HomeMy WebLinkAboutCLARE AVE., 27071. Design Information: Existing floor in room 238designed for4D P8F|ive load.
After reinforcement of2nd floor ooindicated on sheets 2 & 3, floor will carry
100 PSF|ive load. The bearing wall indicated tohave new 8''9" dear
opening has dead load of 880 PLF and reduced live imod of 1,935 PLFfrorn 2
floors above. New column load |m 13.3 kips. Moment mnexisting beam
below |aactually reduced, with same reactions. Design based onUBC91'
2. Stem Fabrication: Shop fabricate steel and provide prime paint. AUsteel
� except tubes tobaA36,Tubes A50O,GrB. Bolts tobeA3O7for 5/B"and
smaller, /\325for 3/4inch and larger. Fabricate per U8C81. Field measure
U column length prior to fabrication.
3. Steel Stud Floor Reinforcement: Floor stud reinforcement to be made by
Stee|er|no. D208> 725-25OOunless approved by Engineer. Size |m8CVV16
made with 50 kai steel. Bolts are standard ooroa|ga or machine bolts. Screws
- -- --ene8tee|er 30S "C)ryvvoU DdUgny". Field measure distance from face of '
m»dadng C]VVBwall toblocking above beam. Steel stud to be 1-1/2 inches
shorter than measured distance. Remove furniture and similar live loads from
Room 236 before installing studs. Predrill holes for bolts before installing.
Install C studs to 2x 12'm with bolts, then install morevvo from the wood side.
Verify that screws are penetrating and setting in etga| stud.
4. Temporary Shoring for Opening: Reduce live loads tomaximum extent
possible onfloors above the opening. Provide shoring ofequal orgreater
strength tothat indicated. The primary shoring inthe dining area mhuU be
located no further than 1'-0" from the face of the wall. Primary shore beam
& sill to be wood 4x G x 12'. Wood 4 x 4 shore posts shall be spaced at 30
inch centers. Secondary shore row |nthe room may have posts 4feet on
center. Wedge orjack shores topick upload.
5, Opening Construction: After shoring inplace remove studs and sill for width
of opening, leaving double top plate. Cut openings for columns in floor, |note|
columns and base bnaoketa' Install beam, screws, and connections. Jack
beam up1otake load and install shims as required under base. Tighten base
clamp and all bolts, turn A325 bolts a rn|nYrnurn 1X3 turn from snug.
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