Los Angeles County Public Works
Project Management Division III
Progress Payment 5
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: 9/20/2023
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 5.00 4.001.00$500.00$500.00
4IMPLEMENTATION OF THE LTWHP1.00LS 0.72 0.570.15$35,000.00$5,250.00
5IMPLEMENTATION OF BMPS1.00LS 0.72 0.570.15$35,000.00$5,250.00
8IMPLEMENTATION OF THE SITE-SPECIFIC HEALTH AND SAFETY PLAN 1.00LS 0.72 0.570.15$35,000.00$5,250.00
12OFFICE FACILITIES7.00MTH 5.00 4.001.00$5,000.00$5,000.00
13MOBILIZATION1.00LS 1.00 0.950.05$200,000.00$10,000.00
1612" WATERMAIN, .25" THICK STL350.00LF 202.00 168.0034.00$500.00$17,000.00
18GATE VALVE, 200 PSI WWP, 12"2.00EA 2.00 0.002.00$15,000.00$30,000.00
260.5 MG WATER STORAGE TANK AND APPURTENANCES1.00LS 0.94 0.890.05$2,400,000.00$120,000.00
311250 GAL BLADDER SURGE TANK CONTROL SYSTEM1.00LS 0.75 0.150.60$100,000.00$60,000.00
323000 GAL BLADDER SURGE TANK CONTROL SYSTEM1.00LS 0.75 0.150.60$100,000.00$60,000.00
39TRAFFIC CONTROL1.00LS 0.95 0.750.20$25,000.00$5,000.00
S-5BLOWER UPGRADE LS 0.65 0.000.65$37,000.00$24,050.00
S-8ADD SLURRY BACKFIL LS 1.00 0.001.00$2,000.00$2,000.00

DEDUCTION DETAIL

There are NO deductions this period

FINANCIAL SUMMARY

  Total Previous Current
Earned $3,247,414.00 $2,898,114.00 $349,300.00
Retained $162,370.70 $144,905.70 $17,465.00
Deducted $0.00 $0.00 $0.00
Due $3,085,043.30 $2,753,208.30 $331,835.00



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