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77-159 & 77-199 <br />Nitz, Inc. -2- June 9, 1977 <br />length and located on the southeast side of the proposed <br />house with the trenches running, parallel to the downslope <br />contours, as shown on the att.,.bed sketch. The optional <br />location per the sketch was ,.nc -ded doe to its possible <br />easier accessibility. <br />Lot 4, Block 2: The system designed for Lot 4, Block 2 <br />(McCrath residence) was based on the results of percolation <br />tests P-5 through P-8, which indicated an average of 42 mpi. <br />For this system, a total of 290 lineal `-et of absorptive <br />trench per bed -Dom would be required, efore, the drainfield <br />system consisting of '70 lineal feet of .)sorptive trench <br />was &.Agned 'based o- a 3-bedroom home for this lot. In <br />order to meet this requirement, six absorptive trenches S8 <br />feet in length starting approximately 60 feet southwesterly <br />of the proposed southwest house corner and as shown on the <br />attached s?.r h, appear suitable for this lot. <br />It has beer,:ar pleasure to be of service to you on these <br />projects and if we can be of further assistance in evalu- <br />ating the enclosed data, kindly contact us at your convenience. <br />Very ;rely yours, <br />RALA ENGINEER. G TESTING, INC. <br />�Denn, M. Rietschel <br />ErtginLeriI4 As 'stant <br />• /_ <br />C. G. Krus <br />Vice President - Engineering <br />r'MR/CGK: skf <br />rh, cc itrot of this report And supporting documents air for the enclustve use of the anrne»re In IM absence,-t our poor wr.nen approval <br />we make nu reprrsentahon And assume no it Yphad, to any othm parbrs regarding such conlrnt <br />9RAU11" <br />ENGINEERING TESTING <br />