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FAA's newest revision (10H) of AC 150/5370, "Standard Specifications for Construction of Airports," which includes Item P-401, "Asphalt Mix Pavement," was released on December 21, 2018. The FAA made a lot of minor changes in the new spec, but also some substantial ones. They all work together to improve the ability of contractors ...
P-401 HMA Surface Course. Airport pavement design of HMA surface courses is outlined within the Advisory Circular AC 150/5370-10E Part V. The mix consisted of a #7 stone, #8 stone, #9 stone, #10 screenings, and bag house dust. Also, the asphalt binder was a PG 64-22. The Job Mix Formula (JMF) falls within the specification of a mix utilizing a ...
Part 6 of Advisory Circular 150/5370-10H contains Items P -401 and P-403 for Asphalt Mix Pavement. Item P-404 specifies Fuel-Resistant Asphalt Mix Pavement. Asphalt binder requirements are contained in 2.3 of each item. United Facilities Guide Specifications (UFGS) 32 12 15.13 Asphalt Paving for Airfields and 32 12
Item P-401 Asphalt Mix Pavement Item P-403 Asphalt Mix Pavement [Base] [Leveling] [Surface] Course Item P-404 Fuel-Resistant Asphalt Mix Pavement Part 7 – Rigid Pavement Item P-501 Cement Concrete Pavement Item P-608 Emulsified Asphalt Seal Coat Item P-608-R Rapid Cure Seal Coat
• Special - Consult with OMR Pavement Design Unit C 5.5 PG 64-22 200 - 300 • Screening asphalt base – high stability • Special – Consult with OMR Pavement Design Unit D 5.0 PG 64-22 200 - 300 • Sand asphalt base – low stability SPECIALTY MIXES • Interstate OGFC 6.5 PG 76 …
Figure 2-24 View of Alley B-C Pavement, BLIAP, and November 2006 Figure 2-25 Close-Up of Surface Texture of the Item P-401 FR, November 2006. Figure 2-26 FDOT Agricultural Inspection Station SP FR 12.5 mm (fine). Figure 2-27 Petroleum Contaminates on the SP FR 12.5 mm (fine). Chapter 3 Figure 3-1 LAS 320 Figure 3-2 Coal Tar
Revision of Section 401 – Composition of Mixtures – Voids Acceptance (October 1, 2021) 1. Projects having voids acceptance of hot mix asphalt. Revision of Section 401 – Reclaimed Asphalt Pavement(October 1, 2021)2. Projects with voids acceptance of hot mix asphalt, and on any other projects. as determined by the Region Materials Engineer.
ITEM P-401 ASPHALT MIX PAVEMENT DESCRIPTION . 401-1.1 ASPHALT MIX PAVEMENT. Hot Mix Asphalt (HMA) shall consist of pavement courses composed of mineral aggregate and asphalt binder mixed in a central mixing plant and placed on a prepared base or
mix bituminous pavement as surface course for runways or taxiways in accordance with Sections 203 and 302 of the Standard Specifications, except as specified otherwise in FAA Specification Item P-401, Plant Mix Bituminous Pavements, as included and modified hereafter, and other referenced documents, and as shown on the Plans.
P401 Hot Mix asphalt (HMA) Structural Lift Thickness vs Construction Lift Thickness ... In AC 150/5370-10G Item P401 paragraph 401-3.2, In the note to engineer above Table 3 Aggregate – HMA Pavements, it is . recommended. ... how much existing pavement structure must be removed prior to installation of the new wearing surface.
12.5mm P-401 Mix #3 (max size) 50 blow Marshall design Design at 2.5% air voids Typical P-401 mix has ≈ 5.5% asphalt content These changes to P-401 yield a fuel resistant mix with ≈ 7% asphalt content Result –additional asphalt in P-401 mix decreases permeability, increases fuel resistance, increases
Material Considerations in P-401 G •Item P-401 Plant Mix Bituminous Pavement •Item P-403 Hot-Mix Asphalt (HMA) Pavements (Base, Leveling or Surface Course) –In both specifications, the use of the Gyratory Compactor for design of HMA is a "tailoring option" that …
In July 2014, FAA issued an updated Advisory Circular #150/5370-10G that included a new specification item P-601 Fuel-Resistant Hot Mix Asphalt Pavement. After version 10G was issued, JFR became a standard specification and could be routinely specified by designers and five more major projects have been completed using JFR, including at least ...
of the foregoing. If the job mix formula uses recycled materials, the mix shall meet the requirements of Reclaimed Asphalt Pavement as specified in 2.9. 2.4.3 The Department allows the use of recycled binder in mix designs, up to 0.8% Total Reused Binder (TRB) without any change in asphalt binder requirements as long as the mix design meets all ...
Asphalt Pavement Design, Construction and Maintenance (23 PDHs) ... especially those within and pertaining to item P-401. ... • Asphalt Institute MS-2 Mix Design Methods • Asphalt Institute MS-22 Construction of Hot Mix Asphalt • FAA AC 150/5320-6G Airport Pavement Design and Evaluation
PAVEMENT SERVICES, INC. "Item P‐401 Hot Mix Asphalt (HMA) Pavements" • Section 1: Description –Note: used for surface courses on airfields with aircraft >12,500 lbs. For underlying layers, and for <12,500 lbaircraft, Item P‐403 may be used. (P‐403 similar to P‐401 except no PWL.) State
Item P-401 Asphalt Mix Pavement 4 Number of blows Laboratory mixing and compaction temperatures. Supplier-recommended field mixing and compaction temperatures. Plot of the combined gradation on a 0.45 power gradation curve. Graphical plots of air voids, voids in the mineral aggregate (VMA), and unit weight versus asphalt content.
A-7495 Page 1 of 22 P-401 ITEM P-401 ASPHALT MIX PAVEMENT DESCRIPTION 401-1.1 This item shall consist of pavement courses composed of mineral aggregate and asphalt binder mixed in a central mixing plant and placed on a prepared base or stabilized course in
SECTION 401 - PLANT MIX PAVEMENTS - GENERAL 401-1 DESCRIPTION. These general specifications apply to all plant mixed bituminous concrete5 irrespective of aggregate gradation, kind and amount of bituminous material or use. Modifications of these general requirements will be indicated in the specific requirements for each item.
401.02 4-1 DIVISION 400 PAVEMENTS SECTION 401 PLANT MIX PAVEMENTS–GENERAL DESCRIPTION 401.01 These specifications include general requirements that are applicable to all types of hot mix asphalts irrespective of gradation of aggregate, kind and quantity of asphalt cement, or pavement use. Deviations from these general requirements will be
The rut resistance of item P-401 hot mix asphalt (HMA) plays a critical role in rutting performance of airfield pavement. Flow Number test, High Temperature Indirect Tensile (HT/IDT) Strength test and Asphalt Pavement Analyzer (APA) test were conducted on P-401 mixture to estimate the rut resistance.
The workshop covered many aspects of asphalt pavements, including significant changes to the P-401 spec that were made in the recently released AC 150/5370-10H. Day 1 topics included an overview of the workshop, aggregates, asphalt binder, hot-mix asphalt mix …
FAA's newest revision (10H) of AC 150/5370, "Standard Specifications for Construction of Airports," which includes Item P-401, "Asphalt Mix Pavement," was released on December 21, 2018. The FAA made a lot of minor changes in the new spec, but also some substantial ones. They all work together to improve the ability of contractors ...
for designing HMA mixes using the recommended mix design method. This volume of the report, Volume III, includes the proposed changes/additions to the Item P-401 guide specification for the design of HMA mixes using the Superpave gyratory compactor. Sections from Item P-401 that do not contain recommended changes are not included in this document.
is on the full length of the project; added use of the Asphalt Pavement Analyzer (APA) to Item P-401 eliminating the need to run stability and flow when using the Marshall Method and allowing the same asphalt design criteria in Table 1 to apply regardless of which mix …
ITEM P-401 ASPHALT MIX PAVEMENT. 401-2.3 ASPHALT BINDER. MODIFY the sentence to read "Asphalt binder shall conform to ASTM D6373 Performance Grade (PG) 76-28." 18. TECHNICAL SPECIFICATIONS. ITEM P-401 ASPHALT MIX PAVEMENT. 401-8.1 PAYMENT. REMOVE the Bid Alternate 1 pay items. MODIFY Item P-401-8.1 Description to read "Bituminous Surface ...
– P-401 Plant Mix Bituminous Pavement – P-403 Plant Mix Bit. (Base, Leveling or Surface Course) • Rigid Surface Course – P-501 Portland Cement Concrete Pavement • Miscellaneous – P-603 Bit. Tack Coat – P-604 Compression Joint Seals – P-609 Seal Coats and Bit. Surface Treatments – P-620 Runway and Taxiway Painting
Major Changes to Item P-401 Asphalt Mix Pavement • Material properties organized in table format. • Clarified and simplified lot size definitions. • New requirements for smoothness: –Smoothness measuring equipment requirements. –Moved straightedge testing requirements to section on Contractor Quality Control –testing performed on a ...
The design of a hot mix asphalt pavement requires some knowledge of the following: TRAFFIC DRAINAGE SUBGRADE SOILS SUPPORT TRAFFIC Asphalt pavements must be designed using the proper number and weight of axle loads expected during a given period of time to insure adequate pavement performance.
SECTION 400 – ASPHALT PAVEMENTS SECTION 401 – QUALITY CONTROL/QUALITY ASSURANCE, QC/QA, HOT MIX ASPHALT, HMA, PAVEMENT 401.01 Description This work shall consist of one or more courses of QC/QA HMA base, intermediate, or surface mixtures constructed on prepared foundations in accordance with 105.03. 401.02 Quality Control
P-401, Plant Mix Bituminous Pavements 1.2 - 1.6 Note: Reflection cracking may be encountered when P-304 or P-306 is used as base for a flexible pavement. The thickness of the hot mix asphalt surfacing course should be at least 4 inches (100 mm) to minimize reflection cracking in …
ITEM 689.P401XX26 – AIRPORT HOT MIX ASPHALT (HMA) PAVEMENTS (FAA ITEM P-401) - TON Page 1 of 1 7/10/2020 . DESCRIPTION. This work shall consist of furnishing and constructing asphalt pavement in accordance with the contract documents and as directed by the Engineer.
ITEM P-401 PLANT MIX BITUMINOUS PAVEMENT DESCRIPTION 401-1.1 This item shall consist of a surface course composed of mineral aggregate and bituminous material mixed in a central mixing plant and placed on a prepared course in accordance with these Specifications and shall conform to the lines, grades, thicknesses, and typical cross sections shown on the Plans.
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