Common use of PROTECTION OF EXISTING TREES Clause in Contracts

PROTECTION OF EXISTING TREES. E4.1 The Contractor shall take the following precautionary steps to avoid damage from his construction activities to existing boulevard trees within and adjacent to the limits of construction: (a) All trees will have a 2.0m radius protective zone calculated from the circumference at the base of the trunk which will remain free of digging, trenching, grade changes, stock piling of materials, parking or vehicles or equipment, or other activities that could cause soil compaction throughout the duration of the Contract. Protective snow fencing complete with installation hardware demarking the protection zone is required. (b) In addition to fencing, mature tree trunks shall be strapped with 25 x 150 x 2400 (1” x 6” x 8’) wood planks to protect against bark damage. Smaller trees shall be similarly protected using appropriately sized wood planks. (c) Operation of equipment within the drip line of trees shall be kept to the minimum required to perform the work. (d) Construction operations shall be conducted so that they do not cause flooding or sediment deposition on areas where trees are located. (e) Work on Site shall be carried out in such a manner so as to minimize damage to existing tree branches. (f) Repair, replace and maintain tree protection material during construction of the Work. (g) Remove snow fencing and strapping material without harming trees as soon as the construction and restoration work is complete. E4.2 Obtain approval from the Contract Administrator to excavate within 2.0 meters of a tree. E4.3 Excavations shall be carried out in such a manner so as to minimize damage to existing root systems. Roots over 50mm in diameter which must be cut to facilitate an excavation shall be neatly pruned prior to excavation and coated with an appropriate wound dressing to prevent infection. Prune exposed roots with equipment such as trenchers, chain saws, root cutters or other methods acceptable to the Contract Administrator in a manner that will leave a neat, clean root end. Keep exposed roots in excavations and trenches moist or shaded. E4.4 Take precautions to ensure tree limbs overhanging the Site are not damaged by construction equipment. Consult the Forestry Branch on pruning of overhanging or damaged limbs and branches and other unanticipated problems with trees during construction of the Works. E4.5 All damage to existing trees caused by the Contractor’s activities shall be repaired as required by the Contract Administrator and the Forestry Branch. Damages must be repaired by an individual with a Manitoba Arborist license or by the Forestry Branch. E4.6 American elm trees are not to be pruned between April 1st and August 1st and Siberian elm trees between April 1st and July 1st of any year under provisions of The Dutch Elm Disease Act. E4.7 The Forestry Branch will remove and replace any trees deemed to have died or that are dying due to damage from carelessness during construction. Removal and replacement costs will be determined by size and market price. The market price will be a comparable transplantable tree of the same or different species or may be the appraised value of the existing tree, as determined by an evaluation procedure presently used by Forestry Branch in conjunction with City Claims Branch. The evaluation procedure is in accordance with current International Society of Arboriculture evaluation procedure. E4.8 Protection of existing trees, repair of trees and pruning of damaged limbs will not be measured for payment and will be included with Underground or Surface Works. Removal and replacement of existing trees by the Forestry Branch deemed to have died or that are dying due to damage from carelessness during construction will be at the contractor’s cost and will be invoiced or deducted from any payments owing.

PROTECTION OF EXISTING TREES. E4.1 E6.1 Tree protection measures shall be implemented at the start of construction and remain in place for the duration of construction unless otherwise authorized by the Contract Administrator. E6.2 The Contractor shall take the following precautionary steps to avoid prevent damage from his construction activities to existing boulevard trees and riverbank trees within and adjacent to the limits of constructionthe construction area: (a) All trees will have a 2.0m radius protective zone calculated from the circumference at the base The Contractor shall not stockpile materials and soil or park vehicles and equipment on boulevards or riverbanks within 2 metres of the trunk which will remain free of digging, trenching, grade changes, stock piling of materials, parking or vehicles or equipment, or other activities that could cause soil compaction throughout the duration of the Contract. Protective snow fencing complete with installation hardware demarking the protection zone is requiredtrees. (b) In addition Trees identified to fencing, mature tree trunks shall be at risk by the Contract Administrator are to be wrapped with a layer of burlap and steel wire and strapped with 25 19 x 150 140 x 2400 (1” x 6” x 8’) wood planks to protect against bark damage. Smaller trees shall be similarly protected using appropriately sized 2400mm wood planks, or suitably protected as approved by the Contract Administrator. (c) For large street trees and trees on private property adjacent to the construction limits, create a 1200 mm height HDPE snow fence buffer, colour orange, approximately in line with the overhead canopy for deciduous trees, and one metre beyond the widest branch diameter for coniferous trees. Obtain Contract Administrator approval of fence alignment. (d) Excavation shall be performed in a manner that minimizes damage to the existing root systems. Where possible, excavation shall be carried out such that the edge of the excavation shall be a minimum of 1.5 times the diameter (measured in inches), with the outcome read in feet, from the closest edge of the trunk. Where roots must be cut to facilitate excavation, they shall be pruned neatly at the face of excavation. (e) Operation of equipment within the drip line dripline of the trees shall be kept to the minimum required to perform the work. (d) Construction operations work required. Equipment shall not be parked, repaired, refuelled; construction materials shall not be stored, and earth materials shall not be stockpiled within the driplines of trees. The dripline of a tree shall be conducted so considered to be the ground surface directly beneath the tips of its outermost branches. The Contractor shall ensure that they the operations do not cause flooding or sediment deposition on areas where trees are located. (ef) Work on Site on-site shall be carried out in such a manner so as to minimize damage to existing tree branches. (f) Repair, replace and maintain tree protection material during construction of the Work. (g) Remove snow fencing and strapping material without harming trees as soon as the construction and restoration work is complete. E4.2 Obtain approval from the Contract Administrator to excavate within 2.0 meters of a tree. E4.3 Excavations shall be carried out in such a manner so as to minimize . Where damage to existing root systems. Roots over 50mm in diameter which must be cut to facilitate an excavation branches does occur, they shall be neatly pruned prior to excavation and coated with an appropriate wound dressing to prevent infection. Prune exposed roots with equipment such as trenchers, chain saws, root cutters or other methods acceptable to the Contract Administrator in a manner that will leave a neat, clean root end. Keep exposed roots in excavations and trenches moist or shadedpruned. E4.4 Take precautions to ensure tree limbs overhanging the Site are not damaged by construction equipment. Consult the Forestry Branch on pruning of overhanging or damaged limbs and branches and other unanticipated problems with trees during construction of the Works. E4.5 E6.3 All damage to existing trees caused by the Contractor’s activities shall be repaired as required by to the requirements and satisfaction of the Contract Administrator and the Forestry Branch. Damages must be repaired by an individual with a Manitoba Arborist license City Forester or by the Forestry Branchhis/her designate. E4.6 American elm E6.4 No separate measurement or payment will be made for the protection of trees. E6.5 Except as required in clause E6.2(d) and E6.2(f), Elm trees are shall not to be pruned at any time between April 1st and August 1st and Siberian elm trees between April 1st 1 and July 1st of any year under provisions of The Dutch Elm Disease Act31. E4.7 The Forestry Branch will remove and replace any trees deemed to have died or that are dying due to damage from carelessness during construction. Removal and replacement costs will be determined by size and market price. The market price will be a comparable transplantable tree of the same or different species or may be the appraised value of the existing tree, as determined by an evaluation procedure presently used by Forestry Branch in conjunction with City Claims Branch. The evaluation procedure is in accordance with current International Society of Arboriculture evaluation procedure. E4.8 Protection of existing trees, repair of trees and pruning of damaged limbs will not be measured for payment and will be included with Underground or Surface Works. Removal and replacement of existing trees by the Forestry Branch deemed to have died or that are dying due to damage from carelessness during construction will be at the contractor’s cost and will be invoiced or deducted from any payments owing.

PROTECTION OF EXISTING TREES. E4.1 E6.1 The Contractor shall take the following precautionary steps to avoid damage from his construction activities to existing boulevard trees within and adjacent to the limits of construction: (a) : All trees will have a 2.0m radius protective zone calculated from the circumference at the base of the trunk which will remain free of digging, trenching, grade changes, stock piling of materials, parking or vehicles or equipment, or other activities that could cause soil compaction throughout the duration of the Contract. Protective snow fencing complete with installation hardware demarking the protection zone is required. (b) . In addition to fencing, mature tree trunks shall be strapped with 25 x 150 x 2400 (1” x 6” x 8’) wood planks to protect against bark damage. Smaller trees shall be similarly protected using appropriately sized wood planks. (c) . Operation of equipment within the drip line of trees shall be kept to the minimum required to perform the work. (d) . Equipment shall not be parked, repaired, refuelled; construction materials shall not be stored, and earth materials shall not be stockpiled within the drip lines of trees. The drip line of a tree shall be considered to be the ground surface directly beneath the tips of its outermost branches Construction operations shall be conducted so that they do not cause flooding or sediment deposition on areas where trees are located. (e) . Work on Site shall be carried out in such a manner so as to minimize damage to existing tree branches. (f) . Repair, replace and maintain tree protection material during construction of the Work. (g) . Remove snow fencing and strapping material without harming trees as soon as the construction and restoration work is complete. E4.2 E6.2 Obtain approval from the Contract Administrator to excavate within 2.0 meters of a tree. E4.3 E6.3 Excavations shall be carried out in such a manner so as to minimize damage to existing root systems. Roots over 50mm in diameter which must be cut to facilitate an excavation shall be neatly pruned prior to excavation and coated with an appropriate wound dressing to prevent infection. Prune exposed roots with equipment such as trenchers, chain saws, root cutters or other methods acceptable to the Contract Administrator in a manner that will leave a neat, clean root end. Keep exposed roots in excavations and trenches moist or shaded. E4.4 E6.4 Take precautions to ensure tree limbs overhanging the Site are not damaged by construction equipment. Consult the Forestry Branch on pruning of overhanging or damaged limbs and branches and other unanticipated problems with trees during construction of the Works. E4.5 E6.5 All damage to existing trees caused by the Contractor’s activities shall be repaired as required by the Contract Administrator and the Forestry Branch. Damages must be repaired by an individual with a Manitoba Arborist license or by the Forestry Branch. E4.6 E6.6 American elm trees are not to be pruned between April 1st and August 1st and Siberian elm Elm trees between April 1st and July 1st of any year under provisions of The Dutch Elm Disease Act. E4.7 E6.7 The Forestry Branch will remove and replace any trees deemed to have died or that are dying due to damage from carelessness during construction. Removal and replacement costs will be determined by size and market price. The market price will be a comparable transplantable tree of the same or different species or may be the appraised value of the existing tree, as determined by an evaluation procedure presently used by Forestry Branch in conjunction with City Claims Branch. The evaluation procedure is in accordance with current International Society of Arboriculture evaluation procedure. E4.8 E6.8 Measurement and Payment Protection of existing trees, repair of trees and pruning of damaged limbs will not be measured for payment and will be included with Underground or Surface Works. Removal and replacement of existing trees by the Forestry Branch deemed to have died or that are dying due to damage from carelessness during construction will be at the contractor’s cost and will be invoiced or deducted from any payments owing.

PROTECTION OF EXISTING TREES. E4.1 E5.1 The Contractor shall take the following precautionary steps to avoid damage from his construction activities to existing boulevard trees within and adjacent to the limits of construction: (a) : All trees will have a 2.0m radius protective zone calculated from the circumference at the base of the trunk which will remain free of digging, trenching, grade changes, stock piling of materials, parking or vehicles or equipment, or other activities that could cause soil compaction throughout the duration of the Contract. Protective snow fencing complete with installation hardware demarking the protection zone is required. (b) . In addition to fencing, mature tree trunks shall be strapped with 25 x 150 x 2400 (1” x 6” x 8’) wood planks to protect against bark damage. Smaller trees shall be similarly protected using appropriately sized wood planks. (c) . Operation of equipment within the drip line of trees shall be kept to the minimum required to perform the work. (d) . Equipment shall not be parked, repaired, refuelled; construction materials shall not be stored, and earth materials shall not be stockpiled within the drip lines of trees. The drip line of a tree shall be considered to be the ground surface directly beneath the tips of its outermost branches Construction operations shall be conducted so that they do not cause flooding or sediment deposition on areas where trees are located. (e) . Work on Site shall be carried out in such a manner so as to minimize damage to existing tree branches. (f) . Repair, replace and maintain tree protection material during construction of the Work. (g) . Remove snow fencing and strapping material without harming trees as soon as the construction and restoration work is complete. E4.2 E5.2 Obtain approval from the Contract Administrator to excavate within 2.0 meters of a tree. E4.3 E5.3 Excavations shall be carried out in such a manner so as to minimize damage to existing root systems. Roots over 50mm in diameter which must be cut to facilitate an excavation shall be neatly pruned prior to excavation and coated with an appropriate wound dressing to prevent infection. Prune exposed roots with equipment such as trenchers, chain saws, root cutters or other methods acceptable to the Contract Administrator in a manner that will leave a neat, clean root end. Keep exposed roots in excavations and trenches moist or shaded. E4.4 E5.4 Take precautions to ensure tree limbs overhanging the Site are not damaged by construction equipment. Consult the Forestry Branch on pruning of overhanging or damaged limbs and branches and other unanticipated problems with trees during construction of the Works. E4.5 E5.5 All damage to existing trees caused by the Contractor’s activities shall be repaired as required by the Contract Administrator and the Forestry Branch. Damages must be repaired by an individual with a Manitoba Arborist license or by the Forestry Branch. E4.6 E5.6 American elm trees are not to be pruned between April 1st and August 1st and Siberian elm Elm trees between April 1st and July 1st of any year under provisions of The Dutch Elm Disease Act. E4.7 E5.7 The Forestry Branch will remove and replace any trees deemed to have died or that are dying due to damage from carelessness during construction. Removal and replacement costs will be determined by size and market price. The market price will be a comparable transplantable tree of the same or different species or may be the appraised value of the existing tree, as determined by an evaluation procedure presently used by Forestry Branch in conjunction with City Claims Branch. The evaluation procedure is in accordance with current International Society of Arboriculture evaluation procedure. E4.8 E5.8 Measurement and Payment Protection of existing trees, repair of trees and pruning of damaged limbs will not be measured for payment and will be included with Underground or Surface Works. Removal and replacement of existing trees by the Forestry Branch deemed to have died or that are dying due to damage from carelessness during construction will be at the contractor’s cost and will be invoiced or deducted from any payments owing.