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HomeMy WebLinkAboutXR2024-1154 - MiscDESIGN & DRAFTING RE -ROOF WITH TEAR -OFF Date APRIL 17, 2024 Project ROOF REPLACEMENT E , N0*9 C/yam O � Job address 689 VISTA BONITA NEWPORT BEACH, CA 91107 N N0.2953 (E) roof material/weight 2 PIECE CLAY TILE/ 10 Ig EXP. 12/31 /24 ( N) roof material/weight 2 PIECE CLAY TILE/ 10 �r No of square 14 ' OF Manufacturer US CLAY TILE ICC-ESR no. 4395 Prepared by DESIGN & DRAFTING 1932 HAMPSHIRE ROAD, TUSTIN, CA. 92780 (714) 745-9987 CEL. 1N�ONISI01A Field Engineering/Engineered by ED YANDOC ®Ul� (714) 745-9987 (CEL.) Office Engineer L CC HOWO. AARD, S.E., CONTACT: (714) 745-9987 ppP 2 6 2024 2193 GRAMERCY DRIVE GREEN VALLEY, ARIZONA 85622 CONTACT: ED (714) 745-9987 CEL VtXH Contractor JE CHAVES dba JH ROOFING/ TEL. (714) 402-6481 C-39 LIC. NO. 1008577 EXPIRES 3/31/25 2415 SANTIAGO ST. SANTA ANA, CA 92706 Introduction EXISTING ROOF MATERIAL WEIGHING 10 PSF WILL BE REMOVED TO EXPOSE EXISTING 1X6 SOLID ROOF SHEATHING. IT WILL BE REPLACED WITH 2 PIECE CLAY TILE WEIGHING 10 PSF (LIKE FOR LIKE) OVER PEEL AND STICK OVER NEW 7/ 16° OSB AND EXISTING SOLID SHEATHING. IT WILL BE INSTALLED PER MANUFACTURER SPECS AND INSTALLATION ISTRUCTIONS AND COMPLY CURRENT (2022) CALIIFORNIA BUILDING AND RESIDENTIAL CODE. Conclusion: EXISTING ROOF FRAMING IS ADEQUATE, REFER TO ATTACHED FRAMING PLAN AND CALCULATIONS. 1932 Hampshire Road, Tustin CA, 92790 Home Office (714) 884-3460; Cell (714) 745-9987; Email edyandoc@gmail.com CALCULATION TEMPLATE 1 of 5 Structural calculations STRUCTURAL CALCULATIONS ...................................................... . DATE: April 18, 2024 PROJECT: Roof Member Structural Check PROJECT LOCATION: 689 Vista Bonita, Newport Beach, CA 92660 CODE REFERENCE: 2022 California Building Code DESIGN REFERENCE: Lumber & Timber: Wood Structural Design Data (Vol.1) National Lumber Manufacturers Association Steel: Manual of Steel Construction, AISC 15th Ed. Concrete: Reinforced Concrete Design Handbook ACI: Ultimate Strength Design Handbook Concrete Block Masonry Design Manual & Masonry: NO N0.2953 a\ EXP. 12/31 /24 � TV�.� CF CAUL%� SHEET: 2 of 5 SUBJECT: STRUCTURAL CALCULATION CALCULATION SHEET April 18, 2024 BY: JKMT 689 Vista Bonita r---- - - - - -- I LI ------� y 4X10 HDR, I I W-T SPAN I I I I I I ¢IM I Q I I M Ud I 2" 5-_6„ '_2"I 11X LIN BMO �— I Q�< I I I X I I I x X I I I I I I 12'-11" I I 3 4X16 I 4X16 RIDGE BM.o I IRIDGE BM. I I I � I I wi I o m CD I x I DTI 1 N LL V Z Q I p� Q ROOF FRAMING PLAN LEGEND/SYMBOL a INDICATES ROOF SLOPE 2 112:12 PITCH ROOF 2ND FLOOR BEARING WALL - - - - 2ND FLOOR NON BEARING WALL ® CALC REFERENCE NO. SHEET: 3 of 5 SUBJECT: STRUCTURAL CALCULATION CALCULATION SHEET April 18, 2024 BY: JKMT 689 Vista Bonita #1 Roof Loads: Clay Tile Peel & Stick Undedayment 7/16" OSB Sheathing US Solid Sheathing Framing (2x8 Roof Rafters @ W' O.C.) Miscellaneous 10.00 0.04 1.50 2.30 2.20 0.10 Dead Load 16.140 psf Live Load 1 20.00 psi Span, L F 14.8 ft Dressed Member Properties b, in d, in A, in"2 I.fn"4 S,in"3 1.5 7.25 10.875 47.63 1 13.14 Adjustment factors: Load Duration Factor CD= Factor Ct=Wet Service Factor CM=Size M1.225Temperature Factor CF=Incising Factor Ci=Flat use Factor Cfu=Repetitive, Member Factor Cr— Form Factor Cf= 1 Beam Stability Factor CL= 1 Member Check: (Worst Span) (E) 2"x8" DF Larch #2 Roof Joists Q16" O.C. DF-Larch No.2 Design values (NDS Supplement Table4A cont.) Flo, psi Ft, psi Fv, psi Fct, psi Fc, psi E, psi Emin, psi G,pcf 900 575 180 625 1350 1600000 1 580000 1 31.22 Adjusted Design Values Flo. psi Ft, psi Fv, psi Fct, psi Fc, psi E, psi I Emin, psi G,pcf 1552.5 991.875 225 625 I 2025 1600000 580000 31.22 Distributed Loads Tatar m - Stan Total End S0rc End Tnb. T,ib. Wc.Wn mcanon wmm wmm Label +.IN +. (n) Tll. ni) T9. (n) Onentanon orient Wad MaVlWdes V' Roof Load 0 15 1.33 1.33 Gravity D: 16.1 psf, Ln 20 1 .aw-�2: 12 Roof Load Lt. 2lf D: 262 p2 f U UN: 1.33 ft I D: 15.9 psf, Lt.. 19.7 psi /5A �_ D: 3.53 plf �-- Roof Load Lr. 437 pff 0 �— 15 R 0 2 4 6 8 10 12 14 (E) 2"x8" DF Larch #2 Roofjoists @16" O.C. Adequate To Carry Loads N Plies: 1 M acq= 1340 V acq= 356 lb-ft Ib Check for Bending: fb=12'M/Sx= 1223.686 psi Po 1 Pb >>>Satisfactory Check for Shear fv=3V/2bd= 49.103 psi IV < Fv »>Satisfactory Check for Deflection Deflection= 0.716 in L/180= 1.000 in def < U180 >>>Satisfactory Check for Bearing fct=VAb"b= 79.11 psi fct < Fct »>Satisfactory Minimum Bearing Length 0.38 in SHEET: 4 of 5 SUBJECT: STRUCTURAL CALCULATION CALCULATION SHEET April 18, 2024 BY: JKMT 689 Vista Bonita Calculation #2 GN LOAD INFOR Clay Tile Peel & Stick Undedaymenl 7/16" OSB Sheathing US Solid Sheathing Framing (2x8 Roof Rafters @ 16" O.C.)psf Miscellaneous psf psf psf psf psf %0100 Dead Load 16.140 psf Live Load 20.00 psf Span, L Oft Dressed Member Properties b,in Id,in IA,in"2 I.in"4 S, in"3 3.5 9.25 32.375 230.84 49.91 Adjustment factors: Load Duration Factor CD= 1.25 Temperature Factor Ct= 1 Wet Service Factor CM= 1 Size Factor CF= 1.1 Incising Factor Cl- 1 Flat use Factor GM= 1 Repetitive Member Factor Cr- 1 Form Factor CF- 1 Beam Stability Factor CL= 1 Member Check: (Worst Span) (E) 4"x10" OF Larch #2 Purlin Beam DF-Larch No.2 Design values (NDS Supplement Table4A cont.) Fb, psi Ft, psi Fv, psi Fct, psi Fc, psi E, psi Emin, psi G,pct 900 575 180 625 1350 1600000 580000 31.22 Adjusted Design Values Fb, psi Ft, psi I Fv, psi Fct, psi Fc, psi E, psi Emin, psi G,pcf 1237.5 790.625 225 625 1856.25 1600000 1 580000 31.22 Distributed Loads to -- star[ End Total sort Total End Loranon r. L000nn e, T.Ib. Width Tho Width Label (t) (ft) TII,(el Tu-.(o) Load Magnitudes u- Roof Load 0 9 12.5 12.5 D: 16.1 psf, Lr: 20 psf D:202 plf Roof load Lt.. 250 plf p LW: 12.5 ft I D: 16.1 psf, Lt..20 psF 9h Self+veight �D: 7.46 pit 0 9h 0 2 4 6 6 (E) 4"x10" OF Larch #2 Purlin Beam Adequate To Carry Loads N Plies: 1 M acq= 4650 V acq= 2070 lb-ft lb Check for Bending: fb=12"M/Sx= 1117.980 psi fb i I Fb »>Satisfactory Check for Shear fv=3V/2bd= 95.907 psi fv < Fv »>SatisfauYory Check for deflection Deflection= 0.1114 In L/180= 0.608 in def < tJ180 >>>Satisfactory Check for Bring fct=Vllb'b=ea19i psi fct < Fct >>>Satisfactory Minimum Bearing Length 0.95 in SHEET: 5 of 5 SUBJECT: STRUCTURAL CALCULATION CALCULATION SHEET April 18, 2024 BY: JKMT 689 Vista Bonita Calculation #3 DESIGN LOAD INFORMATION Roof Loads: Clay Tile Peel & Stick Undedayment 7116" OSB Sheathing US Solid Sheathing Framing (2x8 Roof Rafters Q 16" O.C.) Miscellaneous 10.00 0.04 1.50 2.30 2.20 0.10 Dead Load 16.140 1 psf Live Load 20.00 psf Span, I. 12.9 ft Dressed Member Properties b,in Id,in IA, in"2 I. in-4 1 1 S. in43 3.5 1 9.25 1 32.375 230.84 49.91 Adjustment factors: Load Duration Factor CD= 1.25 Temperature Factor Ct= 1 Wet Service Factor CM= 1 Size Factor CF= 1 Incising Factor Ci= 1 Flat use Factor Cfu= 1 Repetitive Member Factor Cr- 1 Form Factor Cf= 1 Beam Stability Factor CL= 1 Member Check: (Worst Span) (E) 4"x16" DF Larch #2 Ridge Beam DF-Larch No.2 Design values (NDS Supplement Table4A cont) Fb, pi Fvpsi Fcpsi Fc, psi E, psi Emin, psi G,pcf 0 7 18090 625 1350 1600000 580000 31.22 Adjusted Design Values Fb, psi Ft, psi Fill, psi Fct, psi Fc, psi E, psi Emin, psi G,pcf 1125 718.75 225 625 1687.5 1600000 580000 31.22 Distributed Loads w -- start End Total Start Total End LOUuone. Location, Trfb. Width Tnb. Width Label (h) (I) 111. fin Tn. (G) Load Magmludesu Roof Load 0 12.9 1 10.5 10.5 D: 16.1 psf, Lr. 20 psi D: 169 pl( Roof Load Lr.210pif p LW: 10.5 IT I D: 16.1 psf, Lr. 20 psf 129ff Self weight D. 12.3 pit p r2.9h 0 2 4 6 8 10 12 (E) 4"xl6" DF Larch #2 Ridge Beam Adequate To Carry Loads N Plies: 1 M acq= 4210 V acq= 1870 lb-ft Ib Check for Bending: fb=12`M/Sx= 1012.192 psi fb Fb >>>Satisfactory Checkfor Shear N=3V/2bd= 86.641 psi IV < Fv >>>Satisfactory Check for deflection Deflection= 0.1" in U180= 0.872 in def < U180 >>>Satisfactory Check for Bearing fct=V4b`b= 178.10 psi fct < Fcl >>>Satsfactory Mum Bearing Length 0.inim85 in