SOW 1690208_Amendment 1 Replace Roof Curbs.pdf

1690208 NAS Oceana Building 150 - Replace Roof Curbs Amendment 1

CONTRACT DRAWINGS

The following drawings are revised as of 8.18.22. These revised drawings accompany this amendment.

NAVFAC DWG NO.

12863279 SECOND FLOOR – DEMO & NEW WORK, Revised 8.18.22

12863280 MECHANICAL GENERAL NOTES, LEGEND & ABBR, Revised 8.18.22

12863281 MECHANICAL ROOF PLAN – DEMOLITION, Revised 8.18.22

12863282 MECHANICAL ROOF PLAN – NEW WORK, Revised 8.18.22

SPECIFICATIONS

Revision to Spec Section 28 31 60 INTERIOR FIRE ALARM SYSTEM, NON-ADDRESSABLE

Addition to 1.3.1 (a):

This work also includes duct smoke detector replacement and provides new duct smoke detector test switch within each AHU. Existing duct smoke detector enclosure, sampling tube and sheet metal panel are to remain as is.

Addition to 1.4:

b. Replace photoelectric duct smoke detector inside existing duct detector enclosure. Keep existing duct sampling tube. New photoelectric duct smoke detector must be compatible with existing Simplex fire alarm panel.

Addition to 2.5.1:

e. Testing of duct smoke detectors must comply with the requirements of NFPA 72.

f. Operation of photoelectric duct smoke detector must shut down the corresponding air handler.