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Nucor Utility Building Construction Specifications |
| Wall Structural |
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22, 20 and 18 gauge, Galvanized G60 coated, 5 ½" & 3 ½" deep stud wall sections, factory assembled
3'’ wide thru 8’ wide x 8'-1" and 9’‐6” and 11'-6" tall wall sections |
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20 gauge and 8” x 0.075 cee material, Galvanized, factory assembled wall headers for roll‐up door openings
18" deep x varying lengths based on opening width |
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18 gauge, Galvanized, 5½" and 3½" deep, 18” long boot channel at each building corner base |
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| Roof Structural |
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22, 20 and 18 gauge, Galvanized G60 coated, 3” deep chord and web members, 4 on 12 roof trusses with 6.5” heels, factory assembled, spaced 2’ and 4' o.c. along building length, truss widths match available building widths |
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20 gauge, Galvanized, 1½" deep hat channels for roof sheeting attachment, spaced 2’ o.c. from ridge downslope to eave
Lengths are 12'‐4"and 6'‐2" and 8'-4" |
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| Bracing and Bridging |
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1” x 1” x 16 gauge, Galvanized angle for bottom chord roof truss bridging, supplied in 12’‐4” lengths for longitudinal runs |
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20 gauge, Galvanized, 1½" deep hat channels for roof truss stability X bridging at end walls and every 20' of building length of 7'‐10" |
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8” or 10” x varying thickness (due to building width), Galvanized, Cee channel spandrel at each end wall and every 20' of building length for roof truss stability and wind bracing |
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| Sheeting and Trim |
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16 gauge Galvanized rake and eave angles around roof line perimeter for roof and wall sheeting attachment |
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26 gauge, 80 ksi, Classic Roof and Wall panel (exterior sheeting) with differentially coated G60/G90 galvanized substrate
for painted coils |
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26 gauge low eave trim and cap trim (LEA01) & (CTA01) |
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26 gauge low profile rake trim and cap trim (RTC01) & (CTA01) |
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26 gauge rake trim end caps (RCC01) & (RCC02) |
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26 gauge framed opening J‐trim (HTD17 for windows) & (HTD06 for roll up and service doors) |
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26 gauge jamb and header cover trim for roll up doors only (L6J__ for jambs) & (L6H__ for headers) |
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26 gauge corner trim (OCA01) |
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26 gauge base trim (BSD01) |
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26 gauge low profile ridge cap and panel cap trim (RGJ01) & (HTD06) |
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26 gauge NBS logo peak plate (NBS01) |
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18 gauge ,white trim wrap for shimming purposes on service doors only (L6W01) & (L6W02) |
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Sheeting WILL NOT be factory cut around framed openings |
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Gutters and downspouts NOT INCLUDED |
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| Mastic, Sealants, Closures |
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Tape mastic, 1/8” x 1‐1/2”, between rake trim/roof panel, between ridge cap/panel cap trim (H3001) |
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Tape mastic, 3/32” x ½”, between roof panel sidelaps (H3010) |
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Tube caulk sealant, polyurethane, between trim laps (H3152) |
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Classic profile outside closure, at roof panel ridge (H3400) |
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Classic profile inside closure, at wall panel base and at roof panel eave (H3410) |
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| Fasteners (Made in the USA) |
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Roof Fasteners
Structural – 12‐14 x 1¼" TCP2 with 5/16” hex head with Bonded Washer (H1041)
Stitch – 12‐14 x ¾" sharp point with 5/16” hex head with Bonded Washer (H1061)
Pop Rivet – 1/8" Blind pop rivet (H1100) |
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Wall Fasteners
Structural – 12‐14 x 1¼” TCP2 with 5/16" hex head without washer (H1040)
Stitch – 12‐14 x 3/4” sharp point with 5/16” hex head without washer (H1060) |
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Structural Fasteners
General purpose – 12‐14 x 7/8” TCP2 with 5/16" head without washer (H1042)
Low profile – 12‐14 x 1" TCP3 with #2 square drive and/or #3 Phillips head (H1220) |
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Concrete anchors
1/2" x 4" with 3/4" hex head (H3920), drill and screw in anchor bolts for attaching to concrete (provided with building).
7/16" masonry bit required for pilot hole in concrete slab (not provided with building) |
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| Miscellaneous Angles & Plates |
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Concrete Angle
2½" x 2½" x 4¾" bent angle, 12 ga with one 9/16" dia hole TCC11) |
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Roof Truss to Wall Section Angle
1½" x 1" x 2" bent angle, 18 ga with (2) 1/4" dia holes(TCC02) |
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Roof Truss to Wall Section Angle
1½" x 1" x 2" bent angle, 18 ga with (2) 1/4" dia holes(TCC02) |
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Roll‐Up Door Tie Plates
3" x 6" flat plate, 20 ga(TCC06) |
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| Colors/Finishes |
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Available colors will include the standard (8) Nucor SP colors and Galvalume (roof only):
Aztec Blue (AB)
Brick Red (BR)
Burnished Slate (BS)
Evergreen (EG)
Fox Gray (FG)
Light Stone (LS)
Polar White (PW)
Sagebrush (SB)
Galvalume (GM) |
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| Insulation |
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Buildings will not be readily suited for insulation but will have recommendations for thermal break if the building is going to be insulated at some point. Thermal break up to ¼” max thickness does not affect the design of the building discovered through lab diaphragm testing. |
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