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O Consent Agenda
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Jefferson County
Board of Commissioners
Agenda Request
To: Board of Commissioners
Mark McCauley, County Administrator
From: Monte Reinders, P.E., Public Works Director/County Engineer
Agenda Date: October 2, 2023
Subject: Change Order No. 3, Phase 1 - Site Prep., Earthwork and Service
Utilities for the Port Hadlock Sewer, Project No. 405-2114-0,
Commerce Project No. 22-96515-026
Statement of Issue: Change Order No. 3 with Seton Construction of Port Townsend,
Washington.
Analysis/Strategic Goals/Pro's ft Con's: This change order includes the increased
cost to change the clay core material, installation method and design detail. The
originally designed clay core in the wastewater pond embankment will be replaced
with an improved design consisting of a 60 mil HDPE liner and lean concrete backfill.
The intent of this impermeable cut off wall is to ensure reclaimed water will be
directed downwards through the bottom of the infiltration facility.
Fiscal Impact/Cost Benefit Analysis: The amount for Change Order No. 3 is
$99,559.01. The contract amount will increase from $1,450,527.51 to $1,550,086.52.
NOTE, the cost included 9.1% sales tax. The project is funded at 100% by the
Department of Commerce.
Recommendation: Public Works recommends that the Board authorize Change Order
No. 3 with Seton Construction, and return two originals to Public Works for further
processing.
Department Contact: Samantha Harper, P.E., Project Manager, 385-9175.
Revie By:
`
Mark McCa , County Administrator Date
JEFFERSON COUNTY
Sheet 1 of 2 DEPARTMENT OF PUBLIC WORKS Change
Date: 9/21/2023 CHANGE ORDER Order No.
Ordered by County Engineer under terms of
I A Section 1-04.4 of the Standard Specifications
Contract No.
Change proposed by Contractor To:
Seton Construction
Endorsed by: SETON CONSTRUCTION, INC. 4640 S. Discovery Rd.
tractor m name Port Townsend, WA 98368
Signature Date
PRESIDENT 9/22/23
Title
Consent given by Surety:(when required) Project Title Phase 1-Site Prep.,
Earthwork,and Service
By. Utilities for the PH Sewer
Attorney-in fact Date
You are ordered to perform the following described work upon receipt of an approved copy of this change order:
The change was to a install 60 mil HDPE liner with concrete backfilled trench in lieu of original clay core. Estimated
quantities and cost shown on attached sheet.
With the decision to construction this option, Bid Item No. S Clay Core will be deleted from the contract and new bid
items for the installation of the core material will be added to the contract.
All work materials and measurement to be in accordance with the provisions of the standard specifications and
special provisions for the type of construction involved.
ORIGINAL CURRENT ESTIMATED ESTIMATED
CONTRACT CONTRACT NET CHANGE CONTRACT TOTAL
AMOUNT(incl.9.1%sales tax) AMOUNT(incl.9.1%sales tax) THIS ORDER(incl.9.1%sales tax) AFTER CHANGE(incl.9.1%sales tax
$ 1,243,245.78 $ 1,450,527.51 $99,559.01 $ 1,550,086.52
ORIGINAL CURRENT CONTRACTTIME NEW CONTRACT
CONTRACTTIME CONTRACTTIME CHANGE(Add/Del) TIME
100 112 0 0
APP VAL RECOMM DED APPR MMEND
Project Mano er Q Date County Engineer Date 00
A ROVAL ECOM ENDED APPROVED
a
Z
EngineerinVerviLl4s Manager �.�► Date Choir Jefferson County Commissioners Dote
JEFFERSON COUNTY __ _Contract N 405_-2114-0
Sheet 2 of 2 DEPARTMENT OF PUBLIC WORKS
_ Change
Date: 9 21 2023 CHANGE ORDER ESTIMATE Order No. 3
ESTIMATED ESTIMATED
ITEM DESCRIPTION UNIT UNIT QUANTITY AMOUNT
NO. MEASURE PRICE CHANGE CHANGE
NEW ITEMS _
70 Purchase Liner SY _ $10.41 2,654 $27,626.98
71 Install Liner SY $4.96 875 $4,340.00
72 Purchased Concrete CY $153.67 528 $81,137.76
73 Placed Concrete _ CY $13.11 528 $6,922.08
74 Trench Excavation CY $19.75 528 $10,428.00
New Item Total $130,454.82
EXISTING ITEMS DELETED QUANTITIES
5 Clay Core CY $49 800 ($39,200.00)
Existing Items Deleted Quantities
Total ($39,200.00)
EXISTING ITEMS ADDED QUANTITIES
$0.00
Existing Items Added Quantities $0.00
ESTIMATED NET CHANGE SUBTOTAL: $91,254.82
9.1%Sales Tax $8,304.19
ESTIMATED NET CHANGE TOTAL: $99,559.01
Port Hadlock Concrete Core Pricing COP No. 3 - Revised
9/8/2023 Revised 9/15/2023 SAH 9/15/2023
Option 2-60 Mil HDPE Liner&18 Inch Conc Filled Trench
Item Unit I Quantity $/Unit Total$
Purchase Liner SY 2654 $10.41 $27,626.98
Install Liner SY 875 $4.96 $4,340.00
Purchase Conc CY 528 $153.67 $81,137.76
Place Conc CY 528 $13.11 $6,922.08
Trench Excavation CY 528 $19.75 $10,428.00
Total $130,454.82