Organic Matter Content AASHTO T 267 90 percent minimum Seed Germination ASTM D 7322 Long Term Enhancement 420 percent minimum 9-14.4(2)B Moderate-Term Mulch This section is revised to read: Within 48 hours of application, the Moderate-Term Mulch shall bond with the soil surface to create a continuous, absorbent, flexible, erosion-resistant blanket. Mulch shall effectively perform the intended erosion control function in accordance with Section 8-01.3(1) for a minimum of 3 months, or until temporary vegetation has been established, whichever comes first. Moderate-Term Mulch shall not be used in conjunction with permanent seeding. 9-14.4(2)C Mulch This section is revised to read: Short-Term Mulch shall effectively perform the intended erosion control function in accordance with Section 8-01.3(1) for a minimum of 2 months, or until temporary vegetation has been established, whichever comes first. Short-Term Mulch shall not be used in conjunction with permanent seeding. 9-16.AP9 Section 9-16, Fence and Guardrail August 6, 2018 9-16.3(1) Rail Element The last sentence of the first paragraph is revised to read: All rail elements shall be formed from 12-gage steel except for thrie beam reducer sections, reduced length thrie beam rail elements, thrie beams used for bridge rail retrofits, and Design F end sections, which shall be formed from 10-gage steel. 9-16.3(5) Anchors The last paragraph is revised to read: Cement grout shall conform to Section 9-20.3(4) and consist of one part portland cement or blended hydraulic cement and two parts sand. 9-18.AP9 Section 9-18, Precast Traffic Curb April 2, 2018 9-18.1(1) Aggregates and Proportioning Item number 1 of the paragraph is revised to read: 1. Portland cement or blended hydraulic cement shall conform to the requirements of Section 9-01 except that it may be Type I portland cement conforming to AASHTO M 85.
Organic Matter Content AASHTO T 267 90 percent minimum Seed Germination Enhancement ASTM D 7322 Long Term 420 percent minimum 9-14.4(2)B Moderate-Term Mulch This section is revised to read: Within 48 hours of application, the Moderate-Term Mulch shall bond with the soil surface to create a continuous, absorbent, flexible, erosion-resistant blanket. Mulch shall effectively perform the intended erosion control function in accordance with Section 8-01.3(1) for a minimum of 3 months, or until temporary vegetation has been established, whichever comes first. Moderate-Term Mulch shall not be used in conjunction with permanent seeding. 9-14.4(2)C Mulch This section is revised to read: Short-Term Mulch shall effectively perform the intended erosion control function in accordance with Section 8-01.3(1) for a minimum of 2 months, or until temporary vegetation has been established, whichever comes first. Short-Term Mulch shall not be used in conjunction with permanent seeding. 9-16.AP9 Section 9-16, Fence and Guardrail August 6, 2018 9-16.3(1) Rail Element The last sentence of the first paragraph is revised to read: All rail elements shall be formed from 12-gage steel except for thrie beam reducer sections, reduced length thrie beam rail elements, thrie beams used for bridge rail retrofits, and Design F end sections, which shall be formed from 10-gage steel. 9-16.3(5) Anchors The last paragraph is revised to read: Cement grout shall conform to Section 9-20.3(4) and consist of one part portland cement or blended hydraulic cement and two parts sand. 9-18.AP9 Section 9-18, Precast Traffic Curb April 2, 2018 9-18.1(1) Aggregates and Proportioning Item number 1 of the paragraph is revised to read: 1. Portland cement or blended hydraulic cement shall conform to the requirements of Section 9-01 except that it may be Type I portland cement conforming to AASHTO M 85.
2018BookAmendments.docx