Civil Infrastructure As-Built Projects

At G&P Associates, we specialize in delivering comprehensive civil infrastructure as-built projects that set industry benchmarks. Our cutting-edge 3D laser scanning projects utilize methodologies that precisely capture every detail of civil structures, offering architects and contractors an unparalleled foundation for planning, analysis, and implementation. 

By leveraging state-of-the-art technology, our team ensures that the resulting digital representations are exact replicas of physical sites, facilitating error-free development and reconstruction efforts. By integrating these detailed datasets into your 3D BIM project workflows, stakeholders can anticipate potential challenges and refine strategic decisions, resulting in optimized project outcomes. 

You can put your trust in G&P Associates to provide the accuracy, efficiency, and reliability your ambitious projects demand. Please view G&P Associates’ portfolio of civil infrastructure as-built projects below for proof of our exceptional results. This is a partial sample of our most recent 3d Laser Scanning, 3d CAD, and BIM projects. There are many more! We are located in New York and San Francisco. Contact us for additional projects and information. 

Far Rockaways Subway Stations - Queens, NY

Type: Rail / Subway / Tunnels
  • Laser scanning of 9 elevated subway stations from roadway to platform.
  • 2D-plans, tables, cross-sections for roadway, mezzanine, and platform levels. Plans included all visible utilities.
  • Complete 3D-model of 1 subway station.

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Willets Avenue/Shea Stadium Station - Queens, NY

Type: Rail / Subway / Tunnels
  • Laser scanning of complete roadway, underside steel, mezzanines, platforms and tracks.
  • 2D-plans, tables, cross sections of roadway, underside steel, stairways, mezzanines, platforms and tracks. Plans included all visible utilities.

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45th Road/ Court Square - Queens, NY

Type: Rail / Subway / Tunnels
  • Laser scanning of complete roadway, underside steel, mezzanines, platforms and tracks.
  • 2D-plans, tables, cross sections of roadway, underside steel, stairways, mezzanines, platforms and tracks. Plans included all visible utilities.

South Ferry Terminal Subway Station - NY, NY

Type: Rail / Subway / Tunnels
  • Laser scanning of track level, mezzanine level and misc. rooms.
  • Register of scans and preliminary drawings of concrete cracks.

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Subway Tunnel - NY, NY

Type: Rail / Subway / Tunnels
  • Laser scanning of 3200 feet of subway tunnel.
  • Cross sections for tunnel.
  • 3D-model of a portion of tunnel.

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Queens Plaza Tunnel - Queens, NY

Type: Rail / Subway / Tunnels
  • Laser scanning of 3600 feet of tunnel.
  • Registration and track alignments.

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71st/Continental Subway Tunnel - Queens,NY

Type: Rail / Subway / Tunnels
  • Laser scanning of 1000 feet of tunnel under live conditions.
  • 3D-model of entire tunnel including tracks, signals, overhead beams, etc.
  • 2D-plans of entire tunnel including tracks, columns, ceiling plans etc.

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75th Street Tunnel - Queens, NY

Type: Rail / Subway / Tunnels
  • Laser scanning of 1000 feet of tunnel under live active track conditions.
  • 2D-plans of entire tunnel including tracks, columns, signals, ceilings, etc.

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Pitt River Cable Stayed - Vancouver, BC

Type: Bridges
  • 3D-modeling of concrete, cable anchorages,  and rebar for towers
  • 3D-modeling of proposed steel falsework for tower construction
  • 3D-modeling of Pier E2 abutment at tie-in between mainspan and approach roadway.
  • Construction sequencing for trades.

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I-95 Multi-Level - Boston, MA Area

Type: Bridges
  • Combined construction drawings and 3d laser scans to produce 3D Autocad as-built mode of 8 miles of Interstate and entire model of complex major interchange.

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Benecia-Martinez Bridge - San Francisco Bay Area

Type: Bridges
  • Created 3D AutoCAD model of Pier Caps, Backspans, and Concrete Formwork.
  • Created 2D Construction Fabrication drawings for formwork.
  • Bridge is located in the San Francisco bay area.

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Verrazano Narrows Structural Improvements - New York City

Type: Bridges
  • 3d Laser scanning of steel towers, anchorage houses, and mainspan.
  • 3D and 2D As-built models/plans.
  • 2D-plans of approximately 24,000 bolts and rivets.

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Whitestone / Throgsneck Bridges Structural Improvements - New York, NY

Type: Bridges
  • 3d Laser scanning of anchorage house and mainspan.
  • 3d CAD/ As-built of anchorage houses and mainspan cables.
  • Table dimensions for mainspan cable fabrication.

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Willis Avenue Bridge Repairs - NY, NY

Type: Bridges
  • 3d Laser scanning of bridge approach underside.
  • 3D-model and 2D-plan of bridge approach underside to facilitate repairs.

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Zakim Cable Stay, Boston, MA

Type: Bridges
  • Boston 3d Laser Scanning of concrete tower.
  • Overlay of as-built data onto proposed to see differences.

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Khalda

Type: Bridges

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Crocker Pond Dam - MA

Type: Topography
Structural and retention area monitoring.

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Bruckner Expressway - Bronx, NY

Type: Topography
  • Created complete 2D-plan and surface model of interchange.

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