Los Angeles County Public Works
Project Management Division III
Progress Payment 12
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: 5/31/2023
Board Accepted: 12/21/2023
Item No.DescriptionBid QtyUnitsTotal Qty.Previous Qty.Current Qty.Unit PriceCurrent Amount
2CONSTRUCTION SCHEDULE (UPDATE) (STIPULATED UNIT PRICE OF $500/MONTH)8.00MTH 12.00 11.001.00$500.00$500.00
6SHORING OF OPEN EXCAVATIONS1.00LS 1.00 0.500.50$1,314.00$657.00
7OFFICE FACILITIES9.00MTH 12.00 11.001.00$1,500.00$1,500.00
11CALTRANS ENCROACHMENT PERMIT INSPECTION FEE (ALLOWANCE OF $5,000)5,000.00AL 4,952.00 4,762.00190.00$1.00$190.00
16IMPLEMENTATION OF THE GROUNDWATER MANAGEMENT PLAN1.00LS 1.00 0.850.15$545,936.00$81,890.40
21STRUCTURE CONCRETE26.00CY 26.00 15.0011.00$800.00$8,800.00
22BAR REINFORCING STEEL3,130.00LB 3,130.00 1,878.001,252.00$1.00$1,252.00
26REMOVE SIGN POST3.00EA 3.00 0.003.00$300.00$900.00
28PRIMARY WELL DEVELOPMENT WITH SWABBING AND AIRLIFTING275.00HR 152.00 128.5023.50$222.00$5,217.00
29SECONDARY WELL DEVELOPMENT WITH HIGH VELOCITY WATER JETTING AND PUMPING400.00HR 25.00 19.006.00$222.00$1,332.00
31ELECTRICAL WORK1.00LS 0.51 0.230.28$181,019.00$50,685.32
32FIELD INSTRUMENTS1.00LS 1.00 0.580.42$97,290.00$40,861.80
34GEOPHYSICAL BOREHOLE LOG7.00EA 7.00 6.001.00$11,988.00$11,988.00
36VIDEO SURVEY11.00EA 11.00 3.008.00$3,219.00$25,752.00
53INJECTION WELL HEAD ASSEMBLY5.00EA 5.00 2.003.00$57,328.00$171,984.00
643" DIAMETER TREMIE PIPE SCHEDULE 80 PVC3,300.00VF 3,300.00 3,220.0080.00$20.00$1,600.00
682.5' X 4' PRECAST OBSERVATION WELL VAULT2.00EA 2.00 0.002.00$20,000.00$40,000.00
69PRE-ENGINEERED INJECTION WELL ENCLOSURE5.00EA 5.00 3.002.00$85,860.00$171,720.00
70REMOVE EXISTING WELL ENCLOSURE2.00EA 2.00 0.002.00$4,420.00$8,840.00

DEDUCTION DETAIL

DescriptionUnitTotal Qty.Previous Qty.Current Qty.Unit PriceCurrent Amount
LOCAL TARGATED WORKER HIRING PROGRAMSTIP 13,319.63 12,723.56596.07$1.00 $596.07

FINANCIAL SUMMARY

  Total Previous Current
Earned $6,891,186.69 $6,265,517.17 $625,669.52
Retained* $344,559.33 $313,275.86 $31,283.47
Deducted $13,419.63 $12,823.56 $596.07
Due $6,533,207.73 $5,939,417.75 $593,789.98



*This project has an escrow account.

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