B34250 Exhaust System BWE 0412.pdf

DESIGNED

CHIEF, ENGINEERING DIVISION

DATE

APPROVED

RECOMMENDED

BRANCH CHIEF

SUBMITTED

PROJECT MANAGER

CHECKED

DRAWN BY

NO. DATE

DRAWING NUMBER

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SHEET

OF

SHEET

DESCRIPTION

REVISIONS

APPROVEDBY

SHEET SIZE

NTS

WHITE SANDS MISSILE RANGE, NEW MEXICO

DIRECTORATE OF PUBLIC WORKS

ENGINEERING SERVICES DIVISION

DRAWING TITLE

WS-34250-2023-G-GI-01

B34250

COVER SHEET/INDEX

SHEET

04/12/23

BWE

BWE

JIM STEPHENSON

JAMES NUNEZ

01 07

JOHN MORGAN

B34250

SHEET INDEX

DRAWING NUMBER TITLE

WS-34250-2023-G-GI-01 COVER SHEET/INDEX SHEET

WS-34250-2023-G-PL-02 B34250 PROJECT LOCATION

WS-34250-2023-G-100-03 B34250 GENERAL NOTES

WS-34250-2023-M-MD-04 B34250 EXHAUST SYSTEM DEMOLITION PLAN

WS-34250-2023-M-MH-05 B34250 NEW EXHAUST SYSTEM PLAN

WS-34250-2023-M-DT-06 B34250 NEW EXHAUST SYSTEM DETAILS

WS-34250-2023-E-DT-07 B34250 EXHAUST ELECTRICAL PLAN

VEHICLE EXHAUST SYSTEM REPAIR

DATE

APPROVED

RECOMMENDED

BRANCH CHIEF

SUBMITTED

PROJECT MANAGER

CHECKED

DRAWN BY

NO. DATE

DRAWING NUMBER

SCALE

SHEET

OF

SHEET

DESCRIPTION

REVISIONS

APPROVEDBY

SHEET SIZE

NTS

WHITE SANDS MISSILE RANGE, NEW MEXICO

DIRECTORATE OF PUBLIC WORKS

ENGINEERING SERVICES DIVISION

DRAWING TITLE

WS-34250-2023-G-PL-02

B34250

PROJECT LOCATION

04/12/23

ARCH D

BWE

BWE

JIM STEPHENSON

JAMES NUNEZ

02 07

JOHN MORGAN

PROJECT LOCATION

B34250 MAINTENANCE SHOP

DATE

APPROVED

RECOMMENDED

BRANCH CHIEF

SUBMITTED

PROJECT MANAGER

CHECKED

DRAWN BY

NO. DATE

DRAWING NUMBER

SCALE

SHEET

OF

SHEET

DESCRIPTION

REVISIONS

APPROVEDBY

SHEET SIZE

NTS

WHITE SANDS MISSILE RANGE, NEW MEXICO

DIRECTORATE OF PUBLIC WORKS

ENGINEERING SERVICES DIVISION

DRAWING TITLE

WS-34250-2023-G-100-03

B34250

GENERAL NOTES

04/12/23

ARCH D

BWE

BWE

JIM STEPHENSON

JAMES NUNEZ

03 07

JOHN MORGAN

GENERAL NOTES-

1. CONTRACTOR PERSONNEL ACCESS TO EACH SITE REQUIRES APPROVAL FROM THE WSMR

SECURITY OFFICE AND COMPLY WITH THE REQUIREMENTS OF THE WHITE SANDS MISSILE

RANGE VISITOR/ACCESS CONTROL POLICY (04JUNE2021).

2. THE CONTRACTOR SHALL COORDINATE ALL 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 THE

SCHEDULED OUTAGES 72 HOURS IN ADVANCE.

3. CONTRACTOR SHALL COORDINATE ALL WORK WITH EXISTING CONDITIONS AND CONSTRUCTION

DRAWINGS. CONTRACTOR SHALL PROVIDE ALL EQUIPMENT, MATERIAL AND LABOR AS

REQUIRED FOR COMPLETE FUNCTIONAL SYSTEMS.

4. CONTRACTOR SHALL NOTIFY AND COORDINATE WITH C.O.R. FOR ANY FORKLIFT OR SCISSOR

LIFT USE AT THE SITE WHICH MIGHT BE NEEDED TO REMOVE/INSTALL EXHAUST SYSTEM

DUCTWORK, MOTOR-FAN ASSEMBLY OR COMPONENTS. CONTRACTOR SHALL BARRICADE

HAZARDOUS OPERATIONS AREAS.

5. 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). THE INSTALL OF ALL MATERIALS AND

EQUIPMENT SHALL BE MADE BY EXPERIENCED AND LICENSED CRAFTSMAN IN A NEAT WORKMAN

LIKE MANNER, ALL MATERIALS, SUPERVISION, LABOR, TOOL, COST AND SERVICES NECESSARY

TO COMPLETELY INSTALL A FUNCTIONAL SYSTEM SHALL BE FURNISHED BY THE CONTRACTOR.

6. 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.

7. THE DRAWINGS ARE DIAGRAMMATIC ONLY BUT SHALL BE FOLLOWED AS CLOSELY AS ACTUAL

CONSTRUCTION CONDITIONS AND WORK OF OTHER TRADES PERMIT.

8. 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.

9. THE DIMENSIONS IN THE DRAWING ARE FOR REFERENCE AND THE CONTRACTOR SHALL FIELD

VERIFY ALL NECESSARY DIMENSIONS REQUIRED PERFORM THE SCOPE OF WORK.

10. CONTRACTOR SHALL FIELD VERIFY ALL EXISTING STRUCTURE, EQUIPMENT AND UTILITIES

WITHIN THE FACILITY TO ACCOMMODATE THE SYSTEM REPAIRS PRIOR TO THE START OF WORK.

11. 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.

12. UPON COMPLETION OF WORK, CONTRACTOR SHALL PROVIDE WITHIN 10 DAYS,

MANUFACTURER'S OPERATING & MAINTENANCE MANUAL FOR ALL EQUIPMENT INCLUDING

REPLACEMENT PARTS LIST PER SOW 8.8.

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.

HAZARDOUS MATERIAL TESTING AND ABATEMENT

14. 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 PART 10-HAZARDOUS BUILDING MATERIALS ABATEMENT,

CONTRACTOR SHALL FOLLOW GUIDELINES.

15. 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.

ELECTRICAL WORK

16. PRIOR TO PERFORMING WORK ENSURE THAT ELECTRICAL ENERGY SOURCES TO EFFECTED

SYSTEM HAS BEEN SECURED AND LOCKED OUT/TAGGED OUT (LOTO).

17. CERTIFIED ELECTRICIAN SHALL INSPECT EXISTING WIRING TYPE AND SIZE AND CIRCUIT

BREAKER RATING TO ENSURE THEY MEETS THE REQUIREMENTS FOR NEW MOTOR AND

CONTROLLER PER NEC. FOR HIGHER RATED WIRING, THE ELECTRICIAN SHALL REMOVE

EXISTING WIRING TO THE EXTENT NEEDED AND INSTALL REQUIRED 600 VOLT, THHN COPPER

STRANDED ELECTRICAL CONDUCTOR. FOR HIGHER RATED CIRCUIT BREAKER, ELECTRICIAN

SHALL ENSURE THAT THE NEW CIRCUIT BREAKER DOES NOT UNBALANCE THE PANEL. ALL

ELECTRICAL POWER AND CONTROL WIRING SHALL BE ROUTED THROUGH EMT CONDUIT, USING

PROPER CONNECTION METHODS, J-BOXES, NIPPLES, ETC. ALL ELECTRICAL WORK SHALL BE

DONE IN ACCORDANCE WITH NATIONAL ELECTRIC CODE (NEC) 70 AS REVISED.

MECHANICAL WORK

16. PRIOR TO PERFORMING WORK ENSURE THAT ELECTRICAL POWER AND GAS SUPPLY SOURCES

TO SYSTEM BEING WORKED HAVE BEEN SECURED AND LOCKED OUT/TAGGED OUT (LOTO).

17. THE CONTRACTOR SHALL ENSURE THAT THE VEHICLE EXHAUST SYSTEM IS SIZED TO PRODUCE

A FLOWRATE OF NO LESS THAN 800 CFM AT EACH SYSTEM NOZZLE, WILL ALL OTHER NOZZLES

OPEN AND IN USE. THIS FLOWRATE SHALL BE DEMONSTRATED AND TESTED FOR COMPLIANCE

PRIOR TO FINAL SIGN-OFF AT PROJECT COMPLETION.

18. CONTRACTOR SHALL USE THE BASIS-OF-DESIGN FROM 'PLYMOVENT' MANUFACTURER IN ORDER

TO COMPLY WITH ALL THE EXHAUST SYSTEM REQUIREMENTS.

19. WHEN INSTALLING A NEW MOTOR-FAN ASSEMBLY, CAREFULLY DISCONNECT MOTOR AND FAN

ASSEMBLY, MOUNTING FRAME AND HOUSING FROM EXISTING DUCTWORK. DESIGNATED

DUCTWORK AND SUPPORTS TO REMAIN IN PLACE TO THE GREATEST EXTENT POSSIBLE IF

SUITABLE FOR REUSE. THE NEW MOTOR-FAN ASSEMBLY SHALL BE INSTALLED PER

MANUFACTURERS RECOMMENDATIONS BY LICENSED/CERTIFIED TECHNICIANS. THE UNIT WILL

BE INSTALLED WITH VIBRATION ISOLATORS PER MANUFACTURERS RECOMMENDATIONS.

20. A SEALANT WILL BE APPLIED TO ALL DUCTWORK AND CONDUIT WALL PENETRATIONS TO THE

EXTERIOR WITH A SEALANT THAT MEETS OR EXCEEDS CHEMLINK HIGH PERFORMANCE WALL

AND BLOCK ADHESIVE.

21. 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.

22. THE CONTRACTOR SHALL ENSURE THAT THE ENTIRE EXHAUST SYSTEM DUCTWORK (INTERIOR

AND EXTERIOR) IS FREE OF CONTAMINATION AND DEBRIS.

23. ALL RIGID METAL DUCTWORK SEAMS WILL BE SEALED WITH FLEXIBLE ELASTOMETRIC SEALANT.

24.REPLACEMENT FLEXHOSE SHALL BE AN ABRASION AND CRUSH RESISTANT HOSE THAT IS

HIGHLY FLEXIBLE. MADE FROM HIGH-QUALITY MATERIALS DESIGNED TO WITHSTAND

TEMPERATURES UP TO 600°F. EQUIVALENT TO PLYMOVENT TYPE 'SNF2' EXHAUST HOSE.

25.UPON COMPLETION OF ALL NECESSARY SYSTEM REPAIRS OR MODIFICATIONS, THE

CONTRACTOR SHALL OPERATE THE SYSTEM AND DEMONSTRATE A REQUIRED MEASURED

FLOWRATE OF 800 CFM AT EACH NOZZLE OF THE SYSTEM.

DATE

APPROVED

RECOMMENDED

BRANCH CHIEF

SUBMITTED

PROJECT MANAGER

CHECKED

DRAWN BY

NO. DATE

DRAWING NUMBER

SCALE

SHEET

OF

SHEET

DESCRIPTION

REVISIONS

APPROVEDBY

SHEET SIZE

NTS

WHITE SANDS MISSILE RANGE, NEW MEXICO

DIRECTORATE OF PUBLIC WORKS

ENGINEERING SERVICES DIVISION

DRAWING TITLE

WS-34250-2023-M-MD-04

B34250

EXHAUST SYSTEM

DEMOLITION PLAN

04/12/23

ARCH D

BWE

BWE

JIM STEPHENSON

JAMES NUNEZ

04 07

JOHN MORGAN

GENERAL NOTES-

1. PRIOR TO REMOVING ANY COMPONENT WHICH HAS ELECTRICAL CONTROLS AND

POWER AND/OR GAS LINE HOOK-UP, THE CONTRACTOR SHALL VERIFY THAT

ELECTRICAL POWER HAS BEEN SECURED AND IS LOCKED OUT-TAGGED OUT (LOTO).

2. THE EXHAUST SYSTEM DRAWING IS DIAGRAMMATIC ONLY AND DIMENSIONS AND

GEOMETRY MAY VARY. THE SYSTEM HAS ELECTRICAL BREAKERS, MOTOR STARTERS,

ELECTRIC MOTORS, SIX FLEX HOSE DOWN DROPS AND ONE FLEX HOSE TO A FUME

HOOD. EACH WITH A HOSE SUPPORT CABLE, PULLEYS AND A NOZZLE FOR ATTACHING

TO A VEHICLES EXHAUST PIPE.

3. THERE ARE TWO MOTOR-FAN ASSEMBLIES. THE MOTORS ARE 3 HP EACH. THE FAN

EXHAUSTS TO THE EXTERIOR THROUGH A WALL PENETRATION. THE DUCTWORK IS

SUSPENDED FROM THE CEILING JOISTS WHICH ARE APPROXIMATELY 14' A.F.F.

5. REMOVE AND DISPOSE OF ALL FLEX CONNECTIONS, CONDUITS BETWEEN EXHAUST

MOTORS, DISCONNECTS AND WIRES UP TO THE MOTOR STARTERS. REMOVE

DISCONNECTS MOTOR STARTERS FOR EACH UNIT AT THE MAIN DISTRIBUTION PANEL.

6. THE CONTRACTOR SHALL DISASSEMBLE AND DEMOLISH THE FOLLOWING

COMPONENTS FROM THE EXHAUST SYSTEM: EXHAUST SYSTEM RIGID DUCTWORK,

BLOWER MOTORS, ALL DUCT FLEX HOSES, NOZZLES, FLEX DUCT SUPPORT CABLES

AND PULLEYS, EXHAUST STACK AND ASSOCIATED EQUIPMENT, DISCONNECTS AND

MOTOR STARTERS. THE EXISTING BLOWER SUPPORT BRACING MAY REMAIN IN PLACE

PROVIDED IT IS SUITABLE FOR REUSE WITH THE NEW EXHAUST SYSTEM, OTHERWISE

REMOVE FROM SERVICE.

7. THE CONTRACTOR SHALL TRANSPORT AND DISPOSE OF 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.

VEHICLE EXHAUST SYSTEM DEMOLITION PLAN

DIAGRAMATIC ONLY

DATE

APPROVED

RECOMMENDED

BRANCH CHIEF

SUBMITTED

PROJECT MANAGER

CHECKED

DRAWN BY

NO. DATE

DRAWING NUMBER

SCALE

SHEET

OF

SHEET

DESCRIPTION

REVISIONS

APPROVEDBY

SHEET SIZE

NTS

WHITE SANDS MISSILE RANGE, NEW MEXICO

DIRECTORATE OF PUBLIC WORKS

ENGINEERING SERVICES DIVISION

DRAWING TITLE

WS-34250-2023-M-MH-05

B34250

NEW EXHAUST SYSTEM

PLAN

04/12/23

ARCH D

BWE

BWE

JIM STEPHENSON

JAMES NUNEZ

05 07

JOHN MORGAN

GENERAL NOTES-

1. PRIOR TO PERFORMING WORK ENSURE THAT ELECTRICAL POWER TO SYSTEM

BEING WORKED HAS BEEN SECURED AND LOCKED OUT/TAGGED OUT (LOTO).

2. THE EXHAUST SYSTEM DRAWING IS DIAGRAMMATIC ONLY AND DIMENSIONS AND

GEOMETRY MAY VARY AS NECESSARY TO ENSURE THAT SYSTEM COMPONENTS

ARE INSTALLED PROPERLY AND SUITABLE FOR MAXIMUM UTILIZATION AND

EFFICIENCY.

3. EXHAUST EXTRACTOR SYSTEM COMPONENTS REFERENCED FROM 'PLYMOVENT'

MANUFACTURER AND 'MAXFLOW' MANUFACTURER ARE USED AS THE

BASIS-OF-DESIGN, OR EQUIVALENT.

4. THE CONTRACTOR SHALL ENSURE THAT THE NEW MOTOR-FAN ASSEMBLY FOR

THE VEHICLE EXHAUST SYSTEM IS SIZED TO PRODUCE A FLOW RATE OF NO LESS

THAN 800 CFM AT EACH SYSTEM NOZZLE, WILL ALL OTHER NOZZLES OPEN AND IN

USE, AND AT AN ALTITUDE OF 5200 FEET ABOVE SEA LEVEL. THIS FLOW RATE

SHALL BE DEMONSTRATED AND TESTED FOR COMPLIANCE PRIOR TO FINAL

SIGN-OFF AT PROJECT COMPLETION. THE CONTRACTOR SHALL INCORPORATE

LOCKING BALANCER DAMPERS IN THE RIGID DUCTWORK AS REQUIRED TO

ENSURE BALANCED FLOW AT ALL NOZZLES. THE DUCT DESIGN SHALL HAVE AN

INTERNAL FLOW VELOCITY NO LESS THAN 2500 FPM TRANSPORT VELOCITY.

5. THE CONTRACTOR SHALL SUPPLY HARDWARE, EQUIPMENT, CONDUIT, WIRING,

CONTROLS, AS NECESSARY FOR THE COMPLETE INSTALLATION AND OPERATIONS

OF THE NEW EXHAUST EXTRACTION SYSTEMS. EXISTING HARDWARE AND

SUPPORTS MAY BE USED IF SUITABLE FOR REUSE AND ARE IN GOOD CONDITION.

6. 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. ALL DUCTWORK

AND ASSOCIATED FITTINGS WILL BE IN ACCORDANCE WITH SMACNA AND

CONFIGURED TO PROVIDE BEST FLOW CONDITIONS POSSIBLE. ALL WORK

PERFORMED WILL BE DONE BY CERTIFIED LICENSED TECHNICIANS.

7. LIGHT DUTY LOCK SEAM HVAC DUCT AND ELBOWS SHALL NOT BE USED IN

EXHAUST EXTRACTION SYSTEM DUCTWORK. ALL DUCTWORK WILL BE

GALVANIZED CONFORM TO ASTM A653 G90. ELBOWS AND FITTINGS WILL BE

DIE-STAMPED OR STITCH WELDED EQUIVALENT. MAIN BRANCH TEES WILL BE 45°

LATERAL OR LATERAL REDUCING TYPE. ALL DUCT SEAMS WILL BE WELDED OR

SEALED WITH FLEXIBLE ELASTOMERIC SEALANT.

8. A SEALANT WILL BE APPLIED TO ALL DUCTWORK AND CONDUIT WALL

PENETRATIONS TO THE EXTERIOR WITH A SEALANT THAT MEETS OR EXCEEDS

CHEMLINK HIGH PERFORMANCE WALL AND BLOCK ADHESIVE.

9. ALL BARE STEEL BRACING AND FABRICATED COMPONENTS OF THE NEW

EXHAUST SYSTEM WILL BE CLEANED, PRIMERED AND PAINTED WITH A FINISH

COAT TO MATCH THE EXISTING TO PRECLUDE CORROSION AND RUST.

DESIGNED

CHIEF, ENGINEERING DIVISION

DATE

APPROVED

RECOMMENDED

BRANCH CHIEF

SUBMITTED

PROJECT MANAGER

CHECKED

DRAWN BY

NO. DATE

DRAWING NUMBER

SCALE

SHEET

OF

SHEET

DESCRIPTION

REVISIONS

APPROVEDBY

SHEET SIZE

NTS

WHITE SANDS MISSILE RANGE, NEW MEXICO

DIRECTORATE OF PUBLIC WORKS

ENGINEERING SERVICES DIVISION

DRAWING TITLE

WS-34250-2023-M-DT-06

B34250

NEW EXHAUST SYSTEM

DETAILS

04/12/23

ARCH D

BWE

BWE

JIM STEPHENSON

JAMES NUNEZ

06 07

JOHN MORGAN

M

M

M

M

DESIGNED

CHIEF, ENGINEERING DIVISION

DATE

APPROVED

RECOMMENDED

BRANCH CHIEF

SUBMITTED

PROJECT MANAGER

CHECKED

DRAWN BY

NO. DATE

DRAWING NUMBER

SCALE

SHEET

OF

SHEET

DESCRIPTION

REVISIONS

APPROVEDBY

SHEET SIZE

NTS

WHITE SANDS MISSILE RANGE, NEW MEXICO

DIRECTORATE OF PUBLIC WORKS

ENGINEERING SERVICES DIVISION

DRAWING TITLE

WS-34250-2023-E-DT-07

B34250

NEW EXHAUST SYSTEM

ELECTRICAL PLAN

04/12/23

ARCH D

BWE

BWE

JIM STEPHENSON

JAMES NUNEZ

07 07

JOHN MORGAN

GENERAL NOTES

1. PRIOR TO PERFORMING WORK ENSURE THAT ELECTRICAL ENERGY

SOURCES TO EFFECTED SYSTEM HAS BEEN SECURED AND LOCKED

OUT/TAGGED OUT (LOTO).

2. ALL ELECTRICAL WORK SHALL BE DONE IN ACCORDANCE WITH NATIONAL

ELECTRIC CODE (NEC) 70 AS REVISED.

3. GOVERNMENT SURVEYED THE MDPS AND WAS ABLE TO IDENTIFY ONLY A

FEW CIRCUITS DUE TO BAD LABELS OR NONE AT ALL. THEREFORE,

CONTRACTOR WILL NEED TO FIELD VERIFY AND TRACE THE EXHAUST

SYSTEM ELECTRICAL CIRCUITS AND ASSOCIATED CIRCUIT BREAKERS.

4. CERTIFIED ELECTRICIAN SHALL INSPECT EXISTING WIRING TYPE AND SIZE

AND CIRCUIT BREAKER RATING TO ENSURE THEY MEETS THE

REQUIREMENTS FOR NEW MOTORS AND CONTROLLERS PER 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. FOR HIGHER

RATED CIRCUIT BREAKER, ELECTRICIAN SHALL ENSURE THAT THE NEW

CIRCUIT BREAKER DOES NOT UNBALANCE THE PANEL. ALL ELECTRICAL

POWER AND CONTROL WIRING SHALL BE ROUTED THROUGH EMT CONDUIT,

USING PROPER CONNECTION METHODS, J-BOXES, NIPPLES, ETC.

5. DEMOLITION EXISTING 3 PHASE 208V CONTROLLER AND DEDICATED

DISCONNECTS TO BLOWER ASSEMBLIES. LABEL ALL CIRCUITS PRIOR TO

TRANSFER TO NEW CONTROLLER AND DISCONNECTS. USE EXISTING WIRE

FEED FROM DISTRIBUTION PANELS AND CONDUIT FOR NEW CONTROLLERS.

NEW CONTROLLERS WILL BE WALL MOUNTED AT OR NEAR THE EXISTING

LOCATIONS. THE NEW CONTROLLERS SHALL BE BUILT AND SUPPLIED BY

UL RECOGNIZED AN LISTED EXHAUST SYSTEM MANUFACTURER.

6. INSTALL NEW EMT CONDUIT TO MATCH EXISTING OR PER MANUFACTURER

RECOMMENDATIONS FROM EXISTING CONDUIT UP TO NEW COMPONENTS

AS NEEDED. USE PROPER CONNECTION METHODS SUCH AS J-BOX,

NIPPLES, ETC. FOR CONTINUATION OF CONDUIT AND SEAL PROPERLY. THE

USE OF FLEX CONDUIT IS ALLOWED ACCORDING PER NEC.

7. EACH BLOWER ASSEMBLY SHALL HAVE AN ELECTRICAL NEMA DISCONNECT

NEAR THE ELECTRIC MOTORS.

8. CONTRACTOR SHALL INSTALL A NEW WALL MOUNTED AUTOMATIC

CONTROL SYSTEM AND CONTROL WIRE COMPATIBLE WITH EACH BLOWER

ASSEMBLY IN ACCORDANCE WITH MANUFACTURERS RECOMMENDATIONS.

9. ALL GROUNDS FOR EQUIPMENT, BONDING AND NEUTRALS SHALL BE SIZED

ACCORDING TO NEC ARTICLE 250.

10. THE CONTRACTOR SHALL VERIFY THAT THE VEHICLE EXHAUST SYSTEM

CONTROLS AND INTERLOCKS ARE OPERATING CORRECTLY.