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�. for the various contract items of work involved and no additional compensation will be allowed. ,r 3.10 GROUT PLACEMENT A. Grout shall be placed in a manner that will fill the annular space around the well casing completely. Placement shall be from the bottom upward, using a tremie pipe or tube method. The minimum size tremie pipe used shall be 2 inches (2") inside diameter. When making a tremie pour, the tremie pipe shall be lowered to the bottom of the zone being grouted and raised slowly as the grout material is introduced. The tremie pipe shall be kept full continuously from start to finish of the grouting procedure with the discharge end of the tremie pipe being continuously submerged in the grout until the zone to be grouted is completely filled. B. An accurate record shall be kept of the amount of grout used to fill the annular space. C. After grout placement is complete, the grout shall be allowed to set for a " period of not less than 24 hours. Drilling fluid shall be circulated to eliminate all cement contamination prior to beginning any other drilling operations. D. MEASUREMENT AND PAYMENT: Full compensation for conforming to these requirements, including all the labor, materials, tools, equipment, incidentals, and for doing all the work involved in grout placement, as `r specified in the Standard Specifications, these special provisions, and as directed by the Engineer, shall be considered as included in the prices paid for the various contract items of work involved and no additional compensation will be allowed. 3.11 DEVELOPMENT A. General: Development of the Production and Nested Monitoring Wells is an operation separate and apart from the test pumping; the object being to clear i... the wells of sand and any remaining drilling fluid or mudcake and allow the water to enter the casing so that the testing for production can be done without interruption. B. Equipment: The Contractor shall furnish all necessary swab pumps, compressors, plungers or other needed equipment and shall develop the �.. wells by swabbing, airlifting, surging, jetting or other such methods, approved by the Engineer, that shall give the maximum yield of water per foot of drawdown, and shall extract from the water-bearing formation the maximum .� practical quantity of such sands as may, during the life of the well, be drawn through the screen when the well is pumped under maximum conditions of drawdown. Well development shall be accomplished through a combination La of swabbing, pumping, and surging. All equipment shall be steam cleaned prior to being introduced to the well. Division [II-25