Inquiry (采购产品): portable ladder I need to gain access to a main unit scroll case which is 60 feet down a concrete wall. I only have 12 feet of overhead room and need to go down through a 36" square hole that has 10 feet of concrete. Do you have a ladder design which would help me? Steven Sipe Mechanical Engineer McNary Project USACE **** Hidden Message ***** steven sipe OR 97882 USA Company: usace Phone: 541-922-2273 E-mail: steven.c.sipe@usace.army.mil **** Hidden Message ***** steven.c.sipe@usace.army.mil
