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Andri Putra Kesmawan
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Perumahan Sidorejo, Jl. Sidorejo Gg. Sadewa No.D3, Sonopakis Kidul, Ngestiharjo, Kapanewon Kasihan, Kabupaten Bantul, Daerah Istimewa Yogyakarta 55184
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INDONESIA
Sustainable Civil Building Management and Engineering Journal
Published by Indonesian Journal Publisher
ISSN : -     EISSN : 30323711     DOI : https://doi.org/10.47134/scbmej
Core Subject : Engineering,
Civil Engineering, Building, Construction & Architecture Engineering
Sustainable Civil Building Management and Engineering Journal is an academic journal organized which a focus and scope: Sustainable Building Design and Construction, Civil Engineering for Sustainability, Building Management and Maintenance, Environmental and Social Considerations. The scope of SCBMEJ invites original research papers, review articles, and case studies that contribute to the advancement of sustainable practices in civil engineering, building management, and related disciplines. The journal encourages interdisciplinary approaches and welcomes submissions that address the challenges and opportunities at the intersection of environmental, social, and economic sustainability in the built environment.
Arjuna Subject : Teknik (semua kategori) - Bangunan dan Konstruksi
Articles 2 Documents
 1 
Search results for , issue "Vol. 2 No. 2 (2025): April" : 2 Documents clear
Analysis of the Effect of Boro River Backwater as an Impact of Flood Inundation in Sewu Urban Village, Surakarta City Amina, Syakira; Hadiani, Rr.; Solichin
Sustainable Civil Building Management and Engineering Journal Vol. 2 No. 2 (2025): April
Publisher : Indonesian Journal Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47134/scbmej.v2i2.3759

Abstract

Backwater is a condition where the flow of river water is obstructed, causing the water level to rise and overflow into the surrounding area. The backwater phenomenon is the main cause of flood inundation in Sewu Village. The confluence of two rivers, namely the main Bengawan Solo River and the Boro River, causes the flow of water from the Boro River to be obstructed due to the higher elevation of the River in the Bengawan Solo River. Therefore, this study aims to analyze the effect of the Boro River backwater on flood inundation in Sewu Village with a 20-year (Q20), 25-year (Q25), and 50-year (Q50) return period flood discharge using the Soil Conservation Service synthetic unit hydrograph method with HEC-HMS software. This research uses hydraulic simulation by simulating river flow to find out the location of backwater that causes runoff. The results showed that the 20-year return period flood discharge (Q20) of 12.3 m³/s, 25-year return period (Q25) of 12.8 m³/s, and 50-year return period (Q50) of 14.4 m³/s significantly affected the water level in Boro River, which resulted in an increase in the flood inundation area in Sewu Village. Hydraulic simulations revealed that the critical point of backwater in Boro River affects the maximum water depth of the river, such as the 20-year return period (Q20) has an increase difference of 0.40 meters, the 25-year return period (Q25) of 0.32 meters, and the 50-year return period (Q50) of 0.45 meters.
A Comparative Analysis of the CPM and PERT Methods in Project Time Management for a High-Rise Building Construction Project in Yogyakarta Santoso, Fazabella Wijaya; Handayani, Fajar Sri; Setiono
Sustainable Civil Building Management and Engineering Journal Vol. 2 No. 2 (2025): April
Publisher : Indonesian Journal Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47134/scbmej.v2i2.3927

Abstract

This study examines the comparison of PERT (Program Evaluation and Review Technique) and CPM (Critical Path Method) in time management for construction projects through a case study of a 21-story high-rise building project in Yogyakarta. The research is motivated by the need for effective time management in construction projects to avoid delays that may escalate costs and disrupt project execution. The objectives are to determine the estimated duration for completing the building’s structural work, compare the differences between the initial schedule and the results of PERT and CPM analyses. The study employs a case study approach, with primary data collected through direct interviews with project stakeholders regarding activity durations and predecessors, as well as secondary data from project documentation, including schedules and structural drawings. Data analysis involves applying PERT calculations using three-time estimates (optimistic, most likely, and pessimistic) and identifying critical paths through CPM. Data processing and network diagram visualization are conducted using a project management software to comprehensively map critical and non-critical project activities.  Results indicate that the CPM method predicts a project duration of 419 days, 237 days shorter than the initial schedule, while the PERT method estimates 580 days, 76 days shorter than the original timeline, with an 82.98% probability of timely completion.  

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