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41 -060 Fire Sprinkler Narrative - Lot 5 Ridge View Rd 3-24-17 AUTOMATIC FIRE SPRINKLER SYSTEM NARRATIVE REPORT Contractor: Ridgeview Development LLC 718 Parker St East Longmeadow, MA Site: Ridge View Rd. - Lot 5 Northampton, MA Prepared By: Hampshire Fire Protection LLC. 507 Southampton Road Westfield, MA. 01085 (413) 642-3287 Prepared For: Northampton Building Department March 24, 2017 Section 1-Basis of Design 1.1 Building Description 1.1a This is a 2-story house with a basement. 1.1b The aggregated square footage of the house: 1850 sq. ft. 1.1c The building height is approximately 22'-0" at highest point of main structure. 1.1d This building has (1) story’s above grade 1.1e See 1.1b for square footage. 1.1f Occupancy of Building: Single Family Dwelling 1.1g The construction type is V 1.1h There will be no hazardous materials stored within the facility. 1.1i There is no high pile storage in the building. 1.1j There is site access arrangement for emergency response vehicles. The front of the building is on Ridge View Road. 1.2 Applicable Laws, Regulations and Standards NFPA 13D 2013 Installation of Sprinkler Systems in One and Two Family Dwellings and Manufactured Homes. The 2009 IEBC & 2009 IBC 8th Edition of the Massachusetts Building Code Amendments. 1.3 Design Responsibility for Fire Sprinkler System a.) The design responsibility of the fire sprinkler system is Hampshire Fire Protection LLC. 1.4 Fire Protection System to be Installed a.) Water Supply New tank and pump system sized to provide a 10 minute water supply per NFPA 13D Section 6.1.2. b.) Automatic Fire Sprinkler System The fire sprinkler system shall be designed in accordance with NFPA 13D 2013. The fire sprinkler system shall be a wet system. Residential sprinklers to be provided throughout the residence. The fire sprinkler system shall be hydraulically calculated in accordance with the requirements of NFPA 13D, 2013. A flow switch shall be installed in the sprinkler room on the basement floor of the building. The new flow switch will be located after the residential fire pump. The flow switch is activated by any flow of water equal to, or in excess of the discharge from one fire sprinkler. Once activated, it shall send an electric signal to the alarm bell mounted on the exterior of the house Control valves will be locked (with wire seal) in the open position. A supervisory station is not required for an automatic sprinkler system protecting One and two family dwellings per IBC 901.6.1 Section 2 – Sequence of Operation 2.1 Fire Sprinkler System Waterflow a) Upon sprinkler system waterflow, the following functions shall be performed: Indicate condition at the electric bell on the exterior of the residence. Initiate building evacuation through electric bell on the exterior of the residence. 2.2 Control Valve Signal The Control valves shall be locked (with wire) in the open position. Section 3- Testing Criteria 3.1 Personnel a) The installing contractor shall notify the owner's representative, and the local fire department of the testing schedule for the installation of the fire sprinkler system so that each may be represented at the time of testing. b) Testing of the fire sprinkler system shall be in compliance with the requirements of NFPA 13D, 2013. 3.2 Testing Equipment and Tools Record drawings Notification announcement Manufacturer's installation instructions, maintenance manuals, test equipment. 3.3 Approval Requirements A signed Contractor's Test and Material Certificate shall be given to each party as outlined in section 3-1 document system operation and testing.