Friday, February 29, 2008

Concrete

Views of pouring the concrete for the footings and piers in the basement of the Annex building.

Details (image numbers in parentheses):
A conveyor truck was used to move the concrete from the ready mix trucks to the forms (010, 015). The conveyor truck driver uses a remote control device to maneuver the extension arm into the correct position over the wooden form. The workers in the foundation site guide the
rubber chute at the end of the arm and spread and level the concrete within the form (019, 024). Later steel reinforcing rods are set into the concrete to strengthen the walls that will be built on top of the footings. In each of the isolated piers, four anchor bolts are set. When the steel columns are erected, their bases are anchored down by these bolts with washers and nuts (027). Samples of concrete are taken and tested to ensure that the concrete mix is of the right consistency and will attain its specified strength at the end of its 28 day curing period (016, 021).

Monday, weather permitting, block work for the west, south and north walls will begin. Then later next week, the east wall will be formed up and concrete poured into the forms. In the following week the plumber and the electrician will install their pipes and cables before the
concrete floor of the lower level is poured. ~ DS

Concrete (Photo #10)

Concrete (Photo #15)

Concrete (Photo #16)

Concrete (Photo #19)

Concrete (Photo #21)

Concrete (Photo #24)

(Photo #27)