(1). Polyethylene lids will provide an alterative to the heavy iron and cement lids used today. Water utility managers are asking for a lighter lid because they have had a great deal of problems and endured excessive medical expenses and loss of trained workers, caused by injured backs and hands trying to lift and set heavy lids from awkward positions. There is a growing number of employees in maintenance and construction work who are not as strong as their male counterparts or as young. These lightweight durable lids eliminate back and hand injuries while providing all of the listed advantages. (2). Polyethylene lids are easier to drill holes in, too accommodate new touch read and radio read antenna modules. (3). Polyethylene lids will not rust or corrode causing loss of strength. Will maintain a shinny black surface without rusting. (4). Will support foot traffic and lawn maintenance equipment without distortion or cracking.
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