ML20137J682
| ML20137J682 | |
| Person / Time | |
|---|---|
| Site: | Comanche Peak  |
| Issue date: | 04/21/1975 |
| From: | Jerrica Johnson BROWN & ROOT, INC. (SUBS. OF HALLIBURTON CO.) |
| To: | |
| Shared Package | |
| ML17198A292 | List:
|
| References | |
| FOIA-85-59 35-1195-CCP-10, NUDOCS 8512030021 | |
| Download: ML20137J682 (28) | |
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CONSTRUCTION PROCEDURE 35 1195 35-1195-CCP-10 CONTROL
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W. E. Childress, Jr.
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PREPARED BY REVIEWED BY
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L. A. Ashley
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REVISION 1, April 21,1975 PAGE 2 of 20 LIST OF EFFECTIVE PAGES The total number of pages in this document is 20. The page number sequence and revision status of each page is as follows:
PAGE REVISION STATUS DATE Title Revision 1 April 21,1975 2 thru 20 Revision 1 April 21,1975 NOTE This document has been completely re-typed for convenience in issuing Re-O' -
vision 1.
Vertical lines (change bars) appearing in the margin indicate what 4
information was actually changed, added or deleted by Revision 1.
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['T 35-1195-CCP-10, Mar.18,1975 REVISION 1 April 21,1975 PAGE 3 of 20 TABLE OF CONTENTS SECTION TITLE PAGE 1
INTRODUCTION.........................................
4 1.1 PURPOSE..............................................
4 1.2 SCOPE................................................,
4 2
DEFINITIONS OF TERMS, ABBREVIATIONS AND SYMBOLS...... '
4 3
SPECI AL ITEMS AND. 0PERATIONS......................... '
4 3.1 CLASS 4..............................................
4 4
CONCRETE MATERIALS RECEIVING HANDLING, STORING AND CONCRETE BATCHING, MIXING AND DELIVERY...............
4 4.1 FUNCTIONS AND RESPONSIBILITIES.......................
4 4.2 C EM E N T...............................................
5 4.3 AGGREGATE............................................
5 4.A ADMIXTURE............................................
7 4.5 WATER................................................
8 4.6 -
CLASSES OF CONCR ET E..................................
8 4.7 BATCHING.............................................
9 4.8 CENTRAL MIXING.......................................
10 t
4.9 TRUCK MIXING 10 4.10 ~
DELIVERY OF CONCRETE IN TRUCK MIXER TO POINT OF P LAC EM ENT............................................
11 4.11 TICKETING SYSTEM.....................................
12 5
SUPPORTING INFORMATION...............................
14
5.1 REFERENCES
14 5.2 ILLUSTRATION.........................................
15 5.3 ATTACHMENTS..........................................
15
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O 35-1195-CCP-10, Mar.18,1975 W
REVISION 1, April 21,1975 PAGE 4 of 20 f
1.
INTRODUCTION 1.1 PURPOSE 1.1.1 The purpose of this document is to set forth the methods and pro-cedures that will be employed in the receiving, handling and stor-ing of concrete materials and the batching, mixing and delivery of concrete.
1.2 SCOPE 1.2.1 The scope of this procedure covers the methods and procedures that apply to receiving, handling and storing of concrete materials and the batching, mixing and delivery of concrete including grout.
2.
DEFINITIONS OF TERMS.. ABBREVIATIONS AND SYMBOLS 2.1 (NONE) 3.
SPECIAL ITEMS AND OPERATIONS i
3.1 CLASS 4, high density, concrete and its associated materials and properties which are distinct from the other classes of concrete are not discussed herein at this time but will be added in a sub-sequent revision.
4.
CONCRETE MATERIALS RECEIVING, HANDLING, STORING AND CONCRETE BATCHING, MIXING AND DELIVERY 4.1 FUNCTIONS AND RESPONSIBILITIES 4.1.1 Project Civil Engineer 4.1.1.1 Maintains over-all technical assistance for concrete batch plants, concrete materials, trucks and associated equipment.
4.1.2 Batch Plant Superintendent 4.1. 2.1 With the technical assistance and engineering information of the Project Civil Engineer, maintains over-all responsibilities for concrete batch plants, concrete materials, trucks and associated l p l L) equipment, f
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PAGE 5 of 20 4.1. 2. 2 Supervise all phases of the concrete batching, mixing and truck delivery operations.
4.1.2.3 Supervise all phases of concrete material receiving, handling and storing.
4.1. 2.4 Assures that activities are performed in accordance with this pro-cedure.
4.1. 2. 5 Assures that activities are performed in accordance with applicable manufacturers equipment operating procedures and maintenance procedurec.
4.1. 2. 6 Maintains daily production records and reports applicable to his responsibilities.
4.2 CEMENT 4.2.1 Portland cement shall comply with ASTM C-150 and shall be Type II.
4.2.2 Except as otherwise approved by TUSI, all cement shall be of the same brand and manufactured at the same mill.
4.2.3 A manuafacturer's certified material test report attesting to the conformance of the cement to ASTM C-150 shall be furnished for each shipment.
4.2.4 Cement will be received in bulk truck transports and will be pneumatically loaded into clean, uncontaminated, water-tight storage silos at either the Main Batch Plant or Back-Up Batch Plant where it shall remain until concrete is batched.
4.2.5 Warehousing shall receive cement trucks per 35-1195-ACP-3, and inspect certified material test report and inspect seal on truck hatches to insure that it is intact. Certified material test re-port will be retained by warehousing and distributed to QA per 35-1195-ACP-3.
4.3 AGGREGATE
'4.3.1
. Fine aggregate (sand) shall be graded according to the require-ments of ASTM C-33, except that the Fineness Modulus shall be not less than 2.30 and not more than 3.10.
4.3.2 Nominal size 1/2 inch coarse aggregate shall confors to the re-quirements of Section 202, Aggregate, of ACI 506, Recommend Prac-tice for Shotcreting. 1/2 inch coarse aggregate shall be uncrushed r
gravel, graded from No. 4 to 1/2 inch size.
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REVISION 1, April 21,1975 PAGE 6 of 20 4 3.3 Nominal size 3/4 inch coarse aggregate shall conform to size number 67 of Table 2 in ASTM C-33.
4.3.4 Nominal size 1 1/2 inch coarse aggregate shall conform to size number 467 of Table 2 in ASTM C-33.
4 3.5 The following are descriptions of aggregate properties (except for 1/2 inch coarse aggregate which is fully described in Section 4.3.2).
4.3.5.1 Aggregate shall consist of natural or manufactured sand, crushed stone, or gravel. The particles shall be clean, hard, tough, dur-able, of uniform quality and shall be free from soft thin, elongated, disintegrated stone, dirt and organic or other in.jurious materials occurring either free or as a coating. The aggregate when incorpor-ated in concrete, shall satisfactorily resist chemical or physical changes such as cracking, swelling, softening, leaching or chemical alteration, and shall not contain contaminating substances which might contribute to deterioration or unsightly appearance of the concrete.
4.3.5.2 The coarse aggregate shall be well graded and shall consist of gravel, crushed gravel, crushed rock, or crushed stone fragments
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which are clean, rough, hard and uniform. No blast furnace slag, y
schist, shale or slate shall be permitted.
4.3.5.3 The potential reactivity of the aggregate shall be established by the methods described in the Appendix to ASTM C-33.
4.3.5.4 Aggregate shapes shall be rounded or cubical and shall contain less than 15 percent (by weight) flat and elongated particles as deter-mined by the U. S. Army Corps of Engineers Spec. CRD-C119, Method of test for Flat and Elongated Particles in Coarse Aggregate. A flat particle is defined as one having a ratio of width to thickness greater than three: an elongated particle is defined as.one having a ratio of length to width greater than three.
4.3.6 Fine and coarse aggregates will be off loaded from truck transports into hoppers for conveyor transfer to aggregate stockpile bins which shall be arranged and operated to prevent contamination by different gradations or types of aggregates and to assure that there is practical minimum segregation.
4.3.7 Warehousing shall receive aggregates per 35-1195-ACP-3, and inspect loads to insure conformance to aggregate quality per this construc-tion procedure.
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35-1195-CCP-10, Mar.18,' 1975 REVISION 1. April 21,1975 j
PAGE 7 of 20 i
4.3.8 Aggregate hoppers and conveying equipment shall be cleaned, as necessary, to prevent contamination by different gradations or types of aggregate and to assure that there is practical minimum segregation.
4.3.9 Access for inspection shall be provided in stockpiles at all times.
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.4.3.10 Each lot of aggregate shall be identified by signs which show size, gradation, source and controlling specification. The delivery ticket shall remain with the aggregate during delivery.
4.3.11 In event of equipment failure, temporary measures shall be initiated and approved by the Batch Plant Superintendent to insure quality is maintained. All efforts shall be made to expedite repair of original equipment for operation.
4.4 ADMIXTURE I
4.4.1 Type B, retarding admixtu,re, shall comply with ASTM C-494.
4.4.2 Accelerating admixture for shotcrete shall be a liquid per ASTM C-494 or a solid per Challenge-Cook patented formulation named "Challog".
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4.4.3 -
Type D, water-reducing and retarding admixture, shall comply with ASTM C-494.
l 4.4.4 Air entraining admixture shall comply. with ASTM C-260.
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4.4.5 Manufacturers certificates as to analysis and composition of the l
admixture shall be furnished, i
.4.4.6 Admixture shall be in accordance with the recommendations of the j
cement manufacturer, i
i 4.4. 7 Type B Type D and air entraining admixtures shall be unloaded, j
by pump, from bulk truck transport or drums into uncontaminated j
storage tanks which shall be clearly marked as to their contents.
i storage requirements and controlling specification.
4.4.8 Warehousing shall receive admixtures per 35-1195-ACP-3, and inspect' manufacturers certificate and/or spectrographic analysis and dis-tribute to QA per 35-1195-ACP-3.
4.4.9 Accelerating admixture for shoterete shall be stored per manufac-j turers' recommendations.
4.4.10 All admixtures shall be protected from moisture and temperatures that could adversely effect their performance as per manufacturers' 4
recomendations'.
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35-1195-CCP-10, Mar.18,1975 REVISION
- 1. April 21,1975 PAGE 8 of 20 4.5 WATER 4.5.1 Water for mixing concrete and sprinkling aggregates, if required, shall be clean, fresh and free from deleterious amounts of acids, alkali:: or organic materials.
4.5.2 Mixing water shall comply with tests required by Engineer specifi-cations.
Water shall be pumped from a deep well(s) and transferred to an uncontaminated storage tank (s).
4.5.3 Water for ice shall be pumped from the storage tank into an ice plant where ice shall be manufactured and stored as to prevent contamination.
4.6 CLASSES OF CONCRETE 4.6.1 Concrete is designated by classes according to the required com-pressive strength at 28 days. The class to be used in each part of the work will be shown on drawings, or will be designated by the Engineer. The method of determining the 28-day strength shall C
be in accordance with pertinent ASTM standards. The independent test lab, R. W. Hunt, will furnish mix designs for the following standard classes, a.
Class 1 Concrete Compressive Strength, 4000 psi 3/4 inch maximum aggregate b.
Class 2 Concrete Compressive Strength, 4000 psi 1 1/2 inch maximum aggregate c.
Class 3 Concrete Compressive Strength, 2500 psi d.
Class 4 Concrete (later)
- e. ' Class 5 Concrete Compressive Strength, 3000 psi 3/4 inch maximum aggregate f.
Class 6 Concrete Compressive Strength, 3000 psi 1 1/2 inch maximum aggregate g.
Class 7 Concrete Compressive strength,1500 psi g) 1 1/2 inch maximum aggregate
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35-1195-CCP-10 Mar.18,1975 REVISION 1, April 21,1975 e
PAGE 9 of 20 h.
Shoterete, Class 8 Compressive Strength, 3000 psi 1/2 inch maximum aggregate 1.
Grout, Class 9 4.6.2
" Mass concrete" is concrete which is 2 feet - 6 inches or more in Maximum slump for " mass concrete" is 3 inches. l the least dimension.
Maximum temperature for " mass concrete" is 70*F at placement.
4.6.3 Concrete Slump 4.6.3.1 Maximum slump of 4 inches for all concrete, except " mass concrete",
unless so directed otherwise by TUSI.
4.6.3.2 Maximum slump of 3 inches for " mass concrete".
4.7 BATCHING 4.7.1 The fine and coarse aggregate will be weighed in a single batcher using cumulative weights to within a 2 percent tolerance by weight.
4.7.2 Cement will be weighed in a batcher to within 1 percent tolerance O
by weight.
4.7.3 Water and ice will be weighed in separate batchers to within a 1 percent tolerance by weight.
4.7.4 Air entraining admixture, Type B admixture, and Type 0 admixture will each be measured by volume, in separate containers to within a tolerance of 3 percent.
4.7.5 Tolerance interlocks are provided to prevent a discharge device from being actuated until the material has been batched within applicable tolerances.
4.7.6 The batchers are equipped with platforms so that an overweight or sample can be removed.
4.7.7 All scales used in weighing concrete mix materials and volumetric measuring devices for admixtures will be calibrated at intervals not exceeding 90 days.
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35-1195-CCP-10, Mar.18,1975 REVISION 1, April 21,1975 PAGE 10 of 20 l
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4.7.8 In the event the automatic ticket printer breaks down, the plant operator will fill out the ticket manually, with an ink pen, using the acutal weights read from the scales.
1 4.8 CENTRAL MIXING i
4.8.1 Mixing equipment will produce uniformity of consistency, cement and water content, and aggregate grading, from beginning to end of each batch.
4.8.2 The mixer operating time will be regulated to the required mixing performance in the minimum amount of time as determined by perfor-mance tests or minimum time per ASTM C-94.
Test results shall be retained by the Batch Plant Superintendent.
J 4.8.3 Batch size will not exceed 10 c.y.
Controls shall be provided to insure that the batch cannot be discharged until the required mix-ing time has elapsed.
.4.8.4 Mixer blades shall be replaced when they have lost 10 percent of their original height. Batch Plant Superintendent or his repre-sentative shall perform a quarterly check to insure conformance.
4 4.8.5 Accumulated hardened concrete shall be removed, as necessary, to maintain peak mixer performance and efficiency. 8atch Plant Super-5 intendent shall insure conformity.
4.8.6 Admixtures shall be mixed into batch in accordance with Section 7.3 of ACI 301-72.
4.8.7 Tempering and control of mixing water shall be in accordance with Section 7.5 of ACI 301-72.
4.8.8 Cold weather mixing and temperature of concrete when delivered at the site in cold weather, shall be in accordance with Section 7.6.1 of ACI 301-72.
I 4.8.9 Hot weather mixing shall be in accordance with Section 7.6.2 of ACI 301-72, except that for " mass concrete", the maximum tempera-
- ture of concrete as placed shall be 70 F instead of the 90 F maxi-
. mum permitted by ACI-305.
4.8.10 Central mixing controls provide for monitoring slump by means of a slump meter. Also, the slump will be checked periodically by visual inspection of the truck mix.
'4.9 TRUCK, MIXING 4.9.1 While loading, the mixer drum will be rotating at a speed designated j h-by the manufacturer as mixing speed.
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p 35-1195-CCP-10, Mar. 18, 1975 REVISION 1, April 21,1975 PAGE 11 of 20 4.9.2 Each batch of concrete shall be mixed not less than 70 or more than 100 revolutions of the drum at mixing speed. Any additional drum revolutions shall be done at the rate of rotation designated by the manufacturer of the equipment as agitating speed.
4.9.3 The slump will be checked periodically by visual inspection of the f
truck mix.
4.10 DELIVERY OF CONCRETE IN TRUCK MIXER TO POINT OF PLACEMENT 4.10.1 When a truck mixer contains concrete that has been completely mixed in the stationary mixer at the Main Batch Plant or concrete that has been completely truck mixed, any turning of the drum during trans-portation shall be at agitating speed.
4.10.2 The time after the addition of mix water to the dry materials to placement shall not exceed 45 minutes. Longer time limits may be permitted by TUSI, but in no case shall time exceed 90 minutes.
4.10.3 The number of drum revolutions shall not exceed 300 after mix water is added to the dry materials.
4.10.4 E. ch mixer truck will be equipped with an accurate revolution counter.
4.10.5 Aad Water 4.10.5.1
" Add water" may be dispensed into the truck mixer at point of place-ment in order to increase slump to meet specification or to increase wcrkability of mix.
4.10.5.2 Sampling Mix a.
In order to determine whether or not add water is allowed to be added to mix, the initial sample (less than-1/8 cubic yard) shall be slump tested before concrete is discharged, b.
If for reasons stated in 4.10.5.1 it is determined that add water will be dispensed into truck mixer, then a sample.from the mix, after add water and after truck mixer has revolved 30 times at mixing speed, must be slump tested before discharge, c.
Preceding procedure may be repeated as necessary before mix discharge until desired slump or workability is attained.
4.10.5.3 Maximum slump shall not be exceeded as a result of the addition of add water to the mix.
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-4.10.5.4 Quantity of a.id water shall not exceed quanitity recorded for " add water" on the batch ticket.
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4.10.5.6 Responsible contractor representative and testing lab represent-ative will each sign within the block to verify that add water quantity is valid, before water is added.
I 4.10.6 Same as Section 4.8.4.
4.10.7 Same as Section 4.8.5.
4.11 TICKETING SYSTEM 4.11.1 Ticket Description The purpose of the batch ticket (Figure 1) is to record informa-tion concerning each batch of concrete. Following is an explana-tion of the information blocks on the ticket:
1.
Mix ID: explained on Mix Identification sheet (Attach-ment No.1) 2.
Batch Size: (unit is 1/100 th CY instead of whole CY as a
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Batch No.: number of consecutive batches produced by the plant.
4.
M. C. Setting: compensates for moisture content in the i
fine aggregate (unit is 1/10 percent in-stead of whole percent as shown on ticket) 5.
Plant: 1 - Back-Up Plant 2 - Main Plant 6.
Agg.1, Agg. 2, Agg. 3: cumulative coarse aggregate weights (lbs/CY Batch) aggregate weight (lbs/CY Batch)ghts plus fine cumulative coarse aggregate wei 7.
Sand:
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Cement: cement weight (1bs/CY Batch)
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REVISION 1. April 21,1975 PAGE 13 of 20 9.
Admix 1: Master Builders MB-VR air entraining admixture, meets ASTM C-260 requirements (1/2 fl. oz/CY Batch)
- 10. Admix 2: OPEN
- 11. Admix 3: Master Builders Pozzolith 300-R water-reduc-ing and set-retarding admixture, meets ASTM C-494 for Type D requirements (1/2 fl. oz/
CYBatch)
- 12. Ice: ice weight (1bs/CY Batch)
- 13. Water: cumulative ice and water weight (1bs/CY Batch)
- 14. Area Pour Section: explained on Pour Number sheet (AttachmentNo.2)
- 15. Sand Moist: moisture in fine aggregate (unit is 1/10 percent instead of whole percent as shown on ticket)
- 16. Truck No.
- 17. Agg. Tare: aggregate batcher tare weight
- 18. Cem. Tare: cement batcher tare weight
- 19. Water Tare: ice and water batchers weight
- 20. Time
- 21. Add Water: allowable add water (1/10 gals./CY Batch)
- 22. Ticket No.
- 23. Date 4.11.2 Ticket Routing and Sign-Off:
1.
After batching is complete, Batch Plant Representative signs ticket which verifies that information on ticket is correct and retains blue copy of ticket for batch plant records.
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35-1195-CCP-10, Mar.18,1975 REVISION 1, April 21,1975 PAGE 14 of 20 2.
The truck driver delivers white original and remaining two copies of ticket to point of concrete placement.
3.
If add water is dispensed into batch, General Contractor Representative and Test Lab Representative both sign in their respective spaces in the add water block on the right side of ticket per paragraph 4.10.5, " Add Water".
4.
If " required in-process tests" (per B&R quality control pro-cedure CP-QCP-14, " Concrete Inspection and Testing") are being parfortned on the concrete batch by authorized test lab personnel, the Test Lab Rep. signs in space at bottom of ticket when sampling is completed. After Test Lab Rep.
has signed, the General Contractor Rep. signs in the space at the bottom of ticket after he is satisfied tha~t informa-tion on the ticket is correct and that the concrete batch is acceptable.
5.
If no " required in-process test" are being performed on the concrete batch, the General Contractor Rep. signs in space at bottom of ticket after he is satisfied that information on ticket is correct and that'the concrete batch is acceptable.
6.
White original and two copies of ticket are then returned by truck driver to batch plant where they are given to Batch Plant Superintendent or his representative.
7.
Batch Plant. Superintendent distributes daily the following:
a.
white original to Test Lab b.
pink copy to Engineer (if Engineer so requests) c.
yellow copy to B&R Cost Engr. Dept.
5.
SUPPORTING INFORMATION
5.1 REFERENCES
1.
ASTM C-150, Specification for Portland Cement.
2.
B&R Construction Procedure 35-1195-ACP-3, Material Receivi,r.g, Han1 ding, and Storage.
3.
ASTM C-33, Specification for Concrete Aggregates.
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REVISION 1, April 21,1975 PAGE 15 of 20 4.
U. S. Army Corps of Engineers Specification CRD-C119, Method of Test for Flat and Elongated Particles in Coarse Aggregate.
5.
ASTM C-494, Specification for Checmial Admixtures for Concrete.
6.
ASTM C-260, Specification for Air-Entraining Admix-tures for Concrete.
7.
ASTM C-94, Specification for Ready-Mixed Concrete.
8.
ACI 301-72, Specification for Structural Concrete for Buildings.
9.
ACI 305-72, Recommended Practice for Hot Weather Concreting.
5.2 ILLUSTRATION Figure 1.
Concrete Batch Ticket 5.3 ATTACHMENTS 1.
Mix Identification 2.
Pour Number T
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l 35-1195-CCP-10, Mar.18,1975 REVISION 1, April 21,1975 PAGE 17 of 20 i
MIX IDENTIFICATION ABC t
1.
Mix ID Number A.
Class Number 1.
Class 1 Concrete Compressive Strength, 4000 psi 3/4 inch maximum aggregate 2.
Class 2 Concrete Compressive Strength, 4000 psi 1 1/2 inch maximum aggregate i
3.
Class 3 Concrete Compressive Strength, 2500 psi 4.
Class 4 Concrete (later) 5.
Class 5 Concrete Compressive Strength, 3000 psi 4
3/4 inch maximum aggregate 6.- Class 6 Concrete Compressive Strength, 3000 psi 1 1/2 inch maximum aggregate 7.
Class 7 Concrete l
Compressive Strength,1500 psi 1 1/2 inch maximum aggregate 8.
Shoterete, Class 8 Compressive Strength, 3000 psi i
1/2 inch maximum aggregate 9.
Grout, Class 9 B.
Regular or " Mass" Concrete' i-
" Mass Concrete" is concrete which is 2 feet-6 inches or more in the least dimension. Maximum slump for " mass concrete" is 3 inches, i.
Maximum temperature for " mass concrete" is 70*F at placement.
0 - Mass Concrete 1 - Regular Concrete iO
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35-1195-CCP-10, Mar.18,1975 s,
REVISION 1, April 21,1975 g.
PAGE 18 of'20 C.
14ix Number Numbers 0 thru 9 will define different mixes of a particular class. For example a need may exist for Class I concrete to have two mixes with different cement contents. Therefore, different mix numbers will be assigned to distinguish betveen 1
the mixes.
II. All approved mix designs, mix design variations and mix identification numbers shall be issued on an up-to-date list by the D&R Construction Engineering Department.
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I 35-1105-CCP-10, Mar.18,1975 PAGE 19 of 20 s
POUR NUi4BER s
ABC-DEFC-IIIJ A.
Unit Designation 0 - Connon Building 1 - Unit 1 2 - Unit 2 BC. Work Area as follows:
01-29 BUILDINGS 01 Containment 02 Auxiliary Building 03 Fuel Handling Building 04 Turbine Generator Building 05 Safeguards Building 06 Maintenance Building 07 Administration Building 08 09 10 30-39 CIRCULATING WATER & ESSENTIAL COOLING WATER FACILITIES O
L 30 Circulating Water Intake Structure 31 Circulating Water Intake Tunnels 32 Circulating Water Discharge Structure 33 Circulating Water Discharge Tunnels 34 Open 35 Service Water Intake Structure 36 Service Water Discharge Structure 37 Squaw Creek Service Spillway 38 Squaw Creek Service Outlet Facilities 39 Open 40-49 MAJOR EQUIPMENT FOUNDATIONS 40 Turbine Pedestel 4
41 Steam Generator Feed Pump Pedestal 42 Open 50-59 OPEN 60-99 MISCELLANEOUS D.
TYPE OF STRUCTURE AS FOLLOWS:
1.
Fill Slabs or Seal Sicbs 2.
Footings & Mats 3.
Flocr Slabs on Earth p
4 (j 4.
Walls-Interior 5.
Halls.Cxterior 6.
Columns w s ss s
sm
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i 35-1195-CCP-10, tiar.18,1975 i
REVISION 1, April 21,1975 PAGE 20 of 20 D.
TYPE OF STRUCTURE AS FOLLOWS:
(Cont.)
7.
Elevated Slabs or Beams 8.
. loof Slabs or Dome 9.
Other Structures EFG. ELEVATION Use top of concrete elevation for all slabs, footings, mats, beams, and dome. Use bottom of wall section elevation for all walls.
H.
OPEN IJ. POUR NUMBER O
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JOB 35-1195 Comanche Peak Steam Electric Station Construction Procedure Interim Change Notice Number 1 This notice applies to Construction Procedure No. 35-1195-CCP-10, Revision 1.
T he intent of this change will (x) / will not ( ) be incorporated in the next revision to the procedure.
This Change applies:
Until Further Notice ( )
Until the next revision is issued (x)
Only as follows:
C hange the procedure as follows:
On page 9, paragraph 4.7.1, change "2 percent" to read, "plus-or-minus one percent".
Reason for change:
To comply with G&H Spec. 2323-SS-9 and B&R IM-0946, Bussolini to Dodd, dated June 1975.
This change approved by:
b4v Y. busso Department Head 7
Quality Asstrance Reviewed By:
p$.$ W?n:!
l W. H. Hench Julv 3.1975 Procedures & Reports Date l
0 JOB 35-1195 Comanche Peak.> team Electric Station Constru: tion Procedure INTERIM CHANGE NOTICE NUMBER 2
This notice applies to Construction Procedure No. 35-1195-CCP-10, Revision 1 The intent of this change will ( ) / will not (x) be incorporated in the next revision to the procedure.
This Change applies:
Until Further Notice (x)
Until the next revision is issued ( )
Only as follows:
SEE " NOTE" BELOW.
i s
Change the procedure as follows:
NOTE: This is a " dummy" change notice, issued only to provide numeric continuity, so that change notices 3 and 4 can be issued withe::t causing confusion.
Change #2 has been assigned but is not yet aoproved.
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R eason for change:
Not Applicable.
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e T his change approved by:
Not Applicable Not Applicable
~
Department Head Quality Assurance Reviewed By:
/h[8 In-C-
~
August 14, 1975
~ j Date Procedures & o.eports t
O.
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)
JOB 35-1195 Comanche Peak Steam Electric Station Construction Procedure j
INTERIM CHANGE NOTICE NUMBER 2
This notice applies to Construction Procedure No. 35-1195-CCP-10, Revision 1.
4 The intent of this change will (X) / will not ( ) be incorporated in the next revision to the procedure.
This Change applies:
Until Further Notice ( )
Until the next revision is issued k)
Only as follows:
1 Change the procedure as follows:
1.
On page 15, add the following:
Reference 10: ACI 614-59, Recommended Practice for measuring, mixing, transporting, and placing concrete.
~
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Reason for change:
1.
Per QA request, Ref. IM-0717, dated May 15, 1975.
Report No. CP-2.$ dated 4-29-75. answered 5-27-75 (Ref. IM-0768, May 28,1975).
j j
This change a proved byt 3
lY l
YWA^
rc, Department Eead -
Quality Assurancq l
Reviewed By:
I MNd[e[
July 23, 1975 (Initiated)
(
Procedures & Reports Date O
seat ber '8
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Date l
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JOB 35-1195 l
i Comanche Peak Steam Electric Station I
l Con:truction Procedure INTERIM CHAf;GE NOTICE NUMBER 3
j
- This notice applies to Construction Procedure No. 35-1195-CCP-10, Revision 1 The intent of this change will (x) / will not ( ) be incorporated in the next revision to the procedure.
This Change a'oplies:
Until. Further Notice ( )
Until the next revision is issued (x) i Only as follows:
i i
i Change the procedure as follows:
1.
On page 12, paragraph 4.11.1, steps 6, 7.,
l 6
8: change "(1bs/cy Batch)" to "(1bs/ Batch)".
l l
2.
On page 13, steps 9 and 11, change "(h fl. oz/cy Batch)" to I.
1
(h fl. -oz/ Batch)".
I 3.
On page 13, steps 12 and 13, change "(1bs/cy Batch)" to "(1bs/ Batch)".
_, i i
4.
On page 13, step 21, change "(1/10 gals./cy Batch)" to "(1/10 gals./cy)".
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j 1
Reason for, change:
To clarify procedure.
i This hange approved by;
&y her $. 8usseN A
Department Head
.g Quality Assurance Reviewed By:
[/ *C-Aucast 1. 1975
~
Procedures & lieports
-Date i
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JOB 35-1195 Comanche Peak Steam Electric Station Construction Procedure INTERIM CHAftGE 7:0TICE NUMBER 4
This notice applies to Construction Procedure flo. 35-1195-CCP-10, Revision 1 The intent of this change will (x) / will not ( ) be incorporated in the next revision to the procedure.
This Change applies:
Until Further Notice ( )
Until_ the next revision is issued (x)
Only as follows:
Change the procedure as follows:
1.
On pace 12, paragiaph 4.10.5.6; and on page 14, paragraph 4.11.2 step 3, add the following sentence: "For shotcrete, a B&R QA/QC representative may sign in place of the test lab representati ve. "
t i
i Reason for change:
Test lab witness not required for shotcrete.
t This hange approved by*
e i
A
/
!.'$s, 0
r-l 6A-Department Head
/
Quality Assurance
~
Reviewed By:
/ 50-August 1, 1975 Procedures & Re,': orts v
Date
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L/
JOB 35-1195 Comanche Peak Steam Electric Station x
Construction Procedure i
INTERIM CHANGE NOTICE NUMBER S
This notice applies to Construction Procedure No. 35-1195-CCP-10, Revision 1 J
The intent of this change will (X) / will not ( ) be incorporated in the next revision to the procedure, This Change applies:
t Until Further Notice ( )
Until the next revision is issued (<X)
Only as follows:
Change the procedure as follows: On Page 4, Paragraph 3.1, delete " Class 4,"
from the sentence so that it begins, "High density concrete and its..."
~
t Reason for change:
To correct terminology.
i This e ange ap roved by:
4 h,
J her $ JSussoN Department Head
/
Quality Assurance f
Reviewed By:
- 'I k
,3c[
/
August 26, 1975 Procedures & Reports Date O
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=
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t JOB 35-1195 Comanche Peak Steam Electric Station Construction Procedure INTERIM CHANGE NOTICE NUMBER 6
This notice applies to Construction Procedurd No. 35-1195-CCP-10
, Revision 1 The intent of this change will (x) / will not ( ) be incorporated in the next revision to the procedure.
This Change applies:
Until Further Notice ( )
Until the next revision is issued (x)
Only as follows:
Change the procedure as follows:
On page 14, paragraph 4.11.2, delete step 4.
O V
Reason for change:
Corrective action per B&R OA DDR No. C-159 dated November 11, 1975.
This change approved by:
h Mr.Z
'b Wy k 0 usso er ll 7.5 g
, Department Head
// '
Quality Assurance Reviewed By:
M Procedures & Reports Date 4
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JOB 35-1195
[
Comanche Peak Stea:n Electric Station Construction Procedure INTERIM CHANGE NOTICE NUMBER 7
This notice applies to Construction Procedure No. 35-1195-CCP-10, Revision 1.
The intent of this change will (x) / will not ( ) be incorporated in the next revision to the procedure.
This Change applies:
Until Further Notice ( )
Until the next revision is issued (x)
Only as follows:
Change the procedure as follows:
On page 11, delete paragraph 4.10.5.2a.
O Reason for change:
This step in addine water is not required.
This c ange approved y:
sto Department Head 7V Quality Assurance Reviewed B
'slg'yg 7 --/2-76
.,Procedur,es & Reports Date 1
J.
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