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, . ` , <br /> � <br /> DESIGN REQUIREMENTS <br /> Considerin�;the soil data and minimum design requirements of the Septic System Qrdir�ance, our <br /> proposal is as fol}ows: <br /> Construct a Mound System based on an estimated water usage of 3Q0 gallons per day. <br /> 30U gpd= 300 sq. ft. bed area-miniEn�n because of the lack of a seconclary site. <br /> Design Size 1Q' x 3Q' rUck beci= 3U0 sq. ft. bed area with a do��--nsto�of 17", sideslop�:s of 13'. <br /> 2- 10U0 gal. tank <br /> l- 700 gal. pump ta.nk <br /> CONSTRUCTIQN PR4CEDUItE FOR A SEWAGE'TI2EATMEN'T 1VI4UlYD <br /> Soi! Surface pre.parati�:a <br /> A 2 inch discharge pipe frozn the pump to end of the mound area shall be tnstatled prior to soil <br /> surface preparation. If this supply line is less than 3.5 feet deep it must be insulated to the <br /> equivalent of 3.5 feet. The trench e�cavated to install the discharge pipe shall be carefuity <br /> backfilled and compacted to prevent seepage of ef�luent. <br /> The total area s�1�Gte� for the mc�unci, incltading thZt t�nci�r th�clike�, �h�til b� m���hen�� in orcl�r <br /> to thcr�ughly break up any existing sod iayers and ta �ravidc;a su;tah�c transition zanc between <br /> the original soil and the sand layer oF the mound. The area st�all be roug}�ened only wt�er� the <br /> moisture content of the soil 8 inches below the surFac�e. is drier than the ptastic ii�nit. The ptastic <br /> limit is the soil moisturc content bciow�vhich the soil may be manipulated for purposes of <br /> instalting a soii treatmeriE system, a►�u above which r��ani�uiatiori will cause cotn�iactiu�► and <br /> puddling. Surface preparation or scarification wil! he performed�vith a back-hoe bucket. There <br /> shall be no dead furraw in the mound construction area. <br /> Mound construction shatl proceed immediately after surface prepa.ration is completed. Every <br /> effort should be taken to prevent rain from falling on the prepared sof l surface. <br /> Constructiou RgaEerials&Distributio�af Efttuent <br /> A ciaat� was}�ril sa��d iayet��i�aii br pia�ed where t�►e �ater(rock bedj rnat��riat is tv be tocated. <br /> This sanc� la}�er i�rUst be 3t least �&-inches c�eep and sliazild be d�ep enuugh to level area for <br />