Clients/SSLOCSD/evernote/SCADA_project_instrument_spec_field_notes.md

# SCADA project instrument spec field notes Estimated flow rates (by the District) RECLAIM WATER PUMPS 150-300 GPM SECONDARY DIGESTER SUMP PUMPS 80 GPM EACH FLARE GAS TYPICAL FLOW 3000-4500 SCFH (50-75 SCFM) 10inwc max 97-98 degF PRIMARY CLARIFIER PUMPS 160 GPM (MAX DIGESTER INFLOW 220 GPM + DRUM THICKENER FLOW) HOT WATER PUMP 130 GPM HEATED SLUDGE PUMP (GUESSTIMATE 500 GPM) WASTE SLUDGE PUMPS 110 GPM EACH (TYPICALLY RUN AT HALF THAT) Influent pumps Pressure sensor install ![[SCADA_project_instrument_spec_field_notes_img_20201201_101636.411.jpg]] Should we add seal water pressure? ![[SCADA_project_instrument_spec_field_notes_img_20201201_102004.838.jpg]] ![[SCADA_project_instrument_spec_field_notes_img_20201201_101906.799.jpg]] ![[SCADA_project_instrument_spec_field_notes_img_20201201_101752.586.jpg]] ![[SCADA_project_instrument_spec_field_notes_img_20201201_102301.955.jpg]] 2 pumps 41 11/16 circumference  2 pumps 48 9/16 FFR  100 1/2 inch circ (calc'd 32" diam) Probably better to weld a weldlet  ![[SCADA_project_instrument_spec_field_notes_img_20201201_112210.992.jpg]] Pump discharge psi is 4 psi ![[SCADA_project_instrument_spec_field_notes_img_20201201_112802.710.jpg]] ![[SCADA_project_instrument_spec_field_notes_img_20201201_112627.666.jpg]] ![[SCADA_project_instrument_spec_field_notes_img_20201201_112521.249.jpg]] ![[SCADA_project_instrument_spec_field_notes_img_20201201_113349.885.jpg]] Primary clarifies ![[SCADA_project_instrument_spec_field_notes_img_20201201_113628.556.jpg]] ![[SCADA_project_instrument_spec_field_notes_img_20201201_113609.248.jpg]] Looks like we will have to mount the sensor inside and be intrinsically safe. Flow meter. Need to find a spot where both clarifier pumps pump through to get into the digester. The line in the video may work. Digester gas pressure is 30 inches water on compressor discharge and 3 inwc on suction. Compressor is currently off. Check to see if they still want to monitor it. H/M PLC  ![[SCADA_project_instrument_spec_field_notes_img_20201201_121910.759.jpg]] ![[SCADA_project_instrument_spec_field_notes_img_20201201_121848.388.jpg]] Digester WAS line is 6 inch ![[SCADA_project_instrument_spec_field_notes_img_20201201_122054.753.jpg]] Heated sludge return line is 4inch stainless ![[SCADA_project_instrument_spec_field_notes_img_20201201_122151.015.jpg]] Heated sludge pump is 8.85 FLA ![[SCADA_project_instrument_spec_field_notes_img_20201201_122302.846.jpg]] Mixing pump discharge psi is 5 hot water line is 3 inch steel Digester gas line inside H/M is 2 inch stainless Heated sludge discharge psi is 22 psi Hot water psi is variable. Gages are 0 to 100 There are temp sensors existing for heated sludge exchanger input and output. Max hot water temp is 150 degF ![[SCADA_project_instrument_spec_field_notes_img_20201201_122530.705.jpg]] ![[SCADA_project_instrument_spec_field_notes_img_20201201_122443.534.jpg]] ![[SCADA_project_instrument_spec_field_notes_img_20201201_122434.058.jpg]] ![[SCADA_project_instrument_spec_field_notes_img_20201201_122403.053.jpg]] ![[SCADA_project_instrument_spec_field_notes_Snapshot_10.jpg]] ![[SCADA_project_instrument_spec_field_notes_Snapshot_7.jpg]] ![[SCADA_project_instrument_spec_field_notes_Snapshot_6.jpg]] ![[SCADA_project_instrument_spec_field_notes_Snapshot_11.jpg]] ![[SCADA_project_instrument_spec_field_notes_Snapshot_9.jpg]] ![[SCADA_project_instrument_spec_field_notes_Snapshot_8.jpg]] Secondary sludge pump discharge is 6 inch ductile  ![[SCADA_project_instrument_spec_field_notes_img_20201201_133704.171.jpg]] Gas flare line is 4 inch pvc Gas pressure is 4 inwc  ![[SCADA_project_instrument_spec_field_notes_img_20201201_134150.739.jpg]] ![[SCADA_project_instrument_spec_field_notes_img_20201201_134117.781.jpg]] MCC/CCT PLC ![[SCADA_project_instrument_spec_field_notes_img_20201201_134937.387.jpg]] ![[SCADA_project_instrument_spec_field_notes_img_20201201_134932.792.jpg]]