LANDSCAPE WEST MANAGEMENT SERVICES, INC. (9)

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SECTION XXIV SANTA ANA ZOO A. Santa Ana Zoo (Zoo) The Santa Ana Zoo was established in 1952 and is a 20 acre zoological park and botanical garden. Due to the sensitivity of the animals at the zoo and unique plantings, there are some variances from the standard Grounds -Landscape Specification. The following special maintenance shall be performed for the Zoo site only. 1. The Contractor shall use electric -powered equipment in the course of providing service at the Zoo. Gas powered equipment is not allowed unless approval is granted by the CR. 2. All turf at the Zoo is considered casual turf. Casual turf at the Zoo shall be mowed using a Mean Green Mowers EVO or equivalent commercial electric mower as approved by the CR. 3. The interior courtyard adjacent to the caf6 and playground sees the highest use levels of all turf areas at the facility. This location should be overseeded and renovated as needed throughout the year to maintain consistent turf quality, aesthetics, and provide the highest amount of usability for visitors. This should be coordinated with the CR for the Zoo. 4. Tree Edging No -Mow Turf - Trees maintained with natural no -mow lawns (i.e. Carex sp.) shall not have shovel cuts around trees. 5. All mulch at the Zoo shall be 2" minus composted mulch applied to a 2" thickness unless approved by the CR. Mulch shall not cover root flare of trees and the base of shrubs leading to plant health issues. 6. To lessen the impact on daily Zoo operations and provide the best well-being for the animals, tree pruning specifications include trees up to 30' height with DBH less than 18". This is restricted to the interior of the Zoo and immediately adjacent to animal habitats. This specification allows for ornamental pruning of small and moderate sized trees to occur throughout the year along with routine landscape maintenance services. This has the effect of spreading out the burden on the facility and drastically reduces the amount of time areas need to be closed off to the public. Large trees and trees outside the public areas are not included. Please see attached diagram for a map. 7. An ISA TRAQ Certified Hazardous Tree Professional shall evaluate all Zoo trees and provide a written report using the Arbor Access Tree Management Software program (or an approved equal) one time only within six months of the start of the contract. 8. Tree Establishment — "Treegator" Slow Release Watering Bags or similar shall be provided for newly planted trees as determined by the CR, Gator Bags shall be filled weekly for the first two growing seasons. 9. California Natives and Drought Tolerant Shrubs - Selectively prune and trim all native plants during appropriate seasons to ensure pedestrian paths, walkways and sidewalks are not impeded or as necessary based on best horticultural practices. (i.e. Romneya coulteri pruned to 6" in late summer or fall, Salvia clevelandii pruned in fall, Zauschenria sp. established plants cut back hard in winter after flowering. 10. Bamboo - Dead, old, small, leaning or misshapen culms shall be removed annually. Cuts shall be made as close to the ground as possible and straight across so there RFP 23-151 Landscape Maintenance Services Page 73 of 135