FD

Fusion Developers

ASTM A36 / A36M

165 ft Round PEB — Steel Member & Material Schedule

Lowest-Spec Steel (Fy=250 MPa) · 4 Internal Columns @ Half Radius · 8 ft Circular Apex Ring · Preliminary · 2026-08-04
72.70 t
Total Steel (A36)
PKR 18.54M
Steel @ Rs 255/kg*
ISMB 600
Rafters (upsized)
74.5%
Peak Util (rafter)
A36 vs A572 Gr50 — cost reality
SchemeTonnageRate/kgCost
A572 Gr50 (ISMB 450 rafters)58.49 tRs 285PKR 16.67M
A36 (ISMB 600 rafters)72.70 tRs 255*PKR 18.54M
Delta+14.21 t (+24%)−10.5%+11.2% more
*A36 mill rate is ASSUMED Rs 255/kg (vs A572 PEB rate Rs 285/kg) — confirm with supplier. A36 is ~11% MORE expensive here because the +24% tonnage penalty from up-sizing rafters exceeds the per-kg saving. ← View A572 Gr50 scheme
📊 Member Schedule (Excel)
11-sheet BOQ: columns, rafters, ring, purlins, plates, tonnage, cost comparison. Editable rate cell.
XLSX
📄 BOQ (CSV)
Flat bill-of-quantities export.
CSV
📝 Summary (Markdown)
Tonnage, member counts, A36 note, cost comparison.
MD
🧮 LRFD Check (A36)
AISC 360-16 at Fy=250. All PASS, peak 74.5% (long rafter).
MD
📋 AISC 360-22 Design Spec
Full spec: 16 parameters (LTB, local buckling, wind uplift, connections, tolerances) under A36.
PDF
📐 GA Drawing Set (PDF)
6 sheets (rev P2/A36): cover, plan, roof, elevation, schedules.
PDF · 6 PG
🗂 DXF Source Files
6 editable DXF (G-01, A-101/102/103, S-101/102).
DXF
⚠ Preliminary for estimation — A36 is the lowest structural spec. Final sign-off requires full LRFD with wind (110 mph Exp C), axial-thrust interaction, and connection design.