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Journal : Journal of Civil Engineering

PRIORITAS PEMELIHARAAN IRIGASI SUB DAS KALI BRANTAS KOTA BATU MENGGUNAKAN METODE SIMPLE ADDITIVE WEIGHTING Cholilu Rohman; Umboro Lasminto; Theresia Sri Sidharti
Journal of Civil Engineering Vol 33, No 2 (2018)
Publisher : Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (520.539 KB) | DOI: 10.12962/j20861206.v33i2.4567

Abstract

This paper presents the results of the study of one of the alternative decision support systems in determining the priority of irrigation maintenance. One of the obstacles in maintaining irrigation assets is the limited budget, hence the need for priority maintenance of irrigation. Batu City as an agricultural area, has not applied objective assessment criteria in determining the priority scale of irrigation asset maintenance to support the success of agriculture. Especially the irrigation area of Kali Brantas Sub Watershed which is the downstream area of Batu City, there are still many damaged irrigation assets infrastructure. This study aims to determine the priority of irrigation maintenance of Kali Brantas Sub Watershed Batu City. Analysis using Simple Additive Weighting method with the following stages: The assessment of each criterion directly in the field (Physical Condition, Functioning, Service Area and maintenance cost) according to Regulation of Minister of Public Works No. 13 / PRT / M / 2012, , determine the rating of each alternative match, normalization of alternative value of each criterion and ranking of normalization product with weight of importance. The result of the analysis shows that irrigation infrastructure which become the first priority in irrigation maintenance activity of Kali Brantas Sub Watershed Batu City is Genengan Dam. For second priority up to five consecutive are; Bend Beji I, Beji II, Ngukir Mranak II and Ngukir Mranak I Dam..
ANALISIS BIAYA UNTUK PEMILIHAN SUMBER DAYA LISTRIK UTAMA RUMAH POMPA GREGES Yudiono Yudiono; Umboro Lasminto; Vita Ratnasari
Journal of Civil Engineering Vol 33, No 1 (2018)
Publisher : Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (710.178 KB) | DOI: 10.12962/j20861206.v33i1.4564

Abstract

The central government through the Directorate of Environmental Sanitation Development (PPLP) of the Directorate General of Human Settlements of the Ministry of Public Works and Public Housing participated in the implementation of drainage of Surabaya by providing assistance for the construction of Greges pump house. The pump house Greges as one of the pump house located in Surabaya, is one of the drainage system controllers around Bozem Morokrembangan area especially the flow of water along the Greges channel which is also an outlet for several channels. In the aid of the pump house choose to use Genset as the main power source (SDL). While the Government of Surabaya always wants the use of SDL from PLN. The purpose of this study was to analyze the use of SDL to meet the needs of the Greges Pump House by performing the cost analysis required for the Greges pump house for the use of Genset and PLN power sources, and determining the better SDL selection that would be used to meet the needs of the Greges pump house. Based on the analysis of costs, the use of generators is better than PLN in the investment cost analysis. Based on PLN operational cost analysis is better than generator. In the first year period the total cost for the use of PLN is Rp. 5.102.223.905 greater than the generator Rp. 4.789.084.970,16,, in the second year the cost of using PLN approaches the generator cost, and on the third and so the use of generator is higher than the PLN.