Surgil ESIA Report - Volume III - EKN

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“O’ZLITINEFTGAZ” PC PFS “Surgil field complex costruction with valuable components retrieval” Figure 7 –Schematic flow diagram of Surgil CGTU finished products transport Volume 2. Part 1. EIS Project for Surgil field construction 52
“O’ZLITINEFTGAZ” PC PFS “Surgil field complex costruction with valuable components retrieval” Area of CGTU of Surgil field is the beginning of gas pipeline and condensate line route with the route general direction to the southwest. Gas and chemical complex (GCC) is the pipeline route end. The pipeline route goes from CGTU area to 21km in southern direction to existing gas pipeline East Berdakh-Bukhara-Ural (26km) and then goes across at the distance not less than 23m, then on 58km crosses one line of Bukhara-Ural gas pipeline, turns to the south and then goes across to the existing Bukhara-Ural gas pipeline by diameter 1020 at the distance not less than 28m. On 86km the pipeline route crosses Bukhara-Ural gas pipeline by diameter 1020. on 98km crosspiece by diameter 1020 between Bukhara-Ural gas pipeline and CAC and goes to GCC to Akchalak region. Pipeline routes cross dirt roads only. The barchan, eolian sands take part in the lithologically structure of the pipeline routes. The project provides subsurface pipelining, whenever possible across to the lay of land. Minimum depth of pipelines is 1.0m. Turns of pipelines in horizontal and vertical plane are carried out by radius of free bending (ρ - according to diameters), branch pipes of cold flexure R-15-35m in accordance with GOST 24950-81. There are recommended pipes for construction of pipelines: - diameter 820. 720 TR 14-3-1573-99 Art. 17G1S-U - longitudinal pipes, produced by “Vyksun metallurgical works”; - pipes should be delivered with factory isolation of the strengthened type except for pipes of connection of tap valve assembly and for making of bent branch; - diameter 108. 273 TR 14-3-1128-2000 Art. 20 – steel pipes, seamless from rolled and forged blank; - diameter 168. 219 for condensate line in accordance with GOST 8732-78 with hydro-test B 20 GOST 8731-74. Thickness of pipes wall is listed in table 1 by diameter There is provided installation of following mounting assembly in the project: On the gas pipeline: - guard tap valve of CGTU and GCC with two-way purging at the distance of 500m from areas; - linear tap valves installed after 25-30km; - treatment piston launching assembly in the pipeline route beginning; - treatment piston receiver assembly in the pipeline route end. On the condensate line: - guard gate valves of CGTU and CGG at the distance of 100-300m from areas; Volume 2. Part 1. EIS Project for Surgil field construction 53
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“Management of Ustyurt GCC infras
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Книга 2. Часть 2. Про
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OAJ “O’ZLITINEFTGAZ” ПТЭО
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Газопровод L=115 ,0 km d=
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NATIONAL HOLDING COMPANY «UZBEKNEF
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