DECK STRUCTURE TO SUPPORT

FLOOR$/$LIVING OCCUPANCY LIVE LOAD FOR RESIDENTIAL STRUCTURE:

LL $=--$ PSF $($REFER TO IRC TABLE R$301\mathrm{.}5)$

DEAD LOAD $=$ WEIGHT OF MATERIALS

DECKING: $26$ WESTERN RED CEDAR $($WRC$)$

JOISTS: $2$x SPRUCE$-$PINE$-$FIR #$2($SPF$)$

DECK BEAMS: $6$x DOUGLAS FIR #$1($DF$)$

MAXIMUM DEFLECTIONS: IRC TABLE R$301\mathrm{.}7$

LIVE LOAD: L$/360$

TOTAL LOAD: L$/240$

ISOMETRIC VIEW

CE$454/554$ LOFT$/$FLOOR DECK BOTSF. ID

TASK:

DETERMINE DEPTH OF DECK JOIST NEEDED & DETERMINE DEPTH OF GRIDLINE $2$ DECK

BEAMS SHOWN ON PLAN:

USE NDS $2018$ SUPPLEMENT REFERENCE DESIGN VALUE TABLES $4$A AND $4$D

DETERMINE REFERENCE DESIGN ADJUSTMENT FACTORS FROM NDS CHAPTER $4$ TABLE $4\mathrm{.}3\mathrm{.}1,$ CHAPTER $3$ AND SUPPLEMENT TABLES $4A$ OR $4$ D

SHOW:

$-$DETERMINATION OF DEAD LOADS AND LIVE LOADS AS UNIFORM AREA LOADS TO EACH COMPONENT TO BE DESIGNED

ASCE CONTROLING LOAD COMBINATION

TRIBUTARY WIDTHS OF EACH COMPONENT

SHEAR AND MOMENT DIAGRAMS OF EACH

MEMBER BASED ON UNIFORM LOADS

DETERMINED

ADJUSTMENT FACTORS USED

DETERMINE DEPTH TO USE BASED ON

BENDING, SHEAR AND DEFLECTION