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a i y i Pry hrm Pay Unit - Roadmix Bilumin—,,aurface Aggregate. } Liquid Asphalt(grade) _ �^ Tan or Cubic Yard Ton SECTION 4D$ { Mixing Raadmix Bituminous Surface(width) Mite Roadmixing MiXcliancous'Arcas(type)_ —Square.Yard Roadmix Bituminous Shoulder Dikes.. _Linear Foot TACK COAT Premixed Bituminous Paving Malcrial _._„„,`- Tun,Square Yard,Cubit Haul and Place Premixed Bituminous Paving Material—TonYSquareoYard.Cubic DLSCRII r10N Yard,Force Account 405,01.01: General. This work shall consist of preparing and treating an existing bituminous or concrete surface-with bituminous material in accord- ance with these specifications and in reasonably close conformity with the lines shown on the plans or established by the Engineer. I MATERIALS '• 405.02.01 Bituminous Material. Bituminous material: for the tack coat shall be"Emulsified Asphalt, Type SS—lh(Diluted);"however,the Contrac- tor may,at his option,substitute"Emulsified Asphalt,Type SS-1 (Diluted)" for "Emulsified Asphalt, Type 5s—(h (Diluted):' Regardless of the option a� chosen,bituminous material for the tack coat shall be measured and paid for under the bid item and at the contract unit price bid per ton for "Emulsified Asphalt, Type SS—lh (Diluted)" and no further compensation shall be allowed therefor. The bituminous material shalt meet the applicable requirements of Section 703, "Bituminous Materials."The bituminous material may be conditionally accepted at the source. Asphaltic emulsion used as a tack coat between the courses of plantmix surface or over an existing surface shall 6e-of the type and grade specified and prepared for application as follows: The emulsion shall be cut b...k by water, \Vater shall be added in the quantity of forl_v (40)percent of the emulsion by weight. To accomplish this mixing, the distributor shall be partly filled with water, and the correct proportion of emulsified asphalt shall then be added,and the remaining water to be added shall be sprayed into the tank under pressure and then thoroughly circulated within the distributor. CONSTRUCTION 405.03.01 Equipment, The Contractor shall provide equipment for 3. heating and applying the bituminous material. This equipment shall meet the requirements of subsection 404.03.42, "Distributors." 405.03.02 Weather Limi(a(ions. Application of bituminous material will not be permitted when the surface to be treated is damp or wet or when weather conditions arc unsuitable or when the atmospheric temperature or aggregate temperature is below forty (40) degrees Fahrenheit. 405.03.03 Preparation of Surface. The existing surface shall be patched and cleaned and be free of irregularities to provide a reasonably smooth and uniform surface to receive the treatment. The edges of existing 12221 [ 223 1 , i i i I