                                               ILLINOIS DEPARTMENT OF TRANSPORTATION                                      PAGE:    1
 10/30/26  12:57:33                   U N I T  P R I C E   T A B U L A T I O N   O F   B I D S
 LETTING DATE: 07/31/2026  LETTING TYPE: SCHEDULED                                 CONTRACT NUMBER: 70G29  LETTING ITEM NUMBER: 046
 RESPONSIBLE DISTRICT: 05                                                                                  BIDS LOCKED: Y
 SECTION: RA 2023-1                                COUNTY: CHAMPAIGN                                       ESTIMATE:
                                                      --------------------------
                                                      SUMMARY OF CONTRACTOR BIDS
                                                      --------------------------

                                                             "AS READ"          SUMMATION    SUMMATION OF                       NBR
 BIDR                     CONTR        COMB  ITEM  CONTR      BIDDER            OF BIDDER     CALCULATED   LOW   BIDR CALC      BLANK
 NBR   BIDDER NAME        GROUP  COMB  GRP   NBR   GROUP      TOTAL PRICE       EXTENSIONS    EXTENSIONS   BID   EXTENSION DIFF BIDS


 0379  A & R Mechanical Service, Inc.
                          NO ALT                            4,618,805.00     4,618,805.00   4,618,805.00

 1538  Duce Construction Company
                          NO ALT                            4,494,900.00     4,494,900.00   4,494,900.00

 5672  Stark Excavating, Inc.
                          NO ALT                            3,219,237.00 *   3,219,237.00   3,219,237.00    *

 **** TOTAL GROUP NO ALT PAY ITEMS FOR THIS CONTRACT =      85
                                                       ----------------------
                                                       DETAIL CONTRACTOR BIDS
                                                       ----------------------

    ITEM NBR  ITEM DESCRIPTION                                    UNIT OF     UNIT        BIDDER         CALCULATED  BIDR CALC
 BIDR NBR  BIDDER NAME                                  QUANTITY  MEASURE     PRICE       EXTENSION      EXTENSION   EXTENSION DIFF


    X0321309  CONCRETE PAD                                33.000    SQ YD
 0379      A & R Mechanical Service, Inc.                                 385.1700       12,710.61       12,710.61
 1538      Duce Construction Company                                      234.0000        7,722.00        7,722.00
 5672      Stark Excavating, Inc.                                         295.0000        9,735.00        9,735.00

    X0324605  REM EXS INT PLB LOC 1                        1.000    L SUM
 0379      A & R Mechanical Service, Inc.                              16,786.4900       16,786.49       16,786.49
 1538      Duce Construction Company                                   17,367.0000       17,367.00       17,367.00
 5672      Stark Excavating, Inc.                                       5,400.0000        5,400.00        5,400.00

    X0324606  REM EXS INT PLB LOC 2                        1.000    L SUM
 0379      A & R Mechanical Service, Inc.                              15,325.6000       15,325.60       15,325.60
 1538      Duce Construction Company                                   15,856.0000       15,856.00       15,856.00
 5672      Stark Excavating, Inc.                                       5,400.0000        5,400.00        5,400.00

    X0324607  WTR SER INT PLB LOC 1                        1.000    L SUM
 0379      A & R Mechanical Service, Inc.                              14,130.5100       14,130.51       14,130.51
 1538      Duce Construction Company                                   14,619.0000       14,619.00       14,619.00
 5672      Stark Excavating, Inc.                                      28,000.0000       28,000.00       28,000.00

    X0324608  WTR SER INT PLB LOC 2                        1.000    L SUM
 0379      A & R Mechanical Service, Inc.                              14,854.5800       14,854.58       14,854.58
 1538      Duce Construction Company                                   15,368.0000       15,368.00       15,368.00
 5672      Stark Excavating, Inc.                                      28,000.0000       28,000.00       28,000.00

    X0324609  REM EXS SAN SEP LOC 1                        1.000    L SUM
 0379      A & R Mechanical Service, Inc.                             191,086.6800      191,086.68      191,086.68
 1538      Duce Construction Company                                  191,000.0000      191,000.00      191,000.00
 5672      Stark Excavating, Inc.                                      86,000.0000       86,000.00       86,000.00

    X0324610  REM EXS SAN SEP LOC 2                        1.000    L SUM
 0379      A & R Mechanical Service, Inc.                             182,852.1600      182,852.16      182,852.16
 1538      Duce Construction Company                                  191,000.0000      191,000.00      191,000.00
 5672      Stark Excavating, Inc.                                      82,000.0000       82,000.00       82,000.00

    X0324611  REM EXS S E S D LOC 1                        1.000    L SUM
 0379      A & R Mechanical Service, Inc.                               8,505.9500        8,505.95        8,505.95
 1538      Duce Construction Company                                   14,300.0000       14,300.00       14,300.00
 5672      Stark Excavating, Inc.                                       8,000.0000        8,000.00        8,000.00

    X0324612  REM EXS S E S D LOC 2                        1.000    L SUM
 0379      A & R Mechanical Service, Inc.                               8,505.9500        8,505.95        8,505.95
 1538      Duce Construction Company                                   14,300.0000       14,300.00       14,300.00
 5672      Stark Excavating, Inc.                                       8,000.0000        8,000.00        8,000.00

    X0324613  SAN ELEC S&D LOC 1                           1.000    L SUM
 0379      A & R Mechanical Service, Inc.                             115,438.2700      115,438.27      115,438.27
 1538      Duce Construction Company                                  127,000.0000      127,000.00      127,000.00
 5672      Stark Excavating, Inc.                                     125,000.0000      125,000.00      125,000.00

    X0324614  SAN ELEC S&D LOC 2                           1.000    L SUM
 0379      A & R Mechanical Service, Inc.                             144,159.7600      144,159.76      144,159.76
 1538      Duce Construction Company                                  166,000.0000      166,000.00      166,000.00
 5672      Stark Excavating, Inc.                                     155,000.0000      155,000.00      155,000.00

    X0324615  SAN SEW SEP TK LOC 1                         1.000    L SUM
 0379      A & R Mechanical Service, Inc.                              93,395.6200       93,395.62       93,395.62
 1538      Duce Construction Company                                   73,000.0000       73,000.00       73,000.00
 5672      Stark Excavating, Inc.                                      88,000.0000       88,000.00       88,000.00

    X0324616  SAN SEW SEP TK LOC 2                         1.000    L SUM
 0379      A & R Mechanical Service, Inc.                              94,915.6600       94,915.66       94,915.66
 1538      Duce Construction Company                                   73,000.0000       73,000.00       73,000.00
 5672      Stark Excavating, Inc.                                      88,000.0000       88,000.00       88,000.00

    X0324617  PCK SX LFT STA LOC 1                         1.000    L SUM
 0379      A & R Mechanical Service, Inc.                              65,191.3900       65,191.39       65,191.39
 1538      Duce Construction Company                                   54,000.0000       54,000.00       54,000.00
 5672      Stark Excavating, Inc.                                      52,000.0000       52,000.00       52,000.00

    X0324618  PCK SX LFT STA LOC 2                         1.000    L SUM
 0379      A & R Mechanical Service, Inc.                              71,372.0700       71,372.07       71,372.07
 1538      Duce Construction Company                                   54,000.0000       54,000.00       54,000.00
 5672      Stark Excavating, Inc.                                      60,000.0000       60,000.00       60,000.00

    X0324619  PCK DP LFT STA LOC 1                         1.000    L SUM
 0379      A & R Mechanical Service, Inc.                              86,042.0900       86,042.09       86,042.09
 1538      Duce Construction Company                                   77,000.0000       77,000.00       77,000.00
 5672      Stark Excavating, Inc.                                      83,000.0000       83,000.00       83,000.00

    X0324620  PCK DP LFT STA LOC 2                         1.000    L SUM
 0379      A & R Mechanical Service, Inc.                              86,429.7500       86,429.75       86,429.75
 1538      Duce Construction Company                                   78,000.0000       78,000.00       78,000.00
 5672      Stark Excavating, Inc.                                      83,000.0000       83,000.00       83,000.00

    X0324621  V. DL AUG SCN LOC 1                          1.000    L SUM
 0379      A & R Mechanical Service, Inc.                             189,764.8900      189,764.89      189,764.89
 1538      Duce Construction Company                                  176,000.0000      176,000.00      176,000.00
 5672      Stark Excavating, Inc.                                     145,000.0000      145,000.00      145,000.00

    X0324622  V. DL AUG SCN LOC 2                          1.000    L SUM
 0379      A & R Mechanical Service, Inc.                             189,764.8900      189,764.89      189,764.89
 1538      Duce Construction Company                                  176,000.0000      176,000.00      176,000.00
 5672      Stark Excavating, Inc.                                     145,000.0000      145,000.00      145,000.00

    X0324623  DRAIN FIELD SYS LOC 1                        1.000    L SUM
 0379      A & R Mechanical Service, Inc.                             254,516.7000      254,516.70      254,516.70
 1538      Duce Construction Company                                  310,000.0000      310,000.00      310,000.00
 5672      Stark Excavating, Inc.                                     143,000.0000      143,000.00      143,000.00

    X0324624  DRAIN FIELD SYS LOC 2                        1.000    L SUM
 0379      A & R Mechanical Service, Inc.                             271,103.3000      271,103.30      271,103.30
 1538      Duce Construction Company                                  330,000.0000      330,000.00      330,000.00
 5672      Stark Excavating, Inc.                                     166,600.0000      166,600.00      166,600.00

    X1200198  SAN SEW PVC 8                              969.000     FOOT
 0379      A & R Mechanical Service, Inc.                                 103.5600      100,349.64      100,349.64
 1538      Duce Construction Company                                       76.0000       73,644.00       73,644.00
 5672      Stark Excavating, Inc.                                          72.0000       69,768.00       69,768.00

    X1200230  PRES TEST & DISINFECT                        1.000    L SUM
 0379      A & R Mechanical Service, Inc.                              13,624.2100       13,624.21       13,624.21
 1538      Duce Construction Company                                   20,000.0000       20,000.00       20,000.00
 5672      Stark Excavating, Inc.                                      27,000.0000       27,000.00       27,000.00

    X5510308  SAN SEW REMOV  8                           562.000     FOOT
 0379      A & R Mechanical Service, Inc.                                  24.2100       13,606.02       13,606.02
 1538      Duce Construction Company                                       36.0000       20,232.00       20,232.00
 5672      Stark Excavating, Inc.                                          20.0000       11,240.00       11,240.00

    X5610004  D I WTR MN FITTINGS                        471.000    POUND
 0379      A & R Mechanical Service, Inc.                                  26.9100       12,674.61       12,674.61
 1538      Duce Construction Company                                       36.0000       16,956.00       16,956.00
 5672      Stark Excavating, Inc.                                          30.0000       14,130.00       14,130.00

    X5610017  FLUSH HYDRANTS                               3.000     EACH
 0379      A & R Mechanical Service, Inc.                               7,059.5000       21,178.50       21,178.50
 1538      Duce Construction Company                                    6,901.0000       20,703.00       20,703.00
 5672      Stark Excavating, Inc.                                       6,100.0000       18,300.00       18,300.00

    X5610054  CAS PIPE BOR/JKD  12                       171.000     FOOT
 0379      A & R Mechanical Service, Inc.                               1,633.9300      279,402.03      279,402.03
 1538      Duce Construction Company                                    1,325.0000      226,575.00      226,575.00
 5672      Stark Excavating, Inc.                                         700.0000      119,700.00      119,700.00

    X5620004  WTR SERV MTR & VAULT                         1.000    L SUM
 0379      A & R Mechanical Service, Inc.                              19,948.4300       19,948.43       19,948.43
 1538      Duce Construction Company                                   17,000.0000       17,000.00       17,000.00
 5672      Stark Excavating, Inc.                                      10,000.0000       10,000.00       10,000.00

    X6011605  PIPE DRAINS   4 SPL                      1,755.000     FOOT
 0379      A & R Mechanical Service, Inc.                                  36.4300       63,934.65       63,934.65
 1538      Duce Construction Company                                       83.0000      145,665.00      145,665.00
 5672      Stark Excavating, Inc.                                          46.0000       80,730.00       80,730.00

    X6022858  MAN TA SAN 4D T1F CL                         8.000     EACH
 0379      A & R Mechanical Service, Inc.                              14,176.7000      113,413.60      113,413.60
 1538      Duce Construction Company                                   12,400.0000       99,200.00       99,200.00
 5672      Stark Excavating, Inc.                                       5,600.0000       44,800.00       44,800.00

    X6026054  SAN MAN REMOVED                              4.000     EACH
 0379      A & R Mechanical Service, Inc.                               1,248.2000        4,992.80        4,992.80
 1538      Duce Construction Company                                    1,750.0000        7,000.00        7,000.00
 5672      Stark Excavating, Inc.                                       1,100.0000        4,400.00        4,400.00

    X7010216  TRAF CONT & PROT SPL                         1.000    L SUM
 0379      A & R Mechanical Service, Inc.                              43,585.9400       43,585.94       43,585.94
 1538      Duce Construction Company                                   37,000.0000       37,000.00       37,000.00
 5672      Stark Excavating, Inc.                                      58,000.0000       58,000.00       58,000.00

    Z0013798  CONSTRUCTION LAYOUT                          1.000    L SUM
 0379      A & R Mechanical Service, Inc.                              45,213.6400       45,213.64       45,213.64
 1538      Duce Construction Company                                   48,000.0000       48,000.00       48,000.00
 5672      Stark Excavating, Inc.                                      23,000.0000       23,000.00       23,000.00

    Z0056648  SS 1 WAT MN   12                            40.000     FOOT
 0379      A & R Mechanical Service, Inc.                                 117.1700        4,686.80        4,686.80
 1538      Duce Construction Company                                      129.0000        5,160.00        5,160.00
 5672      Stark Excavating, Inc.                                         158.0000        6,320.00        6,320.00

    Z0067200  STEEL CASINGS  10                           55.000     FOOT
 0379      A & R Mechanical Service, Inc.                                 155.4300        8,548.65        8,548.65
 1538      Duce Construction Company                                      290.0000       15,950.00       15,950.00
 5672      Stark Excavating, Inc.                                         123.0000        6,765.00        6,765.00

    20200100  EARTH EXCAVATION                         3,430.000    CU YD
 0379      A & R Mechanical Service, Inc.                                 177.5600      609,030.80      609,030.80
 1538      Duce Construction Company                                       68.0000      233,240.00      233,240.00
 5672      Stark Excavating, Inc.                                          15.0000       51,450.00       51,450.00

    20800150  TRENCH BACKFILL                            300.000    CU YD
 0379      A & R Mechanical Service, Inc.                                 102.4800       30,744.00       30,744.00
 1538      Duce Construction Company                                      129.0000       38,700.00       38,700.00
 5672      Stark Excavating, Inc.                                          74.0000       22,200.00       22,200.00

    25000200  SEEDING CL  2                                6.500     ACRE
 0379      A & R Mechanical Service, Inc.                               1,887.2600       12,267.19       12,267.19
 1538      Duce Construction Company                                    2,530.0000       16,445.00       16,445.00
 5672      Stark Excavating, Inc.                                       1,815.0000       11,797.50       11,797.50

    25000320  SEEDING CL  5                                4.000     ACRE
 0379      A & R Mechanical Service, Inc.                               5,805.3100       23,221.24       23,221.24
 1538      Duce Construction Company                                    3,410.0000       13,640.00       13,640.00
 5672      Stark Excavating, Inc.                                       3,125.0000       12,500.00       12,500.00

    25000400  NITROGEN FERT NUTR                         554.000    POUND
 0379      A & R Mechanical Service, Inc.                                   1.8100        1,002.74        1,002.74
 1538      Duce Construction Company                                        2.2000        1,218.80        1,218.80
 5672      Stark Excavating, Inc.                                           2.0000        1,108.00        1,108.00

    25000500  PHOSPHORUS FERT NUTR                       554.000    POUND
 0379      A & R Mechanical Service, Inc.                                   1.8100        1,002.74        1,002.74
 1538      Duce Construction Company                                        2.2000        1,218.80        1,218.80
 5672      Stark Excavating, Inc.                                           2.0000        1,108.00        1,108.00

    25000600  POTASSIUM FERT NUTR                        554.000    POUND
 0379      A & R Mechanical Service, Inc.                                   1.8100        1,002.74        1,002.74
 1538      Duce Construction Company                                        2.2000        1,218.80        1,218.80
 5672      Stark Excavating, Inc.                                           2.0000        1,108.00        1,108.00

    25100630  EROSION CONTR BLANKET                   28,474.000    SQ YD
 0379      A & R Mechanical Service, Inc.                                   2.0200       57,517.48       57,517.48
 1538      Duce Construction Company                                        1.4500       41,287.30       41,287.30
 5672      Stark Excavating, Inc.                                           1.2500       35,592.50       35,592.50

    28000250  TEMP EROS CONTR SEED                     1,228.000    POUND
 0379      A & R Mechanical Service, Inc.                                   5.3200        6,532.96        6,532.96
 1538      Duce Construction Company                                        5.5000        6,754.00        6,754.00
 5672      Stark Excavating, Inc.                                           2.5000        3,070.00        3,070.00

    28000305  TEMP DITCH CHECKS                           42.000     FOOT
 0379      A & R Mechanical Service, Inc.                                   6.5800          276.36          276.36
 1538      Duce Construction Company                                       54.0000        2,268.00        2,268.00
 5672      Stark Excavating, Inc.                                          13.0000          546.00          546.00

    28000400  PERIMETER EROS BAR                       2,463.000     FOOT
 0379      A & R Mechanical Service, Inc.                                   3.2700        8,054.01        8,054.01
 1538      Duce Construction Company                                        2.5000        6,157.50        6,157.50
 5672      Stark Excavating, Inc.                                           4.5000       11,083.50       11,083.50

    28000500  INLET & PIPE PROTECT                         8.000     EACH
 0379      A & R Mechanical Service, Inc.                                 179.6300        1,437.04        1,437.04
 1538      Duce Construction Company                                      284.0000        2,272.00        2,272.00
 5672      Stark Excavating, Inc.                                         200.0000        1,600.00        1,600.00

    28000510  INLET FILTERS                                7.000     EACH
 0379      A & R Mechanical Service, Inc.                                 181.2700        1,268.89        1,268.89
 1538      Duce Construction Company                                      328.0000        2,296.00        2,296.00
 5672      Stark Excavating, Inc.                                         250.0000        1,750.00        1,750.00

    28001100  TEMP EROS CONTR BLANK                   28,474.000    SQ YD
 0379      A & R Mechanical Service, Inc.                                   2.0200       57,517.48       57,517.48
 1538      Duce Construction Company                                        1.0500       29,897.70       29,897.70
 5672      Stark Excavating, Inc.                                           1.0000       28,474.00       28,474.00

    30300011  AGG SUBGRADE IMPROVE                       380.000      TON
 0379      A & R Mechanical Service, Inc.                                  95.8000       36,404.00       36,404.00
 1538      Duce Construction Company                                       78.0000       29,640.00       29,640.00
 5672      Stark Excavating, Inc.                                          82.0000       31,160.00       31,160.00

    40200800  AGG SURF COURSE TY B                       678.000      TON
 0379      A & R Mechanical Service, Inc.                                  47.8400       32,435.52       32,435.52
 1538      Duce Construction Company                                       78.0000       52,884.00       52,884.00
 5672      Stark Excavating, Inc.                                          63.0000       42,714.00       42,714.00

    42400200  PC CONC SIDEWALK 5                       1,638.000    SQ FT
 0379      A & R Mechanical Service, Inc.                                  13.5000       22,113.00       22,113.00
 1538      Duce Construction Company                                       18.7500       30,712.50       30,712.50
 5672      Stark Excavating, Inc.                                          16.0000       26,208.00       26,208.00

    44000100  PAVEMENT REM                               263.000    SQ YD
 0379      A & R Mechanical Service, Inc.                                  66.6300       17,523.69       17,523.69
 1538      Duce Construction Company                                       54.0000       14,202.00       14,202.00
 5672      Stark Excavating, Inc.                                          50.0000       13,150.00       13,150.00

    44000500  COMB CURB GUTTER REM                       184.000     FOOT
 0379      A & R Mechanical Service, Inc.                                  24.6000        4,526.40        4,526.40
 1538      Duce Construction Company                                       17.5000        3,220.00        3,220.00
 5672      Stark Excavating, Inc.                                          20.0000        3,680.00        3,680.00

    44000600  SIDEWALK REM                             1,638.000    SQ FT
 0379      A & R Mechanical Service, Inc.                                   3.7800        6,191.64        6,191.64
 1538      Duce Construction Company                                        3.5000        5,733.00        5,733.00
 5672      Stark Excavating, Inc.                                           4.2500        6,961.50        6,961.50

    44200050  WELDED WIRE REINF                          215.000    SQ YD
 0379      A & R Mechanical Service, Inc.                                  15.6700        3,369.05        3,369.05
 1538      Duce Construction Company                                       27.0000        5,805.00        5,805.00
 5672      Stark Excavating, Inc.                                          12.0000        2,580.00        2,580.00

    44200944  CL B PATCH T4  8                           139.000    SQ YD
 0379      A & R Mechanical Service, Inc.                                 135.1000       18,778.90       18,778.90
 1538      Duce Construction Company                                      176.0000       24,464.00       24,464.00
 5672      Stark Excavating, Inc.                                         175.0000       24,325.00       24,325.00

    44200976  CL B PATCH T4 10                           124.000    SQ YD
 0379      A & R Mechanical Service, Inc.                                 174.6000       21,650.40       21,650.40
 1538      Duce Construction Company                                      204.0000       25,296.00       25,296.00
 5672      Stark Excavating, Inc.                                         240.0000       29,760.00       29,760.00

    44201298  DOWEL BARS 1 1/4                           280.000     EACH
 0379      A & R Mechanical Service, Inc.                                  23.7300        6,644.40        6,644.40
 1538      Duce Construction Company                                       16.5000        4,620.00        4,620.00
 5672      Stark Excavating, Inc.                                          28.0000        7,840.00        7,840.00

    44201299  DOWEL BARS 1 1/2                           270.000     EACH
 0379      A & R Mechanical Service, Inc.                                  27.7300        7,487.10        7,487.10
 1538      Duce Construction Company                                       17.9000        4,833.00        4,833.00
 5672      Stark Excavating, Inc.                                          29.0000        7,830.00        7,830.00

    44213200  SAW CUTS                                   400.000     FOOT
 0379      A & R Mechanical Service, Inc.                                   3.1900        1,276.00        1,276.00
 1538      Duce Construction Company                                        7.7500        3,100.00        3,100.00
 5672      Stark Excavating, Inc.                                           6.5000        2,600.00        2,600.00

    44213204  TIE BARS    3/4                             61.000     EACH
 0379      A & R Mechanical Service, Inc.                                  21.1000        1,287.10        1,287.10
 1538      Duce Construction Company                                       17.1000        1,043.10        1,043.10
 5672      Stark Excavating, Inc.                                          27.0000        1,647.00        1,647.00

    50105220  PIPE CULVERT REMOV                           6.000     FOOT
 0379      A & R Mechanical Service, Inc.                                 113.5100          681.06          681.06
 1538      Duce Construction Company                                       75.0000          450.00          450.00
 5672      Stark Excavating, Inc.                                          18.0000          108.00          108.00

    542D5473  P CUL CL D 1 EQRS  18                       43.000     FOOT
 0379      A & R Mechanical Service, Inc.                                 176.7900        7,601.97        7,601.97
 1538      Duce Construction Company                                      120.0000        5,160.00        5,160.00
 5672      Stark Excavating, Inc.                                          96.0000        4,128.00        4,128.00

    54213660  PRC FLAR END SEC 15                          1.000     EACH
 0379      A & R Mechanical Service, Inc.                               2,291.0600        2,291.06        2,291.06
 1538      Duce Construction Company                                    1,991.0000        1,991.00        1,991.00
 5672      Stark Excavating, Inc.                                       1,850.0000        1,850.00        1,850.00

    550A0070  STORM SEW CL A 1  15                        50.000     FOOT
 0379      A & R Mechanical Service, Inc.                                 136.4000        6,820.00        6,820.00
 1538      Duce Construction Company                                      107.0000        5,350.00        5,350.00
 5672      Stark Excavating, Inc.                                         112.0000        5,600.00        5,600.00

    56100600  WATER MAIN   6                             950.000     FOOT
 0379      A & R Mechanical Service, Inc.                                  66.5800       63,251.00       63,251.00
 1538      Duce Construction Company                                       97.0000       92,150.00       92,150.00
 5672      Stark Excavating, Inc.                                          74.0000       70,300.00       70,300.00

    56103000  D I WATER MAIN   6                          75.000     FOOT
 0379      A & R Mechanical Service, Inc.                                 118.6100        8,895.75        8,895.75
 1538      Duce Construction Company                                      340.0000       25,500.00       25,500.00
 5672      Stark Excavating, Inc.                                         165.0000       12,375.00       12,375.00

    56104900  WATER VALVES   6                             5.000     EACH
 0379      A & R Mechanical Service, Inc.                               3,192.4200       15,962.10       15,962.10
 1538      Duce Construction Company                                    2,850.0000       14,250.00       14,250.00
 5672      Stark Excavating, Inc.                                       2,500.0000       12,500.00       12,500.00

    56108800  TAP VALVE & SLEEVE  6                        1.000     EACH
 0379      A & R Mechanical Service, Inc.                               6,998.1700        6,998.17        6,998.17
 1538      Duce Construction Company                                    5,800.0000        5,800.00        5,800.00
 5672      Stark Excavating, Inc.                                       7,600.0000        7,600.00        7,600.00

    56201160  WATER SERV LINE 6                        4,872.000     FOOT
 0379      A & R Mechanical Service, Inc.                                  48.3300      235,463.76      235,463.76
 1538      Duce Construction Company                                       75.5000      367,836.00      367,836.00
 5672      Stark Excavating, Inc.                                          50.0000      243,600.00      243,600.00

    60261100  INLETS ADJ NEW T9F&G                         1.000     EACH
 0379      A & R Mechanical Service, Inc.                               1,514.3300        1,514.33        1,514.33
 1538      Duce Construction Company                                    1,450.0000        1,450.00        1,450.00
 5672      Stark Excavating, Inc.                                       1,780.0000        1,780.00        1,780.00

    60603800  COMB CC&G TB6.12                            53.000     FOOT
 0379      A & R Mechanical Service, Inc.                                  65.4600        3,469.38        3,469.38
 1538      Duce Construction Company                                       89.0000        4,717.00        4,717.00
 5672      Stark Excavating, Inc.                                         110.0000        5,830.00        5,830.00

    60605000  COMB CC&G TY B-6.24                        103.000     FOOT
 0379      A & R Mechanical Service, Inc.                                  61.0300        6,286.09        6,286.09
 1538      Duce Construction Company                                       95.0000        9,785.00        9,785.00
 5672      Stark Excavating, Inc.                                         115.0000       11,845.00       11,845.00

    60605900  COMB CC&G TB9.12                            29.000     FOOT
 0379      A & R Mechanical Service, Inc.                                 106.7700        3,096.33        3,096.33
 1538      Duce Construction Company                                      155.0000        4,495.00        4,495.00
 5672      Stark Excavating, Inc.                                         120.0000        3,480.00        3,480.00

    66400105  CH LK FENCE   4                            571.000     FOOT
 0379      A & R Mechanical Service, Inc.                                  49.8900       28,487.19       28,487.19
 1538      Duce Construction Company                                       51.5000       29,406.50       29,406.50
 5672      Stark Excavating, Inc.                                          48.0000       27,408.00       27,408.00

    66405600  CH LK GATES 4X8  DBL                         2.000     EACH
 0379      A & R Mechanical Service, Inc.                               5,980.7500       11,961.50       11,961.50
 1538      Duce Construction Company                                    6,188.0000       12,376.00       12,376.00
 5672      Stark Excavating, Inc.                                       5,700.0000       11,400.00       11,400.00

    67000500  ENGR FIELD OFFICE B                          7.000   CAL MO
 0379      A & R Mechanical Service, Inc.                               2,020.3900       14,142.73       14,142.73
 1538      Duce Construction Company                                    3,800.0000       26,600.00       26,600.00
 5672      Stark Excavating, Inc.                                       3,400.0000       23,800.00       23,800.00

    67100100  MOBILIZATION                                 1.000    L SUM
 0379      A & R Mechanical Service, Inc.                             276,350.6100      276,350.61      276,350.61
 1538      Duce Construction Company                                  269,000.0000      269,000.00      269,000.00
 5672      Stark Excavating, Inc.                                     190,000.0000      190,000.00      190,000.00

    67201000  SEAL ABAN WATER WELLS                        1.000     EACH
 0379      A & R Mechanical Service, Inc.                              17,034.2000       17,034.20       17,034.20
 1538      Duce Construction Company                                    9,800.0000        9,800.00        9,800.00
 5672      Stark Excavating, Inc.                                      12,000.0000       12,000.00       12,000.00

    70100315  TRAF CONT-PROT 701422                        2.000     EACH
 0379      A & R Mechanical Service, Inc.                               2,708.0700        5,416.14        5,416.14
 1538      Duce Construction Company                                   20,000.0000       40,000.00       40,000.00
 5672      Stark Excavating, Inc.                                           1.0000            2.00            2.00

    70100450  TRAF CONT-PROT 701201                        1.000    L SUM
 0379      A & R Mechanical Service, Inc.                               4,382.2000        4,382.20        4,382.20
 1538      Duce Construction Company                                    5,000.0000        5,000.00        5,000.00
 5672      Stark Excavating, Inc.                                       5,500.0000        5,500.00        5,500.00

    70100700  TRAF CONT-PROT 701406                        1.000    L SUM
 0379      A & R Mechanical Service, Inc.                              25,366.5400       25,366.54       25,366.54
 1538      Duce Construction Company                                   20,000.0000       20,000.00       20,000.00
 5672      Stark Excavating, Inc.                                      71,000.0000       71,000.00       71,000.00

    70100820  TRAF CONT-PROT 701451                        1.000    L SUM
 0379      A & R Mechanical Service, Inc.                               7,647.9900        7,647.99        7,647.99
 1538      Duce Construction Company                                    8,500.0000        8,500.00        8,500.00
 5672      Stark Excavating, Inc.                                      21,000.0000       21,000.00       21,000.00

    70102640  TR CONT & PROT 701801                        1.000    L SUM
 0379      A & R Mechanical Service, Inc.                               3,109.5900        3,109.59        3,109.59
 1538      Duce Construction Company                                    4,500.0000        4,500.00        4,500.00
 5672      Stark Excavating, Inc.                                       4,000.0000        4,000.00        4,000.00
