APPROVED BACKFILL
CALCULATOR
1.877.CSI.TANK
petroleum storage
Underground Fiberglass Storage tanks
separator Models
Aboveground oil/water separator
Interceptors for oil/sand/grit
Please call or email us to get more information about Lunch & Learns in your area. Put Lunch and Learn in the subject line and make sure to provide your contact information, company name, city, and state.
CSI Contact info:
Phone number: 1.877.CSI.TANK
Email: [email protected]
Please call or email us with any questions. You can also visit our Contact CSI or Request a Quote pages to fill out an online form.
CSI Contact info:
Phone number: 1.877.CSI.TANK
Email: [email protected]
The use of proper backfill is critical to long term underground storage tank performance. Only approved backfill is allowed when installing fiberglass storage tanks and the backfill must meet ASTM C-33 Fine Aggregate requirements for deleterious substances and soundness. To verify that your backfill material meets our specifications, use the Approved Backfill Calculator. Material like limestone, sandstone, crushed concrete, seashells or shale should not be used as backfill, because it may break down over time.
To begin: Select the backfill material you wish to verify. Then enter the required data from your provider’s sieve analysis and if your material meets our specification, you will receive a confirmation email from our Tank Technical Support department.
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UNDERGROUND
ABOVEGROUND
MANHOLES & WETWELLS
OTHER
Lunch
&
Learn
Quick
Contact
Please call or email us to get more information about Lunch & Learns in your area. Put Lunch and Learn in the subject line and make sure to provide your contact information, company name, city, and state.
CSI Contact info:
Phone number: 1.877.CSI.TANK
Email: [email protected]
Please call or email us with any questions. You can also visit our Contact CSI or Request a Quote pages to fill out an online form.
CSI Contact info:
Phone number: 1.877.CSI.TANK
Email: [email protected]
Request-A-Quote