HomeMy WebLinkAboutENGINEERING MULLIONS CALCULATIONSPROJECT Midanek Opening #2
9500 S Ocean Dr #1208
Jensen Beach, FL
1. DESIGN PARAMETERS
Max Allowable Design Wind Load (psf)65.2 Positive and Negative
Max. Tributary Width (in)50
Max. Mullion Length (in)96.5
Load per Foot (lb/ft)272
Mullion and Clip Material Aluminum 6063-T6
Elasticity (psi)1.00E+07
Allowable Stress (psi)15,000
2. MULLION SIZE
Check Section Modulus:
Mullion Dimensions (in)2 x 6 x 0.125 x 0.125
Max. Moment (ft.lb)2196
Moment of Inertia (in^4)8.28
Min. Section Modulus Required (in^3)1.9 < Actual Section Modulus of 2.76
======>OK
Check Deflection
Moment of Inertia (in^4)8.28
Max Allowable Deflection (in)0.54 > Actual Deflection of 0.31
(L/180)======>OK
3. MULLION ANCHORAGE
Load per Mullion (lb)2185
Total Load Each Connection (lb)1092.3
Connector Type (Clip-to-Concrete)5/16-inch ELCO UltraCon (See Fastener Notes Below)
Connector Capacity (Shear)(lb)801
Minimum Number of Fasteners 2 Per Tube End
Recommended Number of Fasteners 4 Per Tube End ======>OK
Fastener Notes Emma T. Mellinger, P.E.
FL PE# 50049
2021-R0
ENGINEERED MULLION CALCULATIONS
(In Accordance with FBC 7th Ed. (2020) 1709.8, and AAMA 450)
7/13/2021
SSW M1210624
Clip Shall be Min 1/8-inch Thickness, Full-Dimension, and Wide Enough to Accomodate Minimum Fastener Spacings Unless Otherwise
Noted.
1600 S. Federal Hwy Ste 207, Pompano Beach, FL 33062
(954)784-6991 Tel •(954) 781-5708 Fax
Sheet Metal Screws Shall be Installed with a Minimum Penetration of 3 Full Thread Pitches Through the
1/8-inch Minimum Thickness Base Metal Substrate with a Minimum Edge Distance of 3/8" in Metal, and a
Minimum on-Center Spacing of 3/4" Unless Otherwise Specified by this Engineer.
5/16" UltraCon Fasteners Shall be Installed with a Minimum Embedment of 1 3/4" into 3,515 min psi
Concrete with a Minimum Edge Distance of 2 1/2" in Concrete, and a Minimum on-Center Spacing of 5"
Unless Otherwise Specified by this Engineer.