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Sprinkler RES13 <br />RESIDENTIAL <br />4 <br />111OLFREEDOW <br />SPRINKLER-N41KJN7G*l STALLATION GUIDE <br />The Viking Corporation, 210 N Industrial Park Drive, Hastings MI 49058 <br />Telephone: 269-945-9501 Technical Services: 877-384-5464 Fax: 269-818-1680 Email: techsvcs@vikingcorp.com <br />AVOIDING OBSTRUCTIONS TO SPRINKLER DISCHARGE <br />(Obstruction rules for residential sprinklers are found in section 8.10 of the 2010 edition of NFPA 13.) <br />Positioning Residential Horizontal <br />Sidewall Sprinklers - Obstructions <br />at the Ceiling <br />Ceiling or Roof. <br />Obstruction <br />A <br />Wall <br />(A) Distance from sprinkler to side of obstruction. <br />(B) Distance from deflector to bottom of obstruction. <br />Distance from Sprinkler to <br />Maximum Distance from Deflector <br />to Bottom of Ceiling Obstruction <br />Side of Ceiling Obstruction <br />(Dimension B) <br />(Dimension A) <br />Inches <br />mm <br />Less than 8 ft. <br />No Obstructions Allowed <br />(Less than 2.4 m) <br />8 ft. to less than 10 ft. <br />1 <br />25.4 <br />(2.4 m to less than 3.05 m) <br />10 ft. to less than 11 ft. <br />2 <br />50.8 <br />(3.05 m to less than 3.35 m) <br />11 ft. to less than 12 ft. <br />3 <br />76 <br />(3.35 m to less than 3.7 m) <br />12 ft. to less than 13 ft. <br />4 <br />102 <br />(3.7 m to less than 4 m) <br />13 ft. to less than 14 ft. <br />6 <br />152 <br />(4 m to less than 4.3 m) <br />14 ft. to less than 15 ft. <br />7 <br />178 <br />(4.3 m to less than 4.6 m) <br />15 ft. to less than 16 ft. <br />9 <br />229 <br />(4.6 m to less than 4.9 m) <br />16 ft. to less than 17 ft. <br />11 <br />279 <br />(4.9 m to less than 5.2 m) <br />17 ft. or greater <br />14 <br />356 <br />(5.2 m or greater) <br />Positioning Residential Horizontal Sidewall <br />Sprinklers - Obstructions Along Walls <br />Aj <br />Distance from Sprinkler to <br />Maximum Distance from <br />Deflector to Bottom of <br />Side of Obstruction Along <br />Obstruction (Dimension B) <br />Wall (Dimension A) <br />Inches <br />mm <br />Less than 1 ft. 6 in. <br />0 <br />0 <br />(Less than 457 mm) <br />1 ft. 6 in. to less than 3 ft. <br />1 <br />25.4 <br />(457 mm to less than .94 m) <br />3 ft. to less than 4 ft. <br />3 <br />76 <br />(.91 m to less than 1.2 m) <br />4 ft. to less than 4 ft. 6 in. <br />5 <br />127 <br />(1.2 m to less than 1.37 m) <br />4 ft. 6 in. to less than 6 ft. <br />7 <br />178 <br />(1.37 m to less than 1.8 m) <br />6 ft. to less than 6 ft. 6 in. <br />9 <br />229 <br />(1.8 m to less than 2 m) <br />6 ft. 6 in. to less than 7 ft. <br />11 <br />279 <br />(2 m to less than 2.1 m) <br />7 ft. or greater <br />14 <br />356 <br />(2.1 m or greater) <br />(A) Distance from sprinkler to side of obstruction. <br />Form No. F 080190 18.10.25 Rev 16.1.P65 (B) Distance from deflector to bottom of obstruction. <br />