Los Angeles County Public Works
Project Management Division III
Progress Payment 10
Project Name: Alamitos Barrier Project Unit 15 Replacement Wells
Contractor: Environmental Construction, Inc.
21550 Oxnard Street, Suite 1060
Woodland Hills, CA 91367
Project ID: FCC0001353
Federal Number(s): None
Original Contract: $7,170,765.00
Awarded: 1/10/2022
Period Ending: 3/31/2023
Board Accepted: 12/21/2023
Item No.DescriptionBid QtyUnitsTotal Qty.Previous Qty.Current Qty.Unit PriceCurrent Amount
4IMPLEMENTATION OF THE LTWHP1.00LS 1.00 0.990.01$4,000.00$40.00
5IMPLEMENTATION OF BMPS1.00LS 1.00 0.990.01$15,000.00$150.00
6SHORING OF OPEN EXCAVATIONS1.00LS 0.50 0.000.50$1,314.00$657.00
8MOBILIZATION1.00LS 1.00 0.950.05$930,780.00$46,539.00
13NOISE CONTROL (ALLOWANCE OF $70,000)70,000.00AL 140,000.00 134,220.005,780.00$1.00$5,780.00
16IMPLEMENTATION OF THE GROUNDWATER MANAGEMENT PLAN1.00LS 0.65 0.400.25$545,936.00$136,484.00
28PRIMARY WELL DEVELOPMENT WITH SWABBING AND AIRLIFTING275.00HR 79.00 47.5031.50$222.00$6,993.00
29SECONDARY WELL DEVELOPMENT WITH HIGH VELOCITY WATER JETTING AND PUMPING400.00HR 15.50 10.505.00$222.00$1,110.00
31ELECTRICAL WORK1.00LS 0.05 0.000.05$181,019.00$9,050.95
34GEOPHYSICAL BOREHOLE LOG7.00EA 6.00 5.001.00$11,988.00$11,988.00
35CALIPER LOG7.00EA 7.00 5.002.00$9,435.00$18,870.00
36VIDEO SURVEY11.00EA 3.00 2.001.00$3,219.00$3,219.00
37DRILL PILOT HOLE2,711.00VF 2,711.00 2,537.00174.00$578.00$100,572.00
38DRILL 14" DIAM HOLE159.00VF 122.00 0.00122.00$368.00$44,896.00
39DRILL 20" DIAM HOLE727.00VF 287.00 0.00287.00$278.00$79,786.00
40DRILL 24" DIAM HOLE365.00VF 365.00 317.0048.00$351.00$16,848.00
41DRILL 30" DIAM HOLE1,335.00VF 1,327.00 1,228.0099.00$284.00$28,116.00
45GRAVEL PACK 24" DIAM HOLE295.00VF 295.00 283.0012.00$148.00$1,776.00
46GRAVEL PACK 30" DIAM HOLE78.00VF 73.00 0.0073.00$208.00$15,184.00
49GROUT 30" DIAM HOLE1,323.00VF 1,358.00 1,099.00259.00$93.00$24,087.00
52SAND FILTER PACK 30" DIAM HOLE12.00VF 10.00 4.006.00$135.00$810.00
53INJECTION WELL HEAD ASSEMBLY5.00EA 2.00 1.001.00$57,328.00$57,328.00
554-INCH DIAMETER STAINLESS STEEL PIPE117.00LF 117.00 56.0061.00$1,219.00$74,359.00
5712" DIAM BLANK STAINLESS STEEL CASING1,455.00VF 1,419.00 1,018.00401.00$401.00$160,801.00
5812" DIAM PERFORATED STAINLESS STEEL CASING305.00VF 305.00 175.00130.00$181.00$23,530.00
634" DIAM PVC CONDUCTOR PIPE50.00VF 40.00 0.0040.00$23.00$920.00
643" DIAMETER TREMIE PIPE SCHEDULE 80 PVC3,300.00VF 3,220.00 1,940.001,280.00$20.00$25,600.00
66WELL BOTTOM CAP (BULL NOSE)5.00EA 5.00 3.002.00$908.00$1,816.00

DEDUCTION DETAIL

DescriptionUnitTotal Qty.Previous Qty.Current Qty.Unit PriceCurrent Amount
LOCAL TARGATED WORKER HIRING PROGRAMSTIP 11,983.43 11,329.10654.33$1.00 $654.33

FINANCIAL SUMMARY

  Total Previous Current
Earned $5,744,907.55 $4,847,597.60 $897,309.95
Retained* $287,245.38 $242,379.88 $44,865.50
Deducted $12,083.43 $11,429.10 $654.33
Due $5,445,578.74 $4,593,788.62 $851,790.12



*This project has an escrow account.

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