Drawings.pdf

PDF 1 MB Posted May 21, 2021

Attached to: Trash Rack, Ladder, and Staff Gauge Replacement, Northfield Brook Lake, Thomaston, CT
Solicitation number: W912WJ21Q0060
Issued by: Department of the Army Corps of Engineers Engineering District New England

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Other files

File	Type	Posted
Amendment W912WJ21Q0060-0003.pdf	PDF	Jun 21, 2021
SOW - REVISED.pdf	PDF	Jun 21, 2021
Drawings REVISED.pdf	PDF	Jun 21, 2021
Amendment W912WJ21Q0060-0002.pdf	PDF	Jun 15, 2021
Amendment W912WJ21Q0060-0001.pdf	PDF	Jun 10, 2021
Solicitation W912WJ21Q0060.pdf	PDF	May 21, 2021
Specifications.pdf	PDF	May 21, 2021

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US Army Corps of Engineers

SOLICITATION NO.:

CONTRACT NO.:

ISSUE DATE:

New England District

SIGNATURES AFFIXED BELOW INDICATE OFFICIAL RECOMMENDATION AND APPROVAL

OF ALL DRAWINGS IN THIS SET AS INDEXED ON THIS SHEET

APPROVED FOR TECHNICAL ADEQUACY BY:

TECHNICAL LEAD ENGINEER DATE

DATE

APPROVED BY:

APPROVAL RECOMMENDED BY:

CHIEF, ENGINEERING DIVISION

This project was designed by the U.S. Army Corps of Engineers. The initials or signatures and registration designations of individuals appear on these project documents, within the scope of their employment as required by ER 1110-1-8152.

REVIEWED BY:

CHIEF, GEOTECHNICAL/WATER RESOURCES BRANCH

REVIEWED BY:

CHIEF, DESIGN BRANCH

CHIEF, GEO-ENVIRONMENTAL ENGINEERING BRANCH

INTAKE WEIR

TRASH RACK REPAIRS

NORTHFIELD BROOK LAKE

THOMASTON, CONNECTICUT

W912WJ21Q0060

MAY 2021

DETAILS I

DETAILS II

DESIGN FILESHEET NO.

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INDEX TO DRAWINGS

SHEET TITLE

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HOU-NB-130_G-001.DWG COVER SHEET AND INDEX TO DRAWINGS

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GENERAL PLAN

CONTRACTOR

STORAGE AND

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WESTFIELD

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LOCATION

STEM COVER

HAND OPERATED HOIST

TORQUE

PLATE

EL. 506.0

STOP COLLAR

GUIDE BRACKET

COUPLING

EL. 482.0

GUIDE BRACKET

EL. 476.0

3' - 0" x 3' - 0" SLUICE GATE

FLOW

AIR VENT

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SECTION SLUICE GATE

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

0 2' 4'1'

PLAN SLUICE GATE HOIST

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

0 2' 4'1'

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REPLACE LADDER IN

MANHOLE (SEE DETAIL

THIS SHEET)

GENERAL NOTES:

1. EXISTING DIMENSIONS SHOWN ARE APPROXIMATE AND ARE TAKEN FROM A COMBINATION OF

FIELD INSPECTIONS AND EXISTING DRAWINGS. ALL EXISTING INFORMATION, DIMENSIONS, AND

ELEVATIONS SHALL BE VERIFIED IN THE FIELD BY THE CONTRACTOR PRIOR TO FABRICATION

AND CONSTRUCTION.

2. WORK SHALL NOT START UNTIL PREVIOUS PROJECT OF INSTALLING NEW STOP LOGS HAS BEEN

COMPLETED.

STRUCTURAL ABBREVIATIONS:

ADDL ADDITIONAL

ACI AMERICAN CONCRETE INSTITUTE

AL ALUMINUM

ASTM FORMERLY KNOWN AS:

AMERICAN SOCIETY FOR TEST AND MATERIALS

BLDG BUILDING

CRSI CONCRETE REINFORCING STEEL INSTITUTE

CLR CLEAR

CJ CONSTRUCTION JOINT

DIA DIAMETER

EF EACH FACE

EW EACH WAY

EL ELEVATION

EQ EQUAL

EXP EXPANSION

f'm MASONRY COMPRESSIVE STRENGTH

HDPE HIGH DENSITY POLY ETHYLENE

HSS HOLLOW STRUCTURAL SECTION

MAX MAXIMUM

MCJ MASONRY CONTROL JOINT

NTS NOT TO SCALE

O.C. ON CENTER

REINF REINFORCEMENT

SS STAINLESS STEEL

TOC TOP OF CONCRETE

TYP TYPICAL

UON UNLESS OTHERWISE NOTED

w/ WITH

FINISH FLOOR EL 506.00

" DIA SS EXP

ANCHOR (TYP)

FINISH FLOOR EL 482.00

WALL SUPPORT

BRACKET (TYP)

" DIA SS EXP ANCHOR

USE FLOOR SUPPORT

UNLESS IMPRACTICAL

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" LADDER

RAILS, PUNCH TO

RECEIVE RUNGS

RUNGS AL BAR

" DIA

WALL SUPPORT

BRACKETS AL BENT

BAR 2

" @ MAX 4'-0"

OC VERT

" DIA SS EXP

ANCHORS w/

3.5" EMBED

BRACKET TO RAIL

TYP

3 SIDES

1/4

PLUG WELD

" DEEP (TYP)

(TYP)

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NEW LADDER PLAN

SCALE: NTS

NEW LADDER DETAIL

SCALE: NTS

3" CLR TO END OF LADDER

WHEN SUPPORTED FROM

WALL

NOTES:

1. LADDER SHALL BE ALL ALUMINUM CONSTRUCTION MADE FROM 6061-T6 ALLOY

2. LADDER SHALL HAVE A CLEANED AND DEGREASED MILL FINISH.

3. EXPANSION ANCHORS SHALL HAVE A ICC-ES REPORT FOR POST INSTALLED ANCHORS INTO CRACKED CONCRETE

4. MINIMUM ANCHOR EMBEDMENT SHALL BE 3.5"

5. WHERE ALUMINUM CONTACTS A DISSIMILAR METAL, APPLY A HEAVY BRUSH COAT OF ZINC-CHROMATE PRIMER FOLLOWED

BY TWO COATS OF ALUMINUM METAL AND MASONRY PAINT TO THE DISSIMILAR METAL

6. WHERE ALUMINUM CONTACTS MASONRY OR CONCRETE, APPLY A HEAVY COAT OF APPROVED ALKALI RESISTANT PAINT

TO THE MASONRY OR CONCRETE. ALTERNATELY, COAT THE SURFACE OF THE ALUMINUM WITH TWO COATS OF EPOXY

PAINT.

7. VERTICAL SAFETY SYSTEM SHALL MEET ANSI Z359.16 STANDARD, ALONG WITH OSHA 1910.140 AND 1926.502.

8. VERTICAL SAFETY SYSTEM SHALL BE ALL STAINLESS STEEL CONSTRUCTION

9. VERTICAL SAFETY SYSTEM SHALL BE COMPATIBLE WITH LADDER.

VERTICAL LIFELINE

REPACK THE SLUICE

GATE OPERATOR (SEE

NOTES)

SLUICE GATE OPERATOR REPACKING NOTES:

1. COORDINATE WITH SITE PERSONNEL TO REMOVE THE

EXISTING GATE OPERATOR.

2. FLUSH THE INTERIOR OF THE GATE OPERATOR WITH A

NON-CORROSIVE COMMERCIAL DEGREASER/CLEARER

TO REMOVE ALL EXISTING GREASE, DIRT, WATER, AND

FOREIGN MATTER. ALL BEARINGS, BEARING BALLS,

GEARS, AND OTHER CLOSE-TOLERANCE PARTS THAT

ROTATE WITH RESPECT TO EACH OTHER SHOULD BE

RECOATED BY HAND WITH FRESH GREASE. THEN

REPACK THE OPERATOR WITH MARINE GRADE

GREASE. ADDITIONALLY, ALL GREASE USED SHOULD

BE AN ENVIRONMENTALLY ACCEPTABLE LUBRICANT,

AS DEFINED IN EM 1110-2-1424, IF FEASIBLE.

3. THE GREASE FOR THE MAIN GEARBOX SHOULD

CONTAIN AN EXTREME PRESSURE (EP) ADDITIVE AND

BE SUITABLE FOR TEMPERATURES BETWEEN -5° F AND

97° F. IT SHOULD BE WATER AND HEAT RESISTANT,

AND BE SLIGHTLY FLUID (APPROXIMATING NLGI GRADE

1 OR 0). IT SHOULD NOT BE CORROSIVE TO STEEL

GEARS, BALL, OR ROLLER BEARINGS, AND SHOULD

NOT CREATE MORE THAN 8% SWELL IN GASKETS. ITS

DROPPING POINT SHOULD BE ABOVE 316 F FOR

TEMPERATURE RANGES OF -20° F TO 150° F. IT SHOULD

NOT CONTAIN ANY GRIT ABRASIVE, OR FILLERS.

4. REPLACE ALL BEARINGS, SEALS, AND GASKETS ON

THE OPERATOR, WITH GREASE COMPATIBLE WITH THE

SEALS.

5. COORDINATE WITH SITE PERSONNEL TO REINSTALL

THE GATE OPERATOR ON SITE.

6. WITH SITE PERSONNEL PRESENT, MOVE THE

OPERATOR AND GATE THROUGH 3 OPERATING

CYCLES AFTER REPACKING, TO ENSURE IT IS

OPERATING CORRECTLY.

7. ADDITIONALLY, WHILE THE OPERATOR IS OUT OF

SERVICE THE STEM NUT THAT CONNECTS THE GATE

STEM TO THE MECHANICAL COMPONENTS SHOULD BE

INSPECTED, BY THE GOV, FOR WEAR AND TEAR.

NOTIFY COR ONE WEEK BEFORE TO ALLOW ADEQUATE

TIME FOR STAFFING OF THE OPERATOR STEM NUT

INSPECTION.

MANHOLE FRAME

AND COVER

10'-0"

2'-6"

2'-6"2'-6" 2'-6"

" x 2

" x

ANGLE

8C x 11.5

10C x 15.3

CONCRETE OUTLINE

TOC EL 501.00

2'-0"

10'-0"

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PLAN - INTAKE STRUCTURE

SCALE: 3/8" = 1' - 0"

4'0 2' 8'

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SECTION INTAKE STRUCTURE

SCALE: 3/8" = 1' - 0"

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STAFF GAUGE

(FINAL LOC TO BE

COORDINATED:

SEE DETAILS THIS

SHEET)

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REPLACE TRASH

RACK

REPLACE TRASH

RACK (TYP 2 LOC)

FIELD PAINT w/

EPOXY RUST

PENETRATING

SEALER

NOTES:

1. USING HAND AND/OR POWER TOOLS INCLUDING HAMMERS, WIRE BRUSHES, AND SIMILAR ITEMS. THE GOAL

IS TO REMOVE LARGE AND LOOSE PARTICLES OF PAINT AND RUST ONLY, WITH MOST CORROSION

REMAINING INTACT.

2. COATINGS SHALL BE APPLIED IN ACCORDANCE WITH THE MANUFACTURER'S INSTRUCTIONS AND THE

REQUIREMENTS OF THIS SPECIFICATION. THE FINAL COLOR OF THE OVERCOAT IN ALL AREAS SHALL MATCH

THE COLOR OF THE EXISTING PAINT

3. EPOXY RUST PENETRATING SEALER SHALL BE: A RUST-INHIBITIVE, PIGMENTED, ULTRA HIGH SOLIDS, PENETRATING EPOXY PRIMER / SEALER DESIGNED FOR USE OVER MARGINALLY PREPARED STEEL AND

AGED COATINGS. IT HAS EXCELLENT WETTING PROPERTIES AND PENETRATES TIGHT RUSTED STEEL TO

PROVIDE A FIRM ANCHOR FOR SUBSEQUENT TOPCOATS

4. OVERCOAT OF A COMPATIBLE PRODUCT FROM THE SAME MANUFACTURER

NOTES:

1. NEW TRASH RACK SHALL BE ALUMINUM GRATING MADE FROM

ALUMINUM ALLOY 6063-T6.

2. GRATING SHALL HAVE BEARING BARS 2" x

" (MIN).

3. GRATING MESH SIZE TO MATCH EXISTING TRASH RACK MESH SIZE, AS

CLOSE AS POSSIBLE.

4. BAND ALL GRATING ALONG EDGES AND AROUND OPENING WITH

CONTINUOUS BAR SAME DEPTH AND THICKNESS AS BEARING BARS

5. ALL GRATING IS TO BE SECURELY FASTENED TO SUPPORTS

6. FASTENERS, ANCHORS, BOLTS, NUTS AND WASHERS FOR GRATING SHALL

BE ALUMINUM.

7. INSERT 1/4-IN THICK NEOPRENE ISOLATOR PADS, 85 PLUS OR MINUS A

DUROMETER, SIZED FOR FULL WIDTH AND LENGTH OF BRACKET OR

SUPPORT

PROVIDE GRATING

IN STOP LOG SLOT

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DETAIL GRATING IN STOP LOG SLOT

SCALE: NTS

SPAN DIRECTION

(TYP)

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SS BOLT w/ SS

NUTS AND WASHER

HDPE LUMBER CUT TO SIZE

AS NEED FOR A TIGHT FIT IN

STOP LOG SLOT W/

COUNTERSUNK HOLES FOR

SS BOLTS AND NUTS

0'-2"

NOTES:

1. HDPE LUMBER SHALL BE FROM A RECYCLED SOURCE

2. HDPE LUMBER SHALL BE MADE WITH A UV INHIBITOR TO PREVENT

DEGRADATION IN SUNLIGHT.

SECTION GRATING IN STOP LOG SLOT

SCALE: NTS

5'-11"

SS BOLT w/ SS

NUTS AND WASHER

HDPE LUMBER CUT TO SIZE

AS NEED FOR A TIGHT FIT IN

STOP LOG SLOT W/

COUNTERSUNK HOLES FOR

SS BOLTS AND NUTS

AL GRATING

STOP LOG

NOTE: NUMERALS TO BE 3" HIGH

STAFF GAUGE NOTES:

1. STAFF GAUGE MARKINGS CORRESPOND TO THE DEPTH OF THE POOL. THE

ELEVATIONS LISTED FOR THE BASE MARKING OF EACH GAUGE ARE FOR REFERENCE

ONLY AND CORRESPOND TO ORIGINAL DESIGN ELEVATIONS, WHICH FOR REFERENCE

INCLUDED ELEVATION 591.0 FOR TOP OF DAM AND 576.0 FOR SPILLWAY CREST.

2. COLOR OF NUMERALS AND GRADUATIONS ON STAFF GAUGES SHALL BE BLACK.

3. COLOR OF STAFF GAUGE BACKGROUNDS SHALL BE WHITE.

4. STAFF GAUGE MATERIAL SHALL BE BAKED ENAMEL ON 16-GAUGE

CORROSION-RESISTANT METAL. STAFF GAUGES SHALL BE FASTENED TO THE

EXISTING TIMBER POSTS USING STAINLESS STEEL WOOD SCREWS.

STAFF GAUGE NUMERALS

SCALE: 3" = 1' - 0"

8x8 PRESSURE TREATED

TIMBER INSTALLED PLUMB

AND LEVEL

0'-6" GAUGE WIDTH

GROMMETS IN PAIRS,

VERTICALLY SPACED

AT A MAXIMUM OF

0.8' ON CENTERS (TYP)

NOTE: GRADUATIONS SHALL BE AS PICTURED TO THE TENTH OF A FOOT.

STAFF GAUGE DETAILS

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

0.5" DIA SS ADHESIVE

ANCHORS w/ SS NUTS AND

WASHERS, EMBEDDED 8"

INTO CONC (TYP)

EL 498.00 ASSUME

AS LOWEST WATER

LEVEL

2X2X0.25 PL SS

GAUGE NUMBER 22

SHALL BE

SURVEYED TO LINE

UP WITH 22 ON

EXISTING GAUGE

APPROXIMATELY

15FT AWAY

STAFF GAUGE

EXISTING STOP LOG TO REMAIN IN

PLACE. NOT MODIFICATIONS SHALL

BE PERMITTED TO THE THE

EXISTING STOP LOGS.

NOTES:

1. CONCRETE STOP LOG SLOT NOT SHOWN FOR CLARITY

" AL BEARING PL

WELDED TO

GRATING

REPLACE TRASH

RACK

PROVIDE GRATING

IN STOP LOG SLOT

2'-6" 2'-6" 2'-6"

4'0 2' 8'

TOP OF STOP LOG SLOT EL 502.00

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HOU-NB-130_S-501-S-501

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	2021-05-07T13:02:53-0400
PAUL.BRYAN.GLENN MICHAEL.1556061730

	2021-05-07T16:15:21-0400
TESSIER.MATTHEW.E.1377053253

File details come from the government source that posted it. Updated May 21, 2021.