Los Angeles County Public Works
Project Management Division III
Progress Payment 4
Project Name: Owen Tank Replacement
Contractor: GMZ Engineering, Inc.
5655 Lindero Canyon Road #430
Westlake Village, CA 91362
Project ID: WWD2900041
Federal Number(s): None
Original Contract: $4,427,975.00
Awarded: 12/13/2022
Period Ending: 8/20/2023
Board Accepted: 7/23/2025
Item No.DescriptionBid QtyUnitsTotal Qty.Previous Qty.Current Qty.Unit PriceCurrent Amount
2CONSTRUCTION SCHEDULE (UPDATE) (STIPULATED UNIT PRICE OF $500/MONTH)6.00MTH 4.00 3.001.00$500.00$500.00
4IMPLEMENTATION OF THE LTWHP1.00LS 0.57 0.430.14$35,000.00$4,900.00
5IMPLEMENTATION OF BMPS1.00LS 0.57 0.430.14$35,000.00$4,900.00
6SHORING OF OPEN EXCAVATIONS1.00LS 1.00 0.001.00$35,000.00$35,000.00
8IMPLEMENTATION OF THE SITE-SPECIFIC HEALTH AND SAFETY PLAN 1.00LS 0.57 0.430.14$35,000.00$4,900.00
9PREPARATION OF THE SITE-SPECIFIC LEAD COMPLIANCE PLAN (STIPULATED UNIT PRICE OF $3000)1.00LS 1.00 0.001.00$3,000.00$3,000.00
12OFFICE FACILITIES7.00MTH 4.00 3.001.00$5,000.00$5,000.00
13MOBILIZATION1.00LS 0.95 0.750.20$200,000.00$40,000.00
14CLEARING AND GRUBBING1.00LS 1.00 0.950.05$150,000.00$7,500.00
1512" HIGH DENSITY POLYETHYLENE PIPE215.00LF 200.00 0.00200.00$300.00$60,000.00
1612" WATERMAIN, .25" THICK STL350.00LF 168.00 0.00168.00$500.00$84,000.00
176" WATERMAIN, .25" THICK STL50.00LF 24.00 0.0024.00$300.00$7,200.00
260.5 MG WATER STORAGE TANK AND APPURTENANCES1.00LS 0.89 0.690.20$2,400,000.00$480,000.00
27OVERFLOW PRECAST DROP INLET, 36" X 36"1.00EA 1.00 0.900.10$10,000.00$1,000.00
28CLEANOUT DOOR PRECAST DROP INLET, 48" X 48"1.00EA 1.00 0.900.10$10,000.00$1,000.00
30CONCRETE PAD (SURGE TANKS)17.00CY 4.25 0.254.00$2,000.00$8,000.00
36CONCRETE PAVING (PCC) 4" THICK305.00SF 152.50 30.50122.00$50.00$6,100.00
38ELECTRICAL WORK1.00LS 0.055 0.050.005$550,000.00$2,750.00
39TRAFFIC CONTROL1.00LS 0.75 0.300.45$25,000.00$11,250.00
S-2OVER-EX LS 1.00 0.750.25$8,564.00$2,141.00

DEDUCTION DETAIL

There are NO deductions this period

FINANCIAL SUMMARY

  Total Previous Current
Earned $2,898,114.00 $2,128,973.00 $769,141.00
Retained $144,905.70 $106,448.65 $38,457.05
Deducted $0.00 $0.00 $0.00
Due $2,753,208.30 $2,022,524.35 $730,683.95



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