www.wavin-labko.fi WAVIN-LABKO OY Labkotie 1 36240 KANGASALA Tel: +358 (0)20 1285 210 Fax: +358 (0)020 1285 280 email:[email protected] 04/13 16AI01fe EuroHEK ® Sand and sludge separator Instructions for installation, operation and maintenance EuroHEK® Sand and sludge separator 16AI01fe Contents 1 EUROHEK SAND AND SLUDGE SEPARATOR ........................................................................................ 3 1.1 1.2 1.3 2 GENERAL................................................................................................................................................ 3 IMPORTANT TO KNOW ABOUT THE SAND AND SLUDGE SEPARATOR.............................................................. 3 HANDLING OF THE SEPARATOR ................................................................................................................ 3 TECHNICAL DATA ...................................................................................................................................... 5 2.1 OPERATION ............................................................................................................................................ 5 2.2 CONSTRUCTION OF EUROHEK 1500 ....................................................................................................... 5 2.3 CONSTRUCTION OF EUROHEK 2500 – 80000 .......................................................................................... 6 2.4 COMPONENTS AND ACCESSORIES ............................................................................................................ 7 2.4.1. Maintenance shaft ........................................................................................................................ 7 2.4.2. Cast iron cover and frame ............................................................................................................ 7 2.4.3. Sludge alarm unit .......................................................................................................................... 7 2.4.4. Data transfer unit. ......................................................................................................................... 7 2.4.5. Anchoring belts ............................................................................................................................. 8 3 INSTRUCTIONS FOR MOUNTING IN THE GROUND ............................................................................... 8 3.1 3.2 3.3 3.4 4 MAINTENANCE ......................................................................................................................................... 13 4.1 4.2 4.3 5 MOUNTING PIT, ANCHORING SLAB AND ANCHORING BELTS ......................................................................... 8 INSTALLATION OF THE SEPARATOR ........................................................................................................... 9 FROST INSULATION................................................................................................................................ 11 FIGURATIVE INSTALLATION INSTRUCTIONS .............................................................................................. 12 CHECK-UP MAINTENANCE ...................................................................................................................... 13 EMPTYING THE SAND AND SLUDGE STORAGE SPACE ................................................................................ 13 MAINTENANCE OF THE SEPARATOR ........................................................................................................ 13 INDOOR INSTALLATION MODEL (ON / UNDER THE FLOOR) ............................................................. 14 5.1 CONSTRUCTION .................................................................................................................................... 14 5.2 COMPONENTS AND ACCESSORIES .......................................................................................................... 14 5.2.6. Suction pipe ................................................................................................................................ 14 5.2.7. IMUBOX and TUPLAIMUBOX connection boxes ....................................................................... 14 5.3 INSTALLATION ....................................................................................................................................... 14 5.4 MAINTENANCE ...................................................................................................................................... 15 5.4.8. Emptying the sand and sludge storage space ............................................................................ 15 6 SERVICE LOG EXAMPLE ......................................................................................................................... 15 WAVIN-LABKO OY 2(16) EuroHEK® Sand and sludge separator 1 1.1 16AI01fe EUROHEK SAND AND SLUDGE SEPARATOR General These instructions cover the installation, operation and maintenance of EuroHEK sand and sludge separator. EuroHEK is used general before oil separator in oil separator systems. Separate instructions include installation, operation and maintenance of sludge alarm unit which is available as accessory for the separator. An optional extra for the sludge alarm unit is the data transferring unit, which enables the alarm signal to be automatically forwarded to the person or company responsible for emptying the sand and sludge separator. According to EN 858 standard (System for light liquids), the oil separator system includes EuroHEK® sand and sludge separator, EuroPEK® I-class oil separator, and EuroNOK® sampling shaft. Separate instructions include installation, operation and maintenance of EuroPEK oil separator and EuroNOK Sampling shaft. 1.2 Important to know about the sand and sludge separator To ensure the best possible operation of the sand separator, read carefully through these instructions of operation, installation and maintenance. During the installation, pay special attention on the details mentioned below to guarantee safe working conditions and separator function. Handle the tank with care. Do not roll it or drop it. Fasten the tank carefully for the transportation to avoid any damage. Inspect the tank immediately after the transport to the installation site for any damage that might have occurred during the transport. Installation depth of the tank is 0.9 - 2.5 m measured from the bottom of inlet pipe to the ground level Anchor the tank to prevent it from floating; this is the buoyancy-effect caused by the groundwater or the rainwater that pours into the excavation. For filling the pit it is recommended to use sieved gravel of grain size 3-16 mm. In the area of heavy and medium weight traffic must be laid a traffic compensating slab on the tank to equalize the wheel loads. During filling of the mounting pit it is forbidden to drive with excavator closer to tank than 1.5 m measured from the edges and ends of the tank. Fill the tank with water immediately after installation and emptying. To ensure reliable and proper functioning of the separator, certain inspection and maintenance operations must be carried out. Regular maintenance plays a key role in the best possible purifying efficiency. Mark the location of the tank e.g. to property’s maintenance manual (e.g. map or the description of the location). Entering to the tank is allowed only if all the local safety regulations are obeyed. (e.g. measuring oxygen content, using of safety equipment etc.). Smoking and open fire are strictly forbidden. To avoid accidents, the tank lid must always be closed and locked! It is always the property owner who is responsible for preventing anything from falling into the tank (children, animals, etc.)! 1.3 Handling of the separator Handle the tank with care. The tank can’t be rolled or dropped. Fasten the tank properly for the transportation. Lift the tank with belts only from lifting eye bolts or circulate belts properly around the tank if forklift truck can’t be used. Avoid sudden moves when lifting the tank to ensure belts won’t slip. Inspect the well WAVIN-LABKO OY 3(16) EuroHEK® Sand and sludge separator 16AI01fe immediately after transporting it to the installation site for any damage that might have occurred during the transportation. Figure 1. Handling of the tank. WAVIN-LABKO OY 4(16) EuroHEK® Sand and sludge separator 16AI01fe 2 TECHNICAL DATA 2.1 Operation In the EuroHEK sand and sludge separator the solid matter is separated from the waste water. The operation of the separator is based upon gravitation: the solid particles, heavier than water, settle at the bottom of the tank. The tank is desludged by a suction hose of a container truck through a maintenance shaft. Construction of EuroHEK 1500 Labko SandSET-1000 lietehälytin 1 2 3 4 5 6 7 8 H V h h9-13 h13-17 h17-21 h21-25 LABCOM -tiedonsiirtoyksikkö Labko 2.2 Figure 2. Construction of EuroHEK 1500 sand and sludge separator pH 3–10 / heat endurance Separator body GRP max. 50 °C Inlet sewer (1 pc) PVC D110 / D160 / D200 / D250 Outlet sewer (1 pc) Ventilation outlet (1 pc) PVC D110 Solid GRP-HUK 600 maintenance shaft GRP h9-13...h21-25 (1 pc) Cast iron cover D600 (standard EN124), ACCESSORY (1 pc) Sludge alarm unit (1 pc) ACCESSORY Data transfer unit (1 pc) ACCESSORY Total height mm 2310...3910 Volume l 1500 Installation depth mm 900…1300 mm 1300…1700 mm 1700…2100 mm 2100…2500 WAVIN-LABKO OY 5(16) EuroHEK® Sand and sludge separator 2.3 16AI01fe Construction of EuroHEK 2500 – 80000 Labko SandSET-1000 lietehälytin LABCOM Tiedonsiirtoyksikkö Figure 3. Construction of EuroHEK 2500 - 80000 sand and sludge separators 1 D L V A B H 2 3 4 5 6 7 8 1 D L V A B H 2 3 4 5 6 7 8 EuroHEK 2500…10000 Tank Diameter Length Volume Skid - Inlet sewer Skid - Outlet sewer Total height Inlet sewer, as needed Outlet sewer, as needed PP-HUK 600 / EuroHUK 600 Maintenance shaft (as needed) Ventilation outlet D110 (as needed) Cast iron cover D600 Sludge alarm unit Data transfer unit EuroHEK 13000…40000 Tank Diameter Length Volume Skid - Inlet sewer Skid - Outlet sewer Total height Inlet sewer, as needed Outlet sewer, as needed PP-HUK 600 / EuroHUK 600 Maintenance shaft (as needed) Ventilation outlet D110 (as needed) Cast iron cover D600 Sludge alarm unit Data transfer unit WAVIN-LABKO OY 2500 GRP mm mm l mm mm mm 1000 3740 2500 930 880 1300 PVC 3000 4000 5000 6500 8000 10000 pH 3-10 / heat endurance 50°C 1400 1400 1400 1600 1600 1600 2400 3100 3850 4000 4900 6100 3000 4000 5000 6500 8000 10000 1300 1300 1300 1410 1410 1410 1250 1250 1250 1360 1360 1360 1700 1700 1700 1900 1900 1900 110 / 160 / 200 / 250 / 315 / 400 pc 1 1 1 1 1 1 1 pc 1 1 1 1 1 1 1 ACCESSORY ACCESSORY ACCESSORY 13000 GRP mm mm l mm mm mm 4400 13000 15000 16000 20000 30000 pH 3-10 heat endurance 50°C 2200 4900 5200 6400 9300 15000 16000 20000 30000 1930 1880 2500 PVC 110 / 160 / 200 / 250 / 315 / 400 pc 1 pc 1 40000 12200 40000 ACCESSORY ACCESSORY ACCESSORY 6(16) EuroHEK® Sand and sludge separator 1 D L V A B H 2 3 4 5 6 7 8 EuroHEK 50000…80000 Tank Diameter Length Volume Skid - Inlet sewer Skid - Outlet sewer Total height Inlet sewer, as needed Outlet sewer, as needed PP-HUK 600 / EuroHUK 600 Maintenance shaft (as needed) Ventilation outlet D110 (as needed) Cast iron cover D600 Sludge alarm unit Data transfer unit 16AI01fe 50000 55000 60000 65000 70000 75000 80000 GRP pH 3-10 / heat endurance 50°C mm 3000 mm 8500 9200 10000 10700 11500 12300 13000 l 50000 55000 60000 65000 70000 75000 80000 mm 2650 mm 2600 mm 3350 PVC 110 / 160 / 200 / 250 / 315 / 400 pc 1 pc 1 ACCESSORY ACCESSORY ACCESSORY 2.4 Components and accessories 2.4.1. Maintenance shaft Separator includes either EuroHUK or PP-HUK 600 maintenance shaft as accessory, according to order and which model is in case. Gasket enables a water-tight installation of the maintenance shaft. Maintenance shaft is chosen according to installation depth as presented in the following table: 2.4.2. Maintenance shaft model h9-13 h13-17 h17-21 h21-25 Installation depth from inlet sewer to ground surface (mm) 900 1300 1300 1700 1700 2100 2100 2500 Table 1. Selection of the maintenance shaft. Cast iron cover and frame The cast iron cover and frame (standard EN124) for the maintenance shaft are chosen according to the traffic load above the separator system (1.5, 25 or 40 t). Cover Frame 1.5 tn 25 tn 40 tn Part no. 3322 050 3322 054 3322 056 3325 010 Table 2. Selection of the cover and frame. Sludge alarm unit Sludge alarm unit is available as an accessory for the sand and sludge separators. The unit is an ultrasonic sludge alarm device, which signals when the sludge layer on the bottom of the tank requires emptying. The probe detecting the sludge is installed at the preferable height, according to the preferred alarming level. Operation, installation and maintenance of the alarm unit are described in details in separate instructions. Data transfer unit. The data transferring unit can be attached to a alarm system, e.g. to the sludge alarm. The data transferring unit enables the alarm indicating the need to empty the sludge storage space to be automatically forwarded to the person or company responsible for the task. Product 2.4.3. 2.4.4. By using a user name and a password, the customer can read the data concerning their property on the Internet. The data can also be transferred as an SMS to a mobile phone or as an e-mail to a computer. The modem and phone line doesn’t need to be kept open at the end being monitored. WAVIN-LABKO OY 7(16) EuroHEK® Sand and sludge separator 2.4.5. 16AI01fe Anchoring belts The tank should be anchored in order for the buoyant force of the water in the ground not to move the tank. The tank must be anchored using non-stretching polyester belts. The nominal capacity of the belt is determined by the tank size, and the type of the tensioning device is determined by the surrounding soil. Anchoring of the tanks is guided in chapter 3. In easy corrosion environments (calcareous or sandy soil, gravel, loamy sand, soil layers above ground water surface which pass air well or relatively well), can be used anchoring belts with electroplated zinc coated ratchets and hooks. In highly corrosive environments (clayey soil, humus, peat, slag, mud, sulphides, groundwater level fluctuation zones as well as coast areas), should be used anchoring belts with stainless ratchets and hooks. 3 3.1 INSTRUCTIONS FOR MOUNTING IN THE GROUND Mounting pit, anchoring slab and anchoring belts 1 Excavate a mounting pit of sufficient size for the tank. The edges of the mounting pit must exceed both sides and the ends of the tank by at least 0.5 m, allowing enough space for the stone-free sieved gravel around the tank. 2 Compact a horizontally levelled, 30 cm stone-free sieved gravel layer on the bottom of the pit. For filling the pit it is recommended to use sieved gravel of grain size 3-16 mm. If gravel is not available it is possible to use sand as long as it doesn’t behave like quick sand. Sand must be “locked” in place with walls or more robust ground. Gravel or stones bigger than grain size 16 mm may not be located next to the tank. The tanks should be anchored in order for the buoyant force of the water in the ground not to move the tank. We recommend a reinforced concrete slab to be used as an anchor. Anchoring slab should be cast if the ground water level in the area is higher than the bottom of the tank the water transmission in the ground is weak, and the rain water may gather into the mounting pit of the tank the bearing capacity of the ground is weak 3 If necessary, cast an anchoring slab (or anchoring slabs) on the sieved gravel layer, and insert the necessary amount of stainless steel lugs of min. 10 mm into the slab to anchor the tank. We recommend that an undivided anchoring slab be cast for the whole separator system. If several slabs are to be cast, one must make sure that the slabs will not move as regards to one another, and that the seams between the slabs will not be under the tank. Determine the positions of the stainless steel lugs on basis of tank length and the amount and placement of the anchoring belts before casting the concrete slab. Note! The manufacturer has not determined the positions of the anchoring belts on the tank. The belts are positioned on the straight part of the tank at even intervals (ca. 0.8...1 m, at maintenance shafts ca. 1.5 m). Make sure that the belts at both ends cannot slip off the tank. The anchoring belts should not be placed over the inlet and outlet sewers! WAVIN-LABKO OY 8(16) EuroHEK® Sand and sludge separator 3.2 16AI01fe 1. Stainless steel lug T10 2. Anchoring belt 3. Anchoring slab Slab length = tank length Concrete K30-2, steel reinforcement Slab width = tank diameter + 400 mm A500HW T10 #200 Slab thickness = 150 mm Figure 4. Anchoring the tank in an area influenced by ground water or in an area where the bearing capacity of the ground is weak. Installation of the separator 1. Compact a min. 20 cm stone-free sieved gravel layer on the anchoring slab. 2. Lift the tank on the layer and pour about 30 cm of water into the tank to stabilize it. 3. Anchor the tank onto the slab by means of non-stretching anchoring belts. If the amount of anchoring belts is insufficient, or the belts are not tensioned properly, the buoyant force of the water in the soil can bring the tank to surface later on, when the tank is being emptied. The anchoring belt is pulled over the tank, and fixed to the stainless steel lugs in the slab on both sides of the tank. The belts should preferably be tensioned with appropriate ratchets. If you order the anchoring belts with the tank, you will receive the necessary ratchets with the belts. Other appliances are not allowed to be used to tension the belts, because the belts might get over-tensioned, causing damage to the tank. The recommended way to tension the belts is two-phase: each belt is first tensioned to a level, where the force of the ratchet starts to increase substantially. In the second phase, each belt should be tensioned again, starting from the first belt, and tensioning is done as mentioned above. Make sure that the ratchets do not press onto the tank surface. 4. Compact the layer next to the skids of the tank with extreme care. Keep compacting the sieved gravel in about 20 cm layers. While this work is being done, keep adding water to the tank. 5. Install the inlets and outlets of the tank and fill the tank with water to the level of the outlet sewer. WAVIN-LABKO OY 9(16) EuroHEK® Sand and sludge separator 16AI01fe 6. Install rubber seals onto the bottom edge of the maintenance shaft(s). Install the EuroHUK maintenance shafts in a vertical position into the installation frame. Lock the latches (Figure 5). EuroHUK PP-HUK 1 Maintenance shaft Maintenance shaft 2 Installation sleeve Installation sleeve 3 Rubber gasket Rubber gasket 4 Retaining latch Figure 5. Locking EuroHUK maintenance shaft to the tank. 7. Install the ventilation tubes onto the ventilation outlet of the maintenance shaft (as needed). 8. If you have ordered sludge alarm unit as an accessory, install it now. Hang the metal hook to the upper edge of the maintenance shaft and hang the connection box to the hook. Determine the preferred height of the probe; recommendation is 1/3 of the tank volume. For further information, see Figure 6 and the separate instructions for operation, installation and maintenance of the alarm unit. Labko SandSET-1000 lietehälytin D (Tank diameter) A (collar probe) B (bottom probe) 1000 mm 980 mm 270 mm 1400 mm 1230 mm 400 mm 1600 mm 1400 mm 440 mm 2200 mm 1820 mm 600 mm 3000 mm 2400 mm 840 mm Figure 6. Probe cable lengths. 9. Install the cable protection tube into the cable penetration at the top of the maintenance shaft. The probe cable should be pulled into the building through the cable protection tube. Leave enough cable inside the maintenance shaft to lift the probe on the ground surface for maintenance operations. 10. Continue compacting the sieved gravel in 20 cm layers. Avoid the use of heavy vibration when compacting layers on top of the tank and on the inlets and outlets. Fill the pit up to the ground level. WAVIN-LABKO OY 10(16) EuroHEK® Sand and sludge separator 16AI01fe 11. After filling the pit, cut the maintenance shafts to the proper height. Note that the cover and frame will give about 100-150 mm extra height to the maintenance shaft. 12. Install the frame of the cover and frame set on the maintenance shaft. The frame must not lean against the maintenance shaft, but against the surrounding compacted layers of sieved gravel, the load compensation plate, or the asphalt layer laid on the ground surface. 13. In an area of heavy and medium weight traffic, a load compensation plate made of reinforced concrete, and a layer of asphalt must be laid to equalize the wheel loads. See Figure 7 and the instructions on the body of the tank concerning installation in the ground. A Tank B EuroHUK maintenance shaft C Asphalt D Load compensation plate Concrete: K30-2, steel reinforcement: A500HW T10 #150 3.3 E T10 Ring F Floating cover adjustable cast iron Figure 7. Structure of the traffic load compensation plate. Frost insulation The separator must be installed in a way it won’t freeze. The required frost insulation depends on the installation depth of the sewers and local circumstances. However, it is recommended to always construct frost protection in area where frost may exist. Frost insulation should be done with insulation plates. Dimensioning of the plate’s thickness and width is casespecific. WAVIN-LABKO OY 11(16) EuroHEK® Sand and sludge separator 3.4 16AI01fe Figurative installation instructions WAVIN-LABKO OY 12(16) EuroHEK® Sand and sludge separator 4 4.1 4.2 4.3 16AI01fe MAINTENANCE Special attention should be given to the maintenance of the sand and sludge separator to ensure effective operation throughout the life span of the system. The need for maintenance depends on the location and purpose of the system. For example in systems which treat rain waters gathered from asphalted areas requires less observation and maintenance than systems at vehicle washing sites or for other purposes where the separator system is exposed to a high content of solids. It is recommended to keep a service log of all draining and maintenance operations. All maintenance operations and error situations concerning the separator should be entered in this log. An example of service log is demonstrated in chapter 5. Check-up maintenance Check the condition of the separator at least every six months and clean the dirt from the walls with water. Also measure the thickness of the sludge bed regularly. Emptying the sand and sludge storage space The sand and sludge separator should be emptied when 1/3 of the total volume of the separator has been reached or at least once a year. Or if sludge alarm unit has been installed, it gives a signal light when the storage space is full. Drain off the storage space manually. Set the suction hose of the container truck through the maintenance shaft and begin to suck off the sand and sludge layer from the bottom of the tank. Note that water shouldn’t flow to the separator during emptying. Clean the dirt from the walls with a high pressure washer after draining. Check also the condition of the sand and sludge trap. Right after finishing the service, fill the tank completely with water to ensure the new starting up of the cleaning process. In areas of high ground water level, the filling with water reduces the buoyancy effect, too. The probe of the alarm unit must always be cleaned and checked when desludging the tank and in connection with the annual maintenance procedures. Lift the probe carefully to ground surface through the maintenance shaft, in way that the cable won’t expand and the probe won’t be damaged. If necessary, wash the probe with mild detergent (e.g. dish washing liquid) and a brush and set it back to its place. Also check that oil alarm unit and probe are operating properly. Maintenance of the separator Empty the separator for inspection at least once in five years. Clean the inside constructions with a high pressure washer. Drain the cleaning water completely from the separator with the suction hose of the container truck before checking the tank. Check the tightness of the separator, condition of the separator body, inner surfaces of the tank and condition of inner structures. Also check the condition and installations of the probe and the probe cables and that the alarm unit is operating properly. Fill the separator with water immediately after cleaning and inspecting to ensure its effective operation from the very beginning. Filling will also reduce the influence of the buoyant force caused by the ground water, if the ground water level is high around the separator WAVIN-LABKO OY 13(16) EuroHEK® Sand and sludge separator 5 16AI01fe INDOOR INSTALLATION MODEL (ON / UNDER THE FLOOR) 5.1 Construction Figure 8. Construction of indoor installation sand and sludge separator. 1 GRP-tank 5 Ventilation outlet D110 (as needed) 2 Inlet sewer (as needed) 6 Suction pipe DN80 (accessory) 3 Outlet sewer (as needed) 7 Sludge alarm unit (accessory) 4 Maintenance hole and cover 8 Data transfer unit(accessory) 5.2 Components and accessories 5.2.6. Suction pipe When the separator is installed indoors, it can be equipped with suction pipe, which empties the content of the separator from the bottom. Suction pipe (DN80) is available as an accessory to the separator. 5.2.7. 5.3 IMUBOX and TUPLAIMUBOX connection boxes The easiest way to empty the separator is to use the IMUBOX fast coupling connection box available as an accessory. When the separator is installed indoors, the IMUBOX connection box is installed on a outside wall easily accessible for the emptying vehicle. Installation EuroHEK SL sand and sludge separators are designed for indoor installation (on or under the floor) - Place the separator properly on an even base. Make sure the floor is strong enough and that the room temperature will be at least 5°C at the separator installation site. To make maintenance easier it is recommended to have a warm water tap with hose coupling in close vicinity of the separator. This makes it possible to use warm water to dissolve and remove grease and solids from the separator walls and bottom when servicing the separator WAVIN-LABKO OY 14(16) EuroHEK® Sand and sludge separator 16AI01fe - Install the inlet and outlet sewers with a repair socket into the sewer lines. NOTE! Length of horizontal pipes connected to the inlet sewer must be at least 10x pipe diameter. - Ventilation pipe (not included in the delivery) and suction hose (accessory) must be installed on the wall side. Install the ventilation pipe to the free Ø110 in situ connector on the tank. - Install the alarm probes - Install the DN80 suction pipe to the emptying pipe with a flange fitting. Install it to the same end of the tank where the inlet sewer is. The suction pipe is connected to the IMUBOX connection box (accessory) installed outside the building. When the suction pipe is used, it is recommended to choose suitable pipe for this purpose (stainless steel AISI316, DN80). NOTE! IMMEDIATELY AFTER EMPTYING ALWAYS FILL THE SEPARATOR WITH CLEAN WATER to ensure separator’s instant effective operation. The separator must be filled with clean water up to the level of the outlet pipe, even if the separator is not completely emptied. 5.4 Maintenance 5.4.8. Emptying the sand and sludge storage space - The sand and sludge separator should be emptied when 1/3 of the total volume of the separator has been reached or at least once a year. Or if sludge alarm unit has been installed, it gives a signal light when the storage space is full. - Flush off the dirt stuck on the separator walls with warm water. - Also clean the probes when emptying the separator using mild detergent (e.g. dishwashing liquid). - NOTE! IMMEDIATELY AFTER EMPTYING ALWAYS FILL THE SEPARATOR WITH CLEAN WATER to ensure separator’s instant effective operation. The separator must be filled with clean water up to the level of the outlet pipe, even if the separator is not completely emptied. 6 SERVICE LOG EXAMPLE Date Emptying, inspection, observation, procedure Performer 05.06.99 Installed the tank D. Sludger 04.04.00 Condition of the tank checked Tank emptied M. P. Tyer 29.10.00 Condition of the tank checked OK M. P. Tyer 02.03.01 Condition of the tank checked Tank emptied M. P. Tyer 22.11.01 Condition of the tank checked Tank emptied M. P. Tyer 15.05.02 Condition of the tank checked OK M. P. Tyer 09.10.02 Condition of the tank checked Tank emptied M. P. Tyer 27.06.03 Condition of the tank checked Tank emptied M. P. Tyer 13.03.04 Tank emptied and, condition of the tank and alarm unit D. Sludger / M. P. Tyer checked O.K. WAVIN-LABKO OY 15(16) www.wavin-labko.fi Wavin-Labko Oy Labkotie 1, FI-36240 Kangasala Tel. +358 20 1285 200 Fax. +358 20 1285 530 E-mail: [email protected]
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