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42-1 L) Q l o VJ <br /> Single Zone Surface Dual Zone <br /> Gas Tight Fitting --- _ ►i- <br /> Prnhe Bnx (optional) <br /> 2 foot excess tubing (coiled)2 foot excess tubing (coiled)' <br /> Bentonite Grout • , <br /> (H permanent) <br /> or <br /> Hydrated Bentonite <br /> (if semi-permanent) <br /> Tubing --�----_ <br /> (metal. nylon, PEEK.telkn*.) <br /> r Ft <br /> DBT -- —1 Ft Dry Granular Bentonite DST <br /> �- 6.5 Ft <br /> ST _ Probe Tip F ST ! <br /> - - .w""—_------ - 7.5 Ft j <br /> -BQ#►, -I Ft Sand <br /> Bentonite Grout <br /> Legend (it permanent) <br /> 8D borehole diameter (inches) or <br /> BLV = borehole linear volume (mt/ft) Hydrated Bentonite <br /> DBT = dry bentonite thickness (it) (if semi-perniament) <br /> DBV = dry bentonite volume (tnl) <br /> ID = tubing inner diameter (inch) -1 Ft Dry Granular Bentonite, <br /> PV = purges volume (171110 <br /> ST - sand pack thickness (ft) Probe Tip <br /> SV = sand pack volume (ml) ` ..� -w_13.0 Ft <br /> TL = tubing length (R) -1 Ft Sand ti 08 T <br /> TLV = tubing linear volume (ml/ft) Y __X_14.0 Ft <br /> TV = tubing volume (ml) ST14.5 Ft <br /> PEEK = Polyetheretherketnne �15.0 Ft r <br /> X B if tubing ID = 3116" = 3 inch <br /> (1) TV = TL. x TLV � (TL) 9.5 ft for 7.0' X 16 If tubing ID = 5/16" = 104.5 ml for 7.0' <br /> 9 2 foot excess tubing (coiled) 17.5 ft for 14.5' X 1 if tubin 10 = <br /> 1/4 <br /> 192m1 for 14.5, <br /> X 350 if BD = 2 1/P. = <br /> (2) DBV = DBT x BLV = (DBT) ] foot- X 820 if BD = 3 820 ml l <br /> 1 foot <br /> X if BD <br /> X 280 if BD = 2 1/8 <br /> (3) SV = ST x BLV (ST) 1 foot X 660 If BD = 3114" 660 ml __— ,1 i 1 <br /> 1 foot X if BD = <br /> Now porosity of 90%used for ary bentonit+a and —1585 ml for 7.0' <br /> A0''- t,sed for#3 sand pack to calculate BL'v 1 PV = 0)TV + (21 D8V t (3)-SV = —1672 ml for 14.5' <br /> Source: DTSC(2015) Soil Gas Advisory <br /> f <br /> Stephen G. Muir <br /> Lonng Geologist & Geophysicist <br /> One (1) Purge volume for 7.0 foot sample= 1585 ml per volume Luste-Cal LLC <br /> 6 and 110 E.Turner Road,Lodi <br /> One (1) Purge volume for 14.5 foot sample= 1672 ml per volume Joaquin County County,California <br /> Dual Zone Soil Gas Well <br /> ermanent Completion Diagram <br /> 5 Figure 3 <br />