Civil Engineering August 2022 | Vol 30 No 7

Civil Engineering August 2022 21 Abbreviations used CSC Course screen FSC Fine screen GC Grit chamber BFPS Bio-filter pre-treatment PS1 Primary sedimentation tank 1 PS2 Primary sedimentation tank 2 DCPS Diversion chamber primary sedimentation CCPS Collection chamber primary sedimentation TF11 Tricking filter stage 1 TF12 Tricking filter stage 2 DCIS Diversion chamber intermediate sedimentation IS1 Intermediate sedimentation tank 1 IS2 Intermediate sedimentation tank 2 CCIS Collection chamber intermediate sedimentation IPS Intermediate sedimentation TF12 Tricking filter 2 stage 1 TF22 Tricking filter 2 stage 2 DCFS Diversion chamber final sedimentation FS1 Final sedimentation tank 1 FS2 Final sedimentation tank 2 CCFS Collection chamber final sedimentation CP & DS Chemical preparatory DMF Dual media filter UV UV disinfection OB Operational building BWCT Backwash water collection tank BWRS Backwash water return station BWPS Backwash water pump station BWST Backwash water shortage tank BFST Bio-filter sludge treatment ST Sludge thickener SPH Sludge pump house SD1 Sludge digester tank 1 SD2 Sludge digester tank 2 GST Gas storage tank SDB Sludge drying beds (1–10) Legend ABBREVIATIONS USED LEGEND CSCCOARSESCREEN FSC GC FINESCREEN GRITCHAMBER BFPSBIO-FILTERPRE-TREATMENT PS1 PS2 PRIMARYSEDIMENTATIONTANK 1 PRIMARYSEDIMENTATIONTANK 2 DCPSDIVERSIONCHAMBERPRIMARYSEDIMENTATION CCPSCOLLECTIONCHAMBERPRIMARYSEDIMENTATION TF11 TF12 DCIS IS1 IS2 TRICKINGFILTER 1STAGE 1 TRICKINGFILTER 1STAGE 2 DIVERSIONCHAMBER INTERMEDIATESEDIMENTATION INTERMEDIATESEDIMENTATIONTANK 1 INTERMEDIATESEDIMENTATIONTANK 2 CCISCOLLECTIONCHAMBER INTERMEDIATESEDIMENTATION IPS TF12 TF22 INTERMEDIATEPUMPSTATION TRICKINGFILTER 2STAGE 1 TRICKINGFILTER 2STAGE 2 DCFSDIVERSIONCHAMBERFINALSEDIMENTATION FS1 FS2 FINALSEDIMENTATIONTANK 1 FINALSEDIMENTATIONTANK 2 CCFSCOLLECTIONCHAMBERFINALSEDIMENTATION CP&DSCHEMICALPREPARATORY&DOSING DMFDUALMEDIAFILTER UV OB UVDISINFECTION OPERATIONALBUILDING BWCTBACKWASHWATERCOLLECTIONTANK BWRSBACKWASHWATERRETURNSTATION BWPSBACKWASHWATERPUMPSTATION BWSTBACKWASHWATERSTORAGETANK BFSTBIO-FILTERSLUDGETREATMENT ST SLUDGETHICKENER SPHSLUDGEPUMPHOUSE SD1 SD2 GSTGASSTORAGETANK SDB SLUDGEDIGESTERTANK1 SLUDGEDIGESTERTANK2 NOTES: SLUDGEDRYINGBEDS (1-10) THISPLAN ISANOVERVIEWOFTHEWASTEWATER TREATMENTPROCESSLAYOUT.CONSTRUCTION DETAILSSHOULDBEOBTAINEDFROMTHEDETAILED DRAWINGSFOREACHSECTION. INTERCONNECTINGPROCESSPIPE SLUDGEPIPELINE RECIRCULATIONPIPELINE CHEMICALDOSINGPIPELINE POTABLEWATERRETICULATION Interconnecting process pipe ABBREVIATIONS USED LEGEND CSCCOARSESCREEN FSC GC FINESCREEN GRITCHAMBER BFPSBIO-FILTERPRE-TREATMENT PS1 PS2 PRIMARYSEDIMENTATIONTANK 1 PRIMARYSEDIMENTATIONTANK 2 DCPSDIVERSIONCHAMBERPRIMARYSEDIMENTATION CCPSCOLLECTIONCHAMBERPRIMARYSEDIMENTATION TF11 TF12 DCIS IS1 IS2 TRICKINGFILTER 1STAGE 1 TRICKINGFILTER 1STAGE 2 DIVERSIONCHAMBER INTERMEDIATESEDIMENTATION INTERMEDIATESEDIMENTATIONTANK 1 INTERMEDIATESEDIMENTATIONTANK 2 CCISCOLLECTIONCHAMBER INTERMEDIATESEDIMENTATION IPS TF12 TF22 INTERMEDIATEPUMPSTATION TRICKINGFILTER 2STAGE 1 TRICKINGFILTER 2STAGE 2 DCFSDIVERSIONCHAMBERFINALSEDIMENTATION FS1 FS2 FINALSEDIMENTATIONTANK 1 FINALSEDIMENTATIONTANK 2 CCFSCOLLECTIONCHAMBERFINALSEDIMENTATION CP&DSCHEMICALPREPARATORY&DOSING DMFDUALMEDIAFILTER UV OB UVDISINFECTION OPERATIONALBUILDING BWCTBACKWASHWATERCOLLECTIONTANK BWRSBACKWASHWATERRETURNSTATION BWPSBACKWASHWATERPUMPSTATION BWSTBACKWASHWATERSTORAGETANK BFSTBIO-FILTERSLUDGETREATMENT ST SLUDGETHICKENER SPHSLUDGEPUMPHOUSE SD1 SD2 GSTGASSTORAGETANK SDB SLUDGEDIGESTERTANK1 SLUDGEDIGESTERTANK2 NOTES: SLUDGEDRYINGBEDS (1-10) THISPLAN ISANOVERVIEWOFTHEWASTEWATER TREATMENTPROCESSLAYOUT.CONSTRUCTION DETAILSSHOULDBEOBTAINEDFROMTHEDETAILED DRAWINGSFOREACHSECTION. INTERCONNECTINGPROCESSPIPE SLUDGEPIPELINE RECIRCULATIONPIPELINE CHEMICALDOSINGPIPELINE POTABLEWATERRETICULATION Sludge pipeline A I I NS USED CSCCOARSE F FI IT BFPSBIO-FILTERPRE-TREATMENT PS1 PS2 PRIMARYSEDIMENTATIONTANK 1 PRIMARYSEDIMENTATIONTANK 2 DCPSDIVERSIONCHAMBERPRIMARYSEDIMENTATION CCPSCOLLECTIONCHAMBERPRIMARYSEDIMENTATION TF11 TF12 DCIS I 1 I 2 TRICKINGFILT 1 T 1 TRICKINGFILTER 1STAGE 2 DIVERSIONCHAMBER INTERMEDIATESEDIMENTATION I T I T I T TI T 1 I T I T I ENTATIONT 2 ISCOLLECTIONCHAMB I T I T I T TI IP TF12 TF22 I T I T T TI T I KIN FILT 2 T 1 TRICKINGFILTER 2STAGE 2 CF DI ERSIONCHAMBERFINALSEDI T TI F 1 FS2 FI L I T TI T K 1 FINAL I T TI T 2 F LL CTI RFI L I T TIO I L T I F L I FILTER UV UVDISINFECTION TI L IL I T T LL TI T T T T TI T T TI BWSTBACKWASHWATERSTORAGETANK BFSTBIO-FILTERSLUDGETREATMENT T L T I L 1 2 GSTGASSTORAG T SDB L I T T 1 L I T T 2 NOTES: SLUDGEDRYINGBEDS (1-10) THISPLAN ISANOVERVIEWOFTHEWASTEWATER TRE TM T L T. T TI T IL L E T I F O T T IL INGSF R CHS TION. INTERCONNECTINGPROCESSPIPE SLUDGEPIPELINE I L TI PIPELINE CHEMICALDOSINGPIPELINE T L T TI L TI Recirculation pipeline AB O L SCREEN SC GC INESCREEN GRITCHAMBER I I I I I I I I PS I I I I I I I I I I IS IS I I I ER S AGE I I I I I I I IMENTATION IN ERMEDIA ESEDIMEN A ION ANK IN ERMEDIA ESEDIM I ANK CCI I ER IN ERMEDIA ESEDIMENTATION I S TF22 IN ERMEDIATEPUMPSTATION RIC I G I ER S AGE TRICKINGFILTER 2STAGE 2 D FS IV I I IMEN A ION S FS2 INA SEDIMEN A ION ANK 1 FINALSEDIMENTATIONTANK 2 CCFSCOLLECTIONCHAMBERFINALSEDIMENTATION CP&DSCHEMICALPREPARATORY&DOSING DM DUA MEDIA I UV OB UVDISINFECTION OPERA IONA BUI DING B C BACKWASHWATERCOLLECTIONTANK BWRSBACKWASHWATERRETURNSTATION B PSBACK ASH A ERPUMPS A ION I I S S UDGE HICKENER SPHSLUDGEPUMPHOUSE SD SD GETANK SDB S UDGEDIGES ER ANK1 S UDGEDIGES ER ANK S: SLUDGEDRYINGBEDS (1-10) HISPLAN ISANOVERVIEWOFTHEWASTEWATER R TMEN PROCESS AYOU .CONS RUC ION DE AI SSHOU DB OB AINED R M HEDETAILED DRA I O EA EC ION. INTERCONNECTINGPROCESSPIPE I I RECIRCU A ION IPELINE IC I I I PO AB E A ERRE ICU A ION Chemical dosing pipeline ABBREVIATI NS USED LEGEND C COARSESCREEN FSC GC FINESCREEN GRITCHAMBER BFPSBIO-FILTERPRE-TREATMENT 1 PS2 1 PRIMARYSEDIMENTATIONTANK 2 DCPSDIVERSIONCHAMBERPRIMARYSEDIMENTATION CCPSCOLLECTONCHAMBERPRIMARYSEDIMENTATION TF11 TF12 DCIS 1 IS2 TRICKINGFILTE 1 TRICKINGFILTER 1STAGE 2 DIV SIONCHAMBER I TERMEDI TESEDIMENTATION 1 INTERMEDIATESEDIMENTATIONTANK 2 CCISCOLLECTIONCHAMBER INTERMEDIATESEDIMENTATION IPS TF12 TF22 INTERMEDIATEPUMPSTATION TRICKINGFILTER 2STAGE 1 TRICKINGFILTER 2STAGE 2 DCFSDIVERSIONCHA BERFINALSEDIMENTATION 1 FS2 1 FINALSEDIMENTATIONTANK 2 CCFSCOLLECTIONCHAMBERFINALSEDIMENTATION CP& SCHEMICALPR PARATORY&DOSING DMFDUALMEDIAFILT R UV OB UVDISINFECTION OPERATIONALBUILDING CT CKWASHWATERCOLLECTIONTANK R WAS WATE RETURNSTATION PS PUMPSTA ION WSTBACKWASHWATERSTORAGETANK BFSTBIO-FILTERSLUDGETR ATMENT T SLUDGETHICKENER PHSLUDGEPUMPHOUSE 1 SD2 GSTGASSTORAGETANK SDB 1 SLUD DIGESTERTANK2 NOTES: SLUDGEDRYINGBEDS (1-10) HISPLAN ISANOVERVIEWOFTHEWASTEWATER TREATMENTPROC SSLAYOUT.C NS RUCTION DETAILSSHOULDBEOBTAINEDFROMTHEDETAILED DRAWINGSFOREACHSECTION. INTERCONNECTINGPROCESSPIPE SLUDGEPIPELINE RECIRCULATIONPIPELINE CHEMICALDOSINGPIPELINE POTABLEWATERRETICULATION Potable water reticulation Notes This plan is an overview of the wastewater treatment process layout. Construction details should be obtained from the detailed drawingsfor each section. -22 300Y -22500Y -22500Y - 22 600Y - 22600Y + 2 997000X +2997 000X +2997 300X + 2997 000X +2 997100X +2997200X +2997300X -22300Y IPS CC-IS IS1 MH2BMH2A ST DC-IS TF11 TF12 SPH GST (ONHOLD) SST CC-PS PS1 MH1BMH1A PS2 DC-PS GC BF-PS FS1 CSC FSC T&G MH3B MH3A FS2 CC-FS SD1 SD2 DC-FS TF21 GH TF22 PRECASTRCMANHOLE PRECASTRCMANHOLE P.LEVEL:976.000 BWCT BWST GENBUILDING FLOWMETER CHAMBER ADMIN BUILDING DOMESTICSEWERAGE PUMPSUMP CHEM BUILD BLOW ROOM ADMINBUILDING SEWERAGEPUMP SUMP FLOWMETER CHAMBER UVDISINFECTION SDB1 SDB2 SDB3 SDB4 SDB5 SDB6 SDB7 SDB8 SDB9 SDB10 Figure 2 Site layout Figure 3 Works at 85% progress