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HomeMy WebLinkAboutRecorded O&M CY of Carmel Sec 3 Water Quality BMPs Water Quality Best Management Practices (BMPs) are vegetative, structural, and other measures that reduce or eliminate pollutants that might otherwise be carried by surface runoff. Potential pollutant sources include litter form patrons and automobile fluids on the pavement including heavy metals, oil, grease, and alcohols. The stormwater for the site drains via shallow and concentrated flow to a proposed storm network that outlets into a wet detention pond. Wet detention ponds are designed with outlet control structures that slow the release of the stormwater. This allows pollutants and sediment to settle out prior to stormwater leaving the detention area. See Attachment A for a BMP Location Map for this project. BMP Owner Contact Information and Billing Contact Name: Courtyards of Carmel Home Owner’s Association Contact: Brooks Longfellow Address: 500 Stonehenge Parkway, Dublin, OH 43015 Business Phone Number: 317-507-0328 Party Responsible The BMP owner agrees to pay all the fees required by the City of Carmel, including annual inspection fees, and/or any additional fees required. Routine inspections are the responsibility of the BMP owner. Maintenance is also the responsibility of the owner. The City of Carmel must be notified of any changes in BMP ownership, major repairs, or BMP failures in writing within 30 days. The letter should be addressed to: Storm Water Program Carmel Engineering Dept. One Civic Square Carmel, IN 46032 In the event that the City of Carmel finds a BMP in need of maintenance or repair, the City of Carmel will notify the BMP owner of the necessary maintenance or repairs and give the BMP Owner a timeframe for completing the maintenance or repairs. If the maintenance or repairs are not completed within the designated timeframe, the City shall perform the repairs or maintenance and bill the BMP Owner the actual cost of the work. Submittal of annual inspection reports to the City of Carmel Engineering are due one year after construction is completed, with subsequent reports due each year within the same month of the initial report, any deficiencies found during the inspections should be addressed, and the BMP owner faces enforcement action from the City if the inspection report is not received within the month it is due, if there are deficiencies which were not included in the report, or if any deficiencies included in the report are not addressed in a timely manner. Material Handling Disposal of waste from maintenance of drainage facilities shall be conducted in accordance with federal, state, and local regulations. Removed sediment must be handled and disposed of in the garbage as solid waste. Water should be disposed of in a sanitary sewer after oils are removed using oil absorbent materials or other mechanical means. Used oil absorbents should be recycled or disposed according to the manufacturer’s instructions. Safety Work inside underground structures requires special OSHA-required confined space equipment and procedures. The most practical option to perform maintenance or repairs is to contract with a sewer- cleaning contractor Storm Structure Maintenance and Inspection Storm structures on site are identified within the construction plans set. Storm structures are set at storm sewer pipe connections. Unless you have OSHA approved training and equipment, never enter a manhole. Inspection and maintenance of all storm structures is required per the table below. Storm Structure Maintenance and Inspection Inspection All inlet castings should be inspected every 6 months and after each major rainfall event. More frequent inspections should be performed in areas where there is higher potential for trash or litter and during the fall when leaves are present on the ground. Check the frame and lid for cracks and wear, such as rocking lids or lids moved by traffic. Storm structures and the surrounding areas should be inspected annually for pollutants such as leaks from dumpsters, minor spills, and oil dumping. Take action to have the pollutant source removed. Cleaning Clean structures when there is a blockage of a water flow path or when sediment depth reaches 10% of the pipe diameter. Cleaning should be performed in a way that ensures removed sediment and water is not discharged back into the storm sewer. Materials Handling Disposal of waste from maintenance of drainage facilities shall be conducted in accordance with federal, state, and local regulations. Removed sediment must be disposed in the garbage as solid waste. Water should be disposed of in a sanitary sewer after oils are removed using oil absorbent materials or other mechanical means. Used oil absorbents should be recycled or disposed according to the manufacturer's instructions. Repairs Repair all security and access features so they are fully functional. This includes locking lids, covers, and ladder rungs. Replace broken parts or lids that rock or are moved by traffic. Storm Sewer Maintenance and Inspection Storm sewer pipes convey stormwater. Pipes are built from many materials and are sometimes perforated to allow stormwater to infiltrate into the ground. Storm pipes are cleaned to remove sediment or blockages when problems are identified. Storm pipes must be clear of obstructions and breaks to prevent localized flooding. Storm sewer maintenance and inspection required per the table below. Storm Sewer Maintenance and Inspection Inspection Pipes are difficult to inspect requiring special equipment and training. Usually, if a problem occurs the owner needs to call a sewer or plumbing contractor to inspect, repair or clean pipelines. Cleaning Clean pipes when sediment depth is greater than 10% of the pipe diameter. When cleaning a pipe, minimize sediment and debris discharges from pipes to the storm sewer. Install downstream debris traps (where applicable) before cleaning and then remove material. Generally, use mechanical methods to remove root obstructions from inside storm sewer pipes. Do not put root-dissolving chemicals in storm sewer pipes. If there is a problem, remove the vegetation over the line. Materials Handling Sediment and debris from pipes should be disposed in the garbage as solid waste. Pick out any rocks first. Repairs Repair or replace pipes when a dent or break closes more than 20 percent of the pipe diameter. Repair or replace pipes damaged by deterioration. Turf Vegetative Coverage All non-paved areas that are not landscaped shall be vegetated to prevent erosion and sediment buildup in storm sewer facilities onsite or downstream of the project site. Seed shall be reapplied as required to establish healthy, dense coverage. Owner Acknowledgement Agreement (“Agreement”) For good and valuable consideration, the receipt and sufficiency of which are hereby acknowledged, the undersigned owner (“Owner”) hereby submits this Operation and Maintenance Manual (“Manual”) to the City of Carme, Indiana (“City”) as a written acknowledgement of Owner’s warranty and agreement to institute, maintain, and follow the water quality Best Management Practices (“BMPs”) listed below, and to follow and abide by the inspection schedule and maintenance activities listed in this Manual. The Owner also hereby agrees to provide, at Owner’s cost, all additional maintenance, repair, and/or replacement services reasonably necessary to maintain the function and longevity of the BMPs from and including the date this Agreement is executed by Owner to and including the date on which a new Agreement is filed with the City by another party who assumes all the obligations and responsibilities of Owner as set forth herein. BMPs: __Wet Detention Ponds #1 and #2 __________________________________ __Dry Basin ____________________________________________________ ___Sump Inlets with Snouts (Str. #’s 506, 509, 520, 546, 605, and 613) _ ___Water Quality Units (Str. #’s 619 [CS-10] and 620 [CS-3]) _ Owner Acknowledgement Signature Date Printed STATE OF INDIANA ) ) SS: COUNTY OF ____________ ) BEFORE ME THE UNDERSIGNED NOTARY PUBLIC, IN AND FOR THE SAID COUNTY AND STATE, PERSONALLY APPEARED _____________________ AND ACKNOWLEDGED THE EXECUTION OF THE FORGOING INSTRUMENT AS THEIR VOLUNTARY ACT AND DEED. WITNESS MY HAND AND NOTARY SEAL THIS _____ DAY OF ____________________, 2021. SIGNATURE: _____________________ PRINTED NAME: ___________________ MY COMMISSION EXPIRES: ______________ COUNTY OF RESIDENCE: _______________ Attachment A: BMP Location Map LAKE #2LAKE #1DRY BASINLAKE #2LAKE #1DRY BASIN©THE COURTYARDSOF CARMELSECTION 3BMP LOCATIONMAPB1NORTH Attachment B: Inspection and Maintenance Checklist PondSeries™ Aeration Systems PS10, PS20, PS30, PS40 & PS80 You have purchased the most efficient and cost-effective aeration system available on the market today! THANK YOU FOR CHOOSING The Airmax® Aeration SystemPondSeries™ Aeration Systems PS10, PS20, PS30, PS40 & PS80 MAX DEPTH 21’ OWNER’S MANUAL FOR: Watch & Learn | How-To Install Video airmaxeco.com/AirmaxAerationInstallation SECTION ENGLISH PAGE 1 System Components 3 2 System Installation 4-7 3 Initial Start-Up & Seasonal Operation 7 4 Maintenance 8 5 Troubleshooting 8 6 Replacement Parts / Accessories 9 7 Warranty 19 See Other Languages Online Important Safety Instructions Check with a qualified electrician or serviceman when the grounding instructions are not completely understood, or when in doubt as to whether the product is properly grounded. Do not modify the plug provided; if it does not fit the outlet, have the proper outlet installed by a qualified technician. For 120 VAC products: This product is for use on a nominal 120V circuit, and has a grounding plug similar to the plug illustrated in sketch A in Figure below. A temporary adapter similar to the adapter illustrated in sketches B and C may be used to connect this plug to a 2-pole receptacle as shown in sketch B when a properly grounded outlet is not available. The temporary adapter shall be used only until a properly grounded outlet (sketch A) is installed by a qualified electrician. The green colored rigid ear, lug, or similar part extending from the adapter must be connected to a permanent ground such as a properly grounded outlet box cover. Whenever the adapter is used, it must be held in place by a metal screw. For 230 VAC products: This product is for use on a circuit having a nominal rating more than 120 V and is factory-equipped with a specific electric cord and plug for connection to a proper electric circuit. Only connect the product to an outlet having the same configuration as the plug. Do not use an adapter with this product. When the product must be reconnected for use on a different type of electric circuit, the reconnection shall be made by qualified service personnel. • Read all operating instructions carefully. • To reduce the risk of electric shock, connect only to a properly grounded, grounding-type receptacle. If in doubt, have the outlet checked by a qualified electrician. • This unit is to be used in a circuit protected by a ground fault circuit interrupter (GFCI). • Disconnect unit from power source before handling or maintenance. • Repair or exchange of cable/power cord must be carried through by the supplier/manufacturer. • This unit has not been investigated for use in swimming pool areas. CAUTION • Never connect to an extension cord. This may result in equipment failure. • Do not allow anything to rest on the power cord. • Do not place the cabinet where people may step on the power cord. • Never override or “cheat” electrical or mechanical interlock devices. • Never attempt any maintenance function that is not specified in the user manual. • Never operate the system if unusual noises or odors are detected. Disconnect the power cord from the outlet and call for service. GROUNDING INSTRUCTIONS – This product must be grounded. In the event of an electrical short circuit, grounding reduces the risk of electric shock by providing an escape wire for the electric current. This product is equipped with a cord having a grounding wire with an appropriate grounding plug. The plug must be plugged into an outlet that is properly installed and grounded in accordance with all local codes and ordinances. WARNING – Improper installation of the grounding plug is able to result in a risk of electric shock. When repair or replacement of the cord or plug is required, do not connect the grounding wire to either flat blade terminal. The wire with insulation having an outer surface that is green with or without yellow stripes is the grounding wire. Consignes de Sécurité Importantes FRANÇAIS Consultez un électricien ou un réparateur qualifié lorsque les instructions de mise à la terre ne sont pas complètement comprises ou en cas de doute quant à savoir si le produit est correctement mis à la terre. Ne pas modifier la fiche fournie; si elle ne correspond pas à la prise, faites installer une prise adéquate par un technicien qualifié. Pour 120 produits VAC: Ce produit est destiné à être utilisé sur un circuit nominal de 120V, et a une fiche de mise à la terre semblable à la fiche illustrée par le croquis A dans la figure ci-dessous. Un adaptateur temporaire semblable à l’adaptateur illustré dans les esquisses B et C peut être utilisé pour brancher cette fiche à une prise à 2 pôles comme indiqué dans le croquis B si une prise de terre ne est pas disponible. L’adaptateur temporaire doit être utilisé que jusqu’au une prise de terre (schéma A) est installé par un électricien qualifié. Le vert coloré oreille rigide, cosse, ou une partie similaire se étendant de l’adaptateur doit être connecté à une terre permanente comme un couvercle de la boîte de prise de terre. Chaque fois que l’adaptateur est utilisé, il doit être maintenu en place par une vis en métal. Pour 230 produits VAC: Ce produit est pour une utilisation sur un circuit ayant une puissance nominale supérieure à 120 V et est équipé en usine avec un cordon électrique spécifique et branchez pour la connexion à un circuit électrique approprié. Seulement connecter le produit à une prise ayant la même configuration que la fiche. Ne pas utiliser un adaptateur avec ce produit. Lorsque le produit doit être reconnecté pour une utilisation sur un type de circuit électrique différente, la reconnexion doit être faite par du personnel qualifié. • Lisez toutes les instructions attentivement. • Pour réduire le risque de choc électrique, connectez uniquement à une mise à la terre, de terre réceptacle. En cas de doute, faites vérifier la prise par un électricien qualifié. • Cet appareil doit être utilisé dans un circuit protégé par un disjoncteur de fuite de terre (GFCI). • Débrancher l’appareil de la source d’alimentation avant de la manipulation ou de maintenance. • Réparation ou l’échange de câble / cordon d’alimentation doivent être menées à bien par le fournisseur / fabricant. • Cet appareil n’a pas été étudiée pour une utilisation dans des zones de baignade de la piscine. ATTENTION • Ne jamais se connecter à une rallonge. Cela peut entraîner une défaillance de l’équipement. • Ne laissez rien reposer sur le cordon d’alimentation. • Ne pas placer l’armoire où les gens peuvent marcher sur le cordon d’alimentation. • Ne jamais déjouer ou «contourner» les dispositifs de verrouillage électriques ou mécaniques. • Ne tentez aucune opération de maintenance qui ne est pas spécifié dans le manuel utilisateur. • Ne faites jamais fonctionner le système si des bruits ou des odeurs inhabituelles sont détectées. Débranchez le cordon d’alimentation de la prise et appelez le service. INSTRUCTIONS DE MISE – Ce produit doit être mis à la terre. Dans le cas d’un court-circuit électrique, la terre réduit le risque de choc électrique en fournissant un fil de fuite pour le courant électrique. Ce produit est équipé d’un cordon muni d’un fil de terre avec une fiche de terre. La fiche doit être branchée dans une prise correctement installée et mise en conformité avec tous les codes et règlements locaux. AVERTISSEMENT – Une installation incorrecte de la prise de terre est en mesure d’entraîner un risque de choc électrique. Lorsque la réparation ou le remplacement du cordon ou de la prise, ne pas connecter le fil de terre à aucune borne à lame plate. Le fil d’un isolant ayant une surface extérieure verte avec ou sans rayures jaunes, est le fil de mise à la terre.2 1 • Self-Weighted Airline: 3/8” 100’ Roll (#510118), 5/8” 100’ Roll (#510119): Lead-free weighted airline is made of durable PVC composite. Fish hook resistant and kink-free. Use from pond’s edge to diffuser. • Direct Burial Airline: 5/8” 100’ Roll (#510120) Flexible, yet kink-free. Bury from cabinet and compressor to pond’s edge when placing the cabinet and compressor away from the pond. 1. System Components EasySet™ AIRLINE 1. Enhanced Cooling System tunnels air flow evenly through the cabinet with a high flow cooling fan 2. Composite cabinet with removable top protects components while providing easy access 3. Elevated base protects against damaging flood water 4. Pre-wired electrical box simplifies electrical connections for easy setup 5. Dual Air Filters – High density cabinet intake pre-filter and compressor air filter maximize the life of the system 6. Cabinet Lock Kit protects your investment from unwanted guests Cabinet Size: 23”L x 17”W x 15”H Cabinet Size: 27”L x 24”W x 18.75”H (PS80 Only) Airmax® Composite Cabinet * Depending on the type of installation, additional connector kits may be required. See section 6 for connector kits. SilentAir™ RP Series Rocking Piston Compressor SmartStart™ Technology: Protects compressor during pressurized restarts following power supply interruptions. 1. High efficiency, continuous-duty rocking piston compressor 2. Air Filter maximizes the life of the compressor 3. Rubber compressor mounts reduce noise and vibration for silent operation 4. Airflow manifold simplifies airflow management to individual diffusers 5. Heat-resistant 3 ⁄8” flex-tube protects against high temperatures of the compressor and braided hose sleeve protects against wear 6. Pressure gauge helps monitor system performance 7. Pressure relief valve safeguards from back pressure 8. Airline quick disconnects for easy system removal and storage Note: These systems are designed for ponds up to 21’ deep. Operating in depths greater than 21’ will require a Deep Water Kit. See section 6 for kits. ProAir™ 4 Weighted Diffuser 1. PTFE non-stick 6” membrane diffuser sticks provides the synergy of air stones while being virtually maintenance-free 2. Check valve prevents back pressure to compressor 3. Weighted design keeps diffuser submerged while maintaining an upright position during installation 2 1 3 Diffuser Size: 19”L x 19”W x 5”H 2 4 5 6 8 7 ENGLISH 3 SilentAir™ with SmartStart™ Technology 1 2 4 Cabinet Lock Kit6 5 3 3 2. System Installation ENGLISH HP Running Amps Volts Max CFM Power Cord Max Pond Size Max Depth*# Diffusers PS10 1/4 1.6 or 0.8 115V or 230V 2.3 6'1 Acre 50'1 PS20 1/2 4.1 or 2.1 115V or 230V 4.7 6'2 Acres 50'2 PS30 1/2 4.1 or 2.1 115V or 230V 4.7 6'3 Acres 50'3 PS40 3/4 5.3 or 2.7 115V or 230V 5.8 6'4 Acres 50'4 PS80 3/4 (x2)10.6 or 5.3 115V or 230V 11.6 6'8 Acres 50'8 Tools Required: • Placement Rope • Utility razor knife • Level • Boat/Raft/Swimsuit • Small stone or gravel • Shovel • Rake • Flathead screwdriver • Permanent Marker • Coast Guard-approved life jacket Tech Specs: 1. Place the cabinet on the ground in the selected location and mark an area 6” wider than the base of the cabinet on all sides. *Ponds greater than 21’ will require a Deep Water Kit 2. Move the cabinet and remove the sod from the area, filling in with small stone or gravel. This allows for a firm base for the cabinet and for drainage. Open the aeration cabinet by unscrewing the 4 lobed thumb screws. Gently lift the cabinet lid and lay on its side next to the base. 3. Place the cabinet onto the stone base and use your level to make sure the cabinet is sitting secure and level. STEP TWO: Prepare the Ground Surface and Place the Cabinet See Video Instructions of the Airmax® Aeration System installation online at airmaxeco.com/PondSeriesAeration Option A Pond’s Edge Option B Away from Pond’s Edge If a power source is available near the pond’s shore, locate the cabinet at the pond’s edge for quicker installation. • Locate cabinet on a solid surface with adequate strength for the weight of the unit. • Locate cabinet away from irrigation sprinklers. • Cabinet must always remain above the high water mark. Ý Attention: For airline that runs longer than 100’, connector kits are required (sold separately). See Page 9. If a power source is not available near the pond’s shore or you would prefer to install the cabinet in another location, install Direct Burial Airline(s) (sold separately) from the cabinet’s location to the pond’s edge. Use a single airline from cabinet to shoreline with valves at pond’s edge. STEP ONE: Select a Location for the Aeration Cabinet Learn about installing an optional Remote Manifold Kit online at airmaxeco.com/RemoteManifold Option B with Remote Manifold 4 2. System Installation - Continued ENGLISH 2. Place airline into the trench from the aeration cabinet to the pond’s edge. Option A: Use EasySet™ weighted airline. There must be a separate run of airline for each diffuser that will be installed. Leave remaining airline coiled at the pond’s edge. Option B: Use Direct Burial airline. There must be a separate run of airline for each diffuser that will be installed. Join multiple sections of direct burial airline using 5/8” connector kits. First, slide two hose clamps onto one section of airline. Next insert the 5/8” insert adaptor half way into one section of airline and then insert into next the section of airline. Using a flathead screw driver, secure one of the hose clamps onto each half of the insert adaptor (see image on the left). Option B with Remote Manifold: Use 1” Direct Burial Airline or PVC Pipe. Only 1 run of airline is required from the cabinet location to the pond’s edge. See Remote Manifold Kit Manual or watch the installation video at airmaxeco.com/RemoteManifold for more information. Attention: For ponds deeper than 21’ deep, a Deep Water Kit (Sold Separately) must be installed before continuing with installation. Option A & B: (this step is not required if a Deep Water Kit is installed) Slide a hose clamp onto the airline and insert a 3/4” MPT to 3/8 (or 5/8”) Insert Reducer to into the airline, securing with a hose clamp. Next, hand tighten to one of the quick disconnect flex tubes coming from the compressor manifold. Repeat for each diffuser line. Option B with Remote Manifold: Refer to the Remote Manifold Kit Manual or watch the installation video at airmaxeco.com/RemoteManifold for more information. Backfill the airline trench in a few areas to temporarily keep the airline in place until installation is complete. STEP THREE: Excavate Trench and Place Airline(s) STEP FOUR: Connect Airline(s) to the Compressor Manifold STEP FIVE: Partially Backfill Airline Trench 1. Using your shovel, dig a trench from the cabinet to the pond’s edge. This trench should be a minimum depth of 8” to protect the airline. We recommend having utility lines marked before you begin digging. 5 2. System Installation - Continued ENGLISH Installing Diffusers from a Boat/Raft: Have one person on shore guiding the airline as a second person uses a boat or raft, extend the airline out to the area of the pond that the diffuser will be located. Gently release the diffuser into the water. Repeat until all diffusers are in position. Installing Diffusers from Shore: For smaller ponds you may choose to install the diffusers from shore. Have one person guide the airline while another walks around the pond with the diffuser. Then thread nylon rope through the diffuser manifold. Use the nylon rope and airline to gently guide the diffuser into place. Once set, release one side of the nylon rope and pull to shore. Repeat until all diffusers are in position. STEP NINE: Install the ProAir™ Diffusers PS10 Systems: Plug the compressor and cooling fan into the power control outlet inside of the cabinet. Plug the power control outlet into a GFCI power outlet. PS20, PS30, PS40, PS80 Systems: Plug the compressor into the power control outlet inside of the cabinet. Ensure the power switch is in the “ON” position. Plug the power control outlet into a GFCI power outlet. See the ProAir™ Diffuser Manual for assembling and connecting the diffusers. STEP SEVEN: Connect ProAir™ Diffusers STEP EIGHT: Start the Aeration System Unroll the EasySet™ weighted airline and remove any kinks or twists. Join enough sections of weighted airline, using 3/8” or 5/8” connector kits, so that the airline can rest on the bottom of the pond, from the pond’s edge out to the planned location for each diffuser. For option B installations, connect the weighted airline to the direct burial airline or Remote Manifold Kit at the pond’s edge. Note: Diffusers should be placed equally apart or in areas of low water movement for optimum performance. If you need help choosing the correct location for your diffusers, please contact Airmax® or your local dealer. STEP SIX: Connect Weighted Airline for Diffusers 6 The circulation of poor quality, low oxygen, deep water to the pond’s surface can in- troduce harmful gases and by-products into the previously healthy upper regions of the water column. These by-products can make the upper regions unfit for aquatic life and could result in fish-kill. Initial Start-Up Procedure To Prevent Fish-Kill: Follow this procedure anytime system has been shut-off for an extended period of time. Day 1: Run system for 30 minutes; turn system off for remainder of day. Day 2: Run system for 1 hour; turn system off for remainder of day. Day 3: Run system for 2 hours; turn system off for remainder of day. Day 4: Run system for 4 hours; turn system off for remainder of day. Day 5: Run system for 8 hours; turn system off for remainder of day. Day 6: Run system for 16 hours; turn system off for remainder of day. Day 7: Begin running system 24 hours/day, 7 days/week. Summer Operation To reduce the risk of fish kills in hot summer months and for optimum aeration benefits, Airmax® Aeration Systems should run continuously throughout the summer. To enhance pond health, reduce mucky bottoms and enhance pond’s aesthetic appeal, try Pond Logic® products: Ma MuckAway™ Pc PondClear™ Eb EcoBoost™ Tw Bk Nb Ab Pond Dye 3. Initial Start-Up & Seasonal Operation Winter Operation Owner assumes all responsibility for operating Airmax® Aeration System during winter months. Operating in freezing conditions on an ice-covered pond will cause large open water areas at diffuser sites. Ice thickness around open areas will be much thinner than the surrounding areas. Airmax® strongly recommends that “Danger - Thin Ice” be posted at frequent intervals around pond. If you choose to turn your system off for the winter, do the following: • Unplug your aeration system. • Disconnect compressor flex-tube(s) from airline(s). • Cover airline ends with the included winterization caps to prevent debris from entering airline. • Move cabinet and compressor inside to keep dry. • If operating during the winter season, condensation could cause airlines to freeze. If so: • Use 1 cup isopropyl alcohol in the airline running out to each plate. • Turn on compressor to push through line and free any ice blockage. 2. System Installation - Continued ENGLISH Bubbles should be noticeable on the pond’s surface from the diffuser locations. When more than one diffuser is installed, adjust the airflow valves on the compressor manifold (For Option B with Remote Manifold, do this step at the remote manifold). Once an adjustment is made you may need to wait several minutes to see the results at the diffuser location(s). Note: Deeper placement of diffusers and longer runs of airline will require more flow. Using a permanent marker, mark the current pressure gauge reading. During regular maintenance if the reading is above or below this mark, it may indicate that the system requires maintenance. STEP TEN: Adjust Airflow STEP ELEVEN: Mark Pressure Gauge STEP TWELVE: Secure Cabinet & Prepare for Start-Up  Secure the aeration cabinet lid with the 4 lobed screws. You can also secure the cabinet to prevent unwanted guests with the included Cabinet Lock Kit. Simply replace 2 lobed screws with 2 hex screws and use the hex tool to secure into place. Complete backfill on airline trenches and level with a rake. Complete installation by reviewing and following the Initial Start-Up Procedure in Section 3. 7 Airmax® Aeration Systems are designed for low-maintenance and require minimal scheduled maintenance. Cabinet inlets and outlets should be kept free of debris and weed growth allowing normal ventilation. • Always unplug system before performing any maintenance or troubleshooting. • Always unplug system and refer servicing to a qualified electrician when: cord is damaged or frayed, compressor, power control, compressor fan, or other electrical components are producing unusual noises or odors. • Always use parts that are supplied or approved by Airmax®, Inc. Use of other parts may result in poor performance and could create a hazardous situation. **Local environmental conditions may require more frequent maintenance. WARNING: Compressors are equipped with a thermal overload switch. If temperature becomes high enough to trip the overload, the compressor will shut down. It will then automatically start up when temperature decreases as long as power is applied. 4. Maintenance** EVERY 3-6 MONTHS – Air Filter: Clean/replace air filter. Cooling Fan: Check to ensure cooling fan is operating. Hot air should be pulled from the cabinet, not blowing in. Pressure Gauge: Mark pressure gauge upon initial start up. Check to verify pressure has not significantly risen above or dropped below initial reading. Normal operation will range between 5-10psi. Pressure Relief Valve: Check to ensure air is not escaping from valve and replace if needed. EVERY 12-18 MONTHS – Maintenance Kit: It is recommended to install a maintenance kit every 12-18 months to ensure optimum performance. EVERY 24-36 MONTHS – Membrane Sticks: We recommend inspecting and/or cleaning the membrane diffuser sticks every 24-36 months, or anytime the pressure gauge reading is significantly higher than normal or there is a reduction in bubbles from the diffuser. To clean, use Airmax® Fountain & Aeration Cleaner (#530298) and a soft cloth. 5. Troubleshooting IF COMPRESSOR IS NOT OPERATING: ISSUE CHECK LIKELY CAUSE CORRECTION Cabinet fan is not running. Option 1: Check for power.Compressor and fan are not receiving power. Open cabinet and ensure the compressor and fan are plugged into the power outlet. For PS20-PS80 systems, also ensure the power switch is on. Option 2: GFCI circuit tripped.Damage to electrical cord or low voltage from power supply.Contact Airmax® or local dealer for electrical troubleshooting assistance. Option 3: GFCI circuit not tripped.GFCI malfunction. Cabinet fan is running. Option 1: Check compressor for power.Compressor is not receiving power.Open cabinet and ensure the compressor is plugged into the power outlet. Option 2: Check compressor capacitor wiring for frays or poor connections. Wiring loosened or was damaged during shipment or maintenance. Contact Airmax® or local dealer for repair/replacement.Option 3: No capacitor wiring issues can be seen.Bad capacitor. Option 4: Capacitor has been replaced.Compressor is bad. IF COMPRESSOR IS OPERATING: ISSUE CHECK LIKELY CAUSE CORRECTION No bubbles at any diffusers. Option 1: No air leaks are audible in cabinet. Compressor running louder and possible excessive vibration. Compressor air filter is dirty/clogged.Clean or replace air filter. NEVER re-install wet filter. Option 2: Compressor operating normally or making unusual noises. Exhibits reduced pressure and/or air flow. Compressor needs maintenance kit and possibly new air filter. Contact Airmax® or local dealer with specifications for maintenance kit. Clean or replace air filter. NEVER re-install wet filter. No bubbles at some diffuser plates. Option 1: Check for leaks at all connections in line and in cabinet. If none are audible, carefully spray SMALL amount of soapy water onto connections and look for bubbles. Vibration loosened connection or cracked fitting.Tighten loose connection or replace cracked fitting as necessary. Option 2: Are all flow control valves in compressor wide open?Improper “balancing” of diffusers. Adjust air flow valves on manifold in cabinet until all diffusers operate properly. See Section 2. System Installation for more information. Option 3: Valves in cabinet are properly “balanced” and no leaks are evident. Compressor beginning to lose compression and needs maintenance kit. Contact Airmax® or local dealer with compressor specifications for maintenance kit. Large rolling bubbles instead of fine bubbles at surface above one or more diffuser plates. Inspect each diffuser plate for malfunction.Diffuser membrane damaged, diffuser plate fitting broken or diffuser plate is flipped over.Contact Airmax® or local dealer for repair/replacement. Air coming out of pressure relief valve. Option 1: High pressure reading on gauge. Inspect diffuser plates and tubing for clogging.Diffuser maintenance needed.Remove any overgrowth around diffuser membrane surface. See Section 4. Maintenance for more information. Option 2: Low pressure reading on gauge. Diffuser plates not clogged.Bad pressure relief valve.Contact Airmax® or local dealer for repair/replacement. Compressor stops working for periods of time, then restarts.Inspect cooling fan for proper function.Compressor over-heating due to bad cooling fan. Contact Airmax® or local dealer for fan replacement. If possible, leave top of cabinet open for cooling. Otherwise, unplug system until fan is replaced. Compressor shakes erratically and is making loud noises. Option 1: Check for low voltage while compressor is running. Gauge of supply wires to circuit possibly undersized or cabinet is plugged into extension cord. If gauge of circuit wiring is incorrect, have electrician replace. NEVER use extension cord to operate system for continual use. Option 2: Check for clogged air filter.Air filter in need of replacement.Clean or replace air filter. NEVER re-install wet filter. ENGLISH Watch the Maintenance Kit How-To Video at airmaxeco.com/PondSeriesAeration 8 1. RP Series SilentAir™ High Efficiency Compressor #510503 – RP25 (87R) 1/4 HP Single Piston Compressor, 115V #510504 – RP25 (87R) 1/4 HP Single Piston Compressor, 230V #510501 – RP50 (87R) 1/2 HP Dual Piston Compressor, 115V #510505 – RP50 (87R) 1/2 HP Dual Piston Compressor, 230V #510502 – RP75 (72R) 3/4 HP Dual Piston Compressor, 115V #510506 – RP75 (72R) 3/4 HP Dual Piston Compressor, 230V #510510 – RP25 (87R) 1/4 HP Maintenance Kit #510511 – RP50 (87R) 1/2 HP Maintenance Kit #510512 – RP75 (72R) 3/4 HP Maintenance Kit Cabinet & Compressor Replacement Parts 2. #490239 – Pressure Relief Valve 3. #490272 – Pressure Gauge 4. Airflow Manifold Assembly #600186 – PS10 #600242 – PS20 #600243 – PS30 #600241 – PS40 #600246 – PS80 5. Cooling Fan #510345 – Cooling Fan for 115V Systems #510344 – Cooling Fan for 230V Systems 6. #510395 – Air Intake Pre-Filter #510417 – Air Intake Pre-Filter (PS80 Only) 7. #490194 – 3⁄8” Flex-Tube 8. Air Filter #510150 – Air Filter, Complete #510151 – Air Filter Media Only #510118 – 3⁄8” Weighted Airline, 100’ Roll #510119 – 5⁄8” Weighted Airline, 100’ Roll #510120 – 5⁄8” Direct Burial Airline, 100’ Roll EasySet™ Airline THANK YOU FOR CHOOSING ProAir™ 4 Replacement Parts 9. #490332 – Diffuser Manifold 10. #490337 – Diffuser Sled 11. #510168 – PTFE 6” Membrane Stick 12. #490340 – Check Valve *#490158 – 1” Marine Stainless Hose Clamp *#490118 – ½” to ¾” Insert Reducer Adapter *#490118 – 3⁄8” to ¾” Insert Reducer Adapter *Not shown in Diagram ENGLISH Connector Kits 3/8” Connector Kit #490204 3/8” to 5/8” Connector Kit #490205 5/8” Connector Kit #490206 9 10 11 12 13 Optional Remote Manifold Kits Optional Deep Water Kit Security Kits 13. #600192 – Airmax® PS20 2-Port Remote Manifold Kit #600190 – Airmax® PS30 3-Port Remote Manifold Kit #600194 – Airmax® PS40 4-Port Remote Manifold Kit 5 8 3 1 6 2 4 7 Optional Optional Remote Manifold Kit (Airmax® 4-Port Manifold Kit Shown) 13 6. Replacement Parts / Accessories For use on PondSeries™ Systems when water is greater than 21' deep. #510435 – PS10 #510436 – PS20 #510437 – PS30 #510438 – PS40 #510439 – PS80 #510430 – Security Stake Kit (Optional) #510424 – Cabinet Lock Kit Security Stake KitCabinet Lock Kit www.airmaxeco.comCleaning Water Naturally™ 9 NOTES Visit airmaxeco.com or call your local Airmax® Dealer with questions or to order parts. 17 Airmax®, Inc. Airmax® Aeration SystemsLimited Warranty Airmax®, Inc. warrants to the original purchaser (the end user) of any Airmax® Aeration System manufactured by Airmax®, Inc. that any aeration system component which proves to be defective in materials or workmanship, as determined by the factory within the timeframe specified below from the shipping date, will be repaired or re- placed at no charge with a new or remanufactured part, and returned freight prepaid. The end user shall assume all the responsibility and expense for removal, packaging, and freight to ship to Airmax®, Inc. to determine the warranty claim and for all reinstallation expenses. • Cabinet – Lifetime • Compressor – 2 Years • Airline & Diffusers – 5 Years The warranty is void in cases where damage results from: improper installation, improper electrical connection, improper voltage, alteration, lightning, careless handling, misuse, abuse, disassembly of motor or failure to follow maintenance or operating instructions. Modification or repair by an unauthorized repair facility will void the war- ranty. Compressor seals, piston cups, cylinder sleeves, valves, air filters and diffuser membranes are considered wear parts and are not covered under warranty. In no case will Airmax®, Inc. or its dealers accept responsibility for any costs incurred by the user during installation, removal, inspection, evaluation, repair, parts replacement, or for return freight. Nor will any liability be accepted for loss of use, loss of profits, loss of goodwill, for consequential damage, or for personal injuries to the purchaser or any person. In the event of problems believed to be covered under warranty, it will be necessary to notify the dealer who will try to help resolve the problem and who may contact the factory for additional assistance. If it is concluded that there may be a defect which may be covered under warranty, it will be necessary to get a Return Material Autho- rization (RMA) from the dealer before shipment. Freight collect shipments will not be accepted by the factory on warranties or repairs. The product or part(s) must be returned freight prepaid, to the factory, as directed, and in its original packaging or in a container which will prevent damage. Parts returned under warranty and damaged during shipping will not be covered under warranty for the shipping damage. If the factory evaluation of the returned goods concludes that the failure is due to defects in materials or workmanship, the part or parts in question will be replaced under war- ranty with new parts, remanufactured parts, or will be repaired; at the factory’s option. The warranty period for all parts supplied under warranty will terminate at the end of the original product’s warranty. All warranty shipments from the factory will be shipped freight prepaid. Warranty registration is HIGHLY recommended. No implied warranties of any kind are made by Airmax®, Inc. for its products, and no other warranties, whether expressed or implied, including implied warranties of merchantability and fitness for a particular purpose, shall ap- ply. Should an Airmax®, Inc. product prove to be defective in materials or workmanship, the retail purchaser’s sole remedy shall be repair or replacement of the product as expressly provided above. The manufacturer’s warranty will begin from the dealer’s original purchase date if the product is not registered. To register a product you are required to fill out the warranty form at airmaxeco.com/warranty. Warranty registration must be submitted directly to Airmax® within 30 days of the end-users purchase date. When making warranty claims end-users may be required to supply their proof of purchase. 19 044_13 Airmax® Inc. Safe, Simple Solutions™ P.O. Box 38 Romeo, MI 48065 (866) 4-AIRMAX airmaxeco.com Design and Maintenance Considerations for SNOUT® Stormwater Quality Systems Background: The SNOUT system from Best Management Products, Inc. (BMP, Inc.) is based on a vented hood that can reduce floatable trash and debris, free oils, and other solids from stormwater discharges. In its most basic application, a SNOUT hood is installed over the outlet pipe of a catch basin or other stormwater quality structure with a deep sump (see Installation Drawing). The SNOUT forms a baffle that traps floatable debris and free oils on the surface, while permitting heavier solids to sink to the bottom of the sump. The clarified intermediate layer is forced out of the structure through the open bottom of the SNOUT by displacement from incoming flow. The resultant discharge contains considerably less unsightly trash and other gross pollutants, and can also offer reductions of free-oils and finer solids. As with any structural stormwater quality design, maintenance considerations will have a dramatic impact on SNOUT system performance over the life of the facility. The most important factor to consider when designing structures with a SNOUT is the depth of the sump. Sump is defined as the depth from the invert of the outlet pipe to the bottom of the structure. Simply put, the deeper the sump, the more effective the unit will be both in terms of pollutant removals and reducing frequency of maintenance. More volume in a structure means more quiescence, thus allowing the pollutants a better chance to separate out. Secondly, more volume means fewer cycles between maintenance, because the structure has a greater capacity. Of equal importance to good performance is putting SNOUTs in multiple structures. The closer one captures pollution to where it enters the infrastructure (e.g. at the inlet), the less mixing of runoff there is, and the easier it will be to separate out pollutants. Putting SNOUTs and deep sumps in all inlets that can be easily maintained develops a powerful structural treatment train with a great deal of effective storage volume, where even finer particles may have chance to settle out. Design Notes: • The SNOUT size is ALWAYS greater than the nominal pipe size. The SNOUT should cover the pipe OD and optimally the grouted area around the pipe (e.g. for a 12” pipe, an 18” SNOUT is the correct choice). • As a rule of thumb, BMP, Inc. recommends minimum sump depths based on outlet pipe inside diameters of 2.5 to 3 times the outlet pipe size. • For best performance, the inlet pipe and outlet pipe should have inverts close to the same elevation (a six inch or less deviation is optimal). • Special note for smaller pipes: A minimum sump depth of 36 inches for all pipe sizes 12 inches ID or less, and 48 inches for pipe 15-18 inches ID is required if collection of finer solids is desired. • The plan dimension of the structure should be up to 6 to 7 times the flow area of the outlet pipe. Increasing area beyond that has a minimal impact on performance. However, the structure wall where the SNOUT is mounted must accommodate the size of the SNOUT (either the correct diameter or enough width). • To optimize pollutant removals establish a “treatment train” with SNOUTs placed in as many inlets where it is feasible to do so (this protocol applies to most commercial, institutional or municipal applications and any application with direct discharge to surface waters). • At a minimum, SNOUTs should be used in every third structure for less critical applications (less critical areas might include flow over grassy surfaces, very low traffic areas in private, non-commercial or non-institutional settings, single family residential sites). • Use Bio-Skirts® for increased hydrocarbon reduction. Bio-Skirts are highly recommended for fueling or vehicle service stations, convenience stores, restaurants, loading docks, marinas, beaches, schools or high traffic applications. Each Bio-Skirt can retain about one gallon of oils. • Use the Stainless TrashScreen for “Full Trash Capture” requirements. • The “R” series SNOUTs (12R, 18R, 24R, 30R, 30R/96, 42RTB/60, 52RTB/72, 52RTB/84 and 72RTB/96) are available for round manhole type structures of up to 96” ID; the “F” series SNOUTs (LP318F, 12F, 18F, 24F, 30F, 36F, 48F, 72F and 96F) are available for flat walled structures; the “NP” series SNOUTs (NP1218R, NP1524R, NP1830R, and NP2430R) are available for smaller diameter structures up to 30” ID. Example Structure Sizing Calculation: A SNOUT equipped structure with a 15 inch ID outlet pipe (1.23 sqft. flow area) will offer best performance with a minimum plan area of 7.4 sqft. and 48 inch sump. Thus, a readily available 48 inch diameter manhole-type structure, or a rectangular structure of 2 feet x 4 feet will offer sufficient size when combined with a sump depth of 48 inches or greater. Maintenance Recommendations: • Monthly monitoring for the first year of a new installation after the site has been stabilized is a recommended practice. • Measurements should be taken after each rain event of .5 inches or more, or monthly, as determined by local weather conditions. • Checking sediment depth and noting the surface pollutants in the structure will be helpful in planning maintenance. • The pollutants collected in SNOUT equipped structures will consist of floatable debris and oils on the surface of the captured water, and grit and sediment on the bottom of the structure. • It is best to schedule maintenance based on the solids collected in the sump. • Optimally, the structure should be cleaned when the sump is half full (e.g. when 2 feet of material collects in a 4 foot sump, clean it out). • Structures should also be cleaned if a spill or other incident causes a larger than normal accumulation of pollutants in a structure. • Maintenance is best done with a vacuum truck. • If Bio-Skirts are being used in the structure to enhance hydrocarbon capture, they should be checked on a monthly basis for the first year, and serviced or replaced when more than 2/3 of the boom is submerged, indicating a nearly saturated state. Assuming a typical pollutant-loading environment exists, Bio- Skirts should be serviced* annually or replaced as necessary. • In the case of an oil spill, the structure should be checked and serviced and Bio-Skirts (if present) replaced or serviced immediately. • All collected wastes must be handled and disposed of according to local environmental requirements. • To maintain the SNOUT hoods, an annual inspection of the anti-siphon vent and access hatch are recommended. A simple flushing of the vent, or a gentle rodding with a flexible wire are all that’s typically needed to maintain the anti-siphon properties. Opening and closing the access hatch once a year ensures a lifetime of trouble-free service. *To extend the service life of a Bio-Skirt, the unit may be “wrung out” to remove oils and washed in an industrial washing machine with warm water. The Bio-Skirt may then be re-deployed if the material maintains it’s structural integrity. A maintained Bio-Skirt can last for several years. Each Bio-Skirt can hold about on gallon of oils. SNOUT INSTALLATION: Maintenance Standards derived from the Washington State Department of Ecology’s Stormwater Management Manual for Eastern Washington (September 2004). Page 5 Maintenance Standards Conveyance Systems (Pipes and Ditches) Maintenance Code Type Conditions When Maintenance Is Needed 1 Sediment Sediment or debris exceeds 20% of pipe diameter or 20% of debris barrier openings. Accumulated sediment that exceeds 20% of the design depth of the ditch. 2 Trash & Debris Trash and debris accumulated in pipe or ditch. Visual evidence of dumping 3 Vegetation Vegetation reduces movement of water through pipes. Excessive vegetation that reduces free movement of water through ditches. 4 Water Quality Any evidence of oil, gasoline, contaminants or other pollutants. Water flowing in pipes or ditch during dry weather – report as potential illicit discharge concern. 5 Water Flow Impeded water flow due to vegetation or sediment (use appropriate code from above). Standing water in the pipe or swale between storm events. 6 Erosion Erosion damage over 2 inches deep where cause is still present or there is potential for continued erosion. Native soil is visible beneath the rock lining of a conveyance ditch. 7 Cover/Frame/ Grate N/A 8 Structure Debris barrier/trash rack is missing or not attached to pipe. Debris barrier/trash rack bars are bent by more than 3 inches. Debris barrier/trash rack bars are loose or rust is causing 50% deterioration to any part of the barrier. 9 Damaged Pipes Protective coating is damaged or rust is causing more than 50% deterioration to any part of pipe. Any dent that decreases the flow area by more than 20% or puncture that impacts performance. 10 Mosquito Vector Breeding Suitable habitat exists for mosquito production (e.g. standing water for more than 72 hours in areas accessible to mosquitoes.) 11 Other 12 Could Not Locate Field inspectors are unable to locate the pipe or ditch. Maintenance Standards derived from the Washington State Department of Ecology’s Stormwater Management Manual for Eastern Washington (September 2004). Page 6 Maintenance Standards Drywells Maintenance Code Type Conditions When Maintenance Is Needed 1 Sediment Sediment depth exceeds 2 feet or impedes flow from inlet pipes. 2 Trash & Debris Trash or debris exceeds 2 feet or impedes flow from inlet pipes. Trash or debris blocks more than 1/3 of any inlet or outlet pipe. Dead animals or vegetation that generate odors and cause complaints or dangerous gases (e.g., methane). 3 Vegetation Vegetation growing in inlet/outlet pipe joints that is more than six inches tall. Root systems entering drywell. 4 Water Quality Any evidence of oil, gasoline, contaminants or other pollutants. Water flowing into drywell during dry weather – report as potential illicit discharge concern. 5 Water Flow Facility does not drain within 72 hours. Impeded water flow due to vegetation or sediment (use appropriate code from above). 6 Erosion N/A 7 Cover/Frame/ Grate Cover is missing or only partially in place. One maintenance person cannot remove lid after applying normal lifting pressure. Frame separated by more than ¾ inch from top slab. Frame not securely attached. Locking mechanism cannot be opened by one maintenance person with proper tools. Bolts into frame have less than 1/2 inch of thread. 8 Structure Top slab with holes larger than 2 square inches or cracks wider than 1/4 inch. Grout at inlet/outlet pipes has separated or cracked wider than ½ inch and longer than one foot. Settlement has created a safety, function, or design problem. Field inspector judges that structure is unsound. 9 Damaged Pipes Inlet piping damaged or broken and in need of repair. 10 Mosquito Vector Breeding Suitable habitat exists for mosquito production (e.g. standing water for more than 72 hours in areas accessible to mosquitoes.) 11 Other 12 Could Not Locate Field inspectors are unable to locate the drywell. Cascade Separator™ Inspection and Maintenance Guide ENGINEERED SOLUTIONS Maintenance The Cascade Separator™ system should be inspected at regular intervals and maintained when necessary to ensure optimum performance. The rate at which the system collects sediment and debris will depend upon on-site activities and site pollutant characteristics. For example, unstable soils or heavy winter sand- ing will cause the sediment storage sump to fill more quickly but regular sweeping of paved surfaces will slow accumulation. Inspection Inspection is the key to effective maintenance and is easily per- formed. Pollutant transport and deposition may vary from year to year and regular inspections will help ensure that the system is cleaned out at the appropriate time. At a minimum, inspec- tions should be performed twice per year (i.e. spring and fall). However, more frequent inspections may be necessary in climates where winter sanding operations may lead to rapid accumula- tions, or in equipment wash-down areas. Installations should also be inspected more frequently where excessive amounts of trash are expected. A visual inspection should ascertain that the system components are in working order and that there are no blockages or obstruc- tions in the inlet chamber, flumes or outlet channel. The inspec- tion should also quantify the accumulation of hydrocarbons, trash and sediment in the system. Measuring pollutant accumu- lation can be done with a calibrated dipstick, tape measure or other measuring instrument. If absorbent material is used for enhanced removal of hydrocarbons, the level of discoloration of the sorbent material should also be identified during inspection. It is useful and often required as part of an operating permit to keep a record of each inspection. A simple form for doing so is provided in this Inspection and Maintenance Guide. Access to the Cascade Separator unit is typically achieved through one manhole access cover. The opening allows for inspection and cleanout of the center chamber (cylinder) and sediment storage sump, as well as inspection of the inlet chamber and slanted skirt. For large units, multiple manhole covers allow access to the chambers and sump. The Cascade Separator system should be cleaned before the level of sediment in the sump reaches the maximum sediment depth and/or when an appreciable level of hydrocarbons and trash has accumulated. If sorbent material is used, it must be replaced when significant discoloration has occurred. Performance may be impacted when maximum sediment storage capacity is exceeded. Contech recommends maintaining the system when sediment level reaches 50% of maximum storage volume. The level of sediment is easily determined by measuring the distance from the system outlet invert (standing water level) to the top of the sedi- ment pile. To avoid underestimating the level of sediment in the chamber, the measuring device must be lowered to the top of the sediment pile carefully. Finer, silty particles at the top of the pile typically offer less resistance to the end of the rod than larger particles toward the bottom of the pile. Once this measurement is recorded, it should be compared to the chart in this document to determine if the height of the sediment pile off the bottom of the sump floor exceeds 50% of the maximum sediment storage. Cleaning Cleaning of a Cascade Separator system should be done during dry weather conditions when no flow is entering the system. The use of a vacuum truck is generally the most effective and con- venient method of removing pollutants from the system. Simply remove the manhole cover and insert the vacuum tube down through the center chamber and into the sump. The system should be completely drained down and the sump fully evacu- ated of sediment. The areas outside the center chamber and the slanted skirt should also be washed off if pollutant build-up exists in these areas. In installations where the risk of petroleum spills is small, liquid contaminants may not accumulate as quickly as sediment. How- ever, the system should be cleaned out immediately in the event of an oil or gasoline spill. Motor oil and other hydrocarbons that accumulate on a more routine basis should be removed when an appreciable layer has been captured. To remove these pollutants, it may be preferable to use absorbent pads since they are usually less expensive to dispose than the oil/water emulsion that may be created by vacuuming the oily layer. Trash and debris can be net- ted out to separate it from the other pollutants. Then the system should be power washed to ensure it is free of trash and debris. Manhole covers should be securely seated following cleaning activities to prevent leakage of runoff into the system from above and to ensure proper safety precautions. Confined space entry procedures need to be followed if physical access is required. Disposal of all material removed from the Cascade Separator system must be done in accordance with local regulations. In many locations, disposal of evacuated sediments may be handled in the same manner as disposal of sediments removed from catch basins or deep sump manholes. Check your local regulations for specific requirements on disposal. If any components are dam- aged, replacement parts can be ordered from the manufacturer. A vacuum truck excavates pollutants from the systems.A Cascade Separator unit can be easily cleaned in less than 30 minutes. Model Number Diameter Distance from Water Surface to Top of Sediment Pile Sediment Storage Capacity ft m ft m y3 m3 CS-4 4 1.2 1.5 0.5 0.7 0.5 CS-5 5 1.3 1.5 0.5 1.1 0.8 CS-6 6 1.8 1.5 0.5 1.6 1.2 CS-8 8 2.4 1.5 0.5 2.8 2.1 CS-10 10 3.0 1.5 0.5 4.4 3.3 CS-12 12 3.6 1.5 0.5 6.3 4.8 Note: The information in the chart is for standard units. Units may have been designed with non-standard sediment storage depth. Cascade Separator™ Maintenance Indicators and Sediment Storage Capacities 800.925.5240 www.ContechES.com SUPPORT • Drawings and specifications are available at www.ContechES.com. • Site-specific design support is available from our engineers. ©2019 Contech Engineered Solutions LLC, a QUIKRETE Company Contech Engineered Solutions LLC provides site solutions for the civil engineering industry. Contech’s portfolio includes bridges, drainage, sanitary sewer, stormwater, and earth stabilization products. For information, visit www.ContechES.com or call 800.338.1122 NOTHING IN THIS CATALOG SHOULD BE CONSTRUED AS A WARRANTY. APPLICATIONS SUGGESTED HEREIN ARE DESCRIBED ONLY TO HELP READERS MAKE THEIR OWN EVALUATIONS AND DECISIONS, AND ARE NEITHER GUARANTEES NOR WARRANTIES OF SUITABILITY FOR ANY APPLICATION. CONTECH MAKES NO WARRANTY WHATSOEVER, EXPRESS OR IMPLIED, RELATED TO THE APPLICATIONS, MATERIALS, COATINGS, OR PRODUCTS DISCUSSED HEREIN. ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND ALL IMPLIED WARRANTIES OF FITNESS FOR ANY PARTICULAR PURPOSE ARE DISCLAIMED BY CONTECH. SEE CONTECH’S CONDITIONS OF SALE (AVAILABLE AT WWW.CONTECHES.COM/COS) FOR MORE INFORMATION. Cascade Separator Maintenance 11/19 ENGINEERED SOLUTIONS Cascade Separator™ Inspection & Maintenance Log Cascade Model:Location: Date Depth Below Invert to Top of Sediment1 Floatable Layer Thickness2 Describe Maintenance Performed Maintenance Personnel Comments 1. The depth to sediment is determined by taking a measurement from the manhole outlet invert (standing water level) to the top of the sediment pile. Once this measurement is recorded, it should be compared to the chart in the maintenance guide to determine if the height of the sediment pile off the bottom of the sump floor exceeds 50% of the maximum sediment storage. Note: to avoid underestimating the volume of sediment in the cham- ber, the measuring device must be carefully lowered to the top of the sediment pile. 2. For optimum performance, the system should be cleaned out when the floating hydrocarbon layer accumulates to an appreciable thickness. In the event of an oil spill, the system should be cleaned immediately.