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REGULAR P�IEETING OF THE ORONO COUNCIL, JUNE 15, 1978 Page 8 <br /> � , . <br /> P�eMo from Mike Gaffron, Septic System Inspector, SUBDIVISION <br /> dated June 15, 1978, states: 565 Leaf Street <br /> (Continued) <br /> A nur.iber of lots in this subdivision were retested <br /> to find more suitable locations and soils for on-site <br /> sewage treatment systems. - <br /> Lot 1 - The problem on this lot is a very high <br /> water table. Mr. Stielow' s engineering firm has <br /> proposed an innovative mound/fill type system <br /> utilizing draintile to lower the water table. <br /> Slopes on the drainfield site are greater than <br /> allowable and would be remedied by terracing. <br /> This system must have approval of the City <br /> Engineer prior to issuance of a building permit. <br /> Lot 4 - Revised percolation rate 22 min./inch; <br /> 34 min./inch at secondary site. Seasonal water <br /> table at four to five feet. A system of very <br /> shallow trenches or a mound would be required <br /> for this lot. <br /> Lot 9 - Revised percolation rate 15 min./inch; <br /> 78 min./inch at secondary site. [Vater table <br /> at three to five feet. Very shallow trenches <br /> would be allowable on the nrimary site. The <br /> secondary site would require a mound. <br /> Lot 11 - Revised percolation rate 15 min./inch; <br /> 44 min./inch at secondary site. Seasonal water <br /> table at 2-1/2 ft. A mound system would be <br /> required for both sites because of high water <br /> table. <br /> Summary: With the exception of Lot l, all lots <br /> in the proposed subdivision appear to have suitable <br /> soils and locations for on-site sewage treatment. <br /> Lot 1 will require some landscaping and dewatering <br /> for the proposed mound/fill system to work effectively. <br /> This should be carefully reviewed by the City Engineer. <br /> Council Meeting - June 15, 1978 <br /> Butler moved, Mayor Van Pdest seconded, to approve <br /> the preliminary subdivision request of Jurgen <br /> Stielow for 565 Leaf Street per the Planning <br /> Commission recommendations of P4ay 22, 1978, staff <br /> notes of April 28, 1978, Mike Gaffron memo of <br /> June 15, 1978, Popham, Haik, Schnobrich, Kaufman <br /> and Doty letter of June 12, 1978, all subje�t to <br /> the attorney and engineer review of drainage <br /> problems; this lot may not be suitable for any type <br /> of soil absorption system, thus requiring holding <br /> tanks and a regular pumping schedule. Motion, <br /> Ayes (4) - Nays (0) . <br />