Capital Cost Estimation For Brownfield Chemical Projects

CapEx-Methodology for capital cost estimation with +/- 20% variation for Brownfield Chemical Projects
What you'll learn
Explains simple methodology for estimation of CapEx for Brownfield chemical projects
How to identify the various cost heads to be covered for Capex
Importance of site survey and approach to costing for Brownfield chemical projects
Example of a brownfield project CapEx with steps and templates
Requirements
Chemical/Mechanical Engineers with fair knowledge of process plant-Machinery and piping.
Description
On many occasions, an EPC company entrusted with the task of submitting a bid for detailed engineering for a brownfield chemical project, would be asked to submit a preliminary capital cost estimate (CapEx) for the proposed project in order to obtain budgetary sanction from the management for implementation.As already stated in my course Engineering cost estimation-Brownfield chemical projects , preparation of CapEx requires certain details and inputs from the customer as also data collected by the EPC company during site survey to assess the scope of the project. Further preliminary drawings like P&ID, Site Layout along with details of scope work are essential for performing this cost estimation.This lecture attempts to define a practical methodology for CapEx estimation with a +/-20% variation in cost for a brownfield project in view of the limited details available for cost estimation and the need to comply with a short timeline specified by customer. Generally this activity will take about 4 to 6 weeks to make the estimate based on site survey report and drawings /data made available.Here, we have assumed that supply of utilities like power, Process water, Cooling water, DM Water, Compressed Air, Instrument Air, Nitrogen, RM and main product storage tanks, vacuum System, Laboratory are under customer scope from existing facilities and only tie-ins for piping , electrical and instrumentation are to be covered in the cost estimation. This project is only an expansion of facility for manufacture by installation of above equipment with minimal investment for civil and structural works. The existing pipe and cable racks shall be extended to cover this new facility . This facility may need a new building to house the above equipment along with new MCC and addition of I/O cards in existing DCS.The first step is creating an individual Excel template to capture the various expenditure to be incurred under all disciplines and populate the details based on above preliminary drawings/documents and site survey reports.
Overview
Section 1: Introduction
Lecture 1 Introduction
Lecture 2 Capex Methodology
Lecture 3 Drawings and Documents required
Section 2: CapEx estimation
Lecture 4 CapEx estimation Templates
Lecture 5 Land Development
Lecture 6 Buildings and Structures
Lecture 7 Process Plant Machinery
Lecture 8 Process Plant Equipment List and Cost
Lecture 9 CapEx-Mechanical and Piping
Lecture 10 CapEx-Equipment Erection, Piping, Painting and Insulation
Lecture 11 Capex-Electrical works-Supply and Installation
Lecture 12 CapEx-Instrumentation-Supply and Installation
Lecture 13 CapEx-Design, Detailed Engineering and Statutory Approvals
Lecture 14 CapEx Summary and Conclusion
Project / Cost estimation engineers in EPC companies executing process plants
Screenshots


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