- 968 - SECTION 1077 -- PAINTS AND PROTECTIVE COATINGS
1077.01 Description
1.The paint color shall be as specified in the contract.
1077.02 Material Characteristics
1.All paints except the 2-compone nt top coats and primers shall be furnished mixed and ready to use. When applied by approved methods, they shall show good covering and leveling qualities without running, sagging, streaking, or pigment floating.
2.Mixed paints, pastes, and paint components shall be of a smooth and uniform consistency and show no evidence of caking, thickening, livering, hardening, or ot her deleterious properties. They shall be free from skins and other foreign material. All mixed paints and paint components shall be capable of being broken up with a paddle and mixed to a smooth, uniform consistency. They shall not curdle, gel, or show any other objectionable properties.
3.When it is specified that the paint shall be tint ed, the tinting material shall be thoroughly and uniformly incorporated with the paint to form a uniform and even shade.
4.All paints shall be air-drying and shall dry to a smooth finish, free from grit, seeds, or other surface impe rfections. They shall not show undue change in sunlight or show appreciabl e discoloration with age. The dry-film shall show satisfactory adhesion to the metal surface and satisfactory intercoat and system adhesion.
5.All paints shall be packed for shipment in strong substantial containers. Two-component top coat and primer components shall be packaged separately or in double-com partment containers. The lids of the containers shall be of such design that they will exclude air and withstand considerable handling without becoming dislodged. Each container shall be plainly labeled. The label shall show the name of the manufacturer, the type of material, the date of manufacture, and instructions for use.
6.The Department reserves the right to sample all shipments of paint and to withhold acceptance of the paint until an analysis shows the paint meets the specified requireme nts. Paint material or paint systems that do not meet the specified requ irements shall be rejected.
7.The paints and paint material shall be tested as necessary.
1077.03 Acceptance Requirements
1.The paint materials and paint systems authorized for use shall be on the Department’s Appr oved Products List. - 969 - SECTION 1078 -- RECYCLED ASP HALT SHINGLES FOR USE IN ASPHALTIC CONCRETE
1078.01 Description
1.Recycled Asphalt Shingles (RAS) may be used in Asphaltic Concrete. The maximum allowable (by weight) will be 10% on shoulders and 5% on mainline.
1078.02 Material Characteristics
1.All RAS shall consist of organic felt shingles or fiberglass shingles, obtained from a shingle manufacturing fa cility or tear offs. Scrap shingles shall not contain any objectionable materials (less than 1.5% by weight), including but not limited to: road tar, metal, glass, wood, plastic, brick, rubber, fabric, or any other material having similar characteristics. The RAS shall not contain harmful quantitie s of asbestos in accordance with guidelines provided by the Environmental Protection Agency and shall conform to all state and local regulations.
2.All RAS material shall be sized so that 100% (by weight) of the material passes through a 1/2 sieve, and at least 95% shall pass through a 3/8 inch sieve.
3.Before mix design approval, the following shall be submitted, along with materials and paper work for the mix design.
a.Certification by the processor of the shingle scrap, as to the shingle scraps content and source. Certif ication forms are available from the Department.
b.A 5 lb. sample of the shingle scrap material for review.
1078.03 Construction Requirements
1.RAS shall be stockpiled separate, from other salvaged material. Blending of scrap material in a stockpile with other salvage material is prohibited.
2.Scrap shingles shall be introduced into the hot mix asphalt, at the asphalt mixing plant, at the same point where Recycled Asphalt Pavement (RAP) is introduced.
3.Asphaltic Concrete containing RAS, regardless of RAP content, shall have a minimum of 55% virgin PG Binder for tear off shingles, and a minimum of 40% virgin PG Binder when using manufacturer waste shingles.
1078.04 Basis of Payment
1.The RAS material will be eligible for the RAP Incentive at a rate of 50% as specified elsewhere in the specifications.
Source: Nebraska Standard Specifications for Highway Construction, 2017 Edition. Pages 1002–1002 of 1,048.