Text

Diesel Generator Bldg Instrumentation. Prepared for Bechtel Power Corp.Oversize Drawings Encl
	ML19344A319
Person / Time
Site:	Midland
Issue date:	10/31/1979
From:	; GZA GEOENVIRONMENTAL, INC. (FORMERLY GOLDBERG-ZOINO
To:	;
References
	NUDOCS 8008070695
	Download: ML19344A319 (104)
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Soil & Rock Instrumentation Division Goldberg, Zoino, Dunnicliff & Associates, Inc.

30 Tower Road

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Octcber 1979 File No. 2220R h

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TABLE OF CONTENTS VOLUME I Pace No.

1.00 INTRODUCTION 1

1.10 ' General 1

1.20 Scope of Firm's Work I

1.30 Scope and Format of Report 2

2.00

SUMMARY

3 3.00 BORROS ANCHORS -

4 3.10 Scope of Firm's Work 4

3.20 Description of Instrumentation 4

3.30 Installation Procedure 4

3.40 Instrument Inspection 5

3.50 Instrument Locations 5

3.60 Reading and Data Reduction-Procedure 5

3.70 Instrument Readings 5

4.00 SETTLEMENT PLATFORMS 6

4.10 Scope of Firm's Work 6

4.20 Description of Instrumentation G

4.30 Installation Procedure 6

4.40 Instrument Inspection 6

4.50 Instrument Locations 4.60 Reading and Data Reduction Procedure 7

4.70 Instrument Readings 7

5.00' PIEZOMETERS 8

5.10 Scope of Firm's Work 8

5.20 Description of Instrumentation 8

5.30 Installation Procedure 9

5.40 Instrument Inspection 9

5.50 Instrument Locations 0

5.60 Reading and Data. Reduction Procedure 0

5.70 Instrument Readings.

10 6.00 ELECTRICAL GAGES FOR MONITORING CRACK DEFORMATION 11 6.10 Scope of Firm's Work 11 6.20 Description of Instrumentation 13 6.30 Installation Procedure 11 6.40 Instrument Inspection 12 6.50 Instrument Locations 12 6.60 Reading and Data Reduction Procedure 12 6.70. Instrument Readings 12 N l.

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7.00 PIPE-PROF (LE SETTLEMENT GAGE 13 7.10 ' Scope of Firm's Work 13 7.20 Description of Instrumentation 13 7.30 Instrument Inspection and Calibration 14 7.40 Reading and Data Reduction Procedure 14 7.50 Instrument Readings 15 FIGURES TABLES APPENDIX A - INSTRUMENT MANUFACTURERS' LITERATURE APPENDIX B - INSPECTION, INSTALLATION AND READING PROCEDURES APPENDIX C - TYPICAL COMPLETED INSTALLATION LOGS b

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LIST OF FIGURES i

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FIGURE NO.

TITLE 1

Instrument Location Plan 2

' Schematic of Borros Anchor 3

Schematic of Settlement Platforms i

4 Schematic of Piezometer 5

Schematic of Gage for Monitoring Crack Deformation i

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Schematic of Pipe Profile Settlement Gage lf 7

Designations and Locations of Surveyed Pipelines 1

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1 LIST OF TABLES 4

TABLE NO.

TITLE 1

Summary of Borros Anchor Installation Data 2

Summary of Settlement Platform Installation Data j

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Summary of Piezometer Installation Data 4

Summary of. Data for Installation of Gages for Monitoring Crack Deformation i

5 List of Full Profile Pipeline Surveys 3

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LIST OF APPENDICES 2

AppEhTIX NO.

I Appendix A Instrument Manufacturers' Literatu're Appendix B Inspection, Installation and Reading Procedures i

Appendix C Typical Completed Insta11at, ion Logs i

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1.00 INTRODUCTION I

1.10 GENERAL This report describes the instrumentation work performed by the Soil & Rock Instrumentation Division of Goldberg, Zoino, Dunnicliff

& Associates, Inc., at the Diesel Generator Building, Midland Units 1 & 2, Midland Michigan between October 18, 1978 and September 28, 1979.

The purpose'of the instrumentation was to monitor the progress of consolidation of the building foundation under the influence of a surcharge. load, and to determine the vertical profiles of certain pipelines in the area.

1.20 SCOPE OF FIRM'S WORK The scope of-the firm's work was generally as follows:

- Provide consulting engineering services to assist Bechtel in planning, installation, reading procedures, maintenance of instruments, and interpretation of instrumentation data.

- Select and purchase the various items of-monitoring equip-ment to be used.

- Perform appropriate pre-installation equipment tests to determine the acceptability of the instruments and to calib-rate them.

- Inspect and record the insta11Mtion of instruments at loca-tions designated by Bechtel.

- Train on-site representatives of Bechtel in instrument reading procedures, and make certain instrument readings.

- Reduce and plot data.

- Prepare a report on the instrumentation program.

Instrumentation consisted of the following:

- Borros anchors, for monitoring subsurface settlement.

- Settlement platforms, for monitoring settlement of the pre-surcharge ground surface.

- Open standpipe piezometers, for monitoring foundation pore water pressure.

- Electrical deformation gages, for monitoring change in width of cracks in_the building.

- A pipe profile settlement-gage, for developing vertical pro-files alongLeertain pipelines.

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The firm's work has been performed in close coordination with Bechtel Associates Professional Corporation, Ann Arbor, Michigan and Bechtel Power Corporation, Midland, Michigan.

Quality-related activities have been controlled by the firm's instru-mentation quality assurance program.

' Contractual arrangements for the firm's work have been the following:

- Field Purchase Order #7220-F-32312, for purchase of instru-mentation equipment.

- Technical Services Agreement #7220-C-82 " Soils Monitoring Instrument Installation", for all work except certain of Mr.

Dunnicliff's time.

- Agreement for Consulting Services between Bechtel, Inc. and Mr. Dunnicliff.

h30 SCOPE AND FORMAT OF REPORT This report is divided into six main chapters, one a summary, and each of the remaining five relating to ar icem of instrumentation as listed in Section 1.20 above.

The format-of each chapter is generally:

- SCOPE OF FIRM'S WORK

- DESCRIPTION OF INSTRUMENTATION

- INSTALLATION PROCEDURE

- INSTRUMENT INSPECTION

- INSTRUMENT LOCATIONS

- READING AND DATA REDUCTION PROCEDURE

- INSTRUMENT READINGS Included within the se1tions entitled " READING AND DATA REDUCTION

~

PROCEDURE" are estimat9s of the accuracy of the instrument readings.

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7220 C82 53-3

2.00

SUMMARY

The following instruments have been installed.r used at the Diesel Generator Building, Midland Units 1 & 2, Midland, Michigan, for monitoring. progress of consolidation of the building foundation under the influence of a surcharge load:

60 Borros anchors, for monitoring subsurface settlement.

52 settlement platforms, for monitoring settlement of the pre-surcharge ground surface.

48 open standpipe piezometers, for monitoring foundation pore water pressure.

5 electrical deformation gages, for monitoring change in width of cracks in the building.

A pipe-profile settlement gage, for developing vertical profiles along certain pipelines.

This report describes the instrumentation, instrument installation, inspection and. reading procedures, gives estimates on instrument accuracy, ar.d-summarizes location data.

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3.00 BORROS ANCHORS.

3.10 SCOPE OF FIRM'S WORK The scope of the firm's work. associated with Borros anchors was:

- Provide c,onsulting engineering services to assist in planning.

- Select and. purchase Borros anchors.

- Perform as-received inspections.

- Inspect and record installation.

- Tra'in Bechtel personnel in raising and reading procedures.

- Reduce and plot data.

- Assist Bechtel with data interpretation.

- Prepare a report on the instrumentation progran.

3.20 DESCRIPTION OF INSTRU'.!ENTATION A forros anchor consists of two main parts:

(a)

The anchor point and riser rod:

The anchor point is a steel tip with expandable steel anchor prongs, connected to which is the. riser rod.

The riser rod serves two purposes:

first, it is used to expand the crongs and second, it is utilized as the reference point during reading.

(b)

The sleeve pipe:

The sleeve pipe is 1" standard pipe and i

is used for two purposes.

First, it serves as a drive pipe for driving the anchor point through the soil.

Second, it serves ~to isolate the riser rod from friction forces arising from the soil movements.

A schematic of the system ir shown in Figure 2.

Information supplied by the manufacturer (A t-5 Co.,

9 Ferguson St.,

Milford, MA), is in-cluded in Appendix A.

Anchor settlement is monitored using optical survey elevations on

-the top of the riser rod.

Changes in elevation provide a record of settlement.

3.30 INSTALLATION PROCEDURE The installation procedure for'Borros anchors is included in Appendix

'B under the heading " Installation Procedure No.

2".

-Installation of Borros anchors began on November 10, 1978 and was completed on December 13, 1978.

GZD personnel arrived on site on 4.

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November 11, 1979 and inspected thd installation of anchors #3 through 60.

Prior.to that date, anchor #1 and 2 were. installed and inspected.by Bechtel personnel.

The-first anchors were backfilled either with Ottawa sand or with Ottawa sand followed by pea gravel.

However, because either backfill arrangement potentialbr provides a path for water flow that might. affect readings of nearby piezo-meters, Ottawa sand followed-by bentonite slurry was subsecuently used for backfill above the bottom of the sleeve pipe.- An 9ttempt was made to fill the sand and pea gravel spaces with a bentonite

, slurry in order to minimize local pore pressure drainage, but was unsuccessful.

A typical completed installation log is included in Appendix C and installation data are summarized in Table 1.

3.40 -INSTRUMENT INSPECTION On receipt from the manufacturer and prior to installation each Bor-ros anchor was subjected to an as-received inspection.

The inspection included a check on the manufacturer's specification and a check for proper fit of mating parts.

The inspection procedure is included in Appendix B under the heading " Inspection Procedure No. 2".

Instal-lations-were inspected in accordance with " Inspection Procedure No.

2",

included in Appendix B.

3.50 INSTRUMENT LOCATIONS Instrument locations and elevations were selected by Bechtel.

Plan locations are shown on Figure 1 and elevations in Table 1.

Borros anchor elevations shown in Table 1 are the initial elevations of the anchor tips.

A record of coordinates of installed locations is maintained by Bechtel.

3.60, READING AND DATA REDUCTION PROCEDURES Reading and data. reduction procedures are included in Appendix B under the heading " Reading Procedure No.

2".

Estimated accuracy of the. instrument is that of optical levelling, i.e., 10.01 ft.

All monitoring and data reduction was accomplished by Bechtel 3

personnel.

3.70 INSTRUMENT READINGS Completed copies of the follcwing forms:

Form BA-R-1, Borros anchor field data sheet Form BA-R-2, Borros anchor computation sheet Form BA-R-3, Borros anchor raising sheet a19 filed in the appropriate job files in the office of GZD in hc= ton, Mass.

All monitoring.and' data reduction was accomplished by Bechtel personnel.

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4.00 SETTLEMENT PLATFORMS 4.10 SCOPE OF FIRM'S WORK The scope of_the firm's work associated with settlement platforms was:

4

- provide consulting engineering se' vices to assist r

in planning.

- Inspect and record installation.

Train Bechtel personnel in raising and reading procedures.

- Reduce and plot data, i

- Assist Bechtel with data interpretation.

prepare a report on the instrumentation program.

4.20 DESCRIPTION OF INSTRUMENTATION Each settlement platform consists of a horizontal i inch thick square steel sheet, 2 ft x 2 ft, 1 ft x 1 ft or 6 in. x 6 in., depending on location, and whether the platform is installed on soil or on concrete, to which a vertical riser rod is attached.

A 1" standard pipe surrounds the riser rod to isolate the rod from friction forces arising from j

relative settlements within the surcharge fill.

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A'schenatic of the syst em is shoven in Ficure 3.

The platforms were made b: Bechtel at the site.

Platform settlement is monitored using optical survey elevations on the top of the riser rod.

Chan.qes in elevation jrovide a record of settlement.

4.30 INSTALLATION PROCEDURE The installation procedure for settlement platforms is included in Appendix B under the heading " Installation procedure No.

4".

Installation of settlement platforms began on November 13, 1978 and was completed on December 15, 1978.

A typical completed installation log is included in Appendix C, and installation data are sunmarized

'i in Tab 3e 2.

4.40 INSTRUMENT INSPECTION Prior to installation each settlement platform was subjected to an as-received inspection.

The inspection procedure is included in Appendix B under the heading " Inspection Procedure No.

4".

Instal-1ations.were inspected in accordance with "In-pection procedure No.

4", included in Appendix - B.

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M GEOTECHNICAL tNcimuME:NTAitC)N ENG.NEF 1 b 7220-C82-53 3

4.50 INSTRUMENT LOCATIONS Instrument locations and elevations were selected by Bechtel.

Plan locations are shown on Figure 1, and elevations in Table 2.

Settle-ment platform elevations shown in Table 2 are the initial elevations of the platforms.

A record of coordinates of installed locations is maintained by Bechtel.

4.60 READING AND DATA REDUCTION PROCEDURE Reading and data reduction procedures are included in Appendix B under the heading " Reading Procedure No.

4".

Estimated accuracy of the instrument is that of optical leveling, i.e. +0.01 ft.

All monitoring and data reduction was accomplished by Bechtel personnel.

4.70 INSTRUMENT READINGS.

Completed copies of the following forms:

Form SP-R-1, Settlement platform field data sheet Form SP-R-2, Settlement platform computation sheet Form SP-R-3, Settlement platform raising sheet are filed in the appropriate job files in the office of GZD in 1

Newton, Mass.

All monitoring and data reduction was accomplished by Bechtel personnel.

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5.00 PIEZOMETERS l

5.10 SCOPE OF FIRM'S WORK The scope of the firm's werk kssociated with piezometers was:

- Provide consulting engineering services to assist in planning.

- Select and purchase piezometers.

- Perform as-received inspections of certain piezometers.

- Inspect and record installation of certain piezometers.

- Read piezometers.

- Train Bechtel personnel in reading procedures.

- Reduce and plot data.

- Assist Bechtel with data interpretation

- prepare a report on the instrumentation program.

5.20 DESCRIPTION OF INSTRUMENTATION Piezometers were of two types-, as follows:

5.21 Piezometer Research & Development Corporation Type Piezometers P-1 through P46 were installed by Bechtel personnel between October IG, 1978 and November 6, 1978, prior to the arrival of GZD personnel on the site.

These piezometers were supplied by Piezometer Research & Development Corporation, and consist of a porous plastic cylindrical tip connected to a plastic tube standpipe.

5.22 Geonor M-206 Type Piezometers P-17 through P-48 were installed under the super-vision'of GZD personnel between November 19 and December 13, 1978.

These piezometers were of the "Geonor M-206 Field Piez-ometer" type and were supplied by Roctest Ltd., Montreal.

They consir;t of a hollow brass stem around which are mounted cylind-rical sintered bronze filters.

The top of the stem connects to a plastic tube standpipe.

Figure 4 is'a schematic of-both types of piezometer.

Manufacturers' information'is included in-Appendix-A.

Piezometric, elevation is determined by probing down the standpipe with a capillary reader to-

' locate the water level.in the standpipe.

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5.30 INSTALLATION PROCEDURE 5.31 Piezometer Research & Development Corporation Type The manufacturer recommends driving drill casing with a bottom plug, raising the drill casing a short distance, leaving the plug at the bottom of the drillhole and leaving the drill casing in place.

This procedure was followed for the first seven piezometers installed, numbered PZ-1 through PZ-7.

_It was then recognized that this procedure runs a risk a

of excessive soil disturbance and leakage of pore water pres-sure along the outside of the casing, and hence one installation, PZ 8, was attempted without use of the bottom plug, and by withdrawing all drill casing.

However, difficulty.was exper-ienced in constructing the bentonite seal above the sand

.placed around the piezometer tip, as the bentonite pellets were apparently spreading laterally under their own weight.

Piezometers numbered PZ-9 through PZ-16 were therefore installed in the smne manner as PZ-1 through PZ-7.

After a review of the piezometer design during a meeting in Urbana, Illinois on Nov-ember 7, 1978, no further piezometers of this type were installed.

All subsequent piezometers were of the Geonor M-206 type.

A typical completed installation log of a Piezometer Research

& Development Corporation type of piezometer is included in Appendix C, and installation data are summarized in Table 3.

1 5.32 Geonor M-206 Type The installation procedure for Geonor M-206 type piezometers is included in Appendix B under the heading " Installation Pro-cedure No.

1".

The manufacturer's normal procedure of driving the piezometer-into the ground relies on the effectiveness of ti a seal between soil and outside of drill rod.

This assumption is viable for installation in a soft clay, but not if the soil contains a eignificant percentage of granular material, and hence piezometers were installed using a bentonite seal pro-cedure and granular backfill.

A typical completed installation log is included'in Appendix C, and installation data are summa-rized in Table 3.

5.40 INSTRUMENT INSPECTION The inspection procedure is included in Appendix B under the heading

" Inspection Procedure No.

1".

5.50 INSTRUMENT LOCA" IONS i

Instrument locations and elevations were selected by Bechtel.

Plan locations are shown on Figure 1, and elevations in Table 3.

A rec-ord of coordinates of installed locations is maintained by Bechtel.

5.60 READING AND DATA REDUCTION PROCEDURE I

Reading and data reduction procedures are included in Appendix B l

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of the-instrument Estimated accuracy relates only to the measurement of the water level in the ope inches of water. This estimated accuracy i

standpipe.

It does not consider the effect of a time lag for stabilization of the phreatic surface.

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5.70 INSTRUMENT READINGS

.j Completed copies of the following forms:

Form PZ-R-1, Piezometer field data sheet Form PZ-R-3, Piezometer computation sheetForm pZ-R-Newton, Mass.are filed in the appropriate job files in the office of GZD in All monitoring and data reduction was accomplished by Bechtel per sonnel.

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6.00 ELECTRICAL GAGES FOR MONITORING CRACE DEFORMATION 6.10 SCOPE OF FIRM'S WORK The scope of the firm's work associated 71th electrical crack gages was:

4 Provide consulting engineering services to assist in planning.

Select and purchase electrical crack gages.

1 Perform calibrations.

Install gages.

Inspect and record installation.

Train Bechtel personnel in reading procedures.

Assist Bechtel with data interpretation.

Prepare a report on the instrumentation program.

6.20 DESCRIPTION OF INSTRUMENTATION Each electrical crack gage consists of an electrical linear deform-ation gage (DCDT, direct current displacement transducer) Model No. 242-000, manufactured by Trans-Tek, Inc., Ellington, Conn.

spanning across a crack in the building wall.

Brackets are glued to the concrete on each side of the crack, and the gage mounted on the brackets.

The gage stem is spring loaded, such that crack opening or closing causes equivalent movement of the DCDT stem with respect to the DCDT body.

The DCDT and brackets are protected by a galvanized steel cover box.

An electrical cable connects the DCDT to a remote readout location above the top of the surcharge.

The DCDT's are read using a portable voltmeter and battery.

A schematic of the system i's shown in Figure 5.

Manufacturer's information is included in Appendix A.

6.30 INSTALLATION PROCEDURE The installation procedure for the gages is included in Appendix B under the heading " Installation Procedure No.

3".

Gage No._2 was installed-on December 5, 1978, and Gages No. 1, 3 and 4 on December 16, 1978.

On February 2, 1970 Gage No. 4 was destroyed during placement of surcharge, and was replaced by Gage

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No. 5 on February 13 at the same location.

A typical completed in-stallation log is included in' Appendix C, and installation data are summarized in Table 4.

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6.40' INSTRUMENT INSPECTION On receipt from the manufacturer and prior to installation, each gage was subjected to an as-received inspection.

Installations were inspected in accordance with " Inspection procedure No.

3",

included in Appendix B.

6.50 INSTRUMENT LOCATIONS Instrument locations and elevations were selected by Bechtel.

Plan locations are shown on Figure 1, and elevations in Table 4.-

A re-cord of coordinates of installed locations is maintained by Bechtel.

6.60 READING AND DATA REDUCTION PROCEDURE Reading and data reduction procedures are included in Appendix B under the heading " Reading procedure No.

3".

Estimated accuracy of the instrument is + 0.005 inches.

All monitoring and data reduction was. accomplished by Bechtel personnel.

6.70 INSTRUMENT READINGS Completed copies of the following forms:

Form CG-R-1, Crack gage field data sheet Form CG-R-2, Crack gage computation sheet are filed in the appropriate job files in the office of GZD in Newton, Mass.

All monitoring and data reduction was accomplished by Bechtel personnel.

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7.00 PIPE-PROFILE SETTLEMENT GAGE 7.10 SCOPE OF FIRM'S WORK The scope of the firm's work associated with the pipe-profile set-lement gage was:

Provide consulting engineering services to assist in planning

- Select and purchase pipe-profile settlement gage

- Perform as-received inspection.

- Perfone as-received spot check calibration

- Make readings of vertical profiles along selected pipelines

- Reduce and tabulate data

- Assist Bechtel with data interpretation

- Prepare a report of the instrumentation program 7.20 DESCRIPTION OF INSTRUMENTATION The Nold Aquaducer Profile Settlement Gage consists of four major components:

(a)

A rubber balloon encased in a sealed probe.

(b)

An air pressure gage and manual air pressure pump contained

.within the readout unit.

(c)

A standpipe and vertical scale for indicating the level of the upper liquid surface.

(d)

A liquid filled tube and an air pressure tube linking the probe and readout unit.

A achematic.of the system.is shown in Figure 6.

In op' ration, the e

readout unit is positioned at an elevation slightly higher than the highest point of the pipeline to be surveyed.

The probe is then in-serted into the pipeline by pushing with rigid rods, by pulling with a cord from the other end of the pipeline, or by having a man inside the pipeline dragging the probe.

Air pressure is then applied to expand the balloon a certain amount as measured by the vertical standpipe.

The required air pressure is noted and through use of the known unit weight of the liquid linking the probe a ' readout unit, the difference in vertical height, hence the pipeline invert elevation, is computed.

Manufacturer's.information is included in Appendix A.

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b; 7.30 INSTRUMENT INSPECTION AND CALIBRATION I*

On receipt of the instrument at the site,.the procedure for "As-j.

Received-Inspection of Nold Settlement. Gage - Inspection Procedure ^

i No. 5" was conducted.

A copy.of this procedure is included.in Appendix B.

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7.40 READING:AND DATA REDUCTION PROCEDURE i

The basic reading procedure is detailed in " Procedure for Reading I

Nold Settlement Gage - Reading Procedure No..5",

a copy of which ll 1s-included in Appendix B.

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Of key importance in-the reading procedure was the positioning of the probe with: respect to the pipeline invert.

In.some cases, it

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was possible to observe the. probe visually directly from the readout i

station or by havingJa man:in the pipeline.

However, for many cases i'

this was impractical due to the size of the pipelines.

On some of the'early pipeline surveys, a closed circuit-television system was used in accordance with arrangements made by Bechtel.

The camera was fitted on.to a small sled and. pulled through -the pipeline with the probe.

At each reading-interval, the probe was observed either visually or with the camera, and readings were made until 3 sets of 4.

data,. consistent to 0.2 inches, were obtained.

This system proved j

cumbersome to operate and was abandoned after the initial attempts.

Table No. 5.11sts all pipeline surveys and what was done to insure j' '

the positioning of the probe.

I All field data were recorded on Form NS-R-1 and transfer 1-ed to Form f.

NS-R-2 for reduction.

The method of. data reduction was as outlined on'the form.~

The three most consistent sets of data were averaged i

to determine.the " vertical distance'to probe".

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Vertical elevation data for all surveyed pipelinos were provided by

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Figure No. 7.shows'the location of surveyed p'ipelines and the.

locations of the readout points in the vicinity of the Diesel Genera-

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tor Building.

All distance' measurements are referenced to the edge i~-

of the pipeline'at the readout point.

In' determining the plan-position of,these measuring points, it should be appreciated that some of-these-reported distance measurements are not.along a horiz-

F ontal.line.,

f The gage provides a measurement-of elevation' difference between'the

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' probe ~and:the readout-box, referred to1herein as H.

'During a:sur-

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.vey'the probe is, moved.along a, pipeline, starting at the pipeline-

. entrance,-successive values of.H being. measured, while the readout g

' box. remains atLthe!same point.'

The-elevation of the-oipeline en-trance'is determined by optical survey.

The difference in pipeline y

elevation withjrespect-to-the entrance is determined by subtracting the H.value'at that' point from the.H value at the entrance. -Hence-

~

.14.

7220 C82-53 3 x

g C

G6O f ECNNCAL INSiF (UMtiN T ATiON LNGiNI I-I U 1

[" %

..'C 0.._

~

e

..l

.... = - ~ -.

the only purpose of the gage is to determine difference in H values, f

not the absolute.value of H.

On this basic we can make the following statements with regard to accuracy of measurements made to date:

(a)

The absolute value of any reported elevation is not more accurate than the optical survey.

(b)

We estimate that the reported relative. elevations (i.e.

shape of vertical profile),.as measured ur'rg the gage alone, are accurate to approximately +0.02 leet.

7.50 INSTRUMENT READINGS Completed copies of the following forms:

Form NS-R-1, Nold settlement gage field data sheet Form NS-R-2, Nold settlement gage computation sheet are filed'in the appropriate job files in the office of GZD in.

Newton, Mass.

Summary tables for all pipeline surveys have been submitted separately.

15.

7220 C82-53-3 2I ps[. I GEOTECHNICAL INSTRUML-NTATION ENGINLeF6

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9 FIGURES i

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MEASURE SETTLEMENT OF PLATFORM BY TAKING ELEVATIONS ON TOP OF R'SER ROD.

m.

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gg, FIGURE Na 3 m:5L Il GECTECMCM. INSTMENTATION ENGINEEAS

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=

-p I GEOTECHNICAL INSTAUMENTATION ENGINEEAS FIGURE No.4

~ ble To Remote a

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NOTES:

1.)

SUPPLY A CONSTANT VOLTAGE TO THE DCDT.

2.)

READ THE RETURN VOLTAGE AT A REMOTE POINT.

3.)

CHANGE IN RETURN VOLTAGE IS PROPORTIONAL TO CHANGE IN POSITION OF BRACKETS.

l SCHEMATIC OF GAGE FOR MONITORING CRACK DEFORMATION a.

-Oz~

d

. Z gr la,3

_J" 7220 C82 53 3 FIGURE No.5 GEOTECHNCAL INSTAUMENTATION ENGINEEAS i

,.. ~. + ~

Air Pressure Scale -

g Pressure Tube Filled With Fluid h/

I Ground Pihti Sensor Sody Filled with Fluid 8

ne y

l1 1

1 1 1 1 1 1 1 1 1 1 1 1 1 1

/x//h Rubber Solloon NOTES:

1.)

INSERT SENSOR BODY INTO PIPELINE AND POSITION AT DESIRED LOCATION 2.)

ELUID PRESSURE ACTING ON RUBBER BALLDON = 7f -(H) 3.)

APPLY AIR PRESSURE TO EXPAND BALLOON A CONTROLLED AMOUNT AND MEASURE AIR PRESSURE 4.)

AIR PRESSURE = yr 04) 5.)

WITH 7 KNOWN, H MAY BE DETERMINED.

9 SCHEMATIC OF FULL PROFILE SETTLEMENT GAGE

=

e E

a 20 m

a' 722G-C82-53-3 O

F1GURE No. 6 GEOTECHNCA1. INSTAUMENTATION ENGINEEAS l

f FILE No. 2220-0

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N TURBINE BUILDING A N

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a 1, u 7220-C82-53 3
1 FILE No. 2220-R g
TABLE I
SUMMARY
OF BORROS ANCHOR INSTALLATON DATA WORKING ANCHOR TIP unpas INSTRUMENT DATE ELEVATION ELEVATION BACKFILL 4
COMMENTS NUMBER NSTALLED (FT.)
(FT.)
MATERfAL ADINGS MAY BE LESS ACCURATE THAN NORMAL 0g 1
11/10/78 634.0 609.0 Ottawa Sand
-2' 11/10/78 628.0 616.0 Ottava Sand O
3 11/11/78 628.0 606.5 ottawa Sand N
4 11/11/78 628.0 623.0 Ottawa Sand Anchor driven l'.very dense mat'1:Crout in 1" pipe
b 5
11/11/78 633.0 608.0 Ottawa Sand 6
11/11/78 613 n 615_O.
Ottava Sand 7
11/12/78 633.0 620.8 Ottawa Sand Anchor driven l'2"-Very dense mat'l 8
11/12/78 633.0 594.3 Ottawa Sand Anchor driven 1'2"-Ve v denne mar'1 h
sg 9
11/11/78 628.0 607_ t, Ottawa Sand Anchor driven l'8"-very dense mat'l m
N 10 11/11/78 628.0 615.0 ottawa Sand b
2 11 11/12/78 628.0 621 n Ottava Sand (n.
17 11/11/78 628.O 591.5
$tpgga! SON I Anchor driven l'-very denner1"ofne nullback C
11 11/11/78 G33_4 627.0 Ottnun Sand Anchor driven l'6"-very denne mat'l g
14 11/14/78 637_4 622.9 Ottawa Sand Anchor driven l'1"-very dense mat'l 15 11/15/78 G33.3 G17.0 NN8 mea!"id 16 11/15/78 G33.4 612.2 hf$$G! SON L Anchor driven l'10"-very dense mat 'l 17 11/14/78 628 n 584.5 SEfS$"G! SON 1 Anchor driven l'5"-very dense mat'l 18 11/14/78 628.0 622.9 Ottawa Sand
~
g 19 11/1417_8 628.0 618.0
@*fS$"C!SONI L
l.
612.0 kfS$"C!SONl 20 11/15/78 628.0
[
21 11/14/78,
628.0 607.0
$ ["
i
FILE No. 2220-R i
TABLE I
SUMMARY
OF BORROS ANCHOR INSTALLATION DATA g
.i F
WORKING ANCHOR TIP grygg INSTRUMENT DATE ELEVATION ELEVATION BACKFILL COMMENTS NUMBER INSTALLED g
(FT.)
(FT.)
MATERIAL
READtNGS MAY BE LESS ACCURATE THAN NORM AL 22 11/14/78 628.0 614.9
pggwdr!0EY 0
'23 11/15/78 628 O 622.0 opggwdr!0EY p
6 24 11/15/78 628.0 615.9 yptawgSgng 0
pptawdr0EY o
8 25 11/15/78 628.0 611.0 26 11/16/78 634.0 617.0
,0gtayaypd pgtgygypnd Anchor driven l'2" - very dense mat'l o
27 11/16/78 634.0 612.8 y
28 11/16/78 634.0 622.0
,ogtawajgnd k
pga,dr""Y 0
w 8 y
29 11/16/78 628.0 622.0 h
30 11/16/78 628.0 615.3
+0gggyg,yppd 9
31 11/15/78 628.0 615.0
,0jtgya{and b O n
2 Co 32 11/16/78 628.0 621.8
+0b80YSn5fEI p ggg o
33 11/17/78 628.0 609.0 ogggygnyppd Anchor driven l'4" - very dense mat'l 34 11/17/78 633.3 624.7 _
p 35 11/18/78 633.3 615.0 5 ggaya !$S' 0
n 36 11/18/78 6_33.3 607.2;d$Y$nks"' Anchor Prongs ernelled oniv 1.5" 37 11/19/78 628.0 606.'2 ogtayagagt p
n Anchor driven l'8" - Very dense mat'l _
38 11/17/78 628.0 613,0 ogggya,ypnd p
39 11/18/78 628.0 622.0
+0h30CnkfEd 40 11/19/78 628.0 615.0 b$7"n!7"'
U n('
41 11/20/78 628.0 608.0 p$["Ya 0g a a ncj 42 l
11/21/78 1 628.0 591.4 5
n i
8
FILE Na 2220-R TABLE I
SUMMARY
OF BORROS ANCHOR INSTALLATON DATA g
WORKING ANCHOR TIP genes INSTRUMENT
.DATE ELEVATION ELEVATION BACKFILI.
COMMENTS NUMBER INSTAL' ED (FT.)
(FT.)
MATERIAL l
READINGS MAY BE LESS ACCURATE THAN NORuAL
,9 nd 43
.11/21/78 628.0 621.O Ot g.w.1 44 11/20/78 628.0 sqq.1 gtggggogggg Anchor driven l'1" - very dense mat'l 45 11/30/78 634.0 606 0 M'h0$$o!l?EN 46 12/1/78 628.0 617.8 S'$'c"' ton $"N b
47 12/1/78 628.0 621.9 Ottawa Sand
+ Bentonite 48 12/1/78 628.0 606.0 S'.h$$$oNY"N 49 12/4/78 628.0 599.5 M'h"$$oNi$N Anchor driven l'6", Anchor prongs expelled 1.5"-b kj.*
k 50 12/4/78 635.0 627 0 S'hX$osj",
q h $
51 12/5/78 635.0
'615.0 M'$"5$oN$"N O
52 12/8/78 628.0 586.0 ptgawp,gpg h
53 12/9/78 635.0 598 0 gtgaggogynj Anchor driven l', Anchor prongs expelleg,g',', gy g 2
T 54 12/9/78 635.0 607.0 gtgawaSgnd 55 12/10/78 635.0 623,0 M'h"$$o!?EN C4 56 12/10/78 635.0 617.8 ytga ag 57 12/11/78 630.0 608.5 2'h^$$oNTEN 58 12/11/78 630.0 614.0 gtgawasygg Anchor Prongs expelled 1.5" - very dense mat'l 9
59 12/12/78 628.0 595.5 gtgawp,gggg Anchor driven 6". Anchor prongs expc M e "aE'Y"#Y 5
60 12/13/78 628.0 612.8 gtgggogjpg Anchor driven l'2". very dense mat'1.
")
t l
J FILE No 2220-R
-TABLE 2
SUMMARY
OF SETTLEMENT PLATFORM INSTALLATION DATA
'5) 3:23 INSTRUMENT -
DATE PLATFORM COMMENTS
' NtNBER
'NSTALLED ELEV TION 1
11/13/78-11/17/78 634.0 2
11/13/78-11/17/78 610.0 6
3 11/13/78-11/17/78 628.0 4'
11/13/78-11/17/78 An O 0]
5 11/13/78-11/17/78 634.0 6
11/13/78-11/17/78 61n.O y
7 11/13/78-11/17/78 628,0 g
8 33/13f73_jy/17/78 630.0 Q M 9
11/]3/78-11/17/78 632.0 m
10 11/20/78-11/24/78 630.5 5 b 2
11 11/20/78-11/24/78 628.0__
f 12 11/20/78-11/24/78 630.5 y
13 L1/20/78-11/24/78 628.0 h
14 L1/20/78-11/24/78 630.5 15 t1/20/78-11/24/78 630.5
~
16 11/20/78-11/24/78 628.0 17 11/20/78-11/24/78 628,0 18 11/20/78-11/24/78 628.0 19 11/27Q8-12/1/78 626.0 l 35 20
{1/27/78-12/1/78 I
628.0 i,
21 11/2.7L78-12/1/78 628.0 k
I
- - - - ~ -
9 FILE No 2220-R
-l-TABLE 2
SUMMARY
OF SETTLEMENT PLATFORM INSTALLATION DATA D
l*
gg INSTRUMENT DATE PLATFORM COMMENTS NUMBER INSTALLED ELEV TION 9
22 11/27/78-12/1/78' 628.0 m
9 23
'11/27/78-12/1/78 628.0.
z 6
24
.11/27/78-12/1/78 G34.5
[
25 11/77 / 78-17 /1/7 A G}LS h
26 11/27/78-12/1/78 G34J 27 11/27/78-12/1/78 G34._5 g
20 12/4/78-12/8/78 631.0 j
29 12/4/78-12/8/78 631.0 0 h 30 12/4/78-12/8/78 631.0 y
- m O 31 12/4/78-12/8/78 631.0 b
32 12/4/78-12/8/78 63LO g
y.
33 12/4/78-12/8/78 632,0 34 12/4/78-12/8/78 631.0 Ed 35 12/4/78-12/8/78 633.0 36 12/4/78-12/8/78 6340 37 12/4/78-12/8/78 634.5 38 12/4/78-12/8/78 633.5
{12/11/78-12/15/78 39 632.5
'].
40
'12/11/78-12/15/_78 612.0
.T 41 i 12f11/78-19/15/78,
632.0 p /11/78-12/15/78 628.0 42 1
4
FILE too 2220*R TABLE 2
SUMMARY
OF SETTLEMENT PLATFORM INSTALLKllON DKfA
~
9 EllTER INSTRUMENT DATE PLATFORM COMMENTS NUMBER INSTAU_ED ELjVATION 43 12/11/78-12/15/78 632.0 44 12/11/78-12/15/78 634.0 5
45 12/11/78-12/15/78 626,0
(
46 12/11/78-12/15/78 626.0 h
47 12/11/78-12/15/78 626.0 48 12/11/78-12/15/78 626 0 y
49 12/11/78-12/15/78 626.0 l
50 12/11/78-12/15/78 626.0 Q M 51 12/11/78-12/15/78 628.0 52 12/11/78-12/15/78 630.0 g
2 O l0 M 3 Y en (n
<a g
I
~
FILE Na 2220-R TABLE 3
SUMMARY
OF PIEZOMETER INSTALLATION DATA g
")
OTTAWA SAND BENTONITE mRus y
INSTRUMENT INSTRUMENT DATE WORKING BOTTOM TOP COMMENTS O-NUMBER TYPE
. INSTALLED ELEWTKF W M ESS ELEWTX)N ELEVATION N
(FI)
(FT.)
( FT.)
(FT)
"RENS W WSS EME M N 1
10/16-20/78 628.0 609.0 614.0 4.5
,,t h
10/16-20/78 628.0 003.0 608.0 4.5 2
j 3-M 10/16-20/78 628.0 616.0 621.0 45 4
h 10/16-20/78 628.0 616.0 621.0 4.5 5
h 10/16-20/78 628.0 606.0 611.0 4.5 k
10/23-27/78 628.0 614.0 619.0
- 4.5 I
a 6
>d N 7-b 10/23-27/78 628.0 607.0 612.0 4.5 9 m N
8 e.
10/23-27/78 628.0
-614.0 619.0 4.5 Di f ficulty in fnming honennito ennl
g 9
0 l0/23-27/78 634.0 AnA O 611.0
/u s
.- a h
10/23-27/78 634.0 61s 0 620.0 4.5 m Co 10
@ M G g 11 A
11/1-9/78 634.0 621.0 626.0 4,1___
P' 12 ll/1-9/78 628.0 61t0 616.0 4.s a
13 h
ll/1-9/78 628.0 6110 616_0 4.5 14 ll/1-9/78 628.0 610.0 615.0 4.5 15 O
ll/1-9/78 634.0 605 0 610.0' 4.5 j
16 E
ll/1-9/78 628.0 s94.0 599:0 4.5 x
17' M,206 11/19/78 633.3 603.3 605.8 2.5 18 M-206 11/20/78 G33.3 G11.3 G13.3 3.2
'~
19 M-206 11/21/78 G33.3 G31.3 G23.3 3.0 P. ole caved during installation 20 M-206 11/21/78 628.0 608.5 610.5 1.5 tof seal.
'j 2
N, FILE No. 2000-R g
TABLE 3
SUMMARY
OF PIEZOMETER INSTALLATION DATA
]
7 3555 OTTAWA SAND BENTONITE O
INSTRUMENT INSTRUMENT DATE WORKING EEAl.
BOTTOM TOP 3
NUMBER TYPE INSTALLED ELEVATION TH W ESS ELEWTION ELEVATION M
(FI)
(py,)
( py,)
(FT)
"aEADINGS MAY BE t.ESS ACCURATE THAN NORMAL 21 H-206 11/21/78 634.0 621.5 623.5 3.5 22 M-206 11/28/78 634.0 589.0 591.2
3. 0 5
23 M-206 11/28/78 628.0 608.5 610.5
3. 0 24 M-206 11/28/78 628.0 601.5 603.5 2.5 oNea$
8 "" "
25 M-206 11/28/78 628.0 618.5 620.5
3. 0 26 M-206 11/29/78 628.0 617.0 619.4
3. 0
>d 27 M-206 11/29/78 628.0 617.0 620.5
3. 0 U
28 M-206 11/29/78 634.0 612.5 614.5
3. 0 h h 29 M-206 11/30/78 628.0 610.5 612.5 30 k b 30 M-206 11/30/78 628.0 600.0 604.0
3. 0 3' of sand boiled up into castna
31 M -206 11/30/78 628.0 621.5 623.5
3. 0 U1 32 M-206 12/1/78 628.0 61 4.5 616.5
_ 3 0...
w L
33 M-206 12/1/78 634.0 620.5 622.5
3. 0 34 M-206 12/1/78 628.0 605.0 607.5 3_0 35 M-206 12/2/78 634.0 608.0 610.0
3. 0 36 M-206 12/8/78 628,0 602.5 605.1 10 37 M-206 12/9/78 62P D 617.7 619.7 10 i
38 M-206 12/9/78 628,0 606.0 608.0
3. 0 39 M-206 12/9/78 635.0 610.5 613.5 10 40 M-206 12/9/78 628.0 608.0 611.0 3.0
FILE No. 2220-R TABLE 3
SUMMARY
OF PIEZOMETER INSTALLATION DATA g
b OTTMA SAND MTONITE MBE g
INSTRUMENT INSTRUMENT DATE WORKING SEAL BOT W TOP g
THICKNESS o
NUMBER TYPE INSTALLED ELEWTION ELEMTION ELEVATIOf1 (FI)
(FT.)
( FT.)
(FT)
"nEAoNos MAY BE LESS ACCURATE THAN NORMAL 2
41 H-206 12/10/78 628.0 611.5 613.5 3.0 h
42 H-206 12/10/78 628.0 622.0 624.0 3.0 43 H-206 12/10/78 628.0 609.5 611.5 3.0 g
44 H-206 12/11/78 633.4 G12.9 614.9 3.0 45 H-206 12/11/78 G33.4 621.9 623.0
3. 0 46 H-206 12/12/78 628.0 609.8 611.8 3.0 47 H-206 12/12/78 628.0 620.0 622.0 3.0 y
b to 48 M-206 12/13/78 628.0 620.0 622.0*
3.0 8 9 2 o 8 1 9
'4 4
A
4 TABLE 4.
- SU!!?!ARY OF DATA
.FOR. INSTALLATION OF GAGES FOR
~
MONITORI.'G CRACK ~DEFOR'fATIONS LINSTRUMENT
DATE LOCATION DISTANCE TOP OF CO.lf.!ENTS
'MUllBER INSTALLED
, FOOTING
'.TO GAGE-CG-1
-12/16/78 Interior of Day 3
~
-on East wall 5'9" CG-2 12/5/78'
-Interior.of Bay'4 on West' wall 5'8" CG-3 12/1G/78 Interior of Day 4 on East.. wall 5'7" NI.
M
M-CG-4 12/1G/78 Exterior of East 9
6'1" Destroyed on 2/2/79 wall O'
g I.O CG-5 2/i3/79 Exterior.of East y
wall
~G'1" Replacement for'CG,
at same location 4
Ja
.f.
j l
-}.
TABLE 5 LIST OF. FULL PROFILE PIPELINE SURVEYS i
i Pipeline.
Strmiary Date of Probe Positioning Pmcedure Designation Table No.
Field Camera Man in Other Reading Pipeline 26-lJBD-2 1
Jan. 5,79 Visually observed 1A Sept.9, 79 x
26-2JBD-1 2
Jan. 5,79 Visually observed 2A Sept.ll,79 x
26-OHBC-54~
3 Jan.10,79 x
3A Note 1 3B July 21 79 &
x ht?e,9~
3C X
26-W BC-55 g
Jan.11,79 V g gly observed 48.
July 20,79 x
40 Sept.ll,79 x
20-I C -169 5-Jan.13,79 Pmbe pulled thmugh twice l
SA March 8 &
9,70 Probe pulled thmugh.twice SB April 8,79 Pzube pulled through twice SC April 9,79 Pmbe pulled through twice SD July 26,79 l' robe pulled through once SE July 27,79 Pmbe pulled thmugh once i
5F Sept.12,79 Pmbe pulled through once l
5G
. Sept.13,79 Pmbe pulled through once 10-WBC-27 6
Jan.13,79 Probe pulled through twice l
6A Sept.11,79 Note 3 1
6B Sept.11,79 Note 3 8-1HBC-81 7-Jan.12,79 x
7A Sept.10,79 Note 3
-l 7B Sept.10,79 Note 3 8-1HBC-311 8
Jan.11,79 x-8A Sept.11,79 Note 3
=8B Sept.11,79 Note 3 8-2HBC-82 9
Jan.ll,79 x
9A
-Sept.11,79 Note 3 l
9B
' Sept.11,79 Note 3 36/26-OHBC-19 10 March 20,79 x
10A Note 4 s
l 10B July 23, &
'24,79 x
26-WBC 11 Apr 5&6,79 x
26-OHBC-5 5 12 Apr.7&9,79 x
Probe pulled through twice 26-WBC-16~
13~
Apr.3&A,79 x
Probe pulled through twice 13A.
Jul 25 7 x
Mar.22&2$,9
- 36/26-OHDC-19 14 79 x
7W0-C82-53-3 Note =1:. Table 11 was mistakenly identified. Should be reidentified as Table 3A.
Note 2:. Table 12 wns mistakenly identified. Should be reidentified as Table 4A. Tables 4A
& 4B should be reidentified as 4B & 4C respectively.
?bte 3: Tuo conplete surveys made on same day. Data to be averaged.
.j,'j Note.4: Table 14 was mistakenly: identified. Should be reidentified as Table 10A.
>a m=sx D
4i 772C-082-53 3
s 1
i I
y APPENDIX A d
i INSTRU31ENT !!ANUFACTURERS' LITERATURE Borros Anchor
. Geonor )!-200 Field Piezometer Piezometer Research & Development Corporation Single-Tubing Piezometer Trans-Tek Displacement Transducer i
The.Nold Aquaducer Full Profile Settlement Gage j
- The Nold DeAerator.
s 4
t l
1
. stu_-___ m 7220-C82-53-3
-,--g
'f 1/4" 9 E.H. Blm. Steel Pipe Std. pipe Thread @ Top,l5" Long e *5" Right Hand Pipe-
]
I" Wrought Steel L/R Pipe Coupling
'i Thread g
s D
-d Lef t Hand Pipe -
p'1 Throod j
W!
h j
{
washer b
k, k
i:
iv 4
p t/4" Steel Disc--
{ ef 7/8 0 T
3 E n
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y 5 i
b 5 $
I. V p
s s I"# Std Bin. Steel-b f g
Pipe LH. Pipe l j j k 3,,
Throod @ Top.
{ ]l 8" Long II" Long s
Prongs (3 @ 120* )
E
=
h !
$ 7
$ k b k
=
3 s
$ E E
d 6 I E 6
% 5 5 l h !
! I i s s i 2
- r s
$ f i
f j l k Full Penetration j 5 R
~
j j k 3/8" Curved Slots in Tip 1
5 k
- g._ s,_
h k..
NOTE:
5*
ico Point 2
p Pnoouct or sonnos A s-swtetN BORROS ANCHOR N'.
AaS Co.
(SHOP DRAWING) 7220-C82-53 3 S-W
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Accurate measurements of pore water pressure are today a basic requirement in soil engineering. They are important in connec.
I tion with subsoil explorations, where such measurements also
{'
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give a possibility for field measurement of the permeability of r
4 the various soil layers. Pore pressure measurements are vitally
..g,
J significant during excavation work when there is a danger of
.j piping or when a ground water lowering of adjacent areas is M-j j
b feared. Moreover, a field control of the stability of slopes or
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y,.]
of settlements of embankments on soft soil requires reliable
~']
'4 measurements of the pore water pressures.
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The piezometer point manufactured by GEONOR A/S is of s
simple, robust construction and is quickly and easily installed.
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s
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The point is pressed or driven into the ground, without pre-
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boring. so that leakage along the outside of the extension tubes is avoided. Because of the small cross-section of the piezometer 7:. 4 i re tube and the relatively large filter area, it has a very small time M.d -
O b
lag, satisfactorily small for most practical applications. The 7F 1
.F j equipment is genererally used as an open system with a plastic
.{~M T'c.$ l g
piezometer tube.
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DESCRIPTION OF EQUIPMENT
.U } I N
The piezometer consists of a hollow stem in the lower end on MI A
which is screwed a conical point. Three sintered bronze filters
.- +d i.
-
Y,~ '
k are mounted on the stem. Chamfered brass rings are employed
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%Qi as support and sealing for the filters. The top of the filter stem f,.j g Q.7 is provided with external "E-rod" threads for connection to
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d I','-f '
the extension tubin;.
$~d 4w For the piezameter tube itself. 8/4" i'd plastic tubing is usually
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' 3?/t1 Q
used. (Plastic tubing with 8/." i'd, or a two-tube system corres-Ji'9 Q
'i
.'je: '
l ponding to that used in pore pressure cells for earth dams, can T.
~ ih
{
q also be employed.) The plastic.ubing is screwed inside the top
- Ej ';,
Y.:'{j of the piezometer stem and scaled by a rubber "O" ring which
.i
'a i is compressed by a gland nut. The plastic tubing can be leng-N.
T.I.'
thened by the use of special connections.
3 - J
-dk OEU ' ;
k For the exten - tubing. diamond core drill rods (E) are em-pC played. Other Ces with flush joints and an outer diameter of
~ ;N
Y 18/4" or more can also be used. (The ball-cone clamp supplied M'h.
'l
.3 M by GEONOR A S.for respectively driving and ramming piezo-AJ g","{
g d
meter tubes, are designed to grip tubes with an outer diameter
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~ 1:" Irt..8 E Dq.;g of 18/4~)
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l EONOR i 7220-C82-53-3 '
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SINGLE-TU8ING PIEZOMETER (NOT TO SCALE)
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PIEZO.'.!ETER
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. RESEA'lOH A DEVELOP.'!E:'T wN i
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CORPORATION l
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a o a o MU JU.\\ th13 7220-C82-53 3
-lMN IYt5 mmmmm DISPLACEMENT TRANSDUCER DC-DC smsm 3 TO 30 VOLT EXCITATION 6
FOR A DC VOLTAGE OUTPUT l
C:.';,.
PROP 03Tl0NAL TO DISPLACEMENT
" 'l O DC In, DC out O Adjustable scale factor I
O No phasing, harmonic or quadrature nut! problems O Polarity protected
?
O zero hysteresis i
O Stepless output O Excellent repeatability iI O High output O Up to 8" range O Extreme linearity O Fast response O Lightweight I
=
t t
i DESCRIPTION The Trans Tek Series 240 displacement transducer is an integrated package consisting of a precision linear variable
)
differential transformer, a solid state oscillator, and a l
L phase sensitive demodulator, I
h The transducer is designed to combine in one sraall but -
k j' rugged package the achievement of excellent linearity, C,;
ij infinite resolution, and high sensitivity. The phasing, quad-8 rature null and harmonic problems often experienced with t
AC d;fferential transformers are eliminated.
J :) I I
input and output circuits are electrically isolated from each l*
other and from the coil assembly housing, making them O
usab!e directly in floating or ground return systems. DC indicators, recorders, and control systems can usually be I
driven directly by the large DC output. The core, when l
i displaced axially within the coil assembly, produces a volt-age change in the output directly proportional to the g
displacement.
O
{
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\\
PRINCIPLE OF OPERATION 4
The oscillator converts the DC input to AC, exciting the primary winding of the d.fferential transformer, Voltage is CONSTRUCTION induced in the secondary windings by the axial core posi-O tion. The two secondary circuits consist of a winding. a H
All materials have been selected carefully to achieve opti-mum performance. Tne stainless steel housings, coil as-The circuits are connected in series opposition so that the sembly, oscillator demodulator, and Teflon-insulated leads resultant output is a DC vo!tage proocrtional to core dis-are carefully encapsulated in epoxy resin. Oscillator-placement from the electrical center. The polarity of the
)
demodulator components are individually selected, to as-voltage is a function of the direction of the core displace-sure accuracy and rehability.
ment with respect to the electrical center.
iNstmucTioN SuLLETW MSGo e,
7220-C82-53-3 1
q APPLICATION INSTALLATION A Series 240 transducer can be used '.o measure physical-A Series 240 transducer can be mounted by clamping j
functions which can be translated into a linear displace.
around the housing to a physical refererre point. The i
ment. Typical applications include servo position feedback, dynamic member to ' be monits, red is coupled to the sensor for pressure transducers, strain measurement in threaded connecting rod of the core assembly or to the structural members, automatic gaugirig, and machine
. optional core by means of. a threaded extension rod.
control.
Mounting hardware should be of nonmagnetic materials such as brass. aluminum, or 300 series stainless steel.
CORE OPTIONS,
l
___3 g,,,
,, g y
f.,g option Fig. Pt. No.
8 C
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[x w.vr
= %,,
ouwo.
m.emotos
.g 7.,E000 Std.
I C04 000
.562.120. - 1.90 8
M* '- - - - - - - - - - - - - - --M" 240-000 1
I C04-001
.562.099 - 1.90 240-000 2
2 C05-002
.562 '.120 thru -
We' '.'/EE "cdEUr """"
240 000 3
2 C05-003
.562.099 thru -
241 000 Std.
1 C04-004
.750.120 - 1.90 CIRCUIT DIAGRAM 241-000 1
1 C04 005
.750.099 - 1.90 241 000 2
2 C05-009
.750.120 3/16 -
241000 3
2 C05-010
'.750.099 3/16 -
242-000 Std.
I C04 010 1.75.120 - 1.90 242 000 1
1 C04 006 ' l.75.099 1.90 ee ws.
~
243-000 Std.
1 C04011 1.87.120 - 2.40 243-000 1
1 C04 007 1.87.099 - 2.40 m
n I
[p. -
a*
i~
244 000 Std.
I C04 012 2.00.120 - 3.20 244 000 1 ~
l C04 003 2.00.099 - 3.20 Ne l
245-000 Std.
1 C04-013 3.50.120 - -5.20 l
245-000 1
1 C04 009 3.50.099 - 5.20 7 46 000 Std.
1 C04 014 3.50.120 - 8.40 t
DISPLACEMENT VS. CUTP.UT DIAGRAM 246-000 1
1 C04 015 3.50.099 - 8.40 4
Nutt
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FC 1 Ec
?sQ o o cREEN _ REo BLUE h
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c 3 72 uNr 2A s % t'c THo L-I T
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3*
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8 FIC 2 N
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43 i
1-72 UNF.2e THo Do'P
$([ CoR( OPTIONS
.125
' DIMENSIONAL DIAGRAM '
a0 7220-C8?-53-3
k Y
d
\\
ELECTRICAL SPECIFICATIONS _'
' l Model Numcer 240 000 241000 - 242 000 243 000 244 023 74? 000 -
?;f P~ l Range, working 2 0.050 -
2.100 2.250 2.500 2 1.00 2 2.00 23.00 Max. usable 2 0.075 2.150 2.375 2.750 2 1.50 2 2.75 -
t4 00 Input, volts DC 3.0 Min to 30 Max. -
Output, full scale DC 2 (nom.)
,~
open circuit
.- 0.55 -
1.0
@ 3 V. inout -
0.8 1.4 2.0 2.0 1.5
@ 6 V. input.
- 1.2 -
2.1 1.6 3.0
- 4.3 4.0 3.1
- @ 15 V. input 3.0 5.4 4.2 7.5
-10.8 10.0 7.8
@ 24 V.nput 5.0 9.0 7.0 12.5 18.0 16 0 13.0
@ 30 v. input 5.9 10.7 8.3 14.8 21.4 20 0 15.4 input current 2.8 ma @ 3 v. input to 52 ma @ 30 v. Input
LINEARITY % FULL SCALE OVER TOTAL WORKING 20.5' 20.5 20.5 20.5 20.5
. t 0.5 20.5-RANGE
[
OVER MAX. USA 8LE RANGE
-21.0 2 I.0 21.0 21.0 m 1.0 -
21.0 s 1.0 -
4 Internal carrier -
Freq. H2 Nom..
13000 12000 3600 3400 3200 1500
,1400 i
greater than
% Ripple fRMS) nom.
0.7 0.7 0.8 0.8 0.8 1.0 1.0 Output impedance (ohms) 2500 3500 5200 5500 5600-5500 5600 j
$'$'[*M5' 300 140 115 110' 100 110 75 j.
Temperature Range
-65* F. to + 250' F.
Resolution infinite J
}
L i
i 1
j PHYSICAL SPECIFICATIONS 4
^
l tsocer N.:~te 2aCCs-
2 D:
~ ~
2;; M 24-~~~
s l
i-
$$5yD'Y n
0.87 1.12 3.21' 3.71 4.71 8.21 10.52.
[
hg'$tsr s) 22 28-70 -
80 104 180 220 Ng7'g7g$Y,3 1.6 2.1 3.4 3.8
- 4.3 7.0 8.1 h#
' 822 AWG by 18' long T4flon insu?ated leads m
s Ec 0.34 0.46 1.44 1.69 2.19 3.94 5.09 i
PEPMCEMENT CORES '
\\ Vccal Nu~rnr 2 00;0 2 b000 ~ 241 003 j ? 0"O 24: 000
45 G3
:*~'l
['
Replacement cote -
. C04-000 C04-004 :
C04 006 C04-007 C04-008 C04 009. C04-014 Part Numbers C04-001 J C04-005 C04410 C04-011 C04-012 C04-013 C04-015
- C0 5-C
COS-009
' C05 003 C05-010 Ir
,*Lineerity is cetinett es the steviation from the best stre:ght line pessing tMu tero. I: less then o.5% of the total full state cutput over
. the total workir-g renge, en. (Mocel 146400
e,-
total working range is 6 00 enches) or 2% of the total vsnute range.
-(
k 51 3
~
'7220-C82-53 3
,iy.
.., =
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,>-+-,,y--,--
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MODIFICATIONS WARRANTY Transducers for special applications are available. Consult All Trans Tek transducers are warranted against defective Trans Tek. Inc. on your particular requirements.
materials and workmanship for one year.
N C:3 ORDER PLACEMENT NOTES United States: orders should be made out to TRANE TEK, All specifications and prices subject to change without Inc., sent in care of your local TRANS-TEK representative.
. notice. Contact Trans-Tek for quantity discount prices avail-t or directly to TRANS.TEK, Route 83, Elimgton, Ct. 06029.
able on all models and on combined orders. (For areas international: contact your local TRANS TEK representative beyond the United States. contact the international representative.)
o CD TRANS-TEK'S PRODUCTS ARE MARKETED NATIONALLY AND INTERNATIONALLY THROUGH DUR SALES REPRESENTATIVE SYSTEM.
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7220-C82-53 3 mmr: m m U*
Pr.crea.a u s A
!!b bAuf gootechnical instrumentation THE NOLD AQU 4DUCER
FULL PROFILE HORIZONTAL SETTLEMENT GAGE rw jm t
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1.0 INTRODUCTION
Several methods exist for measuring settlements within a fifty feet. Air bubbles would form within the water lines, soll mass. These f allinto two main catagories; vertical tube creating inaccuracies of varying unknown extents. Since no and remote gages.
means were known for creating water completely free from The most frequently used vertical tube gages are the settle-dissolved oxygen (which caused the bubbles), the use of this ment platform and the USBR telescoping tube crossarm de-instrument had to be abandoned, vices. All of the gages in this group require that casings or it was quite obvious that the principle of this instrument pipes be carried up vertically through the fill as construction was sound and worthwhile. Because of this the Walter Notd proceeds, with consequent interference to filling operations Company devoted one year to a research program to work and risk of damage to the gage. The nuisance value is consid-out a simple system for providing de-aired water of the high-erable.
est possible purity. The result was the discovery of a new Many types of remote settlement gages are on the market technology; a means of mechanically lowering the boiling in which a cell is buried in or beneath the fill, with hydraulic point of water so that the dissolved gases could bedriven tubes or electrical cables leading away, normally in a trench, off without heating. See the papers relating to the 'Nold to a resDut urut remote from construction operations. Most DeAerator'. Water to absolute dissolved oxygen purity could c4 the** t'apf Jneasure the settlement of one point only.
This is often not suitable from the economic standpoint when now be obtained (although 98% DO removal is sufficient);
Because of the advent of the DeAerator,a suitable settlement many measurements are required over a large area.
gage was possible.The Aquaducer emerged af ter a long 1 1/2 in 1966 a new settlement gage was developed at the Swe-year effort, with the assistance of Mr. C. John Dunnicliff, of dish Geotechnical Institute (reference Bergdahl, U.,
and Soil and Rock Instrumentation, Inc., Newton Upper Falls, Stoms, B.B. (1967), **New Method of Measuring in Situ Mass.,
Settlements." Journal of Soil Mechanics and Foundations Division. ASCE, Vol. 93. No., SM5, Part 1, ppg. 5157),
2.0 OPERATION OF THE AQUADUCER that provided a means of obtaining a full profile of settlement As shewn in the above,a 11/2 inch ID thick-walled PVC readings with one instrument.
pipe (Schedute 80) is laid into a shallow trench on the ground This preliminary work formed the background of the Aqua-surface, or at any elevation within the fill, and subsequently ducef design. Two instruments were purchased for use in covered with fill rnaterial. A gage support must be construct-connection with other instrumentation for the Ludington, ed at one or at both ends of the PVC pipe, depending upon Mschigan Pumped Storage Reservoir. These instruments how the system is to be used. Two supports are necosary were so poorly engineered to the extent that they were of for lengths of pipe over 500 feet, so that the torpedo can be no use whatever. The response time was extremely poor due introduced from either end. The standard length of hose to the resistance of the lines and the tubing length was only contained within a reelis 500 feet. If desires. another reet, l
7220-C82-53-3 CALTER NOLD Company 24 Birch Road, Natick, Massachusetts 01760, U.S.A.
5*1 617/6531E35
THE NOLD ASUADUCER," c;ntinuation Page Twn containing a 500 foot extension hose, may be employed, for This may be greatly increased, like the tubing length,if re-l a total of 1000 feet. This makes possitsle a surveying length quired.
of 1000 feet from one end of the buried pipe, or 2000 feet The settlement accuracy is from 1/4 to 3/4 in. depending from both ends, if desired, greater lengths can be furnished.
upon the amoun: of care used while taking a reading. 1/2 i
4.s Inch accuracles are more ilkely, with moderate care.
6 O
4.0 FIELO OPERATION g
it is possible for the gage to be operated by one ' man.
--v-----------
However, when both ends of the curled pipeareopon and e
ses
!)
a traction wire is being used,it is helpful for a second man to be available to assist in the reeling and unroeling of the hose.
Lgg in practice it takes from twe to three minutes to achieve a 1
7 S
g----
pressure balance,take a reading, and to move the torpedo to g
the next position. A 200-foot profile can therefore be sur-Q eens voyed in about 30 minutes, excluding set.up time, by taking readings at 20-foot intervals.
Reierr:ng to the above illustration,the end of the PVC pipe serves as ce length reference with regard to the instrument 5.0 DETAILS OF CONSTRUCTION tubing to be irgerted. The readout box, which contains the The metallic items making up the Aquaducer are fabricated pressure gage and the' water level scale (standdpe), is support.
of aluminum, brass, or stainless steel. One item is plated ed by a No. 7 round stsel bar embedded in the concrete steel.
block as shown on the previous page. The top of this bar is The readout box is constructed of heavy.093 inch thick the surveyed height reference point of the system. The Zero aluminum. It is of the transit. case type conforming to most marking of the standpipe is at the same level.
of the provisions of MIL.T-945A. It is coated with a baked in operation the torpedo is inserted into the PVC pipe for bright orange-yellow enamel, a length as measured by the markers on the hose. The upper The torpedo is constructed of brass and houses the latex surface of the water is opened to atmospheric pressure and its balloon, which is held in place with tight fitting 'O' rings.
level adjusted to the Zero mark of the scale by means of a The water and air carriers consist of nylon tubes running manually operated piston. Through use of a medical. type of parallel to each other, and taped together by means of vinyl squeeze bulb, air pressu're is introduced to the system. This electrical tape. Length markings are at 20-foot intervals.
causes the balloon to inflate and the water level to rise. Pres-Standard stainless steel receptacles of the quick. connect sure increases until the water level reaches anywhere be-types are used at the ends of the cable for easy attachment tween 2.5 and 5.0 inches as indicated through means of the to the readout box, and to splice the two 250-foot lengths eight-inch standpipe scale. A linear relationship exists be-of hose together.
tween the air pressure introduced (to counter the weight of The hose reel consists entirely of. aluminum, suitably the vertical segment of the fluid) and the water displacement finished and of welded construction. The ringed sections between the stated limits. That is, inches of air pressur. is are of heavy 1 in:n diameter tubing, accurately formed in eval to the displacement of water,which is also measured special machines to achieve balance, in inches. To obtain the difference in elevation between the The entire design is simple in nature and quality engineered 1:p of the No. 7 steel bar and the torpedo, the reading of the and Constructed. Repair is simple to accomplish as a result.
water level at the standpipe is subtracted from the reading of the pressure gaget both in terms of inches. No further calcu.
6.0 MAINTENANCE 1: tion is necessary when the fluid is watst.
Due to the nature of the system, the Aquaducer requires a degree of maintenance. The lines must be regularly check.
3.0 RANGE OF READINGS ed for air bubbles. The system should be flushed with newly The Aquaducer is fitted with 500 feet of hose. For long prepared de-aired water two or three times a year. The lengths of buried PVC pipe, a traction wire is left within the latex balloon should be changed once a year. Anti. freeze pipe (sometimes nylon roce is employed). With this tubing preparations must be used for sub. freezing temperatures.
1:ngth, providad the pipe is open at both ends, a 1000 ft.
foot profile can be surveyed. Tubing lengths of 1000 7.0 FLUID USED BY THE AQUAOUCER feet are available (and proven in use). Since the accuracy The fluid normally used is distilled water, de. aired to 0.2 does not change with tubing length, the only limiting f actor parts per million of dissolved oxygen. This level removes all other than the strength of tubing, is the amount of tirne but 2% of the dissolved air in water. A small amount of 13 obtain a reading, which is 31/2 minutes for a 1000 ft.
coloring is added to the water.
- length at above. freezing temperatures. Somewhat longer The Aquaducer is sold only in conjunction with a Nold l
time is required when the system is used at lower tempera-DeAerator to insure a supply of de aired water. Since this tures.
apparatus is used only once in a while, it can be employed The standard settlement range (difference in level between practically full-time in adjacent labora}ories specializing in the steel rod reference point and the torpedo) is 280 inches.
_ soils testing.
D'f 7220-C82-534
gootechnical instrumentation e
l 1
S/
'.Y, !.,..]
THE NOLD DeAERATOR II
~~ ;.1 *
.] ' %,] j Y,.jy FEATURES 4
f..M.Nh'. A I b
e e Produces extremely pure deserated water Q.
1
Fast and efficient
't T
3*9[O
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Economical J ' +Z -
L
Low power: 1/50 hp (motor) gg g,_j e Simple, safe, easy to operate 3
'*j
Compact and complete
,7 7_
g e Portable g
Model shown in the 6 liter unit a
j (7.5 X 7.5 X 20"); larger units designed upon special request.*
e
1 4
e Available only from Walter Nold Company
=
==
TYPICAL APPLICATIONS (Apparatus)
TYPICAL APPLICATIONS (System) e Soils testing laboratories e Oil distillation Permeability measurements e Municipal water supply purification Specific gravity measurements
Chemical stripping e Liquid manometer and se:tlement gages e Cavitational cleaning of large units
Flushing of piezometer and hydraulic systems e Liquor evaporation / concentration e Degasification of transformer oil
Liquid defoaming e Kidney dialysis machines, water supply
Degasification of milk and liquid foods
Drinking water purification 1
GENERAL i
i The principles employed by the DeAerator were discovered in 1970. A new method of mechanically generating the phe-nomenon of cavitation was employed to literally beat gaseous and volatile components out of their dissolved state to amazingly high purity levels. Prior to the discovery, the generally accepted method was to boil water under.&cuum.
Usually the results were unreliable, and typically 4 liters of water to a S PPM DO purity would take approximately45 minutes to prepar's. With the DeAerator,6 liters of cold, ready to-use 0.6 PPM DO water can be produced in 5 minutes wiO4out the use of heet.
A DeAerator System is currently available whidi produces 1 liter per minute of water deaerated to the above purity on a continuous or upon demand basis. It is completely automatic and can be applied to systems requiring unlimited capar-ity and purity.
.),)
)
' WALTER NOLD Company 24 Birch Road, Natick, Massachusetts 01760 617/653-1625 7220-C82-53-3
b-poetschnical instrumentation 20 -
} 15-B g
aa
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5 DeAerator Performance Curve (6 liter unit) c d 10 -
t:
N*
i Tig 5-ens 0
I i
1 I
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i 4
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0 1
2 3
4 5
6 7
8 9
10 Running Time-minutes NOTES The necessary moderate 25 Tort vacuum required for operation is obtained through use of a supplied laboratory type of aspirator. This vacuum is attained at sea level conditions when tho' water employed is at a pressure
{
of 350 kPa (50 psi) and at a temperature of 1316 C (55-600F) with a consumption of 15 liters per minute.
0 Under these conditions, the DeAerator will reduce the dissolved air content to 0.6 ppm (95% removal) within four minutes after filling. Lower purity levels may be attained with longer running time.
Through use of vacuum pumps having sufficient capacity, the DeAerator will reduce the carbon dioxide con.
tent in water from 3500 to 5 ppm in five minutes, and ammonia content to 2.8 parts per billion in twenty minutes. Water to absolute dissolved oxygen purity may be produced and held under pressure without fear of contamination regardless of the time factor through use of the Continuous DeAerator System.
PARTIAL. LISTING OF CUSTOMERS U.S. Bureau of Reclamation, Denver, Colorado University of Alberta Edmunton, Alb., CN U.S. Army. Cold Regions Laboratory, Hanover NH University of Newcastle, Newcastle UK British Atomic Commission, London UK University of Ottawa, Ottawa, Ontario CN Ortho instruments (Johnson & Johnson) Westwood MA University of Rhode Island, Kingston RI Distrigas, Staten Island NY
- University of Roma, Rome, Italy Ministry of Works, Aukland, New Zealand University of Saskatchewan, Saskatoon, Sask., CN Soil and Rock Instrumentation, Newton Upper Falls MA University College of London, London UK Stone and Webster, Boston MA Northeastern University, Boston MA U.S. Army, Waterways Experimental Station Vicksburg MS Brighton Polytechn.ical, Brighton UK Corps of Engineers, Waltham MA Oxford University, Oxford UK Tehran Berkeley, Tehran, Iran
. Worcester Polytechnical institute, Worcester MA New England Power Company, Westboro MA Texas A & M. College Station. TX National Research Council, Gov't. of Canada, Ottawa CN institute of industrial Research, London UK 722C C82-53-3 Potented in United States of Amence and Canada. Interneteonet potents pending.
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7220-C82-53 3
APPENDIX 'B INSPECTION, INSTALLATION AND READING PROCEDURES 4
PROCEDURE NO.
TITLE Inspection Procedures 1
. Procedure for As-Received and Installation
~ Inspection of M-206 Piezometers 2
Procedure for As-Received and Installation
' Inspection of Borros Anchors 3
Procedure for Inspection of DCDT Crack Gage Installation 4
Procedure for Installation Inspection of Settlement Platforms 5
Procedure for As-Received Inspection of i-Nold Settlement Gage
_ Installation Procedures 1
Procedure for Installation of Piezometers 2
Procedure for Installation of Borros Anchors 3
Procedure for Installation of DCDT Crack Gages 4
Procedure for Installation of Settlement Platforms Reading Procedures 1.
Procedure for Measuring' Piezometer Water Levels 2
Procedure for Monitoring and Raising Borros Anchors 3
Procedures for Reading DCDT Crack Gages 4
Procedures for Monitoring and Raising Settlement Platforms.
5 Procedure for Reading Nold Settlement Gage I
u-u u nmNtGAL INM h u M f 4 f Al u WJ t N #Ji i e t -
7220 C82-53 3
2220-QA-7 GZD JOB NO. 2220, MIDLAND PLANT PROCEDURE FOR AS RECEIVED AND INSTALLATION INSPECTION OF M-200 PIEZO5fETERS
. INSPECTION-PROCEDURE NO. I 1.
Check for filters and rings in place and document on Form PZ-I-1.
2.
Check that the E-rod chread mates to rod and document on Form PZ-I-1.
3.
Check for overall field suitability of assembled instruments and document on Form PZ-I-1.
4.
Document inspection of the piezometer as indicated above, the date of inspection and signed approval of the inspector as pro-vided on Form PZ-I-1.
5.
Measure the depth of the borehole and document on Form PZ-D-1 6.
Make sure the water in the borehole is adequately clean.
7.
Make-sure piezometer has been soaked.
8.
Observe, measure and document the placement of the initial Ottawa sand as'provided on Form PZ-D-1.
9.
Observe the placement of the instrument into the borehole.
10. Measure the instrument depth and document on Form PZ-D-1.
11. Observe, measure and document the-placement of the remaining Ottawa as provided on Form PZ-D-1.
12. Observe, measure and document the placement of the bentonite pellets.as provided on Form PZ-D-1.
13.. Observe the document the placement of bentonite as the backfill material above the pellets as provided on Form PZ-D-1.
j
14. Check and document measurements made during the installation, the inspection date, and the signed approval of the inspector as provided on Form PZ-D-1.
15.' Send a copy of forms to GZD home office, retaining a copy on site during the installation period.
Signed h-N C.J.Dunnicliff
]
Rev.
.Date Description By
'No'.
0 12/7/78~
1
'12/13/78 Add references to forms CIS
^
7220-C82-53-3' M
(.
RECORD OF CllECK ON PIEZOMETER MANUFACTURER'S SPECIFICATION AND FIT OF MATING PARTS PIEZOMETER FILTERS AND E-ROD THREAD CHECK FOR DATE RINGS IN MATES TO FILTER PLACE ROD SUITABILITY YES NO YES NO YES NO l
l l
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l I
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I l.
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1 i-
.)
FOR)! PZ-I-1 I.it8 7220-C82 53-3
Tubing OEPTH l
/*WD' king Elevation l
iTE M
- Setow ELEVATION 4 Above (ft )
i v.
WORKING l
l ELEVAT!ON E
y j.;.,.l.
Bentonite Slurry o
80Trou OF
... * -l BOREHOLE w
j n
h j,.*.*
.*.*.,l PIEZOWETER N
W
?. - j t# * ' * ". '. '. 'i.
TIP a
E h
[,
b...
+2' Ottowo Sand TOP OF SAND I.
l..ff.........j LAYER Ww m
i TOP OF j.*** *,. *. *
+15" Bentonite Slurry BENTONITE l
PELLET SEAL g
$"N Mfl o
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l M g
t l
PEZOMETER '0D
+
l
+2. Ottowo Sed INTERVAL O
?
l bottom Gj lAM 4Y;.4!
I
~15" Bentonite Pellets
.. f INSTALLATION DATE:
4E i, ' ' ~
~~~ :
BORING Co,8 FOREMAN:
o l
24" Steel coupled GZDAINSPECTOR:
g Coswig 2
u.
'E U~
i E
,,,, Porous tube SPLITSPOON SAMPLE TAKEN FROM o
Pozometer to (dept h).
iEo
'. d BLOW COUNTS (per 6 in.)
~5' Ottowo Sand
~~
y g.y SAMPLE DESCRIPTION :
H e.g M n...
m 4
i*
IeOu.
m NOTES:
zH 1.)
INSTALLATION PROCEDURE No.1 FOLLOWED g
2.)
TU8ING* SIZE :
3/8"1.D.
0 TYPE =
POLYETHELENE
3) REFERENCE MARK:
O 4.) PIEZOMETER NUMBER MARK:
5.) FINAL ACCEPTANCE BY:
DATE:
a i
MIDLAND PLANT-DIESEL GENERATOR BUILDING HYDRAULIC PIEZOMETER -INSTALLATION LOG-say INSTRUMENT No.
N l
FIGURE No. PZ-D-IA GEOTECHNICAL INSTAUME14TATION f..NGINEEA5 l5 l
3 g g.
.7220-C82-53-3
1 Inspection Instructions
1.. Prior to installation, the inspector will become f'amiliar with the installation procedures.
2.
Inprocess Inspections.
4 Borehole - Assura.the borehole has been properly
a. -
. cleaned to depth required.
b.
Piezometer tip - assure the tip has been inserted as required without damage to the tip and tubing.
c.
Top of' sand layer - assure sand has been properly placed to level required.-
d.
Top of bentonite pellet seal - assure seal has been properly constructed.
Other inspection points may be added by the inspector as required. Upon satisfactory completion of each point the
- inspector will initial and date the appropriate column.
3.
Any discrepencies noted during installation will be described i
in the remarks column along with the. disposition. The inspection report will remain open until all discrepencies are resolved.
4.
Final acceptance. After the instrument has been inctalled to the project requirements, final verification shall be completed and the appropriate block signed off.
Form PZ-D-1 g.g Page 2 of 2' 7220-C82-52 3
02220-QA-7 GZD JOB NO. 2220 MIDLAND PLANT PROCEDURE FOR AS-RECEIVED AND INSTALLATION INSPECTION OF BORROS ANCHORS INSPECTION PROCEDURE NO. 2 1.
Check-anchor, making sure i" rod is connected to prongs and docu-ment on Form BA-I-1.
2.
Check for reverse threaded coupling being mated to thread and document on Form BA-I-1.
3.
Check for'overall fielt suitability of assembled instrument as indicated above and document on Form BA-I-1.
4.
Document the anchor inspection, add the inspection date and signed approval of the inspector as provided on Form BA-I-1, 5.
Check and record hose length.and check to ensure it is greased inside'and outside and document on Form BA-D-1.
6.
Make sure the water in the borehole is adequately clean.
7.
Observe placement of the instrument in the borehole.
8.
Measure instrument dcpth and document on Form BA-D-1.
9.
Measure anchor drive and document on Form BA-D-1.
10. Measure drive of i-inch rod and document on Form BA-D-1 if driven less than six inches.
11. Measure pullback of 1-inch pipe and document on Form BA-D-1.
12. Observe-the-placement of sand in the borehole.
13.~ Observe and document the placement of the backfill material as provided on Form BA-D-1.
14. Check and document measurements made during-the installation of the instrument and the date of installation, and the signed approval of the inspector as provided on Form BA-D-1, 15._ Send a copy of Forms-to GZD home office, retaining a copy on-site.during the installation period.
Signed Ok w e' C. J. Dunn'icliff
-Rev.
Date Description-By I
No.
k b
.O 12/7/78.
1 12/1378
. Add references to forms C23 g3 72210 C82-53-3
RECORD OF CHECK ON'BORROS ANCHORS
' MANUFACTURER'S SPECIFICATION AND FIT OF MATING PARTS ~
ti BORROS i" ROD CONNECTED 1" COUPLING MATED
' CHECK FOR DATE
' ANCHOR TO PRONGS ~
TO THREAD FIELD-i SUITABILITY YES~
NO YES NO YES NO f
d e
?
.i J
i i.
L R
4 7220-C82-53-3:
FORM BA-I-1
9 Preectie Pipe p:= l ITEM
- Be ow ELtNATION lN IA
& Cop
+ Abe (ft)
[nTE WORKING ELEVATION ROTTOM OF BOREHOLE
{ Working Eisvotion ii -~
~
ANCHOR DRIVEN TO BOTTOM OF l' g
PtPE SLEEVE TOP OF l' PIPE SLEEVE j
TOP OF_
u.
1/2" RCD I
y j
o 0"
INSTALLATION DATE:
CHome P%
3 BORING Co.1h FORENAN h
g[steet Washer GZDA INSPECTOR:
i E
I
_a 14" 12" y
REMARKS:
e E
i E
ISe 5
NOTES:
j 1.) INSTALLATION PROCEDURE No. P. FOLLOWED.
2.) ANCHOR DROVE (f t,in)
- 3) I" PIPE PULLBACK (ft,in)
4) RUBBER HOSE PLUG LENGTH ft.
2
[
5.) BOREHOLE BACKFILLED WITH g
6) REFERENCE MARK F
7) B A NUMBER MAftK 1/2" ROD 8
8) BA NUMBER MARK 1"
PIPE
(
9) FINAL ACCEPTANCE BY:
DATE O
ac h
MIDLAND PLANT-DIESEL GENERATOR BUILDING
=
5 BORROS ANCHOR INSTALLATION LOG-w d
INSTRUMENT No.
W FIGURE No. BA-D-l GEOTECHNCAL INSTAUMENTATION ENGINEEAS page 1 or 2 7220 C82-53 3 f >. _ -
u
t Inspection Instructions 1.
Prict to installation the inspector will become familiar with the insta',lation procedures.
2.
In process inspection a.
Borehole: Assure the borehole is drilled to a depth of approximately two feet above desired location.
b.
Anchor driven to: assure the anchor is properly driven into the hole as required by the appropriate procedures.
1 c
Bottom of one inch pipe sleevet assure the one inch pipe is properly installed and driven to proper elevation.
d.
Top of one inch pipe sleeve:. assure the pipe is properly i
installed.
e.
Top of % rod: assure the pipe or rod has been installed as recuired by the appropriate procedures.
't 4
Other inspection points may be added by the inspector as required.
Upon satisfactory completion of each point. the inspector will initial' and date the appropriate column.
3.
Any discrepencies noted during installation vill be discribed in the remarks column along with the disposition. The inspection report will remain open until all discrepencies are resolved.
l l
4.
Final accep'tance. After the instrument has been installed to the project requirements, final verification shall be completed and the appropriate block signed off.
)
1
)
l l
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Fom M-N1 i
f...10 j
7220-C82-53-3 Page 2 of 2 1
2220-QA-7 GZD JOB NO. 2220, MIDLAND PLANT
. PROCEDURE FOR INSPECTION OF DCDT CRACK GAGE INSTALLATION INSPECTION PROCEDURE NO. 3 1.
Become familiar with the installation procedure.
2.
Remove three bolts from protective box, loosen fourth bolt to expose DCDT.
3.
Conduct " initial set"'of reading system as per reading procedure, take an instrument reading, and. document on Form CG-D-1.
4.
Slide core towards DCDT body, verify that reading increases in value, and document.on Form CG-D-1.
5.
Make general visual inspection of correctness of locations of all. parts, and document on Form CG-D-1.
6.
Check fixity of DCDT body and brackets with finger pressure, and document on Form CG-D-1.
i 7.
Describe any discrepencies noted during installation, in the i
remarks-column along with the disposition.
The inspection report will remain open untti all discrepencies are resolved.
8.
Final acceptance.
After the instrument has been installed to the project requirements, final verification shall be completed and the appropriate block signed off.
9.
Send copy of documents to GZD home office, retaining a copy on site.
Signed _
C e '*
C.
J. Dunnicliff Rev.
Date Description _
By No.
0 12/13/78' C"JA l
G7 o
7220 C82 53 3
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u. Installation Dates:
Brackets DCDT i Cable yw
$ Installed Dy DCDT E Factor m
h Pradinh: After Installation
, Date c
J Incation Data w
C d
E Cover !bx:
10" x 3" 7.
" 12 m. steel 12 5 1:snicr:0.<
3.. __
inspec. init. :: Date Instivnent "cading C
Reading increasses 'xhen core moved 8D towards irxly E
h General visual inspection
<E Dody and brachet fixity e
RDLARES 2
i 10 h
g
$ Final Acceptance Dy Date a:
l MIDLAND PLANT-DIESEL GENERATOR BUILDING I
CRACK GAGE INSTALLATION LOG-
'lc INSTRUMENT Na a
F$
FIGURE No CG-D-l dll sen csuc D
mgu F RADON ENGINEEAS i
I' o o 1-
- G b' 722C C82-53-3 o
=
2220-QA-7 GZD JOB NO. 2220,- liflDLAND PLANT PROCEDURE'FOR NSTALLATION INSPECTION OF SETTLDIENT PLATFORM
. INSPECTION PROCEDURE NO. 4 1.
' Prior to installation, become familiar with the installation procedures.
2.
lieasure size of platform and document on Form SP-D-1.
3.-
Check that working suNface is level and firm, and document on Form SP-D-1.
4.
~
Check pipe and rod couplings are welded to platform,Jmeasure height of pipe _ coupling, and document on Form SP-D-1.
5.
Check, attachment of !" rod and document length as provided on Form SP-D-1.
6.
Check and record length of 1" pipe and document'on Form SP~D-1.
7.
Check attachment of 1" pipe and document on Form SP-D-1.
8.
Check placement of fill and document on Form SP-D-1.
9.
Check raising of 1" pipe-, measure distance raised, and document on' Form SP-D-i.
10. Note any discrepencies during installation in the remarks-column along.with the disposition-The inspection report _will remain open until all discrepencies are resolved.
11. Final. acceptance.
After the instrument has been installed to
'.the project requirements, final verification shall be completed and the appropriate block signed off.
12. Indicate the dat'e of installation, the name of the inspector and his-signed approval, as provided on Form SP-D-1.
' t
-13.' Send a copy of Form SP-D-1 to:GZD home office, retaining a I
copy:on-site during the installation period.
es i
' * **' t Signed C.
J. Dunnicliff Rev.
Date Description By No.
l
O 12/13/78 7T20-C 82-53 U
,e y-c w
p-.
-m
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,3-as es.-
PLATFORM ELEVATCN FT lT E M YES NO DATE Q
SURFACE LEVEL AND FIRM u
N COUPLINGS WELDED ROD ATTACHED kJ FILL PLACED g
r-7
~
ric
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1"C Rod 3
~ h!
u.
!!E9 8
1/2" $ Rod & Coupling u.
h 3* min.
I" $ Pse & Coupling ion e
1 i
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Q i
=i eF INSTALLATION DATE:
GZDA INSPECTOR:
NOTES:
a:
k L)
INSTALLATION PROCEDURE No.4 FOLLOWED.
50 2.)
FINAL ACCEPTANCE BY:
DATE 5
8
[6 MIDLAND PLANT-DIESEL GENERATOR BUILDING 3
SETTLEMENT PLATFORM INSTALLATION LOG -
z INSTRUMENT No.
m 8
FIGURE No. PL-D-I GEOTECHNCAL INSTAUMENTATION ENGINEEAS 7220-C82-53 3
File #2220-QA-7 CZD JOB NO. 2220 MIDLAND PLANT PROCEDURE FOR AS RECEIVED INSPECTION OF NOLD SETTLDfENT CAGE INSPECTION PROCEDURE NO. 5 i
1.
Check the length measurements on the settlement gage hose and document on Form NS-I-1.
2.
Check that the couplings on the settlement gage hose mate with the couplings on the readout panel and document on Form NS-I-1.
3.
Check that the fluid. shutoff valve.at the top of the standpipe is operational and document on Form NS-I-1.
4.
Check that the panel air valve is operational and document on Form NS-I-1.
5.
Check that the squeeze bulb valve is operational and document on Form NS-I-1.
6.
Check that the fluid in the Aquaducer hose is free of air bubbles and document on Form NS-I-1.
7.
Check the fluid level in the standpipe section of the readout unit as per Section 3.80 of INSTRUCTION MANUAL and document on Form NS-I-1.
8.
Following the' steps outlined in the INSTRUCTION MANUAL, set up the probe alongside a vertical surveyor's levelling rod and record the survey rod graduation on Form NS-I-2 9.
Record the settlement gage reading on Form NS-I-2, following the method detailed in READING PROCEDURE No. 5.
10.
Raise or lower the probe a distance of one foot and record the survey rod graduation i
and gage reading on Form NS-I-2.
11.
Compare the change in height as measured with the survey rod and with the settlement gage and compare with manufacturer's calibration.
12.
Repeat steps 8 through 11 for a minimum of three other pairs of probe elevations and document on Form NS-I-1.
13. Document the settlement gage inspection, add the inspection date and signed approval of the inspector.as provided on Form NS-I-1.
14.
Send al copy of the'. completed Forms NS-I-1 and NS-I-2 to CZD home office, retaining a copy on-site during the monitoring program.
Signed:
W Signed: Ahh,gd sept D. Guertin,:Jr.
I' William R. Belof,ff
Rcv..No.
Date Description By i
10 12/26/78 WRB 0.
.5/14/79 JDG 7L 7220 C82-53-3.
File #2220-QA-8
' DIESEL GENERATOR BUILDING, MIDLAND PLANT
'GZD JOB NO. 2220 - INSTRUMENT INSPECTION RECORD OF AS-RECEIVED INSPECTION OF'NOLD SETTLEMENT GAGE Settlement Gage.-Serial No.
Pressure. Gage Serial No.
DESCRIPTION OF CHBCK GECKED YES NO DATE BY 4
Iangth markers'on hose acceptable-Hose couplings mate with l-readout couplings Fluid shutoff valve on standpipe operational Panel air valve operational Squeeze. bulb valve ~ operational Ibse free of air bubbles Standpipe fluid level acceptable Spot check on manufacturers 1
calibration acceptable-I
'1 d
}
l Signed
~
Date Fom NS-I-1.
7220-C82-53 3-72
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02220-QA-7 t;
GZD Job No. ' 2220 MIDLAND PLAPrr l
PROCEDURES FOR INSTALLATION OF PIEZOMETERS 1
' INSTALLATION PROCEDtfRE NO. 1 i
- 1.
While the piezometer borehole is bsing drilled,and cased, uncoil and
~
cut a length of piezometer tubing which is of adequate length-for the 1
borehole depth.-
' 2.
Thread the outside of one end of the piezometer tubing.- Place E-rod...
j gland nut'and "o" ring on tubing and screw tubing into top of the:
j-piezometer stem. Screw gland nut and E-rod'into the top' of.the i
piezometer stem, using pipe sealing compo6nd on the E-rod thread.
}
Attach 1" steel pipe, as required to the E-rod.
}
3.
Before the tip is placed.in the borehole, the cased hole should be filled with clean water and the depth of the hole'should be about i
'six (6) inched below the planned, elevation of the bottom of the piezometer tip.- About six (6) inches of Ottawa sand should be placed j
in the borehole and allowed to settle. Lower the piezometer assembly into the hole, adding 1" pipe as necessary. -Add Ottowa' sand to the 4
j
.horehole until'the upper level is approximately 18 inches above the i
bottom of the piezomete-tip. - Piezometer depths, sand and bentonite l.
' thickness shall be determined by direct measurements.
}.
4..
Raise casing.as needed and place bentonite pellets in boring until a i
bentonite seal has been constructed ~to about 3 feet above the sand.
5.
Backfill above the bentonite seal with bentonite slurry.
t i
f
(*Q* v ~-,
/
Signed C. J. Dunnicliff
(
Principal in Charge
. Rev.-
No.'
Date' Description By
.0-12/7/78
. c8 i
Coldberg, Zoino, Dunnicliff & Associates, Inc.
9 J
4 4
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J7220-C82 53 3
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2220-QA-7
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CZD Job No. 2220 inDLA!TD PLANT PROCEDURE FOR INSTALLATION OF BORROS ANCHORS INSTALIATION PROCEDURE NO. 2 1.
Advance a borehole, using mud or casing as appropriate to an elevation approximately 2 feet above desired anchor elevation.
2.
Weld approximately 5 feet - 6 inches long section of 1/2" rod to 1/4" pipe attached to ancher. Weld washer to anchor as shown on Figure 1, weld as required.
3.
Make sure the left handed 1 inch pipe thread on the anchor is only lightly hand tightened and greased. The right hand thread on the other end of the coupling should be wrench tight. slace a 3 to 4 foot section of greased gardeu hose on 1/2" rod and push hose into the lef t hand coupling attached to the anchor.
4.
Connect the necessary 1" pipe and 1/2" rod to the anchor.
l 5.
Lower the anchor down the borehole, adding more pipe and rod until the anchor point rests on the bottom.
6.
' Drive the 1 inch pipe a distance of approximately 2 feet until sufficient support is obtained.
7.
Support the 1 inch pipe and drive the 1/2 inch rod to eject the anchor prongs.
8.
Fully open the left hand thread by turning the 1 inch pipe to right.
9.
Raise the 1 inch pipe a distance of approximately 2 feet - 6 inches.
j
10. Withdraw the boring casing if required, while backfilling with sand or pea gravel.,0r. bentonite slurry as appropriate.
11. Add cap to 1 inch pipe.
Signe'd
/
~
C. J. Dunnic1TEf
/
Principal in Charge Rev.-
No.
Date Description g
i
'0 12/7/78 d
l Goldberg, Zoino, Dunnicliff & Associates, Inc.
75 i
0-C82-53-3
\\
2220-QA-7
('
CZD Job No. 2220 MIDLAND PM NT PROCEDURE )OR INSTALL.t2 ION OF DCDT CRACK CAGES TNSTALLATION PROCEDURE NO. 3 1.
Remove retaining cut from Sealtite fitting by sliding over DCDT.
2.
Put DCDT and wire through hole in protective box and seat Sealtite fitting in box.
3.
Reinstall retaining nut over DCDT and on to Sealtite fitting. Tighten nut securely.
4.
Coil DCDT cable within box.
5.
Drill four (4) holes in wall for protective box and two (2) holes for brackets, using concrete drill.
Insert and set expansion shell in each hole.
6.
Mix epoxy, apply to brackets, hold in place with bolts. Cure between 25'F and 80'F for eight (8) hours minimum.
1 7.
Secure protective box to wall with one bolt.
l 8.
Assemble core, spring and tip, install in DCDT body. Slide DCDT into bracket and center.
9.
Read DCDT and adjust to read between 1.0 and 2.0 volts.
10. Tighten DCDT bracket screws.
11.
Spray DCDT core and brackets with silicone spray.
7(i 712C-C82 53-3
9 0
1
12. Coil DCDT wire in box, position on wall and tighten four bolts.
13. Hold point. Hold for inspection.
14. After approval by inspector, remove box from wall and coat flanges inith RTV.
15. Coil DCDT wire in box, positon on wall and tighten four (4) bolts.
Back off bolts 1/4 turn.
- 16.
Spray four mounting bcits with silicone spray.
f
17. Attach conduit to wall.
c *?.
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Signed
~_.
f C. J. Dunnicliff
/
Principal-In-Charge Rev.
No.
Date Description B2 Goldberg, Zoino, Dunnicliff &
j g
Associates, Inc.
l 1
l 77.
7220-C82-53 3
~
2220-QA-7 GZD JOB NO. 2220, MIDLAND PLANT PROCEDURE FOR INSTALLATION OF SETTLEMENT PLATFORM INSTALLATION PROCEDURE NO. 4 1.
Place settlement platform at location and elevation determined by Bechtel, on~a level firm surface.
2.- Weld'a 1" pipe coupling to the platform near its center.
3.
Weld a.t" rod coupling to the platform within the 1" pire coupling.
4.
Attach a length of i" rod to the' rod coupling and tighten wrench tight.
5.
Attach a length of 1" pipe to the pipe coupling and tighten lightly hand tight.
6.
Place fill over the platform and around the pipe, to a minimum depth of 3 ft.
7.
Open the 1" pipe ccnnection by turning the_ pipe counter-clockwise.
Raise the 1" pipe approximately 3".
b*
Signed v
C. J. Dunnicliff Rev.
Date Description By No.
0 12/13/78 i
76 72-2G-C82-53-3
2220-QA-7 GZD JOB NO. 2220, MIDLAND PLANT
(.
PROCEDURE FOR MEASURING PIEZOMETER WATER LEVELS PEADING PROCEDURE NO. I 1.
Complete date, indicator type and number, and initials of I
operator as provided on Form PZ-R-1.
2.
. Remove protective cap.
3.
. Insert water level indicator into piezometer tube until tip reaches water'1evel, i
4.
Note indicator graduation alongside reference mark and record in column headed " Depth to water level, first reading" on Form PZ-R-1.
5.
Enter time on Form PZ-R-1.
l 6.
Withdraw indicator and dry lower end.
7.
Repeat steps 3 and 4, recording depth in column headed " Depth to water level,.second reading" on Form PZ-R-1.
8.
If the two readings differ by more than 0.2 ft, repeat readings until two successive readings agree within 0.2 ft.
l
9. - Average the readings as provided on Form PZ-R-1.
10. Replace protective cap.
11. Determine the reference mark elevation, from Benchmark No. 9, j
as provided on Form PZ-R-2.
Measurements shall be made to the nearest 0.001_ foot and reported to the nearest 0.01 foot.
I
12. Transpose data from-Forms PZ-R-1 and PZ-R-2 on to Form PZ-R-3 and calculate piezometric' elevation as provided on the form.
13. Send a~ copy of forms to.the GZD home office, retaining a copy on-site during the measuring period.
Signed C. J. Dunnic1'iff Rev.
Date.
Description By No.
0 12/13/78 g
70
-7220-C82-53 3
GZD JOB NO. 2220, MIDLAND PLANT PIEZOMETER FIELD-DATA SHEET Date Read by Indicator type and number PIEZ.
TIME DEPTH TO DEPTH TO READING L6!ENTS NUMBER WATER. LEVEL.
WATER LEVEL.
AVERAGE FIRST READING SECOND READING Form No. PZ-R-1 7220 C82 53 3
s
-GZD JOB'NO. 2220.
MIDLAND PLANT PIEZOMETER REFERENCE MARK ELEVATION DATA SHEET
- Date Read by PIEZ.
TIME DESCPIPTION REFERENCE COMMENTS NUMBER OF REFERENCE MARK MARK ELEVATION i
t l
J
- l I
Form No. PZ-R-2
.7L 10-C82-53 3 8I
.GZD JOB 2220, MIDLAND PLANT PIEZOMETER COMPUTATION SIIEET PIEZOMETER NUMBER (1)
(2)
(1)'- (2)
DATE TIME-REFERENCE-AVERAGE PIEZOMETRIC
. COMP.
COMMENTS.
MARK DEPTil TO ELEV.
BY-ELEV. FT WATER-FT.
LEVEL FT.
NM
.NO ib 03
' Y, uN
0 Cr V:
Form PZ-R-3
Tile No. 2220-QA-7 GZD JOB NO. 2220, MIDLAND PLANT PROCEDURE FOR MONITORING AND RAISING BORROS ANCHORS READING PROCEDURE NO. 2 MONITORING 1.
Complete date and initials of operator as provided on Form BA-R-1.
2.
Remove protective cap.
3.
Determine elevation of the top of the i" rod, from Benchmark No. 9, and document on Form BA-R-1.
Measurements shall be made to the nearest 0.001 foot and reported to the nearest 0.01 foot.
3.
Replace protective cap.
5.
Transpose data from Form BA-R-1 to Form BA-R-2 and calculate anchor settlement as provided on the form.
Rod length is determined as provided on Form BA-R-3.
6.
Send a copy of the forms to the GZD home office, retaining a copy on-site during the measuring period.
RAISING
-1.
Remove protective cap.
2.
Determine the elevation of the top of the 3" rod and record in Column 2 on Form BA-R-3.
3.
. Grip the i" rod with a pipe wrench, add a coupling and additional rod length.
Tighten the connection using a pipe wrench on-the new length ofErod, ensuring that the lower rod-is not turned.
4.
' Determine the elevation'of the use.of the newly added i" rod and record in Column 3 on Form BA-R-3.
'5.
Add a 1" pipe coupling and additional pipe length to the 1" pipe-and tighten-the connection-with pipe wrenches.
6.
Replace protective cap.
Signed
~
t C. J. Dunhicliff Rev.
.Date Description By No.
O.
12/13/78 (qdh 1
'10/19/79 Change in raising procedure to reflect. field condition MP"/f/b i
83 7220-C82-53-3
'*h GZD JOB NO. 2220, MIDLAND PLANT.'
BORROS ANCHOR FIELD DATA SHEET -
Date Read By BORROS-TIME ROD COMMENTS ANCHOR ELEV.
NUMBER FT.
4 l
Form BA-R-1
.S.1 7220-C82 53 3
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GZD JOB NO. 2220, MIDLAND' PLANT BORROS ANCIIOR RAISING SilEET-BORROS ANCIIOR' NUMBER'
~
INITIAL ROD LENGTil (from Form BA-D-1) ft.(1)
~
.(2)
-l (3)
.i (4 )
DATE
-TIME ~
DISTANCE FROM SCRIBE.
ADDED ROD COMP.
COMMENTS MARK TO TOP OF ROD' LENGTH
.BY Previous New GTH FT.
Rod.
Rod.
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Ft.
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LFile #2220-QA-7
'GZD~ JOB NO. 2220, MIDLAND PLANT
/-
' PROCEDURE FOR READING DCDT CRACK GAGES
. READING PROCEDURE NO. 3 INITIAL SET.
The following initial set procedure should be accomplished prior to reading each of the four crack gages:
1.
Carry ~~the following items ~to any one of the crack gage locations:
(a) 12v Battery Pack with potentiometer for voltage adjustment.
(b) ' Fluke 8020A multimeter with test' leads and alligator leads.
(c) 4-conductor' jumper cable.
2.
Remove plastic dust. cover from DCDT connector.
3 Connect reading jumper. cable to DCDT connector.
Lock using locking ring.
4.
. Connect red and black lead of jumper cable to red.and. black lead of battery.
'5.
. Clip red and black. alligator leads f rom Fluke multimeter case, to exposed gold. leads in battery circuit,. red to red, black to black.
- 6 '.
Connect-banan1 plug endscof test leads of Fluke 8020A multimeter
.(black to common - red to V, ns, K J1).
7.
. Turn Fluke power switch ~on (located on upper left side of instruments).
Ensure'that:
(a).DC' switch (white button) is OUT
(b)- MA/V switch'(white button) is OUT (c) 20 scale switch-(gray. button) is IN 8.
' Connect red alligator;to red test lead.
9.
Connect. black = alligator to black test lead.
10. - Adjust potentiometer on battery until meter reads +10.00 +.02 V
-D.C.
- 11. Disconnect test ~ 1eads and alligator leads. and store in-meter case.
12.' Replace plastic dust cover on DCDT connector.
.13~ - Document accomplishment of the intial set as provided on Form'CG-R-1.
+
7220 C82 53 3..
INSTRUlfENT ?tEADING 1.
.Complate 'date -and initials of operator as -provided on Form CG-R-1.
(
V
-2.
Remove plastic; dust cover from-DCDT connector.
3.
Connect banana plug red and. black leads of jumper cable to Fluke meter - black to common, red to V, n S, Kil.
4.
Push-gray 2 scale switch.
5.
Read 1 crack gage data on Fluke meter display.
Enter meter reading on. Form CG-R-1.
In the event the. meter-reads "1.",
reading is off scale.
Push-gray 20 scale switch.
Enter scale switch number on Form CG-R-1.
6.
Disconnect jumper cable.
Turn Fluke meter off, a
7.
Replace plastic dust cover on DCDT connector.
8.
Transpose data from Form CG-R-1 to Form CG-R-2 and calculate dis-placement as provided on the form.
The DCDT K factor is taken from Form CG-D-1.
9.
Send a copy of.the fo rms to the GZD home of fice, retaining a copy on-site:during the measuring' period.
Signed' i
C.
J..Dunnicliff Rev.
Date Description By No.
0 12/13/78 7220 C82-53-3
G2D JOB NO. 2220, MIDLAND PLANT CRACK GAGE FIELD DATA SHEET Date Read By'
- Initial Set By 1
CRACK TIME SCALE---
METER-COMMENTS GAGE
' SWITCH READING'
-NUMBER-d i
1 a
i 4
Form CG-R-1
$')
^
7220 C82 53 3
- -~
7-_
^
GZD JOB.NQ. 2220, MIDLAND PLANT
, -a CRACK' GAGE COMPUTATION-SHEET Crack Gage Number DCDT K Factor
'( 1 )'
(2)
(3)
(4)
DATE TIME ~~
METER REA' DING DISPLACE-COMP.
CO.'!MENTS
~ READING CHANGE MENT.
BY INCHES See note below (2)-Initial '(3) ? ~ (1) 0 0
Initial-i Note-Positive isd'icates crack closure
(' '
' Negative' indicates' crack opening
- iThese displacements are since -initial DCDT crack gage reading.
To
,convertito absolute values of. crack vidth, add to crack width measure-
.ments~made using--optical gage--on date of'DCDT' crack _ gage _ initial t
' reading.
' ii d
7220-C82-53 3 For? CG-a-2
2220-QA-7'
.GZD JOB NO. 2220, MIDLAND PLANT PROCEDURE FOR MONITORING AND RAISING SETTLEMENT PLATFORMS READING PROCEDURE NO. 4 Monitoring 1.
Complete date and initials _of operator as.provided on Form SP-R-1.
2.
Remove protective cap.
3.
-Determine elevation of the top of the platform rcd, from Bench-mark No.
9, and document on Form SP-R-1.
Measurements shall be made to the nearest 0.001 foot and reported to the nearest 0.01 foot.
4.
Replace protective cap.
5.
Transpose data from Form SP-R-1 to Form SP-R-2 and calculate-platform settlement as provided on the form.
Rod length is determined as provided on Form SP-R-3.
6.
Send a copy of the forms to the GZD home office, retaining a copy on-site during the measuring period.
Raising 1.
Remove protective cap.
2.
Determine the' elevation of the top of the 3" rod and record in Column 2 on Form BA-R-3.
3.
Grip the
" rod.with a pipe wrench, add a coupling and additional rod length.
Tighten the connection using a pipe' wrench on the new length of rod, ensuring that the lower rod is not turned.
4.
Determine the elevation of the newly added i" rod and record in column 3 on Form BA-R-3, 5.
Add a 1" pipe. coupling and additional pipe length to the 1" pipe and tighten the connection with pipe, wrenches.
6.
Replace _ protective cap.
Signed
' e-C. J. Dunnicliff
)
'Rev.
.Date Description By No.
-(L 12/13/78 en7)
_1
_10/19/79-Change.in raising procedure bDg gg
[) l Lt.o reflect field' conditions.
7220-C82 53.2 l
2
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GZD. JOB 2220, MIDLAND' PLANT-SETTLEMENT PLATFORM FIELD DATA. SHEET.
'Date Read by SETTLEMENT-TIME ROD COMMENTS PLATFORM ELEV.
NU?lBER FT.
l' a
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Fom SP-R-1
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GZD JOB HO. 2220, MIDLAND PLANT.,
SETTLEMENT PLATFORM COMPUTATION SHEET SETTLEMENT PLATFORM NO.
(1)
(2)-
(3)
DATE TIME ROD.
ROD PLATFORM PLATFORM COMP.
COMMENTS ELEV.
LENGTH ELEV.
SETTLEMENT BY FT. -
FT.
FT.
FT.
Initial (1) - (2)
- (3 )
Initial N
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File No. 2220-QA GZD JOB NO. 2220. MIDLAND PLANT PROCEDURE FOR READING NOLD SETTLEMENT GAGE READING PROCEDURE NO. 5 1.
Read and become faciliar with the material contained in INSTRUCTION MANUAL-THE AQUADUCER HOSE SETTLDIENT GAGE supplied by the gage manufacturer, The current edition of this manual includes revision C.
2.
Complete instrument number, date, initials of operator and fluid type as provided on Form NS-R-1.
3.
Detern.ine 'the elevation of the. top of the bar, from Benchmark No. 9 as provided on Form NS-R-1.
Elevation shall be determined to the nearest 0.001 foot and recorded to the nearest 0.01 foot. All elevations to be determined by Bechtel.
4.
Record the Ambient Air temperatuke for the vertical height of exposed hose as provided for on Form NS-R-1.
5.
Record the Estimated Ground temperature as provided for on Form NS-R-1.
This is best accomplished by inserting a thermometer to the midlength of the buried pipe, allowing it to remain there for approximately 30 minutes, then remove the thermometer quickly and note the. indicated temperature.
6.
Follow the reading procedure detailed ir. Section 3 of the INSTRUCTION MANUAL-THE 'AQUADUCER HOSE SETTLDIENT GAGE. Readings shall be taken at specified intervals along the buried pipe.'
For each reading, complete columns (d) thru (j) as provided on Form NS-R-1.
7.
Transpose data from Form NS-R-1 onto Form NS-R-2 and calculate probe elevation as provided on the Form. Note that the "K" Factor valves for various temperatures are -contained in the INSTRUCTION MANUAL.
8.. Send a copy of Forms NS-R-1 and NS-R-2 to the GZD home office, retaining a
/
copy of ea h o site during t e suring period.
Signed k gii.?
L A
Signed $ <4 M
/ [u
/
seph D.Cuertin, Jr.
/'
William R. Belo
/
-Rev. No.
'Date Description By 0-12/26/78'
,<f My
-0 5/14/79 (gj) 1-10/22/79 Revise steps 3 and 6 to reflect 1 actual field conditions.
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eti )t r
t
)
n a
d s a e t
v
(
o e
id s
e af' l
r ('
n l
I E
G
-. E-NffObOYmYw a
uu D
,.s'-
6 G2D.KB NO. 2220, MIDIAND PIMP NOID SLTIIBtFNP GAGE 0066VPATICN FREET Instrtunent Ntaber Date Elevation of Top of Bar '
(a)
-K Factor Correction: (
(g) x gy) ) + (
(h) x
-(K )) * (g + h) =
(K }
2 3
(i)
(m)=(ixK3)
(j)
(1)=(jxK1) (n)=(m-1)
O=(a-n)
Hose Pmssum Corrected Standpipe Correctedl Vertical Elevation Gradation Gage Gage Gage Standpipe' Distance of C3&ENTS Reading Reading Reading
Reading, to Probe Pmbe M
NOb 00Y oiN co G.
F0fM NS-R-2
A g.
0 X
1 4
n
~
b..
7220-C82-53 3
a
. o APPENDIX C TYPICAL COMPLETED INSTALLATION LOGS' Borros Anchor Settlement Platform.
Piezometer, Piezometer R&D-. Type
- Piezometer, Gaonor Type Gage for Monitoring Crack Deformation Y
e s
i 4
o l
GEOTECHNICAL INSTAUMENTAT4CrJ ENGINT,tTE
'.99
^
~. 7220-C82-53 3
~
DEPTH eNSPECTORS Pies ctie Pipe \\p:=l ITEM
- s. low ELEWTION INITIALS S
'I a ce, ehe (ft)
CETE j
2 WORKING R.K.
l ELEVATION 628 11/15/78 4.56'
-2. 6 S, BOTTOM OF R.K.
warging gi, ion BOREHOLE
-4 624 11/15/78
~
ANCHOR R.K.
i
- a DRIVEN TD
-6 622 11/15/78_
30TTOM OF 1" R.K.
1 7
MPE SLEEVE
-3'4" 11/15/78
@b)
"'~
~3'4" 4'
TOP OF I" R.K.
[
MPE SLEEVE
+2.68 11/15/78 j
TOP OF R.K.
21 6'
1/2" #0 g +4.56 11/15/78 hj L_J m
in INSTALLATION DATE:
11/15/78 2'6" eHome Phag BORING Co. & R) REMAN Raymond, M. O'Boyle L
Sg c - (.
GZDA INSPE: TOR:
R. Kelleher i
d 8
REMARKS:
j h
Split spoon sample taken from 2'6 to 4':
1-1-2 blows /6".
Is 5'\\
s f
NOTES:
1) INSTALLATION PROCEDURE No.2 FOLLOWED.
2) ANCHOR DROVE 2'
(ft.in)
{
1) I" PIPE PULLBACK 2'6" (ft,'m)
4) RUBBER HOSE PLUG LENGTH 4 ft.
i 2
[
1) BOREHOLE BACKFILLED WITH Ottava Sand and Pea Gravel gn E) REFERENCE MARK 6" below the top of the 1" rod.
5 5
7) B A NUMBER M@K 1/2" ROD 9' ' .ow the bottom coupling.
~
8) BA NUMBER MARK 1"
PIPE ' 8" below the bottom coupline.
5
9) FINAL ACCEPTANCE BY: C W-b*[ DATE 2/U/79 8
-a y
a l
l MIDLAND PLANT-DIESEL GENERATOR BUILDING l
BORROS ANCHOR INSTALLATION LOG-w d
INSTRUMENT No.
23 m
FIGURE No. BA-D-l GECTECHNCAL INSTFAJMENTAT40N ENGINEEAS jgggg 7220-C82-53 3
PLATFORM E1.EWTDN b31 M
iT E tt TES' 80 0 DATE
~
SURFnCE LEVEL AND FM R.K.
y 8
w COUPLM MWD R.K.
1 8 g ROD ATTACHED R.K.
W I 8
!N'J' ru -
R.R.
g
-g M Q "g --
J A " 5 Pipe g
6.83' 6.0' i
a E
8 t/2"8 Rod coupling u.
h 3"snin.
/ W Pipe Coupiing E
e 4 i f
E J 8
p f
l' x l' x i "
i s
t-INSTALLATION DATE:
12/4/78 - 12/8/78 GZDA NSPECTOR*
NOTES:
E i
O L)
WSTALLATION PROCEDURE FOLLOW
!9 2)
FINAL ACCEPTANCE BY:O**
"ED.
DATE J 2'/79 iE 5
I i
. MIDLAND PLANT-DIESEL GENERATOR BUILDING g
SETTLEMENT PLATFORM INSTALLATION LOG -
l w
INSTRUMENT No.
32 l
d s-
~
FIGURE No. PL-D- 1 GEOTECHNCAL INSTAUMENTATK3N ENGINEEAEi 7220 C82 53 3 "I
t-i
a
~
T
/ uborg
['
DEPTH
/ Working EMgm iTE M
- Below ELEVATION
hv e O'I I
l g
g.
j,**-
WORKING
}
l*.*.* * ' *.
ELEVATION 634 a:
sentonite siurry h:::::.:::-!
80TT0" '
o
+., -
BOREHOLE
-19' 615 u
u c
?, *..
1 N
6 PIEZOWETER w
,) ;w
-t
.i TIP
-16' 618 s
e C
i
.M.
+2' Ottawa Sand TOP OF SAND.
y LAYER
-14' 620 f'.E E:
TOP OF
[
=t$" Santonite Slurry BENTONITE
-9.5' 624.5 5...,.. -:
PELLET SEAL 5
7d
-14' 620' b
S PIEZOWETER TOD
+2, Ottawa Scmd a
y/g INTER VAL o
.-y bottorn
-16' 618
?:..7. ~?7s w
f(([..f,.
~'5" 8'"'0"d' P'"
INSTALLATION DATE : 10/23-27/78
' ~;
e y..
2 BORING Ca 8 FOREMAN: RasTnond International e
2
i 2'i Steei coupied GZDA INSPECTOR:
C j
ecsing 7
lE d
f;k !#
u.
E i
Porous tube SPLITSPOON SAMPLE TAKEN FROM o
W Piezometer
!o (dept h).
b
=
BLOW COU' TS (per 6 in )
N
+5' Ottawa Sand g
SAMPLE DESCRIPTION :
O<
ii:
s c-O L
m NOTES:
l.)
INSTALLATION PROCEDURE No. I FOLLOWED 2.)
TUBING: SIZE =
3/8"l.D.
O TYPE =
POLYETHELENE 6<
3) REFERENCE MARK:
O 4.). PIEZOMETER NUMBER MARK..As inclicated[bn the 23" casing,
5.) ~ FINAL ACCEPTANCE BY be b
O b U DATE: MS//*b (7
I
/
i/~
a s
MIDLAND PLANT-DIESEL GENERATOR BUILDING ~
~~
HYDRAULIC PIEZOMETER INSTALLATION LOG-y INSTRUMENT No.
10.
w.
Piezometer R&D Com. Type FIGURE No. PZ - D-IA
'. GECTECHNCAL INS' MENTATION ENGINEE.R5
. 7220-C82-53.3 1 0. 7
1 DEPTH INSPECTORS I7E M
- Below ELEVATION INITIALS &
Tubing
+ Above (ft)
DAT E
, WORKING R.K.
+
ELEVATION 628 12/10/78 Y ~~$
7ti
'H"' N\\ working
/7 BOTTOW OF R.K.
O
. Elevotum 80REHOL*
-16'6" 611.5 12/10/78 N
N
','!.T M
F'tEZONETER R.K.
-/gl$ (f hj setonite saurfy TIP
-16, 612 12/10/78 E
Y' i
TOP OF SAND R. K.
I h[d f
Coupled I" Pipe g
I.AYER
-14'6" 613.5 12/10/78 us 11' '
i$
TOP OF i
M BENTONITE
-11'6" 616.5 R.K.
j ',, y ((
PELLET SEAL 12/10/78 so h
'l PmETm top
-14'10" 613,2 y2io/78 h_
f.. -f fiyio/78 bencen -15'10" 612.2 s
yij 16'6" INSTALLATION DATE:
d Welded 1, Coupling 12/10!78
<t
- J^~
g To'E' Rod BORING Ca & FOREMAN: NDnh i
b 3'h !(
sentonite Peite, GZDA INSPECTOR:
R. Kelleher sai s
4 g
- A h.
"E" Rod o
i
?
SPLITSPOON SAMPLE TAKEN FROM 14' 3
E 18"g to 15'6" (depth).
E F
Ottowa Send g
i BLOW COUNTS 3_,
4
,6 (per 6 in.)
h
. I.i, CW206 Pierometer SAMPLE DESCRIPTION: Brown SAND, silty, L
6,,_
p e
fine to coarse sand grains, subrounded N
to subangular with 20% to 30% non-plastic 5
fines and 5% to 10% fine gravel sizes (SM) 2 l
h NOTES:
l L)
INSTALLATION PROCEDURE No.1 FOLLOWED.
j 2.)
LENGTH OF E ROD l'
1 3)
TUBING: SIZE : 1/4 '* 1. D.
TYPE POLYETHELENE 4.)
REFERENCE MARK:
'3" below the bottom coupling 5)
PIEZOMETER NUMBER MARK:
6" below the reference mark E)
FINAL ACCEPTANCE BY;I '7' h a** M DATE: N /79 m
y
[
MIDLAND' PLANT-DIESEL GENERATOR BUILDING r
N g
HYDRAULIC PIEZOMETER INSTALLATION LOG-w p
INSTRUMENT NO.
41 g:
d FIGURE No, PZ-D-I au R GEOTECHNCAL INSTR JMENTATION ENGINEEAS
.1%).)
7220-C82-53 3
I 1
/1G "
- [k..
moc ns (DCDT ea Seem ad Spring m
E>,,V
_: e :: -
4.yi Epour Devoon a:
Epony Deveen &
m
.g f
f?.$.h!A.W$5ii?AN:h b ?hhNN$ f, m
N t/4 a 20 80LTMi lI
'd._
= 3"
3" W:
g;-
r c
Installation Dates:
Brackets 12/4/78 DCDP 1 Cable 12/16/78 ww
$ Installed Dy Cn!(10/4/78) CT!(12/1G/78) DCITT K Factor _ 13.41 m
)
Reading After Installation 1.830
, Date 12:18 hrs.
10/16/78 (DK )
3 Location Data Interior of Bay 3 on East Yan h!
u.
l
)
y Cover Box:
10" x 3" :: 4" 10 p. steel b
IT.STICTION Dy _ David T. Caprio Inspec. Init. I: Date Instrment Reading 1.830* DE 12/1G/78
-before box installed g
Ecading increasses when core tuved DT 10/16/78 g
towards body 1
h General visual inspection DT 10/16/78 E
t-Dody and bracket fixity D E 12/1G/78 h RD!ARIG 2
Drackets installed properly as per sketch, m
Epoxv appears properly cured (glossy appearance on surface).
h 5
Step 13'of installation procedures elininated due to presence of inspector.
Step 14 rudified, i.e. RIV sas added to box due to presence of inspector.
Final Acceptance By C.E
h. ed/[
Date..2 /2/h1 a:
M f(
l MIDLAND PLANT-DIESEL GENERATOR BUILDING I
CRACK GAGE INSTALLATION LOG-INSTRUMENT No. DCD7-1 m
FIGURE No CG-D-l GEOTECHNCAL INSTAUMENTATION ENGINEEAS 7220 C82-53-3 I U'I
i l
m i
\\
~
1 i
I w
i l
l i
A O.sc-on
/
4 NO. OF PAGES i
J REASON-O PAGE ILLEGIBLE:
i i
O HARD COPY FILED AT:
PDR CF OTHER l
/
/_
O BETTER COPV REQUESTED ON
[ AGE TOO LARGE TO FILM.
YHARD COPY FILED AT: h CF i
OTHER YddEdIdi8 ILMED ON APERTURE CARD NO.
I
_ _ _ _. _ _. _ _.. _.. _. _. _. _.,. _ _.. _ _ -.. - -, _ - -.. _. _.. _ _ ~.. _ ~ -

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