Plans_Colebrook_Final.pdf

PDF 28 MB Posted Apr 29, 2019

Attached to: Colebrook Lake Dam Hydraulic Cylinders and Position Indicator Rods Repairs
Solicitation number: W912WJ19B0008
Issued by: Department of the Army Corps of Engineers Engineering District New England

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File	Type	Posted
Attachment_Crane_Report_0001.pdf	PDF	May 21, 2019
Amendment_0001.pdf	PDF	May 21, 2019
Specifications.pdf	PDF	Apr 29, 2019
W912WJ_19_B_0008.pdf	PDF	Apr 29, 2019

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COLEBROOK, CONNECTICUT

COLEBROOK RIVER LAKE

A N

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G-001

C O

V E

R S

H E

E T

NOT TO SCALE

LOCATION PLAN

NOT TO SCALE

VICINITY MAP

MASSACHUSETTS

CONNECTICUT

MASSACHUSETTS

N E

W Y

O R

CONNECTICUT

SPRINGFIELD

COLEBROOK

WINSTED

THOMASTON

WATERBURY

HARTFORD

C O

N N E C T

U T R

SANDISFIELD

TO NEW BOSTON

TOLLAND

BERKSHIRE COUNTY

LITCHFIELD COUNTY

COLEBROOK

HAMPDEN COUNTY

HARTLAND COUNTY

HARTLAND

GOODWIN DAM

TO WINSTED

PROJECT

LOCATION

PROJECT

LOCATION

C H

L D C

O U

N T

Y H

A R

T L

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RIVER LAKE

COLEBROOK

CHANNEL

APPROACH

WEIR

SPILLWAY

C H

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N E L

C H

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G E

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T C

H A

N N

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DOWNSTREAM

EMBANKMENT

DAM

CHANNEL

APPROACH

NOT TO SCALE

SITE PLAN

PROJECT

LOCATION

A P

APRIL 2019

of Engineers

US Army Corps

SOLICITATION NO.:

CONTRACT NO.:

ISSUE DATE:

New England District

OUTLET STRUCTURE

INLET STRUCTURE

INTAKE TOWER

W912WJ19B0008

C H

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REPAIR HYDRAULIC CYLINDERS AND POSITION INDICATORS

UPSTREAM

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DESIGN FILESHEET NO.

G-001

SHEET TITLE

CON-CL-464_G-001.DGN

M-101

M-501

M-502

CON-CL-464_M-101.DGN

CON-CL-464_M-501.DGN

CON-CL-464_M-502.DGN

CON-CL-464_M-503.DGNM-503

OVERALL ELEVATION AND PLAN

CON-CL-464_G-002.DGNG-002

COVER SHEET

M-301 CON-CL-464_M-301.DGN

8 CON-CL-464_M-504.DGNM-504

SECTION AT E-GATES

POSITION INDICATOR DETAILS 1

POSITION INDICATOR DETAILS 2

ADDITIONAL PHOTOS

HYDRAULIC CYLINDER REPAIRS

SHEET 41

CONNECTICUT RIVER FLOOD CONTROL COLEBROOK RIVER DAM

OUTLET WORKS - INTAKE TOWER, EMERGENCY STOP GATE STRUCTURAL DETAILS NO. 2

CONNECTICUT RIVER FLOOD CONTROL COLEBROOK RIVER DAM

SHEET 47

CONNECTICUT RIVER FLOOD CONTROL COLEBROOK RIVER DAM

SHEET 48

OUTLET WORKS - INTAKE TOWER, ELECTRICAL - POWER AND LIGHTING - FLOOR AND ROOF PLANS

OUTLET WORKS - INTAKE TOWER, ELECTRICAL - ONE LINE DIAGRAM AND SECTION

SHEET 1

COLEBROOK RIVER LAKE

REPAIR HYDRAULIC LINES - PLAN AND INDEX

SHEET 2

COLEBROOK RIVER LAKE

REPAIR HYDRAULIC LINES - NOTES AND PIPING SCHEMATIC

DRAWING TITLE

SHEET 1

SHEET 8

OUTLET WORKS AND SPILLWAY PLAN

LOCATION MAP AND INDEX

CONNECTICUT RIVER FLOOD CONTROL COLEBROOK RIVER DAM

SHEET 11

CONNECTICUT RIVER FLOOD CONTROL COLEBROOK RIVER DAM

SHEET 14

CONNECTICUT RIVER FLOOD CONTROL COLEBROOK RIVER DAM

SHEET 15 CONNECTICUT RIVER FLOOD CONTROL COLEBROOK RIVER DAM

SHEET 16 CONNECTICUT RIVER FLOOD CONTROL COLEBROOK RIVER DAM

SHEET 17

CONNECTICUT RIVER FLOOD CONTROL COLEBROOK RIVER DAM

SHEET 40

CONNECTICUT RIVER FLOOD CONTROL COLEBROOK RIVER DAM

OUTLET WORKS PROFILE AND SECTIONS

OUTLET WORKS - INTAKE TOWER, SECTIONAL PLANS AT ELEVATION 575.0 & GATE CHAMBER

OUTLET WORKS - INTAKE TOWER, PLAN - ELEVATION 631.0 SECTIONS AND DETAILS

OUTLET WORKS - INTAKE TOWER, SECTIONS TO EL. 657.0

OUTLET WORKS - INTAKE TOWER, FLOOR PLANS ABOVE ELEVATION 657.0

OUTLET WORKS - INTAKE TOWER, EMERGENCY STOP GATE STRUCTURAL DETAILS NO. 1

SHEET 42

CONNECTICUT RIVER FLOOD CONTROL COLEBROOK RIVER DAM

SHEET 43

CONNECTICUT RIVER FLOOD CONTROL COLEBROOK RIVER DAM

SHEET 44

CONNECTICUT RIVER FLOOD CONTROL COLEBROOK RIVER DAM

SHEET 45

OUTLET WORKS - INTAKE TOWER, MECHANICAL-ARRANGEMENT OF EQUIPMENT - SECTIONS AND DETAILS

OUTLET WORKS - INTAKE TOWER, MECHANICAL-ARRANGEMENT OF EQUIPMENT - PLANS AND DETAILS

OUTLET WORKS - INTAKE TOWER, MECHANICAL - GATE ASSEMBLY - SECTIONS AND DETAILS

OUTLET WORKS - INTAKE TOWER, MECHANICAL - HYDRAULIC CONTROL SYSTEM - PIPING AND DETAILS

CONNECTICUT RIVER FLOOD CONTROL COLEBROOK RIVER DAM

SHEET 49

OUTLET WORKS - TRANSITION AND TUNNEL CONCRETE SECTIONS

SHEET NO.

JAN. 1965

MAR. 1991

DATE

JAN. 1965

CON-316

CON-16

NUMBER

DRAWING

CON-16

6 - 4' X 8' GATES - COLEBROOK DAM

GATE ASSEMBLY

6 - 4' X 8' GATES - COLEBROOK DAM

GATE ASSEMBLY - CONT.

DETAILS OF CYLINDER

DETS. BONNET COVER & CYLINDER HD.

6 - 4' X 8' GATES - COLEBROOK RIVER DAM

DETAILS OF BONNET

6 - 4' X 8' GATES - COLEBROOK RIVER DAM

DETAILS OF UPSTREAM FRAME

6 - 4' X 8' GATES - COLEBROOK RIVER DAM

DETAILS OF DOWNSTREAM FRAME

6 - 4' X 8' GATES - COLEBROOK RIVER DAM

SLIDE GATE INDICATOR DETAILS

DOWNSTREAM FRAME

6 - 4' X 8' GATES - COLEBROOK DAM

DETAILS OF GATE LEAF

COLEBROOK RIVER DAM

DETAILS OF FRAME, BONNET, & LEAF SEATS

6 - 4' X 8' GATES - COLEBROOK DAM

HYDRAULIC PIPING CONTROL SYSTEM

6 - 4' X 8' GATES - COLEBROOK DAM

HYDRAULIC PIPING CONTROL SYSTEM (CONT)

6 - 4' X 8' GATES - COLEBROOK DAM

HYDRAULIC PIPING CONTROL SYSTEM (CONT)

6 - 4'-0" X 8'-0" GATES - COLEBROOK RIVER DAM

DETAILS SEMI-AUTOMATIC GATE HANGER

COLEBROOK RIVER DAM

HYD. UNIT

DRAWING TITLE

APR. 1965

JUN. 1965

DATE

APR. 1965

JUN. 1965

22514

22512

22511

22510

22509

22507

22506

22505

INDEX TO INFORMATION DRAWINGS: SHOP DRAWINGS

DRAWING NUMBER

22505-A

22508 R/1

COLEBROOK RIVER DAM

HYDRAULIC CYLINDER DETS.

COLEBROOK RIVER DAM

HYDRAULIC CYLINDER DETS.

22508-A

22511 A

22513 R/1 MAY 1965

MAY 1965

22517 R/1

22518 R/2

22518-A R/4

22518-B R/2

MAY 196565-182

INDEX TO INFORMATION DRAWINGS: DESIGN DRAWINGS

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G-002

INDEX TO DESIGN DRAWINGS

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LIMIT SWITCH MOUNTING AT GATE CYLINDERS

COLEBROOK HYDROELECTRIC PROJECT

CONDUIT LAYOUT GATE CHAMBER

COLEBROOK HYDROELECTRIC PROJECT

CONDUIT LAYOUT GATE CHAMBER

COLEBROOK HYDROELECTRIC PROJECT

COLEBROOK - HYDRO ELECTRIC

HYDRAULIC SCHEMATIC - GATE CONTROL

PIPING ARRANGEMENT - HYDRAULIC GATE CONTROL

COLEBROOK HYDROELECTRIC

LIGHTNING/GROUND PROTECTION AT CRANE AND SERVICE PLATFORM

DRAWING TITLE

NOV. 1989

DATE

MAR. 1987

FEB. 1989

MAR. 1987

FEB. 1989E-1022

M-1016

DRAWING NUMBER

E-1009 1/2

E-1009 2/2

05-1002-86-RF

M-1031 2/2

A26-A01 MAY 1989

TURBINE BANK GENERAL ASSY. (SH.1)

COLEBROOK HYDROELECTRIC

TURBINE BANK GENERAL ASSY. (SH.2)

COLEBROOK HYDROELECTRIC

A26-A02

INDEX TO INFORMATION DRAWINGS: HYDROELECTRIC PROJECT

S-2 MAY 1987

COLEBROOK RIVER DAM HYDROELECTRIC PROJECT

CONCRETE SLAB MODIFICATION SECTION

DRAWING INDEX

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NOT ALL COMPONENTS SHOWN FOR CLARITY

SCALE: 1/16" = 1' 0 8' 32'16'

EL 575.0 (CONDUIT INVERT)

SERVICE BRIDGE (NOT SHOWN)

OVERALL ELEVATION/SECTION VIEW

INSIDE CONDUIT

WORK AREA

GATE CHAMBER

WORK AREA IN

ROOM

OPERATING

FLOW

0 4' 8'2'SCALE: 1/4" = 1'

CYLINDER

S-1 HYDRAULIC

CYLINDER

S-2 HYDRAULIC

CYLINDER

S-3 HYDRAULIC

VENT

CYLINDER

E-3 HYDRAULIC

CYLINDER

E-2 HYDRAULIC

CYLINDER

E-1 HYDRAULIC

STAIRS

OUTLINE OF UPPER TOWER (ABOVE)

MDC ACCUMULATORS (TYP 5)

POWER UNIT

MDC HYDRAULIC

TO E-1 AND E-2

MDC ACCUMULATOR LINES

PLAN VIEW GATE CHAMBER EL 591.5

SUMP PUMPS

CONDUIT 1 BELOW

CONDUIT 2 BELOW

CONDUIT 3 BELOW

EL. 575.0 (CONDUIT INVERT)

DISCONNECTED

TO E-2, CURRENTLY

USACE HYDRAULIC LINES

CONDUIT 3

CONDUIT 2

CONDUIT 1

SUMP PUMPS

CHECK VALVE ON SUMP DISCHARGE LINE

E4 NOT TO SCALE

ILLUSTRATION VIEW OF LOWER TOWER USACE COMPONENTS

FLOW

NOT ALL COMPONENTS SHOWN FOR CLARITY

VIEW NOTES:

GENERAL NOTES:

3. GATES ARE ALL SHOWN IN THE FULLY CLOSED POSITION.

2. MDC EQUIPMENT IS NOT SHOWN.

DETAILS AND FIELD VERIFY ACTUAL CONDITIONS AND DIMENSIONS.

OF MAJOR COMPONENTS. REFER TO FOR INFORMATION ONLY AS-BUILT DRAWINGS FOR COMPONENT

1. NOT ALL ITEMS SHOWN FOR CLARITY. PURPOSE OF THIS DETAIL IS TO SHOW APPROXIMATE LAYOUT

5. REFER TO FOR INFORMATION ONLY DRAWINGS FOR ADDITIONAL EQUIPMENT INFORMATION.

4. FIELD VERIFY ACTUAL CONDITIONS AND DIMENSIONS.

3. GATES ARE SHOWN IN THE FULLY CLOSED POSITION.

2. HYDRAULIC PIPING AND COMPONENTS ARE NOT SHOWN FOR CLARITY.

WORK SEQUENCES.

CONDITIONS AND SHALL COORDINATE WITH USACE AND MDC TO DETERMINE SAFE AND APPROPRIATE

1. NOT ALL ITEMS SHOWN FOR CLARITY. CONTRACTOR SHALL BECOME FAMILIARIZED WITH ACTUAL SITE

SHEET NOTES:

TO E-1 AND E-2

MDC HYDRAULIC LINES

DISCONNECTED

TO E-1, CURRENTLY

USACE HYDRAULIC LINES

DISCONNECTED

TO E-2, CURRENTLY

USACE HYDRAULIC LINES

EMERGENCY GATES

OF USACE HYDRAULIC LINES TO THE

GATE CHAMBER ROOF PENETRATIONS

SUMP DISCHARGE LINE

CHECK VALVE ON

MDC NITROGEN BOTTLE

SERVICE GATES

OF USACE HYDRAULIC LINES TO THE

GATE CHAMBER ROOF PENETRATIONS

CONTINUE UP TOWER TO OPERATING ROOM

USACE HYDRAULIC LINES TO/FROM E-GATES

DISCONNECTED

TO E-1, CURRENTLY

USACE HYDRAULIC LINES

CENTER, GATE E-3 BEHIND)

EMERGENCY GATE E-1 (GATE E-2 IN

GATE S-3 BEHIND)

SERVICE GATE S-1 (GATE S-2 IN CENTER,

CONTINUE UP TOWER TO OPERATING ROOM

USACE HYDRAULIC LINES TO/FROM S-GATES

(TYP 6)

HYDRAULI\CYLINDER

GATE OPERATING

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M-101

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O V

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A L L E

L E

V A

N A

N D P

IN THE OPERATING ROOM

HYDRAULIC POWER UNITS

FROM CYLINDERS TO

USACE HYDRAULIC PIPING

SHAFT

ACCESS

EQUIPMENT

EL. 591.5

EL. 627.0

EL. 777.0

EL. 790.5

EL. 804.5

EL. 818.0

EL. 591.5

SPACE. REFER TO EM-385-1-1 FOR CONFINED SPACE ENTRY REQUIREMENTS.

3. THE INTAKE TOWER GATE CHAMBER IS A PERMIT REQUIRED CONFINED

ON OR AROUND THIS SYSTEM.

APPROPRIATE TECHNICAL POINT OF CONTACT AT MDC PRIOR TO WORKING

PERFORMING WORK ON E-1 AND E-2. CONSULT AND COORDINATE WITH THE

MUST BE DEPRESSURIZED AND THE ACCUMULATORS ISOLATED BEFORE

NITROGEN PRESSURIZED PISTON ACCUMULATORS, AND THE SYSTEM

BY THE CORPS OF ENGINEERS. THE MDC HYDRAULIC SYSTEM CONTAINS

SEPARATE HYDRAULIC POWER SYSTEM FROM THE ONE THAT IS OPERATED

OPERATES EMERGENCY GATES 1 AND 2 (E-1 AND E-2). MDC UTILIZES A

SERVICE GATES 1, 2, AND 3, AND EMERGENCY GATE 3, WHILE MDC

2. NOTE THAT THE CORPS OF ENGINEERS CURRENTLY OPERATES

COMMISSION (MDC).

ENGINEERS AND WITH THE HARTFORD METROPOLITAN DISTRICT

THIS WILL REQUIRE ADDITIONAL COORDINATION WITH THE CORPS OF

OF THE CONDUITS WILL BE NECESSARY FOR SOME OF THE WORK, AND

PROPER WORK SEQUENCING AND REQUIREMENTS. FULL DEWATERING

1. OPERATIONAL RESTRICTIONS SHALL REQUIRE COORDINATION FOR

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M-301

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2 3 4 5 6 7 8 9 10

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OPEN

CLOSED

OPEN

CLOSED

OPEN

CLOSED

NOT ALL COMPONENTS SHOWN FOR CLARITY

4'0 2' 8'

SCALE: 3/8" = 1'

EL. 575.0 CONDUIT INVERT

EL. 591.5 GATE CHAMBER FLOOR

GATE LEAF (TYP)

INTERIOR OF BONNET

SPECIFICATIONS FOR ADDITIONAL DETAILS.

WORK ITEMS ARE LISTED HERE IN GENERAL TERMS ONLY. REFER TO

NUMBER OF THE COMPONENT SHOWN OR LISTED ON THAT SHEET.

CORRESPOND TO THE AS-BUILT SHEET FOLLOWED BY THE PART

COMPONENTS. THE COMPONENT MARKS LISTED BELOW

REFER TO FOR INFORMATION ONLY DRAWINGS FOR DETAILS OF

SECTION AT EMERGENCY GATES E-1, E-2, AND E-3

622506-1HYDRAULIC CYLINDER

622507-1BONNET COVER

322507-2CYLINDER HEAD

322507-3CYLINDER HEAD, OPPOSITE

622508-1GATE LEAF STEM

622508-3STEM EXTENSION

1222508-5CYLINDER GASKET

3022508-6PISTON RING

622508-92" DIAMETER OIL PACKING

622508-135.5" DIAMETER WATER PACKING

622508-145.5" DIAMETER OIL PACKING

1222508-17O-RING 5.5" ID

622508-18O-RING 4.75" ID

322510-1UPSTREAM FRAME, E-GATE

322510-2UPSTREAM FRAME, S-GATE

322511-1DOWNSTREAM FRAME, S-GATE

322511-2DOWNSTREAM FRAME, E-GATE

622512-1GATE LEAF

622514-22WATER PACKING

622514-6PACKING GLAND

ACTIVITY THIS PROJECTQUANTITYMARKCOMPONENT

REFURBISH

REMOVE, REPLACE WITH PLUG

REMOVE6 (5 INTACT)22514-2INDICATOR ROD

REMOVE

N/A

REPLACE WITH NEW

WORK ITEMS

REFURBISH622508-4LEAF NUT

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M-301

S E

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T E -G

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A P

EL. 620.5

5. REFER TO FOR INFORMATION ONLY DRAWINGS FOR ADDITIONAL EQUIPMENT INFORMATION.

4. FIELD VERIFY ACTUAL CONDITIONS AND DIMENSIONS.

3. GATES ARE SHOWN IN THE FULLY CLOSED POSITION.

2. HYDRAULIC PIPING AND COMPONENTS ARE NOT SHOWN FOR CLARITY.

WORK SEQUENCES.

CONDITIONS AND SHALL COORDINATE WITH USACE AND MDC TO DETERMINE SAFE AND APPROPRIATE

1. NOT ALL ITEMS SHOWN FOR CLARITY. CONTRACTOR SHALL BECOME FAMILIARIZED WITH ACTUAL SITE

SHEET NOTES:

METHODS THAT ARE DETERIORATED OR OTHERWISE MALFUNCTIONING.

-PROCEDURES TO DEAL WITH FASTENERS OR OTHER ASSEMBLY

IN THE SAME ALIGNMENTS AS THEY ARE PRESENTLY ASSEMBLED.

-PROCEDURES TO ENSURE COMPONENTS ARE RE-INSTALLED

MAINTAIN AND/OR ENSURE LEAK-FREE SEAL.

(OR ADDITION OF GASKET, IF NO GASKET IS PRESENT) TO

-BONNET COVER OVER BONNET GASKET REPLACEMENT

STRUCTURES IS MAINTAINED.

ENSURE ACCURATE ALIGNMENT OF MACHINERY AND

-METHOD OF REMOVAL AND REINSTALLATION TO

LIMITED TO:

DESIGN CONSIDERATIONS INCLUDE, BUT ARE NOT

RE-INSTALLATION ONCE THE WORK IS COMPLETE.

AND SHALL PROPOSE METHODS AND MATERIALS FOR

CONDITIONS OF EACH HYDRAULIC CYLINDER ASSEMBLY

CONTRACTOR SHALL FIELD VERIFY ACTUAL

COMPONENTS FOR EXECUTION OF THIS WORK,

DURING DISASSEMBLY OF HYDRAULIC CYLINDER

E-3 E-2 E-1

FASTENERS)

IN PLACE AT THE PACKING GLAND WITH MODIFIED

IN 2003, AND REMAINING SECTION IS HELD STATIONARY

AFTER FAILURE OF THE ROD TO GATE CONNECTION

ROD AT E-1 (MOST OF ROD LENGTH WAS REMOVED

REMAINING PORTION OF POSITION INDICATOR

AND IT WAS CONNECTED TO THE STEM EXTENSION ROD.

LEAF FAILED, THE INDICATOR ROD ASSEMBLY WAS MODIFIED

2003, AFTER THE CONNECTION BETWEEN THE ROD AND GATE

AFTER THE FAILURE OF THE ROD TO GATE CONNECTION IN

EXISTING MODIFIED INDICATOR ROD SYSTEM, ONLY AT E-1.

PART # 22508-18 (1 PER LEAF NUT - 6 TOTAL)

PART # 22508-17 (1 PER LEAF NUT, AND 1 PER PISTON - 12 TOTAL) AND

REPLACE O-RINGS:

LEAF NUT, PART # 22508-4.

PART # 22508-1

GATE LEAF STEM (TYP)

BONNET COVER (TYP)

ASSEMBLY (TYP)

GATE HANGER

PART # 22508-3

STEM EXTENSION ROD

TO CYLINDER)

FROM CYLINDER

MINOR MODIFICATIONS

LOCATIONS, WITH

(TYPICAL OF 6

INDICATING GAUGE

GATE POSITION

CONNECTION AT GATE)

S-3 (WITH FAILED

S-2

S-1

E-3

E-2

LOCATIONS:

TYPICAL OF FIVE

ROD, PART # 22514-2.

POSITION INDICATOR

ROD TO GATE LEAF (TYP)

OF POSITION INDICATOR

THREADED CONNECTION

PART # 22517-11

SAFTEY STUD WITH NUT

PART # 22517-10

SAFTEY STUD CAP

GENERAL NOTES:

LINE.

REPLACE THE 3" CHECK VALVE ON THE TOWER SUMP PUMPS DISCHARGE 3.

AND/OR SHIMS.

NOTE: EXCESSIVE HONING WILL REQUIRE PACKING MODIFICATIONS BUSHING

THOROUGH ANALYSIS OF THE CONDITION OF THE FLUID.

GASKETS, AND STEM O-RINGS. TEST HYDRAULIC FLUID TO PERFORM A

STEM EXTENSION OIL PACKING. REPLACE PISTON RINGS, CYLINDER

DIAMETER GATE STEM WATER PACKING. REPLACE 2" DIAMETER UPPER GATE

RODS. REPLACE 5-1/2" DIAMETER GATE STEM OIL PACKING AND 5-1/2"

CHAMBER. HONE AND POLISH GATE LEAF STEM RODS AND STEM EXTENSION

REFURBISH ALL SIX HYDRAULIC CYLINDERS LOCATED IN THE GATE 2.

EXTENSION POSITION TRANSDUCERS AND LIMIT SWITCHES.

INDICATOR ROD AT THAT GATE FAILED IN 2003. RECALIBRATE CABLE

EXISTING POSITION INDICATION SYSTEM AT E-1 WAS MODIFIED AFTER THE

TO THE STEM EXTENSION ROD, IN A SIMILAR MANNER TO THE WAY THAT THE

E-3, S-1, S-2, AND S-3) THAT INDICATE GATE POSITION BY BEING CONNECTED

PROVIDE NEW POSITION INDICATION ASSEMBLIES AT FIVE LOCATIONS (E-2,

WITH A WELDED PLUG.

SEAL THE INDICATOR ROD PACKING GLAND HOLE IN THE BONNET COVER

REMOVE INDICATOR RODS AND THEIR PACKING GLANDS AND PERMANENTLY

CYLINDERS LOCATED IN THE GATE CHAMBER.

REPAIR AND MODIFY POSITION INDICATOR SYSTEMS AT ALL SIX HYDRAULIC 1.

SPACE. REFER TO EM-385-1-1 FOR CONFINED SPACE ENTRY REQUIREMENTS.

3. THE INTAKE TOWER GATE CHAMBER IS A PERMIT REQUIRED CONFINED

ON OR AROUND THIS SYSTEM.

APPROPRIATE TECHNICAL POINT OF CONTACT AT MDC PRIOR TO WORKING

PERFORMING WORK ON E-1 AND E-2. CONSULT AND COORDINATE WITH THE

MUST BE DEPRESSURIZED AND THE ACCUMULATORS ISOLATED BEFORE

NITROGEN PRESSURIZED PISTON ACCUMULATORS, AND THE SYSTEM

BY THE CORPS OF ENGINEERS. THE MDC HYDRAULIC SYSTEM CONTAINS

SEPARATE HYDRAULIC POWER SYSTEM FROM THE ONE THAT IS OPERATED

OPERATES EMERGENCY GATES 1 AND 2 (E-1 AND E-2). MDC UTILIZES A

SERVICE GATES 1, 2, AND 3, AND EMERGENCY GATE 3, WHILE MDC

2. NOTE THAT THE CORPS OF ENGINEERS CURRENTLY OPERATES

COMMISSION (MDC).

ENGINEERS AND WITH THE HARTFORD METROPOLITAN DISTRICT

THIS WILL REQUIRE ADDITIONAL COORDINATION WITH THE CORPS OF

OF THE CONDUITS WILL BE NECESSARY FOR SOME OF THE WORK, AND

PROPER WORK SEQUENCING AND REQUIREMENTS. FULL DEWATERING

1. OPERATIONAL RESTRICTIONS SHALL REQUIRE COORDINATION FOR

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A1 SCALE: 3" = 1'

FINISH OF 62 μIN.

PACKING TO SURFACE

CONTACT WITH ROD AND

POLISH SURFACES IN

# 22508-12. CLEAN, AND

PACKING SEAT, PART

HD. CAP SCREW

3/4" X 1.5" H.SOC.

NOT ALL COMPONENTS SHOWN FOR CLARITY. SEE PHOTOS ON M-502 FOR VISIBLE EXISTING CONDITIONS.

LOWER HYDRAULIC CYLINDER REPAIRS

UPPER HYDRAULIC CYLINDER REPAIRS

DETAIL D7 THIS SHEET.

STEM EXTENSION ROD, SEE

A8 SCALE: 3" = 1'

WELD PLUG AT POSITION INDICATOR ROD HOLE

NOT ALL COMPONENTS SHOWN FOR CLARITY. TYPICAL OF 6 LOCATIONS.

MATERIAL AND SPACE CONDITIONS/CONSTRAINTS.

WILL BE COMPATIBLE WITH THE BONNET COVER

AND FOR THE WELD METAL AND WELD TYPE THAT

MATERIAL SPECIFICATIONS FOR THE STEEL ROD

CONTRACTOR SHALL SUBMIT PROPOSALS FOR THE

PERFORMED ON CLEAN AND SMOOTH BARE METAL.

THE PACKING USED TO BE. WELDING SHALL BE

ALL THE WAY DOWN IN THE EXISTING HOLE WHERE

WELDING IN PLACE. ROD SEGMENT SHALL BE SET

PLUGGING WITH NEW STEEL ROD SEGMENT AND

COVERS SHALL BE MADE WATERTIGHT BY

POSITION INDICATOR ROD HOLES AT THE BONNET

AT ALL SIX HYDRAULIC CYLINDERS:

PISTON, PART # 22508-2

PART # 22508-27

2" HEAVY HEX NUT,

1/4

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2" DIA. STEEL ROD

PART # 22508-23

SEAT FASTENERS

INSTALL PER PACKING MANUFACTURER'S INSTRUCTIONS.

TO 250°F, AND A MAXIMUM PRESSURE OF AT LEAST 2000 PSI.

WITH WATER, WITH AN OPERATING TEMPERATURE RANGE OF -40°F

WITH SBR RUBBER BINDER CHEVRON V-RINGS, SUITABLE FOR USE

MATCH EXISTING DIMENSIONS. MATERIAL SHALL BE COTTON FABRIC

WATER PACKING (ORIGINAL SPEC PART # 22508-13. NEW PACKING SHALL

TO SURFACE FINISH OF 62 μIN.

CONTACT WITH ROD AND PACKING

CLEAN, AND POLISH SURFACES IN

PACKING GLAND, PART # 22508-10.

3/4" X 4.75" STUD WITH HEX NUT

GLAND FASTENERS PART # 22508-20

TO SURFACE FINISH OF 62 μIN.

CONTACT WITH ROD AND PACKING

CLEAN, AND POLISH SURFACES IN

PACKING GLAND, PART # 22508-10.

OF CYLINDER BODY

LOCATIONS: AT TOP AND BOTTOM

(12 TOTAL)

QUANTITY = 2 PER CYLINDER

PART # 22508-5.

REPLACE ALL CYLINDER GASKETS

TO SURFACE FINISH OF 62 μIN.

IN CONTACT WITH PACKINGS

CLEAN, AND POLISH SURFACES

BONNET COVER, PART # 22507-1.

HD. CAP SCREW

3/4" X 1.5" H.SOC.

PART # 22508-23

SEAT FASTENERS

PER LEAF NUT - NOT SHOWN (12 TOTAL)

QUANTITY = 1 PER PISTON, AND 1

REPLACE O-RING, PART # 22508-17

(30 TOTAL)

QUANTITY = 5 PER CYLINDER

PART # 22508-6.

REPLACE ALL PISTON RINGS

PART # 22506-1

HYDRAULIC CYLINDER

EXCEED 1.0.

DEPTH TO WIDTH RATIO NOT TO

IN DEPTH THAN 1/32", AND SCORING

AND WITH SCORING NOT GREATER

ACHIEVE SURFACE FINISH 16 μIN, CLEAN, HONE, AND POLISH TO

GATE LEAF STEM, PART # 22508-1.

WATER PACKING

REMOVE EXISTING

FINISH OF 62 μIN.

PACKING TO SURFACE

CONTACT WITH ROD AND

POLISH SURFACES IN

# 22508-11. CLEAN, AND

PACKING SEAT, PART

FOR WELDING THE NEW PLUG

SMOOTH TO BARE METAL TO PREPARE

GRIND SURFACE OF BONNET COVER

INDICATED

PREVENT COMPLETION OF REPAIRS AS

COR OF ANY DISCREPANCIES THAT WOULD

IN THE FIELD AND SHALL IMMEDIATELY NOTIFY

SHALL VERIFY DIMENSIONS AND CONDITIONS

ASSEMBLY ARE UNVERIFIED. CONTRACTOR

NOTE: COMPLETE DIMENSIONS FOR THIS

DUE TO PREVIOUS MODIFICATIONS.

A UNIQUE FASTENER ARRANGEMENT

FASTENER ASSEMBLY AT E-1 HAS

AT ALL 6 CYLINDERS. NOTE THAT

(PART # 22514-6) AND FASTENERS

REMOVE EXISTING PACKING GLAND

CONNECTING TO THE GATE.

OF PASSING THROUGH THE BONNET COVER AND

THE TOP OF THE HYDRAULIC CYLINDER INSTEAD

CONNECTED TO THE STEM EXTENSION ROD ABOVE

INDICATOR ROD SHALL BE RE-USED BUT SHALL BE

AT GATES E-2, E-3, S-1, S-2, AND S-3.

REMOVE AND KEEP INDICATOR ROD (PART # 22514-2)

PART # 22506-1

HYDRAULIC CYLINDER

OF CYLINDER BODY

LOCATIONS: AT TOP AND BOTTOM

(12 TOTAL)

QUANTITY = 2 PER CYLINDER

PART # 22508-5.

REPLACE ALL CYLINDER GASKETS

TO SURFACE FINISH OF 62 μIN.

SURFACES IN CONTACT WITH PACKING

AND 22507-3 (TYP 3). CLEAN, AND POLISH

CYLINDER HEAD, PART # 22507-2 (TYP 3)

INSTALL PER PACKING MANUFACTURER'S INSTRUCTIONS.

RANGE OF -40

WITH THE HYDRAULIC FLUID, WITH AN OPERATING TEMPERATURE

WITH NITRILE ELASTOMER CHEVRON V-RINGS, SUITABLE FOR USE

MATCH EXISTING DIMENSIONS. MATERIAL SHALL BE COTTON FABRIC

OIL PACKING (ORIGINAL SPEC PART # 22508-9). NEW PACKING SHALL

2000 PSI.

°F TO 250°F, AND A MAXIMUM PRESSURE OF AT LEAST

GLAND FASTENERS PART # 22508-19

DEPTH TO WIDTH RATIO NOT TO EXCEED 1.0.

GREATER IN DEPTH THAN 1/32", AND SCORING

FINISH 16 μIN, AND WITH SCORING NOT

CLEAN, HONE, AND POLISH TO ACHIEVE SURFACE

STEM EXTENSION ROD, PART # 22508-3.

ILLUSTRATIVE PURPOSES.

THIS VIEW IS SHOWN FOR

VIEW FROM WHAT IS SHOWN HERE-

ROTATED 90 DEGREES IN THE PLAN

THE ACTUAL PACKING GLAND IS

NOTE THAT THE ORIENTATION OF

TO SURFACE FINISH OF 62 μIN.

CONTACT WITH ROD AND PACKING

CLEAN, AND POLISH SURFACES IN

PACKING GLAND, PART # 22508-7.

FINISH OF 62 μIN.

PACKING TO SURFACE

CONTACT WITH ROD AND

POLISH SURFACES IN

# 22508-8. CLEAN, AND

PACKING SEAT, PART

PART # 22508-22

SEAT FASTENERS

CAP SCREW

1/2" X 1.5" H.SOC. HD.

MANUFACTURER'S INSTRUCTIONS.

2000 PSI. INSTALL PER PACKING

A MAXIMUM PRESSURE OF AT LEAST

RANGE OF -40°F TO 250°F, AND

WITH AN OPERATING TEMPERATURE

SUITABLE FOR USE WITH THE HYDRAULIC FLUID,

ELASTOMER CHEVRON V-RINGS,

MATERIAL SHALL BE COTTON FABRIC WITH NITRILE

NEW PACKING SHALL MATCH EXISTING DIMENSIONS.

OIL PACKING (ORIGINAL SPEC PART # 22508-14).

6"0 3" 1' 6"0 3" 1'

6"0 3" 1'

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A1 SCALE: 1" = 1'

A5 A6

STEM EXTENSION ROD AT E-3

POSITION TRANSDUCER (USACE CYLINDERS)

POSITION INDICATION (USACE CYLINDERS)

VISIBLE PORTION OF GATE LEAF STEM

NOT TO SCALE. S-1 SHOWN, BUT TYPICAL OF 6 LOCATIONS. DATE OF PHOTO: FEBRUARY 2017

DETAIL TYPICAL CYLINDER (OTHER THAN E-1)

M-502

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0 1' 2'6"

SYSTEMS AND LIMIT SWITCHES.

ELECTRONIC POSITION INDICATOR

AND RECALIBRATE MECHANICAL AND

REASSEMBLE UPON COMPLETION OF WORK,

TO ACCOMPLISH SCOPE OF WORK.

DISASSEMBLE COMPONENTS AS REQUIRED

POSITION TRANSDUCERS & LIMIT SWITCHES

-MAINTAINS ACCURATE OPERATION OF

WITH STEM EXTENSION ROD OPERATION)

EXISTING SYSTEMS (DOES NOT INTERFERE

-FITS WITHIN SPACE CONSTRAINTS OF

-MAINTENANCE FREE DESIGN

THE STEM EXTENSION ROD

TO AVOID PLACING EXCESSIVE LOAD ON

-LIGHT WEIGHT AND SMOOTH OPERATION

-DURABILITY AND RELIABILITY

ARE NOT LIMITED TO:

DESIGN CONSIDERATIONS INCLUDE BUT

ASSEMBIES FOR THESE FIVE LOCATIONS.

THE NEW POSITION INDICATOR ROD

MATERIALS AND METHODS TO CONSTRUCT

CONTRACTOR SHALL PROPOSE THE

HYDRAULIC CYLINDER.

STEM EXTENSION ROD ABOVE THE

COVER, BUT INSTEAD IS ATTACHED TO THE

NO LONGER PASSES THROUGH THE BONNET

DONE AT E-1, SO THAT THE INDICATOR ROD

IN A SIMILAR MANNER AS WAS PREVIOUSLY

MODIFY THE INDICATOR ROD ASSEMBLY

REQUIREMENTS SPECIFIC TO E-3, S-1, S-2, S-3:

BUT CONDITIONS VARY. DATE OF PHOTO: FEBRUARY 2017

NOT TO SCALE. TYPICAL OF USACE OPERATED CYLINDERS AT E-3, S-1, S-2, AND S-3,

BUT CONDITIONS VARY. DATE OF PHOTO: FEBRUARY 2017

NOT TO SCALE. TYPICAL OF USACE OPERATED CYLINDERS AT E-3, S-1, S-2, AND S-3,

BUT CONDITIONS VARY. DATE OF PHOTO: FEBRUARY 2017

NOT TO SCALE. TYPICAL OF USACE OPERATED CYLINDERS AT E-3, S-1, S-2, AND S-3,

NOTE THAT SOME COMPONENTS ARE UNIQUE AT E-2. NOT ALL COMPONENTS SHOWN FOR CLARITY.

MEASURING WIRE.

OF CABLE EXTENSION TRANSDUCER

ASSEMBLY TO MAINTAIN VERTICAL ALIGNMENT

EXTENSION BRACKET ADDED TO POINTER

ROD ASSEMBLY

POINTER ATTACHED TO POSITION INDICATOR

INDICATION GAUGE

VISUAL POSITION

TRANSDUCER

EXTENSION POSITION

WIRE FROM CABLE

HYDRAULIC CYLINDER (TYP)

PIPING VARIES BY CYLINDER)

THAT ARRANGEMENT OF

TO TOP OF CYLINDER (NOTE

HYDRAULIC PIPE CONNECTION

CYLINDER HEAD

STEM EXTENSION ROD

PACKING GLAND

THEY SHALL BE REMOVED)

OF REMAINING COMPONENTS,

AFFECTING FUNCTIONALITY

IS ACHIEVABLE WITHOUT

FUNCTIONAL TRANSDUCERS

BRACKETS AND NON-

IF REMOVAL OF UNUSED

ATTACHED (FIELD VERIFY-

STILL HAVE TRANSDUCERS

THAT SOME CYLINDERS

MOUNTING BRACKET - NOTE

ORIGINAL TRANSDUCER

AT USACE CYLINDERS)

TRANSDUCER (TYPICAL KIND

CABLE EXTENSION POSITION

(VARIES BY CYLINDER)

TRANSDUCER MOUNTING PLATE

LOCATION)

VARIES CONSIDERABLY BY

SURFACE CONDITION

BONNET COVER (NOTE THAT

LOCATION)

VARIES CONSIDERABLY BY

AMOUNT OF WATER LEAKAGE

CONDITION OF GLAND AND

PACKING GLAND (NOTE THAT

INDICATOR ROD

INDICATION GAUGE

VISUAL POSITION

WATER PACKING

PACKING GLAND, OVER THE

GATE LEAF STEM

BONNET COVER

THE OIL PACKING

PACKING GLAND, UNDER

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SHEET NOTES:

2. CONTRACTOR TO TURN OVER ALL OLD PARTS TO CORPS OF ENGINEERS.

CONDITIONS OF TYPICAL COMPONENTS. FIELD VERIFY ACTUAL CURRENT CONDITIONS AND DIMENSIONS.

1. PHOTOS ARE PROVIDED TO ILLUSTRATE EQUIPMENT LAYOUT AND TO SHOW APPROXIMATE EXISTING

PART # 22508-3

STEM EXTENSION ROD

PART # 22517-10 (FOR REFERENCE)

SAFTEY STUD CAP

PART # 22517-11 (FOR REFERENCE)

SAFTEY STUD WITH NUT

POSITION INDICATOR ROD

TRANSDUCER AT E-2 IS SIMILAR TO THE ONE AT E-1)

(TYPICAL OF TRANSDUCERS AT E-3, S-1, S-2, S-3.

CELESCO PT9101-0100-111-1110

CABLE EXTENSION POSITION TRANSDUCER:

TO POINTER AT E-1.

E-3, S-1, S-2, S-3. THE POINTER AT E-2 IS SIMILAR

ROD ASSEMBLY, TYPICAL OF POINTERS AT

POINTER ATTACHED TO POSITION INDICATOR

GAUGE AT E-2 CONTAINS MDC LIMIT SWITCHES)

(TYPICAL OF GAUGES AT E-3, S-1, S-2, S-3.

GATE POSITION INDICATING GAUGE

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0 1' 2'6"A1

NOT ALL COMPONENTS SHOWN FOR CLARITY

SCALE: 1" = 1'

CYLINDER E-1 WITH MODIFIED POSITION INDICATOR

NOT TO SCALE. UNIQUE CONDITIONS AT E-1 DUE TO PREVIOUS INDICATOR ROD MODS. DATE OF PHOTO: FEBRUARY 2017

POSITION TRANSDUCER AT E-1

NOT TO SCALE. UNIQUE CONDITIONS AT E-1 DUE TO PREVIOUS INDICATOR ROD MODS. DATE OF PHOTO: FEBRUARY 2017

DETAIL: HYDRAULIC CYLINDER E-1

3/4" STAINLESS STEEL THREADED ROD (E-1 ONLY)

2"x2" ALUMINUM ANGLE SECTIONS (E-1 ONLY)

PACKING GLAND AT E-1

MOVED BY THE STEM EXTENSION ROD.

ASSEMBLY IS CONNECTED TO AND

CONNECTION IN 2003. INDICATOR ROD

THE FAILURE OF THE ROD-TO-GATE

(AT E-1 ONLY). CONSTRUCTED AFTER

MODIFIED INDICATOR ROD ASSEMBLY

TO ANGLE SECTIONS.

L-BRACKETS CONNECT COLLARS

STEM EXTENSION ROD (E-1 ONLY).

4 LOCKING COLLARS FASTENED TO

PART # 22517-11 (FOR REFERENCE)

SAFTEY STUD WITH NUT

PART # 22517-10 (FOR REFERENCE)

SAFTEY STUD CAP

PART # 22508-3

STEM EXTENSION ROD

E-1 AND E-2 - SEE PHOTOS)

FOR POSITION LIMIT SWITCHES AT

CYLINDERS, BUT HAS MODIFICATIONS

(SIMILAR AMONG ALL SIX HYDRAULIC

GATE POSITION INDICATING GAUGE

MAINTAIN A WATERTIGHT SEAL)

GLAND WITH MODIFIED FASTENERS TO

STATIONARY IN PLACE AT THE PACKING

2003, AND REMAINING SECTION IS HELD

OF THE ROD TO GATE CONNECTION IN

LENGTH WAS REMOVED AFTER FAILURE

INDICATOR ROD AT E-1 (MOST OF ROD

REMAINING PORTION OF POSITION

AND LIMIT SWITCHES.

POSITION INDICATOR SYSTEMS

MECHANICAL AND ELECTRONIC

OF WORK, AND RECALIBRATE

REASSEMBLE UPON COMPLETION

ACCOMPLISH SCOPE OF WORK.

ASSEMBLY AS REQUIRED TO

DISASSEMBLE INDICATOR ROD

E-1 SHALL BE RE-USED.

INDICATOR ROD ASSEMBLY AT

THE EXISTING MODIFIED

REQUIREMENTS SPECIFIC TO E-1:

SWITCHES LOCATED ALONG THE TRAVEL PATH.

ORIGINAL, AND NOW ALSO ACTIVATE MDC'S LIMIT

POINTERS AT E-1 AND E-2 WERE MODIFIED FROM

INDICATOR ROD ASSEMBLY. NOTE THAT THE

POINTER COMPONENTS ATTACHED TO POSITION

(TYPICAL AT E-1 AND E-2)

CELESCO PT 101-0100-111-1110

CABLE EXTENSION POSITION TRANSDUCER:

(TYP OF E-1 AND E-2)

POWER CONNECTION

MDC UPPER HYDRAULIC

HYDRAULIC CYLINDER E-1 (TYP)

(TYP OF E-1 AND E-2)

POWER CONNECTION

MDC LOWER HYDRAULIC

BONNET COVER

ACTUATORS (SIMILAR AT E-1 AND E-2)

THREE UPPER LIMIT SWITCH

INDICATION GAUGE

VISUAL POSITION

IN THIS PHOTO)

ABOVE - NOT FULLY VISIBLE

(WITH CLAMPS TO INDICATOR ROD

MODIFIED FASTENER ASSEMBLIES

ROD AT E-1

POSITION INDICATOR

REMAINING PORTION OF

PACKING GLAND

BONNET COVER

TYPES AT E-1 AND E-2)

TRANSDUCER (TYPICAL OF

CABLE EXTENSION POSITION

INDICATION GAUGE

VISUAL POSITION

M-503

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SHEET NOTES:

CONDITIONS OF TYPICAL COMPONENTS. FIELD VERIFY ACTUAL CURRENT CONDITIONS AND DIMENSIONS.

1. PHOTOS ARE PROVIDED TO ILLUSTRATE EQUIPMENT LAYOUT AND TO SHOW APPROXIMATE EXISTING

SIMILAR AT E-1 AND E-2 ONLY)

DESIGN AND LIMIT SWITCH COMPONENTS ARE

LIMIT SWITCH ACTUATOR BEHIND. (POINTER

POSITION INDICATION POINTER, WITH LOWER

ROD ASSEMBLY

MODIFIED INDICATOR

SEE VIEW E8 THIS SHEET.

MODIFIED PACKING GLAND,

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PHOTO OF CYLINDERS E-1 AND E-2

NOT TO SCALE. DATE OF PHOTO: FEBRUARY 2017 C6 NOT TO SCALE. DATE OF PHOTO: FEBRUARY 2017

PHOTO OF CYLINDERS S-1 AND S-2 AND SUMP PUMPS

C H

A N

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N A

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H O

INDICATOR ROD - ONLY AT THIS CYLINDER)

CONNECTING TO MODIFIED POSITION

(GATE CLOSED- AND NOTE BRACKETS

E-1 UPPER GATE STEM EXTENSION ROD

MDC HYDRAULIC OPERATING UNIT

CONDUIT 2 AIR VENT

CONDUIT 1 AIR VENT

SUMP PUMPS

MDC HYDRAULIC LINES TO E-1

ROD (GATE OPEN)

STEM EXTENSION

E-2 UPPER GATE

DISCONNECTED

TO E-1, CURRENTLY

USACE HYDRAULIC LINES

MDC HYDRAULIC LINES TO E-2

DISCONNECTED

TO E-2, CURRENTLY

USACE HYDRAULIC LINES

HYDRAULIC CYLINDER

E-2 GATE OPERATING

EXTENSION ROD OIL PACKING (TYP)

E-2 COVER FOR UPPER STEM

HYDRAULIC CYLINDER

E-1 GATE OPERATING

FROM ACCUMULATORS

MDC LINES TO E-1 AND E-2

HYDRAULIC CYLINDER

S-1 GATE OPERATING

HYDRAULIC CYLINDER

S-2 GATE OPERATING

DOWN TO CONDUIT 1 BELOW

SUMP DISCHARGE LINE

CONDITIONS OF TYPICAL COMPONENTS. FIELD VERIFY ACTUAL CURRENT CONDITIONS AND DIMENSIONS.

1. PHOTOS ARE PROVIDED TO ILLUSTRATE EQUIPMENT LAYOUT AND TO SHOW APPROXIMATE EXISTING

SHEET NOTES:

H A

C H

E6EPDDSH

Typewritten Text

SHEET 45

CON-CL-464_3-27-2019

G-001

G-002

M-101

M-301

M-501

M-502

M-503

M-504

CON-CL-464_INFO_DRWGS
SHOP Drawings - Colebrook Dam.pdf
22505
22505-A
22506
22507
22508 R1
22508-A
22509
22510
22511
22511-A
22512
22513 R1
22514
22517 R1
22518 R2
22518-A R4
22518-B R2
65-182

historical COLEBROOK GATES.pdf

CON-16-16

CON-16-40

CON-16-44

CON-16-45

CON-113-1

File details come from the government source that posted it.