Inquiry (采购产品): fiberglass manhole cover and frames Do you have 60-inch diameter fiberglass manhole frame and cover ?Can they resist H20 traffic loads? What is the ball park cost for each set? delivery time? **** Hidden Message ***** George Chiu 95655 Company: SRCSD E-mail: chiug@saccounty.net **** Hidden Message ***** chiug@saccounty.net