A21 - Encl-20_702-D640-01-and-02-0 - Engine Cooling System_marked up.pdf

1 MB Posted

Attached to
Murden Shipyard Repair Services
Solicitation number
W912PM25Q0009
Issued by

About this file

Written by GovTribe AI ·

This file contains detailed engineering drawings and specifications for an engine cooling system on a shallow draft dredge vessel for the US Army Corps of Engineers Wilmington District. The drawings, created by Bristol Harbor Group, show the layout and components of cooling circuits for main engines, generator sets, and HRP (hydraulic propulsion) unit gear cooling. The system includes Fernstrum grid coolers (models D2875W-Z for main engines, D2475-6P-ZE1 for generators, and BN1469B-Z for HRP units), expansion tanks, pumps, valves, and associated piping.

The specifications detail flow rates (70 GPM for main engines, 46 GPM for generators, 50 GPM for HRP units), operating temperatures (85°F sea water temperature), and material requirements for pipes, fittings, and valves. The drawings include both schematic diagrams and physical installation details showing pipe routing, supports, penetrations, and protection features. All components must meet ABS (American Bureau of Shipping) requirements for steel dredges, with testing specified at 1.5 times normal working pressure of 20 PSI. The cooling system uses a corrosion-inhibiting "Nalcool" solution at 50/50 concentration with DCA additive.

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MARINE DESIGN CENTER

DEPARTMENT OF THE ARMY

CORPS OF ENGINEERS

BRISTOL HARBOR GROUP

103 POPPASQUASH RD, BRISTOL, R.I. 02809

TEL: (401) 253-4318 ~ FAX: (401) 253-2329

www.bristolharborgroup.com

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MAIN ENGINE COOLING (PORT)

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MAIN ENGINE CUMMINS QSK19-M 760 BHP @ 2100 RPM TIER 2

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OVERFLOW

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TO DKHOUSE SOLE

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34" DRAIN

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EXP TANK

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LLA

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MAIN ENGINE COOLING (STBD)

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70 GPM

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OVERFLOW

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TO DKHOUSE SOLE

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34" DRAIN

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EXP TANK

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LLA

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70 GPM

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GENERATOR ENGINE COOLING (STBD)

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STBD GEN. ENGINE CUMMINS QSM11-DM 250 EKW @ 1800 RPM

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46 GPM

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OVERFLOW

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TO BILGE

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34" DRAIN

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EXP TANK

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LLA

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GENERATOR ENGINE COOLING (PORT)

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46 GPM

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OVERFLOW

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TO BILGE

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34" DRAIN

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EXP TANK

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LLA

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HOSE BIBB REF 2

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PORT GEN. ENGINE CUMMINS QSM 11-DM 250 EKW @ 1800 RPM

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HRP UNIT GEAR COOLING

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GRID COOLER BN1469B-Z

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50 GPM

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HRP UNIT GEAR COOLING PUMP

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HRP UNIT GEAR COOLING PUMP

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1/4" VENT, TYP

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1/4" DRAIN, TYP

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1/4" DRAIN, TYP

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GRID COOLER BN1469B-Z

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GRID COOLER D2875W-Z

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PLATFORM DK

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MAIN DK

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MAIN DK

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PLATFORM

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MAIN DK

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DK

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HRP UNIT GEAR COOLING

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50 GPM

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MAIN DK

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DK

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MAIN ENGINE CUMMINS QSK19-M 760 BHP @ 2100 RPM TIER 2

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PLATFORM

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PLATFORM

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DK

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GRID COOLER D2875W-Z

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GRID COOLER D2475-6P-ZE1

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GRID COOLER D2475-6P-ZE1

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PIPING SIZES/LENGTHS

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EQUIPMENT

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GAL/FT

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PIPE VOLUME

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MAIN ENGINES

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37 GAL

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GEN. SETS

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107 GAL

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TYP SIZE

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HRP GEAR

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CKT LENGTH

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72 FT

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107 FT

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62 FT

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15 GAL

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COOLING CIRCUIT VOLUMES (GALLONS)

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EQUIPMENT

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COOLER

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TOTAL

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MAIN ENGINES

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GEN. SETS

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ENGINE

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HRP GEAR

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PIPE

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REQD EXP TANK VOLUME*

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*MIN TANK VOLUME = 20%%% ENGINE VOLUME + 5%%% TOTAL VOLUME

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RESVD

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MANUAL FILL W/ HOSE

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(USE PRESSURE CAP, TYP)

AutoCAD SHX Text McMaster Carr 3669K27 (6) REQD (TYP)

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

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REVISION:

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DATE

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BY

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CKD

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REVISIONS

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SYM

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SHEET:

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RESERVATIONS

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GENERAL NOTES

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ENGINE COOLING KEEL COOLER A & D

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VESSEL:

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TITLE:

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DESCRIPTION

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NO.

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DWG NO.

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DWG REV

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DWG NO:

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PROJECT:

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SIZE:

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WILMINGTON DISTRICT SHALLOW DRAFT DREDGE

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ENGINE COOLING SYSTEM

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BHGI APP'D:

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DATE:

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CHECKED:

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DRAWN:

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WAJ

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DATE:

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DATE:

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12JAN10

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CONRAD APP'D:

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DATE:

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GWB

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07APR10

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1. ALL WELDING, MATERIALS AND WORKMANSHIP SHALL BE IN ACCORDANCE WITH ALL WELDING, MATERIALS AND WORKMANSHIP SHALL BE IN ACCORDANCE WITH "ABS RULES FOR BUILDING AND CLASSING STEEL DREDGES", LATEST EDITION. VESSEL WILL BE CLASSED. 2. PIPE FITTINGS AND VALVES MATERIALS ARE SPECIFIED IN TABLE "MATERIAL PIPE FITTINGS AND VALVES MATERIALS ARE SPECIFIED IN TABLE "MATERIAL SPECIFICATIONS." FIT UP AND MATERIALS SHALL BE TO THE ATTENDING SURVEYORS SATISFACTION. 3. ALL PIPING SHALL BE PROPERLY SUPPORTED BY PIPE HANGERS,. NO C.W. PIPES ALL PIPING SHALL BE PROPERLY SUPPORTED BY PIPE HANGERS,. NO C.W. PIPES SHALL RUN ABOVE OR IN CLOSE VICINITY TO ELECTRICAL SWITCHBOARDS, ETC. INSTALL A SUFFICIENT NUMBER OF TAKE-DOWN JOINTS FOR READY ACCESS OR REMOVAL. ALL JOINTS WITHIN TANKS SHALL BE WELDED, WITH EXPANSION AND CONTRACTION PROVIDED FOR BY OFFSETS OR BENDS. 4. ALL DECK OR BULKHEAD PENETRATIONS SHALL HAVE DOUBLE CONTINUOUS FILLET ALL DECK OR BULKHEAD PENETRATIONS SHALL HAVE DOUBLE CONTINUOUS FILLET WELDS. OPENINGS MADE BY PIPES PASSING THROUGH STRUCTURE SHALL BE REINFORCED AS NECESSARY. 5. ALL C.W. LINE CONNECTIONS TO THE ENGINES (MAIN & AUXILIARY) SHALL BE VIA ALL C.W. LINE CONNECTIONS TO THE ENGINES (MAIN & AUXILIARY) SHALL BE VIA FLAME RETARDANT FLEXIBLE HOSES, APPROVED BY ABS AND USCG. BURST PRESSURE SHALL BE MIN. 4 X WORKING PRESSURE. FLEXIBLE HOSES SHALL BE FITTED WITH FACTORY END FITTINGS; FLANGES FOR 2 1/2" AND LARGER. FLEXIBLE HOSE SHALL ALSO BE FITTED AT THE CONNECTION TO THE HOUSE ON THE COOLING LINES TO ALL ENGINES. 6. PROVISIONS SHALL BE MADE FOR VENTING TRAPPED AIR IN C.W. CIRCULATION PROVISIONS SHALL BE MADE FOR VENTING TRAPPED AIR IN C.W. CIRCULATION PIPES. 7. AFTER COMPLETION, THE ENTIRE COOLING WATER SYSTEM SHALL BE PRESSURE AFTER COMPLETION, THE ENTIRE COOLING WATER SYSTEM SHALL BE PRESSURE TESTED TO 1.5 X NORMAL WORKING PRESSURE. WORKING PRESSURE IS APPROXIMATELY 20 PSI. TEST PRESSURE 30 PSI. DO NOT EXCEED 35 PSI. 8. ALL VALVES SHALL BE LABELED WITH FLUID NAME AND SERVICE, W/ BRASS OR ALL VALVES SHALL BE LABELED WITH FLUID NAME AND SERVICE, W/ BRASS OR ST. STEEL NAME PLATES WITH ENGRAVED LETTERS, 1/4" HIGH. 9. THIS DRAWING IS SUBJECT TO REVIEW AND COMMENT BY THE AMERICAN BUREAU THIS DRAWING IS SUBJECT TO REVIEW AND COMMENT BY THE AMERICAN BUREAU OF SHIPPING. ABS APPROVAL IS INDICATED BY AN ABS APPROVAL STAMP ON THE FACE OF THIS DRAWING. ANY CONSTRUCTION WORK DONE IN ADVANCE OF ABS APPROVAL IS AT THE RISK OF THE AUTHORIZER. 10. THE COOLING WATER PIPING SHALL BE COLOR CODE PAINTED "BLUE" IN THE COOLING WATER PIPING SHALL BE COLOR CODE PAINTED "BLUE" IN ACCORDANCE WITH THE SPECIFICATIONS. 11. PROVIDE ONE (1) SPARE MAIN ENGINE COOLING WATER PUMP AND ONE (1) PROVIDE ONE (1) SPARE MAIN ENGINE COOLING WATER PUMP AND ONE (1) SPARE GENERATOR ENGINE COOLING PUMP. PUMPS TO BE STORED ONBOARD THE VESSEL, IN ACCORDANCE WITH THE CLASS RULES. 12. MINIMUM EXPANSION TANK VOLUMES INDICATED HEREIN. EXPANSION TANKS SHALL MINIMUM EXPANSION TANK VOLUMES INDICATED HEREIN. EXPANSION TANKS SHALL BE LOCATED ABOVE HIGHEST POINT OF ENGINE COOLANT CIRCUIT, SEALED WITH A 15 PSI PRESSURE CAP, FITTED WITH LOW LEVEL ALARM, ENGINE VENT CONNECTIONS AT THE TOP AND MAKEUP LINE AT THE BOTTOM, ROUTED PER MFR INSTRUCTIONS. 13. ALL KEEL COOLERS SHOWN ARE AS SPECIFIED BY FERNSTRUM. TYPE AND MODEL ALL KEEL COOLERS SHOWN ARE AS SPECIFIED BY FERNSTRUM. TYPE AND MODEL LL KEEL COOLERS SHOWN ARE AS SPECIFIED BY FERNSTRUM. TYPE AND MODEL NO'S ARE SHOWN IN THE DIAGRAM. ALL KEEL COOLERS SHALL BE SURFACE MOUNTED. ALL KEEL COOLER PIPE CONNECTIONS SHALL BE BY FLANGED PIPE CONNECTIONS. ALL KEEL COOLER PIPE CONNECTIONS SHALL BE FITTED WITH LUG STYLE BUTTERFLY FLY VALVE INBOARD, WITH OPEN-CLOSED INDICATION. 14. ALL COOLING CIRCUITS SHALL BE FILLED WITH A CORROSION INHIBITING ALL COOLING CIRCUITS SHALL BE FILLED WITH A CORROSION INHIBITING "NALCOOL" SOLUTION. CONCENTRATION SHALL BE 50/50 OR PER ENGINE MANUFACTURER'S RECOMMENDATIONS. COOLANT SHALL BE TREATED WITH DCA ADDITIVE IN QUANTITIES AS REQUIRED BY ENGINE MFR. 15. EMERGENCY GENERATOR IS TO BE RADIATOR COOLED, WITH A SELF CONTAINED EMERGENCY GENERATOR IS TO BE RADIATOR COOLED, WITH A SELF CONTAINED COOLING CIRCUIT. REFER TO MANUFACTURER DATA FOR COOLING CAPACITY, DESIGN AMBIENT CONDITIONS, AND OTHER DETAILS.

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PIPING SYMBOLS

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LLA

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EQUIPMENT SPECIFICATIONS

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2 EA

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SIGHT GAUGE

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LOW LEVEL ALARM

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SWING CHECK VALVE

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GLOBE VALVE, STOP VALVE

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GATE VALVE

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LUG TYPE BUTTERFLY VALVE

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GLOBE VALVE

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FLEXIBLE HOSE (SEE GENERAL NOTE # 5.)

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MAIN ENGINE GRID COOLERS

AutoCAD SHX Text FRESH WATER FLOW RATE 82 GPM, SW TEMP 85 deg. F, MIN SPEED AT FULL POWER 3 KNOTS, MODEL NUMBER D2875W-Z

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2 EA

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GENERATOR ENGINE GRID COOLERS

AutoCAD SHX Text FRESH WATER FLOW RATE 46 GPM, SW TEMP 85 deg. F, MIN SPEED AT FULL POWER 0 KNOTS, MODEL NUMBER D2475-6P-ZE1

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2-1/2" AND OVER

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SIZE:

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2" AND UNDER

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MATERIAL SPECIFICATIONS

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PIPE REDUCER

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THERMOMETER DEGREES F READING W/ INSTRUMENT WELL.

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2 EA

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HRP DRIVE GEAR COOLING (SEE RESERVATIONS)

AutoCAD SHX Text FRESH WATER FLOW RATE 50 GPM, SW TEMP 85 deg. F, MIN SPEED AT FULL POWER 3 KNOTS, MODEL NUMBER BN1469B-Z

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2 EA

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CW PUMP FOR HRP UNIT GEAR (SEE RESERVATIONS)

AutoCAD SHX Text 50 GPM AT 35 FT THD & 1800 RPM CENTRIFUGAL PUMP. MARINE ELECTRIC OPD MOTOR, 1 HP, 480/3/60. CAST IRON HOUSING, BRONZE IMPELLER, STAINLESS STEEL SHAFT AND MECHANICAL SEAL.

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JOINTS

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TAKE DOWN

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FITTINGS

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PIPE

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TYPE/DESCRIPTION

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ITEM

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MATERIAL SPEC'N

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DESIGN SPEC'N

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ASTM A53 GR B

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TYPE S OR E

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ANSI B36.10

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SCH 80 SMLS OR ERW

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CARBON STL, BLACK

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ASTM A105

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ANSI B16.5

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FLANGE: FORGED STEEL

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SLIP ON, SOCKET, WN

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RAISED FACE, 150#

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ASTM A234 GR

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ANSI B16.9

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SCH 80 WRGT CARBON

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STEEL, BUTTWELD

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WPB

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OR 16.28

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MATERIAL SPEC'N

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CARBON STL, BLACK

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ANSI B16.11 MSS-SP83

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THREADED UNION, NPT

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FORGED STEEL, 2000#

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ASTM A105

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THREADED, NPT

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FORGED STEEL, 2000#

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ASTM A105

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ASME SB62

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MSS-SP80

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THREADED, 150#

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BRONZE

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RISING STEM

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RENEWABLE

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ANSI B16.3

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GRD JT SEAT

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DISC & SEATS

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OR MAL. IRON, 150#

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OR A197

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OR MAL. IRON, 150#

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OR A197

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ANSI B16.3

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VALVES

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BUTTERFLY LUG TYPE

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DUCTILE IRON OR

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STEEL, FLANGED, 150#

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ASTM A395 OR

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A216 (MIN ELONG

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12%%%, NEOPRENE

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LINED, SS316

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STEM & DISC

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MSS-SP-67

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FLEXIBLE

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HOSE

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POTABLE WATER SYSTEM

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SEE RESERVATIONS

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USCG CATEGORY A

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A_9

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IN

OUT

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IN

MARINE DESIGN CENTER

DEPARTMENT OF THE ARMY

CORPS OF ENGINEERS

BRISTOL HARBOR GROUP

103 POPPASQUASH RD, BRISTOL, R.I. 02809

TEL: (401) 253-4318 ~ FAX: (401) 253-2329

www.bristolharborgroup.com

B1

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MAIN ENGINE, P/S

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PROPULSION UNIT, P/S

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%%UDAY

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%%UROOM

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SCALE: 3/16" = 1'-0"

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PORT SHOWN, STBD SIM EXCEPT AS NOTED

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PLAN 7-D

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SCALE: 3/16" = 1'-0"

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STBD SHOWN- LKG TO PORT

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ELEVATION 5-D

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MIN 3:1 TAPER

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ON GUARD

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MIN 3:1 TAPER

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ON GUARD

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U.S. ARMY CORPS OF ENGINEERS

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PIPING RUN INBOARD OF B/5 (=10'-6")

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HRP UNIT GEAR COOL BN1469B-Z (P/S)

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MAIN ENG.

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GENSET

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HRP UNIT

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MAIN ENGINE D2875W-Z (P/S)

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GENERATOR SET D2475-6P-ZE1 (P/S)

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GENERATOR, P/S

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TRUE LENGTH OF COOLERS SHOWN

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SKEG P/S

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SCALE: 3/16" = 1'-0"

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PORT SHOWN, STBD SIM EXCEPT AS NOTED

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PLAN 5-C

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3/4" PL SIDE GUARD

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1/2" PL

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SIDE GUARD PL, TYP (1/2" PL)

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GRID COOLER FOR HRP SHOWN, OTHERS SIMILAR

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STANDOFFS FOR GRID COOLER INTERMEDIATE SUPPORTS.

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3" X 1" FB (TYP) 24" MAX SPCG

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SCALE: NONE

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GRID COOLER SIDE GUARD DETAIL

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ELEVATION 7-B

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9" (HRP) 10" (ME & GENS)

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3" X 1" FB, TYP (TRANSVERSE)

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SEE DETAIL 4-B

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GRID COOLER FLANGES

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SHELL PLTG

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1/2" PL DOUBLER

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ANGLE STANDOFF AT INTERMEDIATE SUPPORTS. DRILL 1316" FOR ST STL BOLT

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SCH 80 THRU-HULL PIPING

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FLAT BAR GUARD

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LUG TYPE BFLY VALVES

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

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SHELL PENETRATION DETAIL

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DETAIL 4-B

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TYP

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TYP

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PLATFORM DECK 13'-0" ABL

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ABOVE DECK PIPING LKG THRU PLATFORM

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GENSET CKT

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MAIN ENG CKT

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HRP CKT

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TO PORT MAIN

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ALUMINUM DECKHOUSE

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TO STBD MAIN

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AFT TO HRP

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SEE DET 1-D

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SCALE: 3/16" = 1'-0"

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LKG AFT (FR 39 SHOWN, OMISSIONS FOR CLARITY)

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SECTION 3-D

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PORT FLEX CONNECTION DECKHOUSE/MAIN DECK SCALE : 3/4" = 1'-0"

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DETAIL 1-D

AutoCAD SHX Text FLEX HOSE (FLG X FLG) ~8 " F-F (2 " HRP) 12" F-F (2 " HRP) 12" HRP) ~12 " F-F (3 " M.E.)14" F-F (3 " M.E.)12" M.E.)

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STEEL PIPE & FITTINGS

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STEEL DECK

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TYP

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STEEL PLATFORM

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MAIN DECK (STEEL)

AutoCAD SHX Text NOTE: HINGE SHOWN FOR CLARITY; FLEX CONNECTION & ASSOCIATED PIPING PROTECTIVELY LOCATED INBOARD OF AFT STAIR PORT/STBD

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8'-6" OCL

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TYPICAL BULKHEAD PENETRATION BHD 33 SHOWN, OTHERS SIMILAR SCALE : 3/4" = 1'-0"

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DETAIL 1-C

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TYP

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12" LAP, MIN

AutoCAD SHX Text 12" PL DBLR (MAY BE COMBINED INTO 1 PIECE AS SHOWN, OR INDIVIDUAL COLLARS FOR EACH PIPE)

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

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REVISION:

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DATE

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BY

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CKD

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REVISIONS

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SYM

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SHEET:

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RESERVATIONS

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GENERAL NOTES

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ENGINE COOLING SYSTEM

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VESSEL:

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SCALE:

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TITLE:

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DESCRIPTION

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NO.

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DWG NO.

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DWG REV

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DWG NO:

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PROJECT:

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SIZE:

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WILMINGTON DISTRICT SHALLOW DRAFT DREDGE

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ENGINE COOLING KEEL COOLER A & D

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BHGI APP'D:

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DATE:

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CHECKED:

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DRAWN:

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WAJ

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DATE:

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DATE:

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12JAN10

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CONRAD APP'D:

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DATE:

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GWB

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07APR10

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SEE REF 1

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MATERIAL AND EQUIPMENT SPECIFICATIONS

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SEE REF 1

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FERNSTRUM GRID COOLER DRAWINGS:

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DWG D2800W-Z-5

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GENERATOR ENGINE

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MAIN ENGINES

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DWG D2400-6P-ZE1-5

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DESIGN CRITERIA

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EQUIPMENT

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SEA WATER TEMP.

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VESSEL SPEED

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MAIN ENGINES/HRP

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85%%DF

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3 KNOT

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GEN. SETS

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85%%DF

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0 KNOT

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MODEL D2475-6P-ZE1

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MODEL D2875W-Z

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HRP UNIT GEAR COOLING

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DWG BN1400B-Z-5

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MODEL BN1469B-Z

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MAIN DECK STRUCTURAL PLANS

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Sheets and Views
702-D640-01&02-0-640-01
702-D640-01&02-0-640-02

File details come from the government source that posted it. Updated .