Midwestern Engineers, Inc. Plan Preview

- > 5 NORTHEAST ELEVATION ING ELEC1'RIC/<L MANHOll';� NORTHEAST ELEVATION EX MH 3 (COLLECTION MANHOLE) A 5.02 ,.,;;;1-; "" 7" ::_ 4:: ·"'._ - "' rl NORTH ELEVATION (EX TANK No. 2) NORTHEAST ELEVATION (SLUDGE DRAW-OFF Pll) V-NOTCH WEIR EXISTING MH3 (COLLECTION MANHOLE) �� / !'le-::::::> ,p, 1' I c.u:. '-E c:-rcx �()�' ,475:,:;;.;-tANilS'lltt, TYPSr'\ TANK. 6"1:Cf. NO. /1?22 SG"COM -R.Y C'�A, $ T/BRIDGE EL. 437.33 ITANKNo.21 EXISTING ELECTRICAL MANHOLE EXISTING MH2 (SEAL WATER & CHLORINE SOLUTION MANHOLE) ,., "' A'rc-FrLJ:tV'T ao�; TYP 6'"A 7""ANK, EL <r:3'2.37 - E 5.02 SLUDGE DRAW-OFF PIT /CONC ,!.-4�T33 i F; G ;;; , . IT� -, .•• ¼l. 'q; , � bfi i--,,- -,-r,-, I��. ii B 5 02 (j;:; ��� 1/1'5? • '-s:--v-i='<-�,c--;r-����hr )< ;r-x )< -,c-�-X-:= ,,, I / J 8" DRAIN LINE .? s·• DRAIN LINE FROM EXISTING WET WELL. INV. 421.48' 1 1 • EXISTING PRIMARY / SETTLING TANK. G J EXISTING MH3 - PLAN VIEW Co- INV. 428.13. (COLLECTION MANHOLE) / PLAN VIEW SCALE, 1/4••�1 '-o•• FINAL CLARIFIER EXTERIOR WALL _J _ ,. H1err' ro ..�·v·r EL 4348? , K EXISTING CONC. WALK TO REMAIN IN SERVICE GENERAL PLANNOTES: 1. REFERENCE SHEET C101, GENERAL PLAN NOTES, FOR ADDITIONAL DEMOLITION INFORMATION. 2. THE DRAWINGS ANO PHOTOS SHOWN ARE FOR REFERENCE ONLY. IT IS THE CONTRACTORS RESPONSIBILITY TO FULLY INSPECT THE STRUCTURE PRIOR TO ORDERING EQUIPMENT OR BEGINNING RENOVATION/ DEMOLITION WORK. CLARIFIER DEMOLITION NOTES: CONTRACTOR TO INSTALL A TEMPORARY BY-PASS LINE ON EXISTING 14" CLARIFIER EFFLUENT LINE TO EXISTING UV STRUCTURE. SEE SHEET M6.02 & 9.08 FOR ADDITIONAL INFORMATION. 2 CONTRACTOR TO REMOVE EXISTING V-NOTCH WEIR, SCUM BAFFLE AND SKIMMER I SCUM BLADE SQUEEGEE FROM BOTH EXISTING CLARIFIER STRUCTURES AND REPLACE WITH NEW. FILL/ REPAIR EXISTING ANCHOR HOLES OR ANY DAMAGED MADE TO EXISTING CONCRETE STRUCTURE DURING REMOVAL. 3. EXISTING BRIDGES, STEEL BEAMS AND APPURTENANCES SHALL BE CLEANED AND PAINTED, SEE SPECS FOR ADDITIONAL INFORMATION. 4 CONTRACTOR TO CLEAN REMAINING EQUIPMENT AND INTERIOR CONCRETE TANKS. VISUALLY INSPECT CONCRETE WALLS, SLABS, EQUIPMENT, VALVES ANO ACTUATORS, STEPS, HANDRAILS AND ACCESS HATCHES. NOTIFY ENGINEER OF ANY DAMAGE THAT MAY NEED TO BE ADDRESSED BEFORE PROCEEDING. 5. MINOR CRACKS AND IMPERFECTIONS ON INTERIOR CONCRETE WALLS AND SLABS SHALL BE REPAIRED WITH PRODUCTS INDICATED IN THE SPECIFICATIONS. SECTION 030100 "MAINTENANCE OF CONCRETE". 6. EXTERIOR WALLS OF THE STRUCTURE AFTER MINOR REPAIRS HAVE BEEN COMPLETED SHALL RECEIVE NEW RUBBED FINISH TO COVER ANY IMPERFECTIONS. SEE SPECS FOR ADDITIONAL INFORMATION. 7. ALL REMAINING EQUIPMENT, HANDRAIL ETC. SHALL BE SECURED AND BOLTS TIGHTENED DURING INSPECTION AS NEEDED. NOTIFY ENGINEER AND INSTALL OR REPLACE ANY MINOR MISSING SOLTS I HARDWARE AS NEEDED. 8. REMOVE AND REPLACE EXISTING CLARIFIER INFLUENT 10" PLUG VALVES, VALVE STEMS. BOX AND LIDS FROM TRANSFER PUMP STATION FORCE MAIN WITH NEW 9. EXISTING 6'" RETURN ACTIVATED SLUDGE (R.A.S.) LINE TO EXISTING RECIRCULATION PUMP STATION TO BE RELOCATED TO NEW R.A.S. / W.A.S. PUMP STATION WET WELL, SEE SITE PIPING PLANS AND SHEETS 5 03 & S3.01 S3.04 FOR ADDITIONAL INFORMATION 10 REMOVE EXISTING CONCRETE WALK DURING CONSTRUCTION AND REPLACE WITH NEW 4'-0" W CONC. WALK, COORDINATE LOCATION WITH SITE PLAN AND OTHER STRUCTURE. 11. EXISTING MH 3 (COLLECTION MANHOLE) EXISTING 6" CHLORINE CONTACT DRAIN LINE AND 6" PRIMARY SETTLING TANK DRAIN LINES TO BE ABANDONED. SEAL MANHOLE WITH GROUT PLUGS. PLAN KEYNOTE LEGEND: @ INSTALL TEMPORARY BY-PASS LINE ON EXISTING EFFLUENT LINE ® REMOVE AND REPLACE EXISTING V-NOTCH WEIR AND SCUM BAFFLE © REMOVE AND REPLACE SQUEEGEE ON SKIMMER BLADE @ CLEAN AND PAINT EXISTING STEEL BRIDGE STRUCTURE ® CLEAN AND REPAIR EXISTING CONCRETE STRUCTURE ® CLEAN AND MAINTENANCE EXISTING EQUIPMENT @ REMOVE AND REPLACE EXISTING 10" INFLUENT PLUG VALVE @ CONNECT NEW 10" R.A.S. LINE TO EXISTING 6" R.A.S. LINE 0 CUT, CAP AND BLOCK EXISTING PIPING (i) EXISTING PIPING TO BE ABANDONED ® REMOVE EXISTING CONC. WALK CD SEAL EXISTING MANHOLE CONNECTION LEGEND � � EXISTING STRUCTURE, EQUIPMENT, PIPING AND APPURTENANCES TO BE REMOVED ITEMS TO BE RENOVATED EXISTING PIPING TO BE ABANDONED EXISTING FINAL CLARIFIERS - RENOVATION PLAN 11 R�SIONS 11 lt'I 2021 Mklwcst�rn Engine,·r,. Im·. 802 Wes! Broad'-<"Y S1,-.:c,'l P.O. Box 2<J5 Loogr,ooce. lndi�n" 475:'iJ DATE FEB. 2021 DESIGN C.W.R. DRAWN S.L.H. Q.C. CHECK R.D.W. PROJECT NUMBER 2015078-01 5.01 66 OF 11 4 FILE NUMBER 42006 Do Not Use Plan Previews for Take Off