EBASE - Estimates and Bids Analysis System
A PC based application that is used for project development, advertisement, and award of a project. EBASE has a database embedded in the program that provides unit bid history (see Unit Bid Analysis).
UBA - Unit Bid Analysis
An online application used to compile reports or by-item information using Bid History data supplied by EBASE. This system is limited in the variety of queries available. This data is mostly used as a cost estimating source.
Bid Tabs Pro (OMAN Systems)
A private company PC based software program using data from EBASE that generates reports or queries. Great flexibility is built into this software. Queries can be by contractor, quantity, county, bid letting dates, and many others. This data is mostly used as a cost estimating source.
RS Means Heavy Construction Cost Data, 20th Edition
RS Means publishes guides for construction cost estimating. Their heavy civil guide includes highways and roads and can be checked out through the WSDOT library. The Means Manual can used to prepare a cost based estimate as this database provides production rates, crew sizes, material costs, and equipment costs. Contractor overhead and profit has to be added.
Bid Results and Contract Awards
Recent projects can often be used as a basis for the most current bid pricing. The Bid Results and Contract Awards website allows the estimator to review recent bid result. The user should be familiar with the project being bid. Bid data for specific items can be found using the Standard Item Number.