DWG Bldg 155 ExhaustSys Repair IFC 030525.pdf

PDF 8 MB Posted Apr 10, 2025

Attached to: B-155_Repair Vehicle Exhaust - Fire Station #1
Solicitation number: W911SG25BA003
Issued by: Department of the Army Materiel Command Mission and Installation Contracting Command Fort Hood

About this file

Written by GovTribe AI · Apr 10, 2025

The document is a detailed set of engineering drawings for a Vehicle Exhaust System Repair project at Building 0155 at White Sands Missile Range, New Mexico. The comprehensive five-sheet drawing set (WS-0155-2025-G01 through WS-0155-2025-E05) provides technical specifications for repairing and upgrading the existing Plymovent vehicle exhaust system in a fire station with six bays. Key technical requirements include replacing the 7.5 HP fan-motor assembly, installing new flex hoses, upgrading the roof-top exhaust stack termination cap, reconfiguring the exhaust system in Bay-6 to support dual-side vehicle exhaust, and implementing new duct pressure sensors and manual blast gates. The system must meet performance requirements of 400 CFM flow rate at each nozzle, with minimum duct velocity of 2500 FPM, and comply with International Mechanical Code and SMACNA standards.

The project is part of a pre-solicitation (Solicitation Number W911SG25BA003) by the Mission and Installation Contracting Command at Ft. Bliss, Texas, with an estimated contract value between $100,000 and $250,000. The contract is 100% set aside for HUBZone Owned Small Businesses, with a contract duration of no more than 60 days after notice to proceed. The North American Industry Classification System (NAICS) code is 238220, with a size standard of $19,000,000. The tentative bid opening is scheduled for June 2025, with the solicitation and specifications to be available exclusively on SAM.gov.

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DESIGNED

CHIEF, ENGINEERING DIVISION

DATE

APPROVED

RECOMMENDED

BRANCH CHIEF

SUBMITTED

PROJECT MANAGER

CHECKED

DRAWN BY

NO. DATE

DRAWING NAME/SHEET NUMBER

SCALE

SHEET OF

PLATE

DESCRIPTION

REVISIONS

APPROVEDBY

SHEET SIZE

NTS

WHITE SANDS MISSILE RANGE, NEW MEXICO

DIRECTORATE OF PUBLIC WORKS

ENGINEERING SERVICES DIVISION

DRAWING TITLE

WS-0155-2025-G01

BUILDING 0155

VEHICLE EXHAUST SYSTEM REPAIR

COVER/INDEX SHEET

02/20/2025 ARCH D

BWE

TONY SAENZOROZCO

JAMES NUNEZ, P.E.

01 05

ROBERT LOPEZ III, P.E.

BUILDING 0155

W H

I T E

S ANDS MI SSI L E

G E

B I R THPL ACE

AMERI CA' S MI SSI LE & SPACE

I T Y

DRAWING # TITLE

WS-0155-2025-G01 COVER SHEET/DRAWING INDEX

WS-0155-2025-G02 PROJECT LOCATION

WS-0155-2025-G03 GENERAL NOTES

WS-0155-2025-M04 MECHANICAL DETAILS

WS-0155-2025-E05 ELECTRICAL POWER AND CONTROLS

VEHICLE EXHAUST SYSTEM REPAIR

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WHITE SANDS MISSILE RANGE, NEW MEXICO

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DIRECTORATE OF PUBLIC WORKS

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ENGINEERING DIVISION

B-155 FIRE STATION

DESIGNED

CHIEF, ENGINEERING DIVISION

DATE

APPROVED

RECOMMENDED

BRANCH CHIEF

SUBMITTED

PROJECT MANAGER

CHECKED

DRAWN BY

NO. DATE

SCALE

SHEET OF

PLATE

DESCRIPTION

REVISIONS

APPROVEDBY

SHEET SIZE

NTS

WHITE SANDS MISSILE RANGE, NEW MEXICO

DIRECTORATE OF PUBLIC WORKS

ENGINEERING SERVICES DIVISION

DRAWING TITLE

WS-0155-2025-G02

BUILDING 0155

VEHICLE EXHAUST SYSTEM REPAIR

PROJECT LOCATION

02/20/25 ARCH D

BWE

TONY SAENZOROZCO

JAMES NUNEZ, P.E.

02 05

ROBERT LOPEZ III, P.E.

DRAWING NAME/SHEET NUMBER

WATERTOWN AVENUE

11279

S-246

SAINT LOUIS STREET

GODDARD

INDIANA STREET

ENGINEER DRIVE

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HEALTH

CLINIC

DESIGNED

CHIEF, ENGINEERING DIVISION

DATE

APPROVED

RECOMMENDED

BRANCH CHIEF

SUBMITTED

PROJECT MANAGER

CHECKED

DRAWN BY

NO. DATE

SCALE

SHEET OF

PLATE

DESCRIPTION

REVISIONS

APPROVEDBY

SHEET SIZE

NTS

WHITE SANDS MISSILE RANGE, NEW MEXICO

DIRECTORATE OF PUBLIC WORKS

ENGINEERING SERVICES DIVISION

DRAWING TITLE

WS-0155-2025-G03

BUILDING 0155

VEHICLE EXHAUST SYSTEM REPAIR

GENERAL NOTES

02/26/2025 ARCH D

BWE

TONY SAENZOROZCO

JAMES NUNEZ, P.E.

03 05

ROBERT LOPEZ III, P.E.

GENERAL NOTES: CONSTRUCTION NOTES:

1. CONTRACTOR SHALL ENSURE JOB SITE AND PERSONNEL ARE IN COMPLIANCE WITH SAFETY

REQUIREMENTS AS STATED IN PART 2.7 OF THE PROJECT SOW.

2. CONTRACTOR SHALL MAINTAIN BUILDING ACCESS AND EGRESS AT ALL TIMES DURING CONSTRUCTION.

3. CONTRACTOR SHALL BARRICADE HAZARDOUS OPERATIONS AREAS TO PRECLUDE UNAUTHORIZED PERSONNEL

FROM ACCESS..

4. CONTRACTOR SHALL ENSURE EXISTING FIRE HYDRANTS ARE ACCESSIBLE TO FIRE TRUCKS AT ALL TIMES.

CONTRACTOR SHALL ENSURE THAT WORK AREAS WHERE HOT WORK IS PERFORMED HAS REQUIRED

PERMITS AND APPROVED FIRE EXTINGUISHERS.

5. WHERE DETAILS ARE NOT PROVIDED CONTRACTOR SHALL FOLLOW STANDARD CONSTRUCTION PRACTICES

AND APPLICABLE BUILDING AND UTILITY CODES AS REVISED.

6. CONTRACTOR SHALL ENSURE THAT APPROPRIATE PERSONAL PROTECTIVE EQUIPMENT IS DONED BY PERSONNEL PERFORMING WORK AND ANY PERSONS ENTERING THE WORK AREA WHILE WORK IS BEING

PERFORMED.

7. CONTRACTOR SHALL NOTIFY AND COORDINATE WITH C.O.R. FOR ANY HEAVY EQUIPMENT, CRANE, FORKLIFT OR

SCISSOR LIFT USE AT THE SITE WHICH MIGHT BE NEEDED FOR CONSTRUCTION.

8. PRIOR TO PERFORMING WORK ON EFFECTED SYSTEMS ENSURE THAT POWER SYSTEMS SUCH AS ELECTRICAL ENERGY, PNEUMATIC PRESSURE SOURCES, GAS SUPPLY SOURCES, ETC. HAVE BEEN SECURED AND LOCKED

OUT/TAGGED OUT.

9. ALL CONDUIT AND DUCT PENETRATIONS TO THE EXTERIOR WILL BE WEATHERPROOF AND WATER TIGHT. A SEALANT WILL BE APPLIED TO ALL DUCTWORK AND CONDUIT WALL PENETRATIONS THAT MEETS OR EXCEEDS CHEMLINK HIGH

PERFORMANCE WALL AND BLOCK ADHESIVE.

10. ALL METAL USED IN THE EXHAUST SYSTEM DUCTWORK, BRACING, COMPONENTS, ETC. SHALL BE TREATED TO BE CORROSION RESISTANT (GALVANIZED, ANODIZED OR SIMILAR) OR HAVE A DURABLE COATING APPLIED TO PREVENT

RUST AND CORROSION.

ELECTRICAL WORK

11. WHEN PERFORMING ELECTRICAL WORK AUTHORIZED ON THIS PROJECT, A LICENSED AND CERTIFIED ELECTRICIAN SHALL INSPECT EXISTING WIRING TYPE, SIZE AND CIRCUIT BREAKER RATING TO ENSURE THEY MEET THE

REQUIREMENTS FOR SUPPORTING ASSOCIATED EQUIPMENT AND CONTROLS.

12. CERTIFIED ELECTRICIAN SHALL INSPECT BLOWER MOTOR WIRING AND ENSURE THAT IT IS CORRECTLY WIRED AND

THAT THE MOTOR ROTATION IS CORRECT.

13. EXISTING EXHAUST SYSTEM CONTROLLER IS A PLYMOVENT MODEL OS-3 AUTOMATED CONTROLLER WITH ASSOCIATED COMPONENTS. CONTRACTOR SHALL ASSESS THE FUNCTIONALITY OF THE CONTROLLER AND COMPONENTS TO ENSURE THAT THEY ARE CONFIGURED AND OPERATING CORRECTLY. COMPONENTS THAT ARE

DEFECTIVE OR MISSING SHALL BE REPAIRED OR REPLACED.

MECHANICAL WORK

14. THE EXISTING VEHICLE EXHAUST SYSTEM (CONTROLS, FLEX HOSES AND EQUIPMENT) IS A 'PLYMOVENT' SYSTEM AND IS THE BASIS OF DESIGN. ALL VEHICLE EXHAUST SYSTEM COMPONENTS THAT WILL BE REPLACED SHALL BE

PLYMOVENT OR EQUIVALENT IN FORM, FIT, AND FUNCTION.

15. THE EXISTING EXHAUST SYSTEM DUCTWORK IS HEAVY WALL DUCT THAT INCORPORATES CLAMP TYPE FITTINGS.

DUCTWORK THAT IS IN GOOD CONDITION SHALL REMAIN IN SERVICE AND ANY REPLACEMENT DUCT OR FITTINGS

SHALL BE OF THE SAME TYPE, QUALITY AND CONFIGURATION.

16. ALL MECHANICAL WORK SHALL BE DONE IN ACCORDANCE WITH INTERNATIONAL MECHANICAL CODE (IMC) AND SHEET METAL AND AIR CONDITIONING CONTRACTORS NATIONAL ASSOCIATION (SMACNA) AS REVISED. ANY NEW DUCTWORK AND ASSOCIATED FITTINGS WILL BE IN ACCORDANCE WITH SMACNA AND CONFIGURED TO PROVIDE

BEST FLOW CONDITIONS WITHIN THE DUCTWORK FOR AN EXHAUST SYSTEM.

17. THE EXHAUST SYSTEM SHALL CONFORM TO AMERICAN CONFERENCE OF GOVERNMENTAL INDUSTRIAL HYGIENISTS (ACGIH) AND AMERICAN SOCIETY OF HEATING, REFRIGERATION AND AIR-CONDITIONING ENGINEERS (ASHRAE) DESIGN GUIDELINES AND STANDARDS FOR VEHICLE EXHAUST AND VENTILATION REQUIREMENTS, AND SHALL SIZE COMPONENTS ACCORDINGLY. THE WSMR INDUSTRIAL HYGIENE REPORT DATED 03/26/2024 IDENTIFIES THE LARGEST VEHICLE AT THE FACILITY AS A PIERCE FIRE TRUCK WITH A 534 CI (8.9L) ENGINE, OPERATING AT 500°F AND 1000 RPM.

18. THE CONTRACTOR SHALL ENSURE THAT THE ENTIRE EXHAUST SYSTEM DUCTWORK (INTERIOR AND EXTERIOR) IS

FREE OF CONTAMINATION AND DEBRIS.

19. ALL FLEX HOSES WILL BE REPLACED WITH AN ABRASION AND CRUSH RESISTANT HOSE THAT IS HIGHLY FLEXIBLE.

MADE FROM HIGH-QUALITY MATERIALS DESIGNED TO WITHSTAND CONSTANT TEMPERATURES UP TO 400°F.

EQUIVALENT TO PLYMOVENT TYPE 'ST' EXHAUST HOSE.

20. A LEAK CHECK WILL BE PERFORMED ON THE EXHAUST SYSTEM DUCTWORK BOTH RIGID AND FLEX DUCT. ANY DETECTED LEAKS WILL BE REPAIRED AS NECESSARY. A FLEXIBLE ELASTOMETRIC SEALANT MAY BE USED TO

REPAIR RIGID DUCT SEAM LEAKS.

21. THE CONTRACTOR WILL REPLACE THE 7.5HP, 3Ø ELECTRIC FAN-MOTOR ASSEMBLY, THE MOTOR WILL BE A NEMA PREMIUM EFFICIENCY ELECTRIC MOTOR. CONTRACTOR SHALL ENSURE THAT THE MOTOR-FAN ASSEMBLY IS PROPERLY MOUNTED WITH VIBRATION ISOLATORS PER MANUFACTURERS RECOMMENDATIONS. EXISTING SUPPORTS TO REMAIN IN PLACE TO THE GREATEST EXTENT POSSIBLE IF SUITABLE FOR REUSE.

22. TO REDUCE NOISE AND VIBRATION, THE CONTRACTOR WILL INSTALL APPROPRIATE FLEX DUCT BETWEEN THE

FAN-MOTOR ASSEMBLY AND THE RIGID DUCTWORK.

23. THE EXISTING ROOF-TOP EXHAUST STACK TERMINATION CAP IS SUSCEPTIBLE TO SYSTEM PRESSURE SURGES FROM LOCAL HIGH WINDS AND SHALL BE REPLACED. THE REPLACEMENT TERMINATION CAP SHALL BE ONE DESIGNED FOR USE IN AREAS OF HIGH WINDS WITH LOW-STATIC PRESSURE, SIZED TO APPROPRIATE EXHAUST STACK DIAMETER AND SIMILAR TO DURAVENT HIGH WIND CAP 14GVVT. THE MINIMUM HEIGHT OF THE TERMINATION CAP SHALL BE 6'

ABOVE THE ROOF SURFACE.

24. THE CONTRACTOR SHALL OPERATE THE SYSTEM AND DEMONSTRATE THE EXHAUST SYSTEM FLOW RATE AND FUNCTIONALITY OF THE SYSTEM CONTROLS AS DESIGNED. THE CONTRACTOR SHALL ENSURE THAT THE EXHAUST SYSTEM PRODUCES A FLOW RATE OF NO LESS THAN 400 CFM AT EACH SYSTEM NOZZLE, WITH ALL OTHER NOZZLES OPEN. UPON COMPLETION OF ALL SYSTEM REPAIRS AND IN ACCORDANCE WITH SECTION 2.9.7 AND 2.9.8 OF THE SOW, THE CONTRACTOR SHALL PROVIDE THE RESULTS OF THE FLOW RATE TEST IN TEST REPORT FORMAT TO THE

COR. THIS TESTING MUST BE COORDINATED AND WITNESSED BY THE COR.

25. FOLLOWING THE CONTRACTOR FLOW TEST, THE COR WILL COORDINATE A SYSTEM FLOW DEMONSTRATION WITH THE WSMR INDUSTRIAL HYGIENIST WHO SHALL INSPECT THE SYSTEM AND VERIFY FLOW RATES AT EACH NOZZLE

BASED ON REQUIREMENTS.

DRAWING NAME/SHEET NUMBER

1. CONTRACTOR PERSONNEL ACCESS TO EACH SITE REQUIRES APPROVAL FROM THE WSMR SECURITY OFFICE AND SHALL COMPLY WITH THE REQUIREMENTS OF THE WHITE SANDS MISSILE RANGE VISITOR/ACCESS CONTROL POLICY, AS REVISED.

2. THE DIMENSIONS IN THE DRAWING ARE FOR REFERENCE AND ARE DIAGRAMMATIC ONLY. THE CONTRACTOR SHALL FIELD VERIFY ALL EXISTING STRUCTURE, EQUIPMENT, UTILITIES AT THE FACILITY OR JOBSITE AND ALL NECESSARY

DIMENSIONS REQUIRED PERFORM THE SCOPE OF WORK.

3. CONTRACTOR SHALL REPORT DISCREPANCIES BETWEEN FIELD CONDITIONS AND NEW CONSTRUCTION DRAWINGS TO THE KO IN WRITING BEFORE THE RFI DEADLINE DURING THE SOLICITATION PHASE, PRIOR TO PROVIDING THEIR

BID.

4. THE CONTRACTOR SHALL COORDINATE ALL PROJECT ACTIVITIES WITH THE CONTRACTING OFFICER'S REPRESENTATIVE (C.O.R.). NO CONSTRUCTION WORK SHALL BE ACCOMPLISHED WITHOUT AN APPROVED CONSTRUCTION SCHEDULE. THE CONTRACTOR SHALL NOTIFY THE C.O.R. OF ANY SCHEDULED OUTAGES 72 HOURS

IN ADVANCE.

5. CONTRACTOR SHALL PROVIDE ALL EQUIPMENT, MATERIAL AND LABOR AS REQUIRED FOR COMPLETE FUNCTIONAL SYSTEMS PER THE SOW. THE TERM "PROVIDE" USED IN THE DRAWINGS AND SCOPE OF WORK IMPLIES THE CONTRACTOR IS TO FURNISH, TRANSPORT, INSTALL, CONNECT, WARRANT, AND START-UP, INCLUSIVELY UNLESS

OTHERWISE STATED.

6. ALL MATERIALS AND EQUIPMENT SHALL BE INSTALLED IN ACCORDANCE WITH MANUFACTURER'S PUBLISHED RECOMMENDATIONS, CONTRACT DOCUMENTS, INDUSTRY STANDARDS AND ALL FEDERAL, STATE AND LOCAL CODES AND AMENDMENTS AS ADOPTED BY THE GOVERNMENT FOR SERVICE INTENDED BY THE CONTRACTING OFFICER

(KO).

7. THE INSTALL OF ALL MATERIALS AND EQUIPMENT SHALL BE MADE BY EXPERIENCED AND LICENSED CRAFTSMAN PERFORMED IN A NEAT WORKMANSHIP LIKE MANNER. ALL MATERIALS, SUPERVISION, LABOR, TOOL COST AND SERVICES NECESSARY TO COMPLETELY INSTALL A FUNCTIONAL SYSTEM SHALL BE FURNISHED BY THE

CONTRACTOR, UNLESS OTHERWISE STATED.

8. CONTRACTOR SHALL PROTECT EXISTING STRUCTURE, EQUIPMENT AND UTILITIES WITHIN THE FACILITY TO ENSURE NO DAMAGE DURING DEMOLITION AND NEW CONSTRUCTION. ANY DAMAGE THAT IS DONE SHALL BE REPAIRED TO

PRIOR CONDITION AND MATCH EXISTING.

9. UPON COMPLETION OF WORK, CONTRACTOR SHALL PROVIDE WITHIN 10 DAYS, MANUFACTURER'S OPERATING & MAINTENANCE MANUAL FOR ALL EQUIPMENT INCLUDING REPLACEMENT PARTS LIST PER SOW PART 2.13.8.

10. VEHICLE EXHAUST SYSTEMS USED AT FIRE DEPARTMENTS EVACUATE VEHICLE EXHAUST FROM ENGINES THAT MUST BE RUN INDOORS. THE EXHAUST REMOVAL SYSTEM MUST PROVIDE A COMPLETE EVACUATION OF ALL VEHICLE EXHAUST FUMES AT THE SOURCE FROM START UP TO EXIT OF THE APPARATUS FROM THE FIRE STATION. THE

OPERATION OF THESE SYSTEMS ARE OUTLINED IN THE FOLLOWING:

10.1. UNITED FACILITIES CRITERIA (UFC) 4-730-10: FIRE STATIONS

10.2. NIOSH (NATIONAL INSTITUTE FOR OCCUPATIONAL SAFETY AND HEALTH)

10.3. OSHA (OCCUPATIONAL SAFETY AND HEALTH ADMINISTRATION)

10.4. NATIONAL FIRE PROTECTION ASSOCIATION (NFPA) 1500: LIFE SAFETY CODE, CHAPTER 9

10.5. NFPA 91, STANDARD FOR EXHAUST SYSTEMS FOR CONVEYING OF VAPORS, GASES, MISTS AND PARTICULATE

SOLIDS.

10.6. MANUFACTURER SPECIFICATIONS

HAZARDOUS MATERIAL TESTING AND ABATEMENT

11. PRIOR TO PERFORMING WORK CONTRACTOR SHALL PERFORM HAZARDOUS BUILDING MATERIALS SAMPLING OF ALL BUILDING MATERIALS THAT WILL BE DISTURBED IN AREAS WORKED. TESTING SHALL BE PER SOW SECTION 2.15 - HAZARDOUS BUILDING MATERIALS ABATEMENT, CONTRACTOR SHALL FOLLOW GUIDELINES PROVIDED IN THE SOW.

12. THE CONTRACTOR SHALL NOTIFY AND REPORT TO THE WSMR ENVIRONMENTAL DEPARTMENT OF ANY CONSTRUCTION WASTE OR DEBRIS THAT CONTAINS HAZARDOUS MATERIAL PRIOR TO DISPOSAL. THE WSMR ENVIRONMENTAL DIVISION GENERAL OFFICE PHONE NUMBER IS 575-678-2225; GENERAL EMAIL IS USARMYGarrisonWSMREnvironmentalAssessment@army.mil. THE CONTRACTOR SHALL BE RESPONSIBLE FOR ABATING ALL HAZARDOUS BUILDING MATERIALS FOUND IN THE WORK AREA. ABATEMENT OF HAZARDOUS MATERIALS (INCLUDING ASBESTOS CONTAINING MATERIAL (ACM), LEAD BASED PAINT (LBP), OR MOLD SHALL TAKE PLACE PRIOR

TO PERFORMING OTHER WORK OF THE PROJECT.

13. THE CONTRACTOR SHALL TRANSPORT AND DISPOSE OF ANY CONSTRUCTION WASTE AND DEBRIS TO AN OFF-SITE SOLID WASTE COLLECTION CENTER THAT HAS BEEN PERMITTED, BY THE JURISDICTION HAVING AUTHORITY TO ACCEPT AND DISPOSE OF CONSTRUCTION WASTE AND DEBRIS. THE CONTRACTOR SHALL NOTIFY AND REPORT TO THE WSMR ENVIRONMENTAL DEPARTMENT OF ANY CONSTRUCTION WASTE OR DEBRIS THAT CONTAINS HAZARDOUS

MATERIAL PRIOR TO DISPOSAL.

EXHAUST SYSTEM

CONTROL PANEL

FLEXHOSE ASSEMBLY

SEE DETAIL C, TYPICAL

ELECTRICAL

PANEL #2

56'

30'

12' 2" TYP.

FLEXHOSE ASSEMBLY TYPICAL

DUCT SUPPORT RAIL

NEW FLEX HOSE

STEEL SUPPORT STRUT

NEW MAGNETIC EXHAUST

NOZZLE COUPLING

BALANCE SPRING

ON RAIL TROLLY

EXHAUST DUCT

SAFETY

HANDLE

NEW DUCT SENSOR

NEW VEHICLE

TAILPIPE ADAPTOR

COVER PLATE

FOR NOZZLE

BAY-6 ONLY

10" DIA.

6' MIN.

FAN-MOTOR AND EXHAUST STACKB

GAS RADIANT HEATER

CEILING MOUNTED

12' AFF

NEW DUCT WYE W/

DUCT SELECTOR

BLAST GATES

DETAIL D, SH. 4

EXISTIN

D U

C T

NEW DUCT

NOZZLE WITH

COVER PLATE

· 6" WYE FITTING WITH MANUAL BLAST GATES

· BLAST GATE USED TO SELECT ACTIVE BRANCH

· POSITIONING POLE PERMITS BLAST GATE POSITIONING

FROM GROUND FLOOR

6" Ø OPEN BRANCH

6" Ø C

SED

C H

6" Ø DUCT

EXHAUST FLOW

EST BR

EAST BRANCH

6"Ø BLAST GATE

TWO PLACES

BLAST G

ATE

SITIO

DUCT BRANCH BLAST GATED

DESIGNED

CHIEF, ENGINEERING DIVISION

DATE

APPROVED

RECOMMENDED

BRANCH CHIEF

SUBMITTED

PROJECT MANAGER

CHECKED

DRAWN BY

NO. DATE

SCALE

SHEET OF

PLATE

DESCRIPTION

REVISIONS

APPROVEDBY

SHEET SIZE

NTS

WHITE SANDS MISSILE RANGE, NEW MEXICO

DIRECTORATE OF PUBLIC WORKS

ENGINEERING SERVICES DIVISION

DRAWING TITLE

WS-0155-2025-M04

BUILDING 0155

VEHICLE EXHAUST SYSTEM REPAIR

MECHANICAL DETAILS

02/20/2025 ARCH D

BWE

TONY SAENZOROZCO

JAMES NUNEZ, P.E.

04 05

ROBERT LOPEZ III, P.E.

DRAWING NAME/SHEET NUMBER

MECHANICAL WORK

1. THE EXISTING VEHICLE EXHAUST SYSTEM (CONTROLS, FLEX HOSES AND MISCELLANEOUS EQUIPMENT) IS A 'PLYMOVENT' SYSTEM AND ARE USED AS A BASIS OF DESIGN. ALL REPLACEMENT COMPONENTS SHALL BE PLYMOVENT OR EQUIVALENT

IN FORM, FIT AND FUNCTION.

2. THE CONTRACTOR SHALL REPLACE THE 7.5HP, 3Ø MOTOR-FAN ASSEMBLY WITH A NEW NEMA PREMIUM EFFICIENT FAN-MOTOR ASSEMBLY. THE FAN-MOTOR ASSEMBLY WILL BE INSTALLED PER MANUFACTURERS RECOMMENDATIONS.

THE UNIT WILL BE INSTALLED WITH VIBRATION ISOLATORS AND FLEX DUCT TO MINIMIZE NOISE AND VIBRATION. THE CONTRACTOR SHALL ENSURE THAT THE NEW FAN-MOTOR ASSEMBLY IS SIZED TO PRODUCE A FLOW RATE OF 400 CFM AT ALL SYSTEM NOZZLES, WITH ALL NOZZLES IN USE, AND AT AN ALTITUDE OF 4200 FEET ABOVE SEA LEVEL.

3. THE EXISTING ROOF-TOP EXHAUST STACK AND TERMINATION CAP IS SUSCEPTIBLE TO SYSTEM PRESSURE SURGES FROM LOCAL HIGH WINDS AND SHALL BE REPLACED. THE REPLACEMENT TERMINATION CAP SHALL BE DESIGNED FOR USE IN AREAS OF HIGH WINDS WITH LOW-STATIC PRESSURE, SIZED TO APPROPRIATE EXHAUST STACK DIAMETER AND SIMILAR TO DURAVENT HIGH WIND CAP 14GVVT. THE MINIMUM HEIGHT OF THE TERMINATION CAP SHALL BE 6' ABOVE THE ROOF

SURFACE. SEE FIGURE B.

4. ALL DUCTWORK AND ELECTRICAL CONDUIT ROOF TOP PENETRATIONS WILL BE SEALED TO ENSURE A WATER AND WEATHER PROOF SEAL. THE SEALANT SHALL MEET OR EXCEEDS CHEMLINK HIGH PERFORMANCE WALL AND BLOCK

ADHESIVE.

5. THE EXHAUST SYSTEM FOR BAY-6 SHALL BE RECONFIGURED WITH AN ADDITIONAL EXHAUST BRANCH; SO THAT THE EXHAUST SYSTEM CAN BE USED ON EITHER THE DRIVER OR PASSENGER SIDE OF A VEHICLE AS SHOWN IN FIGURE A. THE ADDITIONAL EXHAUST BRANCH WILL BE CONFIGURED WITH THE SAME EQUIPMENT AS THE EXISTING WITH 6" Ø DUCT, 5" Ø FLEX HOSE (TYPE 'ST'), SUPPORT RAIL, BRACING, TRACK STOPS, TRACK TROLLEY, MAGNETIC NOZZLE, VEHICLE ADAPTOR, SAFETY HANDLE, BALANCER AND OTHER COMPONENTS AS NECESSARY. CAUTION: CONTRACTOR SHALL POSITION THE DUCTWORK AND SUPPORT SO THAT THEY ARE CLEAR OF THE EXISTING CEILING MOUNTED RADIANT HEATER.

6. TWO MANUAL BLAST GATES WILL BE INSTALLED AT THE DUCT BRANCH WYE OF BAY-6; ENABLING THE OPERATOR TO SELECT WHICH BRANCH IS ACTIVE IN BAY 6. THE CONTRACTOR SHALL PROVIDE A MEANS OF CONFIGURING EACH BLAST

GATE FROM FLOOR LEVEL. SEE FIGURE D FOR ADDITIONAL REQUIREMENTS.

7. CONTRACTOR WILL PROVIDE A NOZZLE COVER PLATE THAT WILL COVER THE APERTURE OF THE NOZZLE NOT BEING USED IN BAY-6. COVER PLATE WILL SECURELY ATTACH TO THE MAGNETIC NOZZLE, MINIMIZING SYSTEM LEAKAGE.

8. THE EXISTING DUCTWORK IS A HEAVY WALL WITH CLAMP TYPE FITTINGS AND DUCT, DUCTWORK IS IN GOOD CONDITION AND SHALL REMAIN IN SERVICE. A LEAK TEST WILL BE DONE ON ALL RIGID DUCTWORK AND ALL LEAKS SHALL BE SEALED.

ALL MECHANICAL WORK SHALL BE DONE IN ACCORDANCE WITH INTERNATIONAL MECHANICAL CODE (IMC) AND SHEET METAL AND AIR CONDITIONING CONTRACTORS NATIONAL ASSOCIATION (SMACNA) AS REVISED. ANY NEW DUCTWORK OR ASSOCIATED FITTINGS WILL BE OF THE EXISTING TYPE AND CONSTRUCTION AND CONFIGURED TO PROVIDE BEST FLOW

CONDITIONS WITHIN THE DUCTWORK.

9. THE CONTRACTOR SHALL ENSURE THAT THE ENTIRE EXHAUST SYSTEM DUCTWORK (INTERIOR AND EXTERIOR) IS FREE

OF CONTAMINATION AND DEBRIS.

10. ALL FLEX HOSES SHALL BE REPLACED WITH 5" DIAMETER, ABRASION AND FLAME RESISTANT HOSE THAT IS HIGHLY FLEXIBLE. MADE FROM HIGH-QUALITY SYNTHETIC FABRIC DESIGNED TO WITHSTAND CONTINUOUS TEMPERATURES UP TO

400°F. EQUIVALENT TO PLYMOVENT TYPE 'ST' EXHAUST HOSE.

11. ALL VEHICLE MAGNETIC NOZZLES SHALL BE REPLACED WITH NEW. NEW VEHICLE EXHAUST SYSTEM ADAPTORS WILL BE

PROVIDED FOR ALL VEHICLES.

12. THE CONTRACTOR SHALL OPERATE THE SYSTEM AND DEMONSTRATE THE EXHAUST SYSTEM FLOW RATE AND FUNCTIONALITY OF THE SYSTEM CONTROLS AS DESIGNED. THE CONTRACTOR SHALL ENSURE THAT THE EXHAUST SYSTEM PRODUCES A FLOW RATE OF NO LESS THAN 400 CFM AT EACH SYSTEM NOZZLE, WITH ALL OTHER NOZZLES OPEN. UPON COMPLETION OF ALL SYSTEM REPAIRS AND IN ACCORDANCE WITH SECTION 2.9.7 AND 2.9.8 OF THE SOW, THE CONTRACTOR SHALL PROVIDE THE RESULTS OF THE FLOW RATE TEST IN TEST REPORT FORMAT TO THE COR. THIS

TESTING MUST BE COORDINATED AND WITNESSED BY THE COR.

SYSTEM PERFORMANCE REQUIREMENT

CONTRACTOR SHALL ENSURE THAT THE SYSTEM FAN-MOTOR ASSEMBLY AND DUCTWORK ARE CONFIGURED AND

HAVE THE CAPACITY TO PROVIDE THE FOLLOWING:

· MINIMUM DUCT VELOCITY 2500 FPM

· EACH NOZZLE HAS A MINIMUM FLOW RATE OF 400 CFM

MODIFY DUCT

DETAIL A

BAY-6 DUAL EXHAUST DUCTA

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%%UB-155 VEHICLE EXHAUST EXTRATION SYSTEM

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EXISTING CONFIGURATION

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BAY-1

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BAY-2

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BAY-3

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BAY-4

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BAY-5

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BAY-6

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SENSOR LOCATION PER MFR

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MOUNTED ON VEHICLE

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ROOF DECK

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ROOF JOIST

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APPROX. 13' A.F.F.

AutoCAD SHX Text COVER PLATE COUPLES TO MAGNETIC NOZZLE SEALING THE EXHAUST BRANCH THAT IS NOT USED. MATERIAL: MAGNETIC, NON-CORROSIVE STEEL MAGNETIC, NON-CORROSIVE STEEL

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WIRING TO CONTROLLER

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ROOF DECK

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NEW HIGH WIND

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NEW STACK

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NEW FAN ASSEMBLY

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MOUNTING

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FRAME

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%%UEXHAUST STACK ASSEMBLY

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HIGH-WIND TERMINATION CAP ON STACK

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ELECTRICAL

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DISCONNECT

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NEW STACK ADAPTER

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TERMINATION CAP

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NEMA

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NEW 7.5 HP 3 MOTORNEMA PREMIUM EFFICIENT

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SEE NOTE 3

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NEW NEMA 3R

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BAY-6

MODIFIED BAY-6 EXHAUST DUCT CONFIGURATION. WYE BLAST GATE POSITION SELECTS ACTIVE DUCT. INACTIVE BRANCH HAS NOZZLE COVER INSTALLED, BAY 6 ONLY. ILLUSTRATION IS DIAGRAMMATIC ONLY

EXHAUST SYSTEM

CONTROL PANEL

FLEXHOSE ASSEMBLY

TYPICAL

DETAIL C, SH. 4

ELECTRICAL

PANEL #2

GAS RADIANT HEATER

CEILING MOUNTED

12' AFF

NEW DUCT WYE W/

DUCT SELECTOR

BLAST GATES

DETAIL D, SH. 4

EXISTIN

D U

C T

NEW DUCT

FAN-MOTOR ASSEMBLY

WITH STACK AND CAP

ROOF-TOP MOUNTED

NOZZLE WITH

COVER PLATE DUCT SUPPORT RAIL

FLEX HOSE

EXHAUST DUCT

DUCT SENSOR

ROOF DECK

CIRC TRIP NO.

SERVICES A SERVICES

TRIP NO.

PANEL: '2'

CIRC

PHASES: 3, 4 WIREVOLTAGE: 240

B CNO. AMPS POLES AMPS POLESNO.

AIR CONDITIONER X -1 20 1 2

- X3 - - 4

AIR CONDITIONER -X5 100 2 6

- X7 - - 8

OUTSIDE LIGHTS

X9 10

- X11 - - 12

SQUAD RM LIGHTS CNTR X13 30 2 14

BATHRM LIGHTS

DINNING RM LIGHTSX

15 20 -

16A/B

CHIEFS RM LIGHTS17 20 - 18

19 20KIT LIGHTS20 3

AC UNIT DC/CAPT OFFICE40 2

EXHAUST SYSTEM

SHOP LIGHTS

ENGINE ROOM LIGHTS

CHIEFS RM & BASEMENT LIGHTS

COMPTR RM OUTLETS

REC RM LIGHTS

20/20

120X

UNK X ALARM & GYM OUTLETS21 20 - 22

WORKBENCH, S. GYM OUTLETS X23 20 - 24

COFFEE URN OUTLETS TELEPHONESX25 20 3 26

ALARM RM OUTLETS X27 - - 28

UNK

X29 30

UNK X31 20 1 32

A. TV RM OUTLET/B. UNK X33A/B 20/20 1 34

A. KIT MICRO/B. APPLIANCES

UNK

35A/B 20/20 1

20/20 36A/B 38A/B

UNK100 2

FLOOD LIGHT NORTH & SOUTH

BATTERY CHARGER FOR ALARMS

UNK

A. CONTROL/B. UNK

UNK

20/20

- 42 - -

T/E POWER RECEPTACLE37 20 1

GYM LIGHTS39 20 1

UNK41 20 1

BUILDING

FAN MOTOR

POWER OS-3 CONTROLLER

PANEL #2

C2 C3C3

SAFETY

DISCONNECT

RAIL OR TRACK

PRESS TEMP SWTCH

SWTCH

C7 WIRELESS

RECEIVER

C5 REMOTE

ALARM PNL

ANTENNA FOR

3Ø BRK (2, 4, 6)

50 AMP

PLYMOVENT

7.5 HP, 3Ø

ENGINE BAY

ROOF TOP

OPTIONAL

DIAGRAMMATIC PER MANFACTURER LITERATURE

OPTIONAL

DESIGNED

CHIEF, ENGINEERING DIVISION

DATE

APPROVED

RECOMMENDED

BRANCH CHIEF

SUBMITTED

PROJECT MANAGER

CHECKED

DRAWN BY

NO. DATE

SCALE

SHEET OF

PLATE

DESCRIPTION

REVISIONS

APPROVEDBY

SHEET SIZE

NTS

WHITE SANDS MISSILE RANGE, NEW MEXICO

DIRECTORATE OF PUBLIC WORKS

ENGINEERING SERVICES DIVISION

DRAWING TITLE

WS-0155-2025-E05

BUILDING 0155

VEHICLE EXHAUST SYSTEM REPAIR

ELECTRICAL POWER AND CONTROLS

02/20/2025 ARCH D

BWE

TONY SAENZOROZCO

JAMES NUNEZ, P.E.

05 05

ROBERT LOPEZ III, P.E.

DRAWING NAME/SHEET NUMBER

ELECTRICAL WORK

1. PRIOR TO PERFORMING WORK ENSURE THAT ELECTRICAL ENERGY SOURCES TO EFFECTED SYSTEM HAS

BEEN SECURED AND LOCKED OUT/TAGGED OUT.

2. CONTRACTOR SHALL SURVEY THE ELECTRICAL DISTRIBUTION PANEL, VERIFY AND LABEL EXHAUST SYSTEM

ELECTRICAL CIRCUITS AND ASSOCIATED CIRCUIT BREAKERS.

3. CONTRACTOR ELECTRICIAN SHALL INSPECT EXISTING WIRING TYPE AND SIZE AND CIRCUIT BREAKER RATING TO ENSURE THEY MEET THE REQUIREMENTS FOR THE MOTOR AND CONTROLLERS PER NFPA 70 NEC. FOR HIGHER RATED WIRING (IF NEEDED) THE ELECTRICIAN SHALL REMOVE EXISTING WIRING TO

THE EXTENT NEEDED AND INSTALL REQUIRED 600 VOLT, THHN COPPER STRANDED ELECTRICAL

CONDUCTOR. ELECTRICIAN SHALL ENSURE THAT THE ELECTRICAL POWER PANEL IS PROPERLY

BALANCED. ELECTRICIAN SHALL ENSURE THAT ALL ELECTRICAL POWER AND CONTROL WIRING FOR THE EXHAUST SYSTEM COMPONENTS ARE ROUTED THROUGH EMT CONDUIT, USING PROPER CONNECTION METHODS, J-BOXES, NIPPLES, ETC. THE USE OF FLEX CONDUIT IS ALLOWED ACCORDING PER NEC.

4. CONTRACTOR SHALL INSPECT THE CONTROLLER, SENSORS, INTERLOCKS AND COMPONENTS TO ENSURE THAT THEY ARE WIRED AND OPERATING CORRECTLY. EXISTING EXHAUST SYSTEM CONTROLLER IS A PLYMOVENT MODEL OS-3 AUTOMATED CONTROLLER WITH ASSOCIATED COMPONENTS. DEFECTIVE OR MISSING PARTS THAT NO LONGER OPERATE WITHIN MFR SPECIFICATIONS SHALL BE REPLACED. SENSORS SHALL BE ADJUSTED OR

CALIBRATED SO THAT THEY OPERATE PER MFR SPECIFICATIONS.

5. THE CONTROLLER CAN BE SET FOR BOTH MANUAL OR AUTOMATIC CONTROL OF THE FAN-MOTOR. FUNCTIONS OF

THE EXHAUST SYSTEM CONTROLLER WILL INCLUDE THE FOLLOWING:

5.1. DUCT PRESSURE SWITCH SENSES AN INCREASE IN PRESSURE FROM A CONNECTED VEHICLE AND PROVIDES A SIGNAL TO THE CONTROLLER TO START THE EXHAUST FAN. THE PRESSURE SWITCH SHALL BE ADJUSTABLE

TO ACCOMMODATE VARIOUS ENGINE SIZES.

5.2. AUTOMATIC MODE: WHEN AN ENGINE STARTS, THE PRESSURE SWITCH CLOSES AND COMPLETES THE CIRCUIT CAUSING THE FAN TO TURN ON. WHEN THE ENGINE TURNS OFF OR THE APPARATUS LEAVES THE STATION A

PRESSURE DROP IS DETECTED AND THE CONTROLLER ENTERS A DELAY OFF MODE.

5.3. MANUAL MODE: PROVIDES A MANUAL ON AND OFF SWITCH TO RUN THE EXHAUST FAN.

6. DUCT PRESSURE SENSORS WILL DETECT PRESSURE DIFFERENCES WHEN A VEHICLE IS CONNECTED AND STARTS THE FAN-MOTOR. DUCT PRESSURE SENSORS WILL BE AN INTEGRAL PART OF THE EXHAUST SYSTEM REMOTE CONTROLS AND SHALL BE INSTALLED AND POSITIONED ACCORDING TO EXHAUST SYSTEM MANUFACTURERS

INSTRUCTIONS.

7. ELECTRICIAN SHALL ENSURE THAT ALL EQUIPMENT IS ELECTRICALLY GROUNDED AND BONDED PER NFPA 70 NEC. ALL GROUNDS FOR EQUIPMENT, BONDING AND NEUTRALS SHALL BE SIZED ACCORDING TO NEC

ARTICLE 250.

8. THE CONTRACTOR SHALL VERIFY AND ENSURE THAT THE VEHICLE EXHAUST SYSTEM CONTROLS AND

INTERLOCKS ARE OPERATING CORRECTLY ACCORDING TO MANUFACTURERS SPECIFICATIONS.

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%%UB-155 VEHICLE EXHAUST SYSTEM

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MODIFIED CONFIGURATION

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BAY-1

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BAY-2

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BAY-3

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BAY-4

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BAY-5

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BAY-6

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SENSOR WIRING TO CONTROLLER

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%%UDUCT PRESSURE SENSOR

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PER MFR INSTRUCTIONS, TYP.

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%%UB-155 ELECTRICAL PANEL '2' SCHEDULE

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EXHAUST SYSTEM CONTROLS DIAGRAM

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NEW FAN ASSEMBLY

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%%UROOF-TOP BLOWER ASSEMBLY

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ELECTRICAL

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DISCONNECT

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NEW 7.5 HP 3%%C MOTOR

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NEMA 3R

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ROOF DECK

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EXHAUST

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FLOW

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NEW SHOCK MOUNTS

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NEMA PREMIUM EFFICIENT

NEW

Sheets and Views

Bldg 155 ExhaustSys Repair 100PCT-COVERSHEET

Bldg 155 ExhaustSys Repair 100PCT-LOCATION

Bldg 155 ExhaustSys Repair 100PCT-GENERAL

Bldg 155 ExhaustSys Repair 100PCT-HARDWARE

Bldg 155 ExhaustSys Repair 100PCT-ELECTRICAL

File details come from the government source that posted it. Updated Apr 10, 2025.