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C. Tree Protection Fence: Tree protection fence shall be a minimum of four feet high. temporary fence . Where used for protection of individual trees, fence shall be placed at the drip line (extent of canopy). Silt Fence (1 of 2, PDF only) PDF DWG Silt Fence (2 of 2, PDF only) PDF E-2. trees. temporary fence intersects tree dripline; no rootpruning required n.t.s. 1. E-4. CONTRACT DOCUMENTS. h�b```b``e`e`�[� Ȁ �,@Q�L�)��^������p�e9�x�a��)
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ì���f��Z������� The City Forester or BDS Director may conduct inspections during the course of project activity to determine compliance with this Title and confirm that tree protection zones are being maintained and root protection methods are effective. SGN 2-03 tree(s). E. Tree protection inspections. This policy is adhered to unless the demolition is not possible with trees … See related specifications. Tree protection. TREE PROTECTION SPECIFICATIONS. Intent. Remove tree protection fencing and other protection from around and under trees and plants. • Tree protection must be constructed of a rigid material (2” x 4” framing covered by stapled orange fence), 4’ tall, and a minimum area of 4’ X 9’ or constructed to the size of the tree box. Boards following the line of existing hard standing, enclosing the vulnerable RPA within the fencing. level i fence protection (detail 1.1.2): Fabric: Fabric (4 foot height or 1.2 m) shall consist of orange plastic fencing as shown on the plans and shall be woven with 2-inch (50 mm) mesh openings such that in a vertical dimension of 23 inches (584 mm) along the 861 0 obj
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Additional information. To protect trees, regulate cutting, and outline replanting requirements, the Township of Langley Council adopted Tree Protection Bylaw 2019 No. Site guidance note 2: Fencing protected trees Board specification on secure wooden posts is a suitable alternative to the standard braced scaffold design. A. Boards following the line of existing hard standing, enclosing the vulnerable RPA within the fencing. Mulch is to be kept 12” from the trunk. SECTION E - FILTERING. C. Protection methods. Place a protective fence outside the critical root area of all trees in the group (Figure 5b). TREE PROTECTION SPECIFICATIONS. Tree preservation is site- speciic and other guidelines and protective measures also may be appropriate. Our particular system, CORE TREE ROOT PROTECTION® is available in 5 depths: 50mm, 75mm, 100mm, 150mm, 200mm. Mulch is to be kept 12” from the trunk. Jan 1 2018: DWG PDF: S10-02: Typical Tree Well Power Receptacle. The tree protection fencing creates a barrier that forms a ridged framework to exclude construction activity from the appropriate degree of proximity to all retained trees, which is to remain ridged if hit by machinery on site. (See 1.30) Felling of trees to be removed shall involve the complete removal of trees indicated, including stumps, by one of the following methods to be approved by the Architect before work commences: tree(s). Tree protection during development helps to reduce the negative impacts of construction. Overhead view of a tree protection zone (gray fence) for a group of trees. Tree and Hedge Protection Fencing Specifications; Bats and Development; A Guide to BS 5837; Knotweed - all you need to know; Urban tree planting; Land management; Arisings. Show and label 4’ orange tree protection fence. 1. Remove tree protection fencing and other protection from around and under trees and plants. Figure 5a. An alternative to dug supports is concrete blocks set outside the RPA. A typical fencing specification for the protection trees on development sites is as follows: Uprights driven well into the ground with additional bracing as required. 11.60.060 Tree Maintenance Specifications and Responsibilities. These guidelines will enable engineers, consultants, and private developers to efficiently and effectively meet District policies and standards as they relate to tree removals, tree plantings, and tree protection methods. (b) no new encroachment is closer than 1/2 the required radius distance (see Figure 60-1); (1) Protection fencing consisting of a minimum 6-foot high metal chain link construction fence, secured with 8-foot metal posts shall be established at the edge of the root protection zone and permissible encroachment area on the development site. Plunge Pool PDF DWG. Dots DIVISION 01 SPECIFICATIONS November 4, 2013 TEMPORARY TREE AND PLANT PROTECTION 015639 - 1 SECTION 015639 - TEMPORARY TREE AND PLANT PROTECTION PART 1 - GENERAL 1.1 RELATED DOCUMENTS A. Dr. Ed Gilman from University of Florida, Jim Urban, FASLA, and Brian Kempf and Tyson Carroll of the Urban Tree Foundation have developed a modern, up-to-date, and peer reviewed set of details and specifications in AutoCAD, PDF, and Microsoft Word formats for the green industry. A sample specification is given below (Default specification for protective barrier BS5837:2012). 2" x 6' steel posts or approved equal. (2) When a root protection zone extends beyond the development site, protection fencing is not required to extend beyond the development site. All Public Right-of-Way, Park, Parkway or public space trees are protected by ordinance. c. Signage designating the protection zone and penalties for violations shall be secured in a prominent location on each protection fence; d. Installation of landscaping required by Title 33 is allowed within the root protection zone and is not an encroachment. Steel posts installed at 8' o.c. (3) Existing encroachments into the root protection zone, including structures, paved surfaces and utilities, may remain. Existing structures and/or existing secured fencing at least 3.5 feet tall can serve as the required protective fencing. 10. 56. These standards apply to any tree that is required to be retained on site or in the street during a development activity. 2. scale: date: as noted temporary fence, see specifications spacing 1.5m qc. Tree protection barriers must be made of 2.4m (8ft) high plywood hoarding or equivalent as approved by Urban Forestry. means the arboricultural specifications and standards of practice, ... means any occasion of prohibited activity within an area protected by a tree protection fence. DBH refers to the tree diameter measured at 1.4 metres (4.5 feet) above the ground. %PDF-1.5
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Tree Protection Bylaw 2019 No. Future of arb 1; Future of arb 2; Glossary; Myth Busters. Crown drip line or other limit of Tree Protection area. high tree protection fencing as per requirement # 3 crz (min.) protection. The New York State Department of Environmental Conservation announces the availability of the updated New York State Standards and Specifications for Erosion and Sediment Control (Blue Book), dated November, 2016. o. DIƂT ���4#��8P�(9(����� ^�5
4- No equipment shall operate inside the 3- No pruning shall be performed except by approved arborist. Clean up and disposal of all excess and surplus material. 11.60.030 Tree Protection Specifications. ... OPSD 0220.0100 Barrier for Tree Protection. Use durable fencing material, such as plastic construction fencing, snow fence or chain link. o. Whenever trees are within or adjacent to a work zone, tree protection is required for the entire duration of the project, all the way through final completion. The alternative root protection zone is prepared by an arborist who has visited the site and examined the specific tree’s size, location, and extent of root cover, evaluated the tree’s tolerance to construction impact based on its species and health, and identified any past impacts that have occurred within the root zone; b. The BDS Director may require the proposed tree protection method to be peer reviewed for adequacy; reject the proposal if deemed insufficient to meet Subsection C.2.b, above; or require a performance guarantee per Section 11.10.060 in order to ensure the protection methods are properly implemented. Proposed tree protection shall meet the requirements of Subsection C., below, except that the City Forester may approve or require alternate protection methods for Street or City Trees. Site guidance note 2: Fencing protected trees Board specification on secure wooden posts is a suitable alternative to the standard braced scaffold design. means any intentional or negligent act, including various tree climbing practices, spiking, Existing structures and/or existing secured fencing at least 3.5 feet tall can serve as the required protective fencing. endstream
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Tree protection fences must be located at the edge of critical root zone or work limits, i.e. Tree Protection Zone (TPZ) is an area where construction activities are prohibited or restricted to Tree and Hedge Protection Fencing Specifications; Bats and Development; A Guide to BS 5837; Knotweed - all you need to know; Urban tree planting; Land management; Arisings. 4’ orange tree protection fence. Injure . The information presented here provides access to tree-related standards and specifications for the District of Columbia. h�bbd```b``��������"����!�d� ��@$�0{/��&W�E���,�i� �+ of trees, determine the critical root radius for each individual tree. E-1. A typical fencing specification for the protection trees on development sites is as follows: Uprights driven well into the ground with additional bracing as required. Injure . means the arboricultural specifications and standards of practice, ... means any occasion of prohibited activity within an area protected by a tree protection fence. Notes: 1- See specifications for additional tree protection requirements. E-3. If you are unsure of the tree’s DBH, call the Tree Protection Line at 604-533-6111. f. The fence shall be installed before any ground disturbing activities including clearing and grading, or construction starts; and shall remain in place until final inspection. 1.2. Figure 5b. 773 0 obj
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Jan 1 2018: DWG PDF: S1-01 : 20 & 28 Ft Local Street Sections. 1.2 CONTRACT DOCUMENTS A. Shall consist of specifications and general conditions and the drawings. The purpose of this provision is to ensure that logistical considerations are adequately addressed in order to prevent the need for changes to the tree protection measures during the construction process. If roots are to be exposed for a period greater than 48 hours, the exposed area shall be covered with at least six inches of mulch and maintained moist during the course of construction until the area can be properly backfilled. OPSD 0219.1100 Light Duty Silt Fence Barrier. The arborist has prepared a plan providing the rationale used to demonstrate that the alternate method provides an adequate level of protection based on the findings from the site visit described above; c. The protection zone shall be marked with signage, stating that penalties will apply for violations, and providing contact information for the arborist; d. If the alternative methods require the arborist be on site during construction activity, the applicant shall submit a copy of the contract for those services prior to permit issuance and a final report from the arborist documenting the inspections and verifying the viability of the trees prior to the City’s final inspection; e. If the alternative tree protection method involves alternative construction techniques, an explanation of the techniques and materials used shall be submitted; f. The arborist shall sign the tree preservation and protection plan and include contact information. PDF DWG. Not signed up? Maintaining these protections through development will lessen undesirable consequences that may result from uninformed or careless acts, preserve both trees and property values, and reduce risks associated with damaged or destabilized trees. 11.60.010 Where These Regulations Apply. Height of hoarding may be less than 2.4m (8ft), to accommodate tree branches that may be lower, or as approved by Urban Forestry. If not possible, TREE PROTECTION FENCING MUST BE AT LEAST 1.2M IN HEIGHT, AND CONSTRUCTED OF RIGID OR FRAMED MATERIALS (E.G. Tree Protection fence: High density polyethylene fencing with 3.5" x 1.5" openings; Color- orange. © Copyright 2020 City of Portland, Oregon, USA. Tree protection barrier encloses the Tree Protection Zone and is at least 4’ tall, highly visible, sturdy, permanent and has warning signs on or near it for the duration of any construction activities. 2.04.1 1 foot of radial protection per diameter inch of tree shall determine CRZ (i.e., a 20” tree would have a 40 foot diameter CRZ; see chart below) 2.04.2 Areas: 2.04.21 A quarter of CRZ means no impact is allowed 2.04.22 Half of CRZ means no cut or fill greater than 4” is allowed (i.e., for a 20” tree … C. Tree-Protection Zone: Area surrounding individual trees or groups of trees to be protected during construction, and defined by a circle concentric with each tree with a radius 1.5 times the diameter of the drip line, with a minimum of a 5 feet clearance barrier between drip line and fence, unless otherwise indicated on Logistic Plan. 188278, effective April 14, 2017.). The Trees and Landscape Section will review your private property demolition permit to determine the tree protection requirements. MODULOC - STEEL, PLYWOOD HOARDING, OR SNOW FENCE ON A 2”X4” WOOD FRAME) WITH POSTS 2.4M APART, SUCH THAT THE FENCE LOCATION CANNOT BE ALTERED. 4'-0" Maintain existing grade with the tree protection fence unless otherwise indicated on the plans. Existing structures and/or existing secured fencing at least 3.5 feet tall can serve as the required protective fencing. 9. 2. See tree preservation plan for fence alignment. The tree protection regulations keep the foliage crown, branch structure and trunk clear from direct contact and injury by equipment, materials or disturbances; preserve roots and soil in an intact and non-compacted state; and visibly identify the root protection zone in which no soil disturbance is permitted and other activities are restricted. Specifications (Vol 1,2,5,6,7,8) Region of Durham. trees. OPSD 0219.1200 Light-Duty Fibre Roll Barrier. Any in-ground irrigation systems are considered encroachments. An alternative to dug supports is concrete blocks set outside the RPA. When the prescriptive path is not practicable, the applicant may propose alternative measures to modify the prescriptive root protection zone, provided the following standards are met: a. o. Jan 1 2018: DWG PDF: S10-01: Typical Above-Ground Power Receptacle. The information presented here provides access to tree-related standards and specifications for the District of Columbia. Jan 1 2018: DWG PDF: S2-01 : Vertical Curb Detail. 3. B. Applicability. In addition, no person may obstruct, hamper or interfere with any such representative while in the process of carrying out their official duties. Tree Protection. D. Changes to tree protection. Super Silt Fence PDF DWG. Prior to starting any tree felling works all trees to be retained shall be identified and the necessary tree protection fencing installed. Rock Outlet Protection II. British Standard BS5837 Tree Protection and Fencing Home / British Standard BS5837 Tree Protection and Fencing Advanced Arboriculture hold a comprehensive protective fencing stock which is available for purchase or hire and can be erected to a range of specifications including the full British Standard 5837:2012 detail. (See 1.30) Felling of trees to be removed shall involve the complete removal of trees indicated, including stumps, by one of the following methods to be approved by the Architect before work commences: Forgot your username or password? The intent of these Performance Path. Tree Protection fence: High density polyethylene fencing with 3.5" x 1.5" openings; Color-orange. 1���s]�� �o�d�%{>G��r�%�,�*��Rx��C�����'ʼn m�,� "%{�@�$ ����0]��d)$ ,3��:: f Htt�9l �DI\�T1c����Dt4p�!�c�1@6s��)Ĭ@l�@��{���@Z��A���~�W�. Create an Account », (Amended by Ordinance No. Cellular confinements systems are employed to enable all traffic types to use that area whilst ensuring that the tree roots of the tree remain protected. Future of arb 1; Future of arb 2; Glossary; Myth Busters.
Placing a protective fence around the critical root area assures tree survival. Prior to starting any tree felling works all trees to be retained shall be identified and the necessary tree protection fencing installed. mulch area enclosed by fence with shredded hardwood bark mulch. e. The following is prohibited within the root protection zone of each tree or outside the limits of the development impact area: ground disturbance or construction activity including vehicle or equipment access (but excluding access on existing streets or driveways), storage of equipment or materials including soil, temporary or permanent stockpiling, proposed buildings, impervious surfaces, underground utilities, excavation or fill, trenching or other work activities; and. 13.52.025 Tree protection and preservation. Place an X on the tree symbol for trees to be destroyed. See related specifications. These guidelines will enable engineers, consultants, and private developers to efficiently and effectively meet District policies and standards as they relate to tree removals, tree plantings, and tree protection methods. No person may refuse entry or access to a permitted development site to any authorized representative of the City who provides proper credentials and requests entry for the purpose of conducting a Tree Protection inspection. Welded Wire: 14 gauge galvanized welded wire with 2" x 4" openings attached to 6’ minimum “T”- steel posts, driven at least 2’ into ground @ 10 foot intervals or approved equivalent. All trees as defined by Surrey Tree Protection Bylaw, No 16100 must be protected during demolition. D-4-1-C. Rock Outlet Protection III. 2.04.1 1 foot of radial protection per diameter inch of tree shall determine CRZ (i.e., a 20” tree would have a 40 foot diameter CRZ; see chart below) 2.04.2 Areas: 2.04.21 A quarter of CRZ means no impact is allowed 2.04.22 Half of CRZ means no cut or fill greater than … Trees less than 30 centimetres (one foot) DBH are exempt from the Tree Protection Bylaw. 2- If there is no existing irrigation, see specifications for watering requirements. No pooling of water or continuous running water shall occur within the drip line of existing trees or within the tree protection zones other than that during the irrigation process. Planting Details and Specifications. Clean up and disposal of all excess and surplus material. 5478. Existing topography at 2ft contour intervals . The Blue Book provides standards and specifications for … If construction traffic cannot be avoided within the CRZ: You can see the roots spread well beyond the Critical root zone. New encroachments into the root protection zone are allowed provided: (a) the area of all new encroachments is less than 25 percent of the remaining root protection zone area when existing encroachments are subtracted; and. o. crz (min.) Jan 1 2018: DWG PDF: S1-02 : Typical Residential Turn Around. Silt Fence on Pavement PDF DWG. The line of fences as indicated on the plans shall be staked or marked out on the ground by the Contractor and approved by the Engineer before any fence is installed. 1. : Install a physical and highly visible obstruction around the tree or trees to be preserved. A protective barrier of 6’ chain link fencing shall be installed around the dripline of protected. D-4-2. A. Shall consist of specifications, general conditions and the drawings. tree protection fence must be outside of tree root zone (dripline) per tree protection table. A 6” layer of coarse mulch or woodchips is to be placed beneath the dripline of the protected. A 6” layer of coarse mulch or woodchips is to be placed beneath the dripline of the protected. The City may request additional information regarding the proposed development, including construction management approaches, if the proposed development and tree protection appear to conflict. 2. means any intentional or negligent act, including various tree climbing practices, spiking, When an excavation or embankment is placed within the dripline of any tree greater than (8) inches in diameter, a Tree well shall be constructed to protect the tree as indicated, when the cut or fill exceeds (8) inches. SGN 2-03 11.60.040 Tree Pruning and Root Cutting Specifications. Changes to the tree protection measures during the course of the development may be approved as a revision to a permit provided that the change is not the result of an unauthorized encroachment into a root protection zone, and the applicant demonstrates that the tree protection standards of this Section continue to be met. Protection fencing (1) Protection fencing consisting of a minimum 6-foot high metal chain link construction fence, secured with 8-foot metal posts shall be established at the edge of the root protection zone and permissible encroachment area on the development site. A root protection zone is established as follows: (1) For trees on the development site - a minimum of 1 foot radius (measured horizontally away from the face of the tree trunk) for each inch of tree diameter (see Subsection 11.80.020 C., Measurements): (2) Street Trees – the City Forester may prescribe greater or lesser protection than required for on-site trees. 13.52.030 Violations. A protective barrier of 6’ chain link fencing shall be installed around the dripline of protected. 793 0 obj
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C. tree protection Bylaw, No 16100 must be protected during demolition, call the tree Plan shall show trees... Unless otherwise indicated on the tree protection Bylaw 2019 No Urban Forestry Forgot username! System, CORE tree root zone ( dripline ) per tree protection requirements to be placed the! The root protection zone, including structures, paved surfaces and utilities, remain! To any tree felling works all trees in the group ( Figure )! In 5 depths: 50mm, 75mm, 100mm, 150mm, 200mm No... Be avoided within the fencing during construction using one of the protected 1- see specifications for District! Requirement # 3 crz ( min. ) tree or trees to be retained shall be and. Of Langley Council adopted tree protection requirements DWG PDF: S10-02: Typical Residential Turn around username.