Los Angeles County Public Works
Project Management Division III
Progress Payment 6
Project Name: West Coast Basin Barrier Project Unit 13
Contractor: Environmental Construction, Inc.
21550 Oxnard Street, Suite 1060
Woodland Hills, CA 91367
Project ID: FCC0001322
Federal Number(s): None
Original Contract: $10,182,790.00
Awarded: 10/26/2020
Period Ending: 10/31/2021
Board Accepted: 2/13/2023
Item No.DescriptionBid QtyUnitsTotal Qty.Previous Qty.Current Qty.Unit PriceCurrent Amount
2CONSTRUCTION SCHEDULE (UPDATE) (STIPULATED UNIT PRICE OF $500/MONTH)13.00MTH 6.00 5.001.00$500.00$500.00
4IMPLEMENTATION OF THE LTWHP1.00LS 0.48 0.400.08$2,000.00$160.00
5IMPLEMENTATION OF BMPS1.00LS 0.48 0.400.08$20,000.00$1,600.00
6RESTORATION OF EXISTING IMPROVEMENTS1.00LS 0.24 0.080.16$72,300.00$11,568.00
7SHORING OF OPEN EXCAVATIONS1.00LS 0.48 0.400.08$3,110.00$248.80
9IMPLEMENTATION OF THE SITE-SPECIFIC HEALTH AND SAFETY PLAN 1.00LS 0.48 0.400.08$5,000.00$400.00
12OFFICE FACILITIES13.00MTH 6.00 5.001.00$2,000.00$2,000.00
14CLEARING AND GRUBBING1.00LS 0.90 0.850.05$34,094.00$1,704.70
19UNCLASSIFIED EXCAVATION1,490.00CY 675.00 405.00270.00$45.00$12,150.00
20CRUSHED AGGREGATE BASE590.00CY 296.00 197.0099.00$106.00$10,494.00
31REMOVE SIGN POST3.00EA 3.00 2.001.00$110.00$110.00
32TRAFFIC CONTROL1.00LS 0.55 0.470.08$90,300.00$7,224.00
3712" DIAM BLANK STAINLESS STEEL CASING1,469.00VF 896.00 786.00110.00$357.00$39,270.00
39GRAVEL PACK 24" DIAM HOLE1,595.00VF 951.00 793.00158.00$161.00$25,438.00
41USE OF CONTRACTOR'S DRILL RIG190.00HR 16.00 15.001.00$170.00$170.00
47IMPLEMENTATION OF THE GROUNDWATER MANAGEMENT PLAN1.00LS 0.60 0.520.08$540,931.00$43,274.48
49NOISE CONTROL (ALLOWANCE OF 70,000)70,000.00AL 69,999.00 58,545.0011,454.00$1.00$11,454.00
52ABANDON VAULT3.00EA 3.00 0.003.00$1,500.00$4,500.00
55DRILL 24" DIAMETER BOREHOLE1,805.00VF 1,017.00 852.00165.00$316.00$52,140.00
56DRILL 30" DIAMETER BOREHOLE1,029.00VF 573.00 508.0065.00$320.00$20,800.00
57DRILL 42" DIAMETER BOREHOLE385.00VF 385.00 245.00140.00$670.00$93,800.00
5936" DIAMETER PROTECTIVE STEEL CASING385.00VF 385.00 245.00140.00$285.00$39,900.00
62GROUT 30" DIAMETER BOREHOLE1,006.00VF 821.00 723.0098.00$129.00$12,642.00
63GROUT 42" DIAMETER BOREHOLE385.00VF 371.00 231.00140.00$200.00$28,000.00
65SAND FILTER PACK FOR 30" DIAMETER BOREHOLE22.00VF 14.00 12.002.00$111.00$222.00
67PRECAST INJECTION WELL VAULT11.00EA 5.00 3.002.00$36,000.00$72,000.00
68INJECTION WELL HEAD ASSEMBLY11.00EA 3.00 2.001.00$16,350.00$16,350.00
70WELL BOTTOM CAP (BULL NOSE)11.00EA 7.00 5.002.00$904.00$1,808.00
7112" DIAMETER STAINLESS STEEL SCREEN CASING1,495.00VF 820.00 680.00140.00$184.00$25,760.00
743" DIAMETER TREMIE PIPE SCHEDULE 80 PVC2,846.00VF 1,576.00 1,386.00190.00$9.00$1,710.00
764-INCH DIAMETER STAINLESS STEEL PIPE142.00LF 39.00 26.0013.00$360.00$4,680.00
776-INCH DIAMETER STAINLESS STEEL PIPE341.00LF 114.00 76.0038.00$446.00$16,948.00
78PRIMARY WELL DEVELOPMENT WITH SWABBING AND AIRLIFTING550.00HR 150.50 111.5039.00$542.00$21,138.00
79SECONDARY WELL DEVELOPMENT WITH HIGH VELOCITY WATER JETTING AND PUMPING800.00HR 10.50 6.004.50$542.00$2,439.00
80ELECTRICAL WORK1.00LS 0.41 0.390.02$751,723.00$15,034.46
86REMOVE/ABANDON PIPELINE (12" THROUGH 24")5.00LF 2.00 0.002.00$700.00$1,400.00
88PERMEABLE PAVERS10,650.00SF 2,740.00 1,155.001,585.00$15.00$23,775.00
S-2INSTALL GREEN SHEETING, REPAIR, AND MAINTENANCE T&M 9,539.00 3,816.005,723.00$1.00$5,723.00
S-4REMOVE INTERFERING THRUST BLOCK LS 1.00 0.001.00$1,300.00$1,300.00
S-5WELL VAULT PCC SLAB MODIFICATION LS 1.00 0.001.00$4,800.00$4,800.00

DEDUCTION DETAIL

DescriptionUnitTotal Qty.Previous Qty.Current Qty.Unit PriceCurrent Amount
OVERTIME INSPECTIONHOUR 89.00 82.007.00$100.00 $700.00

FINANCIAL SUMMARY

  Total Previous Current
Earned $5,584,823.13 $4,950,187.69 $634,635.44
Retained* $279,241.16 $247,509.40 $31,731.76
Deducted $8,900.00 $8,200.00 $700.00
Due $5,296,681.97 $4,694,478.29 $602,203.68



*This project has an escrow account.

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