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JUNE 2019

Sunday, June 23 – Saturday, June 29, 2019 (Phase 1 Activity):

  • Drilling, installation and tensioning of bolts for the proposed jacking angles at pier 7/spans 7 and 8, interior and exterior girders.

  • Drilling and installation of the jacking angles at pier 8/span 8, interior and exterior girders.

  • Drilling and installation of the jacking angles at pier 8/span 9, interior and exterior girders.

  • Removal of 16 rivets in conflict with the proposed jacking angles at pier 8/spans 8 and 9 on the north bridge.

  • Relocation of work platform to pier 8 and removal of existing rivets in span 8, interior and exterior girders.

  • Installation of a total of six (6) directional signs (eastbound), including mounting of the sign on a timber support, then mounting of the existing overhead sign support.

  • Backfilling along 18-inch RCP storm pipe on NPS property (used jumping jack for compaction; soil compaction test performed).  

  • Excavation for 18-inch RCP storm pipe installation, placing stone bedding materials.

  • Installation of 18-inch RCP storm pipe.

  • Fabrication of the pedestrian railing and historic bridge rails for the north bridge.

  • Fabrication of the bridge bearings.

  • Please note:  In addition to the phase 1 traffic configuration, the right lane (eastbound) was closed on Friday, June 28th from 9:50 am to approximately 2:30 pm to receive deliveries of construction materials for the pedestrian connection path.

Sunday, June 16 – Saturday, June 22, 2019 (Phase 1 Activity):

  • Drilling and installation of the proposed jacking angle at pier 6/span 6, interior and exterior girder (zinc primer applied to all damaged painted areas around the existing rivet holes prior to installation).

  • Drilling and installation of the proposed jacking angle at pier 6/span 7, interior and exterior girder (used the turnoff nut method to tension the bolts and tested).

  • Drilling for the proposed jacking angles at pier 7/span 8, interior girder.

  • Removal of the work platforms from piers 2, 4, and 6 and relocated to piers 9, 10 and 11 on the east side of Kingman Island.

  • Installation of the work platform at pier 15 on the north bridge (accessing through the east of the bridge park services pedestrian path to unload material).

  • Backfilling undercut excavation with approved stone to install 18-inch RCP storm pipe and setting the proposed manhole on NPS property (compaction test performed).  

  • Demolition of the median barrier for concrete repairs.

  • Removal of a portion of the existing median barrier at the proposed overhead sign (south bridge).

  • Removal of 16 rivets from the top and bottom flanges of the exiting floor beam at the proposed jacking angles at pier 7/spans 7 & 8 on the north bridge.

  • Fabrication of the pedestrian railing and historic bridge rails for the north bridge.

  • Fabrication of the bridge bearings.

Sunday, June 9 – Saturday, June 15, 2019 (Phase 1 Activity):

  • Installation of demo shields and working platforms on the north bridge at piers 6, 7 and 8 on Kingman Island.

  • Drilling and installation of high strength bolts in the proposed jacking angles at pier 5/span 6, interior and exterior girders.

  • Torqueing of bolts in the jacking angles at pier 2/spans 2 and 3, interior and exterior girders.

  • Torqueing of bolts in the jacking angles at pier 4/spans 4 and 5, interior and exterior girders.

  • Torqueing of bolts in the jacking angles at pier 5/span 5, exterior girder.

  • Drilling for the proposed jacking angles at pier 6/span 6, exterior girder.

  • Inspection of bolts and testing for rotational capacity and to determine the inspection torque wrench value on bolts used in the jacking angles.

  • Re-staking of the proposed temporary ramp A by surveyors.

  • Backfilling and excavation of trench to install RCP storm pipe on NPS property (compaction test performed).

  • Demolition of the median barrier for concrete repairs.

  • Removal of a portion of the existing median barrier (south bridge only), where the proposed overhead sign structure # 1 is to be replaced.

  • Removal, reaming and cleaning of existing rivets in the top and bottom flanges of the existing floor beams at pier 6/spans 6 and 7 on the north bridge.

  • Removal of the barrier from the top of the existing deck.

  • Fabrication of the pedestrian railing and historic bridge rails for the north bridge.

  • Please Note:  In addition to the phase 1 traffic configuration, the right lane (eastbound) was closed on Tuesday, June 11th and Wednesday, June 12th from 9:30 am to approximately 3:00 pm to receive deliveries of construction materials for the pedestrian connection path.

Sunday, June 2 – Saturday, June 8, 2019 (Phase 1 Activity):

  • Drilling and installation of the proposed jacking angles at pier 4/spans 4 and 5, interior and exterior girders on the north bridge.

  • Drilling and installation of the proposed jacking angles at pier 5/spans 5 and 6, interior and exterior girders.

  • Installation of work platform at pier 7.

  • Removal of 12 existing rivets conflicting with the proposed angles.

  • Installation of high strength bolts in the jacking angles.

  • Reaming of existing rivet holes that will be covered with the jacking angle in the top and bottom flanges.

  • Installation of demo shield between pier 6 and pier 7 along the Kingman Island.

  • Installation of silt fence in the grassy median west of the bridge and around inlet.

  • Scarification and spreading the stockpile of existing excavated material from the trench excavation on NPS property.

  • Installation of temporary 15” pipe with flared end sections at temporary ramp A, along with backfilling on top of the pipe using a trench roller for compaction.

  • Test pitting for electric lines crossing RCP pipe.

  • Fabrication of the pedestrian railing and historic bridge rails for the north bridge.

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