More resources may be found on the web:
2015 Standard Specifications Section 96 Geosynthetics
2010 Standard Specifications Section 88 Engineering Fabrics
California DOT Home Page
GUIDANCE FOR TEMPORARY SOIL STABILIZATION - July 2003
• The above information is to be used only as a guide.
• Products on the above list can change without notice.
• California does not have a QPL for engineering fabrics.
(a) Specification regarding AOS seems contradictory. Please clarify with engineer the meaning of "sieve size, max." Are they referring to the number, or the correlating mm size? The spec requires 160 lb. tensile strength nonwovens, but also requires a max sieve size of 40 Sieve for Class A and 60 Sieve for Class B. This is not possible. Only Class C with a 70 Sieve can be met. US 160NW meets all other properties for all 3 classes including permittivity.
(b) US 250NW is 5 pounds short on Grab Breaking Load for Sediment Filter Bags.
(c) The Paving Fabric specification appears to contain an error. It requires a Minimum Mass of 4.1 sy/oz. AASHTO is Typical Mass of 4.1 sy/oz. We are not aware of a paving fabric with Minimum value of 4.1 oz/sy.
(d) Please Note : Exception - We are not aware of a product on the market that can meet this combination of strength and hydraulic properties. The required max sieve size of 0.012 inches eliminates almost every woven geotextile on the market. The few left would not meet the 0.20 permittivity requirement or the required strengths. Our purposed product has an Apparent Opening Size of 0.425 mm / 40 US Sieve / 0.0165 inches, a difference of 0.0045 inches.
US Fabrics is proud to serve the geotextile needs of the State of Califronia, including: Los Angeles, San Diego, San Jose, San Francisco, Fresno, Sacramento, Long Beach, Oakland, Bakersfield, Anaheim, Santa Ana, Riverside, Stockton, Chula Vista, Fremont, Irvine, San Bernardino, Modesto, Oxnard, Fontana, Moreno Valley, Glendale, Huntington Beach, Santa Clarita, Garden Grove, Santa Rosa, Oceanside, Rancho Cucamonga, Ontario, Lancaster, Elk Grove, Palmdale, Corona, Salinas, Pomona, Torrance, Hayward, Escondido, Sunnyvale, Pasadena, Fullerton, Orange, Thousand Oaks, Visalia, Simi Valley, Concord, Roseville, Santa Clara, Vallejo, Victorville, El Monte, Berkeley, Downey, Costa Mesa, Inglewood, Ventura, West Covina, Norwalk, Carlsbad, Fairfield, Richmond, Murrieta, Burbank, Antioch, Daly City, Temecul and all other areas of California.