SECTION 05210

STEEL JOISTS

PART 1 GENERAL

SECTION INCLUDES

Open web steel joists [and shear stud connectors], with bridging, attached seats, and anchors.

[Loose bearing plates and anchor bolts for site placement.]

Framed [floor] [roof] openings greater than [18] [___] inches ([450] [___] mm).

PRODUCTS FURNISHED BUT NOT INSTALLED UNDER THIS SECTION

Section [_____-__________]: Anchors for casting into concrete.

Section [_____-__________]: Anchors for embedding into masonry.

RELATED SECTIONS

Section [_____-__________]: Grouting base plates[.] [and bearing plates.]

Section [_____-__________]: Precast concrete anchorage devices for attachment to steel joists.

Section 05120 - Structural Steel.

Section 05311 - Steel Roof Deck: Support framing for small openings in roof deck.

Section 05313 - Steel Floor Deck: Support framing for small openings in floor deck.

Section 05500 - Metal Fabrications: Non-framing steel fabrications.

Section [_____-__________]: Joist chord wood nailers[.] [and blocking.]

Section 06151 - Wood Chord Metal Joists.

Section [_____-__________]: Fireproofing.

Section 09900 - Painting.

REFERENCES

ASTM A108 - Steel Bars, Carbon, Cold-Finished, Standard Quality.

ASTM A153 - Zinc Coating (Hot Dip) on Iron and Steel Hardware.

ASTM A307 - Carbon Steel Threaded Standard Fasteners.

ASTM A325 - High Strength Bolts for Structural Steel Joints.

AWS D1.1 - Structural Welding Code.

FS TT-P-636 - Primer Coating, Alkyd, Wood and Ferrous Metal.

SJI - Standard Specifications for Open Web Steel Joists J and H Series.

SJI - Standard Specifications for Longspan Steel Joists LH and LJ Series and Deep Longspan Steel Joists DLH and DLJ Series.

SSPC - Steel Structures Painting Council.

SUBMITTALS

Submit under provisions of Section [01300.] [01340.]

Shop Drawings:

Indicate standard designations, configuration, sizes, spacing, locations of joists[,][.] [joist leg extensions.]

[Joist coding,] [bridging,] [connections,] [attachments,][.] [and] [_______________.]

[Cambers][.] [and] [____________________.]

Welders' Certificates: Submit manufacturer's certificates under provisions of Section [01400] [01405] that welders employed on the Work have met AWS verification within the previous 12 months.

QUALITY ASSURANCE

Perform Work in accordance with SJI Standard Specifications, Load Tables, and Weight Tables,[.] [including headers and other supplementary framing.]

Maintain [one] [_____] copy of [each] document on site.

QUALIFICATIONS

Fabricator: Company specializing in performing the work of this Section with minimum [_____] years [documented] experience.

Erector: Company specializing in performing the work of this Section with minimum [_____] years [documented] experience.

Design connections not detailed on the Drawings under direct supervision of a Professional Structural Engineer experienced in design of this work and licensed [at the place where the Project is located.] [in the State of [_______________].]

DELIVERY, STORAGE, AND HANDLING

Deliver products to site under provisions of Section [01600] [01610] and to SJI requirements.

Store and protect products under provisions of Section [01600] [01620] and to SJI requirements.

Protect joists from distortion or damage.

FIELD MEASUREMENTS

Verify that field measurements are as [shown on [Drawings] [shop drawings].] [instructed by the fabricator.]

PART 2 PRODUCTS

FABRICATORS

[______________________________] Product [_____________.]

[______________________________] Product [_____________.]

[______________________________] Product [_____________.]

Substitutions: Under provisions of Section [01600.] [01630.]

MATERIALS

Open Web Joists Members: SJI Type [[H] [J] open web.] [[LH] [LJ] longspan.] [[DLH] [DLJ] deep longspan.]

Anchor Bolts, Nuts, and Washers: ASTM [A307] [A325][.] [galvanized to ASTM A153.]

Shear Stud Connectors: [ASTM A108, Grade [1015] [_____],] forged steel, headed, uncoated, [_______________].

Primer: [FS TT-P-636.] [_______________.]

Structural Steel For Supplementary Framing and Joist Leg Extensions: ASTM [A36.] [__________.]

Welding Materials: AWS D1.1; type required for materials being welded.

FABRICATION

Provide [bottom] [and] [top] chord extensions as indicated.

[Drill holes in chords necessary for attachment of wood nailers.] [Weld threaded lugs to chords for attachment of wood nailers.]

[Frame special sized openings in joist chord framing as detailed.]

Space shear stud connectors at [_____] inches ([_____] mm) oc.

FINISH

Shop prime joists. Do not prime surfaces that will be [fireproofed.] [field welded.] [in contact with concrete.]

****** [OR] ******

Leave structural steel members unprimed.

SOURCE QUALITY CONTROL

[Testing] [and] [analysis] of components will be performed under provisions of Section [01400.] [01410.]

PART 3 EXECUTION

ERECTORS

[___________________________________.]

[___________________________________.]

[___________________________________.]

EXAMINATION

Verify that field conditions are acceptable and are ready to receive work.

Beginning of installation means erector accepts existing conditions.

ERECTION

Erect and bear joists on supports.

Allow for erection loads. Provide sufficient temporary bracing to maintain framing safe, plumb, and in true alignment until completion of erection and installation of permanent bridging and bracing.

Coordinate placement of anchors in [concrete] [masonry] construction for securing bearing [plates.] [angles.]

After joist alignment and installation of framing, field

weld joist seat to bearing [plates.] [angles.]

Position and field weld joist chord extensions and wall attachments[.] [as detailed.]

Frame [floor] [roof] openings greater than [18] [_____] inches ([450] [_____] mm) with supplementary framing.

Do not permit erection of decking until joists are braced, [bridged,] and secured.

Do not field cut or alter structural members without approval of joist fabricator.

After erection, prime welds, abrasions, and surfaces not shop primed[.][,] [except surfaces to be in contact with concrete.]

ERECTION TOLERANCES

Maximum Variation From Plumb: [1/4] [_____] inch ([6] [_____] mm).

Maximum Offset From True Alignment: [1/4] [_____] inch ([6] [_____] mm).

FIELD QUALITY CONTROL

Field inspection will be performed under provisions of Section [01400.] [01410.]

END OF SECTION