NDS Drainage Products Catalog - Midc-Ent.com

100 Year rainfall MAP1.51.51.5111 1111.522222.5321.5 22 22.5 2 13.542One hour rainfall in inches to beexpected once in 100 years1.5 1.51.5 22.5 3 3 2 22.533.54.54.543.544.54 4.54 5 54.544Load recommendation guideLoad Recommendation GuideClass A• Loads of 1-60 psi.• Recommended for pedestrians, bicycles and wheelchair traffic.Class B• Loads of 61-175 psi.• Recommended for medium-duty pneumatic tire traffic,autos and light trucks at speeds less than 20 m.p.h.Class C• Loads of 176-325 psi.• Recommended for heavy-duty pneumatic tire forklifts andtractor trailers at speeds less than 20 m.p.h.,H-20 rated.Class D• Loads of 326-575 psi.• Recommended for heavy-duty hard tire forklifts at speedsless than 20 m.p.h., H-20 rated.Note: Some installations may require a concrete collar to meet load rating. Loads are based on encasing product in concrete.Product must be installed using NDS instructions.48Note: All dimensions are nominal. All weights are for shipping purposes only. Availability is subject to change.To place an order, visit: ndspro.net, fax: 1-800-726-1998 or call 1-800-726-1994.