TS26-1 Building Construction Cost Estimation

Authors

Ir. Stefani Switly Peginusa, S.ST., M.T
Politeknik Negeri Manado image/svg+xml
Dr. Ir. Sherley Runtunuwu, S.T, M.T
Politeknik Negeri Manado image/svg+xml
Estrellita V. Y. Waney, ST, M.Eng.Mgmt
Politeknik Negeri Manado image/svg+xml
Ir. Deyke Junita Femeli Mandang, S.T, M.M
Politeknik Negeri Manado image/svg+xml

Keywords:

COST ESTIMATION, BUILDING CONSTRUCTION COSTS, BUILDING CONSTRUCTION COST ESTIMATION

Synopsis

A magnificent design vision on paper will never materialize without a reliable financial roadmap. Amidst the dynamic nature of the modern construction industry, the role of an estimator has evolved far beyond that of a mere mechanical "number cruncher." This book serves as a primary reference for cultivating the mindset of a professional estimator—one who is critical, systematic, and adaptive in processing technical data and mitigating the risks of financial uncertainty in projects.
The discussion in this textbook presents a step-by-step guide covering phases from planning to project scheduling (Chapters 1 through 12), systematically leading the reader through four key pillars:
•    Pillar 1: Conceptual Foundations & Document Review (Chapters 1–4) – Examines basic estimation concepts, professional ethics, and techniques for identifying project tasks (based on Detailed Engineering Designs and Technical Specifications) using the Work Breakdown Structure (WBS), as well as assessing the impact of legal regulations, environmental factors, and occupational health, safety, and environmental management systems (SMK3L) on the project budget.
•    Pillar 2: Accuracy in Quantity Analysis / Take-Off (Chapters 5–6) – Provides practical guidance on precisely calculating volumes for earthworks and substructures (foundations), followed by superstructure elements (columns, beams, floor slabs) and architectural infill components (walls, door/window frames, roof framing).
•    Pillar 3: Resource Requirement Calculations (Chapters 7–9) – Covers techniques for projecting actual on-site material needs by calculating waste factors and analyzing labor requirements (Man-Days/HOK) based on productivity rates, as well as calculating productivity, operating costs, and rental rates for heavy equipment. •    Pillar 4: Cost Synthesis & Time Integration (Chapters 10–12) – A methodology for formulating Unit Price Analyses (AHSP) based on Ministry of Public Works and Housing (PUPR) guidelines, incorporating profit and overhead, compiling a detailed Cost Budget Plan (RAB), and aligning this physical budget with the time dimension through Bar Chart scheduling and Critical Path analysis.

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Author Biographies

Ir. Stefani Switly Peginusa, S.ST., M.T, Politeknik Negeri Manado

The author was born in Manado on September 20, 1987. Currently, the author serves as a full-time lecturer in the Building Construction Study Program within the Department of Civil Engineering at Manado State Polytechnic. The author completed their Applied Bachelor’s degree in Civil Engineering at Manado State Polytechnic and subsequently pursued a Master’s degree in Civil Engineering at Sam Ratulangi University, Manado. The author's primary areas of expertise include construction management, green construction, project risk management, and sustainable infrastructure planning.

Dr. Ir. Sherley Runtunuwu, S.T, M.T, Politeknik Negeri Manado

Born in Tomohon on September 3, 1967, he earned his Bachelor’s degree in Civil Engineering from Sam Ratulangi University, followed by a Master’s degree in Civil Engineering (specializing in Construction Management) from Trisakti University in Jakarta, and a Doctorate (Dr.) in Civil Engineering from Brawijaya University in Malang. Currently, in addition to teaching in the Civil Engineering Department’s Diploma (D3 and D4) programs, he also teaches in the Applied Master’s program in Building Maintenance and Restoration Engineering Technology at Manado State Polytechnic. Beyond teaching, he is actively involved in research, community service, the development of textbooks, and scholarly publications within the field of Civil Engineering.

Estrellita V. Y. Waney, ST, M.Eng.Mgmt, Politeknik Negeri Manado

Born in Jakarta on July 11, 1968, he earned his Bachelor’s degree (S.T.) in Civil Engineering from Sam Ratulangi University in Manado and subsequently pursued a Master’s degree in Engineering Management at the University of Melbourne, Australia. He is currently active as a lecturer and researcher specializing in Construction Management, Cost Estimation, Project Management, Quality Management Systems, and Building Information Modeling (BIM) at the Manado State Polytechnic. In addition to teaching, he is involved in various research projects, community service initiatives, the development of textbooks, and the publication of scholarly works in the field of Civil Engineering.

Ir. Deyke Junita Femeli Mandang, S.T, M.M, Politeknik Negeri Manado

The author is a lecturer at the Manado State Polytechnic, holding a Bachelor’s degree in Architectural Engineering from the Indonesian Christian University of Tomohon (completed in 2002) and a Master’s degree in Management from STIE Yapan Surabaya (completed in 2018). The author teaches various courses, including Cost Estimation, Project Management, Quality Management Systems, Building Material Technology, and Legal Aspects of Construction Services. The author is actively engaged in research and community service, particularly in the fields of construction management, sustainable infrastructure, productivity, construction technology, infrastructure conditions, and the development of residential environments.

References

Cover

Published

October 5, 2026

Series

BA2026 Teaching Book 2026: Textbook Collection Published 2026

Categories