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38.4.3.1 S►�ppXy lir�es sk�al�be�acated either inc�ivad�ally i� dedicated <br /> easemen�s or as st�pply l�ne�e�woarl�s (gaz�gs} zz�corz�nan easements. <br /> Easez�ez�ts shall exte�d co�pletely fram tl�e dorz�inant lot to the <br /> drain�ielc� az�ea. <br /> 38.4.3.1.1 Supply lines s�al�be �c�cated a minaz��anra af 5 feet from the <br /> edge o�an easeme�t <br /> 38.4.3e1.2 VLmenever"flagpole"�y�e accesses are requir�d for remate <br /> drainfields on"flag" lots, The access m�s�be at least 20 feet wide <br /> and allow full aecess for vehicles ar�d equipment fpr installatian, <br /> re�air, or replacement of the system. "Ganged" foreeannain <br /> acc�sses may be reduceci ta 1 S �eet in width as long as there is a <br /> mutual eneroachme�t for each of the system ow�ers ta use for <br /> acce�s. <br /> 38.4.3.1.3 Sup�ly lin�network easements sl�all be�a�dear coinz�no� <br /> ownership and provide for accessibility�o all corz�pp�ents �'or <br /> o�eratio�i,mainte��ance and repai;r. <br /> 38.�.3.1.4 Easements s�all:remaan free of any encum�rances, stn�ctu�res, <br /> or other encroacl�nents and shall be��pt maintained and <br /> accessible. <br /> 38.4,3.�,5 Supply line design specifications sha11 ineet the �ollowing <br /> �ninim�,uri criteria: <br /> • The discharge �zpz�g a�;d s�pply line shall be at least 2 <br /> inches in diarneter, <br /> � 'I`he ultirnate pu�np size and s�pp�y line size shall be <br /> selected such tha� a velocity af at least two #'eet per s�conr� <br /> (nninimurn scour velacity) and �n mare tk�an eight feet per <br /> second{to minimize water�a�nxanering) is achieved. <br /> . � An aecessible bali valve and unzan and a check valve in�e <br /> vertica� po�ition shall be provided on the pump discharge <br /> pipi�g. <br /> • Ac��quate antz-sxphan cievices {pr�feral�ly a svcring check <br /> valve that opens ta atrnosphere upnr�p�unp shutoff} shall be <br /> pravided wher�ev�r i;he disck�arge orifice is at a lowe�- <br /> elevation t�an f1�e pump shutoff level, <br /> • Watertzg�t, flexible �i�e seals (bo�ts} shall be used on <br /> pipes exiting the p�mp tar�l�. <br /> • Force a�x�ains shail be cans�cted of Schedule 40 PVC pipe <br /> labe�ed NSF-PW wit� solve�� welded joints unless <br /> othervvzse specifically designed and apprpr�ed. AI1 pi�e, <br /> �zttz�gs, joir�ts, installation and testing methac�s shall b� in <br /> ca��'oz-�aance with�he appropriate ASTM or ANSI/AW�WA <br /> standards as re�ere�ced in the appendix. <br /> • AlI �ipes seg�nents shall be ma��ec� at the ends with an <br /> identifier (eg. lot number}. Al� supply 1'rnes shall be ei�her <br /> provided wi�h a con�inuous tracer-wzre syste�n ar their <br /> Page 5 0�7 <br /> Review I7ue I7ale: Apri117,Zpp9 <br /> Reviswcd i�y:Environmental Fteakh Director <br />