ML20195F526

Rev 7 to Instruction CP-EI-4.5-4, Technical Svcs Engineering Instruction for Pipe Hanger Design Review & Certification

ML20195F526
Person / Time
Site:	Comanche Peak
Issue date:	10/11/1983
From:	Jerrica Johnson BROWN & ROOT, INC. (SUBS. OF HALLIBURTON CO.)
To:
Shared Package
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References
FOIA-85-59 CP-EI-4.5-4, NUDOCS 8606120166
Download: ML20195F526 (4)

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'IEXAS UrILITIES SERVICES INC. INSTRUCTION REVISION ISSUE PAGE DATE n

( ' 10-11-83 i og 4 y 9: L (W V CP-EI-4.5-4 7 iO

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'IECHNICAL SERVICES / '

ENGINEERING INSTRUCTION PREP Y

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EOR PIPE A M DESIGN ,

REVIEW AND CERTIFICATION ,

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1.0 REFERENCES

1-A CP-EP-4.5 Design Verification 1-B CP-EI-4.5-1 General Program for As-built Piping Verification 2.0 GENERAL

, 2.1 RJRDJSE To establish a program for design review and vendor certification for large bore pipe supports.

2.2 SCOPE

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2.3 IEFINITIWS TSDRE - Technical Services Design Review Engineering '

TSEC - Technical Services File Clerk PSE - Pipe Support Engineering  ;

TSMD - Technical Services Mechanical Drafting Department I

BRH - Brown & Root Ccntrolled Hanger Drawing l

VCDI - Vendor Certification Drafting Instructions DCC - Document Control Center

- l 2.4 RESPONSIBILITIES

'Ihe CPP Mechanical Engineer (who reports to the Engineering Manager) is responsible for providing technical direction ard administrative  !

guidance to the CPP Mechanical Engineering organization of which j the Technical Services Group is a part.

8606120166 860512 PDR FOIA GARDE 85-59 PDR

'IEXAS UrILITIES SERVICES INC. INSTRUCTION REVISION ISSUE PAGE DATE

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CP-EI-4.5-4 7 10-11-83 2 of 4

%e 'mchnical Services Group Supervisor is responsible for assuring that activities within the purpose and scope of this instruction are completed in accordance with the measures described herein.

'Ihe TSDRE Supervisor is responsible for implementation of this instruction. 'Ihe TSDRE Supervisor shall coordinate work flow through the group, interface activities, and maintain adequate tracking mechanisms to assure positive control of activities addressed in this instruction in accordance with Reference 1-A.

3.0 INdn uerION 3.1 EESIGN REVIEW 3.1.1 General Seismic supports which are rot within as-built scope, as defined in Rsference 1-B, shall be reviewed for structural acceptability and empliance with applicable code requirements. Review shall be performed by representatives of the original design organizations in accordance with their respective engineering programs. Design review may be done on-site or off-site at the pipe sugort vendor's hme office.

3.1.2 Design Change Acceptable Design change documents found to be acceptable shall be listed on the design review cover sheet for input into the tracking system.

Cover sheets shall be stamped " Design Reviewed" and signed or initialed by the cognizant engineer. Completed review packages shall be returned to the TSEC for logging and storage.

3.1.3 Design Change Unacceptable PSE/rask Force shall be notified by three part neno of design changes found to be unacceptable. Memos shall be logged and tracked by TSFC.

Engineering resolution by PSE/rask Force shall be in accordance with the appropriate engineering procedure / instruction.

3.2 VENDOR CERTIFICATION (Non-Class 1 Supports) )

3.2 .1 General pe

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except as noted in Section 3.2.1.1). ,

4 Supports shall then undergo a final check to assure overall i v' compliance with applicable codes, site, and vendor engineering l requirements.

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'IEXAS UTILITIES SERVICES INC. INSTRUCTION REVISION ISSUE PAGE DATE CP-EI-4.5-4 7 10-11-83 3 of 4 3.2.1.1 variable and constant type supports on high temperature lines in the Turbine Building shall be reviewed per the following criteria:

(a) Cold I. cad (CL) shall be based on actual field conditions and shall be supplied by PSE.

(b) 'Ihermal operating displacements shall be extracted frm the applicable as-built analysis.

(c) Hot f. cad (HL) shall.be calculated frm information in (a) and (b), above.

The TSDRE Supervisor shall maintain a log of supports reviewed to this criteria.

3.2.2 Final Design Acceptabl V 3.2.2.1 Acceptable hanger ckages shall be transmitted to TSMD to assure applicable hs-bui t'information, as listed on the VCDI, is incorporated into the final BRH. 'Ihe BRH shall be stanped " Vendor Certified" and, upon return to TSDRE, signed or initialed by the designated vendor engineering representative.

3.2.2.2 Certified hanger packages shall be forwarded to TSK for disposition.

1 r drawings shall be issued for distribution by DCC anh j Iculation packages shall be filed by the TSK. j J

3.2 .3 Final Design Unacceptable Unacceptable hanger packages shall be dispositioned as outlined in Section 3.1.3.

3.3 VENDOR CERTIFICATION (Class 1 Supports) 3.3.1 General Upon conpletion of as-built stress analysis, Class 1 pipe supports shall be reviewed at NPSI's home office to assure compatibility between final stress analysis and final-support design. Class 1 supports shall undergo a final check to assure overall compliance with applicable codes, site, and vendor engineering requirements.

A stress report shall be prepared for each Class 1 support.

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'IEXAS UTILITIES SERVICES INC. INSTRUCTION REVISION ISSUE PAGE J

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CP-EI-4.5-4 . 7 10-11-83 4 of 4 3.3.2 Final Design Acceptable 3.3.2.1 VDCI's for acceptable hanger packages shall be transmitted from the NPSI bczne office to site. 'Ihe hanger package shall be forwarded i to TSMD to assure all applicable as-built information, as listed on the VCDI, is incorporated into the final BRH. 'Ihe BRH shall be stauped " Vendor Certified" and, upon return to TSDRE, signed or initialed by the designated NPSI representative. A mpy of the vendor certified BRH will be sent to the NPSI home office where the PE shall complete his review and certify the hanger stress report. A mpy of the certified hanger stress report, showing as-built stiffness, shall be returned to the site.

3.3.2.2 Certified Class 1 hanger packages shall be dispositioned as outlined in section 3.2.2.2. .

3.3.3 Final Design Unacceptable Unacceptable Class 1 hanger packages shall be dispositioned as outlined in Section 3.1.3.

3.4 ETJNCTIONAL REVIEW 3.4.1 General Pipe supports within as-built scope, as defined in Reference 1-B, may undergo a functional review prior to issuance of the applicable as-built stress analysis. Such review will be to verify that the support is structurally adequate for the design loads given on the BRH and in conpliance with applicable code requirements.

3.4.2 Functionally Acceptable 3.4.2.1 Acceptable hanger packages shall be transmitted to TSMD to assure all design changes ard other applicable information are incorporated onto the BRH. The BRH shall be stamped " Functionally Reviewed" and, upon return to TSDRE, signed or initialed by the designated vendor engineering representative.

3.4.2.2 Completed hanger packages snall be dispositioned as outlined in Section 3.2.2.2.

3.4.3 Functionally Unacceptable l

Unacceptable hanger packages shall be dispositioned as outlined in l y Section 3.1.3. l 4 -f f m -T p , e9E'- ei