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1. Maintenance of the ornamental ball located at the base of the palm canopy, <br />directly below the live fronds, shall be as described by species as follows: <br />1 Date Palm (Phoenix dactylifera): spent petiole bases are left to form a supportive <br />"base" below the lowest green fronds of the crown. Unlike the ornamental ball of <br />a Canary Island Date Palm (Phoenix canariensis), the base does not require <br />ornate shaping, Instead, spent petiole bases are left uniformly long to form the <br />base of the canopy, which shall extend no less than four (4) and no more than six <br />(6) feet below the lowest [Iva frond In the crown. The Contractor may use a <br />chainsaw In forming and/or shaping the base of a Date Palm by shortening a <br />number of the lower petiole bases to bring the length of the nut to standard. The <br />Contractor shall use care not to out into live trunk tissue while maintaining the <br />nut. The Contractor shall verify that the base meets the standard described <br />herein each time a Date Palm is pruned, <br />(4) The specifications for the pruning of King Palm trees are as follows: <br />Maintenance of the ornamental ball located at the base of the palm canopy, <br />directly below the live fronds, shall be as described by species as follows: <br />1 King Palm (Arohontophoanix cunninghamiana): loose petiole bases are to be <br />removed each time the crown of e King Palm is serviced, Petiole bases that are <br />attached to live trunk tissue shall be left undamaged. <br />(5) The specifications for the pruning of Mexican Fan Palm trees are as follows: <br />Maintenance of the ornamental ball located at the base of the palm canopy, <br />directly below the live fronds, shall be as described by species as follows: <br />2. Mexican Fan Palm (Washingtonia robusta): spent petiole bases are left uniformly <br />long to form a base which shall extend no more than four (4) feet below the <br />lowest live frond in the crown. Using hand tools, the Contractor shall verify that <br />the base meets the standard described herein each time a Mexican Fan Palm is <br />pruned. <br />(6) The specifications for the pruning of California Fan Palm trees are as follows: <br />Maintenance of the ornamental ball located at the base of the palm canopy, <br />directly below the live fronds, shall be as described by species as follows: <br />2. California Fan Palm (Washingtonia filifera): spent petiole bases are left uniformly <br />long to form a nut which shall extend no more than eight (5) feet below the lowest <br />live frond in the crown. The Contractor shall verify that the base meets the <br />standard described herein each time a California Fan Palm Is pruned. <br />(7) The specifications for the pruning of Windmill Palm trees are as follows: <br />Maintenance of the ornamental ball located at the base of the palm canopy, <br />directly below the live fronds, shall be as described by species as follows: <br />2. Windmill Palm (Trachycarpus fortunei): Live, healthy fronds, initiating at an angle <br />of 90 degrees or greater from the horizontal plane, shall not be removed. Fronds <br />removed should be cut close to the petiole base, taking into consideration the <br />role of petiole bases in the formation and maintenance of the ornamental ball at <br />the base of the canopy, as applicable by species. <br />