Strawser Construction Inc.

Transcription

1 Maximizing Your Limited Road Budget with Pavement Management & Preservation Strawser Construction Inc. State of Ohio Approved Contractor & Manufacturer Columbus, Ohio 1

2 FHWA Pavement Preservation Guidelines Pavement Preservation a program employing a network level, longterm strategy that enhances pavement performance by using an integrated, cost-effective set of practices that extends pavement life, improves safety and meets motorist expectations " FHWA Pavement Preservation Guidelines Pavement Maintenance a planned strategy of cost-effective treatments to an existing roadway system that preserves the system, retards future deterioration, and maintains or improves the functional condition of the system (without significantly increasing the structural capacity) " 2

3 3

4 Governmental Agency Challenges Limited knowledge of current solutions and new technologies Township Trustee Turnover We do what we do because that is the way we have always done it Politics Squeaky Wheel Increased Population & Truck Traffic Governmental Agency Challenges Decreased or No Change to Road Budgets Same Amount of Miles if Not More, and the Cost of Everything Has Gone Up Going Back to Gravel Bottom of Barrel Funding We ll see how much money we have left over after this winter because salt is just as expensive as asphalt 4

5 Governmental Agency Challenges Asphalt Specifications Range of Acceptability Asphalt Prices $60 - $80 / ton or $120 - $160 / CY Competition $80 - $110 / ton or $160 - $220 / CY Lack of Competition Tools in the Toolbox A Little Bit Will Do Ya Asphalt Rejuvenators Overband Crack Seal Mastic Crack Seal Spray Patch (Durapatcher) Concrete Joint Repair Fog Seal Mastic Surface Treatment 5

6 Tools in the Toolbox Protecting From the Bottom Up and Top Down Stress Absorbing Membrane Interlayer Polymerized Chip Seal Interlayer SAMI Interlayer FiberMat Interlayer Geogrids Geotextiles Tools in the Toolbox That About Covers It Chip Seal Surface Course Slurry Seal Micro Surfacing Cape Seal Asphalt Concrete Full Depth Reclamation 6

7 Pavement Condition Rating = Excellent = Good = Fair = Below Average = Poor Below 55 = Failed Treatments Discussed Today Crack Seal Mastic Surface Treatment Chip Seal Micro Surfacing Cape Seal Structural Asphalt Overlay 7

8 Pavement Condition Rating Index Excellent Condition = Newly paved or recently paved road that has no structural issues, obvious distresses or drainage deficiencies Applicable Processes Asphalt Rejuvenator Pavement Condition Rating Index Good Condition = Pavement is showing slight cracking and the oxidation process has begun Applicable Processes Crack Seal Mastic Surface Treatment 8

9 Overband Crack Seal ODOT Spec #423 Overband Crack Seal Type 1 Blocked PG with 18% Rubber No Fiber Modification Type 2 Liquid PG % Polyester Type 3 Liquid PG % Polypropylene Type 4 Blocked PG with 18% Rubber 2% Polyester 9

10 Overband Crack Seal Polyester and Polypropylene Fibers Overband Crack Seal Type 1 and 4 (Blocked) 5,000 lbs. / 7 ft. / lb.. 10

11 Overband Crack Seal Type 2 and 3 (Liquid) 7,000 lbs. / 5 ft. / lb.. Overband Crack Seal When: 3-5 Years after new pavement is installed Result: Additional 4-5 Years Pavement Service Life 11

12 Overband Crack Seal - Good Overband Crack Seal - Bad 12

13 Overband Crack Seal Spec Details Do Not Install Below 45 Degrees What time of year is the best time to seal? Do Not Install When There is Visible Moisture Only Seal (¼ 1 ) Wide Cracks Install Between 2-4 Wide Can Not Be Thicker than 3/16 Overband Crack Seal Calculate the Amount Length x Width / 9 = Square Yards Total Price / Square Yards = Square Yard Price Budget Number = $ $0.50/SY Per Mile = $4,500-$6,000 (20 foot wide road) 13

14 Pavement Condition Rating Index Good Condition = Pavement is showing slight cracking and the oxidation process has begun Applicable Processes Crack Seal Mastic Surface Treatment Oxidized Asphalt Time to Address this Issue 14

15 Mastic Surface Treatment Mastic Surface Treatment Mastic Surface Treatment is a Polymer Modified, Aggregate Infused Asphalt Emulsion Designed for sealing oxidized Asphalt Pavements or to lock in Chip Seal Surfaces Best to utilize with your Crack Seal program. 15

16 Mastic Surface Treatment Components Cationic Polymerized Asphalt Emulsion CSS-1HM Central Plant Produced.25 gallon 10 lbs./gallon = 2.5 lbs./sy Double Application Both Directions in Each Lane Quality Fine Aggregate Silica Sand Dark Color Enhancers Carbon Black Breaking and Setting Additives Returns Traffic Quicker Seals the Pavement Arrests Oxidation Maintains Good Friction Locks in Chip Seal Controls (Controls Loose Agg and Dust) Extremely Economical 3-5 Year Life Expectancy Mastic Surface Treatment 16

17 1/8/2018 Mastic Surface Treatment Best Township Applications Residential Township Roads Rural Township Roads Parks Cemeteries Mastic Surface Treatment 17

18 Mastic Surface Treatment Mastic Surface Treatment 18

19 Mastic Surface Treatment Mastic Surface Treatment Surface Preparation 19

20 Residential Township Delaware County, OH Park Delaware County, Ohio 20

21 Park Paths and Trails MST Equipment Park Paths and Trails Local, County and State Parks 21

22 Mastic Cape Seal Rural Township Road Mastic Cape Seal Rural Township Road 22

23 Township Delaware County, OH Mastic Cape Seal # 9 Chip Seal with MST Township Delaware County, OH 3 Years Old Mastic Cape Seal # 9 Chip Seal with MST 23

24 Township - Wyandot County # 9 Chip Seal and Mastic Surface Treatment Township Wyandot County (Finished Product) 24

25 Township Seneca County, OH (MST Video) Mastic Surface Treatment - Pricing Length x Width / 9 = Square Yards Square Yards x Square Yard Price = Total Cost Pay Item = Square Yard Budget Price = $ $1.65 / sy 25

26 Pavement Condition Rating Index Fair Condition = Pavement is starting to ravel with longitudinal and transverse cracking patterns starting to appear Applicable Processes Micro Surfacing Chip Seal Cape Seal Micro Surfacing ODOT Spec #421 26

27 Micro Surfacing Polymer Modified Asphalt Emulsion Designed as a tough wearing course for structurally sound pavements One of Ohio s main preservations tools Polymerized Asphalt Emulsion Natural Latex - SBR CSS-1hm Limestone Aggregate 3/8 to P200 s Breaking and Setting Additives Chemical Break and Cure Speed Up or Slow Down Portland Cement Cohesiveness Micro Surfacing 27

28 Micro Surfacing Truck Mount Unit Micro Surfacing Continuous Unit 28

29 Micro Surfacing Newly Installed Micro Surfacing - Cured minutes Turns Black 1-1 ½ hours Return Traffic **Humidity and Shading 29

30 Micro Surfacing Dense Surface Township Roads - Unimproved Dry and Oxidized Sponge Appearance Asphalt or Chip Seal Crack Seal Prior to Application 30

31 Township Street - Improved Dry and Oxidized No Milling Cover Castings Crack Seal Prior to Application Poor Micro Surfacing Candidates 31

32 Micro Surfacing ODOT I-670 OHIO DEPARTMENT OF TRANSPORTATION PROJECT # FRANKLIN COUNTY, OH ISSA Presidents Award Strawser Construction Inc. Columbus, Ohio 32

33 Township Unimproved - Erie County 10 Years Old Life Cycle Cost = $.30 / yr Township Improved Hamilton County No Milling Crack Sealed Prior to Application 33

34 ODOT Pavement Preservation Study ODOT Thin HMA Historical Data (Prior to 2006) Thin HMA (< 1 ½ ) $66,358/lm 9 Years Studied Preservation Projects from 1999 to 2006 Micro Surfacing - Single Course Micro Surfacing - Double Course Chip Seal Single Course ODOT Pavement Preservation Study 2010 Pavement Preservation Study Thin HMA (< 1 ½ ) $66,358 / lane mile 9 Years Micro (Double Course) $26,350 / lane mile 8 Years Micro (Single Course) $17,450 / lane mile 9 Years Chip Seal (Single Course) $11,500 / lane mile 3-5 Years 34

35 Micro Surfacing Pricing Length X Width / 9 = Square Yards Square Yards X Square Yard Price = Total Cost Pay Item = Square Yard Budget Number = $2.75 to $3.50/sy Pavement Condition Rating Index Fair Condition = Pavement is starting to ravel with longitudinal and transverse cracking patterns starting to appear Applicable Processes Micro Surfacing Chip Seal Cape Seal 35

36 Chip Seal ODOT Spec #422 Anionic Neg. (-)Charge RS-2 RS-2P HFRS-2P Cationic Pos. (+) Charge CRS-2 CRS-2P SAM-C Chip Seal Polymerized Asphalt Emulsion gallons/sy ( is typical) 36

37 Chip Seal NO ROUNDED AGGREGATE Cover Aggregate lbs./sy #9 or ¼ #8 or ½ Crushed Limestone - Porous Slag - Durable Natural Gravel Economical Chip Seal Sweep After Installation Always! Kick- Off Broom Rural Vacuum Truck - Residential 37

38 Chip Seal Historical Issues Dust / Loose Stone Delamination Short Life Expectancy Public Perception Chip Seal Potential Spec Changes Coming??? Fog Seal all Chip Seals Single Size Aggregate Spray Rate Changes More / Heavier ADT 38

39 Chip Seal - Pricing Length X Width / 9 = Square Yards Square Yards X Unit Price = Total Cost Pay Item = Square Yard Budget Price = $ $2.00 / Square Yard Pavement Condition Rating Index Fair Condition = Pavement is starting to ravel with longitudinal and transverse cracking patterns starting to appear Applicable Processes Micro Surfacing Chip Seal Cape Seal 39

40 Cape Seal Cape Seal Tough Wearing Surface that Combines a Chip Seal with Micro Surfacing Designed to Treat Pavements that are Structurally Sound but have a Higher Level of Surface Distress 40

41 Cape Seal Benefits Dense Wearing Surface Smoother Surface vs. Chip Seal Alone Improves Bleeding Issues 8 to 10+ Year Service Life More Economical than Asphalt Township Road - Candidate Selection 41

42 Cape Seal Candidate Before the Crack Seal Heavy Cape Seal Wood County, OH #8 Chip Seal and Micro Surfacing Project Installed 2005 Picture Taken 2015 Still in Service

43 Light Cape Seal Quieter and Smoother # 9 Chip Seal and Micro Surfacing Cape Seal Length x Width / 9 = Square Yards Square Yards x SY Price = Total Cost Pay Item = Square Yard Budget Number = $ $5.50 / sy 43

44 Pavement Condition Rating Index Below Average = Pavement is showing areas of widespread cracking patterns, loss of fine aggregate with some base failures Applicable Processes Structural HMA Overlay Pavement Condition Rating Index Poor Condition = A lot of widespread alligator crack patterns, loss of fine aggregate and base failures Applicable Processes Structural HMA Overlay with Interlayer Structural HMA Mill and Fill 44

45 Pavement Condition Rating Index Failed Pavement = Below 55 Pavement has completely failed and is in need reclamation or reconstruction. No Pavement Preservation methods are applicable here. Applicable Processes Structural HMA Mill and Fill with Interlayer Full Depth Reclamation Treatment Square Yard Cost Mile Cost Life 1 ½ HMA Mill and Fill $9.00 $105, to 12 Years Cape Seal $5.50 $65,000 8 to 10 Years Micro Surfacing $3.00 $35,000 7 Years Mastic Seals $1.75 $20,000 4 Years Rejuvenator $0.90 $10,000 3 to 5 years Crack Seal $0.45 $5,000 3 to 5 years *Asphalt prices assumes $80.00 / ton *Numbers are using a 20 width mile 45

46 Pavement Management Systems 46

47 Maximizing Your Limited Road Budget with Pavement Management & Preservation 47