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HomeMy WebLinkAboutDesign Loads/pressures _•DLO A ENGINEERING &TESTING, INC. Phone: (866)781-6889•Fax:(866)784-8550 www.floridsengineeringandtesting.com 250 S.W. 13*Avenue Pompano Beach,FL 33069 DATE: 9/22/11 JOB ORDER #: 11-2252 CLIENT: Joseph McCarty Architect ADDRESS: 900 E. Osceola Street Stuart,Florida 34994 PROJECT: Richards Residence Flat Wood Roof Deck ADDRESS: 10701 S. Ocean Drive Jensen Beach,FL 34957 ASCE 7-05 DESIGN PRESSURE CALCULATIONS Project Information: Height= 25' Exposure: C Basic Windspeed: V=140 mph Length= 6F Category: II Importance Factor: I=1.0 Width= 34' Slope: <7° KZ=0.95, Kd=0.85 Parapet Wall: <3' Design Calculations: Velocity Pressure: q = 0.00256*[(0.95)(1.0)(0.85)(140)Z(1.0)] =40.52 psf Width of Pressure Coefficient: 0.1(34') = 3.4' 0.4(25') = 10.0' } use: 3'6" Effective Wind Area: <lOft2 For parapet height three feet(3')or larger, zone three(3) shall be treated as zone two (2). External Pressure Coefficient: Internal Pressure Coefficient: 1) GCPI = -1.0 1) GCP; = 0.18 2) GCP2 = -1.8 3) GCP3 = -2.8 v'Q V. (�rcality ��\ A �(�.4satcranee r � Page 2 FLO A 9/22/11,Job Order#11-2252 Joseph McCarty Architects Richards Res.-Flat Wood Roof Deck 10701 S.Ocean Drive;Jensen Beach,FL: Design Pressures: t 1 Field PI = 40.52* -1.0 — 0.18 =-47.8 s it i 2) Perimeter P2 = 40.52*[(-1.8)—(0.18)] =-80.2 psf 3) Corners P3 = 40.52*[(-2.8)—(0.18)] =-120.7 psf Attachment Requirements: Based on the requirements of N.O.A. #08-0410.09, pg 34 of 38, with a maximum design pressure of-60psf; the following are our recommended fastening patterns to attach the proposed base sheet to the wood deck utilizing approved 11 ga. annular ring hank nails and approved tin caps: Field: 8" o.c. @ 4" laps and 3 staggered rows 8" o.c. Perimeter: 8" o.c. @ 4" laps and 5 staggered rows 8" o.c. Corners: 6" o.c. @ 4" laps and 5 staggered rows 6" o.c. Notes: Corners and perimeter area dimension shall not be less than a=3'6" Contractor to verify that the fastening patterns meet manufacturer's requirements for issuance of a warranty(as applicable). All work shall be in compliance with the local building code product control notice of acceptance and manufacturer specifications and Florida Building Code 2007 Edition. Wind load calculations based on ASCE 7-05 and information provided by client. All work shall be inspected by our field engineer (or authorized representative) or a building department inspector to verify compliance with specifications. Sincerely, . Reza avidan, P.E. Florida Ell ineering& Testing, Inc. Florida Reg. No'. 60223 Certificate of°Authorization No. 6923 m a Planning& Development Services Department 711 Building& Code Regulations Division • 2300 Virginia Avenue • . Fort Pierce,FL 34982 772-462-1553 Design Certification for Wind Load Compliance This Certification must be completed by the project design architect or engineer. This Certification must be if a submitted in duplicate with all applications for building permits involving the construction of new residence (single or multi-family),residential addition,any accessory structure'requiring a building permit,and any nonresidential structure. This Certification shall not apply to interior renovations(provided that no exterior structural walls,columns or other components are being affected)and certain other minor building permits. For further assistance,please contact the Building Inspection Office at(772)462-1553 Project Name ff' Street Address Permit Number Occupancy Type Construction Type Certification Statement: I certify that,to the best of my knowledge and belief;these plans and specifications have been designed to comply with the applicable structural portion of the Building Codes currently adopted and enforced by St.Lucie County. I also certify that structural elements depicted on these plans provide adequate resistance to the wind loads and forces specified by current code provisions. Design Parameters and Assumptions Used: (Please check or complete the appropriate box.) 1 Florida Building Code 20je I Edition with 20 Supplements and ASCE 7 2. Building Design is: Enclosed: Partially Enclosed: Open Building: 3. Mean Roof Height: Roof Pitch:" Internal Pressure Coefficient:+t_l(' 4. Width of End Zone: I�PI r Wind Speed (3 sec gust) 5. Building Classification Table 1-1.ASCE 7_L_FBC Table 1604.5 6. Wind Exposure Classification:_Adjustment Factor or Exposure&Height: G 7. Components&Cladding Wind Pressure on Roof Zone 1 0_�2 X 2 3_-1-7 PSF 8. Components&Cladding Wind Pressure on Wall Zone 4-40O 5 - 5� PSF 9. Components&Cla ding wind Pressure on Overhead Garage Doorl'J . SF 10. Loads: Floor PSF Roof/dead �,e _PSF Roof/live_ --3 61 PSF 11. Shear Walls Considered for Structure? Yes t-�No (if No,attach explanation) 12. Continuous Load Path provided? Yes 1/-No (if No,attach explanation) 13. Are Component and Cladding Details Provided?Yes L'�'-No_(if No,attach explanation) 14. Minimum Soil Bearing PressureyO5'"Presumptive: By Test:CS00 PSF As witnessed by my seal,I hereby certify that the information included with this certification is true and - correct,to the est of my knowledge a 7dbe 'ef. /A Cert#: Name: C� Design Firm: Date: 10—A r SLCCDV Form#020-00 Revised 2/27/09(CL) Revised 6/11/2010(IS) R � • f Planning & Development Services Department ii-i9mg—k- , Building & Regulations Division Product Review Affidavit < �Building Permit# Owners Name � � P licant: Product Opening Design Product Rated Manufacturer Model Number Product Approval Glass Method of Attachment Pressures Desi n Pressure �p Number T e Windows f �^� ♦� %0 ` &T 6 7 0 'V� �' r �J Mullions T !I ,�/��� /�� /1,: � /�C�7C^�2/S� /V� -Q �) l� �� G l i Fixed Glass 'tr,,r/ 7"J(/ �-I ZAO w /©I 60 •���/L ,I� 1' Block Glass g t a Skylights it. G Slidin Glass Doors t "(0 / f��(//�. l 5 L�$Q Q a Swin Type DoorsS ^ Gf.ST ro /1-d-�t�4• K a i 33 `` French Doors Garage Doors 4 ? -� t� Q $ tf Z If Hurricane Protection Roof Ventilation Roofing Material Q a��S SUI� ���x 15fod A PP M,0�1 Q� IIOG I have reviewed the above components or cladding and I h e approved their use in t is St cture oducts tote resistance to the wind loads and forces specified by rent de p ovisions Na Signature: seal Design Prof: Cert.ACZ4 No. ((T/ Da !0 f