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HomeMy WebLinkAboutWOOD FRAME ATTACHMENT FOR 9X7 OR SMALLERis October 9, 2014 AL-FFAROOQ CORPORATION CONSULTING ENGINEERS & PRODUCT DEVELOPMENT Mr. Allen Berger DAB Doors, Inc. 12195 NW W Avenue Hialeah Gardens, FL 33018 Re: Series 824 9'-4" x 16'-0" Garage Door Wood Buck Anchorage Dear Mr. Berger, In addition to the wood buck anchors listed in the above mentioned Dade County product approval for a 9'-4" Garage Door, the 2x wood buck can be anchored into a wood substrate (see attached sketch) with 1/4" Lag Screws 1-1/2" min. embedment and 3/4" min. edge distance as listed below: NOA # Drawing # Design Load d Wood Buck Anchor Spacing 12-0110.06 01-09 +50.0,-60.0 psf 19"o.c. Please find attached supporting calculations for your reference. Please note that the above is subject to Building Dept. approval. If you have any questions, please feel freeto callus. Very trul 'yours,.. OCT 10 2014 Javad ad, F.E. Chief gineer C'IUsenlveranica.AFaNG011DMumen IVeronlcaD.0 ntsUS IDABf D.JDAB-Woad Buck Ltr01-09.doc 1235 SW 87`h Avenue I Miami, FL 33174 1 T: 305.264.8100 1 F: 305.262.6978 1 w .afcene.com I alfaroo00afcene.com JOB NO. BY DATE SHEET NO. 1 AL-FAROOQ CORPORATION AFC11- CHK. 4/4/2011 C -j CLIENT PROJECT DAB DOORS, INC. 824 SECTIONAL GARAGE DOOR-LMI Druayirns -# 01-09 �� 1/C 00. MAG SCREWS 1/4' OR MAENG SCREWS AT6' FROM ENDS µ00D DU ATAI(6' FROM FROM DS AND M. ANC /Q'O.C. MA%. I V WOOD BUCK CONNECTION TO WOOD SUBSTRATE r- e.Mhcdroen3- TA aGpx 1'5 x 1,(, = yzg L ( C-3) % pa; 'Hen �wr ei 1;. -C .N. EB 3538 2014 JAVAD Ai%D D. FLA. P.E. k 10592 1235 S.W. 87th Avenue, Miami, Florida 33174. Tel. (305) 264-8100 11.2 Reference Withdrawal 11.2.1 Lag Screws 11.2.1.1 The reference withdrawal design values, in lb/in. of penetration, for a single lag screw inserted in side grain, with the lag screw axis perpendicular to the wood fibers, shall be determined from Table 11_2A or Equation 11.2-1, within the range of specific gravities and screw diameters given in Table 11.2A. Reference withdrawal design values, W, shall be multiplied by all applicable adjustment factors (see Table 10.3. 1) to ob- tain adjusted withdrawal design values, W'. W =1800 G'OD34 (11.2-1) Values 11.2.1.2 When lag screws are loaded in withdrawal from end grain, reference withdrawal design values, W, shall be multiplied by the end grain factor, Cs = 0.75. 11.2.1.3 When lag screws are loaded in withdrawal, the tensile strength of the lag screw at the net (root) section shall not be exceeded (see 10.2.3). Table 11.2A Lag Screw Reference Withdrawal Design Values (W)r are in pounds per into side grain of -- —_.... �...... �..ucu AMERICAN WOOD COUNCIL 5/16" 3/8" ,amm tnametegU 7/16" 1/2" 0.73 397 469 538 604 5/8" -, 3/4" 7/8" 1" 1-1/8" 1-1/4"' 0.71 381 450 516 - 668 1 1905 1016 1123 1226 1327 0.68 357 422 579 640 757 868 974 1077 1176 1273 0.67 349 484 543 600 709 813 913 1009 1103 1193 0.58 281 413 332 473 531 587. 694 796 - 893 987 1078 1L67 OSS (260 307 381 428 473 559 641 719 795 869 940 0.51 232 352 395 437 516 592 664 734 868 0.50 225 274 314 353 390 461 528 593 656 .802 716 _ 775 0.49 218 266305 342 378 __.447 513 576 636 695 752 0.47 205 258 242 296 _ 332 367 434 -408 498 559 617 674 730 0.46 199 235 278 312 345 467 525 580 634 686 0'4 186 220 269 302 334 395 453 508 562 613 664 0.43_. 179 212 252 283 312 369 423 475 525 574 621 0.42 173 205235 243 273 302 357 409 459 508 554 600 0.41 167 264 291 -344 395 443 490 535 0.40 161190 198 226 254 281 332 381 428 473 516 .579 559 0.39 155 218 .245 - 271 320 367 412 453 497 538 0.38 149 183 210 236 261 308 353 397 438 479 518 0.37 143 176 202 227 251 296 340 381 422 461 498 0.36 137 169 194 218 241 285 326 367 405 443 479 0.35 132 163 186 209 231 273 313 352 389 425 460 0.31 110 156 179 200 222 262 300 337 373 407 441 - 130 149 167 185 218 250 281 'abulaled withdrawal desim valves (w) for lag screw 311 1 339 1 367 connections shall be multiulied by all aonlirama �n:,,.�m.... u_.__ AMERICAN WOOD COUNCIL AL-FAROOQ CORPORATION C-2 DAB DOORS, INC. VB/ 824 GARAGE DOOR WOOD BUCK ANCHOR CALC. 8/2/12 Drawing # 01-09 CONNECT 2x WOOD BUCKS TO WOOD SUBSTRATE SPAN = L FT 9.333 DESIGN LOAD POSITIVE = Pdp PSF 50.0 LOAD / FT (POSITIVE DIR) R= L * Pdp /2 LB/FT 233 PIVOT ABOUT POINT B ECCENTICITY =e IN 2.455 RESISTING ARM = d = IN 1.500 PULLOUT ON ANCHOR = T = R*e/d LB 382 ANCHOR TYPE: 1/4" LAG SCREW THRU 2X WOOD BUCK WI 3/4" MIN EDGE DIST. EMBEDMENT 1-1/2" SUBSRATATE WOOD ALLOWABLE TENSION = Ta (LB) (C -4) 624 SPACING REQ = Ta / T *12 19.6 USE SPACING (IN) - USE 19" O.C. OK BY INSPECTION// 19.0 6CT 10 2014