, without prior written consent

SITE PRESERVATION GENERAL SPECIFICATION

REALISATION EN EPC D’INSTALLATIONS DE PRODUCTION DE LINEAR-ALKYL-BENZENE <> A SKIKDA ALGERIE

TCM IDENTIFICATION CODE

4439-FZ-SG-000000002

SHEET 9 / 32

ISSUE 4

j.

In case of conflicting requirements between this and other project specifications, the SUB- CONTRACTORS shall ask the CONTRACTOR for clarification, before presuming and proceeding ahead.

k. The SUB-CONTRACTORS shall advise of any conflicts between project specifications and preservation/ storage requirements, for the equipment warranty. Equipment shall be stored and preserved as to not violate the equipment warranty.

l. The SUB-CONTRACTORS shall advise the CONTRACTOR if alternative methods/ means of preservation are more convenient/ reliable or better suited for the intended application. Such recommendations shall be subject to the approval of the OWNER, CONTRACTOR, and VENDOR in the case of potential warranty issues.

m. The SUB-CONTRACTORS may submit to the CONTRACTOR the site preservation procedures previously used or recommended by his organization for the present or similar projects, to be compared and eventually implemented after written agreement with the CONTRACTOR.

n. The Site Preservation shall be done by the SUB-CONTRACTORS on all supplies, also considering

the vendor preservation procedures approved by the CONTRACTOR.

o. What is specified and detailed in the VENDORS and SUB-VENDORS Installation Operation, and Maintenance (IOM) manuals related to preservation shall always be considered, as well as the most renowned international recommended practices.

p. The SUB-CONTRACTORS site preservation personnel shall be provided by the SUB- CONTRACTORS with all necessary safety PPE, and shall be able to manage daily opening, closing, and extending of work permits.

q. The CONTRACTOR’s Site Preservation General Specification provides minimum recommended requirements. If the VENDOR’s Preservation Procedure mandate stricter tasks, these shall be followed.

1.6

SITE PRESERVATION GENERAL REQUIREMENTS

a. The storage areas (laydown areas, storage yards, warehouses, etc.) shall be well compacted, graded, and drained, to avoid any water accumulation (water pools, ponds, seepages, etc.). Major surface runoff, ground subsidence and flooding events shall be prevented as much as possible. Weather forecast to be followed-up and considered. Emergency plan shall be established in case heavy rains are foreseen.

b. The supplies, no matter if they are stored in boxes, cases, crates, pallets, containers, bundles, unit loads, or as single items, shall always be kept well raised up off the ground, enough to avoid contact with water, mud, salty sand, and ice. Proper supporting material shall be always provided if it is not already built-in the package.

c. Heavy items, equipment and packages shall be stored on proper bearers, dunnage, or foundation, to ensure they do not sink over a long period of time. Enough room for handling of supplies shall be left in between. Painted (permanently coated), galvanized, passivated, or temporary coated structures, piping components, spools, and equipment shall be maintained as far as possible free from defects (such as runs, scratches, exposed metal surface, rust, etc.) during transportation, site storage and during/ after installation. Wood blocks, battens, pads, mats, saddles, bearers, sleepers, rubber sheets, spacers, proper handling equipment, etc. shall be used.

This document is property of Tecnimont S.p.A. and cannot be used by others for any purpose, without prior written consent

SITE PRESERVATION GENERAL SPECIFICATION

REALISATION EN EPC D’INSTALLATIONS DE PRODUCTION DE LINEAR-ALKYL-BENZENE <> A SKIKDA ALGERIE

TCM IDENTIFICATION CODE

4439-FZ-SG-000000002

SHEET 10 / 32

ISSUE 4

d. Non draining water pockets/ caches over the supplies shall be always avoided and prevented, especially those over the cover sheets. Natural draining and rainwater flow shall be facilitated by placing joists under the cover sheets, by changing the storage position such as storing slightly inclined, storing upside down, or on the side.

e. Each package stored outdoor unsheltered shall be always covered by cover sheets (good quality tarpaulins or strong polyethylene plastic sheets). Damaged cover sheets shall be replaced. They shall be waterproof, durable to the wind and sun. They shall be tightly stapled in multiple points around the sides (not on the top), undamaged (no cuts, piercings, pinholes, and abrasions), and shall cover the top and skirt about 1/3 of the sides (2/3 for crates). Covers sheet edges and flaps shall not stick out, to avoid their damage during handling, lifting, and loading. Stacking shall be always done with care and without rubbing with the under beams of the package or with the forks. The supply of spare cover sheets shall be available.

f. Sensitive parts, components, and appurtenances of equipment and machineries during/ after

outdoor unsheltered installation shall be protected by cover sheets.

g. To prevent as much as possible water, dirt, dust, sand, and any kind of contaminants from making their way into parts, components, and appurtenances of equipment and machineries without protective package for the outdoor storage, or during/ after installation, it is important to check that each opening be properly blinded, covered, plugged, capped, or wrapped. Spare heavy-duty polyethylene industrial wrapping and duct tape shall be available. Press-fit, push-on caps/ plugs should be used. Tied-up or glued caps/ plugs are generally not acceptable. Loose caps/ plugs shall be secured with anti-corrosion weatherproof tape.

h. Material of different metallurgy shall be always stored separately (non in close contact or in condition to contaminate each other). They can be maintained in the same package but must be properly isolated. This is true especially for ferritic steel, austenitic steel, nickel alloys, and titanium alloys, which must be protected as long as possible from contaminants (including iron powder and iron oxide powder), using PE plastic wrappings, films, membranes, bags, or performing frequent cleanings.

i. Eventual tropicalized supplies (with Vendor Preservation tailored for tropical weather, designed to counter micro-organisms growth and high humidity) shall be properly preserved and not disrupted during site storage or during/ after installation.

j. Any wildlife damage, nesting, or buildup of organic materials from animals such as snakes, birds, rats, and various insects shall be inspected, fixed, and reported. In case permanent damage is assessed, proper remedial actions shall be taken, according to the manufacturer’s instructions.

k. Spares parts (including capital spares) and special tools shall be stored indoor non-conditioned or indoor conditioned (according to the type) in a separate area and shall be properly preserved.

l.

If nitrogen is used for the preservation of the supplies during site storage or during/ after installation, some well visible markings, warning tags or labels shall be provided on the package or on the equipment: “DANGER – VESSEL FILLED WITH NITROGEN UNDER PRESSURE – ASPHYXIATION HAZARD”. A robust system of labels shall be used (such as tie-on labels). Stick- on labels may be used if they can stand in good conditions for 24 months. Hazards management shall be part of all these activities since nitrogen asphyxia hazards is notoriously high. All the people, even the ones not directly involved in preservation activities shall be sensitive to the nitrogen asphyxia hazard. Specific HSE trainee shall be carried out to enable all the people to be aware of such hazard.

This document is property of Tecnimont S.p.A. and cannot be used by others for any purpose, without prior written consent

SITE PRESERVATION GENERAL SPECIFICATION

REALISATION EN EPC D’INSTALLATIONS DE PRODUCTION DE LINEAR-ALKYL-BENZENE <> A SKIKDA ALGERIE

TCM IDENTIFICATION CODE

4439-FZ-SG-000000002

SHEET 11 / 32

ISSUE 4

m. If desiccants or VCI products are used for the preservation of the supplies (or specific parts and components) during site storage or during/ after installation, they need to be removed before commissioning, and a warning tag/ label/ wording stating as an example: “Caution – Desiccants/ VCI products to be removed before commissioning” shall be present on the package or on the equipment, and their types, quantities and positions shall be specified. The CONTRACTOR shall be sure that eventual desiccants or VCI products left will not affect the process or shall remove it before start-up.

n. If barrier bags, sealed bags, or vacuum bags are used for the preservation of the supplies (or specific parts and components) during site storage, their air tightness shall be checked. To do that, the package shall be opened the strict minimum, or a spectacle window shall be cut on one side of the package. In case integrity of barrier bag is lost, the desiccants inside shall be replaced and the bag re-sealed. The supply of spare barrier bags shall be available.

o. If temporary rust preventive coatings are used for the preservation of the supplies (or specific parts and components) during site storage or during/ after installation, which need to be removed before commissioning, a warning tag/ label/ wording stating as an example: “Caution - Temporary coating to be removed before commissioning” shall be present on the package or on the equipment. The application of a temporary rust preventive coating shall be approved by CONTRACTOR. If not approved, the removal shall be back charged. Temporary rust preventives such as coatings, oils, and greases (or other chemicals and hydrocarbons) shall be always specifically defined for sensitive process equipment and facilities since incompatibilities might occur.

p. Internal and external surfaces shall be clean (no dirt, dust, sand, rust, oils, scales, slags, etc.) and dry, before any layer of temporary or permanent coating is applied during site preservation activities, touch-up, or final coating. Proper mineral standard solvents without aromatic compounds (no kerosene, gasoline, benzene, toluene, etc.) in the chemical composition should be used. Or alkaline cleaners. Paraffinic refined distillates such as mineral spirit or white spirit, aliphatic petroleum naphtha, are appropriate.

q. If hydro-test is foreseen during/ after installation, the approved use of a biodegradable VCI additive to dilute in the hydro test water, such as the Cortec VpCI-609 powder or the Cortec VpCI-641 liquid (or equivalent), is always recommended. The treated water can be re-used multiple times, provided it does not become contaminated, and the line or equipment does not need to be dried later, just drained, and closed. Further instructions and limitations relevant to hydro-test water quality to not damage tested equipment and facilities are in the approved project quality specifications, as well as those relevant to wastewater disposal are in the approved project HSE specifications.

r. Proper clearance and access shall be always maintained between the equipment, to avoid any

physical damage when handling, lifting, shifting, and moving other equipment or material.

s. Proper care shall be taken to protect gauges and other non-metallic parts and avoid damages.

t. The bearing housing of rotating equipment and machineries shall be filled with preservation oil if not already filled by the VENDOR, or with operation lube oil as per lubricant list if preservation oil is not available. The shaft shall be rotated the specified turns, with the proper direction, and with the frequency specified by the supplier.

u. Any oil leakage or seal leakage shall be checked weekly, or as specified by the VENDOR. They shall be reported and/or fixed as per VENDOR’s requirement/ instructions and as per the approved waste management, soil pollution prevention, and remediation project HSE specifications.

This document is property of Tecnimont S.p.A. and cannot be used by others for any purpose, without prior written consent

SITE PRESERVATION GENERAL SPECIFICATION

REALISATION EN EPC D’INSTALLATIONS DE PRODUCTION DE LINEAR-ALKYL-BENZENE <> A SKIKDA ALGERIE

TCM IDENTIFICATION CODE

4439-FZ-SG-000000002

SHEET 12 / 32

ISSUE 4

v. All surfaces exposed to welding and grinding splatter, especially scaffolding wood floors, shall be protected with aluminum sheeted glass fiber cloths or similar fire-resistant material. General clean up routine and good housekeeping is a prerequisite for successful execution of preservation.

w. All ball valves shall be locked in open position. All exposed valves spindles shall be covered by

grease tape.

1.7

SITE MATERIAL PRESERVATION

1.7.1 General

a. Preservation shall be developed and implemented considering conditions causing incipient failure.

b. Before preservation is applied, material shall be cleaned according to VENDOR recommendations.

1.7.2 General - Influence of climate and cyclic operations

a. Climatic conditions can cause failure of idle equipment: such conditions shall be analysed before

preservation system is decided.

1.7.3 General - Influence of climate and cyclic operations

a. Corrosion rate is higher in presence of high humidity and contaminants. Salt deposited by sea sprays, wind, and rain in coastal areas is a corrosive contaminant. High salt concentrations will collect in crevices and under insulation if the external cover, wrapping, sheeting, or package is not watertight.

b. Severe corrosion can be expected, particularly in plants where the maximum operating temperature of the plant did not permit the application of an effective paint coating. This situation will be aggravated where such plant is in intermittent operation. In such cases, additional inspection will be required to determine the degradation rate particularly if the equipment or piping is insulated.

c.

If “cold” insulation (i.e., insulation for cryogenic systems which operate below 0 °C) absorbs moisture during the period standing idle, it can be damaged upon commissioning when the plant is cooled down.

d. Similar problems may arise with valves in cryogenic service. Should moisture become trapped in the crevices between the spindle and valve body during the idle period, then the water will freeze when the plant is subsequently cooled down, and the valve may become inoperable.

1.7.4 General - Marine environment, salt, and chlorides

a. In areas where sand or dust storms may occur, special precautions are needed to prevent fine

particles entering the equipment or crevices in the equipment.

b. All nozzles shall be closed or plugged. Appropriate interval for checking of proper sealing will be determined according to environmental conditions. Equipment shall be covered by tarpaulins tightly tie down. Do not lay the tarpaulins directly on the equipment, thus leaving a space for ventilation.

1.7.5 General - Idle rotating equipment

a. Slender horizontal rotor shafts when not rotated could be subjected to bending deformation. Such

deformation, even if very small, will cause damage during operation.

This document is property of Tecnimont S.p.A. and cannot be used by others for any purpose, without prior written consent

SITE PRESERVATION GENERAL SPECIFICATION

REALISATION EN EPC D’INSTALLATIONS DE PRODUCTION DE LINEAR-ALKYL-BENZENE <> A SKIKDA ALGERIE

TCM IDENTIFICATION CODE

4439-FZ-SG-000000002

SHEET 13 / 32

ISSUE 4

b. Bearings and bearing housings when not rotated could be damaged by high pressure contact over

a long period of time between two surfaces in local contact.

1.7.6 Rust Prevention - General

a. Internal and external surfaces shall be clean (no dirt, dust, sand, rust, oils, scales, slags, etc.) and dry, before any rust preventive is applied. Proper mineral standard solvents without aromatic compounds (no kerosene, gasoline, benzene, toluene, etc.) in the chemical composition should be used. Or alkaline cleaners. Paraffinic refined distillates such as mineral spirit or white spirit, aliphatic petroleum naphtha, are appropriate.

b. Rusted surfaces shall be cleaned by steel brushes (CS brushes for ferritic steel and SS brushes for austenitic steel) or by thick knotted wire cup brushes for angle grinders and treated by a temporary rust preventive.

c. Ferritic steels generally start rusting in air when relative humidity is higher than 60%. High relative humidity, heat, water (rainwater, fog, moisture, or humidity condensation), salt (and other contaminants) increases the severity of exposure, the rust progression, and the protection required. The presence of the package or a protective wrapping can slower but not prevent humidity condensation on parts and components. The protection required also depends on the site storage class. The same rust preventive will be generally much more effective indoor than outdoor, or in dry conditions than wet conditions, etc.

d. If a surface has been exposed to salt spray or salt bearing winds, or to a chemically polluted atmosphere, it must be washed thoroughly with clean fresh water and allowed to dry before application of rust preventives.

e. Rust grades according to the standard ISO 8501-1.

Rust Grade A: Steel surface covered completely with adherent mill scale and with little if any rust.

This document is property of Tecnimont S.p.A. and cannot be used by others for any purpose, without prior written consent

SITE PRESERVATION GENERAL SPECIFICATION

REALISATION EN EPC D’INSTALLATIONS DE PRODUCTION DE LINEAR-ALKYL-BENZENE <> A SKIKDA ALGERIE

TCM IDENTIFICATION CODE

4439-FZ-SG-000000002

SHEET 14 / 32

ISSUE 4

Rust Grade B: Steel surface which has begun to rust and from which the mill scale has begun to flake.

Rust Grade C: Steel surface on which the mill scale has rusted away or from which it can be scraped, but with little pitting visible to the naked eye.

This document is property of Tecnimont S.p.A. and cannot be used by others for any purpose, without prior written consent

SITE PRESERVATION GENERAL SPECIFICATION

REALISATION EN EPC D’INSTALLATIONS DE PRODUCTION DE LINEAR-ALKYL-BENZENE <> A SKIKDA ALGERIE

TCM IDENTIFICATION CODE

4439-FZ-SG-000000002

SHEET 15 / 32

ISSUE 4

Rust Grade D: Steel surface on which the mill scale has rusted away and on which considerable pitting is visible to the naked eye.

1.7.7 Preservation Products

a. The use of preservation products such as fluids and oils, vapor-phase corrosion inhibitors and certain grades of greases are recommended, wherever possible, for the preservation of equipment standing idle. Preservation products shall not contain chlorides. Preservation products belong mainly to the following types:

1. Temporary rust preventive oils. Used for internal surfaces protected by casings or housings (gears, bearings, shafts, levers, cylinders, plungers, etc.). They have some lubricant properties, are usually compatible with conventional operation/ service oil lubricants, and can be applied by brushing, filling, or spraying. After initial application, they must be checked for contamination and renewed, if necessary. Shall be drained and flushed before operation.

2. Temporary rust preventive varnishes. Used for bare metal surfaces. They cure in a waxy or firm layer and have no lubricant properties. Remotion before assembly or operation can be necessary in some cases. They are usually divided in: A) Hard/ firm layer for external parts during long-term outdoor storage (structures, pipes, fittings, valves, etc.). Shall be periodically checked and eventually renewed. Should be removable by standard solvents. B) Soft/ waxy layer for external or internal parts (valve rods, shaft ends, couplings, flange faces, fittings, etc.). Shall be periodically checked and eventually renewed. Should be removable by standard solvents.

3. Temporary rust preventive greases. Used for internal surfaces protected by casings or housings (gears, bearings, shafts, push rods, etc.), or for external surfaces (fasteners, threaded parts, flange faces, etc.). Proper amount and uniform distribution are essential. Protective oiled paper wrapping is often necessary after application, and grease/ paper compatibility must be checked before.

4. Vapor phase corrosion inhibitors (VCI, or VPCI, or VPI, or VSI). Useful for the internal protection of turbines, compressors, hydraulic systems, bearing housings, engines, heat

This document is property of Tecnimont S.p.A. and cannot be used by others for any purpose, without prior written consent

SITE PRESERVATION GENERAL SPECIFICATION

REALISATION EN EPC D’INSTALLATIONS DE PRODUCTION DE LINEAR-ALKYL-BENZENE <> A SKIKDA ALGERIE

TCM IDENTIFICATION CODE

4439-FZ-SG-000000002

SHEET 16 / 32

ISSUE 4

exchangers, pipes, vessels, etc. Air-tight sealing is not necessary, only enclosed conditions. Under adverse conditions (e.g. high humidity, fluctuating temperatures, and corrosive environment) the protection is reduced, and more frequent inspections are necessary. Low temperature will reduce the vapor production rate. They can be divided into two types: A) VCI powders and emitters which slowly sublimate into enclosed spaces or inside packages. Direct contact of powder with non-ferrous metals and painted surfaces should be avoided (always refer to producer datasheet). B) VCI oil concentrate which can be used alone or added to operation/ service lubricant oil. The oil evaporation guarantees protection to all enclosed surfaces and recessed places above the oil level. That’s why they are called vapor space inhibitor (VSI) oils.

5. Desiccants such as silica gel pouches or bentonite clay bags. To be used into closed and

sealed spaces. Desiccants are usually periodically renewed.

b. Some rust preventive compounds are toxic if inhaled. Applicators shall follow HSE handling and use/ handling procedures and regulations. Each preservation product shall come with relevant MSDS (Material Safety Data Sheet).

1.7.8 Preservation Products

a. External Protection:

1. Cocooning. The equipment is enveloped in a single plastic coating. The coating is directly applied to the equipment by spraying onto a special paper or net wrapping. Before cocooning, the equipment shall be clean and dry. Cocooning shall be conformed to the VENDOR/ Manufacturer’s recommendations. Cocooning is more effective if filled by nitrogen (small overpressure).

2. Painting or permanent coating. For the protection of external and internal surfaces. Routine checks and touch-up shall be carried out to prevent corrosion caused by painting damages or stripping.

3. Package rainproof covers, package internal waterproof liners.

4. PE or VCI plastic wrappings/ bags/ films.

5. Barrier bags, sealed bags, vacuum bags. The combination of sealed airtight barrier bags with desiccants inside is widely used and offers the best protection from water, dirt, dust, sand, contaminants, and humidity condensation. Only weldable and high-quality double layer (polyethylene and aluminium) barrier bags shall be used. Before sealing a barrier bag, the exceeding air should be always squeezed out as much as possible. A slight vacuum (just about 6mbar) is the best practical way to do that, and at the same time, provides tightness test for the bag. Barrier Bags shall be re-sealed with a suitable crimper hand sealer tool. If it is not possible to put at least 1/2” of bag material together to make a heat seal, aluminium foil tape shall be used.

6. VCI papers.

7. Temporary coatings. To be applied on bare metal (such as machined) surfaces after cleaning

and drying.

b. Internal Protection:

1. Oil coating of the interior of stationary equipment. It may be carried out by spraying to form a protective film on the internal surface or, if the supporting structure is strong enough, by filling followed by draining.

This document is property of Tecnimont S.p.A. and cannot be used by others for any purpose, without prior written consent

SITE PRESERVATION GENERAL SPECIFICATION

REALISATION EN EPC D’INSTALLATIONS DE PRODUCTION DE LINEAR-ALKYL-BENZENE <> A SKIKDA ALGERIE

TCM IDENTIFICATION CODE

4439-FZ-SG-000000002

SHEET 17 / 32

ISSUE 4

2. Oil filling of the interior of stationary equipment. Very effective but strength of supporting structure is often the major limitation. Thermal expansion of filling oil shall be considered, and proper nitrogen volume left inside.

3. Dry nitrogen filling (blanketing). Hermetically (airtight) sealed equipment can be protected by drying followed by dry nitrogen purging, filling, and pressurization. Nitrogen pressure can be very slight but still effective.

4. VCI powders. Internal cavities of equipment, engines, bearing housings, turbines, heat exchangers, pipes, drums, small tanks, etc. can be properly protected. No water pockets or moisture are allowed before application. Air-tight sealing is not necessary but the equipment or the part must be closed.

5. Desiccants such as silica gel pouches or bentonite clay bags. They can maintain relative humidity below 30% and are calculated for the packaged volume and for 12 months lifetime. The minimal quantity to be considered is 1 Kg for each cubic meter (or 1oz per cubic feet) of volume (0.5 Kg for each cubic meter or 0.5oz per cubic feet for static equipment hermetically sealed). After 12 months they shall be checked and eventually replaced. If bentonite clay comes out from their bags, it may cause corrosion to different metals or other damage. For this reason, the bags shall be always checked for damage before placing, and to avoid direct contact with the surface, a couple of layers of plastic sheets shall be used as separator. Desiccants shall be removed before commissioning.

6. Electric heating. The following methods can be considered: A) Fan heaters: for space heating, e.g. in sub-stations, control rooms, etc. B) Warm air (strip heating, electric trace heating or lamp bulbs), for equipment which is cocooned or otherwise enclosed. C) Anti-condensation heaters for electrical equipment.

1.7.9 Preservation for Austenitic Stainless Steel

a. Austenitic stainless-steel equipment and piping components shall be always clean and dry inside and outside, since deposits, water, or oil pockets can lead to serious corrosion. Water containing chlorides can cause pitting corrosion during storage or stress corrosion cracking in operation. Testing, flushing, and condensate water containing specific biological organism can cause microbiological induced corrosion.

b. Austenitic stainless-steel equipment shall be dried and filled with dry nitrogen after hydrotest,

maintaining a slight positive internal pressure.

c. Austenitic stainless-steel equipment and material shall be always separated from ferritic steel equipment and material (including CS brushes) to reduces the risk of iron powder and iron oxide powder contamination. Iron particles can embed into the stainless-steel surface and damage the chromium oxide layer thus producing pitting corrosion. Only specific cleaners shall be used.

1.7.10 Preservation for Duplex Stainless Steel

a. Austenitic stainless-steel chapter shall apply.

1.7.11 Preservation for Ferritic Stainless Steel

a. Ferritic stainless-steel equipment shall be always clean, dry, and protected from any kind of contamination by PE plastic wrapping or closed package. If pitting corrosion is a possibility, austenitic stainless-steel chapter shall apply.

This document is property of Tecnimont S.p.A. and cannot be used by others for any purpose, without prior written consent

SITE PRESERVATION GENERAL SPECIFICATION

REALISATION EN EPC D’INSTALLATIONS DE PRODUCTION DE LINEAR-ALKYL-BENZENE <> A SKIKDA ALGERIE

TCM IDENTIFICATION CODE

4439-FZ-SG-000000002

SHEET 18 / 32

ISSUE 4

1.7.12 Preservation for Aluminium, Nickel, Nickel Alloy, and Nickel Steel

a. Aluminum equipment shall be always clean and dry.

b. Nickel, nickel alloy and nickel steel equipment shall be always clean and dry. If pitting corrosion is

a possibility, austenitic stainless-steel chapter shall apply.

1.7.13 Preservation for Silver and Lead

a. Parts made of these materials shall stay clean (only by rinsing with fresh water without cleaners) taking care of not removing the protective soft oxide layer. Mechanical protections against mechanical damages shall be applied.

1.7.14 Preservation for Titanium, Zirconium and Tantalum

a. Parts or equipment made of these materials shall stay clean and protected against mechanical

damage.

1.7.15 Preservation for Carbon and Graphite Materials

a. They shall stay clean and protected against mechanical damage without disassembly.

1.7.16 Preservation for Plastic and Rubber

a. Direct sunlight, heat and weathering can cause deterioration of many plastic and rubber materials.

They shall be stored in shaded conditions.

b. Rubber-lined equipment can also be affected by direct sunlight, heat, and weathering. They shall

be also shaded, allowing free circulation of air around the equipment.

c. Plastic and rubber materials shall be kept away from fire sources and fire-fighting safety measures

shall be strictly applied at storage area.

d. Moisture and cyclic condensation of humidity shall be avoided and prevented.

e. Mechanical damages shall be avoided and prevented by suitable protections.

1.7.17 Preservation for Brick-Lined/Refractory-Lined Equipment

a. Pre-stressed brick lining should be kept above 0°C to avoid excessive stresses in the lining.

b. All stacks and refractory-lined equipment shall be protected against water ingress and, in tropical

areas, condensation of water vapor.

c. Refractory lined equipment (heaters, boilers, ducts, etc.) not dried-out in a short month’s term after application should have the refractory layer treated by a special barrier coating to prevent alkali hydrolysis effect.

1.8

SITE PRESERVATION OF STEEL STRUCTURES (PRIMARY AND SECONDARY STEEL STRUCTURES, PIPING AND EQUIPMENT SUPPORTS, NON-ASSEMBLED TANK/ SILO/ STACK PLATES, EQUIPMENT INTERNALS)

a. Steel structures shall be stored outdoor, no matter if they are loose, on a pallet, or in their original packages. Storage areas shall be located as far as possible from the sea and from contaminated

This document is property of Tecnimont S.p.A. and cannot be used by others for any purpose, without prior written consent

SITE PRESERVATION GENERAL SPECIFICATION

REALISATION EN EPC D’INSTALLATIONS DE PRODUCTION DE LINEAR-ALKYL-BENZENE <> A SKIKDA ALGERIE

TCM IDENTIFICATION CODE

4439-FZ-SG-000000002

SHEET 19 / 32

ISSUE 4

areas. Rainproof and windproof covers shall be provided where required, especially when packages are open during installation.

b. Proper access and passageways for cranes and handling equipment shall be considered in

advance before laying steel structures for storage.

c. Loose steel structures shall be laid on wooden beams and well raised up off the ground enough to avoid contact with water, mud, and salty sand. Plates shall be stores horizontally but slightly inclined to facilitate draining. Proper supports shall be placed every two or three meters to prevent plates bending, deformation, and distortion, especially to formed plates.

d. Painted (permanent coated) and galvanized steel structures shall be handled with care and proper

protections used to avoid removing the protective layer.

e. According to the standard ISO 8501-1, if rust grade B appears on steel plates during site storage, or during/ after installation, it will be subject to Company approval, case by case. Monitoring shall begin and any rust grade C areas shall be cleaned by steel brushes, knotted wire cup brushes for angle grinders, grinding disks, or sand blasting, and treated by a temporary rust preventive varnish. The acceptance will be subject to Company approval, and in case, due to corrosion, steel plate thickness will be lower than the min thickness, repairs will not be accepted (so new plates shall be provided).

f. Steel structures of different metallurgy shall be always stored separately (non in close contact or in condition to contaminate each other). They can be maintained in the same package but must be properly isolated.

g. General or localized corrosion, especially pitting corrosion on austenitic steels, shall be periodically

checked and monitored. Proper recurrence shall be evaluated.

h. As soon as possible after installation, PWHT, and NDT, each grinded, welded, or machined areas on the surfaces of steel structures in ferritic steel should be cleaned and protected by proper rust preventive. Austenitic steel surfaces shall be cleaned from contaminants and passivated. Natural passivation usually takes from 24 to 48 hours.

1.9

SITE PRESERVATION OF PIPING COMPONENTS

a. Piping components shall be stored outdoor, no matter if they are loose, on a pallet, or in their original packages. Rainproof and windproof covers shall be provided where required, especially when packages are open during installation.

b. Loose pipes shall be laid on wooden beams and well raised up off the ground. They shall be stored slightly inclined to facilitate draining. Loose pipes shall be ‘chocked’ at ends to prevent movement and stacked no more than 1.2 meters (also considering diameter and thickness to avoid damages).

c. Painted (permanent coated) and galvanized piping components shall be handled with care and

proper protections used to avoid removing the protective layer.

d. If water, dirt, dust, sand, or contaminants are inside the piping components, they shall be properly

flushed, cleaned, dried, and re-covered.

e. Pipe end covers and protections (plugs, caps, blinds, sheets, wrappings, etc.) when the pipes are stored outdoor without a protective package shall be checked and replaced if needed. Press-fit, push-on caps/ plugs should be used.

This document is property of Tecnimont S.p.A. and cannot be used by others for any purpose, without prior written consent

SITE PRESERVATION GENERAL SPECIFICATION

REALISATION EN EPC D’INSTALLATIONS DE PRODUCTION DE LINEAR-ALKYL-BENZENE <> A SKIKDA ALGERIE

TCM IDENTIFICATION CODE

4439-FZ-SG-000000002

SHEET 20 / 32

ISSUE 4

f. Piping components of different metallurgy shall be always stored separately (non in close contact or in condition to contaminate each other). They can be maintained in the same package but must be properly isolated.

g. According to the standard ISO 8501-1, if rust grade B appears on the external surface of piping components in ferritic steel, during site storage, or during/ after installation, it will be subject to Company approval, case by case. Monitoring shall begin and any rust grade C areas shall be cleaned by steel brushes, knotted wire cup brushes for angle grinders, grinding disks, or sand blasting, and treated by a temporary rust preventive varnish. The acceptance will be subject to Company approval, and in case, due to corrosion, piping thickness will be lower than the min thickness, repairs will not be accepted (so new piping shall be provided).

h. General or localized corrosion, especially pitting corrosion on austenitic steels, shall be periodically

checked and monitored. Proper recurrence shall be evaluated.

i. As soon as possible after installation, PWHT, and NDT, each grinded, welded, or machined areas on the external surface of piping components in ferritic steel should be cleaned and protected by proper rust preventive. Austenitic steel surfaces shall be cleaned from contaminants and passivated. Natural passivation usually takes from 24 to 48 hours.

j. Piping components and spools belonging to lines and facilities in clean class service shall be

considered clean class regarding preservation. Chapter 10.7 shall be followed.

1.9.1 Prefabricated Pipe Spools

a. Ferritic steel flange faces shall be checked, and if the rust preventive coating is deteriorated, lacking, or missing, it shall be properly cleaned without using grinders, and a new soft/ waxy temporary rust preventive coating applied.

b. Spool end covers and protections (plugs, caps, blinds, sheets, wrappings, etc.) when the loose spools are stored outdoor unsheltered shall be placed, checked, and replaced if needed. Such checks can be done every 3 months. Press-fit, push-on caps/ plugs should be used.

c. Each spool shall be always properly tagged and identified, including the smallest.

1.9.2 Fittings

a. Small bore diameter fittings (⇐ 2” diameter) shall be stored indoor non conditioned when the package is open for installation. They shall never be mixed but always separated by types, materials, and sizes in their box with readable marking/ identification.

b. Ferritic steel fitting external surfaces shall be checked, and if the rust preventive coating is deteriorated, lacking, or missing, it shall be properly cleaned, and a new soft/ waxy temporary rust preventive coating shall be applied. Fitting end covers shall be removed to properly treat the area underneath, and later replaced. Such checks can be done every 3 months.

c. Fittings stored outside shall be stored in a position to avoid any water and dirt accumulation. Fitting end covers and protections (plugs, caps, blinds, sheets, wrappings, etc.) when the loose fittings are stored outdoor unsheltered shall be placed, checked, and replaced if needed. Such checks can be done every 3 months.

d. Flange faces shall be checked for any damages during incoming inspection and before installation.

This document is property of Tecnimont S.p.A. and cannot be used by others for any purpose, without prior written consent

SITE PRESERVATION GENERAL SPECIFICATION

REALISATION EN EPC D’INSTALLATIONS DE PRODUCTION DE LINEAR-ALKYL-BENZENE <> A SKIKDA ALGERIE

TCM IDENTIFICATION CODE

4439-FZ-SG-000000002

SHEET 21 / 32

ISSUE 4

1.9.3 Ferritic and Austenitic Steel Lines in Clean Class Service

a. Cortec VpCI-337 (or equivalent) water-based solution shall be applied by fogging or misting inside lines and facilities. 0.3 liters/ cubic meter of internal volume for ferritic steel. 0.1 liters/ cubic meter of internal volume for austenitic steel. The SUB-CONTRACTOR shall maintain the system closed and uncontaminated after.

b. Fogging or misting is easily achieved by spraying the product uniformly with a high-pressure spray

gun inside the volume.

c. Alternatively, Cortec VpCI-309 (or equivalent) powder without silicates, phosphates, nitrites, or heavy metals shall be applied by dusting, fogging, or sprinkling inside lines and facilities. 300 grams/ cubic meter of internal volume for ferritic steel. 100 grams/ cubic meter of internal volume the system closed and for austenitic steel. The SUB-CONTRACTOR shall maintain uncontaminated after.

d. Fogging is easily achieved with a low-pressure air hose and sandblast cup or by inverting a wet/ dry vacuum. Large conventional sandblasting systems can also be used. To avoid caking of powder, do not over apply or unevenly disperse.

e. Caps, plugs, covers, or blinds shall be used after application. Smaller sizes can eventually be

closed by a tape, or by a taped strong wrap.

f.

If product removal is required, water rinses (or low-pressure air guns for the powder) are enough. Drying shall follow.

1.9.4 Non-Metallic, Rubber, Internally/ Externally Coated Pipes

a. Fusion Bonded Epoxy (FBE) pipes shall be stored separately and not stacked directly against each other at any time during storage. They shall be separated by full encirclement non compressible rubber pads or equivalent, at least 10 mm thick. Additional separation pads shall be used if required to keep the FBE pipes from touching each other.

b. Two pads shall be located from 1 to 3 m from each end of the pipe. Other pads shall be placed to support the center section of the pipe. In any case, distance from one pad to the next one shall be ~ 5 meters. The separation pads shall be attached by some mechanical means that ensures they will stay in place.

c. PVC/RTRP (Reinforced Thermostatic Resin Plastic) pipes shall be adequately supported, and the

supports shall be spaced to avoid bending and damage to pipe coating.

d. Rubber items shall be coated with French Chalk or similar and packed in airtight containers. Plastic and Rubber Direct sunlight, heat and weathering will cause deterioration of most plastic and rubber- based materials, and shielding is thus required. Rubber-lined equipment shall also be protected against exposure to direct heat or radiation by the sun, by shielding or covering.

e. Care shall be exercised in applying petroleum base preservatives so that non-metallic parts are not coated because of the possible damaging effect on such items. Petroleum base preservatives shall not be applied to the following: Items fabricated from textiles, plastics, mica, rubber, cork, paper, leather and leather products.

f.

Internally coated pipes shall be handled from the outside surface only. Lined and coated pipes and fittings shall be handled with wide fabric or rubber-covered slings of a size appropriate for the weight to be lifted, or with hooks at the ends. The padding shall be of used cloth or hemp belts.

This document is property of Tecnimont S.p.A. and cannot be used by others for any purpose, without prior written consent

SITE PRESERVATION GENERAL SPECIFICATION

REALISATION EN EPC D’INSTALLATIONS DE PRODUCTION DE LINEAR-ALKYL-BENZENE <> A SKIKDA ALGERIE

TCM IDENTIFICATION CODE

4439-FZ-SG-000000002

SHEET 22 / 32

ISSUE 4

g. Coated pipe shall not be rolled or dragged on the ground. Such pipes shall be placed at a minimum of 150 mm above ground on wooden spacer planks or sandbags wide enough to avoid damaging the coating.

1.9.5 HDPE (Polyethylene) Piping Components

a. HDPE piping components shall be protected by the SUB-CONTRACTOR against deterioration from

exposure to ultraviolet light and weathering effects during site storage.

b. HDPE piping components internal and external surfaces shall be preserved clean and smooth (uniform in finish) during site storage, handling, and after installation, so that any scoring, cavities, and other surface defects such as voids, cracks, crazing, foreign inclusions, or deep scratches, will be always minimized. The internal surfaces shall be also preserved free of cuttings and shavings.

c. No mineral solvents or liquid hydrocarbons shall be used for cleaning: just water or compressed

air.

d. Reasonably heavy piping components, no matter if on racks, saddles, pallets, wood blocks, battens, or bearers, shall always be laid levelled and flat, placed on at least 10cm wide wooden dunnage, evenly spaced at intervals of 1m or less, kept away from hot surfaces or heat sources (other than the sun). Narrow support surfaces or a wrong stacking could produce high concentrated stress (point loading) and out of roundness (ovality) tolerance.

e. Pipe lengths transported in bulk packs or strip load packs should be stored in the same package. They can be loaded and unloaded via forklift, in large quantities and with the maximum pieces of pipe per truck load. If a lifting option other than a forklift is required for site storage, a pyramid load packs, where pipe lengths sit within the grooves of one another, is the preferable choice. In both cases, the pipe lengths shall be evenly stacked upon each other, without padding material in between, to an overall height of no more than 1.2m. The heavier shall stay in the lower position.

f. Pipe lengths arranged in coil packs (coiled pipes) may be stored either on edge or stacked flat one on top of the other. Silo packs are allowed but individual coils shall be removed from the silo pack without disturbing the stability of the package.

g. HDPE fitting, HDPE stub-end (flange adapters), eventual flange gaskets and special couplings shall be stored in boxes covered by tarpaulins (or equivalent). Steel lap joint flanges (back-up ring) should have been first zinc hot dip galvanized and later stored in boxes covered by tarpaulins (or equivalent).

h. HDPE piping ends shall be preserved cleanly cut, without ledges, shaving tails, burrs, or cracks.

i. Rigid plastic caps of the same OD diameter shall be used when the material is not packaged inside a closed box. Press fit or push on caps are acceptable, not the heat shrinkable caps, and they shall not be installed greased but just secured with weatherproof tape. Plastic films shall not be used.

j. Cross bracing to preserve toe-In tolerance, for stacked piping components with OD greater than

500mm, shall be used.

k. Special tools, accessories and machines shall be preserved indoor non-conditioned, or according

to the supplier instructions.

This document is property of Tecnimont S.p.A. and cannot be used by others for any purpose, without prior written consent

SITE PRESERVATION GENERAL SPECIFICATION

REALISATION EN EPC D’INSTALLATIONS DE PRODUCTION DE LINEAR-ALKYL-BENZENE <> A SKIKDA ALGERIE

TCM IDENTIFICATION CODE

4439-FZ-SG-000000002

SHEET 23 / 32

ISSUE 4

1.9.6 PVC

(Polyvinyl Chloride) and CPVC

(Chlorinated Polyvinyl Chloride) Piping

Components and Conduits

a. PVC/ CPVC piping components and conduits shall be protected by the SUB-CONTRACTOR against deterioration from exposure to sunlight during site storage. When stored outdoors, they shall be covered with a non-transparent material. Such covering shall provide adequate air circulation above and around, to prevent excessive heat which can cause discolorations and deformations.

b. High temperatures and heat sources such as heaters, boilers, steam lines, engine exhaust, etc. shall be avoided. PVC should not be exposed to temperatures above 65°C (150°F). CPVC should not above 100°C (210°F).

c. Sagging and bending shall be prevented during site storage by proper supports. They should be stored on level ground in the unit packages (skids) provided by the factory. Unit packages should be supported by wooden racks or other suitable means and spaced properly to prevent damage.

d. Compressions, damages, or deformations shall be avoided. When unit packages are stacked, care must be used to ensure that the weight of the upper units does not cause deformation to pipe in the lower units. Package units should not be stacked more than 2 meters high. The height of the stack shall not result in instability, which can cause collapse, pipe damage, or personal injury.

e. PVC/ CPVC piping components and conduits shall not be dropped, have objects dropped on them, or be subjected to external loads during and after installation. They can be damaged by abrasion and gouging. Pipes and conduits must not be dragged across the ground or over obstacles. Impacts such as dropping from sizable heights and/ or rough hauling should be avoided, particularly in cold weather. They shall be inspected for any scratches, splits, or gouges before and after installation. If found, these sections must be cut out and discarded.

1.9.7 Cement Mortar Lined Piping Components

a. The piping components (piping, flanges, and fitting) shall be protected by the SUB-CONTRACTOR

from damage and deterioration during site storage, handling, and after installation.

b. Multiple pick points shall be considered, especially for heavy and slender pieces, to prevent lining cracks. Generally, a single center pick point or 2 pick points are enough (spacing not less than the 3rd points of the item length i.e., no closer than 4m if the length is 12m). Belt slings shall be used. Unpadded chains or cables shall not be used. Hook lifting and flange bolt holes shall never be used.

c. Careful handling shall be done. Sharp impacts can damage the lining, especially at the extremities. Forklift handling can be done but each piece must be chocked to prevent rolling and impacts. Padding material such as pads, mats, sleepers, rubber sheets etc. shall be always used, also inside a closed package, or on a pallet.

d. Pipe supports during storage shall not be closer than 30cm from the extremities and wide enough to prevent excessive point loading. Wooden wedges shall be used to prevent rolling. Flanged extremities of heavy and slender pieces shall never be used as point loading. Sand or sandbag berms can be useful during installation.

e. The cement mortar lined internal surface shall be moistened with clean water during site storage to prevent excessive drying and cracking of the liner. Caps and plugs shall be always in place to retain the moisture. Frequent inspections shall be done by the SUB-CONTRACTOR especially in

This document is property of Tecnimont S.p.A. and cannot be used by others for any purpose, without prior written consent

SITE PRESERVATION GENERAL SPECIFICATION

REALISATION EN EPC D’INSTALLATIONS DE PRODUCTION DE LINEAR-ALKYL-BENZENE <> A SKIKDA ALGERIE

TCM IDENTIFICATION CODE

4439-FZ-SG-000000002

SHEET 24 / 32

ISSUE 4

very hot and dry weather. A good indicator of acceptable moisture is when condensation droplets are visible on the inside of the covers.

f. Fastening, gaskets, lubricants, joint diapers, grout bands, and mechanical couplings shall be duly

preserved indoor non-conditioned.

1.10 SITE PRESERVATION OF VALVES

a. Water, dirt, dust, sand, and any kind of contaminants shall be prevented from entering the valves during site storage and during/ after installation. If more cleaning is needed, proper mineral solvents without aromatic compounds (kerosene, gasoline, benzene, toluene, etc.) in the chemical composition shall be used. Paraffinic refined distillate without aromatic compounds, such as mineral spirit and white spirit, or alkaline cleaning compounds without aromatic compounds, can be used to improve the cleansing of the surfaces. Any liquid eventually used for cleaning, and the hydro- test water used to test the lines before commissioning, shall be always completely drained and dried. Only when the hydro-test water is augmented with proper water based VCI, drying is not necessary.

b. To dry out the valves after hydro-test, draining, and blowing of the lines, the valves shall stay

partially open.

c.

If the valves are packaged inside a barrier bag with desiccants inside, the SUB-CONTRACTOR shall check and eventually replace the desiccants, if needed. The minimal quantity shall be 1Kg for each cubic meter (or 1oz per cubic feet). If ferritic steel bare surfaces (including bolt holes, grease nipples and fasteners), have been treated by rust preventive (oil, grease, or varnish), the SUB- CONTRACTOR shall check and eventually re-apply the same every 3 months.

d. Valve end covers shall stay in place especially when out of package, during site storage, handling, and during installation. Metal, hardboard, plastic, or solid wood covers can be used. For flanged valves, the cover shall be able to protect the seat from mechanical damage.

e. Exposed valve spindles and stems shall be protected with waxy rust preventive varnish removable by standard solvent (such as mineral spirit, Varsol, Stoddard solvent, white spirit). Or by greasing followed by oiled paper wrapping (such as Marvelpak-12 or equivalent).

f. During construction, the SUB-CONTRACTOR should keep the valve packages indoor. The valve ends shall stay closed and preserved as far as possible. During the daily working activities, only the pieces that are going to be installed before the end of the day, should be handed over to the pipe fitters and those not installed should be returned to the workshop.

g. For austenitic steel valves, the integrity of protective wrappings, special taping films or membranes, shall be maintained as long as possible, to prevent contamination, oxidation, and corrosion. All kind of workmanship contamination on passivated surfaces shall be avoided.

h. All threaded parts and components, in particular bolt holes, fastener threads, and grease nipples shall be protected from corrosion, during site storage and after installation, by proper greasing and lubrication. Inspections, eventual remedial actions, and re-applications shall be done every three months.

i. Actuators, especially those with sensitive electric and electronic components, shall be always protected from humidity condensation and mechanical damage during site storage. The SUB- CONTRACTOR should keep them indoor as long as possible. The manufacturer’s IOM manual shall be followed.

This document is property of Tecnimont S.p.A. and cannot be used by others for any purpose, without prior written consent

SITE PRESERVATION GENERAL SPECIFICATION

REALISATION EN EPC D’INSTALLATIONS DE PRODUCTION DE LINEAR-ALKYL-BENZENE <> A SKIKDA ALGERIE

TCM IDENTIFICATION CODE

4439-FZ-SG-000000002

SHEET 25 / 32

ISSUE 4

j. Valves belonging to lines and facilities in clean class service shall be considered clean class

regarding preservation.

1.11 SITE PRESERVATION OF EQUIPMENT (STATIC, ROTATING, MACHINERIES)

a. Site Preservation varies according to typology, category, manufacturers, VENDOR preservation and package. The CONTRACTOR shall develop tailored site preservation cards using the CONTRACTOR’s preservation system MaterPAD.

b. Equipment and accessories shall be checked against the material requisition and packing lists. Receiving inspection shall ensure equipment is not damaged and shall verify VENDOR preservation condition after transportation and on a regular basis on warehouse, on site.

c. VENDOR suggested site storage class shall be checked. Nitrogen blanketing preservation shall be

checked with suggested recurrence and recorded.

d. Before equipment openings are connected, proper blinds or covers shall be always in place, to

avoid ingress of water, dirt, dust, sand, and contaminants.

e. All equipment flanges shall be protected by PE plastic wrapping to prevent surface damage from

environment or construction activities.

f. All bearing housing breathers shall be wrapped to prevent atmospheric air entering and causing

condensation of humidity.

g. Electric motor space heaters shall be put online.

h. If a new nitrogen blanketing preservation is required at site, it shall be done according to the procedure for nitrogen purging and pressurization described at the end of the present document. Proper gauges and training for the operators shall be done.

i. Equipment (static, rotating, machineries) in clean class service shall be considered clean class

regarding preservation.

1.12 SITE PRESERVATION FOR PREFABRICATED MODULES (STRUCTURE + PIPE RACK)

a. The modules should be rinsed with fresh water every three months in case deposits of sea salt are

visible on the surfaces.

b. During Site Storage and during/ after Installation, fire-proofed parts shall be protected from any

mechanical damages.

c. Vendor preservation shall be maintained and protected at best, keeping the piping lines closed and uncontaminated. Placing of desiccants shall be evaluated for clean class lines and checked/ replaced every three months.

1.13 SITE PRESERVATION OF SKID MOUNTED PACKAGE UNITS

a. Site Preservation varies according to typology, category, manufacturers, VENDOR preservation and package. The CONTRACTOR shall develop tailored site preservation cards using the CONTRACTOR’s preservation system MaterPAD.

This document is property of Tecnimont S.p.A. and cannot be used by others for any purpose, without prior written consent

SITE PRESERVATION GENERAL SPECIFICATION

REALISATION EN EPC D’INSTALLATIONS DE PRODUCTION DE LINEAR-ALKYL-BENZENE <> A SKIKDA ALGERIE

TCM IDENTIFICATION CODE

4439-FZ-SG-000000002

SHEET 26 / 32

ISSUE 4

b. For package equipment supplied in a temporary skid box provided by VENDOR, it shall not be

opened until the equipment is installed.

c. For package equipment supplied without a temporary skid box provided by VENDOR, the following shall apply during construction: 1) Temporary polyethylene sheet covers on instruments, electric/ electronic components. 2) Desiccants replacement inside panels and electrical enclosures.

d. Loose panels shall be stored indoor until they are ready to be installed on the skid. If barrier bags or vacuum bags are used, their tight sealing shall be periodically checked. If damage is found, they shall be repaired or replaced. In such case also the desiccants inside shall be replaced. If desiccants without barrier bags are used inside the panels, they shall be periodically replaced. If electric power and heaters are available, they can also be an option to avoid humidity condensations.

e. Skid mounted package units in clean class service shall be considered clean class regarding

preservation.

1.14 SITE PRESERVATION OF TRANSFORMERS

a. Site Preservation varies according to typology, category, manufacturers, VENDOR preservation and package. The CONTRACTOR shall develop tailored site preservation cards using the CONTRACTOR’s preservation system MaterPAD.

b. Large transformers are sent from the factory to the installation site with nitrogen or dry air filling to reduce the transport weight. Shall be considered that: 1) The pressure must not typically fall below 0.05 bar. In case of leakages from the transformer tank or in case of pressure loss from the gas cylinders, the leakages shall be fixed. 2) If there are heating elements provided in the motor drive cabinet and control cabinets, they shall be connected to the power supply, to prevent water condensation.

1.15 SITE PRESERVATION OF ELECTRICAL MATERIAL: CABLES, CABLE TRAYS, JUNCTION

BOXES, LIGHTING FIXTURES, POLES, ELECTRICAL FITTING, ETC

a. Since most of the electrical material will be stored outdoor unsheltered, the SUB-CONTRACTOR

shall organize site preservation for such storage class.

b. Openings of electrical material not protected by a closed package should be supplied already plugged, capped, wrapped, or taped. They shall be taken away only before installation or connection.

c. Cable drums or cable reels, cable trays and accessories shall be always monitored by the SUB- CONTRACTOR during site storage, handling, and installation. The VENDOR preservation procedure and the manufacturer’s instruction shall be always followed.

d. The cable drums shall be always wedged, to prevent rolling or falling over, and never stacked. It is advisable to store them in double parallel rows, subdivided per cable section and type, with sufficient space to allow for the passage of handling equipment.

e. Wooden planks shall be placed under each flange of the cable drums/ reel, to prevent sinking and

distortion.

f. A heavy-duty polyethylene industrial wrapping shall be used by the SUB-CONTRACTOR to protect

any exposed and visible cable windings from sun during site storage and installation.

This document is property of Tecnimont S.p.A. and cannot be used by others for any purpose, without prior written consent

SITE PRESERVATION GENERAL SPECIFICATION

REALISATION EN EPC D’INSTALLATIONS DE PRODUCTION DE LINEAR-ALKYL-BENZENE <> A SKIKDA ALGERIE

TCM IDENTIFICATION CODE

4439-FZ-SG-000000002

SHEET 27 / 32

ISSUE 4

g. Cable end seals shall be checked and maintained. After cutting part of the cable, the end seals

shall be re-installed.

h. Any desiccants or VCI emitters used inside junction boxes and electrical receptacles shall be checked and replaced according to the VENDOR preservation procedure and the manufacturer’s instruction.

i. Electrical contact cleaner and protector fluid shall be always applied by spraying and re-applied

every 3 months on all electrical connections before and after installation.

1.16 SITE PRESERVATION OF STORAGE BATTERIES

a. Batteries shall be always inspected and monitored by the SUB-CONTRACTOR during site storage, handling, and installation. The VENDOR preservation procedure and the manufacturer’s instruction shall be always followed: electrolyte level may need to be recorded, and electrolyte added; the seal of dry batteries may need to be repaired, if damaged; cell voltage level shall be restored by re- charging or maintained by placing the banks on a trickle charge.

b. Fasteners shall be protected from corrosion, during site storage and after installation, by proper greasing and lubrication. Electrical poles and connectors shall stay covered and protected as supplied, as long as possible.

c. There can be various safety concerns with battery storage. VENDOR guidance shall be followed. For example, when batteries are being charged, they typically give off hydrogen, therefore the storage location during the charging process should be carefully considered.

d. During storage and after installation, the SUB-CONTRACTOR shall properly manage and prevent any electrolyte leak. Secondary containments or dripping pans are recommended. Electrolyte leaks may generate corrosions, explosions, injuries, reactions, fires, toxic emissions, and soil contaminations. HSE corresponding management shall be established and enforced.

1.17 SITE PRESERVATION OF SWITCHGEARS, STARTERS, CONTROL EQUIPMENT

a. Control equipment, switchgears, and starters shall be always monitored by the SUB- CONTRACTOR during site storage, handling, and installation. The VENDOR preservation procedure and the manufacturer’s instruction shall be always followed. Damage, deterioration, and corrosion due to condensation of humidity or to high humidity shall be avoided.

b. The SUB-CONTRACTOR may have to add or fill insulating liquid, according to the manufacturer’s

instructions.

c. According to the manufacturer’s instructions, the SUB-CONTRACTOR may be requested to place or replace desiccants in the primary enclosures, to energize built-in space heaters, to energize temporary space heaters such as light bulbs. Light indicators to ensure space heater energization are recommended.

d. Small equipment such as relays, pushbuttons, and circuit breakers, may be sealed in a proper preservative paper inside their package. The SUB-CONTRACTOR shall keep it as long as possible.

e. According to the manufacturer’s instructions, the SUB-CONTRACTOR may be requested to recurrently check the oil level, to measure the insulation resistance of coils, to check the humidity indicators, to act if some condition arise etc.

This document is property of Tecnimont S.p.A. and cannot be used by others for any purpose, without prior written consent

SITE PRESERVATION GENERAL SPECIFICATION

REALISATION EN EPC D’INSTALLATIONS DE PRODUCTION DE LINEAR-ALKYL-BENZENE <> A SKIKDA ALGERIE

TCM IDENTIFICATION CODE

4439-FZ-SG-000000002

SHEET 28 / 32

ISSUE 4

f. Control equipment such as flow meters, receiver-recorder, or analyzer and sampling system may have been preserved by a list of tasks performed by the VENDOR. The SUB-CONTRACTOR shall keep them preserved is such way, as long as possible.

g. Control equipment components containing batteries, (except standard cells) corrosive solutions, or items with short shelf life that could damage the parent equipment, shall be removed. These items shall be stored in suitable containers to prevent leakage, corrosion, or damage to other equipment.

h. Free-standing metal-enclosed equipment shall be stored upright, under cover in a dry, well-

ventilated environment.

i. Door hinges, grease nipples and fasteners shall be protected from corrosion after installation, by

proper greasing and lubrication.

1.18 SITE PRESERVATION OF INSTRUMENTATION, ELECTRONIC EQUIPMENT, CONTROL/

OPERATING DEVICES, INPUT SWITCHES, PANELS

a. Instrumentation and electronic equipment and accessories shall be always monitored by the SUB- CONTRACTOR during site storage, handling, and installation. The VENDOR preservation procedure and the manufacturer’s instruction shall be always followed. Damage, deterioration, and corrosion due to condensation of humidity or to high humidity shall be avoided.

b. Items stored indoor non-conditioned inside sealed packages (thermo-welded sealed bags or barrier bags or vacuum bags or VCI impregnated polyethylene bags) with desiccants or VCI emitting devices inside, shall be checked and monitored every three months or according to the instructions received. The installation of humidity indicators would facilitate the SUB-CONTRACTOR in replacing the desiccants.

c. Electronics equipment such as system cabinets, marshalling cabinets, displays, instruments, etc. supplied without proper humidity protection (barrier bag + desiccants), shall be always stored inside indoor conditioned warehouses.

d. Any covers placed over fragile parts and components of instrumentation and electronic equipment and accessories, shall stay in place as long as possible. Air cushion film products or other vibration dampener system shall be added for mechanical protection by the SUB-CONTRACTOR, if needed.

e. Control valves shall be protected the same as valves.

f. Motor actuators shall be protected the way as motors.

g. Fasteners shall be protected from corrosion after installation, by proper greasing and lubrication.

h. Instruments for Butadiene Service and Rich Butadiene Content shall be considered clean class

regarding preservation.

1.19 SITE PRESERVATION OF MISCELLANEOUS MATERIALS (PAINTING, CHEMICAL,

INSULATION, REFRACTORY, WELDING)

1.19.1 Painting and Chemical Materials

a. Integrity of the original containers, products identification, legibility of technical data, and expiry dates (shelf life) shall be checked. Contractual and actual shelf life shall be compared and recorded.

This document is property of Tecnimont S.p.A. and cannot be used by others for any purpose, without prior written consent

SITE PRESERVATION GENERAL SPECIFICATION

REALISATION EN EPC D’INSTALLATIONS DE PRODUCTION DE LINEAR-ALKYL-BENZENE <> A SKIKDA ALGERIE

TCM IDENTIFICATION CODE

4439-FZ-SG-000000002

SHEET 29 / 32

ISSUE 4

Damaged, not identifiable, or expired containers shall be rejected/ quarantined/ site removed according to the approved project specifications.

b. Storage conditions shall be in accordance with VENDOR/ Manufacturer’s technical data sheet and approved project specifications. Generally, they are subdivided according to typology and in such a way that the first in will be the first out. Special items requiring specific storage precautions may deviate from the below general requirements.

c. Painting and chemical products shall be stored in their original sealed containers, inside well- ventilated warehouses, protected from temperatures exceeding the VENDOR/ Manufacturer’s recommendations. Where warehousing is not possible, they shall be stored under a sheltered and shaded area, never exposed to the sun. Long term storage temperature is generally between 5 °C and 35 °C, can be higher for short term but never exceeding 45 °C. Indoor conditioned storage shall be considered where too high ambient temperatures are expected.

d. Painting products as other flammable materials should be stored away from other materials, field

offices, heat sources, and flames. Proper fire extinguishers shall be available nearby.

e. During storage and application, the SUB-CONTRACTOR shall properly manage and prevent any painting and chemical products damage, failure, or spread. Secondary containments or dripping pans are recommended. Chemicals leaks may generate corrosions, explosions, injuries, reactions, fires, toxic emissions, and soil contaminations.

1.19.2 Insulation Materials

a. Package integrity shall be monitored and eventually fixed. Expiry dates (shelf life) shall be checked at least every 6 months. Storage conditions shall be in accordance with VENDOR/ Manufacturer’s instructions. Precast insulated concrete, mineral wool (rockwool/ fiberglass/ ceramic fiber) insulated blankets, polyurethane foam, foam glass, etc., are generally sealed airtight in their packages (with readable labels and tags) and placed on pallets. During storage they shall be protected against humidity condensation and rainwater. If indoor storage is not possible, they can stay outdoor, but a shelter should be done.

b. During installation, the SUB-CONTRACTOR shall properly manage and prevent any insulation

damage or spread. Damaged insulation shall be properly sorted, stored, and disposed.

1.19.3 Refractory Materials

a. Package integrity shall be monitored and eventually fixed. Storage conditions shall be in accordance with VENDOR/ Manufacturer’s instructions. Refractory linings and refractory castable cements, used in equipment such as vessels, piping, fired heaters, and exchangers, etc., shall be protected against humidity condensation and rainwater until operation starts. Proper air- conditioning and ventilation may be also required.

b. During storage and installation, the SUB-CONTRACTOR shall properly manage and prevent any

refractory damage, failure, or spread.

1.19.4 Welding Consumables

a. Package integrity shall be checked. Storage conditions shall be in accordance with VENDOR/ Manufacturer’s instructions. Welding consumables (electrodes, fluxes, wires, etc.) are generally sealed airtight in their packages (with readable labels and tags) and placed on pallets (never in contact with the ground). They shall be stored in clean, indoor, heated (not below 20°C), and dry (relative humidity lower than 70%) area.

This document is property of Tecnimont S.p.A. and cannot be used by others for any purpose, without prior written consent

SITE PRESERVATION GENERAL SPECIFICATION

REALISATION EN EPC D’INSTALLATIONS DE PRODUCTION DE LINEAR-ALKYL-BENZENE <> A SKIKDA ALGERIE

TCM IDENTIFICATION CODE

4439-FZ-SG-000000002

SHEET 30 / 32

ISSUE 4

1.20 SITE PRESERVATION OF FIRE FIGHTING AND SAFETY EQUIPMENT (HYDRANT, MONITORS, SPRINKLERS, SAFETY SHOWERS, EXTINGUISHERS, CLEAN AGENT BOTTLES AND NOZZLES)

a. The SUB-CONTRACTOR shall prevent damage, deterioration, and degradation during site storage and after installation, according to the VENDOR preservation procedure and manufacturer’s IOM manuals, considering the site climatic conditions.

b. Sprinklers and deluge valves shall be preserved the same as valves.

c. Expiry dates (especially for fire extinguishers) shall be monitored.

d. Clean agent bottles pressure shall be checked, and if it starts getting low, they shall be repaired or

replaced.

1.21 PROCEDURE FOR NITROGEN PURGING AND PRESSURIZATION

When internal surfaces of vessels and heat exchangers, or parts and components of different equipment, were preserved by drying and nitrogen blanketing (nitrogen purging + filling + pressurization), the SUB-CONTRACTOR shall consider the following points if onsite re-application is needed.

1.21.1 DRYING

a. Before nitrogen purging, the equipment shall be completely dried, especially if hydrotest was carried out. The Manufacturer’s drying procedure can be followed but, as a rule of good practice, drying shall be carried out for a proper time, with dried compressed air or with a hot air stream (not exceeding 66°C (150°F) for low chrome steel or 49°C (120°F) for stainless steel).

b. The equipment shall be considered dry, when the exhaust air dew point is the same of the inlet air. For proper measurement, flow sections shall be comparable, and the instrument probe shall be placed well inside the flow, at the center of the flow sections. All nozzles, vents, and connection openings, other than the inlet and the outlet point, shall be previously blanked, plugged, or capped, to prevent the entry of dust, dirt, and moisturized air.

c.

It is not important if the dew point readings are high or low at this stage: important is that they are reasonably the same (equalize). If they are not, the air inside is still more humid than the air streamed from outside (the replacement of the inner humid air is not complete yet), or worst, some liquid water is still evaporating from inside. Does not matter if temperature values and relative humidity values are not the same.

d. All circuits involved shall be considered separated. For example, for heat exchangers, shell side

and tube side.

e. Drying of equipment can also be done using electric heaters inside for many days (until dew point

check is ok).

1.21.2 NITROGEN PURGING AND PRESSURIZATION

a. Nitrogen used for preservation must be dry and free from oils. Dew points not higher than -10°C (14°F) is adequate for the project and required inside vessels and heat exchangers at the end of the purging and pressurization process. Whichever way can be followed but using nitrogen with due point much lower than -10°C (14°F) is suggested. For example, industrial grade nitrogen with -60°C (-76°F) dew point, which is very common worldwide, can be used. Actual nitrogen dew point

This document is property of Tecnimont S.p.A. and cannot be used by others for any purpose, without prior written consent

SITE PRESERVATION GENERAL SPECIFICATION

REALISATION EN EPC D’INSTALLATIONS DE PRODUCTION DE LINEAR-ALKYL-BENZENE <> A SKIKDA ALGERIE

TCM IDENTIFICATION CODE

4439-FZ-SG-000000002

SHEET 31 / 32

ISSUE 4

value inside the cylinders shall be always calculated by the SUB-CONTRACTOR during the inspections, to have a reference point before any other consideration.

b. Nitrogen shall be augmented by desiccants when nitrogen purging and pressurization cannot properly be done, or when nitrogen dew point is not particularly low (the SUB-CONTRACTOR shall provide evidence, in any case). To use desiccants, they must be easily removable or replaceable from the equipment, they shall be calculated for the preserved volume and for 24 months lifetime, and warning labels for their later removal shall be placed. A log file shall be created for the equipment where desiccants are used to be sure they will be removed before start-up.

c. One manometer with isolation valve and protected by rigid frame, shall be installed on each chamber or side of the equipment, so that internal pressure readings and nitrogen filling can be done at the same time. The installation of the manometers to the equipment, shall be done by connections with separate isolation valves, to allow manometer replacements without de- pressurizing. One pressure gauge to monitor internal pressure, shall be installed in an easily accessible position considering both, transportation, and erected position. The pressure gauges shall be properly protected.

d. Adjacent to each manway, some well visible markings, warning tags or labels shall be provided: “DANGER – VESSEL FILLED WITH NITROGEN UNDER PRESSURE – ASPHYXIATION HAZARD”. A robust system of labels shall be used (such as tie-on labels). Stick-on labels may be used if they can stand in good conditions for 18 months. Hazards management shall be part of all these activities since nitrogen asphyxia hazards is notoriously high. All the people, even the ones not directly involved in preservation activities shall be sensitive to the nitrogen asphyxia hazard.

e. Purging shall be done with the idea that 100% of the air inside must be replaced by the nitrogen supplied. For equipment with a very large volume or with complex geometry, this can be waived on a case-by-case base, maintaining mandatory a correct drying of the equipment, a low nitrogen dew point and a reasonably comparable equipment dew point at the end of the process. Any waivers shall be subject to agreement with Company. Nitrogen Purging can be done in any of the following ways. The first is more suitable for heat exchanger-like internal geometry, the second for pressure vessel-like internal geometry:

1. Flushing Purging. More 20 minutes cycles of nitrogen flushing at 7.25psig (0.5barg) maximum, with intervals (stops) of 15 minutes in between, until outlet nitrogen dew point is not higher than -10°C (14°F). Measuring the oxygen content is not practical and does not provide humidity monitoring. Dew point measurements are easier and more affordable.

2. Pressurizing and De-Pressurizing Purging. All nozzles, vents, and connection openings, other than the inlet point, shall be previously blanked, plugged, or capped, to prevent the entry of dirt, dust, sand, and moisturized air. 3 times cycles of nitrogen filling at 43.5psig (3barg) (only if it is acceptable by design, otherwise the SUB-CONTRACTOR shall use a lower pressure and increase the number of cycles) followed by a holding time of 20 minutes and De-Pressurizations up to 1.45psig (0.1barg), until outlet nitrogen dew point is not higher than -10°C (14°F). Measuring the oxygen content is not practical and does not provide humidity monitoring. Dew point measurements are easier and more affordable.

f. Only if recommended by the VENDOR and acceptable by design: Nitrogen purging can be waived

if vacuum is carried out before nitrogen filling and pressurization.

g. Nitrogen Pressurization shall be done by nitrogen filling to a value of 7.25psig (0.5barg) or as close as possible to 7.25psig (0.5barg) (only if it is acceptable by design, otherwise the SUB- CONTRACTOR shall use a lower pressure). Accepted nitrogen pressurization values after arrival on site date and during all Site Storage, shall be not less than 2.90psig (0.2barg). Either if the

This document is property of Tecnimont S.p.A. and cannot be used by others for any purpose, without prior written consent

SITE PRESERVATION GENERAL SPECIFICATION

REALISATION EN EPC D’INSTALLATIONS DE PRODUCTION DE LINEAR-ALKYL-BENZENE <> A SKIKDA ALGERIE

TCM IDENTIFICATION CODE

4439-FZ-SG-000000002

SHEET 32 / 32

ISSUE 4

equipment was depressurized during shipping, or if nitrogen pressurization is less than 2.90psig (0.2barg) after arrival on site date, re-pressurization shall be organized as soon as possible according to the refilling instructions provided in the VENDOR preservation procedure. Eventual refilling shall be performed by the CONTRACTOR or by the SUB-CONTRACTOR (under CONTRACTOR duties and responsibility). If the re-pressurization is done within a couple of weeks after arrival on site, loss of pressure shall not be considered a noncompliance, since a dry and nitrogen-rich atmosphere is still inside.

h. Frequent and regular surveys of equipment and facilities pressurized with nitrogen shall be carried

out to timely restore any inadequate preservation conditions.

1.22 SITE PRESERVATION DOSSIER TYPICAL INDEX

Typical index of Site Preservation Dossier to be delivered by SUB-CONTRACTOR to CONTRACTOR at the achievement of ready for start-up is the following:

a. System information (system code, description, and system component list).

b. System equipment/ item list under preservation.

1. Electrical equipment/ item list.
2. Rotating equipment list.
3. Static equipment list.
4. Packages list.

c. System preservation job cards and relevant QCFs.

1. Electrical equipment/ item preservation job cards and relevant QCF.
2. Rotating equipment preservation job cards and relevant QCF.
3. Static equipment preservation job cards and relevant QCF.
4. Packages preservation job cards and relevant QCF.

d. Remarks.

This document is property of Tecnimont S.p.A. and cannot be used by others for any purpose, without prior written consent

Project: Q-32976 - Tecnmont SKIKDA Folder: Reference Documents