Steel Fabricator Welding D-Beam for Rapid Construction

Experts in Building Solutions

PROBLEM < OPPORTUNITY

Throughout North America, mid and high-rise residential structures have typically been constructed of cast-in-place reinforced concrete offering benefits such as low floor-to-floor height and fireproof construction. Despite its benefits, this system is expensive, time-consuming, labor intensive and weather sensitive.

The GIRDER-SLAB® system combines the advantages of structural steel and cast-in-place concrete.

This proven technology has become the industry standard for achieving low floor-to-floor heights with structural steel in multi-story residential buildings.

  • APPLICATION

    The GIRDER-SLAB® system is ideal for use in mid to high-rise residential structures such as apartments, condominiums, hotels, student housing and senior living developments. The system is fire rated for use in residential buildings when constructed in accordance with Underwriters Laboratories, Inc. Floor Ceiling Design No. K912.

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  • DESIGN

    The GIRDER-SLAB® system is designed by the owner’s architect and structural engineer in combination with a conventional structural steel frame. Unlike cast-in- place concrete structures, the GIRDER-SLAB® system uses off site prefabricated components that are quickly erected on site by one trade, ironworkers. The system is low cost, lightweight and offers rapid assembly and construction.

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  • THE D-BEAM® GIRDER

    The components of the system, structural steel (including the unique D- BEAM® girder) and precast prestressed hollow core slabs, are manufactured and supplied by the builder’s customary subcontractors, guaranteeing the owner competitive procurement of the building’s superstructure.

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THE GIRDER-SLAB ADVANTAGE

  • SPEED

    Construction becomes assembly

    No Shoring

    High quality prefabricated materials

  • SLIM FLOOR PROFILE

    Eliminates wasted space

    Creates additional floor(s) versus conventional steel

  • LESS LABOR

    Less workers on site

    Safer work environment

    Single trade dependency

  • YEAR ROUND CONSTRUCTION

    Build in all conditions

    Eliminates heating and hoarding

    Assemble 3-4 floors before grouting

  • COST SAVINGS

    Faster completion

    Reduce materials

    Lighter structure

    Reduced workforce

    Reduction of structural system cost by 25–30%

Providing certainty. Elevating profitability

The average GIRDER-SLAB® project achieves a 17 % savings on capital cost of the structure AND a total 6 months trimmed off conventional construction schedule (1 month in design + 5 months in construction).

The compounding effect of lower construction (and borrowing) cost and faster speed to market means a predictably higher IRR.

Turner Construction

ALOFT Hotels

Skanska

Brown University

Gilbane

Holiday Inn

Toll Brothers

Clemson University

AECOM Tishman

Turner Construction ALOFT Hotels Skanska Brown University Gilbane Holiday Inn Toll Brothers Clemson University AECOM Tishman

The results speak for themselves…and so do our partners. That’s why over 73% of completed projects are designed by repeat architects and structural engineers

University of Michigan

Colby

MIT

O'Donnell & Naccarato

SUFFOLK

Princeton University

University of Michigan Colby MIT O'Donnell & Naccarato SUFFOLK Princeton University

DAVIS BRODY BOND

McNamara Salvia

WSP

University of rhode Island

IMEG

McDonald Building Company

Thornton Thomasetti

DAVIS BRODY BOND McNamara Salvia WSP University of rhode Island IMEG McDonald Building Company Thornton Thomasetti

The Landing hotel

Odeh Engineers

The Harman Group

Shepley Bulfinch

DoubleTree

STANTEC

Hotel Carmichael

DESIMONE

The Landing hotel Odeh Engineers The Harman Group Shepley Bulfinch DoubleTree STANTEC Hotel Carmichael DESIMONE

Temple University

University of Virginia

Drexel University

Duquesne University

MGM

James Madison University

YOTEL

Temple University University of Virginia Drexel University Duquesne University MGM James Madison University YOTEL

Case Study

  • Location: Philadelphia, PA

    Height: 16 Stories

    Size: 223,000 SF

    Type: Mixed Use

    Completed: 2021

  • Developer: Radnor Property Group

    Builder: McDonald Building Company

  • Architect: MY Architecture

    Engineer: Harman Group (now IMEG)

  • Phase I of this project was completed in 30 months using conventional steel.

    Phase II of this project was completed in 15 months (during Covid, with reduced labor) utilizing the Girder-Slab System.

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