The following work is scheduled for 06-16-21 to 06-30-21:
The second half of June will see more visible progress as reinforced concrete walls will rise from the excavated work site. A carefully planned drainage system connected to sump pumps will also be installed during this time.
The excavation activity that took place during the first half of June is nearly complete. Only a small area in the northeast corner of the site, the location of a new stairwell, remains to be excavated. (This stairwell will go from the lower level fellowship hall up to grade level outside the east side of the sanctuary.) The excavation team will also continue to load and remove any excess soils that will not be needed for backfill after the new foundation walls have cured and been waterproofed.
The foundation team throughout early June has been installing concrete pads that support carefully placed column anchor bolts, and more recently, pouring a steel reinforced footing that will support the poured walls around the building perimeter.
The same foundation team will build forms and steel reinforcements that form the wall “mold” into which concrete will be poured. Truck after truck will haul loads of cement to the same pumping truck that was used to pour the foundations and pads. The team will work there way around the perimeter foundation, building forms and pouring as they go. Engineers on site test the concrete at each step in the process (pads, footings and foundation walls) to assure that necessary quality specifications are met.
The shape of the top of these foundation walls is particularly complex. First, so that the walls can support the necessary steel, flooring and above-grade masonry. And second, to accommodate the gently sloping floor that is part of the new sanctuary design.
After the walls are installed (while we wait for the walls to cure and be waterproofed) the underground drainage system will be installed. This work will also take place in the second half of June. This involves installing a carefully designed system of drainage tiles and pipes that feed into two large sump pumps that will be installed below the basement floor on the west side of the new lower level.
Foundations and Walls
Underground Plumbing / Drainage