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Fairfax County Land Development Services

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Mr. Umakanthan Sivapalarasah, P.E., M.ASCE

Fairfax County Land Development Services

Contributions

1 to 3 of 3 total

RE: Permeable Pavement

Posted By Umakanthan Sivapalarasah 05-22-2017 09:47 AM
Found In Egroup: Horizontal/Subsurface Infrastructure & Transportation \ view thread

Permeable pavements aren't designed and allowed in Virginia when the underlying soils has an infiltration rate less than 0.5 inch/hr: DEQ Virginia, etc. The plastic and mostly expansive soils of Virginia have in-situ infiltration rates much less than 0.5 "/hr, hence porous pavements shouldn't and won't ...

RE: Piezoelectric transducers

Posted By Umakanthan Sivapalarasah 04-17-2017 09:55 AM
Found In Egroup: Horizontal/Subsurface Infrastructure & Transportation \ view thread

Has this concept been tested in northeast-like weather (snow, salt, hot..)? K. Siva ------------------------------ Umakanthan Sivapalarasah P.E., M.ASCE Fairfax County Department of Public Works Fairfax VA ------------------------------

RE: Carbon Disclosure Report

Posted By Umakanthan Sivapalarasah 03-20-2017 02:23 PM
Found In Egroup: Horizontal/Subsurface Infrastructure & Transportation \ view thread

If there are such requirements in U.S., they are being repealed. And that will be the trend for the next 4 years, as a result of the new executive branch of the government. ------------------------------ K.S. ------------------------------