233Mulch for Woody Plant Material

233.01 Description. This work consists of furnishing, transporting, placing, and

maintaining the kinds of mulch specified in accordance with the re quirements of these specifications and in reasonably close conformity with the dimensions and details shown on the plans or established.

233.02 Materials. The mulch for woody plant mate rials shall meet the applicable

requirements of Subsection 715.07. Tree Bark Mulch, Type III used for plant pits (multiple plants in one bed area) and plant holes outside of plant pit areas shall meet the requirements of Subsection 715.07. Tree Bark Mulch, Type V used for the surface mulching plant holes and plan t pits shall meet the requirements of Subsection 715.07. Straw mulch delivered in bales shall be commercially available baled straw with an approximate length of 32 inches.

233.03 Construction Requirements.

233.03.1 General. All work shall conform to good horticultural practices.

233.03.2 Placement. The specified kinds of mulc h shall be placed uniformly on

designated areas within 24 hours following pl anting. The areas to be mulched shall be free of undesirable debris and weeds or grass. The mulch shall be placed to the specified depth by an approved method and in a manner that will present a neat uniform appearance. The mulch shall be kept within the designated areas without undue scattering. The areas to receive mulch and the rates of application will be shown on the plans or designated by the Engineer. The tolerances from the specified rates will be as determined by the Engineer to be reasonable.

233.03.3 Protection and Maintenance . The Contractor shall maintain and protect

mulch areas until release of maintenance of the project. The Contractor shall take every