HDR Job No. 17-019 Blackhawk Reconstruction Phase II Package 'A' City of Friendswood, Texas

Low Bidder Main Industries, LTD (MC2 Joslin Construction Texas, LLC Triple B Services, LLP Tandem Services Mar-Con Services, LLC Civil, Inc.) Harper Brothers Construction

ITEM ITEM DESCRIPTION UNIT QUAN. UNIT TOTAL UNIT TOTAL UNIT TOTAL UNIT TOTAL UNIT TOTAL UNIT TOTAL NO. PRICE AMOUNT PRICE AMOUNT PRICE AMOUNT PRICE AMOUNT PRICE AMOUNT PRICE AMOUNT Base Bid Items: Cedar Gully to Friendswood Link (Station 40+49 to 71+00) Paving Items 1 Mobilization (3% maximum of base bid) L.S. 1 $ 105,000.00 $ 105,000.00 $ 90,000.00 $ 90,000.00 $ 110,000.00 $ 110,000.00 $ 106,174.80 $ 106,174.80 $ 130,000.00 $ 130,000.00 $ 165,000.00 $ 165,000.00 Control and Regulation, including Flagmen, Signs, Barrels, Barricades, Temporary Striping and Raised Markers, Message Boards, Arrow Boards, Maintaining All Weather Access to Traffic, 2 Temporary Transitions from Proposed Pavement to Existing Pavement, Relocating Existing Mailboxes and Traffic Signs, and Temporary Mailboxes L.S. 1 $ 103,000.00 $ 103,000.00 $ 85,000.00 $ 85,000.00 $ 120,000.00 $ 120,000.00 $ 485,267.20 $ 485,267.20 $ 50,000.00 $ 50,000.00 $ 100,000.00 $ 100,000.00 Remove and dispose of existing reinforced pavement and base material, regardless of 3 thickness encountered, including , sawcutting and paving headers S.Y. 24900 $ 2.50 $ 62,250.00 $ 4.25 $ 105,825.00 $ 6.00 $ 149,400.00 $ 3.10 $ 77,190.00 $ 2.00 $ 49,800.00 $ 3.00 $ 74,700.00 6" thick reinforced concrete pavement, including reinforcement, joints, excavation, embankment 4 grading, and curing S.Y. 24900 $ 40.00 $ 996,000.00 $ 45.25 $ 1,126,725.00 $ 48.20 $ 1,200,180.00 $ 41.60 $ 1,035,840.00 $ 41.00 $ 1,020,900.00 $ 51.25 $ 1,276,125.00 5 8" lime stabilized subgrade, including grading, mixing, compacting and curing S.Y. 28650 $ 8.00 $ 229,200.00 $ 2.95 $ 84,517.50 $ 5.00 $ 143,250.00 $ 3.30 $ 94,545.00 $ 4.00 $ 114,600.00 $ 13.00 $ 372,450.00 6 Lime for lime stabilized subgrade (7% minimum by dry weight) TON 775 $ 180.00 $ 139,500.00 $ 175.00 $ 135,625.00 $ 195.00 $ 151,125.00 $ 171.80 $ 133,145.00 $ 155.00 $ 120,125.00 $ 153.00 $ 118,575.00 6" Concrete , including sawcutting, curb return, stabilized subgrade, reinforcement and 7 joints S.Y. 2575 $ 52.00 $ 133,900.00 $ 61.50 $ 158,362.50 $ 56.00 $ 144,200.00 $ 63.70 $ 164,027.50 $ 75.00 $ 193,125.00 $ 72.00 $ 185,400.00 Remove and dispose of existing concrete driveway, regardless of thickness encountered, 8 including sawcutting S.Y. 2575 $ 5.30 $ 13,647.50 $ 3.00 $ 7,725.00 $ 7.00 $ 18,025.00 $ 2.30 $ 5,922.50 $ 5.00 $ 12,875.00 $ 11.00 $ 28,325.00 9 Concrete paving header L.F. 350 $ 11.00 $ 3,850.00 $ 15.00 $ 5,250.00 $ 25.00 $ 8,750.00 $ 9.10 $ 3,185.00 $ 7.00 $ 2,450.00 $ 5.00 $ 1,750.00 4-1/2" thick concrete , including sawcutting, subgrade, bank sand bedding, reinforcement 10 and joints S.F. 19700 $ 6.00 $ 118,200.00 $ 5.70 $ 112,290.00 $ 6.00 $ 118,200.00 $ 4.90 $ 96,530.00 $ 6.00 $ 118,200.00 $ 7.50 $ 147,750.00 Remove and dispose of existing concrete sidewalk, regardless of thickness encountered, 11 including sawcutting S.Y. 1750 $ 2.10 $ 3,675.00 $ 1.00 $ 1,750.00 $ 7.00 $ 12,250.00 $ 2.30 $ 4,025.00 $ 1.00 $ 1,750.00 $ 4.00 $ 7,000.00 Remove and Replace Wheelchair Ramp, including sawcutting, reinforcement and joints, and 12 truncated domes S.F. 350 $ 21.00 $ 7,350.00 $ 15.50 $ 5,425.00 $ 15.00 $ 5,250.00 $ 39.70 $ 13,895.00 $ 70.00 $ 24,500.00 $ 40.00 $ 14,000.00 13 Standard 6" Curb, including sawcutting, reinforcement and joints L.F. 11800 $ 3.00 $ 35,400.00 $ 3.00 $ 35,400.00 $ 4.50 $ 53,100.00 $ 2.70 $ 31,860.00 $ 4.00 $ 47,200.00 $ 3.00 $ 35,400.00 14 Concrete rip rap for nose S.Y. 40 $ 44.00 $ 1,760.00 $ 65.00 $ 2,600.00 $ 60.00 $ 2,400.00 $ 50.50 $ 2,020.00 $ 250.00 $ 10,000.00 $ 300.00 $ 12,000.00 Vehicle loop detector, including sawcut containing loop wire, (per Harris County detail) for 15 complete operation L.F. 400 $ 21.00 $ 8,400.00 $ 19.00 $ 7,600.00 $ 40.00 $ 16,000.00 $ 21.20 $ 8,480.00 $ 15.00 $ 6,000.00 $ 15.00 $ 6,000.00 Total Paving Items: $ 1,961,132.50 $ 1,964,095.00 $ 2,252,130.00 $ 2,262,107.00 $ 1,901,525.00 $ 2,544,475.00 Drainage Items Remove and dispose of existing storm sewer and culverts, all depths, all sizes, all material types, 16 including excavation and backfill and site restoration L.F. 1,450 $ 27.00 $ 39,150.00 $ 16.85 $ 24,432.50 $ 18.00 $ 26,100.00 $ 13.20 $ 19,140.00 $ 20.00 $ 29,000.00 $ 15.00 $ 21,750.00 17 Abandon and grout-fill existing storm sewer and culverts, all depths, all sizes C.Y. 5 $ 600.00 $ 3,000.00 $ 1,300.00 $ 6,500.00 $ 120.00 $ 600.00 $ 520.90 $ 2,604.50 $ 200.00 $ 1,000.00 $ 1,000.00 $ 5,000.00 18 Storm Sewer Plugs, More Than 24" Diameter, 2 Rows, including Mortar and Grout E.A. 1 $ 525.00 $ 525.00 $ 700.00 $ 700.00 $ 780.00 $ 780.00 $ 518.50 $ 518.50 $ 500.00 $ 500.00 $ 2,000.00 $ 2,000.00 Storm Sewer Brick Plugs, Less Than or Equal to 24" Diameter, 2 Rows, including Mortar and 19 Grout EA. 3 $ 375.00 $ 1,125.00 $ 675.00 $ 2,025.00 $ 540.00 $ 1,620.00 $ 422.70 $ 1,268.10 $ 550.00 $ 1,650.00 $ 1,000.00 $ 3,000.00 20 Replace yard drain piping through curb, including PVC pipe and fittings, all depths EA. 4 $ 420.00 $ 1,680.00 $ 485.00 $ 1,940.00 $ 540.00 $ 2,160.00 $ 533.10 $ 2,132.40 $ 400.00 $ 1,600.00 $ 1,000.00 $ 4,000.00 Remove and dispose of existing storm sewer manhole or junction box, including excavation and 21 backfill, salvaging ring and cover and site restoration EA. 15 $ 1,100.00 $ 16,500.00 $ 725.00 $ 10,875.00 $ 1,020.00 $ 15,300.00 $ 389.90 $ 5,848.50 $ 475.00 $ 7,125.00 $ 250.00 $ 3,750.00 Remove and dispose of existing inlets, including excavation and backfill, salvaging frame and 22 grate and site restoration EA. 26 $ 520.00 $ 13,520.00 $ 495.00 $ 12,870.00 $ 660.00 $ 17,160.00 $ 389.90 $ 10,137.40 $ 420.00 $ 10,920.00 $ 250.00 $ 6,500.00 Adjust Existing Storm Sewer Manhole Rim and Cover to Grade, including excavation, backfill, 23 and site restoration EA. 3 $ 440.00 $ 1,320.00 $ 525.00 $ 1,575.00 $ 420.00 $ 1,260.00 $ 384.20 $ 1,152.60 $ 430.00 $ 1,290.00 $ 500.00 $ 1,500.00 60" Diameter Reinforced Concrete Pipe, ASTM C76, Class III storm sewer, rubber gasket joints, 24 all depths, cement stabilized sand bedding and backfill L.F. 263 $ 300.00 $ 78,900.00 $ 375.00 $ 98,625.00 $ 270.00 $ 71,010.00 $ 328.40 $ 86,369.20 $ 500.00 $ 131,500.00 $ 370.00 $ 97,310.00 54" Diameter Reinforced Concrete Pipe, ASTM C76, Class III storm sewer, rubber gasket joints, 25 all depths, cement stabilized sand bedding and backfill L.F. 603 $ 285.00 $ 171,855.00 $ 335.00 $ 202,005.00 $ 246.00 $ 148,338.00 $ 273.30 $ 164,799.90 $ 450.00 $ 271,350.00 $ 340.00 $ 205,020.00 48" Diameter Reinforced Concrete Pipe, ASTM C76, Class III storm sewer, rubber gasket joints, 26 all depths, cement stabilized sand bedding and backfill L.F. 35 $ 240.00 $ 8,400.00 $ 295.00 $ 10,325.00 $ 198.00 $ 6,930.00 $ 327.30 $ 11,455.50 $ 400.00 $ 14,000.00 $ 300.00 $ 10,500.00 42" Diameter Reinforced Concrete Pipe, ASTM C76, Class III storm sewer, rubber gasket joints, 27 all depths, cement stabilized sand bedding and backfill L.F. 489 $ 205.00 $ 100,245.00 $ 246.00 $ 120,294.00 $ 126.00 $ 61,614.00 $ 214.00 $ 104,646.00 $ 350.00 $ 171,150.00 $ 235.00 $ 114,915.00 36" Diameter Reinforced Concrete Pipe, ASTM C76, Class III storm sewer, rubber gasket joints, 28 all depths, cement stabilized sand bedding and backfill L.F. 691 $ 160.00 $ 110,560.00 $ 195.00 $ 134,745.00 $ 96.00 $ 66,336.00 $ 162.10 $ 112,011.10 $ 300.00 $ 207,300.00 $ 195.00 $ 134,745.00 24" Diameter Reinforced Concrete Pipe, ASTM C76, Class III storm sewer, rubber gasket joints, 29 all depths, cement stabilized sand bedding and backfill L.F. 1,436 $ 75.00 $ 107,700.00 $ 105.00 $ 150,780.00 $ 73.20 $ 105,115.20 $ 89.00 $ 127,804.00 $ 200.00 $ 287,200.00 $ 120.00 $ 172,320.00 30 Outfall Connection at Wingwall of Existing Outfall Structure per detail L.S. 1 $ 13,000.00 $ 13,000.00 $ 18,500.00 $ 18,500.00 $ 5,000.00 $ 5,000.00 $ 16,863.60 $ 16,863.60 $ 40,000.00 $ 40,000.00 $ 15,000.00 $ 15,000.00 Remove and Replace Metal Beam Guard Fence with Single Guard Terminal, including Mow Strip 31 and OM-3R Object Marker Sign L.S. 1 $ 6,600.00 $ 6,600.00 $ 6,300.00 $ 6,300.00 $ 10,530.00 $ 10,530.00 $ 2,516.60 $ 2,516.60 $ 10,000.00 $ 10,000.00 $ 6,000.00 $ 6,000.00 Precast 9' x 6' Storm Sewer Box Junction Box, all depths, including ring and cover or frame and 32 grate, cement stabilized sand bedding and backfill EA. 1 $ 9,800.00 $ 9,800.00 $ 11,100.00 $ 11,100.00 $ 15,000.00 $ 15,000.00 $ 28,291.40 $ 28,291.40 $ 18,000.00 $ 18,000.00 $ 11,000.00 $ 11,000.00 Precast 8' x 8' Storm Sewer Box Junction Box, all depths, including ring and cover or frame and 33 grate, cement stabilized sand bedding and backfill EA. 2 $ 10,000.00 $ 20,000.00 $ 13,950.00 $ 27,900.00 $ 10,200.00 $ 20,400.00 $ 12,957.00 $ 25,914.00 $ 17,500.00 $ 35,000.00 $ 12,000.00 $ 24,000.00 Precast 7' x 7' Storm Sewer Box Junction Box, all depths, including ring and cover or frame and 34 grate, cement stabilized sand bedding and backfill EA. 7 $ 6,700.00 $ 46,900.00 $ 12,685.00 $ 88,795.00 $ 6,600.00 $ 46,200.00 $ 8,183.10 $ 57,281.70 $ 12,000.00 $ 84,000.00 $ 12,000.00 $ 84,000.00 Precast 6' x 6' Storm Sewer Box Junction Box, all depths, including ring and cover or frame and 35 grate, cement stabilized sand bedding and backfill EA. 6 $ 5,000.00 $ 30,000.00 $ 9,950.00 $ 59,700.00 $ 4,560.00 $ 27,360.00 $ 6,601.10 $ 39,606.60 $ 7,000.00 $ 42,000.00 $ 6,500.00 $ 39,000.00 Precast 5' x 5' Storm Sewer Box Junction Box, all depths, including ring and cover or frame and 36 grate, cement stabilized sand bedding and backfill EA. 9 $ 3,400.00 $ 30,600.00 $ 6,000.00 $ 54,000.00 $ 3,540.00 $ 31,860.00 $ 4,410.30 $ 39,692.70 $ 6,000.00 $ 54,000.00 $ 5,000.00 $ 45,000.00 Precast 4' x 4' Storm Sewer Box Junction Box, all depths, including ring and cover or frame and 37 grate, cement stabilized sand bedding and backfill EA. 7 $ 2,300.00 $ 16,100.00 $ 3,725.00 $ 26,075.00 $ 3,000.00 $ 21,000.00 $ 2,620.40 $ 18,342.80 $ 5,000.00 $ 35,000.00 $ 4,000.00 $ 28,000.00 Type 'B-B' Storm Sewer Inlet, all depths, including frame and grate, cement stabilized sand 38 bedding and backfill EA. 26 $ 1,800.00 $ 46,800.00 $ 3,555.00 $ 92,430.00 $ 3,840.00 $ 99,840.00 $ 2,177.60 $ 56,617.60 $ 4,500.00 $ 117,000.00 $ 4,000.00 $ 104,000.00 Type 'C-1' Storm Sewer Inlet, all depths, including ring and cover, cement stabilized sand 39 bedding and backfill EA. 4 $ 2,500.00 $ 10,000.00 $ 4,500.00 $ 18,000.00 $ 3,300.00 $ 13,200.00 $ 2,865.80 $ 11,463.20 $ 5,200.00 $ 20,800.00 $ 4,500.00 $ 18,000.00

1 of 6 HDR Job No. 17-019 Blackhawk Boulevard Reconstruction Phase II Package 'A' City of Friendswood, Texas

Low Bidder Main Lane Industries, LTD (MC2 Joslin Construction Texas, LLC Triple B Services, LLP Tandem Services Mar-Con Services, LLC Civil, Inc.) Harper Brothers Construction

ITEM ITEM DESCRIPTION UNIT QUAN. UNIT TOTAL UNIT TOTAL UNIT TOTAL UNIT TOTAL UNIT TOTAL UNIT TOTAL NO. PRICE AMOUNT PRICE AMOUNT PRICE AMOUNT PRICE AMOUNT PRICE AMOUNT PRICE AMOUNT Concrete Collar RCP to RCB Connection (All Sizes), all depths, including cement stabilized sand, 40 bedding and backfill per detail EA. 1 $ 1,300.00 $ 1,300.00 $ 1,100.00 $ 1,100.00 $ 900.00 $ 900.00 $ 896.20 $ 896.20 $ 6,000.00 $ 6,000.00 $ 2,000.00 $ 2,000.00 Concrete Collar RCP to RCP Connection (All Sizes), all depths, including cement stabilized sand, 41 bedding and backfill per detail EA. 1 $ 1,100.00 $ 1,100.00 $ 1,200.00 $ 1,200.00 $ 900.00 $ 900.00 $ 807.30 $ 807.30 $ 3,000.00 $ 3,000.00 $ 1,000.00 $ 1,000.00 Trench safety for all storm sewers greater than 5' deep, including installation, operation and 42 removal L.F. 3,517 $ 2.00 $ 7,034.00 $ 2.00 $ 7,034.00 $ 3.60 $ 12,661.20 $ 2.00 $ 7,034.00 $ 4.00 $ 14,068.00 $ 2.00 $ 7,034.00 43 Rock Filter Dam, including maintenance and removal EA. 1 $ 1,100.00 $ 1,100.00 $ 2,500.00 $ 2,500.00 $ 1,000.00 $ 1,000.00 $ 2,950.20 $ 2,950.20 $ 6,000.00 $ 6,000.00 $ 1,100.00 $ 1,100.00 Low Profile Inlet Protector (at Existing & Proposed Stage II Inlets), including maintenance and 44 removal EA. 51 $ 115.00 $ 5,865.00 $ 75.00 $ 3,825.00 $ 250.00 $ 12,750.00 $ 60.50 $ 3,085.50 $ 175.00 $ 8,925.00 $ 125.00 $ 6,375.00 Total Drainage Items: $ 900,679.00 $ 1,196,150.50 $ 842,924.40 $ 961,251.10 $ 1,629,378.00 $ 1,173,819.00 Utility Items 12-inch PVC (AWWA C-900, DR 18) Class 150, Water Line by Augered Construction, all depths, 45 including Auger and Service Connection Pits, fittings and restraints L.F. 1,900 $ 76.00 $ 144,400.00 $ 58.00 $ 110,200.00 $ 64.80 $ 123,120.00 $ 51.50 $ 97,850.00 $ 105.00 $ 199,500.00 $ 64.00 $ 121,600.00 8-inch PVC (AWWA C-900, DR 18) Class 150, Water Line by Augered Construction, all depths, 46 including Auger and Service Connection Pits, fittings and restraints L.F. 600 $ 70.30 $ 42,180.00 $ 61.00 $ 36,600.00 $ 50.40 $ 30,240.00 $ 70.40 $ 42,240.00 $ 100.00 $ 60,000.00 $ 80.00 $ 48,000.00 6-inch PVC (AWWA C-900, DR 18) Class 150, Water Line by Augered Construction, all depths, 47 including Auger and Service Connection Pits, fittings and restraints L.F. 50 $ 115.00 $ 5,750.00 $ 114.00 $ 5,700.00 $ 37.20 $ 1,860.00 $ 76.80 $ 3,840.00 $ 200.00 $ 10,000.00 $ 170.00 $ 8,500.00 48 20" Steel Casing on 12" Water Line L.F. 20 $ 64.00 $ 1,280.00 $ 79.00 $ 1,580.00 $ 150.00 $ 3,000.00 $ 212.00 $ 4,240.00 $ 200.00 $ 4,000.00 $ 500.00 $ 10,000.00 12-inch Gate Valve & Box, AWWA C509, mechanical joint, resilient wedge, NRS open counter 49 clockwise with valve boxes EA. 4 $ 2,400.00 $ 9,600.00 $ 2,650.00 $ 10,600.00 $ 2,340.00 $ 9,360.00 $ 2,761.00 $ 11,044.00 $ 3,500.00 $ 14,000.00 $ 2,500.00 $ 10,000.00 8-inch Gate Valve & Box, AWWA C509, mechanical joint, resilient wedge, NRS open counter 50 clockwise with valve boxes EA. 6 $ 1,400.00 $ 8,400.00 $ 1,540.00 $ 9,240.00 $ 1,440.00 $ 8,640.00 $ 1,520.30 $ 9,121.80 $ 2,500.00 $ 15,000.00 $ 1,800.00 $ 10,800.00 51 12-inch Wet Connection, including coupling and appurtenances as necessary EA. 2 $ 820.00 $ 1,640.00 $ 675.00 $ 1,350.00 $ 1,140.00 $ 2,280.00 $ 1,071.90 $ 2,143.80 $ 3,000.00 $ 6,000.00 $ 5,000.00 $ 10,000.00 52 8-inch Wet Connection, including coupling and appurtenances as necessary EA. 4 $ 580.00 $ 2,320.00 $ 465.00 $ 1,860.00 $ 900.00 $ 3,600.00 $ 794.50 $ 3,178.00 $ 2,500.00 $ 10,000.00 $ 5,000.00 $ 20,000.00 53 6-inch Wet Connection, including coupling and appurtenances as necessary EA. 2 $ 500.00 $ 1,000.00 $ 625.95 $ 1,251.90 $ 780.00 $ 1,560.00 $ 708.50 $ 1,417.00 $ 2,200.00 $ 4,400.00 $ 2,500.00 $ 5,000.00 54 Cut and plug existing 12-inch water line to be abandoned EA. 2 $ 540.00 $ 1,080.00 $ 633.95 $ 1,267.90 $ 780.00 $ 1,560.00 $ 753.10 $ 1,506.20 $ 800.00 $ 1,600.00 $ 1,000.00 $ 2,000.00 55 Cut and plug existing 8-inch water line to be abandoned EA. 4 $ 400.00 $ 1,600.00 $ 526.00 $ 2,104.00 $ 780.00 $ 3,120.00 $ 644.70 $ 2,578.80 $ 550.00 $ 2,200.00 $ 1,000.00 $ 4,000.00 56 Cut and plug existing 6-inch water line to be abandoned EA. 2 $ 360.00 $ 720.00 $ 479.00 $ 958.00 $ 780.00 $ 1,560.00 $ 604.10 $ 1,208.20 $ 650.00 $ 1,300.00 $ 1,000.00 $ 2,000.00 57 Short Side Water Line Service Reconnections (1 inch) EA. 1 $ 740.00 $ 740.00 $ 530.00 $ 530.00 $ 1,320.00 $ 1,320.00 $ 822.30 $ 822.30 $ 2,000.00 $ 2,000.00 $ 1,000.00 $ 1,000.00 58 Long Side Water Line Service Reconnections (1 inch) EA. 34 $ 2,500.00 $ 85,000.00 $ 1,000.00 $ 34,000.00 $ 1,980.00 $ 67,320.00 $ 810.60 $ 27,560.40 $ 3,200.00 $ 108,800.00 $ 1,000.00 $ 34,000.00 59 Fire hydrant assembly, AWWA C502, mechanical joint inlet, including 6" gate valve and box EA. 5 $ 3,200.00 $ 16,000.00 $ 4,000.00 $ 20,000.00 $ 6,480.00 $ 32,400.00 $ 3,831.40 $ 19,157.00 $ 6,000.00 $ 30,000.00 $ 5,500.00 $ 27,500.00 60 Fire hydrant lead L.F. 40 $ 78.70 $ 3,148.00 $ 14.00 $ 560.00 $ 42.00 $ 1,680.00 $ 42.10 $ 1,684.00 $ 120.00 $ 4,800.00 $ 45.00 $ 1,800.00 61 Remove Existing Blow-off Valve EA. 1 $ 240.00 $ 240.00 $ 175.00 $ 175.00 $ 420.00 $ 420.00 $ 349.40 $ 349.40 $ 300.00 $ 300.00 $ 500.00 $ 500.00 62 Abandon Existing Water Valve EA. 11 $ 230.00 $ 2,530.00 $ 175.00 $ 1,925.00 $ 660.00 $ 7,260.00 $ 111.10 $ 1,222.10 $ 130.00 $ 1,430.00 $ 500.00 $ 5,500.00 63 Adjust Existing Water Valve EA. 4 $ 135.00 $ 540.00 $ 185.00 $ 740.00 $ 420.00 $ 1,680.00 $ 60.60 $ 242.40 $ 350.00 $ 1,400.00 $ 500.00 $ 2,000.00

64 Trench safety for all water line greater than 5' deep, including installation, operation and removal L.F. 1,000 $ 2.00 $ 2,000.00 $ 2.00 $ 2,000.00 $ 2.40 $ 2,400.00 $ 2.00 $ 2,000.00 $ 4.00 $ 4,000.00 $ 2.00 $ 2,000.00 Adjust Existing Sanitary Manhole Rim and Cover to New Grade, including rack over if required, 65 excavation, backfill, and site restoration EA. 7 $ 1,000.00 $ 7,000.00 $ 575.00 $ 4,025.00 $ 660.00 $ 4,620.00 $ 389.50 $ 2,726.50 $ 450.00 $ 3,150.00 $ 500.00 $ 3,500.00 Total Utility Items: $ 337,168.00 $ 246,666.80 $ 309,000.00 $ 236,131.90 $ 483,880.00 $ 329,700.00 Striping and Signage Items 66 Thermoplastic pavement markings, 4" white, including surface preparation and priming L.F. 2,400 $ 0.72 $ 1,728.00 $ 0.70 $ 1,680.00 $ 0.65 $ 1,560.00 $ 0.60 $ 1,440.00 $ 1.00 $ 2,400.00 $ 0.55 $ 1,320.00 67 Thermoplastic pavement markings, 8" white, including surface preparation and priming L.F. 600 $ 1.55 $ 930.00 $ 1.55 $ 930.00 $ 1.25 $ 750.00 $ 1.40 $ 840.00 $ 1.50 $ 900.00 $ 1.25 $ 750.00 68 Thermoplastic pavement markings,12" white, including surface preparation and priming L.F. 1,000 $ 3.40 $ 3,400.00 $ 2.85 $ 2,850.00 $ 3.00 $ 3,000.00 $ 2.50 $ 2,500.00 $ 2.40 $ 2,400.00 $ 2.25 $ 2,250.00 69 Thermoplastic pavement markings, 24" white, including surface preparation and priming L.F. 180 $ 5.50 $ 990.00 $ 5.95 $ 1,071.00 $ 6.00 $ 1,080.00 $ 5.30 $ 954.00 $ 5.00 $ 900.00 $ 4.68 $ 842.40 Thermoplastic pavement marking, yellow paint along esplanade curb, including surface 70 preparation and priming L.F. 1,800 $ 0.95 $ 1,710.00 $ 1.10 $ 1,980.00 $ 1.25 $ 2,250.00 $ 1.00 $ 1,800.00 $ 1.00 $ 1,800.00 $ 0.88 $ 1,584.00 Thermoplastic pavement marking, yellow paint on esplanade nose area, including surface 71 preparation and priming, complete in pace the sum of: S.Y. 40 $ 2.80 $ 112.00 $ 2.85 $ 114.00 $ 11.50 $ 460.00 $ 2.50 $ 100.00 $ 2.25 $ 90.00 $ 2.25 $ 90.00 72 Thermoplastic pavement markings, ONLY, including surface preparation and priming EA. 5 $ 171.00 $ 855.00 $ 150.00 $ 750.00 $ 119.00 $ 595.00 $ 135.60 $ 678.00 $ 140.00 $ 700.00 $ 120.00 $ 600.00 73 Thermoplastic pavement markings, arrow, including surface preparation and priming EA. 5 $ 140.00 $ 700.00 $ 145.00 $ 725.00 $ 119.00 $ 595.00 $ 130.00 $ 650.00 $ 120.00 $ 600.00 $ 115.00 $ 575.00 74 Raised reflective pavement markers, Type II-C-R EA. 360 $ 4.15 $ 1,494.00 $ 4.75 $ 1,710.00 $ 5.65 $ 2,034.00 $ 4.20 $ 1,512.00 $ 4.00 $ 1,440.00 $ 3.75 $ 1,350.00 75 Raised reflective pavement markers, Type II-B-B EA. 6 $ 5.20 $ 31.20 $ 10.00 $ 60.00 $ 5.00 $ 30.00 $ 9.00 $ 54.00 $ 10.00 $ 60.00 $ 8.00 $ 48.00 Furnish and install traffic sign, STOP R1-1, including sign, WITH NO OUTLET 76 DESIGNATION EA. 1 $ 520.00 $ 520.00 $ 460.00 $ 460.00 $ 330.00 $ 330.00 $ 408.50 $ 408.50 $ 400.00 $ 400.00 $ 361.50 $ 361.50 Furnish and install traffic sign, STOP R1-1, including street sign, WITHOUT NO OUTLET 77 DESIGNATION EA. 7 $ 515.00 $ 3,605.00 $ 430.00 $ 3,010.00 $ 330.00 $ 2,310.00 $ 385.30 $ 2,697.10 $ 370.00 $ 2,590.00 $ 341.00 $ 2,387.00 78 Furnish and install traffic sign, STOP R1-1, without street sign EA. 1 $ 315.00 $ 315.00 $ 260.00 $ 260.00 $ 306.00 $ 306.00 $ 231.70 $ 231.70 $ 230.00 $ 230.00 $ 205.00 $ 205.00 79 Furnish and install traffic sign, SPEED LIMIT R2-1 EA. 3 $ 275.00 $ 825.00 $ 245.00 $ 735.00 $ 306.00 $ 918.00 $ 220.40 $ 661.20 $ 195.00 $ 585.00 $ 195.00 $ 585.00 80 Furnish and install traffic sign, SPEED LIMIT R2-1, including END SCHOOL ZONE EA. 1 $ 308.00 $ 308.00 $ 275.00 $ 275.00 $ 330.00 $ 330.00 $ 244.10 $ 244.10 $ 216.00 $ 216.00 $ 216.00 $ 216.00 81 Project identification sign, including installation, maintenance and removal EA. 2 $ 675.00 $ 1,350.00 $ 745.00 $ 1,490.00 $ 750.00 $ 1,500.00 $ 661.10 $ 1,322.20 $ 1,000.00 $ 2,000.00 $ 585.00 $ 1,170.00 Total Striping and Signage Items: $ 18,873.20 $ 18,100.00 $ 18,048.00 $ 16,092.80 $ 17,311.00 $ 14,333.90 Tree Protection Items 82 Remove Existing Trees, All Sizes EA. 1 $ 600.00 $ 600.00 $ 760.00 $ 760.00 $ 2,000.00 $ 2,000.00 $ 678.00 $ 678.00 $ 1,500.00 $ 1,500.00 $ 1,000.00 $ 1,000.00 83 Clearance Prune Tree, All Sizes EA. 130 $ 85.00 $ 11,050.00 $ 108.00 $ 14,040.00 $ 250.00 $ 32,500.00 $ 96.10 $ 12,493.00 $ 170.00 $ 22,100.00 $ 100.00 $ 13,000.00 84 Install Tree Protection Fence, including Maintenance and Removal L.F. 7,000 $ 1.40 $ 9,800.00 $ 6.35 $ 44,450.00 $ 3.00 $ 21,000.00 $ 2.00 $ 14,000.00 $ 5.00 $ 35,000.00 $ 2.00 $ 14,000.00 85 Install Root Pruning Trench L.F. 2,000 $ 3.30 $ 6,600.00 $ 8.25 $ 16,500.00 $ 20.00 $ 40,000.00 $ 9.00 $ 18,000.00 $ 8.00 $ 16,000.00 $ 12.00 $ 24,000.00 86 Install Zero Curb Cutback L.F. 1,600 $ 13.00 $ 20,800.00 $ 11.55 $ 18,480.00 $ 10.00 $ 16,000.00 $ 18.00 $ 28,800.00 $ 2.50 $ 4,000.00 $ 8.00 $ 12,800.00 87 Install Checkerplate Sidewalk construction S.F. 280 $ 55.00 $ 15,400.00 $ 44.55 $ 12,474.00 $ 9.00 $ 2,520.00 $ 13.80 $ 3,864.00 $ 55.00 $ 15,400.00 $ 60.00 $ 16,800.00 88 Hand dig tap and lead/Water line fitting/Fire Hydrant EA. 1 $ 1,700.00 $ 1,700.00 $ 1,200.00 $ 1,200.00 $ 5,500.00 $ 5,500.00 $ 972.00 $ 972.00 $ 1,500.00 $ 1,500.00 $ 3,000.00 $ 3,000.00 Total Tree Protection Items: $ 65,950.00 $ 107,904.00 $ 119,520.00 $ 78,807.00 $ 95,500.00 $ 84,600.00

2 of 6 HDR Job No. 17-019 Blackhawk Boulevard Reconstruction Phase II Package 'A' City of Friendswood, Texas

Low Bidder Main Lane Industries, LTD (MC2 Joslin Construction Texas, LLC Triple B Services, LLP Tandem Services Mar-Con Services, LLC Civil, Inc.) Harper Brothers Construction

ITEM ITEM DESCRIPTION UNIT QUAN. UNIT TOTAL UNIT TOTAL UNIT TOTAL UNIT TOTAL UNIT TOTAL UNIT TOTAL NO. PRICE AMOUNT PRICE AMOUNT PRICE AMOUNT PRICE AMOUNT PRICE AMOUNT PRICE AMOUNT Supplemental Items 89 Well pointing for storm sewer, all sizes, all depths, including all necessary appurtenances L.F. 1,000 $ 34.00 $ 34,000.00 $ 20.00 $ 20,000.00 $ 42.00 $ 42,000.00 $ 20.00 $ 20,000.00 $ 20.00 $ 20,000.00 $ 35.00 $ 35,000.00 90 Well pointing for water line, all sizes, all depths, including all necessary appurtenances L.F. 500 $ 20.00 $ 10,000.00 $ 20.00 $ 10,000.00 $ 42.00 $ 21,000.00 $ 20.00 $ 10,000.00 $ 20.00 $ 10,000.00 $ 35.00 $ 17,500.00 Wet condition bedding for storm sewer installation, all sizes, all depths, consisting of 6" crushed 91 stone foundation L.F. 1,000 $ 5.00 $ 5,000.00 $ 5.00 $ 5,000.00 $ 24.00 $ 24,000.00 $ 5.90 $ 5,900.00 $ 5.00 $ 5,000.00 $ 10.00 $ 10,000.00 Wet condition bedding for water line installation, all sizes, all depths, consisting of 6" crushed 92 stone foundation L.F. 500 $ 5.00 $ 2,500.00 $ 5.00 $ 2,500.00 $ 24.00 $ 12,000.00 $ 5.00 $ 2,500.00 $ 5.00 $ 2,500.00 $ 5.00 $ 2,500.00 93 Wet condition bedding for storm sewer junction box construction, all sizes, all depths EA. 4 $ 500.00 $ 2,000.00 $ 500.00 $ 2,000.00 $ 600.00 $ 2,400.00 $ 500.00 $ 2,000.00 $ 500.00 $ 2,000.00 $ 500.00 $ 2,000.00 94 Solid sheet shoring system for storm sewer and water line, all sizes, all depths L.F. 100 $ 40.00 $ 4,000.00 $ 20.00 $ 2,000.00 $ 66.00 $ 6,600.00 $ 45.20 $ 4,520.00 $ 20.00 $ 2,000.00 $ 20.00 $ 2,000.00 95 Installation and removal of piezometers EA. 7 $ 250.00 $ 1,750.00 $ 100.00 $ 700.00 $ 600.00 $ 4,200.00 $ 100.00 $ 700.00 $ 100.00 $ 700.00 $ 100.00 $ 700.00 96 Install extra cement stabilized sand backfill C.Y. 200 $ 20.00 $ 4,000.00 $ 20.00 $ 4,000.00 $ 30.00 $ 6,000.00 $ 34.70 $ 6,940.00 $ 20.00 $ 4,000.00 $ 63.00 $ 12,600.00 97 Install extra bank sand backfill C.Y. 100 $ 15.00 $ 1,500.00 $ 15.00 $ 1,500.00 $ 18.00 $ 1,800.00 $ 15.00 $ 1,500.00 $ 15.00 $ 1,500.00 $ 150.00 $ 15,000.00 98 Extra Type D asphalt pavement TON 100 $ 90.00 $ 9,000.00 $ 60.00 $ 6,000.00 $ 75.00 $ 7,500.00 $ 60.00 $ 6,000.00 $ 60.00 $ 6,000.00 $ 70.00 $ 7,000.00 99 Extra crushed concrete base material TON 100 $ 25.00 $ 2,500.00 $ 25.00 $ 2,500.00 $ 35.00 $ 3,500.00 $ 25.00 $ 2,500.00 $ 25.00 $ 2,500.00 $ 62.00 $ 6,200.00 100 6" overexcavation of trench bottom L.F. 1,000 $ 3.00 $ 3,000.00 $ 3.00 $ 3,000.00 $ 12.00 $ 12,000.00 $ 3.00 $ 3,000.00 $ 3.00 $ 3,000.00 $ 4.50 $ 4,500.00 Extra 1.5 sack of cement per cubic yard added to the 6" concrete pavement and driveways (total 101 of 7.0 sack/cubic yard) S.Y. 2,500 $ 3.00 $ 7,500.00 $ 3.00 $ 7,500.00 $ 3.00 $ 7,500.00 $ 3.00 $ 7,500.00 $ 3.00 $ 7,500.00 $ 3.00 $ 7,500.00 Extra 1.5 sack of cement per cubic yard added to the 8" concrete pavement (total of 7.0 102 sack/cubic yard) S.Y. 2,500 $ 4.00 $ 10,000.00 $ 4.00 $ 10,000.00 $ 4.00 $ 10,000.00 $ 4.00 $ 10,000.00 $ 4.00 $ 10,000.00 $ 4.00 $ 10,000.00 103 Brace, support and protect utility structures as per Utility Company's requirements EA. 1 $ 800.00 $ 800.00 $ 800.00 $ 800.00 $ 1,000.00 $ 1,000.00 $ 800.00 $ 800.00 $ 800.00 $ 800.00 $ 800.00 $ 800.00 104 Exaggerated curb greater than 6" in height L.F. 200 $ 7.00 $ 1,400.00 $ 5.00 $ 1,000.00 $ 6.00 $ 1,200.00 $ 5.00 $ 1,000.00 $ 5.00 $ 1,000.00 $ 5.00 $ 1,000.00 105 Retaining wall per detail L.F. 100 $ 26.00 $ 2,600.00 $ 93.65 $ 9,365.00 $ 90.00 $ 9,000.00 $ 67.90 $ 6,790.00 $ 60.00 $ 6,000.00 $ 20.00 $ 2,000.00 Remove and Replace Decorative Landscaping, including Flowers, Plants, Bushes, Rocks and 106 Associated Materials within Landscaping Area S.F. 500 $ 6.00 $ 3,000.00 $ 12.75 $ 6,375.00 $ 5.00 $ 2,500.00 $ 5.70 $ 2,850.00 $ 20.00 $ 10,000.00 $ 10.00 $ 5,000.00 Remove and Replace Irrigation System per Property due to conflict during construction to obtain an operational system, including Sprinkler Heads and Valves and Plugging Existing System for 107 Use During Construction EA. 3 $ 1,500.00 $ 4,500.00 $ 1,900.00 $ 5,700.00 $ 1,500.00 $ 4,500.00 $ 2,260.00 $ 6,780.00 $ 1,000.00 $ 3,000.00 $ 1,000.00 $ 3,000.00 108 Abandon Existing Storm Sewer Manhole per detail in plans EA. 1 $ 1,500.00 $ 1,500.00 $ 1,500.00 $ 1,500.00 $ 1,500.00 $ 1,500.00 $ 3,071.00 $ 3,071.00 $ 1,500.00 $ 1,500.00 $ 1,500.00 $ 1,500.00 36" Diameter Reinforced Concrete Pipe, ASTM C76, Class III 6000 PSI storm sewer by trenchless construction for crossing of abandoned pipelines from Sta. 57+70 to 58+35, rubber 108A gasket joints, all depths LF 65 $ 460.00 $ 29,900.00 $ 235.00 $ 15,275.00 $ 300.00 $ 19,500.00 $ 267.00 $ 17,355.00 $ 400.00 $ 26,000.00 $ 325.00 $ 21,125.00 Clean and Televise Existing Storm Sewer Pipe Ranging from 24-inch Diameter to Equal to or 109 Less Than 30-inch Diameter, including capturing and proper disposal of pipe debris L.F. 350 $ 18.50 $ 6,475.00 $ 6.85 $ 2,397.50 $ 30.00 $ 10,500.00 $ 19.20 $ 6,720.00 $ 4.00 $ 1,400.00 $ 4.00 $ 1,400.00 Clean and Televise Storm Sewer Pipe Ranging from 36-inch Diameter to Equal to or Less Than 110 42-inch Diameter, including capturing and proper disposal of pipe debris L.F. 1,000 $ 21.50 $ 21,500.00 $ 6.85 $ 6,850.00 $ 30.00 $ 30,000.00 $ 33.90 $ 33,900.00 $ 7.00 $ 7,000.00 $ 7.00 $ 7,000.00 Clean and Televise Storm Sewer Pipe Ranging from 48-inch Diameter to Equal to or Less Than 111 54-inch Diameter, including capturing and proper disposal of pipe debris L.F. 2,350 $ 25.00 $ 58,750.00 $ 6.85 $ 16,097.50 $ 42.00 $ 98,700.00 $ 45.20 $ 106,220.00 $ 10.00 $ 23,500.00 $ 10.00 $ 23,500.00 Proposed Point Repair on existing 24" RCP storm sewer (maximum limit of 8-foot), including removal and disposal of existing pipe section and replacing with new 24" RCP storm sewer, 112 bedding and backfill per detail and two concrete collars, complete in place the sum of: EA. 1 $ 2,250.00 $ 2,250.00 $ 3,800.00 $ 3,800.00 $ 1,100.00 $ 1,100.00 $ 3,588.20 $ 3,588.20 $ 2,300.00 $ 2,300.00 $ 9,600.00 $ 9,600.00 Proposed Point Repair on existing 30" RCP storm sewer (maximum limit of 8-foot), including removal and disposal of existing pipe section and replacing with new 30" RCP storm sewer, 113 bedding and backfill per detail and two concrete collars EA. 1 $ 4,500.00 $ 4,500.00 $ 4,100.00 $ 4,100.00 $ 1,100.00 $ 1,100.00 $ 3,787.60 $ 3,787.60 $ 2,750.00 $ 2,750.00 $ 9,700.00 $ 9,700.00 Proposed Point Repair on existing 36" RCP storm sewer (maximum limit of 8-foot), including removal and disposal of existing pipe section and replacing with new 36" RCP storm sewer, 114 bedding and backfill per detail and two concrete collars EA. 1 $ 5,000.00 $ 5,000.00 $ 4,700.00 $ 4,700.00 $ 1,200.00 $ 1,200.00 $ 4,035.10 $ 4,035.10 $ 5,000.00 $ 5,000.00 $ 9,850.00 $ 9,850.00 Proposed Point Repair on existing 42" RCP storm sewer (maximum limit of 8-foot), including removal and disposal of existing pipe section and replacing with new 42" RCP storm sewer, 115 bedding and backfill per detail and two concrete collars EA. 1 $ 5,600.00 $ 5,600.00 $ 5,400.00 $ 5,400.00 $ 1,690.00 $ 1,690.00 $ 5,247.90 $ 5,247.90 $ 5,500.00 $ 5,500.00 $ 10,000.00 $ 10,000.00 Proposed Point Repair on existing 48" RCP storm sewer (maximum limit of 8-foot), including removal and disposal of existing pipe section and replacing with new 48" RCP storm sewer, 116 bedding and backfill per detail and two concrete collars EA. 1 $ 5,800.00 $ 5,800.00 $ 5,600.00 $ 5,600.00 $ 2,400.00 $ 2,400.00 $ 6,362.60 $ 6,362.60 $ 5,750.00 $ 5,750.00 $ 10,150.00 $ 10,150.00 Proposed Point Repair on existing 54" RCP storm sewer (maximum limit of 8-foot), including removal and disposal of existing pipe section and replacing with new 54" RCP storm sewer, 117 bedding and backfill per detail and two concrete collars EA. 1 $ 7,300.00 $ 7,300.00 $ 6,500.00 $ 6,500.00 $ 3,300.00 $ 3,300.00 $ 6,889.20 $ 6,889.20 $ 6,200.00 $ 6,200.00 $ 10,450.00 $ 10,450.00 118 Additional footage of proposed 24" RCP storm sewer to Proposed Point Repair L.F. 8 $ 115.00 $ 920.00 $ 125.00 $ 1,000.00 $ 74.00 $ 592.00 $ 206.80 $ 1,654.40 $ 115.00 $ 920.00 $ 600.00 $ 4,800.00 119 Additional footage of proposed 30" RCP storm sewer to Proposed Point Repair L.F. 8 $ 147.00 $ 1,176.00 $ 145.00 $ 1,160.00 $ 86.00 $ 688.00 $ 218.50 $ 1,748.00 $ 150.00 $ 1,200.00 $ 605.00 $ 4,840.00 120 Additional footage of proposed 36" RCP storm sewer to Proposed Point Repair L.F. 8 $ 220.00 $ 1,760.00 $ 205.00 $ 1,640.00 $ 96.00 $ 768.00 $ 256.50 $ 2,052.00 $ 200.00 $ 1,600.00 $ 625.00 $ 5,000.00 121 Additional footage of proposed 42" RCP storm sewer to Proposed Point Repair L.F. 8 $ 290.00 $ 2,320.00 $ 265.00 $ 2,120.00 $ 126.00 $ 1,008.00 $ 469.00 $ 3,752.00 $ 240.00 $ 1,920.00 $ 650.00 $ 5,200.00 122 Additional footage of proposed 48" RCP storm sewer to Proposed Point Repair L.F. 8 $ 334.00 $ 2,672.00 $ 295.00 $ 2,360.00 $ 198.00 $ 1,584.00 $ 565.50 $ 4,524.00 $ 310.00 $ 2,480.00 $ 665.00 $ 5,320.00 123 Additional footage of proposed 54" RCP storm sewer to Proposed Point Repair L.F. 8 $ 385.00 $ 3,080.00 $ 345.00 $ 2,760.00 $ 246.00 $ 1,968.00 $ 631.30 $ 5,050.40 $ 330.00 $ 2,640.00 $ 700.00 $ 5,600.00 18" x 28" RCAP, ASTM C506, Class A-III storm sewer, tongue and groove joints with 24" wide 124 geotextile joint wrap, all depths, cement stabilized sand bedding and backfill L.F. 50 $ 118.00 $ 5,900.00 $ 185.00 $ 9,250.00 $ 150.00 $ 7,500.00 $ 170.30 $ 8,515.00 $ 190.00 $ 9,500.00 $ 130.00 $ 6,500.00 Total Supplemental Items: $ 275,453.00 $ 192,450.00 $ 363,798.00 $ 325,752.40 $ 204,660.00 $ 295,835.00 Add Alternate No. 1 Items: Edenvale Street to Cedar Gully (Station 31+15 to 40+49) Paving Items Traffic Control and Regulation, including Flagmen, Signs, Barrels, Barricades, Temporary Striping and Raised Markers, Message Boards, Arrow Boards, Maintaining All Weather Access to Traffic, Temporary Transitions from Proposed Pavement to Existing Pavement, Relocating Existing 125 Mailboxes and Traffic Signs, and Temporary Mailboxes L.S. 1 $ 18,000.00 $ 18,000.00 $ 14,000.00 $ 14,000.00 $ 40,000.00 $ 40,000.00 $ 53,090.90 $ 53,090.90 $ 10,000.00 $ 10,000.00 $ 40,000.00 $ 40,000.00 Remove and dispose of existing reinforced concrete pavement and base material, regardless of 126 thickness encountered, including curb, sawcutting and paving headers S.Y. 7,100 $ 2.40 $ 17,040.00 $ 4.25 $ 30,175.00 $ 6.00 $ 42,600.00 $ 2.70 $ 19,170.00 $ 2.00 $ 14,200.00 $ 3.00 $ 21,300.00 6" thick reinforced concrete pavement, including reinforcement, joints, excavation, embankment 127 grading, and curing S.Y. 7,100 $ 40.00 $ 284,000.00 $ 45.25 $ 321,275.00 $ 48.20 $ 342,220.00 $ 41.60 $ 295,360.00 $ 41.00 $ 291,100.00 $ 54.00 $ 383,400.00

3 of 6 HDR Job No. 17-019 Blackhawk Boulevard Reconstruction Phase II Package 'A' City of Friendswood, Texas

Low Bidder Main Lane Industries, LTD (MC2 Joslin Construction Texas, LLC Triple B Services, LLP Tandem Services Mar-Con Services, LLC Civil, Inc.) Harper Brothers Construction

ITEM ITEM DESCRIPTION UNIT QUAN. UNIT TOTAL UNIT TOTAL UNIT TOTAL UNIT TOTAL UNIT TOTAL UNIT TOTAL NO. PRICE AMOUNT PRICE AMOUNT PRICE AMOUNT PRICE AMOUNT PRICE AMOUNT PRICE AMOUNT 128 8" lime stabilized subgrade, including grading, mixing, compacting and curing S.Y. 8,200 $ 8.00 $ 65,600.00 $ 2.95 $ 24,190.00 $ 5.00 $ 41,000.00 $ 3.30 $ 27,060.00 $ 4.20 $ 34,440.00 $ 13.00 $ 106,600.00 129 Lime for lime stabilized subgrade (7% minimum by dry weight) TON 225 $ 180.00 $ 40,500.00 $ 175.00 $ 39,375.00 $ 195.00 $ 43,875.00 $ 171.80 $ 38,655.00 $ 155.00 $ 34,875.00 $ 153.00 $ 34,425.00 6" Concrete Driveway, including sawcutting, curb return, stabilized subgrade, reinforcement and 130 joints S.Y. 615 $ 52.00 $ 31,980.00 $ 61.50 $ 37,822.50 $ 56.00 $ 34,440.00 $ 63.10 $ 38,806.50 $ 70.00 $ 43,050.00 $ 70.00 $ 43,050.00 Remove and dispose of existing concrete driveway, regardless of thickness encountered, 131 including sawcutting S.Y. 615 $ 2.90 $ 1,783.50 $ 3.15 $ 1,937.25 $ 7.00 $ 4,305.00 $ 3.80 $ 2,337.00 $ 1.50 $ 922.50 $ 10.00 $ 6,150.00 132 Concrete paving header L.F. 200 $ 11.00 $ 2,200.00 $ 15.00 $ 3,000.00 $ 25.00 $ 5,000.00 $ 9.10 $ 1,820.00 $ 6.00 $ 1,200.00 $ 5.00 $ 1,000.00 4-1/2" thick concrete sidewalk, including sawcutting, subgrade, bank sand bedding, reinforcement 133 and joints S.F. 6,550 $ 6.00 $ 39,300.00 $ 5.75 $ 37,662.50 $ 6.00 $ 39,300.00 $ 4.90 $ 32,095.00 $ 6.00 $ 39,300.00 $ 7.50 $ 49,125.00 Remove and dispose of existing concrete sidewalk, regardless of thickness encountered, 134 including sawcutting S.Y. 580 $ 2.10 $ 1,218.00 $ 3.50 $ 2,030.00 $ 7.00 $ 4,060.00 $ 3.90 $ 2,262.00 $ 1.00 $ 580.00 $ 4.00 $ 2,320.00 Remove and Replace Wheelchair Ramp, including sawcutting, reinforcement and joints, and 135 truncated domes S.F. 220 $ 20.00 $ 4,400.00 $ 15.00 $ 3,300.00 $ 15.00 $ 3,300.00 $ 46.80 $ 10,296.00 $ 60.00 $ 13,200.00 $ 40.00 $ 8,800.00

136 Standard 6" Curb, including sawcutting, reinforcement and jointscomplete in place the sum of: L.F. 3,650 $ 3.00 $ 10,950.00 $ 3.00 $ 10,950.00 $ 4.50 $ 16,425.00 $ 2.70 $ 9,855.00 $ 4.00 $ 14,600.00 $ 3.00 $ 10,950.00 137 Concrete rip rap for esplanade nose S.Y. 20 $ 47.00 $ 940.00 $ 65.00 $ 1,300.00 $ 60.00 $ 1,200.00 $ 50.50 $ 1,010.00 $ 230.00 $ 4,600.00 $ 300.00 $ 6,000.00 Total Paving Items: $ 517,911.50 $ 527,017.25 $ 617,725.00 $ 531,817.40 $ 502,067.50 $ 713,120.00 Drainage Items Remove and dispose of existing storm sewer and culverts, all depths, all sizes, all material types, 138 including excavation and backfill and site restoration L.F. 500 $ 27.00 $ 13,500.00 $ 16.85 $ 8,425.00 $ 18.00 $ 9,000.00 $ 13.20 $ 6,600.00 $ 18.00 $ 9,000.00 $ 18.00 $ 9,000.00 Storm Sewer Brick Plugs, Less Than or Equal to 24" Diameter, 2 Rows, including Mortar and 139 Grout EA. 3 $ 415.00 $ 1,245.00 $ 714.25 $ 2,142.75 $ 540.00 $ 1,620.00 $ 422.70 $ 1,268.10 $ 600.00 $ 1,800.00 $ 1,000.00 $ 3,000.00 140 Replace yard drain piping through curb, including PVC pipe and fittings, all depths EA. 4 $ 420.00 $ 1,680.00 $ 500.00 $ 2,000.00 $ 540.00 $ 2,160.00 $ 533.10 $ 2,132.40 $ 500.00 $ 2,000.00 $ 1,000.00 $ 4,000.00 Remove and dispose of existing storm sewer manhole or junction box, including excavation and 141 backfill, salvaging ring and cover and site restoration EA. 5 $ 1,000.00 $ 5,000.00 $ 700.00 $ 3,500.00 $ 1,020.00 $ 5,100.00 $ 389.90 $ 1,949.50 $ 500.00 $ 2,500.00 $ 250.00 $ 1,250.00 Remove and dispose of existing inlets, including excavation and backfill, salvaging frame and 142 grate and site restoration EA. 11 $ 450.00 $ 4,950.00 $ 685.00 $ 7,535.00 $ 660.00 $ 7,260.00 $ 389.90 $ 4,288.90 $ 450.00 $ 4,950.00 $ 250.00 $ 2,750.00 48" Diameter Reinforced Concrete Pipe, ASTM C76, Class III storm sewer, rubber gasket joints, 143 all depths, cement stabilized sand bedding and backfill L.F. 110 $ 240.00 $ 26,400.00 $ 295.00 $ 32,450.00 $ 198.00 $ 21,780.00 $ 2,555.60 $ 281,116.00 $ 380.00 $ 41,800.00 $ 300.00 $ 33,000.00 42" Diameter Reinforced Concrete Pipe, ASTM C76, Class III storm sewer, rubber gasket joints, 144 all depths, cement stabilized sand bedding and backfill L.F. 356 $ 205.00 $ 72,980.00 $ 246.00 $ 87,576.00 $ 126.00 $ 44,856.00 $ 173.30 $ 61,694.80 $ 300.00 $ 106,800.00 $ 235.00 $ 83,660.00 36" Diameter Reinforced Concrete Pipe, ASTM C76, Class III storm sewer, rubber gasket joints, 145 all depths, cement stabilized sand bedding and backfill L.F. 228 $ 160.00 $ 36,480.00 $ 195.00 $ 44,460.00 $ 96.00 $ 21,888.00 $ 175.20 $ 39,945.60 $ 250.00 $ 57,000.00 $ 195.00 $ 44,460.00 30" Diameter Reinforced Concrete Pipe, ASTM C76, Class III storm sewer, rubber gasket joints, 146 all depths, cement stabilized sand bedding and backfill L.F. 241 $ 105.00 $ 25,305.00 $ 120.00 $ 28,920.00 $ 86.00 $ 20,726.00 $ 142.30 $ 34,294.30 $ 180.00 $ 43,380.00 $ 170.00 $ 40,970.00 24" Diameter Reinforced Concrete Pipe, ASTM C76, Class III storm sewer, rubber gasket joints, 147 all depths, cement stabilized sand bedding and backfill L.F. 717 $ 73.00 $ 52,341.00 $ 100.00 $ 71,700.00 $ 73.20 $ 52,484.40 $ 87.30 $ 62,594.10 $ 155.00 $ 111,135.00 $ 120.00 $ 86,040.00 Precast 6' x 6' Storm Sewer Box Junction Box, all depths, including ring and cover or frame and 148 grate, cement stabilized sand bedding and backfill EA. 1 $ 5,000.00 $ 5,000.00 $ 15,000.00 $ 15,000.00 $ 4,560.00 $ 4,560.00 $ 7,469.60 $ 7,469.60 $ 6,000.00 $ 6,000.00 $ 6,500.00 $ 6,500.00 Precast 5' x 5' Storm Sewer Box Junction Box, all depths, including ring and cover or frame and 149 grate, cement stabilized sand bedding and backfill EA. 14 $ 3,400.00 $ 47,600.00 $ 5,900.00 $ 82,600.00 $ 3,540.00 $ 49,560.00 $ 4,345.90 $ 60,842.60 $ 4,400.00 $ 61,600.00 $ 6,300.00 $ 88,200.00 Precast 4' x 4' Storm Sewer Box Junction Box, all depths, including ring and cover or frame and 150 grate, cement stabilized sand bedding and backfill EA. 1 $ 2,300.00 $ 2,300.00 $ 3,700.00 $ 3,700.00 $ 3,000.00 $ 3,000.00 $ 3,617.00 $ 3,617.00 $ 3,300.00 $ 3,300.00 $ 4,000.00 $ 4,000.00 Type 'B-B' Storm Sewer Inlet, all depths, including frame and grate, cement stabilized sand 151 bedding and backfill EA. 11 $ 1,800.00 $ 19,800.00 $ 3,500.00 $ 38,500.00 $ 3,840.00 $ 42,240.00 $ 3,177.60 $ 34,953.60 $ 3,500.00 $ 38,500.00 $ 4,000.00 $ 44,000.00 Type 'C-1' Storm Sewer Inlet, all depths, including ring and cover, cement stabilized sand 152 bedding and backfill EA. 2 $ 2,500.00 $ 5,000.00 $ 4,000.00 $ 8,000.00 $ 3,300.00 $ 6,600.00 $ 2,865.80 $ 5,731.60 $ 4,000.00 $ 8,000.00 $ 4,500.00 $ 9,000.00 Trench safety for all storm sewers greater than 5' deep, including installation, operation and 153 removal L.F. 1,652 $ 2.00 $ 3,304.00 $ 2.00 $ 3,304.00 $ 3.60 $ 5,947.20 $ 2.00 $ 3,304.00 $ 2.00 $ 3,304.00 $ 2.00 $ 3,304.00 Low Profile Inlet Protector (at Existing & Proposed Stage II Inlets), including maintenance and 154 removal EA. 24 $ 115.00 $ 2,760.00 $ 75.00 $ 1,800.00 $ 250.00 $ 6,000.00 $ 60.50 $ 1,452.00 $ 150.00 $ 3,600.00 $ 125.00 $ 3,000.00 Total Drainage Items: $ 325,645.00 $ 441,612.75 $ 304,781.60 $ 613,254.10 $ 504,669.00 $ 466,134.00 Utility Items 12-inch PVC (AWWA C-900, DR 18) Class 150, Water Line by Augered Construction, all depths, 155 including Auger and Service Connection Pits, fittings and restraints L.F. 150 $ 85.00 $ 12,750.00 $ 125.00 $ 18,750.00 $ 64.80 $ 9,720.00 $ 67.00 $ 10,050.00 $ 90.00 $ 13,500.00 $ 86.00 $ 12,900.00 8-inch PVC (AWWA C-900, DR 18) Class 150, Water Line by Augered Construction, all depths, 156 including Auger and Service Connection Pits, fittings and restraints L.F. 350 $ 75.00 $ 26,250.00 $ 81.00 $ 28,350.00 $ 50.40 $ 17,640.00 $ 63.90 $ 22,365.00 $ 75.00 $ 26,250.00 $ 71.00 $ 24,850.00 6-inch PVC (AWWA C-900, DR 18) Class 150, Water Line by Augered Construction, all depths, 157 including Auger and Service Connection Pits, fittings and restraints L.F. 60 $ 115.00 $ 6,900.00 $ 120.00 $ 7,200.00 $ 37.20 $ 2,232.00 $ 90.10 $ 5,406.00 $ 174.00 $ 10,440.00 $ 155.00 $ 9,300.00 12-inch Gate Valve & Box, AWWA C509, mechanical joint, resilient wedge, NRS open counter 158 clockwise with valve boxes EA. 1 $ 2,400.00 $ 2,400.00 $ 2,700.00 $ 2,700.00 $ 2,340.00 $ 2,340.00 $ 2,523.50 $ 2,523.50 $ 2,500.00 $ 2,500.00 $ 3,000.00 $ 3,000.00 8-inch Gate Valve & Box, AWWA C509, mechanical joint, resilient wedge, NRS open counter 159 clockwise with valve boxes EA. 2 $ 1,400.00 $ 2,800.00 $ 1,650.00 $ 3,300.00 $ 1,440.00 $ 2,880.00 $ 1,486.80 $ 2,973.60 $ 1,500.00 $ 3,000.00 $ 1,750.00 $ 3,500.00 160 12-inch Wet Connection, including coupling and appurtenances as necessary EA. 2 $ 825.00 $ 1,650.00 $ 920.00 $ 1,840.00 $ 1,140.00 $ 2,280.00 $ 1,074.00 $ 2,148.00 $ 2,000.00 $ 4,000.00 $ 5,000.00 $ 10,000.00 161 8-inch Wet Connection, including coupling and appurtenances as necessary EA. 1 $ 600.00 $ 600.00 $ 700.00 $ 700.00 $ 900.00 $ 900.00 $ 616.20 $ 616.20 $ 2,000.00 $ 2,000.00 $ 5,000.00 $ 5,000.00 162 6-inch Wet Connection, including coupling and appurtenances as necessary EA. 4 $ 500.00 $ 2,000.00 $ 625.00 $ 2,500.00 $ 780.00 $ 3,120.00 $ 762.60 $ 3,050.40 $ 2,000.00 $ 8,000.00 $ 2,500.00 $ 10,000.00 163 Cut and plug existing 12-inch water line to be abandoned EA. 4 $ 550.00 $ 2,200.00 $ 600.00 $ 2,400.00 $ 780.00 $ 3,120.00 $ 956.70 $ 3,826.80 $ 700.00 $ 2,800.00 $ 1,000.00 $ 4,000.00 164 Cut and plug existing 8-inch water line to be abandoned EA. 1 $ 420.00 $ 420.00 $ 525.00 $ 525.00 $ 780.00 $ 780.00 $ 717.10 $ 717.10 $ 400.00 $ 400.00 $ 1,000.00 $ 1,000.00 165 Cut and plug existing 6-inch water line to be abandoned EA. 3 $ 360.00 $ 1,080.00 $ 475.00 $ 1,425.00 $ 780.00 $ 2,340.00 $ 730.90 $ 2,192.70 $ 550.00 $ 1,650.00 $ 1,000.00 $ 3,000.00 166 12" X 8" Tapping Sleeve and Valve (TS&V) EA. 3 $ 3,800.00 $ 11,400.00 $ 12,000.00 $ 36,000.00 $ 7,800.00 $ 23,400.00 $ 5,230.30 $ 15,690.90 $ 3,000.00 $ 9,000.00 $ 9,000.00 $ 27,000.00 167 Short Side Water Line Service Reconnections (1 inch) EA. 1 $ 740.00 $ 740.00 $ 525.00 $ 525.00 $ 1,320.00 $ 1,320.00 $ 748.70 $ 748.70 $ 1,200.00 $ 1,200.00 $ 1,000.00 $ 1,000.00 168 Long Side Water Line Service Reconnections (1 inch) EA. 3 $ 2,500.00 $ 7,500.00 $ 1,000.00 $ 3,000.00 $ 1,980.00 $ 5,940.00 $ 812.90 $ 2,438.70 $ 2,000.00 $ 6,000.00 $ 1,000.00 $ 3,000.00 169 Fire hydrant assembly, AWWA C502, mechanical joint inlet, including 6" gate valve and box EA. 1 $ 4,000.00 $ 4,000.00 $ 4,950.00 $ 4,950.00 $ 6,480.00 $ 6,480.00 $ 3,728.10 $ 3,728.10 $ 5,000.00 $ 5,000.00 $ 6,200.00 $ 6,200.00 170 Fire hydrant lead L.F. 8 $ 30.00 $ 240.00 $ 14.10 $ 112.80 $ 42.00 $ 336.00 $ 45.40 $ 363.20 $ 100.00 $ 800.00 $ 40.00 $ 320.00

4 of 6 HDR Job No. 17-019 Blackhawk Boulevard Reconstruction Phase II Package 'A' City of Friendswood, Texas

Low Bidder Main Lane Industries, LTD (MC2 Joslin Construction Texas, LLC Triple B Services, LLP Tandem Services Mar-Con Services, LLC Civil, Inc.) Harper Brothers Construction

ITEM ITEM DESCRIPTION UNIT QUAN. UNIT TOTAL UNIT TOTAL UNIT TOTAL UNIT TOTAL UNIT TOTAL UNIT TOTAL NO. PRICE AMOUNT PRICE AMOUNT PRICE AMOUNT PRICE AMOUNT PRICE AMOUNT PRICE AMOUNT 171 Abandon Existing Water Valve EA. 8 $ 230.00 $ 1,840.00 $ 355.00 $ 2,840.00 $ 660.00 $ 5,280.00 $ 84.00 $ 672.00 $ 125.00 $ 1,000.00 $ 500.00 $ 4,000.00 172 Adjust Existing Water Valve EA. 1 $ 135.00 $ 135.00 $ 190.00 $ 190.00 $ 420.00 $ 420.00 $ 327.70 $ 327.70 $ 320.00 $ 320.00 $ 500.00 $ 500.00 Trench safety for all water line and sanitary sewer greater than 5' deep, including installation, 173 operation and removal L.F. 500 $ 2.00 $ 1,000.00 $ 2.00 $ 1,000.00 $ 2.40 $ 1,200.00 $ 2.00 $ 1,000.00 $ 2.00 $ 1,000.00 $ 2.00 $ 1,000.00 174 8" PVC Sanitary Sewer PVC Pipe Removal and Replacement L.F. 20 $ 50.00 $ 1,000.00 $ 110.00 $ 2,200.00 $ 138.00 $ 2,760.00 $ 107.40 $ 2,148.00 $ 140.00 $ 2,800.00 $ 275.00 $ 5,500.00 Adjust Existing Sanitary Manhole Rim and Cover to New Grade, including rack over if required, 175 excavation, backfill, and site restoration EA. 2 $ 950.00 $ 1,900.00 $ 550.00 $ 1,100.00 $ 660.00 $ 1,320.00 $ 412.40 $ 824.80 $ 400.00 $ 800.00 $ 500.00 $ 1,000.00 Total Utility Items: $ 88,805.00 $ 121,607.80 $ 95,808.00 $ 83,811.40 $ 102,460.00 $ 136,070.00 Striping and Signage Items 176 Thermoplastic pavement markings, 4" white, including surface preparation and priming L.F. 650 $ 0.70 $ 455.00 $ 0.70 $ 455.00 $ 0.65 $ 422.50 $ 0.60 $ 390.00 $ 1.00 $ 650.00 $ 0.55 $ 357.50 177 Thermoplastic pavement markings, 8" white, including surface preparation and priming L.F. 90 $ 1.50 $ 135.00 $ 1.60 $ 144.00 $ 1.25 $ 112.50 $ 1.40 $ 126.00 $ 1.20 $ 108.00 $ 1.25 $ 112.50 178 Thermoplastic pavement markings, 12" white, including surface preparation and priming L.F. 720 $ 3.40 $ 2,448.00 $ 2.85 $ 2,052.00 $ 3.00 $ 2,160.00 $ 2.50 $ 1,800.00 $ 2.00 $ 1,440.00 $ 2.25 $ 1,620.00 179 Thermoplastic pavement markings, 24" white, including surface preparation and priming L.F. 150 $ 5.50 $ 825.00 $ 5.95 $ 892.50 $ 6.00 $ 900.00 $ 5.30 $ 795.00 $ 4.50 $ 675.00 $ 4.68 $ 702.00 Thermoplastic pavement marking, yellow paint along esplanade curb, including surface 180 preparation and priming L.F. 600 $ 0.90 $ 540.00 $ 1.10 $ 660.00 $ 1.25 $ 750.00 $ 1.00 $ 600.00 $ 1.00 $ 600.00 $ 0.88 $ 528.00 Thermoplastic pavement marking, yellow paint on esplanade nose area, including surface 181 preparation and priming, complete in pace the sum of: S.Y. 20 $ 2.80 $ 56.00 $ 2.85 $ 57.00 $ 11.50 $ 230.00 $ 2.50 $ 50.00 $ 2.00 $ 40.00 $ 2.25 $ 45.00 182 Thermoplastic pavement markings, ONLY, including surface preparation and priming EA. 1 $ 170.00 $ 170.00 $ 150.00 $ 150.00 $ 119.00 $ 119.00 $ 135.60 $ 135.60 $ 130.00 $ 130.00 $ 120.00 $ 120.00 183 Thermoplastic pavement markings, arrow, including surface preparation and priming EA. 1 $ 140.00 $ 140.00 $ 145.00 $ 145.00 $ 119.00 $ 119.00 $ 130.00 $ 130.00 $ 120.00 $ 120.00 $ 115.00 $ 115.00 184 Raised reflective pavement markers, Type II-C-R EA. 70 $ 4.10 $ 287.00 $ 4.75 $ 332.50 $ 5.65 $ 395.50 $ 4.20 $ 294.00 $ 4.00 $ 280.00 $ 3.75 $ 262.50 185 Raised reflective pavement markers, Type II-B-B EA. 1 $ 5.20 $ 5.20 $ 10.00 $ 10.00 $ 5.00 $ 5.00 $ 9.00 $ 9.00 $ 8.00 $ 8.00 $ 8.00 $ 8.00 Furnish and install traffic sign, STOP R1-1, including street sign, WITH NO OUTLET 186 DESIGNATION EA. 1 $ 515.00 $ 515.00 $ 460.00 $ 460.00 $ 330.00 $ 330.00 $ 408.50 $ 408.50 $ 350.00 $ 350.00 $ 361.50 $ 361.50 Furnish and install traffic sign, STOP R1-1, including street sign, WITHOUT NO OUTLET 187 DESIGNATION EA. 4 $ 515.00 $ 2,060.00 $ 425.00 $ 1,700.00 $ 330.00 $ 1,320.00 $ 385.30 $ 1,541.20 $ 350.00 $ 1,400.00 $ 341.00 $ 1,364.00 188 Furnish and install traffic sign, STOP R1-1, without street sign EA. 2 $ 310.00 $ 620.00 $ 260.00 $ 520.00 $ 306.00 $ 612.00 $ 231.70 $ 463.40 $ 225.00 $ 450.00 $ 205.00 $ 410.00 189 Furnish and install All Way sign, R1-3P EA. 4 $ 315.00 $ 1,260.00 $ 38.00 $ 152.00 $ 306.00 $ 1,224.00 $ 33.90 $ 135.60 $ 35.00 $ 140.00 $ 30.00 $ 120.00 190 Furnish and install traffic sign, SPEED LIMIT R2-1 EA. 1 $ 275.00 $ 275.00 $ 245.00 $ 245.00 $ 306.00 $ 306.00 $ 220.40 $ 220.40 $ 195.00 $ 195.00 $ 195.00 $ 195.00 Total Striping and Signage Items: $ 9,791.20 $ 7,975.00 $ 9,005.50 $ 7,098.70 $ 6,586.00 $ 6,321.00 Tree Protection Items 191 Clearance Prune Tree, All Sizes EA. 41 $ 85.00 $ 3,485.00 $ 100.00 $ 4,100.00 $ 250.00 $ 10,250.00 $ 96.10 $ 3,940.10 $ 150.00 $ 6,150.00 $ 100.00 $ 4,100.00 192 Install Tree Protection Fence, including Maintenance and Removal L.F. 2,160 $ 1.40 $ 3,024.00 $ 6.35 $ 13,716.00 $ 3.00 $ 6,480.00 $ 2.60 $ 5,616.00 $ 4.50 $ 9,720.00 $ 2.00 $ 4,320.00 193 Install Root Pruning Trench L.F. 990 $ 3.30 $ 3,267.00 $ 8.25 $ 8,167.50 $ 20.00 $ 19,800.00 $ 9.00 $ 8,910.00 $ 8.00 $ 7,920.00 $ 15.00 $ 14,850.00 194 Install Zero Curb Cutback L.F. 130 $ 13.00 $ 1,690.00 $ 11.50 $ 1,495.00 $ 10.00 $ 1,300.00 $ 18.00 $ 2,340.00 $ 2.20 $ 286.00 $ 10.00 $ 1,300.00 Total Tree Protection Items: $ 11,466.00 $ 27,478.50 $ 37,830.00 $ 20,806.10 $ 24,076.00 $ 24,570.00 Total Add Alternate No. 1 Items: $ 953,618.70 $ 1,125,691.30 $ 1,065,150.10 $ 1,256,787.70 $ 1,139,858.50 $ 1,346,215.00 Add Alternate No. 2 - Proposed sidewalk on East Side Cedar Gully to Friendswood Link 4 1/2" Thick Concrete Sidewalk on East Side of Blackhawk Boulevard from Cedar Gully to 195 Friendswood S.F. 10,350 $ 5.10 $ 52,785.00 $ 5.70 $ 58,995.00 $ 6.00 $ 62,100.00 $ 5.00 $ 51,750.00 $ 6.25 $ 64,687.50 $ 7.50 $ 77,625.00 Remove and dispose of existing concrete sidewalk, regardless of thickness encountered, 196 including sawcutting S.Y. 925 $ 3.30 $ 3,052.50 $ 1.00 $ 925.00 $ 7.00 $ 6,475.00 $ 4.40 $ 4,070.00 $ 1.00 $ 925.00 $ 4.00 $ 3,700.00 Total Add Alternate No. 2 Items: $ 55,837.50 $ 59,920.00 $ 68,575.00 $ 55,820.00 $ 65,612.50 $ 81,325.00 Add Alternate No. 3 - Proposed sidewalk on East Side Edenvale Street to Cedar Gully 4 1/2" Thick Concrete Sidewalk on East Side of Blackhawk Boulevard from Edenvale Street to 197 Cedar Gully S.F. 2,250 $ 5.10 $ 11,475.00 $ 5.70 $ 12,825.00 $ 6.00 $ 13,500.00 $ 4.90 $ 11,025.00 $ 6.25 $ 14,062.50 $ 7.50 $ 16,875.00 Remove and dispose of existing concrete sidewalk, regardless of thickness encountered, 198 including sawcutting S.Y. 200 $ 3.50 $ 700.00 $ 1.00 $ 200.00 $ 7.00 $ 1,400.00 $ 7.20 $ 1,440.00 $ 1.00 $ 200.00 $ 4.00 $ 800.00 Total Add Alternate No. 3 Items: $ 12,175.00 $ 13,025.00 $ 14,900.00 $ 12,465.00 $ 14,262.50 $ 17,675.00 Add Alternate No. 4 - Edenvale Street to Friendswood Link Road Additional Thicknes for Concrete Paving Extra 2" Concrete Thickness Added to 6" Concrete Pavement, including reinforcement, joints, 199 excavation and grading for a total of 8" Reinforced Concrete Pavement S.Y. 32,000 $ 10.40 $ 332,800.00 $ 5.75 $ 184,000.00 $ 9.00 $ 288,000.00 $ 8.70 $ 278,400.00 $ 6.50 $ 208,000.00 $ 0.80 $ 25,600.00 Total Add Alternate No. 4 Items: $ 332,800.00 $ 184,000.00 $ 288,000.00 $ 278,400.00 $ 208,000.00 $ 25,600.00

5 of 6 HDR Job No. 17-019 Blackhawk Boulevard Reconstruction Phase II Package 'A' City of Friendswood, Texas

Low Bidder Main Lane Industries, LTD (MC2 Joslin Construction Texas, LLC Triple B Services, LLP Tandem Services Mar-Con Services, LLC Civil, Inc.) Harper Brothers Construction

ITEM ITEM DESCRIPTION UNIT QUAN. UNIT TOTAL UNIT TOTAL UNIT TOTAL UNIT TOTAL UNIT TOTAL UNIT TOTAL NO. PRICE AMOUNT PRICE AMOUNT PRICE AMOUNT PRICE AMOUNT PRICE AMOUNT PRICE AMOUNT

Total Base Bid General Fund Items: $ 3,222,087.70 $ 3,478,699.50 $ 3,596,420.40 $ 3,644,010.30 $ 3,848,374.00 $ 4,113,062.90

Total Base Bid Utility Items: $ 337,168.00 $ 246,666.80 $ 309,000.00 $ 236,131.90 $ 483,880.00 $ 329,700.00

Total Add Alternate No. 1 General Fund Items : $ 864,813.70 $ 1,004,083.50 $ 969,342.10 $ 1,172,976.30 $ 1,037,398.50 $ 1,210,145.00

Total Add Alternate No. 1 Utility Items : $ 88,805.00 $ 121,607.80 $ 95,808.00 $ 83,811.40 $ 102,460.00 $ 136,070.00

Total Add Alternate No. 2 Items: $ 55,837.50 $ 59,920.00 $ 68,575.00 $ 55,820.00 $ 65,612.50 $ 81,325.00

Total Add Alternate No. 3 Items: $ 12,175.00 $ 13,025.00 $ 14,900.00 $ 12,465.00 $ 14,262.50 $ 17,675.00

Total Add Alternate No. 4 Items: $ 332,800.00 $ 184,000.00 $ 288,000.00 $ 278,400.00 $ 208,000.00 $ 25,600.00

Total Recommended Amount (Base Bid General Fund Items + Base Bid Utility Items + Add Alternate Item Nos. 1, 2 and 3) $ 4,580,886.90 $ 4,924,002.60 $ 5,054,045.50 $ 5,205,214.90 $ 5,551,987.50 $ 5,887,977.90

Represents Error Corrected by Engineer

6 of 6