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Install a pump if using a standalone non-pressurized storage tank or where municipal water pressures are inadequate.Install a backflow prevention device and water meter where required by the authority having jurisdiction (AHJ).Use CPVC piping or PEX tubing for fire sprinkler water distribution.Space sprinkler heads in accordance with the minimum specified by the manufacturer but not less than 8 feet apart, as required by NFPA 13D.Ensure fire sprinkler coverage is in accordance with NFPA 13D, i.e., sprinklers are installed in all living areas, except as noted.If the sprinkler piping will be routed through unconditioned space where temperatures may drop below 40☏ (for example in a vented attic), install a stand-alone piping system (not connected to the home’s potable water supply) that contains an approved pre-mixed antifreeze solution or install a dry pipe system, where water only enters the pipes due to a loss of pressure when sprinklers are activated or a pre-action system, where water only enters the pipes when enabled by a supplemental detection system. Install a “wet” sprinkler system within the home where the pipe can be maintained at or above 40☏.

Design and install a multipurpose plumbing system, which serves domestic water fixtures and indoor fire suppression sprinklers, or a stand-alone fire sprinkler system, to suppress fires within the home.No matter how large or small simple or complex your project is, Allen Engineering will ensure it meets the highest standards of engineering practice.Install indoor fire sprinklers to improve protection against injury and loss of life during a fire. Our specifications are tailored to the projects needs and include custom specifications or utilize SpecsIntact guide specifications prepared by the Government agencies. We define contractor qualifications, product performance, installation, testing, and commissioning criteria. Our specifications and drawings include performance criteria necessary for meeting the objectives of your designs. To assure competitive contractor selection, we prepare performance specifications rather than the traditional manufacturer supplied design specifications. Unique architectural features are present in the building. Each system requires special consideration, especially when Automatic sprinkler systems come in many varieties-ĭry systems, wet systems, deluge systems, pre-action systems, and double-interlocked All system design drawings are developed using computerĪided design software. We develop project specific specificationsĪnd drawings, adhering to the requirements of fire code, building code,