1990-015 Council Ordinances - Laserfiche WebLink

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treated with a suitable tree wound dressing. g. All tools being used on a tree suspected to be infected with a contagious disease shall be disinfected before being used on another tree. h. Whenever streets are to be blocked off to public service, police and fire departments shall be notified of the location and length of time the street will be blocked. Notification shall be given these departments upon the removal of such barriers or if such barriers are to remain longer than originally expected. i. To protect the public from danger, suitable street and sidewalk barriers, highway cones, or signs shall be used when pruning a tree. Flashing signals or flares shall be placed on all barriers or obstructions remaining in the street after dark. j. The stumps of all removed trees shall be cut to at least three (3) inches below the ground, and soil shall be replaced and the area leveled. If the area where the tree is removed is to be paved, the tree should be cut or stump removed at least six 6 inches below the ground. 2. Spraying a. Suitable precautions shall be taken to protect and warn the public that spraying is being done. b. Spraying shall be done only for the control of specific diseases or insects, with the proper materials in the necessary strength, and applied at the proper time to obtain the desired control. All spraying practices shall conform to federal and state regulations. c. Dormant oil sprays shall not be applied to sugar maple, Japanese maple, beech, flowering dogwood, hickory, walnut, and most crab apple trees. Dormant oil sprays shall be applied to other trees only when the air temperature is 40 F or above and when it is not likely to drop below this temperature for a period of twenty-four (24) hours. 3. Fertilization a. Fertilization of public trees shall follow the National Arborist Association or other accepted arboricultural standards. b. Formulations, rates, and methods of application of fertilizers shall be specified by the Municipal Forester. 4. Cavities a. Extensive cavity work should be preformed on trees only if they are sufficiently high in value to justify the cost. All cavity work shall conform to the National Arborist Association or other accepted arboricultural standards. 5. Cabling and Bracing a. As a general rule, cables should be placed approximately two-thirds (2/3) of the distance between the crotch and top branch ends. Rust -resistant cables, thimbles, and lags should be used. The ends of a cable should be attached to hooks or eyes of lags or bolts, and thimbles must be used in the eye splice in each end of the cable. In no instances shall cable be wrapped around a branch. b. All cabling and bracing practices with screw rods shall • • •