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For maximum credit in the Schedule, a ladder or service company should respond on first alarms to all reported fires in buildings. It was determined the ladder or service company response is to 100%of first alarm fires in buildings. For maximum credit in the Schedule, 2 service companies are needed in your district. This need is calculated as follows: 2 service companies due to the lack of 5 or more buildings in response areas with a needed fire flow of over 3,500 gpm or 3 stories in height; or due to the method of operation. We have recognized 1.5 service companies. Tests and sample forms for recording tests for aerial ladder and elevating platforms are described in NFPA 1911, Standard for the Inspection, Maintenance, Testing and Retirement of In-service Automotive Fire Apparatus. If a ladder company is needed,the available equipment items in Table 544.A are summed to determine the points received for a Service Company, and available equipment items in Table 544.B are summed to determine the additional equipment points available for a Ladder Company. Table 544.A and 544.B points are added together to determine the total possible points available out of a possible 784 points. If a service company is needed,the available equipment items are summed in Table 544.A. If additional ground ladders are needed for the service company, the assigned points for each available ground ladder up to 4 (from Table 544.B) are added to the points determined in Table 544.A. All ladder company equipment, available service company equipment, available engine- ladder company equipment and available engine-service company equipment are summed. This sum is then divided by the sum of 784 points multiplied by the Needed Ladder(NL) plus 334 points multiplied by the Needed Service (NS) companies plus any points assigned for any additional ladders from Table 544.B. Next, this factor is multiplied by the appropriate factor (A) representing the percent of built- upon area of the city with first alarm response of a ladder, service, engine-ladder or engine- service company to fires in buildings. Finally, this product is multiplied by the 5 points available for the `Credit for Ladder Service (CLS)". The points calculated for Indian River CO FD resulted in the following: CLS =2.71 points Item 553—Credit for Reserve Ladder and Service Trucks The next item reviewed is Item 553 "Credit for Reserve Ladder and Service Trucks (CRLS)". This item considers the adequacy of ladder and service apparatus when one (or more in larger communities) of these apparatus are out of service. The number of needed reserve ladder and service trucks is 1 for each 8 needed ladder and service companies that were determined to be needed in Item 540, or any fraction thereof. When 8 or less ladder and service companies are needed, and 1 or more ladder companies are needed, the reserve truck should be a ladder truck. When the number of needed reserve ladder and service trucks exceeds the number of needed reserve ladder trucks, the difference is considered as needed reserve service trucks. ®ISO Properties,Inc.,2007 Page 21 59