5114 Elton St. Baldwin Park, CA. 91706 License No. 1012408 Invoice Number:
Attn: Heecheol Kwon
23SW04-07
Invoice 6/24/2024
GRBCON Date:
Project: Sewer Main
and Misc. Storm Billing
INCORPORATED Period: 4/25/24-5/31/2024
Drain Improvement
Project 2023 (#23-04) CITY OF HAWTHORNE - 4455 W. 126th Street Bill To: Hawthorne, CA 90250
Current
Unit oj Est. Contract Previous Unit Quantity Previously No. Item Description Measur Quantity Unit Price Amount Billed Due Billled This Billing Total Constructed 1 Point Repairs of 8" ES VCP Sewer Main LF 45 $1,069.00 $48,105.00 62.00 28.00 $66,278.00 $29,932.00 $96,210.00 Remove Exsiting 8" or 10" VCP and Install 12" VCP
2 Main LF 2,900 $509.00$1,476,100.00 3830.00 17.00 $1,949,470.00 $8,653.00 $1,958,123.00 3 Remove Ex Manhole and Reconsuet 48' up to 15) EA 13 $17,650.00 $229,450.00 14.00 4.00 $247,100.00 $70,600.00 $317,700.00 4 Install Steel Casing per Detail 1, Sheet 7 LS 1 $25,000.00 $25,000.00 100.00% 0.00% $25,000.00 $0.00 $25,000.00 5 Install 15" Storm Drain RCP LF 20 $368.00 $7,360.00 0.00 0.00 $0.00 $0.00 50000 6 Install 18" Storm Drain RCP LF 360 $344.00 $123,840.00 385.00 0.00 $132,440.00 $0.00 $132,440.00 7 Construct Storm Drain Manhole per SPPWC Std 321-2 EA 2 $12,800.00 $25,600.00 2.00 0.00 $25,600.00 $0.00 $25,600.00 8 Construct Storm Drain catch basin per SPPWC Std 304-4 EA 2 $11,299.00 $22,598.00 2.00 0.00 $22,598.00 $0.00 $22,598.00 9 Install (3)-8" HDPE Pipe SD w/PCC encasement 45 $488.00 $21,960.00 45.00 0.00 $21,960.00 $0.00 $21,960.00 Traffic Control per Part 6 in the spec: Includes Traffic 10 Contrations and A CORN emersomen peril and fes LS 1 $151,312.00$151,312.00 90.00% 10.00% $136,180.80 $15,131.20 $151,312.00 I Traffic Signal Detector Bicycle Loop (TYPE D) EA 2 $1,177.00 $2,354.00 0.00 0.00 $0.00 $0.00 $0.00 12 Traffic Signal Detector Loop (TYPE E) EA 2 $1,177.00 $2,354.00 0.00 0.00 $0.00 $0.00 $0.00 13 8'x4' Project Construction Sign EA 2 $1,885.00 $3,770.00 2.00 0.00 $3,770.00 $0.00 $3,770.00 cavation, potential unsuitable material for pi
subgrade onl CY 500 $83.00 $41,500.00 721.00 0.00 $59,843.00 $0.00 $59,843.00 CCO1-1 4 WIDTH PCC PAVEMENT RESTORATION SF 976 $66.25 $64,660.00 976.00 0.00 $64,660.00 $0.00 $64,660.00 C01-2 MH frame and cover replacement EA 1 $1,750.00 $1,750.00 1.00 0.00 $1,750.00 $0.00 $1,750.00 $2,181,303.00 $2,756,649.80 $124,316.20 $2,880,966.00
Office: 626.699.2380 Fax: 626.699.2457
DiT
5114 Elton St. Baldwin Park, CA. 91706 License No. 1012408 Total Due $124,316.20
Payment Terms: Net-30.
Please Remit Payment to GRBCON, Inc. (5114 Elton St., Baldwin Retention Witheld (5%) $6,215.81 Park, CA. 91706) as soon as possible.
TOTAL DUE (Work Completed Less 5%
$118,100.39
Retention)
Office: 626.699.2380 Fax: 626.699.2457
9-Jul-24
Honorable Mayor and City Council Council Date
City of Hawthorne
Hawthorne, CA 90250
RE: PROGRESS PAYMENT NO. 7 FOR SEWER MAIN AND MISCELLANEOUS STORM DRAIN IMPROVEMENT PROJECT 2023 The following is a detailed breakdown of Progress Payment No.7 due to GRBCON Inc., 5114 Elton St. Baldwin Park, CA 91706 for work done on the subject project through May, 2024
Contract Unit Contract Qty or % Oty or % Amount Total Qty Total Amount Unit Price This Estimate
Description Quantity Amount Previous This estimate or % to Date to Date Point Repairs of 8" Extra Strength CP Sewer Main: LF $1,069.00 $ 48,105.00 62.00 28.00 $ 29,932.00 90.00 $ 96,210.00 2 Remove existing 8 ten VC Sever Mand insal 12 Extra 2,900 EA $509.00 $ 1,476,100.00 3830.00 17.00 8,653.00 3,847.00 1,958,123.00 Remove ex. manhol andrep pet Piano sel 20 manhole (48 8. up LF $17,650.00 $ 229,450.00 14.00 4.00 $ 70,600.00 18.00 $ 317,700.00 4 Install Steel Casing per detail 1, sheet 7 1 LF $25,000.00 $ 25,000.00 1.00 0.00 $ 1.00 $ 25,000.00 Install 15" storm drain RCP $368.00 $ 7,360.00 0.00 0.00 $ 0.00 Install 18" storm drain RCP 360 LF $344.00 $ 123,840.00 385.00 0.00 - 385.00 $ 132,440.00 Construct storm drain manhole per SPPWC Std. 321-2 2 EA $12,800.00 $ 25,600.00 2.00 0.00 $ 2.00 $ 25,600.00 8 Construct storm drain catch basin per SPPWC Std. 304-4 2 EA $11,299.00 $ 22,598.00 2.00 0.00 $ 2.00 $ 22,598.00 Install 3-8" HDPE pipe storm drain w/ PCC encasement 45 LF $488.00 $ 21,960.00 45.00 0.00 $ 45.00 21,960.00 Traffic Control per Part 6 in the specification: Includes Traffic control 10 ans, Traffic Control Measures, and Striping restorations a LS $151,312.00 $ 151,312.00 0.90 0.10 $ 15,131.20 1.00 $ 151,312.00 W encroachment permit and f
11 Traffic Signal Detectors Bicycle Loop (Type "D") 2 EA $1,177.00 $ 2,354.00 0.00 0.00 $ - 0.00 12 Traffic Signal Detectors Loop (Type "E") 2 EA $1,177.00 2,354.00 0.00 0.00 $ 0.00 $ 13 8'x4' Project construction sign 2 EA $1,885.00 $ 3,770.00 2.00 0.00 $ - 2.00 $ 3,770.00 14 Excavation (Potential unsuitable material for pipe subgrade only) 500 CY $83.00 $ 41,500.00 721.00 0.00 $ - 721.00 $ 59,843.00 4' Width PCC pavement 976 SF $66.25 $ 64,660.00 976.00 0.00 $ 976.00 $ 64,660.00 CCO1-
MH frame and cover replacment 1 EA $1,750.00 $ 1,750.00 1.00 0.00 $ 1.00 $ 1,750.00 Total Contract Price $ 2,247,713.00
TOTAL $ 124,316.20 $ 2,880,966.00
LESS RETENTION $ 6,215.81 $ 144,048.30
LESS PREVIOUSLY PAID $2.618,817.31
TOTAL AMOUNT DUE $ 118,100.39 $ 118,100.39
TOTAL AMOUNT DUE THIS 7th PROGRESS PAYMENT:
Account#
180-1150-137-0-0-40514 $ 118,100.39
The 7th and Final Acceptance payment is hereby submitted for your review and approval.
The five percent (5%) retention amount of $144,048.30 will be paid from the account 180-1150-137-0-0-40514, thirty-five (35) days following the Final Acceptance of the Contract.
Vesus Velazquez
Jesus Velazquez
KiEngineeringWPDOCS/PROJECTSISPEC5123-04 Sover Vegrovement ProjectPayments/PP/P#7 23-04) Project Engineer Pagot