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JUN 11 1986 <br />BOOK 64 ol.)E 686 <br />REMOVAL OF ROCKS IN LANDFILL BORROW PIT <br />The•Board reviewed the following memo dated 6/2/86: <br />TO: BOARD OF COUNTY COMMISSIONERS DATE: JUNE 2, 1986 <br />THRU: L. S. THOMAS <br />ACTING ADMINISTRATOR <br />VIA: TERRANCE G. PINT <br />DIRECTOR, UTILITY SERVICES <br />FROM: RONALD R. BROOKS <br />ENVIRONMENTAL ENGINEERING SPECIALIST <br />SUBJECT: REMOVAL OF ROCKS IN LANDFILL BORROW PIT <br />A, <br />BACKGROUND <br />The landfill operations include removal of soil material from a <br />borrow pit to cover the waste material that is received. Soil <br />material has generally been removed and transported to the waste <br />dump areas by use of a vehicle called a "Pan". We have encountered <br />a layer of rock within the borrow pit that varies in depth of 1 - 4 <br />feet and covers approximately 70% of the surface area of the pit, <br />thereby, restricting the use of the "Pan" for removal of soil <br />material. <br />In addition, the rock layer is so hard that use of all available <br />landfill equipment has proven to be futile in attempting to remove <br />the rock and has only resulted in damage to the equipment. <br />The Road and Bridge Department has inspected the site and has <br />determined that they also do not have any equipment that is capable <br />of removing the rock layer. <br />Throuah observations by equipment leasing representatives and <br />personnel• from the Landfill and Road and Bridge Departments, it has <br />been determined that the quickest and possibly least expensive means <br />of removing the rock layer is to lease a large D8K tractor with a <br />blade and hydraulic ripper. The work would take approximately two <br />weeks and would be performed by County personnel. <br />Since the rock I-ayer is severly restricting the excavation of soil <br />material for covering the incoming waste material it is necessary <br />that the equipment needed to remove the material be leased as soon <br />as possible. <br />The following equipment rental businesses have been contacted for <br />quotations on the leasing of the equipment: <br />1. Dewind Equipment 2. Florida Georgia Tractor Company 3. <br />Moody Equipment 4. Kelly Tractor 5. Ring Power Corporation <br />24 <br />