Construction of Agricultural Logistics Operation Mode Based on WBS

Shi, Xiaowen; Zheng, Jiazhu; Wei, Haohan

doi:10.1061/41139(387)242

Cited by 2 publications

(2 citation statements)

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“…The division of work in the WBS into a lower level must be in accordance with the characteristics of each job. This level must not be too detailed, because it will reduce flexibility and may not be too little because it will be difficult to control it (Shi, Zheng, & Wei, 2010).…”

Section: Define Activitiesmentioning

confidence: 99%

Infrastructure Construction Projects Scheduling Using Manual-Program Evaluation and Review Technique (M-PERT) Method. Case Study: Indonesian Sunda Strait Bridge

Ashadi

Husin

Guntorojati

2022

JTS ITB

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The idea to build the Sunda Strait Bridge, popularly known as Jembatan Selat Sunda (JSS), began in the government of Indonesia's first president, Sukarno, which connect two islands with the largest economy in Indonesia, Sumatra Island and Java Island. This ambitious project will become a single mega infrastructure project with the largest investment in Indonesia. The successful completion of a project can be associated to the completion of a project on time. Accurate calculation of project time duration estimation is the key to the success of an infrastructure project delivery on time. Many practitioners in construction industry nowadays are having difficulties to estimates project duration correctly. Choosing the appropriate method in scheduling planning is the key to the successful estimation of a project. This research proposes the use of the M-PERT scheduling method which is the development of the conventional PERT with a higher degree of accuracy. As a case study, this research uses the Suspension Bridge section, which is one part of the overall phase of the construction of the JSS infrastructure project. The results of this research produce estimates of the project duration using M-PERT is 2104.38 days. It gives the estimation error is less than 1% when compared with the simulated curves. As a comparison, this research also calculates duration estimation using conventional PERT and it gives 2013 days with error more than 24% when compared with the simulated curves. A step-by-step process to estimate project duration using M-PERT method are also include in supplemental data. Keywords: Jembatan Selat Sunda, M-PERT, PERT, scheduling, simulated curves Abstrak Gagasan untuk membangun Jembatan Selat Sunda (JSS) dimulai pada masa pemerintahan presiden pertama Indonesia, Sukarno, yang menghubungkan dua pulau dengan ekonomi terbesar di Indonesia, Pulau Sumatera dan Pulau Jawa. Proyek ambisius ini akan menjadi mega proyek infrastruktur tunggal dengan investasi terbesar di Indonesia. Keberhasilan penyelesaian suatu proyek dapat dikaitkan dengan penyelesaian proyek tepat waktu. Perhitungan yang akurat dari estimasi durasi waktu proyek adalah kunci keberhasilan penyelesaian suatu proyek infrastruktur tepat waktu. Banyak praktisi di industri konstruksi saat ini mengalami kesulitan untuk memperkirakan durasi proyek dengan benar. Memilih metode yang tepat dalam perencanaan penjadwalan adalah kunci keberhasilan estimasi suatu proyek. Penelitian ini mengusulkan penggunaan metode penjadwalan M-PERT yang merupakan pengembangan dari PERT konvensional dengan tingkat akurasi yang lebih tinggi. Sebagai studi kasus, penelitian ini menggunakan bagian Jembatan Gantung yang merupakan salah satu bagian dari keseluruhan tahapan pembangunan proyek infrastruktur JSS. Hasil dari penelitian ini menghasilkan estimasi durasi proyek dengan menggunakan M-PERT adalah 2104,38 hari. Ini memberikan kesalahan estimasi kurang dari 1% jika dibandingkan dengan kurva yang disimulasikan. Sebagai perbandingan, penelitian ini juga menghitung estimasi durasi menggunakan PERT konvensional dan memberikan 2013 hari dengan error lebih dari 24% jika dibandingkan dengan kurva simulasi. Proses langkah demi langkah untuk memperkirakan durasi proyek menggunakan metode M-PERT diberikan dalam data tambahan. Kata-kata Kunci: Jembatan Selat Sunda, kurva simulasi, M-PERT, penjadwalan, PERT

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Section: Define Activitiesmentioning

confidence: 99%

Infrastructure Construction Projects Scheduling Using Manual-Program Evaluation and Review Technique (M-PERT) Method. Case Study: Indonesian Sunda Strait Bridge

Ashadi

Husin

Guntorojati

2022

JTS ITB

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“…Corresponding Countermeasures on Implementing Reducing Construction Mode from the Source (1) The construction management personnel must implement the systemic ideas "reducing construction waste from the source" in the whole construction process, and then strengthen consciousness about green construction and study corresponding knowledge;…”

Section: Sustainable Development Of Urban Environment and Building Ma...mentioning

confidence: 99%

Discussion on Management Mode of Construction Waste in China

Shao

Jiang

Zhang

et al. 2011

AMR

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Now in China, the management of construction waste still gets less attention than it deserves. The construction waste has caused huge consumption of limited resources and led to serious environment pollution. Consequently; it makes bad effect on China's sustainable development. Firstly, the definition of construction waste is provided in the paper. Then based on the analysis of the present management situation of construction waste, different of management modes of construction waste are evaluated, and then the mode of reducing construction waste from its source is presented, which would performs well to realize the reduction and recycling of construction waste. At the same time, this paper also puts forward the construction model of carrying out corresponding countermeasures; finally, the development trend of construction model in the future is prospected.

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Construction of Agricultural Logistics Operation Mode Based on WBS

Cited by 2 publications

References 0 publications

Infrastructure Construction Projects Scheduling Using Manual-Program Evaluation and Review Technique (M-PERT) Method. Case Study: Indonesian Sunda Strait Bridge

Infrastructure Construction Projects Scheduling Using Manual-Program Evaluation and Review Technique (M-PERT) Method. Case Study: Indonesian Sunda Strait Bridge

Discussion on Management Mode of Construction Waste in China

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