1. Load Rating: (12 points total) . You have been asked to design a scaffolding system for an existing building that has a deteriorating brick wall that is 85 ft long by 65 ft tall. Your construction company needs to tuck- point the mortar joints where mortar has become loose or is missing and replace broken or softened bricks. The average weight of all materials and workers over the whole bay area is what matters on the scaffold planks, not the individual weight of materials over their individual footprints. The scaffold planks will support an uneven distribution of loads. Scaffolding has a width of 5 ft for 88 ft and each scaffold bay is 8 ft long making it 11 bays wide. .. . 2. Bays with 2:-flat of brick on them: (6 points total) Use all the information previously provided. The schedule requires you to set up scaffolding for the whole length of the wall all in one build so you can maximize your crew size and minimize your time on site. There is enough brick deteriorated that the whole wall will on average need only (3) K-flats of new brick to replace bad bricks. A X-flat of brick (about 250 brick) weighs 1, 100 lbs and takes up a footprint of 3'-0" x 3'-8" in plan. Assume that the brick flat can be placed such that the 3'-8" ft dimension is parallel to the wall. Assume that on average each level and at each bay on that level the wall will require (3) tubs of mortar weighing 180 lbs each for the tuck-pointing. Assume a tub requires an area of 2'-0" x 1'- " next to a brick mason (worker), not in the same workspace. Assume a brick mason (worker) plus their hand tools weighs 250 lbs each and needs a plan area of 3 ft x 3 ft on the scaffold to work in AND they each must have 3 ft of wall face to tuck-point. Helpful hint: Use the scale drawings of the plan elements described above (I have provided a file attached to the end of this assignment) so you can play with the objects in each bay to see what can fit spatially. Remember, other workers must be able to pass behind the brick masons' work in progress on any given level and bay. 3. Bays without X-flat of brick on them: [10 points total) Use all the information previously provided 3.1. How many workers can work on a 5 ft wide x 8 ft long bay that has (3) tubs of mortar on it but no X-flat of brick? [5 points) Provide answer in a complete sentence. (1 point) 3.2. Is this limited by space or by the load capacity? (2 points) 3.3. Why might I want to plan for (4) tubs of mortar instead of only the required (3) tubs per bay? (2 points)