Different machines to meet all needs

shall be design with minimum using crusher run as top surface layer


The drainage layer shall be placed and compacted to the required width and thickness as shown on the Drawings, in one single layer. The material shall be spread and lightly compacted with tracked spreading plant or other approved equipment with consideration given to the protection of the subgrade. 4.1.2 Sub-Base Description This work shall consist of furnishing, placing, compacting

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Allowable Load-Bearing Values of Soils and Rock UpCodes

The allowable bearing pressure for supporting soil and rock at or near the surface shall not exceed the values specified in Table 1804.1, unless data to substantiate the use of a higher value are developed and contained in the engineer's geotechnical report, and the commissioner approves such value.Allowable bearing pressure shall be considered to be the pressure at the base of a foundation in

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Best Practice Guide to Cable Ladder and Cable Tray Systems

* Safe use of these products is best ensured by installing parts that have been designed and tested together as a system. This guide covers cable ladder systems, cable tray systems, channel support systems and associated supports intended for the support and accommodation of cables and possibly other electrical equipment in electrical and/or communication systems installations. This guide does

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21 Spec 301 Base, Subbase, and Subgrade Aggregate

Breaker run Aggregate resulting from the mechanical crushing of quarried stone or concrete not screened or processed after primary crushing. Crushed gravel Crushed angular particles of gravel retained on a No. 10 sieve. Crushed stone Crushed angular particles of quarried rock retained on a No. 10 sieve. Fractured face An angular, rough, or broken particle surface with sharp edges. Gravel

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General Welding Guidelines MCAA

build-up (i.e., runs) of weldable coatings is recommended. When wire brushing stainless steel, use only austenitic stainless steel wire brushes. Brushes for use on stainless steel or other corrosion-resistant metals should be segregated and not be used on carbon or low alloy steel. These ordinary steel will contaminate the brush and result in surface rusting of the corrosion-resistant metal if

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All overbuild layers shall be Type S asphalt concrete. Use the minimum and maximum layer thicknesses as specified in 331-1.2.1 unless shown differently in the plans. On variable thickness overbuild layers, the minimum allowable thickness may be reduced by 1/2 inch [13 mm], and the maximum allowable thickness may be increased 1/2 inch [13 mm], unless shown differently in the plans. Other

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The material shall be uniformly spread over the surface and against previously formed earth shoulders, berms not less than 2.5 feet wide, or against concrete curbs or gutters. Shoulders or berms shall be built up to the elevation of the top of each uncompacted layer being placed, and

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ASTM D1241 15 Standard Specification for Materials for

This specification covers the quality and grading of the following materials for use in the construction of subbase, base, and surface courses sand-clay mixtures; gravel; stone or slag screenings; sand; crusher-run coarse aggregate consisting of gravel, crushed stone, or slag combined with soil mortar; or any combination of these materials. The requirements are intended to cover materials

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equipment for use on the Project. Sentences defining the actions or responsibility of the Department or its representative are generally written in active voice/indicative mood. Sentences written in the active voice/indicative mood identify the party responsible for performing the action. For example, "The Engineer will determine the density of the compacted material." The following words

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Aggregates for Concrete Memphis

and nominal maximum aggregate size; they affect relative. 82. Design and Control of Concrete Mixtures EB001. Fig. 5-4. Range of particle sizes found in aggregate for use in concrete. (8985) Fig. 5-5. Making a sieve analysis test of coarse aggregate in a laboratory. (30175-A) C oarse aggregate S ize N o. 57. Fine sand. Optional, see text. 150 µ

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