ML20127B900

Rev 3 to Site Insp & Test Procedure W-SITP-12, Backfill & Compaction Insp

ML20127B900
Person / Time
Site:	Waterford
Issue date:	04/19/1976
From:	J.A. JONES CONSTRUCTION CO.
To:
Shared Package
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References
FOIA-84-455 W-SITP-12, NUDOCS 8506220087
Download: ML20127B900 (7)

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- L Procedure No.

W-SITP-12 l

J. A. JONES CONSTRUCTION COMPANY SITE INSPECTION AND TEST PROCEDURE FOR BACKFILL AND COMPACTION INSPECTION s

WATERFORD SES UNIT NO. 3

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.i J. A. JONES CONSTRUCTION COMPANY PAGE 1 0F 4 SITE INSPECTION AND TEST PROCEDURE:

PROCEDURE NO.

W-SITP-12 REV. NO. 3 TITLE: BACKFILL AND COMPACTION INSPECTION DATE: 4-19-76 PROJECT TITL$: WATERFORD SES UNIT NO. 3 CONTRACT No. W3-NY-4 1.0 PURPOSE To specify the inspection and surveillance activities that will be per-formed by J. A. Jones Quality Assurance / Quality Verification personnel to assure that backfill is placed and compacted in accordance with approved drawings, specifications and procedures.

2.0 SCOPE This procedure governs the placing and compaction of backfill material for Waterford SES Unit No. 3, Phase I Concrete Construction.

3.0 DEFINITIONS 3.1 Class "A" fill shall be either sand containing no more than twelve (12) percent material passing a number 200 selve or Pleistocene clay.

3.2 Class "B" fill shall be selected sand, silt, clay, or a combination thereof, selected from the excavation.

33 Location of Class "A" and Class "B" fill shall be as shown on Ebasco Drawing No. LOU-1564.G497 Sol, "ceneral Backfl.II, Plan and Sections".

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4.0 REFERENCES

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4.1 J. A. Jones Construction W rk Procedure, W-WP-12, "Backfilling and o

Compact ion".

4.2 Ebasco Services, Inc. Specification No. LOU-1564.482, " Filter and Backfill".

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4.3 Ebasco Drawing No. LOV-1564-G-490, " Nuclear Plant isTand Structure -

l Construction Sequence."

5.0 RES'PONSIBILITIES 5.1 Ebasco Services, Inc. is responsible for the furnishin'g of all back-fill material and f,or all testing of backfill material and compacted backfill.

5.2 J. A. Jones is responsible for the proper placing and compaction of l

backfill in accordance with approved drawings, specifications and procedures.

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5 J. A. JONES CONSTRUCTION COMPANY PAGE 2 OF 4 SITE INSPECTION AND TEST PROCEDURE:

PROCEDURE NO.

W-SITP-12 REV. NO. 3 TITLE: BACKFILL AND COMPACTION INSPECTION DATE: 4-19-76 PROJECT TITL'E: WATERFORD SES UNIT NO. 3 CONTRACT W3-NY-4 6.0 INSPECTION The assigned Quality Verification inspector (s) shall perform surveillance inspection as required to assure that the requirements listed below are fulfilled.

I 6.1 Material has been determined to be suitable by Ebasco and released to J. A. Jones.

6.2 Backfilling is accomplished in the proper sequence in accordance with Ebasco Drawing No. LOU-1564-G490..

6.3 Base to receive backfill has been properly prepared and compacted to.the density required by Ebasco.

6.4 Sand for Class "A" fill is spread and leveled in layers not exceed-ing 15 inches' prior to compaction.

6'.'5 Clay for Class "A" backfill and material selected from the excavation for Class "B" backfill is placed in layers not exceeding ten inches prior to compaction.

6.6 Fill material is deposited uniformly over entire area being filled to a particular stage or level.

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6.7 When required, fill material shall be disc-harrowed after spreading and before compaction to blend and aerate the material into a tex-ture that can be consolidated into a homogeneous mass by'the com-i paction operations.

l 6.8 Surface of each lift is kept reasonably smooth and free of ridges or grooves which would adversely affect proper compaction of subsequent i

lifts.

6.9 Hauling equipment uses paths different from each other in order to aid compaction of the entire area and to avoid overcompaction of any.given area.

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I J. A. JONES CONSTRUCTION COMPANY PAGE 3 OF 4 SITE INSPECIION AND TEST PROCEDURE:

PROCEDURE NO.

W-SITP-12 REV. NO. 3 TITLE:

BACKFILL AND COMPACTION INSPECTION DATE: 4-19-76 1

PROJECT TITLE:

WATERFORD SES UNIT NO. 3 CONTRACT NO. W3-NY-4 6.10 if area to receive fill is an original excavation, or compacted more than two days previously, surface shall be cleaned of all loose debris and improperly compacted material.

6.11 When two sections of fill join, fill placed first must have its slope shaved a minimum of three feet to expose undisturbed com-pacted material.

i I I 6.12 Compaction is achieved with proper equipment operating and proper speed.

6.13 Compaction is reasonably uniform within any one layer over entire area.

6.14 All layers are compacted to full width.

6.15 in restricted areas, fill does not contain material greater than three, inches in size.

6.16 Reasonable care is taken to protect waterproofing membrane boards.

6.17 Backf!Il placed against waterproofing membrane boards do not con-tain any particle greater than i inch in size.

6.18 No fill is placed during heavy rain or on top of or into a pool of-water.

6.19 Material testing. is properly performed and does not unduly affect progress of work.

6.20 Material has been compacted untII the specified density is obtained and verified by in place density te* ting.

6. 21 Surface of fill areas to be s oped to effect drainage away from building and into site ' drainage pattern.

Low areas to be pumped if required.

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J. A. JONES CONSTRUCTION COMPANY PAGE 4 OF 4 SITE INSPECTION AND TEST PROCEDURE:

PROCEDURE NO.

W-SITP-12 REV. NO. 3 TITLE:

BACKFILL AND COMPACTION INSPECTION DATE: 4-19 76 PROJECT TITLE:

WATERFORD SES UNIT NO. 3 CONTRACT NO. W3-NY-4 7.0 DOCUMENTATION The assigned Quality Verification Inspector (s) documents his surveillance activities by filling out the Daily Backfill inspection Report (Attachment A).

This report shall be filled out for each inspector for each shift and fill location when inspection is performed.

8.0 ATTACHMENTS 8.1 Daily Backfill thspection Report G

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'Revisicn 3 Attachmant A 19 April 1976 J. A. JONES CONSTRUCTION COMPANY WATERFORD UNIT NO. 3 DAILY BACKFILL INSPECTION REPORT Q. V. Inspector Date 1.

Fill Placement Area / Location 2.

Verify Engineer's release for placement and compaction:

4-Ebasco Representative 3

Materials released by Engineer:

Ebasco Representative 4.

Spreading and compaction equipment satisfactory: Yes No 5.

Base to receive fill properly prepared and compacted:

Yes No 6.

Backfilling done in proper sequence:

Yes No 7.

Fill material properly placed and spread:

Yes No 8.

Fill material disc-harrowed, if necessary:

Yes No 9

Surface of each lif t reasonably smooth and free of ridges or grooves:

Yes No 10.

Hauling equipment.using different paths: Yes No l

11.

Surface properly treated: Yes No l

12.

Fill junctions properly treated: Yes No l

13 Layers compacted to full width: Yes No 14.

Fill material not greater than 3 inches in size in restricted areas:

Yes No 15 Waterproofing membrane protected during backfilling operation:

Yes No 16.

Backfill placed against waterproofing membrane contains no particles larger. than i inch:

Yes No 17 No fill placed during heavy rain or on top of or into standing water: Yes No

18. Material testing is properly performed' and does not unduly affect progress of work:

Yes No 19 Comments:

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Revisicn 3 19 April 1976 INSTRUCTION FOR COMPLETING DAILY BACKFILL INSPECTION REPORT

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1.

Area / Location shall be recorded as coordinates from centerline of Reactor Vessel.

2.

Verify Engineer's Release for placement and compaction; have Engineer's representative initial report for this item.

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Verify Engineer's Release of materials; have Engineer',s representative

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Initial report for this item.

4.

Items 4-18 inclusive are self-explanatory and reflect requirements of this procedure J. A. Jones Construction Work Procedure W-WP-12, and Ebasco Specification LOU-1564.482.

5.

If comments are required or further explanation of an item is needed, the comments are to be entered in the space provided (Item 19).

Any comment or explanation should be preceded by the item number, e.g.

Item 17 - light rain during fill operations, item -

18 - testing operations slowing down compaction due to malfunction of test equipment.

Additional sheets may be used, if required.

6.

In the event that a "No" is checked for any one of items 2-18 inclusive, a "Stop Work Order" will be issued and the following information recorded under item 19:

(1)

Stop Work Order Number (2)

Date issued (3)

Individual notified (Name and title)

(4) Date deficiency corrected (5) Date Stop Work Order rescinded l

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