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Design and Specification Guidelines - Gaston County Schools

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<strong>Design</strong> <strong>and</strong> <strong>Specification</strong> <strong>Guidelines</strong> <strong>Gaston</strong> <strong>County</strong> <strong>Schools</strong><br />

Updated: March 6, 2012 <strong>Gaston</strong>ia, NC 28054<br />

DIVISION 7: MOISTURE AND THERMAL PROTECTION<br />

I. Roof<br />

A. Acceptable Types<br />

1. St<strong>and</strong>ard 4 Ply built-up<br />

2. Modified Bitumen with Cap Sheet<br />

3. Single-ply PVC for steep-sloped applications with décor ribs to simulate<br />

st<strong>and</strong>ing seam metal roofing<br />

B. No gravel Ballast to secure roof membrane<br />

C. 20 year No Dollar Limit (NDL) manufacturer warranty<br />

D. Two (2) year installer warranty<br />

E. Consultant activities (GCS retained – get name from owner)<br />

1. Plan <strong>and</strong> specification review (allow two (2) weeks)<br />

2. Review <strong>and</strong> approval of contractor submittals<br />

3. Pre-Roofing conference with contractor<br />

4. Installation monitoring<br />

5. Post installation inspection <strong>and</strong> approval<br />

F. Avoid Internal Roof Drains<br />

G. Add hose bib on roof if possible; consider insulated box design provided by GCS<br />

H. Interior roof access by ladder <strong>and</strong> roof hatch<br />

I. All roof levels accessible by roof ladders<br />

J. Please coordinate roof design with GCS Roofing Manager & Roof Engineering, Inc.<br />

K. Consider vibration isolation dampers for roof mounted equipment<br />

L. Roof insulation shall be designed <strong>and</strong> constructed in accordance with ASHRAE<br />

“Advanced Energy <strong>Design</strong> Guide for K-12 School Buildings” – latest edition.<br />

II. Walls<br />

A. Wall insulation shall be designed <strong>and</strong> constructed in accordance with ASHRAE<br />

“Advanced Energy <strong>Design</strong> Guide for K-12 School Buildings” – latest edition.<br />

DIVISION 8: DOORS <strong>and</strong> WINDOWS<br />

A. Doors, locks <strong>and</strong> hardware<br />

1. Door closers – DC6200 Series by Corbin Russwin Preferred<br />

2. Exit devices – ED5200 Series by Corbin Russwin Preferred<br />

3. Locks <strong>and</strong> locksets – ML2000 Series by Corbin Russwin (No Substitutes)*<br />

4. Exterior doors<br />

a) Minimum 14 gauge with 22 gauge vertical steel stiffeners spaced 6<br />

inches on center max. <strong>and</strong> 1 lb density insulation<br />

b) Minimum 14 gauge frames<br />

c) With Panic Hardware: Grade 3, steel doors, extra heavy duty, minimum<br />

14 gauge with continuous barrel hinges.<br />

d) Without Panic Hardware: Grade 3, steel doors, extra heavy duty,<br />

minimum 14 gauge with heavy-weight ball bearing hinges.<br />

5. Interior flush wood doors – solid core, grade premium, construction 5 plies, no<br />

veneer preference; St<strong>and</strong>ard weight ball bearing hinges<br />

a) Core: St<strong>and</strong>ard Composite Lumber SCL - 5<br />

*=Preferred Br<strong>and</strong>; Bid Alternate Required Page 11 of 38 Pages

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