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Roadside Development (800-899)

802TOPSOIL FURNISHED AND PLACED

PA · 2026 Standard SpecificationsBook pages 731731View official source ↗

804.2(b) 804.2(d) Total Nitrogen (TN) — 38.0% minimum Cold Water Insoluble Nitrogen (WIN) — 25.0% minimum Activity Index (AI) — 40.0% minimum Urea Nitrogen — 3.5% minimum • 32-0-0 to 38 -0-0 sulfur coated urea with a 7 -day dissolution range of 20% to 30%

• 31-0-0 IBDU — Coarse grade (28 mils to 98 mils) • Water Insoluble Nitrogen (WIN) — 27.0% minimum

(c)Seed.
1.General. Seed c onforming to the regulations of Chapter 71 – Seed of the Pennsylvania Seed Act 164

of 2004, effective January 29, 2005, and amendments . Meet other applicable regulations of the Seed, Testing and Certification Programs of the Pennsylvania Department of Agriculture (PDA) , Bureau of Plant Industry. Provide seeds that have been tested and approved for the specified seed formula’s purity, germination, and weed seed analysis limits and othe r applicable PDA rules for seed testing. Provide certified seed for all Kentucky Bluegrass, Perennial Ryegrass, Creeping Red Fescue, Chewings Fescue, and Hard Fescue varieties submitted for each seed formula. Provide pr emixed seed mixtures from a licensed seed distributor/seed mixing company located within the State and mixed under the supervision of the PDA for the designated Table B seed Formulas B, L, and

T.Use only seed that has an approved seed inspect or’s tag or label signed by a PDA inspector sewn or

stapled to the outside of each seed bag or other container in a conspicuous place. Pressure sensitive labels may be used on paper or plastic containers . Purchase native seed mixtures from vendors with a Pennsyl vania seed dealer’s license. Provide original seed tags from each bag to the Representative. Seed mixtures may also be mixed to project specifications at the project site for special seed formulas or mixtures not specified in Table A, if all specified seed species have been previously inspected, tested, and approved by PDA for the designated purit y, germination, weed seed limits, or pure live seed analysis. Mix the seed species to the designated formula or mixture specifications under Department supervision. Do not use seed from containers that have not been properly sealed. Do not use seed that has a sell - by date of more than 15 months from the date of the inspection test, exclusive of the month of the test . The Department may reject or request re- testing for any questionable seed delivered to the project.

2.Standard Seed Formulas. According to Table B. For Formulas C, N, P, R, and W, determine which

one of the two nursery crops to use based on the planting season. Add in each of the other seeds listed at the designated rate.

3.Special Seed Formulas and Pure Live Seed. Seed for special seed formulas consisting mainly

of warm- season grasses, forbs, or wildflowers may be required to be provided in quantities ba

Source: Pennsylvania Department of Transportation Specifications, 2026 Edition. Pages 731731 of 1,522.