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OV _ APPENDIX SE

. LINER PLATE SPECIFICATION

1.0 SCOPE OF WORK

1.1 GENERAL

The Reactor Building for the Three Mile Island Plant - Unit 1 of the Met-repolitan Edison Ccapany will be a steel lined concrete shell in the femof a vertical right cylinder with an ellipsoidal dcme and flat base. Theconcrete thickness vill be 3 ft 6 in. for the cylindrical valls and 3 ftfor the dcme.

The work to be perfomed under this contract shall include the furnishing,fabrication, delivery, unloading, storage as necessary, erection and testingof the steel liner and penetrations , cceplete, all as specified herein and/oras shown on the Drawings.

The Contractor shall be responsible for erecting a leak tignt liner. Thedegree of leak tightness shall ensure a containment leak rate of no greaterthan 0.2 per :ent by weight of contained air in 24 hours at 55 psig. TheContractor shall be fully responsible for designing liner reinforcementadequate to resist all erection loads including those additional erectionloads specified herein excluding thosa erection loads resulting frem usingthe liner as a fors for concrete work. The Contractor shall also be respon-sible for properly fabricating a liner which vill be an element of the ecm-gosite steel and concrete shell. The structural design of the personnellocks and that portion of the equipment access door extending beyond thereinforced concrete shell shall be this Contractor's responsittlity. Detaileddesign of remaining penetrations vill be made in collaboration with the Engine

1.2 WORK INCLUDED

The work shall include but not necessarily be limited to the following:

a. Detailed design of:

1. All penetrations including electrical, mechanical, equipment andpersonnel access, and fuel transfer penetrations in collaboraticwith the Engineer based upon the parameters specified hereinafteand/or as shown on the Drawings, exapt that this Contractor sba

, be totally responsible for the structural design of the personne! locks and that portion of the equipment access door extending

beyond the reinforced concrete shell.

2. Liner reinforce =ent about openings.1

3. Reinforcement to resist all erection loads except concrete |placement. '

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b. Preparation of shop details and erection drawings for the liner >

and penetrations.

Furnishing, fabricating, erecting, and testing the following:c.

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1. Liner main shell including cylindrical vallc, dome, and flatbas e .

2. One equipment access hatch with a minimum insice diameter of22 ft k in.

3. Two personnel air locks with a minimum inside diameter of 8 ft6 in. One of these personnel hatches shall be mounted in theequipnent access hatch. The air lock in the equiptent accesshatch shall measure 15 ft frca door to door. The personnelaccess air lock shall measure 9 ft frem door to door. Doorsshall be pressure seated type 3 ft 6 in. by 6 ft 8 in, andprovision shall be made to test between doors at 63.3 psig.

4 Mechanical, electrical, and fuel transfer penetrations.d. Performing all quality centrol measures and preliminary tests as

specified hereinafter.

Painting the liner with one coat of primer except the underside ofe.bottan plate which need not be painted.

Of. Designing reinforcement and performing all work for required tem-porary access openings.

1.3 WORK NOT INCLUDED

Associated work not included under this contract is as follows:a. Concrete work.

b. Furnishing or erecting backup bars embedded in the concrete basemat. Basement will be sloped for adequate drainage.

c. Finish painting of the liner.

2.0 DESIGN REQUIREMENTS

2.1 CODES AND REGUIATICNS

| Except as noted hereinafter the selection of materials , details of fabrication,and workmanship shall confor= to the requirements c' the Nuclear Vessels Codefor Class 3 Vessels. The centainment liner and penetrations shall conformin all respects to the applicable sections of ASA N 6.2-1965, " Safety Standardfor Design, Fabrication and Maintenance of Steel Containment Structures forStationary Nuclear Pcver Reactors." The personnel locks and that portion of:

| the equipment access door extending beyond the reinforced concrete shell shallconfom in all respects te the requirements of the Nuclear Vessels Code forCode for Class B Vessels.

3:e n, gog MS5E-2 (Revised 1-8-68)

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A 2.2 TECHNICAL PARAMETERS -

|The technical conditions applicable to the ecmplete containment vessel|

are as follows:'

Vessel inside diameter 130 ft )Tangent length 157 ftElipsoidal Dme a) Short Radius 20.5 ft ib) Long Radius 110 ft iDesign pressure 55 psig |Design temperature 281 F j

Operating pressure, range +1.to -1 psig jOperating temperature, range iInside Vessel +90 to 120 F l

Outside Vessel -5 to 100 FDesign vacuum 2.5 psigLiner leak rate 8 55 psig 0.2 %/24 hours

2.3 CYLINDER REINFORCD4ENT

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The outside valls shall be reinforced on the outside f ace so as to support ;the dead load of the liner plus erection, vind, and sucv loads. j

i2.4 CPENING REINFORCIMDIT

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The liner shall be reinforced about all openings in accordance with theUnfired Pressure Vessels Code (i.e. , by replacing cut out area of 3.8 in.liner plate).

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25 PLATE THICICE.SS

T1.e steel plate for the main shell including the cylindrical valls and thedcr:e but excluding specially reinforced areas shall be 3/8 inches thick.

Tbs steel plate for the containment base liner including the pits and stanpashall be a mini =um thickness of 1/k inches.

2.6 ENGINEER'S REVIEW

The Contractor shall submit design calculations and detail drawings to theEngineer for raview and record prior to initiating fabrication. Reviewand/or approval of infomation submitted to the Engineer shall not relievethe Contractor of any responsibility for design, fabrication, erection, andtesting as herein specified.

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3.0 MATERIAIS

3.1 MAIN SHELLi

! Steel plate fer the nain shell including the dme, cylindrical valls , andi base shall confom to " Specification for Structural Steel (Tentative)," |

ASTM A 36-66T or to " Specification for Lov and Intemediate Tensile Strength |

Carbon Steel Plates of Structural Quality," ASTM A 283-63, Grade C. Rolledp sections including test channels and stiffeners shall confom to "Specifi-

( (/ cation for Structural Steel," ASTM A 36-66T. |*

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3.2 PENETRATIONS

The materials for penetrations including the personnel and equipment accesshatches :.r. well as the mechanical and electrical penetrations shall confomwith the requirements of the ASME Uuclear Vessels Code for Class "B" Vesselsand shall exhibit ductility and velding characteristics ccupatible with themain shell naterial. The selection of materials for penetrations shan con-sider a lowest service =etal temperature of 90 F vithin containment and -5..Fvithout contain=ent.

All materials for penetrations shall exhibit impact properties as requiredfor Class "3'' Vessels . The materials for penetrations shan be carbon steelexcept as otherwise specified herein or shown on the Drawings.

h.0 WELDING

h.1 GENERAL

The qualification of velding procedures and welders shall be in accordancewith Section IX " Welding Qualifications" of the ASME Boiler and PressureVessel Code. The repair of defective velds shan be in accordance withParagraph N-528 of the ASME Nuclear Vessels Code. The Contractor shallsubmit velding procedures to the Engineer for review. Review and/or approvalof procedures does not relieve the Contractor of welding responsibility.

h.2 QUALITY CONTROL

Longitudinal and circumferential velded joints within the main shell, the i

velded joint connecting the dome to the cylindrical side van: . and any '

velded joints within the dcme shan be inspected by the liquid penetr:.atmethod and spot radiegraphy, all as hereinafter specified. All penetrationsincluding the equipment access door and the personnel locks shan be examinedin accordance with the requirements of the ASME Nuclear Vessels Code for Class"B" Vessels. An other shcp fabricated ccmponents including the reinforcementabout openings shall be fully radiographed. All other joint details shallbe examined by the liquid penetrant method.

Full radiography shall be in accordance v'.th the procedure and governed by theacceptability standards of Paragraph N-62u of the ASME Nuclear Vessels Code.Spot radiography shall be in accordance with the procedures and governed bythe acceptability standards of Paragraph UW-52 of the ASME Unfired PressureVessels Code except that 2 percent of the velds shan be spot radiographed.

Methods for liquid penetrant examination shall be in accordance with Appendix| VIII of the ASME Unfired Pressure Vessels Code except that 20 percent of

the velds shall be tested by liquid penetrant.50 TEST CHANNEIS

Steel channels shan be provided along all veld seams which will be inaccessiblewhen all construction is ccmpleted. The channels shall be segmented so as toensure no length of veld covered by any one channel segment exceeding the

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greatest dimension of one plate. One fitting shall be provided in eachchannel segment and shall extend through any covering =aterial includingconcrete, and be plugged. The fittings on the base shall K rotectedby sleeves at the base veld to ensure no veld failure during placing ofconcrete. All test channels shall be located on the face of the linerinside containment. Steel angles shall also be installed to cover pen-etration sleeve to liner plate velds.

6.0 F.'.RECTION TOLERANCES

Erection tolerances snall be as follows :

a. Overan out of roundness - 3 in.

b. Deviation frcm round in 10 ft - 1-1/2 in. except at seams.

c. Overall deviation frem a plumb line - !3 in.

d. Deviation frca line between tangent points - at cylinder to dmetransition and base to cylinder transition - t3 in.

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Shell plate edges shan butt for a minimum of 75 per cent of van ie.

thickness. i

Tolerances for all penetrations shan be as specified under Section 7 2 ofthis Specification. These tolerances shall be maintained in the finalerected position.

7.0 PENETRATION AND OPENINGS

7.1 EQUIPMENT AND PERSONNEL ACCESS HATCHES

The following shall apply to both the equipment and personnel openings inthe containment liner:

All flanged joints chall be designed in such a manner that a doublea.gasketed seal can be employed as a seal. This seal shall be capableof being pressurized between seals to 60.5 psig during accidentconditions,

b. The material used in the construction of the openings shall be e m-patible with the liner =aterial metallurgical characteristics,

c. The personnel opening doors shall be interlocked to prevent bothbeing opened simultaneously. Interlockr shall be so connected thatone door must be ecmpletely closed before the opposite door can beopened.

d. For the personnel openings , remote indication shall be provided to |show position of the interleck mechanisms and the far door. |

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e. Provisions in personnel locks shall be provided to acccamodate an |interior lighting system provided by the Owner, which will be capabl |

s of operating frem the Cvner's emergency pcver supply.

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f. Provisions in personnel locks shall be provided to accommodate anemergency ecemunication system provided by the Owner.

g. Provisions on personnel locks shall be provided to permit bypassing I

the door interlocking system to allow doors to be left open whenplant is shutdown.

h. The floor system of the personnel. locks shall be designed en thatthey can be easily removed.

1. The personnel locks shall be designed, fabricated, tested, andstamped in accordance with the ASME Nuclear Vessels Code as Class"3" Vessels.

J. The personnel locks shall be designed to be capable of testing to63.3 psis in the interspace between dcors.

k. All personnel lock hinges shall be capable of a three-dimensionaladjustment to assist proper seating. Hinges shall be capable ofindependent adjustment.

1. All seals , gaskets , 0-rings , or other seating materials shall besuitable to withstand design temperature conditions ,

Personnel lock equalizing valves shall be of the quick-acting type.m.

Vendor shall quote as an alternate extra design, fabrication, andn.attaching supports complete with wheels for the r sovable section

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of the equipment hatch. Provisions for jack screws for levelingshall also be pr ovided.

7.2 MECHANICAL PENETPATION

The following shall apply to the fabrication and testing of all penetrations :

Details for mechanical penetrations shall be as shown on designa.drawings.

b. For bidding purposes provision shall be made for a minimum of 1/4in. axial movement of all pipes inserted into penetrations. Expan-

| sion requirements shall be as shown on design drawings.t

! The penetration material shall be ecmpatible with liner materials.c.I

d. Where ther=al insulation is required, the material shall be " Uni-bestos." Specification for insulation shall be suhitted to theEngineer for review and ccament.

( All pipe insertions shall be Schedule 80 except as noted on thee.! " Penetration List" or subsequent lists .

f. All bellows , expansion joints , gaskets , canopies , protectors , or gother flexible member to be designed for a minimum of 250 cycles yfor the movement associated with each penetration.

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g. The locations of penetrations with regard to azimuth location

shall be within +1/2 in. measured on the circular section. They

horizontal and vertical dimensions associated with the radialdimensien shall be +1/2 in, for all pipe lines.

h. All penetrations shall be installed in the respective platesections prior to testing.

i. All =echanical penetrations shall have double barriers designedfor pressurization with air to 63.3 psig for leak testing and 60.5psig during accident conditions.

7.3 ELEC"'RICAL PENETRATIONS

All electrical penetrations shall be designed as follows :

Penetration cartridges shall be supplied and installed in thea.penetratien sleeves by the Centractor,

b. The penetration sleeves to acccmmodate the aforementioned cartridgesshall be 12 in., Schedule 80 carbon steel pipe. Penetration sleevesshall be shop velded to the liner plate.

DELE'2ED

f. The weight of the liner cartridges vill not exceed 250 lbs.

g. All penetrations shall be designed to be pressurized with airto 60.5 psig during accident conditions. All Joints shall besoap bubble tested and freon sniff tested in the same =anneras noted under Section 7.4 of this Specification.

7.k PENETRATION SHOP TESTING - MECHANICAL AND ELECTRICAL

The following tests shall be applied to all penetrations :

a. A prcof test shall be applied to eacL penetraticn which villpressurice the penetration annulus to 63.3 psig. The pressure |shall be reduced to 55 psig and held at this pressure to soapbubble and sniff test all velds and mated surfaces. If leaksare found, they shall be repaired and retested; this procedure

(q,) shall be fcileved until no leaks exist. Tests to be conductedin accordance with Section 7.4, b of this Specification.

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!}| 'y{ 5E-7 (Revised 1-8-68) ,

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Ob. Local tests to be conducted in accordance with " Proposed Standard

for Leak Rate Testing of Containment Structures for Nuclear Reactors ,"ANS 7.60, Appendix A.

Purchaser reserves the right to witness shop tests and shall bec.! notified at least two weeks in advance of all shop tests.

75 PENETRATION APPURTENANCES

The following shall apply to all penetrations :

Reinforcing shall be. designed to support penetration in liner fora.shop testing, shipping, and field erection,

b. All bellows shall be fabricated frcm stainless steel havin6 metal-lurgical characteristics compatible with mechanical design require-nents. Bellows are to be suitably protected against field damageand vill remain as part of the pemanent installation.

7.6 SPECIAL PENETRATIONS

Two penetrations requiring special attention are the " Containment Supply andExhaust Purge Ducts" noted in the Penetration List. The following additionalrequirements are imposed on these penetrations :

Fomed heads shall be supplied with the penetration and shall bea.suitable for use during liner tests.

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b. Each penetration shall be provided with two test connections, notless than 1/4 in.. pipe size, to test both pipe and annulus spaces.

Mechanical spares as so designated in the Penetration List, shallc.have both ends of the sleeves capped. The outside cap (concreteside) shall be equipped with a test connection no less than 1/4 in.pipe size. Unless otherwise stated, all spare sleeves shall be12 inch diameter, schedule 80 pipe.

7.7 FUEL TRANSFER PENETRATION

The fuel penetration shall be as detailed on the Drawings. The pipe insertionvill be supplied by others. The tolerance on location and orientatica shallbe as shown on the Drawings.

8.0 PRELIMINARY TESTS

All testing as hereinafter described shall be performed by this Contractor.These tests shall include the following:

All veld seams on the base, pits , and between penetration sleevesa.and liner plate and any additional veld seams which are coveredby steel test channels shall be examined by detecting leaks at

h| 63.3 psig using a mixture of air and freon. For the freon test all'

exposed seams shall be checked with a halogen leak detector and100 per cent of detectable leaks corrected. The tests on veldsshall be conducted in accordance with those set forth in Section7.h of this Specification.

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p b. All veld seams not covered with test channels shall be tested usingv a soap film and vacuum box. The pressure differential shan not be

less than h psig. The rate of inspection shall not exceed two feetof veld per minute. The box shall overlap a minimum of six inchesover the previously tested section. All detectable leaks shall becorrected.

Embedded test connections shan bear metal stamped identificationc.tags fi2. ly affixed and referenced on drawings to test channelsection to which it is attached. All other test connections vill -

be dimensioned on "as built" drawings. Any field changes vill besubj ect to Engineer's approval and shall be kept current and re-vised drawings issued at ccupletion of erection. l

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d. The Contractor shall provide adequate documentation for all tests|and submit copies of such documentation in triplicate.

9.0 PAUTEG

The steel surfaces shall be cleaned as specified in either SSPC-SP 6-63"Ccmmercial Blast Cleaning," or SSPC-SP 8-63, " Pickling" except that thepickling procedure shall be modified as specified hereinafter. The pickling '

procedure shall consist of i=mersion of steel surfaces in 5 to 10 per cent Isulfuric acid solution at 160 ? to 180 F to remove rust and mill scale. The i

steel shan be thoroughly rinsed with fresh water. Precautions include i

elimination of any phosphate treatment or alkali treatment which may be usedfor hot dip galvanizing. 'Ihe acid bath shan be periodically regeneratedto control black smut contamination and the fresh water bath shall be con-~

tinuously regenerated.%

As soon as practicable after the steel is cleaned, all interior surfaces i

of the cylinder and done, except prepared edges that must be field velded,shall be sprayed with one coat of Carbozine #11 Gray as manufactured bythe Carboline Ccmpany. The dry film thickness of the paint at any pointshall not be less than 2 5 mils. After field erection the unpainted surfacesand any surfaco which have been damaged during shipment or erection shall I

be cleaned in accordance with SSPC-SP 6-63 or as otherwise approved by the lpaint manufacturer and shall be coated as hereinbefore specified. AllCarbozine #11 shall be applied in accordance with the manufacturer's printedinstructions.

As soon as practicable after the steel is cleaned all surfaces except thejinterior of the cylinder and dcme the underside of the base liner and preparec i

edges that must be field welded shall be primed with one coat of paint con- |

forming with Federal Specification TT-P-6h5A,'" Primer, Zine Chremate Alkyd." |

The dry film thickness of the paint at any point shall not be less than 15mils. After field erection the unpainted surfaces and any surfaces whichhave been damaged during shipment or erecting shall be cleaned in accordancewith SSPC-SP 3-63 " Power Tool Cleaning" and primed as hereinbefore specified. |

All paint shall be applied in accordance with SSPC-PA 1-6h, " Shop, Fieldand Maintenance Painting."

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! 10.0 MATERIAL DAMAG1!Si

All materials shall be carefully handled so that members or parts whichhave becae damaged since fabrice. tion shall be straightened by methods which'

; vill not produce fracture or other injury, and without heating unless approved{ in writing by the Engineer. Any = embers which are so dama6ed that it is in-

advisable to correct them in the field shall be replaced with new members.Hammering which will injure or distort the members will not be permitted.

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