Projects & Case Study
Case Study: Project J23-061
Description: 4 interior rigid frames + 2 rigid endwalls, single-slope 4:12 roof, asymmetric eave heights, Seismic SDC-D, Wind 107 mph, IBC 21. Gallery Blue PBR wall panels (Kynar finish), Solar White VS-24 standing seam roof.
Codes: AISC16, IBC 21, SDC-D, ASCE 7-16, Exposure B, MBS Software, Working Stress
Colors: Gallery Blue · PBR-26 (wall), Solar White · VS-24 (roof)
Framing: Rigid, Both Endwalls, Post & Beam Non-Expandable
| Item | Value |
|---|---|
| Width | 30'-8" |
| Length | 49'-1" |
| Eave Ht – Back | 12'-8" |
| Eave Ht – Front | 22'-11" |
| Roof Slope | 4:12 (single) |
| Interior Frames | 4 (clear span) |
| Total Steel | 17,096 lbs |
| Building Price FOB | $33,119 USD |
- Wind Speed: 107 mph (Vasd = 82.88 mph)
- Roof Live Load: 20 psf
- Snow Load: 7 psf
- Seismic: SDC-D
- Exposure: B
- Kh=0.70, Kzt=1.00, Kd=0.85, G=0.85, Importance I=1.00, Partial enclosure
Frame Member Schedule (sample of 12 marks):
| Mark | Description | Qty | Section | Length | Unit Wt | Total Wt | Frame |
|---|---|---|---|---|---|---|---|
| RF1-1 | RF Column–Left | 1 | Tapered Web | 12'-2" | 186.2 lb | 186.2 lb | Frame 1 |
| RF1-2 | RF Rafter | 1 | Tapered Web | 29'-0" | 425.1 lb | 425.1 lb | Frame 1 |
| RF1-3 | RF Column–Right | 1 | Tapered Web | 21'-11" | 318.5 lb | 318.5 lb | Frame 1 |
| RF2-1 | RF Column–Left | 1 | Tapered Web | 12'-2" | 188.4 lb | 188.4 lb | Frame 2 |
| RF2-2 | RF Rafter | 1 | Tapered Web | 29'-0" | 425.8 lb | 425.8 lb | Frame 2 |
| RF2-3 | RF Column–Right | 1 | Tapered Web | 21'-11" | 320.7 lb | 320.7 lb | Frame 2 |
| RF3-1 | RF Column–Left | 2 | Tapered Web | 12'-2" | 195.5 lb | 391.0 lb | Frame 3 ×2 |
| RF3-2 | RF Rafter | 2 | Tapered Web | 28'-8" | 441.3 lb | 882.6 lb | Frame 3 ×2 |
| RF3-3 | RF Column–Right | 2 | Tapered Web | 21'-11" | 339.5 lb | 679.0 lb | Frame 3 ×2 |
| EC-1 | EW Column | 1 | W8×10 | 17'-6" | 190.1 lb | 190.1 lb | Endwall |
| EC-2 | EW Column | 1 | W8×10 | 20'-3" | 220.1 lb | 220.1 lb | Endwall |
| EB-1 | Extension Beam ×4 | 4 | W8×10 | 2'-4" | 28.3 lb | 113.2 lb | Extension |
| PC-1 | Partition Column | 1 | W8×10 | 17'-4" | 186.4 lb | 186.4 lb | PW-1 |
BOM Breakdown:
Rigid Frames — Subtotal: 4,218 lb · $7,858
- Frame 1: 929.8 lb · $1,682
- Frame 2: 934.9 lb · $1,691
- Frames 3 ×2: 1,952.6 lb · $3,258
- Extension Beams: 401.2 lb · $1,228
Roof System — Subtotal: 3,886 lb · $5,727
- Purlins (8" Z-section): 1,326 lb · $1,611
- VS-24 Roof Sheeting: 2,539 lb · $3,949
- Cable Bracing: 12.2 lb · $151
- Connection Plates: 8.4 lb · $16
Walls, Trim & Other — Subtotal: 3,770 lb · $10,790
- Partition Wall PW-1: 1,087 lb · $1,606
- PBR-26 Wall Sheeting: Incl. in trim
- Angles: 767 lb · $3,147
- Trim + Gutters: 1,024 lb · $3,323
- Fasteners + Cables: 548 lb · $2,175
- Roof Liner + Fasteners: 344 lb · $539
Grand Total: 17,096 lbs / $33,119 USD FOB Factory
Designed by AJ Metal Building Services — MBS · AISC16 · IBC 21 · SDC-D · Ashpak Jamadar
Software: MBS · Tekla — ASCE 7-16 · Wind 107 mph · Snow 7 psf
Factory-Located Openings:
- Left Endwall: 3'-0"W × 7'-0"H — 1 opening, door jambs DJ-2 & DJ-4, 8×35C16
- Front Sidewall: 6'-0"W × 7'-11"H — 1 opening, window sill 3'-6", door jambs DJ-5/6
- Right Endwall: None
- Back Sidewall: 4'-5"W × 7'-11"H ×2 — 2 openings, window sill 3'-6", door jambs DJ-1/3
Design Notes:
- Web & Flange Fy = 50 ksi hot-rolled; Cold-formed Fy = 55 ksi; Deflection: Vertical L/180, Horizontal H/60; Bay spacing 8.79 ft (RF1/2), 6.06 ft (RF3)
- Purlins: 8" Z-section, 7 rows @ 4.47 ft spacing, Surface 2 length 32.33 ft, Max UC=0.71, Roof panel UC=0.18 (VS-24), NAUS16 code
- Wind/Seismic: ASCE 7-16 Envelope Method, MWFRS Part 1