NMFC 51033 - Bituminized Fiber Slope Drains | Class 100

Note 51034: NOTE-Applies on drains fabricated from pipe by cutting lengthwise in half or third sections.

To find the correct freight class for your shipment:

1. List NMFC 51033 and Class 100 on the BOL; describe as “bituminized fiber slope drains or fittings” and note packaging as loose or packages. Reference Note item 51034 when clarification of material is needed.
2. Bundle and protect: strap with edge guards, use wood cradles or V-blocks, and cap pipe ends. Add wrap to prevent abrasion and asphalt transfer; e.g., 8–12 ft sections banded 6–10 per bundle.
3. Plan for length and handling: confirm overlength thresholds (often >96 in) and book carriers experienced with conduit. Use wide forks or spreader bars and avoid stacking heavy freight on top.
4. Mind environment: avoid prolonged high heat that can soften the asphalt binder and extreme cold that can embrittle fiber. Keep dry and off the ground during cross-dock and delivery.

Note: All classifications are subject to Item 170. Verify with official NMFC publications for the most current requirements.

• Predictable rating: fixed Class 100 removes density math and cuts reclass disputes, improving quote accuracy and billing speed.
• Packaging flexibility: ship loose or packaged, enabling yard-to-jobsite deliveries and crew-ready bundles that reduce handling labor.
• Simplified compliance: non-hazardous designation streamlines paperwork and avoids hazmat surcharges, accelerating pickups and transit.
• Lower damage and fee risk: proper bundling limits ovalization and edge crush, while planning around overlength rules reduces surcharge exposure.