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NSCP 2015 (7th Ed.) · ACI 318-14 basis

Permit-ready calc sheets
in minutes, saving 2 to 4 hours per permit

Stop reformatting Excel. Straktu generates NSCP 2015-compliant structural calculation PDFs with every formula visible, every clause cited, and your firm's seal block ready to sign.

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RC Beam Design, B-12 · Beam Calculator

Effective depth, d

440 mm

Rn required

3.42 MPa

Steel ratio ρ

0.00897

ρ_min

0.00337

ρ_max

0.02032

As,req

1,204 mm²

✓ NSCP 2015 Compliance CertifiedSections 409.6.1.2 · 421.2.2 · 422.5.5.1

Built for construction professionals

Not a port of Mathcad. Built from scratch for NSCP 2015-compliant permit submissions.

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Every formula, visible

No black boxes. Every intermediate value is shown step-by-step, exactly as OBO reviewers expect to see it.

NSCP 409.3.1NSCP 421.2.2NSCP 422.5.5.1
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NSCP clause on every line

Each output row is paired with its code section in the right margin. Permit reviewers can audit every assumption.

NSCP 208.5.2.1NSCP 413.4.2NSCP 408.3.1.1
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Permit-ready PDF in seconds

Your firm letterhead, engineer name, license number, and dry-seal block. Enter them once and they appear on every calc sheet.

PD 1096 §302NBCP Annex A

15 calculators, one workflow

The full set of structural and architectural calcs a building permit typically requires.

RC beam: flexure, shear, seismic
One-way and two-way slab
RC column: interaction diagram
Isolated footing
Seismic base shear (NSCP 208)
Wind load for MWFRS (NSCP 207)
CHB wall masonry takeoff
Paint coverage takeoff
Tile flooring takeoff
Drywall board and framing
Materials BOQ across all calcs

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