Drawings_Tully_Lake_3-12-19.pdf

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ELEV. 624.33

ELEV. 648.33

1'- 1/4 "

EXISTING RAIL SUPPORTS RAIL SUPPORTS (REVISED LOCATIONS)

(SEE NOTE 5, THIS SHEET)

EXISTING 3.75X12 C-CHANNEL, TYP.

(SEE SHEETS S-301 & S-302)

RAIL ASSEMBLY (TYPICAL)

MIDDLE RAIL SECTION

END SECTION

APPROX. LOCATION OF RAIL

LOWER RAIL SECTION

AND HARDWARE

NEW RAIL SECTION

(SEE SHEET S-302 FOR DETAILS)

NEW RAIL ASSEMBLY (TYPICAL)

F1

A1 0 2' 4'1'

0 4' 8'2'

EXISTING EMERGENCY GATE GUIDES

SCALE: 1/2" = 1' - 0"

EXISTING RAIL SUPPORTS AND NEW RAIL SUPPORT LOCATIONS

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SEE S-303

T-SECTION

EXISTING

SECTIONS AND ASSEMBLIES

REMOVE EXISTING RAIL

F5 0 4' 8'2'

NEW EMERGENCY GATE GUIDES

SCALE: 3" = 1' - 0" SCALE: 3" = 1' - 0"

SEE NOTE 6

DIAMETER OF WHEEL IS 12".

FIELD VERIFY DIMENSION TO ASSURE SMOOTH OPERATION OF GATE.

NEW PLATES IS ESTIMATED AT 1'- 1/4" TO ALLOW FOR GATE WHEEL PASSAGE.

6. DISTANCE BETWEEN END OF NEW RAIL ASSEMBLY AND NEW T-SECTION WITH

ARE TO BE INSTALLED.

AFTER COMPLETION OF ALL PAINTING, NEW RAILS AND STEEL PLATES

PREPARATION AND PAINTING SHALL BE AS PER THE SPECIFICATIONS.

(24 FT ZONE) SHALL BE PREPARED AND PAINTED.

FROM THE BOTTOM OF THE WET WELL (ELEV. 621.33) TO ELEVATION 468.33

5. THE EXPOSED SURFACES OF THE EXISTING C-CHANNELS AND T-SECTIONS

ON SHEET S-301. REFER TO SHEET S-302 FOR MATERIAL REQUIREMENTS.

4. NEW ANCHOR BOLTS SHALL BE INSTALLED AT THE LOCATIONS AS SHOWN

THE EXISTING 12" C-CHANNEL.

BOLTS SHALL BE CUT OFF AND GROUND SMOOTH DOWN TO THE SURFACE OF

NEW ANCHOR BOLTS SHALL BE INSTALLED. THE IN-PLACE ANCHOR

REMOVED UTILIZING MECHANICAL METHODS SUCH AS A BREAKER BAR.

RECYCLED AT THE CONTRACTOR'S EXPENSE. THE EXISTING NUTS SHALL BE

3. THE LOWER RAIL SECTIONS AND HARDWARE SHALL BE REMOVED AND

MOBILIZATION.

THE DIVE PLAN SHALL BE SUBMITTED FOR COR APPROVAL PRIOR TO

THE DEWATERING BULKHEAD.

A DIVE PLAN WILL BE REQUIRED TO COMPLETE THE INSTALLATION OF

FOR APPROVAL PRIOR TO CONSTRUCTION.

DEWATERING THE GATE WELL. A DEWATERING PLAN SHALL BE SUBMITTED

2. THE CONTRACTOR MAY USE THE EXISTING TRASH RACK ASSEMBLY FOR

RAIL SECTION. REFER TO SHEET S-302 AND S-303 FOR ADDITIONAL DETAILS.

RAIL SECTION SHALL BE FIELD CUT AND GROUND SMOOTH TO MATCH THE NEW

FEET (APPROXIMATELY 3 FEET IN LENGTH). THE LOWER END OF THE MIDDLE

MIDDLE RAIL SECTION FROM APPROXIMATE ELEV 645.2 FEET TO ELEV 648.3

IN PLACE EXCEPT APPROXIMATELY 3 FEET OF THE LOWER END OF THE

AND HARDWARE. THE UPPER RAIL SECTIONS AND HARDWARE SHALL REMAIN

LOWER 24 FEET OF RAIL SHALL BE REMOVED AND REPLACED WITH NEW RAIL

LENGTH EACH. THE UPPER 36 FEET OF RAIL SHALL REMAIN IN PLACE AND THE

RAILS CONSISTS OF THREE RAIL SECTIONS APPROXIMATELY 20 FEET IN

SUPPLIED AS SHOWN ON THE COVER SHEET. EACH OF THE TWO EXISTING

FURNISHED EQUIPMENT (GFE), BUT SOME HARDWARE WILL NEED TO BE

RAIL ASSEMBLY. MOST OF THE HARDWARE NEEDED WILL BE GOVERNMENT

TWO (2) ½" X 2½" X 24' LONG STEEL PLATES TO THE T-SECTION OPPOSITE THE

(2) RAIL SECTIONS AND HARDWARE (EACH NEW RAIL IS 24 FEET LONG) AND ADDING

COMPONENTS OF THE WORK CONSISTS OF REMOVING AND REPLACING TWO

1. THE WORK IS LOCATED WITHIN THE SOUTH EMERGENCY GATE SLOT. THE PRIMARY

GENERAL NOTES

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6"1 1/2 " 4 1/2 "

3" 3"

RAIL CLIP

CLIP SPACER

TO REMAIN

EXISTING C-CHANNELS

2 5/16 "

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1 1/4" X 1 1/8" SLOTTED HOLE

1 1/8" SLOTTED HOLE

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2 1/4 "

1 7/1 6 "

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RAIL

MATERIAL NOTES

D1 D5

RAIL CLIP PLAN VIEW

D7

F7

F5

3"0 6"1-1/2"3"0 6"1-1/2"

3"0 6"1-1/2" 3"0 6"1-1/2"

3"0 6"1-1/2"SCALE: 6" = 1' - 0"

SCALE: 6" = 1'-0" SCALE: 6" = 1'-0"

SCALE: 6" = 1'-0"SCALE: 6" = 1'-0"

RAIL CLIP ELEVATION VIEW RAIL SPACER ELEVATION VIEW

RAIL SPACER PLAN VIEW

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4. ANCHOR BOLTS AND NUTS SHALL BE INSTALLED ACCORDING TO THE MANUFACTURER'S RECOMMENDATIONS.

3. ANCHOR BOLTS, NUTS AND ALL RELATED HARDWARE SHALL BE GALVANIZED MEETING THE REQUIREMENTS OF ASTM A153.

BOLTS SHALL BE 50 KIPS.

2. MINIMUM YIELD STRESS OF THE ANCHOR BOLTS SHALL BE 50 KSI. MINIMUM PULL-OUT FORCE FOR THE ANCHOR

1. EMBEDMENT LENGTH FOR ANCHOR BOLTS SHALL BE 6 INCHES (MIN) AND 12 INCHES (MAX).

TYPICAL SECTION IN GATE GUIDE OF RAIL ASSEMBLY

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1'- 0"

EXISTING C-CHANNEL TO REMAIN

TO REMAIN

EXISTING C-CHANNEL

TO REMAIN

EXISTING T-SECTION

TOP OF EXISTING T-SECTION

1'- 0" TYPICAL TYPICAL BOTH SIDES

NEW GFE STEEL PLATE

POSSIBLE CONCRETE REPAIR.

AREA TO BE INSPECTED.

INSTALLATION AND MATERIAL NOTES

GENERAL CONCRETE REPAIR PROCEDURES

EMERGENCY GATE

PRIMARY GATE

TRASH RACK GROOVES

EMERGENCY GATE SLOT

EL. 650.83

HANDRAIL

HANDRAIL

E1 E7

A1

3"0 6"1-1/2" 3"0 6"1-1/2"

0 4' 8'2'

GATE WELL - OPTIONAL WORK (CONCRETE REPAIR)

SCALE: 1/4" = 1' - 0"

SCALE: 6" = 1'- 0" SCALE: 6" = 1'- 0"

GATE GUIDE (T-SECTION ASSEMBLY)

UPON QUANTITY NEEDED AND COR JUDGEMENT.

TEN TIMES (100 SF TOTAL SINCE ONE UNIT IS 10 SF) DEPENDING

DEWATERING IS COMPLETED. OPTION MAY BE EXERCISED UP TO

4. QUANTITY OF OPTIONAL WORK SHALL BE DETERMINED ONCE

3. REFER TO SHEET S-304 FOR TYPICAL REPAIR PROCEDURE NOTES AND DETAILS.

BE REPAIRED.

THE COR SHALL ULTIMATELY DETERMINE ALL UNSOUND AREAS TO

BEYOND ALL EDGES OF VISUALLY INSPECTED DETERIORATED AREAS.

CONCRETE SURFACES SHALL BE SOUNDED A MINIMUM OF ONE FOOT

HAMMER OR STEEL ROD WHILE LISTENING FOR DULL OR HOLLOW SOUNDS.

REPAIRED VIA VISUAL INSPECTION AND SOUNDING WITH A

2. CONTRACTOR SHALL DETERMINE THE LIMITS OF AREAS TO BE

THE HATCHED AREA IN THE GATE WELL DETAIL.

AND BELOW ELEVATION 637.0 FEET AS SHOWN ON THIS SHEET IN

THIS INSPECTION AREA IS LOCATED UPSTREAM OF THE PRIMARY GATE

CONCRETE SPALLS, CRACKS AND DELAMINATION.

LOWER PORTION OF THE GATE WELL SHALL BE INSPECTED FOR

1. UPON COMPLETION OF THE DEWATERING OPERATION THE

EL. 625.00

FLOW

REPAIR

POSSIBLE CONCRETE

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NOT CONTACT THE BOLTS.

AS NECESSARY TO ENSURE THE GATE WHEEL DOES

3. THE DIMENSION SHALL BE ADJUSTED IN THE FIELD

T-SECTION.

MAY NEED TO BE REQUIRED TO MATCH EXISTING

2. GRINDING OF THE INSIDE CORNER OF THE STEEL

REPRESENTATIVE (COR.).

IN THE FIELD BY THE CONTRACTING OFFICER'S

THE EXACT REPAIR LIMITS SHALL BE DETERMINED

1. THE REPAIR LENGTH IS ESTIMATED AT 24 FEET.

TYPICAL SECTION IN GATE GUIDE OF T-SECTION

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OPTIONAL WORK - TYPICAL REPAIR PROCEDURES AND DETAILS

WWF - WELDED WIRE FABRIC

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NEW POLYMER-

CONCRETE

EXISTING

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STEEL PINS

W1.4, 2X2 WWF

GENERAL CONCRETE REPAIR PROCEDURES

B2

CONCRETE REPAIR, OPTIONAL WORK - TYPICAL REPAIR PATCH BETWEEN 2" AND 6" DEPTH

NOT TO SCALE

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CURING COMPOUND (IF USED).

EPOXY, WWF, STEEL PINS, CORROSION INHIBITOR BONDING AGENT, POLYMER-MODIFED CONCRETE, AND

16. SUBMIT MATERIAL DOCUMENTATION TO THE COR FOR THE GRADE OF REINFORCEMENT USED (40 KSI MIN.),

15. STEEL PINS SHALL HAVE A MINIMUM DIAMETER OF 1/8 INCH AND A MINIMUM PULLOUT FORCE OF 2,500 POUNDS.

TEMPERATURES ARE EXPECTED TO REMAIN ABOVE 35° F FOR A MINIMUM OF 24 HOURS.

MANUFACTURER’S INSTRUCTIONS. BONDING AGENT AND REPAIR MATERIAL SHALL BE PLACED ONLY WHEN MANUFACTURED BY FIVE STAR PRODUCTS, INC., FAIRFIELD, CT, OR APPROVED EQUAL, IN ACCORDANCE WITH

INSTRUCTIONS. REPAIRS SHALL BE MADE WITH FIVE STAR POLYMER MODIFIED STRUCTURAL CONCRETE, AS

CONCRETE AND STEEL REINFORCEMENT SURFACES IN ACCORDANCE WITH THE MANUFACTURER’S

MANUFACTURED BY SIKA CORP., LYNDHURST, NJ, OR APPROVED EQUAL, SHALL BE APPLIED TO THE EXISTING

STANDING WATER PRIOR TO PLACEMENT. A CORROSION INHIBITING BONDING AGENT, SIKA ARMATEC 110 AS

14. ALL SAW CUT SURFACES SHALL BE ROUGHENED TO ¼” AMPLITUDE. SURFACES SHALL BE CLEAN AND FREE OF

SHALL BE DOUBLE THE MANUFACTURE'S RECOMMENDED RATE TO AVOID PLASTIC SHRINKAGE CRACKS.

(NON-SOLVENT) CURING COMPOUND MEETING ASTM C309. THE APPLICATION RATE FOR CURING COMPOUND

13. CURING OF THE REPAIR CONCRETE SHALL BE WITH A FINE MIST OF WATER, WET BURLAP, OR WATER BASED

12. PLACE POLYMER-MODIFIED CONCRETE.

11. PLACE CORROSION INHIBITOR BONDING AGENT TO EXPOSED PINS, WWF, AND CONCRETE SUBSTRATE.

10. ENSURE REPAIR AREA IS SATURATED SURFACE DRY.

9. INSTALL FORMS.

8. WATER OR SAND BLAST SURFACE TO REMOVE ALL LOOSE CONCRETE AND LEACHATES.

AREA LOSS (#3 MINIMUM).

ALONG THE EXPOSED REBAR. PROVIDE A NEW BAR HAVING SECTION GREATER THAN THE MAXIMUM SECTION

7. REPLACE REINFORCING STEEL IF LESS THAN 75% OF THE ORIGINAL REBAR SECTION REMAINS AT ANY POINT

SQUARE FEET.

6. FASTEN W1.4/1.4, 2 INCH X 2 INCH WWF TO STEEL PINS. ONLY USE WWF WHEN THE REPAIR AREA EXCEEDS 1.0

THE SPECIFICATIONS.

5. REPAIR CRACKS HAVING A WIDTH GREATER THAN 1/16" USING AN INJECTION EPOXY. REPAIR AS DESCRIBED IN

4. PLACE 3/16" DIA STEEL PINS AT MAXIMUM OF 12" ON CENTER WITH 2" MINIMUM EMBEDMENT.

UNDERCUT BY A MINIMUM OF 1 INCH.

3. ALL REINFORCING STEEL THAT IS EXPOSED GREATER THAN 50% OF ITS CIRCUMFERENCE SHALL BE

2. SAWCUT PERIMETER OF REPAIR A MINIMUM OF 1 INCH DEEP.

1. REMOVE ALL DETERIORATED CONCRETE TO MINIMUM DEPTH OF 2 INCHES.