Rian Tri Komara
Teknik Sipil S1 Universitas Riau

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ANALISA VARIABEL KEGAGALAN DALAM PROSES PENGADAAN PEMILIHAN PENYEDIA JASA PELAKSANA KONSTRUKSI SECARA ELEKTRONIK ( E- PROCUREMENT ) DI KOTA PEKANBARU WahyuDyah, Ni; Komara, Rian Tri; Djuniati, Sri
Proceedings ACES (Annual Civil Engineering Seminar) Vol 1 (2015): Annual Civil Engineering Seminar (ACES)
Publisher : Proceedings ACES (Annual Civil Engineering Seminar)

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E-procurement is a process of procuring goods and services which is done electronically(internet/web based). One of the steps worth noted in construction project is the process ofcontractor appointment. Usually, such process is conducted through the auction of services andgoods procurement. The auction is currently regulated in Presidential Regulation of 2012Number 70 about the second amandement of Presidential Regulation of 2010 Number 54about Procurement of Government Services and Goods. In accordance to the regulation, thisresearch aims to identify failure variables that can affect the process of evaluation forconstruction services auction in government owned project especially in Pekanbaru, Riau. Datain this research is obtained from interview with the Head of ULP and LPSE of Riau Provinceand also secondary data obtained from LPSE of Riau Province’s website that comprise ofdocuments regarding the implementation of the auction especially in road and pavementconstruction service on 2011, 2012 and 2013. The method used to process the data is manualprocess using software aid of Microsoft Excel, pie chart and bar chart.According to the resultof the analysis conducted on auction for road and pavement construction service between 2011until 2013, it can be obtained that the biggest percentage of 44% during 2011 is foradministration phase,the dominant factor of contractorfailurebecause they were not uploadeddocument of demand.In 2012, the biggest percentage of 48% of the contractor failure causedby technical problems in construction method and where in 2013 with the same the dominantfactor of contractor failure increased to 51%.Kata kunci: auction, E-procurement, failure factor, services and goods procurement system.
Analisis Investasi Penyediaan Air Baku Untuk Pdam Tirta Dharma Duri (Intake Air Baku Sungai Rokan) Syahrir, Alam; Siswanto, Siswanto; Komara, Rian Tri
Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains Vol 2, No 2 (2015): Wisuda Oktober Tahun 2015
Publisher : Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains

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PDAM Tirta Dharma Duri is the only service provider of clean water Bengkalis thorn branch with sub-district service area Saber And District of Uptown. The PDAM Tirta Dharma spinesreceive water supply from PT Chevron Pacific Indonesia, with a small amount of clean water crisis that resulted in the service area. Responding to these conditions Bengkalis Governmentis determined to increase the supply of raw water to PDAM Tirta Dharma Thorns by building intake Sekapas River as one of the new raw water supply alternatives so that the water crisis that occurred can be overcome. This study examines the feasibility of the project Development of new raw water supply for PDAM Tirta Dharma Duris with intake Sekapas River. Investment feasibility indicator is the NPV (Net Present Value), BCR (Benefit Cost Ratio), IRR (Internal Rate of Return) and BEP (Break Even Point) as well as a sensitivity analysis. The cost of investment in this study uses data DED (Enginering Details desing) from the consultant planner RP. 203,254,685,215.00 with the results of the feasibility of aninvestment analyst for all parameters indicate the scope for further investment, due to the interest rate that is used by 13% showed the feasibility indicator, namely the value of apositive NPV, BCR values above 1 (one), the IRR is more of 13% (interest investment loans) and BEP less than 21 years.Keywords:Water supply, sensitivity analysis, NPV, BCR, IRR, BEP