SECTION 02500 - PART 1 - GENERAL 1.01 RELATED WORK SPECIFIED ELSEWHERE A. Testing Laboratory Services: Section 01411. B. Excavation, Site Fill and Rough Grading: Section 02200. C. Concrete: Section 03310. 1.02 SUBMITTALS A. Samples: 1. Sub-Base Course Material (If requested). B. Product Data: PART 2 - PRODUCTS 1. Pavement Sealer, including application instructions. 2. Expansion Joint Filler. 3. Expansion Joint Sealant. 4. Pavement Marking Paint. 2.01 BITUMINOUS MATERIALS A. Sub-Base Course - Run-Of-Crusher Stone: 1. Conform with NYSDOT Section 304-2.05 Type 2. 2. Material shall be stone or blast furnace slag. (Open hearth slag or sand and gravel will not be accepted.) 3. 100 percent passing 2 inch sieve, 25-60 percent passing 1\4 inch sieve, 5-40 percent passing No. 40 sieve, 0-10 percent passing No. 200 sieve. B. Asphalt Top Course - Vehicular: 1. Binder: NYSDOT Section 403-1 Binder Type 3 (Item 403.13). 2. Topping: NYSDOT Section 403-1 Type 7 Top (Item 403.18). 02500-1
C. Tack Coat: NYSDOT Asphalt Emulsion (HFMS-2h) 702-3401. D. Bituminous Pavement Sealer: 1. Acceptable Products: 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. 2. Material: 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. 16... 100% No. 20... 80 to 100% No. 30... 50 to 90% No. 50... 20 to 60% No. 100... 0 to 5% d. Dilute sealer with potable water in accordance with the manufacturer's recommendations. 2.02 CONCRETE PAVEMENT AND CURB MATERIALS A. Sub-Base Course - Run-Of Crusher Stone: 1. Conform with NYSDOT 304-2.05 Type 2. 2. Material shall be stone or blast furnace slag. (Open hearth slag or sand and gravel will not be accepted.) 3. 100 percent passing 2 inch sieve, 25-60 percent passing 1/4 inch sieve, 5-40 percent passing No. 40 sieve, 0-10 percent passing No. 200 sieve. 02500-2
B. Concrete: Class A, 4000 psi (Refer to Section 03310) C. Reinforcement: (As specified in Section 03310) D. Expansion Joint Filler: 1. Material: a. Fiber expansion joint, ASTM D1751. b. 1/2" thick, unless otherwise indicated. 2. Acceptable Products: a. Fibre Expansion Joint by W. R. Meadows, Inc. b. Flexcell by The Celotex Corp. c. Accepted equal E. Expansion Board and Cap & Pull Off Top: 1. Greenstreak Removable Top-Expansion Joint Cap #941, #942. 2. Vinylex Corp. Removable Cap Strip Vp 1391, VP 1393. 3. Accepted equal. F. Doweled Joint Material: 1. 3/4" x 1'-4" smooth dowels with dowel caps equivalent to No. 87 by Heckman Building Products, Inc. 2. Grease end of dowel prior to installing cap. G. Expansion Joint Sealant: 1. Material: a. Two component Polyurethane Sealant, self-leveling. b. ASTM TT-S-00227E or TT-S-00230C Type 1, Class A. 02500-3
2. Acceptable Products: a. Pourthane by W. R. Meadows, Inc. b. THC-900 by Tremco Manufacturing Company. c. Accepted equal. H. Concrete Curb Expansion Joint Sealant: 1. Material: a. Multi-Component Urethane Sealant. b. Federal Specification TT-S-00227E, Type II, Class A. 2. Acceptable Products: a. Dymeric by Tremco Manufacturing Company. b. Sonolastic NP II by Sonneborn Building Products. I. Expansion Joint Backer Rod: 1. Acceptable Products: a. Sonoforam by Sonneborn Building Products. b. Ethafoam by Dow Chemical Company. c. Sealtight Backer Rod by W. R. Meadows, Inc. d. Accepted equal. 2. Size: To allow 30% compression when inserted in joint. 2.03 PAVEMENT MARKING PAINT A. Acceptable Products: 1. Traffic Marking Paint by Sherwin Williams. 2. Hi-High Plexicolor Line Paint by California Products Corp. B. Color: White, Yellow, Blue 02500-4
PART 3 - EXECUTION 3.01 SUBGRADE PREPARATION UNDER PAVEMENT Fine grade and proof roll all areas in accordance with NYSDOT Specifications 203-3.14. 3.02 BITUMINOUS 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 in maximum lifts of 6". 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 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. 02500-5
3.03 PAVEMENT SEALER A. Allow pavement to weather a minimum of four weeks prior to sealing. B. Clean surface of dirt and other foreign matter. C. Apply two coats of sealer uniformly at a minimum total coverage of 0.18 gallons per square yard per coat. D. Required for all parking areas and lots. (Not on roadways) E. Allow a minimum of 24 hours for curing prior to checking sealed pavement for vehicle usage. 3.04 PAVEMENT MARKING A. Apply one coat of pavement marking paint where indicated. B. Apply by brush or zone marking equipment. 3.05 CONCRETE - VEHICULAR A. Sub-Base Course: 1. Place on dry subgrade in maximum lifts of 6" and compact with a 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. 4. Remove subgrade material, which becomes mixed with base course and reconstruct. 5. Minimum Compaction: 95% of maximum density. 6. Grade Tolerance: Plus or minus 3/8" from indicated grades. B. Concrete Reinforcement: 1. 6 x 6 - W2.9 x W2.9 unless other size is indicated. 2. Top of slab to reinforcement: 1/3 slab depth. 3. Place reinforcement in accordance with Section 03310. 02500-6
C. Concrete: 1. Place, cure and protect in accordance with Section 03310. 2. Finish: Screed to grade, wood float and give a final fine broom finish. Edge all sides. D. Expansion Joints: 1. Install expansion joint filler where concrete pavement abuts building foundations, steps, other concrete structures and elsewhere where indicated. 2. Remove perforated cap from premold filler. 3. Install backer rod to uniform depth to allow application of sealant to depth recommended by the manufacturer for indicated joint width. 4. Apply manufacturers recommended primer and fill joint with expansion joint sealant. E. Dowelled Expansion Joint: After concrete has cured, remove strip from premolded joint filler and fill joint with sealant flush with concrete. 3.06 CONCRETE - SIDEWALKS 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. 02500-7
3. Place reinforcement in accordance with Section 03310. C. Concrete: 1. Place, cure and protect in accordance with Section 03310. 2. Finish: Screed to grade, wood float and give a fine broom finish. 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 30 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: 3.07 CONCRETE CURBS 1. Use tool, which produces a "V" joint 1/2" depth and not over 1/4" 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. A. Reinforcement: One No. 5 bar top and bottom, except provide smooth doweled slip joint at expansion joints. B. Concrete: 1. Place, cure and protect in accordance with Section 03310. 2. Uniform smooth finish on all exposed surfaces. 02500-8
C. Expansion Joints: 1. Construct expansion joints at maximum intervals of 30 feet and at beginning and end of radius. 2. Install expansion joint filler to within approximately 3/4" of surface of concrete. 3. Install backer rod to uniform depth to allow application of sealant to depth recommended by the manufacturer for indicated joint width. 4. Apply primer, if recommended by the manufacturer, and fill joint with concrete curb expansion joint sealant. Tool slightly concave. END OF SECTION 02500 02500-9