Specifications - Laserfiche WebLink

Home Browse Search

I. Form columns using four -piece MDO plywood at exterior or PS -1 plywood at interior column which leave no impression or joints in the hardened concrete. ' 3.04 CONSTRUCTION OF FORMS: A. Use V- groove and rustication strip in forms or as indicated. Place drip forms as indicated. B. Where form ties and rustication joints occur together in concrete work, lay out the rustication strips as indicated and lay out form tie rows to fall within rusticated joints wherever possible. C. At construction joints, place a rustication strip at the exposed edge of the joint at the plane in which concrete placement is stopped. D. When placing or reworking formwork at construction joint prior to the next casting, place a rustication strip in the previously formed joint, lap the outer form 1/2 inch to 1-1/2 inches over previously formed surface, and seal both strip and form against mortar leakage or intrusion. E. Anchor formwork to shores and other supporting surfaces or members in such a way that upward or lateral movement of any part of the formwork during concrete placement and consolidation is prevented. F. Support runways for moving equipment on structural members, shoring or walers. 07/06 03300 -11 05 -5564 E. Place bevel or chamfer strip on external corners of concrete. Do not bevel internal corners of concrete unless otherwise indicated. F. Camber formwork to compensate for anticipated deflections prior to hardening of the concrete so as to maintain specified dimension tolerances. G. Securely brace forms against lateral deflection and settlement. Provide positive means of adjustment of shores struts and walers, by means of ' jacks, wedges and adjustable ties so that deflection and settlement can be adjusted during concrete placement. H. If indicated, provide ties spaced equally vertical and horizontal at walls and columns. Center tie layout both vertically and horizontally within structural bays or bays formed by expansion joints or rustication joints. Form columns using external form clamps, without use of ties. I. Form columns using four -piece MDO plywood at exterior or PS -1 plywood at interior column which leave no impression or joints in the hardened concrete. ' 3.04 CONSTRUCTION OF FORMS: A. Use V- groove and rustication strip in forms or as indicated. Place drip forms as indicated. B. Where form ties and rustication joints occur together in concrete work, lay out the rustication strips as indicated and lay out form tie rows to fall within rusticated joints wherever possible. C. At construction joints, place a rustication strip at the exposed edge of the joint at the plane in which concrete placement is stopped. D. When placing or reworking formwork at construction joint prior to the next casting, place a rustication strip in the previously formed joint, lap the outer form 1/2 inch to 1-1/2 inches over previously formed surface, and seal both strip and form against mortar leakage or intrusion. E. Anchor formwork to shores and other supporting surfaces or members in such a way that upward or lateral movement of any part of the formwork during concrete placement and consolidation is prevented. F. Support runways for moving equipment on structural members, shoring or walers. 07/06 03300 -11 05 -5564