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Construction Cost Estimation. Michael Mincic Civil Engineering Technology Department 22 February 2007. Civil Engineering Technology at CSU-Pueblo. Bachelor of Science CET Four year degree accredited by the Accreditation Board for Engineering and Technology TAC-(ABET). Outline.

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construction cost estimation

Construction Cost Estimation

Michael Mincic

Civil Engineering Technology Department

22 February 2007

civil engineering technology at csu pueblo
Civil Engineering Technology at CSU-Pueblo
  • Bachelor of Science CET
    • Four year degree accredited by the Accreditation Board for Engineering and Technology TAC-(ABET)
outline
Outline
  • Construction Cost Estimating
  • Bid Documents
  • The Estimation Process
  • Cost of Construction Labor & Equipment
construction cost estimating
Construction Cost Estimating
  • Estimating is not an exact science!
  • Construction knowledge
  • Common sense
  • Good judgment
  • Lots of Luck!!!
types of estimates
Types of estimates
  • The construction process players
    • The Owner
    • The Designer
    • The Contractor
  • Approximate Estimates
  • Detailed Estimates
organization of estimates
Organization of Estimates
  • See Steps for preparing a detailed estimate (pg. 8, Table 1.2)
  • CSI Format
    • Building Construction
    • 16 major divisions
  • WBS Format
    • Heavy Engineering
awareness of estimation items
Quantity Take-Off

Labor and Equipment crews

Checklist of Operations

Bid Documents

Addenda & Change Orders

Overhead

Material Taxes

Labor Costs

Workmen’s Compensation Insurance

Labor Burden

Bonds

Insurance

Awareness of Estimation Items
bid documents contract documents
Bid Documents & Contract Documents
  • Bid Document
    • Before Agreement
  • Contract Document
    • After Agreement
  • Architect
    • building type
  • Engineer
    • Heavy/Industrial
bid documents
Bid Documents
  • Contract Requirements
  • Arrangement of Contract Documents
    • Business/legal matters
    • Technical matters
  • Building Construction Specs
  • Heavy/Highway Specs
bid documents1
Bid Documents
  • Requirements
  • Bid Solicitation
  • Instructions to Bidders
    • Time of completion
    • Obligation of Bidder
  • Information Available to Bidders
  • Bid Forms
    • Lump sum
    • Unit price
drawings
Drawings
  • Heavy/Highway
    • Plan, profile, earthwork, cross section, details, schedules, etc.
  • Building Construction Drawings
    • Civil
    • Architectural
    • Structural
decision to bid
Decision to Bid
  • Assess the desire to Bid
    • Do we want to bid this project?
    • Do we have the skills to complete this project?
    • Do we have the available labor to complete this project?
    • Do we have the necessary equipment to complete this project?
    • Do we have experience with similar projects?
    • How busy are we?
    • Can we bond for the additional work with the existing projects?
additional decisions to bid
Additional Decisions to Bid
  • Geographic Location
  • Complexity of the Project
  • Owner’s Reputation
  • Designer’s Reputation
  • Do we want to expand?
sources of labor rates
Sources of Labor Rates
  • Union Wage
    • Predetermined by contractor’s union
  • Open-Shop
    • Agreed upon by the employer and employee
  • Prevailing rate
    • Dependant on the local area
  • The Cost of Labor
employee costs
Employee Costs
  • Social Security Tax
  • Unemployment Compensation Tax
  • Worker’s Compensation Insurance
  • Public Liability & Property Damage Insurance
  • Fringe Benefits
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