🏗️ Clear-Span Rigid Frame PEMB (3.5-5.5 Lbs Steel/SqFt), Bay Spacing & Bidding

Pre-Engineered Metal Building Framing Calculator

Size commercial clear-span Pre-Engineered Metal Buildings (PEMB): calculate primary structural steel framing tonnage (built-up welded tapered I-beam rigid frames at 3.5 to 6.0 lbs/sq ft based on snow/wind codes and 25'-30' bay spacing), secondary Z-purlin/girt weight, and turnkey metal building contractor margins.

1. Project & Operating Inputs

Building Footprint Area (Square Feet e.g. 24,000 Sq Ft / 120'x200')

Structural Steel Density Factor (Lbs / Sq Ft e.g. 4.8 Lbs/SqFt)

Customer Bid Price for Supplied & Erected PEMB Steel ($ / Sq Ft)

Fabricated Rigid Frames, Purlins, High-Strength Bolts, Crane & Crew ($ / Sq Ft)

2. Financial Breakdown & Yield

PEMB RIGID FRAME STEEL TONNAGE

Turnkey PEMB Framing Profit

Metal Building Contractor Margin

0.0%

Gross Revenue / Bill

Total Project CapEx

Operating / Material Cost