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18TH STREET PEDESTRIAN IMPROVEMENTS 3741 RMT July 03, 2024 69 (******) 1 8-26.1 Description 2 Work shall consist of designing, furnishing and construction of a Cement Concrete Modular 3 Block Unit Retaining Wall in accordance with these specifications and to the lines, grades, 4 design, and dimensions shown on the plans. The face of the wall shall offer a rock-face type 5 appearance. Cement concrete modular block units shall be similar to “Keystone,” 6 “CypressStone,” or equivalent. The color of modular block unit shall be gray blend. 7 8 Work includes preparing foundation soil, furnishing and installing leveling pad, unit drainage 9 fill and reinforced backfill to the lines and grades shown on the construction drawings. 10 11 8-26.1(1) Reference Documents 12 American Society for Testing and Materials (ASTM) 13 1) ASTM C140 Standard Test Methods for Sampling and Testing Concrete 14 Masonry Units and Related Units 15 2) ASTM C1262 Standard Test Method for Evaluating the Freeze- Thaw Durability 16 3) ASTM C1372 Standard Specification for Dry-Cast Segmental Retaining Wall 17 Units 18 4) ASTM D422 Standard Test Method for Particle-Size Analysis of Soils 19 5) ASTM D698 Standard Test Methods for Laboratory Compaction 20 Characteristics of Soil Using Standard Effort (12,400 ft-lbf/ft3 (600 kN-m/m3)) 21 6) ASTM D903 Standard Test Method for Peel or Stripping Strength of Adhesive 22 Bonds 23 7) ASTM D1557 Standard Test Methods for Laboratory Compaction 24 Characteristics of Soil Using Modified Effort (56,000 ft-lbf/ft3 (2,700 kN-m/m3)) 25 8) ASTM D3034 Standard Specification for Type PSM Poly Vinyl Chloride (PVC) 26 Sewer Pipe and Fittings 27 9) ASTM D4318 Standard Test Methods for Liquid Limit, Plastic Limit, and 28 Plasticity Index of Soils 29 10) ASTM D4354 Practice for Sampling Geosynthetics for Testing 30 11) ASTM D4355 Test Method for Deterioration of Geotextiles from Exposure to 31 Ultraviolet Light and Water (Xenon-Arc Type Apparatus) 32 12) ASTM D4475 Horizontal Shear Strength of Pultruded Reinforced Plastic Rods 33 13) ASTM D4476 Flexural Properties of Fiber Reinforced Pultruded Plastic Rods 34 14) ASTM D4533 Test Method for Index Trapezoid Tearing Strength of Geotextiles 35 15) ASTM D4595 Standard Test Method for Tensile Properties of Geotextiles by 36 the Wide-Width Strip Method 37 16) ASTM D4632 Test Method for Grab Breaking Load and Elongation of 38 Geotextiles 39 17) ASTM D4759 Practice for Determining the Specification Conformance of 40 Geosynthetics 41 18) ASTM D4873 Guide for Identification, Storage, and Handling of Geotextiles 42 19) ASTM D5199 Test Method for Measuring Nominal Thickness of Geotextiles and 43 Geomembranes 44 20) ASTM D5261 Test Method for Measuring Mass per Unit Area of Geotextiles 45 21) ASTM D5262 Standard Test Method for Evaluating the Unconfined Tension 46 Creep and Creep Rupture Behavior of Geosynthetics 47 22) ASTM D5493 Standard Test Method for Permittivity of Geotextiles Under Load 48 23) ASTM D5818 Standard Practice for Exposure and Retrieval of Samples to 49 Evaluate Installation Damage of Geosynthetics 50