ML19206A792

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Tube Sides of Intermediate Closed Cooling Water Heat Exchangers Have Been Modified to Conform to Seismic Category I Requirements.Design Mods Encl
ML19206A792
Person / Time
Site: Crane 
Issue date: 03/29/1978
From: Herbein J
Metropolitan Edison Co
To: Varga S
Office of Nuclear Reactor Regulation
References
TASK-TF, TASK-TMR GQL-0548, GQL-548, NUDOCS 7904210384
Download: ML19206A792 (4)


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Not Applicable f.

Steam and Feedwater Systems (1) The portions of the main steam systen and feedwater and condensate system exrending from and including the secondary side of stea=

generators including the outermost contain=ent isolation valves.

These include the associated piping, piping penetrations and valves such as main steam relief valves and isolation valves.

g.

Cooling Water, Component Cooling and E=ergency Feedsater Systems (1) Decay Heat Closed Cooling Water Systems including:

Surge Tanks, pumps, heat exchangers, process and instrument piping and valves.

(2) Nuclear Services Closed Cooling Water System including:

Pu=ps, heat exchangers, process and instrument piping and valves, surge tank (Portion required to cool the coolant pump motor air cooler and bearing oil coolers is Class II, see 3.2.1.1.4 for discussion).

(3) Nuclear Services Riv>J Water System including:

55 River Water pumps, Control Building and Service Building R.W. booster pumps, traveling screens and trash racks, strainers, process and instru=ent piping and valves, Mechanical Draft Cooling Tower pump pits and seal well.

(4) Reactor Building Emergency Cooling Syste= inc1" ding:

R.3. E=ergency Cooling booster pu=ps, process and instrument piping and valves.

(5) Steam Generator Emer3ency Feedwater System including:

Pumps, piping, condensate storage tanks, steam generator pressure and level indicators, emergency feedwater conttol valves (6)

Intermediate Closed Cooling Water System including:

Intermediate Closed Coolers (Tube side only Remainder of systen is Seismic II).

Ca>linc and Seal 5:2ter Sesters for Reactar Caolan ? umps (1) ?!ake-up and ?uritica:ica System as descri;ed in c.1 L7 4

., 4. 4 3,;_a 6-i.

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TABLE 9.2-6 INTERMEDIATE C'.0 SED COOLING '.JATER SYSTEM PERFOR".CCE A'!D EC'JIPMENT DATA.

Performance Data Number of Intermediate Closed Cooling Water Pu=ps 2

Number of Pu=ps Normally Operating 1

790 Design flow, gp=

Nu.ber of Coolers 2

Number of Coolers Normally Cperating 1

6 Design Heat Removal Require:enta, Stu/h per cooler 19.1 x 10 l

System Piping Design Code ANSI B31.1.0 Ecuiceent Data Intermediate Closed Coolf.ng Water Punos Nu=ber 2

Type Centrifugal Rated Capacity, gps 830 Ra t ed H1ad, f t., H,0 250 Mo tor Horsepower, Ep 75 Casing Material CS Design Pressure, psig 175 Design Temperature, F 225 Intermediate Closed Coolers Number 2

Type Shell & Tube Rated Flav, Shell/ Tube, gp:

790/1300,

Rated Capacity, Stu/h 19.1 x 10 Intermediate Cooling Water Inlet Teup., F 148.5 Inter =ediate Cooling Water Outlet Te=p., F 99.8 Nuclear Services River Water Inlet Temp.,F 85 Nuclear Services River Water Outlet Temp., F 114 Code ASME Section VIII l

Seismic Class (Tube side /Shell side)

I/II Surze Tark Volume, gals 375 l'aterial CS Design Pressure, psig Atmospheric D2 sign Temperature, 200 r

Code / Class AWWA/D-100 Contral Rod Dri/c Filter

. amber 2

Desi;r Ficu Race, ;rr 140 C c~. e ASME See: ice 'i:1I l

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