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Traffic Rated Trench Drain System - 39.37" Channel - S100K

Traffic Rated Trench Drain System - 39.37" Channel - S100K

Traffic Rated Trench Drain System - 39.37" Channel - S100K

$285.00


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SKU S100K

The Traffic Rated Trench Drain System is designed for projects where space is limited but strength and performance cannot be compromised. With a streamlined 4-inch (100 mm) internal width, it provides outstanding load-bearing capacity and efficient water management, making it a reliable choice for roadways, industrial facilities, and high-traffic commercial areas.

Key Highlights:

  • Rugged Construction – Built with a polymer concrete body and reinforced ductile iron edge rails for long-lasting durability, superior strength, and excellent resistance to chemicals.

  • Extreme Load Capacity – Rated to EN 1433 Class F, capable of withstanding proof loads of up to 200,000 lb, ensuring dependable performance under the heaviest vehicular traffic.

  • Efficient & Secure – Features a built-in 0.5% slope and V-shaped invert for fast, controlled drainage, combined with the PowerLok® boltless grate locking system and anti-shunt lugs for maximum safety and stability.

System Selection:

  • Scroll down to select your system components. Multiple channel units are connected together and then paired with accessories such as catch basins and grates. 


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Spec Sheets

Expand the menu below to view product specification sheets.

View Spec Sheets

Part Specification

3 Part Specification - PowerDrain - Heavy Duty Trench Drain

 

Trench Systems

PowerDrain - S100K iron edged channel system with longitudinal grate - ADA

PowerDrain - S100K iron edged channel system with slotted grate

PowerDrain - S100K iron edged channels

 

Grates

PowerDrain - S100K Ductile Iron Longitudinal Grate Spec Sheet

PowerDrain - S100K Ductile Iron Slotted Grate Spec Sheet

PowerDrain - S100K 4-Bolt Ductile Iron Grate Spec Sheet

 

Catch Basins

SK1-621D Catch Basin.pdf

SK1-631D Catch Basin.pdf

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  • Orders typically ship in 1-3 business days. Transit times displayed in the map are listed in business days, and are approximate. The day that the order is shipped is not counted as a transit day.
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Trench Drain System & Accessories (Free Shipping)

Please see the below product listing. Please note, accessories (grates, basins, caps, etc.) must be purchased with a trench drain system including channels and cannot ship alone.

Traffic Rated Trench Drain System: Complete Buyer’s Guide for Heavy-Traffic Sites

Summary: When space is tight but performance matters, a Traffic Rated Trench Drain System with a 4-inch (100 mm) internal width delivers reliable load capacity and fast water removal for roadways, industrial yards, and high-traffic commercial areas.

Traffic-rated trench drain installed at an arena entry handling heavy foot and vehicle loads
Photo 1 — Arena entry trench drain with traffic-rated grates

What Is a Traffic Rated Trench Drain System?

A traffic-rated trench drain is a long, narrow drainage channel with a protective grate that captures surface water and moves it away from pavements and structures. The system highlighted here features a streamlined 4-inch (100 mm) internal width to fit tight layouts while preserving hydraulic performance.

In technical terms: The channel’s polymer concrete body and ductile iron edge rails deliver high compressive strength and chemical resistance. A built-in 0.5% slope and V-shaped invert accelerate flow to help prevent ponding and freeze-thaw hazards. Grates secure via a boltless locking mechanism with anti-shunt lugs to resist rattle and uplift under repeated wheel loads.

Plain language: It’s a slim, tough drain that moves water quickly and stands up to vehicles, forklifts, and constant traffic without loosening or breaking down.

Key Features & Benefits

  • Rugged construction: Polymer concrete channel with ductile iron edge rails for long service life and chemical resistance.
  • Traffic-rated strength: EN 1433 Class F for proof loads up to 200,000 lb—suitable for heavy vehicular areas.
  • Efficient hydraulics: Built-in 0.5% slope and V-shaped invert speed up water removal during storms.
  • Secure grating: Boltless locking with anti-shunt lugs helps prevent grate movement and reduces maintenance.
  • Space-saving form factor: 4-inch internal width fits retrofits, narrow aprons, and tight site constraints.

Where This System Excels

Choose a traffic-rated trench drain when you need compact, durable drainage in:

  • Firehouse aprons, EMS bays, and municipal service yards
  • Loading docks, distribution centers, and warehouse aprons
  • Crosswalks, curb returns, and parking-deck entries
  • Industrial plants with chemical exposure
  • Stadiums, arenas, and transit stations
Traffic-rated trench drain at firehouse apron capturing runoff from emergency bays
Photo 2 — Firehouse apron trench drain in a high-load zone

Selection & Sizing Guide

Goal: Match your drainage capacity and load rating to real-world site demands while preserving a compact footprint.

  1. Confirm load class: For heavy vehicles and repetitive wheel paths, specify EN 1433 Class F.
  2. Check hydraulics: Estimate peak flow from rainfall intensity and tributary area. The 0.5% pre-slope and V-invert improve conveyance in a 4-inch channel.
  3. Grate selection: Choose patterns suited for traffic (heel-safe, slip-resistant), and confirm open area vs. debris environment.
  4. Material compatibility: Polymer concrete resists salts and many chemicals; ductile iron rails add impact durability.
  5. Outlets & layout: Plan outlet locations, catch basins, and cleanouts for maintenance access.
Compact trench drain at a crosswalk providing quick surface water removal
Photo 3 — Low-profile trench drain at a crosswalk

Installation Steps (Pro Tips)

  1. Subgrade prep: Excavate to depth and compact. Ensure a stable, frost-resistant base.
  2. Bedding: Place concrete bedding per manufacturer guidance to support channel walls and rails.
  3. Set slope: Align channels to maintain the built-in 0.5% slope for positive drainage.
  4. Connect outlets: Install outlet fittings, end caps, and catch basins; verify watertight joints.
  5. Pour surround: Backfill with concrete up to finished grade; protect rail heights for flush transitions.
  6. Grates & lock: Seat grates and engage the boltless locking with anti-shunt lugs; confirm no rattle.
Field tip: Numbered channels and neutral sections speed layout on complex runs with curves or multiple inlets.

Maintenance Checklist

  • Quarterly visual inspection of grates and edges in high-traffic areas
  • Debris removal after major storms to preserve inlet open area
  • Check grate locks annually; re-seat any disturbed sections
  • Jet or vacuum clean outlets/catch basins as needed

Case Study: Firehouse Apron Retrofit Improves Safety & Uptime

Project: Municipal firehouse apron with frequent apparatus movement and standing water after storms.

Challenges: Tight apron width limited drainage options; heavy wheel loads from engines caused grate movement in older systems; winter freeze-thaw created slip hazards.

Solution: A Traffic Rated Trench Drain System with a 4-inch (100 mm) internal width, polymer concrete channels, ductile iron rails, and boltless, anti-shunt grate locking. The built-in 0.5% slope and V-invert accelerated runoff to a downstream catch basin.

  • Length installed: 90 linear feet across two apparatus bays
  • Load rating: EN 1433 Class F for repetitive wheel paths
  • Outcome (first season): Faster water clearance during peak storms; grates remained seated with no observed rattle; staff reported cleaner, drier apron transitions.
  • Maintenance: Visual checks added to monthly facility walk-through; debris removal after major events
Takeaway: Even in constrained spaces, a compact Class F trench drain can tame runoff, protect concrete edges, and reduce slip risks in critical response zones.

FAQs

What does EN 1433 Class F mean?

It’s a European load rating indicating the system can withstand very high proof loads (up to 200,000 lb), suitable for heavy vehicles and industrial traffic.

Is a 4-inch internal width enough for intense rain?

Yes—when paired with the built-in 0.5% slope and V-shaped invert, the system moves water efficiently. Always size to your local rainfall intensity and drainage area.

How do boltless locking and anti-shunt lugs help?

They secure the grates without traditional bolts and resist lateral movement, helping to prevent rattle and uplift under repeated wheel loads.

Where is this system most useful?

High-traffic, space-constrained zones: firehouse aprons, loading docks, crosswalks, parking-deck entries, and plant yards.