712.02 Construction Fabrics
710 (13)Abrasion Resistance Provide at least 50 gal [190 L] of sand to remove paint film if tested in accordance with Federal Specification TT -P-1952B. (14)No -Tracking Time Field Test Dry the paint to a non -tracking co ndition in no greater than 3 min if applied at 17 mil ±1 mil [432 µm ±25 µm] wet film thickness plus 45 lb/ft³ [719 kg/m³] of glass beads at the specified application temperature. The Department defines “no tracking” as the period when the line dries so a vehicle can run over the line at 40 mph [64 km/h] without tracking the reflectorized line when viewed from 50 ft [15 m] away. (15)Dry Through Time Apply the paint to a non -absorbent substrate at a wet film thickness from 17 mil ±1 mil [432 µm ±25 µm]. Pl ace the paint in a humidity chamber controlled 90 ±5 percent relative humidity and from 72.5°F ±2.5°F [22.5°C ±1.4°C]. Determine the dry -through time in accordance with ASTM D 1640, except that the pressure exerted is the minimum amount to maintain contact with the thumb and film.
712.01 Fabric Reinforcement for Asphalt Concret E Pavement
A.General This subsection covers fabrics for hot mix asphalt pavement reinforcement.
B.Requirements Provide fabric in accordance with AASHTO M 288, meeting the Type II paving fabric requirements.
C.Packaging and Storing Obtain fabric rolls of standard width and length from the manufacturer. Ensure the manufacturer uniformly winds the fabric on cylinders or cores for mechanical laydown equipment. Ensure the rolls provide full pavement coverage with minimal joint splices. Protect the fabric from sunlight and moisture by wrapping the rolls. If stored outdoors, elevate the rolls and cove r.
712.02 Geotextiles for Eros Ion Control
A.General This subsection covers pervious fabric under riprap for slope protection, and gabions for separation. CONSTRUCTION FABRICS 712.06 711 B. Requirements Provide fabric for erosion control in accordance with AASHTO M 288, “Permanent Erosio n Control Geotextile Requirements.” In addition, use the requirements of AASHTO M 288, Table 6, with from 15 to 50 percent of in -situ soil passing the No. 200 [75 µm] sieve.
712.03 Geotextiles for Subs Urface Drainage Purp Oses
A.General This subsection cov ers geotextiles for pipe underdrain and drainage systems.
B.Requirements Provide fabric for subsurface drainage in accordance with AASHTO M 288, “Subsurface Drainage Geotextile Requirements.” In addition, use the requirements of AASHTO M 288, Table 2, wi th from 15 to 50 percent of in -situ soil passing the No. 200 [75 µm] sieve.
712.04 Geotextiles for Subg Rade Reinforcement
A.General This subsection covers fabric for subgrade reinforcement under pavement structures.
B.Requirements Provide fabric for subg rade reinforcement in accordance with AASHTO M 288, “Stabilization Geotextile Property Requirements.”
712.05 Geotextiles for Base S
A.General This subsection covers a pervious fabric under base courses for separation.
B.Requirements Provide a non -woven fabric for base course separation in accordance with AASHTO M 288, “Separation Geotextile Property Requirements” with a Class 2 Degree of Survivability.
712.06 Filter Fabric for Si Lt Fence
A.General This subsection covers fabric for soil removal from wat er.
B.Requirements Provide fabric for temporary silt fence in accordance with AASHTO M 288, “Temporary Silt Fence Property Requirements” for unsupported silt fence with less than 50 percent elongation.
712.07 Construction Fabrics
712 712.07 GEOGRID SUBGRADE REI NFORCEMENT OF PAVEME NT STR UCTURES
A.General This subsection covers geogrid properties for subgrade reinforcement.
B.Requirements Provide long -chain synthetic polymers for geogrids. Form the polymers into a network so the ribs, filaments, or yarns retain dimensional stability rel ative to each other and selvages. Provide the type of geogrid for subgrade reinforcement, as required in the Contract, in accordance with Table 712:1, “Type 1 Geogrid – Property Requirements,” or Table 712:2, “Type 2 Geogrid – Property Requirements. ” A geogrid consists of a regular network of integrally connected tensile elements with apertures that allow interlocking with surrounding soil, rock, or earth, forming a biaxial polymeric grid. The Department will not allow polye ster geogrid. Table 712:1 Type 1 Geogrid – Property Requirements Property Test Method Value a Reinforcement properties: 2% and 5% tensile modulus ASTM D6637 b ≥14,000 lb/ft Junction strength, per junction GRI GG2 ≥50 lb Aperture size Direct measure 1.0 in – 2.0 in Rib thickness Direct measure ≥0.03 in Percent open area COE CW-02215 ≥70% Aperture stability COE Method 2.56 kg-cm/deg Survivability index values: Ultimate tensile strength ASTM D6637 b 850 lb/ft Junction efficiency GRI GG2 89% Flexural stiffness ASTM D1388 250,000 mg-cm a Values, except Ultraviolet Stability, Aperture Size, and Coefs are MARVs. b Modified test method for geogrids. CONSTRUCTION FABRICS 712.08 713 Table 712:2 Type 2 Geogrid – Property Requirements Property Test Method Value a Reinforcement properties: 2% and 5% tensile modulus ASTM D6637 b ≥20,000 lb/ft Junction strength, per junction GRI GG2 ≥75 lb Aperture size Direct measure 1.0 in – 2.0 in Rib thickness Direct measure ≥0.05 in Percent open area COE CW-02215 ≥70% Aperture stability COE Method 3.7 kg-cm/deg Survivability index values: Ultimate tensile strength ASTM D6637 b 1,300 lb/ft Junction efficiency GRI GG2 89% Flexural stiffness ASTM D 1388 750,000 mg-cm a Values, except Ultraviolet Stability, Aperture Size, and Coefs are MARVs. b Test method for geogrids.
C.Packing, Shipment, and Storage Label, ship, and store geogrids in accordance with ASTM D4873/D4873M. Label the product with the manufacturer or supplier name, style name, and roll number.
712.08 Fabric for Turbidity Curtain
A.General Provide fabric for Turbidity Curtain that meets the following requirements: Sew or heat -bond hemmed pockets for flotation devices and bottom weights. Place metal grommets through reinforced hems on panel ends. Tie connections between panels with synthetic or wire rope to prevent flow through the joint.
712.09 Construction Fabrics
714 B. Requirements Provide fabric in accordance with Table 712:3. If the provided fabric is polymer impregnated, negate the permittivity and opening size requirements. Table 712:3 Property Requirements Property ASTM Test Method Value a Grab tensile strength D4632/D4632M ≥270 lb [1.2 kN] Trapezoidal tear strength D4533/D4533M ≥100 lb [445 N] Puncture strength D4833/D4833M ≥100 lb [445 N] Mullen burst strength b D3786/D3786M 400 psi [2,760 kPa] Permittivity D4491/D4491M ≤0.06 per second Apparent opening size c D4751 400 psi [2,760 kPa] a Minimum average roll value. b ASTM D3786 -87. The fluid displacement rate for the Mullen burst test equipment must be from 165 mL/min to 175 mL/min. Subtract tare strength from the ultimate burst strength in accordance with ASTM. c The Department will allow filtration opening size (FOS, Canadian General Standards Board, Method 148.1 No. 10) as an alternative test method to ASTM D4751 for non -woven geotextiles.
712.09 Waterproof Membrane for Asphalt Overlay
A.General This subsection covers the polymer type, geotextile fabric backed, waterproof membrane properties for use when placing an asphalt concrete overlay on a concrete bridge deck.
B.Requirements Provide a non -woven polypropylene backing fabric with rubberized asp halt as the waterproofing agent and meeting the requirements of Table 712:4 . Ensure the membrane can withstand the temperatures obtained during the application of “super pave” asphalt concrete which can briefly reach 350 ºF. CONSTRUCTION FABRICS 712.10 715 Table 712:4 Waterproof Membrane for Concrete Bridge Deck Overlays Property Test Method Value Thickness ASTM D1000 65 mil [1.65 mm] Tensile strength, average of machine and cross machine directions ASTM D882 (Method A) ≥50 lb/in [8.8 kN/m] of width Puncture Resistance ASTM E154 ≥200 lb [890 N] Permeance, Perms ASTM E96 ≤0.1 (Method B) Softening Point of Waterproofing Compound ASTM D36 ≥205 ºF [96 ºC] Pliability at −15 ºF [−26 ºC] using a ¼ in [6.35 mm] mandrel and 180º bend ASTM D146 (Modified) No Cracks in fabric or rubberized asphalt
712.10 Geotextiles for Conc Rete Overlay Bond Br Eakers
A.General This subsection covers a pervious fabric for separation over cement treated base or an existing pavement to prevent bonding to a new pavement.
B.Requirements Provide a non -woven fabric for base course separation in accordance with AASHTO M 288, “Separation Geotextile Property Requirements” with a Class 1 Degree of Surviva bility and a unit weight of not less than 15 oz/yd2 [500g/m2].
713.01 Erosion Control Stone
716 SECTION 713 EROSION CONTROL STONE
713.01 Riprap Stone
Determine the bulk specific gravity and absorption in accordance with ASTM D 6473. Ensure the bulk specific gravity is at least 2.25, and the maximum absorption is 6.0 percent. Ensure the loss of soundness after 20 cycles is no greater than 15 percent when tested in accordance with OHDL -58. Provide riprap pieces with a width and thickness at least one -third the length. If placed on the embankment, distribute smaller stones throughout the mass. Provide the stone sizes specified in Table 713:1, Table 713:2, and Table 713:3: Table 713:1 Stone for Plain Riprap (Type I) Riprap Thickness, in [mm] Sizes, lb [kg] Maximum Average More than 80% of the riprap stone 12 [300] 150 [70] 30 – 50 [13 – 23] ≥20 [9] 18 [450] 300 [150] 70 – 125 [30 – 60] ≥30 [14] 24 [600] 1,000 [450] 225 – 400 [100 – 180] ≥40 [18] 30 [750] 1,000 [450] 225 – 400 [100 – 180] ≥40 [18] 36 [900] 2,000 [900] 450 – 800 [200 – 360] ≥80 [36] Table 713:2 Stone for Special Plain Riprap (Type II) Percent of Total Volume Volume of each stone, ft³ [m³] 40 – 60 5 – 12 [0.142 – 0.340] 20 – 30 2 – <5 [0.057 – <0.142] 10 – 20 0.25 – <2 [0.007 – <0.057] 5 – 15 <0.25 [0.007]
Source: Oklahoma Standard Specifications for Highway Construction, 2019 Edition. Pages 724–729 of 935.