Air Dryer_Tangguh PJ

PT. Brown & Root Indonesia

Doc. No. 65-EVT-MC-1477 Rev. 5A

Project TLNG Author’s Org. KJP

KJP Doc. No. G-215A-005 Date 10 Nov. 05

KJP Job Code J-3400-20-0000 Sheet 1 of 64

1. GENERAL...................................................................................................................................2 2. VENDOR NAMES AND ACCEPTABILITY ..........................................................................2 3. SUMMARY OF EVALUATIONS ............................................................................................2

3.1 Technical......................................................................................................................................2 3.2 Delivery Schedule........................................................................................................................3 3.3 Experiences..................................................................................................................................3

4. DEVIATIONS AND CLARIFICATIONS................................................................................3 4.1 General Deviations......................................................................................................................3 4.2 MIGAS Inspection Requirements and Instructions ................................................................3 4.3 Sub-vendor List...........................................................................................................................3

Attachment-1: Bid Analysis Report Attachment-2.1: Deviation and Clarification List from Atlas Copco Attachment-2.2: Deviation and Clarification List from Airpack Attachment-2.3: Deviation and Clarification List from Delair Attachment-3.1: Experience List of Atlas Copco Attachment-3.2: Experience List of Airpack Attachment-3.3: Experience List of Delair Attachment-4.1: Sub-vendor List of Atlas Copco Attachment-4.2: Sub-vendor List of Airpack Attachment-4.3: Sub-vendor List of Delair

X Core Non-core Lifecycle Code B

For Information For Review X For Approval Released As-Built

Rev. Date Page Description Prep’d Chk’d App’d BP App’d

5A 10 Nov 05 All First Issue for Approval A. Corral A. Almirez S. Kato

3.8 MTPA TRAIN CAPACITY Technical Evaluation Report for Air Dryer Packages

Table of Contents

BPMIGAS

TANGGUH LNG

BP Berau Ltd.

Inquiry Requisition No.: R-215A-005

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Doc. No. 65-EVT-MC-1477 KJP Doc. No. G-215A-005 Rev. 5A Sheet No. 2 of 64

Technical Evaluation Report for Air Dryer Packages

BP Berau Ltd. Tangguh LNG Project

1. GENERAL

This report covers the Technical Bid Evaluation for Air Dryer Packages; 065-V-1001A/B for the Tangguh LNG Project.

2. VENDOR NAMES AND ACCEPTABILITY

Vendor Name Country Technical Acceptability

A ATLAS COPCO INDONESIA Acceptable; Recommendable

B AIRPACK NETHERLAND Acceptable

C DELAIR NETHERLAND Not Acceptable

3. SUMMARY OF EVALUATIONS

Atlas Copco

- Atlas Copco proposed to supply their standard Air Dryer Package with acceptable deviations. For details of deviations, please refer to Attachment 2.1.

- Atlas Copco’s proposed Air Dryer Package is a proven standard and proprietary design of their principal company in Belgium.

- Atlas Copco has many successful experiences of supplying Air Dryer Packages in Indonesia.

- Atlas Copco, as a local subsidiary company of Atlas Copco-Belgium, will be able to provide the expedient and quick technical service when need arises during normal operation and downtime.

Airpack

- Airpack proposed to supply their standard Air Dryer Package with acceptable deviations and some pending clarifications. For details of deviations, please refer to Attachment 2.2.

- Airpack’s proposed Air Dryer Package is a proven standard and proprietary design from its own company in Netherlands.

- Airpack has no experience in supplying Air Dryer Package in Indonesia.

- Airpack has no local subsidiary in Indonesia.

Delair

- Delair proposed to supply their standard Air Dryer Package with acceptable deviations except for unacceptable deviations to Quality Control. For details of deviations, please refer to Attachment 2.3

- Delair proposed Air Dryer Package is a proven standard and proprietary design from its own company in Netherlands.

- Delair has no experience in supplying Air Dryer Package for the last 5 years in Indonesia.

- Delair has no local subsidiary in Indonesia.

3.1 Technical

Technical Bid Evaluation of Vendor’s proposal is tabulated in Attachment-1.

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3.2 Delivery Schedule

Atlas Copco

Atlas Copco’s proposed delivery schedule is 5 months after issuance of the Purchase Order. This proposed schedule is appropriate for the project execution of the Tangguh LNG Project.

Airpack

Airpack’s proposed delivery schedule is 5 months after receipt of the Purchase Order. This proposed schedule is also acceptable to meet the project schedule for the Tangguh LNG Project.

Delair

Delair’s proposed delivery schedule is 8 months after issuance of the Purchase Order. This proposed schedule is not appropriate for the project execution of the Tangguh LNG Project.

3.3 Experiences

Please refer to Attachments 3.1 - 3.3 for vendor’s list of experience.

The three (3) vendors have various experiences on the supply of Air Dryer Package worldwide.

Atlas Copco has many successful experience of supplying Air Dryer Package in Indonesia.

4. DEVIATIONS AND CLARIFICATIONS

For details of the deviation and clarifications of the three (3) vendors, please refer to Attachment 2.1-2.3.

4.1 General Deviations

Each vendor had proposed several deviations from applicable documents except for the performance and process requirements of Air Dryer Package specified in the Equipment Data Sheet.

4.2 MIGAS Inspection Requirements and Instructions

Atlas Copco and Airpack will comply with MIGAS Inspection, Requirements and Instruction.

Delair will not comply on the MIGAS Inspection Requirements and Inspection. This is unacceptable.

4.3 Sub-vendor List

Basically, the three (3) vendors proposed to utilize their standard component sub-vendors particularly for valves and instrumentation, with proven performance according to their experiences.

Each bidder has proposed different sub-vendors for each component of the Air Dryer Packages.

For details of the sub-vendor list, please refer to Attachment 4.1-4.3

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Attachment 1:

Bid Analysis Report

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DATE: 09 Nov 05 Rev 01DEPARTMENT: PACKAGE

LEGENDS: EVALUATED: A. CORRALo : complied/ acceptable CHECKED: A. ALMIREZx : deviated/ unacceptable APPROVED: S. KATO? : needs further clarificationVTP : Vendor to ProvideJ : JGC's Judgement

DELAIR, Netherlands J AIRPACK, Netherlands J

ATLAS COPCO COMPRESSOR INTL.

(C/O P.T. ATLAS COPCO INDONESIA)

J

1. GENERAL 1.1 Experience --- good good good1.2 Quality assurance ISO 9001 or Equivalent ISO 9001 - 2000 ISO 9001 - 2000 ISO 9001: 20001.3 Deviation list to be submitted submitted submitted submitted1.4 Sub-vendor list to be submitted submitted submitted submitted1.5 Overall Dimension (L x W x H) m By vendor 6.1 x 2.5 x 3.8 o 3.0 x 2.5 x 3.0 o 1.283 x 2.250 x 2.687 o1.6 Overall weight kg By vendor 6000 o 4500 o 2000 o

2. DELIVERY

2.1 Delivery Schedule VTP 8 months (*) x 5 months o 17 weeks (approx. 5 months) o (*) To be improved.

2.2 Port of Delivery VTP Antwerp (Belgium) or Rotterdam o Antwerp o Belgium o

3. REQUISTION REQUIREMENTS

3.1 Applicable Documents as per para. 6 complied w/ deviations complied w/ deviations complied w/ deviations

3.2 Scope of Vendor's Supply3.2.1 Equipment

Air Dryer Package 065-V-1001 A/B 2 sets complied o complied o complied o Adsorber Vessels 2 /unit complied o complied o complied o Pre-filters 2 /unit complied o complied o complied o After-filters 2 /unit complied o complied o complied o

3.2.2 Accessories List

(a) Structural / steelworkSkid structures VTP complied o complied o complied o

Baseplates with checker plate decking VTP not complied (*) x complied o complied o (*) Refer to item 1.1 of Attachment 2.3.

(b) Pressure vesselsStainless steel nameplates with brackets VTP complied o complied o complied oAll vessel internals/ externals and supports VTP complied o complied o complied oEquipment and vessel support structures VTP complied o complied o complied o

(c) PipingVTP complied o complied o complied o

(d) Instrumentation & controlVTP complied o complied o complied o

PLC based control system VTP complied o complied o complied o

NO SPEC. REQUIREMENTSDESCRIPTION

VENDOR'S DATA

REMARKS

All necessary piping materials within this package

All necessary instrument/ equipment w/in this package

BID ANALYSIS REPORT

PROJECT: Tangguh LNGJGC JOB NO.: 0-3400-20

ITEM: Air Dryer Package 065-V-1001A/BREQ. NO.: R-215A-005CLIENT: BP Berau Ltd

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JNO SPEC. REQUIREMENTSDESCRIPTION

VENDOR'S DATA

REMARKS

BID ANALYSIS REPORT



Local Control Panel VTP complied o complied o complied oInstruments/ equipments for dew point analysis VTP complied o complied o complied o

(e) GeneralEarthing lugs or boss VTP complied o complied o complied o

VTP complied o complied o complied o



3.3 Special ToolsVTP not required o not required o not required o

Price for special tools To be included in lump sum price not required o not required o not required o

3.4 Spare Parts Construction and Commissioning Spares VTP complied o complied o complied o 2 years Operation Spares VTP complied o complied o complied o

3.5 Vendor's Drawing and Document Requirements as per S-900-1420-001 "Instruction for Vendor Documentation" complied o complied o complied o

3.6 Field Services VTP complied o complied o complied o

3.7 Quality Control as per S-900-1520-017 "Quality Control Requirements for Vendors (Offshore)" Vendor's standard x Vendor's standard x Vendor's standard x

Refer to item 1.1 of Attachment 2.1; item 5.0 of Attachment 2.2; item 10.0 of Attachment 2.3.

as per S-900-1520-008 "MIGAS Inspection Requirements and Instructions" not complied (*) x complied o complied o (*) Refer to item 6.1 of

Attachment 2.3.

3.8 Painting Protection as per S-900-13A0-001 "Specification for Painting" Vendor's standard x Vendor's standard x Vendor's standard x

Refer to item 3.4 of Attachment 2.1; item 3.0 of Attachment 2.2; item 7.3 of Attachment 2.3.

All required reinforcements of skid for shipping to job site

List of Special Tools (as per Attachment 4 of R-215A-005)

Supply of all materials required for transportation and field erection ( i.e lifting lugs, eye bolts, lifting beam, etc.)

Test/ inspection materials such as function test equipment, testing counter flange, testing ring etc.

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VENDOR'S DATA

REMARKS

BID ANALYSIS REPORT



3.9 Shipping and Packing Requirements as per S-900-1450-003 "Project Shipping and Packing Instructions" complied o complied o complied o

3.10 Special Technical Requirements as per Attachment 2 of R-215A-005 complied o complied o complied o

compliance with Spare Parts and Interchangeability Records (SPIRs) "S-900-

1410-005"complied o complied o complied o

4.0 DESIGN BASIS as per EQUIPMENT DATA SHEET (S-065-135A-001)

4.1 GeneralType of Air Dryer Heatless, Pressure Swing complied o complied o complied oNo. of Units to be Installed 2 sets complied o complied o complied oNo. of Units to be Operated Normally 1 set complied o complied o complied o

4.2 System Configuration (Quantity for One Unit)Pre-filter 2 sets complied o complied o complied oAdsorber (Twin Vessels) 1 pair complied o complied o complied oAfter-filter 2 sets complied o complied o complied o

4.3 Location Outdoor complied o complied o complied o

4.4 Area Classification Non Hazardous Area complied o complied o complied o

4.5 Design Codes & Standards Pressure Vessel ASME Sec. VIII Div. 1 complied o complied o complied o Code Stamp Requirement Required complied o complied o complied o

Piping International Code (ASME, JIS, DIN, etc.) ASME o ASME o ASME o

4.6 Performance4.6.1 Product Dry Air

Capacity (per each unit) Nm3/h 2560 complied o complied o complied oDew point deg C -40 complied o complied o complied o at pressure kg/cm2G Atmospheric Pressure complied o complied o complied o

4.6.2 Feed Air

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VENDOR'S DATA

REMARKS

BID ANALYSIS REPORT



Capacity (per each unit) Nm3/h By Vendor 3026 o 2865 o 3780 (*) o (*) Nominal capacity.

Pressure (max) kg/cm2G 9.4 complied o complied o complied oPressure (min) kg/cm2G 8.5 complied o complied o complied oTemperature deg C 50 complied o complied o complied oHumidity % Saturated at Inlet Pressure 100 o 100 o 100 oOil Content % Nil Nil o Nil o Nil o

4.7 Allowable Pressure Drop (Total) kg/cm2 0.8 < 0.8 o complied o 0.071 o

4.8 Drying Cycle

Cycle NEMA-20 complied o 10 min (*) x 10 min (*) x(*) Refer to item 2.1 & 1.1 of Attachments 2.1 & 2.2, respectively.

Drying min 10 complied o 5 x 5 xRegeneration min 10 complied o 5 x 5 x

5.0 MECHANICAL DESIGN REQUIREMENTS as per EQUIPMENT DATA SHEET (S-065-135A-001)

5.1 Design Conditions of UnitDesign Pressure kg/cm2G 10.8 complied o complied o complied oDesign Temperature deg C 65 complied o complied o complied oCorrosion Allowance of C.S Parts mm 2.5 complied o complied o complied o

5.2 Operation ModeFull Automatic Continuous Operation Required complied o complied o complied oInitiation of Regeneration By Fixed Timer complied o complied o complied o

5.2 Design Requirement5.2.1 Pre-filter

Pressure Drop - Clean kg/cm2 By Vendor 0.2 o 0.65 o 0.05 o - Max kg/cm2 By Vendor 0.3 o 1 o 0.12 o

Element - Type By Vendor Cartridge o Cartridge o Cartridge o

- Specification By Vendor 1 micron o 1 micron o 1 micron o

5.2.2 AdsorberDessicant - Type Activated Alumina or Equal Activated Alumina o Molecular sieve o Activated Alumina o

- Quantity per Vessel kg By Vendor 1340 o under clarification (*) ? 1410 o (*) Refer to item 1.2 of Attachment 2.2.

- Expected Life year By Vendor 3 to 5 o 2 o 5 o_____

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VENDOR'S DATA

REMARKS

BID ANALYSIS REPORT



5.2.3 After-filterPressure Drop - Clean kg/cm2 By Vendor 0.15 o 0.65 o 0.05 o - Max kg/cm2 By Vendor 0.25 o 1 o 0.12 oElement - Type By Vendor Cartridge o Cartridge o Cartridge o - Specification 3 micron 1 micron o complied o 0.01 micron o

5.2.4 SilencerOverall Noise Level at 1 meter from Skid Edge Maximum Allowable Noise Level dB (A) 89 85 o 85 o complied o

5.3 Mechanical Design5.3.1 Pre-filter

Corrosion Allowance mm 2.5 complied o complied o complied oMaterial Shell/ Head By Vendor ASTM A-516 Gr.60 or 65 o Aluminum o carbon steel o Internal By Vendor ASTM A-516 Gr.60 or 65 o Aluminum o carbon steel o

5.3.2 Adsorber Corrosion Allowance mm 2.5 complied o complied o complied oMaterial Shell/ Head By Vendor ASTM A-516 Gr. 60 or 65 o Aluminum o carbon steel o Internal By Vendor ASTM A-516 Gr. 60 or 65 o Aluminum o carbon steel o

5.3.3 After-filter Corrosion Allowance mm 2.5 complied o complied o complied oMaterial Shell/ Head By Vendor ASTM A-516 Gr. 60 or 65 o Aluminum o carbon steel o Internal By Vendor ASTM A-516 Gr. 60 or 65 o Aluminum o carbon steel o

5.4 Instrumentation5.4.1 Controller

Type PLC complied o complied o complied o Location in the Local Control Panel complied o complied o complied o

Manufacture of PLC as per Approved Vendor List SIEMENS o SIEMENS o PRIMA (*) x (*) Refer to item 1.2 of Attachment 2.1.

5.4.2 Local Control Panel No. Required (per unit) 1 complied o complied o complied o Type Self-standing or Wall mounted Wall mounted o Wall mounted o Mounted on frame o Degree of Protection IP 54 or Better (Non-hazardous) IP 55 o IP 55 o IP 54 o Panel Sunshade Requirement Required complied o complied o complied o

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VENDOR'S DATA

REMARKS

BID ANALYSIS REPORT



Air Ventilation or Vortex Cooler Required, when necessary With Vortex Cooler o not required(*) o not required(*) o(*) Components in local control panel are suitable for outdoor condition.

5.4.3 Dew Point Analyzer No. Required 1 set (common to 2 units) complied o complied o complied o

5.5 Piping

Material By Vendor Carbon steel o Carbon steel o Carbon steel o

Flanges By Vendor Carbon steel o Carbon steel o Carbon steel o

Process connections 6" ASME Class 150 RF complied o complied o complied o Corrosion Allowance mm 1.3 complied o complied o complied o

6.0 ADDITIONAL REQUIREMENTS as per SPECIFICATION FOR INSTRUMENT AIR DRYER (S-065-135A-101)

6.1 Operational Requirement one year continuous operation, minimum complied o complied o complied o

6.2 Design Requirements6.2.1 Dryer Vessels

Grids & screen (for desiccant) VTP sieve tubes o grids & screen o grids & screen oDesiccant fill and removal nozzles VTP complied o complied o complied oInitial fill of desiccants VTP complied o complied o complied oPressure Gauges VTP complied o complied o complied o

6.2.2 Pre-filters and After-filtersBypass and isolation valves VTP complied o complied o complied oAutomatic drain trap (for pre-filters) VTP complied o complied o complied o

6.2.3 Switching Valve

Type non lubricated and two way or fully proven three-way type butterfly valves o under clarification ? complied o

Position Limit Switch VTP complied o under clarification ? complied o

6.3 Control System and Instrumentation6.3.1 Moisture Analyzer____

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VENDOR'S DATA

REMARKS

BID ANALYSIS REPORT



Cable between analyzer and probe VTP complied o complied o complied oSpare probe (warehouse spare) 1 complied o complied o complied o

6.3.2 Local Control PanelLamps and Indicators VTP complied o complied o complied oPair of volt-free contacts for common trouble alarm VTP complied o complied o complied oPush button switches for start and stop VTP complied o complied o complied oPower On-Off switch VTP complied o complied o complied o

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Attachment 2.1:

Deviation and Clarification List From

ATLAS COPCO

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Attachment - 2.1 Deviations and Clarifications List of Atlas Copco

Instrument Air Dryer Packages Tangguh LNG Project Requisition No. R-215A-005 Equipment Number: 065-V-1001A/B Mark: D – Deviation (Exception), C - Clarification Vendor Name: Atlas Copco

Item No.

Specification Specification Requirement Mark Deviation / Clarification Purchaser’s Disposition

1.0 R-215A-005 Requisition for Air Dryer Package

1.1 Para. 6 Applicable Documents D Atlas Copco will use its standard and

proprietary design for Air Dryer

Package.

Acceptable.

Atlas Copco

equipment is

suited for the

purpose and

meets the

required

performance.

1.2 Attachment-7 Approved Manufacturer List D Atlas Copco will be using it’s own

qualified and experienced

sub-suppliers for all components

including instrumentation to be used in

Model CD1050 Air Dryer Package.

Acceptable.

Atlas Copco

sub-suppliers

provide

components

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Item No.


For the proposed sub-vendors of Atlas

Copco, please refer to Attachment 4.1

including

instruments of

high-grade

industrial

standards, tested

from their proven

experiences.

2.0 S-065-135A-001 Equipment Data Sheet for Air Dryer Package

2.1 Item 2.4 Drying cycle shall be 10 minutes

drying and 10 minutes

regeneration.

D Atlas Copco will be using its standard

tested design, which is 5 minutes drying

and 5 minutes regeneration. The

performance of Atlas Copco’s Air

Dryer Package is designed based on

this drying cycle time.

Acceptable.

Basically, Atlas

Copco has met

the process

requirements i.e.

product dry air

capacity and

dew point

temperature.

3.0 S-065-135A-101 Specification for Instrument Air Dryer 3.1 Para 4.7 A weep hole shall be provided at

the lowest point of the silencer to

remove rain and /or dust.

D Weep hole is not applicable in the

standard proven design of Atlas

Copco’s silencer.

Acceptable.

Atlas Copco’s

silencer with drain

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Item No.


hole is located at

the bottom of the

Air Dryer

Package wherein

rain and dust can

be removed.

3.2 Para 5.1.3 Time Cycle shall be NEMA 20

minutes (10 minutes drying, 10

minutes regeneration).

D Atlas Copco will be using its standard

tested design, which is 5 minutes drying

and 5 minutes regeneration. The

performance of Atlas Copco’s Air

Dryer Package is designed based on

this drying cycle time.

Acceptable.

Basically, Atlas

Copco has met

the process

requirements i.e.

product dry air

capacity and

dew point

temperature.

3.3 Para 5.3.2 Sufficient lamps and indicators

shall be provided on the local

panel to indicate operation

modes such as drying,

depressurizing, purging and

pressurizing for each vessel.

C Atlas Copco have standard indicator

for the modes of operation in the local

control panel.

Acceptable

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Item No.


3.4 Para 5.4.2 Painting

D Atlas Copco will use a special painting

and corrosion protection.

Three layer painting:

- Ground layer of Zinga;

DFT=100µ

- Intermediate coating of

2-comp. EPOXY; DFT=60µ

- Final coating of 2-comp. PU;

DFT 40µ

Acceptable. This

is Atlas Copco’s

standard painting

suitable for the

given outdoor

and operating

condition.

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Attachment 2.2:

Deviation and Clarification List From

AIRPACK

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ATTACHMENT 2.2 Deviations and Clarifications List of Airpack

Instrument Air Dryer Package Tangguh LNG Project Requisition No. R-215A-005 Equipment Number: 065-V-1001A/B Mark: D – Deviation (Exception), C - Clarification Vendor Name: AIRPACK

Item No.

Specification Specification Requirement Mark Deviation/ Clarification and

Remarks Purchaser’s Disposition

1.0 S-065-135A-001 Equipment Data Sheet for Air Dryer Package 065-V-1001A/B

1.1 Item 2.4 Drying cycle:

a. Drying: 10 minutes

b. Regeneration: 10

minutes

D Airpack proposed to apply their

standard Drying cycles, which are:

a. Cycle time: 10 minutes

b. Drying time: 5 minutes

c. Regenerating time: 4 minutes

d. Pressurizing time: 1 minute

Acceptable.

Basically, Airpack

has met the

process

requirements i.e.

product dry air

capacity and

dew point

temperature.

1.2 Item 4.2.2 Vendor to provide the quantity

per vessel of the desiccant in the

adsorber.

C Airpack to provide data after purchase

order is issued.

For further

clarification.

2.0 S-065-135A-101 Specification for Instrument Air Dryer

2.1 Para. 4.5 All piping shall meet international

industry codes and standards,

D Interconnecting DIN flanges shall be

applied within the skid, however, tie-in

Acceptable

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such as ASME and JIS. All piping

at tie in points shall be flanged

(ASME Class 150) and brought to

the edge of skid base.

points at battery limits will be as per ANSI

B16.5

2.2 Para. 5.1.3 The timed cycle shall be NEMA 20

minutes (i.e. 10 minutes drying

and 10 minutes regeneration),

unless otherwise specified.

D See above item 1.1

See above item

1.1

2.3 Para. 5.5 All electrical equipment or

electronic instrumentation shall

conform to industry codes and

standards, such as IEC, NEMA

and JIS.

C Electrical equipment will be according

to AIRPACK’s standard based on IEC.

Acceptable.

3.0 “S-900-13A0-001:

Specification for

Painting”

(Attachment 1 item

2.3)

Final color for the Air Dryer

Package shall be light gray (RAL

7047).

D Air Dryer Package will be painted

according to AIRPACK’s standard, i.e.

two (2) layers of a two pack, high solids

modified epoxy coating and one (1)

layer of a two pack high solid, aliphatic

polyurethane topcoat. The complete

unit will be painted in one final color

(RAL 6021). Dry film thickness will be

approximately 200µm.

Acceptable. This

is Airpack

standard

painting suitable

for the given

outdoor and

operating

condition.

4.0 “S-900-1420-001:

Instruction for Vendor

Para. 5.8 Electronic Requirements

a. 3D CAD – PDS

C AIRPACK use the following programs:

a. Microsoft Office 2003

b. Auto CAD 2000

Acceptable

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Documentation” b. 2D CAD – Microstation

c. 2D CAD – AutoCAD

d. Spread sheets –

Microsoft Excel

e. Word Processing –

Microsoft Word

c. Auto CAD 2002

d. Auto CAD 2004

e. Auto CAD 2005

f. Inventor 9 professional

5.0 “S-900-1520-017:

Quality Control

Requirements for

Vendors (Offshore)”

Requirements on testing and

inspection of Air Dryer Package.

D Testing and inspection will be done in

accordance with Airpack’s standard

Quality Test and Inspection Plan.

Acceptable.

Airpack provide

equipment and

devices of high

grade that are

tested from their

proven

experiences.

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Attachment 2.3:

Deviation and Clarification List Of

DELAIR

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Attachment - 2.3 Deviations and Clarifications List of DELAIR

Instrument Air Dryer Packages Tangguh LNG Project Requisition No. R-215A-005 Equipment Number: 065-V-1001A/B Mark: D – Deviation (Exception), C - Clarification Vendor Name: DELAIR

Item No.


1.0 R-215A-005 Requisition for Air Dryer Package

1.1 Attachment 1

Item 2.6

Vendor shall provide skid

structures/ base plates with

checker plate decking.

D Checkered plate decking is not

required for the skid of Air Dryer

Package.

Acceptable. All

valves,

instruments, etc.

are accessible at

grade level

during operation

and

maintenance.

1.2 Attachment-7 Approved Manufacturer List D Delair shall supply equipment and

instruments from the sub-suppliers as per

AML. However, Delair proposed

additional suppliers for the following:

• Check valves: Pan Korea

Acceptable.

Delair have

extensive

experience from

the proposed

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Item No.


• Fittings/flanges/piping: Van

Leeuwen

Materials from these sub-suppliers shall

be qualified and certified as per

specifications.

For the complete sub-vendor list of

Delair, please refer to Attachment 4.3.

sub-vendors in

their previous

projects.

2.0 S-065-135A-101 Specification for Instrument Air Dryer 2.1 Para. 5.4.2 Terminal block and lug for

external cables to be of

Harmonica type.

D Delair proposed to use standard Phoenix

terminals, as this is part of our standard

practice.

Acceptable. This

is Delair’s

standard and

proven design.

3.0 S-099-135A-102 General Specification for Package Equipment

3.1 Para. 2.3.1.5 Wafer style valves, other than in

water service, are not

acceptable.

D Delair quoted wafer style butterfly

valves.

Acceptable.

4.0 S-099-1370-001 Specification for General Instrumentation

4.1 Para. 4.9 Specification of “Control Valves”

99-SPE-CS-1729 (S-099-1370-006)

shall be referred for the detail

D On/off valves to be used shall be

butterfly type. Ball valves, as per

Delair’s experience, are not

Acceptable. This

is Delair standard

proven design.

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Item No.


design wherein ball type valves

shall be considered for on/off

services.

recommendable as switching valves for

this package unit because it is not

protected by filters. The desiccant

particles are extremely hard and can

penetrate between the ball and seat

and damage it. Therefore, Delair

proposed to use butterfly valves in

desiccant dryers as this problem never

arises with this type of valves.

5.0 S-099-1370-006

“Specification for

Control Valves”

All requirements for control

valves.

C This specification has not been

considered. Delair only have on-off

valves and manual valves.

Acceptable

6.0 S-900-1351-001 Specification for Pressure Vessels

6.1 Para. 4.3 Vessel shall be subject to

Inspection and registration by

MIGAS. The third party inspector

shall be MIGAS approved.

D Delair cannot comply with the MIGAS

inspection requirement as vendor is not

familiar with this.

Not Acceptable

7.0 S-900-13A0-001 Specification for Painting

7.1 Para. 10.1 A pre-start meeting shall be held

at least one week prior to

D Pre-start meeting not considered. Not acceptable.

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Item No.


commencement of the work to

discuss work plans, quality and

HSE aspects.

7.2 Para. 11.0 Material samples and test panels

to be provided by Subcontractor

will be specified by KJP and BP, if

required where necessary.

D Material samples and test panels will not

be provided by Delair. However,

Painting material specification and data

sheets will be provided.

Acceptable

7.3 Appendix 1 Painting requirements for carbon

steel and low alloy steel.

C Delair considered only one paint system

for all pressure vessels, piping and

structural steel according to para. 2.3

i.e. L1 SS. All equipment and piping will

receive one and the same color of light

gray RAL 7047. Minimum total DFT is

150µm.

Local control panel will not be painted

additionally. Panel is painted according

to manufacturer standard.

Acceptable. This

is Delair’s

standard painting

suitable for the

given outdoor

and operating

condition.

8.0 S-900-13A0-003


All requirements on rust

prevention.

D Delair proposed standard rust

prevention procedure as applied to

Acceptable.

Delair standard

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Item No.


Rust Prevention” other air dryer packages delivered to

KJP. Delair ensures that the

equipment, piping, etc., shall satisfy their

guarantees and ensures smooth

operation of the package unit without

interference from loose rust on the

equipment.

proven design.

9.0 S-900-1360-002


Piping Material Class”

Requirements on the Piping

Material Class for Air Dryer

Package, which is 1CG1U.

D Delair proposed to provide piping

materials as per their own standard.

Acceptable. This

is Delair’s

standard and

proven design for

piping.

10.0 S-900-1520-017

“Quality Control

Requirements for

Vendors (Offshore)”

Requirements on testing and

inspection of Air Dryer Package.

D Testing and inspection will be done in

accordance with Delair’s standard

Quality Test and Inspection Plan.

Acceptable.

Delair provide

equipment and

devices of high

grade that were

tested from their

proven

experiences.

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Attachment 3.1:

Experience List Of

ATLAS COPCO

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