2007-136 - Laserfiche WebLink

Home Browse Search

rejected and shall not be incorporated into the work. Plants that have been rejected by the COUNTY shall be removed from the site by the CONTRACTOR at no cost to the COUNTY . 43 .4 Plants. For the purposes of this bid, the term "plant" refers to a hole into which at least 2 stems of an individual, viable, nursery grown plant of sea oats ( Uniola paniculata), dune panic grass (Panicum amarum), railroad vine (Ipomoea pes-caprae), and dune sunflower (Helianthus debilis) are installed. No other plant species will be accepted as substitutes under this bid. 43 . 5 Number of Seeds per Liner. The number of seeds placed in each liner will be determined through germination experiments by the CONTRACTOR such that deliverable, viable planting units with at least 2 emergent stems per liner are produced. Planting units with fewer than 2 viable stems will be rejected. 43 .6 Plant Size. Planting units shall be no less than 8 " , and no more than 16", in height, as measured from the top of the root ball to the apical meristem. Plants not meeting these size constraints will be rejected by the COUNTY. 43 . 7 Plant Age. Deliverable planting units shall be 90 days to 120 days old, as measured from the approximate time of germination. Planting units younger or older than this specification will be rejected by the COUNTY. 43 . 8 Planting Unit Depth. All planting units shall be installed at a minimum depth of 6", as measured from the top of the root ball to the sand surface. Plants not installed at or below this depth will be rejected by the COUNTY. 43 .9 Supervision of Planting. The CONTRACTOR shall provide at least one person who shall be present at all times during the installation of the dune vegetation, who shall be thoroughly familiar with the species being installed and the best methods for their installation, and who shall direct all work performed under this section. 43 . 10 Planting Methodology. The CONTRACTOR shall layout the work in 60-foot sections to ensure that the proper number of plants are planted in each section. The CONTRACTOR may attempt to achieve a natural look by not planting in straight rows and by modifying the spacing requirements t6" for up to 20% of the plants in each zone. 43 . 11 Fertilization. Each plant used in the restoration project shall be fertilized at the time of planting with a controlled slow release granular type fertilizer such as Osmocote 14- 14- 14 or an equivalent approved by the COUNTY. Application of the fertilizer shall be in accordance with the manufacturer's specifications. The fertilizer shall be incorporated and secured in the planting hole. 43 . 12 Irrigation. The CONTRACTOR shall supply adequate water for the establishment of all plantings. This establishment period shall commence at the initial planting/relocation of the vegetation and shall end 90 calendar days after acceptance of the vegetation work by the TECHNICAL AND ENVIRONMENTAL SPECIFICATIONS TS-46