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Desain Bangunan Greenhouse untuk Pekarangan Pangan Berkelanjutan: Komunikasi Pemberdayaan Ramah Lingkungan untuk Ketahanan Pangan Zubizaretta, Zaid Dzulkarnain; Setiyaningsih, Lian Agustina; Luthfi, Ahmad; Zainul’ID, Ahmad Bagus; Widayati, Sri
Prosiding Seminar Nasional Sains dan Teknologi Terapan 2024: Menjembatani Energi Berkelanjutan dan Ekonomi Hijau melalui Transformasi Riset dan Teknologi T
Publisher : Institut Teknologi Adhi Tama Surabaya

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Abstract

The service in this paper discusses the design and implementation of greenhouses for sustainable agricultural land, with a focus on environmentally friendly solutions to improve food security through effective empowerment communication. This activity involves a group of housewives in green living housing in the middle of the city. The Pekarangan Pangan Lestari (P2L) Group is located in Kelurahan Gadang, Malang City, East Java. This service refers to the challenges of food security in urban areas with a sustainable yard farming approach. The implementation method is observation, area measurement, adjustment of needs and design creation. Greenhouse design adapted to sustainable agricultural yard land. This offers a practical and measurable method for producing high-quality food in an urban environment. The design and structure of the greenhouse designed aims to optimize plant growth, save resources such as water and energy, and reduce the adverse effects of unpredictable weather patterns. The implementation of the greenhouse design has been adjusted to the needs of P2L and the conditions of the yard area by considering the economic side and environmentally friendly technology.
Analisis Kinerja Pelayanan Bus Angkutan Umum: (Studi Kasus PT Gunung Harta Transport Solutions) Pramesti, Regita Vianti; Fadillah, Achmad; Zubizaretta, Zaid Dzulkarnain
Composite: Journal of Civil Engineering Vol. 3 No. 2 (2024): Desember 2024
Publisher : University of Merdeka Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26905/cjce.v3i2.15083

Abstract

PT Gunung Harta Transport Solutions merupakan perusahaan di bidang transportasi umum yang perlu menjaga kualitas layanan demi kepuasan pelanggan. Penelitian ini mengkaji penerapan Peraturan Menteri Perhubungan No. 29 Tahun 2015 serta menganalisis kinerja pelayanan Bus Gunung Harta Executive Class. Kinerja dianalisis berdasarkan persepsi penumpang dengan acuan Standar Pelayanan Minimal dan dievaluasi menggunakan metode IPA (Importance Performance Analysis). Hasil penelitian menunjukkan bahwa PT Gunung Harta telah memenuhi 81% parameter standar tersebut, dengan nilai kesesuaian rata-rata 95,64%, mengindikasikan kinerja yang baik. Namun, beberapa aspek masih perlu perbaikan, seperti tanda pengenal bagasi, informasi gangguan keamanan, fasilitas kesehatan, buku panduan penumpang, dan informasi gangguan perjalanan bus. Peningkatan pada atribut layanan yang masih rendah diperlukan agar kesesuaian antara kinerja dan kepentingan dapat mencapai 100%.
Motorcycle Passenger-Car Equivalents from Time-Headway Data with Lane-Occupancy Adjustment in Urban Indonesia Aulia Dewi Fatikasari; Achmad Dzulfiqar Alfiansyah; Zaid Dzulkarnain Zubizaretta; Rohmahillah Aviskanasya Septiandri; Agistya Rachma Larasati; Roma Artha Uly Napitupulu; Linie Rose Dayaday Santacera; Sinta Nabilah Salma
Advance Sustainable Science Engineering and Technology Vol. 8 No. 2 (2026): February-April
Publisher : Science and Technology Research Centre Universitas PGRI Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26877/asset.v8i2.2458

Abstract

Motorcycles dominate traffic composition in East Surabaya, making the determination of Passenger Car Equivalent (PCE) values for motorcycles a crucial aspect of road performance assessment. This research evaluates motorcycle PCE value on six road sections on Raya Prapen Street, Jemursari Street, Jemur Andayani Street, Panjang Jiwo Street, Kali Rungkut Street, and Rungkut Industri Street, each observed in two directions (12 segments in total), with samples collected during peak hours on Monday (06:00–10:00) and Friday (15:00–19:00). The Time Headway method is used to calculate the PCE value, and followed by statistical procedures, including t-tests and the calculation of the coefficient of determination, were performed using SPSS software. Findings show a strong correlation between PCE values and the characteristics of each road section. The adjusted motorcycle PCE values range from 0.12 to 0.20 across all sections, with site-wise pairs for direction 1/direction 2 as follows: Raya Prapen 0.20/0.16, Jemursari 0.18/0.19, Jemur Andayani 0.14/0.12, Panjang Jiwo 0.20/0.19, Kali Rungkut 0.15/0.16, and Rungkut Industri 0.15/0.14. The result coefficient of determination of R2 = 0.817 indicates a strong association between Time Headway and PCE Values. This research is limited by the assumption of a uniform motorcycle dimension factor across all sections.