# Plano Independent School District Ionwave #CSP 2027-01-02 Addendum 1

Brinker Elementary School HVAC System Replacements and Related Work

**Posted:** October 30, 2026
**Respond By:** December 01, 2026
**Identifier:** CSP 2027-01-02 Addendum 1
**NAICS:** 238220

Plano Independent School District is seeking proposals to upgrade HVAC systems and complete related work at Brinker Elementary School in Plano, Texas.
- **Buyer:** Plano Independent School District (Plano ISD), Purchasing Department.
- **Scope:** Replace the campus HVAC controls system and existing air-cooled chillers; replace three rooftop units (RTUs); install visitor signage; and perform associated mechanical, electrical, and controls work.
- **Alternate:** Replace one existing make-up air unit and perform associated work.
- **Allowance and budget:** Estimated project budget is $1,600,000, with an $80,000 contingency and a $50,000 allowance for valves, actuators, and strainers.
- **OEMs and vendors:** No manufacturers, OEMs, or equipment vendors are identified; no part numbers are provided.
- **Notable requirement:** Deliver complete, operational systems.

### Description

Plano Independent School District requests competitive sealed proposals for the Brinker Elementary School Systems & Compliance Project. The base bid includes replacing the campus HVAC controls system, existing air-cooled chillers, and three rooftop units; installing visitor signage; and completing associated mechanical, electrical, and controls work. Alternate No. 1 covers replacement of the existing make-up air unit and associated work. The estimated budget is $1,600,000, with an $80,000 contingency and a $50,000 allowance for replacement of valves, actuators, and strainers.

[View original listing](https://pisd.ionwave.net/PublicDetail.aspx?bidID=2876&SourceType=1)