Construction Updates

Date	Update
August 2023	Backfilling along the Main Entrance north staircase foundation wall has progressed. Reinforcing steel has been installed for the Main Entrance north staircase wall corbel. Concrete has been placed for the Main Entrance north staircase wall corbel. Backfilling along the Main Entrance staircase and Escalator foundation walls has progressed. The existing street level sidewalk has been demolished, in preparation for new sidewalk installation. Excavation and backfilling operations at street level is ongoing. Headhouse area prior to backfilling. Headhouse area after backfilling. Reinforcing steel has been installed for the northern portion of the transfer girder and the new Concourse roof slab. Concrete has been placed for the northern portion of the transfer girder and the new Concourse roof slab. Reinforcing steel has been installed for the southern portion of the transfer girder. Concrete has been placed for the southern portion of the transfer girder. Street level micropile drilling has commenced. Multiple street level micropiles have now been installed. Installation of platform wall-mounted benches has commenced at both platforms. Granite cladding continues to be installed at the 6th Street Emergency Egress Staircases.
June 2023	The abandoned original staircase has been backfilled. Micropile drilling at the new north side column has been completed. The new north column pile cap reinforcing steel has been installed. Concrete for the north column pile cap has now been placed. Micropile drilling at the new south side column has started and is now complete. The new south column pile cap reinforcing steel has been installed. Concrete for the south column pile cap has now been placed. The area around the south column pile cap has been backfilled and reinforcing steel installed. Concrete around the new south column has now been placed. The remaining portion of the staircase foundation slab has now had all reinforcing steel installed. Concrete has been placed for the remaining portion of the staircase foundation slab. Flowable fill concrete has been placed inside the walls of the staircases and escalator. Waterproofing and drainage piping have been installed along the exterior foundation walls of the staircases and escalator. Backfilling around the staircases and escalator exterior foundation walls has commenced. Concrete and reinforcing steel have now been installed for the upper escalator slab. The south staircase interior wall reinforcing steel has now been installed. Concrete has been placed for the south staircase interior wall. An existing floor slab has been demolished to accommodate the new station ejector pit. Existing soil has been excavated to accommodate the new station ejector pit.
May 2023	The North Entrance Staircase walls have now been constructed. The South Entrance Staircase walls have now been constructed. Overall view of the Entrance Staircase walls now constructed. The Concourse Level floor slab has now been constructed at the base of the Entrance Staircase and Elevator. Entrance Staircase roof walls have been partially constructed. Micropile drilling work has begun at the Entrance Staircase area at the Concourse Level. Tactile warning surface has been installed along the Track 1 Platform edge. LED light fixtures continue to be installed along the Track 2 Platform.
April 2023	Elevator shaft walls have now grown from the Concourse floor slab level up to street level. Waterproofing has been applied to the exterior faces of the Elevator and Escalator foundations and pit walls. Elevator and Escalator foundations and pit walls have been backfilled. A foundation drainage pipe has been installed and encased in reinforced concrete. Reinforcing steel has been installed for Escalator and Staircases foundation slab. Concrete has been placed for Escalator and Staircases foundation slab. A defunct high-pressure fire hydrant at the corner of 7th and Race Streets was removed. LED light fixtures are now being installed along the Track 1 Platform. LED light fixtures continue to be installed along the Track 2 Platform.
March 2023	Elevator foundation and pit reinforcing steel and concrete have been placed. Elevator shaft wall formwork and reinforcing steel continue to be installed. Escalator foundation and pit walls reinforcing steel and concrete have been installed. Overall view of the progress at the Concourse to future Headhouse area. A crawler crane has been erected to facilitate the placement of materials. Structural steel framing and roof decking have been installed. The now abandoned water main underneath Franklin Square Park has now been filled with flowable fill. Track 2 Platform painting work is ongoing. Concrete crack and spall repair work along the Track 1 Platform and in the Concourse is ongoing. Interior LED light fixtures have begun to be installed along the Track 2 Platform.
February 2023	Demolition of the existing Concourse level concrete floor slab at the future elevator, escalator, and staircases is complete. Excavation work and the installation of a pipe pile support of the excavation wall at the elevator and escalator foundations are now complete. Formwork and reinforcing steel have been installed in preparation for the placement of a concrete wall. Stone placement at the elevator and escalator foundations is now complete. The elevator and escalator foundation formwork have started to be installed. The Track 1 Platform ceiling has been painted.
January 2023	Micropile underpinning of an existing Station Concourse column has now been completed. Saw cutting of the existing Station Concourse floor slab has been completed in preparation for the demolition of the slab and installation of the elevator, escalator, and staircase. Elevator and escalator pit support of excavation pipe piles has started to be installed. Concrete restoration work on the Track 1 Platform floor slab has started. Concourse floor slab demolition and excavation work are forthcoming.
December 2022	Installation of temporary tie-backs in the Station Concourse is now complete in preparation for floor slab demolition. A portion of the existing Concourse roof has been saw cut and demolished in preparation for the installation of the future elevator, escalator, and staircases. Existing beams and columns have been cut and removed in preparation for installing the future elevator, escalator, and staircases. Waterproofing has been installed on the foundation walls of Track #1 and 2 Emergency Egresses at 6th Street. The Track #1 and 2 Emergency Egresses at 6th Street have been backfilled in preparation for sidewalk installation.
November 2022	Concrete demolition work on an existing ventilation duct is now complete. Soil improvement work is now complete at the future staircase and escalator area. Existing tile and reinforced concrete walls are being demolished in preparation for the future staircase and escalator. Existing concourse roof demolition is underway in preparation for the future staircase, escalator, and elevator. Due to observed safety concerns, a large tree within the project area has been cut down. Interior wall demolition work is underway in preparation for the installation of micropile foundation elements. Electrical conduit installation along the Track 1 ceiling is ongoing.
October 2022	Completed plumbing demolition. Completed excavation of the entrance headhouse. Completed shoring at the entrance headhouse. Continued electrical rough in along Platforms I and II. Poured concrete walls for egress houses. Removed duct bank along entrance headhouse.
September 2022	Completed excavation at egress headhouses. Completed testing and installation of micropiles at egress headhouse #2. Poured concrete foundation for egress headhouse #2. Began excavation of the entrance headhouse. Began shoring at the entrance headhouse.
August 2022	Demobilized and removed MPT along 7th Street – Watermain work complete. Demolished tile and metal wall panels in the Concourse. Began electrical rough in work at Concourse and Platforms. Began excavation along 6th Street egress headhouses. Removed concrete cover, granite wall panels, and recessed stair treads at the 6th Street egress headhouses.
July 2022	A new conduit rack has been installed on track 1. Road restoration is being prepared. Watermain pipe in to Race Street installed and completed. Water shutdown was completed for watermain pipe. The connection at Vine Street was completed.
June 2022	Watermain pipe is installed successfully. Platform work is happening at night, with both platforms being power washed. Tactile edge work on platform 1 is ongoing and will last through July. Shoring and excavating for the entrance house has begun and will continue.
May 2022	Bus shelter on 7th Street and Race Streets has been removed. Watermain pipe work has begun. Tree protection work completed with no issues. Security walls being installed to separate concourse from platforms. Approximately 30% of the water mainline is complete. Water line across 7th Street is complete. Temporary concourse walls are being installed on both platforms.
April 2022	Traffic controls put in place overnight. Traffic is operating with no issues. Installed lateral tie-ins for inlets, two of three inlets are now completed. A track outage is successfully completed to run a temporary powerline through the station into an existing electrical room.
February 2022	Construction for the Franklin Square Station begins.

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