ORBIT FLOOR INC
AVENTURA, FLORIDA

2.1. Comply with applicable provisions of Sections setting forth Product Requirements 2.1.1. Provide submittal information within 30 days after Contractor has received Owner’s Notice to Proceed. 2.2. Product Data 2.3.2. Product data for concrete materials admixtures. 3.1.2. Use an experienced and approved ACI-certified Placement/Flatwork Technician and Finisher. The flat work/floor slab sub-contractor will provide up to 5 projects where the finished floor was used for decorative, polished concrete purposes. The owner reserves the right to disqualify any sub- contractor that they believe does not possess the skills necessary to place and finish the flat work concrete. 3.1.3. Provide a letter of certification from concrete finishing and grinding equipment manufacturer stating installer is a certified applicator of approved material and their machines and equipment is capable of complying with the specified Surface Texture Grades (STG) and conforms to proper performance of work in this section. 3.1.8. Insure that the design water content is not exceeded. Inspection agency will provide batch plant inspection for the first slab pour. The batch plant inspector will determine the actual amount of water in the truck including the moisture content of the fine aggregate. This information will be forwarded to the job site inspector. Ready Mix Company should also include the total water added at the plant on their ticket. Trim water added on site shall also be data provided to the testing agency by the ready mix producer. Samples shall be taken at a frequency of 1 per 200 cubic yards or each day of production of interior slab concrete, whichever is less for the purpose of shrinkage testing. Each sample shall be tested for shrinkage in accordance with ASTM C157, except that the initial curing period shall be 7 days. 4.0 PRODUCTS 4.1.1. Smooth-Formed Finished Concrete: Form-facing panels that will provide continuous, true, and smooth concrete surfaces. Furnish in largest practicable sizes to minimize number of joints. 4.1.2. Plywood, metal or other approved panel materials. Finish in largest practicable sizes to minimize number of joints and to conform to joint system shown on drawings. Provide form material with sufficient thickness to withstand pressure of newly-placed concrete without bow or deflection. 4.1.6. Provide for openings, offsets, sinkage, keyways, recesses, moldings, rustications, reglets, chamfers, blocking, screeds, bulkheads, anchorage and inserts and other features required in work. Use selected materials to obtain required finishes. Solidly butt joints and provide back-up joints to prevent leakage of cement paste. Unless otherwise indicated, provide ties to portion remaining within concrete after removal is at least 11⁄2” inside concrete. Unless otherwise shown, provide form ties which will not leave holes larger than 1” diameter in concrete surface. 4.1.9. Provisions for other trades: Provide openings in concrete formwork to accommodate work of other trades. Determine size and location of openings, recesses and chases from trades providing such items. Accurately place and securely support items built into forms. 4.2.3. Supports or reinforcement: Provide supports for reinforcement including bolsters, chairs, spacers and other devices for spacing, supporting and fastening reinforcing bars in place. ASTM C 33, Class 3S crushed coarse aggregate or better, graded. Provide aggregates from a single source. 4.5.1. Chemical Admixtures: Provide admixtures certified by manufacturer to be compatible with other admixtures and that will not contribute water-soluble chloride ions exceeding those permitted in hardened concrete. Do not use calcium chloride or admixtures containing calcium chloride. 4.6.2. Available Products: 5.0 READY MIX CONCRETE PRODUCTION 5.1. Quality Control Plan 5.1.3. The Quality Control Plan submitted must detail specifically how frozen sand/coarse aggregate will be avoided in stockpile handling and production. 7.1.2. Available Products: i. CRMXTM Finishing Aid, by GMI www.gmiengineeredproducts.com 8.1. Formwork Engineered Products,1-855-755-2200 8.1.4. Set edge forms, bulkheads, and intermediate screed strips for slabs to achieve required elevations and slopes in finished concrete surfaces. Provide and secure units to support screed strips, use strike- off templates or compacting-type screeds. 8.1.6. Build-in sleeves, anchors, inserts, bolts and other devices indicated or required. Provide sleeves 2- inches larger in diameter than piping to be sleeved, unless otherwise indicated. 8.5.4. Deposit concrete continuously or in layers of such thickness that no new concrete will be placed on concrete that has hardened enough to cause seams or planes of weakness. If a section cannot be placed continuously, provide construction joints as specified. Deposit concrete to avoid segregation. Maintain concrete temperature below 90 deg F at time of placement. Chilled mixing water or chopped ice may be used to control temperature, provided water equivalent of ice is calculated to total amount of mixing water. Using liquid nitrogen to cool concrete is Contractor’s option. debonding issues. Final CRMXTM Finishing Aid application rate shall be no less than 500 square feet per gallon. No more than 10% of product should be left over after final application. provided to the Owners’ Representative within 5 working days of the sales floor placement. Secure production samples of materials at plant stockpiles during the course of the work and test for compliance with the Specifications. 11.1.13. Owner may hire an independent inspection company to observe the placement and finishing of the floor slab construction. 13.1.2. Products to be used during the mock-up process: 14.1.1. Submit product data for polishing equipment prior to beginning polishing operations. Equipment utilized must be in good operational condition and working order during the project. Any equipment that requires more than a minor repair taking longer than 1 hour will need to be removed from the job site and replaced with an equally size unit in good working order. For any reason the contractor