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1 03 STANDBY <br /> A During the progress of well construction, it may be necessary for the Engineer to <br /> perform work that will require the drilling crew and equipment to stand idle In <br /> such event, the Engineer will request the Contractor in writing to cease operations <br /> and will state the anticipated extent or duration of the standby time The <br /> Contractor shall promptly furnish such needed assistance and small take all steps <br /> necessary to prevent loss or damage to the well <br /> B Payment for standby time will be paid on an hourly rate as bid by the Contractor <br /> and in accordance with the actual hours as determined by the Engineer <br /> C Idle time of the drilling crew and equipment not ordered in writing by the Engineer <br /> and time for repair and maintenance of the Contractor's equipment will not be <br /> reimbursable under this contract <br /> PART 2 - MATERIALS <br /> 2 01 GENERAL <br /> Provide a complete reverse circulation rotary drilling unit in which the uncased wall of <br /> the drill hole is held in place at all times with a circulating fluid Provide tools, <br /> accessories, power, lighting, water, other equipment, and experienced personnel <br /> necessary to conduct efficient drilling operations at the site <br /> 2 02 DRILL RIG AND PIPE <br /> A The drilling unit and associated equipment for the production wells shall be in good <br /> condition capable of lowering the 18-inch casing and screen for the production <br /> wells to the approximate depth shown below without floatation and have a <br /> minimum drilling capacity according to the following schedule <br /> I <br /> Purpose Capacity <br /> Production 32-inch-dia hole <br /> Wells to the depth of 1000 feet <br /> B The drilling pipe shall be in good condition and shall be connected by standard tool <br /> or flange-type points However, if flange-type drill pipe is used, do not use air <br /> wrenches to make connections after 8 00 p m or before 7 00 a m in areas where <br /> residences are less than 500 feet away Either internal or external air lines may be <br /> used Provide sufficient air line onsite so that the well can be drilled to its entire <br /> depth Do not use periodic exiting from the well to install blank drill pipe for lack of <br /> adequate quantities of air line-equipped pipe <br /> C Equip the drilling rig with instruments capable of continuous chart recording of drill <br /> penetration rate and weight on the drill <br /> 203 MUD TANKS <br /> The mud tank(s) shall be of a volume and shape to remove cuttings from drilling <br /> operations and return fluid suitable for reverse circulation drilling The mud tank(s) shall <br /> be cleaned periodically to maintain proper drilling fluid characteristics <br /> August 2001 Division 111 -19 Ball Park& Park& Ride Wells Ph 1 <br />