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All Journal Jurnal Teknik ITS IPTEK The Journal for Technology and Science Jurnal IPTEK Journal of Environment and Sustainability Syntax Literate: Jurnal Ilmiah Indonesia Jurnal Aplikasi Teknik Sipil Jurnal Purifikasi Sebatik ENVIROSAN : Jurnal Teknik Lingkungan Media Ilmiah Teknik Lingkungan Al-Ard: Jurnal Teknik Lingkungan Jurnal Darma Agung Jurnal Teknik Sipil Giratory Upgris Jurnal Teknologi Lingkungan Lahan Basah Sewagati
Ali Masduqi
Departemen Teknik Lingkungan Institut Teknologi Sepuluh Nopember
Agriculture, Biological Sciences & Forestry Arts Humanities Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Decision Sciences, Operations Research & Management Earth & Planetary Sciences Education Energy Engineering Environmental Science Immunology & microbiology Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Library & Information Science Materials Science & Nanotechnology Mechanical Engineering Public Health Social Sciences Transportation Other

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STUDI OPTIMASI POMPA DISTRIBUSI SPAM KOTA PALANGKA RAYA UNTUK EFISIENSI ENERGI Alhamidiy, Abdillah Nur; Masduqi, Ali; Bustami, Bustami; Adhi, Bagas Wahyu
Jurnal Teknik Sipil Giratory UPGRIS Vol 5, No 1: Juni 2024
Publisher : Universitas PGRI Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26877/giratory.v1i1.19460

Abstract

SPAM of Palangka Raya City has a distribution unit which is powered by six pumps but only two pumps are functioning due to frequent damage to the pumps. The pumps that function is Pump III and Pump V. This research aims to evaluate pump efficiency and specific energy consumption (SEC) so that technical recommendations for optimizing existing distribution pumps are known. Pump III is installed with a VSD with a SEC value of 0.14 KWh/m3 with a pump efficiency of 70.41% so it does not require minor or major repairs but requires a new backup pump because it works 24 hours while Pump V has a SEC of 0.27 KWh/m3 with a pump efficiency of only 36.97% which requires a new pump replacement. Both pumps experienced the same problem, namely V-Unbalanced which reached 2.72-2.73%, causing a decrease in motor performance which could cause damage to the pump components and VSD, so a capacitor bank and voltage stabilizer were needed. The evaluation of energy loss in the distribution network was carried out by increasing the diameter of 57 pipe segments to reduce headloss to less than 10 m/km.
PERENCANAAN DMA BERBASIS IOT UNTUK MENURUNKAN KEHILANGAN AIR DI KOTA AMBON Masduqi, Ali; Nanda, Fahreza Alvian; Adhi, Bagas Wahyu
Jurnal Teknik Sipil Giratory UPGRIS Vol 4, No 1: Juni 2023
Publisher : Universitas PGRI Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26877/giratory.v4i1.16188

Abstract

Access to clean water is the right of every citizen that the government must fulfill, both the central government and local governments, through drinking water business entities, namely PDAM. The performance of a PDAM represents the quality level of drinking water administration in an area. Only now, the high loss of drinking water has become problematic for PDAMs in improving their performance. One of the PDAMs with a high loss of drinking water is PDAM Tirta Yapono, Ambon City, with a water loss rate of 69.85%. In this paper, an effort is made to reduce water loss in PDAM Tirta Yapono by establishing a DMA in the Wainitu Village based on the existing condition of the pipeline, along with the number of sensors and instrumentation needed. SCADA and asset management implementation are also designed to support DMA's performance in reducing water loss. SCADA's role in reducing water loss facilitates the implementation of step tests and automation of monitoring activities for the distribution process and water quality by placing several instruments in the distribution network. Monitoring with SCADA will provide accurate data. Then, asset management also plays a role in reducing water losses because the information contained in asset management is used as material for preparing a strategy to reduce water losses following the priorities and capabilities of PDAM Tirta Yapono.
Evaluation of The Design Conformity of Water Treatment Plant Units at PERUMDA Kota Palangka Raya Based on SNI 6774:2008 and Technical Literature: Evaluasi Kesesuaian Desain Unit Instalasi Pengolahan Air PERUMDA Kota Palangka Raya Berdasarkan SNI 6774:2008 dan Literatur Rahmah, Rifky Annisa; Masduqi, Ali
Media Ilmiah Teknik Lingkungan (MITL) Vol. 10 No. 2 (2025): Media Ilmiah Teknik Lingkungan (MITL)
Publisher : ​Institute for Researches and Community Services Universitas Muhammadiyah Palangkaraya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33084/mitl.v10i2.10776

Abstract

Non-compliant design of water treatment units can reduce process efficiency and product water quality. This study aims to evaluate the design conformity of the existing Water Treatment Plant (WTP) units operated by PERUMDA Air Minum Kota Palangka Raya against SNI 6774:2008 and established technical literature. The evaluation focused on the intake, coagulation, flocculation, sedimentation, filtration, and reservoir units using a retro-commissioning approach. Data collection included field measurements and review of technical documents. The results revealed several non-conformities, such as a GT value of 4.8×10⁴ (standard >10⁵), sedimentation detention time of less than 2 hours, and an overflow rate of 13.99 m³/m²/hour (standard limit 11 m³/m²/hour). These findings highlight the need for gradual technical design adjustments to enhance treatment efficiency.
Optimalisasi Penurunan Kehilangan Air Di Zona Pelayanan Perusahaan Umum Daerah Air Minum Barikiyah, Saeril; Masduqi, Ali
Al-Ard: Jurnal Teknik Lingkungan Vol. 11 No. 1 (2025): September
Publisher : Department of Environmental engineering, Faculty of Science and Technology, Islamic State University Sunan Ampel Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29080/alard.v11i1.2321

Abstract

According to Regulation of the Ministry of Public Works and Housing of the Republic of Indonesia No. 27/PRT/M/2016, the maximum allowable level of non-revenue water (NRW) in a drinking water supply system (DWSS) is 20%. However, the NRW level of a regional water utility (Perumdam) in East Java has reached 26.47%, consisting of a total distributed water volume of 5,922,337 m³ and a billed water volume of 4,354,472.00 m³. One of the causes of this NRW is the distribution pipeline network system, which remains interconnected between different networks. This study aims to analyze the optimization of NRW reduction, particularly in one service zone. The research method used is an analysis of the existing conditions and NRW control using Epanet software. Based on the research findings, it was identified that all customers in the service zone met the minimum pressure requirement of 5–10 m. Water loss control was carried out through the establishment of a District Metered Area (DMA), optimization of the pipeline network, active leakage control, and pressure management. The results showed a reduction in physical water loss by 0.86%, with a saved water volume of 20,571 m³ per month.
Identification of Energy Costs in The Gowongan Water Supply System of Perumda Air Minum Tirta Moedal, Semarang, Indonesia Putri, Afriza Cahya; Masduqi, Ali; Suryanto, Suryanto
Jurnal IPTEK Vol 29, No 2 (2025): December
Publisher : LPPM Institut Teknologi Adhi Tama Surabaya (ITATS)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31284/j.iptek.2025.v29i2.7899

Abstract

Energy use in water supply systems has drawn increasing attention, especially in areas relying on pumps. This study evaluates the E4 pumps system at the Gowongan Water Supply System (SPAM) by Perumda Air Minum Tirta Moedal Semarang City, conducted in April 2025. Real-time measurements were taken using an ultrasonic flowmeter and a digital power meter. The analysis covered pump efficiency, Specific Energy Consumption (SEC), and electricity usage during peak (WBP) and off-peak (LWBP) hours, based on Ministry of Energy Regulation No. 7/2024. The results showed a pump efficiency of 60.3% and an SEC value of 0.221 kWh/m³. Over 83% of electricity was consumed during off-peak hours, indicating the effectiveness of the Variable Speed Drive (VSD) implementation. The audit also recommends optimizing pump operation schedules and exploring alternative energy sources as strategies to improve operational efficiency.  
Studi Kehilangan Air pada District Metered Area Plamongan Indah di Wilayah Pelayanan Semarang Timur Perumda Air Minum Tirta Moedal Kota Semarang Patria, Ardhian Elia; Masduqi, Ali; Prinandes, Dades
Jurnal Teknologi Lingkungan Lahan Basah Vol 14, No 1 (2026): January 2026
Publisher : Universitas Tanjungpura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26418/jtllb.v14i1.99002

Abstract

Non-Revenue Water (NRW) remains a significant challenge in drinking water supply systems as it affects both technical performance and financial efficiency. In 2024, Perumda Air Minum Tirta Moedal Semarang recorded an NRW level of 44.59%. This study aims to evaluate water losses in the Plamongan Indah District Metered Area (DMA) and to formulate appropriate control strategies. Primary data were obtained through field measurements of flow and pressure and customer meter accuracy tests, while secondary data included network maps, distribution volumes, and consumption records. The analysis was conducted by preparing a water balance using WB-EasyCalc and evaluating leakage performance through the Infrastructure Leakage Index (ILI). The results show that water losses in the Plamongan Indah DMA amounted to 47.53%, or 275,850 m³ per year. These losses consist of 43.19% physical losses (250,693 m³) and 4.33% apparent losses (25,157 m³), with an estimated annual financial impact of IDR 1.603.791.900. The ILI value of 16.04 places the DMA in category D according to the International Water Association classification, indicating a very high leakage rate and inefficient resource utilization. Recommended strategies include implementing active leakage control, applying effective pressure management, replacing customer meters older than five years, and reducing illegal connections. These measures are expected to reduce NRW levels significantly and improve the efficiency of water supply management at Perumda Air Minum Tirta Moedal.
Co-Authors Adhi Yuniarto Adi Trisnawati Agus Ahyar Agus Slamet Ahyar, Agus Alfan Purnomo Alhamidiy, Abdillah Nur Amalludin, Fahmi Ikhlasul Amien Widodo Arief Rahman Arliyani, Isni Arnisa Nastiti Atiek Moesriati Bagas Wahyu Adhi, Bagas Wahyu Barikiyah, Saeril Baskoro, Muhammad Ario Bowo Djoko Marsono Bridiatama Bridiatama Damaianto Bustami Bustami Bustami Bustami Dadang Arip Sujatmika Deni Maryani Deni Maryani Eddy Setiadi Soedjono Erna Apriliani Ervin Nurhayati, Ervin Fajar Dwinugroho Fathani, Aghfiranisa Fernando, Julius Alex Fikri Hanif Rasyidi Fira Riza Aulia Gabriel Novianus Rumambo Pandin Galih Priyonggo Suatmadji Hafiz Hafiz Darmawan Hastuti, Dian Suci M, Mahendra A Marhendra, Bara Awanda Mas Agus Mardyanto Mirna Apriani Murti Sari Amalia Nailah, Fadlilatin Nanda, Fahreza Alvian Nur Aini Febriyana Nur Aini Febriyana Pandin, Gabriel Novianus Rumambo Patria, Ardhian Elia Prastiwi, Egis Prinandes, Dades Puspa, Puspa Putri, Afriza Cahya Rahmah, Rifky Annisa Rifaldi, Reza Santoso, Irwan Bagyo Siswati Siswati Sundoro, Muhammad Suryanto Suryanto Syamsul Huda Tatas, Tatas Titis Rosari Vivin Sintia Indriani Wahyono Hadi Wahyuni, Afrinda Dwi