Site work and paving for a mixed-use development in Niskayuna, New York. Completed plans call for site work for a road / highway; for paving for a road / highway; sidewalk / parking lot; and 132,396-square-foot sidewalk / parking lot.

Reference Number 0000344688 Asphalt and Milling Specifications: Two and one-half (2 1/2) inch mill and full preparations (including tack coat). Furnish and install two and one-half (2 1/2) inch top course of NYSDOT Type 6 Top. Stripe pavement and paint letters, arrows, traffic markings and handicap stalls will be completed by the Niskayuna School District, no pricing required by vendor. Asphalt Milling, Tack Coat and Paving at the following properties in the Niskayuna Central School District: Birchwood Elementary, Craig Elementary, Glencliff Elementary, Hillside Elementary, Rosendale Elementary, Van Antwerp Middle School, Niskayuna High School and NCSD Transportation Department. Please refer to Bid Packet for exact locations and maps. The Niskayuna Central School District is seeking to establish a contract with a contractor for Milling and Paving for an estimated 132,396 square feet in total at the following locations: *Birchwood Elementary School, 897 Birchwood Lane, Niskayuna, NY 12309 *Craig Elementary School, 2566 Balltown Road, Niskayuna, NY 12309 * Glencliff Elementary School, 961 Riverview Road, Rexford, NY 12148 * Hillside Elementary School, 1100 Cornelius Avenue, Niskayuna, NY 12309 * Rosendale Elementary School, 2445 Rosendale Road, Niskayuna, NY 12309 * Van Antwerp Middle School, 2253 Story Avenue, Niskayuna, NY 12309 * Niskayuna High School, 1626 Balltown Road, Niskayuna, NY 12309 * Transportation Department, 1301 Hillside Avenue, Niskayuna, NY 12309 Question Acceptance Deadline 03/13/2024 02:00 PM EDT Questions are submitted online Yes General Requirements - Insurance Required Work to be completed as soon as possible after July 1, 2024 (and by September 1, 2024 under any circumstance). Combined Locations (Total): 132,396 Sq. Ft. Milling Execution: Clean existing pavement surface of loose and deleterious material immediately before cold milling. Remove existing asphalt pavement by cold milling to grades and cross sections indicated. 1. Mill to a depth of (2 1/2"). 2. Mill to a uniform finished surface free of excessive gouges, grooves, and ridges. 3. Control rate of milling to prevent tearing of existing asphalt course. 4. Repair or replace curbs, manholes, and other construction damaged during cold milling. 5. Excavate and trim unbound-aggregate base course, if encountered, and keep material separate from milled hot-mix asphalt 6. Patch surface depressions deeper than 1/2 inch after milling, before wearing course is laid. 7. Dispose of milled asphalt material off-site. 8. Keep milled pavement surface free of loose material and dust. 9. Do not allow milled materials to accumulate on-site. Tack Coat Execution: Apply in accordance with NYSDOT Standard Specifications to contact surfaces of previously constructed asphalt, newly constructed asphalt or Portland cement concrete, surfaces abutting or projecting into hot-mixed asphalt pavement, and milled surfaces. Distribute at rate according to Table 407-1 of the NYSDOT Standard Specifications. 1. Tack coat shall only be applied on prepared clean pavement. 2. Shall be uniformly applied. 3. Avoid smearing or staining adjoining surfaces, appurtenances, and surroundings. Remove spillages and clean affected surfaces. 4. Paving over tack coat shall not commence until the emulsion has broken (turned from brown to black) and is tacky when touched. 5. Diluted Tack Coat shall be used for conventional asphalt pavements and is to be applied between all lifts of asphalt courses. Diluted tack coat is to be applied on top of milled pavement surfaces and on top of concrete base. 6. Straight Tack Coat shall be used for conventional pavement overlay, only if existing pavement is not milled. Straight tack shall also be used on slopes exceeding 5%. 7. Allow tack coat to cure undisturbed before applying hot-mix asphalt paving. Overlay Execution: A. Clean, seal, and fill joints and cracks in the existing pavement prior to the application of new hot mix asphalt in accordance with NYSDOT Standard Specification Section 633. B. Fill any depressions and wheel path ruts prior to paving as specified in accordance with NYSDOT Standard Specification Section 402-3.05. C. Mill transitions. Placing Mix: Machine place hot-mix asphalt on prepared surface, spread uniformly, and strike off. Place asphalt mix by hand in areas inaccessible to equipment in a manner that prevents segregation of mix. Place each course to required grade, cross section, and thickness when compacted. 1. Place hot-mix asphalt base course in number of lifts and thicknesses indicated. 2. Spread mix at a minimum temperature of 250 deg F. 3. Begin applying mix along centerline of crown for crowned sections and on high side of one- way slopes unless otherwise indicated. 4. Regulate paver machine speed to obtain smooth, continuous surface free of pulls and tears in asphalt-paving mat. The sole point of contact at the District for purposes of this RFB prior to the award of a contract is the Purchasing Agent. All contact relative to this RFB should be made in writing and directed to: Michael DeSantis, Purchasing Agent Niskayuna Central School District 1239 Van Antwerp Road Niskayuna, New York 12309 518-377-4666 x50701 purchasing@niskyschools.org