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	PROJECT SETUP & GENERAL INFORMATION
	Construction Project Cost Estimation Model
	PROJECT DETAILS
	Project Name:		[Enter Project Name]
	Project ID / Code:		PROJ-2026-001
	Project Location:		[Enter Location]
	Project Type:		Commercial / Industrial / Residential
	Client / Owner:		[Enter Client Name]
	Project Manager:		[Enter PM Name]
	Estimator:		[Enter Estimator Name]
	Date of Estimate:		2/12/2026
	Estimate Revision:		Rev 0 - Initial Estimate
	Project Description:		[Enter brief project description]
	KEY DATES & TIMELINE
	Project Start Date:		03/01/2026
	Planned Completion Date:		02/28/2028
	Mobilization Date:		02/15/2026
	Substantial Completion:		12/31/2027
	Final Completion:		02/28/2028
	Duration (Months):		23.9
	COST ASSUMPTIONS & PARAMETERS
	Currency:		USD
	Base Year for Pricing:		2026
	Escalation Rate (Annual %):		3.5%		Annual cost escalation factor
	Contingency Rate (%):		10.0%		Applied to base estimate for unknowns
	Management Reserve (%):		5.0%		Additional reserve for scope changes
	Overhead Rate (%):		15.0%		General & Administrative overhead
	Profit Margin (%):		8.0%		Contractor profit percentage
	Sales Tax Rate (%):		6.5%		Applicable state/local sales tax
	Bond / Insurance Rate (%):		2.0%		Performance / payment bond
	Mobilization / Demobilization (%):		3.0%		Site mobilization percentage
	ESTIMATE APPROVAL
	Role	Name		Signature		Date
	Prepared By:
	Reviewed By:
	Approved By:
	Client Approval:
	NOTES & INSTRUCTIONS
	1. Blue cells are editable inputs. Black text = calculated formulas.
	2. Cost assumptions drive calculations across the entire model.
	3. WBS sheet contains the hierarchical work breakdown structure.
	4. Cost Estimation sheet provides detailed cost entry by category.
	5. Contingency rate applies to base estimate before markups.
	6. All sample data is for illustration - replace with actual data.
	7. Change Orders should be logged on the Change Orders sheet.
	8. Update Actual Costs regularly to monitor project health.
	COLOR CODING LEGEND
	Blue Text	Hardcoded input (user editable)
	Black Text	Calculated formula (within same sheet)
	Green Text	Cross-sheet reference (links from other sheets)