ACO K300 Trench Drain System — 12" General-Purpose Modular Drainage

The ACO K300 Trench Drain System is a versatile, general-purpose drainage solution with a 12-inch internal width. Choose galvanized steel or stainless steel edge rails to match site conditions and appearance goals. K300 supports a continuous slope installation up to ~130 ft, helping sustain water velocity for efficient conveyance across long runs. In practical terms: it installs quickly, drains fast, and offers grate options to meet traffic, safety, and design criteria.

Why Specify ACO K300?

Typical Applications

• Retail plazas, stadium concourses, and campus promenades
• Parking decks and perimeter curb-line drainage
• Industrial aprons and service courts with intermittent vehicle loading
• Commercial hardscapes using decorative grate patterns

Installation Guide (Step-by-Step)

Use this field-friendly sequence (verify with project plans and local codes):

1. Layout & elevations: Map the run, outlet points, and any catch basins. Confirm start/finish elevations if using continuous slope.
2. Excavation & base: Excavate to allow for bedding and concrete encasement. Compact sub-base and place a stable bedding layer.
3. Set channels: Start at the outlet. Follow numbered channels to build slope properly; check line and grade frequently.
4. Join & align: Seat joints to keep the internal invert smooth. Verify grate seat alignment along edge rails.
5. Concrete backfill: Place evenly on both sides to the specified thickness. Re-check elevation to prevent float or twist.
6. Grates & locks: Fit grates using DrainLok or QuickLok®. Ensure anti-shunt lugs engage; test fit along the length.
7. Finish surfaces: Bring surrounding pavement flush to edge rails. Perform a water test and remove construction debris.

Case Study — Stadium Concourse Upgrade

Location: Regional stadium with pre- and post-event pedestrian surges and periodic service-vehicle access.
Problem: During thunderstorms, water sheeted across the concourse, causing slippery areas and concession closures.
Design Approach: The engineer specified ACO K300 with a continuous slope (~125 ft) toward two outfalls. Perforated stainless grates were used near concessions for a clean look and corrosion resistance; slotted ductile-iron grates were set in service lanes. Boltless DrainLok/QuickLok® simplified rapid cleanouts between events.

Outcome: Surface water cleared faster, slip incidents decreased, and concessions stayed open more consistently during storms. Facility staff reported quicker grate removal/replacement for maintenance and appreciated the accurate alignment from numbered channels.

Maintenance Made Simple

• Quarterly debris checks at inlets/outfalls and low points
• Confirm anti-shunt engagement and grate seating, especially in wheel paths
• Power-wash channels as needed to maintain clear V-invert flow

FAQs

How do DrainLok and QuickLok® differ?

Both are boltless systems designed for fast grate handling. Choice typically depends on spec and installer preference.

Which grate should I choose?

Start with required load class (up to Class E), then balance slip resistance, open area, and appearance—mesh/perforated for pedestrian zones, slotted/ductile-iron where vehicles cross.

When is stainless steel preferred for edge rails?

Use stainless in corrosive or premium-finish environments—near salt exposure, food service, or coastal conditions. Galvanized steel is a durable, cost-effective default elsewhere.

Specify ACO K300 with Confidence

With its 12" internal width, continuous slope up to ~130 ft, and broad grate options, the ACO K300 Trench Drain System adapts to plazas, concourses, parking decks, and commercial hardscapes. Boltless locking speeds maintenance, anti-shunt lugs keep grates stable, and numbered channels streamline installation—so your team delivers clean lines and reliable drainage on schedule.