This program is provided mainly for the Bureau of Engineering (BoE) employees to access unit prices on commonly used construction items. The following General Contractor's markups are used for this estimate.Sub Contractor markups are included in unit cost. Here's a break down of what you need to include in your estimates: Standard info: date, estimate number (for organizing and future reference), company info. We provide construction estimating services to home builders and residential building contractors based all over in California and other states. We are one of the top 5 construction estimating firm in the Los Angeles. At our construction estimating company, you can satisfy all project budgeting desires. The final construction estimate along with marked-up plans is delivered in CSI MasterFormat or your customized format as per demand. Project Estimate Sheet. Estimate of the current range of costs across the globe key building types. CALCULATE.