Fabric Materials Art. 1080.01 (1,720 kPa). The loop shall be preformed with a sealed tee connection, and shall be part of one continuous piece with initial lead-in connection wires. No joints or splices shall be made in the loop or wire, except for their connection to the lead-in wires located outside of the pavement.
c.Sealer. The Sealer for Type I detector loop shall be one of the following.
1.Polyurethane or Two-Component Polyurethane Modified Asphalt. The material shall be cured to be rubber like, and suitable for sealing detector loops in both hot-mix asphalt (HMA) and concrete pavements. The cured material shall be highly resistant to oil, gasoline, salts, acids, and alkalis.
2.Two Component Epoxy or Two Component Polyester Resin. The material shall be cured to be flexible, and suitable for sealing detector loops in both HMA and concrete pavements. The cured material shall be highly resistant to oil, gasoline, salts, acids, and alkalis. The above material shall have the following properties. Property Value Pot life at 77 °F (25 °C) 13 minutes minimum Cure Time 4 hours maximum Shore D Hardness 28 minimum OTHER ITEMS SECTION 1080. FABRIC MATERIALS
1080.01 Fabric Envelope for Pipe Underdrains. The fabric envelope for
encasing pipe underdrains may be either a knitted, woven, or nonwoven fabric.
a.Fabric Materials. Fabric materials shall be as follows.
1.Knitted Fabric. Knitted fabric envelope shall be Type A according to ASTM D 6707 and be a continuous one piece knitted polymeric material that fits over the pipe underdrain like a sleeve. It shall be free from any chemical treatment or coating that might significantly reduce porosity and permittivity.
2.Woven or Nonwoven Fabric. The fabric shall be Class 3 according to AASHTO M 288 and consist of woven yarns or nonwoven filaments of polyolefins or polyesters. Woven slit film geotextiles (i.e. geotextiles made from yarns of a flat, tape-like character) shall not be permitted. The yarns or filaments shall be dimensionally stable (i.e. maintain their relative position with respect to each other) and resistant to delamination. The yarns or filaments shall be free from any chemical treatment or coating that might significantly reduce porosity and permittivity. Art. 1080.01 Fabric Materials
3.Physical Properties. The physical properties for knitted, woven, and nonwoven fabrics shall be according to the following. PHYSICAL PROPERTIES Knitted 1/ Woven 2/ Nonwoven 2/ Grab Strength, lb (N) ASTM D 4632 3/ -- 180 (800) min. 112 (500) min. Elongation/Grab Strain, % ASTM D 4632 3/ -- 49 max. 50 min. Trapezoidal Tear Strength, lb (N) ASTM D 4533 3/ -- 67 (300) min. 40 (180) min. Puncture Strength, lb (N) ASTM D 6241 3/ 180 (800) min. 370 (1650) min. 222 (990) min. Apparent Opening Size, Sieve No. (mm) - ASTM D 4751 4/ 30 (0.60) max. 40 (0.425) max. 40 (0.425) max. Permittivity, sec-1 ASTM D 4491 1.0 min. Ultraviolet Stability, % retained strength after 500 hours of exposure - ASTM D 4355 -- 50 min. 50 min. 1/ Manufacturer's certification to meet test requirements. 2/ NTPEP results (manufacturer’s QC test values) or manufacturer’s certification to meet test requirements. 3/ Values represent the minimum average roll value (MARV) in the weaker principle direction [machine direction (MD) or cross- machine direction (XD)]. 4/ Values represent the maximum average roll value.
b.Handling and Storage. The fabric envelope shall be delivered to the job site in such manner as to facilitate handling and incorporation into the work without damage. Fabric envelope materials shall be stored out of direct sunlight.
1080.02 Geotextile Fabric. The fabric for silt filter fence shall consist of a
woven fabric meeting the requirements of AASHTO M 288 for unsupported silt fence. The fabric for ground stabilization shall consist of woven yarns or nonwoven filaments of polyolefins or polyesters. Woven fabrics shall be Class 2 and nonwoven fabrics shall be Class 1 according to AASHTO M 288. The physical properties for silt fence and ground stabilization fabrics shall be according to the following. Fabric Materials Art. 1080.03 PHYSICAL PROPERTIES Silt Fence Woven 1/ Ground Stabilization Woven 2/ Ground Stabilization Nonwoven 2/ Grab Strength, lb (N) ASTM D 4632 3/ 123 (550) MD 101 (450) XD 247 (1100) min. 4/ 202 (900) min. 4/ Elongation/Grab Strain, % ASTM D 4632 4/ 49 max. 49 max. 50 min. Trapezoidal Tear Strength, lb (N) - ASTM D 4533 4/ -- 90 (400) min. 79 (350) min. Puncture Strength, lb (N) ASTM D 6241 4/ -- 494 (2200) min. 433 (1925) min. Apparent Opening Size, Sieve No. (mm) ASTM D 4751 5/ 30 (0.60) max. 40 (0.43) max. 40 (0.43) max. Permittivity, sec-1 ASTM D 4491 0.05 min. Ultraviolet Stability, % retained strength after 500 hours of exposure ASTM D 4355 70 min. 50 min. 50 min. 1/ NTPEP results (manufacturer’s QC test values) or manufacturer’s certification to meet test requirements. 2/ NTPEP results (manufacturer’s QC test values) to meet test requirements. Manufacturer shall have public release status and current reports on laboratory results in Test Data of NTPEP’s DataMine. 3/ MD = Machine direction. XD = Cross-machine direction. 4/ Values represent the minimum average roll value (MARV) in the weaker principle direction, MD or XD. 5/ Values represent the maximum average roll value.
1080.03 Filter Fabric. The filter fabric shall consist of woven yarns or
nonwoven filaments of polyolefins or polyesters. Woven fabrics shall be Class 3 for riprap gradations RR 4 and RR 5, and Class 2 for RR 6 and RR 7 according to AASHTO M 288. Woven slit film geotextiles (i.e. geotextiles made from yarns of a flat, tape-like character) shall not be permitted. Nonwoven fabrics shall be Class 2 for riprap gradations RR 4 and RR 5, and Class 1 for RR 6 and RR 7 according to AASHTO M 288. After forming, the fabric shall be processed so that the yarns or filaments retain their relative positions with respect to each other. The filter fabric shall be manufactured in widths of not less than 6 ft (2 m). Sheets of fabric may be sewn together with thread of a material meeting the chemical requirements given for the yarns or filaments to form fabric widths as required. The sheets of filter fabric shall be sewn together at the point of manufacture or another approved location. Art. 1080.03 Fabric Materials The filter fabric shall be according to the following. PHYSICAL PROPERTIES 1/ Gradation Nos. RR 4 & RR 5 Gradation Nos. RR 6 & RR 7 Woven Nonwoven Woven Nonwoven Grab Strength, lb (N) ASTM D 4632 2/ 180 (800) min. 157 (700) min. 247 (1100) min. 202 (900) min. Elongation/Grab Strain, % ASTM D 4632 2/ 49 max. 50 min. 49 max. 50 min. Trapezoidal Tear Strength, lb (N) - ASTM D 4533 2/ 67 (300) min. 56 (250) min. 90 (400) min. 79 (350) min. Puncture Strength, lb (N) ASTM D 6241 2/ 370 (1650) min. 309 (1375) min. 494 (2200) min. 433 (1925) min. Ultraviolet Stability, % retained strength after 500 hours of exposure ASTM D 4355 50 min. 1/ NTPEP results (manufacturer’s QC test values) to meet test requirements. Manufacturer shall have public release status and current reports on laboratory results in Test Data of NTPEP’s DataMine. 2/ Values represent the minimum average roll value (MARV) in the weaker principle direction [machine direction (MD) or cross-machine direction (XD)]. As determined by the Engineer, the filter fabric shall meet the requirements noted in the following after an onsite investigation of the soil to be protected. Soil by Weight (Mass) Passing the No. 200 (75 µm) Sieve, % Apparent Opening Size, Sieve No. (mm) - ASTM D 4751 1/ Permittivity, sec-1 ASTM D 4491 49 max. 60 (0.25) max. 0.2 min. 50 min. 70 (0.22) max. 0.1 min. 1/ Values represent the maximum average roll value.
1080.04 Fabric Formed Concrete Revetment Mats. Fabric forming material
shall consist of specially woven, double layer, open selvage fabric joined in mat configuration. The fabric shall consist of uncoated synthetic yarns with sufficient grab strength and porosity to withstand the pressure of the grout injection pump without breaking the layers of fabric. Each fabric layer shall be Class 2 according to AASHTO M 288 and exhibit a minimum grab strength of 247 lb (1100 N) in both the machine and cross-machine directions when tested according to ASTM D 4632. NTPEP results (manufacturer’s QC test values) to meet test requirements. Manufacturer shall have public release status and current reports on laboratory results in Test Data of NTPEP’s DataMine. Fabric Materials Art. 1080.05 Hydrostatic uplift pressure relief shall be provided by installing 1 1/2 in. (38 mm) diameter sewn filter points woven in such a manner as to permit passage of water through the filter points spaced approximately at 8 in. (200 mm) centers for the filter point style mat with average thickness of 3.5 in. (88 mm), and at 8 ft (2.4 m) centers for the uniform cross section style mat with average thickness of 4 in. (100 mm). All filter points shall be checked and cleaned for free passage of water through the filter points after the mat has been pumped and the grout has set. When uniform cross section style mat is specified, the Contractor shall have the option of substituting filter point style mat.
1080.05 Geotechnical Fabric for French Drains and Pipe Underdrains,
Type 2. Geotechnical fabric for french drains and pipe underdrains, Type 2 shall be Class 3 according to AASHTO M 288 and consist of woven yarns or nonwoven filaments of polyolefins or polyesters. Woven slit film geotextiles (i.e. geotextiles made from yarns of a flat, tape-like character) shall not be permitted. The yarns or filaments shall be dimensionally stable (i.e. maintain their relative position with respect to each other) and resistant to delamination. The yarns or filaments shall be free from any chemical treatment or coating that might significantly reduce porosity and permittivity. The fabric shall be according to the following. PHYSICAL PROPERTIES 1/ Woven Nonwoven Grab Strength, lb (N) ASTM D 4632 2/ 180 (800) min. 112 (500) min. Elongation/Grab Strain, % ASTM D 4632 2/ 49 max. 50 min. Trapezoidal Tear Strength, lb (N) ASTM D 4533 2/ 67 (300) min. 40 (180) min. Puncture Strength, lb (N) ASTM D 6241 2/ 370 (1650) min. 222 (990) min. Apparent Opening Size, Sieve No. (mm) ASTM D 4751 3/ 60 (0.25) max. Permittivity, sec-1 ASTM D 4491 0.2 min. Ultraviolet Stability % retained strength after 500 hours of exposure - ASTM D 4355 50 min. 1/ NTPEP results (manufacturer’s QC test values) to meet test requirements. Manufacturer shall have public release status and current reports on laboratory results in Test Data of NTPEP’s DataMine. 2/ Values represent the minimum average roll value (MARV) in the weaker principle direction [machine direction (MD) or cross-machine direction (XD)]. 3/ Values represent the maximum average roll value. Art. 1080.06 Fabric Materials
1080.06 Geosynthetic Soil Reinforcement for Retaining Walls. If soil
reinforcement is required by the approved design, the Contractor shall submit a manufacturer’s certification for the soil reinforcement properties which equals or exceeds those required in the design computations.
a.Geosynthetic Soil Reinforcement for Precast Modular and Segmental Block Walls. The soil reinforcement shall be manufactured from high density polyethylene (HDPE) uniaxial or polypropylene biaxial resins or high tenacity polyester fibers with a PVC coating, stored between -20 and 140 F (-29 and 60 C). The geosynthetic reinforcement properties shall be determined according to AASHTO PP-66.
b.Geosynthetic Soil Reinforcement for MSE Retaining Walls. Geosynthetic reinforcement shall be a geogrid that is monolithically fabricated from virgin high density polyethylene (HDPE) or high tenacity polyester (HTPET) resins having the following properties verified by mill certifications. Property for Geosynthetic Reinforcement Value Test Minimum Tensile Strength ** ASTM D 6637 ** As specified in the approved design calculations and shown on the shop drawings. Property for HDPE Geogrid Value Test Melt Flow Rate (g/cm) 0.060 – 0.150 ASTM D 1238, Procedure B Density (g/cu m) 0.941 – 0.965 ASTM D 792 Carbon Black 2% min. ASTM D 4218 Property for HTPET Geogrid Value Test Carboxyl End Group (max) (mmol/kg) <30 ASTM D 7409 Molecular Weight (Mn) >25,000 GRI-GG8
c.Non-Metallic MSE Panel Embed/Connection Devices. Connection devices used with geosynthetic soil reinforcement shall be manufactured from polyvinyl chloride having the following properties. Property for Polyvinyl Chloride Value Test Heat Deflection Temperature (⁰F) 155 - 164 ASTM D 1896 Notched IZOD 1/8 in. @ 73⁰F (ft-lb/in) 4 – 12 ASTM D 256 Coefficient of Linear Exp. (in./in./⁰F) 3.5 – 4.5 ASTM D 696 Hardness, Shore D 79 ASTM D 2240 Property for Polypropylene Value Test Melt Flow Rate (g/cm) 0.060 – 0.150 ASTM D 1238, Procedure B Density (g/cu m) 0.88 – 0.92 ASTM D 792 Fabric Materials Art. 1080.06
d.The geotextiles for geotextile retaining walls shall be Class 1 according to AASHTO M 288 and consist of woven yarns or nonwoven filaments of polyolefins or polyesters. The yarns or filaments shall be dimensionally stable (i.e. maintain their relative position with respect to each other) and resistant to delamination. The yarns or filaments shall be free from any chemical treatment or coating that might significantly reduce porosity and permittivity. A Class 1A geotextile according to AASHTO M 288 Tables 1 and 6 will also be permitted. The Class 1 fabric shall be according to the following. PHYSICAL PROPERTIES 1/ Woven Nonwoven Grab Strength, lb (N) ASTM D 4632 2/ 314 (1400) min. 202 (900) min. Elongation/Grab Strain, % ASTM D 4632 2/ 49 max. 50 min. Trapezoidal Tear Strength, lb (N) ASTM D 4533 2/ 112 (500) min. 79 (350) min. Puncture Strength, lb (N) ASTM D 6241 2/ 618 (2750) min. 432 (1925) min. Apparent Opening Size, Sieve No. (mm) - ASTM D 4751 3/ 40 (0.43) max. Permittivity, sec-1 ASTM D 4491 0.2 min. Ultraviolet Stability, % retained strength after 500 hours of exposure - ASTM D 4355 70 min. 1/ NTPEP results (manufacturer’s QC test values) or manufacturer’s certification to meet test requirements. 2/ Values represent the minimum average roll value (MARV) in the weaker principle direction [machine direction (MD) or cross- machine direction (XD)]. 3/ Values represent the maximum average roll value. In addition, the allowable strength of the fabric shall meet or exceed the minimum tensile strength (T min) specified on the plans. The ultimate tensile strength of the fabric (T ult) used to determine the allowable strength of the fabric shall be determined from the wide width tensile tests specified in ASTM D 4595 and shall be the minimum average roll value (MARV) in the weaker principle direction [machine direction (MD) or cross-machine direction (XD)]. The strength of the geotextile shall meet the requirements determined by the Contractor’s approved design. Art. 1081.01 Materials for Planting SECTION 1081. MATERIALS FOR PLANTING
1081.01 Trees, Shrubs, Evergreens, Vines, and Seedlings. Trees, shrubs,
evergreens, vines, and seedlings shall be according to the standards adopted by the ANLA.
a.Quality of Plant Material.
1.Plants shall be first class nursery grown representatives of their normal species and varieties. They shall have average or normal well developed branches, together with vigorous root systems. Plants shall be free from insects, diseases, sun scald, knots, stubs, or other objectionable disfigurements. Thin, weak plants will not be accepted.
2.Trees shall be free of branches (undertrimmed) no higher from the ground line than 1/2 the total height of the tree; shall have single leaders, be well branched, and with reasonably straight stems. This requirement shall cover general species, but some varieties, which have other characteristics of growth, will be accepted.
3.Plants shall be true to their name as specified; however, substitution of plant material of equal quality, type, and size to that specified may be approved by the Engineer if acceptable material of the variety specified is not available. Permission shall be given only after a written request and proposal for substitution is received from the Contractor at least 30 days prior to the proposed planting date.
4.Wherever the word "specimen" is used, it shall denote trees which are symmetrical, exceptionally heavy, and full branched. When more than one is required, all shall be uniform in size and shape.
5.The southernmost limits for the source of plant material shall be one sub-zone south of the site of the work. The current publication of Plant Hardiness Zones from the USDA’s Agricultural Research Service shall be used to designate plant hardiness zones.
b.Measurement for Size.
1.Root System. The root system of all plants shall be sufficient to ensure plant growth.
a.Bareroot Trees. All bareroot trees shall have a heavy fibrous root system that has been developed by proper cultural treatment, transplanting, and root pruning.
b.Bareroot Shrubs. All bareroot shrubs shall have a well-branched fibrous root system.
2.Container Grown Plants. Container grown plants shall be well rooted and established in the container in which they are growing. They shall have grown in the container for a sufficient length of time for the root
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Source: Illinois Standard Specifications for Road and Bridge Construction, 2022 Edition. Pages 1050–1057 of 1,217. View official source ↗