977 806- 5 Basis of Payment: The accepted quantities of trees, shrubs and plants, measured as provided above, will be paid for at the contract lump sum price or contract unit price each for the pay unit designated in the bidding schedule, complete in place. No measurement or direct payment will be made for plants selected for inspection and not planted or for the care and protection of trees, shrubs and plants prior to the beginning of the Landscaping Establishment period, the costs being considered as included in the prices paid for plants accepted and paid for under the various contract bid items. 807- 1 Description: The work under this section shall consist of the care of all stock in accordance with accepted horticultural practices; keeping all areas free of weeds, grasses and construction related debris; applying all irrigation water; repairing, adjusting or replacing stakes and guys; repairing public or weather damage; furnishing and applying sprays, dust and/or cages to combat vandalism, disease, insects and other pests; pruning as required by the Engineer; and the testing, adjusting, repairing and operating of irrigation systems; as shown on the project plans and in accordance with the requirements of these specifications. 807- 2 Materials: Materials necessary for the establishment of seeding and planted stock, and the operations of irrigation systems shall be furnished by the contractor and shall conform to the requirements of these specifications and the Special Provisio ns. The contractor shall notify the Engineer and obtain prior approval for the use of any chemicals for weed control or eradication. 807- 3 Construction Requirements: 807- 3.01 General: The work period for landscaping establishment shall be the number of calendar days specified in the Special Provisions. The work period shall begin after all other work under the construction phase of the project has been completed and only when the Engineer is assured that the work can be performed in a continuous and consistent manner without restricting the use of any facilities by the traveling public. Each month the contractor shall submit a work schedule of operations for approval by the Engineer. The work schedule shall show the dates TABLE OF CONTENTS INDEX 978 of work to be completed, including the dates of replanting, weed control, pruning, staking and guying, furnishing and applying sprays and dust to combat diseases, insects, and other pests, and irrigation testing or other work required by the Engineer. Each calendar day during whi ch the Engineer determines that no work under landscaping establishment is required, and the contractor is so advised, regardless of whether or not the contractor performs landscaping establishment work, will be used to reduce the total number of calendar days specified. Each calendar day during which the Engineer determines that work under landscaping establishment is required, and the contractor is so advised, and the contractor fails to accomplish the required work, will not be used to reduce the total number of calendar days specified. Thirty calendar days after the beginning of the landscaping establishment period and at the end of each additional 30 calendar days the Engineer, accompanied by the contractor, will inspect all landscaping items, planted stock and irrigation systems. The Engineer will notify the contractor at least one week in advance of the date for each inspection. The final inspection will be made approximately 21 calendar days prior to the expected termination of the landscaping establishment period. A special inspection shall be performed at anytime during the landscaping establishment period when, in the opinion of the Engineer, conditions justify such action. The contractor will not be required to keep planted areas cleared of trash and debris unless such trash and debris is a result of its operations. If, in the opinion of the Engineer, trash and debris has been deposited within the planted areas, not as a result of the contractor's operation, and such trash and debris is detrimental to the health and proper development of the plant material, the Engineer may require the contractor to clear the areas of this material. Payment for removal of trash and debris deposited within the planted areas, which is not a result of the contractor 's operation, will be made in accordance with the requirements of Subsection 104.02 of the specifications. The contractor's responsibility for the work during landscaping establishment shall be in accordance with the requirements of Subsection 104.10 of th e specifications. All unacceptable planted stock, irrigation components and/or other work discussed at the monthly inspection and monthly irrigation testing shall be removed, replaced and/or repaired, as directed by the Engineer, at no additional cost to the Department within 21 calendar days from the date of the inspection. Payment for replacement of planted stock or irrigation components damaged by traffic or vandalism during landscaping establishment will be made in accordance with the requirements of Subsection 104.02 of the specifications. The contractor shall notify the Engineer in writing when the replacement work has been performed. TABLE OF CONTENTS INDEX 979 All erosion which occurs within decomposed granite, granite mulch and rock mulch areas shall be immediately repaired by the contractor to maintain the final grade in reasonably close conformity with the lines and grades shown on the project plans or as established by the Engineer. Erosion repair work shall be completed before the next monthly inspection and at no addit ional cost to the Department. All electrical power required to maintain the landscaping will be supplied to the contractor at no charge during landscaping establishment. Electrical power used for electrical equipment and tools, and/or for the contractor's temporary offices shall be paid for by the contractor. 807- 3.02 Planted Stock and Seeding Establishment: All dead or unhealthy plant stock shall be removed and replaced, as directed, at no additional cost to the Department, within 48 hours from the date of the inspection and the contractor shall notify the Engi neer in writing when the replacement work has been performed. Stock furnished for replacement shall be of the same size and species as originally specified. Unhealthy plant material may be corrected by the use of chemical and fertilizer applications wher e and when approved by the Engineer. After the final inspection and when all dead or unhealthy stock has been removed and, if directed, replaced, the contractor will then no longer be responsible for the replacement of plant stock. In case of certain plant stock found to be dead or unhealthy at the inspections specified above, the contractor may be ordered to remove certain dead or unhealthy plant stock and may be ordered not to replace such plant stock when nonreplacement would not adversely affect the planting design. The initial furnishing and planting, and the subsequent removal of such plant stock ordered removed and not replaced shall be at no additional cost to the Department. All unpaved areas within the right -of-way shall be kept cleared of weeds and other undesirable vegetation unless otherwise specified in the Special Provisions. The control of weeds shall be accomplished either with herbicides or by manual methods. The types of herbicides to be u sed and the methods of application shall conform to Environmental Protection Agency requirements and labeling instructions, and shall be as approved by the Engineer. The contractor shall keep a record of all applications; the type of herbicides used, such as pre - or post -emergent; the rate and method of applications; and the date and location of such applications. A copy of this record shall be submitted to the Engineer after each application. All grasses or weeds shall be eradicated by spraying with a suitable herbicide and removing by manual means. TABLE OF CONTENTS INDEX 980 Any person or persons applying pesticides will be considered as doing so for hire and shall be required to be licensed in accordance with the requirements of A.R.S. Title 3, Chapter 2, Article 6, Section 3- 377. Lawn areas shall be mowed, weeded, edged and trimmed in accordance with standard horticultural procedures. Watering and fertilizing of lawns shall be done at intervals necessary to maintain a uniform, healthy, desirable green color and sturdy growth. The contractor shall water and maintain seeded areas to provide a uniform and satisfactory stand of grass. To be acceptable, lawns shall have a good, uniform color and sturdy growth. At least 98 percent of the area designated to be planted shall have an acceptable lawn. 807- 3.03 Irrigation System Establishment: The irrigation system shall be tested, adjusted, repaired, and operated in the manner in which it was designed to function. Components such as backflow prevention units and pressure reducing valves as well as all other appurtenances shall function properly in accordance with the requirements of the design and the Special Provisions, together with the recommendations of the manufacturer. No change in the system as it was accepted under the contract shall be made without written approval of the Engineer. During landscaping establishment, emission points of emitters shall be repositioned as directed by the Engineer. Additional tubes shall be installed where necessary, as directed by the Engineer. Staking of additional tubes shall be done in accordance with the details shown on the project plans. The irrigation system shall be tested within one week prior to each scheduled inspection. Testing of the various components shall be as specified in the Special Provisions or as directed by the Engineer. The contractor shall keep a record of the results of all testing and shall submit a copy of these results to the Engineer upon completion of each test. 807- 4 Method of Measurement: Landscaping establishment will be measured on a lump sum basis or per month, as listed in the bidding schedule. 807- 5 Basis of Payment: The accepted quantity of l andscaping establishment, measured as provided above, will be paid for at the contract lump sum price or at the contract unit price per month, which price shall be full compensation of the work, complete in place.
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