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! <br /> i <br /> I <br /> I <br /> I <br /> I <br /> I <br /> I <br /> I <br /> I <br /> I <br /> I <br />I <br />I <br />! <br />I <br />I <br />I <br /> <br />windrow will be approximately 14 feet wide at the base and 6 feet <br />high. Between each set of two windrows a work area will be <br />provided approximately 15 feet wide ~o accommodate compost turning <br />procedures. An example of the windrow configuration is shown <br />below. <br /> <br />Windrow turning will be accomplished initially using a front end <br />loader. The procurement of a windrowing machine will be considered <br />if the tonnage of yard waste received is sufficient to support this <br />expenditure. In general if the volume of yard waste reaches 7,000 <br />to 9,000 tons annually the purchase of a windrow machine will <br />become necessary to ensure a successful operation. <br /> <br />After approximately one month, much 'of the initial oxygen demand <br />of the yard waste has been exerted and the windrows will be reduced <br />to about half of their original size through decomposition and self <br />compaction. At this time the two windrows will be combined into. <br />one windrow that is about the same size as each initial windrow. <br /> <br />Combining the two windrows will be done by moving and turning both <br />windrows. Using this process the maximum amount of mixing and <br />fluffing is accomplished. This will also serve to mix the <br />materials, re-oxygenate the interior and expose the cool outer <br />edges to the hotter internal temperatures. The end result is that <br />the decomposition rate is increased and the destruction of weed <br />seeds is enhanced. At this time the moisture content of the <br />compost will be checked and additional water will be added if <br />needed. <br /> <br />4 <br /> <br /> <br />