IMPROVEMENT PLANS for 2016 SKI TRAIL WIDENING 775-588-7500 212 Elks Point Rd., Ste. 443 HEAVENLY MOUNTAIN RESORT www.rci-nv.com EL DORADO COUNTY, CALIFORNIA APN 030-030-01
775-883-1600
DOUGLAS COUNTY, NEVADA 340 N. Minnesota St.
Carson City, NV 89703-4152 Zephyr Cove, NV 89448-8020 APN 1318-00-002-010 STANDARD ABBREVIATIONS SHEET INDEX @ AT O.G. ORIGINAL GROUND APPROX. APPROXIMATE ORIG. ORIGINAL AWWA AMERICAN WATER WORKS ASSOCIATION P.C.C. PORTLAND CONCRETE CEMENT SHEET 1 TITLE SHEET BLDG. BUILDING PE POLYETHYLENE BLVD BOULEVARD PL PROPERTY LINE SHEET 2 SHEET INDEX BM BENCH MARK PP POWER POLE CL CENTERLINE PT POINT CORRUGATED METAL PIPE PVMT SHEET 3 IN AND OUT OF BASIN AREAS - TOP OF GONDOLA CMP PAVEMENT CO CLEAN OUT R\W RIGHT-OF-WAY CONST. CONSTRUCT S.F. SQUARE FEET SHEET 4 IN BASIN AREAS - SOUTH CULVERT CULV. SD STORM DRAIN C.Y. CUBIC YARDS STORM DRAIN MANHOLE IN BASIN AREAS - WEST D.I. DROP INLET SDMH SHEET 5 SHEET DIA. DIAMETER SHT. SPECIFICATIONS DR DRIVE SPECS OUT OF BASIN AREAS - NORTH SQUARE FEET SHEET 6 DWG DRAWING SQ.FT. SS SANITARY SEWER E ELECTRIC Resource Concepts Inc SANITARY SEWER MANHOLE SHEET 7 OUT OF BASIN AREAS - SOUTH EA. EACH SSMH TOP OF BANK EASE. EASEMENT TB TOP BACK OF CURB EL., ELEV. ELEVATION TBC SHEET 8 EROSION CONTROL DETAILS TELEPHONE EP EDGE OF PAVEMENT TELE. TYP. TYPICAL EXIST.,EX. EXISTING SHEET 9 PROJECT NOTES UTIL. UTILITY FG FINISH GRADE F.H. FIRE HYDRANT VERT. VERTICAL FL FLOWLINE W WATER FND. FOUND W/ WITH FT. FEET, FOOT WM WATER METER G GAS W.V. WATER VALVE GV GATE VALVE HORIZ. HORIZONTAL HWY HIGHWAY OWNER I.E. INVERT ELEVATION PROJECT LOCATION IMPROV. IMPROVEMENT L.F. LINEAR FEET HEAVENLY VALLEY LIMITED PARTNERSHIP M.H. MANHOLE MAX. MAXIMUM P.O. BOX 2180 MIN. MINIMUM MON. MONUMENT STATELINE, NV 89449 NTS NOT TO SCALE (775) 586-7000
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Know what's below. Call before you dig. SHEET 1 S H E E T 6 775-588-7500 212 Elks Point Rd., Ste. 443 www.rci-nv.com 775-883-1600 340 N. Minnesota St. Carson City, NV 89703-4152 Zephyr Cove, NV 89448-8020
APN 1318-00-002-010 LEGEND: DOUGLAS COUNTY BASIN BOUNDARY FIBER ROLLS X X BOUNDARY FENCE/TREE PROTECTION EX. SNOWMAKING WATER PIPE EXISTING SNOWMAKING AIR PIPE REALIGNED SNOWMAKING WATER PIPE APN 030-030-01 S H E E T 7 GONDOLA EL DORADO COUNTY REALIGNED SNOWMAKING AIR PIPE LAND CAPABILITY DISTRICT BOUNDARY
DRABA AVOIDANCE AREA
EXISITNG SKI LIFT
TRAIL WIDENING AREA - IN BASIN Resource Concepts Inc TRAIL WIDENING AREA - OUT OF BASIN
HAZARD REDUCTION - IN BASIN
HAZARD REDUCTION - OUT OF BASIN
WHITEBARK PINE CONSERVATION AREA
1A LAND CAPABILITY DISTRICT
HEAVENLY FLYER ZIPLINE
S H E E T 3 CALIFORNIANEVADA
S H E E T 5
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16-608.7
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Know what's below. Call before you dig. SHEET 2 LITTLE DIPPER
1A
GONDOLA BASIN
BOUNDARY 775-588-7500 STEVE'S TAMARACK 212 Elks Point Rd., Ste. 443 LODGE
OW-2 IW-1 2.5 AC www.rci-nv.com
X X 0.3 AC SEE SHEET 4 TOP OF THE
STAGING GONDOLA X AREA X LEGEND:
ORION'S TRAIL 775-883-1600 X X OH-1 BASIN BOUNDARY IH-4 340 N. Minnesota St.
X X 4.9 AC FIBER ROLLS
Carson City, NV 89703-4152 Zephyr Cove, NV 89448-8020
X X 2.3 AC X X X X BOUNDARY FENCE/TREE PROTECTION IW-2 PLACE FIBER ROLLS 0.3 AC EX. SNOWMAKING WATER PIPE ALONG DOWNSTREAM EDGE EXISTING SNOWMAKING AIR PIPE OF STAGING AREA (TYP) REALIGNED SNOWMAKING WATER PIPE ACCESS TO STAGING AREA OFF EX. SUMMER ACCESS ROAD TO 49ER REALIGNED SNOWMAKING AIR PIPE BE FIELD FIT AND LIMITS DEFINED IW-2 LAND CAPABILITY DISTRICT BOUNDARY STAGING WITH ROPE BOUNDARY 0.3 AC COMET EXPRESS
AREA DRABA AVOIDANCE AREA
FENCE (TYP) X X X IH-4 EXISITNG SKI LIFT 0.1 AC TRAIL WIDENING AREA - IN BASIN
TRAIL WIDENING AREA - OUT OF BASIN
DIPPER EXPRESS IW-2 HAZARD REDUCTION - IN BASIN 0.2 AC IW-2 HAZARD REDUCTION - OUT OF BASIN 0.1 AC
OH-3 Resource Concepts Inc IW-2 WHITEBARK PINE CONSERVATION AREA 0.2 AC IH-3 OW-2 3.3 AC 2.0 AC 1.1 AC HEAVENLY FLYER ZIPLINE 1A LAND CAPABILITY DISTRICT
IW-2 0.1 AC BIG DIPPER
IW-3 0.3 AC
IH-1 7.3 AC IH-2 2.8 AC METEOR SAM'S IH-2DREAM 0.7 AC
RELOCATE APPROX. 810 LF OF EXISTINGEDGE SNOWMAKING OF RUN. FINAL SHEET 8.
AIR AND WATER LINES TO NEW BE FIELD FIT BASED ON LOCATION OF NEW LINES TO 1B CASCADE SITE CONDITIONS. SEE DETAILS,
TAMARACK EXPRESS
OW-2 OW-3 6.4 AC 1.2 AC CALIFORNIANEVADA
CALIFORNIA TRAIL
EX. SNOWMAKING WATER AND AIR LINE
S E OF E S I O NAL NG I PR N O N E A S I E D E M. G L S R E L A E L M E F R E N S E H B O L G T T C R E I A S N P MI MICHELLE M. T I
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16-608.7
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Know what's below. Call before you dig. SHEET 3 1B PLACE FIBER ROLLS ALONG DOWNSTREAM EDGE OF STAGING AREA X (TYP)
STAGING X AREA
1B X X
X 775-588-7500 IW-6 0.3 AC 212 Elks Point Rd., Ste. 443
X
MAGGIE'S X X SKY EXPRESS www.rci-nv.com DOUBLE DOWN LEGEND: 1A BASIN BOUNDARY 775-883-1600
ACCESS TO STAGING AREA FIBER ROLLS 340 N. Minnesota St.
RIDGE BOWL X X BOUNDARY FENCE/TREE PROTECTION Carson City, NV 89703-4152 Zephyr Cove, NV 89448-8020 OFF EX. SUMMER ACCESS ROAD TO BE FIELD FIT AND EX. SNOWMAKING WATER PIPE LIMITS DEFINED WITH ROPE EXISTING SNOWMAKING AIR PIPE BOUNDARY FENCE (TYP) CANYON EXPRESS REALIGNED SNOWMAKING WATER PIPE REALIGNED SNOWMAKING AIR PIPE
LAND CAPABILITY DISTRICT BOUNDARY
DRABA AVOIDANCE AREA
EXISITNG SKI LIFT
TRAIL WIDENING AREA - IN BASIN
TRAIL WIDENING AREA - OUT OF BASIN
HAZARD REDUCTION - IN BASIN
HAZARD REDUCTION - OUT OF BASIN
WHITEBARK PINE CONSERVATION AREA Resource Concepts Inc
1A LAND CAPABILITY DISTRICT RIDGE RUN
EX. SNOWMAKING WATER AND AIR LINE RIDGE RUN
IW-4 2.3 AC
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IW-4 0.6 AC
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Know what's below. Call before you dig. SHEET 4 AERIA; TRAMWAY GUNBARREL EXPRESS 775-588-7500 212 Elks Point Rd., Ste. 443 Zephyr Cove, NV 89448-8020
1A www.rci-nv.com 1B
ACCESS TO STAGING AREA OFF LEGEND: 775-883-1600
EX. SUMMER ACCESS ROAD TO 340 N. Minnesota St.
BASIN BOUNDARY
BE FIELD FIT AND LIMITS DEFINED Carson City, NV 89703-4152 WITH ROPE BOUNDARY FENCE X X FIBER ROLLS PLACE FIBER ROLLS X X BOUNDARY FENCE/TREE PROTECTION
ALONG DOWNSTREAM X X EX. SNOWMAKING WATER PIPE X EDGE OF STAGING AREA
(TYP) EXISTING SNOWMAKING AIR PIPE X X STAGING REALIGNED SNOWMAKING WATER PIPE
AREA X REALIGNED SNOWMAKING AIR PIPE
X LAND CAPABILITY DISTRICT BOUNDARY X
PATSY'S DRABA AVOIDANCE AREA
GROOVE EXISITNG SKI LIFT
TRAIL WIDENING AREA - IN BASIN
PLACE FIBER ROLLS TRAIL WIDENING AREA - OUT OF BASIN ALONG DOWNSTREAM
EDGE OF STAGING AREA HAZARD REDUCTION - IN BASIN
IH-5 X (TYP)
3.3 AC HAZARD REDUCTION - OUT OF BASIN Resource Concepts Inc
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STAGING AREA X 1A WHITEBARK PINE CONSERVATION AREA
X 1A LAND CAPABILITY DISTRICT
X X
X X
ROUND-A-BOUT
POWDERBOWL EXPRESS
POWDERBOWL RUN
IW-5 1.0 AC
F E S S I RO O N P A D L E M. G L E L AM E R E N E H B L G T C E I S N
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Know what's below. Call before you dig. SHEET 5 NEVADA TRAIL LOWER
OW-4 3.2 AC 775-588-7500 212 Elks Point Rd., Ste. 443 Zephyr Cove, NV 89448-8020 www.rci-nv.com
LEGEND: 775-883-1600 340 N. Minnesota St.
RE-GRADE WIDENED SPOT. SPOILS TO BE BASIN BOUNDARY
AREA TO REMOVE HIGH SPREAD ON ADJACENT
RUN TO A DEPTH OF NO Carson City, NV 89703-4152
PER THE REVEGETATION
SPECIFICATIONS, SHEET 9. MORE THAN 6". DISTURBED FIBER ROLLS
AREAS SHALL BE REVEGETATED X X BOUNDARY FENCE/TREE PROTECTION EX. SNOWMAKING WATER PIPE EXISTING SNOWMAKING AIR PIPE OLYMPIC DOWNHILL REALIGNED SNOWMAKING WATER PIPE REALIGNED SNOWMAKING AIR PIPE
LAND CAPABILITY DISTRICT BOUNDARY
DRABA AVOIDANCE AREA
EXISITNG SKI LIFT
TRAIL WIDENING AREA - IN BASIN
TRAIL WIDENING AREA - OUT OF BASIN
NORTH BOWL HAZARD REDUCTION - IN BASIN
HAZARD REDUCTION - OUT OF BASIN Resource Concepts Inc
WHITEBARK PINE CONSERVATION AREA
1A LAND CAPABILITY DISTRICT
NORTH BOWL
NEVADA TRAIL STAGECOACH UPPER
OH-2 10.1 AC STAGECOACH EXPRESS
IW-7 0.5 AC
CROSSOVER NORTH BOWL UPPER
OLYMPIC EXPRESS X
$100 sADDLE
X X
STAGING AREA
X X
ACCESS TO STAGING AREA OFF EX. SUMMER ACCESS ROAD TO BE FIELD FIT AND LIMITS DEFINED GALAXY WITH ROPE BOUNDARY FENCE BASIN BOUNDARY
AL E NG I ON N E S I E S R E NOTES: F S O T R A
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2. THE REALIGNED SNOWMAKING WATER AND AIR LINES MAY HAVE TO BE ADJUSTED IN THE FIELD BASED ON E A R ACTUAL LOCATION OF EXISTING UTILITIES AND NATURAL FEATURES. N o. 16974 3. SELECT TREES TO BE REMOVED UNDERNEATH THE BLUE STREAK ZIPLINE TO FACILITATE THE EFFICIENT ANNUAL REMOVAL AND REINSTALLMENT OF THE RIDING AND RETURN CABLES. ALL EFFORTS WILL BE MADE TO RETAIN TREES, ESPECIALLY WHITEBARK PINE TREES. LIMBING WILL BE USED WHERE FEASIBLE. 16-608.7 TOTAL AREA TO BE CLEARED IS LESS THAN 0.5 ACRES. SEE SHEET 1 FOR TREE REMOVAL TABLES. R 01-13-17 4. ALL TREE REMOVAL ACTIVITIES SHALL COMPLY WITH THE TRPA CODE OF ORDINANCES CHAPTER 61 - TREE REMOVAL. Know what's below. Call before you dig. SHEET 6 PLACE FIBER ROLLS X ALONG DOWNSTREAM EDGE
OF STAGING AREA (TYP) X
ACCESS TO STAGING AREA OFF STAGING X EX. SUMMER ACCESS ROAD TO AREA TO BE BE FIELD FIT AND LIMITS DEFINED FIELD FIT WITH ROPE BOUNDARY X
FENCE (TYP) X 775-588-7500 212 Elks Point Rd., Ste. 443 Zephyr Cove, NV 89448-8020
EAST PEAK CANOPY TOUR LEGEND: www.rci-nv.com
EAST PEAK CANOPY TOUR BASIN BOUNDARY FIBER ROLLS 775-883-1600 X BOUNDARY FENCE/TREE PROTECTION
X 340 N. Minnesota St.
EX. SNOWMAKING WATER PIPE Carson City, NV 89703-4152 EXISTING SNOWMAKING AIR PIPE OW-2 0.9 AC REALIGNED SNOWMAKING WATER PIPE REALIGNED SNOWMAKING AIR PIPE
OW-1 LAND CAPABILITY DISTRICT BOUNDARY 0.2 AC DRABA AVOIDANCE AREA
EXISITNG SKI LIFT
TRAIL WIDENING AREA - IN BASIN
OW-5 TRAIL WIDENING AREA - OUT OF BASIN 0.2 AC HAZARD REDUCTION - IN BASIN
HAZARD REDUCTION - OUT OF BASIN
WHITEBARK PINE CONSERVATION AREA
1A LAND CAPABILITY DISTRICT Resource Concepts Inc
ORION'S TRAIL OW-1 3.1 AC
COMET
DIPPER EXPRESS OW-2 COMET EXPRESS 2.5 AC
LITTLE DIPPER
OH-1 4.9 AC SEE SHEET 5
AL E NG I ON N E S I E S R E F S O RE-GRADE WIDENED T R A
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16-608.7
R 01-13-17
Know what's below. Call before you dig. SHEET 7 2' TYP. 775-588-7500 212 Elks Point Rd., Ste. 443 Zephyr Cove, NV 89448-8020 www.rci-nv.com 775-883-1600 340 N. Minnesota St. Carson City, NV 89703-4152
SNOWMAKING LINES TEMPORARY SEDIMENT BARRIER TEMPORARY EROSION CONTROL SHALLOW BURY DETAIL FIBER ROLLS TREE PROTECTION DETAIL Resource Concepts Inc
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FOR TRENCHING PARALLEL TO STEEP SLOPES S A T C TYPICAL FILTER FENCE A I V I L I N T E R OF C A L IF O
16-608.7
R 01-13-17
Know what's below. Call before you dig. SHEET 8 EROSION CONTROL NOTES HAZARD REDUCTION PRESCRIPTION REVEGETATION SPECIFICATIONS (Taken From the Heavenly Ski Resort Master Plan Part 1. General 1. For all use of the staging area when snow cover is not present, Heavenly shall have all temporary erosion control measures in place and Appendix 3) approved by TRPA. Heavenly shall incorporate adequate drainage procedures during the construction process to eliminate excessive All areas disturbed during construction, including access corridors, storage areas, staging areas, and construction areas shall be stabilized ponding and/or erosion. After a rainstorm in which runoff occurred, all silt and debris must be removed from temporary erosion control 1. PROJECT OBJECTIVES measures, and any damaged erosion control measures must be repaired. according to these specifications. Upon completion of grading and construction, and prior to revegetation, all areas to be revegetated will be inspected by the engineer's revegetation specialist (RS). Final seeding and mulch treatment areas will be staked in the field at that time. Reduce height of existing effective surface cover (felled trees, large woody debris, stumps, and boulders) to between 12 to 18 inches. 2. An onsite inspection by TRPA staff is required prior to any construction or grading activity. TRPA staff shall determine if the onsite · Revegetation treatments performed by an outside contractor shall not be initiated without the approval of the engineer. The contractor shall · Reduce consumption of electrical energy and water resources. notify the engineer at least five working days prior to planting to schedule the required inspection. Revegetation performed by Heavenly construction temporary erosion control measures have been properly installed. No grading or construction shall commence until TRPA Attain and maintain the 70% total effective surface cover as required by the Cumulative Watershed Effects (CWE) Analysis. pre-grade conditions of approval are met. · personnel need not be approved by the engineer or the revegetation specialist prior to initiating revegetation work. · Provide a variety of surface cover for wildlife microhabitat. 775-588-7500 Avoid known Tahoe draba populations. 3. Heavenly shall be responsible to install and maintain all temporary erosion control measures to ensure proper working conditions. Roads · Stabilization treatments shall be installed as per these specifications and the plan sheets and shall consist of wood chip incorporation into the top 12 inches of soil, seeding, and pine needle/wood chip mulch application to a loose depth of 2 inches. used during construction will be inspected daily by Heavenly for drainage and grading. Ruts will be repaired immediately. Waterbars, 212 Elks Point Rd., Ste. 443 Zephyr Cove, NV 89448-8020 culverts, and ditches (drainage structures) will be maintained on a daily basis during construction. 2. PROJECT PRESCRIPTIONS Part 2. Products and Execution of Treatments 4. Sediment barriers and construction limit fencing will be inspected daily during construction by Heavenly personnel for damage and The following prescriptions will be implemented. A combination of prescriptions, outlined below, will be field-verified by Heavenly appropriate placement. Sediment barriers shall be repaired and/or relocated as needed on a daily basis. representatives and those of other agencies in order to achieve the stated objectives. SEED 5. Temporary BMP measures shall be installed in all shallow bury snowmaking pipe locations. A. Prescription 1: Protect Native Plants and Revegetate Seed mixtures are shown in Table 1 on this sheet. www.rci-nv.com 6. Excavation shall not exceed 5-feet below ground surface. · Existing native shrubs in the treatment areas will be field identified and avoided to the greatest extent possible. Seed shall be clean new crop seed, purchased premixed on a pure live seed (pls) basis and approved by the USFS LTBMU before purchase. Within the snowmaking construction corridor, revegetation activities will be completed as planned. See Sheet 3. Seed shall be delivered to the site in original unopened containers bearing the dealer's guaranteed analysis and germination percentage, and 7. Disturbed areas, roadways, and staging areas used during construction shall be swept (if paved) and provided with dust abatement such · shall meet the state of Nevada freedom from noxious weed requirements for areas to be revegetated within Nevada. No substitutions in the seed as a water truck as needed. B. Prescription 2: Remove Noxious Weeds mixture will be accepted without written approval from the RS.
8. For all native trees to remain, temporary construction fence shall be installed around the dripline of all trees adjacent to the road and work 775-883-1600 · Noxious weeds shall be flagged by a qualified Heavenly representative or consultant, isolated from project activity, and Seed labels shall be removed from the seed sacks by the RS at the time of seeding. Seed labels will include documentation for each type of areas, where feasible, or other measures deemed appropriate by the TRPA inspector. 340 N. Minnesota St. reported to the Lake Tahoe Basin Management Unit's (LTBMU) Ecosystem Conservation Department for formal seed certifying that a recognized laboratory tested the seed within 6 months of the date of delivery. taxonomic identification and removal activity scheduling. Carson City, NV 89703-4152 9. Heavenly shall be responsible for maintaining the site in a neat and orderly manner throughout the construction process. C. Prescription 3: Chip Existing Felled Trees and Large Woody Debris WOOD CHIPS 10. The log staging area will be minimized and delineated with project boundary fencing whenever snow cover is not present. · All existing limbs shall be either chipped and spread evenly or scattered where the maximum height does not exceed Wood chips shall be prepared from trees removed during construction and maintenance activities on heavenly mountain resort. Tops and 12 to 18 inches. 11. Turning or maneuvering of backhoe, excavator or other equipment will be minimized to reduce soil disturbance. branches of trees removed on this and other Heavenly Mountain Resort project sites will be chipped to a minimum diameter of 2 inches, · Existing felled trees that are chipped shall result in a mulch evenly distributed to an average depth of three inches. and a maximum length of 6 inches. 12. Construction traffic off of the existing roads will be limited to one excavator and snowcats for tree removal and boulder replacement. D. Prescription 4: Treat Existing Large Diameter Logs PINE NEEDLES
Large diameter logs cannot be mechanically chipped and will be treated separtely as described below: Pine needles salvaged from the construction site or from other sources near the project area or within the Lake Tahoe Basin can be used TRAIL WIDENING PRESCRIPTION as a mulch material. Pine needle mulch shall be weed free and clean without debris, or excessive woody material. · Existing large diameter logs shall be removed from the run with excavator on site for snowmaking construction. Logs shall be placed in adjacent forested areas off of the designated ski run to mimic natural surroundings. · SOIL TREATMENT 1. Trail widening shall consist of tree removal and select boulder relocation. · Logs along steeper sections will be mechanically placed perpendicular to the slope where needed to reduce soil erosion hazards. All areas to be seeded shall be loosened to a depth of at least 12 inches to alleviate compaction and to incorporate wood chips to 2. All tree removal shall be conducted over snow. improve water infiltration and water holding capacity. A uniform 3-inch layer of wood chips shall be spread across the surface of the E. Prescription 5: Grind Existing Tree Stumps treatment areas. Wood chips shall be incorporated into the top 12 inches of soil by an approved loosening method. Areas shall be raked 3. Trees shall be skidded behind a snowcat over a minimum of 12-inches of compacted snow to a staging area as shown on the plans. smooth following wood chip incorporation. · Stumps shall not be removed and soil disturbance will not occur. · Stumps shall be cut or ground to less than 6 inches in height from the soil surface whenever safely possible. 4. Removed trees shall be limbed and chipped at the staging area for use as mulch and soil amendment. SEEDBED PREPARATION F. Prescription 6: Reduce Height of Boulders 5. Trees to be removed (over 6-inches in diameter dbh) will be flagged in the field. Areas designated for seeding by the RS shall be uniformly broadcast seeded with hand operated broadcast seeders. The contractor shall · Boulders shall be capped (blasted with explosives) to a height of 12 to 18 inches. provide the RS a written statement or site demonstration to verify that the seeding broadcast equipment has been calibrated to the Boulders will be moved by hand whenever possible, but the excavator onsite for the snowmaking installation may also 6. Low lying vegetation shall be left undisturbed and protected to the greatest extent practicable. · specified application rates. Seeding shall not occur under conditions that would allow seed to become wind born. Seed shall not be be utilized. Resource Concepts Inc incorporated and applied with hydromulch. Immediately following broadcasting, the seeded areas shall be lightly hand-raked to place the 7. Large boulders along the edge of the existing trails within the widening areas may be relocated or capped to minimize the obstructions to · Fragments shall be placed as to maximize contact with the soil surface with efforts to mimic the natural surroundings. seed at depth of ¼ to ½ inch into the soil. No further vehicular access will be allowed on treatment areas upon completion of seeding. skiers and grooming equipment. Boulders shall be removed through the use of an excavator and replaced in existing depressions along Seedings shall not be left overnight without receiving mulch treatment. the ski trails. Boulders that cannot be removed will be capped. Boulder relocation shall occur in the summer. 3. IMPROVING SOIL RESOURCES PINE NEEDLE/WOOD CHIP MULCH 8. Where present in usable quantities, existing topsoil or organic material shall first be removed and stockpiled for later use in revegetation of Rather than simply spreading the wood chips or other organic material on top of the soil, use aged organic material to blend areas disturbed or compacted by heavy equipment. Achieve 70% effective soil cover over areas disturbed as a result of this project. · into the onsite soil when possible based on site constraints; and All seeded areas shall be mulched with pine needles or wood chips. Pine needle mulch shall be spread across seeded areas in a · When using the aged material is not possible, till wood chips into the onsite soil rather than spreading them over the top of the loose 2” layer to achieve a minimum of 90 percent cover. 9. Existing snowmaking water and air lines noted for realignment will be removed using an excavator. Snowmaking lines realignment will soil. occur during the summer.
10. All areas disturbed due to excavator movement shall be ripped to a minimum depth of 12-inches and mulched with a pine needle mulch to 4. IMPROVING WILDLIFE HABITAT a minimum depth of 2-inches. · Leave all shrubs and groundcover that are 18" in height or less on the run. · Plant native shrub or groundcover seedlings in certain areas where they are most likely to survive that mimic the surrounding shrub and groundcover populations where possible in order to encourage plant establishment and provide shelter for rodents (this technique will also provide water quality benefits). TAHOE DRABA AVOIDANCE PLAN · Leave some areas of bare soil in order to serve as seed caches for rodents and birds. · When placing rock on the slope, create pockets within groups of rock and create rock ledges with overhangs in order to provide Surveys for Tahoe draba (draba asterophora var. Asterophora) were performed by Lake Tahoe Basin Management Unit refuge for rodents and small mammals. Botanists and Hauge Brueck Associates Biologists. · Rocks that are capped should have any removed pieces that are intact left on the run and arranged in such a manor that leaves overhangs and other spaces for wildlife shelter. Plants were located near the Tamarack Express upper terminal. In order to avoid and protect the existing plants the · Provide variety of higher heights of rock, not simply the minimum height of 12 inches (this technique will also provide visual following measures shall be taken: quality benefits). · Logs equal to or less than 18" diameter will be trimmed of branches so that all branches that are lower in height than the diameter · All facilities that are proposed to be located within potenital Tahoe draba habitat shall have surveys of the log remain in order to provide micro-scale habitat for rodents and small mammals. performed prior to site planning for the facility. All in-basin Tahoe draba plants shall be avoided and · Logs between 12" and 18" diameter should be present in densities at or greater than the surrounding forest or no less than 10 protected using protective measures identified below for in-basin projects. logs per acre, whichever is greater. · For out-of-basin projects and for in-basin projects as outlined below, minimize loss of Tahoe draba · Logs should be aligned across the slope on the ground surface or removed to the staging area. plants by installing protective fencing around occupied habitat that is adjacent to Forest Service · Logs greater than 18" in diameter shall be moved to the edge of the run and aligned across the slope so that the portion of the approved projects. Fencing shall be installed prior to the onset of construction, shall be at least 4 log that is 18" or less in diameter is left within the run or removed to the staging area. feet in height, and shall be installed along the boundary of any construction zone, staging areas, or · In some cases, it may be desirable to leave larger diameter logs in place in the run (up to 24" diameter). In those cases, the roads and trails that will be used for construction access and are located adjacent to existing Tahoe prescriptions may be modified to account for larger diameter logs left and different amounts of logs per acre that will be left in the draba plants. Plants located within the approved construction footprint may be disturbed for run. out-of-basin projects only. Fencing will be maintained throughout the duration of construction activities and removed upon completion of the project and prior to the opening of the ski season. 5. IMPROVING VISUAL QUALITY Installation of information signs and working education shall also be required to inform construction crews of the purpose of the fencing. · Randomly feather logs placed across the slope from the cleared run into the edges of the adjacent forested area in order to add visual variety and avoid uniform log placement. · For in-basin projects, avoid loss of Tahoe draba by siting facilities away from Tahoe draba populations and by installing protective fencing around occupied habitat where it is adjacent to proposed facilities. 6. INCORPORATING UNDERGROUND UTILITIES · Construction activities should avoid capping rocks/boulders that have Tahoe draba growing near them. If rocks must be capped near Tahoe draba populations, existing plants shall be covered · Do not create longitudinal depressions or troughs that can serve as conduits for surface water runoff when installing underground during blasting with canisters or other approved protective measures. This measure is in addition to utilities and/or removing large volumes of soil or rock which results in a significant alteration of the slope shape. the fencing described above. · Fences and blasting operations near Tahoe draba plants shall be monitored for the duration of the 7. CONSTRUCTION TECHNIQUES construction season by contractors, Heavenly staff, and Forest botanists to ensure compliance. Select the optimum pieces of equipment given the site conditions to achieve the hazard reduction objectives while minimizing · Develop and implement an employee orientation and training program for Tahoe draba for those · employees associated with summer operations, such as interpretive programs, zip line, and hiking unwanted environmental effects. trails. Interpretive materials may include a description or illustration of Tahoe draba, an overview of · Consider timing of the work relative to soil moisture, soil compaction potential, the ability to deliver equipment or materials to an the plant's natural history, general location of the species at Heavenly, and measures that could be unroaded slope while snow pack still exists. employed to protect the plant and its habitat from disturbance. Interpretive materials and services · Combine slope hazard reduction work with other tasks such as snowmaking installation in order to complete the work with one should be provided at entry points for summer visitors to the resort. entry.
F E S S I RO O N P A M. L D L E G E L AM E R E B N E H L G T C E I S N MI I
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G
No. C 65764 E
E R
R Exp. 9-30-17
S T C I V I L I A A N T E R OF C A L IF O
16-608.7
R 01-13-17
Know what's below. Call before you dig. SHEET 9