Midwestern Engineers, Inc. Plan Preview

v- ------------- ---------- ---------- ------------- ------------- ------------- - - d --------- - EXISTING BRUSH _ & _::o� r� - - \ \ I I \ / I \ \ \_ --------- ---- j -- ------ -- - ------ - - - ---- - -------- - - - ----- -- -- -- -- --------- - - -------- --------- .... ----- -'"'U....." ,. II II FLOODPLAIN BOUNDARY I EX. SLUDGE II LOAD STATION . j I !I © II ·' ......________ \ \ EX CB4 I "t © � I TRANSFER 1 PUMP STATION - - --- \ \ \ \ I I FLOODWAY BOUNDARY \ I '--........------ ✓ i EXISTING STOR AGE BUILDING \ '-1-+.,c. •: STA LED BY ATER SYSTEM I / / NEW MIXING PUMP BUILDING 21 / / � EX. CONTROL BUILDING I I / / I / / / I 3 8 REFER TO DRA'MNG" H7.13 FOR CONTINUATI 0 ANAERO DIGEST TANK 14" GR\{ I 24" SAN /// ,, /;// _/ I � I /; f • 1 ,- l / / I I I ( ( I I I ) r I ------ ) I I I I I .I --) ------ / I " / / � I 2" "" I � EX / � & i; I I,;_"/ 11"-../ ·/ UJ z _J I u f­ <{ ' ,.............._ -----�- 127] INSTALL NEW CATCH BASIN AND 12'' DRAIN LINE INSTALL NEW 10" PLUG VALVE IN NEW RAS. / WAS. GRAVITY LINE FUTURE WATER TREATMENT PLANT CONNECTION. FUTURE WATER TREATMENT PLANT SANITARY SEWER AND BACKWASH HOLDING TANK RETURN LINE. FUTURE WATER TREATMENT PLANT BACKWASH HOLDING TANK WASTE LINE EXISTING PRIVATE GAS SERVICE TO BE ABANDONED IN PLACE PROPOSED GAS MAIN BY CENTERPOINT ENERGY PROPOSED GAS LATERAL BY CENTERPOINT ENERGY GENERAL NOTES: FOR ADDITIONAL PIPING DETAILS, SEE SHEETS: M2.11 M3 .02 4.03 5 .03 M6.02 7.0417.05 8.02 NEW OXIDATION DITCH NEW FINAL CLARIFIERS EX. TRANSFER PUMP STATION EX. FINAL CLARIFIERS NEW U.V. DISINFECTION/ STEP AERATION TANK EX. ANAEROBIC DIGESTER/ EX. CONTROL BUILDING EX. SLUDGE DRYING BEDS I NEW CONTAINER BAG SLUDGE DEWATERING SYSTEM PIPING PLAN NOTES: MINIMUM SLOPES FOR GRAVITY LINES SHALL BE AS FOLLOWS: (NOMINAL SEWER SIZE I MINIMUM SLOPE IN FEET PER 100') 4" = 1.3 3 ' 10" = 0.28' 16" = 0. 14' PIPING LEGEND NEW MAINS (DIV I . WTP PROJECT) NEW MAINS (THIS PROJECT) ■-----■ NEW MAINS (DIV. I, THIS PROJECT) EXISTING MAINS TO REMAIN IN SERVICE EXISTING MAINS TO BE ABANDONED (TBA) EXISTING MAINS PREVIOUSLY ABANDONED GAS MAIN ""' A -A� = Y-"7'- � --- ,,, ___ -U/E--OHE- UNDERGROUND/ OVERHEAD ELECTRIC TELEPHONE ---,--- ,· w 4" NPW 12" ORN 12" GRV 24" SAN 12" sru 12" F/M 12" E/0 6" SEP CHEM FEED POTABLE WATER MAIN AND SIZE NON-POTABLE WATER MAIN AND SIZE DRAINAGE LINES AND SIZE GRAVITY SEWER MAIN AND SIZE SANITARY SEWER MAIN AND SIZE STORM SEWER ANO SIZE SANITARY FORCE MAIN AND SIZE EFFLUENT OUTFALL MAIN ANO SIZE SEPTAGE RECEIVING LINE ANO SIZE CHEMICAL FEED LINE VALVE • FIRE HYDRANT/ YARD HYDRANT PLAN KEYNOTE LEGEND: [iJ 0 []] [i__iJ [i] � � [TI � INSTALL TEMPORARY BY-PASS LINE TO EXISTING U.V. STRUCTURE PRIOR TO DEMOLISHING EXISTING CHLORINE CONTACT TANK. RELOCATE EXISTING EFFLUENT FLOW METER ON CHLORINE CONTACT TANK TO EXISTING U.V. STRUCTURE PRIOR TO DEMOLISHING EXISTING CHLORINE CONTACT TANK. CONNECT NEW PLANT 12" FORCE MAIN FROM PLANT/EQ PUMP STATION (DIV I) TO NEW OXIDATION DITCH. INSTALL NEW 24" GRAVITY LINE FROM NEW OXIDATION DITCH TO NEW AND EXISTING CLARIFIERS FLOW SPLITTER BOX. INSTALL NEW 14" GRAVITY LINE FROM NEW CLARIFIERS FLOW SPLITTER BOX TO EXISTING TRANSFER PUMP STATION. INSTALL NEW CHEMICAL FEED MANHOLE. FEED LINE & CONDUIT FROM NEW LAB/ CHEMICAL FEED BUILDING TO OXIDATION DITCH EFFLUENT PIPE. RELOCATE EXISTING CLARIFIER SLUDGE DRAW-OFF PIT RAS. ANO WAS. GRAVITY LINES TO NEW CLARIFIER RAS./ WAS. PUMP STATION WET WELL. INSTALL NEW EFFLUENT GRAVITY LINE FROM NEW CLARIFIERS TO NEW UV. DISINFECTION/ STEP AERATION TANK. INSTALL NEW FORCE MAIN FROM NEW CLARIFIER RAS/WAS PUMP STATION TO NEW OXIDATION DITCH. INSTALL NEW FORCE MAIN FROM NEW CLARIFIER RAS/WAS PUMP STATION TO EXISTING ANAEROBIC DIGESTER. INSTALL NEW GRAVITY SCUM LINE FROM NEW CLARIFIERS TO EXISTING MH3 (COLLECTION MANHOLE). INSTALL NEW GRAVITY LINE FROM EXISTING CLARIFIERS (OR EXISTING MH2 BY-PASS) TO NEW U.V./STEP AERATION TANK. WHEN NEW PLANT IS READY TO GO ONLINE, SWITCH OVER TEMPORARY BY-PASS LINE FROM EXISTING U. V. TO NEW U.V. INSTALL NEW GRAVITY PLANT EFFLUENT FROM NEW U. V./ STEP AERATION TANK AND CONNECT TO EXISTING 24" PLANT EFFLUENT LINE. NEW MANHOLES AND GRAVITY SEWER LINE., NOT IN THIS CONTRACT. INSTALL NEW FORCE MAIN FROM EXISTING CONTROL BUILDING RAW WATER PUMPS TO NEW MH300A. INSTALL NEW GRAVITY SEWER AND DRAIN LINES FROM NEW LAB/ CHEMICAL FEED BUILDING TO NEW MH302B. INSTALL NEW MANHOLE AND GRAVITY LINE FOR NEW OXIDATION TANK ie_ DRAINS AND FLOOR DRAINS. CONNECT NEW GRAVITY LINE TO DIV. 1 CAPPED LINE TO NEW PLANT/EQ PUMP STATION WET WELL (DIV. I) DEMOLISHEXISTING MANHOLES. ABANDON IN PLACE OR REMOVE EXISTING SANITARY SEWER, GRAVITY LINES. FORCE MAIN, DRAIN LINES ANO/OR NON-POTABLE WATER LINES. SEAL ABANDONED LINES AT STRUCTURE WALL OR CUT. CAP ANO BLOCK ON BOTH LINES AND ABANDONED ENDS. CONNECT NEW FORCE MAIN TO EXISTING FORCE MAIN. INSTALL NEW FORCE MAIN TO NEW CONTAINER BAG SLUDGE O EWATERING SYSTEM. REPLACE EXISTING PLUG VALVES WITH NEW PLUG VALVES. SIZE PER LINE. PRESSURE FLUSH EXISTING DRYING BED DRAIN LINES. INSTALL NEWWASTE GAS BURNER REMOVE EXISTING EFFLUENT OVERFLOW FLOW METER PRIOR TO DEMOLISHING MANHOLE, RETURN FLOW METER TO CITY OF PETERSBURG. INSTALL NEW WATER SERVICE LINE & VALVES. EXISTING WATER SERVICE LINES, VALVES AND YARD HYDRANTS TO BE ABANDONED INSTALL NEW 1 1/2" FREEZELESS YARD HYDRANT EQUAL TO WOODFORD U150W INSTALL NEW 3/4" FREEZELESS YARD HYDRANT EQUAL TO WOODFORD Y3 4. CONNECT NEW 2" WATER SUPPLY LINE TO CONTROL BUILDING EXISTING DOMESTIC WATER SERVICE LINE DEMOLISH EXISTING SERVICE LINE UPSTREAM OF THIS LOCATION 6" = 0.61' 12" = 0.22' 18" = 0.12' 8" = 0.40' 14" = 0.17' 24" = 0.08' MINIMUM PIPE DEPTHS SHALL BE 42" BELOW FINISHED GRADE. WASTEWATER TREATMENT PLANT - SITE PIPING & UTILITIES PLAN (WEST HALF) REVlSIONS 09-20-23 © 202! �·lidw�,tcrn Engi1w,·rs. lr>c. 802 W�,;t Broarlwav Street P.O. Bo� 295 Loo�ootce. lndi�na -fl553 DATE FEB 2021 DESIGN C.W.R. DRAWN Q.C. CHECK R.D.W. PROJECT NUMBER 2015078-01 C1 06 15 OF 114 FILE NUMBER 42057 Do Not Use Plan Previews for Take Off