When designing an HVAC system, remember that... When you design an HVAC system, remember that: 1  All AHU rooms must have a floor drain, as condensation from the air will collect in the unit.  One should provide fresh air to every AHU.
The sales tax in Richmond located in Fort Bend is 8.25% which is above the Texas average of 7.25%. All Fort Bend Sales Tax âº.
Richmond is a city in the U.S. state of Texas and the seat of Fort Bend County, within HoustonâThe WoodlandsâSugar Land metropolitan area.As of the 2010 U.S. Census, the city population was 11,679. Richmond city boundaries are joined on one hand with Sugar Land and with the city of Rosenberg on the other hand.n August 16, 1889, the town was the site of the Battle of Richmond, an armed fight culminating the Jaybird-Woodpecker War, a violent feud over post-Reconstruction political control of Fort Bend County.