Pettit's Supermarket
Pettitt's is a rather small supermarket chain with 10 stores located in sunny Southeast Ireland. Five years ago, the Big Dipper affiliate from Ireland was asked to attend a crisis meeting at their store in Athy, County Kildare. He was first shown a groove traversing the car park to meet the main street. The groove was approximately 200 feet in length. It was caused by the replacement of the 6-inch discharge pipe from the store to the town sewer. This 6-inch pipe had to be completely replaced due to grease-induced arteriosclerosis. To make matters worse this store was located below the level of the street sewer, which meant they also had a sewage lift station. Grease and sewage lift stations don't make for happy bedfellows. Consequently, they had continual problems with the pump mechanism in the lift station. This store had two conventional below ground grease interceptors that were being treated with enzyme dosing. The supermarket management constantly informed their various enzyme suppliers of their problems with the lift station, unaware of their growing problem in the 6-inch discharge pipe.
The enzyme suppliers suggested increasing the dosage. This continued until they discovered the problem with the 6-inch discharge pipe, despite the fact that at this stage they were spending $360 per week on enzyme dosing. When the pipe was replaced and the lift station overhauled they decided that the grease problem was to be eliminated. This was the challenge that was put to the Big Dipper representative. Upon inspection, the main grease generator was pinpointed as the combi-steam oven. This oven was (and still is) cooking approximately 1,800 chickens per week. We installed a Big Dipper model W-350-IS (with one extra wheel) under the combi-steam oven. Five years on, the lift station does not have any problems with grease. A recent CCTV (closed circuit television) survey of the 6-inch discharge pipe revealed that the grease problem has been eliminated. In this particular store, the Big Dipper removes on average 15.6 US gallons/115 pounds of grease per day. Big Dipper is now the automatic choice of grease interceptor in all Pettitt's Stores.
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