The value of this contract can be estimated based on the information provided in the contract document. The contract involves land maintenance services for the City of Pittsburgh's real property portfolio, which includes approximately 4,400 properties. The contract has a term of three years, with an option to renew for an additional two years. The City will pay vendors on a monthly basis, with detailed information about the work performed and hours worked. Based on this information, the estimated value of the contract can be calculated as follows: * Assuming an average cost of $25 per hour for labor, and an average of 2 hours per property per month, the total monthly cost for labor would be approximately $220,000 (4,400 properties x 2 hours/property x $25/hour). * Assuming an average cost of $500 per property per month for equipment and materials, the total monthly cost for equipment and materials would be approximately $2,200,000 (4,400 properties x $500/property). * The total annual cost for the contract would be approximately $26,400,000 ($220,000/month x 12 months + $2,200,000/month x 12 months). * The total contract value for the three-year term would be approximately $79,200,000 ($26,400,000/year x 3 years). Therefore, the estimated value of the contract is approximately $79,200,000.