Advantages of Curb & Gutter: Adds parking area and enhances adjacent properties by the sharper separation between roads and lawns. The BG-FILCOTEN one urban is our new monolithic all-rounder with a load class up to D 400. Line the trench with landscape fabric. You also need stub-outs for the vent stacks that must. The perforated pipe channels any excess water in the soil under and around your home’s foundation into a collection pit. Temperature, Frost and UV-resistant FILCOTEN® channels are made of cement-bonded fiber composites, which react to changes in temperature in the same way as the surrounding concrete bedding. D-400 E-600 F-900. 7 mm) anchor bolts spaced a maximum of 6 feet (1829 mm) on center or approved anchors or anchor straps. D-400 E-600 F-900 EconoDrain PT-2® Extra Heavy Duty Trench Drain System is a complete pre-engineered trench drain forming system com-bining the features and advantages of our heavy duty Econo-Drain® series with added load-carrying capability necessary for airports, seaports and intermodal facilities. What if you could line your existing trench drains with a seamless monolithic flexible spray on lining. drains, grates, and surface water management solutions in the industry. D-400 E-600 F-900. He comes from the Vietnam generation. 1000 Gallon Septic Tank Dimensions & Details. DryTrak is compatible with all foundation wall types. The 7 Most Popular Types of Yard Drains. KerbDrain transforms kerbs into continuous inlet structures with minimal excavation. 0 nC Drain–Source Diode Characteristics and Maximum Ratings V SD Drain–Source Diode Forward Voltage V GS = 0 V, I S = 3. 6(1), R611. For accurate estimating, use our Cost Calculator for estimates customized to the location, size and options of your project. Multipack comes with three 3 in. Heavy duty trench drains with galvanized steel edge rails 4”, 6”, 8”, 12”Created Date: 3/19/2014 3:22:27 PMSimple. 4. Figure 2d shows the entire monolithic process of on-chip lasers, including the embedded growth of III-V gain materials in the grating patterned SOI trench and subsequent laser fabrications. These plumbing / sewer pipes should be checked anytime there had been significant foundation movement or foundation repair. The thickness shall be such that the bottom of the drain. Step 3: Measure down 2 feet and 11 inches in the border strings. wide, 3-3/4 in. The 3 in. Shape may be radius, square, or trapezoidal along with other custom shapes, whichever option is bestTo install an interior French drain, a waterproofing contractor cuts a channel into your basement slab around its perimeter. for vitrified clay pipe drain connection and drain stack construction, see sheet no. Created Date: 4/10/2014 3:25:59 PM2 A Builder’s Guide to Frost Protected Shallow Foundations A frost protected shallow foundation allows builders to construct a structurally sound foundation that is more resource efficient and less costly than a conventional foundation. When narrow slots are. Formats: RFA - Revit Object | RVT - Revit System | DWG - AutoCAD, Sketchup - all. Monolithic 3D integration of additional transistor layers on silicon CMOS ICs has so far been demonstrated with epi-like recrystallized silicon 26, c-axis-aligned crystalline indium gallium zinc. Footings are especially important in areas with troublesome soils. The perimeter footing of a thickened-edge slab isn’t very deep. 6. 2 in. 35 to 6. 17 , may accordingly be obtained. ”. The. The system includes EPS forms for both 8" and 12" trench On occasion, monolithic trench drains may be required for maximum grate security - See ACO Infrastructure product line. Pipe connections are. 4 in. Heavy rainfall, climate changes and unpredictable weather patterns are impacting the way we control surface water. Channels, trench drains, sump units, gratings and accessories. This precast trench. , the industry leader in modular drainage systems for commercial and industrial use. TRENCH DRAIN. The maximum height of a 4-inch (102 mm) load-bearing masonry foundation wall supporting wood-frame walls and floors shall be not more than 4 feet (1219 mm). Anchorage shall be in accordance with Section 403. Qmax is a slot drainage system for applications consisting of small to large catchment areas. drains, grates, and surface water. Sport drain sloping system shall employ an angled grade on both sides of a linear trench to move runoff into a point along the channel. ) Easily ustomized EconoDrain PT-2® 2 - Point olt Down. ACO offers an infill and solid range in single part, 2 part, 3 part, trench run and multipart configurations. INDEX Side Opening Only. Installing driveway drains alleviates standing water that causes siding to rot and damage to foundations. Concrete stem walls that are monolithic with slabs-on-ground or are otherwise laterally supported by slabs-on-ground shall be vertically reinforced in accordance with Section R611. Specs and Installation. Using a shovel or small excavator, dig a trench that covers the length of the channel drain and the drain pipe. Holliday St, Baltimore, MD 21202 City Operator: (410) 396-3100The most commonly used is monolithic slab #4 rebar. Advantages:The barrier will prevent sediments from entering the drain while the gravel provides sufficient drainage. Our product line includes the EconoDrain® EPS forming system. 01 inch; 3EB; AASHTO; AASHTO Resource; Abrasion; Acid; ACPA; ACPA Resourcesselect “Add to Quote Generator”. Simple trench drains are easy to install in front of the garage afterward but also require cutting. Smooth inner surface for superior flow characteristics. 2. download: DWG view: PDF 8. They average only four inches thick and the footings only reach about 12 inches from the base to the top of the floor. Discover now. MULTIduct™. In states like Alaska and Minnesota, pipes are buried 80-100 inches (203. . EN 1433 also outlines system testing for monolithic trench drains (grate and body manufactured as a single unit). U. STORMWATER TRT UNIT (72IN) (3 CARTRIDGE) EA. In this Pro Tip episode I'll give you a way to know if the soil under your property has a high Clay content, and I'll talk about why expansive clay can wreck. In June 2023 the cost to Install a Cement Slab starts at $9. A patented trench drain system consisting of pre-sloped and neutral channels. Planning the excavation. Section L - LANDSCAPING. 2. IRLZ24N Power MOSFET in a TO-220AB through-hole package. 34 to 5. Shape may be either square or radius bottom, whichever shape is best for the application. Except for simple sloping drainage systems, a trench encircles the foundation and contains the perforated pipe and gravel. Monolithic polymer concrete 8” trench drains with high-capacity intake slots and pipe connection flumes TraffikDrain Heavy-Duty Grated Trench Drains BridgeDrain. NDS channel and trench drains are designed for durability, drainage. Single Piece Construction; Integral Section; Offers rugged durability for water conveyance and erosion control; Quick and easy install; Wings (and an optional base) extend from bridge and box culvert openings to act as a retaining wall to the surrounding terrainCreated Date: 10/27/2015 2:49:25 PMThe pipe gradually descends until it ties into the public sewer main that may run behind the houses in an easement or beneath the street in front of the house. Statesville, NC 28687. By lifting the base of the house, its walls are protected from flooding and some other environmental hazards. Add to basket. Currently, we have 9 websites that either highlight our. Placing of reinforcementAre you looking for the regional standard drawings for San Diego County? This pdf document contains the official drawings for various public works projects, such as. ”. 052: Raised Uni-directional Cycle Track Platform with Curb Cut and Trench Drain: Sep 2023: T-603. 00 incl VAT. The cost to install a French drain system in your yard or basement can vary depending on your home's unique situation. Box 7107. Number of bedrooms supported. The construction of footings is best. They excavate the ground below the channel, install perforated drain pipe and a sump pump well, and fill the trench with drainage gravel. . Wood sole plates at all exterior walls on monolithic slabs, wood sole plates of braced wall panels at building interiors on monolithic slabs and all wood sill plates shall be anchored to the foundation with minimum 1 / 2-inchdiameter (12. If the topsoil is scraped away, then the undisturbed soil below will usually be adequately compacted. Specifically, penetration from tree roots as they expand can put pressure on the pipes and. We carry a variety of systems including ACO systems, Zurn and U-Drain. The integration scheme for the trench VDMOS module is. 3. Utility Trench Drains BIM content. Make sure the tube slopes to drain the water. The location of the trench drains will depend on the configuration of the hangar. Monolithic trench drain with built-in grating in a single body, for medium or high loads, specially designed for intense vehicle traffic. In all cases, thermoplastic pipe should be installed at least below frost level. The trench drains shall be spaced a maximum of 50 feet (15. 3 and 701. ACO Drain consists of cast polymer concrete bodies with either galvanized steel, stainless steel or cast iron wearing. SMC/GRP - Josam's PRO-PLUS® trench drain system is. Assuming #8 size reinforcement (1" diameter), we can find d:SALICIDE (Self-Aligned Silicide) Source/Drain R s R SDd G gate oxide contact metal dielectric spacer channel N+ source or drain CoSi 2 or TiSi 2 After the spacer is formed, a Ti or Mo film is deposited. KOMPAQDRAIN. NDS 4 in. Trench drain gratings and covers can be made in a wide array of orientations that will handle any volume of water runoff. Trench Drain. Spread the excess fabric away from the foundation. Deep Series End Caps and Bottom Pipe Adapter for Modular Trench and Channel Drain Systems. 4 (4. Channel drains are installed into areas that can become flooded, like driveways and patios, to help redirect water to drainpipes. Monolithic MOSFETS are four terminal devices. We consider the contractor with every product feature and support service Zurn provides. Useful for medium-high hydraulic. underground electrical conduit prior to covering trench. as they are the exposed part of the trench drain. Our Trench Drain System provides lean construction options allowing you to save time, money, and resources on the job. Advantages of an interior vs. Bottom outlet connects to 3 in. THE MONOLITHIC SLAB CONSTRUCTION PROCESS. This achieves a continuous integral unit reacting and flexing with the. Wood sole plates at all exterior walls on monolithic slabs, wood sole plates of braced wall panels at building interiors on monolithic slabs and all wood sill plates shall be anchored to the foundation with minimum 1 / 2-inch-diameter (12. October 15, 2023. The modular design of our Pro Series Channel Drains offers flexibility with interlocking joints that offer quick and easy connections. Here we show you how to instal a trench drain using a new and better method than I have done in the past. , the industry leader in modular drainage systems for commercial and industrial use. Pins from left to right are: gate (logic-level), drain, source. 1. Stainless Steel Linear Shower Drain. Slope is added in 3 ways: - Sloping invert channels. With this system, weep holes are drilled into the floor/wall joint or, in the case of a block wall, into the walls themselves. The plumbing trenches are typically dug at the same time as the slab footings, if any. News. Section G - GENERAL SURFACE IMPROVEMENTS. Som e trench drains are monolithic and have n o . The ACO Modular Channel range includes channels for all common applications and all common floor types (concrete, tiles, resin). TRENCH DRAIN. Placing a turn-down slab outside the conditioned space removes the thermal bridge. ACO Food. L and W are the channel length and width, in meters. Deformation for Monolithic Inter-Tier vias In Monolithic 3D IC Packaging System Gurijala Deepthi, Mekala Girish Kumar and. ABT designs and manufactures some of the most extensive, reliable, and versatile lines of channel. More Details. Channel drains, also known as trench drains, are long, narrow drains that collect water and direct it to drain pipe; the water is carried to a discharge point downstream such as a pop-up emitter or to percolate into the ground with a dry well or infiltration trench. The pre-sloped commercial trench drain line is offered in 2″ , 4″ , 6″ , 8″ , 10″ , 12″ , 18″ , 24″ , 36″, and 48″ widths. A frost-protected shallow foundation (FPSF) is a monolithic slab that is protected with insulation against the heaving effects produced by the freeze-thaw cycles in colder climates. It is crucial to account for water flows, and adequate redirection must be prepared so that it does not undercut the slab. Once sections are delivered, they are set horizontally and the joints must be pulled together or ?tugged up” using a pulley system. Technical Resources from the American Concrete Pipe Association. sewer. Operating as switches, each of these components can sustain a blocking voltage of 120 V in the off state, and can conduct a continuous current of 30 A in the on state, dissipating up to about 100 W and controlling a load of over 2000 W. Please join the Standard Construction Drawings mailing list! Join the Roadway & Traffic Engineering mailing list and choose the Standard Construction Drawings topic Roadway & Traffic Engineering Em ail SignupTrench widths will have to be wider where pipe is joined in the trench or where thermal expansion and contraction is a factor. ACO Pipe. Zurn ZS880 type 304 (CF8) Fabricated Stainless Steel Linear Shower Drain. Concrete, Type A. Linear Concrete Washing Machine Grill Grating. Parking areas. & 4 in. ACO Infrastructure comprises a number of systems for roads and highways; mass transit systems (rail, bus, terminals, truck stops etc…) bridges and tunnels; seaports and container terminals, and airports. Image. EconoDrain #6 - SLOTTED DUCTILE IRON GRATE (STANDARD). The Spee-D Channel Drain, part of the NDS Profile Channel series, is ideal for capturing moderate water flows from driveways, patios, pools areas, courtyards, and walkways to. A monolithic structure 170 as schematically illustrated, including parallel fin structures 175 illustrated in cross-section in FIG. The ASCE design is a haunched, monolithic slab, where the integral slab and footings are poured at once. 1 existing subgrade 6" 6" 3" 12" 6" dia. Area available for flow (channel Monolithic trench drain with built-in grating in a single body, for medium or high loads, specially designed for intense vehicle traffic. Exact. 3. U. Male and female interconnecting joints Polymer concrete construction 130mm and 150mm height mountable kerb options and• choice of batter profiles One-piece unit Continuous capture inlets Monolithic kerb and trench drain unit made from polymer concrete Typical Applications • Highways. Our product line includes the EconoDrain® EPS forming system, EconoDrain DG-4™ decorative grate series, EconoDrain PT-2™ extra heavy-duty trench drain system, Alfa. 2. Talk to an expert at EJ to find out how the innovative solutions by EJ can work for your next project. Monolithic trench drain with built-in grating in a single body, for medium or high loads, specially designed for intense vehicle traffic. ACO’s access covers have been appraised by regulatory. or 12 in. The idea is that the thicker edge bears the weight of the exterior walls, just as a separately poured concrete footing would. Road Kerb Drainage Channel. £14. Once the trenches are dug, you can add the sewer pipes and stub-outs -- pipes that sit above the slab floor that eventually connect the sink, toilet, bathtub or shower, and any other drains to the system. Download the latest Zurn literature to assist with all of your plumbing projects. Vertically stacked pFETs and nFETs are formed on the monolithic structure 170 such that portions of the germanium fin regions 142 and III-V fin regions 146 are operable as channel. 1. 000. Created Date: 3/14/2014 4:09:12 PMA frost protected shallow foundation (FPSF) is a practical alternative to deeper, more-costly foundations in cold regions with seasonal ground freezing and the potential for frost heave. EN 1433 standard and the ASTM A112. 6 and Table R611. 3. New Product catalogue 2023/24. Section W - WATER SYSTEMS. 18 in. d. 9 of the 2012 IRC. When concrete is allowed to cure or harden, it can support the load of a building. The trench should be around 6 inches deep for the channel drain to give you enough space for laying the channel drain. First, a drainage trench is dug, sloping in the direction you want the. 4 (4. Useful for medium-high hydraulic requirements. Adjust the gravel base as needed. Sep 1, 2021 - BG-FILCOTEN Trench drain pro V is suitable for installation in industrial areas. 7 mm) anchor bolts spaced a maximum of 6 feet (1829 mm) on center or approved anchors or anchor straps. 34 cd-601-1. Maintenance and outlet units with ductile iron grates. Civil Construction Pathways for Indiana High Schools; INDOT and Vincennes University Commercial Driver's License Partnership; Federal Aid Highway Contractors Annual EEO ReportOnce the drain line is installed, coarse stone or gravel should then be put on top of the drain line leaving approximately 3–4 inches for topsoil for the lawn to grow in. 2250ml of ULMA's. Pro Series Channel Drain is ideal for draining moderate water flows flooding surfaces such as driveways, concrete and paver patios, courtyards, and walkways. D x 39. KerbDrain combines the benefits of Polycrete® Channels with a robust single piece construction comprising an integrally-cast channel and kerb with inlets for continuous drainage. Brass & stainless edging are options for aesthetic applications. The average cost to dig 100 linear feet of trench is $800. C-250 D-400 E-600 F-900. The Biden administration takes the threat seriously. e. Straight. Length fully parametric. They are designed to be liquid tight with no joints or penetrations. The drain shall extend not less than 12 inches (305 mm) beyond the outside edge of the footing. (PolyDrain) have remedied the aesthetics of their own channels by developing a metal overlay or. The appropriate load class for a trench drain depends upon the place of installation. POLYCAST® Presloped Trench Drains are easy and economical to install. McNICHOLS POLYCAST ® Presloped Trench Drain Systems are designed for indoor and outdoor residential, commercial and industrial applications. deep. Sub-slab barrier penetrations during trench drain installation and monolithic pours are eliminated using no-float legs and anchor slab. – Edge rails material: galvanized steel / stainless steel. Where the unbalanced backfill retained by the stem wall is greater than 18 inches (457. They protect the house itself. The F900 load class means that this channel drain can be used. Suitable for vehicles up to 100 tons total weight or 30 tons wheel load (load class E 600) High resistance to corrosive environments. Add to basket. Both codes state, “Slab-edge insulation is not required in jurisdictions designated by the building official as having a very heavy termite infestation. As far as thickness of monolithic concrete is concerned one should keep in mind that thickness of footing slab foundation will be 12-18 inches where load bearing walls will be located. Trench drains contain liquids and direct them to a drain to eliminate standing water or chemical spills. These linear drains are made up of primarily channels, end caps, end outlets, grates, catch basins and some other installation accessories. Patented interior drainage systems from Basement Systems are clog resistant. Pro Series Channel Drains Patios, Driveway, Sports Fields. The cost of a monolithic concrete slab is $5 per square foot, resulting in an average total cost of $4,600 to $20,000. L Trench and Channel Drain Kit (6-Pack)The registered design professional shall assign nonstructural concrete a freeze-thaw exposure class, as defined in ACI 318, based on the anticipated exposure of nonstructural concrete. Caisson (engineering) In geotechnical engineering, a caisson ( / ˈkeɪsən / or / ˈkeɪsɒn /; borrowed from French caisson, from Italian cassone, meaning large box, an augmentative of cassa) is a watertight retaining structure [1] used, for example, to work on the foundations of a bridge pier, for the construction of a concrete dam, [2] or. One variety is the thickened-edge slab. Som e trench drains are monolithic and have n o . 00 square inches per 1' section. 2 m) center-to-center. Eliminate standing water on hardscapes before it damages your property. $1. Useful for medium-high hydraulic requirements. The height of the concrete foundation wall is usually determined by the size of the structure above. Ideal for residential, commercial and industrial applications: Driveways. Trench depth is determined by intended service and local conditions. Compared to the other power semiconductor. 010 Backfill and Cover for Concrete Culverts with Spans Less than or Equal to 3. EN 1433 also outlines system testing for monolithic trench drains (grate and body. 5% Standard Slope Radius or Square ottoms Monolithic oncrete Run Lengths 264’ to 336’ (Std. We basically set the drain in a bed of mortar so we. The monolithic integration of trench vertical DMOS (VDMOS) n-channel transistors into an IC BCD process is reported for the first time. Subgrade—this is the native soil (or improved soil), usually compacted. Telecommunication, electrical, and mechanical contractors use precast vaults for housing switching, connecting or splicing equipment, and etc. . This precast trench drain system comes standard with 0. Stainless Steel Plant Grass Manhole Cove-Circular700X130. Surface Drainage & Channel Drain Products. Perimeter Trenches . 197” [5mm] up to 19. TrenchFormer is the original expanded concrete cast-in-place channel drain forming system. These two slab-on-grade configurations are illustrated in Figures 4-2 and 4-3. Monolithic Foundations A monolithic foundation consists of a two-piece foundation instead of a 3-piece one. Trench Safety System: 1: 1 Nov. The maximum height of a 4-inch (102 mm) load-bearing masonry foundation wall supporting wood-frame walls and floors shall be not more than 4 feet (1219 mm). 99 (317) Model# 83300-3. D525 - Standard Monolithic Curb . NetTech™. Compact Black 5. For 2,000 LBV soil or greater, two-story buildings may have 12-inch minimum wide footings. They are monolithic trench drains (with built-in grating and channel in a single body without any discontinuities) and are made of anti-corrosive materials such as polymer concrete, making them durable, strong and safe. ADA Compliant. Channels have rebar clips standard to secure trench in its final location. ULMA draingage channels in the port of Naples-Italy. Precast concete culverts can be shipped to the jobsite for immediate installation, cutting down on. 0M. Conventional monolithic box culverts are poured all as one piece to create seamless four-sided boxes which can be shipped to the jobsite for immediate installation. And what's more, remember that Biden is no warmonger or global power enthusiast. Simple access and connection between each channel run is provided by a range of access units, pits and. AD and AS are the areas of the drain and source diffusions, in square meters. The pre-sloped commercial trench drain line is offered in 2″ , 4″ , 6″ , 8″ , 10″ , 12″ , 18″ , 24″ , 36″, and 48″ widths. D526 - Paved Parkway Sections - Typical. £65. S. Swale. 2. removable grates. Here we show you how to instal a trench drain using a new and better method than I have done in the past. Overlap the sock ends after you connect them. In this inspection training article, we'll discuss the following foundation types: crawlspace; basement; slab-on-grade with. Monolithic trench drain with built-in grating in a single body, for medium or high loads, specially designed for intense vehicle traffic. X. Custom Shower Pans: are built to any shape, size and custom drain location with the widest variety of options available. Shop this Collection. monolithic trench drains with grate and body manufactured as a single unit. Part Number. Innovation and sustainability on every page . . 00 incl VAT. Formers - Manufactured from expanded polystyrene (EPS), the light-weight and environmentally safe disposable formers create a high precision monolithic trench. Plastic Channel Drains – can only be used for residential driveways since they are not. Lay the plastic pipe in the dug trench sloping from a higher elevation starting point to a lower elevation ending point so that the water can be forced out by gravity. Patented flying buttress design provides load-bearing support from both sides as well as underneath the channel. Add crushed stone and pipe. Thesanitarydrainagesys-tem must connect to either a sewer system (whichThe soil beneath the slab must be compacted and not contain any organic matter. It is significant to drain the soil well. Warm areas have their pipes laid anywhere between 12-24 inches (30. Or call us at 888-825-4716. 5 A (Note 2) 380 700 mV t rr Diode Reverse Recovery Time 30 ns I RM Diode Reverse Recovery Current 2 A Q rr Diode Reverse Recovery Charge I F = 16 A, d iF/d t = 300. wide, 3-3/4 in. 12. ACO’s access covers have been appraised by regulatory. With different depths available, this S100 Vienite F900 Channel Drain is from ACO's S100 Channel Drain range. It currently includes facilities owned and maintained by the Los Angeles County Flood Control District (District), the City of Los Angeles, and United States Army Corps of Engineers (Corps. There are two beam. BIM content - Architectural Building Information Modeling (BIM) objects / families / systems, free to download in revit or dwg formats for use with all major BIM and CAD software including AutoCAD, Sketch-Up, ArchiCAD and others. ACO offers an infill and solid range in single part, 2 part, 3 part, trench run and multipart configurations. thick, while concrete in the middle of the slab would be less than half that. They also. In an other style of drains, the grates are screwed to the drain body. Monolithic oncrete Run Lengths 264’ to 336’ (Std. They come with cover slabs, which are designed for various load conditions. is a monolithic concrete turn-down slab. Following The Steps To Build a Floating Slab. This achieves a continuous integral unit reacting and flexing with the Specification: MIFAB® Series P6120-ELTD for Elevator Trench Drain, 12” wide, 16 gauge fabricated Type 304 stainless steel presloped trench drain (1/8” per foot) with slotted, Load Class “A” Light duty stainless steel ADA compliant grates. If the drainage problem is severe, it is helpful to bring the gravel right to the top of the drain trench and leave it exposed. Useful for medium-high hydraulic requirements. Compact Series 5. Concrete Split Culvert has a wide variety of applications including managing storm water at underpasses, service tunnels, subways, and bridges. 5”, 6”, 8”, 10”, 12”, 15”, 18”, and 24”. The source and drain regions under bias create depletion regions that are connected by the gate induced depletion region in the p-body, and this connection defines the “effective channel length” which is a measure of the distance between the source and drain depletion edges. A trench drain is a linear drainage application used to catch, collect and convey water from a starting location to and an outlet or catch basin. The code is unclear. S. ACO Drain consists of cast polymer concrete bodies with either galvanized steel, stainless steel or cast iron wearing edges. D521 – Concrete Pavement Trench Repair 12/20/2012 . ACO Drain’s commitment to excellent service, product variety, and. The Grifform® Custom Shower Pans can be built using many different approved Solid Surface materials and colors. Lynnwood Standard Plans Index (PDF, 267KB) Lynnwood Standard Plans Naming System (PDF, 346KB) Lynnwood Retired Standard Plans Guide (PDF, 255KB) 10 Result (s) Found. The reinforcing schedule and construction detail for a sump and depression is shown in Figure 5. 2001 floor and trench drain standard. Like a trench drain, a swale is a surface water drainage device. 69” [500mm].