ML20214C162
| ML20214C162 | |
| Person / Time | |
|---|---|
| Site: | Braidwood  |
| Issue date: | 06/10/1986 |
| From: | SARGENT & LUNDY, INC. |
| To: | |
| References | |
| OL-A-019, OL-A-19, NUDOCS 8705200583 | |
| Download: ML20214C162 (12) | |
Text
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AMENDMElfI 42 WC 1b 4 6
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1 SPECIFICATION L-2790 o
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y 8 N u FOR ELECTRICAL INSTALLATION WORK tQ h
\\ SKAIDWOOD STATION - UNITS 1 AND 2 4'l I
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11 ill!!I I COMMONEALTH EDISON COMPANY A
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With reforence to the above Specification, the following Engineering Change Notices (ECN's) are incorporated into this issue of Amendment 42 and are listed here for record purposes only:
ECN-22767 (04-29-84)*
ECN-23120 (10-04-84)
ECN-23059 (10-05-84)
- ECN-22767 superseded by ECN-23120 l
2.
The following pages have been revised and are issued herewith. These re-r vised pages are to be inserted in the appropriate place in the Specifica-
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tion and superseded pages of prior issue voided. The information set forth
- in this Paragraph is for convenience only and shall not affect the revised pages included herewith:
Pggg Channes Pertain to AP-4 Documentation of Amendeant 42.
(Post) 15-4 Documentation of Amendment 42.
CP-3 Amendment 42 certified.
4-3 Article 401.18: Replaced entirely.
4-3, 4-3a, and 4-3b Article 401.19: Replaced entire Article.
4-3c, 4-3d, and 4-3e Pages 4-3c, 4-3d, and 4-3e were pages 4-34, 4-3b, and 4-3c respectively.
4-15 Subarticle 402.20d: Added.
4-15a Page added for overflow.
3.
Except as expressly amended by thig Amendment 42, all provisions of Spec-ification L-2790, as previously amended, remain unchanged.
AMIA2-1 Final B705200503 860610 PDR ADOCK 05000454 Q
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SARGENT si LUNDY L-2790 ENo4Narns 8"'c'*
- And. 42, 11-09-84 f
APPROVAL PAGE, Cont.
NUCLEAR SAFETY RELATED ITEMS ARE PART OF 1HIS SPECIFICATION Issue Prepared by Purpose Date Reseensible Elect. Engr.
Reviewed by Approved by 7 E Ck-4 g /[/
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nt 12-09-83 Amendment 01-31-84 "T ). f. G M T
78 37 issued I
6~/ ( 4 Amendment 03-30-84 38 issued Y:= f G..Q,...:.
74Wt' gad"aj 05-14-84 07-18-84
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Amendment 74 M /
42 issued 11-09-84 O
e AP-4 Final l
CARGENTQ LUNCY L-2790 jj ".." "
And. 42, 11-09-84 POST-AWARD ISSUE SUlmARY PACE, Cont.
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Purpose of Issue Date Paaes Affected And. 39 - Issued to Incorporate 05-14-84 AP-4, (Post) 15-3, (Post) IS-4, ECN's 7581 and 7726.
CP-3, 3-6 and 3-8.
And. 40 - Issued to Incorporate 07-18-84 AP-4, (Post) 18-4, CF-3, 3-6 and ECN's 22194 and 22197.
3-8.
And. 41 - !seued to Incorporate 08-31-84 AF-4, (Foot) 15-4, CP-3, 3-8, ECM's 22523, 22539 3-14 and 4-3.
and 22576.
Amd. 42 - Issued to Incorporate 11-09-84 AF-4, (Fost) 15-4, CP-3, 4-3, ECN's 22767, 23059, 4-3a, 4-3b, 4-3c, 4-3d, 4-3e, and 23120.
4-15, and 4-15e.
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i (Post) IS-4 Finst O
CARGENT O LUMDY
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L-2790 Amd. 42, 11-09-84 CERTIFICATION OF SPECIFICATION, Cont.
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Dates _
10-20-82 Revision:
Aad. 2h Cartified By: 7 Certified Byt I I M_- -- -
ate:
02-10 83 Revision:
Amd. 25 Revision:
Amd. 26 Certified By Y Date:
04-01-83 Revision:
And. 27 Certified By:
>>e's Date:
04-25-83 Revision:
Amd. 28 Certified By ee'*M Date:
05-26-83 I
Revision:
Amd. 29 Certified Byt, Date:
06-20-83 Revision:
Asd. 30 Certiffed 8y
/
Dates 07-14-83 Revision Amd. 31 Certified By:
e>>
Date:
08-05-83 Revision:
Amd. 32 Certified By Y M / M Date:
08-29-83 Revision:
Amd. 33 Certified By:
Dates.
10-07-83 Revision:
Amd. 34 Certified Bys'A N // N-!I Date:
10-24-83 Revision:
And. 35 Certified By:
. M Date 10-31-83 Revision:
Arti. 36 Certified By:
__ ' Date:
12-09-83 Revision Amd. 37 Certified By
- 'I Date:
01-11-84 Revision:
Amd. 38 Cartified By: MN Date:
03-10-84 Revision Amd. 39 Certified By IM Date:
05-14-84 Revision Aad. 40 Certified By: '78 N ! N '
Date:
07-18-84 Revision:
Aad. 41 Certified By W Date:
08-31-84 Revision Ami. 42 Certified By:
/
W Dates 11-09-94 4
CP-3 Tinal
SARGENT4 LUNDY awe,wasas L-2790 Aed. 42, 11-09-84 l
e.
Noking all enternal electrical senaeatione (instuding ground eennec-l tion).
I 4.
Noking of any internal eennectione en equipeent that were esitted for i
purposes of shipment and the installation of assessary jumpers and local interconnections.
e.
Mounting and connecting of einer itees shipped separately, and removing and replacing details for convenient handling.
f.
Cleaning and ahecking of electrical equipment and sonnectione.
3 Testing assistance as defined in Article 402.25.
h.
Aseleting manufacturer's servicemen er Purchaser's Engineers in placing equipment la satisfactory operating condities including internal align-ing and adjusteent of oil circuit breakers, estal encieeed evitchgear, t
and other sletter electrical mechaatsee.
P 1.
Touching up damaged surfaces.
401.17 Centraster shall review the equipment annufacturer's instruction books Ass.1 prior to equipment installation for any special precedures, receaseada-tiene and/or seaflicts with this specificaties er the installation drawings. Purchaser er Censulting Engineers shall be notified of all
'f special procedures, receaunendations or seaflicts, and permiselon ob-1 tained before proceeding with equipment installation.
401.18 Field Welding Requirementet And.42 401.18.1 Welding shall be in accordance with the requirements of AWS D1.1.
At the option of the Centracter, where base metals thinner than 1/4 inch are to be welded, the requiremente of AWS D1.3 eay be applied in lieu of AWS D1.1. Weldere may be qualified to either ASNE 5 & PV Code Sec-ties IX, AWS D1.1 er AWS D1.3 (for esterial less than 1/8" thick) requiremente.
401.18.2 The following ASTM esteriale shall require one welding precedure quell-fisation for each group of asterialt statalees steel - A240, Type 304 and A312, Type 304; alusinus 241, Type 6061 and B-241, Type 6063.
401.18.3 The precedure qualification to demonstrate weldability specified by paragraphe 8.2.2 and 10.2.2 of AWS D1.1 is not required for the foi-lowing base esteriales ASTM A446, Grades A. 8, El ASTM A526.
401.19 Field Welding Inspection Requirementes 401.19.1 All welde including full penetration groove welds, shall be subject to visual inspection.
In addition, full penetration groove welde shall be subject to NDE inspection se specified 'in Fore 1701 for structural steel.
4-3
s CACCENT O LbMOV ENeINEEse 3,.2790 And. 42, 11-09-34 401.19.2 Asseptance eriteria for visual esaminaties of welde shall sentere And.42 to the applicable requiremente of AWs 91.1 or AWs 91.3 based on weld-ing procedure used, eseept as follows:
a.
Wold undercut le a groeve melted into the base metal adjesent to the see er reet of a weld and left unfilled by weld metal. Weld i
l undereut greater than 1/32" depth shall be repaired. A gree.ve shall agi he seasidered se undereut if it is not greater than 3/16" in tength and set greater than 1/16" la depth provided spacing between two adjaseet grooves is at least 3 insbes. Centreeter shall embett weld underest inspection reporte for spesifie weldseate en a sampling beels se speelfted by the Censulting Engineers.
b.
For esterial thicknessee less than 1/8", undereut shall not esseed 10 percent of the thlehnese of the steel which has the undereut.
e.
Welde shall be free free overlap where lack of fusion is evident.
d.
Welde shall meet the speelfied eies and length; however, the follow-las senditlena are seseptable
- 41. Unequal les stees, provided the smaller les meste er esseeds the minimum specified stee.
d2. Ceavenity and weld reinfersement without limit.
- 43. la an intermittent stitch weld patters, the welde may be longer then.
required. la this ease the menisaan a11ewebte clear distanee between welde shall be maintained. Bewever, the senter-to-center distance any be greater than speelfied>.
d4. Fillet welde equal to the thicknees of the base estal.
- 45. Actual fillet else greater than speelfied.
glas shall be cleaned free all welds. ladividual slag incluelene e.
with greatest surface dimeneten up to 3/32" are persiesible provided the space between the adjaeont slag inclusione is larger than 9/32" and the sus total of all slag incluelene does not esseed length "t" In any "6t" length of the weld, where "t" is the threat eine for fillet weld and slee of weld for all other velde.
f.
Are strikes en eerben steel bene asterial are seseptable and need not be removed provided fl. There is no ereck.
G 4-3a
SARGENTOLUN3Y ENGlNEEns L-2790 And. 42, 11-09-84 f2. There is no forelan material at the base of the are strike.
Asd.42 f3. The depth of the arc strike does not ascoed the following Ten per' cent of the base material thicknese for material thickness s.
less than 1/8".
b.
1/32" for material thickness greater than or equal to 1/8" but less than or equal to 5/8".
c.
1/16" for material thicknese greater than S/8".
3 Tight adhering spatter not removable by standard welding hand tools is acceptable if it does not interfere with other sonstruction.
h.
Craters are acceptable, provided the portion of the fillet weld with the craters is discarded in the length determination. Also, ersters that do not violate specified throat thickness are acceptable.
4 1.
Nicks, gouges, grinder or hammer marks are acceptable if there are no cracks and if their depth in the base material does not escoed the following:
a.
Ten percent of the base material thickness for material thickness less than 1/8".
b.
1/32" for material thickness greater than or equal to 1/8" but less than or equal to S/8".
c.
1/16" for material thickness greater than 5/8" but less than or equal to 2".
d.
1/8" for material thickness greater than 2".
J.
Concavity shall not be cause for rejection provided the specified minimum throat sise is not violated.
t 4-3b a
b
SARGENT O LUN3Y ENOL %EE%O L.2790 And. 42,11-09-34 (7
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401.20 Attachments to Non-Safety Related and Safety Related Partition Amd. 2t Walls shall conform to the following requirements:
a.
Attachments to non-safety related and safety related concrete and masonry partition walls will NOT BE PERMITTED when the following control signs have been placed on a single wall or on a wall within a room.
al. Control Signs Placed on a Single Wall NOTICE THIS WALL HAS BEEN AS SUILT NO ADDITIONAL ATTACHHENT WITHOUT APPROVAL a2. Control Signs Placed on a Wall Within a Room:
NOTICE ALL WALLS IN THIS ROOM HAVE BEEN AS BUILT 4
>I NO ADDITIONAL ATTACHMENT WITHOUT APPROVAL
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a b.
When a control sign has been placed on a single partition wall.
i or on a vall within room, the following shall apply:
bl. Additional attachments will NOT BE PERMITTED without prior approval f rom the Consulting Engineers.
b2. Attachments cannot be removed, relocated, or modified without prior approval from the Consulting Engineers.
c.
Approval from the Consulting Engineers shall be requested by completing the Component Support (Attachment) Request Form PI-38-35.2. Af ter reviewing the request, the consulting Engineers will indicate approval or rejection on the request form and return the form to Contractor.
d.
Contractor shall furnish all the requested information on the Component Suppport (Attachmant) Pequest Form and per the following s d!. Component Support (Attachment) Request Form *. lumber. Contracter shall contact the Consulting Engineers who will assign the request an identificatian number.
d2.
Type The attachment type indicated on the Consulting Engineers' Electrical or Mechanical Design Drawinge.
d3.
Weight The dead' load,(self weight) of the attachment.
4-3c Aad.42
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SARGENT O LUN~.;Y aNSINEEne L.2790 And. 42,11-09-34 '
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Manger 1.D. Number The hanger number indicated on the And.26 l1 Consulting gagineers' Nechanical Design Drawings. Per hengers ehich s
are not indicated on the Cenaulting Engineers' Mechanical Design Drawings.
l Contractor can use his own I.D. number.
d5.
Eccentricity The distance in inches from the face "E"
of the well to the conter of the
,g applied load "P".
d6.
Applied Load The applied dead load in pounds "P"
supported by the attachment.
L, 401.21 Core drilling of openings shall confors to the following:
And.30
,t s.
Core drilling of openings not indicated on the design drawings i,
will NOT BE PgAMITTgD without prior approval of the Consulting l
gngineers. Approval of the Consulting Engineers shall be l-obtained using the Core Drill Request form P1-33-37.1, or stallar j
form approved by the Consulting gngineers. A request form shall he required for cora drilling of openings passing completely through concrete er assonry elements and for core drilling l li l
of openings which do not pass completely through concrete elements
[,,'
(e.g., holes required for anchor bolts, reinforcing dowels).
I,.
b.
Revision or deletion of a previously approved core drill request shall be forwarded to the Censulting Engineers using a separate core drill request form. The new core drill request form shall reference the superseded core drill request form number.
c.
Coring of openings shall be reported to Purchaser using the Core Mole Cut Rebar Report - Fora F1-53-37.2. This fore shall be completed for coring of openings, even if reinforcing steel has not been cut. The cut reber report shall be forwarded to Pur-l chaser within two weeks af ter work is completed. The cut reber l
report numbers shall be assigned in sequential order by Contractor.
402.
DETAtt.ED SPECIFICATIONS i
the Work to be done by Contractor is outlined below, but it is l
not intended that this listing is all inclusive.
402.1 Turbine-Cenerators Turbine-Driven Steam Generator Feed Pumps and Exciter Utiitst a.
The two (2) turbine generators, including the excitation equipment, excitation control cubicles, hydrogen equipment, stator cooling equipment, bushings current transformers, the four (two per Unit) turbine-driven steam generator feed pumps and the various motor-driven auxiliaries will be installed by others. All of the associated internal wiring on this equipment will be installed by others and terminated either within the eqyipsent or in terminal boxes sounted on the equipment. This Contractor shall install all external cable and any conduit necessary to and frois this equipment.
4 3d And.42
-s SARGENT Q LUN3Y L-2790' sNSINEEne emeae And. 42,11-09-34
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b.
The Contractor shall install the neutral enclosure, interconnect the neutral bushings and install and terminate bue duct from the two (one per unit) grounding transformers to terminal within each neutral enclosure.
402.2 Generator leolated Phase sus Structure and Accessories (Total two, one per Unit):
a.
The terminals of each generator will be connected through 33.000 ampere. 25.000 volt fprced air, isolated phase buses to the following al.
Main power transformers.
a2.
Unit Auxiliary Transformers.
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4-3e Aad.42 L
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CARGENT O LUNCY aNa:Neame L-2790 Aed. 42,11-09-34
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Each distribution center will be furnished, assembled and wired and will consist of hand operated circuit breakers, de starters, and instruments with necessary buses in a self-supporties steel enclo-Contractor shall install the distributies senters and the sure.
cables.
402.19 Diesel Engine-Driven Generator Sete: The installation of the four (4) (two per Unit) diesel generator units will be done by othere.
Nowever, this Contractor shall install the electrical connections, set the engine and generator control panels, and aske all secessary adjustments on the electrical equipment required for satisfactory operation.
I 402.20 Cable Fans:
Galvanised cable pans with covers and hangers will be furnished, a.
complete with plates, bolte and note, by purchaser and shall be field assembled, installed and connected in accordance with standard i,
STD-E8-702 by the Centractor. Any cutting, drilling and fitting of l
the sable pan sectione, where necessary to souplete the sable pan l.
systen, shall be done by this Centracter. It shall be the Centrac-tor's responalbility to clean the pans and keep thee clean and to remove any burre or sharp projections within the pans before the installation of the sables,,which eight desage the sable. Centractor shall also provide any temporary protection to protect the pane and (s
cables during construction. Contractor shalt touch up sable pane and.
i hangers after cutting or dettling with Galv-Weld, or with an approved sine touch-up stick, per Fore 1895. If field alterations to eable Aed.1 pan sections are required, cutting shall not be done with torch.
l Contractor shall furnish and insta11 elecellaneous sable pan eupport-ing steel as required. Contractor shall make all ground eennections to the cable pane including juepers across all ineuteted sliding or open joints in the cable pan systen and the connected equipeent.
b.
The Contractor shall stencil the pan routing numbers on the cable pans which would be shown on cable pan Drawings.
Rech cable pan routing point will be seeigned an identification c.
number which will be applied to the sides of the cable pan at the appropriate location. This identification number will reflect the segregation code of the pan section and will be color coded.
It will also reflect the Unit of the Station in which the pan to installed.
d.
Cable pan supporte attached to strip embedsent plates (6" or 9" Amd.4:
width), the Contractor shall be responalble for maintainingt dt. Centerline of attachment to be 6" or more from the end of the plate.
d2. Minisun of 12" C-C distance from any other cable pan support and/or any large bore Q 2-1/2 dia.) piping support on the ease embedsent plate.
4-15
0 CACGENT & LUNDY ENG1NEEns L-2790 cmcaso Aed. 42, 11-09-84
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402.21 Conduit, Mangers, Fittings and Junction Boxes for Power, Control and Instrument Cablet s.
Contractor shall furnish and install all rigid steel conduit and tubing, all flexible conduit and exposed "transite" conduit in ac-cordance with Sergent & Lundy STD-ES-148 Conduit & Miscellaneous Electrical Equipment specifications, except thatt B
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n 4-15a
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