Complete Compiled Specification.pdf - Peck Ormsby Construction

. Edge: Angled tegular.
c. CAC: 35
d. NRC: .55
e. LR: .87
f. Surface Finish: Factory-applied vinyl latex paint.
g. Color: White.
2. Type “B” – USG Aspen No. 650 Panel
a. Size: 24” x 24” x 3/4”
b. Edge: Angled tegular.
c. CAC: 35
d. NR: .55
e. LR: .87
f. Surface Finish: Factory-applied vinyl latex paint.
g. Color: White.
3. Type “C” – USG Curvatura Suspension System
a. Infill Panel: 24” x 24”
b. Tee: 15/16” face
c. Edge Trim: 2-1/4” with attachment clips
d. Insulation: 1” semi-rigid on top of panels
e. Infill Panel Finish: Aluminum perforated
1) Pattern: No. A188
2) Perforations: Round, 3/16”
3) Open Area: 5%.
f. Color: As selected by Architect.
1) Two colors minimum.
C. Metal Suspension System: Provide metal suspension systems of type, structural classification
and finish indicated which comply with applicable ASTM C 635 requirements.
1. Finishes and Colors: Provide manufacturer’s standard finish for type of system
indicated, unless otherwise required. For exposed suspension members and
accessories with painted finish, provide color indicated or, if not otherwise indicated,
as selected by Architect from manufacturer’s full range of standard colors.
2. Attachment Devices: Size for 5 times design load indicated in ASTM C 635, Table 1,
Direct Hung.
3. Hanger Wire: Galvanized carbon steel wire, ASTM A 641, soft temper, prestretched,
Class 1 coating, sized so that stress at 3- times hanger design loan (ASTM C 635,
Table 1, Direct Hung), will be less than yield stress of wire, but provide not less than
12 gage.
4. Edge Moldings and Trim: Metal of types and profiles indicated or, if not indicated,
provide manufacturer’s standard molding for edges and penetrations of ceiling which
fits with type of edge detail and suspension system indicated.
a. Perimeter Molding: 7/8” x 7/8” hemmed angle molding with prefinished edges.
1) Color: Black or as selected by Architect.
b. Provide 4” high fascia molding with attachment clips where ceilings transition
from 8”-8” to 9’-0”.
2) Color: To be selected by Architect.
5. Non-Fire-Rated Single Web Steel Suspension System:
a. Structural Classification: Heavy-Duty System.
b. Equal to Armstrong “Prelude XL” system (15/16” exposed tee).
6. Seismic Joint Clips: Provide Armstrong SJCG seismic joint clips at each joint.
PART 3 - EXECUTION
3.01 PREPARATION
SEGO LILY ELEMENTARY SCHOOL CLASSROOM ADDITION MARCH 2, 2009
ACOUSTICAL CEILINGS 09510 - 3