7-year pavement warranties tea, omaha september 24, 2009 paul sosney head capital award ministry of...
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![Page 1: 7-Year Pavement Warranties TEA, Omaha September 24, 2009 Paul Sosney Head Capital Award Ministry of Transportation Ontario](https://reader034.vdocuments.net/reader034/viewer/2022051516/56649c7b5503460f9492eaa2/html5/thumbnails/1.jpg)
7-Year Pavement Warranties
TEA, OmahaSeptember 24, 2009
Paul Sosney
Head Capital Award
Ministry of Transportation Ontario
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Thunder Bay
North BaySudbury
Windsor
KingstonToronto
Ottawa
Hamilton
London
Nebraska
Texas
Ontario
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Topography
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Downsview
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QEW/Redhill Creek Expressway
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Southern Rural Highway (Hwy 6)
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Northern Freeway (Hwy 69)
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Northern Highway (2-Lane)
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LT Warranty Concept
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Why 7-Year Pavement Warranties?
• Move toward performance specifications• Reduce contract administration, pay items,
inspection and testing costs• Encourage innovation • Reduce overall project and lifecycle costs• “7” years provides confidence that the 18 -
20-year service life will be achieved
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Project Selection
• 2 lane and 4 lane rural highways with less than 5,000 AADT/design lane
• Uniform pavement performance without extensive problematic soils/swamp conditions left untreated
• Normally less than 100 km from a permanent HMA plant
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Categories of Warranty Projects
• Two Categories– Rehabilitation– Reconstruction
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Pavement “Rehabilitation”
• Treatment of some or all the existing materials from the top to the bottom of the existing bituminous layers
Includes:
– Partial or full depth asphalt removal with resurfacing
– Cold in-place recycling with asphalt resurfacing
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Pavement “Reconstruction”• Treatment of all existing bituminous layers and a
minimum of 150 mm of the underlying granular materialIncludes:– removal of all bituminous layers and some or all of the
granular material and replacement with new or recycled materials
– full depth in-place reclamation to a minimum depth of 150 mm into the granular, with or without milling or stabilization, with asphalt resurfacing
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MTO Design Responsibilities
• The usual ground survey and geotechnical field data is collected
• MTO designs:– the alignment and final cross-section of the hwy– special treatments to widen the roadway subgrade or
stabilise shoulders and embankments– ditches, culverts, frost heave treatments – any other non-pavement work included in the project
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Principles of Pavement Warranty Projects• The contractor is responsible for the pavement design,
materials and workmanship
• The warranty is on pavement performance for a fixed period of 7 years
• Minimal material requirements are specified. Standard specifications are not specified
• MTO’s pavement design is for internal use only
• The Contractor’s design is reviewed for compliance
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Principles cont’d• One “Pavement with Warranty” lump sum item includes
all costs within pavement design envelope
• Info provided to Bidders: traffic level for design, surveys, soil borings, pavement cores, X–sections if applicable, past contracts if available
• Soils and pavement data is not guaranteed to be sufficient
• Field investigation by bidders allowed, preferably with no snow in ditches, during minimum 6 week advertising period
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LT Warranties – Estimating Cost
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Warranty - Estimating Template
Refer to Notes page for additional definitions
Designer to provide values in blue cells
Contract Number 2009-xxxx
Highway 419
Length of Contract (kms) 10
Date Prepared January 12,
2009
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$65,000.00 Sub Total -
Design/Engineering
$ 0.00 Additional Requirements
Expenses which contractor is responsible for under the Special Provision for the Tender Item - Pavement with Warranty.
$35,000.00Default value of $35,000Pavement Design Report
Allowable expenses for additional Geotechnical Investigation either before or after award.
$30,000.00$3,000.00
Enter per kilometre value ($3,000 or $5,000) based on pavement condition -
Geotechnical Investigation
Design/Engineering (Contractor)
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$18,000.00 Sub Total - Quality Control
Insert estimated number of working
days in Cell F22
$18,000.00$400.0045.001.00 Additional QC
Allowable expenses for
additional Quality Control
to ensure completed work complies with
pavement design.
Rate/dayWorking
DaysAdditional
Staff
Additional Quality Control - (Design Consultant employed by Contractor)
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Construction Value - (Based on Region's Original Pavement Design Report)
Item Code Item Description Unit Quantity Revised
Quantity*
Estimators Unit Price
Extension
0206-0010 Earth Excavation M3 28175.00 29583.75 $11.24 $332,521.35
0313-1370 Hot Mix Misc. M2 2700.00 2835.00 $14.18 $40,200.30
0313-1372 Superpave 9.5 T 67.00 70.35 $244.98 $17,234.34
0313-1373 Superpave 12.5 T 12075.00 12678.75 $102.77 $1,302,995.14
0313-1376 Superpave 19.0 T 44300.00 46515.00 $80.63 $3,750,504.45
0313-1380 Tack Coat M2 205000.00 215250.00 $0.29 $62,422.50
0314-0071 Granular A T 72500.00 76125.00 $18.68 $1,422,015.00
0314-0400 Granular B, Type III T 35200.00 36960.00 $15.17 $560,683.20
0330-0010Full depth reclamation with expanded asphalt stabilization
M2 77750.00 81637.50 $1.80 $146,947.50
0341-0010 Rout and Seal M 1300.00 1365.00 $7.50 $10,237.50
0510-3133 Removal of Asphalt Paving (Full Depth) M2 4260.00 4473.00 $6.60 $29,521.80
0510-3134Removal of Asphalt from Concrete (Bridges)
M2 420.00 441.00 $14.00 $6,174.00
0510-3137 Removal of Asphalt (Partial Depth) M2 76130.00 79936.50 $2.20 $175,860.30
* Overrun factor on Quantities 5% This value used to calculate "Revised Quantity" column
Sub Total - Items $7,285,327.09
** Inflation Factor 3%If Applicable - Value not required if estimate is finalized near Tender
Opening Date$218,559.81
Sub Total - Construction Value $7,503,886.90
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Contractor Initiated Improvements on Design (Additional quantity added by contractor )
Comments / Reference
Item Unit Quantity Adj. Quant.
Unit Price
Extension These costs are to cover an additional 50 mm lift of binder and 100 mm of Granular 'A' that the contractor may include during initial construction phase to insure that pavement structure will not crack over the 7 year warranty period.
0313-1373 SuperPave 12.5 T 6,037 $107.00 $645,959.00
0313-1380 Tack Coat
M2 68,333 $0.29 $19,816.67
0314-0071 Granular A T 11,892 $12.71 $151,147.32
$816,922.99
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$156,314.40 Sub Total - Rout and Seal
Insert Regional Estimate if available
in cell H85.
$0.00 1.00LSRegional Estimate (to be used instead of calculation if available)
Estimated
Region's Estimated Value
$24,000.00$24,000.00$20,000.001.00LSTraffic Control*
$132,314.40$8.16$6.8016215.00mRegional Historical Repair Quantity
*Traffic Control = Number of days x
$3,000/day + $5,000 for signs and
barrels
ExtensionInflated
Unit PriceBase Unit
PriceQuantityUnitsDescription of Item & Notes
5Number of days to complete work
4Year the work will be done => Values only
required if using "Calculated Value"
Values used to calculate Inflated Unit Price
5%Inflation per Year =>
Calculated Value
Warranty Repair - Rout and Seal: (Use only one - Calculated or Region's Estimated Value.)
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$490,207.60 Sub Total Mill and Pave
$40,000.00$40,000.00 1 LS Traffic Control
$1,840.00$2.00 920 m Pavement Marking
$2,401.20$0.35 6,900
m2
Tack Coat
$443,966.40$246.65 1,800 t Superpave 12.5
$2,000.00$2.00 1,000 t Reclaim Asphalt Pavement - partial depth 50 mm
7 Year the work will be done 5%Inflation
per year Selective Resurfacing - Year 7
Comments / Reference
Warranty Repair - Mill & Pave
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$60,000.00 Sub Total - Warranty Work
$25,000.00
Road side inspection, re-testing of QA testing to confirm results. Also
includes as-built drawings and final verification.
Final Inspection
Reasonable expenses contractor
may incur over warranty period
$35,000.00Assume $5,000 per year for road side
inspection and QC testing.Warranty Administration
Administration During Warranty Period
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$375,194.35 Sub Total - Unknowns and Risk
Acceptable allowance for unforeseen expenses that
contractor may incur and/or Acceptable Premium for new
tendering concept.
Note: % is only applied to warranty items
5%Enter value up to 5% of warranty
work
Unknowns and Contractor Risk
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$8,178,395.65TOTAL VALUE FOR TENDER ITEM
$375,194.35Unknowns or Risk
$60,000.00Administration
$0.00Mill & Pave
$156,314.40Rout & Seal
$7,503,886.90Contract Work
$18,000.00Additional QC
Total Value of Tender Item for Pavement with Warranty shall
be entered in Regional's HiCo Estimate prior to
submission to CRO. (Attach
Spreadsheet to the Tender Item -
"Pavement with Warranty" in HiCo.)
$65,000.00Design Costs
Summary: Tender Item - Pavement with Warranty
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Contracts to Date
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Contract Estimate Low Bid Estimate to Low Bid % Treatment
1 $11,013,974.53 $ 14,907,101.21 -26.1% Full Depth Pulverizing
2 $12,793,430.77 $ 12,354,417.67 3.6% Cold In Place
3 $ 4,846,866.33 $ 6,551,821.00 -26.0% Full Depth Pulverizing
4 $ 3,058,105.57 $ 2,611,000.00 17.1% Rem Asphalt, Add Gran, Pave
5 $ 4,731,906.35 $ 4,969,000.00 -4.8% In Place FD Recl
6 $ 7,415,152.54 $ 6,953,000.00 6.6%Pulverize existing asphalt to 115mm
7 $ 8,765,683.63 $ 11,420,000.00 -23.2% In Place FD Recl
8 $ 5,529,769.51 $ 7,919,011.00 -30.2%Cold In Place Recl w/Expanded Asp
Average Estimate to Low Bid % = -8.1%
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Contract Low BidEstimate to Low
Bid % 2nd Bidder 3rd BidderNo. of
Bidders
1 $14,907,101.21 -26.1% $19,715,495.00 2
2 $12,354,417.67 3.6% $12,538,138.25 $12,562,138.25 5
3 $ 6,551,821.00 -26.0% $ 6,657,127.00 $ 7,738,767.14 3
4 $ 2,611,000.00 17.1% $ 2,639,000.00 $ 3,463,116.00 3
5 $ 4,969,000.00 -4.8% $ 7,514,005.00 $ 9,378,000.00 3
6 $ 6,953,000.00 6.6% $ 7,890,000.00 $ 8,104,266.00 4
7 $11,420,000.00 -23.2% $15,497,699.00 $19,496,459.44 3
8 $ 7,919,011.00 -30.2% $ 8,443,680.00 $10,916,000.00 5