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Crumb Rubber ModifierNew Verification Requirements
CalAPA ConferenceOctober 28, 2015
Donald Goss, Jr.Senior Manager, Product Technical Services
Valero Marketing & Supply Company
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CRM – New Verification Requirements
Key Issue: How should producers of CRM-modified asphalt products verify the quantity of CRM in their products?
Important for Caltrans – AB338 (2005) & PRC Sec. 42703 require annual reporting by Caltrans
Important for Industry – Desire for a uniform approach.
CRM – New Verification Requirements
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CRM – New Verification Requirements
March 2014 Caltrans/Industry began work on Scoping Document
July 2014 first meeting of the CRM Verification Subtask Group under RPC
An RPC “Expedited Issue” “Verification” got expanded!
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CRM – New Verification Requirements
March 2015 Caltrans/Industry finalized CRM Verification Protocols
Three Parts:1. CRM Source Verification2. Weights & Measures Protocol3. Independent Verification
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CRM – New Verification Requirements
• CRM Source Verification• A Chain of Custody Protocol• Verify that CRM is from USA• Caltrans maintains a Qualified Products List (QPL)• CRM suppliers under CalRecycle automatically meet requirements Out-of-state CRM suppliers must have equivalent documentation• CRM suppliers provide certification to CRM users
CRM – New Verification Requirements
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CRM – New Verification Requirements
• Weights and Measures Protocol• Applies to all Caltrans CRM binders
except Asphalt Rubber• Specifies equipment & procedures for blending CRM in asphalt• Solids measured by weight (load cells) Liquids measured by mass flow meters Requires plant process controller to meet certain specifications
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CRM – New Verification Requirements
• Independent Verification• CRM binder plant operator must be a licensed weighmaster• Must produce a weighmaster’s certification for each batch• Caltrans may visit CRM binder production unannounced Caltrans must be notified prior to CRM binder production Contractor completes CRM Usage Report
CRM – New Verification Requirements
Implementation Status:
METS has docs necessary to add Approved CRM Suppliers to Authorized Materials List
CRM Weights & Measures Protocol is added as “errata” section to the MPQP document http://www.dot.ca.gov/hq/construc/hma/MPQP.pdf
CT Construction Div. is finalizing the “proof copy” of the CRM Usage Report Form (CEM-4410)
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CRM – New Verification Requirements
Implementation Status:
[email protected] – email site for the deliverance of the CRM Usage Report Form is operable.
Spec changes for Sections 37, 39, 92 are ready for submittal to OE as RSS to 2015 Std. Specifications
Full implemented is required by July 1, 2016
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CRM – New Verification Requirements
Thank You!
Questions / Comments?
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