A00001_Page 108 from NCSU - SOW Boiler-Chiller - FINAL.pdf.docx
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- Attached to
- Boiler and Chiller Replacement at Lame Deer, MT
- Solicitation number
- 75H701-20-R-00060
About this file
This document contains a request for proposal for boiler and chiller replacement services. The Indian Health Service is seeking proposals to replace the boiler and chiller at the Northern Cheyenne Health Center in Lame Deer, Montana under solicitation number 75H701-20-R-00060. The project has a magnitude between $500,000 to $1 million and has been set aside exclusively for small businesses in NAICS code 238220 for plumbing, heating, and air conditioning contractors. Proposals are due by 2:00 PM MST on November 12, 2020. All questions must be submitted in writing to the contract specialist Rita Langager by noon on October 29, 2020. A non-mandatory site visit will also be held. The selected contractor will replace the boiler and chiller at the specified health center location for the Department of Health and Human Services' Indian Health Service.
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Text version
IHS NCSU BOILER-CHILLER REPLACEMENT
PART 2 - PRODUCTS
2.1 DDC SYSTEM MANUFACTURERS
A. Manufacturers: Subject to compliance with requirements, provide products by one of the following:
1. Alerton Inc.
2. Automated Logic Corporation.
3. Johnson Controls, Inc.
2.2 DDC SYSTEM DESCRIPTION
A. Microprocessor-based monitoring and control including analog/digital conversion and program logic. A control loop or subsystem in which digital and analog information is received and processed by a microprocessor, and digital control signals are generated based on control algorithms and transmitted to field devices to achieve a set of predefined conditions.
1. DDC system shall consist of a high-speed, peer-to-peer network of distributed DDC controllers, operator interfaces, and software.
B. Electrical Components, Devices, and Accessories: Listed and labeled as defined in NFPA 70, by a qualified testing agency, and marked for intended location and application.
2.3 WEB ACCESS
A. DDC system shall be web based or web compatible.
1. Web-Based Access to DDC System:
a. DDC system software shall be based on server thin-client architecture, designed around open standards of web technology. DDC system server shall be accessed using a web browser over DDC system network, using Owner's LAN, and remotely over Internet through Owner's LAN.
b. Intent of thin-client architecture is to provide operators complete access to DDC system via a web browser. No special software other than a web browser shall be required to access graphics, point displays, and trends; to configure trends, points, and controllers; and to edit programming.
c. Web access shall be password protected.
2. Web-Compatible Access to DDC System:
a. Workstation and server shall perform overall system supervision and configuration, graphical user interface, management report generation, and alarm annunciation.
DIRECT DIGITAL CONTROL (DDC) SYSTEM FOR HVAC 230923 - 16
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