ML17325B102

Revised Proposed Tech Spec Page 3/4 6-27,reflecting Deletion of Ice Condenser Flow Passage Insps

ML17325B102
Person / Time
Site:	Cook
Issue date:	01/10/1989
From:	INDIANA MICHIGAN POWER CO. (FORMERLY INDIANA & MICHIG
To:
Shared Package
ML17325B101	List: ML17325B099 ML17325B102
References
NUDOCS 8901190052
Download: ML17325B102 (2)

Text

ATTACHMENT TO AEP:NRC:0967M REVISED TECHNICAL SPECIFICATION PAGE 3/4 6-27 8q01i90052 gqOii0 85000Si5

>>R ggOCK o @AU p

S U ITS Continued>

shal,l .,e consti"uted of one bas~et each from Radial Rows 2, 4, 6. 8 and 9 (or rom he same ro'w of an adjacent bay if a basket from a designated row cannot be obtained for weighing} within each bay. Ef anv basket is found to contain less than 1220 pounds of ice, a representative sample of 20 additional baskets from the same bay shall be wei,ghed. The minimum average weight of ice from the 20 additional baskets and the discrepant basket shall not be less than 1220 pounds/

basket at a 954 level of. confidence.

The ice condenser shall also be subdivided into 3 groups of baskets, as follows: Group 1 - bays 1 through 8, Group 2 bays 9 through 16, and Group 3 - bays 17 through 24. The minimum average ice weight of the sample baskets from Radial Rows 1, 2, 4, 6, 8 and 9 in each group shall not be less than 1220 pounds/basket at a 95% level of confidence.

The minimum total ice condenser ice weight ar, a 95% level of confidence shall be calculated using all ice basket weights determined during this weighing program and shall not be less than 2,371,450 pounds.~ *

3. Verifying, by a visual inspection of a" least two flow passages per ice condenser bay, that the accumulation of frost or ice on flow passages between ice baskets, past lattice frames, through, the i,ntermediate and top deck floor grating, or past the lower inlet plenum support structures and turning vanes is restricted to a nominal thickness of 3/8 inches. If one flow passage per bay is found to have an accumulation of frost or ice greater than this thickness, a representative sample of 20 additional flow passages from the same bay shall be visually inspected. If these addi.tional flow passages are found acceptable, the surveillance program may proceed considering the single deficiency as unique and acceptable. More than one restricted flow passage per bay is evidence of abnormal degradation of the ice condenser.*

C. At least once per 40 months by lifting and visually inspecting the accessible portions of at lease, two ice baskets from each 1/3 of the ice condenser and verifying that the ice baskets are free of detrimental structural wear, cracks, corrosion nr other damage.

The ice baskets shall be raised at least 12 feet for thi.s inspection.

• The provisions of Specification 4.0.,6 are applicable.

• " The provisions of specification 4.0.7 are applicable-

0. C. COOK - UNIT 1 3/4 6-27 Amendment No.