SPILLWAY_STRUCTURE_CHUTE_SLAB_AND_WATERSTOP_REPAIR_-_FT._RANDALL_DAM,_SD_-_AM._0002_-_FULL_SIZE.PDF

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Ft. Randall Spillway Expansion Joint and Waterstop Repair
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W9128F-18-R-0007
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US Army Corps

FORT RANDALL DAM, SOUTH DAKOTA

OMAHA DISTRICT

AND WATERSTOP REPAIR

SPILLWAY EXPANSION JOINT

SOLICITATION NO.: W9128F-18-R-0007

CONTRACT NO.:

ISSUE DATE: DECEMBER 2017

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S-001

GENERAL NOTES

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INITIAL EJ WIDTH (IN.) INITIAL EJ WIDTH (IN.)

@ DETAIL B/S-501

INTERNAL TEMP OF

EXISTING SLAB (°F)

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11. SEE SPECIFICATIONS FOR FURTHER REQUIREMENTS.

COMPRESSION, 30 % TENSION, AND 120% SHEAR.

TRAFFIC, AND 10 FEET OF HYDROSTATIC HEAD WITH WORKING RANGE OF 60%

10. PREFORMED SEALS: CAPABLE OF RESISTING ULTRAVIOLET LIGHT, HIGHWAY

9. PVC WATERSTOPS: COE CRD-C 572

AS LISTED PER INTERNATIONAL CODE COUNCIL EVALUATION SERVICE.

8. STAINLESS STEEL EXPANSION ANCHORS: TYPE 316, WITH DESIGN VALUES

7. STAINLESS STEEL RIVET NUTS: SIMILAR TO NAS1329 STANDARD, TYPE 316

6. STAINLESS STEEL MACHINE SCREWS: ASME B18.6.3, TYPE 316

5. STAINLESS STEEL WELDED STUDS: AWS D1.6, TYPE 316

4. STAINLESS STEEL PLATES: ASTM A240, TYPE 316

3. STAINLESS STEEL BARS AND SHAPES: ASTM A276, TYPE 316

CONCRETE CLEAR COVER FOR REINFORCEMENT SHALL BE 3" U.N.O.

2. REINFORCING STEEL: ASTM A615 GRADE 60, EPOXY COATED PER ASTM A775

1. CONCRETE: f'c = 4,500 PSI

C. MATERIALS

REMAINING WORK.

DEMONSTRATION, THE MEANS AND METHODS USED FOR THE TRIAL SECTION SHALL BE STRICTLY FOLLOWED FOR

ON THE TRIAL SECTION, AS DETERMINED BY THE CONTRACTING OFFICER'S REPRESENTATIVE. UPON SATISFACTORY

FURTHER WITH CONSTRUCTION OF A FEATURE UNTIL SATISFACTORY DEMONSTRATION OF REPAIRS IS COMPLETED

SECTIONS IS ACCEPTED, IT WILL BE PART OF THE COMPLETED PROJECT. THE CONTRACTOR SHALL NOT PROCEED

NEED TO BE COMPLETED SIMULTANEOUSLY FOR ALL DEFINABLE FEATURES OF WORK. ONCE WORK ON TRIAL

THAN 50 FEET AND SHALL BE THE FULL WIDTH REQUIRED ON CP102. TRIAL DEMONSTRATIONS DO NOT NECESSARILY

OF CONSTRUCTION FOR EACH FEATURE. THE TRIAL SECTION SHALL BE AT LEAST 24 FEET LONG BUT NO LONGER

DURING THE INITIAL PHASE OF QUALITY CONTROL, THE CONTRACTOR SHALL CONDUCT A TRIAL DEMONSTRATION

- INSTALLATION OF EXPANSION JOINT COVER PLATES

- INSTALLATION OF EXPANSION JOINT SEAL MATERIAL

- CONCRETE PLACEMENT, CURING, AND PROTECTION

- EXPANSION JOINT HARDWARE INSTALLATION, INCLUDING STEEL ANGLES AND WATERSTOP

- REINFORCEMENT PLACEMENT/REPLACEMENT/RECONDITIONING

- SURFACE PREPARATION AND CONDITIONING

- CONCRETE REMOVAL

INITIAL, AND FOLLOW-UP PHASES OF QUALITY CONTROL AS DEFINED IN SECTION 01 45 00.00 10:

2. THE FOLLOWING ITEMS WILL BE CONSIDERED "DEFINABLE FEATURES OF WORK" SUBJECT TO PREPARATORY, EACH FEATURE OF WORK AND MEANS AND METHODS OF TRANSPORTING MATERIALS DOWN TO THE SPILLWAY.

CONSTRUCTION JOINTING. THE WORK PLAN SHALL INCLUDE ALL EQUIPMENT AND MATERIALS TO BE USED FOR

CONCRETING TECHNIQUES, CONCRETE FORMING/PLACEMENT/SEQUENCING/FINISHING/CURING/TESTING, AND

SURFACE PREPARATION, BATCH PLANT SET UP AND CERTIFICATION, HOT WEATHER AND COLD WEATHER

INSTALLATION, SEAL PREPARATION/PLACEMENT/SPLICING, AND COVER PLATE ATTACHMENT), CONCRETE

JOINT CONSTRUCTION (INCLUDING BUT NOT LIMITED TO WATERSTOP PLACEMENT/SPLICING, STEEL ANGLE

PROTECTION OF EMBEDDED ITEMS, PREPARATION/PLACEMENT/SPLICING OF REINFORCING STEEL, EXPANSION

1. PREPARE AND SUBMIT A WORK PLAN FOR APPROVAL DESCRIBING ALL ASPECTS OF CONCRETE REMOVAL, A. CONCRETE REMOVAL AND REPAIR

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JOINT AT GATE #21 AND 19'-8" DOWNSTREAM OF THE EXPANSION JOINT AT GATE #1).

SHALL BE EXTENDED 4" BEYOND (DOWNSTREAM) OF THE CONCRETE REPAIR JOINT (9'-7" DOWNSTREAM OF THE EXPANSION

NEW WATERSTOP SHALL BE SPLICED TO THE EXISTING WATERSTOP AT EACH OF THESE LOCATIONS. THE STEEL ANGLES

ALONG THE WALL AT GATE #21 AND FROM THE EXPANSION JOINT TO 19'-4" DOWNSTREAM ALONG THE WALL AT GATE #1. THE

AS SHOWN ON SHEET CP102, DETAIL B SHALL APPLY FROM THE EXPANSION JOINT (DETAIL A ON S-501) TO 9'-3" DOWNSTREAM

7. THE JOINT SHOWN IN DETAIL B ON S-501 IS APPLICABLE TO THE DOWNSTREAM EXTENT OF THE REPAIR ALONG THE WALL.

CONSTRUCTION JOINTS IN THE PIER EXTENSION SLAB.

JOINTS SHALL BE LOCATED SO THEY DO NOT LINE UP WITH 1/4" GAPS BETWEEN COVER PLATES, EXCEPT AT CONCRETE

BUTTED TOGETHER WITH NO GAP. WELDING STEEL ANGLE SECTIONS TOGETHER IS NOT REQUIRED. STEEL ANGLE BUTT

6. COVER PLATES SHALL MAINTAIN A 1/4" GAP BETWEEN THE 10" WIDE STEEL PLATE SECTIONS. ALL STEEL ANGLES SHALL BE

STAINLESS STEEL ANGLES AT THE SPILLWAY WALLS WILL BUTT UP AGAINST THE DOWNSTREAM SIDE OF THE COVER PLATE.

5. COVER PLATES SHALL EXTEND ALONG THE EXPANSION JOINT, ALL THE WAY ACROSS THE WIDTH OF THE SPILLWAY. NEW

WATER AND DEBRIS OUT OF JOINT UNTIL SEAL INSTALLATION IS COMPLETE.

4. THE JOINT SEAL (EVAZOTE OR EQUAL) SHALL NOT BE INSTALLED UNTIL ALL CONCRETE PLACEMENT IS COMPLETE. KEEP

EXPANSION JOINT WIDTH IS CONSISTENT ALONG ITS ENTIRE LENGTH.

PLACEMENT. SUBSEQUENT CONCRETE PLACEMENTS SHALL MATCH THE ADJACENT JOINT WIDTH AS IT CHANGES, SO THE

(AT LEAST 10" LONG) THERMOMETER. MEASURE TEMPERATURE IMMEDIATELY DOWNSTREAM OF FIRST CONCRETE

WITH WATER, WAITING FOR TEMPERATURE TO EQUALIZE, AND MEASURING THE TEMPERATURE WITH A LONG-STEMMED

CONTRACTOR SHALL MEASURE INTERNAL TEMPERATURE BY CORING 12" INTO THE EXISTING SLAB, FILLING THE HOLE

3. EXPANSION JOINT WIDTH FOR INITIAL CONCRETE PLACEMENT SHALL BE AS SPECIFIED IN THE TABLE BELOW.

TO RESTART PLACEMENT FROM THE SPILLWAY CENTER AND PROCEED IN THE OPPOSITE DIRECTION.

CONTRACTOR WILL BE ALLOWED TO PROCEED A MAXIMUM OF 250 FEET IN ONE DIRECTION BEFORE BEING REQUIRED

STARTING FROM THE CENTER OF THE SPILLWAY, THE LEFT AND RIGHT OF CENTER TOWARD SPILLWAY WALLS.

2. BEGIN CONCRETE PLACEMENT AT THE CENTER OF THE SPILLWAY AND THEN PROGRESS OUTWARD SYMMETRICALLY

FOR APPROVAL IN ACCORDANCE WITH THE MANUFACTURER'S WRITTEN RECOMMENDATIONS.

SPLICED WITH EXISTING WATERSTOPS AT WEIR CONSTRUCTION JOINTS AND SPILLWAY WALLS. SUBMIT SPLICE DETAILS

1. SEAL AND WATERSTOP SHALL BE CONTINUOUS ACROSS THE SPILLWAY WIDTH. THE NEW WATERSTOP SHALL BE

B. EXPANSION JOINT CONSTRUCTION

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WIDTH VARIES, SEE CP102

18" DEEP REMOVAL:

SEE NOTE 4 AND WIDTHS ON CP102

PARTIAL DEPTH & MORTAR REMOVAL:

FULL DEPTH REMOVAL: 5'-0"

9"

" 1 /4

TABLE

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0% SLOPE

TYP. CONC. REMOVAL SECTION

48" LAP SPLICE. SEE NOTE 4 OF

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4% SLOPE

PIER BEYOND

NOT TO SCALE

EXISTING

FROST BLANKET

PIER

EXTENSION

SLAB

#9 @ 12"

EXISTING

REMOVE 6" PVC WATERSTOP

REMOVE 3/4" EXPANSION JOINT

EXISTING #7 @ 12"

AND MINIMUM DEPTH SHOWN

REMOVE TO SOUND CONCRETE

TAR PAPER

EXISTING

SAW CUT

FULL DEPTH

EXISTING #4 @ 6"

@ 8'-4"

ANCHOR BARS

EXISTING #11

INITIAL 1-1/2" SAWCUT, TYP.

FINAL 1-1/2" SAWCUT, TYP.

NOTE (TYP.)

DEMOLITION, SEE

DAMAGE DURING

PROTECT EDGE FROM

EXISTING #4 @ 6"

TO REMAIN

DOWELS @ 2'-0"

EXISTING #6

1A

EXISTING #7 @ 12"

TYPICAL CONCRETE REMOVAL SECTION (LAP SPLICE)

SHOWN IN THE CONCRETE REPLACEMENT SECTION BELOW.

5. WHERE REINFORCEMENT SHOWN TO REMAIN IS DAMAGED OR REMOVED DURING DEMOLITION, IT SHALL BE REPLACED AS

S-502 FOR ALTERNATE SECTION CUTS OF THE MECHANICAL BUTT SPLICE OPTION AT "PARTIAL DEPTH REMOVAL" AREAS ONLY.

AND EPOXYING NEW REINFORCEMENT INTO EXISTING CONCRETE WILL NOT BE PERMITTED AT THIS LOCATION. SEE SHEET

CONCRETE REMOVAL WIDTH TO A DIMENSION THAT WILL ALLOW SPLICE INSTALLATION, BUT NOT LESS THAN 6". DRILLING

REINFORCING WITH EXISTING. THE CONTRACTOR MAY INSTEAD PROVIDE MECHANICAL BUTT SPLICES AND REDUCE

4. FOR "PARTIAL DEPTH REMOVAL" AREAS SHOWN ON CP102, 4'-3" IS THE MINIMUM WIDTH REQUIRED TO LAP SPLICE NEW

3. REPLACE AND RE-LEVEL FROST BLANKET MATERIAL AS NECESSARY.

2. DISPOSE OF DEMOLISHED MATERIALS OFF-SITE.

REQUIREMENTS IN SPECIFICATION SECTION 03 01 32.

JAGGED EDGES WILL NOT BE PERMITTED. UTILIZE DOUBLE PERIMETER SAW CUTS TO PROTECT EDGES - SEE FURTHER

1. TOP EDGES OF EXISTING CONCRETE AT DEMOLITION LIMITS SHALL BE STRAIGHT PRIOR TO NEW CONCRETE PLACEMENT.

NOTES:

TO REMAIN

#9 @ 12"

EXISTING

NEW HOOKS TO EXISTING VERTICAL #11 BARS.

CONCRETE FROM EXISTING HOOKS OR CUT AND MECHANICALLY SPLICE

WHILE REMOVING EXISTING CONCRETE SLABS. CHIP AWAY REMAINING

LOCATE AND CHIP/SAW CUT AROUND ANCHOR BARS TO AVOID DAMAGE

TO REMAIN

#9 @ 12"

MID-DEPTH

EXISTING

NOT TO SCALE

A

3/16

NOT TO SCALE

JOINT DETAIL @ PIER EXTENSION SLAB

JOINT DETAIL @ SPILLWAY WALL B

WILL ALLOW DISASSEMBLY WITH HAND TOOLS.

BENEATH SCREW HEADS AND THREADLOCKING COMPOUND THAT

DRIVE @ 12" OC. FOR FINAL ASSEMBLY, APPLY SILICONE SEALANT

3#8" - 16 COUNTERSUNK MACHINE SCREWS W/ INTERNAL HEX

NOTES:

1. ALL STEEL EXPANSION JOINT COMPONENTS SHALL BE TYPE 316 STAINLESS.

2. JOINT IS PERPENDICULAR TO JOINT IN DETAIL A ABOVE AND APPLIES AT

EDGES OF CHUTE SLAB ADJACENT TO SPILLWAY WALL. THIS DETAIL DOES

NOT APPLY UPSTREAM OF THE JOINT IN DETAIL A.

3. SEE JOINT WIDTH REQUIREMENTS ON S-001.

STUDS @ 18" OC, TYP.

1/2" X 4" WELDED

SPONGE RUBBER

JOINT WIDTH

" MAX2

1" MIN AND 42

WEB TO ACCOMMODATE

WATERSTOP WITH TEAR

OR EQUIVALENT PVC

GREENSTREAK MODEL 700

SPONGE RUBBER

SPILLWAY CHUTE SLAB

EXISTING SPILLWAY WALL

MIN @ 12"

ANCHORS EMBEDDED 3"

REUSABLE EXPANSION

1/2" DIA. COUNTERSUNK,

CONCRETE PLACEMENT TO ENSURE PROPER FIT-UP.

PLATE SHALL BE FASTENED TOGETHER DURING

BETWEEN PLATES. THE UPSTREAM ANGLE AND COVER

10" X 1/2" PLATE IN 12'-0" TYP. LENGTHS W/ 1/4" GAPS

" STEEL BAR8

5"X8

5CONT.

FELT

NONPERFORATED

DOUBLE LAYER 30#

FELT

NONPERFORATED

DOUBLE LAYER 30#

HALF HEX BODY RIVET NUTS (SIMILAR TO NAS1329 STANDARD)

STEEL ANGLES

CONTINUOUS8

3L4X4X

NUT PLACEMENT.

NOT CONFLICT WITH RIVET

18" OC, TYP. STUDS SHALL

1/2" X 4" WELDED STUDS @

BENEATH EACH MACHINE SCREW.

VOID). ADHERE TO ANGLE

WATER FROM ACCUMULATING IN

SCREWS WHILE PREVENTING

ALLOW FUTURE REPLACEMENT OF

RUBBER (OR OTHER MATERIAL TO

" CLOSED CELL SPONGE 2

12x2x1

APPLY CONT. BEAD OF EPOXY SEALANT

INSTALL PER MFR INSTRUCTIONS.

" MAX JOINT WIDTH. 4

1AND 2

SEAL TO ACCOMMODATE 3/4" MIN

WABO EVAZOTE OR EQUIVALENT

WATERSTOP PER MFR INSTRUCTIONS.

SPLICE WITH NEW MODEL 700

IF DAMAGED DURING DEMOLITION.

" MAX JOINT WIDTH)4

3/4" MIN AND 2

581 (WITH TEAR WEB TO ACCOMMODATE

WATERSTOP. REPLACE WITH MODEL

EXISTING GREENSTREAK MODEL 609

ENTIRE SPILLWAY WIDTH, TYP.

STEEL ANGLE ALONG8

34X4x

TABLE

SEE

SLOPE

4%

MANUFACTURER'S INSTRUCTIONS.

" MAX JOINT WIDTH. INSTALL PER 2

1" MIN AND 42

WABO EVAZOTE OR EQUIVALENT SEAL TO ACCOMMODATE

NOTES:

1. ALL STEEL EXPANSION JOINT COMPONENTS SHALL BE TYPE 316 STAINLESS.

2. COVER PLATE LENGTHS SHALL BE AT LEAST 6'-0" BUT NOT GREATER THAN 20'-0".

3. STEEL ANGLES AND COVER PLATES SHALL NOT BE CONTINUOUS THROUGH PIER

EXTENSION SLAB CONSTRUCTION JOINTS UPSTREAM OF THE EXPANSION JOINT.

4. SEE JOINT WIDTH REQUIREMENTS ON SHEET S-001.

A

PIER BEYOND

NOT TO SCALE

EXISTING

FROST BLANKET

MIN

4% SLOPE,

TYP.

4% SLOPE 4% SLOPE

2'-0" MAX 2'-6" MAX

#9 @ 12"

EXISTING

TO REMAIN

DEPTH #9 @ 12"

EXISTING MID-

PLACEMENTS

SEPARATE CONCRETE

CHUTE SLAB

SPILLWAY

@ 8'-4"

ANCHOR BARS

EXISTING #11

LAP SPLICES.

@ 12", T&B. USE 48"

NEW CONT. #7 BARS

FELT

NONPERFORATED

DOUBLE LAYER 30#

3/8" R

NEW #9 BARS @ 12"

NEW #4 @ 6"

WIDTH

ALONG SPILLWAY

DOWELS @ 24"

NEW #6 HOOKED

TOP & BOTTOM

NEW #7 @ 12",

CONCRETE

INTO EXISTING

DRILLED & EPOXIED

NEW #9 @ 12"

1B

@ 12"

NEW #4 TIES

TYPICAL CONCRETE REPLACEMENT SECTION (LAP SPLICE)

NOTE:

CONTRACTOR SHALL GRIND STAINLESS STEEL ANGLES TO CREATE THE NECESSARY BONDING SURFACE FOR THE JOINT SEAL. MATERIALS

TO CUT, DRILL, GRIND, OR BLAST STAINLESS STEEL SHALL BE FREE OF IRON, SULFUR, AND CHLORINE. SEE FURTHER REQUIREMENTS IN

SPECIFICATION SECTION 03 15 00.00 10.

CONCRETE, TYP.

12" INTO EXISTING

EPOXY NEW BARS

REMOVED BY DEMO.

REPLACE IF DAMAGED/

REMAIN, OR

BARS @ 2'-0" TO

EXISTING #6 VERT.

BARS

#6 & #11 VERT.

TO ALL EXIST.

2 COATS EPOXY

FIELD APPLY

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GENERAL
G-001COVER & INDEX (1)
SITE & STRUCTURAL
CP102 SPILLWAY SLAB SITE PLAN (1)
S-001 GENERAL STRUCTURAL NOTES (1)
S-501 STRUCTURAL DETAILS (1)

File details come from the government source that posted it.