INSTALLATION OBSOLETE. Figure 1. One-half listed spac ing of sprin kler, max i mum, 0'-4" min i mum.

Transcription

1 June 28, SPACING OF RESIDENTIAL LISTED FOR USE BELOW SLOPED CEILINGS (Refer to the appropriate residential sprinkler technical data page for listings.) Pendent Sprinklers For ceilings sloped up to a maximum 8/12 (33.7 ) pitch. Figure 1 Horizontal Sidewall Sprinklers For ceilings sloped up to a maximum 6/12 (26.6 ) pitch. NOTE: HSW Sprinklers installed at the side of a slope with throw across slope apply only for systems designed using residential HSW sprinklers manufactured before July 12, One-half listed spac ing of sprin kler max i mum, 0'-4" min i mum. Listed spacing of sprin kler, max i mum, 8-0" min i mum. One-half listed spac ing of sprin kler, max i mum, 0'-4" min i mum. Where an gle "D" is greater than an 8/12 (33.7 ) pitch, see Fig ure 2 be low. SPACING OF RESIDENTIAL BELOW SLOPED CEILINGS WITH GREATER THAN 8/12 (33.7 ) PITCH (NOTE: Refer to NFPA 13D or NFPA 13R, and the Authority Having Jurisdiction.) (E) Figure 2 One-half listed spac ing of sprin kler max i mum. 3-0" max i mum. 0'-4" min i mum. Slopes greater than an 8/12 (33.7 ) pitch. For dis tance less than 8'-0", baf fle re quired. Note: Units of mea sure in pa ren the ses may be ap prox i ma tions. Form No. F_ Re vised page 1 is sued June 28, Replaces page 1, dated November 1, 1996.

2 2 June 28, 2002 SPACING OF RESIDENTIAL LISTED FOR USE BELOW SLOPED CEILINGS (Refer to the appropriate residential sprinkler technical data page for listings.) Pendent Sprinklers For ceilings sloped up to a maximum 8/12 (33.7 ) pitch. Figure 3 One-half listed spac ing of sprin kler, max i mum. 8'-0" min i mum. 0'-4" min i mum. 3-0" max i mum. Horizontal Sidewall Sprinklers For ceilings sloped up to a maximum 6/12 (26.6 ) pitch. NOTE: HSW Sprinklers installed at the side of the slope with throw across slope apply only for systems designed using HSW sprinklers manufactured before July 12, SPACING OF RESIDENTIAL BELOW SLOPED CEILINGS WITH GREATER THAN 8/12 (33.7 ) PITCH (NOTE: Refer to NFPA 13D or NFPA 13R, and the Authority Having Jurisdiction.) (E) (F) Figure 4 One-half listed spac ing of sprin kler, max i mum. 8-0" min i mum. 0'-4" min i mum. 3'-0" max i mum. Ac cept able for slopes greater than an 8/12 (33.7 ) pitch. When this de sign is used, refer to the ap pen di ces of NFPA 13D or NFPA 13R, and the Au thority Hav ing Ju ris dic tion regarding the num ber of de sign sprin klers to hy drau li cally cal cu late. Re vised page 2 is sued June 28, Replaces page 2, dated November 1, Form No. F_

3 June 28, SPACING OF RESIDENTIAL AT PEAK OF SLOPED CEILINGS WITH PITCH LESS THAN 8/12 (33.7 ) (Refer to the appropriate residential sprinkler technical data page for listings.) NOTES: (E) (F) (G) Figure 5 Listed spacing of sprin kler, max i mum. One-half listed spac ing of sprin kler, max i mum. 0'-4" min i mum. Re fer to page 6 for min i mum dis tance be tween sprin kler and in ter sect ing sloped ceil ing. Re fer to the appropriate residential sprinkler technical data page for deflector distance below ceiling. 8'-0" min i mum. Ref er ence: 4/12 (18.0 ) pitch max i mum for 12'-0" spac ing. 2.5/12 (12.0 ) pitch max i mum for 14'-0" spac ing. 2/12 (10.0 ) pitch max i mum for 16'-0" spac ing. 2/12 (10.0 ) pitch max i mum for 18'-0" spac ing. 1.9/12 (9.0 ) pitch max i mum for 20'-0" spac ing. An gles based on sprin klers in stalled 0'-4" from peak. 1. For res i den tial pen dent sprin klers, uti lize de sign as shown in Fig ure 3 on page 2 when ever pos si ble. 2. Lay out sim i lar for hor i zon tal side wall sprin klers with throw across slope for ceil ings with slope less than 6/12 (26.6 ) pitch. NOTE: HSW Sprin klers in stalled at the side of the slope with throw across slope ap ply only for sys tems de signed us ing res i den tial HSW sprin klers man u fac tured be fore July 12, Re fer to the ap pro pri ate res i den tial sprin kler tech ni cal data sheets. Form No. F_ Re vised page 3 is sued June 28, Replaces page 3, dated November 1, 1996.

4 4 June 28, 2002 SPACING OF RESIDENTIAL BELOW CEILINGS WITH SLOPES EXCEEDING 8/12 (33.7 ) PITCH WITH NO BAFFLE (NOTE: Refer to NFPA 13D or NFPA 13R, and the Authority Having Jurisdiction.) NOTES: Figure min i mum to one-half listed spac ing max i mum. One-half listed spac ing, max i mum, 8-0 min i mum. 0'-4" min i mum. Listed spacing max i mum, 8-0 min i mum. (E) 3'-0" max i mum. (F) Slopes greater than 8/12 up to a 21/12 (33.7 up to 60 ) pitch. In ad di tion to the above lim its, rooms requiring this type of in stal la tion must be hy drau li cally cal cu lated to supply a min i mum of three op er at ing sprin klers. Lay out sim i lar for hor i zon tal side wall sprinklers with throw across ceil ings with slope ex ceed ing 6/12 (26.6 ) pitch. NOTE: HSW Sprin klers in stalled at the side of the slope with throw across slope ap ply only for sys tems de signed us ing residential HSW sprin klers manufactured be fore July 12, Refer to the appropriate residential sprin kler technical data sheets. SPACING OF RESIDENTIAL BELOW CEILINGS WITH SLOPES EXCEEDING 8/12 (33.7 ) PITCH WITH NO BAFFLE AND A MAXIMUM OF TWO IN THE ROOM (NOTE: Refer to NFPA 13D or NFPA 13R, and the Authority Having Jurisdiction.) (E) (F) Figure min i mum to one-half listed spac ing max i mum. One-half listed spac ing, max i mum, 8-0 min i mum. 0'-4" min i mum. Slopes greater than 8/12 pitch up to a 21/12 (33.7 up to a 60 ) pitch. 3'-0" max i mum. When di men sion F ex ceeds 16-0, uti lize de sign con fig u ra tion shown in Fig ure 6 above. NOTES: Lay out sim i lar for hor i zon tal side wall sprin klers with throw across slope for ceil ings with slope ex ceed ing a 6/12 (26.6 ) pitch. NOTE: HSW Sprin klers in stalled at the side of the slope with throw across slope apply only for sys tems de signed us ing res i den tial HSW sprin klers man u fac tured be fore July 12, Re fer to the ap pro pri ate res i den tial sprin kler tech ni cal data sheets. Re vised page 4 is sued June 28, Replaces page 4, dated November 1, Form No. F_

5 June 28, SPACING OF RESIDENTIAL BELOW SLOPED CEILINGS OF SMALL ROOMS AND ATTIC SPACES (E) One-half listed spac ing, max i mum. Re fer to the ap pro pri ate res i den tial sprinkler tech ni cal data pages for listings of sprinklers for use be low slopes up to and in clud ing 8/12 (33.7 ) pitch. 3'-0" max i mum. 0-4 min i mum. 8'-0" min i mum with out baf fle. NOTES: Layout sim i lar for hor i zon tal side wall sprin klers with throw across slope for ceil ings with slope up to a 6/12 (26.6 ) pitch. NOTE: HSW Sprin klers in stalled at the side of the slope with throw across slope ap ply only for sys tems de signed us ing res i den tial HSW sprin klers man u fac tured be fore July 12, Re fer to the appropriate res i den tial sprin kler tech ni cal data sheets. Form No. F_ Re vised page 5 is sued June 28, Replaces page 5, dated November 1, 1996.

6 6 No vem ber 1, 1996 MINIMUM DISTANCE BETWEEN SPRINKLER AND INTERSECTING SLOPED CEILINGS A B Min i mum dis tance to change in slope. An gle of slope in de grees. Any ceiling slope under 7/12 (30 ) pitch distribution is considered Not Unduly Obstructed DIS TRI BU TION NOT 18 UNDULY OB STRUCTED DISTRIBUTION OBSTRUCTED Slope of Ceil ing (degrees) Re vised page 6 is sued No vem ber 1, Replaces page 6, dated July 15, Form No. F_

7 No vem ber 1, MAXIMUM DISTANCE DOWN SLOPE TO AVOID OBSTRUCTION TO SPRINKLER DISCHARGE Dis tance down slope. An gle of slope in de grees. NOT UNDULY OB STRUCTED A B OB STRUCTED Slope of Ceil ing (degrees) Form No. F_ Re vised page 7 is sued No vem ber 1, Replaces page 7, dated July 15, 1991.

8 8 June 28, 2002 MAXIMUM DISTANCE FROM SPRINKLER DEFLECTOR TO BOTTOM OF CEILING OBSTRUCTION (For residential horizontal sidewall sprinklers, refer to the obstruction guidelines for extended coverage sidewall sprinklers in the latest edition of NFPA 13.) A B Max i mum dis tance to bot tom of ob struc tion. Dis tance to side of ob struc tion. NFPA 13D Ap pen dix A A B Re vised page 8 is sued June 28, Replaces page 8, dated November 1, Maximum Distance from Sprinkler De flec tor to Bot tom of Ceil ing Ob struc tion (inches) Form No. F_

9 June 28, Lo cating Residential Sprinklers Near Heat Sources Res i den tial sprin klers must be po si tioned a suf fi cient dis tance away from heat sources that in clude fire places, stoves, kitchen ranges, wall ov ens, hot wa ter pipes, wa ter heat ers, fur naces and as so ci ated flues and ducts, and light fix tures. If sprin klers are lo cated too close to a heat source, they can op er ate pre ma turely. The fol low - ing min i mum dis tances must be main tained for both or di nary and in ter me di ate tem per a ture rated res i den tial sprin klers as in di cated: Heat Source Min i mum Dis tance from Edge of Source to Or di nary Tem per a ture Rated Sprin kler Min i mum Dis tance from Edge of Source to In ter me di ate Tem per a ture Rated Sprin kler in. mm in. mm Side of open or re cessed fire place Front of re cessed fire place Coal- or wood-burning stove Kitchen range Wall oven Hot air flues Un in su lat ed heat ducts Un in su lat ed hot wa ter pipes Side of ceil ing- or wall-mounted hot air diffusers Front of wall-mounted hot air diffusers Hot wa ter heater or fur nace Light fix ture less than 250W Light fix ture 250W to 499W Form No. F_ New page 9, issued June 28, 2002 (added chart for res - i den tial sprin kler lo ca tion near com mon heat sources).

10 10 June 28, 2002 NOTE: The di men sions shown are in tended to ap ply to res i den tial sprin klers in stalled in ceilings above fire places used to burn prod ucts that cause el e vated tem per a tures at or near the ceil ing in ar eas sur round ing the fire place. The rec om men da tions should not be con strued to ap ply to dec o ra tive non-opening fire places such as gas fire units that will not cause el e vated tem per a tures at the ceil ing. 3'-0" 3'-0" Sprinklers near an open hearth fireplace must be located outside of the shaded area or be intermediate degree rated. Side of fireplace Front of fireplace 5'-0" 3'-0" Sprinklers near a recessed hearth fireplace must be located outside of the shaded area (at least 3-0 from the side of a recessed fireplace and at least 5-0 from the front) or be intermediate degree rated. Re places page 10, issued Sep tem ber 12, 2001 (re-numbered pages, added new page 9). Form No. F_

11 June 28, TYP. 2-6 TYP. 1-6 TYP. Sprinklers near a furnace or water heater must be located outside of the shaded area or be in termediate degree rated. Edge of coal- or wood-burning stove Edge of coal- or wood-burning stove Sprinklers near a coal- or wood-burning stove must be located outside of shaded area or be intermediate degree rated. Form No. F_ Re places page 11, issued Sep tem ber 12, 2001 (re-numbered pages, added new page 9).

12 12 June 28, TYP. Sprinklers near a range or wall oven must be located outside of shaded areas or be intermedi ate degree rated. New page 12, issued June 28, 2002 (added a new page 9, re-numbered pages). Form No. F_