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part of the overall chemical feed system , which was installed when the plant was commissioned in 1981 . From the initial assessment by ACT, it was determined that the chemical system had been contaminating the surrounding soil for an extended period of time . ACT ' s initial investigation also determined the effected site area was larger than was first determined by staff. Excavation , removal , replacement and recompaction of soil material , to a depth of eight feet in the chemical storage area of the plant, was required for contamination removal . The effected area contains other underground chemical feed and utility systems . The presence of these systems increased the difficulty in removal of the contaminated soils . The total amount of the soil and material that was removed and replaced was 45 tons. Through the Emergency Work Authorization, staff has coordinated with the necessary state regulatory agencies to effect the site clean up. The repairs and clean up are complete at this time . As previously stated, the initial Emergency Work Authorization for emergency repairs and removal of the contaminated soil was in the amount of $ 10 , 500 . 00 . At this time, the expense for additional clean up and repairs to the site is $30, 978 . 10 . (516,981 .25 + $ 13 , 996 . 85 ) . Staff is currently working with ACT to prepare a chemical line replacement plan, to overhaul and upgrade the current chemical feed systems at both the North and South County RO plants . The upgraded chemical feed system will utilize double walled chemical piping with leak detection . This Work Authorization will be brought back to the Board of County Commissioners for approval/authorization at a later date . RECOMMENDATION The Department of Utility Services is requesting Board approval and payment to ACT for the Emergency repair of the sodium hydroxide line and cleanup of the ground contamination at the South County Reverse Osmosis (RO) in the amount of $ 30, 978 . 10 . FUNDING SOURCE : 471 -000- 169-522.00 LIST OF EXHIBITS : 1 . Field Services Agreement, August 28 , 2001 . 2. Memorandum dated August 28, 2001 3 . ACT statement dated September 10, 2001 4 . ACT Letter dated September 10, 2001 ON MOTION by Commissioner Adams , SECONDED BY Commissioner Macht , the Board unanimously (4 - 0 , Chairman Ginn absent) approved the emergency repair of the sodium hydroxide line and the removal of contaminated soil at the South County RO Plant by ACT and authorized payment in the amount of $ 30 , 978 . 10 , as recommended in the memorandum . October 2 , 2001 99 61 1 I P