A d d e n d u m Iowa Department of Transportation Date of Letting: April 18, 2017 Office of Contracts Date of Addendum: April 6, 2017 B.O. Proposal ID Proposal Work Type County Project Number Addendum 160 57-C057-126 HMA PAVEMENT WIDENING / HMA RESURFACING LINN FM-C057(126)--55-57 18APR160A01 Make the following changes to the PROPOSAL SCHEDULE OF PRICES: Change Proposal Line No. 0280 2435-0600020 MANHOLE ADJUSTMENT MAJOR: From: 8.000 EACH To: 9.000 EACH Change Proposal Line No. 0520 2599-9999005 (EACH’ ITEM) EXCAVATE AND REBUILD VALVE: From: 5.000 EACH To: 4.000 EACH If the above changes are not made, they will be made as shown here. Replace plan sheets C.01, C.03, C.05, D.02, & D.06 with the attached; Sheet C.01: o Item #28 Manhole Adjustment, Major quantity increased from 8 to 9. o Item #52 Excavate and Rebuild Valve quantity decreased from 5 to 4. Sheet C.03: o Note #15 was added to Cedar Rapids Water Utility Notes to ensure water service was maintained throughout construction. Sheet C.05 o 20” Gate Valve in Manhole at 26+31 is no longer being excavated and rebuilt, only adjusted. This explains the decrease in item #52. o The Water Valve Adjustments table, 4 – 10” Gate Valve adjustments (Stations 56+28, 56+41, 58+49, 58+61) were combined to be consistent with labeling on the D sheets. The table now states 2 adjustments at Station 56+28 and 2 adjustments at Station 58+61. o The 4” Gate Valve at Station 77+81 is not in a manhole, rather the 4” Pressure Reducing Valve is in a manhole. This change was simply reflected in the “Notes” column of the Water Valve Adjustments table. o The Water Manhole Adjustments table, Station 76+85 previously indicated 1 manhole adjustment. The table now indicates 2 manhole adjustments at this station.
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A d d e n d u m
Iowa Department of Transportation Date of Letting: April 18, 2017
Office of Contracts Date of Addendum: April 6, 2017
B.O. Proposal ID Proposal Work Type County Project Number Addendum
160 57-C057-126 HMA PAVEMENT WIDENING /
HMA RESURFACING
LINN FM-C057(126)--55-57 18APR160A01
Make the following changes to the PROPOSAL SCHEDULE OF PRICES:
Change Proposal Line No. 0280 2435-0600020 MANHOLE ADJUSTMENT MAJOR:
From: 8.000 EACH
To: 9.000 EACH
Change Proposal Line No. 0520 2599-9999005 (EACH’ ITEM) EXCAVATE AND REBUILD
VALVE:
From: 5.000 EACH
To: 4.000 EACH
If the above changes are not made, they will be made as shown here.
Replace plan sheets C.01, C.03, C.05, D.02, & D.06 with the attached;
Sheet C.01:
o Item #28 Manhole Adjustment, Major quantity increased from 8 to 9.
o Item #52 Excavate and Rebuild Valve quantity decreased from 5 to 4.
Sheet C.03:
o Note #15 was added to Cedar Rapids Water Utility Notes to ensure water service was
maintained throughout construction.
Sheet C.05
o 20” Gate Valve in Manhole at 26+31 is no longer being excavated and rebuilt, only
adjusted. This explains the decrease in item #52.
o The Water Valve Adjustments table, 4 – 10” Gate Valve adjustments (Stations 56+28,
56+41, 58+49, 58+61) were combined to be consistent with labeling on the D sheets.
The table now states 2 adjustments at Station 56+28 and 2 adjustments at Station 58+61.
o The 4” Gate Valve at Station 77+81 is not in a manhole, rather the 4” Pressure Reducing
Valve is in a manhole. This change was simply reflected in the “Notes” column of the
Water Valve Adjustments table.
o The Water Manhole Adjustments table, Station 76+85 previously indicated 1 manhole
adjustment. The table now indicates 2 manhole adjustments at this station.
o The Water Manhole Adjustments table, Station 104+11 was removed and was added to
the Sanitary Sewer Manhole Adjustment.
o The old Manhole Adjustments table was broken into two separate tables: Water Manhole
Adjustments and Sanitary Sewer Manhole Adjustments
o An intake “depth” column was added to the Proposed Structure Tabulation on Sheet C.05.
D Sheets
o Sheets D.02 and D.06 were revised so their Valve Box Adjustments notes matched the
mentioned changes to Sheet C.05.
ESTIMATED PROJECT QUANTITIES(3 DIVISION PROJECT)
Division 1: LINN COUNTY SECONDARY ROAD DEPARTMENT (100%)
Division 2:LINN COUNTY SECONDARY ROAD DEPARTMENT/CITY OF CEDAR RAPIDS(50%/50%)
Division 3: CITY OF CEDAR RAPIDS (100%)
ItemNo. Item Code Item Unit
QuantitiesEstimated As Built
Division 1 Division 2 Division 3 Total Division 1 Division 2 Division 31 2102-2710070 EXCAVATION, CL 10, RDWY+BORROW CY 10250.000 890.000 550.000 11690.0002 2105-8425015 TOPSOIL, STRIP, SALVAGE+SPREAD CY 3440.000 296.000 186.000 3922.0003 2121-7425020 GRANULAR SHLD, TYPE B TON 5485.000 342.000 73.000 5900.0004 2210-0475105 CHOKE STONE BASE TON 4205.000 348.000 41.000 4594.0005 2210-0475290 MACADAM STONE BASE TON 9304.000 555.000 90.000 9949.0006 2212-5070310 PATCH, FULL-DEPTH REPAIR SY 3528.300 283.200 88.900 3900.4007 2212-5070330 PATCH BY COUNT (REPAIR) EACH 30.000 3.000 1.000 34.0008 2213-6745500 RMVL OF CURB STA 47.760 15.880 1.200 64.8409 2214-5145150 PAV'T, SCARIFICATION SY 24812.000 1188.000 220.000 26220.00010 2303-1041750 HMA HT BASE, 3/4" TON 13680.000 1132.000 134.000 14946.00011 2303-1043500 HMA HT SURF, 1/2", NO FRIC TON 9866.000 902.000 535.000 11303.00012 2303-1258284 ASPH BINDER, PG 58-28H TON 1412.760 122.040 40.140 1574.94013 2401-6745650 RMVL OF EXIST STRUCT LS 1.000 0.000 0.000 1.00014 2402-0425031 GRANULAR BACKFILL TON 1570.000 0.000 0.000 1570.00015 2402-2720100 EXCAVATION, CL 20, RDWY PIPE CULV CY 520.000 0.000 0.000 520.00016 2414-6425420 CONC BARRIER, PARAPET LF 13.000 0.000 0.000 13.00017 2415-2110505 PRECAST CONC BOX CULV, 5'X5' LF 40.000 0.000 0.000 40.00018 2416-1180024 CULV, CONC RDWY PIPE, 24" LF 144.000 0.000 0.000 144.00019 2416-1180030 CULV, CONC RDWY PIPE, 30" LF 36.000 0.000 0.000 36.00020 2416-1180048 CULV, CONC RDWY PIPE, 48" LF 36.000 0.000 0.000 36.00021 2416-1180060 CULV, CONC RDWY PIPE, 60" LF 36.000 0.000 0.000 36.00022 2416-1200236 CULV,LOW CLEAR CONC RDWY PIPE,EQ DIA 36" LF 76.000 0.000 0.000 76.00023 2417-1060054 CULV, CMP RDWY, 54" LF 10.000 0.000 0.000 10.00024 2435-0250700 INTAKE, SW-507 EACH 16.000 0.000 0.000 16.00025 2435-0250800 INTAKE, SW-508 EACH 3.000 0.000 0.000 3.00026 2435-0251224 INTAKE, SW-512, 24" EACH 1.000 0.000 0.000 1.00027 2435-0251230 INTAKE, SW-512, 30" EACH 4.000 0.000 0.000 4.00028 2435-0600020 MANHOLE ADJUSTMENT, MAJOR EACH 0.000 0.000 9.000 9.00029 2502-4388108 INTAKE, STANDPIPE, 8" EACH 1.000 0.000 0.000 1.00030 2502-8215804 SUBDRAIN, TILE, 4" LF 6921.000 1653.000 120.000 8694.00031 2502-8215808 SUBDRAIN, TILE, 8" LF 30.000 0.000 0.000 30.00032 2502-8221304 SUBDRAIN OUTLET, DR-304 EACH 14.000 2.000 0.000 16.00033 2503-0114218 STORM SWR G-MAIN,TRENCHED, RCP 2000D,18" LF 1240.000 0.000 0.000 1240.00034 2503-0114224 STORM SWR G-MAIN,TRENCHED, RCP 2000D,24" LF 1276.000 0.000 0.000 1276.00035 2503-0114230 STORM SWR G-MAIN,TRENCHED, RCP 2000D,30" LF 170.000 0.000 0.000 170.00036 2503-0114236 STORM SWR G-MAIN,TRENCHED, RCP 2000D,36" LF 172.000 0.000 0.000 172.00037 2505-6000000 G'RAIL HEIGHT ADJUSTMENT LF 490.000 0.000 0.000 490.00038 2507-6800061 REVETMENT, CLASS E TON 75.000 0.000 0.000 75.00039 2507-8029000 EROSION STONE TON 28.000 4.000 0.000 32.00040 2510-6745850 RMVL OF PAV'T SY 310.000 0.000 0.000 310.00041 2512-1725156 CURB+GUTTER, PCC, 1.5' LF 6822.000 1573.000 120.000 8515.00042 2518-6910000 SAFETY CLOSURE EACH 10.000 2.000 1.000 13.00043 2527-9263117 PAINTED PAV'T MARK, DURABLE STA 601.980 45.680 31.000 678.66044 2527-9263143 PAINTED SYMBOL+LEGEND, DURABLE EACH 64.000 2.000 4.000 70.00045 2527-9263180 PAV'T MARK RMVD STA 35.500 0.000 0.000 35.50046 2528-8445110 TRAFFIC CONTROL LS 0.890 0.070 0.040 1.00047 2528-8445113 FLAGGER EACH SEE PROPOSAL SEE PROPOSAL SEE PROPOSAL SEE PROPOSAL48 2528-8445115 PILOT CAR EACH SEE PROPOSAL SEE PROPOSAL SEE PROPOSAL SEE PROPOSAL49 2529-5070110 PATCH, FULL-DEPTH FINISH, BY AREA SY 1011.900 0.000 0.000 1011.90050 2529-5070120 PATCH, FULL-DEPTH FINISH, BY COUNT EACH 5.000 0.000 0.000 5.00051 2533-4980005 MOBILIZATION LS 0.890 0.070 0.040 1.00052 2599-9999005 EXCAVATE & REBUILD VALVE EACH 0.000 0.000 4.000 4.00053 2599-9999005 FIRE HYDRANT RELOCATION EACH 0.000 0.000 8.000 8.00054 2599-9999005 VALVE BOX ADJUSTMENT EACH 0.000 0.000 34.000 34.00055 2601-2634100 MULCH ACRE 6.600 0.300 0.400 7.30056 2601-2636044 SEED+FERTILIZE (URBAN) ACRE 6.600 0.300 0.400 7.30057 2602-0000309 PERIMETER+SLOPE SEDIMENT CNTL DEVICE, 9" LF 5337.000 2010.000 1172.000 8519.00058 2602-0010010 MOBILIZATION, EROSION CONTROL EACH 1.000 1.000 1.000 3.000
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SHEET C.01
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ESTIMATED PROJECT QUANTITIES
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MOUNT VERNON ROAD FM-C057(126)--55-57 HMA PAVEMENT WIDENING/HMA RESURFACING, GRADING, PIPE CULVERTS
DWG:S:\PROJECTS\MOUNT VERNON ROAD\2017 GRADING CEDAR RAPIDS TO HWY 13\DWG\PLANS - FM-C057(E48)--55-57.dwgS:\PROJECTS\MOUNT VERNON ROAD\2017 GRADING CEDAR RAPIDS TO HWY 13\DWG\PLANS - FM-C057(E48)--55-57.dwg
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SHEET C.03
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GENERAL INFORMATION AND DETAILS
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MOUNT VERNON ROAD FM-C057(126)--55-57 HMA PAVEMENT WIDENING/HMA RESURFACING, GRADING, PIPE CULVERTS
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OFFICE OF THE LINN COUNTY ENGINEER
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NO.
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1.
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LINN COUNTY WILL BE RESPONSIBLE FOR CONSTRUCTION STAKING. CONTRACTOR SHALL NOTIFY COUNTY 2 WEEKS PRIOR TO NEEDING PLACEMENT OF STAKES. CONTRACTOR SHALL TAKE CARE NOT TO DISTURB OR DESTROY STAKING SET ON PROJECT. IT WILL BE THE CONTRACTORS RESPONSIBILITY TO NOTIFY ALL UTILITIES ON THIS PROJECT, PRIOR TO BEGINNING WORK AS PER ARTICLE 1107.15 OF THE STANDARD SPECIFICATIONS. STANDARD SPECIFICATION SECTIONS ASSOCIATED WITH ITEM CODES SHALL APPLY UNLESS NOTED OTHERWISE. THE CONTRACTOR SHALL DETERMINE THE EXACT LOCATION OF ALL EXISTING UTILITIES BEFORE COMMENCING WORK, AND AGREES TO BE FULLY RESPONSIBLE FOR ANY AND ALL DAMAGES WHICH MIGHT BE OCCASIONED BY THE CONTRACTOR'S FAILURE TO LOCATE AND PRESERVE ANY AND ALL UNDERGROUND UTILITIES. THE CONTRACTOR SHALL VISIT THE SITE AND INSPECT THE PROJECT AREA TO BECOME FAMILIAR WITH THE ACTUAL JOB CONDITIONS PRIOR TO BIDDING AND THE START OF ANY WORK. FAILURE TO VISIT THE SITE SHALL NOT RELIEVE THE CONTRACTOR FROM PERFORMING THE WORK IN ACCORDANCE WITH THESE DRAWINGS THE CONTRACTOR SHALL VERIFY AT THE SITE, ALL DIMENSIONS AND CONDITIONS SHOWN ON THE DRAWINGS, AND SHALL NOTIFY THE ENGINEER OF ANY DISCREPANCIES, OMISSIONS, AND/OR CONFLICT PRIOR TO PROCEEDING WITH THE WORK. CONTRACTOR SHALL CONFINE WORK TO THE ROW AND EASEMENTS. IF THE CONTRACTOR OBTAINS ADDITIONAL EASEMENT FOR THE STORAGE OF EQUIPMENT AND MATERIALS, COPIES OF THE AGREEMENTS WITH THE PROPERTY OWNERS SHALL BE PROVIDED TO THE ENGINEER. CONTRACTOR SHALL SUBMIT A CONSTRUCTION SCHEDULE AND STAGING PLAN TO THE ENGINEER FOR APPROVAL PRIOR TO THE START OF WORK. SUBMITTED SCHEDULE SHALL ADDRESS EROSION CONTROL REQUIREMENTS SPECIFIED IN STANDARD SPECIFICATION 2602. CONTRACTOR SHALL USE EXISTING ENTRANCE CULVERTS AS CONSTRUCTED. LINN COUNTY CREWS TO RELOCATE ENTRANCE CULVERTS AS NEEDED. CONTRACTOR SHALL MAINTAIN ALL ROAD SIGNS THROUGHOUT THE PROJECT. IF A SIGN, BASE, OR SUPPORT NEEDS REPAIRED OR RELOCATED LINN COUNTY CREWS SHALL COMPLETE THE WORK. CONTRACTOR SHALL TEMPORARILY MAINTAIN THE SIGNS UNTIL LINN COUNTY CAN PROVIDE THE PERMANENT SIGNS. MIDAMERICAN ENERGY REQUESTS 3 WEEKS' NOTICE FOR ANY GAS LINES NEEDING TO BE RELOCATED IN THE FIELD. CONTACT GREG WILDEBOUR AT 319-298-5162 (OFFICE) TO COORDINATE ANY CONFLICTS.
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2.
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3.
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4.
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5.
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6.
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7.
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8.
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02-03-14
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LINN
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GENERAL PROJECT NOTES
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NOTE
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04-20-10
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LINN
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STANDARD ROAD PLANS
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NUMBER
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DATE
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TITLE
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THE FOLLOWING STANDARD ROAD PLANS SHALL BE CONSIDERED
DWG:S:\PROJECTS\MOUNT VERNON ROAD\2017 GRADING CEDAR RAPIDS TO HWY 13\DWG\PLANS - FM-C057(E48)--55-57.dwgS:\PROJECTS\MOUNT VERNON ROAD\2017 GRADING CEDAR RAPIDS TO HWY 13\DWG\PLANS - FM-C057(E48)--55-57.dwg
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EC-204
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04/19/16
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PERIMETER AND SLOPE SEDIMENT CONTROL DEVICES
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SW-402
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04/21/09
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RECTANGULAR STORM SEWER MANHOLE
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SW-507
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10/21/14
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SINGLE OPEN-THROAT CURB INTAKE, SMALL BOX
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SW-509
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10/21/14
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DOUBLE OPEN-THROAT CURB INTAKE, SMALL BOX
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TC-202
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04/21/15
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WORK WITHIN 15 FT OF TRAVELED WAY
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TC-213
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04/17/12
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LANE CLOSURE WITH FLAGGERS
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SW-211
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10/16/12
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SPECIAL PIPE CONNECTION FOR STORM SEWER
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SW-102
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10/20/15
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RIGID GRAVITY PIPE TRENCH BEDDING
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SW-602
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04/21/15
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CASTINGS FOR STORM SEWER MANHOLES
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SW-604
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10/20/09
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CASTINGS FOR AREA INTAKES
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EC-301
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10/18/16
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ROCK EROSION CONTROL (REC)
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SW-512
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10/21/14
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CIRCULAR AREA INTAKE
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PV-102
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10/18/16
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PCC CURB DETAILS
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SW-101
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04/21/09
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TRENCH BEDDING AND BACKFILL ZONES
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TC-252
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04/19/16
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ROUTES CLOSED TO TRAFFIC
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9.
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10.
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1.THE WATER UTILITY SHALL OPERATE ALL SYSTEM VALVES. THE WATER UTILITY SHALL OPERATE ALL SYSTEM VALVES. 2.CONTRACTOR SHALL CONTACT CEDAR RAPIDS UTILITIES DEPARTMENT WATER ENGINEERING OFFICE (319) 286-5950 TO OBTAIN A 'START WORK' ORDER 24 HOURS PRIOR TO BEGINNING CONTRACTOR SHALL CONTACT CEDAR RAPIDS UTILITIES DEPARTMENT WATER ENGINEERING OFFICE (319) 286-5950 TO OBTAIN A 'START WORK' ORDER 24 HOURS PRIOR TO BEGINNING CONSTRUCTION OF WATER SYSTEM IMPROVEMENTS. 3.CONSTRUCTION OF PUBLIC AND PRIVATE WATER SYSTEM IMPROVEMENTS REQUIRES AN APPROVED PLAN SET ON FILE IN THE CEDAR RAPIDS UTILITIES DEPARTMENT WATER ENGINEERING CONSTRUCTION OF PUBLIC AND PRIVATE WATER SYSTEM IMPROVEMENTS REQUIRES AN APPROVED PLAN SET ON FILE IN THE CEDAR RAPIDS UTILITIES DEPARTMENT WATER ENGINEERING OFFICE, 1111 SHAVER ROAD NE. 4.ON SITE INSPECTION OF WATER MAIN INSTALLATION WILL BE PROVIDED BY THE MUNICIPAL UTILITY. ON SITE INSPECTION OF WATER MAIN INSTALLATION WILL BE PROVIDED BY THE MUNICIPAL UTILITY. 5.THE CONTRACTOR IS RESPONSIBLE TO CONTACT IOWA ONE-CALL 1-800-292-8989 PRIOR TO EXCAVATION. THE CONTRACTOR IS RESPONSIBLE TO CONTACT IOWA ONE-CALL 1-800-292-8989 PRIOR TO EXCAVATION. 6.WATER MAIN MATERIALS, INSTALLATION AND TESTING MUST COMPLY WITH CEDAR RAPIDS METROPOLITAN AREA (METRO) DESIGN STANDARDS AND SPECIFICATIONS (REV. DECEMBER 2016). WATER MAIN MATERIALS, INSTALLATION AND TESTING MUST COMPLY WITH CEDAR RAPIDS METROPOLITAN AREA (METRO) DESIGN STANDARDS AND SPECIFICATIONS (REV. DECEMBER 2016). 7.CONTRACTOR SHALL OBTAIN APPROVAL FROM THE CEDAR RAPIDS UTILITIES DEPARTMENT WATER ENGINEERING OFFICE FOR ANY VARIANCE FROM THE APPROVED PLAN. CONTRACTOR SHALL OBTAIN APPROVAL FROM THE CEDAR RAPIDS UTILITIES DEPARTMENT WATER ENGINEERING OFFICE FOR ANY VARIANCE FROM THE APPROVED PLAN. 8.CONTRACTOR SHALL CONTACT CEDAR RAPIDS UTILITIES DEPARTMENT WATER ENGINEERING OFFICE (319) 286-5950 FOR THE FOLLOWING SERVICES: CONTRACTOR SHALL CONTACT CEDAR RAPIDS UTILITIES DEPARTMENT WATER ENGINEERING OFFICE (319) 286-5950 FOR THE FOLLOWING SERVICES: WATER SHUT DOWN, TAP, FLUSH & FILL, SAMPLING AND ANY OTHER SERVICES RELATED TO THE WATER SYSTEM. 9.DISPOSAL OF HIGHLY CHLORINATED WATER IS THE CONTRACTORS RESPONSIBILITY AND SHALL BE IN COMPLIANCE WITH LOCAL, STATE & FEDERAL CODES. DISPOSAL OF HIGHLY CHLORINATED WATER IS THE CONTRACTORS RESPONSIBILITY AND SHALL BE IN COMPLIANCE WITH LOCAL, STATE & FEDERAL CODES. HEAVILY CHLORINATED WATER MAY NOT REMAIN IN THE PIPELINE FOR MORE THAN 48 HOURS. HEAVILY CHLORINATED WATER SHALL BE FLUSHED THOROUGHLY FROM THE PIPELINE, UNTIL THE REPLACEMENT WATER THROUGHOUT ITS LENGTH WILL BE EQUAL IN QUALITY TO PERMANENT SOURCE OF SUPPLY. THE CHLORINATED WATER SHALL BE NEUTRALIZED BY TREATING WITH SODIUM BISULFITE, SODIUM SULFITE, SODIUM THIOSULFATE OR EQUAL APPROVED CHEMICAL BEFORE DISPOSAL THE CONTRACTOR IS RESPONSIBLE FOR WATER MAIN FLUSHING OPERATIONS. THIS RESPONSIBILITY INCLUDES BUT IS NOT LIMITED TO VERIFYING PROCEDURES, PROVIDING ADEQUATE PERSONNEL AND EQUIPMENT, OBTAINING APPROVAL TO DISCHARGE INTO STORM OR SANITARY SEWERS, MONITORING SEWERS FOR BACK-UPS, MONITORING FLOW AND DE-CHLORINATION RESULTS. WATER DIVISION PERSONNEL WILL OPERATE VALVES AS REQUESTED. 10.POLYETHYLENE WRAP AND TRACER WIRE ARE REQUIRED ON ALL PRIVATE AND PUBLIC WATER MAIN 3 INCHES IN DIAMETER OR LARGER. HOLES IN VALVE BOXES FOR TRACER WIRE POLYETHYLENE WRAP AND TRACER WIRE ARE REQUIRED ON ALL PRIVATE AND PUBLIC WATER MAIN 3 INCHES IN DIAMETER OR LARGER. HOLES IN VALVE BOXES FOR TRACER WIRE MUST BE DRILLED. 11.WHERE WATER MAIN AND SANITARY OR STORM SEWERS CROSS, CONTRACTOR SHALL FOLLOW 02500.0 GUIDANCE FOR WATER-SEWER SEPERATION ON THIS SHEET. WHERE WATER LINES WHERE WATER MAIN AND SANITARY OR STORM SEWERS CROSS, CONTRACTOR SHALL FOLLOW 02500.0 GUIDANCE FOR WATER-SEWER SEPERATION ON THIS SHEET. WHERE WATER LINES WHERE WATER LINES CROSS UNDER SEWERS AND 18-INCHES OF MINIMUM CLEARANCE CANNOT BE MAINTAINED. FOR SANITARY SEWER CROSSING, THE WATER MAIN MUST UTILIZE NITRILE GASKETS AND MUST BE INSTALLED WITHIN CASING EXTENDING 10 FEET BEYOND THE CROSSING AND SANITARY SEWER WITHIN 10 FEET OF THE WATER MAIN MUST CONSTRUCTED OF WATER MAIN GRADE AWWA C-900 SDR-18 PVC OR DUCTILE IRON PIPE WITH COMPRESSION FITTING OR MECHANICAL JOINTS. FOR STORM SEWER CROSSING, THE WATER MAIN MUST UTILIZE NITRILE GASKETS AND THE REINFORCED CONCRETE PIPE (RCP) STORM SEWERS SHALL HAVE 'O'-RING GASKETS. 12.UNLESS SPECIFICALLY APPROVED OTHERWISE, ALL LATERAL CONNECTIONS TO EXISTING MAINS THAT HAVE BEEN PREVIOUSLY TESTED AND TURNED INTO SERVICE, THAT ARE 4-INCH OR UNLESS SPECIFICALLY APPROVED OTHERWISE, ALL LATERAL CONNECTIONS TO EXISTING MAINS THAT HAVE BEEN PREVIOUSLY TESTED AND TURNED INTO SERVICE, THAT ARE 4-INCH OR LARGER SHALL BE DONE BY 'LIVE' TAP USING AN APPROVED TAPPING SLEEVE OR SADDLE AND VALVE. 13.WATER MAINS AND LARGE SERVICES (3" OR LARGER) OVER 20 FEET IN LENGTH ARE REQUIRED TO BE DISINFECTED, FLUSHED, FILLED AND PRESSURE TESTED. PRESSURE / LEAKAGE WATER MAINS AND LARGE SERVICES (3" OR LARGER) OVER 20 FEET IN LENGTH ARE REQUIRED TO BE DISINFECTED, FLUSHED, FILLED AND PRESSURE TESTED. PRESSURE / LEAKAGE TESTS ARE CONDUCTED AT 150 PSI UNDER THE DIRECTION OF THE CEDAR RAPIDS WATER UTILITY. 14.ALL WATER MAINS SHALL BE DISINFECTED IN ACCORDANCE WITH AWWA STANDARD C 651. NO WATER MAIN SHALL BE PLACED INTO SERVICE UNTIL ALL SAMPLES HAVE PASSED ALL WATER MAINS SHALL BE DISINFECTED IN ACCORDANCE WITH AWWA STANDARD C 651. NO WATER MAIN SHALL BE PLACED INTO SERVICE UNTIL ALL SAMPLES HAVE PASSED BACTERIOLOGICAL TESTS 15.ALL WATER MAINS MUST REMAIN IN SERVICE THROUGHOUT CONSTRUCTION. SHUTDOWNS WILL NOT BE PERMITTED FOR VALVE REBUILDS AND HYDRANT RELOCATIONS. ALL WATER MAINS MUST REMAIN IN SERVICE THROUGHOUT CONSTRUCTION. SHUTDOWNS WILL NOT BE PERMITTED FOR VALVE REBUILDS AND HYDRANT RELOCATIONS.
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02-03-14
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LINN
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CEDAR RAPIDS WATER UTILITY NOTES
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NOTE
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11.
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NO.
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TC-214
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04/16/13
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LANE CLOSURE WITH FLAGGERS FOR USE WITH PILOT CAR
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TC-282
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04/19/11
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UNEVEN LANES
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TC-284
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10/15/13
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NO CENTERLINE MARKINGS ON NON-PRIMARY ROADWAYS
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DR-303
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10/18/16
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SUBDRAINS (LONGITUDINAL)
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DR-304
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10/18/16
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OUTLETS FOR LONGITUDINAL, TRANSVERSE AND BACK SLOPE SUBDRAINS
REVISIONS: REVISED VALVE BOX ADJUSTMENT, MANHOLE ADJUSTMENT, AND EXCAVATE AND REBUILD WATER VALVE TABLES PER CITY OF CEDAR RAPIDS' REVIEW. DEPTHS FOR INTAKES ADDED.
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DWG:S:\PROJECTS\MOUNT VERNON ROAD\2017 GRADING CEDAR RAPIDS TO HWY 13\DWG\PLANS - FM-C057(E48)--55-57.dwgS:\PROJECTS\MOUNT VERNON ROAD\2017 GRADING CEDAR RAPIDS TO HWY 13\DWG\PLANS - FM-C057(E48)--55-57.dwg
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STA 21+85 END CURB
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STA 27+25 END CURB
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RELOCATE INTERSECTION SEE SHEET E.02 FOR STRUCTURES, PIPES AND ADDITIONAL DETAILS.
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STA 23+95 BEGIN CURB
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APPROXIMATE ROW
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APPROXIMATE ROW
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MOUNT VERNON ROAD
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STA 21+92 12" GATE VALVE & AIR RELEASE (VBA-2)
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STA 26+31 MANHOLE ADJUSTMENT
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STA 26+53 EXCAVATE & REBUILD 12" GATE VALVE (VBA)
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STA 31+81 8" GATE VALVE (VBA)
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STA 31+32 END CURB
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EXISTING SURFACE
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STA 21+24 REPLACE & RELOCATE HYDRANT. REBUILD HYDRANT VALVE.
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43RD STREET SE
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44TH STREET SE
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CITY OF CEDAR RAPIDS
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APPROXIMATE ROW
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LINCOLN HEIGHTS DRIVE
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STA 32+91 BEGIN CURB
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MAINLINE PLAN AND PROFILE
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MOUNT VERNON ROAD FM-C057(126)--55-57 HMA PAVEMENT WIDENING/HMA RESURFACING, GRADING, PIPE CULVERTS
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STA 26+65 REPLACE & RELOCATE HYDRANT. REBULD HYDRANT VALVE.