ML20210T360

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Forwards Accident Analysis Branch First Round Questions,Per 740916 Site Visit.Review of Tornado Missile Analysis & Dual Containment Design Not Yet Complete.Site Ownership Significant Problem.Util Plans to Obtain Casement
ML20210T360
Person / Time
Site: Satsop
Issue date: 10/03/1974
From: Harold Denton
US ATOMIC ENERGY COMMISSION (AEC)
To: Deyoung R
US ATOMIC ENERGY COMMISSION (AEC)
References
CON-WNP-1809 NUDOCS 8605300086
Download: ML20210T360 (6)
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Esalosed are the first round questions on WPPSS 3 & 5, from the Acaident Analysie Bramsh. These questions were discussed with the applicant during the site visit on September 16, 1974. The l

review of the applicant's tornado missile analysis and dual I

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The meet sisaifiaant prohlas concerning the WFPSS 3 & 3 Aits in the AAB review area is the question of site ownership.

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within the exclusion area. Insteed, they plan to obtain easements from the present owners who include three lumber s,

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- ACCIDENT ANALYSIS P, RANCH 310.1 With respect to the requirement.a of 10 CFR Part 100, Section (2.1.2) 100.3(a), the PSAR states that all land within the designated exclusion area is not, at the present time, owned by the applicant. To establish acceptability of the designated exclusion area, the following information must be sub=itted for our review:

(1) State how you will obtain the authority required under Section 100.3(a) for the land within the exclusion area owned by the State of Washington.

(2) For those areas indicated as not owned by the applicant, specify the current owners, indicating whether the areas are owned privately or whether they are publicly owned lands.

(3)

If options to purchase are held, state the date by which such options must be exercised and provide a commitment to exercise the options by the required date.

(4)

In connection with lands within the exclusion area which you will not own and which you plan to obtain the appropriate easements, provide the following:

(a) Describe the nature and extent of the timber farming activities to be carried out within the exclusion area including the approximate number of persons who will be within the exclusion area at any time in connection with timber harvesting or other duties and the approximate length of time such persons would be within the exclusion area.

(b) State the basis for your specific authority to refuse permission or to remove persons from these non-owned lands.

(c) State your intentions concerning the purchase of the mineral rights on these non-owned lands.

If you do not purchase the mineral rights on these non-owned lands, describe the basis on which you can conclude that the authority required by Section 100.3(a) will be satisfied.

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(d)

Submit copies of all executed agreements granting to Applicant the described easements on the non-owned lands.

(5) Discuss accessibility and recreational use of the exclusion area by members of the public (e.g., campers, hunters).

If such activities will be permitted, provide details on accessibility and use controls.

310.2 The ownership status of the land within the exclusion area, (2.1.2).

shown in Figure 2.1-2, is not clearly defined. Revise the figure to clearly show (1) the property presentJy owned by WPPSS, (2) the property presently owned by otheis, (3) the-property to be acquired by WPPSS, and (4) the pioperty to be covered by easements.

310.3 Provide a figure (other than the one used to sh)w the site (2.1.2) ownership) which clearly shows the exclusion araa boundary, the location and identification of principal plant structures and transportation routes in the nearby vicinier of the site (e.g., Grays Harbor County Road). Predominant :opographical features and contour lines should be shown but tot to the extent that they detract from the other information presented.

310.4 It is stated that the non-resident population in Grays Harbor (2.1.3)

County during the summer months is one and one-half times as large as the resident population due to seasonti transients.

Provide a table which shows the current and proje:ted seasonal transient population in Grays Harbor County over :he lifetime of the plant and the location of the transients in relation to the site.

310.5 Provide a table which shows the peak daily as well as (2.1.3) seasonal, if any, transient population within the low population Zone.

310.6 Provide a table which lists the industries within about 5 miles of the site along with a short description of each industry, the number of employees, and the distance and direction from the site.

310.7 Discuss the proposed expansion of the Elma Airport. Provide (2.2.2) the date when it is anticipated that this expansion will take place and the type, speed, and weight of the aircraft expected to use the airport. Also, describe the orientation of the Elma runway and the landing patterns in relation to the site.

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310.8 Provide an evaluation of the plant's capacity to withstand (2.2.3) an aircraft collision specifying the weight and speed of aircraft which the plant as designed could tolerate without adversely affecting the capability of the plant to shutdown safely.

310.9 Provide a figure which shows the airways within 10 miles of (2.2.2) the site and give the number of flights by aircraft type over each of the routes.

310.10 Provide an evaluation of a propane tank car accident on the (2.2.3) railroad one mile north of the site. Consider an accidental release of a tank car of propane with no immediate fire or explosion and determine the extent of the vapor cloud and the gas concentrations which may reach the site under accident meteorology conditions.

310.11 In reference to Table 3.5-5, provide a separate listing of (3.5.2) high trajectory missile (HTM) strike probabilities with respect to turbine missiles from each turbine unit.

310.32 In Table. 6.2.3-1 which shows the comparison of safety-(6.2.3) related air filtration systems with the provisions of Regulatory Guide 1.52, two exceptions are noted with respect to Item 6a-c pertaining to testing criteria. The staff comments on these exceptions are as follows:

(1) The testing of activated carbon for 95% efficiency for trapping methyl iodine will be required at 95%

relative humidity as stated in Table 1, Item Sa, of Regulatory Guide 1.52.

The test is considered to be a qualification test for the charcoal rather than a test of the condition's under which the system will operate.

(2) Retention tests will be required as stated in Table 1, Item Sc, regardless of the latest revision to RDT M16-1T..

310.13 There are several apparent inconsistencies with respect to (6.4) control room leak tightness which need to be clarified.

In Item 7, on p. 6.4-2, it is stated that the test criteria will be 400 cm inflow at 0.25 inch v.g. evacuation while on

p. 6.4-3 it is stated that the control room inicakage will not exceed 50 cfm at -0.25 inch v.g.

In addition, on p. 9.4-4, the total infiltration into the isolated control room is given as less than 20 cfm at 0.25 inch v.g. pressure differ-

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310.14-In'Section 6.4.1.3.1, it is indicated that outside air will

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'(6.4) be brought into the control room at a rate of 3000 cfm.

Hwever, the ec:ergency etitside air flow rate given in ligure 9.4-2 is 6000 cfm. Clairfy the apparent inconsistency.

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