Wastewater treatment handbook

40 Oil trap The OIL TRAP, entirely made of PE, one piece with one screw-on cover to check the system and to remove oils, hydrocarbons and floating materials. A second screw-on cover is meant to remove sand and inert material Inlet pipe made of PVC, Ø…...…, PVC outlet pipe Ø…....… with neoprene external gasket,T pipe. The oil trap can treat water containing mineral oils and greases (ex: car repair shops etc.). Dig a hole of appropriate dimensions and line a 10 cm thick sand layer at the bottom, grain size 0-5 mm. Dampen the sand and level it. Lay the plant down and connect the outlet pipe to an inspection chamber by means of a PVC pipe Ø…… . Fill the tank with clean water. Connect Verify that installation has been correctly carried out. Periodically verify that no larger body obstructs sewage inlet or outlet by opening the screw-on covers and checking through them. Periodically check that settled sand level does not pass the settling tank bottom. This can be M O D A L I T A ' D I I N T E R R O a l l e g a t o 1 the inlet pipe to the system collecting waste water. In this way the depuration process will be started. Fill the gaps around the plant with dampened sand. Finish as shown in the drawing. done by checking through the smallest opening. Periodically verify that oils, hydrocarbons and floating material have not completely filled the central basin. Periodically remove the above mentioned sub- stances by calling specialised companies. INSTALLER ENGINEER (SPECIFICATIONS) USER h var. I N S T A L L A T I O N I N S T R U C T I O N S a n n e x 1 sand cm 10 sand cm 10 PVC manhole light concrete reinforced concrete max 40 cm thick earth layer walk-on cover PVC manhole drive-on cover WALK-ON SOLUTION DRIVE-ON SOLUTION www.baygar.com