Revised_Drawings.pdf
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SHEET ID
®of Engineers
US Army Corps
P H
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NOT TO SCALE
RAIL HARDWARE DETAILS
T-SECTION DETAILS
DESIGN FILESHEET NO.
G-001
SHEET TITLE
NOT TO SCALE
CON-TU-467_G-001.DWG
SPILLW
AY W
EIR
C H
A N
N E L
IN
T A K E
TULLY
LAKE
NEW HAMPSHIRE
MASSACHUSETTS
ROYALSTON
ATHOL
C H
U T E
S P
IL
L W
A Y
CHANNEL
SPILLWAY APPROACH
DOANE H
ILL
ROAD
MA ROUTE 32
DAM
VICINITY MAP LOCATION PLAN
LOCATION
PROJECT
LOCATION
PROJECT
S-301
S-302
S-303
INDEX TO DRAWINGS
CON-TU-467_S-301.DWG
CON-TU-467_S-302.DWG
CON-TU-467_S-303.DWG
ROYALSTON, MA
TULLY LAKE DAM
EMERGENCY GATE SLOT REPAIRS
W912WJ19Q0036
INTAKE TOWER
FIELD OFFICE
UTILITY BUILDING
SPILLWAY BRIDGE
D
H A
S S
E T
T
A N
S I
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G-001
:1
SHEET NO. DRAWING NUMBER
INDEX TO INFORMATION DRAWINGS
SHEET TITLE FROM ORIGINAL CONSTRUCTION DRAWINGS
14 CT-1-1488 INTAKE STRUCTURE SECTIONS AND DETAILS NO. 2
5 S-304 CON-TU-467_S-304.DWG REPAIR PROCEDURE AND DETAIL
COVER SHEET AND INDEX TO DRAWINGS
RAIL SUPPORT LOCATIONS AND NOTES
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PHASE II - SOUTH GATE WELL
of Engineers
US Army Corps
SOLICITATION NO.:
CONTRACT NO.:
ISSUE DATE: MARCH 2019
New England District
M S
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RAILS
GOVERNMENT FURNISHED HARDWARE SUPPLIED
ITEM QUANTITY
4 PIECES THAT ADD UP TO 24' TOTAL LENGTH
RAIL CLIP 36
RAIL SPACER 34
STEEL PLATE 4 PIECES THAT ADD UP TO 48' TOTAL LENGTH
BOLTS & NUTS 0
ANCHOR BOLTS & NUTS
WASHERS 41
OPTIONAL BID ITEM
REPAIR OF DAMAGED CONCRETE QUANTITY - 0 TO 40 SQUARE FEET (AS NEEDED).
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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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SHEET ID
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US Army Corps
P H
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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 "
/4
/4 " 3 /2
1 1/4" X 1 1/8" SLOTTED HOLE
1 1/8" SLOTTED HOLE
/4
/4
2 3/8 "
/2
/4
/2
2 1/4 "
1 7/1 6 "
/1
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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S-302
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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.
FOUR TIMES (40 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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SHEET ID
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US Army Corps
P H
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OPTIONAL WORK - TYPICAL REPAIR PROCEDURES AND DETAILS
WWF - WELDED WIRE FABRIC
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S-304
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MODIFIED CONCRETE
NEW POLYMER-
CONCRETE
EXISTING
R E
P A
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P
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C E
D U
R E A
N D D
E T
A
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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
M A
R C
H
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.
| CON-TU-456_G-001 |
| CON-TU-456_S-301 |
| CON-TU-456_S-302 |
| CON-TU-456_S-303 |
| CON-TU-456_S-304 |
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