Signing a contract with KGHM Polska Miedź S.A. Głogów Copper Smelter Division

Subject of the contract: Construction and installation works for the task: Adaptation of
power utility infrastructure for the new oxygen plant

Task scope:

1.1. Projekt dostosowania estakady z HMG I do HMG II dla nowych instalacji gazowych:
1.1.1. Wzmocnienie nośności istniejącej estakady i konstrukcji stalowych poprzez zastrzały, mocowane do podpór rurociągu oraz do istniejących konstrukcji estakad
1.1.2. Wykonanie konstrukcji podparć dla nowo zabudowanych rurociągów w średnicach DN500, DN250, DN40
1.2. Modernizacja instalacji Tlenu LP w Rejonie Pieca Zawiesinowego HMG II.
1.2.1. Demontaż i modernizacja istniejącej instalacji tlenu niskociśnieniowego DN800, armatury oraz dostosowanie stalowej konstrukcji wsporczej i podpór na istniejącej estakadzie
1.2.2. Supply, installation and welding of a new low-pressure oxygen system – steel pipelines with a diameter of DN800, along with fittings in the form of butterfly valves, expansion joints, globe valves and measuring orifice. Conducted along existing flyovers on newly built support structures
1.3. Expansion of the Oxygen Installation LP in the area of Gate No. 3 HMG I
1.3.1. Supply, installation and welding of low-pressure oxygen system – steel pipelines with a diameter of DN800, along with the necessary fittings – shut-off damper, blow-off damper, service valves, pressure measuring system. Installation carried out on existing flyovers on newly built support structures1.4. Expansion of the MP Oxygen plant in the area of gate No. 3 HMG I
1.4.1. Supply, installation and welding of medium-pressure oxygen system – pipelines of acid-resistant steel with a diameter of DN250, along with the necessary fittings – throttle valve, service valve, pressure measuring system. Installation carried out on existing flyovers on newly built support structures
1.5. Installation of HP Oxygen from New Oxygen Plant to HMG II
1.5.1. Supply, installation and welding of 1900m of high-pressure oxygen installation – stainless steel pipelines with a diameter of DN40 along with the necessary fittings – shut-off valves, service valves, blow-off valves, safety valves, pressure measuring system. Installation carried out along existing flyovers on newly built support structures
1.5.2. Installation of a valve box with metering and safety equipment
1.5.3. Performing the cleaning and degreasing process of oxygen pipelines to the maximum content of oil and grease contaminants on the inner surface of the pipe not exceeding 220 mg/m2 in accordance with the standards of EIGA Doc 33/18 and the guidelines and regulations applicable to oxygen installations
1.6. Installation of Wet Nitrogen from New Oxygen Plant to HMG II
1.6.1. Supply, installation and welding of 1,800mb of wet nitrogen system – steel pipelines with a diameter of DN500, along with the necessary fittings – shut-off valves, blow-off valves, bypass valves, pressure measuring system. Installation routed along existing flyovers on newly built support structures
1.7. Installation of Dry Nitrogen from New Oxygen Plant to HMG II
1.7.1. Supply, installation and welding of 2500mb of dry nitrogen system – steel pipelines with a diameter of DN40 along with the necessary fittings – shut-off valves, blow-off valves,service valves, pressure measuring system. Installation routed along existing flyovers on newly installed support structures
1.8. Rainwater-Industrial Sewer Installation Network from New Oxygen Plant
1.8.1. Execution of sewer installation with a system of plastic pipes, corrugated, with stiffness SN8, conducted in a narrow space excavation at a depth of 1.50m to 3.0m – 240mb of Ø400 diameter pipelines, 30mb of Ø200 diameter pipelines
1.8.2. Making jacking using the trenchless method for sewer system crossings under tracks and roads – jacking with Ø610 steel casing pipe with lengths of 4.5m, 5m and 12m
1.8.3. Installation of a DN1500 measuring well with a DN300 flow meter installed
1.8.4. Installation of 10 DN1000 through concrete wells
1.9. Measurement system of Technological Steam DN200 in the area of gate No. 3 HMG I
1.9.1. Modernization of the existing process steam metering system with a capacity of 20,000kg/h. Removal of the existing DN250 pipeline, installation of DN200 pipeline along with the necessary fittings – flow meter on the main pipeline, shut-off valves, control gate valve, three-way block valve
1.10. Expansion of the Industrial Water Metering System in the area of gate No. 3.
1.10.1. Installation of a 2.5m x 4.5m x 2m water meter chamber with the installation of a system of two-wheel shut-off butterfly valves, pressure regulator, water meter and pressure measuring system
1.10.2. Connection to the existing industrial water network Ø280 PE
1.10.3. Connection to the existing DN200 steel industrial water network
2. Carry out cleaning and degreasing process for oxygen pipelines to the maximum content of oil and grease contaminants on the inner surface of the pipe not exceeding 220 mg/m2 in accordance with the standards of EIGA Doc 33/18 and the guidelines and regulations applicable to oxygen installations
3. Conducting examinations, tests, measurements and tests in accordance with the requirements, included in the technical specifications for execution and acceptance
4. Execution of design validation and conformity assessment of completed oxygen installations by the certification body UDT CERT
5. Participation in technical and technological commissioning

Implementation date: November 2021 – December 2022
Investor: KGHM Polska Miedź S.A. – Głogów smelter
General Contractor: SPS INSCON Sp. z o.o.