Laserfiche WebLink
Page 10 of 11 <br /> Imedina@sicehd.com <br /> t: <br /> From: Olton, Shane fmailto:Shane.Olton(a)stantec.com] <br /> Sent: Thursday, July 25, 2013 1:38 PM <br /> To: Lisa Medina [EH] <br /> Subject: 2905 &2908 Benjamin Holt Drive, Stockton, CA - Request for well destruction Variances <br /> Hi Lisa, <br /> As previously discussed, we are requesting a variance in well destruction method from over-drill to pressure grout <br /> for select wells due to utility, access, and/or logistical issues. The following is a list of wells that we are requesting <br /> a variance for with a description as to what the issues are. Please refer to the attached map for well locations and <br /> utilities. Pictures are available if required. <br /> Well I.D. Approved Well Variance Utility Conflicts <br /> Destruction Method Requested <br /> Chevron Wells <br /> MW-6(C) Over-drill Pressure Grout Overhead(Tree);%"non-metallic utility intersecting well column(depth undetermined) <br /> MW-IR(C) Over-drill Pressure Grout 6'from tank pit <br /> ARCO Wells <br /> E-2(A) Over-drill Pressure Grout Overhead utility 10' south (15' high) and 9' northeast (15' high); Sanitary sewer 9" <br /> northeast of well column 10"dee <br /> E-4(A) Over-drill Pressure Grout Subsurface electrical line to station lighting 6"east of well column(1'deep) <br /> E-6(A) Over-drill Pressure Grout Directly adjacent to above-ground vapor tank bollard/compound; vent lines directly <br /> adjacent <br /> E-9(A) Over-drill Pressure Grout Irrigation line 1'6" east of well column (depth undetermined); Subsurface electrical 2'6" <br /> south of well column(depth undetermined);ARCO station sign 6"west of well <br /> E-10(A) Over-drill Pressure Grout Overhead (Tree); Station canopy 6'south of well; Storm Drain 4'6"east of well column <br /> (depth undetermined);Irrigation line 2'6"north of well column(depth undetermined) <br /> MW-3(A) Over-drill Pressure Grout Offsite;Unknown utility 2'east of well column(depth undetermined) <br /> V-1(A) Over-drill Pressure Grout 7'from pump island <br /> V-5(A) Over-drill Pressure Grout Overhead utility(unknown voltage)9'south <br /> V-6(A) Over-drill Pressure Grout Overhead (station awning); Sanitary sewer 1'4" northeast of well column (6" deep); <br /> Product lines 3'south of well column(depth undetermined <br /> V-7(A) Over-drill Pressure Grout Overhead utility(unknown voltage)7'southwest(15'high) <br /> V-8(A) Over-drill Pressure Grout Sanitary sewer 1'6"northeast of well column(7"deep);tank pit 2'south of well <br /> V-9(A)/ Over-drill Pressure Grout Overhead utility(unknown voltage)8'southwest @ 15' <br /> S-7(A) <br /> V-11(A) Over-drill Pressure Grout Tank Pit 10'north <br /> V-12(A) Over-drill Pressure Grout Subsurface electrical line to station lighting 1'6"east of well column(1'deep) <br /> S-2(A) Over-drill Pressure Grout Underground electrical line 6"north of well column(1'9"deep) <br /> S-3(A) Over-drill Pressure Grout Vent lines 7'to the north <br /> S-4(A) Over-drill Pressure Grout Sanitary sewer 1'9"northeast of well column(6"deep);adjacent multiple tank pits(8') <br /> S-5(A) Over-drill Pressure Grout Tank Pit 6.5' north of well box; Overhead utility (unknown voltage) 9' south @ 15'&25' <br /> high <br /> S-6(A) Over-drill Pressure Grout Overhead utility(unknown voltage)9'south @ 15'&25'high <br /> Well I.D. Abnormal Conditions <br /> R-1(A) Over-drill Pressure Grout 12.1"well casing will not fit inside 18"augers for over drill. Request abandonment via <br /> 10.3 sack sand slurry mixture. <br /> 1/29/2014 <br />