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HomeMy WebLinkAboutContract 23-17 E. Parkway detension basin (2)City ofv Oshkosh Addendum No. 2 City Contract 23-17 EAST PARKWAY AVENUE WATERSHED DETENTION BASIN - CONSTRUCTION TO ALL CONTRACTORS: You are directed to make the following changes to City Contract 23-17: REPLACE the 23-17 Plan Set with the Revised 23-17 Plan Set, which is attached to this Addendum. If you have any questions regarding this Addendum, please contact me at (920) 236-5065 between the hours of 8:00 a,m. and 4:00 p.m. weekdays or Jeremy Thomas of AECOM at (847) 702-6639 or by email at ieremy.thomas@aecom.com. Sincerely, 9kvv�-- Alyssa Deckert, P.E. Civil Engineering Supervisor AD/tlt I:\Engineering\2021-2030Contracis\2023CONTIZACTS\23-17EParkwayDet Page 1 of 1 Basin\ Project_lnformation\Contract Info\ Addendum\ Addendum 02\23-17Addendum #2 8-8-23,docx City Hall, 215 Church Avenue P.O. Box 1130 Oshkosh, WI 54903-1130 http://www.cl.oshkosh.W.us i CONSTRUCTION LIMITS (TYP.) :1 0 X n o D` O o 'D m � m D G m 0 I 1 SAN SA Ss 15. INLET PIPE —t PRIMARY OUTLET SECONDARY OUTLET - FO PROJECT CITY CONTRACT 23-17 EAST PARKWAY AVENUE WATERSHED DETENTIOP BASIN - CONSTRUCTION CLIENT CITY OF OSHKOSH 215 CHURCH AVENUE OSHKOSH, WI54903 920-236-5065 tel www.ci.oshkosh.wi.us CONSULTANT AECOM 2985 SOUTH RIDGE ROAD, SUITE B GREEN BAY, WI 54304 920A68-1978 tel www.aecom.com SUB CONSULTANT REGISTRATION ISSUEIREVISION 1 O81072023 ADDENDUM 1 0 07242023 ISSUED FOR BID VR DATE DESCRIPTION PROJECT NUMBER 60548904 SHEET TITLE RESTORATION PLAN SHEETNUMBER C-9 11 OF 14 �—� 8'-0" _WER 4'-0" �24" STORM SEWER an— SEE REINFORCING DETAIL S-1 JCI.VI ILIAKT UU I LC I S I KUL; I UKt If LAN -1 SCALE: 1'=1' N J i K H U tr H to 0 O T 9 J a 0 0 0 iEWER EL 750.92 L 749.92 L 748.92 8'-0" x 8'-0" SECTION A SCALE: 1'=1' 61 2'-0" x 2'-0" CORNER BARS 2'-0" x 2'-0" CORNER BARS IN WALLS @ 12"O.C., TYP IN FTG, T&S, TYP �#4 @ 12" O.C., TYP 2'-0" LAP, TYP� STORM SEWER (TYP) u I 2" CLR (fYP) 8'-0" x 8'-0" FTG W/ I #4 @ 12" O.C., EA. WAY, T&B ALL BARS TO HAVE STD 90" HOOKS. REFER TO SEC. B FOR MORE DETAILS NOTES: I. FOOTING REINFORCEMENT NOT SHOWN FOR #4 @ 12" O.C., EA. CLARITY. FACE, TYP 2. CONCRETE USED FOR CONSTRUCTION OF THE SECONDARY OUTLET STRUCTURE SHALL BE CLASS A (fc= 4,500 PSI.). DUTLET STRUCTURE PLAN REINFORCEMENT DETAILS 2 z Feet SCALE: 1"=V (SIKASWELL 594, 1"x'j "), TYP )2 TO 90" HOOK @ BOT, NOTES: F` REFER TO DETAIL 8 ON S-3 FOR SECTION B- REINFORCEMENT DETAILS 1 REINFORCEMENT AT WALL OPENING.ADDITIONAL SCALE: I'll A=COM PROJECT CITY CONTRACT 23-17 EAST PARKWAY AVENUE WATERSHED DETENTIOP BASIN - CONSTRUCTION CLIENT CITY OF OSHKOSH 215 CHURCH AVENUE OSHKOSH, WI 54903 920-236-5065 tel www.ci.oshkosh.W.us CONSULTANT AECOM 2985 SOUTH RIDGE ROAD, SUITE B GREEN BAY, WI 54304 920-468-1978 tel www.aecom.com SUB CONSULTANT REGISTRATION ISSUEIREVISION 1 08/072023 ADDENDUM 1 0 07242023 ISSUED FOR BID VR DATE DESCRIPTION PROJECT NUMBER 60548904 SHEET TITLE STRUCTURAL DETAILS SHEET NUMBER S-1 12 OF 14 FK N mil.11111111 "II V DIA. OLE MODIFIED BELL PIPE) LONGITUDINAL SECTION o O V DIA. —12" �12" f HOLE L TO BE DETERMINED BY MANUFACTURER 2" MIN. THREADED PAIN. 1"DIA 2" MIN. 1 THREADED 3!4" MIN. � Y (TONGUE & GROOVE PIPE) OPTIONAL H GAP CUT EX NUT WASHER NOTES: EYE BOLT AND TIE ROD EYE BOLT 1) SEE CITY STANDARD SPECIFICATIONS FOR UNLESS OTHERWISE STATED IN THE CONTRACT, THE MATERIALS, LOCATION OF JOINT TIES FOR CIRCULAR AND FABRICATIONS AND WORK NECESSARY TO TIE REINFORCED BOX PIPE. CONCRETE PIPE WILL BE CONSIDERED INCIDENTAL TO OTHER ITEMS OF WORK. 2) TWO EYE BOLTS MAY BE USED WITH A 30" LONG THREADED ROD IN LIEU OF THE 90' 01 CLOF TONGUE AND GROOVE OR BELL AND SPIGOT JOINTS. BENT TIE ROD. O3 HOLES SHALL BE CAST -IN -PLACE OR DRILLED 12" FROM C OF TONGUE AND GROOVE. 3) INSTALL JOINT TIES ON EONWALL AND ® BOLT PROJECTION INSIDE OF PIPE SHALL NOT EXCEED 2". FIRST FIVE UPSTREAM PIP SECTIONS. JOINT TIES DETAIL 3 NOT TO SCALE 760 760 TOP OF WALL 759--EX. 758....-- ___........._..._ 759 ... GROUNDI _--_-_____- ..... ...... _.. . _... .. 757 __—......._—) ".__ .— -� --- --- -_— -_ _ - -- - - E.F. 7 75 --_ _..._.._ ADD (4) #5 @ 4" O.C.. 43"X68" PIPE ADD (4) #5 @ 4" O.C., 756 ___ ',.___-. _ __._______ -_ __ _ } _ _. ADD (2) #5 @ 4" O.C., E.F. 756 N 755 BASIN ELEVATION _.I___...__—_ _- ._. ..___._ .....__ __.._.... �', ....... _- . ADD 2 #6 x4'-0" O _ ___.__._.._--........._ STD 755 AT WALL _ @ 4" O.C., E.F., TYP. TPY. 754 — - d C ! - 754 P d 4 ........ .. 753. .._ —j .2" _CaLR,. 753 4'-0"MIN UNO 0LR.. 752 /CLR q 752 dG 4 . 751 ..a _ .. _ 751 750 4 750 749 d .O __ __ ADD 2 #5 4" O.C., E.F.3"CLR. SEE TYPICAL WALL SECTION — FOR FTG SIZE AND REINF. 749 748 -...._---- ---- '--- _ — 748 BOTTOM OF WALL FOOTING y7 7 0+17 0+ 0 0+30 0+40 0+47547 Z a ADDITIONAL WALL REINFORCEMENT AT PIPE PENETRATION Fc I SCALE: 1"=2' 1, J PIPE INSIDE OF STRUCTURE _ TROWELLED ON 6., BENTONITE WATERPROOFING 12' BONDED SOLID MASONRY BULKHEAD (BONDED HORIZONTALLY AND ACROSS THICKNESS) —TIGHTLY PACKED MORTAR BETWEEN MASONRY AND INSIDE OF CONNECTING SEWERALLAROUND CLEAN SURFACE RACE ALL_/ CONTACT CLENANDOUG ALL AROUND PIPE BULKHEAD DETAIL %41 NOT TO SCALE EXISTING GRADE 12" DIA. X12" HE WELL PROTECT GRAVITY SEWER PLUG AT END OF LINE - 4" REMOVABLE THREADED PLUG 4" SCH. 40 PVC PVC CLEANOUT DETAIL 5 NOT TO SCALE _ TO ANGLE @ V-6" O.C. (3 MIN PER ANGLE) GRATING SUPPORT DETAIL 6 NOT TO SCALE FLOW PVC WYE ✓. STEL GRATING (MIN. 250 PSF CAPACITY) I GALV. STEEL ANGLE (LLH, TYP) AL=com PROJECT CITY CONTRACT 23-17 EAST PARKWAY AVENUE WATERSHED DETENTIOP BASIN - CONSTRUCTION CLIENT CITY OF OSHKOSH 215 CHURCH AVENUE OSHKOSH, WI 54903 920-236-5065te1 www.cLoshkosh.wi.us CONSULTANT AECOM 2985 SOUTH RIDGE ROAD, SUITE B GREEN BAY, WI 54304 920-468-1978 tel www.aecom.com SUB CONSULTANT REGISTRATION ISSUEIREVISION 1 ��D)Alj. ADDENDUM 1 1 0 S ED FOR BID VRDESCRIPTION PROJECT NUMBER 60548904 SHEET TITLE STRUCTURAL DETAILS SHEET NUMBER S-2 13 OF 14 GENERAL STRUCTURAL NOTES GENERAL 1. THE GENERAL STRUCTURAL NOTES AND STANDARD STRUCTURAL DETAILS APPLY TO THE ENTIRE PROJECT UNLESS SPECIFICALLY STATED OTHERWISE. DESIGN CRITERIA 1. DESIGNED ACCORDING TO AMERICAN ASSOCIATION OF STATE HIGHWAY AND TRANSPORTATION OFFICIALS (AASHTO) LRFD BRIDGE DESIGN SPECIFICATION, 8TH ED., 2017 AND ACI 318.14, 2. STRUCTURES TO BE CONSTRUCTED IN ACCORDANCE WITH STANDARD SPECIFICATIONS FOR CITY OF OSHKOSH, W'I, LATEST EDITION AND THE WISCONSIN COMMERCIAL BUILDING CODE, LATEST EDITION. FOUNDATIONS 1. ASSUMED ALLOWABLE SOIL BEARING CAPACITY 3000 PSF 2. PLACE FOOTINGS ON NATURAL UNDISTURBED EARTH OR STRUCTURAL FILL. 3. PLACE FILL SIMULTANEOUSLY ON BOTH SIDES OF FREE-STANDING STRUCTURES. 4. PLACE FILL AGAINST FOUNDATION WALLS ENCLOSING INTERIOR SPACES ONLY AFTER CONSTRUCTION SUCH AS CROSS WALLS, BEAMS, AND SLABS ARE IN PLACE TO BRACE WALL AND SUCH CONSTRUCTION HAS REACHED ITS DESIGN STRENGTH. 5. TO MINIMIZE LATERAL FORCES AGAINST THE STRUCTURE DUE TO WEDGING ACTION OF THE SOIL, BEGIN COMPACTION OF EACH LAYER AT THE STRUCTURE WALL. CONCRETE 1. REINFORCING STEEL: A. DEFORMED BARS ASTM A615-GRADE 60 2. UNLESS OTHERWISE SHOWN PROVIDE COVER FOR REINFORCEMENT AS FOLLOWS: A. CAST AGAINST: 1. EARTH 3 INCHES B. EXPOSED TO EARTH, WEATHER OR WATER: 1. SLABS 21NCHES 2. WALLS 21NCHES 3. BASE SLAB: A. FORMED SURFACES 21NCHES 3. PLACE DOWELS BEFORE PLACING CONCRETE. 4. DO NOT WELD OR FIELD BEND REINFORCING BARS, EXCEPT AS APPROVED BY ENGINEER. 5. CONCRETE: A. CONCRETE BENCHES AND WHERE NOTED: CLASS B Fc=3000 PSI B. ALL LOCATIONS EXCEPT WHERE CLASS B IS SPECIFIED: CLASS Fc=4500 PSI 6. PROVIDE WATERSTOP IN CONSTRUCTION JOINTS IN LOCATIONS SHOWN ON THE DRAWINGS. 7. UNLESS OTHERWISE NOTED, CONSTRUCTION JOINTS SHOWN ARE OPTIONAL. CONSTRUCTION JOINTS NOT SHOWN ON THE DRAWINGS SHALL BE APPROVED 3 BY ENGINEER. 8. BEFORE CONCRETE IS PLACED, CONSTRUCTION JOINTS SHALL BE CLEANED AND LAITANCE REMOVED AND SURFACE WETTED. STANDING WATER SHALL BE REMOVED. 0 9. CONSTRUCTION JOINTS SHALL HAVE ROUGHENED SURFACES WITH AN AMPLITUDE OF 1/4" MIN. 10. INSTALL EXPANSION JOINTS AT DESIGNATED LOCATIONS OF WALL STEM AND AS DETAILED j ON DRAWINGS. i.... 11. CHAMFER EXPOSED EDGES OF CONCRETE 3/4" UNLESS OTHERWISE NOTED. O 12. HYDROPHILIC WATERSTOP SHALL BE HYDROTITE CJ•1020-2K BY GREENSTREAK, INC. OR F ULTRASEAL MC-2010M BY ADEKA ULTRA SEAL. w METALS X 0 1. STRUCTURAL STEEL SHAPES: m� A. W SHAPES ASTM A992, 50 KSI y. B. L SHAPES ASTM A36 o C. PLATES, GRATING AND BARS ASTM A36 w D. STAINLESS STEEL / 2. CONNECTION BOLTS FOR STEEL MEMBERS ASTM A325 i 3. WELD STRUCTURAL STEEL WITH E70 ELECTRODES IN ACCORDANCE WITH A.W.S. REQUIREMENTS. MISCELLANEOUS 1. VERIFY PERTINENT EXISTING CONDITIONS AND DIMENSIONS BEFORE STARTING CONSTRUCTION AND/OR FABRICATION. 7ER ON EXPOSED WALLS ONLY CONSTRUCTION JOINT DETAIL $ NOT TO SCALE ePLAIN BAR MINIMUM REINFORCEMENT SPLICE AND ANCHORAGE LENGTH (INCHES) BAR SIZE AR LAPPED SPLICE DEVELOPMENT STANDARD COMPRESSION ZE [.ETRIC LENGTH LENGTH HOOK LAP LENGTH US SIZE DEVELOPMENT m TOP BARS OTHERS TOP BARS OTHERS LENGTH 3 10 25 19 19 15 6 12 4 13 133 25 125 19 7 1 15 5 16 41 31 31 24 9 19 6 19 49 37 37 29 11 23 7 22 71 54 54 42 12 27 8 25 81 62 62 48 14 30 NOTES: 1. TOP BARS ARE HORIZONTAL BARS SO PLACED THAT MORE THAN 12" OF CONCRETE IS CAST IN THE MEMBER BELOW THE BAR. 2. FOR BARS SPACED LESS THAN 6 BAR DIAMETERS OC INCREASE LENGTH BY 25%. 3. WHEN LAPPING TWO DIFFERENT SIZE BARS USE THE LAP LENGTH OF THE SMALLER BAR UNLESS NOTED OTHERWISE. 4. DEVELOPMENT LENGTH IS MINIMUM LENGTH OF EMBEDMENT FOR STRAIGHT DOWELS WHERE END HOOK IS NOT SHOWN, UNLESS OTHERWISE NOTED. 5. COMPRESSION LAP LENGTH FOR VERTICAL COLUMN BARS ONLY. 6. HOOKS SHALL BE ACI STANDARD UNLESS OTHERWISE NOTED. -0' EF 145 EF SEE NOTE: TES RECTANGULAR OPENING CIRCULAR OPENING NOTES: 1. THESE DETAILS APPLY TO ALL OPENINGS LESS THAN 4'-0' IN CONCRETE WALLS AND SLABS WHEN LARGEST OPENING DIMENSION IS GREATER THAN TWO TIMES SECTION THICKNESS OR GREATER THAN REINFORCING SPACING IN THE SECTION, UNLESS OTHERWISE INDICATED IN THE DRAWINGS. 2. THE AREA OF ADDITIONAL REINFORCING REQUIRED IN EACH FACE ON EACH SIDE OF AN OPENING SHALL EQUAL OR EXCEED ONE-HALF OF THE AREA OF THE INTERCEPTED BARS IN EACH FACE, IN EACH DIRECTION, RESPECTIVELY WITH A MINIMUM OF 145 BAR EACH FACE. 3. PLACE THE ADDED BARS IN THE SAME LAYERS AS THE WALL OR SLAB REINFORCING, 4. WALL REINFORCEMENT FIELD CUT 2" CLEAR AROUND OPENING (TYP.) 5. LD=EMBEDMENT LENGTH. SEE e ADDITIONAL REINFORCEMENT AT OPENINGS IN WALLS AND SLABS g NOT TO SCALE SPACING OF REINF TO MATCH 21Z REINF SIZE AND SPACING OF REINF TO MATCH MAIN HORIZ REINF 90°CORNER-2 LAYERS T-INTERSECTION-2 LAYERS NOTES: 1. DETAIL APPLIES UNLESS NOTED OTHERWISE HORIZONTAL REINFORCEMENT DETAIL 10 NOT TO SCALE 2" CLR., (TYP.) PROPOSED �i-10" 1"6 SURFACE GRADE TOPSOIL -' -I - GEOTEXTILE FABRIC '`-fix.,. STONE FORMLINER (TYP.) y FREE DRAINING 'GRANULAR MATERIAL WALL STEM SEE SHEET C-5 .9��-Lrt 6" PERFORATED PVC #5 @12' O.C. EA. FACE, G� 2" 2 " BPg\N I - �'4 q. ___-CONT (2'•7" LAP AT 11 EXTEND A MIN. 1'-0" @ #5 + r" 12" O.C. W/90" BEND BELOW GRADE @ BOTT (SEE NOTE 2) 'X" SEE TABLE T/FOOTING EL. 754.0 2" CLR. (12) #4 CONT. L 3"CUR. r. 3" MUD MAT PROVIDE 4"Wxt'H KEYWAY AT CENTER OF WALL, FULL LENGTH SECTION TIWALL ELEV. HEEL WIDTH "X" A (SOUTH) VARIES 758.0 3'-0" TO 759.0 VARIES 759.0 B TO 760.0 T-0" C (NORTH) 760.0 2'-0" Y1 NOTES: 1. CONCRETE USED FOR CONSTRUCTION OF THE RETAINING WALL SHALL BE CLASS A (F'c = 4,500 PSI). 2. ALL HORIZONTAL AND VERTICAL REINFORCING STEEL BARS ARE TO BE CONTINUOUS, EXCEPT AT LOCATIONS OF DESIGNATED VERTICAL EXPANSION JOINTS. 3. VERTICAL BARS WITH 90' BEND IN POSITION WITH 2" CLEAR COVER DURING CONCRETE PLACEMENT. 4. SECURE VERTICAL BARS IN POSITION WITH 2" CLEAR COVER DURING CONCRETE PLACEMENT. 5. PROVIDE TWO 1.5" WIDE EXPANSION JOINTS IN THE RETAINING WALL STEM ON THE EAST AND WEST SIDES OF THE BASIN. SPACE THE JOINTS AT 205 FT. FROM THE BASIN CORNERS.. 6. FORMLINER PATTERN: FIELDSTONE BY KARLSON FORMING SPECIALTIES INC. OR APPROVED EQUAL. COLOR TO PROVIDE NATURAL STONE Q7. MAXIMUM ALLOWABLE SURCHARGE WITHIN 15 FEET OF THE TOP OF WALL IS 10 RETAINING WALL TYPICAL SECTION NTS :AP WALL STEM EXPANSION JOINT 12 NOT TO SCALE FILTER FABRIC FASTENED TO BACK OF WALL 6" PVC DUMBELL WATERSTOP B(FULL HENTER� BULB (FULL HEIGHT) STONE w m CLOSED CELL BACKER ROD (1'ro) EXPANSION JOINT DETAIL 13 NOT TO SCALE CONC. NOTES: 1. SPACE JOINTS AT 40'-0" MAXIMUM. 2. HORIZONTAL REINFORCING TO REMAIN CONTINUOUS AT JOINTS. RETAINING WALL CONSTRUCTION JOINT DETAIL 14 NOT TO SCALE F. A PROJECT CITY CONTRACT 23-17 EAST PARKWAY AVENUE WATERSHED DETENTIOI` BASIN - CONSTRUCTION CLIENT CITY OF OSHKOSH 215 CHURCH AVENUE OSHKOSH, VVI 54903 920-236-5065 tel www.ci. oshko sh. wi. Us CONSULTANT AECOM 2985 SOUTH RIDGE ROAD, SUITE B GREEN BAY, WI 54304 920468-1978 tel www.aeoom.00m SUB CONSULTANT REGISTRATION ISSUE/REVISION 1 0//072023 ADDENDUM 1 1 0 2 /2 S OR BID UR DATE DESCRIPTION PROJECT NUMBER 60548904 SHEET TITLE STRUCTURAL DETAILS SHEET NUMBER S-3 14 OF 14