EZfl w. EZflow Drainage Systems Design and Installation Manual JULY 2010

Transcription

1 This manual is for the EZflow product, but the same principles apply to EZ-Drain. EZflow Drainage Systems Design and Installation Manual EZfl w 0 INTRODUCTION 2 COMPONENT SPECS 3 PIPE AGGREGATE MESH USAGE GUIDELINES 4 APPLICATIONS 5 FRENCH DRAIN 6 INTERCEPTOR DRAIN 8 CURTAIN DRAINS 9 LANDSCAPE DRAINS 10 GOLF COURSE DRAINS 11 FOUNDATION DRAINS 12 RETAINING WALL DRAINS 13 ROOF RUNOFF DRAINS 14 BASEMENT/CRAWLSPACE DEWATERING 15 WARRANTY 16 1 JULY 2010

2 INTRODUCTION INTRODUCTION INTRODUCTION irrigation, The purpose and of water this manual management is to provide valves specific design for 1501-A-MESH the and residential installation 1501-FB-MESH and information non-residential pertinent 1501-FC-MESH to the markets. use of EZflow In our drainage drive products in The French, purpose interceptor, of this manual curtain, is landscape, to provide specific golf course, design 1501-A-MESH foundation, and The installation purpose retaining 1501-FB-MESH of information this wall, manual roof pertinent runoff 1501-FC-MESH is to and provide to basement/crawlspace drainage products applications. in French, Each interceptor, revised curtain, version landscape, of this manual golf supersedes course, products foundation, in the French, previous retaining interceptor, version. wall, For roof curtain, more runoff landscape, infor mation, basement/crawl- golf course, the specific use of EZflow design 1501-A-MESH drainage and ins to innovate and provide our customers with high-performing solutions fitted to the changing needs 15" 15" 15" of our please environment, contact space EZflow drainage we by Infiltrator have applications. expanded at Each revised our green-build version or your local of this products sales manual space representative. drainage supersedes and sustainable applications. the previous Each applications version. revised For version more to infor of this mation, manu 15" 15" 15" 15" ODUCTION INTRODUCTION include EZflow, please a contact pre-engineered EZflow by Infiltrator French at Drain that is not or your please only local sustainable, contact sales representative. EZflow but by Infiltrator also cost at effective or your lo EZflow drainage products must be used in conjunction NO PIPE with manufacturer s 6" PIPEinstructions 6" and PIPElocal and/or state code. and simple EZflow to install. drainage products must be used in conjunction NO PIPE with EZflow manufacturer s drainage 6" PIPEproducts instructions must 6" and PIPE be local used and/or in conjunction state NO code. PIPE with man EZflow Drainage Products 1501-A-MESH 1501-FB-MESH 1501-FC-MESH 701A-MESH 701F-MESH EZflow Drainage Products EZflow Drainage Products EZflow The purpose drainage 1501-A-MESH of bundles this manual are FB-MESH is feet to provide in length specific with 1501-FC-MESH a slotted design pipe ad installation surrounded 701A-MESH 1501-A-MESH information by 701F-MESH expanded pertinent 1501-FB-MESH polystyrene to the aggregate use 1501-FC-MESH of EZflow and enclosed 701A-MESH in 7 e purpose geotextile drainage The purpose mesh. Configurations of this manual are is to available provide specific in 7-inch design bundles 1501-A-MESH and with installation without 1501-FB-MESH information a 3-inch pipe, pertinent 1501-FC-MESH 10-inch to bundles the use with of EZflow or without drainage a 4-inch pipe, 15" of this manual EZflow products is drainage to and 15-inch bundles 15" provide French, bundles specific interceptor, are with or without 15" design A-MESH feet curtain, and length installation landscape, with 1501-FB-MESH a information slotted gold EZflow pipe course, pertinent surrounded 1501-FC-MESH drainage foundation, to the bundles by use expanded retaining of are EZflow 10 wall, polystyrene feet drainage roof length runoff aggregate and a slotted and enclosed pipe su basement/crawl-space drainage applications. a 6-inch Each pipe. Accessories revised version include of this 3-inch, manual 4-inch, supersedes and 6-inch the internal previous couplers, version. end For caps, oducts in French, products interceptor, geotextile French, mesh. curtain, interceptor, Configurations landscape, curtain, golf are landscape, available course, foundation, in golf 7-inch course, bundles retaining foundation, geotextile with wall, or without mesh. retaining roof runoff Configurations a 3-inch wall, and roof basement/crawlace drainage for varying space applications. drainage applications. Each applications. Unless revised specifically version Each revised of required this version manual by code of supersedes this manual supersedes the previous version. For more infor mation, pipe, runoff 10-inch are available and bundles basement/crawl- in 7-inch with bundles without with a 4-in o internal information tees, and please internal contact wyes. The NDS 10-inch at and 15-inch bundles or your are local available sales pipe, 15" with and representative the 15-inch pipe located bundles 15" with the center or without or 15" bottom of the bundle pipe, 15" and 15-inch bundles 15" with or without 15" a 6-inch pipe. Accessories include 3-inch, 4-inch, and 6-inch a internal 6-inch pipe. couplers, Accessories end cap 15" or other requirement, the previous 15" the version. pipe can For 15" be more either infor centered mation, internal tees, and internal wyes. The 15" 10-inch and at the the NO please bundle. PIPE contact Illustrations EZflow 6" PIPE shown by Infiltrator herein are 6" at generic PIPE NO 15-inch PIPE 15" bundles 3" PIPE internal are available 15" tees, and with internal the pipe wyes. located The 10-inch the center and 15-inch or bottom bundles of the are bund av ease contact EZflow and may show or your either local configuration. sales representative. EZflow for by drainage varying Infiltrator (BOTTOM) products applications. at must Unless be (CENTERED) used specifically or your local in conjunction required sales with by representative. code manufacturer s (CENTERED) for other varying requirement, applications. instructions the and Unless pipe local can specifically and/or be either state required centered code. by or code at the or bottom other the NO bundle. PIPE Illustrations 6" PIPE shown herein are 6" generic PIPE NO PIPE 3 the NO bundle. PIPE Illustrations 6" PIPE shown herein are 6" generic PIPE NO PIPE 3" PIPE and may show either configuration. and may show either Zflow drainage 7-inch EZflow products Bundles (CENTERED) drainage must products be used must in conjunction be used in with conjunction manufacturer s 10-inch NO PIPE with Bundles ( NO PIPE 6" PIPE manufacturer s instructions 6" PIPE 6" and PIPE instructions local and/or 6" and PIPE state local code. and/or state code. 7-inch Bundles (BOTTOM) 10-inch 7-inch (BOTTOM) Bundles (CENTERED) Bundles (CENTERED) 10-inch Bun 701A-MESH 701F-MESH 1001-A-MESH 1001-FB-MESH 1001F-MESH EZflow Drainage Products 701A-MESH 701F-MESH 1001-A-MESH 701A-MESH 1001-FB-MESH 701F-MESH1001F-MESH 1001-A-MESH low Drainage EZflowProducts Drainage Products 1-A-MESH EZflow 1501-A-MESH 1501-FB-MESH 1501-FC-MESH 701A-MESH 701F-MESH 1501-FB-MESH drainage bundles 1501-FC-MESH are 10 feet in length 701A-MESH with a slotted 701F-MESH 10" pipe surrounded 10" by expanded 10" polystyrene aggregate and enclosed in w drainage EZflow geotextile bundles drainage mesh. are 10 Configurations bundles feet in length are 10 are with feet available a in slotted length in 7-inch pipe with bundles a surrounded slotted with pipe by or surrounded without expanded 10" a 3-inch polystyrene by expanded 10" pipe, 10-inch aggregate polystyrene bundles 10" and with aggregate enclosed or without in and a 4-inch enclosed pipe, 10" in xtile mesh. geotextile and Configurations 15-inch mesh. bundles Configurations are with available or without in are 7-inch a available 6-inch bundles pipe. in 7-inch Accessories with bundles without include with a 3-inch or 3-inch, without pipe, 4-inch, 10-inch a 3-inch and bundles 6-inch pipe, 10-inch internal with or couplers, bundles without with a end 4-inch or caps. without EZflow a 4-inch " pipe, 15" and 15-inch bundles 15" with or without 15" and 15-inch bundles NO bundles PIPE 15" can also with 3" be PIPE or used without 15" with a internal 6-inch pipe. tees, and a Accessories 6-inch internal pipe. wyes. include NO Accessories PIPE The 3-inch, 15-inch include 4" 4-inch, bundles PIPE 3-inch, and are 6-inch available 4" 4-inch, PIPE internal with and the 6-inch couplers, pipe internal located end caps, couplers, in the center end or caps, al tees, and bottom internal of tees, the wyes. NO and bundle (CENTERED) PIPE The internal for 10-inch varying wyes. 3" PIPE and applications. The 15-inch 10-inch bundles and Unless 15-inch are specifically available bundles required with are the NO available by pipe PIPE (BOTTOM) code NO located with PIPE or other 4" in PIPE pipe the (CENTERED) 3" requirement, PIPE center located or 4" in bottom PIPE the pipe center of can the or bundle be bottom either of centered the bundle NO or PIPE rying applications. for at the varying bottom Unless applications. of the specifically bundle. Unless (CENTERED) Illustrations required specifically by shown code required herein or other are by requirement, code generic or and other may the requirement, pipe show can either be (BOTTOM) the configuration. either pipe (CENTERED) centered can be (CENTERED) either or at the centered bottom or of at the bottom of the NO bundle. PIPE Illustrations 6" PIPE shown herein are 6" generic PIPE NO PIPE 3" PIPE undle. PIPE Illustrations 6" PIPE shown herein are 6" generic PIPE NO PIPE 3" PIPE and may show and either may configuration. show either configuration. (BOTTOM) (CENTERED) (CENTERED) (CENTERED) 15-inch Bundles h Bundles 7-inch 1001-A-MESH Bundles 1001-FB-MESH 1001F-MESH 15-inch Bundles 10-inch Bundles 10-inch Bundles 15-inch Bundles 1001-A-MESH 1001-FB-MESH 1001F-MESH 1001-A-MESH 1001-FB-MESH 1001F-MESH 1501-A-MESH 1501-FB-MESH 1501-FC-MESH A-MESH 701F-MESH EZ-0701A 701A-MESH 701F-MESH EZ-0701F 1001-A-MESH 1001-FB-MESH 1001-A-MESH EZ-1001A 1001-FB-MESH 1001F-MESH EZ-1001F 1001F-MESH 10" 1501-A-MESH 10" 1501-FB-MESH 10" 1501-FC-MESH 1501-A-MESH 1501-FB-MESH 1501-FC-MESH PIPE 10" 10" 10" 10" 10" 10" 15" 15" 15" 10" 10" 10" 10" NO PIPE 15" 4" PIPE 4" 15" PIPE 15" 15" 15" 15" NO PIPE (BOTTOM) 4" PIPE (CENTERED) 4" PIPE NO PIPE 4" PIPE 4" PIPE NO PIPE 6" PIPE 6" PIPE 3" NO PIPE PIPE 3" PIPE(BOTTOM) (CENTERED) NO PIPE NO 4" PIPE 4" PIPE NO PIPE NO PIPE 4" PIPE 6" PIPE 6" PIPE 6" PIPE 6" PIPE (CENTERED) (CENTERED) Accessories ch Bundles 15-inch Bundles 1-A-MESH NDS is the industry s primary source for solutions in stormwater management, efficient landscape 701A-MESH 701F-MESH Accessories 1001-FB-MESH 1001-A-MESH 701A-MESH 1001-FB-MESH 1001F-MESH 701F-MESH 1001F-MESH 1-A-MESH EZ-1501A 1501-A-MESH 1501-FB-MESH EZ-1501FB 1501-FB-MESH 1501-FC-MESH 1501-FC-MESH EZ-1501 " 10" 10" 10" " 15" 15" 15" End Cap NO PIPE 15" 3" PIPE 15" PIPE NO 4" PIPE (CENTERED) 4" PIPE 4" PIPE End Cap NO PIPE 3" PIPE NO PIPE 3" PIPE Elbow NO Coupler (CENTERED) PIPE 6" PIPE Tee Wye (CENTERED) Elbow PIPE 6" PIPE 6" PIPE 6" PIPE (BOTTOM) Coupler(BOTTOM) (CENTERED) (CENTERED) Tee Wye Coupler Tee Wye Coupling 1001-A-MESH 1001-FB-MESH 1001F-MESH 1001-A-MESH 1001-FB-MESH 1001F-MESH 1001-A-MESH 1001-FB-MESH 1001F-MESH essoriesaccessories A-MESH 2 701F-MESH 701A-MESH 701F-MESH Page 10" Contact 2 NDS 10" at " for additional information. Contact Infiltrator Systems at for additional information. Page 10" 2 10" 10" Accessories 701A-MESH (BOTTOM) 701F-MESH (CENTERED) Page 10" Contact 2 Infiltrator 10" Systems at " for additional information. Con

3 COMPONENT SPECS f EZ l w 0 Slotted Drain Pipe The black, single-wall, corrugated EZflow drainage pipe is constructed of polyethylene resins with a high recycled content, typically greater than 90%. Nominal 3-inch diameter pipe is utilized in the 7-inch bundle, 4-inch pipe in the 10-inch bundle, and 6-inch pipe in the 15-inch bundle. Slots are punched during extrusion of the pipe, slot orientation is random and pipe rotation within each bundle is inconsequential to drainage system function. The pipe is aligned either along the center axis or touching bottom edge of the bundle, depending upon application and code requirements. EZflow drainage pipe meets ASTM F405 Standard Specification for Corrugated Polyethylene (PE) Pipe and Fittings. A roughness coefficient of (Manning s n ) should be used in flow calculations for 3- to 6-inch corrugated polyethylene pipe with a corrugated interior. lightweight expanded polystyrene AGGreGAte offers structural integrity And resists compaction engineered flow channels increase void space creating improved water flow And GreAter storage Geosynthetic Aggregate The blue geosynthetic EZflow drainage aggregate is manufactured from 100% recycled materials. Made from expanded polystyrene (EPS), the aggregate beads have a fine to medium cell structure and two sizes are utilized; the smaller in the 7-inch bundles and the larger in the 10- and 15-inch bundles. Both beads are cubical and have protuberances that provide increased pore space and flow characteristics for drainage applications. For storage applications, a porosity of 40% is recommended for consolidated EPS aggregate within the bundle. 30 sieve Geotextile mesh Geotextile Mesh The black, knit geotextile mesh sock holds the EZflow drainage bundle together. The 30-sieve geotextile mesh fabric used for the sock provides appropriate permeability for drainage while limiting the migration of soils into the bundle and drainage system. The geotextile mesh has an apparent opening size of 0.60 mm, a unit weight between 2.5 to 3.5 ounces per square yard, and strength of 100 pounds per square inch in accordance with ASTM D The flow rate through the geotextile mesh, as provided by the manufacturer, is 300 gallons/square foot/minute at 3 inches of head in accordance with ASTM D Geosynthetic AGGreGAte 3, 4 or 6 slotted pipe 3 Contact Infiltrator Systems at for additional information. Page 3

4 USAGE GUIDELINES USAGE GUIDELINES Usage Guidelines Usage Guidelines SAFE HANDLING SAFE Individual HANDLING EZflow drainage bundles are 10 feet in length and range in weight from 2 pounds for the 7-inch aggregate-only bundles to 13 Individual pounds for EZflow the 15-inch drainage bundles bundles with are pipe. 10 Several feet in length bundles and are range wrapped in weight together from in 2 clear pounds plastic for the for 7-inch shipping. aggregate-only The clear plastic bundles wrapping to 13 must pounds not for be the installed 15-inch along bundles with with the bundle pipe. Several and should bundles be removed are wrapped prior together installation clear and plastic disposed for shipping. of properly. The clear plastic wrapping must not be installed along with the bundle and should be removed prior to installation and disposed of properly. BENDS AND CORNERS BENDS AND CORNERS EZflow drainage aggregate-only bundles can bend around and into most corners with ease. Bundles with pipe require appropriate pipe EZflow couplers drainage and elbows aggregate-only to accommodate bundles ninety-degree can bend around bends. and into most corners with ease. Bundles with pipe require appropriate pipe couplers and elbows to accommodate ninety-degree bends. PIPE CONNECTIONS PIPE CONNECTIONS Bundles with pipe require couplers to make connections between bundles and other system piping components. Insert the appropriately Bundles sized coupler with pipe into require the EZflow couplers bundle to until make the connections coupler clicks between into place, bundles insert and other remaining system piping coupler components. end into the Insert next bundle the appropriately or system sized component coupler and into click the EZflow into place bundle to until finish the this coupler connection. clicks into Connections place, insert to the cleanouts, remaining catch coupler basins, end into manholes the next and bundle other or system components and may click require into gaskets place or to the finish use this of grout connection. to form soil Connections tight and watertight to cleanouts, seals catch as needed. basins, manholes and other system components may require gaskets or the use of grout to form soil tight and watertight seals as needed. REDUCING BUNDLE LENGTH REDUCING BUNDLE LENGTH If a ten-foot EZflow bundle length is not required, the bundle can be cut and retied to the desired length with the original tie, wire or duct If tape, a ten-foot and the EZflow excess bundle beads length can be is not placed required, in the the excavation. bundle can Bundle be cut length and retied can be to reduced the desired as follows: length with the original tie, wire or duct tape, and the excess beads can be placed in the excavation. Bundle length can be reduced as follows: First, measure the desired length plus one-half the product diameter from one end of the bundle. First, measure the desired length plus one-half the product diameter from one end of the bundle. Second, cut the mesh around the bundle circumference at the measured distance, remove excessive EPS aggregate from mesh and Second, place the cut excess the mesh EPS aggregate around the in bundle the trench. circumference at the measured distance, remove excessive EPS aggregate from mesh and place the excess EPS aggregate in the trench. Third, twist the mesh until the EPS aggregate is held firmly inside the bundle and secure the mesh. If the bundle has a pipe, gather the mesh Third, against twist the the mesh pipe until until the the EPS aggregate is held is held firmly firmly in place, inside secure the bundle mesh and into secure place, the apply mesh. a zip If tie the and bundle tighten. has a pipe, gather the mesh against the pipe until the aggregate is held firmly in place, secure mesh into place, apply a zip tie and tighten. Lastly, for a bundle with pipe trim any excess pipe down to the desired length. Lastly, for a bundle with pipe trim any excess pipe down to the desired length. INSTALLATION IN FINE-GRAINED SOILS INSTALLATION IN FINE-GRAINED SOILS If a system needs to be installed in soils that have more than 50% by content silt or clay particles, a secondary fabric with the appropriate If apparent a system opening needs to size be to installed match in soil soils conditions that have should more than be wrapped 50% by around content the silt or circumference clay particles, of a the secondary system. An fabric engineer with the or appropriate landscape architect apparent should opening be size consulted to match to soil determine conditions the appropriate should be wrapped fabric for around such conditions. the circumference of the system. An engineer or landscape architect should be consulted to determine the appropriate fabric for such conditions. STORAGE STORAGE EZflow drainage products should not be exposed to direct sunlight for periods exceeding 60 days as the mesh fabric may become EZflow compromised drainage and products yellowing should of the not aggregate be exposed has been to direct observed. sunlight It for is recommended periods exceeding that EZflow 60 days drainage as the mesh products fabric be may stored become inside and compromised away from and direct yellowing sunlight. of Product the aggregate should be has covered been observed. securely It with is recommended a light-blocking that tarp EZflow if stored drainage outside products for extended be stored periods. inside and away from direct sunlight. Product should be covered securely with a light-blocking tarp if stored outside for extended periods. STRUCTURAL CAPABILITY STRUCTURAL CAPABILITY EZflow drainage systems are designed for use in residential and light commercial non-traffic drainage applications. EZflow drainage systems EZflow drainage are designed systems to withstand are designed single for pass use construction in residential wheel and light loading commercial and occasional non-traffic light drainage vehicular applications. load of up to EZflow 16,000 drainage lbs per systems axle provided are designed the product to withstand is installed single a pass trench construction with 12 of compacted wheel loading fill placed and occasional over the light bundles. vehicular EZflow load drainage of up to systems 16,000 lbs are per not axle designed provided to be the placed product under is installed live-load in traffic a trench conditions with 12 such of compacted as paved or fill non-paved placed over roadways, the bundles. driveways, EZflowor drainage parking areas. systems are not designed to be placed under live-load traffic conditions such as paved or non-paved roadways, driveways, or parking areas. Page 4 Contact Infiltrator Systems at for additional information. 4 Page 4 Contact Infiltrator Systems at for additional information.

5 f EZ l w 0 Applications Interceptor or Curtain Foundation Roof Runoff Landscape French Drain Retaining Wall EZflow drainage systems are appropriate for a wide range of applications and are a convenient alternative to traditional stone and pipe drainage, storage and infiltration systems. EZflow drainage systems can be used as a substitute for stone in most applications where the stone is not utilized for structural support. When stone does serve as structural support, such as a base course in a roadway or backfill in a mechanically-stabilized-earth retaining wall, EZflow should not be used. A professional engineer, landscape architect or other qualified design professional should be consulted for complex applications. Product selection is relative to the desired application and benefits from establishing anticipated flow into, through and out of a proposed drainage system configuration. Selection considerations include: bundle sizing and storage volume, the presence or absence of pipe, pipe size and location within the bundle, and arrangement of bundles. Design factors may include: length of system, watershed area, soil type and permeability, groundwater levels and system discharge opportunities. EZflow drainage storage volumes and pipe discharge rates are listed below. Basic product selection, system configuration considerations and installation methods are discussed in each application description that follows. Product Storage and Flow for EZflow Drainage Bundles (45% void space amongst consolidated EPS aggregate) Aggregate-Only Bundles Storage Volume (gallons/10-ft bundle) Flow Capacity 1% slope) Product Pipe Bundles Storage Volume (gallons/10-ft bundle) Flow Capacity 1% slope) EZ-0701A 701-A EZ-0701F 701-F EZ-1001A 1001-A F/1001-FB EZ-1001F EZ-1501A 1501-A EZ-1501F/EZ-1501FB 1501-F/1501-FB Contact Infiltrator Systems at for additional information. Page 5

6 French Drains Subsurface drainage systems have been in common use for centuries. They take many forms, but are all similar in design and function to the traditional French drain. French drains are excavated trenches filled with aggregate surrounding a slotted or perforated pipe that conveys excess surface and groundwater to a discharge point away from the drainage area. EZflow drainage products can be used as a substitution for conventional aggregate in French drain systems. EZflow drainage French drains should be laid out strategically to dewater irregular, poorly drained areas. A defined pattern such as a herring bone and gridiron should be used to drain complete areas including lawns, athletic fields, golf course greens and sand traps. These patterns include laterals that drain to collectors that discharge to an outfall. In general, laterals should not be longer than 50 feet and collectors no longer than 100 feet without increasing the pipe diameter downstream. In addition, the slope of each downgradient run should increase throughout the length of the system. Trench depth and spacing will vary depending on soil texture of the area being drained. Trench depth can also be limited by outlet conditions in flatter areas. Lines may be spaced widely and deeply in sandy soils, and are generally placed shallower and closer together in clay soils. IRREGULAR GRIDIRON HERRING BONE DRAINAGE AREA OBSTRUCTION The 7-inch EZflow drainage bundles with integrated 3-inch pipe are appropriate for small area residential subsurface drainage systems. 10-inch bundles with 4-inch pipe can be used to drain areas of up to two acres in poorly drained organic soils. In larger areas or if there is over 200 feet of pipe upstream, the 15-inch bundles with 6-inch pipe are recommended. TYPICAL FRENCH DRAIN TYPICAL FRENCH DRAIN MINIMUM 66 INCHES PERMEABLE MINIMUM 6 BACKFILL INCHES CROWN TRENCH PERMEABLE BACKFILL CROWN TO PREVENT TRENCH VEGETATIVE TO SADDLING PREVENT VEGETATIVE COVER SADDLING EZflow COVER EZflow AGGREGATE AGGREGATE ONLY BUNDLE ONLY BUNDLE EZflow BUNDLE EZflow BUNDLE EZflow WITH BUNDLE EZflow PIPE WITH BUNDLE PIPE WITH PIPE WITH PIPE NATIVE SOIL NATIVE SOIL FRENCH DRAIN IN CLAY SOILS FRENCH DRAIN IN CLAY SOILS CROWN TRENCH CROWN TO PREVENT TRENCH MINIMUM 4 INCHES TO SADDLING PREVENT MINIMUM BACKFILL 4 ININCHES SADDLING BACKFILL LOW-PERMEABILITY IN VEGETATIVE LOW-PERMEABILITY VEGETATIVE CLAY SOILS COVER CLAY SOILS COVER EZflow BUNDLE EZflow WITH BUNDLE PIPE WITH PIPE HEAVY CLAY SOIL HEAVY CLAY SOIL ALTERNATE CONFIGURATIONS ALTERNATE CONFIGURATIONS EZflow EZflow AGGREGATE AGGREGATE ONLY BUNDLE ONLY BUNDLE EZflow BUNDLE EZflow WITH BUNDLE PIPE WITH PIPE Minimum Recommended Depth of Cover* Condition Depth (in.) Residential area, commercial lawn mowers 6** Athletic fields with consistent activity 8 Areas with occasional light vehicular traffic 12 * It is recommended that EZflow drainage systems be installed a minimum of 6 inches below existing or planned subsurface irrigation lines. ** In low-permeability clay soils, trenches can be placed with a minimum 4 inches of permeable backfill. 6 Page 6 Contact Infiltrator Systems at for additional information.

7 French Drain Installation Instructions APPLICATIONS French Drain Installation Instructions f EZ l w The steps below offer typical installation practices for French drains and will vary based on site conditions. These practices are also applicable to landscape plant bed drains and for wet areas on golf courses. 1. Identify the area to be drained and mark off lateral and collector lines before digging beginning trench excavation. The steps below offer typical installation practices for French drains and will vary based on site conditions. These practices are also 2. applicable Start excavating to landscape the trench plant bed at the drains discharge and for point wet or areas where on connections golf courses. to downstream piping will be made. Trench width should be equal to the diameter of the bundle being used. Trench depth will reflect existing 1. Identify terrain, the area desired to be drainage drained and line mark slope off and lateral length, and height collector of lines bundles(s) before and digging required beginning cover trench thickness. excavation. Ensure proper slopes by using a transit or builder s level and grade the trench bottom evenly for proper flow. 2. Start excavating the trench at the discharge point or where connections to downstream piping will be made. Trench width should be equal to the diameter of the bundle being used. Trench depth will reflect existing terrain, desired drainage line slope and length, height of bundles(s) and required cover thickness. Ensure proper slopes by using a transit or builder s level and grade the trench bottom evenly for proper flow. 3. Place the EZflow drainage bundle with pipe end to end along the edge of the trench. Use an end cap at the system high point and fully insert the proper couplings at all bundle-to-bundle connections. Lay the connected bundles with pipe in trench, stacking aggregate-only bundles above these bundles as needed Place the a minimum EZflow drainage of 4-inches bundle permeable with pipe backfill end to (see end recommended along the edge depths of the of trench. cover Use on page an end 6) over cap the at the bundles system without high point compaction. and fully Additional insert the sand/backfill proper couplings can be at placed all bundle-to-bundle and compacted connections. normally above Lay the loose connected fill to prevent bundles trench with pipe saddling. trench, Cover stacking trench aggregate-only with sod or topsoil bundles and seed above to finish these installation. bundles as needed. 4. Place a minimum of 4-inches permeable backfill (see recommended depths of cover on page 6) over the bundles without compaction. Additional sand/backfill can be placed and compacted normally above the loose fill to prevent trench saddling. Cover trench with sod or topsoil and seed to finish installation. 0 Contact Infiltrator Systems at for additional information. Page 7 7 Contact Infiltrator Systems at for additional information. Page 7

8 Interceptor Drains An interceptor drain is a type of French drain that collects surface water moving downhill and/or groundwater moving horizontally in the soil above an impervious or low-permeability layer. These drains prevent runoff and seepage from slopes onto areas below. Interceptor drains should run along a contour above the area which is intended to be kept free from seepage and runoff. Interceptor drain trenches should penetrate one-half of an EZflow bundle diameter into the impervious layer below the water table, extend the length of the existing seepage line and run to daylight at a code-compliant outfall. The 10-inch EZflow drainage bundles with integrated 4-inch pipe are appropriate for most interceptor drain situations. In conditions of excessive surface runoff or groundwater, or if there is over 200 feet of drain line, the 15-inch bundles with 6-inch pipe are recommended. SEEPAGE (WEEP) LINE WET AREA COARSE SAND OR PERVIOUS MATERIAL BACKFILL, 6 IN. MIN. BERM DOWNHILL SIDE OF TRENCH IN AREAS OF HIGH SURFACE RUNOFF IMPERVIOUS LAYER IMPERMEABLE LINER IF NECESSARY AGGREGATE-ONLY BUNDLES, STACK AS NEEDED (TRENCH DEPTH VARIES) SURFACE RUNOFF GROUNDWATER MOVEMENT THROUGH PERVIOUS SOILS CLAY, HARDPAN, ROCK, ETC. EZflow BUNDLE WITH PIPE - PIPE CENTER AT OR BELOW RESTRICTIVE LAYER ELEVATION INSTALLATION INSTRUCTIONS The steps below offer typical installation practices for interceptor drains and will vary based on site conditions. 1. Identify and mark off a hillside contour parallel with the slope to intercept surface water runoff. Lay the system out to allow for at least two feet in elevation above the impervious layer causing a downgradient groundwater seep. 2. Start excavating the trench at the discharge point or where connections to downstream piping will be made. The trench width should be equal to the diameter of the bundle being used. The trench depth should be deep enough to excavate one-half of a bundle diameter into the impervious layer. It may be desirable to create a small soil berm on the downhill side of the trench in areas of high surface flow to encourage runoff infiltration into the drain. Ensure proper slopes by using a transit or builder s level and grade the trench bottom to promote the flow of collected water. 3. Place the EZflow drainage bundles with pipe end to end along the edge of the trench. Fully insert the proper couplings at all system connections. An impervious liner may also be installed the full depth on the downhill side of the trench to further control seepage below. Lay the connected bundles with pipe in the trench, stacking aggregate-only bundles above the pipe-containing bundles as needed. 4. Place a minimum of 6 inches of permeable backfill over the bundles without compaction. Additional sand/backfill can be placed and compacted normally above the loose fill to prevent trench saddling. Cover trench with sod, sand or topsoil and seed to finish installation. 8 Page 8 Contact Infiltrator Systems at for additional information.

9 f EZ l w 0 Curtain Drains A curtain drain is a type of French drain that collects and diverts groundwater and surface runoff away from an area of concern, such as a septic system drainfield. For a drain field, curtain drains are useful in controlling groundwater conditions that may compromise system function. EZflow curtain drain systems can help preserve the proper functioning of septic system drainfields. Curtain drain configuration, discharge, installation depth and horizontal setback from septic system drainfields vary based upon local conditions. Curtain drains can be placed deeply to collect and divert groundwater, shallower for controlling surface runoff, or in both configurations as needed. An observation port may be installed to monitor curtain drain function. An impervious liner may also be installed on the curtain drain trench sidewall as needed. Product selection will vary depending on applicable codes and the amount of water to be collected and diverted. The 10-inch EZflow drainage bundles with integrated 4-inch pipe are suitable for most curtain drain applications. For longer systems over 200 feet in length the 15-inch bundles with 6-inch pipe are recommended. SURFACE WATER SURFACE RUNOFF WATER DRAIN RUNOFF DRAIN GROUNDWATER DRAIN GROUNDWATER DRAIN STABLISH VEGETATIVE ESTABLISH VEGETATIVE COVER (TYPICAL) COVER (TYPICAL) SHALLOW BERMSHALLOW BERM SURFACE RUNOFF SURFACE RUNOFF VEGETATIVE COVER VEGETATIVE COVER MINIMUM 6 INCHES MINIMUM 6 INCHES PERMEABLE BACKFILL PERMEABLE BACKFILL CROWN TRENCH TO CROWN TRENC PREVENT SADDLING PREVENT SADD DISTANCE TO DISTANCE TO AREA OF CONCERN AREA OF CONCERN WILL VARY WILL VARY EZflow BUNDLE WITH PIPE NATIVE SOIL EZflow BUNDLE WITH PIPE NATIVE SOIL AGGREGATE-ONLY AGGREGATE-ONLY BUNDLES, STACKBUNDLES, STACK AS NEEDED AS NEEDED GROUNDWATER MOVEMENT GROUNDWATER MOVEMENT EZflow BUNDLE EZflow BUNDLE WITH PIPE WITH PIPE (DEPTH VARIES) (DEPTH VARIES) IMPERMEABLE IMPERMEABLE LINER AS NEEDEDLINER AS NEED DISTANCE TO DISTANCE TO AREA OF CONCERN AREA OF CONCERN WILL VARY WILL VARY NATIVE SOIL NATIVE SOIL INSTALLATION INSTRUCTIONS The steps below offer typical installation practices for curtain drains and will vary based on site conditions. 1. Identify and mark off the curtain drain outline before excavation, noting the location of the area of concern, such as the septic system drainfield. 2. Start excavating the trench at the discharge point or where connections to downstream piping will be made. The trench width should be approximately equal to the diameter of the bundle being used. It may be desirable to create a small soil berm on the downhill side of the trench in areas of high surface flow to encourage runoff infiltration into the drain. Ensure proper slopes by using a transit or builder s level and grade the trench bottom evenly to promote the flow of collected water. 3. Place the EZflow drainage pipe-containing bundles end to end along the edge of the trench. Fully insert the proper couplings at all system connections. An impervious liner may also be installed the full depth of the trench sidewall as needed. Lay the connected bundles with pipe in the trench, stacking aggregate-only bundles above the pipe-containing bundles as needed. 4. Place a minimum of 6 inches of permeable backfill over the bundles without compaction. Additional backfill can be placed and compacted normally above the loose fill to prevent trench saddling. Cover the trench with sod or topsoil and seed to finish the installation. 9 Contact Infiltrator Systems at for additional information. Page 9

10 Landscape Drains LANDSCAPE PLANTER Landscape drains are used to prevent excess soil saturation in planting beds and structural planters that would otherwise compromise the health of landscape and ornamental plantings. For landscape plant beds, EZflow drainage bundles can be placed along the bed edge at the interface with other landscape elements such as the lawn or a walkway, or may follow an irregular alignment to target problem areas and/or respond to plant placement within PLANTER WALL the bed. For raised masonry or wood planters, (MASONRY, EZflow drainage bundles 18" are - typically 24" (TYPICAL) placed on the inside edge of the planter a minimum of 18 inches below finished grade, and up to WOOD, 24 inches ETC.) below grade for trees and other deep-rooted upland landscape plants. Bundles should extend to within the bed in larger planters as needed. EZflow drainage bundles must drain to a weep hole or other outlet through the planter wall to be effective. Tree plantings in poorly drained soils should utilize EZflow drainage bundles to form a ring offset a minimum of twice the width of the root ball from the trunk. Trenches should be dug 18 to 7-INCH 24 inches EZflowdeep DRAINAGE for plant beds and below the depth of the LANDSCAPE PLANTER rootball in tree planting applications. The bundles must drain away from the planted BUNDLE area WITH to 3-INCH a downgradient PIPE discharge point. The 7-inch EZflow bundles with integrated 3-inch pipe are appropriate for small raised planter, plant bed and tree planting drainage systems. The 10-inch bundles with a 4-inch pipe can be used in larger planting areas and in areas receiving runoff from other sources. PLANTER WALL (MASONRY, WOOD, ETC.) PLANTING SOIL MIX 18" - 24" (TYPICAL) PLANTING SOIL MIX - DRAIN TO DISCHARGE POINT LANDSCAPE PLANTER 7-INCH EZflow DRAINAGE BUNDLE WITH 3-INCH PIPE - DRAIN TO DISCHARGE POINT TREE PLANTING IN POORLY DRAINED SOILS TREE TRUNK PLANTER WALL (MASONRY, WOOD, ETC.) PLANTING SOIL MIX 18" - 24" (TYPICAL) TREE PLANTING IN POORLY DRAINED SOILS BACKFILL WITH NATIVE SOIL AMENDED FOR DRAINAGE, AERATION AND GROWTH 7-INCH EZflow DRAINAGE BUNDLE WITH 3-INCH PIPE, INVERT BELOW ROOT BALL TREE TRUNK MINIMUM 2 X ROOT BALL WIDTH AND DRAIN TO DISCHARGE POINT 7-INCH EZflow DRAINAGE BUNDLE WITH IMPERVIOUS 3-INCH SOIL: PIPE CLAY, HARDPAN, ETC. - DRAIN TO DISCHARGE POINT ROOT BALL BACKFILL WITH NATIVE SOIL AMENDED FOR DRAINAGE, AERATION AND GROWTH 7-INCH EZflow DRAINAGE BUNDLE WITH 3-INCH PIPE, INVERT BELOW ROOT BALL AND DRAIN TO DISCHARGE POINT IMPERVIOUS SOIL: CLAY, HARDPAN, ETC. MINIMUM 2 X ROOT BALL WIDTH ROOT BALL INSTALLATION INSTRUCTIONS The steps below offer typical installation practices for landscape drains and will vary based on site conditions. PLANT BEDS TREE PLANTING IN Follow the general French drain installation POORLY instructions DRAINED on Page SOILS 7 for EZflow drainage installation in plant beds. RAISED PLANTER 2 X ROOT 1. Connect the EZflow drainage bundle to a planter weephole or other outlet BALL WIDTH through the planter wall. Arrange the EZflow bundle length along the inside perimeter of the planter wall a minimum of 18 inches below finish grade for most plantings, deeper for trees and other deep-rooted species. Additional bundles may be connected in large planters. BACKFILL WITH NATIVE SOIL 2. Backfill using an appropriate planting AMENDED soil over FOR the DRAINAGE, bundles, add plants and mulch ROOT per the planting plan. No sand cover is required as AERATION AND GROWTH BALL planting soil mix is designed to drain well while preserving adequate soil moisture. 7-INCH EZflow DRAINAGE TREE TRUNK MINIMUM TREE PLANTING IN POORLY DRAINED SOILS BUNDLE WITH 3-INCH PIPE, INVERT BELOW ROOT BALL 1. Mark off the desired tree planting location AND DRAIN and TO excavate DISCHARGE a planting POINT hole twice the width of the rootball and to a depth equal to the height of the rootball. IMPERVIOUS SOIL: 2. Dig a 4-inch-deep, 7-inch-wide trench along the CLAY, interior HARDPAN, circumference ETC. of the hole and place a 7-inch EZflow drainage bundle with pipe in the trench. The bundle must slope towards and be connected to additional piping that runs away from the planting hole to the discharge point. 3. Place the tree rootball in the center of the planting hole and backfill per the planting plan. 10 Page 10 Contact Infiltrator Systems at for additional information.

11 f EZ l w 0 Golf Course Drains EZflow drainage systems are ideal for draining wet areas around the course and for installation of drainage systems on fairway and greenside bunkers. Golf course drainage will generally follow the same placement recommendations as for French drain systems with special considerations for sand trap bunkers. Sand trap drainage trenches should be dug so that the top of the EZflow drainage bundle rests 1 to 2 inches below the bunker bottom to allow for maximum sand cover. Cleanout ports are recommended for bunker drainage systems at an accessible end of the main drain line. The 10-inch bundles with integrated 4-inch pipe are suitable for most sand trap bunker applications. For main drain lines in large bunkers consider an additional outlet or using the 15-inch bundles with integrated 6-inch drain pipe. Follow the French drains product guidelines for general wet area drainage. PUTTING GREEN SAND TRAP BUNKER PUTTING SURFACE ROOT ZONE MEDIA COARSE SAND PEA GRAVEL BUNKER BOTTOM 4" TO 6" SAND EZflow BUNDLE WITH PIPE 12" EZflow BUNDLE WITH PIPE 12" 1" - 2" MAX. INSTALLATION INSTRUCTIONS The steps below offer typical installation practices for golf course drains and will vary based on site conditions. WET AREAS Follow the general french drain installation instructions on Page 7 for EZflow drainage installation in wet areas around the golf course. SAND TRAP BUNKER 1. Identify the slowest drainage areas of the sand trap and determine the pattern for the drain line: irregular, herring bone or gridiron (see french drains drainage drainage patterns patterns). on page 6) 2. Remove the sand from the areas of the bunker along the proposed trenches. Start digging the trench at the discharge point or where connections to downstream piping will be made to receive the 10-inch EZflow drainage bundles with pipe. Trench width should be a minimum of 12 inches to allow for an inch of sand on either side, with a maximum depth of 11 to 12 inches. 3. Place the EZflow bundles with pipe end to end along the edge of the trench. Use an end cap at the system high point and fully insert the proper couplings at all bundle-to-bundle connections. Lay the connected bundles with pipe in the trench and cover with the removed sand. Sand can be walked into the trench to ensure proper fill. PUTTING GREENS Please contact NDS Infiltrator Systems at x1404 for design for design consultation consultation when considering when considering using EZflow using EZflow drainage drainage systems systems in putting in putting green applications. 11 Contact Infiltrator Systems at for additional information. Page 11

12 Foundation and Footing Perimeter Drains Foundation and footing perimeter drainage systems prevent moisture from entering a building basement or crawlspace through interception and removal. Aggregate-only EZflow drainage bundles stacked along the foundation wall face within 18 inches of exterior finished grade will intercept groundwater effectively and drain to a bundle with pipe below. Ideal placement for the EZflow drainage bundle with pipe in a foundation drain is at the footing toe along the entire building foundation perimeter, or at a minimum, below the finished grade elevation of the interior basement or crawlspace. The drain should have a continuous slope and outlet that runs to the drainage point. The system outlet should slope greater than the footing perimeter drain and have a diameter equal to or preferably greater than that of the drain pipe. Note: It is important that roof runoff not drain directly into foundation and footing drains, although it is acceptable to connect these systems in a manner that prevents roof runoff from entering the foundation and footing drain system and allows them to discharge together. The EZflow 10-inch drainage bundles with integrated 4-inch pipe are suitable for most foundation conditions. If there is over 200 feet of footing or high groundwater conditions, consider an additional outlet or using the 15-inch bundles with integrated 6-inch drain pipe. FINISHED GRADE FINISHED GRADE EXTERIOR EXTERIOR AGGREGATE-ONLY BUNDLES TO WITHIN AGGREGATE-ONLY BUNDLES 18 IN. OF FINISHED TO WITHIN GRADE (TYPICAL) 18 IN. OF FINISHED GRADE (TYPICAL) LOCATE EZflow BUNDLE WITH PIPE AT LOCATE EZflow FOOTING BUNDLE TOE WITH OR, PIPE AT A MINIMUM, AT BELOW ELEVATION OF INTERIOR FINISHED GRADE FOOTING TOE OR, AT A MINIMUM, BELOW OF BASEMENT/ CRAWLSPACE AND SLOPE ELEVATION OF INTERIOR FINISHED GRADE TO DISCHARGE PONT OF BASEMENT/ CRAWLSPACE AND SLOPE TO DISCHARGE PONT FOUNDATION FOUNDATION WALL WALL INTERIOR INTERIOR(SEE BASEMENT/ (SEE BASEMENT/ CRAWL SPACE CRAWL SPACE DRAIN DETAIL) DRAIN DETAIL) FINISHED GRADE FINISHED INTERIOR GRADE INTERIOR FOOTING FOOTING ALTERNATE ALTERNATE CONFIGURATION CONFIGURATION INSTALLATION INSTRUCTIONS The steps below offer typical installation practices for perimeter drains and will vary based on site conditions. 1. Starting at the discharge point or where connections to downstream piping will be made, place the EZflow drainage bundles with pipe next to the foundation footing, or at a minimum below the basement or crawlspace finished floor elevation, but at a maximum of 12 feet. The bundles must run along the entire footing perimeter and be placed upon a prepared subgrade base sloped evenly to drain. Use an end cap at any high point and fully insert proper couplings at all system connections. 2. Place aggregate-only bundles above and touching the pipe-containing bundle, ensuring hydraulic connectivity over the footing. Place additional aggregate-only bundles up the foundation wall to the desired height, generally within 18 inches of finished grade. Bundles can be held in place with stakes as needed prior to backfilling. Avoid tearing the mesh fabric when staking. 3. Backfill the foundation excavation according to the site plans. Make sure that no large stones or debris are in contact with the EZflow drainage system. 12 Page 12 Contact Infiltrator Systems at for additional information.

13 f EZ l w 0 Retaining Walls Retaining walls work to hold back earth in the landscape. Hydrostatic pressure from groundwater can cause even low retaining walls to fail, so drainage is critical to wall longevity. Also, groundwater weeping through dry-stacked masonry or timber pile retaining walls can cause unsightly staining and streaking. Similar to their function in foundation and footing drains, EZflow drainage systems intercept and convey groundwater from behind a retaining wall, relieving hydrostatic pressure and preventing weeps. Depending on retaining wall design and groundwater conditions, EZflow drainage bundles can be placed at the base of the wall footing or stacked on the backside of the wall. EZflow drainage bundle selection for most gravity and piling retaining wall applications should correspond to the diameter of pipe and arrangement of drainage aggregate specified on approved plans. INSTALLATION INSTRUCTIONS The steps below offer typical installation practices for retaining wall drains and will vary based on site conditions. Note: It is not recommended that an installation contractor substitute EZflow drainage systems for stone where the stone is being utilized for wall support such as in backfill of cantilever, anchor and mechanically-stabilized-earth retaining wall systems. It is not recommended that EZflow drainage bundles be used in walls having greater than 5-feet of exposed wall face. A qualified design engineer can utilize EZflow drainage bundles in these walls with proper design protocol that considers the lightweight nature of these products. 1. Starting at the discharge point or where connections to downstream piping will be made, place the EZflow bundles with pipe next to the retaining wall footing in gravity walls, or at a minimum below the finished grade elevation in front of the wall. In piling walls, place the bottom bundle behind the wall at an elevation equal to the finished grade elevation in front of the wall. Use an end cap at any system high point and fully insert the proper couplings at all system connections. 2. Place aggregate-only bundles above and touching the bottom pipe-containing bundle, ensuring hydraulic connectivity over the footing and up the foundation wall to the desired height, generally within 18 inches of finished grade. Bundles can be held in place with stakes as needed prior to backfilling. Avoid tearing the mesh fabric with stakes. 3. Backfill the retaining wall excavation according to the site plans. Make sure that no large stones or debris are in contact with EZflow drainage system. 13 Contact Infiltrator Systems at for additional information. Page 13

14 Roof Runoff Drains Roof runoff drains divert rainwater collected in a gutter system away from the building foundation. Systems can be designed to allow for maximum groundwater recharge and to discharge peak flows into the landscape. Roof runoff systems should not drain toward building foundations or retaining walls so as not to increase hydrostatic pressure on these elements or overload their relative drainage systems. Gutter drain systems should utilize EZflow drainage bundles starting a minimum 4 ft. from and aligned away from the building foundation. Catch NDS catch basins basins combined combined with with solid solid (unperforated) pipe systems and bends can receive direct gutter flow flow and and convey it to it the to the EZflow drainage bundles. Gutter drain systems should then then discharge to a to pop-up a pop-up emitter, emitter, surface surface swale, swale, core-drilled core-drilled curb curb or other or other discharge discharge point. Stacking aggregate-only bundles to to the seasonal high groundwater level level in in the the soil soil below the the main main receiving bundles will will maximize groundwater recharge and limit peak outflows. In general, EZflow drainage bundles should be selected with a pipe diameter equal to or greater than the size of the downspout. If two or more downspouts are connected to drain into one EZflow drainage bundle, the 15-inch bundle with 6-inch pipe should be utilized. ROOF GUTTER DOWNSPOUT EZflow DRAINAGE BUNDLES WITH PIPE SLOPE AT 1% MIN. AND PROVIDE COVER PER CHART EXAMPLE CONFIGURATIONS 4 FT. MIN. CATCH BASIN (RECOMMENDED) ARRANGE AGGREGATE-ONLY BUNDLES BELOW MAIN BUNDLE TO THE SEASONAL HIGH GROUNDWATER LEVEL FOR MAXIMUM GROUNDWATER RECHARGE - BUNDLE CONFIGURATIONS MAY VARY SEASONAL HIGH GROUNDWATER LEVEL DRAIN TO SURFACE SWALE, POP- UP EMITTER, CORE-DRILLED CURB OR OTHER APPROVED OUTFALL MINIMUM SOIL COVER IN VERTICAL STACK ROOF RUNOFF APPLICATIONS No. of 10 Bundles Minimum Soil Cover 1 or INSTALLATION INSTRUCTIONS The steps below offer typical installation practices for roof runoff drains and will vary based on site conditions. Refer to page 5 for minimum cover and maximum bundle chart to prevent flotation for a filled drainage area. 1. Identify downspout locations for connection to the proposed roof runoff system. Mark off areas for connection piping and for the EZflow drainage bundles, considering system discharge limitations. 2. Excavate locations for catch basins, pipe runs and bundles. The trench for the EZflow drainage bundles should match the bundle width and can be excavated to the seasonal high groundwater level for maximum groundwater recharge. 3. Install aggregate-only EZflow drainage bundles along the bottom of the deep trench as needed for maximum groundwater recharge, and the pipe-containing bundle with pipe at the appropriate depth to ensure a minimum 4 inches of soil cover above the system. 4. Install an NDS or equivalent catch basin to directly receive downspout discharge and run a minimum 4-foot length of solid (unperforated) pipe away from the building foundation before connecting to the EZflow drainage pipe. More than one downspout can be connected prior to entering the system with properly-sloped solid piping and connections. Catch basins are recommended for ease of maintenance. Clean-outs must be installed if direct downspout to drainage system connections are made. 5. Following the EZflow drainage bundle assembly, install a solid pipe run to a pop-up emitter, surface swale, core-drilled curb or other drainage point. Fully insert the proper couplings at all system connections. 6. Cover the trench and other exposed excavation areas with sod or topsoil and seed to finish the installation. 14 Page 14 Contact Infiltrator Systems at for additional information.

15 f EZ l w 0 Basement/Crawlspace Dewatering In many cases older homes were constructed without foundation and footing perimeter drains. A basement area or crawlspace can become inundated when groundwater levels rise with seasonal cycles or following heavy rains. Retrofitting a footing drain on an existing home can be impractical considering paved areas, steps, decks and patios, site access, utility connections and mature landscaping. A better solution may be to install an interior basement or crawlspace drain system that conveys collected water to a discharge point or sump for removal from basement or crawlspace by pump. For EZflow drainage basement and crawlspace dewatering systems it is recommended that a 10- to 12-inch-wide trench be excavated along the interior foundation wall a minimum of 9 inches deep below the floor surface elevation for a soil floor or 9 inches below the bottom of floor slab elevation for a concrete floor. The trench must slope towards and discharge into an excavated sump. Installation should be avoided during flooded conditions or when no other outlet exists. 7-inch EZflow drainage bundles with 3-inch pipe are installed along the bottom of the trench with appropriate fittings at trench bends. A minimum 2-inch layer of permeable backfill is placed above the bundle to support poured concrete in slab repair situations or brought to finished grade where the concrete slab exists. OPTIONAL REPAIRED SLAB TO MATCH EXISTING OR COARSE SAND/PEA STONE TO INTERIOR FINISHED GRADE COARSE SAND OR PEA STONE (2 INCHES, MIN.) FOUNDATION WALL EXISTING INTERIOR CONCRETE SLAB (IF PRESENT) FOOTING MOISTURE BARRIER EZflow 7-INCH BUNDLE WITH 3-INCH PIPE, DRAIN TO EXCAVATED SUMP AND PUMP TO APPROVED EXTERIOR OUTFALL UNDISTURBED SUBGRADE INSTALLATION INSTRUCTIONS The steps below offer typical installation practices for basement/crawlspace dewatering drains and will vary based on site conditions. 1. Excavate a trench along the inside perimeter of the foundation wall being careful to not damage or interfere with existing utilities. The trench should be a minimum of 9 inches deep and should be sloped evenly towards an excavated sump or discharge point. 2. Connect the 7-inch EZflow bundle with 3-inch pipe to the excavated sump outfall and connect additional bundles to run the entire length of the trench. Use an end cap at any system high point and fully insert the proper couplings at all system connections. 3. Place a minimum 2-inch layer of clean, coarse sand or washed pea gravel above the bundle to support poured concrete in slab repair situations, or place the sand/gravel to finished grade where no concrete slab exists. 15 Contact Infiltrator Systems at for additional information. Page 15

16 NDS EZFLOW WARRANTY STANDARD LIMITED WARRANTY (a) The structural integrity of each EZFlow expanded polystyrene drainage system manufactured by EZFlow LP and distributed by National Diversified Sales, Inc. ( NDS ), when installed and operated in a drainage system in accordance with its instructions, is warranted to the original purchaser ( Holder ) against defective materials and workmanship for one year from the date installation of the drainage system commences. To exercise its warranty rights, Holder must notify NDS in writing at its Corporate Headquarters, Burbank Blvd., Suite 200, Woodland Hills, CA within fifteen (15) days of the alleged defect. EZFlow LP will supply replacement Units for Units determined by EZFlow LP to be covered by this Limited Warranty. The liability of EZFlow LP and NDS specifically excludes the cost of removal and/or installation of the Units. (b) THE LIMITED WARRANTY AND REMEDIES IN SUBPARAGRAPH (a) ARE EXCLUSIVE. THERE ARE NO OTHER WARRANTIES WITH RESPECT TO THE UNITS, INCLUDING NO IMPLIED WARRANTIES OF MER- CHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE (c) The Limited Warranty does not extend to incidental, consequential, special or indirect damages. EZFlow LP and NDS shall not be liable for penalties or liquidated damages, including loss of production and profits, labor and materials, overhead costs, or other losses or expenses incurred by the Holder or any third party. Specifically excluded from Limited Warranty coverage are damage to the Units due to ordinary wear and tear, alteration, accident, misuse, abuse or neglect of the Units; the Units being subjected to vehicle traffic or other conditions which are not permitted by the installation instructions; failure to maintain the minimum ground covers set forth in the installation instructions; failure of the Units due to improper sitting or improper sizing; or any other event not caused by EZFlow LP or NDS, This Limited Warranty shall be void if the Holder fails to comply with all of the terms set forth in this Limited Warranty. Further, in no event shall EZFlow LP or NDS be responsible for any loss or damage to the Holder, the Units, or any third party resulting from installation or shipment, or from any product liability claims of Holder or any third party. (d) No representative of EZFlow LP or NDS has the authority to change or extend this Limited Warranty. No warranty applies to any party other than the original Holder