ML20236N876
ML20236N876 | |
Person / Time | |
---|---|
Site: | Comanche Peak ![]() |
Issue date: | 03/27/1987 |
From: | Hansel J, Schanf J, Zill R EVALUATION RESEARCH CORP. |
To: | |
Shared Package | |
ML20236N530 | List:
|
References | |
QI-052, QI-52, NUDOCS 8708120140 | |
Download: ML20236N876 (24) | |
Text
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4 Page 1 of 13
( EVALUATION RESEARCH CORPORATION N,3Y COMANCHE PEAK RESPONSE TEAM QUALITY INSTRUCTION FOR ISSUE-SPECIFIC ACTION PLAN VII.c UNCONTROLLED COPY INSTRUCTION NO: QI-052 REVISION: 2 ISSUE DATE: 03-27-87 DOCUMENTATION REVIEW OF PIPE WHIP RESTRAINTS
^
Prepared by:
Date: 3//c/s7 Approved by: _
Date: 3-16 -$7 __
IsseCoordinatorG Approved by: Y ,
Date: 2- kb - @7 On-Site QA Repr)sentative /
Approved by: l uu[ Date: h!2 *7 4 7 C Rev1sw Teah Leader / /
g;geigggg g;gf3pp
QI-052
- Rev. 2 1.0 PURPOSE
(,, - 'This instruction describes the methods and accept / reject criteria to be used for the document review of Pipe Whip Restraints by the QA/QC Review Team.
2.0 APPLICABILITY This instruction applies the requirements of. Action Plan VII.c to safety related Pipe Whip Restraints which have been QC inspected and accepted.
3.0 REFERENCES
3.1 Memorandum QA/QC-RT-1114 delineating documentation used in development of this instruction including specific sources for attributes.
3.2 QI-051, " Reinspection of Pipe Whip Restraints."
3.3 CPP-009, " Performance of Reinspection and Documentation Reviews."
,- 4.0 GENERAL 4.1 Responsibilities 4.1.1 QA/QC Discipline Engineers The QA/QC Discipline Engineers prepare the quality instruction delineating documentation review requirements and attributes.
4.1.2 QA/QC Inspectors The QA/QC inspectors perform the reviews in accordance with this inspection instruction and established project procedures. Reference 3.3 addresses the method to perform documentation reviews, and to document and process the results. .
4.2 Policy Activities performed under this instruction shall conform to the policies contained in the latest Comanche Peak Response Team Program Plan and Issue-Specific Action Plan VII.c.
b) v 2
! 4 QI-052
.. Rev. 2 5.0 INSTRUCTIONS s_ Using the information in Reference 3.3 and below, perform the documentation reviews of the sample items in this population and document the results on the checklist (Attachment 6.1). Should additional space be required for remarks on the checklist, use Attachment 6.6. (See Note 6)
Attachment 6.3 lists the various quality control reports and documents required to perform the documentation review. Using these documents and any other information available, perform the following review:
5.1 construction operaaion Traveler Package (Notes 1, 3) 5.1.1 Inspection Package (1A)
For the traveler reference number indicated on the Checklist, obtain all the traveler packages.from PPRV (Permanent Plant Records Vault), IRV (Interim Records Vault), PFG (Paper Flow Group) for Unit 1,.PFG'for Unit 2, or TUCCO Vault.
From the traveler package (s) identify those that are e, applicable to the Equipment Mark / Tag number on the Checklist.
(') If no applicable traveler exists, reject this attribute and enter 'N/A' on all the remaining attributes on the Checklist.
5.1.2 Drawings (IB)
Record on Attachment 6.8 all drawing (s) and NCR(s) listed, referenced or physically included in the traveler package (s) . Do not list this information from any historical file that may be included in the traveler package. The Discipline Engineer shall compate these against the drawing (s) and the NCR(s) used for the reinspection program and initiate Deviation Reports, if appropriate.
5.1.3 Inspector Certification (1C)
Verify, by review, that the below listed documents, when included. are signed or initialed as required by a certified inspector. The accept / reject criteria for inspection certification is:
- 1. The inspector must be certified in the area, discipline or procedure for the type of inspection performed, and
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- 2. The inspector'n certification must be current at the time of inspection.
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._.m_m___ _____
QI-052 l- s.
Rev. 2 5.0- INSTRUCTIONS (Cont'd)
( 5.1 Construction Operation Traveler Package (1) (Cont'd)
S.I.3 Inspector certification (IC) (Cont'd)
If this attribute is rejected, determine if the person that signed as QC inspector was ever certified to the procedure used. If the inspector was aver certified to the procedure, record the time period of_ certification, otherwise state in the remarks column that the person was never certified.
NOTE: Inspector's name shall be recorded on the checklisc when a deviation occurs.
Attachment 6.2 gives guidelines for the various inspector certifications.
Inspector certification files - files retrieved from the Permanent Plant Records Vault or B&R training office shall be used for this verification. CB&I Inspector Certifications are filed in Section 8.12 of P.O. 91939.
- a. Inspection Report '-
- b. Weld Inspection Documentation Card
'O
\ss/ c. Multiple weld data card
- d. Structural Assembly Verification Card
- e. Receiving Inspection Reports
- f. Other documents reviewed to meet' requirements of this instruction. List the titles of these documents on the document review checklist.
5.2 Welding (2)
From the Construction Operation Traveler (s) identified in-5.1.1, determine those entries which are related to the population' item being reviewed. If the Traveler (s) indicates that some welding was performed by CBI (referred to as Subcontractor on the Traveler), obtain the CBI checklist from PPRV (filed in Section 8.1 or 8.5 of P.O. 91939). Some of the l attributes described below may be listed as individual entries or they may be included with an entry for the entire inspection area. Should an attribute described below not be applicable to the item being reviewed, enter N/A on the document review checklist.
O 4
L QI-052 Rev. 2
. ,. 5.0 INSTRUCTIONS (Cont'd)'
ks 5.2 Welding (2) (Cont'd) 5.2.'1 Welds (2A)
Document reviews required by this Section shall be performed for~each weld called out on the drawings with a field weld symbol. Verify that welding of all field welds is documented.
5.2.2 Weld Procedure Qualification (2B)
Identify the procedure (s) used for welding from WFML (Weld Filler Metal Log), Multiple Weld Data Card or CBI Checklist, as applicable.
Verify, by review, that there is a letter of approval from Gibbs & Hill or TUSI for the weld procedure used.
It may be filed with the welding procedure-in the Brown
& Root Welding Procedure Manual or referenced on the CB&I welding procedure under P.O. 91939.
5.2.3 Weld Procedure Appli. cation (2C) ,,
l'. Code
() Verify, by review, that the weld procedure used is. qualified to the appropriate code as indicated below:
Welds for Moment Restraints are required to be made by procedures qualified as per ASME III, Subsection NF.
Welds for all other Restraints and Support Structures are required to be made by procedures qualified per AWS D1.1, ASME IX or ASME III, Subsection NF.
- 2. Base Material (Notes 4, 5)
Verify, by review, that the weld procedure supports the materials (or the corresponding P-numbers and Group numbers) being joined.
Materials are specified on the SAVC or design / vendor drawings. ASTM A-588 may be welded by a procedure qualified for P3 Group 1 materials.
3.
( Filler Metal For Brown & Root Welds 5
QI-052-
. Rev. 2 5.0 INSTRUCTIONS (Cont'd) 5.2 Welding-(2) (Cont'd)
Verify, by review, that the weld filler metal (specified un the'Vc1d Filler Metal Log) used to make.the joint is as specified in the weld procedure.used for the weld as to material type and classification. Additionally, for 4 Moment Restraint welds, verify, by review, .{
l that the weld filler metal was impact 'I property tested by examining.the CMTR.
f NOTE: WFML may specify multiple material issuance without identifying the specific joint.
Therefore, the inspector shall check all material listed on the WFML. ,
l For CBI Welds Verify that the " complete" column of the I Record. Drawing (if included) is initialed and dated. If the Record Drawing is not included, verify that an inspector has e, initialed and dated the statement,
' requirements of WPS were met" on the CBI
,- -~g detail checklist.
O This will indicate that use of proper filler metal was verified by a CBI inspector.
4 Material Thickness Verify, by. review that the thickness of the material being ' .ed (specified on the Construction Operation Traveler or'the design / vendor drawings) is within the material thickness range of the welding procedure.
i 5.2.4 Welder Qualifications (2D)
- 1. Brown & Root Welds Obtain the welder symbol from Welder ID _.
Record (Attachment 6.19 of QI-051 - included in the reinspection package) or use the welder symbol (s) listed on the WFML.
Obtain from the " Welder Performance l Qualification Record Listing Standard Tests" effective at the time of welding (use date
- .O. specified on the WFML for each velder) the tests for which the welder is qualified to.
6 I
_4 QI-052
.. Rev. 2
. - 5.0 INSTRUCTIONS (Cont'd) y/ ' 5.2 Welding (Cont'd)
Verify, by review of the " Welder Qualification Matrix" and the data obtained i above, the welder is qualified to the welding procedure (s) identified in 5.2.2.
from Welder ID Record (included in reinspection package) or from Record Drawing.
Verify, by review of CBI documentation -l (Section 8.10 of P.O. 91939), that the welder is qualified to the welding procedure (s) identified in 5.2.2.
If welder ID is not available, verify by examining the CBl Detail Checkleit that an inspector has initialed and dated the statement.' welders were qualified'. ,,
5.2.5 Hold Points (2E)
D Verify, by review, that the QC hold points for fit-up (when checked), preheat (when checked) and r.; quired NDE-(as indicated below) were signed and dated. For CBI Welds, the NDE report number is indicated on the Record Drawing or Detail Checklist. The reports are filed in PPRV under P.O. 91939 (Section 7.10 for VT, Section 7.3 for PT, Section 7.4 for MT and Section 7.5 for UT). ,
All welds are required to be visually inspected.
All welds are required to be e.amined by either Magnetic Particle or Liquid Penetrant method.
All complete penetration welds in 1" plate or thicker and fillet welds greater than 3/4" (as measured through throat of the veld) are l required to be ultrasonically tested. In addition, drawing may call out ultrasonic examination requirement by referring to detail 'C' of drawing SI-0581-01, S2-0581-01 ,
or SI-0680. I 7
L- _ -. - - - - - - - - _ _ _ . _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
QI-052 Rev. 2 5.0 INSTRUCTIONS (Cont'd)
(s- ) 5.2 Welding (Cont'd) q 5.2.6 Stress Relief (2F)
The weld procedure used may require certain welds to be i post weld heat treated. In addition, all complete penetration welds.in plates greater than 1-1/2" and fillet welds greater than 1" (leg size) are required to 4 be post veld heat treated. For all such welds made using procedurc qualified to ASME III, Subsection NF, 1
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perform the verification listed below. If any veld requiring post weld heat treatment has been welded using procedures qualified to AWS D1.1 or ASME IX, it shall be brought to the attention of the discipline engineer for verification instructions.
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1 PWHT Charts for welding performed by CBI are filed under Section 7.7.2 of P.O. 91939 in PPRV.
1
- 1. Time l
Verify, by review of the temperature charts that the time at temperature was at least ' -
that which was called for on the welding procedure.
f-~s l 1
(,,/ 2. Range Verify, by review, the PWHT temperature was within the range specified on the welding procedure.
- 3. Rate 4
Verify, by review, the heating and cooling rate was correct. The code requires that above 800*F the rate of heating and cooling shall not exceed 400*F/ hour divided by the maximum thickness (in inches) of the material being heat treated, but in no case more than 400'F/ hour.
- 4. Total Time If the member being heat treated has been subjected to multiple PWHT cycles, verify by review the weld procedure was qualified to at least 80% of the total time at temperature of the production weld. Refer to the " Post Weld Heat Treatment Log" to verify number of f-~s cycles weld was subjected to. l
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QI-052 Rev. 2 5.0 INSTRUCTIONS (Cont'd) 5.3 Richmond Inserts / Embedded Bolts (3)
Verify, by review, that for Richmond Inserts and embedded bolts QC has signed off or indicated that bolts / nuts have been installed snug.
5.4 Concrete Expansion Anchors (Hilti's) (4)
Using information in the Construction Operation Traveler /
Inspection Report or Hilti Inspection Report perform the following:
5.4.1 Torque (4A)
Verify, by review, that:
- 1. Calibration The calibration due date of the torque wrench used is subsequent to the date the installation is being performed.
Note: It is only necessary to have the MT&E number l
on reint.pection report in order to trace calibration on equipment.
- 2. Torque Value The recorded torque setting value meets or exceeds the minimitm torque requirements ot Attachment 6.4.
5.4.2 Spacing (4B)
Verify, by review, that if abandoned holes were drilled and subsequently covered by a baseplate, the inspector noted that the appropriate spacing was maintained l
between the installed Hilti and the abandoned holes.
l and that if located at a distance of four (4) bolt diameters and closer, holes were filled and patched in accordance with procedure 35-1195-CLP-12 (grouted).
5.4.3 Rework (4C)
Verify, by review, that if rework of bolts occurred, that the inspector noted:
- 1. Thread fit Correctness of thread fit requirements.
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QI-052 o c Rev. 2 5.0 INSTRUCTIONS (Cont'd) ikf~)g/ 5.4.3 Rework (Cont'd)
- 2. Restamping Restamping of bolt to new length designation was observed.
5.5 Structural Bolting (5)
From Attachment 6.6 to QI-051, included in the reinspection package, identify all the structural bolted connections.
Using the Construction Operation Traveler / Inspection Report (s), perform the following reviews for each bolted-connection:
5.5.1 Bearing Joints (SA)
Verify, by review, that the bc>1ts are installed snug tight.
5.5.2 Friction Joints (SB) 8
- 1. Torque Verify, by review, that the bolts are O% tightened either by turn of the nut method or by using calibrated wrenches to a torque value that equals or exceeds the minimum installation torque given in Attachment 6.5.
- 2. Calibration When calibrated wrenches are used, verify that ths calibration due date is subsequent to the date of installation. .If turn of the nut method is used, enter "N/A" for this attribute.
Note: It is only necessary to have the MT&E number on the inspection report in order to trace calibration on the equipment.
5.6 Material Traceability (6) 5.6.1 Material Certification (6A)
- 1. RIR Using the assembly ID's on the vendor
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drawings, obtain the Receiving Inspection Report (RIR) from PPRV.
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., )
QI-052 Rev. 2 l
5.0 INSTRUCTIONS (Cont'd) l /"'y (J 5.6 Material Traceability (6) (Cont'd) 4 l
Verify, by review, that the site inspector has indicated on the RIR that the receipt inspection was satisfactory or that any. .
unsatisfactory conditions were corrected and accepted.
- 2. QAR Verify, by review, that an inspector representing TUGC0 has indicated.on the QAR.
(Quality Assurance Release)'that all the required documentation is acceptable. QAR is referenced on the RIR and is usually included with it.
5.6.2 Heat Number / Unique ID Conformity (6B)
-Attachment 6.2 to QI-051, included in the reinspection package lists unique ID's and heat numbers recorded during hardware reinspection.
9.
Verify, by review of vendor drawings, that each ID is valid.
( ,/
For those items identified by heat number only, verify that the heat number is traceable. Heat number documentation may be included with the RIR or may be filed in PPRV under the P.O. number indicated on the vendor drawings.
5.6.3 Material Conformity (6C)
Verify that any field supplied material for the Pipe Whip Restraints is as specified on the design / vendor drawings.
All items are vendor supplied, unless there is documentation in the traveler package that indicates field supplied material.
5.7 Hot Gap Hot gaps on U-Bar Restraints were checked by '.'JGC0 on HFT Cards. Verify, by review, that the measurements on the HFT Card were reviewed on a DCA.
For all other Restraints / Support Structures, this attribute shall be marked "N/A".
11
-...______m __. . - - ._. _._ -- .___m._.__ _ _ . - - _ _ _ _ _ ___
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QI-052 j Rev. 2 l I
i NOTES:
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['\
1, 1
() 1. Numbers in parenthesis refar to the attributes on the Checklist.
- 2. Multiple Weld Data Cards (MWDC) for non-pressure boundary welds will be filed with the support package. Weld Data Cards (WDC) for pressure boundary attachment welds are filed with pipe spool package.
- 3. Drawing, as referenced here, includes all the associated change documents (i.e., DCA's and CMC's).
- 4. Material for U-Bar Restraint brackets is ASTM A533 Class 2 unless specified otherwise on drawing.
- 5. CBI drawings refer to spec numbers for materials. Attachment 6.7 lists Corresponding Materials.
- 6. In order to perform the required documentation reviews, the inspector must review the hardware reinspection package. This package contains the drawings, various Attachments to QI-051 required for the review, and, when necessary, supplemental instructions defining the boundaries of the sample item. .This package will be obtained by the Discipline Engineer who will make ,
it available to. inspectors.- Responsibility of the package shall
- remain with the engineer at all times.
/ 7. For the Doccment Review Packages completed before 6/3/86, the Discipline Engineer shall review (and update, if necessary)
Attach" tent 6.8 for the requirement of Section 5.1.2 O
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QI-052 Rev. 2 6.0 ATTACHMENTS
,3 6.1 Inspection Checklist 6.2 Inspector Certification Guidelines 6.3 Document List l 6.4 Torque Requirements for Concrete Expansion Anchors l
6.5 Torque Requiren.ents for Friction Connections 6.6 Supplemental Remarks 6.7 Material Designations for CBI furnished materials.
6.8 Drawing List from Construction Traveler Package (s) 8 l
)'
%)
13
Attechm2nt 6.1
- QI-052 Rev. 2 Page 1 of 3 c CHECKLIST t ! \
l
\~ ,jl Attacecent e.6 CO.wC3I PEAK us?ONst T .ut gl.052 C21:2".15T gev. 1 NF L ;;;3 GE5G dE1!7; a:::u PKG 30.
f tpe L%ip Restraints R-SeFb1LZ FACZ L OF- 3 QUA1.; O D 3;E C U CN Q!-052 O il usFre o" O Cx:: t EW U NEK! . W e!AG .40. @ DCC"XDTATION Eg7:2'J C CN!! 2 Traveler Reference ho.
{ C: M y vt117!A!:0N ACCIFT I 11J17 CA!! EUM
- 1. Construction Operation Travelar A. Traveler Fechave \
- 9. Drevinte N/A N/A Record on Attachment 6.8 C. Inspector
. Certification
- 2. Velding D A. Walde em
( \ S. Wald Procedure
( Qualification C. Wald Procedure Application
- t. Code
? 3ase Matettal
- 3. Filler % tsi
- 3. Mat't.Thfeknees D. Welder Qualifications
- 1. S&R Velde
?. Clot Walde iKIFARID ST* APPROVED lit M5C!Pt:NE INC1. 04;t t w pts;;FL DE ENC 1. DA!!
.35fLs m Bla Afrisygg gg
" -~~*" ;^T! LEAJ 35750~0R OA*!
!??-)M .ta. Rev.dian 0
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Attachment 6.1
- QI-052 Rev. 2 CHECKLIST (Cont'd)
Attachment 6.1 COPM CME FEAK Rt3PON51 TEAM gg.o31 CRICKLIST gey, 1 PCP.'1AILON DESC VERITIsATICM FKG so.
Pipe Whip Restrasnts R-5-tht! PACE L CF L l
VERIFICATION i
A I* IN3 ACCIFT IIJECT DATE l
l
- 2. Welding (Cont'd)
- t. Esta Points F. Stress Relief
- t. Time
- 2. Range
- 3. tate
- 4. Total Tina
- 3. Richmond Inserts /
tabedded 8elts l
- 4. Concrets f.xpaaston Anchors (Hilti's) I.
A. Torque
- 1. Calibration
- 2. Torque Value
- 3. $psein g C. Rework
- 1. Dread fit
- 2. Rest & seine
- 5. Structural sotting A. Searing Jotate
- 5. Friction Joints
- 1. Toreue
- 2. Calibratten l *
'T" '^'.tl. Fevtsten 0
' 1.
2
Attachmsnt 6.1.
. ~01-052 Rev. 2 A. CHECKLIST (Cont'd)
.(
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Attachment 6.1 CCHANCHI PEAR !!!PON$t TEAM Q1-051 CHECKLIST go,, g F0F1lLATION DE5G VERITICAT10W PKG NO.
Pipe Whip Rastraints 3-5-P141 PACE L CP.L -
vtttFICATION ACCLPT REJECT DATE IN3
- 6. Material Traceability A. Mat'1. Cetts.
- 1. RIR
- 2. CAR
- 3. Meat Wo. / Unique 1.D C. Material Confereity
- 7. Eat Cap 8
iO)
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i i
a CF -' '.18, Deriston 0 1
3
Attachment 6.2 QI-052 Rev. 2.
Page 1;of 1 (j INSPECTOR CERTIFICATION GUIDELINES 1.
For Moment Restraint - Brown & Root level II ASME Certs as appropriate.
- 3. All other restraints are non-ASME and require certification to the appropriate TUGC0 QI-QP procedures, as follows:
A. Visual Welding (VT) - Prior to March 25, 1983, OI-QP-11.14.3.
After March 25, 1983, QI-QP-11.14-3 or QI-QP-11.21-1. After January 17, 1984, QI-QP-11.21-1 only.
B. Bolts and Screw Anchors Snug Tight - QI-QP-11.14-1. 1 C. Hilti torquing and spacing - Prior to July 16, 1984, QI-Qp-11.2-3. After July 16, 1984, QI-QP-11.2-1.
D. Grouting (Surface and Placement) QI-QP-11.0-6.
E. Hilti Instal'1ation, drilling and Bolting - QI-QP-11.2-1.
F. Material Traceability - QI-QP-11.14-4.
G. Base Metal defects - OI-QP-16.0-5.
H. PT - QI-QP-11.18-1.
I. MT - QI-QP-11.18-2.
J. UT (thickness) - QI-QP-11.18-3.
K. UT of Hilti's - QI-QP-11.18-4.
L. UT of Welds - QI-QP-11.18-5.
l M. UT of Lamination - QI-QP-11.18-7. )
Note: TUGC0 NDE Certs (PT, MT, UT) may reference the NDE method rather than the QI-QP-procedure number.
l 0 l
Attachment 6.3 QI-052 Rev. 2 Page 1 of 1 DOCUMENT LIST DOCUMENT SOURCE Inspection Report (IR) Construction Operation Traveler Weld Inspection Documentation Construction Operation Traveler Card (WIDC)
Multiple Weld Data Card (MWDC) Construction Operation Traveler _
Weld Filler Metal Log (WFML) Construction Operation Traveler Structural Assembly Verification Construction Operation Traveler Card (SAVC)
Nonecnformance Report (NCR) Permanent Plant Records Vault t
l Receiving Inspection Repert (RIR) Permanent Plant Records Vault CB&I Checklist CB&I Documentation Package for l
P. O. 91939 l
l l
l l
l O
Attachment 6.4
- QI-052 Rev. 2 Page 1 of 1
'd '
TORQUE REQUIREMENTS CONCRETE EXPANSION ANCHORS (Hilti's)
Bolt Diameter (In.) Minimum Torque (Ft./lbs.)
1/4 8 3/8 17 1/2 70 5/8 120 3/4 150 1
230 1 1/4 400 e.
a 1
(
V
Attachment 6'.5
. QI-052 Rev. 2 Page 1 of 1
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TORQUE REQUIREMENTS FOR FRICTION CONNECTIONS NOTE: Requirements for A-325 bolts do not apply to Moment Restraints.
Bolt Type Bolt Size (inches) Torque (ft-lbs)
A-325 1/2 93 5/8 228 3/4 387 7/8 518 1 725 A-490 3/4 500 7/8 650 1 1320 1 1/4 2620 1 1/2 4565 v
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1
_.__________________.__ _ w
Attachment 6.6
- QI-052 Rev. 2 Page 1 of 1 O SUPPLEMENTAL REMARKS I t.
O O Preparer Date
4 Attachmsnt 6.7
' QI-052 Rev. 2 Page 1 of 2 q
(s,/ Material Designation for CBI Furnished Materials A) For Contract No. 82105 SPEC NO. MATERIAL SPEC NO. MATERIAL 1,6,9,10,11, A588-77a 12 A36-77a; 14,15,16,17,18,20 Grade A A606-75 or A588-77a GrA 13 A36-77a,A606-75 or A588-77a GrA for thickness 1/4" 2,5 A-325-76C A572-77a Gr50 for-thickness 1/4" and 1/2" 8
3 A490-77 for 1/2" 0 thru l-1/2" 0
,-.s A354-77 GrBD for A588-77a GrA for
( ) 1-1/2" O and 4" O
\'# thickness 1/2" thru (A490-77 may be 3/4" substituted for A354-77 Gr BD) 19 A-106B 4 A194-77a Gr2H 21 A193-77a GrB7 7 B22-863 22 A320-77a (Lubron or Lubrite GrL43, L7 or L7C Plate) 8 A325-76C Hardened <
Washers
Attachmsnt 6.7
-QI-052 Rev. 2-Page'2 of 2
. /*
Material Designation for CBI Furnished Materials A) For Contract No. 91918 SPEC NO. MATERIAL 1,2,3,4, A388-77a 12,13 Grade A 5 A-490-76a 6,8 SA325 7 SA194 Gr2H 9 SA325.
Hardened Washers t,
10 SA36,A606-75 or A588-77 GrA or B
() 11. SA36,A606-75 or A588 GrA or B for t 1/4" A572-77a Gr50 for 1/4" t 1/2" A588-77a GrA for 1/2" t '3/4" 14 A588-77a GrA or B 4
O
4 Attachmsnt 6.8
, QI-052 Rev. 2 Page 1 of 1 O
Drawing List from Construction Traveler Package (s) 9 t
'% J l
Prepared by Inspector Date Reviewed for J Acceptance by QA/QC Discipline Engineer Date