Drainage & Storm Water Management Drainage & Storm Water Management Products Trench Drains Catch Basins Leaching Chambers & Diffusers Dry Wells, Galleys, & Drainage Pits Box Culverts Concrete Headwalls Concrete Sewer Manholes Concrete Drain Manholes J&R Precast Drainage & Storm Water Managerment Solutions At J&R Precast, our drainage products are designed to integrate with any design and configuration to collect excess water and runoff. These drainage products are strong, reliable, and fit the needs of any designer, engineer, contractor or project. All J&R concrete precast products are manufactured to meet or exceed all state and ASTM standards. As a proud member of the Northeast Precast Concrete Association (NEPCA), we are committed to having the latest technology and the latest engineering and building expertise available. *See also: Concrete Well Tiles and Covers Precast Trench Drains J&R Precast Trench drains are ideal to capture, contain and move surface runoff for a wide number of drainage applications, as well as, applications where critical infrastructure components like power and communications need to be protected and easily accessed. Easy to install and durable, our concrete trench drain systems resist chemicals better, feature impeccable strength, a lower water absorption rate, and are less resistant to heat and freezing temperatures. The cast-iron grates are solid with a curb inlet to rest flush with the top of the concrete piece to prevent damage. J&R Precast trench drains are also available with narrow slots for pedestrian or bicycle traffic. Description Dimensions Dimensions Trench Drains 20" tall and 16" wide 6' x 3' Sections Trench Drains No 3' Double End Catch Basins J&R Precast catch basins work to ensure proper drainage and collect waste water runoff in any design or engineered system. Our J&R Precast “mini” catch basin or mini drain manhole is 36” in diameter with 6” walls and is incredibly convenient and useful when space can be a challenge. Our mini catch basins and drain manholes function like regular catch basins or drain manholes but at half the size. Pipe connections sized to suit, as well as, cast iron covers available. These smaller structures are great for problem drainage areas where space is limited. Durable, strong, and built to industry standards of the finest concrete, our precast catch basins and collection systems are the leading choice of designers, engineers, and contractors. All J&R concrete precast products are manufactured to meet or exceed all state and ASTM standards. Type Dimensions & Shape Catch Basin 4 ft diameter Various heights and sumps available Mini Catch Basin/Mini Drain Man Hole 36" diameter Various heights and sumps available Leaching Chambers & Diffusers J&R Precast leaching chambers are an essential component of our drainage and waste water management products. These products work to ensure proper drainage and collect waste water runoff in any design or engineered system. Our J&R Precast low profile and shallow flow diffusor come in very handy when site conditions or water tables make draining a field that much more difficult. These low-profile and shallow flow diffusers have no pipes. At only 13 inches tall, these flow diffusers can work their magic in some really tough spots. Durable, strong, and built to industry standards of the finest concrete, our precast catch basins and collection systems are the leading choice of designers, engineers, and contractors. All J&R concrete precast products are manufactured to meet or exceed all state and ASTM standards. Type Capacity Dimensions & Shape PDF Leaching Chamber 200 gal. 3' x 6' - 12" Inlet Download LC-6 Chamber 475 gal. 4' x 8' - 18" Inlet Download Shallow Low Profile Flow Diffuser 260 gal. 8'L x 4'W x 13"H Download Dry Wells, Galleys, and Drainage Pits J&R Precast dry wells, galleys, and drainage pits are an essential component of our drainage and waste water management products. These products work to ensure proper drainage and collect waste water runoff in any design or engineered system. Durable, strong, and built to industry standards of the finest concrete, our precast catch basins and collection systems are the leading choice of designers, engineers, and contractors. All J&R concrete precast products are manufactured to meet or exceed all state and ASTM standards. Type Capacity Dimensions & Shape PDF Dry Well 500 gal. 8'6" x 5' - 24" Inlet Download Galley (end, middle or 4 sided) 475 gal. 4x4x4 - 39" Inlet Drainage Pit NA 5' x 6' - 5'6" Inlet Drainage Pit NA 6' x 6' - 5'6" Inlet Drainage Pit NA 8' x 6' - 7' Inlet Drainage Pit NA 8' x 4' - 3'6" Inlet Drainage Pit NA 8' x 6' - 5'6" Inlet Drainage Pit NA 8' x 4' - 7'6" Inlet Concrete Headwalls At J&R Precast, we manufacture a wide range of precast concrete headwalls. Our headwalls are perfect for many culvert applications. These modern headwalls allow for a variety of conduit applications including pipe and box culverts. Made for both strength and versatility, these modern J&R Precast headwalls get the job done with both form and functionality. Also please note that the Redi-Rock retaining wall blocks can also be used in this application. Applications Dimensions Headwall 5' Wide - Various Hole Sizes Headwall 8' Wide - Various Hole Sizes Headwall 12' Wide - Various Hole Sizes Box Culverts J&R Precast Box Culverts are one of the most versatile and cost-effective structural precast concrete products on any development. When pipes do not allow enough hydraulic capacity; precast box culverts are an excellent alternative to accommodate proper water flow. The speed of installation will minimize environmental impacts and lead to significant cost savings on construction projects. Our precast box culverts can also be used for under-road animal crossings. Applications Dimensions Box Culvert (H x W x L) 3' x 6' x 6' Concrete Sewer Manholes J&R Precast Sewer Manholes are designed and engineered to deliver in virtually every circumstance for storm water and sanitary sewer systems. Our sewer manholes are available in various shapes and sizes including large round manholes and lift stations to basic area intakes, curb inlets and standard 48″ manholes. All are manufactured to meet and exceed industry standards. Sewer manholes are included with flexible, watertight pipe seals to insure tight connections with no leakage. These seals are an industry standard and molded to exact specifications for any project. Type Applications Dimensions Commercial Concrete Sewer Manhole 4' Inside Diameter - Various Heights Concrete Drain Manholes Precast drain manholes are an essential component of any wastewater management system. Drain manholes allow for easier cleaning, maintenance, and collection of waste water. At J&R Precast, our precast drain manholes are built to endure the toughest of conditions in any town or sewer water management system. Type Applications Dimensions Commercial Concrete Drain Manhole 4' Diameter - Various Heights Available Contact J&R Precast for a Competitive Quote As southern New England’s leading manufacturer and distributor of Redi-Rock retaining walls and precast concrete products, we build partnerships with designers, engineers, contractors and homeowners to build results. If you are located in Massachusetts, Rhode Island or Southeastern Connecticut and have questions about any kind of precast product or engineering challenge, we can help. 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