756Payment will be made under: —————————————————————————————Pay Item Pay Unit—————————————————————————————Selective tree removal, trimming, and cleanup Acre————————————————————————————— SECTION 602—TOPSOIL
602.01 Description
This work shall consist of applying topsoil in accordance with these specifications and in conformity with the depths and limits shown on the plans or as established by the Engineer. In the case of Class B topsoil this work shall also involve furnishing topsoil to the project site.
602.02 Materials
a.Class A topsoil shall conform to Section 244.02(b)1.
b.Class B topsoil shall conform to Section 244.02(b)2.
602.03 Procedures
a.Submittals: When is specified, the Contractor shall submit soil test reports to the Engineer in accordance with Section 244.02 (b).
b.Preparing Areas to Receive Topsoil: The Contractor shall grade and shape areas designated to receive topsoil and then scarify by disking, harrowing, or other approved methods to a depth of approximately 2 inches unless otherwise designated on the plans or directed by the Engineer. Topsoil shall only be applied when the subsoil is in a loose, friable condition. Subsoil on slopes that have been horizontally grooved in accordance with the plans shall not be loosened.
c.Applying Topsoil: The loose depth of topsoil shall be sufficient to allow the area to conform to the elevations shown on the plans after topsoil settles. If not applying screeded material, the Contractor shall remove large clods, hard lumps, stones larger than 3 inches in diameter, brush, roots, stumps, litter, and foreign material from the area after topsoil has been applied. Where residential or com - mercial yards exist adjacent to the work, the size of the large clods, hard lumps, and stones shall not exceed 3/4 inch in diameter. The Contractor shall hand rake residential or commercial yards to provide a smooth mowing surface. The topsoiled area shall be ready to receive seed, sod, or plants without further soil preparation when the topsoiling operation is complete. Topsoiled areas shall be seeded within 7 calendar days after application of topsoil is completed.
602.04 Measurement and Payment
Topsoil will be measured in acres of surface area computed to the nearest 0.1 acre and will be paid for at the contract unit price per acre for the class and depth specified. For smaller areas, and those areas 601.04 757designated on the plans to receive topsoil by the cubic yard, topsoil will be measured in cubic yards and will be paid for at the contract unit price per cubic yard for the class and depth specified. This price shall include furnishing, loading, transporting, and applying topsoil; soil testing and providing test reports; preparing areas to receive topsoil; finishing such areas; and restoring damaged areas. Payment will be made under: ————————————————————————————————Pay Item Pay Unit————————————————————————————————Topsoil (Class and depth) Acre or Cubic Y ard———————————————————————————————— SECTION 603—SEEDING
603.01 Description
This work shall consist of furnishing and applying fertilizer, lime, mulch, and seed in the quantities specified to stabilize areas designated on the plans or selected by the Engineer.
603.02 Materials
a.Seed shall conform to Section 244.02(c).
b.Fertilizer shall conform to Section 244.02(d).
c.Lime shall conform to Section 244.02(e).
d.Mulches and Hydraulic Erosion Control Products shall conform to Section 244.02(g).
e.Fast Acting Lime shall conform to Section 244.02(e)2.
f.Biological Growth Stimulants shall conform to Section 244.02(n).
g.Sediment Retention Products shall conform to Section 244.02(o).
603.03 Procedures
The Contractor shall perform seeding operations at the times designated in Sections 303.03(b) and 602.03(c) unless otherwise specified. The Contractor shall not perform seeding operations when the ground is frozen or when soil or weather conditions will prevent proper soil preparation and subsequent operations. When hydroseeding is performed, nozzles or sprays shall not be directed toward the ground in a manner that will cause erosion or runoff. The Contractor shall notify the Engineer at least 48 hours prior to beginning seeding operations.
a.Preparing Soil • Slopes 3H:1V or flatter shall be loosened to a depth of approximately 3 inches by disking, harrowing, or other methods approved by the Engineer.603.03
Source: Virginia Road and Bridge Specifications, 2020 Edition. Pages 784–784 of 1,065.