Design and Specification Guidelines - Gaston County Schools

Design and Specification Guidelines Gaston County Schools
Updated: March 6, 2012 Gastonia, NC 28054
2. Need to make it easy to check for Exhaust Fan operation Filter Changer
checks three (3) times/year
3. Exhaust fans to be controlled by BAS, excluding server rooms
4. Single restroom exhaust fans controlled by light switch
O. DX Ductless Mini-Split Air Conditioning Units
1. Computer labs and data closets shall be operating on separate DX ductless
mini-split air conditioning system, and shall have sufficient airflow to keep the
room below 85 degrees Fahrenheit. Estimated load is 12,000 BTUH.
P. Chemical Feed
1. Install five (5) gallon chemical feed pot for each hydraulic system
Q. Controls – Facility Controls and BAS
1. Energy Management Bid as Alternate
a) Brands (Controls)
(1) Trane
(2) Alerton (Native BACnet/IP)
(3) Honeywell
(4) Invensys
b) No 3 rd Party Controllers on Roof Top Unit’s, Air Handling Unit’s; No
pump packages; Boiler and Chiller to be provided with BACnet/IP or
LON Communications
c) Features
(1) Must comply with current GCS BAS Standards and include
upgrades to latest AX BAJA Version
(2) Want ability to set limits from control system; monitor & control;
global, zone, and individual; trend, diagnose, and compare energy
usage/ operational times/ “exception scheduling”; archive, backup,
and retrieve data for 3-year periods; control and monitor space
temp, supply temp return air temp, outside air temp, mixed air
temp, energy wheel contribution temp, relative humidity
(OA/ST/SA/RA), enthalpy, carbon dioxide, et al.
(3) Operating Parameters (pending) – contact GCS Energy
Manager
d) Training Included:
(1) Forty (40) hours in four (4) hour blocks
(a) Hours and blocks to be determined by GCS on individual
project basis
(2) Unlimited Attendance
(3) Owner may choose to videotape training.
2. Non-BAS Controls Used
a) Thermostats
(1) Programmable – BACNET or LON programmable features
(2) Battery Back up
(3) Place on return air grill wall
(4) For standalone T’Stats, want physical stops
*=Preferred Brand; Bid Alternate Required Page 25 of 38 Pages