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New repair method of heavy machinery and equipment foundation, exemplified by the GMVH-12 motor compressor.
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Branch Office: Gas Company of Jarosław

Polskie Górnictwo Naftowe i Gazownictwo S.A. of Warsaw
Branch Office: Gas Company of Jarosław
37-500 Jarosław, ul. Krakowska 54
tel.: switchboard: (016) 621 58 61 to 67
fax: (016) 621 41 87

Jarosław, December 20, 1999


This is to certify that Zakład Konstrukcji i Ekspertyz TECHMARIN Sp. z o.o., ul. Karsiborska 4a, 72-600 Świnoujście, has performed repair services for us since 1995.

The co-operation between our companies began with a very difficult and critical repair of foundations for our GMVH-12 motor compressor no. 7 at the Gas Pumping Facility of Maćkowice. The job was performed on the basis of a unique repair method developed by TECHMARIN. By and large, the method involved the removal of the compressor (weighing approximately 85,000 kg) from a reinforced concrete block to a temporary support structure, the cutting off of the cracked top layer of the reinforced concrete block, drilling approximately 60 holes (600 mm deep with a diameter of 62 mm) for coupling bolts in the steel frame and casting chemically cured EPY compound chocks to be placed between the reinforced concrete block and the foundation frame and between the compressor base and the metal foundation frame.

TECHMARIN additionally performs other specialised repair and overhaul work. To date, in addition to the above-mentioned projects, the Company has performed the following work in our gas pumping facility:
replacement of foundations under GMVH-12 compressors Nos. 3, 4, 5, and 6 at the Maćkowice Gas Pumping Facility,
development of a technology for the removal of stone sediment in internal channels of turbocharger casings in GMVH and 10GKNA compressors and the technological project of sediment removal,
replacement of fastenings of pipelines, collectors and gas piping for compressors and KING TOOL gas filters at the Jarosław I Gas Pumping Facility,
repair of compressor unit (compressors nos. 1, 2, 3, and 4 at the Żurawica Gas Pumping Facility) (including the repair of foundations, the repair of mechanical subassemblies, the production of shaft slide-divided bearing bushings, alignment of compressor-gear transmission-engine units),
production and assembly of pipeline and GMVH-8 compressor antifluctuation bottle handles at the Jarosław I Gas Pumping Facility,
production and assembly of supports for the pressure pipeline and GMVH-6 compressor antifluctuation bottle handles for the Lubaczów Gas Pumping Facility,
delivery of 12" and 131" (250 mm in diameter) gas cylinder sleeves and their installation in cylinders with the use of liquid nitrogen at the Maćkowice, Jarosław II and Lubaczów Gas Pumping Facilities,
replacement of fastenings on gas pipelines and gas filter supports in front of the pumping facility hall of the Maćkowice Pumping Facility,
repair of foundations under GMVH-8 compressors nos. 1, 2, 3, 4, 5, and 6 in the Jarosław I Gas Pumping Facility.

We are pleased to provide a positive opinion of the work performed by TECHMARIN. In addition to the results produced, our good opinion reflects the Company's:
good organisation and technical preparation,
timeliness and high service quality,
competence, professionalism and reliability of personnel,
constructive co-operation,
flexibility in responding to requests and an ability to cope with changes of specifications made in mid-project,
adherence to work schedules.

It should also be noted that TECHMARIN is capable of handling difficult jobs and operate in explosion hazard environments in operating plants.

One consideration we believed to be important is that members of the Company's supervisory services hold certificates attesting to their qualifications to operate equipment, installations and grids at supervision stations. In particular, such credentials allow them to work with gas transfer grids at pressures above 0.4 Mpa (pipelines and gas pumping facilities).

Furthermore, with regard to projects of interest to our company, i.e. heavy machine, equipment and pipeline foundations and industrial machine and equipment overhauls, TECHMARIN applies a quality management system compliant with the ISO 9001 standard, as evidenced by the Certificate of the Polish Shipping Register (Polski Rejestr Statków).

In view of our prior co-operation and based on1 our observations, we are confident to recommend TECHMARIN as a reliable partner in solving technical problems and as one performing its work to the highest quality standards.

Vice Director, Engineering
mgr inż. Stefan Moskal

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