Attachment 03d - Mechanical Combined (4 pages).pdf

U.S. Department of Veterans Affairs strollo & strollo 718 Virginia Drive

Orlando, FL. 32803 T: (407) 423-5355 F: (407) 422-5994

MES Group, Inc.

550 North Reo Street, Suite 203 Tampa, FL, 33609 813.289.4700 mes group

COA # 8304

MECHANICAL NOTES AND

LEGENDS

M-001

NEW THERMOSTAT

POINT OF NEW CONNECTION

X DRAWING NOTE

U 1" DOOR UNDERCUT

END CAP

INDICATES SUPPLY AIRFLOW

INDICATES RETURN AIRFLOW

UP DUCT UP

DN DUCT DOWN

- EQUIPMENT MARK

FIRE DAMPER

MANUAL BALANCING DAMPER

EXHAUST

RETURN OR TRANSFER

RECTANGULAR DUCT

(INSIDE DIMENSIONS: WIDTH x DEPTH)AxB

EXISTING DUCT

(INSIDE DIMENSIONS: WIDTH x DEPTH)AxB

EXISTING FLEX-DUCT

EXISTING DUCT TO BE REMOVED

EXISTING RETURN

EXISTING EXHAUST

SUPPLY

EXISTING SUPPLY

(E) EXISTING

ADJ ADJUSTABLE

AFF ABOVE FINISHED FLOOR

AFM AIRFLOW MEASURING DEVICE

AHJ AUTHORITY HAVING JURISDICTION

AHU AIR HANDLING UNIT

ATU AIR TERMINAL UNIT

BHP BRAKE HORSEPOWER

BOD BOTTOM OF DUCT

BOS BOTTOM OF STRUCTURE

BTUH BRITISH THERMAL UNIT PER HOUR

CCV COOLING CONTROL VALVE

CD CEILING SUPPLY AIR DIFFUSER

CF CUBIC FEET

CFM CUBIC FEET PER MINUTE

CG CEILING GRILLE

CHWR CHILLED WATER RETURN

CHWS CHILLED WATER SUPPLY

COR CONTRACTING OFFICER'S REPRESENTATIVE

CTE CONNECT TO EXISTING

CU CONDENSING UNIT

CV CONSTANT AIR VOLUME

DD DUCT MOUNTED SMOKE DETECTOR

DIA DIAMETER

EA EXHAUST AIR

EAT ENTERING AIR TEMPERATURE

EDH ELECTRIC DUCT HEATER

EF EXHAUST FAN

EWT ENTERING WATER TEMPERATURE

FBC FLORIDA BUILDING CODE 2017

FCU FAN COIL UNIT

FD FIRE DAMPER

FMC FLORIDA MECHANICAL CODE 2017

FO FLAT OVAL

FPM FEET PER MINUTE

FSD COMBINATION FIRE SMOKE DAMPER

FT FEET

G GAS / GRILLE

GPM GALLONS PER MINUTE

HCV HEATING CONTROL VALVE

HHWR HEATING HOT WATER RETURN

HHWS HEATING HOT WATER SUPPLY

HP HORSEPOWER

IBC INTERNATIONAL BUILDING CODE

IN INCH

LAT LEAVING AIR TEMPERATURE

LWT LEAVING WATER TEMPERATURE

MBTUH 1,000 BTUH

MCA MINIMUM CIRCUIT AMPACITY

MOCP MAXIMUM OVERCURRENT PROTECTION

MUA MAKE UP AIR

NC NEW CONNECTION / NOISE CRITERIA

NG NATURAL GAS

OA OUTSIDE AIR

OAL OUTSIDE AIR LOUVER

OBD OPPOSED BLADE DAMPER

PTAC PACKAGED TERMINAL AIR CONDITIONING

RA RETURN AIR

RG RETURN AIR GRILLE

RPM REVOLUTIONS PER MINUTE

RTU ROOFTOP UNIT

SA SUPPLY AIR

SD SMOKE DAMPER

SF SQUARE FEET

SR SUPPLY AIR REGISTER

TAB TEST AND BALANCE

TOD TOP OF DUCT

VAV VARIABLE AIR VOLUME

VD VOLUME DAMPER

VFD VARIABLE FREQUENCY DRIVE

WG WATER GAUGE

ABBREVIATIONS

LIMIT OF DEMOLITION

FLEX-DUCT

ROUND DUCT

(INSIDE DIMENSIONS: DIAMETER)AØ

45° BRANCH TAKE-OFF FITTING

MECHANICAL LEGEND

1. THESE DRAWINGS ARE DIAGRAMMATIC IN NATURE AND INDICATIVE OF WORK TO BE

PROVIDED (FURNISHED AND INSTALLED) UNDER THIS CONTRACT. DRAWINGS

SHOULD NOT BE SCALED.

2. THE CONTRACTOR IS RESPONSIBLE TO EXAMINE THE EXISTING CONDITIONS UNDER

WHICH THEY SHALL OPERATE AND VERIFY THE EXTENT OF WORK REQUIRED TO

COMPLETE THE WORK UNDER THIS CONTRACT.

3. PRIOR TO ORDERING AND FABRICATING ANY EQUIPMENT, IT IS THE RESPONSIBILITY

OF THE CONTRACTOR TO EXAMINE THE PHYSICAL CONDITIONS AT THE PROJECT

SITE AND VERIFY SPACE AND SUFFICIENT CLEARANCES ARE AVAILABLE FOR

INSTALLING EQUIPMENT, DUCTWORK, PIPING, AND APPURTENANCES, AND TO

DETERMINE ANY NECESSARY MODIFICATIONS.

4. PERFORM ALL WORK IN COMPLIANCE WITH ALL APPLICABLE FEDERAL, STATE, AND

LOCAL CODES, REGULATIONS, AND STANDARDS ADOPTED BY THE AUTHORITY

HAVING JURISDICTION. IF CONFLICTS EXIST BETWEEN THESE ENGINEERING

DOCUMENTS AND CODES, THE MOST STRINGENT REQUIREMENTS SHALL GOVERN.

5. ALL CONSTRUCTION WORK SHALL ALSO MEET THE FOLLOWING CODE

REQUIREMENTS:

· INTERNATIONAL BUILDING CODE (IBC) 2020

· INTERNATIONAL EXISTING BUILDING CODE 2020

· IBC MECHANICAL 2020

· IBC PLUMBING 2020

· IBC ENERGY CONSERVATION 2020

· NFPA 1-2018, THE UNIFORM FIRE CODE

· NFPA 101-2018, THE LIFE SAFETY CODE

· NFPA 51B-2014, STANDARD FOR FIRE PREVENTION DURING WELDING, CUTTING

AND OTHER HOT WORK

· NFPA 13-2016, STANDARD FOR THE INSTALLATION OF SPRINKLER SYSTEMS

· NFPA 70-2017, NATIONAL ELECTRICAL CODE

· NFPA 90A-2018, STANDARD FOR THE INSTALLATION OF AIR CONDITIONING AND

VENTING SYSTEMS.

· NFPA 99-2018, STANDARD FOR HEALTH CARE FACILITIES

· NFPA 241-2013, STANDARD FOR SAFEGUARDING CONSTRUCTION, ALTERATION

AND DEMOLITION OPERATIONS.

· ALL APPLICABLE VA DESIGN MANUALS

6. CONTRACTOR SHALL COORDINATE AND SEQUENCE DEMOLITION, CLEANING, AND

CONSTRUCTION WORK.

7. CONTRACTOR SHALL NOTE ANY SPECIAL REQUIREMENTS FOR INSTALLATION OF

WORK UNDER THIS CONTRACT. DISMANTLE AND REASSEMBLE EQUIPMENT AS

NECESSARY FOR ENTRY INTO THE BUILDING AND THE LOCATION OF INSTALLATION.

8. THE CONTRACTOR SHALL MAINTAIN A COMPLETE PROJECT SCHEDULE AND SHALL

UPDATE THIS SCHEDULE WEEKLY. ANY CHANGES SHALL BE NOTED AND AN

UPDATED SCHEDULE SHALL BE PROVIDED TO THE OWNER.

9. ALL PERMITS, FEES, TAXES, ETC SHALL BE PAID BY CONTRACTOR AS PART OF THE

TOTAL PROJECT COST.

10. MAINTAIN THE INTEGRITY OF ALL FIRE AND SMOKE RATED WALLS, PARTITIONS,

CEILINGS, AND FLOORS. SEAL ALL PENETRATIONS THROUGH RATED ASSEMBLIES

WITH FIRESTOP MATERIAL IN ACCORDANCE WITH U.L. REQUIREMENTS TO MAINTAIN

THE ASSEMBLY RATING.

11. CONTRACTOR SHALL FURNISH U.L. APPROVED DRAWINGS FOR EACH TYPE OF FIRE

AND SMOKE RATED ASSEMBLY PENETRATION BY DUCTS, PIPES, OR CONDUITS, AND

SHALL DISPLAY THESE DRAWINGS ON THE JOB SITE AT ALL TIMES DURING

CONSTRUCTION.

12. CONTRACTOR SHALL REFER TO ALL DETAILS FOR PROPER GUIDANCE.

13. THE CONTRACTOR SHALL SUBMIT SHOP DRAWINGS AND EQUIPMENT SUBMITTALS

FOR ALL PRODUCTS USED ON PROJECT.

14. THE ENGINEER'S APPROVAL OF SUBMITTAL DATA SHALL NOT RELIEVE THE

CONTRACTOR OF RESPONSIBILITY FOR DEVIATIONS FROM THE REQUIREMENTS OF

CONTRACT DOCUMENTS UNLESS THE CONTRACTOR HAS RECEIVED WRITTEN

APPROVAL FROM THE ENGINEER TO THE SPECIFIC DEVIATION. THE ENGINEER'S

APPROVAL OF SUBMITTAL DATA SHALL NOT RELIEVE THE CONTRACTOR OF

RESPONSIBILITY FOR ERRORS OR OMISSIONS IN HIS OR HER SUBMITTAL DATA.

15. THE CONTRACTOR IS REQUIRED TO SUBMIT THREE COMPLETE O&M MANUALS IN

THREE RING BINDERS AT SUBSTANTIAL COMPLETION. MANUALS SHALL INCLUDE

INSTALLATION AND MAINTENANCE DATA ON ALL NEW EQUIPMENT AND MATERIALS,

CERTIFIED TECHNICAL PRODUCT DATA, EQUIPMENT SHOP DRAWINGS, SPARE PARTS

DATA, ETC. PROVIDE AN INDEX AND ASSOCIATED DIVIDERS.

16. CLOSE OUT DOCUMENTS: THE CONTRACTOR IS TO MAINTAIN ONE SET OF

CONSTRUCTION DRAWINGS ON SITE AND KEEP CURRENT WITH MARK UP AS-BUILT

CONDITIONS DURING CONSTRUCTION OF THE PROJECT. THIS SET IS TO INCLUDE

ALL CONTRACT CHANGES, MODIFICATIONS, AND CLARIFICATIONS. THIS SET ALONG

WITH ALL SHOP DRAWINGS SHALL BE TURNED OVER TO THE ARCHITECT/ENGINEER

AFTER CONSTRUCTION COMPLETION.

17. IT IS THE RESPONSIBILITY OF ALL BIDDERS TO THOROUGHLY REVIEW AND

UNDERSTAND ALL CONSTRUCTION DOCUMENTS. THIS INCLUDES BUT IS NOT LIMITED

TO ALL DRAWINGS, SPECIFICATION SECTIONS, ETC. THE DRAWINGS ARE SCHEMATIC

IN NATURE. THEREFORE BEFORE STARTING ANY WORK, THE CONTRACTOR SHALL

REVIEW ALL OTHER CONSTRUCTION DOCUMENTS, VERIFY FIELD CONDITIONS AND

SHALL MAKE ANY REQUIRED MINOR ADJUSTMENTS WITHOUT EXTRA COST TO THE

OWNER. ANY MAJOR DISCREPANCIES FOUND SHALL BE BROUGHT TO THE

ATTENTION OF THE ARCHITECT/ENGINEER. THE BASE BID SHALL REFLECT THE

TOTAL COST OF NEW EQUIPMENT INSTALLATION. THIS INCLUDES LABOR, EQUIPMENT

AND MATERIALS. NO CHANGE ORDERS SHALL BE ISSUED WITHOUT WRITTEN

CONSENT AND APPROVAL FROM ENGINEER AND ARCHITECT.

GENERAL NOTESMECHANICAL NOTES

1. CONTRACTOR IS RESPONSIBLE FOR VERIFICATION OF FIELD CONDITIONS PRIOR TO BEGINNING WORK AND ORDERING EQUIPMENT, AND FOR COORDINATING NEW EQUIPMENT DIMENSIONS AND MEANS AND METHODS FOR

INSTALLATION WITH FIELD CONDITIONS.

2. CONTRACTOR IS RESPONSIBLE TO COORDINATE WITH SUBMITTED EQUIPMENT TO ENSURE ALL INLET/OUTLET CONNECTIONS COORDINATE WITH FIELD INSTALLED DUCTWORK AND MAKE ANY NECESSARY DUCT MODIFICATIONS

TO ENSURE PROPER OPERATION OF MECHANICAL EQUIPMENT.

3. SUBMITTALS SHALL MEET SCHEDULED DESIGN CHARACTERISTICS, INCLUDING BUT NOT LIMITED TO CFMS, EAT(DB/WB), ESP, CAPACITIES, VOLTAGES/PHASES, MCA/MOCP, SONES, ETC.

4. ALL DUCT CONSTRUCTION, INSTALLATION, AND SUPPORTS ARE TO COMPLY WITH LATEST EDITION OF SMACNA'S HVAC DUCT CONSTRUCTION STANDARDS METAL AND FLEXIBLE DUCT. ALL DUCTWORK SHALL BE 2" PRESSURE

CLASS UNLESS OTHERWISE NOTED.

5. INSULATE ALL DUCTWORK ACCORDING TO SPECIFICATIONS.

6. ALL WALL-MOUNTED THERMOSTATS AND/OR TEMPERATURE SENSORS SHALL BE INSTALLED AT AN ELEVATION OF 48" ABOVE FINISHED FLOOR TO THE TOP UNLESS OTHERWISE NOTED ON DRAWINGS. LOCATION OF WALL-MOUNTED THERMOSTATS SHALL BE COORDINATED WITH OTHER TRADES FOR A NEAT APPEARANCE. FINAL LOCATION OF THERMOSTATS SHALL BE SUBJECT TO THE APPROVAL OF THE ENGINEER OR REPRESENTATIVE IN

THE FIELD.

7. ALL SUPPLY AIR DIFFUSERS SHALL BE 4-WAY THROW UNLESS NOTED OTHERWISE. CONTRACTOR SHALL PAINT INSIDE EACH RETURN GRILLE'S PLENUM AND DUCT CONNECTION FLAT BLACK TO CONCEAL CONNECTION.

COORDINATE AIR DEVICE LOCATIONS WITH LIGHTING FIXTURES AND FIRE SPRINKLER HEADS. PRIOR TO INSTALLATION, THE CONTRACTOR IS TO REFER TO THE ARCHITECTURAL REFLECTED CEILING PLAN FOR ACTUAL

FINAL LOCATIONS OF AIR DEVICES.

8. DIFFUSERS/GRILLES SHALL NEVER BE INSTALLED ON SURFACE OF ACOUSTICAL LAY-IN TILE. ALL DIFFUSERS/GRILLES IN LAY-IN CEILINGS SHALL BE LAY-IN PANEL MOUNT. REFER TO SCHEDULE. GYPSUM BOARD

SURFACE MOUNT DIFFUSERS SHALL NOT BE BEVEL MOUNT.

9. CONTRACTOR SHALL COORDINATE DIFFUSER/GRILLE LOCATIONS WITH STRUCTURE IN EXPOSED SITUATIONS IN ORDER TO ENSURE AIR IS NOT DIRECTLY SUPPLIED OR RETURNED OVER STRUCTURE OR OTHER TRADE COMPONENTS SUCH AS FIRE SPRINKLER PIPING, PLUMBING PIPING, ETC., CAUSING DUST ACCUMULATION.

DUCTWORK ALONG WITH DIFFUSER/GRILLE LOCATIONS SHALL BE INSTALLED SYMMETRICALLY WITH ANY ADJACENT DUCTWORK/GRILLES. CENTER DIFFUSERS/GRILLES BETWEEN STRUCTURAL MEMBERS WHERE DUCTWORK AND STRUCTURAL MEMBERS ARE EXPOSED. CONTRACTOR SHALL BE RESPONSIBLE FOR FINAL

INSTALLATION APPEARANCE AND SHALL MAKE APPROPRIATE CHANGES WHERE DIRECTED BY

ARCHITECT/ENGINEER AT THEIR OWN EXPENSE WHERE ITEMS ARE NOT INSTALLED PER ABOVE STANDARDS.

10. CONTRACTOR SHALL PROVIDE A COPY OF THE TEST AND BALANCE REPORT BY AN AABC OR NEBB CERTIFIED AGENCY. THIS REPORT MUST BE REVIEWED AND APPROVED BY THE ENGINEER PRIOR TO THE FINAL INSPECTION.

THE CONTRACTOR MUST ALSO PROVIDE ALL REPORTS REQUIRED BY THE SPECIFICATION. OUTDOOR TEMPERATURE (DB); OUTSIDE AIR (DB/WB & CFM); SUPPLY AIR AT UNIT DISCHARGE (DB/WB & CFM); RETURN AIR {MIXED} (DB/WB & CFM); LEAVING COIL (DB/WB); DIFFUSER/GRILLE (DB/WB); EQUIPMENT (EWT/LWT); EQUIPMENT (EAT/LAT); EQUIPMENT (GPM); EQUIPMENT (PRESSURES). OUTSIDE AIR CFM SHALL BE MEASURED DIRECTLY AND

NOT CALCULATED FROM THE DIFFERENCE BETWEEN SUPPLY AIR CFM AND RETURN AIR CFM.

11. CONTRACTOR SHALL MAKE NECESSARY ADJUSTMENTS DURING TEST AND BALANCE AS REQUIRED TO ENSURE EQUIPMENT IS OPERATING WITHIN 10% OF THE SPECIFIED CRITERIA. THIS INCLUDES, BUT IS NOT LIMITED TO, ADJUSTING BELTS, SHEAVES, PULLEYS, AND IMPELLERS.

12. ALL AIR HANDLING UNITS SHALL BE MECHANICALLY ATTACHED TO OTHER AIR DISTRIBUTION SYSTEM COMPONENTS. AIR HANDLING UNITS LOCATED OUTSIDE THE CONDITIONED SPACE SHALL BE SEALED USING APPROVED CLOSURE SYSTEMS CONFORMING TO THE APPROVED CLOSURE AND MECHANICAL APPLICATION

REQUIREMENTS OF FLORIDA BUILDING CODE.

13. ALL DUCTWORK MUST BE INSTALLED 6" AWAY FROM ANY FIRE RATED WALL TO FACILITATE INSPECTION.

14. WHEN DUCTWORK IS INSTALLED 12 FT. OR MORE ABOVE THE FINISHED FLOOR, WRITE DUCT SIZES IN LARGE FONT ON THE BOTTOM OF DUCTWORK, SUCH THAT DUCT SIZES CAN BE OBSERVED AT FLOOR LEVEL WITHOUT THE NEED

OF A LADDER OR MEASUREMENTS.

15. THE GENERAL CONTRACTOR IS RESPONSIBLE FOR ALL TRADES INSTALLATION SCHEDULES. FIXED WORK SUCH AS DUCTWORK AND PLUMBING SHALL BE INSTALLED PRIOR TO ANY TRADE WORK THAT CAN BE EASILY RELOCATED OR OFFSET SUCH AS ELECTRICAL CONDUITS, SMALL WATER LINES, ETC. IDEALLY DUCTWORK SHALL BE INSTALLED

FIRST.

16. PROVIDE A FIRE DAMPER AT EVERY DUCT PENETRATION OF A FIRE-RATED WALL OR CEILING, WHETHER SHOWN ON DRAWINGS OR NOT. ALL FIRE DAMPERS SHALL BE DYNAMIC TYPE WITH BLADES OUTSIDE AIRSTREAM, UNLESS

NOTED OTHERWISE.

17. PROVIDE FIRE, SMOKE, AND COMBINATION FIRE/SMOKE DAMPERS AT EVERY LOCATION WHERE REQUIRED BY SECTION 607.5 OF THE IBC-MECHANICAL, WHETHER SHOWN ON DRAWINGS OR NOT. PROVIDE PROPER DAMPER ACTUATION IN ACCORDANCE WITH SECTION 607.3.3 OF THE IBC-MECHANICAL. PROVIDE ACCESS AND

IDENTIFICATION IN ACCORDANCE WITH SECTION 607.4 OF THE IBC-MECHANICAL.

18. WHERE SMOKE OR COMBINATION FIRE/SMOKE DAMPERS ARE REQUIRED, THE ELECTRICAL OR FIRE ALARM CONTRACTOR (MECHANICAL CONTRACTOR TO COORDINATE) SHALL PROVIDE 120V POWER AND ENSURE PROPER OPERATION UPON ACTIVATION. PROVIDE PROPER DAMPER ACTUATION IN ACCORDANCE WITH SECTION 607.3.3.2

OF THE FBC-MECHANICAL.

19. PROVIDE SMOKE DAMPERS FOR ALL SYSTEMS WITH DESIGN CAPACITY GREATER THAN 15,000 CFM TO ISOLATE AIR HANDLING UNIT FROM THE REMAINDER OF THE SYSTEM ON BOTH THE SUPPLY AND RETURN SIDE, UNLESS THE AIR HANDLING UNIT IS LOCATED ON THE FLOOR IT SERVES AND SERVES ONLY THAT FLOOR, OR UNLESS THE AIR HANDLING UNIT IS LOCATED ON THE ROOF AND SERVES ONLY THE FLOOR IMMEDIATELY BELOW THE ROOF.

20. PROVIDE A DUCT SMOKE DETECTOR IN THE SUPPLY AIR DUCT, DOWNSTREAM OF THE AIR FILTERS AND AHEAD OF ANY BRANCH CONNECTIONS, FOR ALL SYSTEMS HAVING A DESIGN CAPACITY GREATER THAN 2,000 CFM.

21. PROVIDE DUCT SMOKE DETECTORS WHERE REQUIRED BY SECTION 606.2 AND 607.3.3.2 OF THE IBC-MECHANICAL.

LOCATIONS OF DUCT MOUNTED SMOKE DETECTORS SHOWN ON DRAWINGS ARE DIAGRAMMATIC IN LOCATION ONLY. FINAL PLACEMENT OF DETECTORS IN DUCTWORK SHALL MEET THE REQUIREMENTS OF THE MANUFACTURER'S INSTALLATION INSTRUCTIONS. PROVIDE A PRESSURE DIFFERENTIAL TEST AND MANUFACTURER'S TEST KIT. A COPY OF ALL TEST DATA SHALL BE MADE AVAILABLE AT FINAL INSPECTION.

PROVIDE A READILY ACCESSIBLE DUCT ACCESS DOOR FOR INSPECTING AND SERVICING EACH DETECTOR.

PROVIDE CEILING/WALL ACCESS PANELS WHERE INSTALLED IN INACCESSIBLE LOCATIONS; ACCESS PANELS IN RATED CONSTRUCTION SHALL BEAR A U.L. LABEL. MECHANICAL CONTRACTOR SHALL FURNISH AND INSTALL DETECTOR WITHIN THE DUCTWORK. ELECTRICAL OR FIRE ALARM CONTRACTOR (MECHANICAL CONTRACTOR TO COORDINATE) SHALL PROVIDE 120V POWER AND ENSURE PROPER OPERATION FOR EACH DETECTOR. OTHER THAN IN MECHANICAL SMOKE CONTROL SYSTEMS, UPON ACTIVATION, THE ASSOCIATED AIR DISTRIBUTION SYSTEM SHALL SHUT DOWN AND A SUPERVISORY SIGNAL SHALL BE GENERATED PER SECTION 606.4 OF THE

FBC-MECHANICAL.

22. PENETRATIONS FOR PIPES, CONDUITS OR OTHER PURPOSES THROUGH ASSEMBLIES (FLOORS, ROOF, WALLS, PARTITIONS, ETC.) WITH A REQUIRED FIRE RESISTANCE RATING SHALL BE SEALED TO THE PENETRATING MEMBER IN AN APPROVED MANNER WHICH MAINTAINS THE REQUIRED FIRE RESISTANCE RATING OF THE ASSEMBLY.

23. INTENT OF MECHANICAL NOTES ON DRAWINGS IS TO CLARIFY THE SCOPE OF WORK AND ALERT CONTRACTOR OF EXISTING CONDITIONS. CONTRACTOR IS TO VISIT THE SITE AND VERIFY ALL CLEARANCES BEFORE FABRICATION OF DUCTWORK, AND PROVIDE ADDITIONAL OFFSET AND/OR CHANGES IN DUCT SIZES TO MEET FIELD CONDITIONS, AND TO COORDINATE WITH ELECTRICAL, PLUMBING, AND FIRE PROTECTION SUBCONTRACTORS, BEFORE ANY

CONSTRUCTION WORK.

24. FLEXIBLE AND RIGID ROUND DUCT TAKE-OFFS FOR DIFFUSERS SHALL BE THE SAME SIZE AS DIFFUSER NECK.

MAXIMUM FLEXIBLE DUCT LENGTH SHALL BE 5'-0".

25. INSTALL DUCTWORK AS HIGH AS POSSIBLE, TIGHT TO BOTTOM OF STRUCTURE, UNLESS NOTED OTHERWISE.

COORDINATE DUCT ELEVATIONS WITH RAIN LEADERS, WATER PIPING, SANITARY DRAINS, AND MAJOR ELECTRICAL

CONDUITS.

26. CONTRACTOR SHALL PROVIDE ALL SUPPLEMENTARY STEEL, STRUCTURES, INSERTS, SLEEVES, AND HANGING DEVICES REQUIRED TO INSTALL AND ADEQUATELY SUPPORT MECHANICAL EQUIPMENT AND COMPONENTS IN A MANNER WHICH WILL NOT OVERLOAD BUILDING STRUCTURE. CONTRACTOR SHALL COORDINATE WITH GENERAL CONTRACTOR AND ALL BUILDING TRADES TO AVOID CONFLICTS AND TO MAINTAIN EQUIPMENT ACCESS AND

SERVICEABILITY.

27. CONTRACTOR SHALL INSTALL MOTORIZED OUTSIDE AIR DAMPERS FOR ALL AIR HANDLING EQUIPMENT. AIR HANDLING UNITS SHALL HAVE AN EQUIVALENT OR BETTER OF RUSKIN "CD50" DAMPER, WHICH SHALL MODULATE

PER 24V ACTUATOR MECHANICALLY WIRED. ALL DAMPERS SHALL CLOSE UPON UNIT SHUTDOWN.

28. PROVIDE A TRAP IN ALL CONDENSATE PIPING LOCATED AT THE AIR HANDLING EQUIPMENT. INSULATE ALL CONDENSATE LINES WITH 1/2" CLOSED CELL FOAM INSULATION. ALL PIPING EXPOSED TO EXTERNAL ELEMENTS

SHALL BE JACKETED WITH UV STABILIZED PVC OR ALUMINUM SHEETING.

29. PROVIDE A 4" HIGH CONCRETE HOUSEKEEPING PAD UNDER ALL MECHANICAL EQUIPMENT, UNLESS NOTED

OTHERWISE. PADS SHALL BE 4" LARGER THAN EQUIPMENT ON ALL SIDES.

30. ALL UNDERGROUND PIPING SHALL HAVE A MINIMUM 3'-0" OF COVER, UNLESS NOTED OTHERWISE.

31. IT IS THE RESPONSIBILITY OF THE MECHANICAL INSTALLER TO PATCH AND REPAIR ANY DUCT OPENINGS WHICH RESULT FROM THE RELOCATION OR ELIMINATION OF ANY EXISTING AIR DEVICES. THE PATCH IS TO BE OF A SIMILAR MATERIAL TO THE REPAIRED DUCT AND TO BE SEALED IN ACCORDANCE WITH SMACNA STANDARDS.

32. AIR HANDLING EQUIPMENT WARRANTIES SHALL BE EQUAL TO OR EXCEED WARRANTY OF SCHEDULED EQUIPMENT, UNLESS NOTED OTHERWISE.

33. PROVIDE SEISMIC RESTRAINTS FOR DUCTWORK AND PIPING CONFORMING TO THE LATEST EDITION OF THE "SMACNA GUIDELINES FOR SEISMIC RESTRAINTS OF MECHANICAL SYSTEMS AND PLUMBING SYSTEMS."

34. PROVIDE ADDITIONAL DUCTWORK AND PIPING SUPPORTS ON BOTH SIDES AND WITHIN 18" OF EACH FIRE RATED

WALL. DUCTWORK OR PIPING SHALL NOT BE SUPPORTED FROM ANY FIRE RATED WALL.

35. PROVIDE SINGLE WALL TURNING VANES IN ALL RECTANGULAR DUCT ELBOWS WITH ANGLES FROM 45 DEGREES TO 90 DEGREES, EXCEPT FOR TRANSFER AIR ELBOWS. TURNING VANES SHALL BE PROVIDED ACCORDING TO SMACNA

HVAC DUCT CONSTRUCTION STANDARDS METAL AND FLEXIBLE.

36. DUCT DIMENSIONS SHOWN ON DRAWINGS ARE CLEAR INSIDE DIMENSIONS (FREE AREA).

37. CONTRACTOR SHALL COORDINATE ALL INTAKE/EXHAUST LOCATIONS TO ENSURE MINIMUM 10'-0" DISTANCE

BETWEEN ANY INTAKES AND EXHAUSTS, PLUMBING VENTS, RELIEF, ETC.

38. ALL HVAC EQUIPMENT SHALL BE INSTALLED PER MANUFACTURER'S RECOMMENDATIONS UNLESS INDICATED

OTHERWISE.

39. CONTRACTOR SHALL THOROUGHLY CLEAN AND ENSURE PROPER OPERATION OF ANY EXISTING HVAC EQUIPMENT.

ANY CHANGE TO THE SYSTEM SHALL RESULT IN EQUIPMENT MODIFICATIONS (AS REQUIRED) INCLUDING BUT NOT

LIMITED TO REPLACING MOTORS, VFDS, PULLEYS, SHEAVES, BELTS, ETC.

40. MECHANICAL CONTRACTOR SHALL SIZE AND INSTALL REFRIGERANT PIPING PER MANUFACTURER'S RECOMMENDATIONS. REFRIGERANT PIPING SHALL BE TYPE "L" COPPER WITH SOLDERED OR BRAZED JOINTS AND 1" CLOSED CELL INSULATION. ALL PIPING EXPOSED TO EXTERNAL ELEMENTS SHALL BE JACKETED WITH UV STABILIZED PVC OR ALUMINUM SHEETING. PRE-CHARGED LINES AND SOLDER ON SHORT 90'S ARE NOT ACCEPTABLE. CONTRACTOR SHALL USE SWEEPING 90'S AT EVERY BEND WITH EXCEPTION OF EQUIPMENT

CONNECTIONS.

41. CONTRACTOR SHALL PROVIDE A PERMANENT/PROFESSIONAL LABEL FOR EACH PIECE OF EQUIPMENT, ASSOCIATED THERMOSTAT(S) AND/OR SENSOR(S).

42. EQUIPMENT LOCATION IDENTIFICATIONS AT CEILINGS: WHERE VALVES, EQUIPMENT SUCH AS VAV BOXES, FANS, ETC., CIRCUIT BREAKERS, OR OTHER ITEMS SUBJECT TO ROUTINE SERVICE, ARE MOUNTED IN A CONCEALED AREA ABOVE A CEILING, THE CEILING MUST BE MARKED WITH A LABEL UNDER THE SERVICED DEVICE. THE LABEL SHALL

CARRY APPROPRIATE IDENTIFICATION TAG.

43. DUCTWORK, DIFFUSERS, REGISTERS, GRILLES, AND OTHER MECHANICAL SYSTEM COMPONENTS SHALL NOT BE

SUPPORTED BY THE CEILING OR CEILING SUSPENSION SYSTEM.

44. METAL DUCTWORK SHALL BE CONNECTED TO MECHANICAL EQUIPMENT WITH FLEXIBLE DUCT CONNECTORS EQUAL TO DURO DYNE "SUPER METAL-FAB" WITH EXCELON FABRIC; "GRIP LOC" SEAM; 24 GAGE METAL TABS. INSULATION

SHALL BE INSTALLED OVER METAL TABS AS TO NOT CAUSE FRICTION ON FABRIC.

45. ALL EXHAUST DUCT WORK SHALL BE NON-INSULATED SHEET METAL, UNLESS NOTED OTHERWISE.

46. ALL FLEXIBLE DUCTS SHALL BE LISTED AND LABELED TO UL 181 AND SHALL BE CLASS 0 OR CLASS 1. FLEXIBLE DUCTS SHALL HAVE A MINIMUM RATED AIR VELOCITY OF 4000 FPM, A MINIMUM POSITIVE PRESSURE RATING OF 4 IN.

WG, AND A MINIMUM NEGATIVE PRESSURE RATING OF 1 IN. WG. ALL FLEXIBLE DUCTS SHALL MEET 2017

INTERNATIONAL BUILDING CODE SECTION 449.3.6.4.

47. CONTRACTOR SHALL SUPPLY PIPE SUPPORTS 4'-0" ON CENTERS FOR REFRIGERANT LINES AND CONDENSATE

LINES. SUPPORTS SHALL BE PER DETAILS.

48. ALL DOOR UNDERCUTS FOR THE PURPOSE OF BALANCING RETURN AIR SHALL BE MINIMUM 1".

49. ALL CONTROL WIRING SHALL BE INCLUDED AS PART OF MECHANICAL WORK; REFER TO ELECTRICAL SPECIFICATIONS FOR CONDUIT AND WIRING REQUIREMENTS. COORDINATE WITH ELECTRICAL CONTRACTOR TO ENSURE THAT REQUIRED INTERFACE DEVICES ARE PROVIDED WITH ELECTRICAL COMPONENTS (I.E. FAN SPEED

RHEOSTATS, AUXILIARY CONTACTS, INTERLOCKS, ETC.).

50. ALL EQUIPMENT DISCONNECTS, WHETHER INTERNALLY MOUNTED OR EXTERNALLY MOUNTED, SHALL BE FURNISHED, INSTALLED AND WIRED BY ELECTRICAL CONTRACTOR. IF EXTERNALLY MOUNTED, PROVIDE DISCONNECTING MEANS AT SAME ELEVATION AS EQUIPMENT. REFER TO ELECTRICAL SPECIFICATIONS FOR

REQUIREMENTS.

51. MECHANICAL CONTRACTOR SHALL COORDINATE ELECTRICAL CHARACTERISTICS AND REQUIREMENTS OF ALL MECHANICAL EQUIPMENT WITH ELECTRICAL CONTRACTOR BEFORE BIDDING/ORDERING AND INSTALLATION.

52. WHERE MOTOR SPEED CONTROL IS REQUIRED, THE CONTRACTOR IS RESPONSIBLE FOR PROVIDING THE APPROPRIATE METHOD OF SPEED CONTROL. TYPICALLY, SINGLE PHASE MOTORS REQUIRE SPEED CONTROLLERS, AND THREE PHASE MOTORS REQUIRE VFD'S.

nstephenson PE Nicholas P. Stephenson - FL nstephenson Snapshot

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(E) CD

(E) CD

(E) CD

(E) CD

(E) CD

(E) CD

(E) CD

(E) CD

(E) EG

(E) RG

(E) RG

T

T

T

T

T

T

(E) CD

(E) 40"X14"

(E) RG

(E) CD 2

(E) RG 2

(E) RG

(E) 34"X16"

(E) 48"X10"

(E ) 3

2" X1

6"

(E )1

8" X1

2"

(E )2

0" X1

0"

U.S. Department of Veterans Affairs strollo & strollo 718 Virginia Drive

Orlando, FL. 32803 T: (407) 423-5355 F: (407) 422-5994

MES Group, Inc.

550 North Reo Street, Suite 203 Tampa, FL, 33609 813.289.4700 mes group

COA # 8304

MECHANICAL DEMOLITION

PLAN

GENERAL NOTES

A. EXISTING CONDITIONS ARE BASED ON RECORD DOCUMENTS AND FIELD

OBSERVATION. NOTIFY ENGINEER OF ANY DISCREPANCIES BETWEEN

THESE DRAWINGS AND EXISTING CONDITIONS PRIOR TO DISTURBING

EXISTING INSTALLATION.

B. ALL SERVICE INTERRUPTIONS TO THIS EXISTING FACILITY MUST BE

SCHEDULED AT LEAST 3 WEEKS IN ADVANCE AND BE KEPT TO A

MINIMUM. COORDINATE ALL DISRUPTIVE WORK AND OUTAGE

REQUIREMENTS WITH THE VA/COR.

C. CONTRACTOR TO FIELD VERIFY ALL CONNECTION POINTS TO EXISTING

SYSTEM PIPING AND DUCTWORK AND IDENTIFY ALL RISERS AFFECTED.

D. CONTRACTOR TO REMOVE ALL ABANDONED MECHANICAL ITEMS

INCLUDING EQUIPMENT, DUCTWORK, PIPING, VALVES, ACCESSORIES,

ETC. ABOVE THE CEILING WITHIN THE AREA OF WORK, EVEN IF NOT

SHOWN ON DRAWINGS. PROPERLY SEAL ANY OPENINGS CREATED BY

THE REMOVAL OF MECHANICAL ITEMS. COORDINATE WITH VA

PERSONNEL BEFORE THE REMOVAL TO ENSURE ITEM IS ABANDONED.

E. MECHANICAL CONTRACTOR SHALL REVIEW OTHER DISCIPLINES

DRAWINGS AND SHALL DISCONNECT AND MAKE SAFE FOR REMOVAL OF

ALL EQUIPMENT SHOWN TO BE DEMOLISHED.

F. ALL DEMOLISHED EQUIPMENT SHALL BE PRESENTED TO VA FOR

FIRST RIGHT OF REFUSAL

KEYNOTES

1. REMOVE EXISTING CEILING DIFFUSER AND PREPARE FOR RELOCATION.

SEE MH100 FOR NEW LOCATION.

2. DEMOLISH EXISTING CEILING DIFFUSER/RETURN GRILLE. CAP

DUCTWORK BACK AT MAIN.

3. THERMOSTAT TO BE RELOCATED AND ASSOCIATED WIRING TO BE

REMOVED. SEE MH100 FOR NEW LOCATION.

X

MD100

nstephenson PE Nicholas P. Stephenson - FL

RADIOGRAPHIC

CONTROL

A-105

ROOM

HOUSE-

KEEPINGKEEPING

HOUSE-

A-112A-112 A-111A-111

A-104

58.60n.s.f.

77.16n.s.f.

299.00n.s.f.

C O

R R

I D

O R

A V O

A V O

A V O

A V O

C O

R R

I D

O R

C

-1

R/F ROOM

MULTIPURPOSE

ASSISTANT

BATHROOM

A-116p

AUTOMATION

OFFICE

A-116q

F.H.

I.R.

OFFICE

PREP/RECOVERY

PREP/RECOVERY

PREP/RECOVERY

READING

AREA

PREP/RECOVERY

SOILED

LINEN

CATHETERS

SUPPLY

PREP/RECOVERY

SCRUB AREA

NURSE

STATION

LINEN

STORAGE

RECLINERS /

OUTPROCESSING100

ENTRY

C-RENO

CORRIDOR

T

T

T

T

(R) EG

850 CFM

(R) CD

225 CFM

(R) CD

225 CFM

(R) CD

50 CFM

(R) CD

40 CFM

(R) CD

60 CFM

(R) RG

40 CFM

T

T

T

T

(E) 40"X14"

(R) RG

60 CFM

(R) RG

40 CFM

(E) 34"X16"

(E) 48"X10"

(E ) 3

2" X1

6"

(E )1

8" X1

2"

(E )2

0" X1

0"

(R) CD

225 CFM

(R) CD

30 CFM

(R) CD

60 CFM

(R) EG

80 CFM

(R) CD

225 CFM

(R) RG

20 CFM

U.S. Department of Veterans Affairs strollo & strollo 718 Virginia Drive

Orlando, FL. 32803 T: (407) 423-5355 F: (407) 422-5994

MES Group, Inc.

550 North Reo Street, Suite 203 Tampa, FL, 33609 813.289.4700 mes group

COA # 8304

MECHANICAL RENOVATION

PLAN

KEYNOTES

1. RELOCATED CEILING DIFFUSER. ENSURE PROPER CONNECTION OF FLEX

DUCT TO RELOCATED DIFFUSERS AND EXTEND DUCTWORK AS

NECESSARY. BALANCE TO CFM SHOWN ON PLAN. COORDINATE WITH

OTHER TRADES. TYPICAL.

2. RELOCATED THERMOSTAT. PLACE AT 48" AFF AND EXTEND WIRING AS

NECESSARY.

3. RELOCATED RETURN/EXHAUST GRILLE. ENSURE PROPER CONNECTION

OF NEW DUCTWORK TO EXISTING. COORDINATE WITH OTHER TRADES.

TYP.

X

MH100

nstephenson PE Nicholas P. Stephenson - FL

U.S. Department of Veterans Affairs strollo & strollo 718 Virginia Drive

Orlando, FL. 32803 T: (407) 423-5355 F: (407) 422-5994

MES Group, Inc.

550 North Reo Street, Suite 203 Tampa, FL, 33609 813.289.4700 mes group

COA # 8304

MECHANICAL DETAILS

M-501

20° TRANSITION (MAX)

0.25 D (4" MIN. PER SMACNA)

RECTANGULAR DUCT

D

VOLUME DAMPER

CONICAL FITTING WITH LOCKING

TYPE VOLUME DAMPER.

FLEX DUCT OR ROUND SHEET METAL DUCT. FLEX DUCT

MAX. 8'-0" LONG, USE CLAMP TO ATTACH FLEX DUCTS AND

SEAL. SUPPORT DUCT EVERY FOUR FEET FROM

STRUCTURE

1.

D

DUCT DETAILS NTS

PROVIDE VOLUME

DAMPER WHEN SHOWN

ON PLANS

PROVIDE VOLUME

DAMPER WHEN SHOWN

ON PLANS

MAIN SUPPLY DUCT

ADJUSTABLE METAL

ROD OR LINKAGE

TOP REGISTER

MAIN SUPPLY DUCT

BRANCH DUCT

1/4W 4" MIN.

SEE PLAN FOR SPLIT DIMENSION

MAIN SUPPLY

DUCT

TURNING VANES

SQUARE ELBOW SHOWN.

PROVIDE ROUND ELBOW

WHEN SHOWN ON PLANS

SUPPLY REGISTER

OR BRANCH DUCT

PLAN VIEW

AIR SPLIT TYPE DUCT TAKE-OFF

PLAN VIEW

BRANCH DUCT TAKE-OFF

PLAN VIEW

SUPPLY REGISTER TAKE-OFF

SUPPLY DUCT TAKE-OFFS NTS

SUPPORT AS PER

SMACNA STANDARDS

SPIN-IN FITTING WITH BUTTERFLY

DAMPER & 45° EXTRACTOR

ROUND "SNAPLOCK" SHEET METAL OR SPIRAL

LOCKSEAM WITH WRAP INSULATION

(SAME AS DIFFUSER NECK)

FLEXIBLE DUCT: DO NOT SAG

OR KINK, INSULATED,

MAXIMUM 8'-0" LONG (SAME

SIZE AS DIFFUSER NECK)

THREE SHEET METAL

SCREWS THROUGH HELIX OF

FLEXIBLE DUCT, BAND CLAMP

& TAPE

2" WRAP INSULATION:

CUT, FIT & GLUED OVER

CEILING DIFFUSER

CEILING DIFFUSERCEILING

SUPPLY DUCT

SUPPORT STRAP TO PREVENT

SAGS & KINKS

IN FLEX (PER SMACNA)

* FLEXIBLE DUCT SHALL HAVE CONTINUOUS METAL LINER ENCASED BY INSULATING MATERIAL WITH AN OUTER VAPOR JACKET CONFORMING TO UL181 UNLESS THE FLEX DUCT MEETS THE CRITERIA STATED IN 2017 FLORIDA

BUILDING CODE-BUILDING SECTION 449.3.6.4.

CEILING DIFFUSER RUNOUT DETAIL NTS3

nstephenson PE Nicholas P. Stephenson - FL