Item 28 - Water Well, Pump, and Motor Rehabilitation and Repair Services

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A I RB U RST@ W 188 S7618 Oak Grove Drive T601`10,01,0ft, L L O Muskego, WI 53150-9208 Weil Phone: (262)679-3903 Fnx: (262)-679-4620 www.au•bursttechnology.com E-mail: bilt(rr,)airbursttechnology.com 9, The AirBurst air bun has tiring Chambers available from I cubic inch up to 500 cubic inches and six different sized air guns for broad application coverage. The 500 cubic inch chamber has the energy potential, in terms of foot-pounds, roughly equivalent to 0,6 pounds (273 grams) of dynamite. The smaller AirHUI'St air guns can easily and confidently rehabilitate screened sand and gravel wells and even delicate Schedule 80 PVC well screens. According to current Air -Shtick literature the largest chamber available is 262 cubic inches with limited port area thereby reducing discharge energy to only 34.6 grams ofdynamite at 3000 psi without any hydrostatic pressure. AirBurst air guns have port areas larger than throat areas in air gun so that there is minimal restriction to the e(tergy discharge. Airl3ur9l air guns have many different sized air storage chambers for each air gain, Ilse bolluin chambers can supply be interchanged within Minutes, when Moro or less energy is required, Air -Shock mull exchange the entire gun for another unit. The energy available From a Bolt air gun with a given chamber size and pressure vs the Air -Shock gun is 3 to 8 times greater than Au --Shock, yet the Airilurst energy is adjustable to low enough to address PVC well screens. Air -Shock's energy claim is at 3000 psi wi(houl any hydrostatic pressure, (lie Boll air gun energy is at a depth of 30 feet, an extremely significant factor in favar of the molt air gun energy, which would be even greater if calculated without hydrostatic pressure. l U. AirBurst has specifically mantrfzcttired pneumatic control panels to tacilitate safe and accurate pressure operation of the air gun. AirBurst typically uses compressed air or can use nitrogen as the energy source for the au• gun; the air Is not used to penetrate the screen and/or geological formation. The AirBtlrst can be } provide mathematical calculation in Excel formal, to determine bubble size so that the gas does not penetrate the screen; Other companies Ilse random pressure and air gun sizes. 11. Airl3ursi routinely uses the intink and efficient supply of compressed air from high pressure and low volu+ne air• cotttpressor•s; a constant Pressure is maintained throughout the project, unlike depleting nitrogen cylinders. AirBtlrst can also efficiently use compressed gas such as nitrogen if specified. However, it is important to note that the air produced by all colnpressors is 78% nitrogen, so the use of nitrogen gas is of little benelil. AirBurst egtlip(tzeal is trailer mounted and is totally self-contained, there is no waiting for gas suppliers to deliver nitrogen, which can be a major issue if additional gas is need for a big project, there is no additional expense for more compressed air and no waiting. The electronic air gun shuttle timing assures the most efficient use of the gets, where Air -Shock has no control of the efficiency nor does Air -Shock normally offer an air compressor option, it must rely upon delivery of nitrogen to each project location by the nitrogen supplier. 12, Airl3urst equipment gives fttII st rlacL a •�Lont(yl and flex lbIIily to the AirRurst technician. The intensity of energy discharges from the air gun is changed at the tarn of•a pressure regulator valve. The frequency of the energy aisuhargcs can he increasc(l or decreased by movement aI'a dial on the elcctrtmic control panel, all without removal of ilic cqui menu_ liynt i titi'cll, Air -Shock does not have these types of controls. 13. Airl3ttrst does not use packers or surge block plates, which can trap air/gas and force air into the well formation 14. AirBurst tool is supported by and hoisted by a high s(rength wire rope from a pump service cra u , Air - )Shock is supported and hoisted by an air hose on a portable reel with minimal lifting capacity. Which one would you want supporting the tool in a tight hole'?