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SECTION XXIV <br /> SANTA ANA ZOO <br /> A. Santa Ana Zoo (Zoo) <br /> The Santa Ana Zoo was established in 1952 and is a 20 acre zoological park and botanical garden. <br /> Due to the sensitivity of the animals at the zoo and unique plantings, there are some variances <br /> from the standard Grounds-Landscape Specification. The following special maintenance shall be <br /> performed for the Zoo site only. <br /> 1. The Contractor shall use electric-powered equipment in the course of providing <br /> service at the Zoo. Gas powered equipment is not allowed unless approval is granted <br /> by the CR. <br /> 2. All turf at the Zoo is considered casual turf. Casual turf at the Zoo shall be mowed <br /> using a Mean Green Mowers EVO or equivalent commercial electric mower as <br /> approved by the CR. <br /> 3. The interior courtyard adjacent to the cafe and playground sees the highest use levels <br /> of all turf areas at the facility. This location should be overseeded and renovated as <br /> needed throughout the year to maintain consistent turf quality, aesthetics, and <br /> provide the highest amount of usability for visitors. This should be coordinated with <br /> the CR for the Zoo. <br /> 4. Tree Edging No-Mow Turf- Trees maintained with natural no-mow lawns (i.e. Carex <br /> sp.) shall not have shovel cuts around trees. <br /> 5. All mulch at the Zoo shall be 2" minus composted mulch applied to a 2" thickness <br /> unless approved by the CR. Mulch shall not cover root flare of trees and the base of <br /> shrubs leading to plant health issues. <br /> 6. To lessen the impact on daily Zoo operations and provide the best well-being for the <br /> animals, tree pruning specifications include trees up to 30' height with DBH less than <br /> 18". This is restricted to the interior of the Zoo and immediately adjacent to animal <br /> habitats. This specification allows for ornamental pruning of small and moderate <br /> sized trees to occur throughout the year along with routine landscape maintenance <br /> services. This has the effect of spreading out the burden on the facility and drastically <br /> reduces the amount of time areas need to be closed off to the public. Large trees and <br /> trees outside the public areas are not included. Please see attached diagram for a <br /> map. <br /> 7. An ISA TRAQ Certified Hazardous Tree Professional shall evaluate all Zoo trees and <br /> provide a written report using the Arbor Access Tree Management Software program <br /> (or an approved equal) one time only within six months of the start of the contract. <br /> 8. Tree Establishment — "Treegator" Slow Release Watering Bags or similar shall be <br /> provided for newly planted trees as determined by the CR, Gator Bags shall be filled <br /> weekly for the first two growing seasons. <br /> 9. California Natives and Drought Tolerant Shrubs- Selectively prune and trim all native <br /> plants during appropriate seasons to ensure pedestrian paths, walkways and <br /> sidewalks are not impeded or as necessary based on best horticultural practices. <br /> (i.e. Romneya coulteri pruned to 6" in late summer or fall, Salvia clevelandii pruned <br /> in fall, Zauschenria sp. established plants cut back hard in winter after flowering. <br /> 10. Bamboo - Dead, old, small, leaning or misshapen culms shall be removed annually. <br /> Cuts shall be made as close to the ground as possible and straight across so there <br /> RFP 23-151 Landscape Maintenance Services Page 73 of 135 <br />