Second Dickinson Reservoir

Progress pictures of the 2nd Dickinson Reservoir.

Looking west at the reservoir.

Looking west at the reservoir.

JTJ setting bridge brackets and beams for the work platform.

JTJ setting bridge brackets and beams for the work platform.

JTJ sealing a dome connection plate cap.

JTJ sealing a dome connection plate cap.

A view from under the dome.

A view from under the dome.

Looking down at the dome.

Looking down at the dome.

Reservoir backfill progress looking Southeast.

Reservoir backfill progress looking Southeast.

Reservoir backfill progress looking Northwest.

Reservoir backfill progress looking Northwest.

Martin using a scraper to place backfill on the east side of the reservoir.

Martin using a scraper to place backfill on the east side of the reservoir.

Picture of the current progress of the dome.

Picture of the current progress of the dome.

Picture of the backfill progress.

Picture of the backfill progress.

Martin Excavating placing backfill along the west side of the reservoir.

Martin Excavating placing backfill along the west side of the reservoir.

Present conditions at the reservoir site.

Present conditions at the reservoir site.

Drainage material installation detail at the overflow thrust block.

Drainage material installation detail at the overflow thrust block.

Close up of the panel drain wrap around the 6-inch drain pipe to protect during fill placement.

Close up of the panel drain wrap around the 6-inch drain pipe to protect during fill placement.

JTJ work in progress on wall sections #9, #10 & #11, with interior form work sections stationed on the reservoir floor for cleaning and application of form oil.

JTJ tooling the wall section #9 construction joint as the concrete placement for wall section #11 progresses in the distance.

JTJ work in progress on wall sections #9, #10 & #11, with interior form work sections stationed on the reservoir floor for cleaning and application of form oil.

JTJ crew guiding the 28 foot long snorkel to the base of the wall framework.

JTJ work in progress on wall sections #9, #10 & #11, with interior form work sections stationed on the reservoir floor for cleaning and application of form oil.

Installation of the exterior face form work for Wall por #12 on the SE side of the reservoir.

JTJ work in progress on wall sections #9, #10 & #11, with interior form work sections stationed on the reservoir floor for cleaning and application of form oil.

JTJ work in progress on wall sections #9, #10 & #11, with interior form work sections stationed on the reservoir floor for cleaning and application of form oil.

JTJ striping the wood bulkhead form work from the south end of the wall.

JTJ striping the wood bulkhead form work from the south end of the wall.

Removal of concrete flash and burnishing the surface of the SE end of wall section #11.

Removal of concrete flash and burnishing the surface of the SE end of wall section #11.

JTJ inserting the last of the taper ties for wall pour #6.

JTJ inserting the last of the taper ties for wall pour #6.

JTJ applying concrete cure to outside of wall section #4 (left) and final CJ prep for wall pour #6 (right).

JTJ applying concrete cure to outside of wall section #4 (left) and final CJ prep for wall pour #6 (right).

JTJ preparing the SE slab area for concrete placement.

JTJ preparing the SE slab area for concrete placement.

Drone captured picture of the construction site.

Drone captured picture of the construction site.

Drone captured picture of the construction site.

Drone captured picture of the construction site.

Drone captured picture of the construction site.

Drone captured picture of the construction site.

JTJ making final preparations to move the outside face formwork for perimeter wall pour #2 on west side of the 2nd reservoir.

JTJ making final preparations to move the outside face formwork for perimeter wall pour #2 on west side of the 2nd reservoir.

JTJ closing up the first wall pour bulkhead.

JTJ closing up the first wall pour bulkhead.

Woody's continued with tying perimeter wall rebar panels.

Woody’s continued with tying perimeter wall rebar panels.

JTJ distributing drainage aggregate for the SE quarter floor slab area. The length of drain pipe in the foreground is a remnent and not the installed pipe.

JTJ distributing drainage aggregate for the SE quarter floor slab area. The length of drain pipe in the foreground is a remnent and not the installed pipe.

JTJ squaring and

JTJ squaring and “rattling” up the bolted connections of the formwork.

JTJ crew deploying PVC liner over the aggregate base subgrade for the SE quarter slab area.

JTJ crew deploying PVC liner over the aggregate base subgrade for the SE quarter slab area.

Concrete placement for NE quarter slab in progress.

Concrete placement for NE quarter slab in progress.

Erection of the outer formwork panel section.

Erection of the outer formwork panel section.

JTJ nearing completion of the perimeter wall formwork.

JTJ nearing completion of the perimeter wall formwork.

Another angle of the water stop and seismic cable installation.

Another angle of the water stop and seismic cable installation.

JTJ crew performing final grading of drainage aggregate and screed poles.

JTJ crew performing final grading of drainage aggregate and screed poles.

: FInal grading and debris clean up of the subgrade for the NE quarter slab area.

: FInal grading and debris clean up of the subgrade for the NE quarter slab area.

Concrete placement for the inlet/outlet DIP.

Concrete placement for the inlet/outlet DIP.

Rebar installation in progress for the upper portion of the inlet/outlet DIP encasement/floor penetration.

Rebar installation in progress for the upper portion of the inlet/outlet DIP encasement/floor penetration.

Concrete placement for the inlet/outlet DIP.

Concrete placement for the inlet/outlet DIP.

Looking North: Overall site view of the 2nd Reservoir.

Looking North: Overall site view of the 2nd Reservoir.

Looking SW: Upper wall portion of the seismic cables tied together in near final geometry for floor pour.

Looking SW: Upper wall portion of the seismic cables tied together in near final geometry for floor pour.

Looking West - Knife River belly-dump semi-trailer delivering NDDOT Class 5 aggregate to the 2nd Reservoir subgrade area, 1st lift.

Looking West – Knife River belly-dump semi-trailer delivering NDDOT Class 5 aggregate to the 2nd Reservoir subgrade area, 1st lift.

Looking West - Martin Excavating shaping exterior footing/slab surface slope area for second lift.

Looking West – Martin Excavating shaping exterior footing/slab surface slope area for second lift.

Looking West - Martin Excavating placing and compacting NDDOT Class 5 aggregate 2nd lift on the northern portion of the 2nd Reservoir subgrade.

Looking West – Martin Excavating placing and compacting NDDOT Class 5 aggregate 2nd lift on the northern portion of the 2nd Reservoir subgrade.