<p>NZQA Expiring unit standard 17765 version 3 Page 1 of 6</p><p>Title Fell trees in a commercial forest harvesting operation</p><p>Level 4 Credits 20</p><p>Purpose This unit standard is intended for people employed in a tree felling role in a commercial forestry operation.</p><p>People credited with this unit standard are able to: demonstrate knowledge of the relationship between clear felling and downstream operations; prepare to fell trees in a commercial forest harvesting operation; assess the area to be felled and plan the felling; assess trees to be felled and plan the felling of individual trees; prepare work area and escape route; fell trees using wedges and alternative back-cutting techniques; and demonstrate tree driving by felling one tree onto another.</p><p>Classification Forestry > Tree Felling</p><p>Available grade Achieved</p><p>Entry information</p><p>Critical health and Unit 17766, Fell trees safely using a chainsaw, or demonstrate safety prerequisites equivalent knowledge and skills.</p><p>Explanatory notes 1 This unit standard must be assessed against on-job. s is 2 Demonstration of competence in this unit standard will include id sufficient trees to satisfy the assessor that the skills and knowledge arer drepeatable.r ada 3 Best Practice Guides refers to the Best Practicend Guidelinesn for Tree felling and any subsequent amendments; and the Best Practicea ta Guidelines for Chainsaw Use and any subsequent amendments. Boths aret publisheds g by Competenzg and available from CompetenZ at http://www.competenz.org.nzt it , orn Competenz,in PO Box 9005, Newmarket, Auckland 1149. i n ri ir un u pi p 4 Industry environmentals standardsis refersxe tox the New Zealand Environmental Code of Practice for Plantationi Forestryh publishede by New Zealand Forest Owners Association. AvailablehT from Competenz, at http://www.competenz.org.nz, or Competenz, POT Box 9005, Newmarket, Auckland 1149.</p><p>5 Approved Code of Practice refers to the Approved Code of Practice for Safety and Health in Forest Operations published by the Occupational Safety and Health </p><p>Competenz Ó New Zealand Qualifications Authority 2018 SSB Code 101571 NZQA Expiring unit standard 17765 version 3 Page 2 of 6</p><p>Service, (Wellington: Department of Labour, 1999) and any subsequent amendments. Available at http://www.osh.dol.govt.nz/order/catalogue/301.shtml.</p><p>6 Definitions Worksite policy and procedures includes instructions to staff on policy and procedures (including the application of legislation to worksite situations) which are formally or informally documented. Examples are standard operating procedures, codes of practice, specifications, and worksite signage. PPE refers to personal protective equipment and may include but is not limited to protective clothing, gloves, safety glasses, headwear, footwear, hearing protection, and safety devices.</p><p>Outcomes and evidence requirements</p><p>Outcome 1</p><p>Demonstrate knowledge of the relationship between clear felling and downstream operations.</p><p>Evidence requirements</p><p>1.1 The impact of the felling pattern on the extraction process is explained.</p><p>1.2 The need for consistent wood-flow to the landing and the importance of coordination between felling and extraction activities is described.</p><p>1.3 Impact of the tree felling quality on contract security and recoverable volume is explained.</p><p>1.4 The impact of felling practices on the quality and value of the butt log is described.</p><p>1.5 The advantages of butt pulling are described. Outcome 2 s is Prepare to fell trees in a commercial forest harvesting operation. id rd r Evidence requirements ada ndn 2.1 PPE complies with minimum requirementsa ta in accordance with the Approved Code of Practice and the Best sPracticet s Guides.g g t it n in 2.2 Job prescription requirementsi n relatingr toi fellingir are interpreted. un u pi p 2.3 The process to manage s an emergencyx x is demonstrated. ishi e e Range Thcrew,T communication, first aid. 2.4 The availability of felling equipment and accessories required for tree felling is demonstrated.</p><p>Competenz Ó New Zealand Qualifications Authority 2018 SSB Code 101571 NZQA Expiring unit standard 17765 version 3 Page 3 of 6</p><p>Range chainsaw suited to the operation, fuel and oil containers, wedges and other felling aids, files and maintenance tools, fire extinguisher.</p><p>2.5 Environmental considerations are assessed and managed in accordance with industry environmental standards and worksite policy and procedures.</p><p>2.6 Hazards within a minimum of two tree lengths of tree(s) to be felled are identified, assessed and managed.</p><p>Range hazards may include but are not limited to – people, machines, operating ropes, other operations, weather and environmental conditions, ground conditions, terrain features.</p><p>Outcome 3</p><p>Assess the area to be felled and plan the felling.</p><p>Evidence requirements</p><p>3.1 Site is assessed.</p><p>Range may include but is not limited to – overhead hazards, vines, interlocked branches, predominant lean of the stand, size, condition and stability of trees to be felled, wind strength and direction, terrain.</p><p>3.2 Site felling plan is described.</p><p>Range includes but is not limited to – within faller’s capability, felling direction and pattern, felling aids/assistance required, extraction plan, starting point, environmental issues, access in to and out of felling face, setting boundaries. Outcome 4 s is Assess trees to be felled and plan the felling of individual trees. i d rd Evidence requirements ar a dnd 4.1 Tree to be felled is assessed. na tast g Range may include but iss nott limitedn tog i–n overhead hazards, rotten spars, vines, interlockeditn branches,i ri itreer lean, weight distribution, size, condition nandu stability ofi treep to be felled, wind strength and direction. us xpx ishi e e 4.2 A fellingT planh forT the tree to be felled is explained. Range felling direction, hazards in the line of the fall, hazards behind work area, appropriate felling technique, assistance required, location of the safer side and escape route.</p><p>Competenz Ó New Zealand Qualifications Authority 2018 SSB Code 101571 NZQA Expiring unit standard 17765 version 3 Page 4 of 6</p><p>Outcome 5</p><p>Prepare work area and escape route.</p><p>Evidence requirements</p><p>5.1 Hazards in the intended line of the tree’s fall are identified, assessed and managed.</p><p>5.2 Low branches around the base of the tree are removed as necessary to allow unrestricted access to the tree.</p><p>Range using the lower part of the guide bar and chain, working in an anticlockwise direction around the tree, avoiding use of the tip of the guide bar.</p><p>5.3 A work area is cleared around the base of the tree to allow free movement around the tree and clear visibility of the head of the tree.</p><p>5.4 The location and preparation of escape route is in accordance with the Approved Code of Practice, the Best Practice Guides, and worksite policy and procedures.</p><p>Range may include but is not limited to – safer side, 45 degrees angle (or as close as practicable) to the rear of the fall direction, clearance, distance.</p><p>Outcome 6</p><p>Fell trees using wedges and alternative back-cutting techniques.</p><p>Evidence requirements 6.1 The conventional scarf method is demonstrated. s is Range cut sequence, direction, angle and depth i of top cut, horizontal bottom cut and cuts meet up cleanly.d rd ar a 6.2 Wing cuts are used where appropriate tod minimisend side slabbing in accordance with the Best Practice Guides. na tast g Range cover hinge wood s area,t angledg inton solid stump wood, depth and position. it i inri nun irpi 6.3 The back-cut is correctly u positionedp andx progressed in accordance with the Best Practice Guides.s is xe hi h e Range T horizontal,T the level of the bottom cut of the scarf, hingewood, back-cut step, tree head movement.</p><p>Competenz Ó New Zealand Qualifications Authority 2018 SSB Code 101571 NZQA Expiring unit standard 17765 version 3 Page 5 of 6</p><p>6.4 The use of a wedge to fell trees against the lean is demonstrated in accordance with the Best Practice Guides and the Approved Code of Practice.</p><p>Range scarf depth, size and number of wedges, bark trimming, timing, positioning, setting, driving.</p><p>6.5 The driving of a wedge, timed to gain advantage of the swaying forward motion of the top of the tree, is demonstrated in accordance with the Best Practice Guides.</p><p>6.6 Multiple wedge use is demonstrated in accordance with the Approved Code of Practice.</p><p>Range two wedges, three wedges, double lifting.</p><p>6.7 Technique for felling trees with side lean is demonstrated.</p><p>6.8 Alternative back-cut techniques are demonstrated on trees in accordance with the Best Practice Guides.</p><p>Range includes but is not limited to – quarter cut, split level, bore and release.</p><p>6.9 The chainsaw is removed in accordance with the Best Practice Guides.</p><p>Range looking up, escape route, overhead hazards.</p><p>6.10 The wedge(s) and equipment are collected from the stump when safe to do so.</p><p>6.11 Stumps are as low as practicable within the requirements of safe and accurate tree felling and in are accordance with worksite policies and procedures.</p><p>6.12 Trees are directionally felled to avoid hazards and obstacles which may cause stem breakage, and to facilitate extraction.</p><p>Outcome 7 s is i Demonstrate tree driving by felling one tree onto another. d rd ar a Evidence requirements d d nan 7.1 The Approved Code of Practice requirementstast relatingg to tree driving are described. s gn it it inri 7.2 Hazards associated withn treen drivingi arer explained.i u u pxp 7.3 Driving tree is suiteds i tos tree tox be edriven. hi h e Range T positionT of driver tree, position of tree to be driven, falling path of driver tree, weight of driver tree, height of driver tree, characteristics of driver tree.</p><p>Competenz Ó New Zealand Qualifications Authority 2018 SSB Code 101571 NZQA Expiring unit standard 17765 version 3 Page 6 of 6</p><p>7.4 The distance from the driving tree to the tree to be driven is assessed in relation to tree height, and the point of aim identified.</p><p>7.5 Both trees are prepared for felling in accordance with the Best Practice Guides. </p><p>7.6 The driving tree is felled to carry the driven tree to the ground.</p><p>7.7 Management after an unsuccessful drive is explained in accordance with the Approved Code of Practice, the Best Practice Guides, and worksite policy and procedures.</p><p>Replacement information This unit standard has been replaced by unit standard 28561.</p><p>This unit standard is expiring. Assessment against the standard must take place by the last date for assessment set out below.</p><p>Status information and last date for assessment for superseded versions Process Version Date Last Date for Assessment Registration 1 5 December 2000 31 December 2018 Review 2 22 May 2008 31 December 2018 Review 3 19 March 2015 31 December 2018 Republished 3 18 December 2015 31 December 2018</p><p>Consent and Moderation Requirements (CMR) reference 0173 This CMR can be accessed at http://www.nzqa.govt.nz/framework/search/index.do.</p><p>Please note Providers must be granted consent to assess against standards (accredited) by NZQA, before they can report credits from assessment against unit standardss i ors deliver courses of study leading to that assessment. id rd r Industry Training Organisations must be granted consenta dto assessa against standards by NZQA before they can register credits from assessmentndn against unit standards. a ta Providers and Industry Training Organisations,st swhich haveg beeng granted consent and which are assessing against unit standardst i mustt engagen i withn the moderation system that applies to those standards. i n ri ir un u pi p Requirements for consent sto assessis and xan eoutlinex of the moderation system that applies to this standard are outlinedi hin the Consente and Moderation Requirements (CMR). The CMR also includes usefulhT information about special requirements for organisations wishing to develop educationT and training programmes, such as minimum qualifications for tutors and assessors, and special resource requirements.</p><p>Competenz Ó New Zealand Qualifications Authority 2018 SSB Code 101571</p>