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S/N Construction method name Document number Approver Approval year Construction method level
1 Double-layer metal low-temperature storage tank top-down erection method Jianzhi [2014] No. 40 Ministry of Housing and Urban-Rural Development 2014 National level
2 Four-in-one heating furnace modular construction method Jianzhi [2014] No. 40 Ministry of Housing and Urban-Rural Development 2014 National level
3 Construction method of industrial pipeline mechanized deep prefabrication Sinopec Nanjing Engineering Technology Management (2014) No. 9 Sinopec Nanjing Engineering Co., Ltd. 2014 Enterprise level
4 Construction method of impervious reinforced concrete pool Sinopec Nanjing Engineering Technology Management (2014) No. 9 Sinopec Nanjing Engineering Co., Ltd. 2014 Enterprise level
5 Construction method of circular wall foundation for vertical storage tank Sinopec Nanjing Engineering Technology Management (2014) No. 9 Sinopec Nanjing Engineering Co., Ltd. 2014 Enterprise level
6 4M-125 compressor construction method Sinopec Nanjing Engineering Technology Management (2014) No. 9 Sinopec Nanjing Engineering Co., Ltd. 2014 Enterprise level
7 110Kv substation GIS installation construction method Sinopec Nanjing Engineering Technology Management (2014) No. 9 Sinopec Nanjing Engineering Co., Ltd. 2014 Enterprise level
8 Construction method of self-balancing hoisting for multiple lifting points of slender equipment (upgrade) Sinopec Nanjing Engineering Technology Management (2015) No. 4 Sinopec Nanjing Engineering Co., Ltd. 2015 Enterprise level
9 Large-scale vertical equipment modular assembly and heat treatment construction method (upgrade) Sinopec Nanjing Engineering Technology Management (2015) No. 4 Sinopec Nanjing Engineering Co., Ltd. 2015 Enterprise level
10 Construction method of submerged arc automatic welding of high-pressure stainless steel pipeline Sinopec Nanjing Engineering Technology Management (2015) No. 4 Sinopec Nanjing Engineering Co., Ltd. 2015 Enterprise level
11 On-site installation method of drum-type dryer Sinopec Nanjing Engineering Technology Management (2015) No. 4 Sinopec Nanjing Engineering Co., Ltd. 2015 Enterprise level
12 Construction method of large-scale double-layer metal cryogenic storage tank Sinopec Construction (2015) No. 364 China Petrochemical Corporation 2015 Group company level
13 Construction method of long-distance large-section cable laying facilities Sinopec Construction (2015) No. 364 China Petrochemical Corporation 2015 Group company level
14 Ground flare construction method Sinopec Construction (2015) No. 364 China Petrochemical Corporation 2015 Group company level
15 Modular construction method of reverse cracking system equipment of catalytic cracking unit Sinopec Construction (2015) No. 364 China Petrochemical Corporation 2015 Group company level
16 Substation installation and commissioning methods Sinopec Construction (2015) No. 364 China Petrochemical Corporation 2015 Group company level
17 Construction method of modular section lifting for large diameter reactor regenerator of catalytic cracking unit Sinopec Construction (2015) No. 364 China Petrochemical Corporation 2015 Group company level
18 Construction method of row of threading pipes and gas source pipes in petrochemical plant Sinopec Construction (2015) No. 364 China Petrochemical Corporation 2015 Group company level
19 Construction method of large-scale double-layer metal cryogenic storage tank Construction Quality [2015] No. 215 Ministry of Housing and Urban-Rural Development 2015 National level
20 Electric buoy commissioning method Sinopec Nanjing Engineering Technology Management (2016) No. 13 Sinopec Nanjing Engineering Co., Ltd. 2016 Enterprise level
21 Pipeline gallery pipeline construction method Sinopec Nanjing Engineering Technology Management (2016) No. 13 Sinopec Nanjing Engineering Co., Ltd. 2016 Enterprise level
22 Construction method of on-site assembly welding of converter in large sulfuric acid plant Sinopec Nanjing Engineering Technology Management (2016) No. 13 Sinopec Nanjing Engineering Co., Ltd. 2016 Enterprise level
23 Construction method of small-section cable laying facilities Sinopec Nanjing Engineering Technology Management (2016) No. 13 Sinopec Nanjing Engineering Co., Ltd. 2016 Enterprise level
24 Flange transmitter commissioning method Sinopec Nanjing Engineering Technology Management (2016) No. 13 Sinopec Nanjing Engineering Co., Ltd. 2016 Enterprise level
25 Construction method for large excavation and crossing of river in stone section of long-distance pipeline Sinopec Nanjing Engineering Technology Management (2016) No. 13 Sinopec Nanjing Engineering Co., Ltd. 2016 Enterprise level
26 Construction method of pipe jacking crossing in special section of long-distance pipeline Sinopec Nanjing Engineering Technology Management (2016) No. 13 Sinopec Nanjing Engineering Co., Ltd. 2016 Enterprise level
27 Construction method of large spherical storage tank group (upgrade) Sinopec Construction (2017) No. 364 China Petrochemical Corporation 2017 Group company level
28 Construction method of on-site assembly and installation of glass tube condenser Sinopec Construction (2017) No. 364 China Petrochemical Corporation 2017 Group company level
29 Construction method of multi-bearing rolling cable laying frame Sinopec Construction (2017) No. 364 China Petrochemical Corporation 2017 Group company level
30 Construction method of single rig ultra-long distance horizontal directional drilling crossing Sinopec Construction (2017) No. 364 China Petrochemical Corporation 2017 Group company level
31 Construction method of gunpowder shooting nail bracket fixing Sinopec Construction (2017) No. 364 China Petrochemical Corporation 2017 Group company level
32 Construction method of "double-sided and double-sealed" technology for steel oil pipeline Sinopec Construction (2017) No. 364 China Petrochemical Corporation 2017 Group company level
33 Construction method of A/O pool of sewage treatment facility Sinopec Nanjing Engineering Technology Management (2018) No. 6 Sinopec Nanjing Engineering Co., Ltd. 2018 Enterprise level
34 Construction method of karst landform long-distance oil and gas pipeline Sinopec Nanjing Engineering Technology Management (2018) No. 6 Sinopec Nanjing Engineering Co., Ltd. 2018 Enterprise level
35 Construction method for erection and dismantling of internal hanger platform for storage tank wall Sinopec Nanjing Engineering Technology Management (2018) No. 6 Sinopec Nanjing Engineering Co., Ltd. 2018 Enterprise level
36 Unit probe installation and commissioning construction method Sinopec Nanjing Engineering Technology Management (2018) No. 6 Sinopec Nanjing Engineering Co., Ltd. 2018 Enterprise level
37 Construction method of FF field bus for petrochemical plant Sinopec Nanjing Engineering Technology Management (2018) No. 6 Sinopec Nanjing Engineering Co., Ltd. 2018 Enterprise level
38 Construction method of belt conveyor installation Sinopec Nanjing Engineering Technology Management (2018) No. 6 Sinopec Nanjing Engineering Co., Ltd. 2018 Enterprise level
39 Construction method of long-distance pipeline crossing river to blow sand cofferdam Sinopec Nanjing Engineering Technology Management (2018) No. 6 Sinopec Nanjing Engineering Co., Ltd. 2018 Enterprise level
40 Construction method of oil recovery system for pipeline relocation project Sinopec Nanjing Engineering Technology Management (2018) No. 6 Sinopec Nanjing Engineering Co., Ltd. 2018 Enterprise level
41 Construction method of pipe jacking crossing in quicksand geological mud and water balance Sinopec Nanjing Engineering Technology Management (2019) No. 8 Sinopec Nanjing Engineering Co., Ltd. 2019 Enterprise level
42 Construction method of "environmental protection shot blasting and derusting" of storage tank Sinopec Nanjing Engineering Technology Management (2019) No. 8 Sinopec Nanjing Engineering Co., Ltd. 2019 Enterprise level
43 Modular construction method of regenerative incinerator Sinopec Nanjing Engineering Technology Management (2019) No. 8 Sinopec Nanjing Engineering Co., Ltd. 2019 Enterprise level
44 Construction method of concrete frame wire saw cutting and demolition Sinopec Nanjing Engineering Technology Management (2019) No. 8 Sinopec Nanjing Engineering Co., Ltd. 2019 Enterprise level
45 Construction method of multi-layer pipeline installation in pipe jacking tunnel Sinopec Nanjing Engineering Technology Management (2019) No. 8 Sinopec Nanjing Engineering Co., Ltd. 2019 Enterprise level
46 Construction method of cabinet installation and wiring in instrument control room Sinopec Nanjing Engineering Technology Management (2019) No. 8 Sinopec Nanjing Engineering Co., Ltd. 2019 Enterprise level
47 110kV GIS cabinet installation and commissioning method Sinopec Nanjing Engineering Technology Management (2019) No. 8 Sinopec Nanjing Engineering Co., Ltd. 2019 Enterprise level
48 Construction method of tower crane being installed with ultra-high flare tower Group Work Order Construction (2019) No. 39 China Petrochemical Corporation 2019 Group company level
49 Construction method of 35kV inner-cone plug-in high-voltage cable head Group Work Order Construction (2019) No. 39 Sinopec Nanjing Engineering Co., Ltd. 2019 Group company level
50 13.8kV tubular busbar installation and welding construction method Group Work Order Construction (2019) No. 39 Sinopec Nanjing Engineering Co., Ltd. 2019 Group company level
Note: For projects that have obtained group-level and national-level construction methods, enterprise-level construction methods do not repeat statistics, and the deadline for this ledger is June 8, 2020.
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