Cost EstimationStrategies for Keeping Track of

the Vastness

Presented by:David Lake, P.E.Roadway DesignerNevada Department of TransportationEmail: laked34@yahoo.com

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?