Craftsmen Specification 20 - Slot Drain ( US Patents : 7,909,531 B2 , 8,272,807 B2 , 8,419,311 B2 , 8,992115 B2 ) The perfect slot drain , patented , safer and mechanically stronger than metal grate systems .
Service drive at Shaw & Sons includes Craftsmen architectural finish with our patented stormwater systems housing storm water per rain occurance .
Craftsmen Specification 21 - Oceansafe ( US Patents 7,351,004 B2 , 7,575394 , 7,651,293 , 7,699,577 B2 , 8,160,563 ) With pervious paving requirements to filtrate storm water and replenish groundwater , Shaw & Sons invented a superior system that is unparalleled . We were awarded the City of Costa Mesa Green Design Award for our installation of Oceansafe at our construction storage yard . Disadvantages of traditional pervious paving are it is typically not equipped with a filter , the surface unravels easily , clay soils prevent infiltration , there is no reinforcing , and there is no recourse of capture if there is a contaminant spill . Our specification provides solutions to these issues and can be used with any paving surface , vehicular or pedestrian . Oceansafe uses piping to catch the first 300 gallons of fluid in case there is a fuel or toxic spill .
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