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M�Rvv 15:/--) SEP 13 2011 Manure Management Plan For Project on 21030 E Acampo Road, Clements, Ca 95227 by Jeanine Burkart The manure management plan is for a commercial horse training operation for high-end sport horses.The propsed barn and arena is a"18,000sf structure containing a 100x100 indoor riding arena,storage area and 14 box stalls.A smaller number of horses will be pasture kept year round. The facility will operate year round. The facility is located on the north part of a 30 acres parcel.On the south part of the parcel the owners private residence is located as well as the well and an older redwood barn.We suggest you to see all details on the plot plans and maps that have been endorsed together with the use change permit and now the building permit concerning this project. The prevailing wind direction on the site is from the West. Afurtrur AM fill gvrrrcirf The maximum number of horses in the commercial area proposed in this facility design is 20. The 14 box stalls to be cleaned at least once daily,the manure directly placed on a manure spreader. The further proceeding with the manure on the manure spreader is described later. The bedding material is rice hulls on top of rubber mats. By using rubber mats on top of a hard surface the amount of needed bedding to keep the horse comfortable is very low.A typical 1000 pound horse produces Silbs of manure daily.Since all horses are to be turned out at least 6 hours/day the manure produced in the stalls is less than this amount. Around 38 lbs of manure+2 lbs of rice hulls remain to be collected daily of the box stalls.This should add up to be less than 1 sf/day. This adds up to be a total of 560 lbs/day or 16,800 lbs per month. Horse manure is about 60%solids and 40%urine which is absorbed by the bedding. The remaining amount of horses is pasture-kept.The manure management needs of pastured horses are different than stabled horses.The field-deposited manure is beneficial as it serves as a fertilizer. Substantial amounts of manure can accumulate where horses congregate around gates,waterers, favorite shade areas,feeders, and shelters.These areas will be cleaned(and the manure also added to the manure spreader)for better pasture management, parasite control, and to diminish fly breeding. The manure out of the manure spreader will be applied on land as a fertilizer and soil amendment as the manure spreader is full. On a typical 70 sf3 spreader this will be after 3 days.As fly eggs can hatch in as little as seven days under optimal temperature and moisture conditions this timeframe should