Los Angeles County Public Works
Project Management Division III
Progress Payment 1
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: 5/20/2023
Board Accepted: 7/23/2025
Item No.DescriptionBid QtyUnitsTotal Qty.Previous Qty.Current Qty.Unit PriceCurrent Amount
1CONSTRUCTION SCHEDULE (BASELINE) (STIPULATED UNIT PRICE OF $2,500)1.00LS 1.00 0.001.00$2,500.00$2,500.00
2CONSTRUCTION SCHEDULE (UPDATE) (STIPULATED UNIT PRICE OF $500/MONTH)6.00MTH 1.00 0.001.00$500.00$500.00
4IMPLEMENTATION OF THE LTWHP1.00LS 0.14 0.000.14$35,000.00$4,900.00
5IMPLEMENTATION OF BMPS1.00LS 0.14 0.000.14$35,000.00$4,900.00
7PREPARATION OF THE SITE-SPECIFIC HEALTH AND SAFETY PLAN (STIPULATED UNIT PRICE OF $3000)1.00LS 1.00 0.001.00$3,000.00$3,000.00
8IMPLEMENTATION OF THE SITE-SPECIFIC HEALTH AND SAFETY PLAN 1.00LS 0.14 0.000.14$35,000.00$4,900.00
12OFFICE FACILITIES7.00MTH 1.00 0.001.00$5,000.00$5,000.00
13MOBILIZATION1.00LS 0.50 0.000.50$200,000.00$100,000.00
14CLEARING AND GRUBBING1.00LS 0.14 0.000.14$150,000.00$21,000.00
260.5 MG WATER STORAGE TANK AND APPURTENANCES1.00LS 0.096 0.000.096$2,400,000.00$230,400.00
311250 GAL BLADDER SURGE TANK CONTROL SYSTEM1.00LS 0.15 0.000.15$100,000.00$15,000.00
323000 GAL BLADDER SURGE TANK CONTROL SYSTEM1.00LS 0.15 0.000.15$100,000.00$15,000.00
36CONCRETE PAVING (PCC) 4" THICK305.00SF 30.50 0.0030.50$50.00$1,525.00
37TREE PROTECTION1.00LS 1.00 0.001.00$5,000.00$5,000.00
38ELECTRICAL WORK1.00LS 0.05 0.000.05$550,000.00$27,500.00
39TRAFFIC CONTROL1.00LS 0.10 0.000.10$25,000.00$2,500.00
40CONST & REMOVE TEMP CHAIN LINK FENCE275.00LF 137.50 0.00137.50$50.00$6,875.00
S-1TIME EXTENSION WD 31.00 0.0031.00$0.00$0.00

DEDUCTION DETAIL

There are NO deductions this period

FINANCIAL SUMMARY

  Total Previous Current
Earned $450,500.00 $0.00 $450,500.00
Retained $22,525.00 $0.00 $22,525.00
Deducted $0.00 $0.00 $0.00
Due $427,975.00 $0.00 $427,975.00



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