Shaw Resources has developed a reputation for high quality sands and stones for on-site sewage disposal systems. Products available from the Nova Scotia Sand & Gravel operation include:
1. Filter Sand (2-8min)
Washed, classified septic sand with consistent particle size distribution, producing consistent permeability ratings in the range of 5.5x10(-4) m/sec to 1.0x10(-4) m/sec (2 to 8 minutes) using the Nova Scotia Department of Environment Simplified Falling-Head Permeameter Test. Required along the bottom of the preforated pipe for C1, C2, and sloping sand filter beds (indlude C1 raised + C2 raised).
2. Imported Sand Fill (2 - 30min)
Screened 12.5mm or smaller, this sand is blended to meet regional Department of Environment standards, with production parameters of 5.5x10(-4) m/sec to 2.8x10(-5) m/sec (2 to 30 minutes) using the Nova Scotia Department of Environment Simplified Falling-Head Permeameter Test. Production and shipping tests for this material are conducted on an ongoing basis to ensure failure-free performance.
Products available from the Keddy Aggregete operation include:
1. Septic Field Sand
#2 NSSG description with filter sand specs.
2. Selective Pit-Run Sand
An economical sand tested and monitored, although with variations in product gradations and permeability rates. There is no guaranteed permenbility rate for this product.
3. Septic Stone
Double-washed natural stone, Shaw's septic stone is screened 1/2" and 1" and meets or exceeds Nova Scotia Environment Department standards.