The building code for our area requires concrete
footings to be made with 3000 pounds per square inch (psi) concrete and the
excavation to be 3’-6” deep, which is below the frost line and will prevent
damage to the structure from frost-heave caused by freezing water in the soil.
Our footings are 3’-8” deep and one foot thick. 3000 psi concrete is strong in
compression, but weak in tension, so our footings also contain steel rebar set
horizontally to increase the tension strength and vertically to provide
attachment points and added strength to the foundation and piers that our walls
and steel roof pillars will sit on. To ensure that our concrete meets
specifications, samples are taken and tested.
Carl Taylor has made excellent
progress in pouring the footings. In addition, they have framed and poured some
piers and repaired the foundation wall that was damaged during demolition. If
you had a bird’s-eye-view of their work, you would be able to see the entire
footprint of our new addition.
In other news, the winter heating issue has been addressed.
TEDCO has installed a large gas fired hot air furnace in the area behind the
dining room and is currently building a temporary roof to protect it. Next
steps include running a gas line and electricity to the furnace, installing a
thermostat and running flexible ducts through windows into the fellowship hall
and the large basement classroom. Portable fans will be used to help distribute
the warm air within the building, and small electric heaters will provide
additional heat to the offices as needed. TEDCO has also created a new building
schedule with a projected completion date of June 19. It is important to
remember, however, that the schedule is a living document and could be affected by weather and other factors. A copy of the schedule will
be available at church on Sundays, and a pdf version should soon be available
on this blog.
Finally, we are going to lose the large maple in the back yard.
The trench for the storm drain for the new addition will go right through the root
ball of the tree, compromising its health. Due to limited
space, there is no alternative route for the drain. TEDCO recommends removing
the tree before the addition is built and makes removal a delicate process and potentially impacts the building schedule. We will be soliciting bids today.
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