Tabulation of Bids - WV ERFO FS MNGAH921 2018-1(1).pdf

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Monongahela National Forest Federal contract opportunity
Solicitation number
693C73-26-C-000009
Issued by
Department of Transportation Federal Highway Administration

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Bid Tabulation Report Summary

This is a Bid Tabulation Report for federal contract solicitation 693C73-26-B-000006, issued by the Eastern Federal Lands division for repair work on storm and flood damage affecting multiple roads and trails in West Virginia counties (Grant, Pocahontas, Randolph, Tucker, and Webster) within the Monongahela National Forest. The project includes bridge replacement and slide remediation work. Bids were opened on April 28, 2026, in Ashburn, Virginia, and the contract was awarded to Structural Engineering Group, Inc. on June 11, 2026.

The solicitation encompassed three schedules with base and optional pricing. For Schedule A (Base), four contractors submitted bids ranging from $764,406.70 to $4,553,496.50, with an engineer's estimate of $645,000.00. Schedule B (Option) saw bids from $5,652,024.90 to $8,174,100.00 against an estimate of $9,960,000.00. Schedule C (Option) received bids from $5,959,527.50 to $9,068,551.70 against an estimate of $6,105,000.00. The total combined base and option pricing for the awarded contractor, Structural Engineering Group, Inc., was $12,375,959.10. Line-item pricing details are provided across multiple pages for construction activities including mobilization, clearing and grubbing, culvert removal and installation, riprap placement, structural concrete work, bridge construction, retaining walls, geotechnical work, and erosion control measures. The report was generated on April 29, 2026, by Contract Specialist Emily McCleary.

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BID TABULATION REPORT

Project No. : WV ERFO FS MNGAH921 2018-1(1) Project Name: Repair storm & flood damage on multiple roads & trails, including bridge replacement and slides

Contractor Responsive? Base Schedule A Central Southern Construction Corp. $4,553,496.50

Kovilic Construction Company Inc $1,180,500.00 ERon Road Construction LLC $946,991.00 Structural Engineering Group, Inc. $764,406.70 Engineer's Estimate $645,000.00

Contractor Responsive? Total Base Schedule A and Option(s): BC Central Southern Construction Corp. $21,683,838.10

Kovilic Construction Company Inc $18,394,175.00 ERon Road Construction LLC $16,688,337.00 Structural Engineering Group, Inc. $12,375,959.10 Engineer's Estimate $16,710,000.00

Report Generated on 04/29/2026 12:34 PM [Timezone: (UTC-05:00) Eastern Time (US & Canada)]

Generated by : Emily McCleary

Contractor Responsive? Option: B Central Southern Construction Corp. $8,061,789.90

Kovilic Construction Company Inc $8,174,100.00 ERon Road Construction LLC $7,803,912.00 Structural Engineering Group, Inc. $5,652,024.90 Engineer's Estimate $9,960,000.00

Report Generated on 04/29/2026 12:34 PM [Timezone: (UTC-05:00) Eastern Time (US & Canada)]

Contractor Responsive? Option: C Central Southern Construction Corp. $9,068,551.70

Kovilic Construction Company Inc $9,039,575.00 ERon Road Construction LLC $7,937,434.00 Structural Engineering Group, Inc. $5,959,527.50 Engineer's Estimate $6,105,000.00

Report Generated on 04/29/2026 12:34 PM [Timezone: (UTC-05:00) Eastern Time (US & Canada)]

Project No. : WV ERFO FS

MNGAH921 2018-1

(1)

Project Name: Repair storm & flood damage on multiple roads & trails, including bridge replacement and slides

Division: Eastern Federal Lands

Schedule: A Schedule Type: Base Lead Designer:

Solicitation No. : 693C73-26-B-000006 Opened at: Ashburn, Virginia Opened by: Emily McCleary State: WV County: Grant, Pocahontas, Randolph, Tucker, Webster

Federal Land: Monongahela National Forest

Bid Open Date and Time: 04/28/2026

Contract Awarded to: Award Date:

Contractor Comment Bid Amount Responsive Central Southern Construction Corp., 119 Sewald Street, Jacksonville, FL, 32204

$4,553,496.50

Kovilic Construction Company Inc, 3721 N Carnation Street, Franklin Park, IL, 60131

$1,180,500.00

ERon Road Construction LLC, 11938 Mayfield Road Building 1, Chardon, OH, 44024

$946,991.00

Structural Engineering Group, Inc., 38997 E. Colonial Highway, Hamilton, VA, 20158

$764,406.70

Engineer's Estimate $645,000.00

I certify that this Bid Tabulation reflects the offers received for this solicitation

Signed:

Title:

Date:

Report Generated on 04/29/2026 12:34 PM [Timezone: (UTC-05:00) Eastern Time (US & Canada)]

Generated by : Emily McCleary

Emily McCleary

Contract Specialist

28 April 2026

Structural Engineering Group, Inc. 11 June 2026

Project No. : WV ERFO FS MNGAH921 2018-1 (1)

Project Name: Repair storm & flood damage on multiple roads & trails, including bridge replacement and slides

Schedule: A Schedule Type: Base

Line Item Number

Pay Item Number Description Contractor Quantity Unit Unit Price Amount

A1000 15101-0000 MOBILIZATION Central Southern Construction Corp. $2,111,600.00

ERon Road Construction LLC $271,828.00

Structural Engineering Group, Inc.

$151,320.50

Kovilic Construction Company Inc $100,000.00

Engineer's Estimate ALL LPSM LPSM $79,781.50

A1010 15201-0000 CONSTRUCTION

SURVEY AND

STAKING

Central Southern Construction Corp. $743,000.00

Kovilic Construction Company Inc $50,000.00

ERon Road Construction LLC $23,404.00

Structural Engineering Group, Inc.

$19,737.50

Engineer's Estimate ALL LPSM LPSM $14,000.00

A1020 15401-0000 CONTRACTOR

TESTING

Central Southern Construction Corp. $643,000.00

ERon Road Construction LLC $75,192.00

Kovilic Construction Company Inc $50,000.00

Structural Engineering Group, Inc.

$19,737.50

Engineer's Estimate ALL LPSM LPSM $11,000.00

A1030 15702-6000 SOIL EROSION

CONTROL,

TEMPORARY

STREAM

DIVERSION

Kovilic Construction Company Inc $200,000.00

Central Southern Construction Corp. $50,000.00

Structural Engineering Group, Inc.

$39,474.90

ERon Road Construction LLC $34,882.00

Engineer's Estimate ALL LPSM LPSM $8,500.00

Report Generated on 04/29/2026 12:34 PM [Timezone: (UTC-05:00) Eastern Time (US & Canada)]

A1040 15706-0200 SOIL EROSION

CONTROL, CHECK

DAM

Kovilic Construction Company Inc 6.000 $2,500.00 $15,000.00

Central Southern Construction Corp. 6.000 $706.50 $4,239.00

Structural Engineering Group, Inc.

6.000 $460.50 $2,763.00

ERon Road Construction LLC 6.000 $270.00 $1,620.00

Engineer's Estimate 6.000 EACH $770.00 $4,620.00

A1050 15720-0000 STORM WATER

POLLUTION

PREVENTION PLAN

Central Southern Construction Corp. $50,000.00

Kovilic Construction Company Inc $22,000.00

ERon Road Construction LLC $12,705.00

Structural Engineering Group, Inc.

$9,161.30

Engineer's Estimate ALL LPSM LPSM $6,400.00

A1060 20103-0000 CLEARING AND

GRUBBING

Central Southern Construction Corp. 2,750.000 $30.00 $82,500.00

ERon Road Construction LLC 2,750.000 $18.50 $50,875.00

Structural Engineering Group, Inc.

2,750.000 $9.20 $25,300.00

Kovilic Construction Company Inc 2,750.000 $9.00 $24,750.00

Engineer's Estimate 2,750.000 SQYD $15.50 $42,625.00

A1070 20301-1900 REMOVAL OF PIPE

CULVERT

Central Southern Construction Corp. 6.000 $5,000.00 $30,000.00

Kovilic Construction Company Inc 6.000 $5,000.00 $30,000.00

ERon Road Construction LLC 6.000 $2,622.00 $15,732.00

Structural Engineering Group, Inc.

6.000 $2,105.30 $12,631.80

Engineer's Estimate 6.000 EACH $3,500.00 $21,000.00

A1080 20401-0000 ROADWAY

EXCAVATION

Kovilic Construction Company Inc 180.000 $200.00 $36,000.00

Central Southern Construction Corp. 180.000 $100.00 $18,000.00

ERon Road Construction LLC 180.000 $86.00 $15,480.00

Report Generated on 04/29/2026 12:34 PM [Timezone: (UTC-05:00) Eastern Time (US & Canada)]

A1080 20401-0000 ROADWAY

EXCAVATION

Structural Engineering Group, Inc.

180.000 $32.90 $5,922.00

Engineer's Estimate 180.000 CUYD $80.00 $14,400.00 A1090 20820-0000 DEWATERING Kovilic Construction

Company Inc $50,000.00

Central Southern Construction Corp. $30,000.00

ERon Road Construction LLC $20,009.00

Structural Engineering Group, Inc.

$3,947.50

Engineer's Estimate ALL LPSM LPSM $27,300.00

A1100 25102-0200 PLACED RIPRAP,

METHOD A, CLASS

Central Southern Construction Corp. 265.000 $300.00 $79,500.00

Kovilic Construction Company Inc 265.000 $300.00 $79,500.00

Structural Engineering Group, Inc.

265.000 $151.30 $40,094.50

ERon Road Construction LLC 265.000 $100.00 $26,500.00

Engineer's Estimate 265.000 TON $175.00 $46,375.00

A1110 25102-0300 PLACED RIPRAP,

METHOD A, CLASS

Central Southern Construction Corp. 30.000 $350.00 $10,500.00

Kovilic Construction Company Inc 30.000 $350.00 $10,500.00

Structural Engineering Group, Inc.

30.000 $177.60 $5,328.00

ERon Road Construction LLC 30.000 $130.00 $3,900.00

Engineer's Estimate 30.000 TON $324.00 $9,720.00

A1120 30110-0000 AGGREGATE

SURFACE COURSE

Central Southern Construction Corp. 680.000 $204.00 $138,720.00

Structural Engineering Group, Inc.

680.000 $105.30 $71,604.00

Kovilic Construction Company Inc 680.000 $100.00 $68,000.00

ERon Road Construction LLC 680.000 $93.00 $63,240.00

Engineer's Estimate 680.000 TON $130.00 $88,400.00

A1130 30302-1000 DITCH

RECONDITIONING

Structural Engineering Group, Inc.

1,610.000 $35.50 $57,155.00

Report Generated on 04/29/2026 12:34 PM [Timezone: (UTC-05:00) Eastern Time (US & Canada)]

A1130 30302-1000 DITCH

RECONDITIONING

Kovilic Construction Company Inc 1,610.000 $25.00 $40,250.00

ERon Road Construction LLC 1,610.000 $21.00 $33,810.00

Central Southern Construction Corp. 1,610.000 $20.00 $32,200.00

Engineer's Estimate 1,610.000 LNFT $14.60 $23,506.00

A1140 30303-2000 AGGREGATE

SURFACE

RECONDITIONING

Kovilic Construction Company Inc 2,045.000 $100.00 $204,500.00

Central Southern Construction Corp. 2,045.000 $37.50 $76,687.50

Structural Engineering Group, Inc.

2,045.000 $14.50 $29,652.50

ERon Road Construction LLC 2,045.000 $5.00 $10,225.00

Engineer's Estimate 2,045.000 SQYD $21.50 $43,967.50

A1150 60103-1920 CONCRETE,

HEADWALL FOR 24

-INCH EQUIVALENT

DIAMETER PIPE

CULVERT

Structural Engineering Group, Inc.

3.000 $5,263.30 $15,789.90

Kovilic Construction Company Inc 3.000 $5,000.00 $15,000.00

ERon Road Construction LLC 3.000 $3,984.00 $11,952.00

Central Southern Construction Corp. 3.000 $2,025.00 $6,075.00

Engineer's Estimate 3.000 EACH $6,040.00 $18,120.00

A1160 60103-1940 CONCRETE,

HEADWALL FOR 30

-INCH EQUIVALENT

DIAMETER PIPE

CULVERT

Structural Engineering Group, Inc.

1.000 $6,579.20 $6,579.20

Kovilic Construction Company Inc 1.000 $6,000.00 $6,000.00

ERon Road Construction LLC 1.000 $4,602.00 $4,602.00

Central Southern Construction Corp. 1.000 $2,475.00 $2,475.00

Engineer's Estimate 1.000 EACH $10,250.00 $10,250.00

A1170 60103-1960 CONCRETE,

HEADWALL FOR 36

-INCH EQUIVALENT

DIAMETER PIPE

CULVERT (33-INCH

EQUIVALENT)

Kovilic Construction Company Inc 2.000 $7,000.00 $14,000.00

Structural Engineering Group, Inc.

2.000 $6,579.20 $13,158.40

ERon Road Construction LLC 2.000 $4,602.00 $9,204.00

Central Southern Construction Corp. 2.000 $3,150.00 $6,300.00

Engineer's Estimate 2.000 EACH $12,400.00 $24,800.00

Report Generated on 04/29/2026 12:34 PM [Timezone: (UTC-05:00) Eastern Time (US & Canada)]

A1180 60202-0400 24-INCH

EQUIVALENT

DIAMETER ARCH

OR ELLIPTICAL PIPE

CULVERT

Central Southern Construction Corp. 70.000 $1,000.00 $70,000.00

Structural Engineering Group, Inc.

70.000 $500.00 $35,000.00

ERon Road Construction LLC 70.000 $259.00 $18,130.00

Kovilic Construction Company Inc 70.000 $200.00 $14,000.00

Engineer's Estimate 70.000 LNFT $380.00 $26,600.00

A1190 60202-0500 30-INCH

EQUIVALENT

DIAMETER ARCH

OR ELLIPTICAL PIPE

CULVERT

Central Southern Construction Corp. 33.000 $1,200.00 $39,600.00

Structural Engineering Group, Inc.

33.000 $684.20 $22,578.60

ERon Road Construction LLC 33.000 $417.00 $13,761.00

Kovilic Construction Company Inc 33.000 $250.00 $8,250.00

Engineer's Estimate 33.000 LNFT $560.00 $18,480.00

A1200 60202-0600 36-INCH

EQUIVALENT

DIAMETER ARCH

OR ELLIPTICAL PIPE

CULVERT (33-INCH

EQUIVALENT)

Central Southern Construction Corp. 57.000 $1,400.00 $79,800.00

Structural Engineering Group, Inc.

57.000 $815.80 $46,500.60

ERon Road Construction LLC 57.000 $419.00 $23,883.00

Kovilic Construction Company Inc 57.000 $300.00 $17,100.00

Engineer's Estimate 57.000 LNFT $575.00 $32,775.00

A1210 62502-0000 TURF

ESTABLISHMENT

ERon Road Construction LLC 2,565.000 $33.00 $84,645.00

Central Southern Construction Corp. 2,565.000 $20.00 $51,300.00

Kovilic Construction Company Inc 2,565.000 $10.00 $25,650.00

Structural Engineering Group, Inc.

2,565.000 $1.30 $3,334.50

Engineer's Estimate 2,565.000 SQYD $12.00 $30,780.00

A1220 63501-0000 TEMPORARY

TRAFFIC CONTROL

Central Southern Construction Corp. $100,000.00

Kovilic Construction Company Inc $50,000.00

ERon Road Construction LLC $28,802.00

Report Generated on 04/29/2026 12:34 PM [Timezone: (UTC-05:00) Eastern Time (US & Canada)]

A1220 63501-0000 TEMPORARY

TRAFFIC CONTROL

Structural Engineering Group, Inc.

$26,316.60

Engineer's Estimate ALL LPSM LPSM $10,600.00 A1230 63701-0000 FIELD OFFICE Structural

Engineering Group, Inc.

1.000 $101,318.90 $101,318.90

Central Southern Construction Corp. 1.000 $98,000.00 $98,000.00

ERon Road Construction LLC 1.000 $92,610.00 $92,610.00

Kovilic Construction Company Inc 1.000 $50,000.00 $50,000.00

Engineer's Estimate 1.000 EACH $31,000.00 $31,000.00

Report Generated on 04/29/2026 12:34 PM [Timezone: (UTC-05:00) Eastern Time (US & Canada)]

MNGAH921 2018-1

(1)

Project Name: Repair storm & flood damage on multiple roads & trails, including bridge replacement and slides

Division: Eastern Federal Lands

Schedule: B Schedule Type: Option Lead Designer:

Solicitation No. : 693C73-26-B-000006 Opened at: Ashburn, Virginia Opened by: Emily McCleary State: WV County: Grant, Pocahontas, Randolph, Tucker, Webster

Federal Land: Monongahela National Forest

Bid Open Date and Time: 04/28/2026

Contract Awarded to: Award Date:

Contractor Comment Bid Amount Responsive Kovilic Construction Company Inc, 3721 N Carnation Street, Franklin Park, IL, 60131

$8,174,100.00

Central Southern Construction Corp., 119 Sewald Street, Jacksonville, FL, 32204

$8,061,789.90

ERon Road Construction LLC, 11938 Mayfield Road Building 1, Chardon, OH, 44024

$7,803,912.00

Structural Engineering Group, Inc., 38997 E. Colonial Highway, Hamilton, VA, 20158

$5,652,024.90

Engineer's Estimate $9,960,000.00

I certify that this Bid Tabulation reflects the offers received for this solicitation

Signed:

Title:

Date:

Report Generated on 04/29/2026 12:34 PM [Timezone: (UTC-05:00) Eastern Time (US & Canada)]

Generated by : Emily McCleary

Emily McCleary

Contract Specialist

(1)

Project Name: Repair storm & flood damage on multiple roads & trails, including bridge replacement and slides

Schedule: B Schedule Type: Option

Line Item Number

Pay Item Number Description Contractor Quantity Unit Unit Price Amount

B1000 15101-0000 MOBILIZATION ERon Road Construction LLC $1,262,705.00

Structural Engineering Group, Inc.

$513,817.50

Central Southern Construction Corp. $506,900.00

Kovilic Construction Company Inc $400,000.00

Engineer's Estimate ALL LPSM LPSM $1,210,788.75

B1010 15201-0000 CONSTRUCTION

SURVEY AND

STAKING

Central Southern Construction Corp. $272,000.00

Structural Engineering Group, Inc.

$157,486.70

Kovilic Construction Company Inc $100,000.00

ERon Road Construction LLC $41,033.00

Engineer's Estimate ALL LPSM LPSM $218,000.00

B1020 15401-0000 CONTRACTOR

TESTING

ERon Road Construction LLC $284,960.00

Central Southern Construction Corp. $272,000.00

Structural Engineering Group, Inc.

$145,821.00

Kovilic Construction Company Inc $100,000.00

Engineer's Estimate ALL LPSM LPSM $162,000.00

B1030 15702-4000 SOIL EROSION

CONTROL, FILTER

BAG

Kovilic Construction Company Inc $200,000.00

Central Southern Construction Corp. $10,000.00

Structural Engineering Group, Inc.

$9,332.50

ERon Road Construction LLC $3,033.00

Engineer's Estimate ALL LPSM LPSM $9,100.00

Report Generated on 04/29/2026 12:34 PM [Timezone: (UTC-05:00) Eastern Time (US & Canada)]

B1040 15702-5000 SOIL EROSION

CONTROL,

TEMPORARY

DIVERSION BERM

Kovilic Construction Company Inc $250,000.00

ERon Road Construction LLC $55,266.00

Central Southern Construction Corp. $40,000.00

Structural Engineering Group, Inc.

$17,498.50

Engineer's Estimate ALL LPSM LPSM $10,100.00

B1050 15702-6000 SOIL EROSION

CONTROL,

TEMPORARY

STREAM

DIVERSION

Kovilic Construction Company Inc $350,000.00

Structural Engineering Group, Inc.

$74,660.40

ERon Road Construction LLC $40,233.00

Central Southern Construction Corp. $40,000.00

Engineer's Estimate ALL LPSM LPSM $25,000.00

B1060 15705-0100 SOIL EROSION

CONTROL, SILT

FENCE

Structural Engineering Group, Inc.

1,915.000 $15.20 $29,108.00

Central Southern Construction Corp. 1,915.000 $13.50 $25,852.50

ERon Road Construction LLC 1,915.000 $11.00 $21,065.00

Kovilic Construction Company Inc 1,915.000 $10.00 $19,150.00

Engineer's Estimate 1,915.000 LNFT $17.85 $34,182.75

B1070 15706-0200 SOIL EROSION

CONTROL, CHECK

DAM

Kovilic Construction Company Inc 6.000 $2,500.00 $15,000.00

Central Southern Construction Corp. 6.000 $706.50 $4,239.00

ERon Road Construction LLC 6.000 $688.00 $4,128.00

Structural Engineering Group, Inc.

6.000 $414.10 $2,484.60

Engineer's Estimate 6.000 EACH $770.00 $4,620.00

B1080 15720-0000 STORM WATER

POLLUTION

PREVENTION PLAN

Central Southern Construction Corp. $50,000.00

Kovilic Construction Company Inc $30,000.00

Structural Engineering Group, Inc.

$13,998.80

Report Generated on 04/29/2026 12:34 PM [Timezone: (UTC-05:00) Eastern Time (US & Canada)]

B1080 15720-0000 STORM WATER

POLLUTION

PREVENTION PLAN

ERon Road Construction LLC $12,705.00

Engineer's Estimate ALL LPSM LPSM $6,400.00

B1090 20103-0000 CLEARING AND

GRUBBING

ERon Road Construction LLC 13,130.000 $18.50 $242,905.00

Central Southern Construction Corp. 13,130.000 $15.00 $196,950.00

Kovilic Construction Company Inc 13,130.000 $9.00 $118,170.00

Structural Engineering Group, Inc.

13,130.000 $8.20 $107,666.00

Engineer's Estimate 13,130.000 SQYD $15.50 $203,515.00

B1100 20301-0300 REMOVAL OF BOX

CULVERT

Central Southern Construction Corp. 1.000 $40,000.00 $40,000.00

Structural Engineering Group, Inc.

1.000 $32,663.90 $32,663.90

Kovilic Construction Company Inc 1.000 $20,000.00 $20,000.00

ERon Road Construction LLC 1.000 $14,741.00 $14,741.00

Engineer's Estimate 1.000 EACH $39,300.00 $39,300.00

B1110 20301-0400 REMOVAL OF

BRIDGE (TIMBER

TRAIL BRIDGE)

Central Southern Construction Corp. 2.000 $45,000.00 $90,000.00

Structural Engineering Group, Inc.

2.000 $41,996.50 $83,993.00

Kovilic Construction Company Inc 2.000 $25,000.00 $50,000.00

ERon Road Construction LLC 2.000 $7,812.00 $15,624.00

Engineer's Estimate 2.000 EACH $20,200.00 $40,400.00

B1120 20301-1900 REMOVAL OF PIPE

CULVERT

Central Southern Construction Corp. 4.000 $5,000.00 $20,000.00

Kovilic Construction Company Inc 4.000 $5,000.00 $20,000.00

Structural Engineering Group, Inc.

4.000 $2,333.10 $9,332.40

ERon Road Construction LLC 4.000 $1,595.00 $6,380.00

Engineer's Estimate 4.000 EACH $3,500.00 $14,000.00

B1130 20303-1600 REMOVAL OF

PAVEMENT,

ASPHALT

ERon Road Construction LLC 1,315.000 $27.00 $35,505.00

Kovilic Construction Company Inc 1,315.000 $27.00 $35,505.00

Report Generated on 04/29/2026 12:34 PM [Timezone: (UTC-05:00) Eastern Time (US & Canada)]

B1130 20303-1600 REMOVAL OF

PAVEMENT,

ASPHALT

Structural Engineering Group, Inc.

1,315.000 $23.30 $30,639.50

Central Southern Construction Corp. 1,315.000 $22.50 $29,587.50

Engineer's Estimate 1,315.000 SQYD $21.00 $27,615.00

B1140 20401-0000 ROADWAY

EXCAVATION

Kovilic Construction Company Inc 10,940.000 $150.00 $1,641,000.00

Central Southern Construction Corp. 10,940.000 $80.00 $875,200.00

ERon Road Construction LLC 10,940.000 $76.00 $831,440.00

Structural Engineering Group, Inc.

10,940.000 $60.70 $664,058.00

Engineer's Estimate 10,940.000 CUYD $80.00 $875,200.00 B1150 20410-0000 SELECT BORROW Structural

Engineering Group, Inc.

4,460.000 $168.00 $749,280.00

Kovilic Construction Company Inc 4,460.000 $150.00 $669,000.00

Central Southern Construction Corp. 4,460.000 $120.00 $535,200.00

ERon Road Construction LLC 4,460.000 $116.00 $517,360.00

Engineer's Estimate 4,460.000 CUYD $82.00 $365,720.00

B1160 20420-0000 EMBANKMENT

CONSTRUCTION

Kovilic Construction Company Inc 100.000 $200.00 $20,000.00

ERon Road Construction LLC 100.000 $187.00 $18,700.00

Central Southern Construction Corp. 100.000 $100.00 $10,000.00

Structural Engineering Group, Inc.

100.000 $17.50 $1,750.00

Engineer's Estimate 100.000 CUYD $120.00 $12,000.00

B1170 20703-2000 GEOGRID,

STABILIZATION

Central Southern Construction Corp. 24,500.000 $9.00 $220,500.00

Kovilic Construction Company Inc 24,500.000 $9.00 $220,500.00

ERon Road Construction LLC 24,500.000 $6.00 $147,000.00

Structural Engineering Group, Inc.

24,500.000 $5.20 $127,400.00

Engineer's Estimate 24,500.000 SQYD $5.50 $134,750.00

B1180 20801-0000 STRUCTURE

EXCAVATION

Kovilic Construction Company Inc 165.000 $150.00 $24,750.00

Report Generated on 04/29/2026 12:34 PM [Timezone: (UTC-05:00) Eastern Time (US & Canada)]

B1180 20801-0000 STRUCTURE

EXCAVATION

Central Southern Construction Corp. 165.000 $100.00 $16,500.00

ERon Road Construction LLC 165.000 $84.00 $13,860.00

Structural Engineering Group, Inc.

165.000 $40.80 $6,732.00

Engineer's Estimate 165.000 CUYD $140.00 $23,100.00 B1190 20820-0000 DEWATERING Kovilic Construction

Company Inc $300,000.00

Central Southern Construction Corp. $30,000.00

ERon Road Construction LLC $26,845.00

Structural Engineering Group, Inc.

$23,331.40

Engineer's Estimate ALL LPSM LPSM $13,650.00

B1200 25102-0200 PLACED RIPRAP,

METHOD A, CLASS

Central Southern Construction Corp. 130.000 $300.00 $39,000.00

Kovilic Construction Company Inc 130.000 $300.00 $39,000.00

Structural Engineering Group, Inc.

130.000 $140.00 $18,200.00

ERon Road Construction LLC 130.000 $119.00 $15,470.00

Engineer's Estimate 130.000 TON $175.00 $22,750.00

B1210 25102-0300 PLACED RIPRAP,

METHOD A, CLASS

Central Southern Construction Corp. 35.000 $350.00 $12,250.00

Kovilic Construction Company Inc 35.000 $350.00 $12,250.00

Structural Engineering Group, Inc.

35.000 $198.30 $6,940.50

ERon Road Construction LLC 35.000 $168.00 $5,880.00

Engineer's Estimate 35.000 TON $324.00 $11,340.00

B1220 25102-0400 PLACED RIPRAP,

METHOD A, CLASS

Central Southern Construction Corp. 585.000 $400.00 $234,000.00

Kovilic Construction Company Inc 585.000 $400.00 $234,000.00

Structural Engineering Group, Inc.

585.000 $175.00 $102,375.00

ERon Road Construction LLC 585.000 $115.00 $67,275.00

Engineer's Estimate 585.000 TON $155.00 $90,675.00

Report Generated on 04/29/2026 12:34 PM [Timezone: (UTC-05:00) Eastern Time (US & Canada)]

B1230 25102-0500 PLACED RIPRAP,

METHOD A, CLASS

Central Southern Construction Corp. 65.000 $500.00 $32,500.00

Kovilic Construction Company Inc 65.000 $450.00 $29,250.00

Structural Engineering Group, Inc.

65.000 $192.50 $12,512.50

ERon Road Construction LLC 65.000 $128.00 $8,320.00

Engineer's Estimate 65.000 TON $130.00 $8,450.00

B1240 25701-0600 CONTRACTOR

FURNISHED

REINFORCED SOIL

SLOPE DESIGN

ERon Road Construction LLC $280,412.00

Structural Engineering Group, Inc.

$93,325.50

Central Southern Construction Corp. $50,000.00

Kovilic Construction Company Inc $50,000.00

Engineer's Estimate ALL LPSM LPSM $80,600.00

B1250 26303-0000 CONCRETE

LAGGING

Kovilic Construction Company Inc 5,955.000 $100.00 $595,500.00

Central Southern Construction Corp. 5,955.000 $90.48 $538,808.40

ERon Road Construction LLC 5,955.000 $61.00 $363,255.00

Structural Engineering Group, Inc.

5,955.000 $33.80 $201,279.00

Engineer's Estimate 5,955.000 SQFT $155.00 $923,025.00

B1260 30101-4000 AGGREGATE BASE

GRADING C OR D

Central Southern Construction Corp. 700.000 $204.00 $142,800.00

ERon Road Construction LLC 700.000 $187.00 $130,900.00

Kovilic Construction Company Inc 700.000 $100.00 $70,000.00

Structural Engineering Group, Inc.

700.000 $93.30 $65,310.00

Engineer's Estimate 700.000 TON $115.00 $80,500.00

B1270 30110-0000 AGGREGATE

SURFACE COURSE

ERon Road Construction LLC 270.000 $207.00 $55,890.00

Central Southern Construction Corp. 270.000 $204.00 $55,080.00

Kovilic Construction Company Inc 270.000 $100.00 $27,000.00

Report Generated on 04/29/2026 12:34 PM [Timezone: (UTC-05:00) Eastern Time (US & Canada)]

B1270 30110-0000 AGGREGATE

SURFACE COURSE

Structural Engineering Group, Inc.

270.000 $93.30 $25,191.00

Engineer's Estimate 270.000 TON $130.00 $35,100.00

B1280 30302-1000 DITCH

RECONDITIONING

Structural Engineering Group, Inc.

1,535.000 $31.50 $48,352.50

Kovilic Construction Company Inc 1,535.000 $25.00 $38,375.00

Central Southern Construction Corp. 1,535.000 $20.00 $30,700.00

ERon Road Construction LLC 1,535.000 $19.00 $29,165.00

Engineer's Estimate 1,535.000 LNFT $14.60 $22,411.00

B1290 30303-2000 AGGREGATE

SURFACE

RECONDITIONING

Central Southern Construction Corp. 475.000 $37.50 $17,812.50

Kovilic Construction Company Inc 475.000 $27.00 $12,825.00

Structural Engineering Group, Inc.

475.000 $15.10 $7,172.50

ERon Road Construction LLC 475.000 $5.00 $2,375.00

Engineer's Estimate 475.000 SQYD $21.50 $10,212.50

B1300 40301-0100 ASPHALT

CONCRETE

PAVEMENT, TYPE 1

Central Southern Construction Corp. 230.000 $500.00 $115,000.00

ERon Road Construction LLC 230.000 $356.00 $81,880.00

Kovilic Construction Company Inc 230.000 $350.00 $80,500.00

Structural Engineering Group, Inc.

230.000 $347.60 $79,948.00

Engineer's Estimate 230.000 TON $353.00 $81,190.00

B1310 55201-0200 STRUCTURAL

CONCRETE, CLASS

A (AE)

ERon Road Construction LLC 20.000 $6,674.00 $133,480.00

Kovilic Construction Company Inc 20.000 $5,000.00 $100,000.00

Structural Engineering Group, Inc.

20.000 $3,499.70 $69,994.00

Central Southern Construction Corp. 20.000 $3,000.00 $60,000.00

Engineer's Estimate 20.000 CUYD $2,200.00 $44,000.00

B1320 55401-2000 REINFORCING

STEEL, EPOXY

COATED

ERon Road Construction LLC 1,600.000 $23.00 $36,800.00

Central Southern Construction Corp. 1,600.000 $20.00 $32,000.00

Report Generated on 04/29/2026 12:34 PM [Timezone: (UTC-05:00) Eastern Time (US & Canada)]

B1320 55401-2000 REINFORCING

STEEL, EPOXY

COATED

Kovilic Construction Company Inc 1,600.000 $5.00 $8,000.00

Structural Engineering Group, Inc.

1,600.000 $2.60 $4,160.00

Engineer's Estimate 1,600.000 LB $5.00 $8,000.00

B1330 55505-0000 STRUCTURAL STEEL

SOLDIER PILE

Central Southern Construction Corp. 2,970.000 $370.50 $1,100,385.00

Structural Engineering Group, Inc.

2,970.000 $350.00 $1,039,500.00

ERon Road Construction LLC 2,970.000 $333.00 $989,010.00

Kovilic Construction Company Inc 2,970.000 $200.00 $594,000.00

Engineer's Estimate 2,970.000 LNFT $280.00 $831,600.00

B1340 55601-1300 BRIDGE RAILING,

TIMBER

ERon Road Construction LLC 170.000 $738.00 $125,460.00

Central Southern Construction Corp. 170.000 $350.00 $59,500.00

Kovilic Construction Company Inc 170.000 $300.00 $51,000.00

Structural Engineering Group, Inc.

170.000 $145.80 $24,786.00

Engineer's Estimate 170.000 LNFT $155.00 $26,350.00

B1350 55701-2000 STRUCTURAL

TIMBER AND

LUMBER, TREATED

Kovilic Construction Company Inc 6.000 $60,000.00 $360,000.00

Structural Engineering Group, Inc.

6.000 $28,137.60 $168,825.60

ERon Road Construction LLC 6.000 $24,379.00 $146,274.00

Central Southern Construction Corp. 6.000 $20,000.00 $120,000.00

Engineer's Estimate 6.000 MFBM $16,300.00 $97,800.00 B1360 56401-0000 BEARING DEVICE Central Southern

Construction Corp. 10.000 $5,000.00 $50,000.00

Structural Engineering Group, Inc.

10.000 $2,449.80 $24,498.00

ERon Road Construction LLC 10.000 $2,033.00 $20,330.00

Kovilic Construction Company Inc 10.000 $1,000.00 $10,000.00

Engineer's Estimate 10.000 EACH $1,950.00 $19,500.00

B1370 56501-0300 DRILLED SHAFT, 30-

INCH DIAMETER

Central Southern Construction Corp. 2,150.000 $656.50 $1,411,475.00

Report Generated on 04/29/2026 12:34 PM [Timezone: (UTC-05:00) Eastern Time (US & Canada)]

B1370 56501-0300 DRILLED SHAFT, 30-

INCH DIAMETER

ERon Road Construction LLC 2,150.000 $394.00 $847,100.00

Kovilic Construction Company Inc 2,150.000 $350.00 $752,500.00

Structural Engineering Group, Inc.

2,150.000 $93.30 $200,595.00

Engineer's Estimate 2,150.000 LNFT $1,660.00 $3,569,000.00

B1380 60103-0140 CONCRETE,

HEADWALL FOR 24

-INCH PIPE

CULVERT

Kovilic Construction Company Inc 2.000 $5,000.00 $10,000.00

Structural Engineering Group, Inc.

2.000 $4,666.30 $9,332.60

ERon Road Construction LLC 2.000 $3,984.00 $7,968.00

Central Southern Construction Corp. 2.000 $2,025.00 $4,050.00

Engineer's Estimate 2.000 EACH $6,350.00 $12,700.00

B1390 60103-0260 CONCRETE,

HEADWALL FOR 60

-INCH PIPE

CULVERT

Central Southern Construction Corp. 2.000 $21,150.00 $42,300.00

Structural Engineering Group, Inc.

2.000 $18,665.10 $37,330.20

Kovilic Construction Company Inc 2.000 $15,000.00 $30,000.00

ERon Road Construction LLC 2.000 $10,834.00 $21,668.00

Engineer's Estimate 2.000 EACH $17,300.00 $34,600.00

B1400 60201-0400 12-INCH PIPE

CULVERT

Central Southern Construction Corp. 11.000 $700.00 $7,700.00

Structural Engineering Group, Inc.

11.000 $233.30 $2,566.30

ERon Road Construction LLC 11.000 $170.00 $1,870.00

Kovilic Construction Company Inc 11.000 $150.00 $1,650.00

Engineer's Estimate 11.000 LNFT $310.00 $3,410.00

B1410 60201-0800 24-INCH PIPE

CULVERT

Central Southern Construction Corp. 48.000 $1,000.00 $48,000.00

Structural Engineering Group, Inc.

48.000 $280.00 $13,440.00

Kovilic Construction Company Inc 48.000 $250.00 $12,000.00

ERon Road Construction LLC 48.000 $141.00 $6,768.00

Engineer's Estimate 48.000 LNFT $280.00 $13,440.00

Report Generated on 04/29/2026 12:34 PM [Timezone: (UTC-05:00) Eastern Time (US & Canada)]

B1420 60201-1400 60-INCH PIPE

CULVERT

Central Southern Construction Corp. 97.000 $1,900.00 $184,300.00

Structural Engineering Group, Inc.

97.000 $1,283.20 $124,470.40

Kovilic Construction Company Inc 97.000 $1,000.00 $97,000.00

ERon Road Construction LLC 97.000 $802.00 $77,794.00

Engineer's Estimate 97.000 LNFT $555.00 $53,835.00

B1430 60202-0600 36-INCH

EQUIVALENT

DIAMETER ARCH

OR ELLIPTICAL PIPE

CULVERT

Central Southern Construction Corp. 35.000 $1,700.00 $59,500.00

Structural Engineering Group, Inc.

35.000 $699.90 $24,496.50

Kovilic Construction Company Inc 35.000 $500.00 $17,500.00

ERon Road Construction LLC 35.000 $415.00 $14,525.00

Engineer's Estimate 35.000 LNFT $575.00 $20,125.00

B1440 60502-0000 GEOCOMPOSITE

UNDERDRAIN

SYSTEM

Structural Engineering Group, Inc.

545.000 $93.30 $50,848.50

Central Southern Construction Corp. 545.000 $60.00 $32,700.00

ERon Road Construction LLC 545.000 $47.00 $25,615.00

Kovilic Construction Company Inc 545.000 $45.00 $24,525.00

Engineer's Estimate 545.000 LNFT $130.00 $70,850.00

B1450 60704-0000 CLEANING

CULVERT IN PLACE

Central Southern Construction Corp. 1.000 $6,000.00 $6,000.00

ERon Road Construction LLC 1.000 $3,192.00 $3,192.00

Structural Engineering Group, Inc.

1.000 $2,333.10 $2,333.10

Kovilic Construction Company Inc 1.000 $2,000.00 $2,000.00

Engineer's Estimate 1.000 EACH $3,170.00 $3,170.00

B1460 61010-0000 DRAINAGE WEEP

HOLE

Central Southern Construction Corp. 11.000 $1,000.00 $11,000.00

ERon Road Construction LLC 11.000 $908.00 $9,988.00

Kovilic Construction Company Inc 11.000 $500.00 $5,500.00

Report Generated on 04/29/2026 12:34 PM [Timezone: (UTC-05:00) Eastern Time (US & Canada)]

B1460 61010-0000 DRAINAGE WEEP

HOLE

Structural Engineering Group, Inc.

11.000 $70.00 $770.00

Engineer's Estimate 11.000 EACH $2,215.00 $24,365.00

B1470 62502-0000 TURF

ESTABLISHMENT

ERon Road Construction LLC 11,580.000 $35.00 $405,300.00

Central Southern Construction Corp. 11,580.000 $15.00 $173,700.00

Kovilic Construction Company Inc 11,580.000 $5.00 $57,900.00

Structural Engineering Group, Inc.

11,580.000 $1.20 $13,896.00

Engineer's Estimate 11,580.000 SQYD $12.00 $138,960.00

B1480 62901-0000 ROLLED EROSION

CONTROL

PRODUCT

Structural Engineering Group, Inc.

2,750.000 $122.50 $336,875.00

ERon Road Construction LLC 2,750.000 $81.00 $222,750.00

Central Southern Construction Corp. 2,750.000 $13.20 $36,300.00

Kovilic Construction Company Inc 2,750.000 $5.00 $13,750.00

Engineer's Estimate 2,750.000 SQYD $10.00 $27,500.00

B1490 62903-0000 CELLULAR

CONFINEMENT

SYSTEM

Central Southern Construction Corp. 20.000 $1,000.00 $20,000.00

ERon Road Construction LLC 20.000 $525.00 $10,500.00

Structural Engineering Group, Inc.

20.000 $332.50 $6,650.00

Kovilic Construction Company Inc 20.000 $250.00 $5,000.00

Engineer's Estimate 20.000 SQYD $55.00 $1,100.00

B1500 63501-0000 TEMPORARY

TRAFFIC CONTROL

Kovilic Construction Company Inc $250,000.00

ERon Road Construction LLC $61,210.00

Central Southern Construction Corp. $50,000.00

Structural Engineering Group, Inc.

$34,997.00

Engineer's Estimate ALL LPSM LPSM $164,000.00

Report Generated on 04/29/2026 12:34 PM [Timezone: (UTC-05:00) Eastern Time (US & Canada)]

MNGAH921 2018-1

(1)

Project Name: Repair storm & flood damage on multiple roads & trails, including bridge replacement and slides

Division: Eastern Federal Lands

Schedule: C Schedule Type: Option Lead Designer:

Solicitation No. : 693C73-26-B-000006 Opened at: Ashburn, Virginia Opened by: Emily McCleary State: WV County: Grant, Pocahontas, Randolph, Tucker, Webster

Federal Land: Monongahela National Forest

Bid Open Date and Time: 04/28/2026

Contract Awarded to: Award Date:

Contractor Comment Bid Amount Responsive Central Southern Construction Corp., 119 Sewald Street, Jacksonville, FL, 32204

$9,068,551.70

Kovilic Construction Company Inc, 3721 N Carnation Street, Franklin Park, IL, 60131

$9,039,575.00

ERon Road Construction LLC, 11938 Mayfield Road Building 1, Chardon, OH, 44024

$7,937,434.00

Structural Engineering Group, Inc., 38997 E. Colonial Highway, Hamilton, VA, 20158

$5,959,527.50

Engineer's Estimate $6,105,000.00

I certify that this Bid Tabulation reflects the offers received for this solicitation

Signed:

Title:

Date:

Report Generated on 04/29/2026 12:34 PM [Timezone: (UTC-05:00) Eastern Time (US & Canada)]

Generated by : Emily McCleary

Emily McCleary

Contract Specialist

(1)

Project Name: Repair storm & flood damage on multiple roads & trails, including bridge replacement and slides

Schedule: C Schedule Type: Option

Line Item Number

Pay Item Number Description Contractor Quantity Unit Unit Price Amount

C1000 15101-0000 MOBILIZATION ERon Road Construction LLC $1,599,331.00

Structural Engineering Group, Inc.

$745,116.80

Kovilic Construction Company Inc $500,000.00

Central Southern Construction Corp. $436,700.00

Engineer's Estimate ALL LPSM LPSM $738,687.00

C1010 15201-0000 CONSTRUCTION

SURVEY AND

STAKING

Central Southern Construction Corp. $272,000.00

Structural Engineering Group, Inc.

$160,531.70

Kovilic Construction Company Inc $150,000.00

ERon Road Construction LLC $59,954.00

Engineer's Estimate ALL LPSM LPSM $133,000.00

C1020 15401-0000 CONTRACTOR

TESTING

ERon Road Construction LLC $309,521.00

Central Southern Construction Corp. $272,000.00

Structural Engineering Group, Inc.

$172,422.90

Kovilic Construction Company Inc $150,000.00

Engineer's Estimate ALL LPSM LPSM $99,000.00

C1030 15702-4000 SOIL EROSION

CONTROL, FILTER

BAG

Kovilic Construction Company Inc $200,000.00

Central Southern Construction Corp. $15,000.00

Structural Engineering Group, Inc.

$9,513.00

ERon Road Construction LLC $4,840.00

Engineer's Estimate ALL LPSM LPSM $9,100.00

Report Generated on 04/29/2026 12:34 PM [Timezone: (UTC-05:00) Eastern Time (US & Canada)]

C1040 15702-5000 SOIL EROSION

CONTROL,

TEMPORARY

DIVERSION BERM

Kovilic Construction Company Inc $400,000.00

ERon Road Construction LLC $105,988.00

Structural Engineering Group, Inc.

$45,186.70

Central Southern Construction Corp. $40,000.00

Engineer's Estimate ALL LPSM LPSM $10,100.00

C1050 15702-6000 SOIL EROSION

CONTROL,

TEMPORARY

STREAM

DIVERSION

Kovilic Construction Company Inc $400,000.00

Structural Engineering Group, Inc.

$136,749.20

ERon Road Construction LLC $52,511.00

Central Southern Construction Corp. $40,000.00

Engineer's Estimate ALL LPSM LPSM $50,000.00

C1060 15705-0100 SOIL EROSION

CONTROL, SILT

FENCE

Structural Engineering Group, Inc.

1,190.000 $15.50 $18,445.00

ERon Road Construction LLC 1,190.000 $14.00 $16,660.00

Central Southern Construction Corp. 1,190.000 $13.50 $16,065.00

Kovilic Construction Company Inc 1,190.000 $10.00 $11,900.00

Engineer's Estimate 1,190.000 LNFT $17.85 $21,241.50

C1070 15706-0200 SOIL EROSION

CONTROL, CHECK

DAM

Kovilic Construction Company Inc 14.000 $2,500.00 $35,000.00

Central Southern Construction Corp. 14.000 $706.50 $9,891.00

Structural Engineering Group, Inc.

14.000 $422.10 $5,909.40

ERon Road Construction LLC 14.000 $337.00 $4,718.00

Engineer's Estimate 14.000 EACH $770.00 $10,780.00

C1080 15720-0000 STORM WATER

POLLUTION

PREVENTION PLAN

Central Southern Construction Corp. $50,000.00

Kovilic Construction Company Inc $50,000.00

Structural Engineering Group, Inc.

$47,565.00

Report Generated on 04/29/2026 12:34 PM [Timezone: (UTC-05:00) Eastern Time (US & Canada)]

C1080 15720-0000 STORM WATER

POLLUTION

PREVENTION PLAN

ERon Road Construction LLC $12,705.00

Engineer's Estimate ALL LPSM LPSM $12,800.00

C1090 20103-0000 CLEARING AND

GRUBBING

ERon Road Construction LLC 14,720.000 $18.00 $264,960.00

Central Southern Construction Corp. 14,720.000 $15.00 $220,800.00

Kovilic Construction Company Inc 14,720.000 $9.00 $132,480.00

Structural Engineering Group, Inc.

14,720.000 $8.30 $122,176.00

Engineer's Estimate 14,720.000 SQYD $15.50 $228,160.00

C1100 20301-0400 REMOVAL OF

BRIDGE (STEEL

TRAIL BRIDGE)

Kovilic Construction Company Inc 2.000 $100,000.00 $200,000.00

Structural Engineering Group, Inc.

2.000 $89,184.30 $178,368.60

Central Southern Construction Corp. 2.000 $40,000.00 $80,000.00

ERon Road Construction LLC 2.000 $9,146.00 $18,292.00

Engineer's Estimate 2.000 EACH $97,500.00 $195,000.00

C1110 20301-0400 REMOVAL OF

BRIDGE (TIMBER

TRAIL BRIDGE)

Kovilic Construction Company Inc 1.000 $100,000.00 $100,000.00

Structural Engineering Group, Inc.

1.000 $49,943.20 $49,943.20

Central Southern Construction Corp. 1.000 $30,000.00 $30,000.00

ERon Road Construction LLC 1.000 $9,146.00 $9,146.00

Engineer's Estimate 1.000 EACH $20,200.00 $20,200.00

C1120 20301-1900 REMOVAL OF PIPE

CULVERT

Kovilic Construction Company Inc 10.000 $5,000.00 $50,000.00

Central Southern Construction Corp. 10.000 $3,500.00 $35,000.00

ERon Road Construction LLC 10.000 $2,661.00 $26,610.00

Structural Engineering Group, Inc.

10.000 $2,378.20 $23,782.00

Engineer's Estimate 10.000 EACH $3,500.00 $35,000.00

C1130 20304-8000 REMOVAL OF

WINGWALL

CONCRETE

Kovilic Construction Company Inc $85,000.00

ERon Road Construction LLC $43,091.00

Report Generated on 04/29/2026 12:34 PM [Timezone: (UTC-05:00) Eastern Time (US & Canada)]

C1130 20304-8000 REMOVAL OF

WINGWALL

CONCRETE

Central Southern Construction Corp. $10,000.00

Structural Engineering Group, Inc.

$8,918.40

Engineer's Estimate ALL LPSM LPSM $8,500.00

C1140 20401-0000 ROADWAY

EXCAVATION

Kovilic Construction Company Inc 3,665.000 $200.00 $733,000.00

Central Southern Construction Corp. 3,665.000 $100.00 $366,500.00

ERon Road Construction LLC 3,665.000 $85.00 $311,525.00

Structural Engineering Group, Inc.

3,665.000 $65.40 $239,691.00

Engineer's Estimate 3,665.000 CUYD $80.00 $293,200.00 C1150 20402-0000 SUBEXCAVATION Kovilic Construction

Company Inc 720.000 $200.00 $144,000.00

Central Southern Construction Corp. 720.000 $150.00 $108,000.00

ERon Road Construction LLC 720.000 $98.00 $70,560.00

Structural Engineering Group, Inc.

720.000 $65.40 $47,088.00

Engineer's Estimate 720.000 CUYD $75.00 $54,000.00 C1160 20410-0000 SELECT BORROW Structural

Engineering Group, Inc.

1,090.000 $211.70 $230,753.00

Kovilic Construction Company Inc 1,090.000 $200.00 $218,000.00

ERon Road Construction LLC 1,090.000 $167.00 $182,030.00

Central Southern Construction Corp. 1,090.000 $125.00 $136,250.00

Engineer's Estimate 1,090.000 CUYD $82.00 $89,380.00

C1170 20420-0000 EMBANKMENT

CONSTRUCTION

Kovilic Construction Company Inc 665.000 $350.00 $232,750.00

ERon Road Construction LLC 665.000 $175.00 $116,375.00

Central Southern Construction Corp. 665.000 $80.00 $53,200.00

Structural Engineering Group, Inc.

665.000 $20.20 $13,433.00

Engineer's Estimate 665.000 CUYD $120.00 $79,800.00 C1180 20421-0000 ROCK EXCAVATION Central Southern

Construction Corp. 17.000 $1,200.00 $20,400.00

Report Generated on 04/29/2026 12:34 PM [Timezone: (UTC-05:00) Eastern Time (US & Canada)]

C1180 20421-0000 ROCK EXCAVATION Kovilic Construction Company Inc 17.000 $1,000.00 $17,000.00

ERon Road Construction LLC 17.000 $165.00 $2,805.00

Structural Engineering Group, Inc.

17.000 $101.10 $1,718.70

Engineer's Estimate 17.000 CUYD $650.00 $11,050.00

C1190 20703-2000 GEOGRID,

STABILIZATION

Kovilic Construction Company Inc 425.000 $27.00 $11,475.00

Central Southern Construction Corp. 425.000 $20.00 $8,500.00

ERon Road Construction LLC 425.000 $15.00 $6,375.00

Structural Engineering Group, Inc.

425.000 $8.30 $3,527.50

Engineer's Estimate 425.000 SQYD $5.50 $2,337.50

C1200 20801-0000 STRUCTURE

EXCAVATION

Kovilic Construction Company Inc 550.000 $150.00 $82,500.00

ERon Road Construction LLC 550.000 $104.00 $57,200.00

Central Southern Construction Corp. 550.000 $100.00 $55,000.00

Structural Engineering Group, Inc.

550.000 $53.50 $29,425.00

Engineer's Estimate 550.000 CUYD $140.00 $77,000.00 C1210 20802-0000 FOUNDATION FILL Central Southern

Construction Corp. 100.000 $360.00 $36,000.00

Structural Engineering Group, Inc.

100.000 $154.60 $15,460.00

Kovilic Construction Company Inc 100.000 $150.00 $15,000.00

ERon Road Construction LLC 100.000 $66.00 $6,600.00

Engineer's Estimate 100.000 CUYD $160.00 $16,000.00

C1220 20803-0000 STRUCTURAL

BACKFILL

Central Southern Construction Corp. 220.000 $360.00 $79,200.00

Structural Engineering Group, Inc.

220.000 $237.80 $52,316.00

ERon Road Construction LLC 220.000 $216.00 $47,520.00

Kovilic Construction Company Inc 220.000 $150.00 $33,000.00

Engineer's Estimate 220.000 CUYD $110.00 $24,200.00

Report Generated on 04/29/2026 12:34 PM [Timezone: (UTC-05:00) Eastern Time (US & Canada)]

C1230 20820-0000 DEWATERING Kovilic Construction Company Inc $300,000.00

Structural Engineering Group, Inc.

$65,401.80

ERon Road Construction LLC $36,900.00

Central Southern Construction Corp. $35,000.00

Engineer's Estimate ALL LPSM LPSM $31,850.00

C1240 25102-0200 PLACED RIPRAP,

METHOD A, CLASS

Central Southern Construction Corp. 1,295.000 $300.00 $388,500.00

Kovilic Construction Company Inc 1,295.000 $300.00 $388,500.00

Structural Engineering Group, Inc.

1,295.000 $160.50 $207,847.50

ERon Road Construction LLC 1,295.000 $113.00 $146,335.00

Engineer's Estimate 1,295.000 TON $175.00 $226,625.00

C1250 25102-0300 PLACED RIPRAP,

METHOD A, CLASS

Central Southern Construction Corp. 122.000 $350.00 $42,700.00

Kovilic Construction Company Inc 122.000 $350.00 $42,700.00

Structural Engineering Group, Inc.

122.000 $196.20 $23,936.40

ERon Road Construction LLC 122.000 $132.00 $16,104.00

Engineer's Estimate 122.000 TON $324.00 $39,528.00

C1260 25102-0400 PLACED RIPRAP,

METHOD A, CLASS

Central Southern Construction Corp. 970.000 $400.00 $388,000.00

Kovilic Construction Company Inc 970.000 $400.00 $388,000.00

Structural Engineering Group, Inc.

970.000 $172.40 $167,228.00

ERon Road Construction LLC 970.000 $120.00 $116,400.00

Engineer's Estimate 970.000 TON $155.00 $150,350.00

C1270 25102-0500 PLACED RIPRAP,

METHOD A, CLASS

Central Southern Construction Corp. 210.000 $500.00 $105,000.00

Kovilic Construction Company Inc 210.000 $450.00 $94,500.00

Structural Engineering Group, Inc.

210.000 $208.10 $43,701.00

Report Generated on 04/29/2026 12:34 PM [Timezone: (UTC-05:00) Eastern Time (US & Canada)]

C1270 25102-0500 PLACED RIPRAP,

METHOD A, CLASS

ERon Road Construction LLC 210.000 $121.00 $25,410.00

Engineer's Estimate 210.000 TON $130.00 $27,300.00

C1280 25102-0600 PLACED RIPRAP,

METHOD A, CLASS

Central Southern Construction Corp. 300.000 $550.00 $165,000.00

Kovilic Construction Company Inc 300.000 $500.00 $150,000.00

Structural Engineering Group, Inc.

300.000 $208.10 $62,430.00

ERon Road Construction LLC 300.000 $123.00 $36,900.00

Engineer's Estimate 300.000 TON $186.00 $55,800.00

C1290 25302-1000 GABIONS,

GALVANIZED OR

ALUMINIZED

COATED

Kovilic Construction Company Inc 30.000 $1,000.00 $30,000.00

Central Southern Construction Corp. 30.000 $800.00 $24,000.00

Structural Engineering Group, Inc.

30.000 $755.10 $22,653.00

ERon Road Construction LLC 30.000 $742.00 $22,260.00

Engineer's Estimate 30.000 CUYD $493.00 $14,790.00

C1300 25302-2000 GABIONS,

POLYVINYL

CHLORIDE COATED

Kovilic Construction Company Inc 172.000 $1,000.00 $172,000.00

ERon Road Construction LLC 172.000 $974.00 $167,528.00

Central Southern Construction Corp. 172.000 $850.00 $146,200.00

Structural Engineering Group, Inc.

172.000 $755.10 $129,877.20

Engineer's Estimate 172.000 CUYD $700.00 $120,400.00

C1310 25305-1000 REVET MATTRESS,

GALVANIZED OR

ALUMINIZED

COATED

Kovilic Construction Company Inc 380.000 $500.00 $190,000.00

Central Southern Construction Corp. 380.000 $450.00 $171,000.00

Structural Engineering Group, Inc.

380.000 $410.20 $155,876.00

ERon Road Construction LLC 380.000 $385.00 $146,300.00

Engineer's Estimate 380.000 SQYD $420.00 $159,600.00

C1320 25501-2000 MECHANICALLY

STABILIZED EARTH

WALL, GABION

FACE

Central Southern Construction Corp. 2,125.000 $575.00 $1,221,875.00

ERon Road Construction LLC 2,125.000 $301.00 $639,625.00

Report Generated on 04/29/2026 12:34 PM [Timezone: (UTC-05:00) Eastern Time (US & Canada)]

C1320 25501-2000 MECHANICALLY

STABILIZED EARTH

WALL, GABION

FACE

Structural Engineering Group, Inc.

2,125.000 $166.50 $353,812.50

Kovilic Construction Company Inc 2,125.000 $110.00 $233,750.00

Engineer's Estimate 2,125.000 SQFT $116.00 $246,500.00

C1330 25801-0000 REINFORCED

CONCRETE

RETAINING WALL

Central Southern Construction Corp. 580.000 $1,200.00 $696,000.00

ERon Road Construction LLC 580.000 $279.00 $161,820.00

Structural Engineering Group, Inc.

580.000 $249.70 $144,826.00

Kovilic Construction Company Inc 580.000 $150.00 $87,000.00

Engineer's Estimate 580.000 SQFT $177.00 $102,660.00

C1340 25902-0000 SOIL NAIL

RETAINING WALL

Central Southern Construction Corp. 745.000 $412.50 $307,312.50

ERon Road Construction LLC 745.000 $377.00 $280,865.00

Structural Engineering Group, Inc.

745.000 $321.10 $239,219.50

Kovilic Construction Company Inc 745.000 $200.00 $149,000.00

Engineer's Estimate 745.000 SQFT $165.00 $122,925.00

C1350 25903-0000 VERIFICATION TEST

NAIL

Central Southern Construction Corp. 8.000 $9,734.40 $77,875.20

Kovilic Construction Company Inc 8.000 $5,000.00 $40,000.00

Structural Engineering Group, Inc.

8.000 $2,140.40 $17,123.20

ERon Road Construction LLC 8.000 $2,024.00 $16,192.00

Engineer's Estimate 8.000 EACH $13,000.00 $104,000.00

C1360 26303-0000 CONCRETE

LAGGING

Central Southern Construction Corp. 1,250.000 $118.30 $147,875.00

Kovilic Construction Company Inc 1,250.000 $100.00 $125,000.00

ERon Road Construction LLC 1,250.000 $85.00 $106,250.00

Structural Engineering Group, Inc.

1,250.000 $35.70 $44,625.00

Engineer's Estimate 1,250.000 SQFT $155.00 $193,750.00

C1370 30101-4000 AGGREGATE BASE

GRADING C OR D

Central Southern Construction Corp. 685.000 $204.00 $139,740.00

Report Generated on 04/29/2026 12:34 PM [Timezone: (UTC-05:00) Eastern Time (US & Canada)]

C1370 30101-4000 AGGREGATE BASE

GRADING C OR D

ERon Road Construction LLC 685.000 $109.00 $74,665.00

Kovilic Construction Company Inc 685.000 $100.00 $68,500.00

Structural Engineering Group, Inc.

685.000 $92.80 $63,568.00

Engineer's Estimate 685.000 TON $115.00 $78,775.00

C1380 30110-0000 AGGREGATE

SURFACE COURSE

Central Southern Construction Corp. 835.000 $204.00 $170,340.00

Structural Engineering Group, Inc.

835.000 $113.00 $94,355.00

Kovilic Construction Company Inc 835.000 $100.00 $83,500.00

ERon Road Construction LLC 835.000 $97.00 $80,995.00

Engineer's Estimate 835.000 TON $130.00 $108,550.00

C1390 30302-1000 DITCH

RECONDITIONING

Structural Engineering Group, Inc.

2,135.000 $32.10 $68,533.50

Kovilic Construction Company Inc 2,135.000 $25.00 $53,375.00

ERon Road Construction LLC 2,135.000 $22.00 $46,970.00

Central Southern Construction Corp. 2,135.000 $9.00 $19,215.00

Engineer's Estimate 2,135.000 LNFT $14.60 $31,171.00

C1400 30303-2000 AGGREGATE

SURFACE

RECONDITIONING

Central Southern Construction Corp. 1,510.000 $37.50 $56,625.00

Kovilic Construction Company Inc 1,510.000 $27.00 $40,770.00

Structural Engineering Group, Inc.

1,510.000 $15.50 $23,405.00

ERon Road Construction LLC 1,510.000 $5.00 $7,550.00

Engineer's Estimate 1,510.000 SQYD $21.50 $32,465.00 C1410 55115-1000 PREBORING Central Southern

Construction Corp. 42.000 $1,430.00 $60,060.00

ERon Road Construction LLC 42.000 $700.00 $29,400.00

Kovilic Construction Company Inc 42.000 $500.00 $21,000.00

Structural Engineering Group, Inc.

42.000 $107.00 $4,494.00

Engineer's Estimate 42.000 LNFT $140.00 $5,880.00

Report Generated on 04/29/2026 12:34 PM [Timezone: (UTC-05:00) Eastern Time (US & Canada)]

C1420 55201-0200 STRUCTURAL

CONCRETE, CLASS

A (AE)

Kovilic Construction Company Inc 100.000 $5,000.00 $500,000.00

ERon Road Construction LLC 100.000 $4,416.00 $441,600.00

Structural Engineering Group, Inc.

100.000 $4,280.80 $428,080.00

Central Southern Construction Corp. 100.000 $3,200.00 $320,000.00

Engineer's Estimate 100.000 CUYD $2,200.00 $220,000.00

C1430 55401-2000 REINFORCING

STEEL, EPOXY

COATED

ERon Road Construction LLC 17,900.000 $16.00 $286,400.00

Central Southern Construction Corp. 17,900.000 $10.00 $179,000.00

Kovilic Construction Company Inc 17,900.000 $5.00 $89,500.00

Structural Engineering Group, Inc.

17,900.000 $3.40 $60,860.00

Engineer's Estimate 17,900.000 LB $5.00 $89,500.00

C1440 55504-0000 PRE-FABRICATED

STEEL BRIDGE

Kovilic Construction Company Inc $600,000.00

Structural Engineering Group, Inc.

$493,486.40

ERon Road Construction LLC $434,172.00

Central Southern Construction Corp. $300,000.00

Engineer's Estimate ALL LPSM LPSM $444,000.00

C1450 55505-0000 STRUCTURAL STEEL

SOLDIER PILE

Central Southern Construction Corp. 495.000 $520.00 $257,400.00

Structural Engineering Group, Inc.

495.000 $475.60 $235,422.00

ERon Road Construction LLC 495.000 $391.00 $193,545.00

Kovilic Construction Company Inc 495.000 $200.00 $99,000.00

Engineer's Estimate 495.000 LNFT $280.00 $138,600.00

C1460 55601-1300 BRIDGE RAILING,

TIMBER

Central Southern Construction Corp. 160.000 $350.00 $56,000.00

ERon Road Construction LLC 160.000 $300.00 $48,000.00

Kovilic Construction Company Inc 160.000 $300.00 $48,000.00

Report Generated on 04/29/2026 12:34 PM [Timezone: (UTC-05:00) Eastern Time (US & Canada)]

C1460 55601-1300 BRIDGE RAILING,

TIMBER

Structural Engineering Group, Inc.

160.000 $95.10 $15,216.00

Engineer's Estimate 160.000 LNFT $155.00 $24,800.00

C1470 55701-2000 STRUCTURAL

TIMBER AND

LUMBER, TREATED

Kovilic Construction Company Inc 5.000 $45,000.00 $225,000.00

Structural Engineering Group, Inc.

5.000 $25,601.80 $128,009.00

Central Southern Construction Corp. 5.000 $20,000.00 $100,000.00

ERon Road Construction LLC 5.000 $10,454.00 $52,270.00

Engineer's Estimate 5.000 MFBM $16,300.00 $81,500.00 C1480 56401-0000 BEARING DEVICE Central Southern

Construction Corp. 6.000 $5,000.00 $30,000.00

Structural Engineering Group, Inc.

6.000 $2,497.20 $14,983.20

ERon Road Construction LLC 6.000 $2,054.00 $12,324.00

Kovilic Construction Company Inc 6.000 $1,000.00 $6,000.00

Engineer's Estimate 6.000 EACH $1,950.00 $11,700.00

C1490 56501-0300 DRILLED SHAFT, 30-

INCH DIAMETER

Central Southern Construction Corp. 355.000 $1,339.00 $475,345.00

ERon Road Construction LLC 355.000 $906.00 $321,630.00

Kovilic Construction Company Inc 355.000 $350.00 $124,250.00

Structural Engineering Group, Inc.

355.000 $101.10 $35,890.50

Engineer's Estimate 355.000 LNFT $1,660.00 $589,300.00

C1500 60103-0100 CONCRETE,

HEADWALL FOR 18

-INCH PIPE

CULVERT

Kovilic Construction Company Inc 1.000 $5,000.00 $5,000.00

Structural Engineering Group, Inc.

1.000 $4,756.50 $4,756.50

ERon Road Construction LLC 1.000 $4,003.00 $4,003.00

Central Southern Construction Corp. 1.000 $3,150.00 $3,150.00

Engineer's Estimate 1.000 EACH $5,000.00 $5,000.00

C1510 60103-0140 CONCRETE,

HEADWALL FOR 24

-INCH PIPE

CULVERT

Kovilic Construction Company Inc 2.000 $6,000.00 $12,000.00

Report Generated on 04/29/2026 12:34 PM [Timezone: (UTC-05:00) Eastern Time (US & Canada)]

C1510 60103-0140 CONCRETE,

HEADWALL FOR 24

-INCH PIPE

CULVERT

Structural Engineering Group, Inc.

2.000 $4,756.50 $9,513.00

Central Southern Construction Corp. 2.000 $4,275.00 $8,550.00

ERon Road Construction LLC 2.000 $4,003.00 $8,006.00

Engineer's Estimate 2.000 EACH $6,350.00 $12,700.00

C1520 60103-0160 CONCRETE,

HEADWALL FOR 30

-INCH PIPE

CULVERT

Kovilic Construction Company Inc 3.000 $7,500.00 $22,500.00

Central Southern Construction Corp. 3.000 $6,525.00 $19,575.00

Structural Engineering Group, Inc.

3.000 $5,945.60 $17,836.80

ERon Road Construction LLC 3.000 $4,621.00 $13,863.00

Engineer's Estimate 3.000 EACH $7,130.00 $21,390.00

C1530 60103-1940 CONCRETE,

HEADWALL FOR 30

-INCH EQUIVALENT

DIAMETER PIPE

CULVERT (27-INCH

EQUIVALENT)

Kovilic Construction Company Inc 2.000 $10,000.00 $20,000.00

Central Southern Construction Corp. 2.000 $6,525.00 $13,050.00

Structural Engineering Group, Inc.

2.000 $5,945.60 $11,891.20

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