Cost EstimationStrategies for Keeping Track of
the Vastness
Presented by:David Lake, P.E.Roadway DesignerNevada Department of TransportationEmail: [email protected]
Introduction1. How many bid items do you think
were used on US95 2A?2. How many sources/divisions
contribute to the estimate?3. What are some good strategies to
keep track of bid items?
Agenda
1. Quantities2. Estimate3. Contract
Awarding 4. Conclusion
Roadway Quantity Breakout & Calculations
Master Quantities Roadway Breakout
Structure List
Barrier Rail Length of Need
ADA (driveways) Areas/ Cross Sec
ADA (Sidewalk) Areas/ Cross Sec
3 sheets
Earthwork Cross Sections
Structure Sections Station/ Offset
Geotextile Locations/ Areas
Traffic Control
Sign Matrix TC phasing
Device Matrix TC phasing
Detour Cross Sections
Striping Excel Calcs Areas
Compiled Estimate Breakouts Sub-Breakouts Excel Calculators CADD Calculations
Other Division’s Breakouts and Calculations
Master Quantities
Hydraulics
Ditch & Channels Excel Calcs DGN
Culverts Pipe matrix CS/ Lengths
ITS CMS CMS matrix Conduit
Signs Cantilever Sign Matrix CS
Lighting High Mast Lighting Matrix Area
L&A Decorative Rock Area Designations Areas
Structures
MSE walls
Wall Matrix Profiles/ Volumes
Excavation CS
Bridge Resurfacing Deck Inventory Areas
Sound Walls SW List ProfilesCCRFC
Compiled Estimate Breakouts Sub-Breakouts Excel Calculators CADD Calculations
CADD file• Removal of
Composite surface
Excel Calculator
s• Driveway Calculator
Sub Breakout
• Structure List
Roadway Breakout
• Master Quantities
~Look at Actual Quantity
Calculators~
State’s Estimate Program• Integrated Project Development (iPD)
Estimator Specialist
• Ensure Correct Coding
• Handles Permit funding
• Oversees Estimate Status
Roadway Designer
• Creates Estimate
• Inputs Quantities
• Creates Breakouts
• Obligates Funding
Manager
• Unit Price Checker
Special Provisions Writer
• Approve Bid items
Finical Management
• Oversees preliminary costs
• Reserves money sources
Analyzing Different Types of Estimate
Engineers Final Estimate
Estimate Breakout Items
Has bid item descriptors
Contract Work Item Price Report
Shows compiled Breakouts
List all bid items and prices~Look at Actual Estimates~
Contract Awarding• Low bidder gets the job
• Various Types of Submittals:
• change order?
• What is a supplemental?
• What is a revision?
~Look at Actual Bid Tab~
Conclusion• Tips to keep track of quantities
• Structure that builds in expectancy
• Ability to update a quantity conveniently
• Linked quantities
• Estimates have transparency to all divisions, common language
• Contract Awarding
• Low Bidder gets the job
• Contractor’s are looking to make the must money, it’s a business.
Questions?