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CONSTRUCTION UPDATES

OCTOBER 2019

Sunday, October 27 – Saturday, November 2

  • general cleaning of the project site

  • started to demobilize from the project site

  • power washed NB-295, bridge 1016 abutment B, and the decorative stone wing wall

  • placed bioretention soil mix in the bioretention area, excavated and completed tie in

  • backfilled the slope on the bioretention areas and forebay with onsite soil material stripped forms on previously placed PCC barrier and set forms for proposed PCC half curb barrier on South Capitol Street SW (left of the traveling lanes)

  • received and placed class B concrete in the PCC barrier wall

  • cast a concrete slab to obtain core samples for compressive strength tests 

  • excavated for light pole foundation on South Capitol Street SE

  • installed perforated pipe with aggregates and geotextile fabric between PCC half curb barrier on South Capitol Street

  • installed neoprene compression seal on the abutments of bridge 1016 on NB-295, left of the baseline and bridge 1017 on SB-295, right of the baseline

  • completed grading of slopes on the forebay and bioretention areas of the bioretention facility

  • excavated to plan depth for proposed rock window between the bioretention area and the forebay

  • formed PCC barrier footer on South Capitol Street SE

  • installed sand blasted and cleaned areas on the bridge 1017 pier cap for proposed installation of carbon fiber polymer wrapping

  • power washed the backwall and stem wall on abutment A on SB-295 bridge 1017

  • installation of neoprene compression seals on NB-295 bridge 1016 

  • installed neoprene strip seals on NB-295 bridge 1016 pier

 

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Sunday, October 20 – Saturday, October 26

10/21/19: Contractor completed the forming and placing of rebars in bridge 1017, NE and SE modified safety shape barriers and bridge 1016, NW and SW modified safety shape barriers. Placed 6.0 cubic yards of class A concrete in the modified safety shaped barriers. Portion of this concrete was placed in Bridge 1016 NE and SE cheek walls and also around the electrical junction box on bridge 1016 NE moment slab parapet wall. Excavated for light pole L1 foundation on South Capitol St. SE, at sta. 104+60, right of the baseline as per RFI-101. Pump out accumulated water from the Bioretention Facility. Completed the installation of forms and reinforcing steel for proposed PCC barrier wall on South Capitol St. SW between sta. 104+75 and 104+14, left of the traveling lanes. Placed 10 cubic yards of class B concrete in the above location. Continued concrete demolition for type 1 concrete crack repair on bridge 1016 abutment A stem wall. Grinded and removed grout injection pots from type 3 concrete crack repairs on bridge 1017 abutment A and B, and bridge 1016 abutment B. The type 2 concrete crack repair on bridge 1016 abutment A measured 92’ x 26” x 4” deep. 

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10/22/19: Contractor removed forms from modified safety shape barrier on bridge 1017, NE and SE corner and bridge 1016, NW and SW corners. Started the forming of Bridge 1017, NE and SE cheek walls and bridge 1016, NW and SW. Saw cut existing asphalt pavement on South Capitol St, SW for proposed PCC barrier footer on South Capitol St, SW approximately between sta. 104+00 and 103+00, left of the travelling lane. Concrete demolition for type 1 concrete crack repair on bridge 1016 pier cap between column 5 and 6, grinded and removed grout injection pots from type 3 concrete crack repairs on bridge 1017 abutment B. Stripped forms from PCC barrier placed yesterday. The crew continued setting of metal forms and reinforcing steel for PCC barrier on South Capitol St. SE approximately between sta. 104+14 and 103+69, left of the traveling lanes. 

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10/23/19: Contractor installed epoxy coated rebars and forms for proposed modified safety shaped barrier on the northwest and southwest corner on NB-295, bridge 1016.Continued to excavate for PCC half curb barrier footer on South Capitol St. SW. Installed epoxy coated rebars and forms for proposed modified shaped barrier on the northeast and southeast corner on bridge 1017. Reset 420 LF of PCC temporary traffic barriers on SB-295 between sta. 20+00 and 24+20, right of the baseline for safety reasons to install forms on the northeast and south east modified safety shaped barriers on SB-295, bridge 1017. Drilled 18” deep holes on the jacking support foundation concrete for proposed PCC barrier footer on South Capitol St. SW underneath Bridge 1016 and 1017.

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10/24/19: Contractor completed the forming and placing of reinforcement steel in bridge 1016, NW and SW cheek walls and bridge 1017, NE and SE cheek walls. Placed 8.0 cubic yards of class A concrete in the cheek walls. Removed temporary PCC barrier on NB-295, approximately between sta. 12+00 and 11+00, left of the baseline. Continued to excavate for PCC barrier footer on South Capitol St. SW, approximately between sta. 1014+50 and 102+00, left the travelling lane. Continued the laying of 30 mils PVC liner waterproof membrane on the bottom and sides of the bioretention area. Placed approximately 3” depth of No. 57 stones (Clean double washed) on the bottom of the bioretention area. Stripped forms from previously placed PCC barrier and resumed the setting of forms and reinforcing steel for PCC barrier on South Capitol St. SE approximately between sta. 103+69 and 103+24, left of the traveling lanes. Sandblasted type 1 concrete patch repairs on bridge 1017 abutment A stem wall and underneath the bridge 1016 pier cap between columns 4 and 5. Started power washing of bridge 1017 abutment A stemwall in preparation for staining. 

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10/25/19: Contractor stripped forms from bridge 1016, NW and SW cheekwalls and bridge 1017, NE and SE cheekwalls. Removed and hauled off site temporary PCC barrier on NB-295, approximately between sta. 12+00 and 11+00, left of the baseline. Placed and connected 26 ft of 4” diameter perforated underdrain pipe horizontally on the south side of inlet structure I-1 in the bioretention facility and 14 ft on the north side of the structure. 4.5 linear feet of 4” solid vertical cleanout pipes were connected at both ends of the underdrain pipes. Placed No. 57 aggregates (Double washed) on the sides and approximately 2 inches above the underdrain pipes and choked with 2 inches of No. 8 aggregates. Started backfilling with bioretention soil mix in 12” lifts. The work is in progress. Stripped forms from previously placed PCC barrier and formed PCC barrier on South Capitol St. SE approximately between sta. 103+24 and 102+80, left of the traveling lanes. The crew formed PCC barrier footer on South Capitol St. SW approximately between sta. 140+75 and 140+30, left of the travelling lane. Placed 16.5 cubic yards of class B concrete in the PCC barrier wall and footer. Started to groove on bridges 1016 and 1017 deck slabs. 

 

10/26/19: Contractor removed temporary traffic barriers form NB-295, left of the baseline and SB-295, right of the baseline. Installed four Thrie beam approach transitions at the following locations (1) SB-295, sta. 22+07 to 22+27, RT. (2). SB-295, sta. 23+45 to 23+65, RT. (3) NB-295, sta. 11+90 to 12+10, LT and (4) NB-295 sta. 13+15 to 13+35. Removed 100 ft of existing W-beam guardrail on NB-295 between sta. 11+50 to 10+50, Lt and 60 ft on NB-295 Sta. 14+00 to 13+40, LT. Installed Type 1 W-beam on SB-295 approximately between sta. 23+65 and 25+00, right of the baseline and between sta. 22+00 to 22+07, right of the baseline. Installed Type 1 W-beam on NB-295 approximately between sta. 10+50 and 11+90, left of the baseline and between sta. 13+35 and 13+54, left of the baseline. Installed anchors and wire fabric on bridge 1017 Pier column. Installed shotcrete concrete in type 1 concrete patch repair 130” x 57” x 4” deep on Bridge 1016 pier cap between columns 5 and 6. The crew cast a 3 ft x 3 ft x 6” concrete slab to obtain core samples for compressive strength tests. 

Sunday, October 13 – Saturday, October 19

10/14/19: Contractor completed the placing of latex modified concrete overlay on bridge 1017 modular units 1-1, 1-2, 2-1, 2-2, 3-1, and 3-2 on SB-295, left of the baseline. The crew placed wet burlap over the latex concrete and cleaned construction debris on the deck slab. 

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10/15/19: Contractor cleaned construction debris from bridges 1017 and 1016 drainage trough at the piers. Continued to excavate for PCC half curb barrier on South Capitol St. excavated soil spoils were hauled off site in dump trucks. Cleaned construction debris from bridges 1017 and 1016 drainage trough at the piers. Excavate to plan elevation for proposed bioretention facility in the median between NB and SB-295, south of bridges 1016 and 1017. The crew excavated and hauled out soil in dump truck from the project site. The crew hauled out 4 truckloads of soil spoils. Placed 30 cubic yards of class B concrete in PCC barrier wall footer on South Capitol St. SW. 

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10/16/19: Contractor installed epoxy coated rebars and forms for proposed modified safety shaped barrier on the northwest and southwest corner on NB-295, bridge 1016.Continued to excavate for PCC half curb barrier footer on South Capitol St. SW. Installed epoxy coated rebars and forms for proposed modified shaped barrier on the northeast and southeast corner on bridge 1017. Reset 420 LF of PCC temporary traffic barriers on SB-295 between sta. 20+00 and 24+20, right of the baseline for safety reasons to install forms on the northeast and south east modified safety shaped barriers on SB-295, bridge 1017. Drilled 18” deep holes on the jacking support foundation concrete for proposed PCC barrier footer on South Capitol St. SW underneath Bridge 1016 and 1017. 

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10/17/19: Contractor continued to install epoxy coated rebars and set forms for modified safety shaped barrier on bridges 1016 and 1017. Continued to excavate for PCC barrier footer on South Capitol St. SW. Reset 300 LF of PCC temporary traffic barriers on NB-295 between sta. 10+00 and 13+00, left of the baseline for safety reasons whilst installing forms for the northwest and southwest modified safety shape barriers on NB-295, bridge 1016. Excavated and graded the slopes around the perimeter of the proposed Bioretention facility in the median between NB and SB-295, south of bridges 1016 and 1017. Placed 20 cubic yards of class B concrete in PCC barrier wall footer on South Capitol St. SW. Installed electrical junction box with connecting 2” PVC conduits on the northeast moment slab parapet on bridge 1016.

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10/18/19: Contractor cleaned construction debris from bridges 1017 and 1016 drainage trough at the piers. Continued to excavate for PCC half curb barrier footer on South Capitol St. SW. Seeded and mulched the green area between NB-and SB-295 on the north of the bridges. Excavate and graded the slopes on the bioretention facility in the median between NB and SB-295, south of bridges 1016 and 1017. Placed 20 cubic yards of class B concrete in PCC barrier wall footer on South Capitol St. SW.

 

10/19/19: No work.

Sunday, October 6 – Saturday, October 12

10/07/19: Contractor crew performed general cleaning of construction debris from site. Trenched in conduits on South Capitol St. SE between sta. 103+30 and sta. 103+60, right of the baseline. Sand blasted, installed anchors and welded wire fabric in various type 1 and 2 repair areas on bridges 1016 and 1017 piers. Started the application of shotcrete on bridge 1017 pier. The crew completed two type 1 concrete patch repairs on the third eastern column (column 3) on bridge 1017 pier.  

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10/08/19: Contractor performed general cleaning of construction debris from site. Used cement mortar and plugged holes left on abutment wall after the removal of work platform overhang brackets. Grinded approximately 1 to 2 inches of concrete off modular units 6-1 and 7-1 for latex placement. Adjusted guide rails for the Bidwell screed machine in preparation for Latex placement on bridge 1016, left of the baseline. Sand blasted, installed anchors and welded wire fabrics in various type 1 and 2 concrete patches on bridges 1016 and 1017 piers. Continued the application of shotcrete in type 1 and 2 concrete repairs on bridges 1016 and 1017 Piers. A total of nine type 1 repairs and three type 2 repairs were completed on bridges 1016 and 1017 piers. Started excavating to plan bottom elevation for the bioretention facility in the median between NB and SB-295, south of bridges 1016 and 1017. The crew started excavating around storm drain inlet structure I-1. Installed cabinet with photocell mounted on Bridge 1016 abutment A east wingwall. The cabinet was connected to 2” PVC conduit from handhole HH-3 with 2” PVC coated metal pipe. 

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10/09/19: Contractor performed general cleaning of construction debris from site. Continued the plugged of holes left on bridges 1016 and 1017 abutment walls after the removal of the work platform overhang brackets. Grinded approximately 1 to 2 inches of concrete off modular units 6-1 and 7-1 for latex placement. Adjusted guide rails for the Bidwell screed machine in preparation for Latex placement on bridge 1016, left of the baseline. Welded varying thickness (maximum ½” ) metal strips on the L shaped angle on the armored joint on bridge 1017 abutment A due to elevation deficiencies. Chipped off concrete for type 1 and 2 repairs on bridge 1016 and 1017 abutments A. The crew left at 12 noon because their chipping tool broke down. Continued to excavate to plan elevation on the bioretention facility in the median between NB and SB-295, south of bridges 1016 and 1017. The crew excavated around inlet structure I-1. The crew hauled out 4 truckloads of common excavation soil. 

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10/10/19: Contractor grinded, chipped off uneven surfaces, sand blasting and cleaned debris on bridge 1016 deck slab modular units 6-1, 6-2, 7-1 and 7-2. Cleaned, sand blasting debris and chipped off uneven surfaces on bridge 1016 deck slab modular units 4-1, 4-2, 5-1 and 5-2. Adjusted the Bidwell machine and guide rails on NB-295, bridge 1016 left of the baseline in preparation for Latex placement on modular units 6-1, 6-2, 7-1 and 7-2. Dry run to obtain depth check for latex concrete placement was performed and minimum depth requirement of 1-1/4” were obtained. Continued excavating to plan elevation on the bioretention facility on the median between NB and SB-295, south of bridges 1016 and 1017. The crew excavated around inlet structure I-1. The crew hauled out 4 truckloads of common excavation soil. 

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10/11/19: Contractor started and completed the placing of latex concrete mix design LMCVEDC on SB-295, bridge 1016, left of the baseline at 12:15 AM. Yield test on the latex was performed by Heartland Concrete crew on all truck loads. The prime contractor’s crew received and placed a total of 25.8 cubic yards of Latex concrete in both Bridges 1016 and 1017. The concrete was tested for slump, air content, unit weight. Continued concrete demo, sand blast, install bolts and welded wire mesh on concrete patches on bridge 1017 abutment A and B. Continued the grinding, chipping off uneven surfaces, sand blasting and cleaning of debris on NB-295, bridge 1016 deck slab modular units 8-1, 8-2, 9-1, 9-2, 10-1 and 10-2. Prepared guide rails for the Bidwell screed machine on NB-295, bridge 1016 in preparation of latex placement. Continued concrete demo, sand blast, install bolts and welded wire fabric on concrete patches on bridge 1017 abutment A and B.

 

10/12/19: Contractor set up The Bidwell machine for latex placement on bridge 1016 modular units 8-1, 8-2, 9-1, 9-2, 10-1 and 10-2 on NB-295, right of the baseline. Continued chipping, grinding and power washing bridge 1016 deck modular units 8-1, 8-2, 9-1, 9-2, 10-1 and 10-2 on NB-295, right of the baseline. Reset 492 linear feet of PCC barrier on SB-295. Continued to chip, sand blast, install bolts and welded wire fabric on concrete patches on bridge 1017 abutment A and B. Completed power washing of bridge 1016 deck slab modular units 8-1, 8-2, 9-1, 9-2, 10-1 and 10-2 on NB-295, right of the baseline. Received and placed 17.30 cubic yards of latex modified concrete mix design LMCVEDC from Heartland Concrete on NB-295, Yield verification tests were performed on each truck loads. The concrete was tested for slump, air contents, unit weight and temperatures. The concrete was covered with wet burlaps and polyethylene sheeting for curing. 

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