311In the event that an accept ance sample is not availabl e to represent a sublot, all

401.10 General Equipment for HMA operations shall be in accordance with 409. The Contractor

shall submit to the Engineer written documentation that includes the manufacturer’s make, model, serial number, manufactured year, and the manufacturer’s literature with 330 pictures. The documentation shall be submitted prior to use and shall certify that the paving equipment proposed for the project is new and includes the modifications or has been modified in acco rdance with the following. The paver shall be equipped with means of preventing the segregation of the coarse aggregate particles when moving the mixture from the paver hopper to the paver augers. The means and methods used shall be in accordance with the paver manufacturer’s instructions and may consist of chain curtains, deflector plates, or other such devices, or any combination of these. The following specific requirements shall also apply to identified HMA pavers: 1. Blaw-Knox HMA pavers shall be equipped with the Blaw- Knox Materials Management Kit, MMK.

401.11 Preparation of Surfaces to be Overlaid

The subgrade, or subbase shall be shaped to the required grade and sections, free from all ruts, corrugations, or other irregularities, and uniformly compacted and approved in accordance with 207 and 302. Milling of an existing pavement surface shall be in accordance with 306. Surfaces on which a mixture is placed shall be free from objectionable or foreign materials at the time of placement. Rubblized concrete pavements shall be primed in accordance with 405. PCCP, milled asphalt surfaces, and new and existin g asphalt surfaces shall be tacked in accordance with 406. Contact surfaces of curbing, gutters, manholes, and other 380 structures shall be tacked in accordance with 406. All partially completed sections of roadway that are 8 in. or less in thickness shall be proofrolled prior to the placement of additional materials unless otherwise directed by the Engineer. Proofrolling shall be accomp lished in accordance with 203.26. The contact pressure shall be 70 to 80 psi. Soft yielding areas shall be removed and replaced. 401.12 Process Control The Engineer and Contractor will jointly review the operations to ensure 390 compliance with the QCP. Continuous violations of compliance with the QCP will result in suspension of paving operations. 401.11 313 401.13 Weather Limitations HMA courses of less than 138 lb/sq yd shall be placed when the ambient temperature and the temperature of the surf ace on which it is to be placed is 45°F or above. No mixture shall be placed on a frozen subgrade. 401.14 Spreading and Finishing The mixture shall be placed upon an approved surface by means of laydown 400 equipment in accordance with 409.03(c). Prior to paving, both the planned quantity and lay rate shall be adjusted by multiplying by the MAF. When mixture is produced from more than one DMF for a given pay item, the MAF will be applied to the applicable portion of the mixture for each. The temperature of each mixture at the time of spreading shall be less than 315°F whenever PG 64-22 or PG 70-22 binders are used or not more than 325°F whenever PG 76-22 bi nder is used. No mixture shall be placed on a previously paved course that has not cooled to below 175°F. For mixtures compacted in accordance with 402.15, the te mperature of each mixture at the time of spreading shall not be less than 245°F. 410 Planned HMA courses greater than 220 lb /sq yd placed under traffic, shall be brought up even with each adjacent lane at the end of each work day. Planned HMA courses less than or equal to 220 lb/sq yd shall be brought forward concurrently, within practical limits, limiting the work in one lane to not more than one work day of production before moving back to bring forward the adjacent lane. Traffic shall not be allowed on open graded mixtures. Hydraulic extensions on the paver will not be allowed for continuous paving operations. Fixed extensions or extendable screeds shall be used on courses greater than the nominal width of the paver except in areas where the paving width varies. 420 Hydraulic extensions may be used in tapers and added lanes less than 250 ft in length. Automatic slope and grade controls shall be used as outlined in the QCP. HMA mainline and HMA shoulders which are 8 ft or more in width shall be placed with paving equipment in accordance with 409.03(c)1. When laying mixtures with density not controlled by cores, the speed of the paver shall not exceed 50 ft per minute. Rollers shall be operated to avoid shoving of the HMA and at speeds not to exceed 3 mph. However, vibratory rollers will be limited to 430 2.5 mph. The finished thickness of any course shall be at least two times but not more than five times the maximum particle size as shown on the DMF, except 4.75 mm mixtures shall be at least 1.5 times but not more than 3 times the maximum particle size shown on the DMF. A safety edge shall be constructed at lo cations where a dense graded intermediate mixture or a surface mixture is constructed ad jacent to an aggregat e or earth shoulder. 401.14 314 440 Vibratory rollers in accordance with 409.03(d)4 shall not be operated in the vibratory mode at locations indicated on the plans. Oscill atory rollers in accordance with 409.03(d)5 will be allowed for use but the vertical impact force capability shall not be used. Density acceptance sha ll be in accordance with 401.16.

401.15 Joints

Longitudinal joints in the surface shall be at the lane lines of the pavement. Longitudinal joints below the surface shall be offset from previously constructed joints by approximately 6 in. and be located within 12 in. of the lane line. 450 Hot poured joint adhesive in accordance with 906 shall be applied to longitudinal joints constructed between two adjacent HM A courses in the top course of dense graded intermediate mixtures and all 4.75 mm, 9.5 mm, and 12.5 mm surface mixture courses. This includes joints within the traveled way as well as between any of the following: (a) traveled way and an auxiliary lane,

401.16 Density Acceptance will be based on lots and sublots in accordance with 401.07.

Density of the compacted dense graded mixture will be determined from cores except where: (a) the total planned lay rate to be placed over a shoulder existing prior to the contract award is less than 385 lb/sq yd, or

401.17 Pavement Corrugations Pavement corrugations shall be in accordance with 606.

401.18 Pavement Smoothness

Pavement smoothness will be accepted by means of an inertial profiler, a 16 ft 610 straightedge, or a 10 ft straightedge as described below.

401.20 Appeals (a) Dense Graded Mixtures and Open Graded Mixtures 890

If the QC test results do not agree with the acceptance test results in a sublot, a request, along with a comparison of the QC and acceptance test results, may be made in writing for additional testing of that sublot. The appeal sample will be analyzed in 401.20 327 a lab different than the lab th at analyzed the original samp le at the discretion of the Engineer. The Contractor may appeal an individual sublot for the binder content, the MSG, the BSG of the gyratory specimens, or the BSG of the density cores when the QC results are greater than one standard devi ation from the acceptance test results as follows: 0.25 for binder content, 0.010 for the MSG and BSG of the gyratory 900 specimens, and 0.020 for the BSG of the density cores. Upon request from the Contractor, the BSG of the density core may be exempted from the individual sublot appeal if both the QC and QA results show a %MSG for the density greater than or equal to 93.0%. A $500.00 credit adjustment will be include d in a quality adjustment pay item in accordance with 109.05.1(d) for each appeal ed sublot that did not result in an improvement to the SCPF or Lot PF. 910 A written request for an appeal shall be submitted within seven calendar days of receipt of the Department’s written results for the lot accepted under 401.19(a) or the sublot accepted under 401.19(b). The conditions for an extended lot appeal are as follows:

401.21 Method of Measurement

HMA mixtures will be measured by the ton of the type specified, in accordance with 109.01(b). The measured quantity will be divided by the MAF to determine the pay quantity. 970 Milled shoulder corrugations will be measured in accordance with 606.02. Joint adhesive will be measured by the linear foot in accordance with 109.01(a). Liquid asphalt sealant will be measured by the linear foot. 401.22 Basis of Payment The accepted quantities for this work will be paid for at the contract unit price per ton for QC/QA-HMA, of the type specified, complete in place. Payment for furnishing, calibrating, operating the inertial profiler, and furnishing 980 IRI profile information will be made at the contract lump sum price for Inertial Profiler, HMA. Furnishing and operating the 16 ft straightedge shall be included in the cost of other pay items within this section. 401.21 329 Adjustments to the contract payment with respect to mixture, density, and smoothness for the mixture produced will be included in a quality adjustment pay item in accordance with 109.05.1. Milled shoulder corrugations will be paid for in accordance with 606.03. Joint adhesive will be paid for at the contract unit price per linear foot, complete in place. Liquid asphalt sealant will be paid for at the contract unit price per linear foot. Payment will be made under: Pay Item Pay Unit Symbol Inertial Profiler, HMA ............................................................... LS 1000 Joint Adhesive , __________ ..................................................... LFT course type Liquid Asphalt Sealant .............................................................. LFT QC/QA-HMA, ______, ______, ______, ______mm .............. TON (ESAL (1)) (PG(2)) (Course(3)) (Mix(4))