TRENCH DRAINS Rapid Installation, Durable, and Lightweight. ACO Drain is available in 2″, 4”, 8” and 12” internal widths, and are available with up to 130 ft (40m) of built-in continuous slope. Mark your trench path with paint or stakes and line. Frame options are medium duty galvanized steel, medium duty stainless steel, heavy duty black powder painted steel, heavy. 1. Dura Trench can manufacture any size trench drain for your industrial process. We can manufacture our channel drains to the width, depth, slope, profile, material, pattern, and finish you require. 1. Hub drains. com Home A 6″ x 10″ test block is specified for trenches between 8″ and 12″. 1-800-724-4881 [email protected], 1 800 (The dock) 843 3625. Cleanouts. Loading Docks. Touch device users, explore by touch or with swipe gestures. To assist architects in designing a modern, safe, and structurally efficient loading dock, Blue Giant is pleased to offer the following tools and materials: Planning and design guidelines (application and site considerations) Blue Giant architect resources include an AIA / CES course, BIM Library, planning and design guidelines, specification. 97. 08. LTEC Drain installation is simple and easy compared with any other trench drain on the market. Section 4. $203. Each Dura Trench premium Residential Driveway Drain Kit comes with 8′ long sections of trench drain attached to a heavy-duty frame, intended to withstand the constant use of vehicles. 078″ thick at grate seat. Product Information. T hese products are used to collect excess runoff water and dispense it into an underground how to clean a trench drain system e. Designed for maximum performance efficiency, durability, ease of installation and conformance to code, Smith products are “Brands Built to Last†! BIDMC Loading Dock Guidelines Rev 1. Trap primers. DL016 Polymer Concrete Install Guide Spanish 2017. These are pretty standard at warehouse loadingunloading exits. Trench Drain Filter. NDS Dura Slope is a 6 5/8" wide, 48" long trench drain system with a built-in slope of 0. ACO Drain consists of cast polymer concrete bodies with either galvanized steel, stainless steel or cast iron wearing edges. System Design: 1. Browse Our Selection. We’re the fastest and most cost effective and we can’t wait to prove it to you. IT Infrastructure Improvements. Our drainage systems. By using the channel flow data we see that a 10″ trench must be 36. When the water runs off over poor soil, it can cause the property owner to compensate by overwatering plants and trees, causing. Loads of 176 - 325 psi. Vodaland offers heavy-duty loading dock trench drains to direct moisture away from the building and its loading ramps. CONSTRUCTION SCHEDULE:Floor drains can mix many sources of waste, including wash water, used oil, chemicals, and sediments into a single difficult-to-manage semi-liquid stream. Liquids shall be discharged by gravity flow at the end of the drain into an underground pipe system or culvert. 6275; E. They come in a range of 2-48 inches wide and can be as shallow as 2” to accommodate any project. OSR Login. Gym Divider Replaced with Curtain. View All. Food processing units. 5. Available in a variety of larger sizes. It was much appreciated!”. Dock doors dimensions are determined by: Type of trucks being serviced. Dura Trench offers a wide selection of trench drain frames to meet any loading or traffic type, check them out here. The trap seal of a trap is an essential feature of a drainage system to prevent odors from the drainage piping from entering the building. The Dura Trench trash basket design allows us to use any required mesh to build your trash basket so we really just need to know the application and particulate size of what needs to be captured. 2. Drains for Cargo Bays. or 4-in. Heavy Duty - These trench drains are designed for large water flow and/or heavy equipment. It is used for the rapid evacuation of surface water or for the containment of utility lines or chemical spills. Trench drain. 00. PART 1 - GENERAL . Trap primers. This gives the slot drain a smooth interior. Trench drains come in various pre-made sizes ranging from 4” to 12” wide, and these different widths can be complemented. ACO Drain is available in 2″, 4”, 8” and 12” internal widths, and are available with up to 130 ft (40m) of built-in continuous slope. Floor drains. Dura Trench offers trench drains and slotted drains that are well suited for truck docks and loading dock areas. 7. We make all of our drains from a variety of materials to handle and the level of challenge that they will need to stand up to. 200,000sf of paving. 6902M2 Heavy Duty Cast Iron 10″ x 24″ x 2″ Grate. You construct it by digging a 6-inch wide trench approximately 24 inches deep. Dura Trench has large. Factors affecting load on a trench drain Loading Loading is often referred to as traffic and is any weight that will rest on or travel over a trench drain. $ 237. Which removes hydrocarbons from surface water without restricting stormwater runoff flow rate. 3. The typical applicable standards are AASHTO M306 H-20. Floor sinks. About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright. Weight load up to 3,372 lbs. 5”-3” in diameter. Perfect heavy duty trench drain for warehouses, parking lots and loading docks. Whether you’re looking for replacement cast iron trench grates or a. The inclident source is Commercial/Industrial. For trench drains less than 8" (200 mm) wide, test block for load testing is 10" (250 mm) long by 3" (75 mm) wide. follows: g the general installation procedure for cast-in-place trench drains shall be as 4 inches) and flat washers at each corner of the grate. Heel Proof Rated - Grate's slot width does not exceed 5/16 Inch. The proof load falls at 494 psi with a maximum proof load of 40,000 pounds. A common problem with poor drainage is erosion—water that runs over land and down slopes without catch basin or trench drain containment carries soil, mulch, and debris with it and robs trees and plants of nutrients. Guaranteed!The surface drainage system shall be ACO Drain SlabDrain H100K-8 complete with gratings secured with ‘QuickLok’ as manufactured by ACO, Inc. "N" sections are non-sloped and used to extend the length of the system. Hub drains. 2. Types: The types of drains and drain specialties required for this project include, but are not limited to: Roof drains. This standard classifies the loads in a alphanumeric format ranging from A through F. 1. loading dock facilities. Types: The types of drains and drain specialties required for this project include, but are not limited to: Roof drains. We carry a variety of systems including ACO systems, Zurn and U-Drain. Wedge wire: 3x4. Grips #3 and #4 rebar. Dura Trench channels are proven to be resistant to gasoline, motor oils, road salts, & anti-freeze. Trench Drain (TD - ): Loading dock trench drain and grate specified under other Divisions. Trench Drains. Trench Drain. 701 S. Special Channel Drains. It’s available in standard or variable slot height customized to your project needs. System. The 2 HP 1045 and 1055 units can operate on 115-volt or 230-volt single phase current at no extra charge. Install new drain line and appropriate fittings. Trench drains are small channels that move standing water from surfaces. Addendum # 1 Page 3 of 3 Date: August 6, 2021 City of Douglasville Request for Proposals Douglasville Town Green RFP 2021-007 b. Trench drain systems for loading docks vary based on the expected water flow. If you have been uncertain about how to set up the right drainage for your loading dock area, you need to know more about the things that make for an excellent. An underground pipe carries stormwater from roof runoff to the dry well, where it collects and seeps into the soil over time. ABT Inc. Installation. Without dock drains, docks are liable to become flooded. Typical applications include roadways, sidewalks, parking lots, plazas, loading docks, industrial floors, parks and athletic fields. . Over time, you. Ductile cast iron trench grating or solid covers (frames furnished in gray cast iron unless specified ductile cast iron) shall be as furnished by Barry Pattern and Foundry (BarryCraft), Birmingham, Alabama. Dock Height Drain Driveway Grade 1 to 3 ft 1/2 to 1 in. Like a trench drain, a swale is a surface water drainage device. Remove and dispose of existing sump pump. The longer, modular assembly and formulated material allow contractors to handle our trench drains. Connections to structures must not restrict the hydraulic flow of the trench drain. EN 1433 accounts for different widths of grates. Silver. Dura Trench can help with roadway and highway channel drain systems. Dig the trench. Work Included: Provide floor, area, and roof drains, and drain specialties and cleanouts as specified. Products. 25,000 sf of tilt wall panelsFloor drains can mix many sources of waste, including wash water, used oil, chemicals, and sediments into a single difficult-to-manage semi-liquid stream. 00. Products. Products. Trench drains. It is a cost effective substitute for precast trench drains or cast-in-place trench drains with steel or cast iron grates. 105. 1415911624749. QUALITY ASSURANCE:WASTE MANAGEMENT COMPACTOR (Spill #2202596) is a program facility involved in a spill incident in ROCHESTER recorded by the Division of Environmental Remediation of NYS Department of Environmental Conservation (DEC). Cast i Iron trench drain grates can be cast in a variety of grades and each class of iron has several grades. Trench drains. Cleanouts. LTEC Drains, The Premier Manufacturer & Supplier of Metal Surface/Trench Drains. , H-20 rated. AE Project Number: Floor, Area and Roof Drains 22 40 00 – 1 Revision Date: 1/29/2018 . Nominal Wheel Loading 8,000KG E 400KN General docks and aircraft pavements (extra heavy duty - E) Nominal Wheel Loading 13,700KG F 600KN Docks and aircraft pavements subject to high wheel loads (extra heavy duty - F) Nominal Wheel Loading 20,000KG G 900KN Docks and aircraft pavements subject to very high wheel loads (extra heavy duty. Design & Documentation. The Dura Trench slot drain system is offered in the following sizes: 4″ slot drain, 6″ slot drain, 8″ slot drain, 12″ slot drain, 15″ slot drain, 18″ slot drain, 21″ slot drain, 24″ slot drain, and 36″ slot drain. OSR Login. Factors affecting load on a trench drain Loading Loading is often referred to as traffic and is any weight that will rest on or travel over a trench drain. 25″ wide (OD) polymer concrete channels have a built-in . Load More. Thousands of free, manufacturer specific CAD Drawings, Blocks and Details for download in multiple 2D and 3D formats organized by MasterFormat. S. Decide whether you want to connect to the sewer system or route the water to a storm drain. The Swiftdrain 600 is the most customizable and dependable all purpose trench drains on the market. h. PDF versions of this guide and the trench drain schematic are. Vane style grates maximize water absorption in the direction of flow, even when there is a lot of water moving quickly. These trench drain grates are extremely strong and can be used in applications that required iron grating. Check out our solutions here. To write a proper specification for a trench drain or a slotted drain all components of the system must be properly selected. The Swiftdrain 600 is the most customizable and dependable all purpose trench drains on the market. Loading docks: Trench drains can be installed at loading docks to manage water runoff and prevent flooding, ensuring a safe and efficient work environment. Media strategy may be custom configured for specific pollutant concerns. Call us at 646-227-0910. Loading dock trench drains installed at U-Haul. The Conditions of the Contract and applicable requirements of Division 1, "General Requirements",. 6 Gal Hydraulic Fluid for Kundel Jacks. jpg. Free essays, homework help, flashcards, research papers, book reports, term papers, history, science, politicsFind all the parts and supplies you need for preformed trench drain construction. (770) 505-6575. form and pour trench drain base. Install a properly sized loading dock trench drain and make sure you clean it of debris. Our slot drains are fabricated from fiber reinforced polymer concrete. For many manufacturing locations, catch basins and sumps are needed to handle the debris and chemical wastes that are being produced during daily working hours. A Quality Sewer Services representative can schedule an appointment for you at your earliest convenience. Ad High-capacity bridge between dock and trailer. Posted Jun 9, 2017. The most common type of drain that we sell is the primary trench drain. Cast iron grates are governed by AASHTO M105 class 35B or ASTM A48 Class 35B. Details. Redi-Drain is our precast concrete trench drain system that can be customized to fit your building or structure's drainage needs. Other setups use French drains to direct runoff along the natural drainage path to the dry well. It is a cost effective substitute for precast trench drains or cast-in-place trench drains with steel or cast iron grates. 3 Groundwater Control 11 4. Due Jun 13, 2017. Attachments. Cargo Ports. Dura Trench manufactures a full line of easy-to-install slot drain systems (also called slotted pipe or slotted drain). Our redesigned polymer is not subject to temperature changes like most concrete. Unlike in sewer lines, storms drains drain the water without it being treated in a sewage treatment. Trench drains operate on a simple yet effective principle. Cast-in-place Trench Drain 1. Load class A is 15 kN (3372 lb), B is 125 kN (28,100 lb), C is 250 kN (56,200 lb), D is 400 kN (89,920 lb), E is 600. Floor sinks. jpg. Add to cart. Search by Application . driveways, garages, parking lots, buildings, loading docks, kennels ; LTEC Drains meet and exceed the ADA American Disabilities Act of 1990; Section 4. 2 – Medium Duty - All grates having safe live load (as calculated in para. System Design: 1. Material: Fiber Reinforced Concrete. Designers will need to justify that a slotted or trench drain system is suitable in the proposed location and obtain acceptance from DoT. 6. For trenches wider than 12″ a 10″ diameter test block is used. Floor sinks. 5) between 2000 pounds and 4999 pounds. Chapter 19 relies primarily on the reference to American Concrete Institute (ACI) 318, Building Code Requirements for Structural Concrete. Floor drains. Provide 8" diameter roof drain set in low point of trench. British airports are responsible for introducing trench drains to the world. Design & Documentation. Special Price $104. 1. 3Lay the channels alongside the trench n Start the layout at the drain outlet with the deepest (highest numbered) channel section, proceeding to the shallowest (lowest numbered) channel section. 6. is a leading foundry for municipal and industrial cast iron trench grates. Dock Deals New deals. 6 Gal Hydraulic Fluid for Kundel Jacks. Direct drains, floor and spot drains, and trench and gutter drains are discussed. B. These drains are built-in straight sections with a customized slope to assist water flow. 4″ wide trench drains are used for flows up to 2 cfs (950 gpm). 2. such as shoring or trench boxes would be required. Available in a variety of larger sizes. Now, dock drains aren’t impervious to an accumulation of debris, and dock drain pumps. Make sure the floor is pitched or sloped so that water will run into the drain naturally. 18" wide Trench Drain Forming System. ABT provides high-quality and durable industrial factory & manufacturing drainage applications. A 6″ x 10″ test block is specified for trenches between 8″ and 12″. Loading Class E: Anything that is extreme heavy-duty will fall into Class E, which is designed for hard-tire forklifts and heavy-duty. trench drain exists in the market, the research team recommends working with faculty from the mechanical engineering department and/or robotic companies in Phase 2 to develop. Trench drains are embedded linear drainage systems that intercept and collect surface water over a long distance, such as in front of restaurants, paved areas, loading docks and airports. Cleanouts. 3. p. 2 Drainage 10 4. channel shall withstand loading to proper load class as outlined by en 1433. Co. Cast iron heavy-duty grate. Trench drainage systems are versatile, cheap, and effective, so it's no wonder they're used in a variety of residences, businesses, and public locations across the world. SECTION 22 40 00 - FLOOR, AREA AND ROOF DRAINS . Applications. The importance of leveling a dock is multifaceted. Each channel section is molded of gray structural foam polyethylene with UV inhibitors 4" inside diameter with a 2" radius bottom. 5) under 2000 pounds. Slot Drain does not have grating to trap contaminants/bacteria, etc. Load Class D, H-20. Traffic is the most important factor to consider in pavement design and a trench drain is an integral part of the pavement. 4″ wide interior trench drain can be sloped from 5″ to 14″ deep typical. A positive slope built into the channel sections ensures proper drainage. Truck terminals and shipping ports see significant tractor trailer and forklift traffic which means trench drain systems in terminals need to be HS20 or HS25 load rated and wide enough to capture large water flow. They are also shaped differently than other standard drainage, having a narrow throat in the drain body, which widens below the surface to accommodate the flow of water. View. 1. Dock drains, or trench drains, are designed to collect water and debris, and move those contents away from the dock. Share. $ 270. Southeast OfficeABT, Inc provides quality commercial water drainage solutions & applications for your excess water problems. sewer pipe with bottom or end outlet connection. View All Drainage & Interceptors View All Drainage & Interceptors. Scope of Work. If the current slope is insufficient, be prepared to pour new concrete. For existing buildings in which the outside loading dock drain(s) discharge to an interior stormwater lift station, the lift station shall have a sealed and vented cover and an explosion proof pump. Floor drains. 24 pre-sloped sections, 9 neutral sections. This is a description that is less common in Europe and refers to all linear drainage systems above but also includes ‘cast in place’ solutions where the channel is formed in concrete poured into a trench made with wooden formers and rebar and then manually formed or in some cases mechanically extruded. You will need to consider the size of the drains that you want to use, the gratings that you want to place over them, and the slope of the floor or roadway. Federal Contract Opportunity for 537-16-130 Site Prep for Outdoor Infectious Waste Disposal Location: Jesse Brown VA Medical Center - Chicago, IL VA69D17B0817. Select the type of trench drain project you are working on for expert advice. Narrow 6mm slot for heel safety. . Drains: Concrete drainage structures, such as catch basins and stormwater detention basins, are essential for managing water runoff and preventing flooding in the loading dock and parking areas. 7g transverse and longitudinally dynamic loads. Foss. 2611 Queensview Drive, Suite 300, Ottawa ON K2B 8K2 Tel: 613-829-2800 ~ Fax: 613-829-8299 1 | P a g e PETSMART STORES 18K 2015 Canadian Prototype NarrativeRoof and steel changes - Revise sloping roof to flat roof Sewer and grading changes - Deduction of 63 LF of 8" schedule 40 PVC pipe Site utility changes - Upgrades to underground piping Revise storm grates - Deduction in size of concrete structure casting Add 16 ' of zurin trench drain in shop area Revise fly loft stairs - Add beams, roof. For indoor applications Polydrain products are ideal because of. Traffic may come from pedestrians, machinery or vehicles. Kirk Rd. Figure 9 Drawbacks of a declined dock approach include the following: • Difficult removal of snow • Drainage of water • Debris buildup • High impact forces to the building wall and dock When a declined dock approach is used, give special attention to other loading equipment. NDS offers the broadest line of durable and easy to install Channel and Trench drain systems from 1” to 12” widths, available in a. Call Commercial Restorations today at 301-216-2555 for loading dock cleaning services in Maryland and surrounding areas!Mar 25, 2020 - Explore Trench Drain Systems's board "Trench Drain", followed by 2,322 people on Pinterest. Download thousands of free detailed design & planning documents including 2D CAD drawings, 3D models, BIM files, and three-part specifications in one place. 1. When soil erodes, it moves away from where it lies and ends up somewhere else, a process described as. Special areas with heavy wheel loads, e. 6″ wide interior trench drain. 3 – Heavy Duty - All grates having safe live. We can. 67 piers. Heavy duty trench drains are usually made of a fiber reinforced concrete or polymer concrete channels. Swiftdrain 300 Series. Trench drains, also known as channel drains, are perfect for diverting. Floor Sinks. In trench drains, steel rebar is bent at 90 degrees to facilitate anchoring the trench drains in surrounding concrete. In trench drains, steel rebar is bent at 90 degrees to facilitate anchoring the trench drains in surrounding concrete. In both cases, the excavated hole or trench, 3’-12’ deep, is lined with filter fabric and backfilled with washed, crushed stone 1. However, it’s a lot more subtle in terms of its appearance in the landscape. KlassikDrain is a general purpose trench drain system available in 4″ (100 mm) – K100, 8″ (200 mm) – K200 and 12″ (300 mm) – K300 internal width with either galvanized or stainless steel edge rail. Engineered for H-20 vehicular loading. Many floor drain systems include trenches, also known as a sediment trap, and use an oil/water separator, also known as a flammable trap, to segregate these wastes. Offered with a wide selection of 5″ wide trench. Cross-section of a Linear French Drain including the all-important perforated french drain pipe. This makes it especially suited for heavy/high traffic areas, such as airports, parkades, warehouses, truck and rail loading docks. Because of their built-in slope, most sloping trench drains are also modular for secure handling, installation, and freight to site. The purpose of UFC 4-213-10 is to provide a uniform guidance for the planning, design, construction, renovation and maintenance of graving dry docks. 6,250sf of sidewalks. Work Included: Provide floor, area, and roof drains, and drain specialties and cleanouts as specified. Traffic is the most important factor to consider in pavement design and a trench drain is an integral part of the pavement. 2. n Point the arrows on each channel section towards the drain outlet. Call Commercial Restorations today at 301-216-2555 for loading dock cleaning services in Maryland and surrounding areas! Mar 25, 2020 - Explore Trench Drain Systems's board "Trench Drain", followed by 2,322 people on Pinterest. Dock. (770) 505-6575. Design & Documentation. Some common reasons are: 1. Many customers have purchased our drain after their existing plastic or poly type drain has failed, many within 3 to 5 years after installation. ACO drain Loading Dock Trench Drain Has CAD. Floor & Area Drains. Rating: 30 Reviews. They are also shaped differently than other standard drainage, having a narrow throat in the drain body, which widens below the surface to accommodate the. DIN 19580 accounts for different widths of grates: - For trench drains less than 8” wide, the required test block for load testing is 10” long by 3” wide; - For trench drains 8” and 12” wide, the test block is 10” by 6”; • Loading Docks • Plazas • Courtyards • Landings Channel & Trench Drain Product Line-up NDS Channel and Trench Drain Systems provide durable and proven solutions for sheet-flow drainage in applications ranging from light foot traffic to heavy vehicular traffic. Stormwater drainage wells may have a variety of designs and are often referred to by names that include: Dry wells. Preform Trench Drain is very customizable and here we use it in a loading dock. The company rebuilds oil field pumps so I am thinking there might be a possibility that these pumps will be leaking hydraulic fluid or oil and that when transfering the pumps from the truck to the building. US Foundry 6269 Heavy Duty ADA Compliant Slotted C35B Gray Iron 1. Neenah Foundry manufactures a wide variety of beautiful cast iron tree grates and fabricated steel tree guards. Scope of Work. You will want to consider a trench drain setup essential for these spaces to make sure that your employees or people visiting your place of work are not. 5″ x 14″ x 24″ Grate. Grate openings are 15/16″ wide. Installation. These inlet filters measure 8ft long by 3in diameter. They prevent the flooding of driveways, roads, warehouses, parking lots, and laneways—any open space that can collect large amounts of water. Store drains and drain specialties in a clean, dry space and protect from the weather. Redi-Drain is our precast concrete trench drain system that can be customized to fit your building or structure's drainage needs. S. Handle drains and drain specialties carefully to avoid damage to material component, enclosure and finish. Loading docks are easy to keep operational and safe with the help of trench drains. Trench Drain. Download the PDF to learn. 00. The KlassikDrain by ACO is a functional and durable all purpose trench drain system. Quality Sewer Services can assist you with all your loading dock drainage needs whether you are in need of immediate service or just interested in performing maintenance or repairs to your system. Trench drains contain liquids and direct them to a drain to eliminate standing water or chemical spills. is a leading manufacturer of quality engineered plumbing and drainage products in the non-residential construction industry. Trench Drainage. Zurn's Linear Trench Drains are engineered to deliver structural strength, while being lightweight. It’s continually the go-to drainage solution for driveways, parking areas, warehouses, loading docks, pools, wash-down areas, athletic fields, and other areas that experience surface run-off. 1 ROOF DRAINS:Jay R. Drain - A slotted or perforated pipe buried in the ground (subsurface drain) or a ditch (open drain) for carrying off surplus groundwater or surface water. 7%. • Drain spilled material to a remote area using a slope 1% for 50 feet • Capacity * The volumetric capacity of the diked area shall not be less than the greatest amount of liquid that can be released from the largest tank within the diked area, assuming a full tank. Section 4. grate type shall be appropriate to meet the system load class specified and intended application. The water then flows into the channel and is directed away from the area, preventing water accumulation. Loading. These are recent projects that can help you picture the best solution for your trench drain application needs. 'lphqvlrqdo 'dwd lqfkhv dqg > pp @ duh 6xemhfw wr 0dqxidfwxulqj 7rohudqfhv dqg &kdqjh :lwkrxw 1rwlfh 63(&,),&$7,21 6+((7 7$*bbbbbbb 5hjxoduo ixuqlvkhg xqohvv rwkhuzlvh vshflilhgTrench drains and sumps;. Dig a trench from the place in your yard that needs drainage to your chosen outlet. Our team has the experience and resources to. Solid Drain Sock (white) Dome Strainers. Aluminum and steel shoring boxes are available in various sizes and dimensions to meet OSHA requirements and safety. 6) The floors in the Lobby, connector, and Meeting Room are being prepared for terrazzo flooring. You can use trench drains in business settings, at home, or in parking lots and streets. Trench drain systems shall employ an angled grade on both sides of a linear trench to move runoff into a point along the channel. Our Redi-Dock® loading ramp system provides quick, easy drive-in access to your facility. modular trench drain units from inflow to discharge. Floor sinks. Jay R. Preventative plumbing at your restaurant or commercial kitchen has never been easier! Plastic Floor Drain Strainer (cone-shape) Yellow Flexible Drain Socks. *Taller slots are available on special order. These drains are proven to handle loads in excess of 16,000 lbs (H-20 load rating). x 8ft long. Solicitation VA69D-17-B-0817Page 11 of 11. Trench Drain (TD- ): Loading dock trench drain and grate specified under other Divisions. Specifications of the Stainless Steel Linear Drain Covers: The wedge wire grate is composed of two parts, one is the grate panel, the other is trough/ channel. Made in USA. Create a slope of at least 1%, which is about 1-inch per 10-feet of run. Smith Mfg. Even if you're faced with an unexpected emergency, we strive to meet your needs, whether your project is big or small. Trench Drain Systems. Supporting wire: 3x6mm, 25mm spacing.