Laserfiche WebLink
�, 2- 3 - � �- �xrsa•� r .€'... a �_ � � iX" c_�- {_ �� _ _x�^ �� �_ avv�arwrl s��-y <br /> x ` <br /> E <br /> project name and locatiorx, the date and trme, and Loclt typethe plast chaps <br /> iniplers <br /> tials. Samples will then be placed in Zip- <br /> sealed, and placed on ice in a cooler. Inf frmtioc�edompletionbof <br /> will be recorded on a chain-of-custody ed or delivered to the <br /> drilling, the samples will either be <br /> shipped <br /> laboratory. <br /> Drill cuttings from each boring will be placed in DOT approved 55- <br /> gallon allon drums• After each drum is filled, it will be sealed, then <br /> labeled. <br /> hed <br /> M, onitoring wells will be constructed usinghein h diameter,ereen ll have e <br /> 40 PVC flush-thread casing and screen. T inch. The <br /> nominal length ofr feet and <br /> be close ll have <br /> withsa schedulet size of 401pVC flush- <br /> will bottomof the sire ed with a lockable <br /> threaded plug. The top of the well will be Capp All casing <br /> expandable plastic plug and covered with a snisr t placement, by <br /> materials will be cleaned and decontaminated, P <br /> the use of steam. <br /> The annular, space between the borehole wall p130 mesh sand.d weU screen will <br /> backfilled with clean Lone Star, or equivalent,paper sacks. The sand <br /> sand will be supplied to the job site in sealed pap racks. eiy Z feet <br /> pack will extend from the bottom of the boring to apF <br /> above the top of the welt screen. <br /> Above the sand pack, a nominal 2-foot layer of be site n sellets ealed Plast c <br /> placed. The pellets will be supplied to the j <br /> pails. <br /> The remainder of the boring will be backfilled with grout. The grout <br /> will consist of Type 1-11 cement, well mixed with bentonite powder <br /> and sufficient water to create a fluid• Depending on the depth of <br /> space to be grouted, the grout may <br /> be tremied into place or poured. <br /> The wells will be covered a with �utility cer and will be et in grout to <br /> surface. The box vnIl h <br /> secure it in place. <br /> will <br /> Both wells will be develmini uhmnof three well volumes of water. <br /> consist of removing a and the <br /> Water levels will be checked before and after development,ppure, pH <br /> purged water will be monitored for conductivity, laced in <br /> - - - The purged-water_vnll be p <br /> swill -and a visual estimate of clarity. drums -_ --- <br /> DOT-approved 55-gallon drums. After development, the <br /> be sealed and labeled. <br /> E <br /> 2-2 <br />