The ground snow load is 150 P.S.F. A Structural Engineer can provide reductions (alterations) to this requirement.
Based on the ASCE 7-16 code cycle. Risk Category 1: 110 mph Risk Category 2: 120 mph Risk Category 3: 130 mph Risk Category 4: 130 mph
The seismic zone for the City of South Lake Tahoe is D.
Subject to Weathering from Weathering:
B C if project within 300 feet of lake
Exterior Footings - Frost Depth
All exterior footings or piers shall extend at least 18” below finish grade (frost depth protection).
Ice Barrier Underlayment Required:
The soil bearing is 1500 pounds per square foot. A statement by the engineer classifying the soil per CBC Chapter 1603.1.6 is also acceptable up to 2000 pounds per square foot.
Gas Pressure Test
Must hold 15 pounds (minimum) for 15 minutes (minimum)
42" Minimum depth for exterior domestic water supply
Above Grade Clearance to Wood
70 square feet minimum area No dimension less than 7 feet across Arc fault protection w/ tamper resistant plugs Emergency Egress Window Light and Ventilation Smoke Detector
7’ minimum for all habitable space Slope Ceilings - 50% of required floor area shall be 7’
Emergency Egress Window
20" wide x 24" tall minimum openable area (5.7 sq ft) 44" max distance from floor to clear opening of window
Maximum 7 3/4" Rise Minimum 10" Tread Nosing required on any stairs with solid risers: 3/4" Minimum to 1 1/4" Maximum 3/8" maximum difference between the smallest and largest tread/rise in a flight of stairs Minimum 6’8" headroom above stair treads