190_MD106_R1_AMENDMENT 008.pdf
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- Solicitation number
- N6247026R0012
About this file
This is a mechanical removals plan for Building 60 at Portsmouth Naval Shipyard in Kittery, Maine, prepared by Naval Facilities Engineering Systems Command (NAVFAC) Mid-Atlantic. The drawing is dated October 1, 2025, with Amendment 008 dated March 10, 2026, and depicts the first floor mezzanine mechanical systems scheduled for removal.
The plan specifies comprehensive removal of industrial process equipment and associated mechanical systems under Contract Line Item Number (CLIN) 002, including: make-up air unit (MUA-E) with condensate pump, dust collection system with baghouse and exhaust fan, unit heaters, paddle-type ceiling fans, window air conditioning units, hydronic radiant ceiling panels, and industrial process exhaust systems with air handling units, controls, ductwork, and piping. The mechanical subcontractor must identify, cut loose, and cap all items designated for demolition, with the general contractor responsible for final removal to authorized salvage facilities. The plan references coordination requirements with architectural drawings for patching penetrations, hazmat drawings for removal compliance, and specification section 02 41 00 for demolition procedures. Special requirements include EPA-compliant refrigerant recovery from air conditioning units with documentation via MIDLANT ODS forms, testing of the existing pumped steam condensate system return line back pressure prior to removals, and retention of certain HPS and PCR piping infrastructure along the north wall as indicated on sheet M-401.
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Text version
AA
MUA
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DC
E
40ø ø
S A ø
S A ø
S-E
E
(TYP 4)
S-E
E
(TYP 4)
HWS/R UP
WINDOW AC
1" HWS/R UP
UH
E
UH
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HWS/R DN TO UH-E HWS/R DN TO UH-E HWS/R DN TO UH-E HWS/R DN TO UH-E
1 1/4" HWS/R DN HWS/R DROP & UP
1" STM/COND
1 1/2" STM/COND
HWS/R DN
UH
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HV
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FH
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24x2420x20
20x12 DN
12x16
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20ø ø
EF
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1" LPC DN
1 1/2" LPS DN
UH
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UH
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RS/RL DN
16ø
16ø CAPPED AT BOTTOM
FT-E
ELOCKERS
M102
OPEN
OFFICE
M103
OPEN
OFFICE
M104
CORRIDOR
M105
SPRINKLER
M106
BREAK
LOCKER
M101
STAIR
MEZZANINE
M107
OPEN TO BELOW
OPEN TO BELOW
OPEN TO BELOW
OFFICE
M108
FT-E
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12ø
S-E
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(TYP 2)
20ø DN
EF
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CU
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1 1/2" PCR DN
2" PCR DN
1 1/2" PCR DN
3" HPC DN
2" HWS UP&DN
1 1/2"
HWS/R UP
1 1/2"
HWS/R UP
1 1/2"
HWS/R UP
2 1/2" HWS UP
1 1/2" HWR UP&DN
(ASBESTOS)
1 1/2" HWR UP&DN
(ASBESTOS)
2" HWS/R DN
2" LPS DN
2" HWS/R DN 1 1/2" LPS/LPC
HWS/R
DROP
LPS
LPC
3" HWS/R
DROP
1 1/2" HWS/R
REMOVE STEAM AND COND TO/FROM
PRV STATION (STACKED ON WALL)
(ABANDONED)
HPS &
PCR DN
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SATISFACTORY TO DATE
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1/8" = 1' - 0" 0 5' 10' 15' 30'
GRAPHIC SCALE
KEY PLAN
CHECK GRAPHIC SCALE BEFORE USING
MATCH LINE
PLAN
NORTH
SCALE: 1/8" = 1'-0"
B1
FIRST FLOOR MEZZANINE MECHANICAL REMOVALS PLAN - WEST
GENERAL NOTES REMOVALS KEYNOTES
1 [CLIN 002] REMOVE MAKE UP AIR UNIT MUA-E AND ASSOCIATED PRESSURE
POWERED CONDENSATE PUMP, CONTROLS, WIRING, DUCTWORK AND PIPING.
THE EXISTING CONCRETE SERVICE PAD MUST REMAIN IN PLACE FOR REUSE.
[CLIN 002] REMOVE DUST COLLECTION SYSTEM, INCLUDING EXHAUST FAN,
BAGHOUSE, BAGHOUSE SUPPORT STAND, CONTROLS, WIRING, AND DUCTWORK.
REMOVE UNIT HEATER AND ASSOCIATED BRANCH PIPING, CONTROLS AND
WIRING.
[CLIN 002] REMOVE LPS AND LPC PIPING FROM MAKE-UP AIR UNIT OUTSIDE OF
THE BUILDING AT GROUND LEVEL TO THE WALL PENETRATIONS AT THE ANNEX
WING OF THE BUILDING. REMOVE PIPING WALL SUPPORTS, AND COORDINATE
PATCHING / REPAIR OF BRICK WORK. SEE SHEET MD201 FOR ELEVATION VIEW
OF PIPING.
REMOVE HPS AND PCR PIPING FROM ANNEX WING WALL PENETRATIONS TO
CORNER OF EXTERIOR WALL OUTSIDE OF OPEN OFFICE AS SHOWN. REMOVE
PIPING WALL SUPPORTS, AND COORDINATE PATCHING / REPAIR OF BRICK
WORK.
[CLIN 002] REMOVE INDUSTRIAL PROCESS EXHAUST AND MAKE UP AIR SYSTEMS,
INCLUDING BUT NOT LIMITED TO AIR HANDLING UNITS, FANS, CONTROLS,
MIRING, DUCTWORK, HOODS, AND PIPING.
(THIS SHEET ONLY)
1.
2.
3.
4.
5.
6.
7.
8.
SEE M-001 FOR MECHANICAL LEGENDS, ABBREVIATIONS AND GENERAL NOTES.
REMOVE ALL INDUSTRIAL PROCESS EQUIPMENT AND ASSOCIATED CONTROLS, WIRING AND PIPING THROUGHOUT THE SPACES SHOWN ON THIS SHEET, UNLESS OTHERWISE NOTED.
COORDINATE WITH ARCHITECTURAL DRAWINGS FOR PATCHING OF OPEN FLOOR, WALL, AND CEILING PENETRATIONS ASSOCIATED WITH REMOVALS.
MECHANICAL SUBCONTRACTOR SHALL IDENTIFY, MAKE SAFE CUT LOOSE AND CAP ALL ITEMS SPECIFIED TO BE DEMOLISHED. THE GENERAL CONTRACTOR SHALL BE RESPONSIBLE FOR DEMOLITION AND REMOVAL OFF SITE TO AN AUTHORIZED SALVAGE FACILITY.
REFER TO CLIN 002 LIST OF INDUSTRIAL EQUIPMENT REMOVAL REQUIREMENTS.
COORDINATE REMOVAL WITH HAZMAT DRAWINGS AND REQUIREMENTS.
EXISTING MECHANICAL EQUIPMENT, DUCTWORK, AND PIPING THROUGHOUT THE BUILDING TO BE REMOVED, UNLESS OTHERWISE NOTED.
CONDUCT TESTING OF EXISTING PUMPED STEAM CONDENSATE SYSTEM RETURN LINE BACK PRESSURE AND REPORT RESULTS TO CONTRACTING
OFFICER PRIOR TO COMMENCING WITH REMOVALS IN BUILDING 60.
REMOVE PADDLE TYPE CEILING FANS AND ASSOCIATED CONTROLS AND
WIRING.
REMOVE TERMINAL HEATING UNIT AND ASSCOIATED BRANCH PIPING,
CONTROLS, AND WIRING.
REMOVE AIR CONDITIONER UNIT: DISPOSAL OF UNITS CONTAINING
REFRIGERANT SHALL BE DONE IN ACCORDANCE WITH CLEAN AIR ACT,
LOCAL, STATE, AND FEDERAL REGULATIONS. ALL REFRIGERANT MUST BE
REMOVED PRIOR TO EQUIPMENT REMOVAL. THE USED REFRIGERANT
SHALL BE RECLAIMED BY EPA APPROVED, SPECIALIZED EQUIPMENT AND
DISPOSED OF BY CONTRACTOR. THE CONTRACTOR MUST PROVIDE THE
MIDLANT ODS FORMS TO DOCUMENT REFRIGERANT RECOVERY, DISPOSAL,
AND CHARGE ACTIVITIES. SEE SPECIFICATION SECTION 02 41 00
"DEMOLITION AND DECONSTRUCTION".
REMOVE HYDRONIC RADIANT CEILING PANELS AND ASSOCIATED
HYDRONIC BRANCH PIPING, CONTROLS, AND WIRING.
[CLIN 002] HPS AND PCR PIPING TO REMAIN IN PLACE. REFER TO SHEET
M-401 FOR PLAN SHOWING HPS AND PCR CONNECTIONS TO THE EXISTING
PIPING TO IDENTIFY HOW MUCH OF THE EXISTING PIPING ALONG THE
NORTH WALL SHOULD REMAIN. PIPE SUPPORTS FOR THESE PIPES MUST
REMAIN IN PLACE.
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| Sheets |
| M-701 - MECHANICAL CONTROL DIAGRAMS 1 |
| MD106 - FIRST FLOOR MEZZANINE MECHANICAL REMOVALS PLAN - WEST |
| MD108 - SECOND FLOOR MEZZANINE MECHANICAL REMOVALS PLAN |
| MD109 - ATTIC MECHANICAL REMOVALS PLAN |
| MP107 - ATTIC MECHANICAL PIPING PLAN |
| P-401 - ENLARGED PLUMBING PART PLANS 1 |
| P-601 - PLUMBING SCHEDULES AND DETAIL |
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