Los Angeles County Public Works
Project Management Division III
Progress Payment 9
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: 1/31/2022
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 9.00 8.001.00$500.00$500.00
4IMPLEMENTATION OF THE LTWHP1.00LS 0.72 0.640.08$2,000.00$160.00
5IMPLEMENTATION OF BMPS1.00LS 0.72 0.640.08$20,000.00$1,600.00
6RESTORATION OF EXISTING IMPROVEMENTS1.00LS 0.64 0.480.16$72,300.00$11,568.00
7SHORING OF OPEN EXCAVATIONS1.00LS 0.72 0.640.08$3,110.00$248.80
9IMPLEMENTATION OF THE SITE-SPECIFIC HEALTH AND SAFETY PLAN 1.00LS 0.72 0.640.08$5,000.00$400.00
12OFFICE FACILITIES13.00MTH 9.00 8.001.00$2,000.00$2,000.00
14CLEARING AND GRUBBING1.00LS 0.95 0.900.05$34,094.00$1,704.70
19UNCLASSIFIED EXCAVATION1,490.00CY 1,215.00 945.00270.00$45.00$12,150.00
20CRUSHED AGGREGATE BASE590.00CY 494.00 296.00198.00$106.00$20,988.00
28PCC DRIVEWAYS, 6" THICK160.00SF 160.00 0.00160.00$10.00$1,600.00
32TRAFFIC CONTROL1.00LS 0.79 0.710.08$90,300.00$7,224.00
35LANDSCAPING1.00LS 0.50 0.400.10$81,355.00$8,135.50
36IRRIGATION SYSTEM1.00LS 0.50 0.000.50$8,100.00$4,050.00
3712" DIAM BLANK STAINLESS STEEL CASING1,469.00VF 1,152.00 1,014.00138.00$357.00$49,266.00
39GRAVEL PACK 24" DIAM HOLE1,595.00VF 1,262.00 1,094.00168.00$161.00$27,048.00
41USE OF CONTRACTOR'S DRILL RIG190.00HR 21.00 20.001.00$170.00$170.00
424" DIAM PVC CONDUCTOR PIPE1,143.00VF 240.00 80.00160.00$17.00$2,720.00
47IMPLEMENTATION OF THE GROUNDWATER MANAGEMENT PLAN1.00LS 0.84 0.760.08$540,931.00$43,274.48
49NOISE CONTROL (ALLOWANCE OF 70,000)70,000.00AL 98,169.00 86,715.0011,454.00$1.00$11,454.00
55DRILL 24" DIAMETER BOREHOLE1,805.00VF 1,572.00 1,167.00405.00$316.00$127,980.00
56DRILL 30" DIAMETER BOREHOLE1,029.00VF 824.00 646.00178.00$320.00$56,960.00
62GROUT 30" DIAMETER BOREHOLE1,006.00VF 1,006.00 982.0024.00$129.00$3,096.00
65SAND FILTER PACK FOR 30" DIAMETER BOREHOLE22.00VF 18.00 16.002.00$111.00$222.00
67PRECAST INJECTION WELL VAULT11.00EA 7.00 6.001.00$36,000.00$36,000.00
68INJECTION WELL HEAD ASSEMBLY11.00EA 7.00 5.002.00$16,350.00$32,700.00
70WELL BOTTOM CAP (BULL NOSE)11.00EA 9.00 8.001.00$904.00$904.00
7112" DIAMETER STAINLESS STEEL SCREEN CASING1,495.00VF 1,095.00 945.00150.00$184.00$27,600.00
743" DIAMETER TREMIE PIPE SCHEDULE 80 PVC2,846.00VF 2,028.00 1,782.00246.00$9.00$2,214.00
751" DIAMETER SCHEDULE 80 PVC TUBE2,075.00VF 210.00 0.00210.00$4.00$840.00
764-INCH DIAMETER STAINLESS STEEL PIPE142.00LF 111.00 65.0046.00$360.00$16,560.00
776-INCH DIAMETER STAINLESS STEEL PIPE341.00LF 266.00 190.0076.00$446.00$33,896.00
78PRIMARY WELL DEVELOPMENT WITH SWABBING AND AIRLIFTING550.00HR 215.00 180.0035.00$542.00$18,970.00
79SECONDARY WELL DEVELOPMENT WITH HIGH VELOCITY WATER JETTING AND PUMPING800.00HR 21.00 17.004.00$542.00$2,168.00
81FIELD INSTRUMENTS1.00LS 1.00 0.820.18$241,320.00$43,437.60
89PLAYGROUND CHIP MATERIAL102.00CY 72.00 18.0054.00$430.00$23,220.00
S-6INTERPRETIVE KIOSK REVISIONS LS 1.00 0.001.00$7,873.00$7,873.00
S-7RELOCATE IRRIGATION LINE LS 1.00 0.001.00$5,300.00$5,300.00
S-8CONTRACT TIME EXTENSION WDS 13.00 0.0013.00$0.00$0.00

DEDUCTION DETAIL

DescriptionUnitTotal Qty.Previous Qty.Current Qty.Unit PriceCurrent Amount
OVERTIME INSPECTIONHOUR 97.00 92.504.50$100.00 $450.00

FINANCIAL SUMMARY

  Total Previous Current
Earned $7,665,483.52 $7,019,281.44 $646,202.08
Retained* $383,274.18 $350,964.07 $32,310.11
Deducted $9,700.00 $9,250.00 $450.00
Due $7,272,509.34 $6,659,067.37 $613,441.97



*This project has an escrow account.

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