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<br />Project to Fabricate a Remotely Controlled Cloud Seeding Generator <br /> <br />For the Grand Mesa Weather Modification Program <br /> <br />Statement of Work <br />The Desert Research Institute (DRI) has fabricated, installed and operated remotely <br />controlled cloud seeding generators for the Nevada State Cloud Seeding Program for at least 25 <br />years. The current DRI generator is pictured in Figure 1 and, except for some differences in <br />communication equipment, is the same model that is used at all 22 sites in the Nevada Program. <br />For ground seeding applications in mountainous terrain this generator has been found to be <br />preferable to manually operated generators for several reasons. The generators can be sited at <br />relatively high altitude near, or at times above, the bases of winter storm clouds and generally in <br />close proximity to the temperature level at which silver iodide becomes active as an ice nucleant. <br />Carefully selected sites more than half way up the windward slope of a mountain barrier have <br />been shown to greatly decrease the uncertainty in transporting seeding material over a target <br />area. As a potential means of improving the operational capabilities of the Grand Mesa Cloud <br />Seeding Program, DRI proposes to fabricate one of its remotely-controlled cloud seeding <br />generators during the period between June 2008 and October of2008 for use on the Grand Mesa <br />during the winter of 2008-09. The generator will also be transported to the Grand Mesa and <br />installed during the late summer or early fall of2008 (specific date to be determined by DRl and <br />Grand Mesa project staff), but the installation will be covered under a separate contract. <br /> <br />Remote generator fabrication <br />The cloud seeding generator will be fabricated at the DRI cloud seeding facility near <br />Reno, Nevada. All work, including the construction of the steel enclosure, will be done by two of <br />DRI's cloud seeding field technicians. These two employees have built and/or refurbished more <br />than twenty generators of similar design. Every effort will be made to complete the unit to be <br />utilized on Grand Mesa by September of 2008. The generator will remain the property of the <br />DRI and continued use on the Grand Mesa Project will be negotiated on an annual basis. If the <br />unit is not completed by September of 2008, the DR! will supply (loan) a separate unit from its <br />inventory to the Grand Mesa Project so it can be operated during the winter of 2008-09. The <br />newly fabricated unit will then be substituted for the loaned unit in the fall of2009. <br /> <br />Site selection and installation <br />In collaboration with Grand Mesa personnel a suitable site for the generator will be <br />selected during the summer of 2008. This will require a 3-day trip by one of DRI's field <br />technicians to assess one or more sites pre-selected by Grand Mesa personnel. The site must be <br />accessible by road for the generator to be installed in the late summer or early fall, prior to winter <br />road closure. <br />To use one of DRI's generators without significant communication hardware <br />modification the site must have good (Verizon) wireless CDMA signal strength. If as anticipated <br />the unit is operated using a CDMA modem, the Grand Mesa Program will be responsible for the <br />2215 Raggio Parkway, Reno, Nevada 89512-1095 <br />Phone (775) 673-7300 Fax (775) 673-7397 <br />