Premium Technical Services Corp.

Underpinning -

Lot line to lot line.

Value engineering can improve schedule.

Top down excavation

Reinforced concrete infill

Existing structure undermined

With limited headroom cost effective alternative to drilled mini piles.

Spread footing prepared

Pile supported entire structure

Settlement occurred during construction

Spread footings are not always the right answer.

Simultaneous lift

Raised 4”

NYC School Construct Authority

Lot line to lot line construction

5 Story School

Heavy Duty Bracket