Section 231 Section 231 At the end of the second planting season and after all ordered replacement seedlings have been properly planted and the survival rate at the end of the first growing season was determined to exceed 75 per cent for one or more of the individual species, sizes and types, the same percentage of the unit price will be allowed as the survival rate, but not to exceed 80 percent. At the end of the second growing season, 90 percent of the unit price will be allowed for surviving seedlings, trees and shrubs. Upon release of maintenance, 100 percent of the unit price will be allowed for surviving seedlings, trees and shrubs meeting the requirements of the contract.
231.05 Basis of Payment . Seedlings of the type specifi ed, measured as provided above,
will be paid for at the contract unit price per thousand, which price shall be full compensation for co mpleting the work. Payment will be made under: 231-A: Seedlings, Designation - per thousand SECTION 232 - FERTILIZER FOR WOODY PLANT MATERIAL
232.01 Description . This work consists of furnishing, transporting, and placing
fertilizer under or around the roots of trees, shrubs, liner plants, and other plant materials in accordance with th e requirements shown on the pl ans and in these specifications.
232.02 Materials . The fertilizer for woody plant materials shall meet the requirements
of Subsection 715.08.
232.03 Construction Requirements . Unless otherwise specifi ed, the Contractor will
have the option of using fertilizer packets or tablets. A one-ounce packet is equivalent to four five-gram tablets; two ten-gram tablets; or one twenty-one-gram tablet. The required number and size of packets or tablets for each type of plant material will be specified on the plans. When using packets, they shall be placed beneath the roots in the backfill material during the planting operation. Care shall be taken to ensure that packets remain unopened and lie in a horizontal position. When using tablets, the plant shall be positioned in the plant hole and backfilled no higher than halfway up the root ball. The sp ecified number of tablets, designated on the plans or determined by the Engineer, shall be spaced approximately equal distances around and immediately adjacent to the root ba ll. The backfilling operation shall then be completed in accordance with the planting specifications.
232.04 Method of Measurement . Fertilizer for woody plant material will be measured
by the thousand tablets or packets. Fertilizer tablets, placed as specified and accepted, will be measured in place by the thousand tablets. Fertilizer packets, placed as specified and accepted, will be measured in place by the thousand packets. In the event fertilizer tabl ets are substituted for fertilizer packets as provided in Subsecti on 232.03, the quantity of tabl ets placed and accepted will be converted to packets and included in the measurement for payment for fertilizer packets.
232.05 Basis of Payment . Fertilizer for woody plant material, measured as prescribed
above, will be paid for at the contract unit price per thousand tablets or per thousand packets, as specified. Prices thus paid shall be full compensation for completing the work. Payment will be made under: 232-A: Fertilizer for Woody Plant Material, Designation, Size - per thousand SECTION 233 - MULCH 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