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i 1 � � . ' � ^ } Dr.Michael Caselnova's Office 4 i Geohazards Project No.2008674 � December 9,2008 � � s 8.0 MONITORING BY THE GEOTECHNICAL ENGINEER OR HIS OR HER ; REPRESENTATIVE � General The Geotechnical Engineer or his or her representative will monitor the pressure grouting operations to document compliance with the specifications outlined above and the duties discussed � below. All injection pipe installations and grouting operations shall be performed in the presence i of the Geotechnical Engineer's representative. The Geotechnical Engineer or his or her � representative shall assume responsibility for verifying the quantity of grout pumped,intervals of ; grouting and deciding if additional or less grout is necessary. � Compliance � The Geotechnical Engineer or his or her representative may stop the grouting operation at any time i if,in his or her judgment,the operation does not comply with these specifications or the work is I unsuitable. j � Daily Records The Geotechnical Engineer or his or her representative will malce all measurements of ground , heave or settlement,installed pipe lengths and grout quantities pumped. Records of each day's grouting operation will be maintained for the benefit of the insurance company and Contractor. � The grout and pipe quantities recorded by the Geotechnical Engineer's representative shall be ; considered the final amounts for pay purposes. ; � Ground/House Movement � During grouting, the Contractor and Geotechnical Engineer or lus or her representative shall ( observe any vertical movement of the ground and house using a transitJlevel. If a downward movement of the ground surface is observed,the grouting operation shall cease and observations � sha11 continue for 30 minutes. Likewise if there is any upward movement of the house, grouting should be temporarily suspended. If the ground does not return to its original grade,pumping sha11 I be resumed at a lower rate of injection. If upward movement is observed,the grouting operation � shall cease. i Existing Utilities/Structures � The Contractor shall exercise care when grouting beneath and adjacent to any underground utilities. j The Contractor is responsible for ensuring the grouting operation does not damage existing utilities, � wells,septic tariks,etc. j l y ; � David Bloomquist,PhD,PE ' Geotechnical Engineer ! Florida License Number 37235 � I i I � I ;