HYPERBARIC CAMBER DIVING FOR SALES

Performing diving operations and inspection of Abadan refinery pipeline

Employer: Arvandan Institute
Project Location: Abadan
Supervision Board:Eng.Hakim Ghayyem
Start Date: May,1994
Brief Description:Stratography and hydrography operations to detect firy substances under the bed of Bahmanshir
river for deploying Abadan refinery 34" pipe and exploration of firy material from Bahmanshir river bed and preparing
stratography and hydrography plans complying with special standards to the employer.

Displacement of destructed stones from Shahid Abbaspur dam's second power plantEmployer :Khuzestan Water and Electricity Company,Ltd.
Consultant:Mashanir Consulting engineers
Project Location:Masjed Soleiman
Start Date:January,2002
Brief Description:Diving operations for displacement of destructed stones of concrete blocks in T5 & T6
intake of reservoir nearly 600 cubic meters for 4 months at depth of 65 meters underwater, was performed
by our company divers for the first time in country.

Dredging and inspection of Mahshahr gas refinery basins

Main employer :Iran National Oil Company( Amak Project )
Senior employer :Eritek company
Junior employer :Farayand Tarh Gostar company
Project Location:Mahshahr port
Supervision Board:Eng.Ensi & Khorasani
Start Date: May, 2002
Brief Description: The project was about dredging the piled sediments in 72" pipe with length of 120 meters and
middle basin and 60" pipe with length of 13 meters and main basin and lifting basin's concrete box,blocking the
sea water entry to 72" pipe and filming of all parts inside 72" & 60" pipes, and it included inspection of sea water
entry to 72" pipe situation and also survey of damage and corrosion of connections and body and walls of main
and middle basins
Dredging method : Pipe assembly with length of 120 meters underwater inside the pipe and divers mixed the
sediments with a special pump of 120 bars pressure, and with aid of another pump the dredges were directed
outside.
 

Technical inspection of underwater pipelines

Employer:Iran Natioanl Gas Company
Project Location:Ahvaz & Dezful
Supervision Board:Eng.Rahimi
Start Date:November ,1993
Brief Description:This project was intended to technical inspection and gulley of 8" and 10" pipelines which included
measuring water depth from pipe level at short intervals,gulley of river banks,reporting situation of markers and the length
of pipe which is open to air and those lengths of pipe which their support had been washed away and were suspended.
 

Diving inside the draft tube of Shahid Abbaspur dam's second power plant,unit 6

Employer: Farab company
Project Location:Masjed Soleiman
Start Date: January , 2002
Brief Description:Aim of project was cutting six plugs over the draft tube pseumetric lines and opening the draft
tube scaffolds,transmition of scaffold outside the draft tube.Checking and opening the pseumetric lines in case of
blocking.Although needing sophisticated diving operations,the project was performed successfully.
 

Surveying and inspection of intake tower of Al-Qadir Dam

Employer:Tehran Regional Water Organization
Project Location:Saveh
Supervision Board:Eng.Vali
Start Date:October, 2000
Brief Description:Aim of project was diving operations in intake tower for removing substances and materials on the
stop logs rail and checking the stop logs for perfect open and closing,full inspection of stop logs rail in different spots
and behind butterfly valves of penstock pipe and generally the length of pipe from A to C for 100 meters,taking out
any foreign body , removing sediments inside the stop log from intake tower bottom and penstock pipe which was
successfully done.

Underwater filming of intake gates of Shahid Abbaspur dam

Employer:Khuzestan Water and Electricity Company,Ltd
Project Location:Masjed Soleiman
Supervision Board:Eng. Mahmudzadeh
Start Date:February ,1997
Brief Description:This project was on filming of intake and tailwater of Second Power Plant at depth of 60 meters.
Filming of green spring for 135 minutes.This operations at such depth was performed for the first time in country.
All operations were done at night, and its our honor that with special management of the company and potentials,
with least power failure time, the operations were performed.
 

Survey of pipelines path on bed of Karoon and Bahmanshir rivers

Employer:Iran National Oil Company-Pipelines & Telecom
Project Location:Ahvaz & Abadan
Supervision Board:Eng.Asamian
Start Date:July , 1996
Brief Description:Aim of project was underwater survey and inspection of 10",16",12",26",spare 26" and 4" pipelines
in Karoon river ,ahvaz and 12",16",26",8" and three 12" pipelines in Bahmanshir,Abadan.
These operations were done in dark water of Karoon river by experienced divers; these pipellines were installed by
foreign companies

Correction of gulley of 10" pipeline

Employer:Iran National Oil Company-Pipelines & Telecom
Project Location:Ahvaz
Supervision Board:Eng.Salehi
Start Date:August , 1996
Brief Description:Aim of project was sack laying and securing 10" pipeline on bed of Karoon river,Ahvaz

Launching Jahad Bahmanshir 1&2 dredgers

Employer:Jahad Sazandegi
Project Location:Abadan
Start Date:March , 1994
Brief Description:Aim of project was launching different parts of Jahad Bahmanshir 1&2 dredgers,overall inspection
of the body of dredger,surveying of whole system and moving equipments on duck, such as anchor winches,cutter,
anchor boom,crane,anchor bolts and etc...Moving the dredger to deep part of river,error checking of the control systems
of the dredgers,installing and starting dredgers' engines of suction part and dredge removing.taking out mooring rods
in river bed.

Clearing Bahmanshir river

Employer:Bahmanshir dredging project
Project Location:Abadan
Supervision Board:Eng.Ansari & Eng.Alidadi
Start Date:1994
Brief Description:Aim of project was reluanching 14 sunk vessels(sunk during war).Bahmanshir clearing project
required removing every hard stuff and signed a contract with Arvand Diving Company.The company managed to
save these vessels and bring them to banks in the least time and brought a great experience for the company.

Repairing water entry valve to educator system

Employer:Shahid Abbaspur Dam and Power Plant Production and Utilization Company,Ltd.
Project Location:Masjed Soleiman
Supervision Board:Eng.Taheri & Eng.Mohamadzadeh
Start Date:May, 2002
Brief Description:Aim of project was prevention of water entry to dam galleries, detection and measuring dimensions
of entry gate of eductor from reservoir side,installing sealing gate on the entrance gate of eductor and tightening,
specifying the situation of eductor and locating the water leakage area,repairing the troublesome region,turning off
reservior valve ,inspection of sump eductor equipment and reservoir valve in foundation gallery.
It was for the first time that an operation was done at such depth in Iran.Some diving groups and etc. had declared
unability to do so but our company by considering all posssible dangers, took the job wholeheartedly and a great
honor was brought for the company.

Survey and inspection of Shahid Abbaspur dam and power plant

Project Title :Survey and inspection of Shahid Abbaspur dam and power plant
Employer:Shahid Abbaspur Dam and Power Plant Production and Utilization Company,Ltd.
Project Location:Masjed Soleiman
Supervision Board:Eng.Alireza Karami
Start Date:June, 1998
Brief Description:Aim of project was survey and inspection of headers of cooling pumps of unit 1&2,filming at
depth of 24 meters and slearing trash rat of Shahid Abbaspur dam power plant headers.

Inspection and hydrography of Nuclear Power Plant

Employer:Heramset Company and Russian firm
Project Location:Bushehr port
Supervision Board:Russian firm and Nuclear Power Plant
Start Date:February ,1997
Brief Description:Operations consisted of technical inspection and hydrography and preparing a plan of basin
and electric cells,prevention of sea animals,arranging the information and required plans in details.
This technical operation was confirmed by the Russian company.

Underwater filming and explosion

Employer:Omran-e-Sahel Institute(South Pars Basin Project)
Project Location:Asaluyeh port
Supervision Board:
Start Date:February, 1999
Brief Description:Underwater filming and explosion in constructed channel under sea for implementation of 56"
pipe for transmission of water to refinery installations of South Pars Gas Region which was performed
successfully .

Filming under Iran Adl ship

Employer:Islamic Republic Ports and Navigation Organization
Project Location:Imam Khomeini port
Start Date:September,1998
Brief Description:Underwater filming operation of Iran Adl ship in a short time and release the ship by Lewis
insurance agent and the ship sailed on its way to destination.

Replacement of engineroom valves of Iran Akhavan ship

Employer:Islamic Republic Ports and Navigation Organization
Project Location:Imam Khomeini port
Start Date:February , 1999
Brief Description:Sealing the water entry to engineroom on both sides of ship was done by divers.It should be
noted that some diving companies tried to do so but after some days they failed to work but an experienced
group of our company was sent to the location of ship and in 15 minutes detected the area and sealed it.
After replacement of valves again the divers removed the seal in less than five minutes.This surprised the
employer and insisted on signing a contract for a year.
 

Sealing engineroom valve of Iran Fallahi ship

Employer:Islamic Republic Ports and Navigation Organization
Project Location:Imam Khomeini port
Start Date:2000
Brief Description:Sealing two valves of engineroom by diver and after replacement of valves,the seal was
removed and was performed successfully.

Filming,taking out stop logs,clearing intake of Shahid Abbaspur dam's second power plantEmployer:Khuzestan Water and Electricity Company,Ltd
Project Location:Masjed Soleiman
Start Date:March,2002
Brief Description: 1-Filming of stones behind coffer dam and detection of tailwater stop logs
2- taking blocks 5&6 of tailwater
3-taking block 7 by means of rubin pump
4-mud cleaning and removing block 8 of stop log and cleaning
9-continue cleaning Seal Beam
10-continue cleaning seal beam and installing all parts of stop log
11-placing two wooden wedges in shaft 5
12-removing outlet stop logs
13-removing outlet stop log