857.01 General.
TEMPORARY TRAFFIC MARKING MATERIALS
857.01 General.
The Department has established a list of products approved for use through field tests. These products can be found on List V -3, Temporary Traffic Marking Materials. Information concerning this list is given in Subarticle 106.01(f) and ALDOT -355. The Contractor may choose from any of these products, unless otherwise noted. Although the product durabi lity has been approved, acceptance of the material will still be based on laboratory testing as outlined in List V -3 and the Department's Testing Manual. SECTION 860 ROADSIDE IMPROVEMENT MATERIALS
860.01 Seed.
a.Pure Seedings .
1.Testing and Certification . Seeds shall be certified by an Official Seed Certifying Agency. Seeds shall have been tested within nine months prior to use. Each kind of seed shall be separatel y packed and delivered to the project in a seed -tight bag. Each bag shall bear a tag or label bearing the seal of the Official Seed Certifying Agency. The analysis of the seed (% pure seed, % germination, date tested, etc.) shall be attached to each bag. Seed shall be at least 95 % pure seed of the required type. Seed for lespedezas shall have a minimum germination rate of 80 %. Seed for all other species shall have a minimum germination rate of 85 %.
2.Sampling and Verification Testing. Samples of seeds may be taken at any time by the Engineer. Tags or labels that have the analysis of the seeds will be placed with the samples taken by the Engineer. The samples will be stored by the Engineer until a satisfactory stand of grass is obtained. If it is appare nt that germination or other problems exist in the establishment of the ground cover, the samples will be submitted to the Alabama Department of Agriculture for testing.
3.Hulled and Scarified Seeds . Bermudagrass may be either hulled or unhulled as shown in the table of seed mixes. Sericea Lespedeza shall be hulled and scarified. Annual Lespedeza (Kobe), White Dutch Clover, and Reseeding Crimson Clover shall be hulled.
4.Coated Seeds . Coated seeds will not be accepted for planting unless noted otherwise on the plans.
b.Seed Mixes Designated for Areas of Frequent Mowing . Some seed mixes are designated for "AREAS SUBJECT TO FREQUENT MOWING". Areas subject to frequent mowing are roadway shoulders, medians and front slopes flatter than 3:1 extending 60 feet beyond the edge of pavement or to the toe of the front slope whichever is less. All other areas designated for seeding shall be considered to be "AREAS NOT SUBJECT TO FREQUENT MOWING".
c.Planting Zones . The State of Alabama is divided into three planting zones as shown in the following table:
Source: Alabama Standard Specifications for Highway Construction, 2022 Edition. Pages 785–784 of 934.