Installation Crossing Procedure for Export Pipeline With Attachments

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FOROOZAN

Development Operations & Production Enhancement

Crossing Installation Procedure For Export Pipeline

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Project Facility Discipline Document Sequence Revision

FE560 GEXP PL PR 1727 D0

TABULATION OF REVISED PAGES

PAGE Revision PAGE Revision

D0 D1 D2 D0 D1 D2 1 * 2 * 3 * 4 * 5 * 6 * 7 * 8 * 9 * 10 * 11 * 12 * 13 * 14 * 15 * 16 * 17 * 18 * 19 * 20 * 21 * 22 * 23 * 24 * 25 * 26 27 28 29 30 31 32 33 34

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7.6.1. Locating the Crossing Point ... 12

7.6.2. Crossing Point Verification ... 12

7.6.3. Transfer the Mattresses to the Deck of Installation Vessel ... 12

7.6.4. Installation of Positioning Equipment ... 13

7.6.5. Installation of Rigging Items ... 13

7.6.6. Vessel Positioning On Mattress Installation Coordinates ... 13

7.6.7. Lifting and Lowering the Mattress... 13

7.6.8. Lead the Mattress to the Exact Coordinates on Seabed ... 13

7.6.9. Detach Installation Equipment ... 13

7.6.10. Continue Installation of Other Mattress ... 14

7.6.11. Perform Final Diver Visual Survey for Crossing Location ... 14

7.6.12. Preparation of Installation Reports ... 14

7.6.13. Proceed to the Next Crossing Location ... 14

7.7. INSTALLATION ENGINEERING AND CALCULATION ... 14

7.8. FINAL REPORT ... 15

ATTACHMENT 1: LIST OF CROSSINGS ... 16

ATTACHMENT 2: MATRRESS DOCUMENTS ... 17

ATTACHMENT 3: GERIMAL SPECIFICATION ... 18

ATTACHMENT 4: CRANE CHART ... 19

ATTACHMENT 5: DIVING PROCEDURE ... 20

ATTACHMENT 6: SURVEY QUALITY PLAN ... 21

ATTACHMENT 7: PROJECT TIME SCHEDULE ... 22

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FOROOZAN

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1. I

NTRODUCTION

1.1. General

Petroiran Development Company (PEDCO) intends to further develop the Foroozan Oil and Gas Fields located in Iranian waters of the Persian Gulf. The Foroozan Field is located in the Persian Gulf, approximately 100km south-west of the Kharg Island. The field straddles the Iran-Saudi Arabia border. The integrated development project foresees the construction of up to 2 new platforms (EPC 1). PEDCO has commissioned IOEC to design and construct the new Foroozan pipeline scope under the EPC 2 contract. IOEC has contracted INTEC Engineering BV for the detailed design of the submarine pipelines, risers and power-Opto cable (functional requirements by EPC 1 contractor Saipem Triune).

The new Foroozan pipelines to be installed include:

 24" Gas Export Pipeline between the Foroozan Field and Kharg Island  18" Sour Gas Transfer Pipeline between Foroozan production complexes  8" Crude Oil Test Lines to test the production of wells at Wellhead Platforms  4", 6" and 8" Gas Lift pipelines to increase production at Wellhead platforms One subsea Power-Opto cable is included in EPC2 Scope of Work, within the Foroozan Field from FZ-A to FX.

1.2. Definition

IOOC: Owner - Iranian Offshore Oil Company

PEDCO: Client - PETROIRAN Development Company

IOEC: Contractor-Iranian Offshore Engineering and Construction Company

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1.3. Abbreviation

KP Kilometer post

DSV Diving support vessel

DP Dynamic positioning

LUSBL Long and Ultra-Short Baseline

SAT Saturation diving system

1.4. Scope of this document

This document presents the requirements for the existing pipeline crossing installation activities for FOROZAN 24” export gas Pipeline. Scope of this document comprises required procedures, calculation, specification and drawings for fabrication, transportation and installation of crossings.

The document contains brief description of site in the second part and after that Mattress specification in the third part which has been supported by attachment 2. The marine fleet is addressed in the fourth part and responsibilities of key personnel presented on fifth section. The sixth part is fabrication which has been supported by mattress document presented in attachment 2. Next section is demonstration of operation sequence in offshore. Also, the detail procedure of diving and positioning activities in addition to sketches, specifications and tables are provided in attachments of this document.

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FOROOZAN

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1.5. References

1.5.1. General Specifications

1. GL Noble Denton – Guidelines for Marine Lifting Operations 0027/ND Rev9

1.5.2. Construction Procedures and Specifications

1. Pipeline Crossing Design Report FE560-0000-PL-RT-1038/D2

1.5.3. Drawings

1. Typical pipeline crossing layout FE560-0000-PL-DW-1040/D0

2. Pipeline crossing location overview FE560-0000-PL-DW-1039/D2

3. Route overview in field lines FOROZAN field FE560-0000-PL-DW-1301/D3

4. Alignment sheet FE560-GEXP-PL-DW-1301

5. Crossing support arrangement FE560-0000-PL-DW-1657/D0

Note: All basic references subject to be provided or updated by contractor. Consequently, this procedure may have major changes in upcoming revisions.

2. S

ITE

D

ESCRIPTION FOR

E

XPORT

P

IPELINE

Offshore site where installation work is to be carried out is Foroozan field, located 100 Km farther of Kharg Island. 24" Gas Export Pipeline between the Foroozan Field and Kharg Island will cross existing pipe lines and cables in abut 11 points, the approximate water depth range is from 0 to 55 meters.

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3. C

ONCRETE

M

ATTRESSES

S

PECIFICATIONS

FOROZAN pipeline crossing will be carried out by using the concrete mattresses, which will be supplied by SPEC, manufactured by ULO. Mattresses are fabricated in two types of side lift flexible, based on concrete mix table (attachment 2). One of them equipped with rubber and will be in direct contact with pipelines. The other type will be placed on top of the first type and will not be in direct contact with pipe line. Concrete density is 2400 kg/m3, class 40. Ropes are 16mm polypropylene UV resistance for lateral in addition to 20mm for longitudinal, and lifting. The dimension of the mattresses is 6m by 4m as shown in below sketch and total weight is 10.9 ton in air and 6.2 ton in water. The mattresses drawings are presented in attachment 2.

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4. M

ARINE

F

LEET

4.1. Construction and Installation Vessel

GERIMAL (Attachment 3) a DP-2 diving Support vessel has been nominated as installation vessel. The vessel has been equipped with a HITACHI KH230 built in crane with 40 tons lifting capacity and another KOBELCO CKE1350 mobile crane with 135 tons lifting capacity (Attachment 4). Also, SAT diving equipment to support operation during 24 hours is ready to use on board of GERIMAL. In addition to all above equipments, a small fabrication workshop will be mobilized to support minor fabrication activities. This vessel has enough deck space and accommodation to support operation.

4.2. Transportation Vessel

Considering design limitation and availability of vessels on market, subcontractor will use a suitable vessel to deliver the mattresses to installation site.

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5. R

ESPONSIBILITIES

O

F

K

EY

P

ERSONNEL

5.1. Superintendent

The superintendent is responsible for all installation operations; therefore, he will review and note all installation documents and shall perform the job accordingly. Any probable issue with respect to engineering has to be checked by field engineer and will be sorted out by assistance of the superintendent.

5.2. Field engineer

The Field engineer is overall responsible for monitoring mattress installation activities in accordance with engineering procedures, specification and construction drawings. The field engineer should supervise all installation jobs and issue the reports.

5.3. Diving Superintendent

The Diving Superintendent qualified & certified for all diving jobs, shall supervise the diving activities and endorse the reports which are prepared by diving team. The diving safety procedure shall exactly be followed by him according to the international codes and standards.

5.4. Survey Party Chief

As the leader of the surveying team, the party chief is responsible for all survey activities. Also, He is responsible for final reports preparation. Party chief will manage survey activities in corporation with captain and superintendent.

5.5. Vessel Captain

According to the marine rules and regulations the vessel Captain is generally responsible for the all activities which is going to be performed onboard of vessel. He is responsible through all personnel lives; therefore, he will be informed about every activity in general on daily basis and in a short brief meeting. Also the captain notifies the project coordinator all requirement of the vessel to be prepared.

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6. M

ATTRESS

F

ABRICATION

All mattresses will be fabricated by ULO, complete information about the fabrication is provided in Attachment 2

7. M

ATTRESS

I

NSTALLATION

Upon completion of the documentation, mobilization of the installation vessel, the installation vessel shall move into the field, meanwhile transportation of the mattresses shall be arranged. The installation of mattresses will be carried out by assistance of the positioning and the diving teams. The general procedures of each discipline are presented separately in attachment 5 for diving and 6 for positioning.

7.1.

Weather Criteria

The lifting and lowering operation has to be performed in safe condition. Considering the vessel, diving and crane limitations, superintendent or his deputy are responsible to make assessment regarding sea state and start of the operation in safe condition. During whole operation, the weather forecast reports shall be provided to Installation Vessel and Project Team by MET Marine Forecast.

7.2.

Survey Definition of the Crossing Points

The location of the crossing points are as shown in the Attachment.1 with the defined coordinates in reference (to be provided by contractor) prepared by (to be provided by contractor). Diver will check the location of each crossing point and existing pipelines to verify the information provided by client. In case of any nonconformity diver will try to find the pipeline within a range of 20 meter. The new data will be sent to positioning team on surface enabling them to prepare corrective report and after obtaining approval of the new point by contractor, new coordinates will be applied to continue the operation.

7.3. Mobilization

Based on the presented Project Time Schedule (attachment 7), SPEC will mobilize the DSV DP2 GERIMAL in Port KHALID, SHARJAH, UAE. The diving, positioning, and marine crew will join the vessel during mobilization. All equipment fabrication, equipment tests and trial operations will be carried out alongside the jetty and during this period.

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7.4. Transportation

As part of the project scope of work, subcontractor will mobilize the transportation vessel and load mattresses on it based on fabricator instruction. Mattresses will be delivered to installation site prior to start of the operation.

7.5. Calibration of survey equipments

Prior to installation operation the positioning team will carry out calibration operation for their equipment. The detail information for this part of the project is provided in attachment 6

7.6. Offshore Installation Sequence

Consequently, and upon completion of preparatory works and contractor permission for sail out, vessel will sail to the offshore site. The installation sequence demonstrates the main activities of the target operation and the relations between each activity. The general procedures of diving and positioning activities are attached to this document. The sequences of work when the vessel at location shall be as follows:

7.6.1. Locating the Crossing Point

As the first step of installation activity, and based on positioning team instruction, the vessel takes position on top of the crossing point defined and provided by the client.

7.6.2. Crossing Point Verification

After positioning the vessel on top of the crossing point, diver will check the exact position of existing pipe line by using beacon and assist of sector scan sonar. If diver couldn’t find the existing pipe or cable a visual survey will carry out in the range of 20 meter. This data will be sent to the surface and positioning team compares it with client data. In case of any nonconformity the operation will be held on standby for client instruction. During the verification, positioning team will record two coordinates on pipeline and use these coordinates as reference to recheck the position of pipeline.

7.6.3. Transfer the Mattresses to the Deck of Installation Vessel

After verification of the crossing final coordinate the installation vessel will go along side of transportation vessel and by using on board cranes transfers mattresses to installation vessel deck. It should be noted that the first mattress must have rubber to prevent any damage to pipeline

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7.6.4. Installation of Positioning Equipment

The positioning equipment will set up on a lifting frame prior to the lifting. This equipment contains two compatts in each side of the frame. By using these two compatts surveyors will be able to locate the exact coordinate of crossing point and match it with the proposed coordinate.

7.6.5. Installation of Rigging Items

Riggers will install the mattress lifting frame by connecting the side lifting ropes to the frame and secure the pins. On the other side the frame will be connected to the crane hook with 4 wire slings and will be prepared for lifting. The arrangement is shown in attachment 8

7.6.6. Vessel Positioning On Mattress Installation Coordinates

Positioning team will lead vessel to the coordinates, which has been adjusted according to crane geometry on the vessel and sea bed position of the crossing. In this way when the vessel stands on this position, the mattress will be lowered down directly to the final installation position.

7.6.7. Lifting and Lowering the Mattress

After confirmation of the vessel position by surveyors, lifting operation will start under supervision of the superintendent. In this part the mattress will lift off from deck and smoothly guided to the lowering position. Mattress will lower down to the sea bed up to 1.5 meter above the sea bed. The surveying team will assist superintendent, using sector scan sonar and LUSBL to monitor lowering operation real time. This device will show the relative position of the support and the existing pipe line. Meanwhile diver will monitor the arrival of mattress on sea bed and assist superintendent to start the next level of operation.

7.6.8. Lead the Mattress to the Exact Coordinates on Seabed

In this stage diver will adjust mattress position and orientation with instructions he receives from the superintendent and the surveyor on surface. Again LUSBL system gives the exact coordinates and sector scan sonar visually shows the situation. After final check and confirmation of the position by surveyors, support will lower down to the sea bed.

7.6.9. Detach Installation Equipment

By completion of the previous stage of operation the load will be released from crane and diver proceed to detach mattress from the frame. Also, the positioning equipment will be released and recovered to the surface.

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7.6.10. Continue Installation of Other Mattress

Considering the fact that most crossing location consist more than one mattress, the above operation has to be repeated for each support.

7.6.11. Perform Final Diver Visual Survey for Crossing Location

The final visual check after completion of installation will be performed to prepare a video report.

7.6.12. Preparation of Installation Reports

Different types of reports will be prepared during installation, detail information of each report provided in attached procedures. These reports comprise daily progress, activity completion or data confirmation.

7.6.13. Proceed to the Next Crossing Location

After completion of the surveys and approval of the installation condition by client, the installation vessel will shift to the next crossing location. Obviously above steps will be repeated until the whole project scope of work accomplished satisfactorily.

7.7. Installation Engineering and Calculation

Engineering calculation carried out to select proper rigging and crane. These calculations are in accordance with reference 1.5.1.1.

Below table shows the results of lifting calculation

Sling Design

Unit

Net Weight above water 10.9 ton

Net Weight under water 6.2 ton

Rigging weight 2.2 ton

Static Hook Load 13.1 -

Dynamic Amplification Factor 1.3 -

Dynamic Hook Load 17.03 ton

no. of slings 4

Skew load factor 1.25

Sling Angle 1.047198 rad

Sling Vertical Load 4.2575 ton

Sling Load 10.64375 ton

Safety Factor 2.25 -

Termination Efficiency Factor 0.5 -

Bending Efficiency Factor 1 -

Wire Rope MBL 92 ton

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These calculations are based on rigging presented in attachment 8 and using1.5 inch wire slings. In addition to above calculation the calculation regarding the mattress rope verification is provided in attachment 2.

According to installation vessel and position of the crane maximum required radius for lifting operation is not more than 16 meter. On the other hand the maximum expected load of the mattress is 13.4 tons. Consequently, as the crane chart shows (Attachment 4) the crane is suitable to handle this load.

7.8. Final report

After completion of project a complete report will be prepared based on client request. This report contains all documents, DPRs, completion reports, drawings, survey reports, etc.

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Attachment 1: CROSSINGS LIST AND ARRANGEMENTS

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Crossing Pipeline/cable ID Quantity support No. Support Type KP Easting ioec Northin ioec Easting ioec Easting hsc difference Northin ioec Northin hsc difference to Route to North Grid

FE-C01 Unknown 4+4 FE-S01 A 7.690 424921.52 3232569.47 424918.86 424957.00 -38.14 3232565.29 3232561.00 4.29 33.00 82.00

FE-C02 KHARG to LAVAN,SIRI cable 1+1 FE-S02 A/Neoprene 8.705 424372.42 3231718.20 424372.42 424372.00 0.42 3231718.20 3231718.00 0.20 33.00 93.00

FE-C03 Terminal AC2882/Oil pipeline

ARDESHIR to DARIUS 1+1 FE-S03 A/Neoprene 18.957 418814.96 3223103.16 418814.96 418815.00 -0.04 3223103.16 3223104.00 -0.84 33.00 68.00

FE-C04 Falcon-S07a-RPL-PL06-Abridged 1+1 FE-S04 A/Neoprene 69.113 391626.85 3180956.18 391626.85 391627.00 -0.15 3180956.18 3180957.00 -0.82 33.00 73.00

FE-C05 FOG cable 1+1 FE-S05 A/Neoprene 73.880 389042.86 3176950.49 389042.86 389043.00 -0.14 3176950.49 3176950.00 0.49 33.00 69.00

FE-C06 Falcon-S06b-RPL-PL01-Abridged 1+1 FE-S06 A/Neoprene 74.827 388529.03 3176153.95 388529.03 388529.00 0.03 3176153.95 3176154.00 -0.05 33.00 71.00

1 FE-S07 A/Neoprene 96.804 376609.94 3157672.59 24.00 66.00 1 FE-S08 A/Neoprene 96.804 376613.94 3157681.76 24.00 66.00 1 FE-S09 A/Neoprene 96.804 376617.94 3157690.92 25.00 69.00 1 FE-S10 A/Neoprene 96.804 376622.20 3157699.95 25.00 69.00 1 FE-S11 A/Neoprene 100.513 375075.20 3154330.30 34.00 56.00 1 FE-S12 A/Neoprene 100.513 375081.31 3154339.46 34.00 56.00 1 FE-S13 A/Neoprene 100.513 375087.42 3154348.63 34.00 56.00 1 FE-S14 A/Neoprene 101.010 374850.37 3153883.41 21.00 67.00 1 FE-S15 A/Neoprene 101.010 374854.30 3153892.61 21.00 67.00 1 FE-S16 A/Neoprene 101.010 374858.38 3153902.99 21.00 67.00 1 FE-S17 A/Neoprene 101.010 374862.01 3153912.24 21.00 67.00 1 FE-S18 A/Neoprene 101.802 374557.73 3153154.64 67.00 25.00 1 FE-S19 A/Neoprene 101.802 374561.20 3153162.94 67.00 25.00 1 FE-S20 A/Neoprene 101.802 374564.67 3153171.25 67.00 25.00 1 FE-S21 A/Neoprene 101.802 374568.14 3153179.55 67.00 25.00 3+3 FE-S22 B 101.960 374523.84 3152924.33 Support Angles

16" product flow line F-17 to FZ 374856.34 3153897.80

Client Supplied Crossing Details -24"FZA-KHARG

Sub sea Cable for LAVAN,SIRI,KHARG and BAHREGAN District

376615.94 3157686.34

FE-C08

Sub sea Cable for LAVAN,SIRI,KHARG and BAHREGAN District 375081.31 3157686.00 -4.20 FE-C11 374530.48 374531.00 -0.52 3152966.87 FE-C07 FE-C09

16" product flow line F-17 to FZ 374563.05

Crossing Coordinates 0.34 3154339.46 Support Coordinates -0.06 375081.31 -2.66 0.05 374563.00 376616.00 374859.00 FE-C10 -1.97 -4.13 3154339.46 3153167.03 3152971.00 3153169.00 3153902.00

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3+3 FE-S23 B 101.960 374227.75 3152949.70

4+4 FE-S24 A 101.960 374532.64 3152980.55

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ENTER TEST CUBE No. only when test cubes are made of the batch of concrete delivered

This document shall be completed by the onsite Supervisor during the fabrication for each type of FLXMAT listed within the SOW F-79

FLXMAT CAST __________________m

CONCRETE DELIVERY LOG

BATCH

# TRUCK ID DOCKET # VOL STARTED FLXMAT COMPLETE FLXMAT DATE CUBE REFTEST

QUALITY RECORD 2

QR2

PROJECT SPEC Ship Management Concrete Mattresses Job No. 0029-05-2010-B LOCATION Hamriyah Free Zone, Sharjah, UAE IGO SUPERVISOR Simon Jones

Serial Numbers Serial Numbers

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This document shall be completed by the onsite Supervisor during the fabrication for each type of FLXMAT listed within the SOW

PREPARATION AND SITE INDUCTION

MANUFACTURING CHECK

QUALITY RECORD 1

QR1

PROJECT SPEC Ship Management Concrete Mattresses Job No. 0029-05-2010-B LOCATION Hamriyah Free Zone, Sharjah, UAE DATE

IGO SUPERVISOR Simon Jones MATTRESS SIZE6x4x0.3m

Item Prestart Activities Check

1. New employees (if any) inducted?

2. Review with staff of latest mattress drawing to be assembled?

3. Reviewed currently location on working ITP to ensure work can commence? 4. Stock numbers checked and enough material to complete scope?

5. Daily toolbox and safety meeting

Item Assembly Activities FLXMAT SERIAL NUMBER

1. Clips placed in correct locations (Base).

2. Check correct length/width (Base).

3. Install long. Ropes and check correct rope Ø. 4. Install Lat. Ropes and check correct rope Ø. 5. Fix top shell, check positive connection with all _{clips to upper shell.} 6. Set lifting rope length as per design specification. 7. Splices are correct and within centre of mattress _{and shell.} 8. Recheck all clips and screw any broken or _{insufficient clips.} 9. Lay mattress on PVC sheet checking ground for _{loose debris.} 10. Clearly mark mattress according to Execution _Plan.

Item Casting Activities

11. Check concrete truck docket and note truck _{number discharged into mattress.} 12. Fill each shell with concrete and vibrate _carefully.

13. Trowel tops off neatly and wash down all blocks _{with water including lifting ropes.} 14. Check FLXMAT shells for any openings or _{excessive distortion.} 15. Leave mattress to cure for 3 days prior to _{stacking or relocating}

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Lifting & Placing Frame

ULO No : LPF 009, LPF 011, LPF 012, LPF 013

Capacity (SWL) : 25 Tons

Self Weight : 2.0 tons

O’All Dimensions : 6020 W x 3000 / 2000 D x 1040 H

©, ULO Systems LLC, 1 June 2001

Working Dimensions are shown in Millimetres – as required ON DECK

POWER WATER AIR

NIL NIL NIL

ULO Policy on Testing Equipment and certified by 3

rd

party

Load Test to 2.5 times SWL at New Fabrication Visual Inspection: Every 12 months

Lifting Slings & Wire Rope as per DAC 2006. LOLER 1998 and article (20) decree32, 1982 Non Destructive Test at New Fabrication

Visual Inspection : Every 6 months

This photograph is indicative of the equipment for the above description but ULO Systems LLC reserve the right to make any alterations deemed necessary.

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Page 1 of 4

PROJECT QUALITY PLAN

F-064-D

W = WITNESS (Notification Required)

I = INSPECT A = APPROVAL H = HOLD POINT R = REVIEW OF DOCUMENT M = MONITOR S = SAMPLE REQUIRED

CLIENT = SPEC Ship Management SSM IGO = International Grout Operations INC SS = Onsite Supervisor

Eng = Project Engineer Mgmt = Project Management

PROJECT INSPECTION AND TEST PLAN

QUALITY ASSURANCE SYSTEM

PROJECT SCOPE

PURCHASE ORDER NO: ITP No.:

SPEC Ship Management Concrete Mattresses  30No. 6x4x0.3m Concrete Mattress (Standard)  23No. 6x4x0.3m Concrete Mattress with Rubber base 10205PO-01

FLX-ITP-0029-05-2010-B - REVA

Prepared By: Jackson Dryne

Signed: Date:

Approved By: Harvey Lee

Signed: Date:

Client Approval By:

Signed: Date:

ITEM

No. INSPECTION ACTIVITY PREP’DBY ACCEPTANCE CRITERIA RECORD FORM DOCUMENT/ COMMENT

INSPECTION SURVEILLANCE

CODE

IGO Client Asset 1.0 PRE-EXECUTION ACTIVITIES _{W = WITNESS, I = INSPECT, H = HOLD POINT, R = REVIEW OF DOCUMENT, M = MONITOR}

1.1

Mattress Construction Drawings

0029-05-2010B-DWG-071110-01-REVA (No rubber)

0029-05-2010B-DWG-071110-01-REVC (Inc rubber) IGO Eng Client Approval H R, A A

1.2 Lift Rope Verification IGO Eng Client Approval FLX-ENG-LIFT Calculation in accordance to _{DNV Pt 2, Ct 5} H R, A

1.3 Execution Plan IGO _Mgmt Client Approval FLX-EP-0029-05-_2010-B H R, A

1.4 Rope Certification IGO _Mgmt Item 1.2 ITP _{DNV Pt 2, Ct 5} Vendor Supplied _{Certification} H R, A

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PROJECT QUALITY PLAN

F-064-D ITEM

No. INSPECTION ACTIVITY BY ACCEPTANCE CRITERIA RECORD FORM DOCUMENT/ COMMENT

CODE IGO Client 2.0 SITE ESTABLISHMENT _{W = WITNESS, I = INSPECT, H = HOLD POINT, R = REVIEW OF DOCUMENT, M = MONITOR}

2.1 Supervisor reviews all documents within Section 1.0 of ITP _{with Project Manager.} IGO _SS Section 1.0 ITP all _approved ITP, DPR R 2.2 Check component stock and ensure sufficient quantities are _{onsite in order to complete scope of work} IGO SS/

MGMT DPR

Record stock levels within

DPR I

2.3 Select suitable FLXMAT assembly and casting area IGO _SS Section 4.2 _{Execution Plan} I

2.4 Completion of Personnel Site Induction including Tool _{Box Safety Meeting} IGO SS Execution Plan DPR M

3.0 FLXMAT ASSEMBLY _{W = WITNESS, I = INSPECT, H = HOLD POINT, R = REVIEW OF DOCUMENT, M = MONITOR}

3.1 FLXMAT shells are laid out and clipped together. The bottom half of the mattress is clipped together until the

length and width match that of the construction drawing. IGO SS

Mat Dwg,

Execution Plan QR1 I, A R

3.2 Lateral and longitudinal ropes are pre-cut. IGO SS Mat Dwg, _{Execution Plan} QR1 I, A M

3.3 Lateral and longitudinal ropes are installed throughout the _{bottom half of the clipped mattress.} IGO SS Mat Dwg, _{Execution Plan} QR1 I, A M 3.4 Rope ends are terminated using an open splice toward the _{centre of the mattress and shell.} IGO SS Mat Dwg, _{Execution Plan} QR1 I, A M 3.5 If design includes edge lift ropes then these should be installed as per instruction noted on mattress construction

drawing. IGO SS

Mat Dwg,

Execution Plan QR1 I, A M

3.6 Lifting ropes are set to designed length. IGO SS Mat Dwg, _{Execution Plan} QR1 I, A M

3.7 Top shell is fixed to the bottom shell creating complete _block. IGO SS Mat Dwg, _{Execution Plan} QR1 I, A M

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PROJECT QUALITY PLAN

F-064-D ITEM

CODE IGO Client

3.9 Mattress is clearly marked according to Section 5.4 of _{Execution Plan} IGO SS Section 5.4 of _{Execution Plan} QR1 I, A M

4.0 FLXMAT CASTING _{W = WITNESS, I = INSPECT, H = HOLD POINT, R = REVIEW OF DOCUMENT, M = MONITOR}

4.1 Concrete delivery to site in mixer trucks. Check, approve _{and collect delivery receipt.} IGO SS Section 4.4 of _{Execution Plan} Concrete delivery _{docket, QR2} I, A M

4.2 Discharge concrete and fill mattresses. Record mattress _{serial number each truck commences and finishes on.} IGO SS QR2 M M

4.3 Cubes are made at concrete batching plant (6 No. per _{truck) and crushed at 7 & 28 day (3 No. per test).} 3rd_Party

Section 5.2 of Execution Plan, ASTM C109, BS 1881 Part 108 1983 Vendor Supplied Report M M

4.3 Cast blocks, screed off top and wash down to complete fabrication. Check FLXMAT shells for any openings or

excessive distortion. IGO SS

Section 4.4 of

Execution Plan QR2 I, M M

4.4 Confirm Number of Cast Mattress – Daily activity IGO SS DPR I, M M

4.5 Record of Daily progress onsite including man hours and _{any lost hours activities, accidents or industrial dispute.} IGO SS DPR M M

5.0 FLXMAT STORAGE AND HANDLING _{W = WITNESS, I = INSPECT, H = HOLD POINT, R = REVIEW OF DOCUMENT, M = MONITOR}

5.1 3 Days curing of mattresses IGO SS Section 4.5 of _{Execution Plan} M

5.2 Stacking of mattress using correct SWL handling frame and _{rigging equipment} IGO Eng Section 4.5 of _{Execution Plan} I 5.3 Mattresses should be stored in a shaded/covered area for _{long periods (greater than 3months).} IGO _Mgmt Section 4.5 of _{Execution Plan} M

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Page 4 of 4

PROJECT QUALITY PLAN

F-064-D ITEM

CODE IGO Client 6.0 INSTALLATION FRAME ACTIVITIES _{W = WITNESS, I = INSPECT, H = HOLD POINT, R = REVIEW OF DOCUMENT, M = MONITOR}

6.1 Mattress Rigging and Installation Procedure IGO Eng Client Approval FLX-IP-0029-05-_2010-B M R, A

6.2 Installation Frame inc Mattress drawing IGO Eng Client Approval M R, A

6.3 Installation Frame and Rigging certification documents IGO Mgmt, 3rd_Party

Client Approval

Frame and rigging certification witnessed by 3rd

party

M R, A

6.3 Submission of MRB (Manufacturer Record Book) IGO _Mgmt Section 7.0 of _{Execution Plan} MRB M A

7.0 POST EXECUTION ACTIVITIES _{W = WITNESS, I = INSPECT, H = HOLD POINT, R = REVIEW OF DOCUMENT, M = MONITOR}

7.1 Delivery Mattresses to Client IGO _Mgmt Purchase _Agreement Delivery Docket M M

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Document No: FLX-EP-0029-05-2010-B

Document Title:

Precast Concrete Mattress

EXECUTION PLAN

A 22/11/10 Issued for client approval JD HL

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Execution Plan

Page: 1

Execution Plan

Page: 2

1.0 INTRODUCTION

The purpose of this document is to provide International Grout Operations with a suitable procedure to cover all necessary standards, specifications and methodologies required to successfully manufacture FLXMAT (pre-cast concrete mattress) to client specification.

2.0 REFERENCES

2.1 APPLICABLE CODES AND STANDARDS

FLXMAT may be used to provide support or stabilisation to the subsea pipelines or other locations or instances described in the project specific scope of work. The necessary standards to be used in conjunction with the fabrication of the mattresses are given below:

Code or Standard Title Remark

BS 1881 Pt 108 Methods for Testing Concrete Method of Making Test Cubes from Fresh

Concrete Followed by CONMIX LTD

BS 1881 Pt 111 Methods for Testing Concrete Method of Normal Curing of Test

Specimens (20ºC Method) Followed by CONMIX LTD

BS 1881 Pt 116 Methods for Testing Concrete Method for Determination of the

Compressive Strength of Concrete Cubes Followed by CONMIX LTD

BS 4027 Specification for Sulphate Resisting _{Portland Cement} Followed by CONMIX LTD

BS 5328 Methods for Specifying concrete _{including Ready Mixed Concrete} Followed by CONMIX LTD

ASTM C33 Specification for Concrete Aggregates Followed by CONMIX LTD

ASTM C39 Test Method for Compressive Strength of Cylindrical Concrete

Specimens Followed by CONMIX LTD

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Execution Plan

Page: 3

2.2 INTERNAL QA/QC DOCUMENTS

Quality Assurance is overseen on site by an experienced International Grout Operations representative throughout the duration of the project. The Supervisor will ensure the correct Quality Checks have been made to each individual mattress guaranteeing the final product matches client request stated within the purchase agreement.

IGO Documentation Description Remark

IGO DPR _{Daily Progress Report} _{Daily event recordings onsite}

IGO ITP Inspection Test Plan – Project

Specific

IGO QAQC Plan QR1 – Quality Report 1 (Assembly checklist) QR2 – Quality Report 2 (Casting checklist)

2.3 PROJECT SPECIFIC ENGINEERING DOCUMENTS

FLXMAT Engineering is conducted in house using International Grout Operations Engineers. Mattress design and Engineering is always complete and agreed with client prior to construction commencement. The following documentation refers to client requested specific engineering requirements.

IGO Documentation Description Remark

FLXMAT Construction Drawings

- 0029-05-2010B- DWG-071110-01-REVA (No rubber) -

0029-05-2010B- DWG-071110-01-REVC (Inc rubber)

Approved FLXMAT drawing for construction

Construction does not commence until client has approved final design. See ITP for more details

IGO Lift Rope Verification FLX LIFT

Calculation to verify lifting point conform to DNV Rules for Planning

and Execution of Marine Operations (1996) – Part 2 Ch 5/6

2.4 EXTERNAL CERTIFICATION AND DOCUMENTATION

FLXMAT is made from 3 main components (HDPE Mould, PP Rope and Concrete). Rope Mill Test Certification is very important so that International Grout Operations Engineers can verify the correct rope has been used according to DNV Pt2, Ch5. Polypropylene Rope is purchased specifically for each project from an approved vendor. Similarly, concrete is purchased and delivered onsite by preferred supplier. Delivery dockets are collect by the supervisor and recorded. Concrete compressive strength tests are conducted at vendor’s laboratory. Final results from laboratory tests are sent to International Grout Operations and filled accordingly. The following summarises relevant external documents

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Execution Plan

Page: 4

Document Description Remark

Polypropylene Mill Test Certificate

Certificate that proves a specific rope diameter Minimum Breaking Load (MBL)

Required to ensure FLXMAT lifting rope conform to DNV Pt2, Ch5 Concrete Mix Design

1 page document that includes all relevant properties including strength, type of cement, slump aggregate size etc..

Mix design is required to be pre-approved by client prior to commencement of FLXMAT casting. Concrete Delivery Dockets Delivery receipt to confirm grade and volume of concrete entering

site. Compressive Strength

Tests

A test conducted whereby sampled cylinders are cast and crushed at certain period of curing.

See Section 2.1 for applicable codes and standards for testing.

3.0 SCOPE OF WORKS

The following table represents the physical requirements for each type of FLXMAT to be constructed. FLXMAT Qty End/Side _Lift Long. _{Rope Ø} Lat. _{Rope Ø} Concrete _Mix Drawing Ref

6x4x0.5m 30 END 22mm 16mm C13DNS 0029-05-2010B-

DWG-071110-01-REVA

5x3x0.3m 23 SIDE 16mm 16mm C13DNS 0029-05-2010B-

DWG-071110-01-REVC 4.0 FLXMAT MANUFACTURE ACTIVITIES

4.1 PRE-EXECUTION ACTIVITES

Prior to the execution program the final design and price is agreed upon and a purchase order is received by International Grout Operations outlining a date for completion or mattress delivery. The project manager will then organise freight of components (if necessary) schedule a starting date. An experienced supervisor is nominated and sent to location for site establishment. Work will continue to finalise all relevant documentation necessary to commence work according to International Grout Operations quality procedure.

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Execution Plan

Page: 5

4.2 SITE ESTABLISHMENT

Upon the supervisor arriving to site a project brief is given from the project manager outlining the scope of works. All approved documentation is given to the supervisor in order to commence the fabrication according to this Execution Plan. The supervisor will firstly check all stock numbers of shells, clips and rope to ensure there are enough quantities of each to complete the order. If the quantities are incorrect the Supervisor will alert the Project Manager immediately to rectify the situation. The supervisor should have the following items in mind when initially setting up site.

 Suitable area for FLXMAT Assembly

o Select shaded or enclosed area if possible (avoids heat exhaustion)

o Select high ground is possible (avoids potential flooding, which is uncomfortable to staff) o Enable forklift entrance/exit if possible (reduces heavy man handling of objects)

 Suitable area for FLXMAT Casting

o Fall of land when considering flooding (water must run away from work area) o Monitor unsettled dust during windy conditions (risk of eye injury to staff) o Avoid any rocky outcrop or remove if possible (reduces the risk of trip hazards)

o Sufficient room for concrete trucks entering/exiting site (traffic management and safety) 4.3 FLXMAT ASSEMBLY

Following points refer to assembling each mattress up until casting.

1. FLXMAT shells are laid out and clipped together either on ground level or on specially built clipping tables.

2. The bottom half of the mattress is clipped together until the length and width match that of the construction drawing.

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Execution Plan

Page: 6

3. Lateral and longitudinal ropes are pre-cut to determined length as noted on the construction drawing.

4. Lateral and longitudinal ropes are installed throughout the bottom half of the clipped mattress according the roping detail shown on construction drawing.

5. Lifting ropes are set to designed length as per construction drawing. Perimeter top shells are fastened first in order to contain rope lattice.

6. Rope ends are terminated using an open splice which should always be positioned toward the centre of the mattress and centre of shell. If design includes edge lift ropes then these should be installed as per instruction noted on mattress construction drawing.

7. Once all longitudinal and lateral ropes are tight remaining central blocks are clipped together to complete the mattress. Shells must be positioned carefully to locate each clip’s top half ensuring a positive connection.

8. The mattress is then lifted and relocated to the casting area via folk lift or a team of men. The mattress is carefully positioned on polythene sheet. The newly laid mattress is inspected and undergoes QR1 (Quality Record 1). QR1 is a set of quality checks required to be carried out prior to casting each mattress. On approval of QR1 the assembled mattress is clearly marked according to Section 5.4.

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Execution Plan

Page: 7

4.4 FLXMAT CASTING

1. Concrete is ordered by Supervisor ensuring the correct mix design is conveyed to the nominated vendor. The quantity is calculated based on the number of empty mattresses anticipated to be cast.

2. The concreting team prepare the initial casting location with shovels, trowels, vibrators, wheelbarrows, shadow boards and buckets.

3. The concrete truck is directed to drive alongside the assembled mattresses with chute full extended to aid filling distant blocks. The shadow boards mask all areas not requiring concrete guiding flow directly into each block.

4. Each mattress block is vibrated until full and no additional settlement is noticed.

5. Shadow boards are continually relocated as the process moves forward allowing the finishing team to trowel off the newly filled mattress and wash down any excess concrete. Lifting rope shall be washed free of any concrete spillage.

6. The mattress should be allowed to cure for a minimum of 3 days prior to lifting or confirmation of min. 14 MPa strength.

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Execution Plan

Page: 8

4.5 FLXMAT STORAGE AND HANDLING

1. Mattresses are only lifted with a suitable lifting frame of known capacity. Prior to lifting the supervisor will check with International Grout Operations Engineering that nominated frame and rigging is suitable to lift cured mattresses.

4.6 ONSITE SAFETY REQUIREMENTS

All personnel shall attend any required site induction program to become familiar with the site and client method of operation. Personnel shall comply with all client rules and regulations. Company equipment includes a comprehensive first aid kit. Personnel will be briefed during the initial site induction on the hazards of manufacturing FLXMAT and handling cement products. The IGO supervisor will be responsible for site safety and conduct regular toolbox meetings with all personnel

The following PPE (Personal Protective Equipment) is required for the 3 Manufacturing activities outlined above.

Manufacturing

Activity Minimum PPE Requirement Optional

FLXMAT Assembly Covered steel capped boots, coveralls and sun protection. Gloves FLXMAT Casting Covered steel capped boots, eye protection, coveralls, _{gloves and sun protection and gloves} Hardhat FLXMAT Handling Covered steel capped boots, eye protection, coveralls, _{gloves and sun protection, gloves and hardhat}

5.0 FLXMAT QA/QC ACTIVITIES

5.1 FLXMAT QUALITY PROCEDURE

Prior to commencement of manufacturing (PRE-EXECUTION) the following documentation must be approved by client.

 Inspection Test Plan

 Mattress Construction Drawing  Lift Rope Verification

 Execution Plan  Rope Certification  Concrete mix design

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Execution Plan

Page: 9

During assembly and casting activities the quality of FLXMAT is built around the ongoing surveillance of the below documents. Project activities are monitored by International Grout Operations and/or Client depending on the rank of the inspection surveillance code listed within the approved ITP.

 QR1 (Quality Record 1)  QR2 (Quality Record 2)  Daily Progress Report (DPR)  Concrete delivery docket

 Concrete Compressive Strength Results  As-Built weight records

In summary to maintain an organised quality program the following chart describes the simple process. Approve and file

Result

Follow Surveillance Codes

5.2 FLXMAT CONCRETE TESTING

Concrete vendor will take 12No. test cubes each day from random trucks delivered to casting yard (6No. cubes are allocated for each 7 day and 28 day tests respectively). All test cube samples are taken at the batching plant and stored in the dedicated laboratory where all testing is performed.

5.3 FLXMAT MARKING PROCEDURE

Each precast concrete mattress shall be permanently marked with the following data:  Individual Serial Number

 Contract Number  Weight in Air APPROVED WORKING

ITP

PRE-EXECUTION DOCUMENTS ASSEMBLY AND CASTING DOCUMENTS QUALITY PRODUCT

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Execution Plan

Page: 10

6.0 INSPECTION AND REPAIR PROCEDURE

During assembly of the mattresses all shells and clips are inspected for faults. If a shell has any cracks or is deficient they are immediately discarded, and similarly clips are discarded if they are deficient. Any clips that are not holding shells together satisfactorily are reinforced with screws.

After casting all mattresses are inspected by the International Grout Operations site supervisor and the inspection details are recorded within QR1. The mattresses are checked for any casting deficiencies that may compromise integrity. If after curing the mattress integrity is found to be affected or faults exist that impinge safe handling or risk mattress longevity, it will be discarded immediately.

7.0 FLXMAT DELIVERABLES

The following documents make up and complete the Manufacturer Record Book (MBR) Manufacturer Record Book

1.0 FLXMAT Execution Plan 

2.0 FLXMAT QA/QC Records 

2.1 Signed ITP 

2.2 Compiled QR1 (Quality Report 1) 

2.3 Compiled QR2 (Quality Report 2) 

2.4 Concrete Delivery Dockets 

2.5 Concrete Compressive Strength Test Results 

2.6 As-Built Weight Records 

2.7 Onsite Daily Progress Reports (DPR) 

3.0 FLXMAT Engineering 

3.1 Concrete Mix Design 

3.2 Mattress Construction Drawings 

3.3 Lift Rope Verification 

4.0 FLXMAT Rigging and Installation Procedure 

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MATTRESS LIFTING ROPE VERIFICATION FLX-ENG-LIFT

Client: SPEC Management LLC

Project:

Project Number: 0029-05-2010B

Date: 7/11/2010

Introduction:

The following calculations assess the mattress rope MBL for offshore lifting and are completed in accordance with DNV Rules for Planning and Execution of Marine Operations (1996) - Part 5&6

Variables: Remark

Load Factor [γf] Assume 1.3

Consequence Factor [γc] Assumed 1.3 whereby sling failure would not incur a total loss Splicing/Bending Factor [γr] Assumed 1.0 when splice consumed in concrete block

Wear Factor [γw] Assume 1.0

Material Factor [γm] Assume 3.0 for fibrous rope

Maximum Breaking Load [MBLActual] Actual Maximum Breaking Load of the rope supplied

Methodology:

The minimum required MBL is calculated by the following:

MBL required = Maximum Dynamic Rope Load x Nominal Safety Factor

Maximum Dynamic Rope Load is back calculated from rope properties and lift geometry

Dynamic load = (Mattress mass [MT] x DAF x Skew load)

Nominal Safety Factor [γst]

- γst = γc.γr.γw.γm.γf Finally for the lifting rope to be safe the following equation must be satisfied

53No. 6x4x0.3m Concrete Mats

Factor of Safety [FOS] ≥ MBLSpecified / MBLRequired Calculation:

Mattress Properties Mattress Particulars

Shell type [T1 or T2] Block volume [Vb] 0.047 m3

Mattress Width [MW] 4 m Block mass [Mb] 113 kg

Mattress Length [ML] 6 m Total mattress volume (VT) 4.53 m3

Mattress Height [MH] 300 mm Total Mass of Mattress [MT] 10.87 t

Concrete Density [ρc] 2400 kg/m3 Total Submerged Mass [MSUB] 6.23 t

Concrete Grade (Min) 40 MPa Lift Rope Particulars

Nominal Safety Factor 5.070

Lift Rope Properties

Type of Rope Lifting Particulars

Diameter of Rope [Dr] 22 mm Dynamic load 23.13 t

Angle of Sling [θs] 20 ° Required MBL 3.66 t

Consequence Factor [γc] 1.3 FOS (Over Designed by-) 1.856 PASS

Splicing/Bending Factor [γr] 1.0

Wear Factor [γw] 1.0

Material Factor [γm] 3.0

Load Factor [γf] 1.3

Breaking Load [MBLActual] 6.8 Te

Lifting Properties

Dynamic Amplification Factor [DAF] 2.00

7/11/2010 JD Date By Checked T2 PRE-PROCESSOR POST-PROCESSOR Approved Polypropylene Revision Issue

0 Issued for Approval

Date By Checked Approved

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FOROOZAN

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FE560 GEXP PL PR 1727 D0

(63)

Halani International Ltd

.

DSV Gerimal

Particulars given are entirely without warranty as to correctness and interested parties must satisfy themselves by inspection of the vessel

PRINCIPAL PARTICULARS

Registry : Kingstown St. Vincent Call Sign : J8B3528

Official No. : 10001

Year Built : 1981-Refurbished in Aug 2007 Class : American Bureau of Shipping Notation : ?A1, ?AMS, ?DPS-2

Type : Diving Support /accommodation 76 Pax Vessel Class No. : 8125016

IMO No. : 7932240

Hull No. : 837

Flag : St. Vincent & Grenadines, Kingstowns

DIMENSION Length Overall : 76.14 m Moulded Breadth : 16.4 m Depth Moulded : 4.90m Draftc : 4.00 m GRT : 2008 Mt NRT : 602 Mt Deadweight : 954 Mt DISCHARGE RATES Fuel Oil : 97m3 _/hour

Fresh Water : Not known Mud : delete no mud tanks

PROPULSION SYSTEM

Main Engine : 2 x Guleco DC Motors Main Generator : 5 x 900 Kw, 600V, 60Hz Emergency Genset :

Propeller : 2 x 5Blade, Fixed pitch 102” in Kort Nozzle Bow Thruster : 4 nos. Fwd: 2nos:- 1 x GEI 752 Kamewa

Ulstein

Transverse T Thruster, TT 1300, 500KW. electric drive, 485kW Stern 2nos:-2 x Kamewa Ulstein Transverse, TT 1300, 500KW

PERFORMANCE

Maximum speed :8.0 kn Economical speed : 7.0 ln Type of fuel :Marine Gas Oil

FIRE FIGHITING EQUIPMENT Internal

Fire Pump : 14M 3 (3800USG Per/M)

Emer. Fire Pump : 24 M 3(6400USG Per/M) Fixed System in E/R: C02

Firemain : 2”

Fire Detection Sys. : Heat & Smoke detectors

Fireman’s Outfit : 4 nos Fire Blankets : 2 nos

Fire Axe : 2 nos

NAVIGATIONAL /COMMUNICATION EQUIPMENT

GMDSS SSB : 1 x Sailor HT 4500MF/HF VHF DSC : 2 x Sailor RT2058

Inmarsat -C : 2 x Sailor H2095C transceivers Satellite Comms : FLEET 77

Tel – 00873 761155141 Fax –00873 761155142 Satellite EPIRB : 1 X McMURDO E-3

SART :2McMURDO RT9-3

VHF Radio : 3 x Sailor Compact Rt2048 Portable VHF Radio : 6 x Motorola GP 340 : 3 x ICOM IC GM 1500E Navtex Receiver : 1 x JMC NT-900 X-Band Radar : Furuno FR 2115 Echo Sounder : Koden CVS 118 Mk II Gyrocompass : 3 x Sperry mk 37

Weather Fax : 1 x Furuno Fax-207,8” delete not fitted Speed Log : Delete, none fitted

Magnetic Compass : Saura keiki

AIS :JRC KHS 182

ACCOMMODATIONS

Berths : 76Berth

Hospital : 1 bed complete

CARGO CAPACITIES Deck Strength : 10 t/m2 Clear Deck Area : 650 m2 Fuel Oil : 502.4M3 Fresh Water : 794.0 M3 Ballast/Drill Water : 473.9 M3 Freezer : 10 m3 Chiller : 9.5 m3 Mud : Delete

DP2 DYNAMIC POSITIONING SYSTEM

DP System : KPOS DP 21, Dynamic Positioning System KPOS-2 3 Gyro compass 2Wind Sensor 3MRU 2DGPS 2UPS 1 LW TAUTWIRE MK15 1 HIPAP – 450 2K-POS – OS 2 JOY-OT C WING - OT

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Halani International Ltd

..

DSV Gerimal

Particulars given are entirely without warranty as to correctness and interested parties must satisfy themselves by inspection of the vessel

DECK EQUIPMENT

Windlass : IP 66 / IM 10001 Anchor : 2 x 1.18t

Anchor Chain : 9 shackles each side Main Crane : 40t @ 5.5 m 18t @ 9.0m 6.5t @ 20.0m 4.7t @ 24.0m Auxiliary Crane : 0.5t Gangway : 1 Nos

LIFE SAVING APPLIANCE

Search Lights : 3 nos Floodlights : 2 x overboard Liferafts : 4 x 45 persons

6 x 25 persons

Lifebuoys :12Ring Buoys with smoke floats and signal lights Life jackets : 150 Ncs

Rescue boat : 1 x Watercraft R-5 Air Breathing App : 4 nos

EEBD : 6 nos

Parachute Distress : 12 Smoke Signal : 6

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FOROOZAN

Document Number

Sheet NO.

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FE560 GEXP PL PR 1727 D0

Installation Crossing Procedure for Export Pipeline With Attachments

Document Number

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Document Number

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TABLE OF CONTENTS

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1.

I

1.1. General

1.2. Definition

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1.3. Abbreviation

1.4. Scope of this document

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1.5. References

2.

S

D

E

P

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3.

C

M

S

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4.

M

F

4.1. Construction and Installation Vessel

4.2. Transportation Vessel

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5.

R

O

K

P

5.1. Superintendent

5.2. Field engineer

5.3. Diving Superintendent

5.4. Survey Party Chief

5.5. Vessel Captain

Document Number

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6.

M

F

7.

M

I

Weather Criteria

Survey Definition of the Crossing Points

7.3. Mobilization

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7.4. Transportation

7.5. Calibration of survey equipments

7.6. Offshore Installation Sequence

Document Number

Sheet NO.