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9,. <br /> tt'rk.A <br /> }t SITE EVALU�MON Ry%PGRT <br /> FOR JOHN DOUGLAS IN <br /> ` LOT 30 BLOCK 1, TANGLEWOOD <br /> November 1, 1978 <br /> As requested, and according to the city of Orono regulations, six pereol,,tion <br /> tests and three soil borings Were taken on Cctober 2: -2?, 1978. <br /> These tests were taken in the area shown or, the attached drawing because of <br /> the necessity to be 75 feet from t';e cre(,'c, and the necessity tobe on a slope of <br /> 12 % or leas. :ercolation holes were dui; to a 4�' inch depth being 5 inches in di- <br /> ameter, while the soil borings were inches in diameter to an 8 foot depth. All <br /> holes were due with a Dayton model 22014C auger. <br /> 1 y-! <br /> �{ The average percolation rate for the six percolation holes was 115.1 minutes <br /> t:. <br /> per inch. The water tabl- i'or .ti.+rl was 5.1 feet because of the proximity to a <br /> small depression with a perched water table. S.!.fl2 and N3 were farther from the <br /> depression and laded eater since the water table ,probably drops da•..m to eventually <br /> reach the creek level. S.'3.•r3 uas terminate: at :).5 feet because three attempts to <br /> dig deeper were stoprwd tji the presence of rocks at that depth. f <br /> Because of the slew permeability of the so.tls in tris area, anc. the lack of <br /> v other areas on the loz, -hzit meet the req arec,er.ts for a -lrainfi.ald, it is reeom- <br /> mr:nded that sr. innovative mound system be installed according to the city of Orono <br /> .regulations. Should any additional information he reedar., please contact me. <br /> i <br /> 7 a <br /> •w : <br /> Sincerely, <br /> Mark S. Gronberg, P.S. <br /> i <br /> �M <br /> art r <br /> 3 <br />