6_ESR_B20-ammended_11_12_18.pdf

Unaccompanied Housing & Alert Facility Work Order Number 61297 Naval Air Station Patuxent River, MD

PART 3 - CHAPTER 6 / ESR B20 - Page 1

6. ENGINEERING SYSTEMS REQUIREMENTS

B20 EXTERIOR ENCLOSURE

SYSTEM DESCRIPTION

This system consists of the exterior shell of the facility, which includes all vertical and horizontal exterior closure such as exterior walls, exterior windows, and exterior doors. This system excludes roofing (See System B30, Roofing). Load bearing exterior walls will be included here, and not in System B10, Superstructure. Structural frame elements at exterior such as columns, beams, and spandrels are included in Superstructure, with only the applied exterior finishes (e.g., paint, stucco) being included here. Finishes to the inside face of walls which are not an integral part of the wall construction will be included in System C30, Interior finishes.

GENERAL SYSTEMS REQUIREMENTS

B2010 EXTERIOR WALLS

B201002 EXTERIOR WALL BACKUP CONSTRUCTION

UH

Provide Exterior Wall Construction System (back-up systems for wall veneer) constructed of reinforced unit masonry or any other building structural system that meets or exceeds ATFP, Structural, IAP, Sustainable and building envelope requirements with brick veneer.

Exterior bearing walls consisting of metal studs as the primary floor or roof supporting structural element are not permitted.