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 County is located in the heart of the Northern Neck of Virginia, where it lies on the north side of the Rappahannock River. Its 192 square miles of community is within one hour's drive of the city of Richmond, Virginia and within two hours' drive of Washington D.C.