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HomeMy WebLinkAboutS-298701s CITY 101F RENTON ]?-27m2987 2004 LIFT STATION REHABILITATION (LAKE WASHINGTON FLUSHING STATION AND MISTY COVE LIFT STATION) GENERAL NOTES 1. CONSTRUCTION STANDARDS ALL WORKMANSHIP, DESIGN AND CONSTRUCTION SHALL CDNFORM TO THE CONSTRUCTION DRAWINGS, TECHNICAL SPECIFICATIONS, THE UNIFORM BUILDING CODE (1997 EDITION), AS AMENDED BY CHAPTER 51 -40 FOR THE WAC, THE RENTON MUNICIPAL CODE, AND THE CITY OF RENTON STANDARD PLANS AND SPECIFICATIONS. 2. PRE — CONSTRUCTION CONFERENCE A PRE — CONSTRUCTION CONFERENCE AND TWENTY —FOUR HOUR NOTICE WILL BE REQUIRED PRIOR TO COMMENCING CONSTRUCTION. 3.PPERMITS AND INSPECTIONS a. PERMITS: THE CONTRACTOR SHALL SECURE ALL NECESSARY PERMITS PRIOR TO STARTING CONSTRUCTION. SEE SPECIFICATION'S FOR FURTHER INFORMATION REGARDING PERMITS. b. INSPLCTION: THE CONTRACTOR SHALL OBTAIN ALL BUILDING DEPARTMENT INSPECTIONS DURING CONSTRUCTION. SOME OF THE INSPECTIONS WILL BE PERFORMED BY A REPRESENTATIVE OF THE CITY OF RENTON. THE CONTRACTOR SHALL NOTIFY THE OWNER 24 HOURS IN ADVANCE OF ANY BACKFILLING OR COVERING OF CONSTRUCTION. 4. CONSTRUCTION SAFETY THE CONTRACTOR SHALL TAKE ALL NECESSARY PRECAUTIONS TO PROTECT THE PUBLIC AND PREVENT NUISANCE'S WHILE PERFORMING CONSTRUCTION WORK ON THIS PROJECT. CONTRACTOR SHALL PROVIDE TEMPORARY BRACING FOR THE STRUCTURE AND STRUCTURAL COMPONENTS UNTIL ALL FINAL CONNECTIONS HAVE BEEN COMPLETED IN ACCORDANCE WITH THE !PLANS. THE CONTRACTOR SHALL CONTACT THE DNE —CALL U11UTY LOCATE SERVICE AT 1 -800- 424 -5555 A MINIMUM OF 48 HOURS PRIOR TO CONSTRUCTION FOR UTILITY LOCATIONS. THE CONTRACTOR SHALL NOTIFY THE ENGINEER AND THE UTILITY COMPANY WHEN A CONFLICT OCCURS OR WHEN A CONFLICT IS ANTICIPATED. 5. UTILITIES: THE LOCATIONS OF EXISTING UTILITIES SHOWN ON THESE CONSTRUCTION DRAWINGS ARE APPROXIMATE. THE SOURCE OF INFORMATION GENERALLY CONSISTS OF CONSTRUCTION RECORDS, UTILITY LOCATES, AND OTHER DATA OBTAINED VERBALLY FROM OFFICIALS ASSOCIATED WITH THE PARTICULAR UTILITY. OWNER AND ENGINEER DO NOT GUARANTIES NOR ASSUME RESPONSIBILITY FOR THE ACCURACY OF THIIS INFORMATION. IT IS UNDERSTOOD THAT OTHER ABOVE GROUND AND UNDERGROUND FACILITIES NOT SHOWN ON THE DRAWINGS MAY BE ENCOUNTERED DURING THE COURSE OF THE WORK. THE CONTRACTOR SHALL VERIFY THE TRUE AND CORRECT LOCATION OF EXISTING UTILITIES TO AVOID DAMAGE OR DISTURBANCE. THE CONTRACTOR SHALL REPAIR ALL DAMAGED UTILITIES IMMEDIATELY. 6. CONSTRUCTION STAKING THE CONTRACTOR WILL PROVIDE ALL CONSTRUCTION STAKING ON THIS PROJECT INCLUDING THE PREPARATION OF COMPLETE AS —BUILT RECORDS. 7. CONTRACTOR INITIATED CHANGES CONTRACTOR INITIATED CHANGES SHALL BE SUBMITTED IN WRITING TO THE ENGINEER FOR APPROVAL PRIOR TO FABRICATION CR CONSTRUCTION. 8. MAINTAINING SERVICE THE CONTRACTOR SHALL MAINTAIN SEWER SERVICE TO ALL EXISTING CUSTOMERS ON THE LAKE LINE AT ALL TIMIES. THE CONTRACTOR SHALL NOTIFY THE CITY A MINIMUM OF 48 HOURS IN ADVANCE OF ANY PLANNED DISRUPTION OF THE EXISTING WASTEWATER COLLECTION AND FLUSHING SYSTEM'S. MAXIMUM DOWN TIME OR DISRUPTION OF FLUSHING STATION TO INSTALL BYPASS FLUSHING SYSTEM IS 8 HOURS,. 9. MAINTAINING FLUSHING STATION OPERATION DURING CONSTRUCTION THE CONTRACTOR SHALL PROVIDE FOR NORMAL OPERATION, AND PROVIDE ACCESS TO T1HIE FLUSHING STATION UNTIL A TEMPORARY FLUSHING SYSTEM IIS OPERATIONAL AND APPROVED IN WRITING BY THE OWNER. THE CONTRACTOR SHALL SUBMIT A TEMPORARY FLUSHING PLAN IN WRITING TO THE OWNER FOR APPROVAL THAT DETAILS THE PROPOSED METHOD -OF KEEPING THE LAKE LINE FLUSHED DURING THE CONSTRUCTION WORK. THE TEMPORARY FLUSHING PLAN SHALL INCLUDE THE FOLLOWING INFORMATION: A. MATERIALS LIST B. SEQUENCE OF EVENTS LIST AND SCHEDULE C. CAPACITY OF SYSTEM THE TEMPORARY FLUSHING SYSTEM SHALL MEET THE FOLLOWING MINIMUM REQUIREMENTS: A. PUMPING CAPACITY BETWEEN 300 AND 350 GPM AT 10 FEET OF TDH. B. DISCHARGE OF PUMP SHALL DISCHARGE AT POINT IDENTIFIED IN THE PLANS. C. CONTRACTOR SHALL PROVIDE MEANS FOR WORKING IN THE WETWELL AS NECESSARY TO INSTALL THE TEMPORARY FLUSHING STATION. D. A PRESSURE RELIEF SYSTEM TO PREVENT THE PUMP FROM OVER— PRESSURIZING THE SYSTEM. THE PRESSURE RELIEF SYSTEM SHALL STOP THE PUMP IN A HIGH PRESSURE CONDITION. THE PRESSURE CONDITION SHALL BE SET IN THE FIELD. E. THE FLUSHING SYSTEM SHALL OPERATE FOR 1 HOUR TWICE A DAY AT THE FOLLOWING TIMES: 9 A.M. AND 4 P.M. INSTALLATION OF THE TEMPORARY PUMPING SYSTEM SHALL NOT BEGIN UNTIL WRITTEN APPROVAL HAS BEEN OBTAINED FROM THE OWNER. THE TEMPORARY FLUSHING SYSTEM SHALL NOT BE TAKEN OUT OF SERVICE UNTIL THE PROPOSED LIFT STATION HAS BEEN COMPLETED, TESTED, AND APPROVED IN WRITING BY THE OWNER. 10. DEWATERING AND SHORING IT HAS BEEN ANTICIPATED DURING THE DESIGN PHASE THAT DEWATERING WILL BE REQUIRED DURING THE IMPROVEMENTS TO STABILIZE THE SOILS FOR CONSTRUCTION. THE CONTRACTOR SHALL BE RESPONSIBLE FOR DEWATERING AND SHORING DESIGN. 11. DAILY CLEANUP THE CONTRACTOR SHALL CLEANUP ALL AREAS AFFECTED BY CONSTRUCTION ACTIVITIES ON A DAILY BASIS TO THE SATISFACTION OF THE OWNER. THIS INCLUDES REMOVAL OF ALL DUST, MUD, ROCKS, ASPHALT DEBRIS, AND REFUSE FROM STREETS, SIDEWALKS, DRIVEWAYS, AND ANY OTHER AREAS AFFECTED BY THE CONSTRUCTION ACTIVITIES. FAILURE TO CLEANUP TO THE SATISFACTION OF THE OWNER WILL NECESSITATE A SHUTDOWN OF THE PROJECT UNTIL CLEANUP IS PROPERLY PERFORMED. 1,2. THRUST BLOCKING AND JOINT RESTRAINT THRUST BLOCKING OR APPROVED JOINT RESTRAINT SYSTEMS SHALL BE PROVIDED FOR ALL TEES, BENDS, DEAD—ENDS, AND CROSSES, AND SHALL COMPLY WITH THE STANDARD THRUST BLOCKING DETAILS AND RESTRAINT SYSTEMS AS INDICATED IN THE PLANS AND SPECIFICATIONS. THRUST BLOCKS SHALL BE SIZED BASED ON THE FITTING TO BE BLOCKED AND SOIL TYPE ENCOUNTERED AT EACH LOCATION. IF CONFLICTING UTILITIES PREVENT THE USE OF A THRUST BLOCK IN COMPLIANCE WITH THE STANDARD DETAIL, THE CONTRACTOR SHALL INSTALL ALTERNATIVE THRUST RESTRAINT AS APPROVED BY THE ENGINEER. 13. SHOP DRAWINGS DRAWINGS FOR REINFORCING STEEL, PRECAST CONCRETE, CAST —IN —PLACE CONCRETE, AND STRUCTURAL STEEL SHALL BE SUBMITTED TO THE ENGINEER FOR REVIEW PRIOR TO FABRICATION OF THESE ITEMS. DIMENSIONS AND QUANTITIES ARE NOT REVIEWED BY THE ENGINEER. THE PURPOSE OF PROVIDING SHOP DRAWING SUBMITTALS TO THE ENGINEER BY THE CONTRACTOR IS TO DEMONSTRATE TO THE ENGINEER THAT THE CONTRACTOR UNDERSTANDS THE DESIGN CONCEPT BY INDICATING WHICH MATERIALS THEY INTEND TO FURNISH AND INSTALL AND BY DETAILING THE FABRICATION kNO INSTALLATION METHODS THEY INTEND TO USE. IF DEVIA3I10INS, DISCREPANCIES, OR CONFLICTS BETWEEN SHOP DRAWING SUBMITTALS AND THE CONTRACT DOCUMENTS ARE DISCOVERED, EITHER PRIOR TO OR AFTER SHOP DRAWING SUBMITTALS ARE PROCESSED BY THE ENGINEER, THE DESIGN DRAWINGS AND SPECIFICATIONS SHALL CONTROL AND SHALL BE FOLLOWED. 14. EROSION AND SEDIMENTATION ! CONTROL THE IMPLEMENTATION OF THE EROSION AND SEDIMENTATION CONTROL (ESC) PLAN AND THE CONSTRUCTION, MAINTENANCE, REPLACEMENT, AND UPGRADING OF THESE ESC IFACILITIES IS THE RESPONSIBILITY OF THE CONTRACTOR UNTIL ALL CONSTRUCTION IS APPROVED. THE BOUNDARIES OF THE CLEARING LIMITS SHOWN ON THESE PLANS SHALL BE CLEARLY FLAGGED IN THE FIELD PRIOR TO CONSTRUCTION. DURING THE CONSTRUCTION PERIOD, NO DISTURBANCE BEYOND THE FLAGGED CLEARING LIMITS SHALL BE PERMITTED. THE FLAGGING SHALL BE MAINTAINED BY THE CONTRACTOR' FOR THE DURATION OF CONSTRUCTION. THE ESC FACILITIES SHOWN ON THESE PLANS MUST BE CONSTRUCTED IN CONJUNCTION WITH ALL CLEARING AND GRADING ACTIVITIES, AND IN SUCH A MANNER AS TO INSURE THAT SEDIMENT LADEN WATER DOES NOT ENTER THE LAKE. THE ESC FACILITIES SHOW ON THESE PLANS ARE THE MINIMUM REQUIRED FOR ANTICIPATED SITE CONDITIONS DURING DRY WEATHER. DURING THE CONSTRUCTION PERIOD, THESE ESC FACILITIES 'SHALL BE UPGRADED (E.G., ADDITIONAL SUMPS, RELOCATION OF DITCHES AND SLIT FENCES, ETC.) AS NEEDED FOR ACTUAL WEATHER CONDITIONS AND UNEXPECTED STORM EVENTS. THE ESC FACILITIES SHALL BE INSPECTED DAILY BY THE CONTRACTOR AND MAINTAINED AS NECESSARY TO ENSURE THEIR CONTINUED FUNCTION. WHERE STRAW MULCH FOR TEMPORARY EROSION CONTROL IS REQUIRED, IT SHALL BE APPLIED AT A MINIMUM THICKNESS OF TWO INCHES. 15, CONSTRUCTION LIMITS CONSTRUCTION LIMITS ARE SHOWN ON THE PLANS. ALL CONSTRUCTION ACTIVITY IS TO BE WITHIN THESE LIIAITS. (CONTRACTOR IS TO COORDINATE WITH THE TOWN IF ADDITIONAL AREA FOR MATERIAL STORAGE IS NEEDED. Ll ROLL 2 0.� I i I i REFERENCE NOTES REFERENCE NUMBER REFERENCE IMWMIBER X X DRAWING NUM OF SEC110N 0 DRAWING NUMBER WHERE 00 SECTION IS IfAKEN PIPE LENGTH MEASUREMENTS P'IPELENGTHS CALLED OUT ARE MEASURED AS F01 FLANGE x FLANGE (FLxFL) PIPE i' PIPE LEINGPI ----I MEASURED FROM FACE OF FLANGE TO FACE OF FLANGE. FLANGE x PLAIN END (FLxPE) PIPE III PIPE LENGTH -- ---- -+ MEASURED FROM FACE OF FLANGE TO CENTER OF' (FITTING. PLAIN END x PLAIN END (PExPE) PIIPE PIPE LENGTH MEASURED FROM CENTER OF FITTING TO CENTER OF' FITTING. VA: RESTRAINED JOINT x RESTRAINED PIPE LENGTH JOINT (RJxRJ), PIPE MEASURED FROM CENTER OF FITTING TO CENTER OF FITTING. 5- 215 8'7of REMISED TO CONFORM TO CONSTRUCTION RECORDS MARK MILLER, P.E. 1/24 fO6 RH2 ENGINEERING INC. DATE I f i VICINITY MAP ---------- . j ,,1 w MISTY COVE LIFT STATION REPLACE ENTRANCE HATCH . ��� sr �r ,r !V «ST born■ >w sr l w w F�IO� PIAt � /V m >11" .41 rilloffii■ I LAKE WASHINGTON N 37M N 3fM ST /V E, N 3!N STJ �I r (�J N 340 ST M .11M S7'� � v► 13e N k4 ST ST 4 3�1 N 3bM Sr N . N 3w N 31d ST ►[ 34t ST Y tam MN N �M ST, 1 N20ST N K .�y...,..,...,.,,,. _omo Av ,I fiJp"' LAKE WASHINGTON g� FLUSHING STATION NE ma si sr •'� PUMPING AND 0 MECHANICAL �` ��� $7 zw �.� NE � O rE i0w IMPROVEMENTS \ I _ r1 5\ 1tw � tlf� (_'A tl� 1 d NN' 7w sl Z"ll -If; M 1 �- k NE in s eaat� � 1 ' s ( t--- N AI 51 I = Lftst pppl�� SCALE 1' = 2000' CONVICT PERSONNEL INDEX CITY OF RENTON 'MIKE BENgT X425 430-7206 CITY OF RENTON DAVE CHRISTENSEN (445 430 -7212 RH2 ENgNEERING MARK MILLER (425 951 -5372 RH2 ENGINEERING ANDREA MAST ('425) 951 -5416 RH2 ENGINEERING giR15 ROBERTS (:425) 951 -5358 PIPE LENGTH MEASUREMENTS P'IPELENGTHS CALLED OUT ARE MEASURED AS F01 FLANGE x FLANGE (FLxFL) PIPE i' PIPE LEINGPI ----I MEASURED FROM FACE OF FLANGE TO FACE OF FLANGE. FLANGE x PLAIN END (FLxPE) PIPE III PIPE LENGTH -- ---- -+ MEASURED FROM FACE OF FLANGE TO CENTER OF' (FITTING. PLAIN END x PLAIN END (PExPE) PIIPE PIPE LENGTH MEASURED FROM CENTER OF FITTING TO CENTER OF' FITTING. VA: RESTRAINED JOINT x RESTRAINED PIPE LENGTH JOINT (RJxRJ), PIPE MEASURED FROM CENTER OF FITTING TO CENTER OF FITTING. 5- 215 8'7of REMISED TO CONFORM TO CONSTRUCTION RECORDS MARK MILLER, P.E. 1/24 fO6 RH2 ENGINEERING INC. DATE I f i VICINITY MAP ---------- . j ,,1 w MISTY COVE LIFT STATION REPLACE ENTRANCE HATCH . ��� sr �r ,r !V «ST born■ >w sr l w w F�IO� PIAt � /V m >11" .41 rilloffii■ I LAKE WASHINGTON N 37M N 3fM ST /V E, N 3!N STJ �I r (�J N 340 ST M .11M S7'� � v► 13e N k4 ST ST 4 3�1 N 3bM Sr N . N 3w N 31d ST ►[ 34t ST Y tam MN N �M ST, 1 N20ST N K .�y...,..,...,.,,,. _omo Av ,I fiJp"' LAKE WASHINGTON g� FLUSHING STATION NE ma si sr •'� PUMPING AND 0 MECHANICAL �` ��� $7 zw �.� NE � O rE i0w IMPROVEMENTS \ I _ r1 5\ 1tw � tlf� (_'A tl� 1 d NN' 7w sl Z"ll -If; M 1 �- k NE in s eaat� � 1 ' s ( t--- N AI 51 I = Lftst pppl�� SCALE 1' = 2000' 741 SCANNED MAY 0 12406 .6 M DRAWiNG INDEX WIRES 19 SHEET DRAWING NAME FILE NAME DRAWING NUMBER 1 GENERAL INFORMATION AND COVER SHEET {lSH —GO1 G01 2 EXISTING SITE PLAN AND CONSTRUCTION PLAN FLSFI —DOt C01 3 PROPOSED SITE PLAN FLSH -002 CO2 4 PROPOSED MECHANICAL PLAN FLSH —pQ3 MOt 5 ELECTRICAL LEGEND FLSH —pQ4 E01 6 PROPOSED ONE- LINE DIAGRAM FLSFI -005 E02 7 MECHANICAL AND CONSTRUCTION DETAILS FLSH —A101 M02 8 MISTY COVE STATION ENTRANCE HATCH REPLACEMENT LS— P— SIiEPLAN CO3 741 SCANNED MAY 0 12406 .6 M 4 N O H 1 0 © z k�4 Q Q a� H °z q To + 2 JET WIRES 19 SIC1199 f /42/W m 1ORAL ' [rWWS 7 S SICNIP 10142104 0%. Y C) i f + ra N� Z 0 W F— W Q _ J Lu Z Im >0 0 Q 0 1 0 z W o1� AU U . z cc 0 Z a Q 0 Q a u. L) U) z J um < -J W z .O W O 0 N i ENGINEERS PLANNER S SCIENTI5TS Nw RH2 ENGINEERING, INC. BELLINGHAM OFFICE ;�+ - BOTHELL OFFICE EAST WENATCHEE OFFICE PORT ORCHARD OFFICE SCALE: SHOWN gm 6;;� 10 1" 2" DRAWING IS NOT TO SCALE IF BAR IS NOT 2" LONG PLOT. T D%% No. G01 E� CMR RLWxo MLM WE JAN 31, 2006 91U T NO 1 8 aAm REN Am NO. 102 -036 FWAW FLSH — G01 4 N O H 1 0 © z k�4 Q Q a� H °z q