8 rows · 303-289-3366 800-336-6865. 7901 Hwy 85 Commerce City, CO 80022, ITEM P-209 CRUSHED AGGREGATE BASE COURSE . DESCRIPTION . 209-1.1. This item consists of a base course composed of crushed aggregate constructed on a prepared course in accordance with these Specifications and to the dimensions and typical cross -sections shown on the Plans. MATERIALS . 209-2.1 CRUSHED AGGREGATE BASE.
Aggregate base shall meet the requirements of the 2004 Missouri Standard Specification for Highway Construction (MSSHC), Section 304 – Aggregate Base Course. All construction methods, testing, and acceptance criteria shall be in accordance with the standards included within this Item MO-209.
The aggregate shall be free from lumps of clay, organic matter, and other objectionable materials or coatings. And for P-209. This item consists of a base course composed of crushed aggregate base constructed on a prepared course in accordance with these specifications and in conformity to the dimensions and typical cross-sections shown on the plans.
P-209, Crushed Aggregate Base Course Page 3 of 5 the materials to meet the specifications and to secure the proper moisture content for compaction. 3.3 Placing. The crushed aggregate base material shall be placed on the moistened subgrade in layers of uniform thickness with a mechanical spreader. The maximum depth of a compacted layer shall, What is the difference between P208 and P209 base runway . The aggregate shall be free from lumps of clay organic matter and other objectionable materials or coatings And for P209 This item consists of a base course composed of crushed aggregate base constructed on a prepared course in accordance with these specifications and in conformity to the dimensions and typical crosssections shown on …
Circular 150/5370-10B. The P209 aggregate material was classified as A-1-a according to AASHTO procedure and as GP-GM (poorly graded gravel with silt) according to ASTM procedure whereas the P154 aggregate material was classified as A-1-b according to AASHTO procedure and as SW-SM (well graded sand with silt) according to ASTM procedure.
