Gabriel Kafka

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Cold-Formed Steel Lateral + Framing

174 Martense Street, Brooklyn — 4-Story + Penthouse Residential

Open Drawing Set

Lateral system and floor framing on CMU bearing walls, with shear wall schedule and elevations.

S-102 2nd Floor Framing Plan

1025 Atlantic Avenue, Brooklyn — 18-Story Concrete Residential

Open Drawing Set

Lead structural engineer. Designed the full building under the PM: 18 stories of flat-plate concrete with irregular shear walls.

609 Classon Avenue — 18-story residential, rendering

Blower Door Envelope Test w/ SGH

Bus Envelope Optimization — WPI BSc Thesis (MQP), Dec 2021

Building envelope analysis of a 1987 school bus converted into an affordable home. Blower door testing with Simpson Gumpertz & Heger. Advisor: Aaron Sakulich.

Result: 2.24 CFM @ 75 Pa (leaky) vs 0.5–1.0 CFM for a tight home — leaky windows and floor penetrations.

DG700 gauges and TecLog4 blower door data acquisition
Blower door system diagram sketch

Engineering Software + Research

PE Civil: Structural exam — Dec 16, 2026

V2: Tributary Plate Slab Column Load Takedown Tool

Site · GitHub

Open-source column load takedown app, especially useful for tall concrete buildings.

Tributary plate slab column load takedown model preview

PE Civil Structural Exam Environment

Open the Exam Environment

Clone of the Structural PE testing environment, with reference materials loaded.

PE Civil Structural Exam Environment with loaded reference materials

MSc Thesis: Low-Cost Cellular Accelerometer Node for SHM (Puerto Rico) — NYU Tandon, May 2026

Site · GitHub · Viability Test

Advisor: Masoud Ghandehari. Potential PhD extension.

Lab research goal: Wind fragility curves for Puerto Rico transmission lines. Thesis scope: The hardware.

Solar-powered cellular node — Nordic Thingy:91 X, ADXL367 accelerometer, LTE-M, and a Supabase pipeline streaming triaxial acceleration.

Benchmarked against a LORD S-200: magnitude correlation ≈ 0.955, RMSE ≈ 0.040 g, FFT correlation ≈ 0.952 (0–12.5 Hz).

Solar-powered accelerometer node, rooftop deployment
PR-SHM sensor node hardware architecture

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