The aluminum access frame and cover, sized as shown on the plans, shall be manufactured by USEMCO, Inc., Tomah, Wisconsin.
The manufacturer shall guarantee the access cover and frame against defects in material or workmanship for a period of five years from the date of purchase.
The aluminum frame shall be of 1/4″ thick extruded aluminum rolled to fit into a concrete well. The access covers shall be of 1/4″ aluminum diamond plate, reinforced with stiffener bars as required. The covers shall be able to withstand a live load of 300 lbs. per square foot. The covers shall have stainless steel hinges and be equipped with a lifting handle and a padlock locking post (padlock by others). The covers shall open to 90 degrees and lock automatically in that position by a stainless steel positive locking arm.