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Amberpoint BP-LR020221 (2)WATER INJECTION OBSERVATION Date of Service: Client No.: Client: Location: Procedure: 02/21/02 3181 Transwestern Commercial Services 5001 Spring Valley Rd. Suite 600 W Dallas, TX 75244 Building Pad Report No.: 94~ Project N~;~-~g~021029 P,~ct: Amberpoint Building Noyt { ~Amber~ Bus. P.5~Coppetl General Contractor: Injector: Jowell On this date, a representative of HBC Engineering, Inc. observed the injection of water at this site. During the injection process, the following observations were recorded. Pass No.: 4th No. of Probes: 4 Probe Length: 10 feet OBSERVATION SPECIFICATION Yes No N/A Surfactant added to each load. X Injection pressure 50 to 200 psi at manifold. X Injection downward in 18 inch intervals. X Total depth of iniection was 10 feet. X Spacing of iniection was 5 feet maximum. X In}ection to refusal at each location. X Comments: The fourth pass was made at lines F to G, Technician: S. Long Report Distribution: (1)Trat~swestem Conm~ercial Services (1) O'Brien & Associates, Inc. (I) TechniStructures, Inc. (1) City or Coppell - Constr. Insp lines I to 5.8 and the first pass was made at lines G to J, lines 1.3 to 5.8 and lines K to M.5, lines 1.3 to 5.8 .- (l) City of Coppell - Bldg. lnsp. (1) Hill & Wilkinson, Ltd. ( 1 ) Halff Associates (1) State Farm Insurance Eugene d~out~r Principal 9911w This report is exclusively for the use of the client indicated above and shall not be reproduced in full wdhout wrillen approval of HBG Engineer ® ©