Amendment #1.PDF

312 KB Posted

Attached to
2025 BAS Upgrades
Solicitation number
PW-2025115-0-2025/JH
Issued by
Waukesha County, Wisconsin

About this file

Written by GovTribe AI ·

This document is an Amendment #1 issued by Waukesha County, Wisconsin for a Building Automation System (BAS) Upgrade project (Bid #DPW 2025115). The amendment modifies key bid details, including rescheduling the pre-bid walkthrough for September 30, 2025, at 9am at the Juvenile Center, setting the final questions deadline for September 29, 2025, and establishing bid closing and opening dates of October 7, 2025. The project involves upgrading four county substations from Niagara Tridium Ax to Niagara Tridium N4, specifically at Nashotah, New Berlin, Sussex, and North Prairie locations.

The substations will have varying controller configurations and network protocols, including BACnet and LON networks with different devices such as mixed air units (MUA), unit heaters (UH), variable air volume boxes (VAVs), furnaces, exhaust fans, infrared heaters, and lighting controllers. Bidders are instructed to use the version 2 bid form when responding to the solicitation. The amendment provides detailed device and communication protocol information for each substation, indicating a comprehensive upgrade of the county's building automation infrastructure.

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Other files

File Type Posted
A105-2017 County Master.PDF PDF
ex. d - Equipment listing - Comm and Juvy.PDF PDF
ex. e - Juvenile Center - control drawings.PDF PDF
ex. g - Substation control drawings.PDF PDF
A701-2018 County Master.PDF PDF
ex. c - v2 - Bid form 8-23-2022.PDF PDF
ex. f - Comm center - control drawings.PDF PDF
ex. c - Bid form 8-23-2022.PDF PDF
ex. a - DPW Project Manual project DPW 2025115.PDF PDF
ex. b - Scope - NAE replacements.PDF PDF
ex. h - Substation equipment listing for substations.PDF PDF
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Paul Farrow County Executive

Date: 09/09/2025 Project: 2025115

Amendment: #1

Allison Bussler Director of Public Works

To: Prospective Bidders

This Amendment forms a part of the Contract Documents and modifies the Bidding Documents for Bid # DPW 2025115 with the clarifications and additions noted below.

1. Date Revisions:

a. The Prebid walkthrough is rescheduled for Tuesday September 30, 2025 at 9am, meeting at the Juvenile Center located at 521 Riverview Ave, Waukesha, WI 53188.

b. Date for final questions shall be Monday September 29th, 2025

c. Bid closing is: October 7, 2025 10:30 am

Bid opening is: October 7, 2025 10:35 am

1. Use ex. c. bid form v2 to respond to the bid.

2. Waukesha County will be adding 4 substations to this bid to be upgraded from Niagara Tridium Ax to Niagara Tridium N4. The control drawings for the substations are ex. g.

and the asset listings are ex h.

Location Controller Name Devices & Comm Protocols

Nashotah Jace 6 (to be replaced with Jace 9000)

• BACnet Network o MUA

• LON Network o FCU o Furnace o 4 VAVs o UH

• NDIO Network o 6 Infrared Heaters o 3 Exhaust Fans

515 W. Moreland Blvd., Rm. 220 Waukesha, Wisconsin 53188

Phone: (262) 548-7740 Fax: (262) 896-8097 www.waukeshacounty.gov

New Berlin Jace 8000 (to remain, but upgraded to Niagara N4)

• BACnet Network o RTU

• LON Network o 6 UHs o 2 Exhaust Fans o Furnace o MUA

Sussex Jace 8000

Niagara N4)

• BACnet Network o MUA o IR Heater

• LON Network o 3 VAVs o 6 IR Heaters o Furnace o 4 UH’s o 4 Exhaust Fans

North Prairie Jace 8000

Niagara N4)

• BACnet Network o MUA o Lighting Controller

• LON Network o 5 UHs o 2 Exhaust Fans o 2 Furnaces http://www.waukeshacounty.gov/

File details come from the government source that posted it. Updated .