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MAINTENANCE WORKER, TRAILS

Essential Competencies

ENTRY LEVEL

Description: This competency identifies the Knowledge, Skills and Abilities required to perform basic routine maintenance and repair on trails, following park standards and oral directions of a crew leader, and with proper use and maintenance of tools and equipment.

I. Trail Maintenance

A. Annual Maintenance
1. Clearing
2.Tread maintenance
3.Drainage maintenance
4.Structures maintenance
5.Camp Area maintenance

B. Repair/Rehabilitation
1.Tread bench and backslopes
2.Drainage systems and structures
3.Trail structures
4.Erosion control and restoration

II.Backcountry Logistics and Safety

A. Logistics
1. Transport methods/resupply
2.Camp operations
3.Communications

B. Safety
1.Controllable hazards and PPE
2.Objective hazards recognition

III.Tools and Equipment

A. Use
B. Maintenance

Knowledge, Skills and Abilities

Ability to follow written standards and oral directions.

Ability to live and work effectively for extended periods in remote backcountry locations, essentially self-sufficient.

Skill and knowledge in basic techniques common to trail maintenance (excavation, benching, limbing, installation of water bars and dip drains, etc.). May involve placement and finish of asphalt and/or concrete.

Skill in use and routine care of basic hand tools common to the trade, including crosscut saws, chopping axes, sledgehammers, hand winches, block-and-tackle, etc.

Skill in use and routine care of basic power tools common to the trade, including chainsaws, power brushers, rock drills and tampers; ability to drill holes in rock following design pattern, depth and alignment.

Skill and ability to safely buck fallen trees under only gravity tensions; knowledge of undercutting, side notching, wedging and dogging techniques.

Knowledge of basic erosion control and restoration techniques using fiber matting and/or geotextiles, insetting wood and stone checks, backfilling and simple revegetation.

Knowledge of standard PPE, basic backcountry health and sanitation; certified for Standard First Aid and CPR; knowledge of safe stream, snow and ice crossing techniques; ability to recognize insidious hazards like exhaustion, hypothermia.

Knowledge of basic radio communications.

Knowledge and ability to work around and/or use means of transport common to the trade (vehicles to one-one, livestock, helicopters, boats, sherpas, etc.).

Skill in assisting higher grade employees in more technical maintenance, repair and construction activities: if appropriate, licensed as a Blaster-in-Training per NPS-65.

DEVELOPMENTAL LEVEL

Description: This competency identifies the Knowledge, Skills and Abilities required to perform intermediate level routine and cyclic maintenance, repair and reconstruction/construction on trails, including work scheduling and sequencing and using non-agency crews.

All Competencies at the Entry Level plus:

I.Trail Maintenance

A. Annual Maintenance
1.Clearing
2.Tread restoration
3.Drainage restoration
4.Structures repair
5.Camp area restoration and rehabilitation

B. Construction/Reconstruction
1.Tread bench and backslopes
2.Drainage systems and structures
3.Trail structures

II.Backcountry Logistics and Safety

A. Logistics
1. Transport methods/resupply
2. Camp operations
3. Use of contractors and volunteers

B. Safety
1.Controllable hazards
2.Objective hazards

III.Tools and Equipment

A. Use
B. Maintenance and Repair

Knowledge, Skills and Abilities

Ability to follow written specifications, plans and drawings, and to perform as a designated Inspector for contracted work.

Ability to lead and support a crew for extended periods in remote backcountry locations; includes campsite selection, shelter, cooking, sanitation; ability to train crew members in essential skills, abilities and safety.

Ability to provide work leadership and skills training to volunteer groups performing trail work.

Knowledge of maintenance, repair and reconstruction methods common to trails (tread reconstruction and realignment; drainage system reconstruction including ditch systems and culverts; routing and construction of minor relocations, switchbacks, sweep turns, stream fords, subdrains, stable backslopes and fill sections, etc.); includes basic understanding of geomorphology, soils and terrain dynamics; may include repair of asphalt and/or concrete surfaces.

Knowledge of trail structures repair and construction, including turnpike, puncheon, Gadbury, cribbing, rock walls, signs, gabions, simple short-span stringer bridges; includes selection of proper materials.

Skill in use, maintenance and repair of hand tools common to the trade, including felling axes, broadaxe adzes, slicks, spuds, climbing spurs; includes basic knowledge of sharpening, arcing and setting crosscut saws.

Skill in use and maintenance of power tools common to the trade, including multiple types of saws and saw chains, augers, winches, multi-bit long-hole drills, wedge-and-feathers, etc.

Skill and ability to safely buck aerial and multi-tensioned fallen trees (including augering, tension cuts, swing bucking, slabbing, jackstraw bucking), and to safely fall sound trees in their direction of lean.

Knowledge of basic rigging techniques and configurations, including static lines, running rigging, haulbacks, multi-block configurations, and backstays.

Licensed as basic Blaster per NPS-65; can transport, store and effectively use explosives.

Certified for Advanced First Aid; ability to judge weather, stream crossing and avalanche hazards.

Skill and ability to use and work around means of transport common to the trade, including expedition backpacks and specialty frames, stock trucks and trailers, boats and barges, helicopter sling-loads; can ride horses and assist packers.

FULL PERFORMANCE LEVEL

Description: This competency identifies the Knowledge, Skills and Abilities required for the full performance of routine, cyclic and specialized maintenance, repair and reconstruction/construction on trails and related structures, including all facets of work scheduling, sequencing and crew support.

All Competencies at the Entry and Developmental Levels plus:

I.Trail Maintenance

A. Annual Maintenance
1.Clearing (specialized)
2.Backcountry sewage systems

B. Construction/Reconstruction
1.Routing and design
2.Tread bench and backslopes (specialized)
3.Drainage and subdrainage
4.Trail structures.

II.Backcountry logistics and safety

A. Logistics
1.Transport methods/resupply
2.Use of contractors and volunteers

B. Safety
1.Hazard analysis

III.Tools and Equipment

A. Use and Modification
B. Maintenance and Repair

Knowledge, Skills and Abilities

Ability to design projects; to prepare written specifications, plans and drawings; and to perform as designated Contracting Officer's Representative for contracted work.

Ability to organize, lead, train and provide logistical support to two or more crews and/or volunteer groups for extended periods in remote backcountry locations; ability to live and function alone in the backcountry when moving between crews or inspecting contracts.

Working knowledge of soils, groundwater and other terrain factors which allows assessment of slope and trail stability; knowledge of applications for geowebs, binders and other soil stabilization methods.

Knowledge and ability to design and construct trails, including final route selection and survey and all appurtenant structures. Includes bedrock construction; elevated treadways over wetlands; section, curtain and French subdrains; flagstoning and rock cribbing; rock causeways and steps; slope and channel stabilization techniques; hip, overhead and web truss bridges and long-span stringer bridges, including abutments and piers.

Ability to modify and create hand tools for specialized tasks.

Ability to repair power tools and equipment common to the trade (including power barrows, mobile crushers and/or trail cats, if used).

Skill and ability to safely buck fallen trees over 60 inches in diameter, and directionally fall snags and other trees (includes swing falling, Dutchman's, spring-poling and taut-line falling).

Skill and ability to design and perform both fracture and controlled fragmentation blasts using delays; licensed as a Technical Blaster per NPS-65.

Knowledge of backcountry sewage management methods, including leach pits, vaults, haul-out, composting.

Ability to perform full Job Risk Analysis on hazardous tasks/projects and implement proper safety controls.

Skill and ability to use means of transport common to the trade, including helicopter long-lines and band-loads; can pack and shoe livestock, use skidding harness, if necessary.

Knowledge and ability to contribute effectively to the preparation of Environmental Assessments related to trail work.

National Park Service
Training and Development Division
Essential Competencies
mntwkrtr.htm

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