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Boise Cascade Engineered Wood Products
Southern Engineered Wood Products Specifier Guide
BCI Design Properties, Assembly & Nail Spacing
Southern Engineered Wood Products Specifier Guide
Southern EWP Specifier Guide - BCI Design Properties, One Hour Assembly & Allowable Nail Spacing
| One-Hour Floor/Ceiling Assembly |
|---|
FIRE ASSEMBLY COMPONENTS
- 3/4" Tongue-and-groove plywood or 23/32" APA rated sheathing (Exposure 1 or exterior glue)
- BCI Joists at 24" o.c.
- Two layers 1/2" Type X Gypsum Board
SOUND ASSEMBLY COMPONENTS
when constructed with resilient channel(s)
- Add Carpet & Pad to fire assembly:
or - Add 3 1/2" Glass Fiber insulation to fire assembly:
or - Add an additional layer of 5/8" T&G OSB and 9
1/2" glass fiber insulation to fire assembly:
| Closest Allowable Nail Spacing |
|---|
| Connector Size |
BCI/40s Nailing Perpendicular to Glue Lines |
BCI/45s &
BCI/60s Nailing Perpendicular to Glue Lines |
Nailing Parallel to Glue Lines |
||
|---|---|---|---|---|---|
| O.C. Spacing | End of Joist | O.C. Spacing | End of Joist | O.C. Spacing | |
8d Box |
2 1/2" |
1 1/2" |
2" |
1 1/2" |
4" |
8d Common |
3 1/2" |
1 1/2" |
2" |
1 1/2" |
6" |
10d & 12d Box |
3" |
1 1/2" |
2" |
1 1/2" |
6" |
10d & 12d Common |
4 1/2" |
3" |
3" |
2" |
6" |
16d Sinker |
4 1/2" |
3" |
3" |
2" |
6" |
16d Common |
6" |
3" |
3" |
3" |
10" |
| BCI Design Properties |
|---|
Use BC CALC Software for specific design data.
| DEPTH (in) |
WEIGHT (lb/ft) |
K x 106 (lb) |
EI x 106 (lb-in2) |
Max End Reaction (lb) | Max. Intermediate Reaction (lb) | Max. Moment (ft-lbs.) |
|---|---|---|---|---|---|---|
| No Web Stiffeners | No Web Stiffeners | |||||
| 9 1/2" BCI 40s | 2.2 |
5.13 |
157 |
900 |
1850 |
2694 |
| 11 7/8" BCI 40s | 2.5 |
6.36 |
268 |
1000 |
2200 |
3595 |
| 14" BCI 40s | 2.8 |
7.74 |
396 |
1100 |
2280 |
4408 |
| 9 1/2" BCI 45s | 2.4 |
5.20 |
181 |
900 |
1850 |
3162 |
| 11 7/8" BCI 45s | 2.7 |
6.43 |
309 |
1000 |
2200 |
4223 |
| 14" BCI 45s | 3.0 |
7.55 |
456 |
1100 |
2280 |
5179 |
| 16" BCI 45s | 3.2 |
8.60 |
623 |
1255 |
2640 |
6083 |
| 11 7/8" BCI 60s | 3.3 |
6.55 |
401 |
1000 |
2200 |
5603 |
| 14" BCI 60s | 3.5 |
7.68 |
589 |
1100 |
2280 |
6875 |
| 16" BCI 60s | 3.8 |
8.74 |
802 |
1255 |
2640 |
8078 |
Reaction and moment values are based on 100% duration of load. Adjustments for various load durations are permitted when applicable by code.
Code Evaluations - ICBO ES ER-5208
BOCA ES 95-18
SBCCI PST & ESI 9643