The crushed aggregate base material shall be placed on the approved subgrade in uniform, equal-depth layers, each not exceeding 6 inches of compacted depth. The aggregate shall meet gradation and moisture requirements prior to compaction. . Crushed aggregate base course shall not be placed on frozen material.
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Standard Specifications. 2022 Standard Specifications; Proposed General Application Special Provisions. Industry Review Comment Form . Name Section Review Ends Subject; 22-GA0009: 650: 12/01/23: Topsoil: 22-GA0038: 654 : 11/17/23: Solid Sodding: 22-GA0040: 212 : 12/01/23: Machine Grading Shoulders: 22-GA0039: 433 : 3/8/24: Scrub Seal:
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crushed stone. Base System: A designed system of materials that provide porosity and stability such as soil, crushed aggregate, geotextiles, and drain lines. Drainage System: A method of removing surface and subsurface moisture / water. Infill: Loosely dispersed materials that are added to the synthetic turf system near
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ITEM 411 STABILIZED CRUSHED AGGREGATE. 411.01 Description. This work consists of placing a compacted course or courses of crushed aggregate. 411.02 Materials. Furnish materials conforming to 703.18. 411.03 Construction Methods. Construct the subgrade according to Item 204. Use the spreading and compaction requirements of Item 304, …
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Upon approval of the Port, moisture content may be adjusted on-site using industry accepted methods. 209-3.3 PLACING. The crushed aggregate base material shall be placed on the moistened subgrade or subbase in CRUSHED AGGREGATE BASE COURSE P-209-2 2/17/16 D:533571081.DOC layers of uniform thickness with a …
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This work shall consist of furnishing and constructing a crushed aggregate base course in accordance with the contract documents and as directed by the Engineer. All the provisions of Federal Aviation Administration's Item P-209 Crushed Aggregate Base Course, as attached to this specification, shall apply. MATERIALS
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specifications. Notify the Engineer of all proposed material sources and of changes to material sources. The Engineer will designate the sampling location. 2.1. Aggregate. Stockpile aggregates for each source and type separately. ... B Crushed gravel, crushed slag, crushed stone, or LRA C Gravel, crushed slag, or crushed stone
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specification p205 - select crushed material 142 part 4 – base course 144 specification p207 – composite base course 147 specification p208 - aggregate base course 154 specification p209 - crushed aggregate base course 161 specification p219 - recycled concrete aggregate base course 168 part 5 – stabilized base course 173
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P209 Crushed Aggregate Base. 3/4" Crushed Aggregate Base. 1/2" Premix Blend. 2″ Filter Rock. Class 4 Permeable Base. 3″ Minus. ... *The estimated tons are calculated based upon a standard crushed stone aggregate base. If you are using a different type of aggregate or have questions, please contact the local Sales Representative for ...
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Numerous changes within the base course specifications (P-208, P-209, P-210, P-211, P-212, P-217, and P-219) including standardizing format for materials, construction, and ...
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Crushed Concrete (General) 22A Road Gravel 23A Road Gravel 23A Crushed 25A Special P209 Crushed Base Coarse Gravel. Open Grade Aggregate Peastone. Coarse Aggregate 6A Round Stone 6AA Crushed ... State Spec #100 - 1/4" #4 Minus #4 - #200 #8 Minus. Material Size 3/4" 1 1/2" Minus 1 1/2" Minus 1" Minus 1" Minus
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Aggregates focuses on: natural sands, gravels, crushed gravels, crushed stone, steel slag, air cooled blast furnace (ACBF) slag, recycled crushed concrete, rip rap, reclaimed asphalt pavement (RAP) used as aggregate. Various tests, including quality, freeze-thaw, and alkali-silica reactivity (ASR) are performed on aggregates used for road and ...
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The hardened concrete is crushed and graded to ASTM C33 #67. The mix used for the Green Mile Project is composed of 30% CCA and 70% limestone aggregate. The mix includes a 40% replacement of portland cement with SCMs and uses recycled water from truck washout and stormwater.
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21AA CRUSHED CONCRETE. 21AA Crushed Concrete is great for drainage which makes it the right solution in wet areas. It's often used as a surface for driveways or parking lots. 21AA Natural. 21AA Natural is a looser material that works for gravel roads or as a base layer underneath asphalt pavement. 22A Crushed Concrete.
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Specification Item P-208, as included and modified hereafter, and as shown on the Plans. [For base course under runway and taxiway surfaces, use Section 29, FAA Item P-209.] ... 208-1.1 This item shall consist of a base course composed of crushed or uncrushed coarse aggregate, as specified in the bid schedule,bonded with either ...
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Contribute to sbm2023/sbm development by creating an account on GitHub.
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Type 1 (aka DTp1 / Type 1 in UK and 804 / Type B in RoI) Clause 803 of SHW sets the parameters for a Type 1 sub-base material (but, confusingly, it's known as "804" or Type B in Ireland) as being that it must be a crushed material (so NOT a rounded gravel) to ensure proper interlock between the particles, and those particles should be 63mm* down to …
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If using Gradation 2 P209 in 2 lifts of 6", P403 in 2 lifts of 2 ½", P401 in 1 lift of 4" or 2 lifts of 2" If using Gradation 3 Cannot use Gradation 3. Rehabilitation: For rehabilitation it is also up to the designer to designate what gradation to use based upon thickness of overlay
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4120.01 DESCRIPTION. Uniform mixture of fine and coarse particles of crushed stone, gravel, or a combination of these materials with sand. Crushed recycled materials are to total no more than: · 30% of the shoulder aggregate for new construction. · 50% of the total for existing granular shoulders.
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MAA-CO-XXX Project Title BWI Marshall Airport/Martin State Airport P-209-3 Technical Specifications Crushed Aggregate Base Course CONSTRUCTION METHODS 209-3.1 PREPARING UNDERLYING COURSE. The underlying course shall be checked and accepted by the Engineer before placing and spreading operations are started. Any ruts …
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3. Developing Project Specifications. The standards in this AC may be used to develop construction specifications for an individual project or for a particular State. For individual projects, the standards must not be made a part of a contract merely by reference and pertinent portions of the specifications must be copied into the contract ...
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METHOD OF MEASUREMENT 209-4.1 Crushed Aggregate Base Course will be weighed by the megagram or measured by the cubic meter in final position in accordance with Subsection 90-02. BASIS OF PAYMENT 209-5.1 Crushed Aggregate Base Course will be paid for at the contract price, per unit of measurement, accepted in place.
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Plus or minus 1-1/2 inches (38 mm) in alignment for 75 feet (23 m). AC 150/5370-10A includes changes thru CHG 12 P-501 P-501-18 Groove tolerance. Minimum depth 3/16 inch (5 mm), except that not more than 60 percent of …
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I have recently received the modified proctor lab results for P-209 crushed aggregate base we plan on using as a base for a new taxiway. The sample was collected at the quarry and taken to a construction materials lab for testing. The lab result indicated an uncorrected maximum dry density of 148.5 pcf at an optimum water content of 4.1%.
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ITEM MO-209 CRUSHED AGGREGATE BASE COURSE. DESCRIPTION. 209.1.1 This work shall consist of furnishing and placing one or more courses of crushed aggregate base on a prepared subgrade in accordance with these specifications and in conformity with the lines, grades, thicknesses and typical cross sections shown on the plans.
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Construction specifications. 2024 Standard Specifications for Highways and Bridges: Division I: General Requirements and Covenants (English, PDF 2.91 ) 2024 Standard Specifications for Highways and Bridges: Division II: Construction Details (English, PDF 6.47 ) 2024 Standard Specifications for Highways and Bridges: Division III: Materials ...
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ITEM P-209 CRUSHED AGGREGATE BASE COURSE. DESCRIPTION. 209-1.1. This item consists of a base course composed of crushed aggregates constructed on a. prepared …
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28-day compressive strength can be specified when aircraft weight is under 30,000 lbs. (13,500 kg). Cementitious materials: Minimum cementitious material = 564 lbs./CY (335 kg/m3) Maximum water/cementitious materials ratio = 0.45. Flyash and Ground Blast Furnace Slag (GBFS) may replace up to 55% of portland cement.
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Application: FAA specification material used as a stabilization material under runways. Product Application(s) Road Construction ; Site Prep & Utilities ; Product Availability. …
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Item P-208 Aggregate Base Course; Item P-209 Crushed Aggreagate Base Course; Item P-210 Caliche Base Course; Item P-211 Lime Rock Base Course; Item P …
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Control strips that do not meet specification requirements shall be reworked, re-compacted, or removed and replaced at the Contractor's expense. Full operations shall not begin until the control strip has been accepted by the Engineer. ... Item P209.030.0000 Crushed Aggregate Base Course Stockpile – per ton. Item P209.070.0000 Base Course ...
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