ASME A112.14.3:2000 pdf free download

ASME A112.14.3:2000 pdf free download.GREASE INTERCEPTORS.
(h) The combined horizontal waste piping into which the sink outlets connect shall be installed with the center line II in. (0.28 m) below the bottom of the sink and properly hung and braced from the sink reinforcement and supports. This waste pipe shall be fitted to the inlet of a vented (air intake) flow control anti/or vent or equal device (if required for use with the interceptor).
(c) Flow Control and/or Vent Device (O,tional). The flow control and/or vent device shall be adequate in size for the interceptor to be tested and shall be equipped with the proper size orifice and/or other details to provide the proposed flow rate of the subject interceptor, based on the simultaneous drainage of both sink compartments as detailed hereinafter. The waste piping on either side of the flow control and/or vent shall be fitted with unions to permit removal of the device.
(d) Vertical Waste RLser. The vertical waste riser shall he connected to the outlet of the flow control and/ or vent device and shall extend downward to connect to the grease interceptor inlet by means of an elbow and a short horizontal nipple.
(e) interceptor Discht,rge. The discharge pipe from the interceptor outlet to the skimming lank shall have a mininium pitch of 14 in. per ft ( cm per ill) and shall be provided with a 2-in. (50 mm) vent properly located to prevent siphoning of the interceptor.
(f) interceptor Connections. If the inlet and/or outlet openings of the interceptor to be tested exceed 2 in. (50 mm) or 3 in. (76 inm for test flows exceeding 50 gpm (190 Urn) in site, reducing couplings shall be Used to permit connections of the 2 in. (50 mm) or 3 in. (76 mm) for test flows exceeding 50 gpm (190 Um), inlet and discharge pipes.
3.2.2 Indirect Connection Test Type D. Sec Fig. 3.
3.2.2.1 Sink and Interceptor Location. The sink shall be located on a floor with the sink rim 3 ft (0.91 m) above the floor level and 13 ft (3.96 ml above the outside bottom of the grease interceptor being tested.