Addendum 4
118 KB Posted
- Attached to
- LAMAR REESE ELEM. HVAC AND PLUMBING UPGRADES
- Solicitation number
- 22-FAC-014
- Issued by
- Douglas County, Georgia
About this file
This is Addendum No. 4, dated June 20, 2022, issued by Andrews, Hammock & Powell, Inc. on behalf of the Dougherty County Board of Education in Albany, Georgia, modifying the original specifications for HVAC and plumbing upgrades at Lamar Reese Elementary School. The addendum revises Section 230900 (Instrumentation and Control for HVAC) regarding thermostat and temperature sensor installation requirements and adds monitoring specifications for kitchen coolers/freezers and data room spaces. All bidders must acknowledge receipt of this addendum on the Bid Price Form to avoid disqualification, indicating that this modification was issued after the original May 20, 2022 specifications were released.
The key specification changes include: newly installed thermostats and sensors in new locations must be mounted at 4 feet 6 inches above finished floor unless otherwise noted, while those at existing locations may remain at existing heights; classroom thermostats shall not have locking metal covers, but those in common areas must have locking metal covers unless otherwise specified; kitchen walk-in coolers and freezers require two space temperature sensors each with alarm functions if temperature rises above setpoint for more than five minutes; and data rooms and other areas served by standalone ductless split systems or PTACs must have DDC system temperature monitoring with alarm signals sent to the owner if space temperature exceeds the owner's setpoint. All setpoints, classroom deadband settings, and cover/cage types must be verified with Dougherty County Board of Education Facilities.
Text of this file
Lamar Reese Elementary School May 20, 2022 HVAC & Plumbing Upgrades Dougherty County Board of Education Albany, Georgia
Addendum No. 4- Page 1 of 1
ANDREWS, HAMMOCK & POWELL, INC. 250 CHARTER LANE, SUITE 100, MACON, GA 31210
ADDENDUM NUMBER: FOUR DATED: June 20, 2022
To: All contract bidders of record.
This addendum forms a part of the Contract Documents and modifies the original Specifications and Drawings dated May 20, 2022, as noted below. Acknowledge receipt of this Addendum in the space provided on the Bid Price Form; failure to do so may subject bidder to disqualification.
CHANGES TO SPECIFICATIONS
1. SECTION 230900 INSTRUMENTATION AND CONTROL FOR HVAC
A. On page 230900-4, delete paragraph 2.3.E. in its entirety and replace with the following:
“E. Thermostat and Temperature Sensors: All newly installed thermostats/sensors installed in new locations shall be installed on wall at 4'-6" above finished floor, unless noted otherwise. All new thermostats/sensors installed at existing locations utilizing existing junction boxes and conduit may remain at existing height.
Thermostats/sensors may be provided by either the controls contractor or the equipment manufacturer. Thermostats serving classrooms shall not have locking metal covers/cages. Thermostats installed in commons spaces (corridors, cafeterias, media centers, etc.) shall be installed behind locking metal covers/cages unless noted otherwise and as shown on drawings. Verify cover/cage type(s), all setpoints and classroom setpoint deadband with Dougherty County BOE Facilities.”
B. On page 230900-16, paragraph 3.12.N., add the following paragraphs:
“3. Freezer and Cooler Temperature: Provide two (2) space temperature sensors in kitchen’s walk-in cooler and freezer. Provide alarm if space temperature rises above setpoint for more than five (5) minutes.
4. MDF and IDF Space Temperature Monitoring: DDC system shall monitor space temperature in data rooms and other areas served by standalone (not VRF) ductless split systems & PTACs. DDC system shall send alarm signal to Owner if space temperature rises above Owner’s setpoint.”
END OF ADDENDUM #4
| ANDREWS, HAMMOCK & POWELL, INC. 250 CHARTER LANE, SUITE 100, MACON, GA 31210 |
| ADDENDUM NUMBER: FOUR DATED: June 20, 2022 |
| CHANGES TO SPECIFICATIONS |
| “3. Freezer and Cooler Temperature: Provide two (2) space temperature sensors in kitchen’s walk-in cooler and freezer. Provide alarm if space temperature rises above setpoint for more than five (5) minutes. |
Other files
| File | Type | Posted |
|---|---|---|
| Addendum 3 | — | |
| Award Information | — | |
| Addendum 1 | — | |
| Addendum 2 | — | |
| Bid Invitation | — | |
| DRAWINGS | — |
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