3′ X 3′ DRAINAGE INLET (KNOCK-OUT BASE)

Underground precast drainage inlets and catch basins are among the most widely used drainage products in the market today to collect excess storm water runoff from roofs, sidewalks, parking lots, and paved streets.

• Modular Construction
• Modular Construction Base/Bottom Section
• Base/Bottom Section Knock-outs and Block-outs
• Knock-outs and Block-outs Riser Sections
• Riser Sections Top Sections
• Top Sections Frames and Grates
• Frames and Grates Rings and Covers
• Rings and Covers

• Offers rugged durability for optimal drainage and access to vital connections
• Customizable sectional design
• Quick and easy install
• Offers rugged durability for optimal drainage and access to vital connections
• Customizable sectional design
• Quick and easy install Five-sided durable construction with openings for pipe connection points
• Available with a flat top or joint key way for increased watertight performance
• Variety of sizes available
• Five-sided durable construction with openings for pipe connection points
• Available with a flat top or joint key way for increased watertight performance
• Variety of sizes available Available in multiple locations to accommodate various connection sizes and elevations
• Round or rectangular shapes available per design specifications
• Knock-outs are easily broken with a hammer for a desired fit
• Available in multiple locations to accommodate various connection sizes and elevations
• Round or rectangular shapes available per design specifications
• Knock-outs are easily broken with a hammer for a desired fit Elevate access to accommodate for varied depths
• Variety of sizes available
• Elevate access to accommodate for varied depths
• Variety of sizes available Area or grate inlet design type options:= Frame and grate access= Concrete slab top with manhole access= Five-sided with block-outs= Optional rebar dowels
• Curb inlet top sections install flush with curbsides to allow stormwater to flow into the underground system= Available with grate access or manhole ring and cover access
• Area or grate inlet design type options:= Frame and grate access= Concrete slab top with manhole access= Five-sided with block-outs= Optional rebar dowels
• Curb inlet top sections install flush with curbsides to allow stormwater to flow into the underground system= Available with grate access or manhole ring and cover access Our frames and grates prevent debris from entering a storm water management system
• Grid configuration grates or series of bars grates available
• Material: galvanized metal or cast iron
• Wide variety of custom and standard sizes available
• Our frames and grates prevent debris from entering a storm water management system
• Grid configuration grates or series of bars grates available
• Material: galvanized metal or cast iron
• Wide variety of custom and standard sizes available Maintenance and inspection accessibility
• Variety of sizes available
• Available covers include: manhole frames with cast or ductile iron covers
• Maintenance and inspection accessibility
• Variety of sizes available
• Available covers include: manhole frames with cast or ductile iron covers Meets the following criteria:= ASTM C 478 specifications= AASHTO HS-20 live load criteria= NPCA & ACPA certifications
• Meets the following criteria:= ASTM C 478 specifications= AASHTO HS-20 live load criteria= NPCA & ACPA certifications

Model: KOB-3636

Material: Concrete

Load Rating: catch-basins-inlets

Measurement System:

Height: Variable

Width: 3’

Length: 3’

Downloads

PDF: SD-23-4.pdf

DWG: SD-23-5.dwg