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NMBS ERECTION NOTES
REFER TO S�A'S TECHNICAL biC,'EST �,. HANOLJNG AND ERECTION OF 5fEEL JOISTS AND
J015T qRDERS. ALSO ADHERE TO CU�tFtENT REQUIREMENTS OF SJI AND OSHA POR
JOIST,AND JOIST GIROER ERECTiON.
JOIST/DECK DELIVERY & UNLDADING
1. VERIFY QUANililES AND CONDI110N OF JOISTS AND ACCESSORIES UPON ARRIVAL.
INFORM NMBS IMMIEDIAIELY OF ANY SHORTAGES, DISCREPANCIES OR DAMAGES.
2. NMBS WILL SUPPLY ONLY THE h1ATERIAL L151ED ON THE BILIS OF MAlERIAL.
3. WNEN UNLOADING JOISTS BY CRANE, ALWAYS HOIST JOISTS BY TOP OR BOTTOM
CHORD PANE� POINTS (NOT BY WEB MEMBERS), AT OR NEAR i/3 POINTS.
4. IF JOISTS ARE NOT ERECTE� IMME�IATELY, STORE JOISTS AND JOIST ACCESSORIES OFF
THE GROUND AND KEEP iHEM COVERED TO PROlECT iHE PRIMER COATING.
5. STACK SiEEL DECK ON PLATFORMS OR PALLETS AND SLOPE TO ALLOW DRAINAGE.
PROiECT DECK WITH A WATERPROOF COVERING AND VENTILATE TO AVOID CONDENSA'iION.
JOIST/DECK INSTALLAl10N
1. IMME�IAiELY AFiER JOIST IS SET, ATTACH JOIST TO SUPPORT(S) AS REQUIRED BY SJI
AND OSHA. AS BRIDGING IS INSTALLED. REMOVE SWEEP IN lHE JOIST AND CORRECT
ANY VERi1CAL MISALIGNMENT. ONCE iHE BRIDGING IS INSTALIED, ATfACH JOISTS TO
SUPPORTS PER FlNAL ERECiION DRAWINGS.
2. REFER TO THE ERECTION SEC110NS FOR JOIST AND JOIST GIRDER END ANCHORAGE
- REQUIREMENTS. PER NMBS, JOISTS, JOIST GIRDERS, AND ACCESSORIES SHALL BE
ATTACHED TO STEEL SUPPORTS WIiH A MINIMUM (PER SJI) OF:
"K" SERIES JOISTS - THE EQUIVALENT OF iW0 1/8" FILLET WELDS (W) t�� �ONG (L),
OR WITH TWO 1/2" 6 BOLTS.
"LH" &°DLH�� SERIES JOISTS &.IOIST GIRDERS - 1HE EQUIVALENT OF lYYO 1/4" FILLET
WELDS (W) 2" LONG (L), OR WITH TWO 3/4" 4 BOLTS.
� � BRIDGIN�. - THE EQUIVALENT OF A 1/8'� FILIET WELD (W) 1" LONG (L), WIiH iHE
EXCEP110N OF BOLTIIJG, FOR °K�� SERIES JOISTS.
THE EQUIVALENT OF A 1/8" FILLET WEID (W) 1" LONG (L), WITH THE EXCEPTION OF
BOLT1NG, FOR �"LH" &'DLH" SERIES JOISTS, SECTION NUMBERS 02 THRU 12.
THE��EQUIVALENT OF A i/S" FILLET WELD (W) 1 1/2° LONG (L), WI'fH THE EXCEPTION
OF BOLTIN6,-FOR °LH" &"�LH" SEh'IES JOISTS, SECTION NUMBERS 13 THRU 79.
BOTTOM.CHORD:BRACES - THE EQUIVALENT OF A 1/8" FILLET WELD (W) 1" LONG (L).
DO NOT WECD BRACE TO JOIST GIRDER UNT1L ALL �EAD LOADS HAVE BEEN APPLIED.
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3.�ALL STEEL BEARING JOISTS IN BAYS OF 40� 0° OR MORE, ARE TO BE BOLTED TO
. .� SUPPORTS PER OSHA';��:UNLESS JOISTS ARE PRE-ASSEMBLED INTO PANELS.
4.��ACCOROING TO SJI, BEARING P.CAIES,SHALL BE:LOCASED NO MORE THAN 1/2".FROM
� �� 1NE FACE OF MASONRY?OR CONCREiE SUPPORTS�AND�•NO LESS THAN 6" WIpE-�_ -
. .PERPENDICULAR TO iHE�LENGiH OF THE JOIST. BEARING PLATES ARE N.I.N.C.
`� � ,� 5. UNBRIDGED JOISTS MAY EXHIBIT SOHE DEGREE OF INSTABILITY UNDER THE ERECTOR'S
f WEIGHT, THEREFORE, EXTREME CAU710N MUST BE EXERCISED. WHEN IT IS NECESSARY
� '�� ,,; ; . FOR THE ERECTOR 70 CLIMB ON. THE JOIST, REFER TO SJI AND OSHA RE�UIREMENTS.
. -
i ���. TED 71'�JSS ,. ' M� . � 6. VERIFY THAT-ALL�BRIDGING IS COMPLETELY INSTALLED, WITH JOIST AND JOIST GIRDER
;�j'j'�j: - .._ j-.�-- � ENDS PERMANENiLY ATTACHED, BEFORE APPGYING CONSTRUC770N LOADS TO JOIST.
SUPPt3RTS-- 3d� E u�s � t2 �, a;G.
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SI�t_APS- CT ADJAi�dT SF�E'6S V�BtI. l�� 1p ��.
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7. ADEOUA'IE.MEANS �FOR��DISIRIBUT7NG CONCENiRA'fED LOADS SHOULD BE PROVIDED
- SO TNAT iHE�CAPACI'fY OF ANY JOIST IS NOT �EXCEEDED.
-. � S..JOIST CHOR05 ARE NOT�DESIGNED--FOR`BENDING DUE TO CONCENIRATED �OADS U.N.O.
_ EITHER PLAGE.LOADS AT�JOIST PANEL:POINSS OR SEE iHE "EXiRA VERTICALS AT
� � CONCENTRATED LOADS" DETAIL. . �
NMB5 GENERAL:NOTES
- �. 1. TYPICAL PRIMER� COAi1NG (U.N.O. ON PLANS): .� �
� � `i�'S7D.°SHOP.�2GOAT GRAY PRIMER:i ..-FOR ALL JOISTS, JOIST GIROERS & JOIST
- �AGCESSORIE5:`:5HOP PRIMER COMPLIES �WITH.SSPC-PAINT 15 AN� FS T7-P 636.
� NOTE: SHOP��PRIMER�IS�APPLIED BY DIPPING.: COAi1NG MAY NOT BE UNIFORM AND�
-'- � ��� -'.�REQUIF2E REMOVAL-OF ACCUMULATIONS BEFORE FINISH COAT IS ABPLIED.
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-_ 2. WELDED��HORIZONTAL BRIDGING ISSUPPUEO'IN.20'r0" I.ENGTHS. FIELD CUT�WELDED �
-"� HORIZONTAL� BRIDGING AS REQUIRED' AND U7ILIZE ALL DROP. "�
NOiE: WELDED BRIDdN6' IS T� BE%E�pALLY SRACm .BEfYJEEN SUPPORiS U.N.O: ON PLANS. r
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- 3. .DECK MUST BE POSITIVELY ATTACHED T0, JOIST 1;OP CHORDS IN ACCORDANCE N1iH �
- � DECK FASTENING REQUIREMENTS .TO- PROVIDE LAiERAL STABILITY, U.N.O. ON PLANS.
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4. JOISTS MARKED TJ_ INDICATES TIE�=J0ISTS. iHESE JOISTS ARE NOT DESIGNED TO ,� �
SATiSFY OSHA 29 CFR 1926 757 (a)(3): REFER TO "DANGER" TAG ON JOIST FOR � � .
� ERECTION �:REQUIREMENTS. r �l � ,
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5. N:I.N.Ci -- �NOT IN NMBS CONiRACT U.N.O. - UNLESS NOTED OTHERWISE
�91
NMBS REQUIREMENTS � • N
1. DO NOT �CUT AWAY ANY CHORDS OR WEBS. 2 � � �'
- 2. ERECT ALL JOIST PRODUCTS AND ACCESSORIES IN ACCORDANCE WI'fH THE '� H g
� � SPECIFICATIONS OF THE S1EEL JOIST INSi1TUTE (SJI). O � ,_,
3. NMBS JOISTS ARE FABRICATED TO MEET iHE ERECiION REQUIREMENTS OF THE � � 2 ��
OCCUPATIONAL SAFETY �AND HEAL'iH ADMINISiF2Al10N (OSHA). FIELD COMPLIANCE � � � �
WITH OSHA IS NECESSARY. � '- �
4. NMBS HiLL N07 ACCEPT iHE RESPONSIBIIJTY..OR CHARGES FOR ANY FlELD � � Z o
CbRRECTIONS AIADE WITROU7 PRI6R' NM65 11PPROVAL -� V H
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JOB N0. 301 O- Ol1
APPROVER: 3
IT IS IMPERAl1VE THAT ALL INFORMATION IS SUPPLIED/VERIFIED AND DATE
QUESTIONS ARE ANSVVERED ON APPROVAL TO AVOID DELAYS IN �� 23 ���
r2ELEASING THE JOB TO PRODUC110N. FA�LURE TO COMPLY WILL INHIBIT DRAWING N0.
NMBS.FROM MEETING THE DELIVERY SCHEDULE. CHANGES AFTER NMBS
HAS RECEIVED APPROVED DRAWINGS MAY ALSO CAUSE DELAYS. 1�3,ca �� F�
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