Procedure: The present worth of each system was taken using the installation cost per linear foot. Added to that was the remove and dispose cost for concrete (with the interest calculated over the. expected useful life of the curbing) or the remove, stockpile and reset cost of the granite, also per. linear foot.
The numbers never change, and the variable hurdles are always the same. Kentucky Derby length - 1 1/4 mile dirt track at Churchill Downs. --->>> 10 furlongs. Preakness Stakes length - 1 3/16 dirt track at Pimlico Race Course.
Secretariat, left, races toward a record win in the Kentucky Derby on May 5, 1973, at Churchill Downs in Louisville, Kentucky. 1  Officials rule that 1973 winner is Preakness record-holder. 2  The official time of 1:54 2/5 was disputed by independent timers.  Using video evidence commission revises time to 1:53 flat.