2014 Capital Project Phase 3 Grand Island Central School District Cannon Design Project No SECTION PAVING PART 1 - GENERAL

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1 SECTION PAVING PART 1 - GENERAL 1.1 RELATED DOCUMENTS A. The Contractor for this work shall be held to have read all of the Bidding Requirements, the Proposal Forms, the General Conditions of the Contract, the Supplementary General Conditions and Division 01, and in the execution of the work, he will be bound by all of the conditions and requirements therein. 1.2 RELATED WORK SPECIFIED ELSEWHERE A. Excavation, Site Fill and Rough Grading: Section SUBMITTALS A. Samples: 1. Sub-Base Course Material (if requested). B. Product Data: 1. Bituminous Materials 2. Concrete Materials 3. Pavement Sealer 4. Asphalt Pavement Marking Paint 5. Geosynthetic Fabric 6. Line Marking Paint 1.4 STANDARDS A. American Concrete Institute: 1. ACI Specifications for Structural Concrete. 2. ACI Guide to Cast-in-Place Architectural Concrete Practice. 3. ACI Standard Specification for Curing Concrete. 4. ACI Building Code Requirements for Structural Concrete. B. ASTM International: 1. ASTM C150 - Standard Specification for Portland Cement. PAVING

2 PART 2 - PRODUCTS 2.1 BITUMINOUS PAVING MATERIALS A. Sub-Base Course: 1. Conform to NYSDOT Section Type 2, NYSDOT Item No Material shall be crushed stone or gravel. Slag or recycled concrete will not be accepted percent passing 2-inch sieve, percent passing 1\4 inch sieve, 5-40 percent passing No. 40 sieve, 0-10 percent passing No. 200 sieve. B. Asphalt Pavement: 1. Binder: NYSDOT Section Type 3 Binder, NYSDOT Item No Topping: NYSDOT Section Type 7 Top, NYSDOT Item No C. Tack Coat: NYSDOT Asphalt Emulsion (HFMS-2h) D. Bituminous Pavement Sealer: a. Sealtight Driveway Sealer by W. R. Meadows, Inc. b. Playtime Pavement Sealer by Playtime U.S.A., Inc. c. Jennite J-16 by Maintenance, Inc. a. A coal tar emulsion material specifically formulated to seal asphalt concrete pavement. b. Add four pounds of sand per gallon of undiluted pavement sealer and mix to a uniform consistency. c. Sand: Clean, hard, and durable free from clay, salt and organic matter, and well graded within the following limits: U.S. Sieve Total % Passing No % No to 100% No to 90% No to 60% No to 5% d. Dilute sealer with potable water in accordance with the manufacturer's recommendations. E. Edge Restraints: Use PVC edge restraints per paver manufacturer s specifications 2.2 CONCRETE PAVEMENT AND CURB MATERIALS A. Sub-Base Course: 1. Conform to NYSDOT Type 2, NYSDOT Item No Material shall be stone or gravel. Slag or recycled concrete will not be accepted. PAVING

3 percent passing 2-inch sieve, percent passing 1/4 inch sieve, 5-40 percent passing No. 40 sieve, 0-10 percent passing No. 200 sieve. B. Concrete: NYSDOT Class A, days. C. Reinforcement: 1. Welded wire fabric ASTM A-185, sizes as indicated. 2. Supply in flat sheets. D. Expansion Joint Filler: a. Fibre Expansion Joint by W. R. Meadows, Inc. b. Flexcell by The Celotex Corp. a. Fiber expansion joint, ASTM D1751. b. ½" thick, unless otherwise indicated. E. Expansion Board and Cap & Pull Off Top: 1. Greenstreak Removable Top-Expansion Joint Cap #941, # Vinylex Corp. Removable Cap Strip VP 1391, VP F. Expansion Joint Sealant: a. Pourthane by W. R. Meadows, Inc. b. THC-900 by Tremco Manufacturing Co. a. Two-component polyurethane sealant, self-leveling. b. ASTM TT-S-00227E or TT-S-00230C Type 1, Class A. G. Concrete Curb Expansion Joint Sealant: a. Dymeric by Tremco Manufacturing Company. b. Sonolastic NP II by Sonneborn Building Products. a. Multi-component sealant. b. Federal Specification TT-S-00227E, Type II, Class A. PAVING

4 H. Expansion Joint Backer Rod: a. Sonofoam by Sonneborn Building Products. b. Ethafoam by Dow Chemical Company. c. Sealtight backer rod by W. R. Meadows, Inc. 2. Size: To allow 30% compression when inserted in joint. I. Concrete Surface Retarder (For Exposed Aggregate Concrete) a. Grace Top-Cast, No. Code 25 (1/8 inch-1/4 inch) b. Or approved equal J. Exposed Aggregate: Selected, hard, and durable; washed; free of materials with deleterious reactivity to cement or that cause staining; from a single source, with gap-graded coarse aggregate as follows: NYSDOT Item #1 Crushed Gravel. 2.3 ASPHALT PAVEMENT MARKING PAINT A. Acceptable Products: 1. Traffic marking paint by Sherwin Williams. 2. Traffic paint by Pratt & Lambert, Inc. 3. Hi-High plexicolor line paint by California Products Corp. B. Color: Yellow 2.4 ASPHALT TOP COURSE A. NYSDOT Section 403-1, Item No Type ASPHALT BINDER COURSE A. NYSDOT Section 403-1, Item No Type 3 PART 3 - EXECUTION 3.1 SUBGRADE PREPARATION UNDER PAVEMENT A. Fine grade and proof roll all areas in accordance with NYSDOT Specifications PAVING

5 3.2 BITUMINOUS PAVING A. All Courses: 1. Roll each course with 10-ton roller or equivalent. 2. Commence rolling along lower edge and continue until edge is thoroughly compacted, after which gradually advance to the crown. 3. Continue rolling until the layer has become thoroughly compacted and is true to grade and cross section. B. Sub-Base Course: 1. Place on dry subgrade over stabilization fabric, in maximum lifts of 4". 2. Remove subgrade material, which becomes mixed with base course and reconstruct. 3. Minimum Compaction: 95% of maximum density. 4. Grade Tolerance: Plus or minus 3/8" from indicated grades. C. Asphalt Top & Binder Course: 1. Do not install asphalt paving over wet base course or if ambient temperature is below 50 degrees F. 2. Place in two courses to compacted thickness as detailed. 3. Where pavement abuts curbs, concrete walks, or existing pavement, apply a liberal application of tack coat material. 4. Check with 10' straight edge and correct all depressions and high areas greater than 1/4". 5. Form or cut all pavement edges to clean, sharp lines or radius, as indicated. 6. Compaction for wearing course shall be minimum of 92% of laboratory specimen density. 7. Grade tolerance: D. Pavement Sealer: a. All pavement: ±3/8" from indicated grades. 1. Apply pavement sealer to all new asphalt pavement. 2. Allow pavement to weather a minimum of four weeks prior to sealing. 3. Clean surface of dirt and other foreign matter. 4. Apply two coats of sealer uniformly at a minimum total coverage of 0.18 gallons per square yard per coat. 5. Allow a minimum of 24 hours for curing prior to checking sealed pavement for usage. 3.3 CONCRETE PAVING - SIDEWALKS AND SLABS A. Sub-Base Course: 1. Place on dry subgrade and compact with a 10-ton roller or equivalent. Continue rolling until course is thoroughly compacted and true to grade and cross section. 2. Remove subgrade material, which becomes mixed with base course and reconstruct. 3. Minimum Compaction: 95% of maximum density. 4. Grade Tolerance: Plus or minus 1/4" from indicated grades. B. Concrete Reinforcement: 1. 6 x 6 - W1.4 x W1.4 unless other size is indicated. 2. Top of slab to reinforcement: 1/3 slab depth. PAVING

6 C. Concrete: 1. Place, cure and protect in accordance with NYSDOT Section Finish: Screed to grade, wood float and give a fine broom finish at walks and coarse broom finish at ramps and landings. 3. Pattern carefully lay out form work and joints, considering pattern, aesthetics & construction sequence. Color hardener-apply 60lbs per 100 SQFT, evenly in 2 passes, dry-shake method. Wood float after each. (No metal float). Imprint pattern to manufactures recommendations. Place control joints to coincide with pattern. D. Expansion Joints: 1. Install expansion joint filler: a. Where concrete walks abut building foundations, perpendicular curbs, steps or concrete structures. b. Across walks at maximum intervals of 25 linear feet. c. Other locations indicated on the drawings. 2. Remove perforated strip-off cap from premolded joint filler. 3. Apply manufacturer's recommended primer and fill joint with expansion joint sealant. E. Scored Joints: 1. Use tool which produces a "V" joint ½" depth and not over ¼" wide. 2. Locate joints across walks at intervals of 5'-0", unless otherwise indicated. 3. Walks wider than 5 feet: Provide 5'-0" square pattern, unless otherwise indicated. 3.4 CONCRETE CURBS A. Reinforcement: One No. 5 bar top and bottom, except provide slip joint at expansion joints. If machine-placed slip-formed curb, re-bars not required. B. Concrete: 1. Place, cure and protect in accordance with NYSDOT Section Uniform smooth finish on all exposed surfaces. END OF SECTION PAVING