Structural Repairs & Cribbing - New Foundation

Structural Repairs & Cribbing - New Foundation

The worst damage centered around a transverse dormer.

Structural Repairs & Cribbing - New Foundation

I-beams were inserted longitudinally to help level the second floor.

Structural Repairs & Cribbing - New Foundation

Sheathing the second floor helped square up the building.

Structural Repairs & Cribbing - New Foundation

Adding Zip System sheathing to the upper roof slope helped prevent racking.

Structural Repairs & Cribbing - New Foundation

The lower I-beams were inserted with the help of an excavator.

Structural Repairs & Cribbing - New Foundation

Cribbing supports a main beam (running right to left), which supports the needle beams (red). Running parallel to the needle beams was the I-beam track.

Structural Repairs & Cribbing - New Foundation

While the author’s crew restored the structure’s framing, the excavation sub broke ground on a new foundation.

Structural Repairs & Cribbing - New Foundation

A freestanding retaining wall was part of the foundation design.

Structural Repairs & Cribbing - New Foundation

It was built in line with the existing house.

Structural Repairs & Cribbing - New Foundation

A granite capstone, reclaimed from the existing foundation, lined the remaining foundation perimeter; here, the masonry sub maps out the rebar locations and angles to accurately line up boring holes.

Structural Repairs & Cribbing - New Foundation

Some capstone was installed prior to the move.

Structural Repairs & Cribbing - New Foundation

The crew installed the first I-beam track into the north gable-end cribbing.

Structural Repairs & Cribbing - New Foundation

An excavator and a beam roller placed on midspan cribbing helped insert the south track.

Structural Repairs & Cribbing - New Foundation

Beam rollers were placed on a “pyramid” stack of cribbing; the pyramid stacking formation was used throughout the lifting process to transmit loads through cribbing towers.

Structural Repairs & Cribbing - New Foundation

The I-beam track needed to be ground smooth to eliminate imperfections.

Structural Repairs & Cribbing - New Foundation

Waste-blocks rolled into place served as anchors for moving the building.

Close X