110+
projects
20+
years of experience
1000+
happy clients
“I plan and manage construction costs with precision — ensuring every project delivers quality, efficiency, and value.”
“I plan and manage construction costs with precision — ensuring every project delivers quality, efficiency, and value.”
Tarumanegara University - Jakarta — 2015
Completed a master's degree in civil engineering, focusing on advanced structural analysis and construction management.
ISO 9001 — 2006
Trained in quality management systems following ISO 9001:2000 standards.
University of 17 August 1945 - Semarang — 2003
Completed undergraduate studies in civil engineering, covering construction, materials, and design principles.
IAS Computer Training Centre - Semarang — 2003
Learned computer-aided design using AutoCAD 2002 for technical drawings and drafting.
Dian Surya Training Centre - Jakarta — 2004
Trained in project scheduling and management using Primavera software.
Computec - Yogyakarta — 1998
Learned fundamental AutoCAD skills for engineering drawings and design drafting.
KSAKS UNDIP - Semarang — 1997
Received training on SAP 90 for structural analysis and planning.
Begin by understanding the project scope, reviewing construction drawings, and identifying work volume requirements in detail.
Perform Quantity Take-Off (QTO), cost estimation, and site inspection to ensure the work meets specifications and safety standards.
Jakarta, Indonesia
Deputy Project Manager and Quantity Surveyor reporting to client; preparing Preliminary Cost Plans, managing tender and construction processes until the handover, regular reporting on cost throughout the construction to the Client. Responsible for the design, Execution Drawing, Bill of Quantity, tender specification of several projects.
Dili, Ministry of Infrastructure, Republica Democratica de Timor Leste
Carrying out construction cost calculations consists of calculating the quantity and cost analysis of project components, preparing a project cost plan.
Transportation Sector Office, Goverment Of West Java Province
Carrying out construction cost calculations consists of calculating the quantity and cost analysis of project components, preparing a project cost plan, and ensuring efficient budget allocation and financial management throughout the construction process.
Bali Island, Indonesia
Evaluating a bridge with a span of 150 m due to plans for adding traffic lanes starts with conducting core drill tests, UPV tests, evaluating the existing structure based on core tests and UPV, calculating the strength of the bridge, and analysis and also calculate according to the remaining strength of the existing bridge structure.
Mott Mac Donald Consultant
Review traffic demand projection and traffic flows plans, update the traffic database with traffic counts survey, design of traffic facilities and devices Intersections for Semarang and Surakarta, also prepare the Traffic Management Plan for construction activities. Traffic management during construction period, including preparation to install of the temporarily traffic signs and markings
“ Ronny works very professionally as a Quantity Surveyor. His cost estimations are always accurate and help our projects finish on time. ”
“ Very detailed and communicative. Ronny’s site progress reports are always neat and easy to understand, making decision-making easier for our team. ”
“ As a colleague, Ronny shows great precision in quantity take-offs and unit price analysis. Highly recommended for large-scale projects. ”
“ Collaborating with Ronny is a pleasure. He can align cost estimations with our designs without compromising quality. ”
“ Ronny has exceptional integrity and expertise. His project supervision reports greatly help us control both quality and cost. ”
“ Ronny works very professionally as a Quantity Surveyor. His cost estimations are always accurate and help our projects finish on time. ”
“ Very detailed and communicative. Ronny’s site progress reports are always neat and easy to understand, making decision-making easier for our team. ”
“ As a colleague, Ronny shows great precision in quantity take-offs and unit price analysis. Highly recommended for large-scale projects. ”
“ Collaborating with Ronny is a pleasure. He can align cost estimations with our designs without compromising quality. ”
“ Ronny has exceptional integrity and expertise. His project supervision reports greatly help us control both quality and cost. ”
“ Ronny works very professionally as a Quantity Surveyor. His cost estimations are always accurate and help our projects finish on time. ”
“ Very detailed and communicative. Ronny’s site progress reports are always neat and easy to understand, making decision-making easier for our team. ”
“ As a colleague, Ronny shows great precision in quantity take-offs and unit price analysis. Highly recommended for large-scale projects. ”
“ Collaborating with Ronny is a pleasure. He can align cost estimations with our designs without compromising quality. ”
“ Ronny has exceptional integrity and expertise. His project supervision reports greatly help us control both quality and cost. ”
“ Ronny works very professionally as a Quantity Surveyor. His cost estimations are always accurate and help our projects finish on time. ”
“ Very detailed and communicative. Ronny’s site progress reports are always neat and easy to understand, making decision-making easier for our team. ”
“ As a colleague, Ronny shows great precision in quantity take-offs and unit price analysis. Highly recommended for large-scale projects. ”
“ Collaborating with Ronny is a pleasure. He can align cost estimations with our designs without compromising quality. ”
“ Ronny has exceptional integrity and expertise. His project supervision reports greatly help us control both quality and cost. ”
portfolio
services
I prepare detailed Bills of Quantities (BOQ) for construction projects, including accurate measurement of materials, labor, and equipment requirements. I calculate material take-offs, unit costs, and total project costs remotely, providing precise estimates to assist in budgeting and planning.
Start from: IDR 500,000
I conduct remote project inspections and quality audits to ensure construction work complies with design specifications, safety standards, and contractual requirements. I generate detailed inspection reports with photographic evidence, recommendations, and action plans, all delivered digitally.
Start from: IDR 400,000
I provide comprehensive cost estimation for construction projects, including direct and indirect costs, contingency planning, and financial analysis. By reviewing drawings, project scope, and market rates remotely, I help clients make informed financial decisions and optimize project budgets.
Start from: IDR 600,000
I calculate precise material quantities and prepare procurement schedules to ensure projects have the right resources at the right time. I also provide guidance on sourcing cost-effective materials, all through remote collaboration and digital reporting.
Start from: IDR 450,000
I offer expert guidance on construction project challenges, including design review, cost control, scheduling, and risk assessment. As a remote freelancer, I provide actionable solutions, consultations, and progress reviews through calls, emails, or virtual meetings.
Start from: IDR 500,000
I analyze project workflows, resource allocation, and costs to identify inefficiencies and suggest improvements. Using remote data review and digital tools, I help clients streamline operations, reduce costs, and improve overall project performance.
Start from: IDR 550,000
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A modern personal portfolio that effectively showcases a developer's experience, services, background, and projects, designed to increase opportunities for finding freelance or remote work
