ESBD_383356_1733247932076_IW198807 Amdmt.pdf

This is Amendment No. 1 to Bid IW198807 issued by the Texas Department of Criminal Justice (TDCJ) Contracts and Procurement Department. The amendment provides the scope of work for rental HVAC equipment for a five-month period from December 22, 2024 through May 10, 2025. The project requires the rental of an HVAC unit capable of providing 12,000 CFM at 5" TSP Outside Air, with minimum cooling capacity of 480,000 BTU/hr (40 tons) and maximum of 798,000 BTU/hr (66.5 tons). The equipment must maintain a fully occupied dorm at 78°F and 50% RH with outside conditions of 100°F and 75°F wb. The scope includes all ducting, cabling, electrical distribution, connections, delivery, start-up, commissioning, and disconnect/pick-up at rental end. Bid responses are due by December 19, 2024.

The technical specifications require 460V/3PH/60HZ power supply, dual compressors with three stages, NEMA 4 control panel, and comprehensive safety features including pressure switches, fan cycling controls, and various monitoring systems. The unit must feature a Pro-Face HMI interface with integral PLC for system control, temperature adjustment, and status monitoring. Additional requirements include a Bebco style NFPA 496 type Z purge system, stainless steel drain pan, and specific circuit protection features. The amendment must be acknowledged by bidders either on the face of their bid or by returning a signed copy of the notice.