Risk/Hazard Identification and Mitigation Project Worksheet

Description of Risk/Hazard: Describe in detail the risk or hazard that poses a threat to the community.

Vegetative Fuel and Topography: The Kingsbury Unit 1 prescription area is characterized by dense to open forest stands on steep slopes ranging from 30% to 60%. There is a dense brush understory. Open areas are covered by brush up to 4 feet tall, dominated by manzanita, bitterbrush, tobacco brush, whitethorn and chinkapin.

Worst Case Scenario / Hazard: The treatment area separates the upper Kingsbury residential area from the top of the ridge to the Carson Valley. A wind driven fire coming up from the Carson Valley could have enough momentum to break the top of the ridge and come down into the community. Such a fire would create a tremendous amount of firebrands into and above the community.

Priority Ranking: What is the priority ranking of this risk/hazard in relation to all others identified?

Because most fuels are not below and on the windward side of the community, this project ranks as #10 for the TDFPD.

Location: Describe or attach a map with sufficient detail to allow accurate ground location.

Between the upper Kingsbury residential neighborhoods and the ridge to the Carson Valley, north of State Route 207. See Figure 11-9 for details.

Recommended Mitigation Measures and Scope of Work: Present prescription and work specifications in sufficient detail to facilitate procurement of bids and quotes. For hazardous fuel removal projects include estimated volumes (tons/acre) of fuel removed and disposal plan.

Remove or thin brush understory to decrease the fire intensity and reduce ladder fuels. Remove dead and down material. Spacing between remaining bushes should be 2-3 times the height of brush. Remove brush and smaller trees from underneath residual trees. A brush masticator or “Bull Hog” could be used where slopes are less than 30%. Aerial systems or other steep slope methods should be explored on area greater than 30%. Hand cut, pile, and burn. Use of herbicide could reduce sprouting of some species.

Thin forest stand from below, removing smaller trees and leaving larger ones to achieve the desired stocking rate of 80 to 100 square feet of basal area per acre. Where dominant trees are left, prune limbs to 15 feet above the ground and maintain a minimum tree spacing of 10 to 20 feet between crowns. Remove trees heavily infected with dwarf mistletoe or other disease.

*Prescribed fire could be used to reduce the brush understory, and desired where feasible to return fire to the landscape. It should only be applied in areas after thinning and slash pile burning are complete to maintain fire control.

Evaluation of the Extent to Which Completion of This Project Will Reduce the Fire Threat:

Treatment will reduce intensity of a fire near the existing homes and will reduce chance of fire crowning in area close to homes. Implementation of the prescription will reduce the competition among residual trees, increasing forest health and decreasing tree mortality. This will reduce the amount of accumulated dead and down material contributing to the fuel loadings on the forest floor. It will also reduce the chance of chunks of burning logs rolling downhill to homes and burning embers from snags causing spot fires.

If all of the recommendations in this report are implemented, there is still no guarantee that a devastating wildfire will not occur in the area. However, community awareness and individual attention to fuels management on private property and fuel reduction on state, federal, and county property will help to achieve the highest level of wildfire safety possible.

Identification of Protected Species or Other Critical Resources: Describe any measures that must be taken to protect critical wildlife habitat, historic

Environmental compliance measures must be implemented before project initiation. Stream Environment Zones are located in the project area and must be protected, employing appropriate TRPA mitigation measures.

Some threatened and endangered species exist in the Tahoe Basin. Appropriate avoidance and mitigation measures should be employed during project implementation.

Compliance with cultural resource protection may also be necessary. Check with TRPA and the NVSHPO to ensure cultural resources are protected.

Post-project Rehabilitation: Present scope of work in sufficient detail to facilitate procurement of bids and quotes.

Rehabilitate any fire control lines, landings or disturbed areas. Rehabilitation will be minimal if only hand methods are used. Where soil has been disturbed, TRPA rehabilitation measures and Best Management Practices would apply. This could include reseeding or mulching areas if necessary.

Estimated Timeline:

Desirable time of year to complete:

April - December

Estimated time required to complete project:

Two years if there are no threatened/endangered species concerns.

Estimated Cost: Present an estimate of the total cost of project completion and the basis for the estimate presented. If the project can be subdivided into phases or various components, present an estimated cost for each.

Cable yarding is recommended, however, no costs for cable yarding were available. The costs below are a minimum based on currently accepted methods in the Tahoe Basin.

Project Maintenance Requirements:

Periodic thinning or prescribed fire every 10 years can be used to maintain treated area.

Other Considerations: Describe any other considerations that must be taken into account to successfully complete this project such as permits, clearances, approvals, etc.

• Cultural and T&E clearance (USFS)
• Air Quality Permit from Nevada Division of Environmental Protection
• TRPA approval, which will still require compliance with NEPA
• SEZ clearance
• USFS approval