To ensure proper system operation, Eljen Corporation requires its Geotextile Sand Filter (GSF) products to be installed using an ASTM C33 sand with less than 10% passing a #100 sieve, and less than 5% passing a #200 sieve.
Reference the 430-10 Eljen Design and Installation Manual for Connecticut for the proper amount of specified sand required for installation.
Installers should request a sieve analysis from their material supplier to ensure that the specified sand that they are purchasing for use during installation of the Eljen GSF system meets the specified sand requirements listed below.
Reference the 430-10 Eljen Design and Installation Manual for Connecticut for the proper amount of specified sand required for installation.
Installers should request a sieve analysis from their material supplier to ensure that the specified sand that they are purchasing for use during installation of the Eljen GSF system meets the specified sand requirements listed below.
| Sieve Size | Sieve Square Opening Size | Specification Percent Passing |
|---|---|---|
| 0.375˝ | 9.5 mm | 100.0 |
| #4 | 4.75 mm | 95.0 – 100.00 |
| #8 | 2.36 mm | 80.0 – 100.0 |
| #16 | 1.18 mm | 50.0 – 85.0 |
| #30 | 600 μm | 25.0 – 60.0 |
| #50 | 300 μm | 5.0 – 30.0 |
| #100 | 150 μm | < 10.0 |
| #200 | 75 μm | < 3.0 |
