Analysis on the Mode of Centralized Material Procurement of Group City Gas Enterprises

2021 ◽  
2019 ◽  
Vol 10 (1) ◽  
pp. 1-27
Author(s):  
Aniek Wijayanti

Business Process Analysis can be used to eliminate or reduce a waste cost caused by non value added activities that exist in a process. This research aims at evaluating activities carried out in the natural material procurement process in the PT XYZ, calculating the effectiveness of the process cycle, finding a way to improve the process management, and calculating the cost reduction that can achieved by activity management. A case study was the approach of this research. The researcher obtained research data throughout deep interviews with the staff who directly involved in the process, observation, and documentation of natural material procurement. The result of this study show that the effectiveness of the process cycle of natural material procurement in the factory reached as much as 87,1% for the sand material and 72% for the crushed stone. This indicates that the process still carry activities with no added value and still contain ineffective costs. Through the Business Process Mechanism, these non value added activities can be managed so that the process cycle becomes more efficient and cost effectiveness is achieved. The result of the effective cycle calculation after the management activities implementation is 100%. This means that the cost of natural material procurement process has become effective. The result of calculation of the estimated cost reduction as a result of management activity is as much as Rp249.026.635,90 per year.


2021 ◽  
Vol 753 (1) ◽  
pp. 012027
Author(s):  
H Sadiyah ◽  
E Iswandi ◽  
S Thamrin ◽  
N A Sasongko, ◽  
Y Dwi Kuntjoro
Keyword(s):  

2021 ◽  
Vol 802 (1) ◽  
pp. 012014
Author(s):  
A Prima ◽  
O Ridaliani ◽  
A Hamid ◽  
H Pramadika ◽  
H P Sanusi ◽  
...  
Keyword(s):  

2021 ◽  
Author(s):  
Vipul Sawant ◽  
Shraddha Garate

Abstract Mahanagar Gas is a City Gas Distribution Company engaged in the distribution of Natural Gas in and around Mumbai City. MGL has around 415 km of commissioned steel pipeline network which is being protected by ICCP. These pipelines are coated with three layer polyethylene coatings. Rectifying the external interferences on pipeline network is a major challenge for pipeline operating personnel in order to maintain safety and integrity of their pipeline. This technical paper is based on study of one of such external interference which posed a threat to MGL’s steel pipeline network. High Voltage Direct Current (HVDC) is a system for transmission of electricity over long distances. This system uses Direct Current (DC) for bulk transmission of electricity in contrast with the more common Alternating Current (AC) systems. HVDC is considered to be more effective to increase power grid delivery capabilities. A part of MGL’s pipeline network is currently facing interference due to a HVDC power substation on the outskirts of Mumbai. This substation is being operated by State Government and is affecting around 145 kms of MGL’s steel pipeline network during its monopolar operation for transmission of electricity. This interference is creating multiple anodic and cathodic areas on pipeline network with the help of a high magnitude current entering and exiting from pipeline at multiple locations which are difficult to predict and rectify. This technical paper will elaborate the concept of HVDC interference on steel pipelines. It will give a brief overview on the methodology adopted for identifying, monitoring and analyzing this interference phenomenon and will comment on the results of this analysis. It will throw light on a variety of technical challenges faced in dealing with this interference while operating a city gas distribution network in particular. And finally, it will discuss about possible remedial measures available and their effectiveness to curb this interference.


2017 ◽  
Vol 43 (5) ◽  
pp. 336-341
Author(s):  
Yoshinori Shirasaki ◽  
Takafumi Sato ◽  
Naotsugu Itoh ◽  
Tatsuya Tsuneki ◽  
Takumi Nishii ◽  
...  

2012 ◽  
Vol 19 (8) ◽  
pp. 2373-2379 ◽  
Author(s):  
Zhi-gang Chen ◽  
Xiang-jiao Lian ◽  
Liang He

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