ML20127B715

Rev 1 to Special Process Procedure W-SP-6, Bending & Straightening of Reinforcing Bars Partially Embedded in Concrete & Placing of Bars in Hardened Concrete

ML20127B715
Person / Time
Site:	Waterford
Issue date:	05/13/1976
From:	J.A. JONES CONSTRUCTION CO.
To:
Shared Package
ML17198A241	List: ML20127B594 ML20127B604 ML20127B608 ML20127B615 ML20127B637 ML20127B645 ML20127B658 ML20127B665 ML20127B671 ML20127B678 ML20127B687 ML20127B691 ML20127B695 ML20127B707 ML20127B715 ML20127B719 ML20127B723 ML20127B736 ML20127B741 ML20127B745 ML20127B755 ML20127B757 ML20127B761 ML20127B771 ML20127B777 ML20127B782 ML20127B788 ML20127B792 ML20127B802 ML20127B825 ML20127B828 ML20127B839 ML20127B844 ML20127B848 ML20127B854 ML20127B862 ML20127B866 ML20127B871 ML20127B878 ML20127B883 ML20127B887 ML20127B895 ML20127B900 ML20127B903 ML20127B908 ML20127B912 ML20127B916 ML20127B921 ML20127B925 ML20127B930 ... further results
References
FOIA-84-455 W-SP-6, NUDOCS 8506220036
Download: ML20127B715 (4)

Text

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d Proccdure No.

W-SP-6 J..A. JONES CONSiRUCTION COMPANY c.-

SPECIAL PROGESS PRO.CEDURE FOR SENDING AND STRAlCIITENING OF REINFORCING BARS PARTIALLY EMBEDDED IN C0f! CRETE AND

. PLACING OF BARS IN HARDENED-CONCRETE WATERFORD SES UNIT NO.3 CONTRACT NO. W3-NY-4 ENGlHEERING QUALITY ASSURANCE CONSTRUCTION REV.

DATE APPRO.VED BY DATE APPROVED BY DATE

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PDR FREEDOel 0F INFORMATION l

gARDEB4-55 ACT REQUEST 14.wff cisa

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-I J. a. JONES CONSTRUCTION COMPANY SPECIAL PROCESS PROCEDURE PACE 1 0F 3 I

PROCEDURE NO.

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TITI.E *.

EMBEDDED IN CONCRETE AND PLACI V-S P-6 RS PARTIALLY j

WATERFORD SES UNIT NO. 3 IN HARDENEO CONCRETQ

g. DATEREV. N0. I PROJECT TITLE:

5/13/76 CONT MCT NO. W3-NY-4 1.0

_ PURPOSE To specify methods to be used by J and its' subcontractors to straighten. A. Jones Constructio has been placed.

reinforcing steel after concrete 2.0

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steel after concrete has been placedThis proce e used to straighten reinforcing

'3. 0 REFERENCES i

3.1 ACI 318-71 3.2 I

ACI 318 Commentary.

t.1 3.3 1975 Supplement to ACI-318-71 and its Co 4.0 DEFINITIONS mmenta ry.

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None.

5.0 RESPONSIBILITY A

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J. A. Jones is to assure proper preparati-bending of concr,ete surfaces against damage by heatiprop 1

, and proper protection 6.0 BENDING AND STRAIGHTENING OF REINFORCIN ng.

G 00WELS 6.1 may be brought to their plumb positionReinfo accordance with ACI-318-71 and the req and bars that have"been a

t is performed in 6.2 rements below.

The minimum distance from the center of th concrete greater. surface shall be 6 inches or 5 bar diameters whi h 6.3 and maintained at that level until bendiThe re c ever is i

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to between 1100F and 1200F each way from the center of the bend exce r

ng is c.omplete.

t The equal to 5 bar diameters extend below the surface of the concrete liar at the concrete Interface shall not l

that preheat shall not p

The temperature of the hars shall not be artificially cooled (

exceed 5000 alr) until after cooling to at least 600 Fsuch as by water or force F.

The heated 0

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'i J. n. JONES CONSTRUCTION COMPANY 7

PAGE 2 0F 3 i

1 SPECIAL PNCIS5 PROCEDURE W-SP-6 1

BEHDING AND STRAIGHTElllNG OF REINFORCING BARS PARTIALLY REV. NO. I TITLE.

EMBEDDED lil C0f CRETE AND PLACING OF BARS IN HARDEllED C0t! CRETE

& DATE -

5/13/7o, i

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PROJECT TITLE:

WATERFORD SES UNIT NO 3

CONTRACT NO. W3-NY-4

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Temperature - Heasuring cra'ons shall be used to determine 6.4 y

the temperature. Heat shall be applied in such a way as to 1

avoid damage to the concrete.

Care shall be taken to prevent' quenching of heated bar either by application of water or by

, exposure to sudden down pour of.# rain. '

t-1 7.0-MINIMUM SEND DIAMETER j

i 7.1 In the case of bending of reinforcing bars, the following minimum diamters of bend shall apply:

Bar Sizes 3-8 6 bar diameter 8 bar diameter Bar Sizes 9-11 Bar Sizes 14 & 18 e 10 bar diameter I

8.0 ACCEPTABILITY OF BARS 8.1 Straightened bars shall be visually inspected to determine whether they are cracked reduced in cross section, or otherwise '

l damaged.

• l Any damaged portions wi1I be cause for rejection and new bar will be grouted in place.

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3.0 PLACING 00WELS IN HARDENED CONCRETE

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3.1 Dowels that are to be placed in hardened concrete shall be i

drilled and epoxy grouted in place in accordance with the following conditions.

1 j2 Holes for various size dowels will be drilled as close as possible to design location and in accordance with the charts below:

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CHART "A" Hole Size i

aar tire 4

5 6

7 8

9 10 11 14 18 Minimum Hole Size 1" 1 1/8" It' I 3/8" l{a 1 5/8" 1 3/4" l 7/8" 2t' 2 3/4" i

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1 EART "9" i

I Embedment Lenoth (Inches) i nar sire 4

5 6

7 I8 9

10 11 14 18 l

4000 PSI concrete 6

6 8

11 15 19 24 29 40 54 1

S.3 Bars will be requisitioned and/or fabricated according to the reinforcing steel design drawings.

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e J. i. J0NES CONSTRUCTION COMPANY I

PAGE 3 0F 3 1

i SPECIAL PROCESS PROCEDURE P0 0 RE NO.

BENDING AN8 STRAIGHTENING OF REINFORCING BARS' PARTIALLY REV.~NO.

I TITLE:

EMBEDDED IN CONCRETE AND PLAClHG OF 1%RS IN HARDENED CONCRE1 Et,DATE 5/13/76 PROJECT TITLE:

WATERFORD SES UNI NO. 3 CONTRACT NO. V3-NY-4 AI 9.4 The hole will be filled half full with the grouting agent prior to inserting dowel.

The dowel will be inserted in hole, being careful to insure that the dowel is completely bottomed out.

If

. necessary, add more epoxy agent to completely fill hole.

S.5 ser will be adequately braced during set time of epoxy agent in

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order to insure dowel is plumb.

[E.0 hyrACHMENTS

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