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C. Epoxy Mortar: Approved two- component product with a three -day minimum compressive strength of 5,000 psi. The two- component product shall be mixed and applied in accordance with manufacturer's instructions. PART 1 EXECUTION 3.01 APPEARANCE GRADE CONCRETE: 1 A. Extent: Construct cast -in -place concrete as appearance grade concrete, as specified in Article 1.02.A.3, with the exception of the following- 1 . Unformed concrete, such as that in slabs, toppings, and ramps. 2. Concrete which is to be covered with earth. 3. Surfaces of which are interior surfaces not visible to the public, such as in shafts, pits, and utility spaces. B. Forms: 1. Design forms to provide the indicated finish. Limit the deflection of form facing materials between studs, as well as the deflection of studs and walers, to 1/240 the span length. ' 2. Design forms for easy removal without damage to the finished concrete. 1 3. Arrange the panels in the forms in orderly fashion, with joints between panels, expansion joints, and rustications laid out equally spaced, symmetrical with relation to such elements as centerlines, corners and ' major openings. 4. Place tie holes in rustications or other emphasized joints. Where there are no rustications or joints, place ties in orderly vertical and horizontal lines, evenly spaced at 24 inches on centers unless otherwise indicated. 5. Place tapered, removable cones at the rod ends in exposed concrete faces except where plane tie rod hole patching is indicated. 6. Do not reuse forms if there is any evidence of surface wear or defects. Clean and coat forms as indicated. 7. Observe formwork continuously while concrete is being placed to see that there are no deviations from desired elevation, alignment, plumpness and camber. If, during casting, weakness develops and the formwork shows settlement, deflection or distortion, stop the work, remove improperly cast concrete, and reconstruct the formwork to perform properly. 07/06 03300 -8 05 -5564