eig template purchasers reps report 4.1 in progress

8/14/2019 EIG Template Purchasers Reps Report 4.1 in Progress

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CABLE ROUTE SURVEY REPORT

4.1 Shallow water Survey

For the

EIG

Fibre Optic Submarine Cable System

Survey conducted between 18th Nov to 27th Nov 2009

S/V. Ayat

By EIG Purchasers Representative

Chris Straley

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CONTENTS

1.1 INTRODUCTION

THE EUROPE INDIA GATEWAY SUBMARINE FIBER OPTIC CABLE SYSTEM (EIG)

EIG 4.1 - SHALLOW WATER SURVEY ZAFARANA,EGYPT

VESSEL AYAT


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1- Name: Ayat2- Length: 14.5m3- Width: 4.45m4- Gross Tonnage: 35.61 Tones.

1.2 SCOPE OF WORK

The following is the scope of work for EIG 4.1 Zafarana, EgyptShallow water survey

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Confirm the Landing site and BMH.Mobilization of the S/V Ayat for Geophysical survey (Beach Manhole 0m to20 meters water depth)

Conduct current measurement shallow water out to 20mConduct speed boat echo sounding for shallow waterComplete Landfall survey and de-mobilization of S/V Ayat

2.1

Vessel Mobilisation/ Calibrations

Prior to the start of EIG seg 4.1 survey operations, the following pre-sailingchecks and calibrations were performed:

All computer systems were demonstrated to be receiving data fromthe various positioning and survey systems. Software checks will beconducted to demonstrate the operability of the system.

Gyro calibration checks were conducted by comparison of readingstaken simultaneously with measurement of offsets from the vessels

centreline to a baseline of known azimuth on the quayside.

Towed sensors were wet tested to prove operability of the systemand of the deployment arrangements. The echo sounder (ifapplicable) transducer depth will be determined.

DGPS health check

Motion sensor health check

Installation Photos

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Transducer mount

Bridge Navigation Station

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Survey operating station

2.2 Equipment Function Checks for EIG seg. 4.1

Testing of on-line computer systems to ensure that all navigationsystems are being logged and computed with positions being displayedand plotted.

Verification of positioning systems.

Wet testing of side scan sonar to check tuning of recorder/transceiver.

Wet testing of sub-bottom profiler to check tuning ofrecorder/transceiver

Full calibration of sensors

Checking of interfacing between the on-line computer and surveysystems to ensure that echo sounder data is being logged correctly andthat sounder, sonar and profiler records are being properly annotated.

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2.3 Survey Equipment Performance (Quality & Reliability)

Upon arrival on location the EGS survey team started the mobilization ofthe S/V Ayat, all equpment was installed and in working order with theexception of the Side scan sonar Edgetech 272 TD low Freq wasunoperatable. Repair parts were dispatched from EGS office Hong Kongand repairs were completed without the loss of downtime.

The Following Equipment was provided and maintainedthrough the EIG 4.1 Shallow water project with no downtime

VESSEL: S/V AYATLocally contracted vessel.

Positioning andNavigation systems:

C-Nav GcGPS system and EGS proprietyNavigation Software.

Topography: Total station and electronic data logger.Bathymetry: MBES ELAC 1180 multibeam system (or equivalent) and

associated heave and gyro systems.

SSS Edgetech 272 TD and winch

SBP C-Boom high resolution low Voltage boomersystem (LVB)

Geophysical OperatingSystem:

C-View SDMP, geophysical acquisition andprocessing system.

Sampling: Hand held Van Veen Grab sampler

Diver Swim Survey: Diver probe and underwater video (ambientvisibility depending)

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2.4 Performance and Suitability of the Survey Vessel

The S/V Ayat had no downtime and ship was capable of completing alltasks assigned. The crew was helpful and worked well with all personnelonboard.

2.5 Performance of the Survey Personnel

EGS Survey personnel showed a high level of expertise and werecommitted to completing the EIG seg 4.1 shallow water survey in a timelyand professional manor. EGS sidescan sonar was damaged duringshipping. A quick decision to contact their office and have parts handcarried to the job site saved possible delays. The survey team stayed one

step ahead of the operation this resulting in smooth transitions in allphases of the survey.

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2.6 OTHER OPERATIONAL OBSERVATIONS

EIG SEG.4.1 LANDING AREA ZAFARANA, EGYPT

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ZAFARANA LANDING TO BMH

BMH MARKER

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Current measurementfloats

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FISHING TRAWLER AT ANCHOR NEAR LANDING SITE

NAVY JETTY

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3.1 DIARY OF EVENTS AND SUMMARY OF DOWNTIME

18 Nov 09Start Project - Mob S/V Ayat

0:00 Vessel along side

8:00 Survey team leaving from Hotel

10:45 Confirm EIG BMH by CNAV DGPS

12:00 Topo team start the landing site survey, marine team start the vessel mobilization for geophysicalsurvey

13:00 Continue the vessel mobilization

18:00 End of day


19-Nov-09


7:00 Survey team leaving from Hotel

10:45 Arrive vessel, continue the equipment mobilization

12;00 Wet test of the equipment, found the side scan sonar was not working well. Check and repair on site

13:00 Set up tide gauge at Navy jetty

17:30 The side scan sonar is working after the checking and changed two spare board

18:00 End of day, Vessel along side


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6:00 Vessel start transit to Navy jetty, survey team standby

14:30 Survey team arrive Navy jetty and onboard vessel

14:40 Start transit to site for sea trial

15:10 Sea condition is too tough for survey (NNE wind 20 knots), transit back to near Navy jetty for sea trial

15:30 Deploy C-boom and side scan into water for sea trial

15:50 Side scan sonar was not working

16:10 Recover side scan fish for checking

17:30 Back to jetty, de-mob the side scan fish to hotel for further inspection

18:00 Vessel standby at jetty


21-Nov0:00 Vessel along side

7:30 Meet dive team at the hotel lobby

7:40 Start transit to site by road

8:30 Arrive landing site, start the dive swim survey from LP to WD5m along center line

12:00 Sea condition is too tough for marine survey (NNE wind 16 knots)

13:00 Continue the dive swim survey

15:50 Complete the dive swim survey18:00 Vessel standby at jetty


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22-Nov-09


7:00 Leave from Hotel

7:30 Onboard survey vessel at Navy Jetty

7:40 Transit to site for current measurement survey

8:30On site, start the current measurement survey, three location with two "float" at KP1.5 KP2.5 andKP3.3

16:00 Complete the current measurement survey, transit back to Navy jetty

17:00 Vessel arrive Navy jetty


23 Nov 09

00:00 Vessel along side7:00 Leave from Hotel

7:30 Onboard survey vessel at Navy Jetty

7:40 Sea trial for side scan sonar fish, not working and found the fish was leaking

8:00 Checking and repair the leaking problem of the SSS fish

15:00 Fixed the leaking problem ,sea trial for side scan sonar

17:00 Completed the sea trial for side scan sonar, vessel standby at jetty


24-Nov-09



7:00 Onboard survey vessel at Navy Jetty, transit to site

8:00 Arrive site ~CH5000, bar check for echo sounder

8:30 Deploy side scan and boomer, data tuning

8:45 Start the route survey along wing ling L300 from CH5000 to CH500

9:30 Continues the route survey along wing line L225, L150, L75, CL, R75, R150, R225 and R30015:10 Re-run wing line L150 from CH500 to CH1800

15:30 Re-run CL from CH1800 to CH500

15:40 Completed nine line from CH500 to CH5000 with 500m survey corridor

15:50 Cross line at CH1000

16:00 Cross line at CH1500

16:20 End of day, bar check for echo sounder

16:30 Vessel transit back to jetty



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25-Nov-09



7:00 Onboard survey vessel at Navy Jetty, transit to site8:00 Arrive site ~CH5000, bar check for echo sounder

9:10 Cross line survey at CH5000 to CH2500, 500m spacing six lines done

9:15 Carry out grab sampling from CH500 to CH5000, 250m spacing from CH500 to CH2000 & 500mspacing from CH2500 to CH5000, total 13 # of samples.

11:15 End of geophysical survey and grab sampling

11:30 Transit back to jetty for preparation work of the speed boat sounding

12:30 Vessel along at jetty



26-Nov-09

0000 Vessel along side

0700 Leave from Hotel

0730 Onboard survey vessel at Navy Jetty, transit to site

0830 Meet speed boat on site, ~CH600 WD6m

0845 Mobilization of the speed boat

0930 Carry out the shallow water survey from WD1m to WD4m

1300 Completed the speed boat survey

1400 Vessel transit back to Jetty

1500 Vessel along at jetty

2359 Vessel standby at jetty

27-Nov-09


0800 Start the de-mobilization of the vessel1000 Off load all of the equipment from vessel

1300 Vessel off hire


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eig template purchasers reps report 4.1 in progress

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