AASHTO’s Trns•portDecision Support System

Decision Support Component

SiteManager

Estimation

BAMS/DSS Data Warehouse

Bid LettingsProjects & Proposals

Expedite

CES

Construction

web Trns•port Preconstruction

Electronic Bidding

AL

AR

CO

CT

FL

GA

IN

IA

KS KY

ME

MD

MI

MN

MO

NE NJ

NM

NY

NC

OH

OK

OR

PA

SC

TX

VT

VAWV

WIID

TN

MT

DC

AASHTO Member Agencies Licensing Trns.port BAMS/DSS

Nova Scotia

LA

MS

CA

ManagerialTool

Pre-AwardBid Review

Estimation

LitigationSupport

CollusionDetection

RichHistoricalDatabase

Trns•portBAMS/DSS

Decision Support:Trns•port BAMS/DSS

• Historical Data Repository– Data from the complete contract lifecycle

• Analysis of highway construction data

• Feeds historical data to CES for bid-based estimation

• Unlimited reporting and executive summaries

Cost Estimation Support

• Bid Histories for Trns•port CES– Cost groups for long range estimation– Item level for detailed estimation– Scatterplots for item cost by project

• Bid History reports– Item Rank Analysis– Weighted average bid prices by location– Summary statistics for historical prices

LADOTD BAMS/DSS Statistical Analysis Models - IRANK

(Spec years 00,06 and 08 analyzed separately)

TOP STANDARD ITEMS BETWEEN August 10, 2005 AND June 3, 2008

RANKED BY TOTAL AWARDED DOLLARS

773 CONTRACTS - AWARDED TOTAL: $2,804,920,316

OVERALLRANK

ITEMNUMBER

SPECYEAR

ITEM DESCRIPTION UNITS QUANTITY DOLLARS(IN 000S)

AVERAGEPRICE

PERCENT DOLLARS

OCCURRENCES

1 727-01 00 Mobilization LS 399 $332,822 834139.3 11.87 399

2 502-01 00 Superpave Asphaltic Concrete

TON 3,050,583 $211,617 $69.37 7.54 259

3 502-01 06 Superpave Asphaltic Concrete

TON 2,055,597 $159,026 $77.36 5.67 161

4 807-06 00 Structural Metalwork

LS 28 $112,961 4034336 4.03 28

5 805-03 00 Class Aa Concrete CUYD

89,477 $96,529 $1078.82 3.44 31

6 807-06-B 00 Structural Metalwork

LS 1 $72,000 72000000 2.57 1

7 S-001 00 S-001 EACH

3,906,447 $65,453 $16.76 2.33 276

8 727-01 06 Mobilization LS 263 $51,757 196794.2 1.85 263

9 806-01 00 Deformed Reinforcing Steel

LB 46,274,939

$51,020 $1.10 1.82 80

10 203-04 00 Embankment CUYD

7,424,886 $39,322 $5.30 1.40 47

LADOTD BAMS/DSS Statistical Analysis Models - IRANK

(Spec years 00,06 and 08 analyzed separately)

TOTAL DOLLARS SPENT ON ITEMS IN EACH ITEM CLASS

773 CONTRACTS BETWEEN August 10, 2005 AND June 3, 2008

ITEM CLASS DOLLARS PERCENTASPHALT $405,196,684 21.9

MOBILIZATION $384,578,451 20.8

STRUCTURES, STEEL $262,981,254 14.2

STRUCTURES, CONCRETE $228,712,701 12.3

NONSTANDARD ITEMS $224,867,892 12.1

EARTHWORK AND CLEARING $103,505,788 5.6

PILES, SHEET OR DRIVEN $63,258,164 3.4

TRAFFIC CONTROL, TEMPORARY $43,219,799 2.3

CONCRETE, INCL CONCRETE BASE $35,134,753 1.9

BASE $34,708,481 1.9

MILLING AND RUBBLIZATION $24,747,952 1.3

SURVEY AND LAYOUT $22,147,021 1.2

TRAFFIC CONTROL, PERMANENT $9,963,860 0.5

STRUCTURES, OTHER $9,364,250 0.5

$1,852,387,050 100

LADOTD BAMS/DSS Statistical Analysis Models – PRICES

(Spec years 00,06 and 08 analyzed separately)

ITEM PRICE UNIVARIATE STATISTICS – Top Ten Items by Dollars

ITEM NUMBER

SPECYEAR

OCCURRENCES

AVERAGEPRICE

STANDARDDEVIATION

MEDIANPRICE

MINIMUMPRICE

25TH% ILEPRICE

75TH% ILEPRICE

MAXIMUMPRICE

203-03 06 14 $13.01 $9.08 $9.35 $4.20 $5.00 $18.00 $30.00

502-01 00 49 $113.10 $95.41 $80.00 $57.00 $69.50 $103.50 $500.00

502-01 06 161 $105.16 $68.49 $82.00 $58.00 $74.00 $100.00 $500.00

804-03-G 00 1 $71.00 $71.00 $71.00 $71.00 $71.00 $71.00

805-01-F 00 5 $944.00 $352.75 $850.00 $600.00 $720.00 $1,050.00 $1,500.00

805-03 00 6 $1,562.50 $1,751.98 $750.00 $550.00 $750.00 $1,500.00 $5,075.00

806-01 00 13 $2.61 $2.46 $2.00 $0.77 $1.00 $3.00 $10.00

S-001 00 67 $200,777.41 $1,514,542.37 $500.00 $0.49 $10.00 $4,000.00 $12,400,000.00

S-001 06 196 $109,401.64 $937,848.00 $112.95 $0.01 $8.00 $4,750.00 $11,325,325.00

S-116 00 2 $503,500.00 $702,157.03 $503,500.00 $7,000.00 $7,000.00 $1,000,000.00 $1,000,000.00

Pre-award letting analysis

• Bid Letting Review– Unbalancing / Front-end loading– Complementary bidding– Identical item prices– Reasonable item pricing

• Evaluation of Engineer’s Estimate– Items with significant differences– Quantity bust

CLEAN/RESEAL MOBILIZATION PCCP PANEL REPLPCCP PANEL REPL

LIPE

TEMP SIGNS TRAFF CONTR MGMT

LIPE

SUPERPAVE SUPERPAVE– DRIVES

PAVMNT WIDENING MOBILIZATION SURFACE PREPTRAFF MAINTAGGREGATE

CONSTRLAYOUT

TEMP SIGNS

LOUISIANA DEPARTMENT OF TRANSPORTATION AND DEVELOPMENTLETTING SUMMARY/BID REVIEWLETTING OF OCTOBER 31, 2007

____________________________________________________________________________________________________ LEAD PROJECT: 053-06-0017 NO. BIDDERS: 2 Madden Contracting Co., Inc.

LEAD FEDERAL: LENGTH: 5.150Natchitoches Parish Line - Junction US 84 (South Section) LOW BID AMOUNT: $1,165,927.40

Dotd Overlay Program ESTIMATED COST: $1,010,166.70Red River OVERRUN $155,760.70 15.4%

LA 1BID REVIEW COMMITTEE: AWARD ____ REJECT ____ NEEDS FURTHER CONSIDERATION ____

________________________________________________________________________________________ PROJECT: 064-05-0081 NO. BIDDERS: 3 C.E.C., Inc.

LEAD FEDERAL: ER-ERE1(024) LENGTH: 0.000Repairs to West LA Rose Bridge LOW BID AMOUNT: $366,000.00

Both Projects (704-29-0003) Have Same Fed Num and Dir Number ESTIMATED COST: $295,000.00Lafourche OVERRUN $71,000.00 24.1%

LA 1BID REVIEW COMMITTEE: AWARD ____ REJECT ____ NEEDS FURTHER CONSIDERATION ____

________________________________________________________________________________________LEAD PROJECT: 066-05-0025 NO. BIDDERS: 3 Diamond B Construction Co., L.L.C.

LEAD FEDERAL: STP-0206(500) LENGTH: 3.160Cslm 2.12 - Evangeline Parish Line LOW BID AMOUNT: $785,450.73

Cold Plane, Reconstruct,Overlay,Aggr Shlds, Type ESTIMATED COST: $774,110.70Allen OVERRUN $11,340.03 1.5%

LA 10BID REVIEW COMMITTEE: AWARD ____ REJECT ____ NEEDS FURTHER CONSIDERATION ____

________________________________________________________________________________________

Vendor Activity Monitoring

• Tools to Systematically analyze– effect of market conditions and vendor

capacities on cost and bidding behavior– supplier and subcontract

markets/relationships– competitive behavior among vendors

• Enables better project sizing and scheduling to promote competition

LADOTD BAMS/DSS Statistical Analysis Models - SELECT

REGION AND DATE FREQUENCIES ON SELECTED CONTRACTS

BIDDERS LIST COUNT BIDDERS COUNT SUBCONTRACTORS

Stars & Stripes Traffic Sys., 72 Gilchrist Construction Co. LLC 19 Highway Graphics Inc. 42 Diamond B Construction Co., L. 15 Mid South Construction Supply 39 Ceres Environmental Services,I 13 Highway Technologies Inc 37 T. L. Wallace Construction, In 10 Gilchrist Construction Co. LLC 35 Jeff Mercer LLC 10 Diamond B Construction Co., L. 25 Pav'T-Mark. Co, Div of Gulf In 9 Ceres Environmental Services,I 25 Highway Graphics Inc. 9 Rcs Contractors, Inc. 21 Stripe-A-Zone Inc 9 Midwest Asphalt Corporation 21 Missouri Petroleum Products Co 8 Jeff Mercer LLC 20 Coastal Bridge Co., L.L.C. 7 Forby Contracting, Inc. 19 Boh Bros. Construction Co., LL 7 Rmk Construction Co. LLC 19 D & J Construction Co., Inc. 7 Diamond Electrical Co., Inc. 18 Forby Contracting, Inc. 7 T. L. Wallace Construction, In 18 Rcs Contractors, Inc. 7 Dustrol Inc 17 Interstate Improvement, Inc. 7 Coastal Bridge Co., L.L.C. 16 Southern Synergy LLC 7 Alpha Service and Products, In 15 Diamond Electrical Co., Inc. 6 35378000/P.R. Parker Company I 15 Madden Contracting Co., Inc. 6 Brudd Construction Co., LLC 15 James Construction Group LLC 6 Wt and Associates, Inc 15 Dreher Contracting, Inc. 5 Guinn Brothers, LLC. 14 Blount Bros. Construction, Inc 5 Progressive Construction Co., 14 C W & W Contractors, Inc. 5 Atwood Fence Company Inc. 14 F. J. Burnell, Inc. 5 Boh Bros. Construction Co., LL 13 35378000/P.R. Parker Company I 5 Qpl, Inc. 13 00046000/Barber Bros. Contract 4 Pelco Structural 13 01165000/Ernest P. Breaux Elec 4 Fbl & Associates, Inc. 12 W. R. Core, LLC. 4 Gulf Coast Pre-Stress Partners 12 H & S Construction Co., Inc. 4 Austin Bridge & Road, Lp 12 06276000/Barriere Construction 4 W. R. Core, LLC. 11 Guinn Brothers, LLC. 4 Pav'T-Mark. Co, Div of Gulf In 11 13082000/Wye Electric, Inc. 4 Vantel, Inc 11 Progressive Construction Co., 4 Jem Engineering & Manufacturin 11 Vantel, Inc 4 D & J Construction Co., Inc. 10 39462000/Denton-James LLC 4

LADOTD BAMS/DSS Statistical Analysis Models - SELECT

VENDOR FREQUENCIES ON SELECTED CONTRACTS

LADOTD BAMS/DSS Statistical Analysis Models - VENCOM

Asphalt Contracts 2003 to date

VENDORS OR VENDOR GROUPS INCLUDED IN THIS

VENDOR COMPETITION ANALYSIS

VENDOR OR VENDOR GROUPCLASS

position VENDOR VENDNAME winnings SELECTIONCRITERIA

KEY 1 12312000 Gilchrist Construction Co. LLC $356,580,180 TOP RANKING

2 12487000 Diamond B Construction Co., L.L.C. $310,002,445 TOP RANKING

3 34567000 James Construction Group LLC $149,792,361 TOP RANKING

4 05789000 D & J Construction Co., Inc. $127,124,793 TOP RANKING

5 06276002 06276002/Barriere Construction Co., LLC $96,332,161 TOP RANKING

6 08584000 Madden Contracting Co., Inc. $89,842,954 TOP RANKING

7 06276001 06276001/Barriere Construction Co., LLC. $51,654,415 TOP RANKING

8 04089000 H & S Construction Co., Inc. $44,838,984 TOP RANKING

9 02179000 Boh Bros. Construction Co., LLC. $44,677,892 TOP RANKING

OTHER 10 34356000 Prairie Contractors Inc. $44,495,729

11 00481000 Coastal Bridge Co., L.L.C. $37,173,829

LADOTD BAMS/DSS Statistical Analysis Models - HSTATEAll Contracts Let in FY 2007

Historical Statistics For July 1, 2006 to June 30, 2007Summary Report

< < OVERALL TOTALS > >

Awarded Contracts Contracts Work Began Completed Contracts Subcontracts

Total Number 234

Total Dollars $1,037,034,339

Proposals Let Previously Let Proposals Proposals Rejected Proposals Cancelled

Total Number 294

Total Dollars $1,152,847,236

LADOTD BAMS/DSS Statistical Analysis Models - HSTATEAll Contracts Let in FY 2007

Summary Report

< < AWARD TOTALS > >Area Totals Major Contract Work Types Major Vendors

Area Contracts

Total $ Work Type Contracts

Total $ Vendor Contracts

Total $

5 40 $358,373,395 Concrete new pavement

15 $284,980,796 Gilchrist Construction

9 $222,138,942

3 68 $294,115,415 New location /replacement

23 $233,990,231 James Construction Gro

7 $220,956,338

1 49 $229,734,564 Asphalt widening and o

11 $159,023,059 Traylor/Kiewit south/Ma

1 $166,698,939

2 27 $74,926,409 Asphalt new pavement-n

8 $102,148,528 Diamond B Construction

7 $65,648,272

6 25 $57,494,540 Asphalt overlay of asp

41 $76,811,663 Boh Bros. Construction

9 $42,573,944

4 16 $15,815,130 Asphaltic concrete ove

1 $68,597,783 Austin Bridge & Road,

1 $34,613,537

CODE

9 $6,574,886 Asph concrete ovly ove

20 $29,533,048 39462000/Denton-James

2 $32,331,265

Traffic flow improvement

7 $14,793,263 Eutaw Construction Co.

1 $24,593,663

Signalization 3 $7,990,571 06276002/Barriere Cons

10 $21,135,495

Asphalt surface treatment

10 $5,911,097 Coastal Bridge Co., L.

5 $17,135,292

Other (21 ) 95 $53,254,301 Other (86 ) 182 $189,208,652

LADOTD BAMS/DSS Statistical Analysis Models - HSTATE

All Contracts Let in FY 2007Summary Report

< < BID INFORMATION > >Percent of Contracts Receiving Each Number of Bids Major Bidders

Area One Two Three Four Five Six Seven Eight Nine

Ten+

Total Vendor Bids

% Conts

Bid

1 16.67 27.27 25.76 22.73 6.06 1.52 66 Gilchrist Construction

46 15.65

2 27.78 38.89 25.00 5.56 2.78 36 Diamond B Construction

37 12.59

3 20.48 30.12 32.53 12.05 4.82 83 Boh Bros. Construction

26 8.84

4 5.00 40.00 45.00 5.00 5.00 20 D & J Construction Co.

23 7.82

5 16.33 61.22 14.29 4.08 2.04 2.04 49 Prairie Contractors In

22 7.48

6 12.90 38.71 19.35 16.13 3.23 3.23 3.23 3.23 31 Coastal Bridge Co., L.

20 6.80

ALL 18.03 37.41 26.53 11.90 4.08 1.02 0.68 0.34 294 06276002/Barriere Cons

19 6.46

CODE

22.22 33.33 33.33 11.11 9 H & S Construction Co.

19 6.46

Jack B. Harper Contrac

17 5.78

James Construction Gro

17 5.78

Other (160 ) 502

LADOTD BAMS/DSS Statistical Analysis Models - HSTATE

All Contracts Let in FY 2007Summary Report

< < ESTIMATE vs. AWARDED BIDS > >

Percent of Awards for Each Range Over/Under Estimate Percent of Awarded Dollars for Each Range Over/Under Estimate

Area -10% -10% to 0 0 to +10% +10% Total Num Area -10% -10% to 0 0 to +10% +10% Total Dollar

1 30.61 18.37 16.33 34.69 49 1 4 28 37 32 229734564.05

2 3.70 18.52 40.74 37.04 27 2 6 49 21 24 74926408.57

3 35.29 11.76 19.12 33.82 68 3 25 13 14 48 294115415.39

4 18.75 18.75 31.25 31.25 16 4 32 24 17 27 15815129.65

5 20.00 17.50 15.00 47.50 40 5 2 5 3 91 358373395.3

6 40.00 8.00 4.00 48.00 25 6 8 4 0 87 57494540.11

ALL 26.92 15.38 19.23 38.46 234 ALL 10 16 15 59 1037034339.2

CODE 22.22 22.22 11.11 44.44 9 CODE 9 21 24 46 6574886.15

Performance Review

• During and after construction– Pricing of change orders– Over-run/under-run relative to original cost

and quantities

BAMS/DSS Statistical Analysis Models - CPROFE

LADOTD 18 months Concrete Proposals

Contract Profile

< < CONTRACT DATA > >

Contract ID Contract Dates EstimatedDays

Actual Days County

015-30-0014 Let Date 30JAN08 Est. Completion 29APR08 25 1)Rapides

Award Date 18MAR08 Date Completed 2)

Notice to Proceed Final Acceptance 3)

Est. Start Date 04APR08 Work Began 4)

Location Primary District Contract Type ContractStatus

Contract Length

Us 165 Concrete Pavement Repair (cm) 08 CONS 0.2530

Contract Description Project Number Number ofProjects

Contract Alt. ID #1 Contract Alt. ID #2

Us 165 Concrete Pavement Repair (cm) STP-3805(507) 1

< < PROJECT DATA > >

Project ID Project Description Federal Aid Project Number Work Type Project Grade Project Type

015-30-0014 Us 165 Concrete Pavement Repair (cm) STP-3805(507) C3 650

Prime Project Number District Road Name Spec Year Type of Road

08 06 Urbanized - Other Principal Arterials

Project Length Project County Urban Rural Classification Project Longitude Project Latitude

0.2530 Rapides URBAN

< < VENDOR DATA > >

Vendor Status Total Amount Pct Over LowBid

Pct Over Estimate

*** ESTIMATE *** CODE NOT FOUND $82,542.00 -12.9 0.0

Jeff Mercer LLC WINNING BID $94,800.00 0.0 14.9

Forby Contracting, Inc. LOSING BID $101,375.00 6.9 22.8

Vantel, Inc LOSING BID $117,375.00 23.8 42.2

T.L. Construction Inc LOSING BID $148,500.00 56.6 79.9

Progressive Construction Co., Inc. LOSING BID $166,112.50 75.2 101.2

Interstate Improvement, Inc. LOSING BID $236,500.00 149.5 186.5

Contract Profile - continued

Award Amount vs. Final Amount by Vendor -- TOTALS

Total Percent Number of Total Dollars Total Awarded Total FinalVendor Difference Contracts Difference Amount Amount

Obs ----- ------------- --------- ------------- ------------- -----------

1 120009040410 37% 1 $82,847.04 $224,979.50 $307,826.542 11008052 34% 6 $971,025.33 $2,862,450.90 $3,833,476.233 120204950510 26% 1 $324,955.40 $1,243,925.40 $1,568,880.804 12007238010 26% 1 $897,583.33 $3,512,411.00 $4,409,994.335 120025600210 19% 2 $79,108.62 $409,768.75 $488,877.376 110000270710 18% 3 $126,172.64 $699,880.50 $826,053.147 12070620 15% 1 $282,099.57 $1,858,249.50 $2,140,349.078 11002221010 14% 1 $41,297.27 $301,449.72 $342,746.999 12050564 12% 1 $89,561.46 $762,033.50 $851,594.9610 11007281 12% 2 $93,279.23 $803,977.00 $897,256.2311 11008323 11% 4 $269,182.70 $2,355,226.90 $2,624,409.60

Award Amount vs. Final Amount by Vendor -- DETAILS

Total Percent Contract Percent Contract Dollars Contract Awarded Contract FinalDifference Vendor Contract Difference Difference Amount Amount------------- ------ -------- ---------------- ------------- ------------- -------------

37% 120009040410 04042302 37% $82,847.04 $224,979.50 $307,826.54

34% 11008052 04082001 104% $849,047.81 $820,001.00 $1,669,048.81 02101801 12% $79,179.37 $678,498.75 $757,678.12 03102401 11% $20,552.53 $186,337.55 $206,890.08 03080801 9% $25,117.10 $293,689.70 $318,806.80 02100401 0% $0.02 $284,631.90 $284,631.92 05040802 ( 0%) $-2,871.50 $599,292.00 $596,420.50