ML20004C266
| ML20004C266 | |
| Person / Time | |
|---|---|
| Site: | Midland |
| Issue date: | 05/28/1981 |
| From: | CONSUMERS ENERGY CO. (FORMERLY CONSUMERS POWER CO.) |
| To: | |
| Shared Package | |
| ML20004C263 | List: |
| References | |
| NUDOCS 8106020450 | |
| Download: ML20004C266 (32) | |
Text
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l 3echtel As;ociates Professional Corporation
] Ann Arbor, Michigan ]
es i 1 eJ l Ii 12 1 II i 3
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TECHNICAL SPECIFICATION 2f E-3* FOR
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g! SUBCONTRACT FOR 3i e ARIA DEVATERLE SYSTEM s,
a ~, FOR Tsz CCNSUMZ15 ?CVER CCHFANT 1{
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h1 1; i INCLUDES ONLY SECTION 10
- 2 E
34
$2; a Revised as noted on facing sheet l
j fy A 7 Incorporated SCN 11001; added Section [0;rsvised as noted on facing sheet g2 , Revised as noted on facing sneet; incorporated SCN gA g (,A, L -
i #' "' M I 10003 and 10004. Incorp. Level I Tines Monitorin7 p ocedura PD L
, 5'7-2+ 9o Revised title block U L::^' M MN M IT Iy 4 Revise 7./5 30 SCNs lho$$,noted A._
on facink and NC $heht; incorporated 99 o ,wwa v tar 4 _N. /
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AC f 3 3 - t % - ic Revised as note 2" on facing sheet; ine SCN9002,9003.1M1 M df Pb Ih. 'it #2-79 Isvised as noted on faedne sheur:INC SCN 9001 M 'D # h' /*(
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aos . 7220 CONSUMERS PCVER CCMPANY sne en swec a. { n.
3APC MIDLAND PLANT UNITS 1&2
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Specification 7220-C-88(Q), Rev. 8 z$i
- 10. GRAVEL-PACKED WELLS A. GENERAL This section describes the material and construction methods required for the installation of the gravel-packed wells for the drawdown / recharge test. This series of wells will be a separate system and is subject to all soil particle moni-toring procedures required under this specification.
I i B. ABBREVIATIONS l a aci l APHA - American Public Health Association ASTM - American Society for Testing and Materials t AWWA - American Water Works Association WPCF - Water Pollution Control Federation g{
C. REFERENCED CODES AND STANDARDS Sconsor Number Subject i
i ASTM C-40-66 Test for-Organic. Impurities in Sands gg ASTM D-422-63 Standard Method for Particle Size Ana' -is of Soil ASTM F-480-80 Stai. ard Specification for ,
Thermoplastic Water Well Casing gg, Pipe and Couplings Made in Standard Dimension Ratios [
AWWA A-100-66 Standard For Deep Wells State of Act 218 P.A. Groundwater Quality -
Michigan Dewatering Well Records State of Act 294-1965 Groundwater Quality l Michigan Control l
State of Act 315-1969 Mineral Well Act.
Michigan APHA, AWWA, 13th Edition Standard Methods for the Examination jg' '
WPCF 1971 of Water and Wastewater, Total Suspended Matter (non-filterable 1 residue).
l D. DEWATERING WELLS
- 1) Materials and Equipment Subcontractor shall furnish all material specified in Section 10, Paragraph E including, but not limited to, l blank casing, centralizers, screens, gravel pack, 10
... ~ . _ . . - _ - . . - - - . - . , . - - - .
Specifica tion 7220-C-88 (Q) , Rev. 8z$;
piezometer tips and tubing, and miscellaneous fittings necessary to drill a.id install a series of gravel-packed dewatering wells. I
- 2) Documentation i a) During drilling operations, the Contractor's geologist /hydrogeologist shall keep a log of the top and bottom, and a description of each stratum penetrated, and the depth of the water table during i the drilling of each hole. Scil descriptions are to be provided by Contractor's geologist /hydrogeologist at the time of the drilling operation.
b) The Coctractor's geologist /hydrogeologist shall make reproducible copies of as-built drawings of each well installation, including well number, location, diameter of hole, total length, and description of each type of casing; a log of subsurface materials I
encountered; and a complete compilation of all field data obteined during drilling, installation, and developing of all the wells.
I c) Completion of a dewatering record, prepared by the Subcontractor, for wells is required by Act 218, P.Q. 1972, which is an amendment of the Dewatering Well Act 294, P.A. 1965, the Ground Water Quality Control Act.
The dewatering well record form is to be completed l for every well or a composite record may be made for several wells where the subsurface conditions are similar, the surface relief relatively level, and the static water level is at a constant depth.
Cepending on variations in subsurface conditions, one or several composites of well records may be necessary.
i Copies of the Subcontractor's records are required l to be submitted to Contractor within 15 days after l completion of the well system.
l 3) Inspection a) Contractor shall inspect the drilling, installation.
l development and testing. This program is Q-listed, l and shall be in accordance with 10 CFR 50, AppenJix B.
- 4) Testing a) The gravel pack shall be accepted by the Contractor based on the. actual gradation of the gravel pack material at each delivery date. The gravel pack l shall meet the requirements given in Section 10.E, based on ASTM D-422, Standard Test Method for Particle Size Analysis of Soil, and ASTM C 40, Standard Test Method for Organic Impurities in Sands for Concrete.
l 11 l . _ . _ . _ . . ._
Specification 7220-C-88 (Q) , Rev. 8 gji b) The dewatering system shall be~ accepted by the Contractor based on the quantity of soil particles measured in the discharge water correlated with.
the quantity of groundwater being discharged. For initial well acceptance, soil particles are defined as inorganic, non-metallic, materials coarser than 0.05 millimeters. During system operation, soil particles are defined as inorganic, non-metallic materials coarser than 0.005 millimeters.
- 1. During initial well development (not to exceed 8 hours9.259259e-5 days <br />0.00222 hours <br />1.322751e-5 weeks <br />3.044e-6 months <br />) a sample of water shall be taken from the well and tested by the Contractor. The sample shall be filtered through a 0.05 milli-meter filter media, in accordance with Standard Methods for'the Examination of Water and Waste-water, total suspended matter,13th Editica, 1971, APHA, AWWA, WPCF. If the quantity of soil particles is 10 ppm or less the well shall be accepted. If the quantity of soil particles is greater than 10 ppm, the_ Subcontractor shall be directed to continue developing the well for an additional 8 hours9.259259e-5 days <br />0.00222 hours <br />1.322751e-5 weeks <br />3.044e-6 months <br /> (maximum) and another test taken. If the second test exceeds 10 ppm the Subcontractor shall be directed to develop the well for an additional 8 hour9.259259e-5 days <br />0.00222 hours <br />1.322751e-5 weeks <br />3.044e-6 months <br /> period (maximum) and a third test taken. If the well does not meet the acceptance criteria for soil particles after three tests the well shall be rejected
- and abandoned.
- 2. Af ter the well has met the initial acceptance criteria given in b.1 preceding, the well shall be connected to a separate dewatering system. l This system shall be operated by the Subcontractor.
The quantity of water discharged through the sys-tem overflow line shall be determined by timing the diversion of the entire flow into a container of known volume or by a water meter calibrated by gallons.
During system operation the accumulative quantity of soil particles measured at the system overflow shall not exceed 10 ppm. The accumulative guan-tity of soil particles shall be determined by testing a sample of water from the overflow every Monday and Thursday that the system is in operation.
If Monday or Thursday is a holiday, the testing shall be , scheduled one day before, or one day af ter the holiday. For these tests the filter media shall not-be coarser than 0.005 millimeters, i and the tests shall be conducted in accordance with Standard Methods for Examination of Water .
and Wastewater, total suspended solids, 13th l Edition, 1971, APHA, AWWA, WPCF.
i 12 i
Specification 7220-C-88 (Q) , Rev. 8 y; S t
If a Monday or Thursday test indicates the quantity of soil particles exceeds 10 ppm, but the accumu-lative total is less than 10 ppm, the Subcontractor shall be alerted. If the biweekly tests results continue to increase so that the accumulative quantity of soil particles exceeds 10 ppm for the total quantity of groundwater pumped, there shall be a systematic testing of each individual well.
Any individual well found to product greater than 10 ppm soil particles after two consecut.ve tests snall be repaired or removed from the system. ,
c) During system operation, each individual well shall be tested monthly to determine.the soil particle con-tent in the water. Soil particle concentration ex-ceeding 10 ppm will be brought to the attention of the Contractor's geologist /hydrogeologist. The test shall be in accordance with Standard Methods for Examination of Water and Wastewater, total suspended solids, 13th Edition, 1971, APHA, AWWA, WPCF, using a filter media no coarser than 0.005 millimeters.
d) Records shall be maintained for each well and for the entire system, including the quantity of anil particles (ppm each time readings are taken) . ,
- 5) Quality Assurance Requirements a) The inspection and documentation of the drillina, installation, development, and testing is Q-listed and shall be in accordance with the Contractor's quality assurance program.
b) Contractor has the authority to stop or regulate any part of the dewatering operation to prevent damage to any part of the Contractor's work.
- 6) Sampling The following sampling is for information only:
In conjunction with the documentation required by Section 10, Paragraph D.2, Subcontractor shall make available to Contractor samples taken from the cuttings from each 5-foot interval of drilling and at every formation change. Subcontractor shall place the samples in-16-ounce vapor-seal glass jars. These sample jars shall be clearly identified using a waterproof marking showing job name, well number, sample number, and top and bottom depth at which the sample was taken. These 13
Specification 7220-C-88(Q), Rev. B jib.
samples shall be available to Contractor and shal? '
become property of Owner at the completion of the Subcontract.
E. MATERIALS
- 1) General Each well shall be constructed as a gravel-pack well comprising the following principal items supplied by Subcontractor. (If soil borings taken prior to start of construction disclose. conditions which may influence a change in well design, the Contractor will issue specification revisions for the gravel-pack and screen design.)
a) Well casings, temporary caps, and screens shall be 6-inch nominal diameter polyvinyl chloride (PVC).
All well casings and screens shall be new material, minimum Schedule 80, with a wall thickness of 0.49 inch.
b) Well screens shall be No. 18 (0.018 inch) slotted, plastic wire wrapped. A minimum 5-foot length of blank 6-inch PVC well casing shall be fitted to the bottom of the well screen where shown on the drawings.
The blank section or well screen shall be sealed at the bottom with a cap.
c) Piezemeter tips shall be the Casagrande type, 1-1/2" ed x 1" id x l'-0" long, Norton porous stone, such as Model 51451 manufactured by Slope Indicator Company.
d) The gravel pack shall be composed of clean, sili-caceous, well-rounded, medium sand particles contain-ing less than is clay, less than 54 calcareous parti-cles, and shall be free from organic matter and other deleterious materials. The gravel pack shall meet ene following requirements:
Sieve Size Acceptable Range (Designation No.) of % Retained 4 0-10 6 0-14 6 6-22 12 14-31 16 24-40 20 35-51 30 . 51-67 40 90-100 Particle size analysis and organic impurity test shall be taken onsite each delivery day.
e) Grout mix shall be as shown on drawings.
14
Specification 7220-C-88(Q), Rev. 8ljh
+
1
- 2) Certificates of Compliance Subcontractor shall submit to Contractor a Certificate of Compliance with ASTM Specification F 480, for the well casings, (and that screens comply with E.1.b) prior to use of these items.
F. CONSTRUCTION OF PERMANENT DEWATERING WELLS
- 1) Drilling a) The bored hole for each dewatering well shall be drilled in accordance with the cable-tool method.
Care shill be taken in drilling the first 15 feet due to the presence of underground ducts, pipes, and conduit as shown in the design drawings, b) Tha dewatering wells shall be drilled without any obstructions to permit free and easy installation of the well casing and gravel pack as well as installa-tion and operation of submersible pumps and level switches to be installed by others, as aoplicable.
The Subcontractor snali ce cirected cy trie contractor's geologist /hydrogeologist to maintain the casing full of water when drilling below the water table.
c) A surface or temperary casing of sufficient size and weight shall be placed in the hole to prevent the hole from caving in during drilling. Such casing must be removed by Subcontractor before completion of the well. Drilling mud shall not be used to stabilize the hole.
l d) Each hole shall be a minimum of 14 inches in diameter (16 inches maximum) to the depth indicated in the design drawings. The actual total depth of each well l may vary depending on actual subsurface conditions and as directed by Project Engineering.
e) Subcontractor shall not continue well installation procedures following the drilling of well holes with-out Contractor authorization.
- 2) Installation a) Centering devices shall be installed as required on the casing to locate and hold the casing and screen sections in proper position.
l b) The piezometer tips shall be attached to a 1/2-inch Class 160 thermoplastic riser pipe. The tip shall be placed at the bottom of each dewatering and obser-vation well within the gravel pack between the well casing and the hole wall. The riser pipe and pie-zometer tip shall be secured to the well casing. A l temporary 1/2-inch PVC cap shall be placed on the l
piezometer riser pipe.
l 15
Specification 7220-C-88 (Q) , Rev. 8 c) The gravel pack shall be placed by using two tremie pipes placed 1800 apart in the hole. The inside diameter at the tremie pipes shall be at least 2.5 inches. At all times during the gravel packing i operation, succontractor shall not permit free. fall )
of gravel pack material to exceed five (5) feet l from the end of the tremie pipe. The Subcontractor shall wash the gravel pack =aterial through the tre- l mie pipes by directing a constant flow of water into each tremie pipe, with the gravel. ;
d) After the gravel pack is in place, circulation shall continue until the gravel-pack is consolidated and cleaned. As the gravel pack settles, more material shall be added.
e) After placement of the gravel pack, an 18-foot minimum thickness of grout shall be placed at the top of the gravel pack between the 6-inch casing and the drilled hole.
G. DEVELOPMENT
- 1) Development Subcontractor shall furnish all necessary pumps or other equipment and shall develop the dewatering wells using the methods necessary to give the maximum yield of water per foot of drawdown from the water-bearing material and minimize the quantity of soil particles. The develop-ment process shall include backwashing using intermittent pumping and/or jetting. Development shall begin as soon l as practical following the placement of the gravel pack i and grout seal.
- 2) Drawdown Test a) After the wells are developed and qualified for soil particle content, eductors shall be installed in them. These eductors shall be capable of lowering I and maintaining the groundwater table at elevation
! 585' in the pumped wells. The wells shall be pumped
! until otherwise directed by the Contractor's geologist /
hydrogeologist.
b) Upon completion of the drawdown test and removal of the pumping equipment, a 6-inch diameter PVC cap shall be installed on the 5-inch well casing for protection of the well.
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" s WELL INSTALLATION DATA SHEET
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' 4. / WELL NUMBER JOB NO. SUBCCNTRACTOR PQOJECT SURFACE ELEVATION COORDINATES D ATE COMPLETED NO. OF SAMPLES DATE STARTED TYPE OF SAMPLES DRILLING PRdCEDURE DRILLING METHOD CASING DIAMETERS (lN)
HOLE DIAMETER HOLE DEPTH O.Q
' SPECIAL CONDITIONS
- l. Q WELL INSTALLATION O GRAVEL PACK TEST RESULT 3 O WELL SCREEN CONFORMANCE REPORT SCREEN DI AMETER SCREEN LENGTH l SCREEN SLOT S!ZE CENTRALIZERS:
LENGTH OF RISER ABOVE SCREEN LINGTH OF BLANK BELOW SCREEN CALCULATED AMOUNT OF GRAVEL PACK LENGTH OF GRAVEL PACKED ZONE l O CIRCULATICN DURING GR AVEL PACKING ACTUAL AMOUNT OF GRAVEL PACK
- THICKNESS OF SEAL CASAGRANDE TIP DEPTH CALCULATED AMOUNT OF SEAL l TYPE OF SEAL ACTUAL AMOUNT OF SEAL WELL DEVELOPMENT TYPE CF DEVELOPMENT AMOUNT OF MATERI AL REMOVED _ (est)
DEVELOP!NG TIME SAND CONCENTRATION: (ppm by weight)
SPECIAL CONDITIONS DURING CEVELOPMENT i FIRST RETEST SECOND RETEST THIRD RETEST l
DATE EDUCTOR SETTING STATIC WATER LEVEL SU8 CONTRACTOR SUBMITTALS:
MICHIGAN DEWATERING WELL RECORD O SUPERVISED BY l
GECLOGIST/HYDROGEOLOGIST
--a. . _ . -_ _ ,_ _ __ . , . _ _ _ . _ . . _ _ _
W___ _ OG W E;.b NUMBER PROJECT JC8 NUMBER SMEEI hWM85R
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[ PUMPING WELL CONSTRUCTION
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GE0 d e c0 u GEOL
= Elevation cf reference point
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= Depth of surface ecsing I'
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& Elevotien /decth of top of seci
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o I. D. of screen sectien i zievetion / depth cf bcttom of screen Elev./ depth of t.,ottom of grevel pack c-c.- P-7 : Elev./ cepth cf bottom of plugged Y blenk section
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- I Elevation of bottom cf borenole GT49
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N} QUAll1Y CONTHOL INSTRUCTION GRAVEL-PACKED HELLS
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> 'fl01E : Rev. Nos. In llod 7 only identify the appilcable revisions of inspection criteria used to prepare Rev. A of thi , PQt t. Subsequent revisions to the inspectio n cri teria shall be noted appro- .e priately in B lock 11, i.e., "PQCI revised to incorporate c iangos as reqtitred by Rev. ." .
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- urront revisions of specific engineering a ad velidor drawings, sketches, specification ., pi ocedures and instructions A Issued for Review & Conunent rl- , , ,
shall be ente ed on the applicable Inspection Record. ,
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^ eNhrE a074 a f4SP bl#Frt EML teI AHV Activity DE5CitiPIsota g3 GEf4ERAL INS 1HllCfIONS Purpose The purpose of this PI)Cl is to provide suf ficient inspection activities to assure that the required quality for safety related activities for the installation and testing of the gravel-packed wells for the drawdown / recharge test.
Scope An inspection record for this pt)Cl shall be scoped for each gravel-packed 4 well installed. After installation of the gravel-packed wells, one inspection record will be initialed during system testing and one inspection record will be initiated for monthly testing of individual -
well points.
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- Special Instructions
- 1. When preparing Block 7, " Reference Criteria," on the IR, the CQCE Note: Reference cr teria for shall enter the documents necessary to perform the designated in- active pQC s/ irs sh ill be spections. These documents shall include: (1) the primary specift- reviewed d. ily and changes cation (s), revision number (s) witti all specification change notices in revision recorde i on the
! one (SCNs), and applicable field cliange request (FCRs); (2) projec.t IR. An ac1 ive IR i-engineering approved drawings with all draw!ng change notites (DCNs) which the i QCE is loplementing.
- and appilcable FCRs. The primary specifications are tiiose identified in Block 6 of this pQCl cover sheet.
i 2. All documents used as .nspection criteria for quality verification shall be "cointrolled" documents.
- 3. Where project engineering approved documents exist within the scope of work to be performed, the project engineering approved document sliall be used.
- 4. If, during the review of the reference criteria documents or at any '
time later during the performance of these inspections, the CQCE determines the reference criteria documents are not adequate to per-form the required inspections (i.e., incomplete or emitted details, lack of " oss-referencing between drawings, documents requiring
! clarification, etc.), the lead discipline CQCE shall be notified.
The lead discipline CQCE 'shall discuss the problem with the praject fiebi quality control engineer (pfQCE) who will take the necessary actien for resolution. lhe CQCE shall complete the inspection in ..
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- 8. The responsible Construction Quality Control Engineer shall be present during the installation of gravel-packed wells; during all field sampling of soll particles; and assure date, time, sample identification, etc. are in accordance with U.S. Testing Company
]
approved procedures and project spectfIcations.
- 9. Actual detennination of the fines content by U.S. Testing personnel shall be monitored in the laboratory by the CQCE utilizing PQCl No. SC-1.05, for dewatering ef fluent fines testing.
- 10. The responsible CQCE shall, upon notification of fallt.m) test results, notify llechtel geologist /hydrogeologist for resolution. .
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l QUALITY CONTl101. INSTRUCTION __
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1.0 PREREQUISITES 4
i The following activities shall be accomplisheil after the IR is scoped for a given work operation, but prior to the perforinance of any in-process inspection activities.
1.1 Review the " Reference Criteria" to assure that all required criteria is None R
- listeil, with the current applicable revision an<l verify that the
- "Reftrence Criteria" is'untlerstooit.
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1 (lUALITY CONTROL INSTRUCTION JOB NO.
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7220/C-2.01
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2.0 IN-PROCESS INSpEC110N ACilVlflES l The following inspection activities shall oc performed to verify that the in-process work is in accordasice wigh the applicable " Reference Criteria" shown on the IR.
2.1 Location i
Assure gravel-packed wells are located and identified as per drawing. None 1(V)(H)
- 2.2 Drilling l A. Assure drilling is performed by the cable-tool method. C-88 10.F.I.a I(V) 11 Assure temporary casing is installed during drilling operation. 10. F *.1. c I(V)
C. Assure hole diameter is 14 inches minimium, 16 inches maximum. 10.F.1.d f(H)
D. Assure actual total depth of hole is per design drawings or as 10.F.1.d 1(H) directed by Pro. ject Engineering.
I E. Assure drilling mud is not used to stahlize hole. 10.F.1.c f(V)
} F. Assure casing is full of water when drilling below the water table 10.F.1.b I(V) it directed by the geologist or hydrogeologist.
! i I G. Review well log and as-huilt drawing for soil description of each 10.0.2.a -R Well log &
i stratum encountered as provided by the geologist or hydrogeologist. 10.0.2.h As-lluilt Dwg. ', )
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- 8. MtSTE R OC en$TituC TION NO ntv
.2 f QUALITY CONTROL. INSTituCTION i
f 7220
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_._]229/C-2.01 _,
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2.3 Installation of Gravel-Packed Well Components and Piezometers i
A. Assure well casings and screens are properly identified. Attach C-88 10.E.2 1(V)R
! Certificates of Compliance subiaitted by the Subcontractor to the IR.
B. Assure a minimum 5-foot length of blank 6-iach PVC well casing is 10.E.1.h 1(V)(M) fitted to the bottom of the well screen when shown on the drawing.
Assure blank 6-inch pVC well casing or well screen is capped at the bottom.
C. Assure piezometer tip and riser pipe are secured to the well casing. 10.F.2.b I(V)
Assure riser pipe is capped after installation.
i D. Assure centering devices are installed to locate and hold casings and 10.F . 2. a 1(V) screen sections in proper position. -
E. Assure configuration is per design drawings. None I(V) 2.4 Placement of Gravel-Pack and Grout A. Assure gravel-pack material is per specification requirements. C-88 10.E.1.d R Test Reports 6
- 8. Assure gravel-pack material is placed using two tremis pipes placed 10.F.2.c I(V)(H) 180* apart in the hole. free fall may not exceed 5 feet. Gravel-pack 10.f.2.d shall be consolidated by circulation to proper elevation.
C. Assure an 10-foot minimum thickness of grout is placed at the top 10.F.2.e I(H) ,
of the gravel-pack. /j D. Assure configuration and grout proportions are per design drawings.- None I(V) i j
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QU.AI.lTY CONTROL INSTRUCTION None
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aciiviiv nescoirvio,4 Ac't Cunt ten. CHelt Ht A sit cueen 2.5 Initial Testing of Well points A. Witness the sampling of soll particles from each well during well C-88 W hcl 223 development. Observe U.S. festing Company personnel for implemen- 10.D.4.h.1 tattori of their approved procedure. Verify proper sample identif t-cation including well number, date and time of sample. Sampling shall be not later tiiari 8 sinurs af ter start of plaiipirig. Itecord sampling informationi 04: Sampling of Individual Well fonn.
11 . If results of inillal samplitig tests are riot within specificattori 10.D.4.h.1 W hcl 223 limits, development may continue for a period not to exceed 8 hours9.259259e-5 days <br />0.00222 hours <br />1.322751e-5 weeks <br />3.044e-6 months <br />
~
for each retest and tiie well poisits shall be resampled arid retested, or rejected. Resaiiipling shall he witnessed in accordarice willi
- Activity No. 2.SA above. .
i 2.6 pin:ithly Testing of Well Points A. Witness the sampling of the soil particles froiii cach well during C-88 10.D.4.c W 1101 223
, monthly sampling. Observe ll.S. Testing Company personnel for implementation of their approved procedure. Verify proper sample identification including well number, date and tisiie of sample.
2.7 Soil particles A. Observe the field sampling activilles to verify that the sampling C-Il8 W HEI 225
. f requency and sampling methods are in accordasice wills approved 10.0.4.h.2
- procedures arid durl:19 tiie operationi of the dewatering system.
I Itecord required sampling information on the IR.
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ilI OUAllIY CONTil01. INSTituCTION > r e . t i -~e i e. < .o .m ~~
DIR3/ '
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3.0 F i flAl. IriSPICiluft AClivilli S l The f ollowing inspect ion act ivit ies shall he pertonneil to assure tiiat the completed wo k meet s the ipsality s equirements contained in the "lteference Criteria" shown on the lit.
- 3.1 fest Iteview 1
A. Iteview and sign I.ah lest Iteports veritying: flone it 1
) 1. Quantities of soil particles are reported (PPit).
j 2. Completeness of forms (all applicable blanks filled in). ;
I
- 3. proper date anil localion.
II . Iteview anil sign lah test Iteports verifying sluantities of soil flone It particles meet s speci f ical ion requirements f or.
t j
l 1. Individual wells i
j fluit . Il soil part it les exce:eil I.ht: sptcitied tolerantes, resample i in accordante with specification requirements.
1 e
- 2. Average quantity of the system 1
i
- [1011
- : 18 the average quantity of the system exceeds those speci-
/
2 ficil, the individual wells shall he resampled and tested #j
- in artoi dance wit h speci f ication requirement s. 3 I
, 3.2 lleview all Discr epancy Iteports t o assur e that the required cors ections flone It j have been completed by rework uithout violating any of the original j dest yn documents in accordance ullh AAPD/l">P G-1.2. Itecord the total ninnher of Discrepancy lleport pages on t he 1 14 .
l 3 .j "' g f, 'n'bs
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' - i. u,, sic a oc insinucison no nov ff! QUALITY CONTH01. INSTilUCTION
($ 7220 7220/C-2.01 A
. . _ . __l__.._____._._..__. . , ._ . _ _ [ U N -
surr Lt iAHy Active ry otscnierson 'g',ky,10N i,n P,,, ,,j,
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1 4.0 REVIEW OF SUPPLEMEHIARY RECORDS i'
The f'.110 wing supplementary records identified in Column 7 of the PQCI N1' he reviewed to verify that tiie required quality documentation has been satisfactorily coiiipleted and is available for filing with the IR.
4.1 HEl-223 None R i 4.2 HEl-224 None R 4.3 HEl-225 None R i
4.4 Well Log and As-lluilt Drawisv) None. R i 4.5 Gravel-Pack Test Iteports None R i
4.6 Certificate of Compilance (well casings & screens) None R h
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- l. M Asit H Oc st4S JHOC 510f4 No HEV
' None
[- QUALITY CONTROL INSTiluCTION l$ggf.,Q /220
' ' ' " "C'"C'"S'""""""" "*"
A
- J ull N O. 7220/C-2.01 5- b- 1 3
I 5.0 EXCEPTIONS Review tiie completed lit to verity tilat Llie applicable inspection None 11 l 5.1 l dCLIVilles Indve been perfolilled Williolll any eXCeplIOnS. If any exceptions exist, cosiiplete Activity 5.2.
1, or None R 5.2 Any inspection activity exceptions nnted on Llie IR are to be iden-tified acid described oli Llie IR tisiiler "Resitarks" and processed in accordarice willi PSP G-3.2.
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PRELIlf1 NARY PRogicTs. ENGINg! RING
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-- = == P ROJ ECT 'IN S. P Ww'TinM, v. Pi61AN CUAUTY ASSURANCE CEPAAT'AENT
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- 64 PACE 1 oF 3 CA48-1 PMJECT IN5?EC 10:8 P' AN No: !!!*It Oto*ICT 155750 cs AICORD ::0:
C-20A RI7: 0 Installation af Gravel-?acked Wells APPROVE 3 5Y/CATE: AFFRoVID ST/; ATE:
FRoJECT: PREFARED 3Y/::AT,E
>!idland 1 and 2 sCert:
CHARACTER C3AAACTERISTIC OESC11? TION DI TI 1.0 Location of Gravel-Packed Wells 1.1 Assure gravel-packed wells are located Drawings and identified as per drawing. C-2016 and V/A-I?/PP-S C-2013 2.0 Drillin2 of Gravel-?acked Wells .
2.1 Assure drilling is performed by the C-88 cable-tool method. Sec. 10.F.1.a V-!?-S 2.2 Assure temporary casing is installed dur- Sec. 10.F.1.C ing drilling operation.
V/R-I?-S 2.3 Assure hole dia:eter is 14 inches minimum, Sec. 10.F.1.d 16 inches maximum.
A/R-I?/PP-S 2.a Assure actual total depth of hole is per Sec. 10.F.1.d design drawings or as directed by Project Engineering. ;
A/R-!?/??-S !
+
l f
I l (CONTINUED CN NEXT PAGE)
Rzy.A2xS ,
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II7IIM ST,':ATI:
C;vy.ITI3 3Y/:A!!: {
l 1
75tC41crs. ENGINEERING i gtgggg3 w= main mRO e l[C~i h Sr*Cf"i
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N PL A, iJ cuau ANo n AssuCcNSrAUCr1C,N-m e ti Amen l -
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AND R ,c ro ru-- ur_vo.
itcJrc ::tsrter::s aze:ma ::c: ?WE:7 33?ICIW FW '*'
I C-20A l ,r. O l c2AaAcE1 tzrzzrict RDAAXs l . so esAsAciza:sr:: :tscx Fr:cie ct: rata II I Ak3/UAIE l
2.5 Assure drilling =ud is not used to Sec. 10.F.1.c stabilize hole.
V-IP-S 2.6 Assure casing is full of water when Sec. 10.F.1.b drilling below the water table if .
directed by the geologist / hydrologist.
l V/A-IP-3 2.7 Review nell log and as-built drawing for C-88 soil descriptien of each stratum encoun- Sec. 10.D.2.a tered as provided by the geologist or and 10.D.2.b hydrogeologist.
R-IP/PP-S 3.0 Installation of Gravel-Packed Well Com-conents and Piezameters '
1 1 3.1 Assure well casings and screens are prop- Sec. 10.E.2
- erly identified and certificates of com- and 10.E.1.a I pliance have been attached to irs.
l V/A-I?-S 1
3.2 Assure piezameter tips shall be the Sec. 10.E.1.c Casagrande type, 1 " od x 1" id x l-0" long, Norton porous stone such as Model 51431, manufactured by Slope Indicator Company.
V/A-IP-S
- 3. 3 Assura a five-foot length of blank six- Sec. 10.E.1.5 inch ?VC well casing is fitted to the bottom of the well screen when shown on drawings. Assure blank six-inch PVC well casing or well screen is capped at the bottom.
l A-IP-3 I
( 3.4 Assure piezometer tip and riser pipe are Sec. 10.F.2.b l secured to the well casing. Assure riser l pipe is capped after installation.
! V-IP-S .
l 3.3 Assure centering devices are installed to Sec. 10.F.2.a i
locate and hold casings and screen see-tions in proper position.
7-IP-S l
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cuAuTY ASSURANCE OEPMtTMENT AND REr0K
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Psa t:: :.mstren s it.As . son
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4 C-20A
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l C2AAACI D No c3AAACTn u n : tUC1'r:N urn ocz unAaxs g;;Aggj;,A7g l Q 7g,g 1
3.6 Assure configuration 12 per design C-2016 drawings.
V/A-IP-S .
4.0 Placement of Gravel-Pack and Grout 4.1 Assur'e gravel-pack material is per Sec. 10.E.1.d specification requirements.
A/R-IP/PP-S I
1 i 4.2 Assure gravel-pack material is placed Sec. 10.F.2.c l continuously with continuous, circulat- and 10.F.2.d ing water to prevent segregation.
Gravel-pack shall be consolidated by ,
circulation to proper elevation. Free !
fall of material shall not exceed five '
feet. 1 A/V-IP-S 4.3 Assure a 18 -foot minimum thickness of Sec. 10.F.2.e grout is placed at the top of the gravel pack. 1 i A/R-IP/PP-S 1
? l 4.4 Assure proper grout mixture. Drawing 2016 7-IP-S l
l
PRELIMINARY pro.Ec7S. ENGINE AING
^" :"5"' ""-
amma power PRtOJ"C~l[ 'lN S. P F.r.wT.10 Al .* PIL.At 5 N
- CUALITY ASSURANCE CEPAATMENT
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- ".3 1 ann w R cPORT
- 6s PAcz{oyl PtoJE:' IssrE:::cs Ptxi 30: n :.I:
rno2ECT :::sPECT:cs REC as so: '
C-203 '.!onitoring of Soils Particles for the Rrt: O Gravel-Packed Wells FRoJECT: PRI?ARED 3Y/DATE: APPROVE 3 3Y/DATE: APP 1tCVE3 3T/ ATE:
Midland 1 and 2 SCCPE:
R U' CHA C?JULAC31!SUC OESC11700N 131 5 4;g 1.0 Initial Testing of Well Points 1.1 Observe the sampling of the soil parti- C-88 cles from each well during well develop- Sec. 10.D.A.b .1 cent. Observe US Testing Co personnel for implementation of their approved procedure. Verify proper sample identi-fication including well number, date and time o f sample. Sa=pling shall be no later than eight hours aftar start of pump ing.
V/A/R-IP/PP-S 1.2 If results of initial sampling tests are Sec. 10.D.4.b .1 l
l not within specification limits, develop-1 cent may continue for a period not to exceed eight hours for each retest, and I
the well points shall be resacpled and ratested or rejected. Resa=pling shall be in accordance with Act No 1.1 above.
No more than two retests are permitted.
/ A / R-IP / PP-S l 1.3 The well shall be connected to a separate sec. 10. D . a . bl. 2 dewatering system after meeting 1.1 or 1.2. ,
l xcuIxs l
\
l ATTAC*dMCITS :
i COMP!.In3 3Y/::A!!: IIM E*=T.3 3Y/DA!I:
l l l l
\ _ .
MoJECr3. ENGINEERING lllll5" PROJECT INSPECTION PLAN cuaud"a&*fa*is"A.ur 5
AND P;EPORT n= 2 , 3 ria:rc msrtc=cs u c:ss so: stoJtcr astzcncu r!.as aos C-20B vn. 0
[ csAaAcrzusn :tscurncu den 2.0 Monthly Testing of Well Points 2.1 Observe the sampling of the soil parti- C-88 cles from each well during monthly sam- Sec . 10. D . 4.c pling. Observe US Testing personnel for implementation of their approved pro-cedure. Verify proper sample identifica-tion including well number, date and time of sample.
V/A/R-IP/PP-S .
3.0 Monitoring of Soils Particles 3.1 Observe the field sampling activities to Sec. 10.D.4.' .2 verify that the sampling frequency and sampling methods are in accordance with approved procedures during the operation /
of the devatering system.
V/R-IP/PP-S 3.2 If retesting is required, based on the Sec. 10.D.4.t .2 average soil particles, content for the total quantity of ground water pumped, observe the resampling in accordance with Activity 3.1 above.
V/R-IP/PP-S 3.3 If the retesting still shows excessive Sec. 10.D.4.t .2 soil particles, observe the resampling of individual vells per Activity 1.1 abcve.
7/R-IP/PP-S I 4.0 Flowmeters Ensure that all flowmeters are currently Sec. 10.D.4.: .2 4.1 calibrated and readings are properly .
taken by US Testing Company.
V/R-IP/PP-S Sec. 10.D.4.t.2 4.2 Ensure direct flow measurements deter-mined by backup method are in accordance MEI 224 with approved US Testing procedures.
7/A/R-IP/PP-S 5.0 Test Review e -<
Pac 4EC s. ING:N EEMING
%.".31E153
= ,0 RO~i CC i IN S P uC C I Lp,y
., 3i MN
,u emunANosume,ucriew-ccwrTa to o .ur aman ,
AN D R ,a0R_i >=1 2 ito:r::r :ssitenes acccas ::ce rzcaze: ::ssrt=:n rua so C-20B vm o 2
c:rAaAcurtsnc :tsex:rnes y;, ,g 3.1 Review the Lab Test Reports verifying: C-38 Sec. 10.D.4
- 1. Quantities of soil particles is -
reported (?PM).
- 2. Completeneas of forms (all appli-cable blanks filled in).
- 3. Proper date and location.
R-IP/PP-S 5.2 Review the Lab Test Reports verifying quantities of soil particles do not exceed specification requirements for:
- 1. Individual wells. C-88 Sec. 10.D.4.c NOTE: If soil particles exceed the and 10.D.l..d specified tolerances, resample in EI 223 acco dance with specification re-quire =ents.
- 2. Average quantity of the system. C-88 Sec. 10.D.4.b. 2 NOTE: If the average quantity of the and 10.D.4.d system exceeds those specified, the EI 225 individual wells shall be resa= pled and tested in accordance with speci-fication requirements.
R-IR/PP-S 6.0 Review discrepancy reports to assure PQCI C-2.10 that the required corrections have been AAPD/ PSP completed by rework without violating c_3,2 any of the original design documents in atcordance with AAPD/ PSP G-3.2 V-IP/2P-S
- - --