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Roadside Development (800-899)

809SODDING

PA · 2026 Standard SpecificationsBook pages 761762View official source ↗

808.2(b) 808.2(f)

(b)Antidesiccant/Antitranspirant. ASTM E96 in liquid form.
(c)Fertilizer. 20- 10-5 tablets (10 gram), 16- 8-16 packets, and 19- 6-12 fertilizers conforming to the

requirements of Section 804.2(a)2. When using packets , use in 4- ounce, individual, heat -sealed, polyethylene envelopes. Application rates are as shown on the Standard Drawings or as directed.

(d)Mulch. Section 805.2(a)2
(e)Backfill Mix for Planting or Transplanting. A uniform mixture of one part peat or compost material,

as specified in Section 808.2( f), and three parts soil by volume that was removed from the planting pit. Where it is determined by the Representative that wet and poorly drained planting conditions exist, backfill with soil removed from the planting pit. The ratio of peat to soil for plants requiring an acid soil is one part peat to two parts soil by volume.

(f)Soil Amendments.
1.Peat. Shredded reed sedge peat or sphagnum moss peat, or a combination of both, from freshwater

sites. Do not use peat material in an advanced stage of decay. Provide peat material, conforming to the following requirements:

• Minimum of 80% organic matter.*

• Maximum of 15% ash content.*

• Minimum of 400% water holding capacity.*

• Maximum delivered density of 30 pounds per cubic foot.

• pH—4.5 to 6.0 (use laboratory analysis to indicate the liming required).

* Oven dry basis.

Submit a laboratory analysis of the peat intended for use. Do not ship peat material to the project until acceptance is received.

2.Paper Mill Compost. A blend of fibrous bark fines and wood- pulp fibers, composted, free of foreign

material and substances toxic to plant growth, and conforming to the following requirements:

• Minimum of 70% organic matter.*

• Maximum of 25% ash content.*

• Minimum of 200% water holding capacity.*

• Particle size —1/2 inch maximum.

• Free of weeds.

• pH—7.0 ± 0.5.

* Oven dry basis.

Submit a certified laboratory analysis with each shipment.

3.Sewage Sludge Compost. A blend of composted sewage sludge and wood chips, conforming to
4.Compost. Decomposed product derived from agricultural, food and yard organic matter source.

Composted at a DEP, Bureau of Waste Management permitted site under industry standards and U.S. EPA regulations, to provide a stable, weed free, nontoxic, soil amendment with a non -objectionable odor, and conforming to the following requirements:

• moisture content —35 to 55%

• trace elements and heavy metals —meet U.S. EPA Part 503 Exceptional Quality

Concentration Limits

• particle size— pass 1- inch standard screen

Source: Pennsylvania Department of Transportation Specifications, 2026 Edition. Pages 761762 of 1,522.