Home Improvement Siding Kitchen Windows Vinyl Pools Patio Security 0188

Section 20 - Landscaping

20-3.01 Seeding and Fertilizing

Seeding and fertilizing shall conform to the Special Provisions and these Specifications.

If the Contractor elects to hydroseed, a minimum of fifteen hundred (1,500) pounds of fiber

per acre shall be mixed and applied with the seed, and fertilizer (if required) may be mixed with

the seed and fiber and applied in the hydroseeding operation.

The Contractor shall scarify to a depth of six inches (6”) and uniformly fine grade so that

proper drainage of the entire ground cover is assured. All rocks, soil lumps, and other

deleterious materials larger than one inch (1”) shall be removed and the area raked smooth.

The Contractor shall avoid any compaction of the soils after treatment, and shall not permit

traffic over such areas. In case of such compaction, the areas shall be recultivated by the

Contractor, at the Contractor’s expense.

Areas to be treated for weed control shall be treated as shown or specified in the Contract .

Equipment for hydroseeding application shall have a built-in agitation system with an

operating capacity sufficient to agitate, suspend, and homogeneously mix a slurry of fiber,

fertilizer, seed, and water. The discharge line shall provide even distribution of the slurry on the

slopes to be seeded. The slurry tank shall have a minimum capacity of one thousand (1,000)

The slurry preparation shall begin by adding water to the tank. When the water level has

reached the height of the agitator shaft, the stabilizing agent shall be added. Seed and fertilizer

shall then be added, followed by the fiber mulch. The combined materials shall then be

uniformly blended prior to application. Spraying shall commence within two (2) hours after the

The Contractor shall perform hydroseeding during calm wind conditions. The operator shall

spray the slopes with a uniform, visible coat, using the color of the mulch as a guide. The slurry

shall be applied in a sweeping motion to allow the fibers to build on each other, until a good coat

is achieved. Unless otherwise specified in the Special Provisions, the application rates shall be:

Application Rate per Acre

See Plans or Special Provisions

Stabilizing Emulsion

As approved by the Agency

20-3.02 Measurement and Payment

The quantity of erosion control to be paid for by the square foot, square yard, acre or as

designated in the Contract will be calculated on the basis of actual or computed slope

The price paid per square foot, square yard, or acre includes compensation for furnishing all

labor, materials, tools, equipment, and incidentals and for doing all the work involved in

performing erosion control work and hydroseeding, complete in place, including site

preparation, hydroseeding application, and clean-up as shown on or specified in the Contract,

as specified in these Specifications, and as directed by the Agency.

This work shall consist of furnishing and installing planting materials, clearing planting areas,

preparing planting areas, planting plants and establishing plants as shown on the Plans and as

specified in these Specifications and the Special Provisions.