TITLE SHEET

REVISIONS

E

T MILEAGE SUMMARY PROJECT IDENTIFICATION NUMBER

A D

Highway Division PROJECT NUMBER Div. Location Lin. Ft. Miles G N I

T PLANS OF PROPOSED IMPROVEMENT ON THE 1 R.O.W. PROJECT NUMBER T E L

D PROJECT NAME E

D PCC OVERLAYS AND WIDENING - BONDED & UNBONDED INDEX OF SHEETS N No. Description O [Project Description]

B A.1 Title Sheet A.2 Legend and Survey Control N Total Length A.3 Estimated Quantities and Reference Information U B.1 Existing Section and Milling Sheet The information included herein does not represent a specific B.2 Bonded and Unbonded Typical Cross Section D project, but may be used as an example of what should be B.3 Bonded PCC Overlay Jointing (with and without Widening)

N B.4 Unbonded PCC Overlay Jointing (with and without Widening) included for a PCC bonded or unbonded overlay project. B.5 Miscellaneous Details A B.6 Profile Transition Details

POP. POP.

POP. POP.

H H H

E E E

T T T

V V V

7 7

3317 7 3317

9 9 9

A A A

5 5 320TH ST 320TH 827 320TH ST 320TH 827 5 B.7 Right Turn and Bridge Approach Details

E E

E E

V V

320TH ST LN E 320TH ST LN E

V V

A A

D V V

A A

H H

A A E E E E

T T

H H

H H E E

0 0 V V T T V V H H T T B.8 Shoulder and Paved Access Details

E E V V

E E

7 7 T T 5 5

0 0 A A A 28 27 A 28 27

5 5 0 0 V V 0 0

V V A A 0 30 0 30 28 28 29 8 29 8 H H 5 29 27 5 29 27 H H

5 5 A A

A A T T

T T 5 5 0 0 5 5 H H 25 H 25 H E 2 2 T T POP. 3 26 T POP. 3 26 T 5 5 0 0 5 5 5 5 B.9 Guardrail and Paved Shoulder Detail 6 6

8 8 5 5

1489 5 1489 5 210 210 210 210 210 210

H H

E E

T T

D C.1 Quantity Tabulations

8 8 V V

7 7 R-24W A R-23W R-24W A R-23W BOONE CO. STORY CO. 32 5 33 R70 BOONE CO. STORY CO. 32 5 33 R70 33 34 35 36 31 32 34 33 34 35 36 31 32 34 Coon Coon C C Existing Roadway Plan and Profile for Reference Only POP. UNION PACIFIC POP. UNION PACIFIC D.1 r r N 69 RAILROADe 69 RAILROADe 319 35 e 319 35 e 340TH ST 340TH ST 340TH340TH ST ST 340TH ST 340TH ST k 340TH ST 340TH ST 340TH340TH ST ST 340TH ST 340TH ST k J.1 Staging and Traffic Control Notes NW 166 AVE NE 166TH NENE 166TH 166 AVE NENE 166TH 166 AVE AVE NW 166 AVE NE 166TH NENE 166TH 166 AVE NENE 166TH 166 AVE AVE AVE AVE O AVE UNION PACIFIC AVE UNION PACIFIC

T T

S RAILROAD S RAILROAD 69 69 6 5 4 1 2 35 5 3 Detour 6 5 4 1 2 35 5 3 Staging Construction Open to Traffic 3 2 2 6 4 3 2 2 6 4 J.2 POP. POP.

POLK CO. E R70 POLK CO. E R70

319 N 319 N

B R-24W R-23W R-24W R-23W NW 158 AVE NE 158 AVE NE 158 AVE Route NW 158 AVE NE 158 AVE NE 158 AVE L.1 Staking Layout T T

T T

T T

F T F T

End S S

T T

S S

S S T T

o S o S

T T

S S

S S

u 2 u 2 S S

4 4

0 0

6 6 r r

9 9 R38 4 R38 4 4 4 2 2 3 3 Jointing Layout

1 1 8 8

2 2 L.2 E E

5 5

8 10 8 10

W W W W 8 W 8 W 9 12 E 9 12 E W W 12 7 11 7 9 N 12 7 11 7 9 N

N N N N

N N

N N W M 10 W M 10 Project N N

N i N i l l e e -

NW 150 AVE NE 150 AVE NE 150 AVE NW 150 AVE NE 150 AVE NE 150 AVE

T T 13 R WHITE T 13 R WHITE T

D S D S S S

LINCOLN LINCOLN

K K

A A

6 6 O 6 O 6 OAK OAK

E 4 E 4 IT 5 IT 5

18 14 18 14 H H T T

E E

W E W E 13 17 18 13 17 18 E E 16 15 C 17 16 16 15 C 17 16

N 15 N 15 C N C N

N N reek reek

3 3

3 3

E E S NW 142 AVE NE 142 AVE N NE 142 AVE NW 142 AVE NE 142 AVE N NE 142 AVE

NE 142 AVE NE 142 AVE MADISON POP. MADISON POP. Y 22 432 NE 140 AVE 22 432 NE 140 AVE 19 20 21 19 20 21 19 20 21 19 20 21 24 NE 138 AVE 24 NE 138 AVE R56 22 R56 22 ELKHART ELKHARTThis index is representative of an overlay project A NW 134 AVE NE 134 AVE NE 134 AVE NE 134 AVE NE 134 AVE NW 134 AVE NE 134 AVE NE 134 AVE NE 134 AVE NE 134 AVE

T T

T T

T T

T T

S S

S S

S S

S S

T T

6 6 T T

4 4

T T

T T

S S S S

8 8 (bonded or unbonded) with many details 6 E 6 E

6 6

T T

S S

S S

R N R N

3 3 S S 5 5

1 1

0 0 D 4 R70 D 4 R70

L L 2 L 2

9 9

3 3 4 4

H H

E E

E E

2 2

25 25 A A 25 2 25 2 W 29 28 27 W 29 28 27

D 2 D 2

N N L N L N

E W E W 30 W 30 W

E E W 27 W 27 29 28 N 29 28 N H 30 H 30

26 E 26 E Begin S S

N 69 N 69

N N

N N W N W N N N N N F22 F22 F22 F22 including: staging, traffic control, varying existing R Project NW 126 AVE NE 126 AVE NW 126 AVE NE 126 AVE NE 126 AVE NE 126 AVE

T T cross-sections, turn lanes, transitions for bridges,

S S

31 31

6 6 E 34 34

32 33 34 E 35 31 32 32 33 34 E 35 31 32 POP. N 36 POP. N 36

33 T 33 T

S S

3418 6 3418 6

4 4

E E and construction under traffic. CROCKER N POP. 683 CROCKER N POP. 683

V NE 118 AVE NE 118 AVE

NE 118 AVE NE 118 AVE T T S S

Sheets B.7 to L.2 are optional, depending on

T T T

R56 6 R56 6

S S S

35 35

O POP. POP.

E E

7 7 7

N N

3 3 3

6 5 45582 6 5 4 3 6 5 45582 6 5 4 3

W W

W 4 3 4 3

N N N 2 2 the scope of the project. CROCKER CROCKER

NW 110 AVE NW 110 AVE NE 110 AVE NW 110 AVE NW 110 AVE NE 110 AVE

T T

S S

NE 108 AVE NE 108 AVE

4 4

T T T T

4 4

T T

S S S S

S S

C T T

S S

9 9

W W 6 6

6 6

2 8 2 8 4 4

5 5 8 8

N N

8 9 10 8 9 10

E 3 E 3 E E

E E

N N E E N N

N N

N N N N W W

C L NE 102 AVE L NE 102 AVE D A D A R K R K E E T T

C C

SCALES: As Noted 4 4

2 2

E E

N N

T T R R

S S

W W

4 4 P

N N D D

NW 98 AVE 4 NW 98 AVE 4

K K

S 16 S 16 I 15 I 15 R R F F

E E Location MapN Detour Map N

The location map is helpful to the contractor when The detour map is used only if roadway is closed to traffic during construction. If through traffic planning haul routes, traffic control, and staging. is allowed during construction, typically traffic control zones are kept to a 0.25 mile maximum length without the use of pilot cars as long as adequate sight distance is available. Construction zones that utilize pilot cars are typically 2.5 to 3 miles in length or no more than 10 minutes wait time per zone.

INDEX OF SEALS

DESIGN TRAFFIC DATA SHEET NO. NAME TYPE Signature Date

Printed or Typed Name The title sheet shows general project information 20__ AADT V.P.D. including name, description, jurisdiction, index of 20__ AADT V.P.D. My license renewal date is sheets, mileage summary, traffic, and engineering TRUCKS % Pages or sheets covered by this seal: certification. Total Design ESALs

FILE NO. ENGLISH DESIGN TEAM COUNTY PROJECT NUMBER SHEET NUMBER A.1

12:15:13 PM 5/3/2018 V8i_IDOTRoadJ:\2013_projects\113.0057\OVERLAY REFERENCE GUIDE\10-04-2017\77069100_A1.sht LEGEND AND SURVEY CONTROL

UTILITY LEGEND SURVEY SYMBOLS SE COR. SEC. 35-81-24 E 1/4 COR. SEC. 35-81-24 IS P.I. 163+58.50 = P.I. STA. 163+58.5 AB IS P.I. 189+96.31 = P.I. STA. 189+98.0 AB SB SHR Shrub Power Pole PINT NO 8000 FOUND MAG NAIL PINT NO 8001 FOUND I.D.O.T. ALUM. MON DU Centerline Draw or Stream (Up) N = 7,556,329.479 E = 18,531,682.296 N = 7,558,967.255 E = 18,531,695.207 ST SEP Septic Tank Private Electric D Centerline Draw or Stream (Down) TEV Evergeen Tree Fiber Optic EP Edge of Paved Roads (ML or SR) | | TLNL Tree Line Left Data / Phone SET 5/8" t SNP Unpaved Shoulder t S C S FD. C.M. RE-ROD B Cable

BIN Grain Bin TP TPD Telephone Pedestal

n FLUSH

n FLUSH i

BNK Stream Bank Natural Gas i a

SIGN SI Sign a M Sanitary Sewer Line M LP LP L.P. Tank 5/8 RE-ROD 5/8 RE-ROD 89.72' PIP Pipe Culvert Storm Sewer Line 34.92' BD Bridge Deck 71.41' PRO Profile Shot Domestic Water FWD Wood Fence 68.18° FW Wire Fence NE EIm AVE. GV GV Gas Valve A/C CORNER IS PLG Location of General Photo 60.14' 41.13' 38.65° CROSS-TIED WEL Well CU Back of Curb FACE OF EG Edge of Gravel Road 71.26° COR. PO. TLNR Tree Line Right 81.14' FD. MAG NAIL GDL Guard Rail (Rail and Cable) 70.43' 36.97' DIK Centerline of Dike or Dam BK OF CURB EW Edge of Water RIP Rip-Rap CONC. ISLAND FD. C.M. 90.12' Flg FLG Flag Poles FLUSH FACE OF IN Storm Sewer Intake FD. C.M. COR. PO. WH WHD Water Hydrant MIS Miscellaneous FLUSH HDG Hedge Row LUM Luminaire | | BB BB Billboard TDC Tree Deciduous OUT Tile Outlet GU Gutter In Front of Curb BL Topo Breakline BLD Building or Foundation SECTION CORNER INFORMATION GP GP Guard Post (Less Than 4 Posts) PR Electic Riser Pole UV Underground Utility Vault UB UB Utility Box SH Paved Shoulder SIGN SL Speed Limit Sign MH Utility Access (Manhole) TV Satelite TV Dish AS-BUILT VERTICAL PROFILE SWK Sidewalk SH SNK Sink Hole

MM UE Utility Elevation MM Mile Marker Post NAME LOCATION STATION FORWARD GRADE ELEVATION CURVE LENGTH FHD Fire Hydrants TVP TVP TV Pedestal WV WV Water Valve INB Storm Sewer Beehive Intake CON Concrete or A/C Slab F TFR Tree Fruit LIN Miscellaneous Line ENP Edge Paved Entrance & Park Lot ENT Centerline BL of Entrance RET Retaining Walls FCL Chain Link and Security Fence EXISTING REFERENCE POINTS AND BENCHMARKS CUL Culvert

EB EB Electrical Box POINT NORTHING EASTING STATION OFFSET DESCRIPTION ELEVATION ENU Edge Unpaved Entrance & Parking

POT Sta 163+58.50 N=75563279.4790 E=18531682.2960

5

0

5

0

5 0

0

6

7 0

7

8

8

9 +

1

1

1

1 3

1

1

PI Sta 189+96.31 9

1

N=7558967.2550

E=18531695.2070 .

a

t S

N 0° 16' 49.59" E e

N 0° 26' 32.82" E

Distant - 2637.8076 Distant - 2634.3825 n

i

L

h

c

t

a M

Section corner information or other control monuments may be necessary to establish alignment.

This sheet lists the survey symbols, utility legends, and survey control information. The control information Benchmark information is used to establish alignment and elevation. is used to establish the alignment for the project.

ENGLISH IOWA DOT DESIGN TEAM COUNTY PROJECT NUMBER SHEET NUMBER A.2

12:19:22 PM 5/3/2018 V8i_IDOTRoadJ:\2013_projects\113.0057\OVERLAY REFERENCE GUIDE\10-04-2017\77069100_A2-A3.sht ESTIMATED QUANTITIES AND REFERENCE INFORMATION

ESTIMATED PROJECT QUANTITIES ESTIMATE REFERENCE INFORMATION

ESTIMATED QUANTITIES ITEM DESCRIPTION ITEM NO. ITEM UNIT NO. Division 1 Division 2 TOTAL 9 PAVEMENT MILLING 1 EMBANKMENT-IN-PLACE CY 1,721.0 123.0 1,844.0 Profile milling will be required on this project, refer to Typical on sheet B.1 for locations and details. For unbonded or bonded 2 TOPSOIL, FURNISH AND SPREAD CY 680 0 680 overlays on asphalt or composite pavement. 3 TOPSOIL, STRIP, SALVAGE AND SPREAD CY 363.0 111.0 474.0 Meet the following requirements for profile milling: 4 GRANULAR SHOULDERS TON 6,902.0 1,690.0 8,592.0 1. Pavement milling equipment shall be equipped with automatic horizontal and vertical controls capable of milling existing pavement 5 PAVED SHOULDER, HOT MIX ASPHALT MIXTURE, 6 IN. SY 1,423.5 1,423.5 at an elevation corresponding to the approved profile grade and cross slope with a tolerance of 0 to -0.5 foot. 6 SHOULDER CONSTRUCTION, EARTH STA 10.20 5.10 15.30 2. The contractor will achieve a milled surface for 100% of the pavement surface. The contractor is required to scuff the pavement 7 PATCHES, FULL-DEPTH REPAIR SY 16.0 32.0 48.0 surface in areas that the mill did not initially touch due to the profile. Profile milling and profile design will consist of 8 PATCHES BY COUNT (REPAIR) EACH 2 4 6 the requirements of the Standard Specifcations.

9 PAVEMENT MILLING SY 58,659.0 25,292.0 83,951.0 10 BRIDGE APPROACH 10 BRIDGE APPROACH SY 198.9 198.9 Refer to Typical on sheet B.7. 11 SEPARATION LAYER HMA* SY 70,101.00 70,101.00 *Choose a separation layer type for 11* SEPARATION LAYER HMA 12 SEPARATION LAYER - GEOTEXTILE* SY 70,101.00 70,101.00 PCC unbonded overlay over concrete. 13 AGGREGATE, COVER - SAND TON 1.0 0.3 1.3 12* SEPARATION LAYER - GEOTEXTILE 14 BINDER BITUMEN, CRS-2 GAL 19.2 6.4 25.6 13 AGGREGATE, COVER - SAND - NOTE: CONSIDER GEOTEXTILE IN LIEU OF SAND 15 PORTLAND CEMENT CONCRETE OVERLAY, FURNISH ONLY CY 16,954.0 7,283.0 24.237.0 The item quantity is for 2 applications and is based on 128 sq. yds. at a rate of 10 pounds per square yard per application. 16 PORTLAND CEMENT CONCRETE OVERLAY, PLACEMENT ONLY SY 87,180.0 37,450.0 124,630.0 Place on existing PCC patches for unbonded ovrlay. 17 SURFACING, DRIVEWAY, CRUSHED STONE TON 26.0 22.0 48.0 14 BINDER BITUMEN, CRS-2 - NOTE: CONSIDER GEOTEXTILE IN LIEU OF BINDER 18 SUBDRAIN, LONGITUDINAL, (SHOULDER) 4 IN. DIA. LF 27,783.0 9,875.0 37,658.0 The item quantity is for 2 applications and is based on 128 sq. yds at a rate of 0.10 gallons per square yard per application. 19 SUBDRAIN OUTLET EACH 122 46 168 Apply on aggregate sand cover over existing PCC patches after milling (for unbonded overlay.) 20 REMOVAL OF STEEL BEAM GUARDRAIL LF 825.0 825.0 21 STEEL BEAM GUARDRAIL LF 750 750 15 PORTLAND CEMENT CONCRETE OVERLAY, FURNISH ONLY 22 REMOVAL OF PAVEMENT SY 12,725.7 404.0 13,129.7 Quantity increase 10% for irregulatites. Refer to Typicals on sheet B.2. 23 SAFETY CLOSURE EACH 13 6 19 Measurement shall be the quantity shown in the contract documents. The basis of payment will be as indicated in specifications. 24 FIELD OFFICE EACH 1 1

25 CONSTRUCTION SURVEY LS 0.74 0.26 1 16 PORTLAND CEMENT CONCRETE OVERLAY, PLACEMENT ONLY 26 PAINTED PAVEMENT MARKING, WATERBORNE OR SOLVENT-BASED STA 1,254.85 494.44 1,749.29 Refer to Typicals on sheets B.2, B.3 and the Specifications. 27 PAVEMENT MARKINGS REMOVED STA 1.70 1.70 17 SURFACING, DRIVEWAY, CRUSHED STONE 28 TRAFFIC CONTROL LS 0.74 0.26 1 FLAGGERS 29 EACH 20.0 20.0 18 SUBDRAIN, LONGITUDINAL, (SHOULDER) 4 IN. DIA. 30 PILOT CARS EACH 10.0 10.0 19 SUBDRAIN OUTLET

31 MOBILIZATION LS 0.74 0.26 1 Refer to Tabulation on sheet C.1. Approximately 2734 cu. yds. of trench material from the subdrain installation shall be disposed of by the contractor as per the Specifications. 32 MOBILIZATION, EROSION CONTROL EACH 1 1

20 REMOVAL OF STEEL BEAM GUARDRAIL

Refer to Tabulation on sheet B.9.

21 STEEL BEAM GUARDRAIL

REMOVAL OF PAVEMENT 22 Refer to Tabulation on sheet C.1. The concractor to dispose of removed pavement as per the standard Specifications.

SAFETY CLOSURE 23 ESTIMATE REFERENCE INFORMATION Refer to Tabulation on sheet C.1.

24 FIELD OFFICE ITEM DESCRIPTION NO. 25 CONSTRUCTION SURVEY

This item does NOT include existing monument or centerline point preservation work which was done previously by others. 1 EMBANKMENT-IN-PLACE Item includes 579 cu. yds for the culvert repairs, 988 cu. yds. for the guardrail grading, and 277 cu. yds. for the right turn lane. 26 PAINTED PAVEMENT MARKING Material used for this bid item shall be obtained by the contractor and free of debris. No payment for overhaul will be allowed. 27 PAVEMENT MARKINGS REMOVED 2 TOPSOIL, FURNISH AND SPREAD Refer to Tabulation on sheet C.1. TOPSOIL, STRIP, SALVAGE AND SPREAD 3 TRAFFIC CONTROL Quatity based on right turn lane work area. 28 Refer to the Traffic Control Plan, Tabulation sheet C.1. 4 GRANULAR SHOULDERS Item includes 1500 tons for shoulders on sheet B.8, 807 tons for the right turn lanes, refer to sheet B.7, Quantity increased 10% 29 FLAGGERS - (use when project is constructed open to traffic) for shoulder irregularities. 30 PILOT CARS - (use when project is constructed open to traffic) 5 PAVED SHOULDER, HOT MIX ASPHALT MIXTURE, 6 IN. 31 Item includes 1255.5 sq. yds. for shoulders as per sheet B.8 MOBILIZATION

6 SHOULDER CONSTRUCTION, EARTH 32 MOBILIZATION, EROSION CONTROL Item includes 12.9 stations for the right turn lanes, refer to Typicals on sheet B.8.

7 PATCHES, FULL-DEPTH REPAIR 8 PATCHES BY COUNT (REPAIR) Refer to Tabulation on sheet C.1. Some items may be eliminated based This sheet lists the estimated quantities for the project. Reference is made to the on the specifics of the project. tabulations, specific details, or other sheets where necessary.

The existing longitudinal subdrains shall remain functional at The contractor to note that a profile grade is not being all times. Any damage to these tile lines or outlets due to provided and that he/she will be required to cross section the Projects are sometimes separated into divisions to track quantities and payment. the carelessness of the contractor, will be replaced at their roadway and design a profile grade as stated in the Standard

For example, Division 1 is funded separately than Division 2 on this sample project. expense with no cost to the Owner. Specifications.

ENGLISH IOWA DOT DESIGN TEAM COUNTY PROJECT NUMBER SHEET NUMBER A.3

12:21:54 PM 5/3/2018 V8i_IDOTRoadJ:\2013_projects\113.0057\OVERLAY REFERENCE GUIDE\10-04-2017\77069100_A2-A3.sht EXISTING SECTION AND MILLING SHEET

C

CL

Existing Existing Shoulder Shoulder 1 1 2.0% Slope 2.0% Slope Bonded Overlays Milling of existing pavement may be necessary to: 1) achieve the proposed profile, Existing Existing 2) reduce high spots to ensure minimum overlay Pavement HMA Pavement Pavement thickness, Widening 2' 2' Widening PCC Pavement 3) remove significant surface distortions (2 inches or greater), and 4) match curb or adjacent structures. For bonded overlays, milling to improve bonding is a lower priority than items 2), 3), and 4). A minimum EXISTING PAVEMENT CROSS SECTION of 4 in. PCC or 3 in. HMA of remaining pavement is recommended after milling.

1 Typical section shown may be modified appropriately in Unbonded Overlays areas of super elevated curves or other locations Refer to table 9 of the Guide to Concrete Overlays, C specifically designated by the engineer. Third Edition. If using a 1 in. HMA separation layer CL * 2 After milling, the remaining HMA surface will serve as the 2 and faulting is >3/8 in., grind pavement to remove Existing HMA Pavement separation layer (unbonded overlay over PCC) faulting or increase HMA to 1 1/2 in. thickness. OR Existing M Existing the existing HMA will be completely removed. If faulting is = 3/8 in., no action is required. Shoulder Shoulder 1 1 2.0% Slope 2.0% Slope If using a geotextile separation layer, and faulting is 3 Refer to sheet C.1 for tabulation of the existing > 1/4 in., grind pavement to remove faulting. If faulting pavement. 3 is = 1/4 in., no action is required. 4 Allowable milling depth ranges from ___ inch to ___ inches Remove Existing Remove Existing Shoulder and Existing 5 Shoulder and Existing in this area. 5 Widening Unit 2' 2' Widening Unit 5 Provide a vertical clean edge similar to milling Existing PCC Pavement machine results. Typical Pavement Milling (Nominal Thickness) Pavement milling or removal.

1 Pavement Location M C Milling Remarks *Milling option is based on overlay type. Road Identification Station To Station Inches Feet Sq. Yds.

TYPICAL CROSS SECTION HMA PAVEMENT MILLING

1 Typical section shown may be modified appropriately in C areas of super elevated curves or other locations 2 CL specifically designated by the engineer. Existing PCC Pavement 2 Mill existing pavement as necessary to meet proposed

Existing M Existing profile. Shoulder Shoulder 1 1 3 Refer to sheet C.1 for tabulation of the existing 2.0% Slope 2.0% Slope pavement.

3 4 Allowable milling depth ranges from ___ inch to ___ inches in this area. Remove Existing 5 Remove Existing 5 Provide a vertical clean edge similar to milling Shoulder and Existing 5 Shoulder and Existing 2' 2' Widening Unit Widening Unit machine results.

Typical Pavement Milling (Nominal Thickness)

Pavement milling or removal.

1 Pavement Location M C Milling This sheet shows the typical cross Remarks Road Identification Station To Station Inches Feet Sq. Yds. section for milling of existing pavement as well as a tabulation of milling TYPICAL CROSS SECTION PCC PAVEMENT MILLING thickness and areas.

ENGLISH IOWA DOT DESIGN TEAM COUNTY PROJECT NUMBER SHEET NUMBER B.1

12:47:12 PM 5/3/2018 V8i_IDOTRoadJ:\2013_projects\113.0057\OVERLAY REFERENCE GUIDE\10-04-2017\77069100_B1-B2.sht BONDED AND UNBONDED TYPICAL CROSS SECTION

BONDED OVERLAY 1 Typical section shown may be modified appropriately in areas of

C super elevated curves or other locations specifically designated by the engineer. At existing super elevated areas match existing CL cross slopes and transition rates. L R 2 Excavation quantities include trench width (BW) plus 1' x both Lt. & Rt. 8 12.0' Min. 12.0' Min. 8 sides. 4.0" Min. Thickness 4.0" Min. Thickness

S 1 1 4 Shoulder Material 4 Shoulder Material e T 2% Slope 2% Slope 3 Provide a vertical clean edge similar to milling machine results. 4% Slop T 4% Slope Existing Shoulder Existing Shoulder 4 Shoulder material as specified on sheet B.8. Existing Pavement (20' Width) 5 Refer to jointing and widening details on sheet B.3 3 (Post Pav't. Milling) 6 3 6 Refer to milling detail on sheet B.1. Proposed Bonded PCC Overlay 7 2 2 Excavation BW1 BW2 Excavation 7 Milling should be considered to reduce high spots, remove distortions,

Proposed Proposed and match curb or existing structures. or Existing or Existing Subdrain Subdrain Drainable Drainable 8 Shoulder width varies by project. Subbase Subbase Layer Layer

Note: The contractor shall pave proposed shoulders thru all unpaved side road, paved side roads, and entrance intersections. At the existing paved intersections, 2 Overlay Quantities (Per Location) the existing pavement will be removed. Location S C L R T BW1 BW2 G 2 PCC PCC Remarks Excavation Overlay Overlay Road Station To Station Inches Feet Feet Feet Cu. Yds. Cu. Yds. Sq. Yds. Inches Feet Feet Feet TYPICAL CROSS SECTION PCC BONDED OVERLAY WITH BASE WIDENING (AFTER PAVEMENT MILLING)

1 Typical section shown may be modified appropriately in areas of UNBONDED OVERLAY super elevated curves or other locations specifically designated by

C the engineer. At existing super elevated areas match existing cross slopes and transition rates. CL 2 Excavation quantities include trench width (BW) plus 1' x both Lt. & Rt. L R sides. 8 12.0' Min. 12.0' Min. 8 3 Provide a vertical clean edge similar to milling machine results. Use 4.0" Min. Thickness 4.0" Min. Thickness non-woven vertical geotextile separation layer for drainage if existing S 1 1 4 Shoulder Material 4 Shoulder Material e T 2% Slope 2% Slope 4% Slop T 4% Slope pavement is PCC. See sheet B.4. Existing Shoulder Existing Shoulder 4 Shoulder material as specified on sheet B.8. Existing Pavement (20' Width) 3 5 Refer to jointing and widening details on sheet B.4. (Post Pav't. Milling) 6 3

9 6 Proposed Unbonded PCC Overlay Refer to milling detail on sheet B.1. 2 9 2 Excavation BW1 BW2 Excavation HMA or Geotextile 7 7 Separation layer may be either 1 inch well-drained asphalt surface mixture Separation Layer or non-woven geotextile. The separation layer must be either daylighted Proposed Proposed Daylight geotextile layer or Existing or Existing past the edge of the shoulders or connected into a longitudinal subdrain Drainable Drainable to ditch foreslope or Subdrain Subdrain Subbase Subbase working subdrain system using drainable subbase layer. Layer Layer 8 Shoulder width varies by project. Daylight geotextile layer to ditch foreslope or 9 Either drain to working subdrain or daylight fabric working subdrain

Note:The contractor shall pave proposed shoulders thru all unpaved side road, paved side Overlay Quantities (Per Location) Location roads, and entrance intersections. At the existing paved intersections, the existing S C L R T BW1 BW2 G 2 PCC PCC Remarks pavement will be removed. Excavation Overlay Overlay Road Station To Station Inches Feet Feet Feet Cu. Yds. Cu. Yds. Sq. Yds. Inches Feet Feet Feet TYPICAL CROSS SECTION PCC UNBONDED OVERLAY WITH BASE WIDENING (AFTER PAVEMENT MILLING)

This sheet includes the typical cross sections for PCC bonded and unbonded overlays. A tabulation is given for specific dimensions and quantities.

ENGLISH IOWA DOT DESIGN TEAM COUNTY PROJECT NUMBER SHEET NUMBER B.2

12:47:44 PM 5/3/2018 V8i_IDOTRoadJ:\2013_projects\113.0057\OVERLAY REFERENCE GUIDE\10-04-2017\77069100_B1-B2.sht BONDED PCC OVERLAY JOINTING (WITH AND WITHOUT WIDENING)

2 1 Minimum 4 ft. paved shoulder

Proposed Final Paint Line Spacing (Saw Cuts Match Existing Underlying Pavement)

12' 12' 4'-6' 4'-6' Concrete Concrete Transverse Overlay Joint Shoulder Shoulder X A. Tie widening unit to existing concrete Width of new Proposed Saw Cut Spacing Bonded Concrete Overlay Overlay Cut transverse joints to full depth plus 1/2". 6'-8' < 12.0' < 12.0' 6'-8' Transverse Joint Match existing joint locations. PCC Bonded 2 2 2 Overlay

COC-B TIE BAR LOCATION 2" Min. 2" Min. WITH WIDENING Concrete Original Pavement 1 1 Y Saw Cut in Existing Slab KEYED NOTES: 3 3 Existing 1 Epoxy coated No. 4 tie bar 36'' long at Concrete 30'' spacing. Drill and epoxy bars into Place drainable subbase layer and Pavement existing concrete daylight to ditch foreslope or Z Underlying Crack connect to working subdrain in Existing Slab 2 Full depth plus 1/2"

3 Existing widening unit: COC-B if Asphalt, remove unit, CONCRETE ON CONCRETE - BONDED OVERLAY WITH WIDENING FULL DEPTH SAWCUT if concrete, unit may remain if stable, and 3' wide, if no widening unit, excavate and place drainable subbase. (COC-B) CONCRETE ON CONCRETE - BONDED OVERLAY (Transverse and longitudinal joint detail in concrete overlay of existing concrete pavement)

Proposed Final Paint Line Spacing

5 12' 12' 4 4'-6' 4'-6' Note: Concrete Concrete Shoulder Shoulder Overlay joint width shall be equal to or greater than crack width

Proposed Saw Cut Spacing of the existing slab. If "Y" is 0.50 in. or greater, the

6'-8' < 12.0' < 12.0' 6'-8' PCC underlying crack width in the existing slab should be Bonded 5 5 5 measured. If crack "Z" is 0.25 in. or greater, and existing Overlay pavement does not have dowel bars, the joints should be

A. Tie bar placement with overlay thickness v 5" 4 4 evaluated to determine if load transfer rehabilitation is HMA Original Pavement required to eliminate faulting. If there are numerous joints with this

Secure bar in 3 locations condition, the existing pavement may not be a good candidate for a bonded overlay. The existing joints should be filled/sealed to 6 6 prevent intrusion of mortar during overlay placement. In all cases, Place drainable subbase layer and daylight to ditch foreslope or "X" must be Z+0.125 in. connect to working subdrain v B.For bonded concrete overlays 5" and in cold weather states with drainable subbase under the paved shoulder/widening COA-B unit, secure the tie bar to the asphalt pavement, using a CONCRETE ON ASPHALT - BONDED OVERLAY WITH WIDENING PCC Proposed Saw Cut Spacing minimum of three staples or epoxy. For concrete overlays

v Unbonded 5" and no drainable subbase, do not use tie bars in the or Bonded 12.0' 12.0' paved shoulders/widening unit. GENERAL NOTES Overlay 7 r Sh de o Refer to "Design Lessons Learned" in the document "Guide for ul ul A. o de Sh r COA-B TIE BAR LOCATIONS the Development of Overlay Construction Documents" for explanation on pavement widening drainage, location of tie bar, Original Pavement WITH WIDENING location of sawcut, thickened edge, restraint and use of fibers. (Concrete or HMA)

KEYED NOTES: COC-B or COA-B 4 Consideration shall be given to placement of epoxy coated tie bar at mid-depth. Placement must allow adequate overlay thickness to CONCRETE ON CONCRETE OR ASPHALT - BONDED OVERLAY COC-B = Concrete on Concrete - Bonded Overlay accommodate maximum sized aggregate under the bar and minimum 2" WITHOUT WIDENING COA-B = Concrete on Asphalt - Bonded Overlay above the bar. Tie bars are No. 4 bars 36" long @ 30" centers. KEYED NOTES 5 T/3 saw cut (do not sever bar) This sheet illustrates the jointing layout for PCC bonded 7 If BCOC, then use full depth sawcut. 6 Existing widening unit: overlays and widening units. For bonded overlays on if Asphalt, remove unit, If BCOA, then use T/3 sawcut. concrete, new joints in the overlay shall align with existing if concrete, unit may remain if stable, and 3' wide, if no widening unit, excavate and place drainable subbase. joints. Transverse joints shall be cut to full depth plus 0.5 in. If construction is completed under traffic, a 4 ft paved shoulder is recommended

ENGLISH IOWA DOT DESIGN TEAM COUNTY PROJECT NUMBER SHEET NUMBER B.3

2:56:14 PM 6/8/2021 V8i_IDOTRoadJ:\2013_projects\113.0057\OVERLAY REFERENCE GUIDE\10-04-2017\77069100_B3-B4-B5.sht UNBONDED PCC OVERLAY JOINTING (WITH AND WITHOUT WIDENING)

KEYED NOTES: Proposed Final Paint Line Spacing GENERAL NOTES:

1 Consideration shall be given to placement of epoxy coated tie bar at Variable 12.0' 12.0' Variable A. If widening is completed using construction joint: mid-depth. Placement must allow adequate overlay thickness to accommodate Concrete Concrete a. Fabric must be in good condition and placed as shown. maximum sized aggregate under the bar and minimum 2" above the bar. Widening Widening b. Tie widening unit with No.4 epoxy coated tie bars. If overlay is v 5" or placement at mid-depth is not possible, secure tie bar Drill and epoxy or insert during overlay pour. to pavement using a minimum of three staples or epoxy. Tie bars are No. 4 bars 36" long @ 30" centers. B. Before concrete pour, measure and document distance from Variable Proposed Saw Cut Spacing centerline to outside edge of existing pavement. To establish 2 Existing widening unit: PCC < 12.0' < 12.0' Variable sawcut between overlay and widening unit, use documented if Asphalt, remove unit, Unbonded dimensions and locate sawcut using the same measuring method. 4 if concrete, unit may remain if stable, and 3' wide, Overlay 4 1 4 1 if no widening unit, excavate and place drainable subbase. C. Refer to "Design Lessons Learned", in the document See bar See bar "Guide for the Development of Concrete Overlay Construction

8" Min. 3 Nonwoven geotextile shall either daylight to ditch foreslope or terminate joint detail joint detail Documents" for explanation on pavement widening, drainage, above drainable subbase or connect to working subdrain. location of tie bar, location of sawcut, thickened edge, restraint and use of fibers. Concrete Original Pavement 4 T/3 (do not sever bar) D.For unbonded concrete overlays without widening, consideration 5 For unbonded overlays equal to or less than 6 inches thick, maximum should be given to day-light nonwoven geotextile and HMA NEW HMA OR joint spacing in feet is 1.5 times the overlay thickness in inches. separation to ditch foreslope or connect to working subdrain. 2 GEOTEXTILE SEPARATION LAYER 2

For unbonded overlays greater then 6 inches thick, maximum joint Place drainable subbase spacing in feet is 2 times the overlay thickness in inches. Maximum layer and daylight to ditch

recommended spacing is 15 feet. COC-U foreslope or connect to working subdrain 6 An option is to place nonwoven geotextile prior to HMA separation layer CONCRETE ON CONCRETE - UNBONDED OVERLAY WITH WIDENING

1.5' 1.5' 5" Min. 1.5' 1.5' 5" Min. Thickness Thickness 4 4 1 1

Unbonded Unbonded Shoulder Concrete Concrete Overlay Shoulder Overlay 8" Min.

Widening Widening

3" Min. Concrete Concrete Original Original Edge of existing pavement Pavement Pavement 6 Edge of overlay

Place drainable subbase Place drainable subbase layer 2 layer and daylight to ditch 2 and daylight to ditch foreslope Geotextile Separation Layer 1" HMA Separation Layer 3 foreslope or connect to or connect to working subdrain working subdrain COC-U COC-U 2 30'' WIDENING DETAIL WIDENING DETAIL 'L' Joint spacing on center Min. 2 NONWOVEN GEOTEXTILE SEPARATION HMA SEPARATION LAYER AND NONWOVEN GEOTEXTILE bars per LAYER FOR WIDENING UNIT FOR WIDENING UNIT panel

1.5' 1.5' ' C

' T/3 5" Min.

J Proposed Saw Cut Spacing Thickness o 6' Typical PCC 1 i 5 Nonwoven Geotextile n Unbonded

t 12.0' 12.0' Overlay (Optional) T/3 No. 4 epoxy coated tie bar Unbonded r Sh 36'' long at 30'' spacing de o Concrete ul ul o de Overlay Sh r Shoulder Widening Original Pavement Asphalt (Concrete or HMA) or Composite Original Pavement

2 Edge of overlay Place drainable subbase Edge of existing pavement COC-U OR COA-U layer and daylight to ditch foreslope 2 or connect to working subdrain PLAN VIEW CONCRETE ON CONCRETE OR ASPHALT - UNBONDED OVERLAY UNBONDED OVERLAY WITH WIDENING - JOINT LAYOUT COA-U For COC-U without widening, see detail above Note: Dimensions of panels may change based on project specifics for draining separation layer WIDENING DETAIL L= Longitudinal Joint (T/3) C= Sawed Transverse Joint (T/3) CONCRETE ON ASPHALT OR COMPOSITE COC-U = Concrete on Concrete - Unbonded Overlay UNBONDED OVERLAY WITH WIDENING COA-U = Concrete on Asphalt - Unbonded Overlay This sheet includes jointing layout for PCC unbonded overlays and widening units. For unbonded overlays, Consider 13.3oz/yd² @ 130 mils, typical weight geotextile, for unbonded overlays < 4 in. thick. new joints do not have to align with existing joints. Consider 14.7oz/yd² @ 170 mils, typical weight geotextile, for unbonded overlays > 5 in. thick.

ENGLISH IOWA DOT DESIGN TEAM COUNTY PROJECT NUMBER SHEET NUMBER B.4

2:56:30 PM 6/8/2021 V8i_IDOTRoadJ:\2013_projects\113.0057\OVERLAY REFERENCE GUIDE\10-04-2017\77069100_B3-B4-B5.sht MISCELLANEOUS DETAILS

NEW CONCRETE NEW CONCRETE OVERLAY OVERLAY CASTING (RING AND COVER) This sheet includes miscellaneous 0.5-1 IN. ISOLATION JOINT (FOR EXISTING details for urban and rural PCC CONCRETE OR COMPOSITE PAVEMENT) EXISTING EXISTING overlays. For unbonded overlays, it is PAVEMENT PAVEMENT critical to connect the separation layer to an acceptable drainage outlet.

INTERNAL CHIMNEY ADJUSTING RINGS SEAL NOTE: REMOVE EXISTING PAVEMENT AROUND MANHOLE AND REPLACE SUBBASE SUBBASE WITH CONCRETE MATERIAL MATERIAL WATER-TIGHT MASTIC (FOR MOVEMENT)

MANHOLE

MANHOLE DETAIL IN CONCRETE OVERLAY

CURB AND GUTTER DETAILS

FORM 6 IN CONCRETE OVERLAY DRAINAGE OF SEPARATION LAYER INTO INTAKE (GUTTER) MILLING GRADE

ELEV. T EXISTING PAVEMENT

MILLING DETAIL WHEN LEAVING EXISTING CURB IN PLACE

Construct Porous Drainage Trench Adjacent to the Existing Subgrade Underdrain Trench FORM 6 IN CONCRETE OVERLAY Excavation Unbonded Concrete Overlay (GUTTER) MILLING

GRADE

ELEV. T EXISTING PAVEMENT Separation Layer

Existing Concrete Pavement

MILLING DETAIL WHEN REMOVING AND REPLACING CURB

Existing Granular Subbase

Existing Subgrade Underdrain

CONCRETE OVERLAY FORM 6 IN DRAINAGE OF SEPARATION LAYER - UNDERDRAIN SYSTEM (GUTTER)

GRADE (EXISTING CURB REMOVED AND REPLACED)

ELEV. EXISTING PAVEMENT T

MILLING DETAIL OF CURB OVERLAY

ENGLISH IOWA DOT DESIGN TEAM COUNTY PROJECT NUMBER SHEET NUMBER B.5

12:54:06 PM 5/3/2018 V8i_IDOTRoadJ:\2013_projects\113.0057\OVERLAY REFERENCE GUIDE\10-04-2017\77069100_B3-B4-B5.sht PROFILE6 TRANSITION DETAILS THE THICKNESS OF THE TRANSITION/RECONSTRUCTION SECTION MUST BE DESIGNED WITH THE UNDERLYING SUPPORT CONDITIONS AND ANTICIPATED TRAFFIC IN MIND. IT 1 USE 40:1 TAPER FOR SPEED 1 USE 40:1 TAPER FOR SPEED 45 MPH OR HAS NO RELATIONSHIP TO THE OVERLAY THICKNESS NOR THE OVERLAY PLUS EXISTING GREATER. USE 25:1 TAPER FOR SPEEDS TRANSITION AREA (AT END OF OVERLAY) 1 45 MPH OR GREATER. USE THICKNESS LESS THAN 45 MPH 25:1 TAPER FOR SPEEDS

LESS THAN 45 MPH TRANSITION AREA NEW BONDED OVERLAY BONDED OVERLAY

FULL - DEPTH SAW CUT PLACE CONCRETE THROUGH TAPER AREA EXISTING CONCRETE 2 IN. MIN. TRIM SUBBASE PAVEMENT (BRIDGE 1 APPROACH OR PAVEMENT UNDER BRIDGES)

DOWEL

EXISTING CONCRETE PAVEMENT EXISTING CONCRETE PAVEMENT

EXISTING TRANSVERSE JOINT NOTE: RECOMPACT AND RESHAPE EXISTING SUBBASE IF THE SECTION IS UNDER BRIDGE, THE EXISTING PAVEMENT TAPER MILLED INTO SURFACE IN AREA OF TRANSITION AND RECONSTRUCTION. MAY REQUIRE RECONSTRUCTION TO INCREASE THE THICKNESS TO PROVIDE FOR EQUAL LOAD - CARRYING CAPABILITIES AS THE OVERLAY SECTION. TRANSITION AREA (AT END OF OVERLAY) 1

BONDED OVERLAY ON CONCRETE TRANSITION NEW BONDED OVERLAY

TRANSITION AREA H BONDED OVERLAY EXISTING ASPHALT TRIM SUBBASE H+3 IN. OR CONCRETE FOR EXISTING BRIDGE APPROACH ASPHALT 1 PAVEMENT 20 FT : 1 IN EXISTING ASPHALT PAVEMENT . OR COMPOSITE PAVEMENT 6 FT 6 FT 3 IN. EXISTING ASPHALT PAVEMENT DOWEL IF CONCRETE IF LESS THAN 5" THEN TAPER IS NOT NEEDED PAVEMENT THICKNESS IS 8 IN. (200 MM) OR NOTE: RECOMPACT AND RESHAPE EXISTING SUBBASE GREATER IN AREA OF TRANSITION AND RECONSTRUCTION. MILL AND FILL PROFILE TRANSITIONS FOR BONDED CONCRETE OVERLAYS ON END TRANSITION BONDED OVERLAY ON ASPHALT TRANSITION

1 USE 40:1 TAPER FOR SPEED 45 MPH OR GREATER. USE 25:1 TAPER FOR SPEEDS LESS THAN 45 MPH TEMPORARY TRANSITION CONSTRUCTED WITH TRANSITION AREA GRANULAR MATERIAL CONCRETE OVERLAY NEW UNBONDED OVERLAY R.O.W. PLACE CONCRETE THROUGH TAPER AREA EXISTING CONCRETE TRIM SUBBASE PAVEMENT 1 (BRIDGE APPROACH OR UNDER BRIDGE)

SEPARATION LAYER EXISTING PAVEMENT

EXISTING CONCRETE PAVEMENT EXISTING SIDE ROAD OR DRIVEWAY NOTE: RECOMPACT AND RESHAPE EXISTING SUBBASE IF THE SECTION IS UNDER BRIDGE, THE EXISTING IN AREA OF TRANSITION AND RECONSTRUCTION. PAVEMENT MAY REQUIRE RECONSTRUCTION TO INCREASE THE THICKNESS TO PROVIDE FOR EQUAL LOAD - CARRYING CAPABILITIES AS THE OVERLAY SECTION.

UNBONDED OVERLAY ON CONCRETE TRANSITION ASPHALT TRANSITION OR RECONSTRUCT CONCRETE OVERLAY WITH HMA OR PCC TRANSITION AREA EXISTING ASPHALT OR CONCRETE NEW UNBONDED OVERLAY R.O.W. (BRIDGE APPROACH TRIM SUBBASE OR UNDER BRIDGE) 1

30 F T: I IN. EXISTING PAVEMENT

3 IN.

EXISTING ASPHALT PAVEMENT EXISTING SIDE ROAD DOWEL IF CONCRETE OR DRIVEWAY PAVEMENT THICKNESS IS 8 IN. (200 MM) OR NOTE: RECOMPACT AND RESHAPE EXISTING SUBBASE GREATER IN AREA OF TRANSITION AND RECONSTRUCTION. IF LESS THAN 5" THEN TAPER IS NOT NEEDED

TEMPORARY TRANSITION DETAILS UNBONDED OVERLAY ON ASPHALT TRANSITION

This sheet provides typical profile transition details for PCC bonded and unbonded overlays. The transition length is dependent on the speed limit of the roadway. A common taper for vertical transition is 40:1. The thickness of the transition/reconstruction section must be designed with the underlying support conditions and anticipated traffic in mind

ENGLISH IOWA DOT DESIGN TEAM COUNTY PROJECT NUMBER SHEET NUMBER B.6

12:55:04 PM 5/3/2018 V8i_IDOTRoadJ:\2013_projects\113.0057\OVERLAY REFERENCE GUIDE\10-04-2017\77069100_B6-B7-B8-B9.sht 7 RIGHT TURN AND BRIDGE APPROACH DETAILS

Notes: CL of Roadway 1 Details shall be similar for construction 4 r side (by stationing) of roadway. Keyed on eithe 1

2 Construct minimum 8'' granular material. Auxiliary Lane

12.0' D AL E C 3 auxiliary lane shall be Pavement for 2.0% 3 s 3.0' Earth Shoulder constructed according to requirement T Pavement specified for through roadway pavement. 4.0% Construction 4.0% 4 For Joint details see Standard Joint details 4.0%

PCC Overlay

FS Ex 2 is ti ng 1 F 8'' Granular or P Granular e r Material sl op o . Shoulder pe F or es lo Excav. pe & Embankment- Design Quantities Per Location (Includes the taper and the return) In-Place LOCATION PCC Granular Embankment Earth Shldr. Granular D E T AL C FS Pavement Material In-Place Excavation Construction Shoulder ROAD IDENTIFICATION STATION TO STATION SIDE Feet Feet InchesFeet Feet Sq. Yds. Cu. Yds. Cu. Yds. Cu. Yds. Sta. Tons TYPICAL HALF SECTION PCC RIGHT TURN LANE

(Adjacent to new PCC Overlay Pavement)

Existing PCC Bridge Approach Pavement and PCC Paved Shoulders (Use As Constructed) 0 5 7 Sta. 170+56 7 1 1 Sta. 169+59 Sta. 172+47 Prop. PCC Inlay Pavement Prop. PCC Inlay Pavement & Paved Shoulders & Paved Shoulders Bridge

+88 +40

+63 +15 24' 36' 36' 24' +78

Prop. Paved Shoulder Remove Existing Shoulder Prop. Paved Shoulder Refer to Typical on Strengthening - Lt. & Rt. Refer to Typical on Sheet B.8 (4' Width) Sheet B.8

PAVING DETAILS AT EXISTING BRIDGE

This sheet illustrates a typical cross section for a right turn OPTIONAL RIGHT TURN lane and a plan view of a bridge approach. AND BRIDGE APPROACH DETAILS

ENGLISH IOWA DOT DESIGN TEAM COUNTY PROJECT NUMBER SHEET NUMBER B.7

12:55:35 PM 5/3/2018 V8i_IDOTRoadJ:\2013_projects\113.0057\OVERLAY REFERENCE GUIDE\10-04-2017\77069100_B6-B7-B8-B9.sht 8 SHOULDER AND PAVED ACCESS DETAILS

Notes: Quantities have been determined on the basis of a design weight of 140lbs. per cubic foot. E

Existing Shoulder Length Edge of PCC 1 PCC Widening Place and compact material to the dashed lines; Overlay Pavement A & Overlay Type 'B' Granular then blade and shape to foreslope that portion Shoulder O'-6'' above the solid line in the outer 2' and roll with 1'-O'' T loaded truck tire. 2 4% Mi Existing shoulder surface to be shaped to a uniform n. 6% Max . 1 1:1 cross slope prior to placing granular shoulder material. Shape to ensure the thickness of the granular shoulder material is not less than the thickness of the resurfacing. Shoulder Line

3 A 2 Existing Quantity per location. Foreslope Existing Pavement 4 Requires wedge shaped granular shoulder fillet.

W

PLAN

LOCATION TONS T E SECTION A-A

ROAD IDENTIFICATION STATION TO STATION SIDE 3 Inches Feet C L Side Road

Note:

Uniform thickness fillets of hot mix asphalt shall be constructed.

Fillet sizes as shown are recommended and shall be used for design and estimating purposes. The Engineer shall establish the size of each individual fillet to accommodate conditions at the site. TYPICAL SECTION FOR Sawcut and Pavement Milling prior to placement of fillet will be required; GRANULAR SHOULDER both items will be paid for as Pavement Milling.

ADJACENT TO PCC WIDENING & OVERLAY 1 Estimated at 145 lbs./cu. ft.

2 Quantities as per location.

Edge of PCC Overlay Pavement Existing Paved Side Road or Driveway 17'

Edge of Pavement Pavement Milling

E Var iable D PCC Prop. PCC 4.O% Overlay Pavement

Ex ist ing Proposed F Excavation or es 3.5'' Minimum lop e HMA Thickness

HMA FILLET FOR PCC WIDENING THRU Earth Shoulder Construction PAVED SIDE ROADS AND DRIVEWAYS HMA Paved Shoulder, 6"

1 Quantities are per location. Hot Mix Pavement 2 Estimated for one application. (Not a bid item) Location Asphalt Milling TYPICAL SECTION W 3.5" Depth Remarks 2 HOT MIX ASPHALT PAVED SHOULDER Road Identification Station Side Road/Driveway Side Feet 1 Tons 2 Sq. Yds.

QUANTITIES 1 Location 5 D E Paved Hot Mix Tack Asphalt Earth Shldr. Excavation Shoulder Asphalt Coat Binder Constr. 2 Road Identification Station to Station Side Inches Feet Cu. Yds. Sq. Yds. Tons Gals. Tons Stas.

This sheet provides optional details and quantity tabulations for granular shoulders, paved shoulders and fillets for paved side roads with PCC overlay widening. OPTIONAL SHOULDER AND PAVED ACCESS DETAILS

ENGLISH IOWA DOT DESIGN TEAM COUNTY PROJECT NUMBER SHEET NUMBER B.8

12:56:29 PM 5/3/2018 V8i_IDOTRoadJ:\2013_projects\113.0057\OVERLAY REFERENCE GUIDE\10-04-2017\77069100_B6-B7-B8-B9.sht GUARDRAIL AND PAVED SHOULDER DETAIL

2 Form Board Required

20'

4 A Edge of C Normal Shoulder Edge of Final Guardrail Normal Shoulder

Location B B 1 : 0 1 3 P %

4

Edge of Pavement C A

1 6'' subgrade treatment (not required on this project). 6" HMA Paved Shoulder at guardrail. 7" PCC may be substituted with the following jointing layout: 2 When guardrail posts are installed prior to construction of paved shoulder, nail 1" x 6" untreated form boards along the face of guardrail posts for Match mainline pavement joint spacing. When mainline the length shown. This board is to prevent shoulder material from contacting pavement is 8" or greater in thickness, place the sides of the posts and altering the function of the guardrail. additional transverse joints in shoulder at mid-panel of Form board not required for final 2 posts. the mainline pavement. Place longitudinal joint at W/2 from edge of mainline pavement when W is greater than 3 Continue paved shoulder to existing paved shoulder or 20' beyond the 10' wide. Terminate longitudinal joint at transverse end of guardrail. joint less than 10' in length. 4 Shoulder may be notched for final 2 posts or post sleeves may be installed through pavement. Compaction of HMA is required to face of guardrail post. Hand compaction will be allowed under guardrail. Removal & reinstallation of guardrail will be allowed with no additional payment.

Normal Shoulder Width Location Edge of P Pavement 1 Paved Excavation Remarks Subgrade Shoulder P Road Identification Station To Station 4.O% Side Type Feet Treatment Mainline 10:1 Paved Variable Slope SY CY Pavement Shoulder

1 N orm al F ore slo Note: pe Hinge Point Follow jurisdiction standards Section A-A for guardrail details.

Normal Shoulder Edge of Width Pavement

4.O% 10:1 Mainline Paved Pavement Shoulder Variable Slope 24'' 1 N orm 3'' al For 2 esl ope Hinge Point

Section C-C with Form Board Section B-B

Roll down at granular shoulder or earth. This sheet provides details and quantity tabulations for a guardrail. It is important to review local jurisdictional or agency standards for guardrail design and construction prior to utilization of this OPTIONAL GUARDRAIL AND information. PAVED SHOULDER DETAIL

ENGLISH IOWA DOT DESIGN TEAM COUNTY PROJECT NUMBER SHEET NUMBER B.9

12:57:40 PM 5/3/2018 V8i_IDOTRoadJ:\2013_projects\113.0057\OVERLAY REFERENCE GUIDE\10-04-2017\77069100_B6-B7-B8-B9.sht QUANTITY TABULATIONS

POINTS OF ACCESS TABULATION OF SAFETY CLOSURES Refer to Cross-Sections

Location 2 Length of Opening 1 2 2 Pipe Culvert Driveway Surface Area Driveway 1 1•" 3" CLOSURE TYPE Type Aprons Surfacing W PR SR Pipe Remarks Case Dropped Dropped Size 2 2 Station Side H Lt. Rt. HMA PCC Material STATION Road Hazard REMARKS Curb Curb Length Qty. Qty. A, B, or C 1 or 2 Lin. Ft. Lin. Ft. Ft. Ft. Ft. Ft. Inches Lin. Ft. Lin. Ft. Lin. Ft. No. Sq. Yds. Sq. Yds. Tons

TABULATION OF SILT FENCE LONGITUDINAL SUBDRAIN SHOULDER AND BACKSLOPE

Location Longitudinal Subdrain Subdrain Outlet Shoulder Backslope Bridge Berm 1 LOCATION Road Depth Porous * Crushed LENGTH REMARKS Line or Backfill Stone Remarks STATION TO STATION SIDE Station to Station Side Size Length Size Length Size Length Size Standard Road No. Lane D Type Station Plan and Ident. (Inches) (Inches) (Feet) (Inches) (Feet) (Inches) (Feet) (Inches) Type (Cu. Yds.) (Cu. Yds.)

PAVEMENT MARKINGS * See Typical 9001 for 'A' and 'B' designation

2 Broken Center Line (Yellow) 5 No-Passing Zone Line (Yellow) 7 Edge Line Right (White) 9 Dotted Line (White) 11 Channelizing Line (White) 13 Stop Line (White) 15 Yellow Curb 17 Yield Line (White)

3 Double Center Line (Yellow) 6 Broken Lane Line (White) 8 Edge Line Left (Yellow) 1O Solid Lane Line (White) 12 Channelizing Line (Yellow) 14 Crosswalk Line (White) 16 White Curb 18 Double Dotted Line (Yellow)

Location Length (In Stations)

Road Side * * * * Remarks Station to Station 2 3 5 6 7 8 9 1O 11 12 13 14 15A 15B 16A 16B 17 18 Identification L R

REMOVAL OF PAVEMENT TABULATION OF EXISTING PAVEMENT Refer to Tabulation 102-5 * Not a Bid Item

Coarse Aggregate Intakes and Pavement Area Saw Cut* Existing Pavement Station to Station Utility Accesses Remarks TYPE Detail Type No. Location Pavement Durability Thickness Reinforcement (Sq. Yds.) (Lin. Ft.) (No.) Crushed Source Typical Gravel Class (Type) Stone (Inches) (Type) This tab is used for bridge approaches and vertical transitions.

FULL-DEPTH PATCHES

Location Dimension PCC Patches Subbase Subbase Subdrain, Longitudinal, 'EF' Anchor With Without Patch w/ Patch C R C HMA Composite Patches (Patches) 4'' 'CD' 'CT' Joints Lugs Dowels Dowels 'EF' Joint Remarks Count Station or Milepost Lane Length Width Thickness Patches HMA Joints Joints Removal RR-4 RR-2 RR-18 RR-26 RR-1 RR-1 or RR-26 RR-1 (L, R or B) FT FT IN SY SY SY SY TON SY SY LF No. No. No. No.

This sheet provides sample tabulations of typical work items related to a PCC bonded or unbonded overlay. The work item tabulation will vary depending on the scope of the project. OPTIONAL QUANTITY TABULATIONS

ENGLISH IOWA DOT DESIGN TEAM COUNTY PROJECT NUMBER SHEET NUMBER C.1

12:59:05 PM 5/3/2018 V8i_IDOTRoadJ:\2013_projects\113.0057\OVERLAY REFERENCE GUIDE\10-04-2017\77069100_C1.sht EXISTING ROADWAY PLAN AND PROFILE FOR REFERENCE ONLY

EXISTING PLAN AND PROFILE SHEETS

This sheet is a placeholder to provide plan and profile information for the existing roadway where the PCC bonded or unbonded overlay is to be placed. The plan and profile for the existing pavement is used for reference only and, typically, the PCC overlay profile is not included in the design drawings. OPTIONAL ROADWAY PLAN AND PROFILE

ENGLISH IOWA DOT DESIGN TEAM COUNTY PROJECT NUMBER SHEET NUMBER D.1

1:00:16 PM 5/3/2018 V8i_IDOTRoadJ:\2013_projects\113.0057\OVERLAY REFERENCE GUIDE\10-04-2017\77069100_D1.sht STAGING AND TRAFFIC CONTROL NOTES

STAGING NOTES TRAFFIC CONTROL PLAN

1 Through traffic on Mainline shall be staged to allow work under traffic and work while detoured. STAGE 1 Mainline detour route (refer to map on sheet A.1) shall be signed and maintained by the jurisdiction TRAFFIC CONTROL Maintenance personnel. The contractor shall provide a 2 week notice to the engineer before any A minimum of one traffic lane shall be maintained on Mainline during daytime hours. detour use is allowed. During night time hours lane closures will not be allowed.

The contractor shall maintain access at all times for residents who live and work along mainline, 2 CONSTRUCTION including school bus traffic. No more than two (2) side roads closed at any time. Full Depth Patching Pavement Milling 3 Traffic control on the project shall be in accordance with MUTCD, current edition.

STAGE 2 4 Unless otherwise directed, the contractor shall take appropriate measurements of the existing pavement marking prior to removing or obliterating them to insure their replacements are positioned Phase 2A in similar locations. TRAFFIC CONTROL Through traffic on Mainline shall be detoured (refer to Detour #1 map on sheet A.1). 5 If Mainline is open to traffic, no lane closures will be allowed during the following events: CONSTRUCTION Excavation for PCC Widening and Subbase Placement PCC Inlay Pavement / PCC Reconstruction Areas / PCC Overlay Pavement Right turn lane construction PCC / HMA tie - in work at side roads Granular Shoulders Paved Shoulders COORDINATED OPERATIONS Guardrail updates Pavement Markings Other work in progress during the same period of time will include the construction of the projects listed. Coordinate operations with those of other contractors working within the same area. Phase 2B TRAFFIC CONTROL Through traffic on Mainline shall be detoured

CONSTRUCTION Excavation for PCC Widening and Subbase Placement PCC Overlay and Widening / PCC Reconstruction Areas Right turn lane construction PCC / HMA tie-in work at side roads Granular Shoulders Paved Shoulders Guardrail updates Pavement Markings

This sheet is required to list specific staging notes and criteria that the contractor will need to follow during construction. If specific staging or phasing is required, it is recommended to list specific staging criteria instead of drawing detailed staging plans. This gives the contractor flexibility in setting up staging operations and possibly making construction operations more efficient. It is critical that the contractor submits traffic control and staging plans for review OPTIONAL STAGING AND prior to construction. TRAFFIC CONTROL

ENGLISH IOWA DOT DESIGN TEAM COUNTY PROJECT NUMBER SHEET NUMBER J.1

1:01:31 PM 5/3/2018 V8i_IDOTRoadJ:\2013_projects\113.0057\OVERLAY REFERENCE GUIDE\10-04-2017\77069100_J1.sht COMPLETED OVERLAY (Two-Lane Roadway with Paved Shoulders, Conventional Paver) LEGEND Remaining Paved Paved Remaining shoulder shoulder shoulder shoulder 12ft(3.7mllane � Stage work area Applied to: Pavement (Typical) marking -c---�-

COMPLETED OVERLAY

STAGE 1. Repair surface, prepare for overlay, and construct base shoulder NOTES: widening and separation layer t, CD Follow jurisdictional requirements Construction area Traffic for traffic control devices. !-+---�====---,-, con�rol (D • Install traffic control and close the left lane. Follow • Prepare for shoulder widening by trenching the !.. i device @ Treat 3 It 10.9 ml area outside of Existing [ Existing jurisdictional requirements for traffic control. Check existing shoulder and trimming to the specified I I shoulder Vehicle traffic shoulder proposed paved shoulder with with jurisdiction regarding allowable lane closure width. The trench should be rolled and compacted i. f .1 11 ft(3.4m)lane calcium chloride. If the existing length. If surface repair and preparation for the as necessary to obtain a firm and stable platform as j Typ1cally !Typical) shoulder outside the proposed overlay are minimal, then slow-moving traffic control specified in the contract documents. A continuous , less than. · paved shoulder is less than 3 ft may be appropriate. Closing the lane may require progression approach with the shoulder trencher I.a 0.25m1· j (0.40km) (0.9 m), it may be necessary to additional traffic control (e.g., signals, flaggers, and/or and placement of the base shoulder widening • without adjust the slipform paver and/or pilot cars). material is encouraged. pilot ar r I t paver control to accommodate the • Construct separation layer (only for unbonded reduced space. • Repair the surface as appropriate. Prepare the surface ja I Base shoulder for the overlay (or, in the case of concrete overlay on overlay on concrete). widen.ing i I Existing subbase @ Minimum lane width next to the concrete, the separation layer) as described in the I material paver may be reduced for short­ contract document. j.o. term, stationary work on low­ i I volume, low-speed roadways when STAGE 1 vehicular traffic does not include longer and wider heavy commercial vehicles. STAGE 2. Constructright shoulder and concrete overlay 0 © lf the overlay is opened to traffic in this stage, and final shoulder • Shift the traffic control to the left lane and close the typical machine adjustment. Speeds should be Vehicle traffic Construction area 11 ft (3.4 mllane backfill is delayed, place fillet as right lane to traffic. The length of the closure will additionally restricted adjacent to paver when (Typical) shown or (if overlay creates a depend on the jurisdiction's maximum closure length clearance between the paver and vehicle traffic is drop off greater than jurisdictional with pilot car. Traffic controls and traffic control tight Shoulder Varies �--+, allowance) place granular shoulder. signals will be based on jurisdictional requirements. !-+-�,______• Construct concrete overlay on the existing Concrete See centerline fillet illustration and fillet placed ® • Repair and prepare the surface for the overlay or the pavement. Complete right PCC shoulder widening with overlay subsequent removal on figure 103. separation layer and subsequent overlay as described with the overlay. Bull float work shall operate from CD��:� --- ®. in the contract documents. Construct separation layer the outside shoulder only. device © ® For "X" less than 4 ft (1.2 m), (for unbonded overlay). adjustments to paver may be •The "X" dimension between the roadway centerline necessary to accommodate paver • Normal space for the paver stringline is 1-1.50 ft (0.30- and vertical panel is for the paving machine track Concrete thickened control and paver track. 0.46 m) and the paver track is a minimum of 2.50-3 ft and string line. paved shoulder Varies Concrete (j) The "X" dimension can be reduced (0.76-0.91 m). 1 ft (0.3 m) incremental encroachment overlay placement reduction (up to 2 ft (0.6 m) total) is common through to 3 ft (0.9 m) minimum when the Surface repair right lane is used as paver control. Existing pavement Separation layer @ Mark edgelines and centerlines per (only for unbonded overlay on concrete) STAGE 2 MUTCD IFHWA 2009) section 6F.77 (mark both lanes). ® Construct longitudinal joint. STAGE 3. Construct leftlane concrete overlay (j) Vehicle traffic • Close the opposite lane to traffic and place the • If the outside edge dropoffs at the shoulder exceeds 11 ft(3.4 m) lane concrete overlay according to contract documents, the jurisdictional allowance for a 1:1 fillet, then (T�pical) Remaining using the same procedures as described in stage construct the granular shoulders in this stage. Concrete shoulder fillet placed 2. Note that stringline may not be necessary for the • Complete shouldering. Install (mill) rumble strips with overlay right edge of the paving when the paved overlay in the paved shoulders and complete pavement constructed in stage 2 is used as the paver control in marking and regulatory signing in accordance with this stage. If the right string line is not used, the "X" contract documents. dimension could possibly be reduced to 3 ft (0.9 m). Over1ayof Two-Lane Roadway with Paved Shoulders STAGE 3 (Conventional Paver) :=:::======::;------'The sheet provides guidance for staging work when the roadway is open to traffic during construction. This staging diagram, as well as others, are found in Chapter 6 of the Guide to Concrete Overlays (Third Edition), May 2014. I OPTIONAL STAGING CONSTRUCTION OPEN TO TRAFFIC I EN;LISH 10\IA DDT DESIGN TEAM COLNTY PROJECT t«..MIER SHEET tt.MIER J • 2 1:02:46 PM 5/3/2018 VBLI00TRoadJ :\2013_projects\ 113.0057\0YERLA Y REFERENCE GUIDE\10-04-20 17\77069 \00_JZ.sht STAKING LAYOUT

O 25 FEET

PAVING, GEOMETRIC & STAKING DETAILS

NOTES: 1. For the Rt. Turn Lane pavement quantities and additional information, refer to detail on sheet B.7. 2. For Jointing details, refer to sheet L.2.

5

1

2

Prop. HMA Fillet 1 . L

Prop. PCC Overlay Pavement Width t Sta. 216+19.22-32.0' Rt. e e h s

o t

r e f

e 24' 36' 36' 36' r

,

0 Intersection PCC Pav't. 0

+ Rt. Side 2 1 2

% . %

4 Special a

4 +73 t

S Shaping '

Proposed Offset Rt. Turn Lane % 2 e

4 Sta. 210+18.69-12.0' Rt. 1 n i Special L

50' R

h Shaping c t a M 30:1 Taper Ratio Sta. 215+42.86-41.46' Rt.

70' R Sta. 210+18.69-12.0' Rt. n o i t i

Sta. 216+04.69-83.43' Rt. s n a r T

Prop. HMA Shoulder

200' R

- Prop. PCC Pavement

- Prop. HMA Paved Shoulder or Fillet

Sta. 216+21.35-160.09' Rt. A% A%

This sheet shows geometric and staking details for paving at intersections. It is recommended to include this layout information for turn lanes and intersections when the layout varies from the typical cross section. A - Match existing slope OPTIONAL STAKING LAYOUT

C ENGLISH IOWA DOT DESIGN TEAM COUNTY PROJECT NUMBER SHEET NUMBER L.1

1:03:47 PM 5/3/2018 V8i_IDOTRoadJ:\2013_projects\113.0057\OVERLAY REFERENCE GUIDE\10-04-2017\77069100_L1-L2.sht JOINTING I AYOUT - 91!!!1m � It) -0 1�1 ------rr,_ ) \I I-> I I I I

I - L-Z L-2 L-2 IL- - - I ------IL < - "'

\ \ JOINTING DETAILS ( at Sta. 1105+63

�- Prop. PCC Pavement

NOTES: I. Full Depth Rt. Tum Lane and Intersection Paving: Transverse Joints are "CO" Joints "1th 12' spacing. 0 It) 0 2. PCC Overlay Pavement Jointing: - - Refer to sheets B.3 - B.4. -

------1-7 rrr -> ) -> I -• I I --,_ - I I LJ� 8q I I I I I

� IL-2 L-Z ------==---,L-

\ \ This sheet provides a diagram of joint types and locations at intersections or turn lanes when the I joint type differs from the typical cross section. I OPTIONAL JOINTING LAYOUT I C EN;LISH I 10\IA DDT DESIGN TEAM COLNTY PROJECT tl.MIER I SHEET tf.HIER L.2 I .04 .32 PM 5/3/2018 VBLIDOTRoadJ .\20 IJ_projects\ 113.0057\0VERLA Y REFERENCE GUIDE\10 04 20 17\77069 \QQ_Ll L2.sht