Los Angeles County Public Works
Project Management Division III
Progress Payment 10
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: 2/28/2022
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 10.00 9.001.00$500.00$500.00
4IMPLEMENTATION OF THE LTWHP1.00LS 0.80 0.720.08$2,000.00$160.00
5IMPLEMENTATION OF BMPS1.00LS 0.80 0.720.08$20,000.00$1,600.00
6RESTORATION OF EXISTING IMPROVEMENTS1.00LS 0.72 0.640.08$72,300.00$5,784.00
7SHORING OF OPEN EXCAVATIONS1.00LS 0.80 0.720.08$3,110.00$248.80
9IMPLEMENTATION OF THE SITE-SPECIFIC HEALTH AND SAFETY PLAN 1.00LS 0.80 0.720.08$5,000.00$400.00
12OFFICE FACILITIES13.00MTH 10.00 9.001.00$2,000.00$2,000.00
14CLEARING AND GRUBBING1.00LS 1.00 0.950.05$34,094.00$1,704.70
19UNCLASSIFIED EXCAVATION1,490.00CY 1,490.00 1,215.00275.00$45.00$12,375.00
20CRUSHED AGGREGATE BASE590.00CY 590.00 494.0096.00$106.00$10,176.00
32TRAFFIC CONTROL1.00LS 0.87 0.790.08$90,300.00$7,224.00
35LANDSCAPING1.00LS 0.75 0.500.25$81,355.00$20,338.75
36IRRIGATION SYSTEM1.00LS 0.75 0.500.25$8,100.00$2,025.00
3712" DIAM BLANK STAINLESS STEEL CASING1,469.00VF 1,410.00 1,152.00258.00$357.00$92,106.00
39GRAVEL PACK 24" DIAM HOLE1,595.00VF 1,595.00 1,262.00333.00$161.00$53,613.00
41USE OF CONTRACTOR'S DRILL RIG190.00HR 23.00 21.002.00$170.00$340.00
424" DIAM PVC CONDUCTOR PIPE1,143.00VF 480.00 240.00240.00$17.00$4,080.00
47IMPLEMENTATION OF THE GROUNDWATER MANAGEMENT PLAN1.00LS 0.92 0.840.08$540,931.00$43,274.48
49NOISE CONTROL (ALLOWANCE OF 70,000)70,000.00AL 109,623.00 98,169.0011,454.00$1.00$11,454.00
52ABANDON VAULT3.00EA 2.00 0.002.00$1,500.00$3,000.00
55DRILL 24" DIAMETER BOREHOLE1,805.00VF 1,797.00 1,572.00225.00$316.00$71,100.00
56DRILL 30" DIAMETER BOREHOLE1,029.00VF 918.00 824.0094.00$320.00$30,080.00
5818" DIAMETER PROTECTIVE STEEL CASING35.00VF 35.00 0.0035.00$161.00$5,635.00
61GROUT 24" DIAMETER BOREHOLE35.00VF 28.00 0.0028.00$75.00$2,100.00
65SAND FILTER PACK FOR 30" DIAMETER BOREHOLE22.00VF 22.00 18.004.00$111.00$444.00
67PRECAST INJECTION WELL VAULT11.00EA 8.00 7.001.00$36,000.00$36,000.00
68INJECTION WELL HEAD ASSEMBLY11.00EA 8.00 7.001.00$16,350.00$16,350.00
70WELL BOTTOM CAP (BULL NOSE)11.00EA 11.00 9.002.00$904.00$1,808.00
7112" DIAMETER STAINLESS STEEL SCREEN CASING1,495.00VF 1,465.00 1,095.00370.00$184.00$68,080.00
743" DIAMETER TREMIE PIPE SCHEDULE 80 PVC2,846.00VF 2,506.00 2,028.00478.00$9.00$4,302.00
751" DIAMETER SCHEDULE 80 PVC TUBE2,075.00VF 440.00 210.00230.00$4.00$920.00
764-INCH DIAMETER STAINLESS STEEL PIPE142.00LF 124.00 111.0013.00$360.00$4,680.00
776-INCH DIAMETER STAINLESS STEEL PIPE341.00LF 297.00 266.0031.00$446.00$13,826.00
78PRIMARY WELL DEVELOPMENT WITH SWABBING AND AIRLIFTING550.00HR 271.00 215.0056.00$542.00$30,352.00
79SECONDARY WELL DEVELOPMENT WITH HIGH VELOCITY WATER JETTING AND PUMPING800.00HR 25.00 21.004.00$542.00$2,168.00
80ELECTRICAL WORK1.00LS 0.76 0.560.20$751,723.00$150,344.60
86REMOVE/ABANDON PIPELINE (12" THROUGH 24")5.00LF 3.00 2.001.00$700.00$700.00
87PCC EDGING1,474.00LF 1,318.00 874.00444.00$54.00$23,976.00
88PERMEABLE PAVERS10,650.00SF 8,102.00 5,577.002,525.00$15.00$37,875.00
90REMOVABLE, LOCKABLE BOLLARDS21.00EA 15.00 9.006.00$1,500.00$9,000.00
92INTERPRETIVE KIOSK1.00EA 1.00 0.001.00$20,000.00$20,000.00

DEDUCTION DETAIL

DescriptionUnitTotal Qty.Previous Qty.Current Qty.Unit PriceCurrent Amount
OVERTIME INSPECTIONHOUR 100.00 97.003.00$100.00 $300.00

FINANCIAL SUMMARY

  Total Previous Current
Earned $8,467,627.85 $7,665,483.52 $802,144.33
Retained* $423,381.39 $383,274.18 $40,107.21
Deducted $10,000.00 $9,700.00 $300.00
Due $8,034,246.46 $7,272,509.34 $761,737.12



*This project has an escrow account.

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