Specifications include, but are not limited to: Work is a group as follows: a. Hardwoods, specifically, all deciduous trees such as banyans, monkey pods, mangoes, eucalyptus, ear pods, kiawe, etc. i. Tree Trimming/Pruning. Unit cost for tree trimming shall include light trimming (crown thinning) and heavy trimming (crown reduction) combined. (a) Light trimming shall include the removal of selected live, as well as all dead, diseased, and weakly-attached branches to increase light penetration and air movement through the crown. Side pruning of trees adjacent to buildings, utility poles and lines, and signs will be included in this item also. Refer to the Appendices for graphical illustration. (b) Heavy trimming (crown reduction) shall be used to reduce the size of a tree. No "topping" of a tree will be permitted, unless specifically authorized by the Engineer. This work shall generally involve the cutting of limbs back to laterals that are at least 1/3 the size of the parent limb (drop-crotch pruning). All dead, diseased, and weakly-attached branches should be removed. Refer to the Appendices for graphical illustration...
