No. 200 / No. 10 0 0.10 – C. Soil Reinforcement: At least three weeks prior to the start of construction the Contractor shall furnish the Engineer a Certificate of Compliance certifying that all soil reinforcement complies with the applicable contract specifications listed below, including a copy of all test results. A Certificate of Compliance shall be provided with each additional shipment of reinforcement and any time the Contractor changes the source of reinforcement. Geogrid reinforcement shall be oriented, drawn, long chain high-density polyethylene containing stabilizers and inhibitors added to the base plastic for resistance to ultraviolet and heat degradation. Geogrid reinforcements and their connection devices shall be the same connection devices and reinforcement as approved by MnDOT in the pre-qualification application of the MSE wall system. Geogrid reinforcement shall include ultimate manufacturer’s certification tensile strength ASTM D6637 quality assurance test results, at a minimum rate equal to, or greater than, the sampling rate defined in Table 2411-11 (ASTM D4354) for each type of geogrid used. Additionally, the Contractor shall provide ultimate tensile strength ASTM D6637 specification conformance test results, by an independent laboratory, at a minimum rate equal to, or greater than, the sampling defined in Table 2411-12 (ASTM D4354) for each type of geogrid used. Table 2411-11 (ASTM D4354) Geosynthetic Manufacturer Quality Assurance Testing Rates Number of Rolls in Lot* Number of Tests 1 to 2 1 3 to 8 2 9 to 27 3 28 to 64 4 65 to 125 5 126 to 216 6 217 to 343 7 344 to 512 8 513 to 729 9 730 to 1000 10 1001 or more 11 Table 2411-12 (ASTM D4354) Geosynthetic Contractor Quality Assurance Testing Rates Number of Rolls in Lot* Number of Tests 1 to 200 1 201 to 500 2 501 to 1000 3 1001 or more 4
No. 200 / No. 10 0 – 0.10 C. Soil Reinforcement: At least three weeks prior to the start of construction the Contractor shall furnish the Engineer a Certificate of Compliance certifying that all soil reinforcement complies with the applicable contract specifications listed below, including a copy of all test results. A Certificate of Compliance shall be provided with each additional shipment of reinforcement and any time the Contractor changes the source of reinforcement. Geogrid reinforcement shall be oriented, drawn, long chain high-density polyethylene containing stabilizers and inhibitors added to the base plastic for resistance to ultraviolet and heat degradation. Geogrid reinforcements and their connection devices shall be the same connection devices and reinforcement as approved by MnDOT in the pre-qualification application of the MSE wall system. Geogrid reinforcement manufacturer’s certification shall include ultimate tensile strength ASTM D6637 quality assurance test results, at a minimum rate equal to, or greater than, the sampling rate defined in Table 2411-11 (ASTM D4354) for each type of geogrid used. Additionally, the Contractor shall provide ultimate tensile strength ASTM D6637 specification conformance test results, by an independent laboratory, at a minimum rate equal to, or greater than, the sampling defined in Table 2411-12 (ASTM D4354) for each type of geogrid used. Table 2411-11 (ASTM D4354) Geosynthetic Manufacturer Quality Assurance Testing Rates Number of Rolls in Lot* Number of Tests 1 to 2 1 3 to 8 2 9 to 27 3 28 to 64 4 65 to 125 5 126 to 216 6 217 to 343 7 344 to 512 8 513 to 729 9 730 to 1000 10 1001 or more 11 Table 2411-12 (ASTM D4354) Geosynthetic Contractor Quality Assurance Testing Rates Number of Rolls in Lot* Number of Tests 1 to 200 1 201 to 500 2 501 to 1000 3 1001 or more 4
pmbw-spec.docx