The Contractor shall saw longitudinal joints in base courses wider than 16 feet, according to the Standard 420001, except that uncoated steel tie bars may be used instead of epoxy coated tie bars. These joints shall not be sealed. The Contractor shall saw transverse joints in the base course at 20’ centers according to the detail for Sawed Construction Joints in Standard 420001, except that dowel bars are not required. These joints shall not be sealed. All work as listed including tie bars, sawed joints and all other required materials shall be included in the contract unit price per Square Yard for TEMPORARY PAVEMENT. The base course and sub-base shall be removed after the final stage is completed. Removal shall be paid for separately at the contract unit price per Square Yard for TEMPORARY PAVEMENT REMOVAL. (No. 27) (Code #X5015225) NOTE: Use when entrance are concrete, clay or metal pipes with concrete headwalls. PIPE CULVERT REMOVAL Effective: January 5, 2011 This work shall consist of the removal and satisfactory disposal of existing culverts at locations shown in the plans. These culverts may be concrete or clay, with or without concrete headwalls, or metal pipes with concrete headwalls. Removal of metal pipes without headwalls will not be paid for, but shall be removed as specified in the General Notes. If materials resulting from the removal of the concrete culverts and headwalls are to be used in the embankment, they shall conform to, and be placed and compacted according to Section 205 of the Standard Specifications. All corrugated metal pipe culverts in condition for re-use shall be cleaned and stored along the right-of-way. Any re-usable pipe damaged by the Contractor shall be replaced by him at his expense. All unusable material shall be disposed of at no additional cost to the Department. All costs incurred in conforming with this special provision shall be included in the contract unit price per Foot for PIPE CULVERT REMOVAL (SPECIAL). (No. 28) (Code #X8410102) TEMPORARY LIGHTING SYSTEM Effective: July 30, 2001 Revised: Description: This work consist of providing, installing, maintaining, and removing temporary roadway lighting at the location shown on the plans. The system shall consist of all items necessary to illuminate the median cross-over utilized for maintenance of traffic during construction.
“(c) Gradation. The fine aggregate gradation for all HMA be FA 1, FA 2, FA 20, or FA 21. For mixture IL-9.5FG, the fine aggregate fraction shall consist of at least 67 percent manufactured sand meeting FA 20 gradation. The manufactured sand shall be stone sand, slag sand, steel slag sand, or combinations thereof.” Mixture Design. Add the following to the table in Article 1030.04(a)(1): “High ESAL, MIXTURE COMPOSITION (% PASSING) 1/ Size IL-9.5FG min max 1 1/2 in (37.5 mm) 1 in. (25 mm) 3/4 in. (19 mm) 1/2 in. (12.5 mm) 100 3/8 in. (9.5 mm) 90 100 #4 (4.75 mm) 604/ 754/ #8 (2.36 mm) 454/ 604/ #16 (1.18 mm) 25 40 #30 (600 m) 15 30 #50 (300 m) 8 15 #100 (150 m) 6 10 #200 (75 m) 4 6.5 Ratio Dust/Asphalt Binder 1.0 4/ When used as binder placed less than 1 in. (25 mm) thick, the min and max percent passing shall each be increased 5%. Revise the table in Article 1030.04(b)(1) of the Standard Specifications to read: “VOLUMETRIC REQUIREMENTS High ESAL Voids in the Mineral Aggregate (VMA), % minimum Voids Filled with Asphalt Binder (VFA), % IL-9.5 50 12.0 13.0 14.0 15 1/ 65 - 78 70 65 - 75 2/ 90 105 1/ The VMA for IL-9.5FG shall be a minimum of 15.0 percent. 2/ The VFA range for IL-9.5FG shall be 65 - 78 percent.”