ENERGY TECHNOLOGY ENGINEERING CENTER No .886-SP-0003 Rev . BPage 1 of 1 7

OPERATED FOR THE U .S. DEPARTMENT OF ENERGY Orig . Date 03/02/92

ROCKETDYNE DMSION, ROCKWELL INTERNATIONAL Rev. Date O8l 0 9 2

SPECIAL PROCEDUR E

TITLE : SODIUM DISPOSAL FACILITY CLOSURE PROCEDURE FOR LOCATING & EXCAVATING BURIED OBJECT SAT THE FORMER SODIUM DISPOSAL SITE .

-APPROVALS -

Originator e~-i2 =54FAC MGR C_

RP & HP S

ENVIRO

HS&EI

QA

REV . REVISION APPROVAL/DAT ELTR .

A Add new paragraph 4 .5, Revisions to Ori 9• UThis Procedure . Revise section 5 .7

RP&HP Sto be specific on handling of potentiall ydangerous objects . Minor other associated FAC MGchanges .

ENVIR ~jlL'2/ 72'

HS& E

Q Aa3

B Added new applicable and reference documents, deleted Orig . ='superseded applicable documents, corrected excavatio nsloping, added cautionary note about alkali metal RP&HPSreactivity, elaborated on decontamination procedure ,

added asbestos handling . Fac . M95

Enviro

HS&E

OFFICIAL COPY4 NOV - 2199 2

NOTICE : WILL NOT B E[UPDATED

Form 735-A-6 Rev 6-91

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CONTENTSPag e

1 .0 SCOPE . 4

2 .0 APPLICABLE DOCUMENTS AND REFERENCES . 4

2 .1 Applicable Documents 4

2 .2 Reference Documents 5

3 .0 SPECIAL EQUIPMENT AND MATERIALS 5

3 .1 Equipment 5

3 .2 Materials 6

4 .0 GENERAL REQUIREMENTS 6

4 .1 Safety Precautions 6

4 .2 Limits 7

4 .3 Prerequisites 7

4 .4 Sequence of Activities 8

4 .5 Revisions to This Procedure 8

5 .0 DETAILED PROCEDURE 8

5 .1 Working Copy 8

5 .2 Document Location 9

5 .3 Personnel Familiarization 9

5 .4 Daily Meetings 9

5 .5 Records . 9

5 .6 Geophysical Surveying 9

5 .7 Excavating . 1 0

5 .8 Waste Disposition 12

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CONTENTS ( CONTINUED )

6 .0 COMPLETION REVIEW AND APPROVAL 13

6.1 Work Completion 13

6.2 Documentation Completion 13

6.3 Closeout Acceptance 14

FIGURES

1 . 886 Sodium Disposal Facilit y

2 . Excavated Object Record .

ATTACHMENTS

1 . Instruction Sign -off Form

1 5

1 6

17

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1 .0 SCOPE/PURPOSE

This procedure defines the requirements for the detection , excavation,and subsequent disposal of buried metallic objects at the former 886Sodium Disposal Facility ( shown in Figure 1) . The geophysical surveysand excavations performed under this procedure are preliminary to thegeophysical surveys that will be performed by an outside contractor .Objects expected to be excavated include elements of piping systems(piping, valves , fittings, etc), waste containers , sealed containers,instrumentation elements, etc . The basic procedure is to carefullyexplore the object being excavated , determine its likely nature,characterize as RA, hazardous , contaminated with unreacted metals, orconventional waste, and to dispose of accordingly . The requirementsset forth here - in are in accordance with 886-AN -0001, " ProjectManagement Plan", under the Sodium Disposal Facility Closure (SDFC)Progam .

2 .0 REFERENCE S

2 .1 Applicable Document s

1 . 886-ZR-0001 "Sodium Disposal Facility Closure Health and SafetyPlan "

2 . 886-AN-0002 "Sodium Disposal Facility Closure Training Plan"

3 . 572-L-1 "Rocketdyne Health,Safety, and Fire EngineeringManual "

4 . 572-Z "Rocketdyne Environmental Control Manual "

5 . N0010P000034 " Procedure for Surveying and Releasing Non-Radioactive Waste from Radiological Facilities"

6 . DELETE D

7 . ER-SP-0001, REV A "Management and Disposition of Known orPotentially Hazardous Waste Originating in a RMMA" .

8 . 886-SP-0002 "Sodium Disposal Facility Closure - Special Procedure- Excavation, Sorting, Segregation, andClassification of Soils "

9 . N001TI000339 "Definitions and Designation of RMMAs "

10 . 04994-001-00 "SDFC Geophysical Survey", ICIF Kaiser, May 199 2

11 . IL "Asbestos Removal from the Sodium Disposal Facility",Hardy to Fodor, April 3, 199 2

12 . 886-SP-0005 "Packaging, Labeling, Classification and Disposal ofWastes from the Sodium Disposal Facility"

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12 .2 Reference Document s

1 . 886-AN-0001 "SDFC - Project Management Plan "

2 . GEN - ZR-0004 " Radiological Survey of the Sodium Disposal Facility -Building 886 "

3 . Ebasco Environmental 1991 Closure Plan , Former Sodium DisposalFacility Building 886, Santa Susana Field Laboratory (SSFL) .Prepared for Rocketdyne Division Rockwell InternationalCorporation, July 1991 .

4 . IL, " Sodium Disposal Facility-Release of Excavated Objects",Klein to Rutherford, July 22, 199 2

3 .0 SPECIAL EQUIPMENT AND MATERIAL S

3 .1 EE uipmen t

Ground penetrating detection systems

Fisher M-95 "Valve and Box Locater"

Fisher Gemini-3 "Deep Search Unit"

Ludlum 12 GM detecto r

Ludlum 12 S Micro R meter

Mechanics hand tools

Gasoline powered abrasive saw

Portable electric hack saw

Oxy-acetylene torc h

Forklift

Skip loader with high-ram

Back hoe

Slings and rope s

1-1/8" - 2-1/2" water hoses

Shovels and scoops

Electrical extension cords

Portable lights

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Work clothes , gloves and protective equipment

Fire extinguishers

Tyvec paper suit s

Respirator equipment , if required by HSO

5 min Breathing Air Escape Cylinder on backho e

Polycarbonate Blast Shield ( can be attached to back hoe or to forklift) .

GNZ

Alkali metal protective clothing as required

Steel " drop" plate

3 .2 Material s

Barrier ropes or tap e

Approved (DOT) RA waste container s

Approved (DOT) hazardous material containers

Green tape

Plastic sheeting

Plastic bags, assorted

Wipes, towels and brushe s

Sample bottles and bags (assorted)

Identification tags (weather proof)

Sand bag s

4 .0 GENERAL REQUIREMENTS

4 .1 Safety Precaution s

Personnel shall observe safe work practices . Only personnel essential tothe operation will be allowed within the excavation exclusion zone area .The kind of hazards expected during these excavations are R/A, alkalimetals, heavy metals, combustible vapors, toxic liquids/vapors, andasbestos . The Health and Safety Plan (APPLICABLE DOCUMENT #1)identifies the safety hazards associated with this project and the

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protective measures to be taken accordingly . It also presentsresponsibilities of certain persons, emergency activities and otherrelated topics . All persons assigned to the project shall haveacknowledged , in writing , that they know its contents . The followingsafety precautions shall be observed as applicable :

1 . Objects which may be hazardous shall be handled " remotely" (at adistance ) using equipment fitted with a blast shield .

2 . All lifting equipment shall have current proof load certificationand be tagged .

3 . Workers shall be familiar with safety features on all equipmentbefore use .

4 . Care shall be taken during the excavations to identify theobjects . Objects, which are closed containers, may containradioactive, toxic, or reactive substances .

4 .2 Limit s

Safe working practices shall be conducted within the restraints of theHealth and Safety Procedures Manual, 572-L-1, as specified by the"Controlled Work Permit", 719-L, and the HASP .

4 .3 Prerequisite s

4 .3 .1 Person in Charge (PIC )

A PIC shall be assigned by the Facility Manager to perform, coordinate,and maintain the working copy of this procedure . Prior to theperformance of the work, the Facility Manager shall assure that allpersonnel have satisfied the requirements called out in APPLICABLEDOCUMENT No .2 . The PIC shall overview the work of all persons affectedby this procedure .

Assigned PI C

4 .3 .2 Controlled Work Permit (FORM 719-1 )

The PIC shall fill out the top section of Form 719-L and the HSO &RP&HPS representatives shall fill out and sign the section of Form 719-Lthat covers the requirements for this procedure and return it to the PICprior to continuing work in those areas . The PIC and all personne l

working to this procedure shall read and sign the Controlled Work Permitin the space provided indicating that they understand the specifiedrequirements .

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The Controlled Work Permit shall be posted in the Engineering trailerat 886 .

PI C

4 .3 .3 Trainin g

The training of workers shall be in accordance with the APPLICABLEDOCUMENT No .2 . The Facility Manager shall maintain verification of thepersonnel training .

4 .4 Sequence of Activitie s

The sequence of activities defined in this procedure is intended as aguide and may be changed unless otherwise stated .

4 .5 Revisions to This Procedure

4 .5 .1 Formal Revision s

Formal released revisions to this procedure require signatures ofthe same level and same functions as the signers of the originalrelease .

4 .5 .2 Informal Revisions (Red-Lines )

Field changes may be implemented by the Facility Manager by red-lining the working copy of this procedure . When the first suchchange is made a "Change Approval Log" which may be hand written,shall be attached to the back of this procedure . The FacilityManager and the cognizant QA Engineer shall constitute the minimumnumber of signatures required for red-lines . They shall jointlydetermine, based on the technical implications of the change,which other signatures, if any, are required .

The change log shall list each change by procedure section andparagraph, and shall list, by initials, the organization of eachrequired approval beyond the minimum .

Each change must be approved per the established list prior toimplementation .

Approvals are to be by initials and date, in ink, in the marginadjacent to each change . Approvals granted by telephone areacceptable, and in such instances, the Facility Manager shallenter the persons' initials and add "per telecon" and add his owninitials .

5 .0 DETAILED PROCEDURE

5 .1 Working Copy - Verify that a single copy of the latest revision to thisprocedure is designated " working copy " and identified as such on the

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cover page .

PIC Date

5 .2 Document Location - The working copy of this procedure shall bemaintained by the Facility Manager and kept in the Engineering Trailer .A single designated working copy of this procedure will be utilized atthe work site .

5 .3 Personnel Familiarization - All personnel working to this procedureshall fill out, sign, and date the Instruction Signoff Form(Attachment 1) .

PIC Date

5 .4 Daily Meetings - The PIC shall discuss the activities in daily meetingswith management and the working personnel, and at the beginning of eachnew task during the continuation of activities .In these meetings, thePIC shall provide instruction on all approved changes (ref . Section 4 .4)to ensure that all personnel understand the redlines . All issues ofmeetings shall be documented in the "SDF Daily Tailgate Meeting"Logbook .

5 .5 Records

At the completion of work covered in this procedure, the "working copy"with all redlined changes and attachments signed and incorporated, andall required data shall be filed in the Sodium Disposal Facilit yEngineering Office Files .

Log Boo k

A serialized log book (obtained from ETEC Document Management) shall beidentified and kept current, reflecting the activities conducted inaccordance with these instructions . Data shall be recorded withsufficient detail to understand what was done and the conclusionsreached .

Photo s

Photos for the record shall be taken at the discretion of the PIC .

5 .6 Geophysical Surveyin g

Geophysical surveys for buried objects shall be performed using theFisher M-95 and Gemini-3 search units or equivalent . Record the serial

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number of the search units in the log notebook . These surveys arepreliminary to geophysical surveys that was performed by an outsidecontractor ( see APPLICABLE DOCUMENT # 10) and include the area outsidethe contaminated boundary . The surveys shall be performed within 10 X 10ft . grids . The location of buried object detected by the survey shall beplotted on an area map for excavation . Where posible the estimated sizeand depth shall be recorded .

5 .7 Excavating

5 .7 .1 Excavation of buried objects shall use a backhoe fitted with apolycarbonate blast shield . The objects will be located on afacility map . The walls of the excavations shall be benched orsloped not steeper than 1 .5 (horiz) to I (vert) when the depth ofthe excavation is greater than 5 ft . The excavation shall beperformed with the operator located upwind of the dig area . A 5minute breathing air supply shall be located on the excavationequipment for use in an emergency .

5 .7 .2 If the object is being excavated in a region where soil is beingexcavated, sorted and segregated in accordance with APPLICABLEDOCUMENT #8, the soils associated with the buried object removalshall remain under that procedural control .

5 .7 .3 Soils associated with excavation of buried objects outside ofcontaminated areas shall be placed, temporarily, on plasticsheeting pending evaluation for contamination due to the objectitself . Unattended soil shall be covered to prevent migration .

5 .7 .4 The following operation sequence shall be followed . At any timeduring the following operations, if the object emits smoke,catches fire, or indicates reaction, all personnel shallimmediately evacuate to a safe distance upwind . Notify SDFmanagement and fire protection . SDF management shall fullyevaluate the situation and document the incident prior toresumption of operations .

NOTE : ACTIVITIES WHICH MAY EXPOSE REACTIVEMATERIALS TO AMBIENT MOISTURE ( RAIN, FOG,DUST CONTROL, DECONTAMINATION) AR EDANGEROUS . PERFORMANCE OF SUCH ACTIVITIES(EXCAVATION, PENETRATION, UNCONTAINEDSTORAGE, ETC .) SHALL INCLUDE CONSIDERATIONOF THESE MOISTURE SOURCES .

5 .7 .4 .1 The object shall be unearthed by pushing away from theoperator with a backhoe .

5 .7 .4 .2 The HP will perform a radiological evaluation of theobject before proceeding .

5 .7 .4 .3 If the object is determined to be radioactive,

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operations shall be suspended and D/641 shall berequested to determine whether the radioactivityrepresents a potentially reportable quantity ifreleased to the atmosphere . Such objects shall behandled on a case by case basis using a writtenprocedure to be prepared prior to proceeding withoperations .

5 .7 .4 .4 If the object is determined to be non-radioactive ordoes not present a reportable 'level ; it shall beexamined from a distance to determine if the containeris penetrated, and if so, it shall be disturbed andhit in place, then picked up and shaken using thebackhoe bucket . It shall then be dropped from aheight of approximately 10' onto steel plateidentified for that purpose . Wait 5 minutes .

5 .7 .4 .5 If the object appears to be intact, puncture thecontainer in place using the backhoe bucket teeth andrepeat 5 .7 .4 .4 .

5 .7 .4 .6 Repeat the R/A survey (relative to the contents)including internal if practical ; see 5 .8, step 3 also .If R/A, refer to 5 .7 .4 .3 . If the object containssodium, skip to 5 .7 .4 .9 .

5 .7 .4 .7 Decontaminate the exterior surfaces to remove anycontaminated soil as follows :

. Decontamination will be performed in the exclusionzone or the contamination reduction zone .

. Personal protective equipment to be used fordecontamination activities shall be approved by theHSO .

. A decontamination station shall be designated wherethe following actions shall be performed :

. First apply mechanical means, such asscrapers, rods, bushes, etc . Disassembly orcutting of objects to remove contaminatedsections may be performed if approved by theFacility Manager or the Crew Chief .. Next wash/brush with water, taking precautionsto capture all fluids into an EnvironmentalProtection (EP) department approved container .. Next wash/brush with water and non-hazardousdetergents, also taking precautions to captureall fluids into and EP approved container .

5 .7 .4 .8 Transfer the objects to the western area by :

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a . Placing the forklift in the western area with apallet . Using the backhoe , transfer the object fromthe exclusion area to the forklift .

b . Place the object in the designated holding area .

5 .7 .4 .9 Contact B133 for scheduling and transfer of objectssuspected to contain sodium . Transfer shall be in alarge container ( i .e ., B-12 box) with internal blastpenetration ( i .e ., sand bag) using a forklift with apolycarbonate blast shield to protect the operator .

5 .7 .4 .10 If the excavated material is suspected to containasbestos , a sample of the substance shall be taken andthe asbestos coordinator from the EP departmentcontacted for analysis of the sample (see EC02 .30draft, in APPLICABLE DOCUMENT #4) . The suspectmaterial shall be double bagged in plastic bags andclearly labeled as to the contents .

5 .7 .5 Tag each excavated object suspected of containing sodium with asequential number ( starting with 001) and place it near theexcavation or in a designated lay-down area .

NOT E

A grouping of small, like objects from a givenexcavation shall be consolidated and considered as oneobject .

5 .7 .6 The description of each sodium containing object and th e10 X 10 ft . grid location where it was excavated shall be recordedon a corresponding line number of the Excavated Object Record(Figure 2) . Each excavation shall be re-geophysicaly surveyed(section 5 .6) to verify that there are no deeper objects masked bythe removed object .

5 .7 .7 A radiological survey shall be performed by RP&HPS on all theretrieved objects to determine the presence and level of anypotential radioactivity in accordance with APPLICABLE DOCUMENTNo .5 . An assessment shall also be made by the PIC , FacilityManager, or Environmental Protection as required for hazardousmaterials . Initially the assessment shall be based upon objectidentity and relating process knowledge . The results of analysisshall also be recorded on the Excavated Object Record .

5 .8 Waste Dispositio n

All objects retrieved by the excavation shall be disposed of as follows :

1 . R/A only waste shall be packaged in approved DOT R/A wastecontainers in accordance with either APPLICABLE DOCUMENT # 6 or#12 .

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2 . Non - RA, non - hazardous objects shall be disposed of as conventionalwaste in accordance with APPLICABLE DOCUMENT #12 .

If the following wastes originated in an RMMA, they shall be handled inaccordance with APPLICABLE DOCUMENT No .7 .

1 . Non radioactive objects suspected to contain residual alkali metalshall be packaged per APPLICABLE DOCUMENT #12 for treatment atBuilding 133 . Confirmation of non radioactivity (per APPLICABLEDOCUMENT # 5) shall be accomplished as follows :

. perform a complete r/a survey of all surfaces accessibleto either a Ludlum model 2221 or equivalent , with a Na1probe ( which should be capable of detecting gamma radiationfrom inside the object), and with a Ludlum model 12 with apancake probe or equivalent .. if there is any liquid or dry material which can beextracted, it will be subjected to gamma spectroscopy .. smear for surface contamination from ports or crevasseswhich can be accessed

2 . Objects that are not R/A contaminated , and not suspect ofcontaining alkali metal shall be evaluated to determine whetherthey need be mechanically cleaned or decontaminated using nonhazardous materials . All cleaning materials from the objectsshall be contained in approved DOT hazardous waste containers fordisposal as hazardous waste .

3 . Hazardous only waste and mixed waste shall be segregated , packagedand disposed of in accordance with APPLICABLE DOCUMENT #12 .Asbestos shall be disposed of by direction from the asbestoscoordinator from EP department .

6 .0 COMPLETION REVIEW AND APPROVA L

6 .1 Work Completion - The excavation and disposition of buried objects andmaterials in accordance with this procedure is complete :

PIC Date

6 .2 Documentation Completion - This procedure and all associateddocumentation has been reviewed for completeness and accuracy :

PIC Date

QA Date

Any discrepancies will be reported on a Correctiv eAction Request (CAR) per ETEC Procedure 2-43 .

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CAR No .

The corrective action has been reviewed and accepted :

QA Date

6 .3 Closeout Acceptance - This procedure and all associated documentationhas been reviewed , accepted , and filed in the Building 886, Engineeringfile :

Facility Manager Date

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Figure 1 . 886 SODIUM DISPOSAL FACILITY

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FORMER SODIUM DISPOSALFACILIN AREA 886

REMEDIATION SITE LAYOUT

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Figure 2 . Excavated Object Record

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ATTACHMENT 1

INSTRUCTION SIGNOFF FORM

I HAVE READ AND UNDERSTAND THIS OPERATING INSTRUCTION

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