a or b existing cylinder see note 5 on sht 5...drawing number coordinator r.c.e. 56523 date revision...

20" TO 54" DIAMETER PIPE

BETW EEN SCRW AND W SP

BUTT STRAP CONNECTION

DRAWING

NUMBER

COORDINATOR R.C.E. 56523 DATE

BY APPROVED DATEREVISION

CITY OF SAN DIEGO - STANDARD DRAWING OF SAN DIEGO STANDARDS COMMITTEERECOMMENDED BY THE CITY

9/7/18

SDW -175

ORIGINAL EH J. NAGELVOORT 09/18

A or B

4" MIN (TYP)SEE NOTE 7 ON SHT 5

SEE NOTE 3 ON SHT 5

(TYP)

SHEET 2

A or B

(TYP)

FOR PREPARING SCRW PIPE (C303) FOR BUTT STRAP INSTALLATION, SEE SHEET 4.4.

FOR FINAL BUTT STRAP CONNECTION AND M ORTAR COATING DETAILS, SEE DETAILS ON SHEET 3.3.

FOR BUTT STRAP THICKNESS AND W IDTH, SEE TABLE 1, SHEETS 6 & 7.2.

FOR INSTALLATION INSTRUCTIONS AND NOTES, SEE SHEET 5.1.

NOTES:

1"

6"(TYP)butt W

4" MIN 4" MIN

PLAN VIEW

C

C

C

C

C

C

C

C

C

C

C

C

C

C

C

C

C

C

C

SHT 5

& 5 ON

NOTES 4

SEE

SEE NOTE 5 ON SHT 5

EXISTING CYLINDER

AW W A C303

PRETENSIONED PIPE

EXISTING SCRW PIPE,

NOTE 3 ON SHT 3

FILLER BAR, SEE

SHOW N FOR CLARITY

AW W A C200, COATING NOT

W ELDED STEEL PIPE (W SP)

SHT 4

W ELD SEE

INITIAL

SHT 4

PRETENSIONED ROD, SEE

EXISTING PIPE W /

REGARDING CUTTING OF

INSTRUCTION AND DETAILS

EDGE OF CUT, FOR

SHEET 3

CONNECTION SEE

BUTT STRAP

ON SHT 5

SEE SHT 3 AND NOTE 12

BUTT STRAP HAND HOLE

SHEET 1 OF 7




DRAWING

NUMBER




9/7/18


SDW -175

NOTES:

t rqd

t rqd

45° (T

YP)

90°0'0" (TYP)

120°0'0" (TYP)

30°0'0" (T

YP)

C

C

C

C

C

C

C

C

C

C

C

C

C

C

C

C

C CC

C

BUTT STRAP

CEMENT M ORTAR LINING

FIELD APPLIED

BUTT STRAP

DETAILS, SEE SHEET 3.FOR FINAL M ORTAR COATING 3.

TW O HAND HOLES ON TOP HALF CONTRACTOR M AY ALSO USE 4.

AND W IDTH, SEE TABLE 1.

FOR INSTALLATION INSTRUCTIONS 1.

FOR BUTT STRAP THICKNESS 2.

AND NOTES, SEE SHEET 5.

SEE NOTE 4 20" TO 33" DIAMETER PIPE

SEE NOTE 12 ON SHEET 5

SECTION B-B

SECTION A-A

DIAMETERS 24 INCHES AND LESS.OF PIPE, PER SECTION A, FOR PIPE

SEE NOTE 12 ON SHEET 536" TO 54" DIAMETER PIPE

SHEET 3

SPLICE SEE

BUTT STRAP

HOLE SEE SHEET 3

BUTT STRAP HAND

HOLE SEE SHEET 3

BUTT STRAP HAND

SHEET 3

SPLICE SEE

BUTT STRAP

M ORTAR LINING

FIELD APPLIED CEMENT

SHEET 2 OF 7




DRAWING

NUMBER




9/7/18


SDW -175

BUTT STRAP SPLICE

t y

t y

t y

t y

SEE NOTE 16ON SHT 5

SEE NOTE 3 ON SHT 5

SEE NOTES 14 & 15 ON SHT 5

1/4

t rqd /2

t rqd /2

t rqd

NOTES

FOR INSTALLATION INSTRUCTIONS AND NOTES SEE, SHEET 5.

FOR BUTT STRAP THICKNESS AND W IDTH, SEE TABLE 1, SHEETS 6 & 7.

OUTSIDE DIAMETER OF STEEL CYLINDER (C200) W ITH FILLER BAR SHALL BE

OUTSIDE DIAMETER OF SCRW PIPE STEEL CYLINDER (C303) +0" -1/8".

2"

MIN

1"1"

3"

t rq

d

t rqd

t pip

e

2"

MIN

t rq

d

t pip

e

t y

t y

t fill

er

3"

(TYP)

4" MIN 8" MIN 4" MIN

SEAL

SEE NOTE 10ON SHT 5

SEE NOTE 10 ON SHT 5

BUTT STRAP HAND HOLE


SEE NOTES 10 & 13 ON SHT 5

1/4" MIN W ELD TYP

C

C

C

C

CC

C

C

C

C

C

C

C

C

CC

C

C

C

C

C

C

C C

C

C

C

C

C

C

C

C

C

C

C

C

C

C

C

C

CC

C

CC

C

C

CC

CC

C

C

C

C

C

C

C

C

C

C

CC

CC

C

2" x 4" W 0.9 x W 0.9

CEMENT-M ORTAR LINING

BOTTOM HALF OF BUTT STRAP

OF JOINT

IN GAP FOR FULL W IDTH

1/4" x 1" BACKING PLATE

2" x 4" W 0.9 x W 0.9

OVER BUTT STRAP

M ORTAR COATING

5", 3000# STEEL THD HALF COUPLING

CEMENT-M ORTAR LINING

CEMENT-M ORTAR COATING

OVER BUTT STRAP

M ORTAR COATING

AW W A C200 W SP

AW W A C200 W SP

SEE NOTE 10 ON SHT 5

1.

2.

3.

CONCRETE LINING

TO M ATCH EXISTING

HAND APPLY CEMENT-M ORTAR

HOLES SEE NOTE 10 ON SHT 5

CONCRETE LINING

TO M ATCH EXISTING


HOLES SEE NOTE 10 ON SHT 5

ON SHT 5

PRETENSION BARS, SEE NOTE 9

CONCRETE LINING

TO M ATCH EXISTING


AFTER INSTALLATION.

SEAL-W ELD STEEL PLUGS

5" STEEL, NTP, THD PLUG.

COATING

CEMENT-M ORTAR

:

PRETENSIONED PIPE

EXISTING C303 (SCRW )

PRETENSIONED PIPE

EXISTING C303 (SCRW )

SHEET 3 OF 7




DRAWING

NUMBER




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SDW -175

SCRW PIPETO REM AIN

SCRW PIPETO REM OVE

SCRW PIPETO REM AIN

SCRW PIPETO REM OVE

SCRW PIPETO REM AIN NEW PIPE SCRW PIPE

TO REM AIN

NOTE 4 ON SHT 5

L

16" M AX

NOTES:

SEE SHEET 5 FOR DETAILED INSTALLATION INSTRUCTIONS.

SEE SHEETS 1, 2 & 3 FOR BUTT STRAP INSTALLATION.

SEE SHEETS 6 & 7 FOR BUTT STRAP DIMENSIONS.

C OF BUTT STRAP

10" MIN4" MIN

"L"

6" M AX

C

C

C

CC

C

C

C

C

C

C

C

C

C

C

EDGE OF CUT

EDGE OF CUT

UNDAM AGED ROD W RAP

COIL BACK REM AINING BUTT STRAP

M ORTAR COATING

REINFORCED CEMENT-

CUT PROCEDURE

1.

2.

3.

NOTE 7. SHEET 5

SHEET 1 AND

CYLINDER, SEE

STEEL

W RAP TO

W ELD ROD

STRAP, SEE SHEET 1

W RAP TO BUTT

PULL TAUT W ELD ROD

STRAP BY 1" MIN,

OVERLAPPING BUTT

UNCOIL ROD W RAP

SHEET 4 OF 7




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SDW -175

PENETRANT TESTING SHALL BE PERFORMED ON THE GROOVE W ELD ROOT PASS.16.

.y

SHALL NOT BE LESS THAN tfiller t15.

rqd

, ELSE W ELD SIZE SHALL BE tfiller

THEN W ELD SIZE SHALL BE ty

IS LESS THAN tfiller

IF t14.

rqd , ELSE W ELD SIZE SHALL BE t

filler , THEN W ELD SIZE SHALL BE t

rqd IS LESS THAN t

filler IF t13.

OR SIMILAR ACCESS POINT.

HAND-HOLES CAN BE OMITTED IF INTERIOR OF PIPE IS ACCESSIBLE THROUGH NEARBY ACCESS M ANW AY 12.

FABRIC HELD 3/8" FROM THE STEEL.

COATING TO EXTERIOR OF PIPE IN ACCORDANCE W ITH AW W A C205/C303 REINFORCED W ITH W ELDED W IRE

USING HAND HOLES. THEN INSTALL HAND HOLE PLUG AND SEAL W ELD. APPLY PORTLAND CEMENT M ORTAR

AFTER W ELDING AND TESTING OF BUTT STRAP IS COMPLETE, APPLY PORTLAND CEMENT M ORTAR LINING 11.

OF ACCESS, AIR TEST HOLES CAN BE OMITTED AND FILLET W ELDS SHALL BE TESTED USING PENETRANT TEST.

HOLES ON COMPLETION OF SOAP AND AIR TEST. IF INSIDE W ELD CANNOT BE PERFORMED DUE TO THE LACK

DRILL AND TAP HOLES FOR AIR TESTING PRIOR TO W ELDING, CONTRACTOR SHALL PLUG W ELD TAPPED 10.

OVERLAP THE BUTT STRAP BY 1" AND W ELD ROD AS SHOW N ON SHEET 1.

W ELD THE BUTT STRAP TO THE CYLINDER, AS SHOW N. PULL TAUT THE REM AINING ROD W RAP AND 9.

OF UNTENSIONED ROD W RAP SO THE BUTT STRAP CAN BE INSTALLED (DO NOT BEND THE RODS).

M ARK AND REM OVE PIPE AND ANY ROD NOT STILL CONNECTED TO THE REM AINING PIPE. COIL BACK PORTION

AFTER W ELDING THE ROD W RAP TO THE STEEL CYLINDER, CUT THE CYLINDER AND ROD W RAP ALONG CUT 8.

RODS AND THE W ELDERS SHALL BE CERTIFIED W ELDERS PER ASME BPVC, SECTION IX.

. ALL W ELDING SHALL BE PERFORMED USING E60XX W ELDING IS PROPERLY W ELDED TO THE STEEL CYLINDER

NOTE THE ROD W RAP HAS TENSION AND CANNOT BE CUT UNTIL IT REM AIN; 6" M AX FROM THE CUT M ARK.

M AKE A 4" LONG W ELD ON ONE CIRCUMFERENTIAL ROD W RAP TO THE STEEL CYLINDER OF THE PIPE TO 7.

M ARK THE CUT LOCATION ON THE EXPOSED ROD W RAPPED CYLINDER.6.

CUT M ARK FOR THE PIPE THAT W ILL BE REM OVED.

FOR THE PIPE THAT W ILL REM AIN. THEN CHIP OFF THE M ORTAR COATING 4” FROM THE CENTERLINE OF THE

CAUTIOUSLY CHIP OFF 10" TO 16" OF THE M ORTAR COATING FROM THE CENTERLINE OF THE CUT M ARK 5.

DETERMINE LENGTH "L" OF PIPE TO BE REM OVED AND M ARK ON PIPE.4.

CONDITIONS.

STRAP W IDTH SHOW N ON TABLE 1 IS THE MINIM UM W IDTH. THE W IDTH M AY BE INCREASED TO MEET FIELD

FABRICATE THE BUTT STRAP USING THE DIMENSIONS SHOW N ON TABLE 1, SHEETS 6 AND 7. THE BUTT 3.

DO NOT W ELD REINFORCING TO CYLINDER OR CUT REINFORCING W HILE PIPE HAS INTERNAL PRESSURE.2.

ENTIRE PIPE SECTION (TO THE NEAREST JOINT) SHOULD BE REM OVED AND REPLACED.

PIPELINE. IF THE CYLINDER THICKNESS IS LESS THAN 10 GAGE (0.135”), DO NOT USE THIS DETAIL. THE

DETERMINE THE PIPE DIAMETER, CYLINDER THICKNESS AND PRESSURE RATING OF THE EXISTING 1.

:NOTES

SHEET 5 OF 7




DRAWING

NUMBER




9/7/18


SDW -175

SHEET 6 OF 7




DRAWING

NUMBER




9/7/18


SDW -175

SHEET 7 OF 7

a or b existing cylinder see note 5 on sht 5...drawing number coordinator r.c.e. 56523 date revision...

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