CL W 1 1/2W 1R. 2 RADIUS - Ford Construction

CONFERENCE

102

HALLWAY

103

OPEN OFFICE104

SERVER101

OPEN OFFICE100

B

A

C

D

1 2 3 4 5

D

MECHANICAL - OVERALL FLOOR PLAN

SCALE: NTS

NORTH

SHEET #:

PROJECT #:

DATE:

REV. DATE:DESC.

19-130

11/27/19

FOR CONSTRUCTION

CDOT OFFICE RENOVATION

222 SOUTH 6TH STREETGRAND JUNCTION, CO 81503

BighornConsultingEngineers, Inc.Mechanical & Electrical Engineers386 Indian RoadGrand Junction, CO 81501phone: 970-241-8709,

M1-1

MECHANICAL - TITLE SHEET

MECHANICAL PROVISIONS

1. SCOPE OF WORK

A. THE CONTRACTOR IS RESPONSIBLE FOR ALL WORK, MATERIALS,

AND LABOR TO SATISFY A COMPLETE WORKING SYSTEM WHETHER

SPECIFIED OR IMPLIED.

B. ALL WORK IS TO BE PERFORMED IN STRICT COMPLIANCE WITH

ALL LOCAL CODES AND ALL OTHER REGULATION GOVERNING WORK

OF THIS NATURE.

C. THE CONTRACTOR SHALL, BEFORE SUBMITTING ANY PROPOSAL,

EXAMINE THE PROPOSED SITE AND SHALL DETERMINE FOR HIMSELF

THE CONDITIONS THAT MAY EFFECT THE WORK. NO ALLOWANCE SHALL

BE MADE IF THE CONTRACTOR FAILS TO MAKE SUCH EXAMINATIONS.

D. ALL EQUIPMENT AND MATERIALS SHALL BE AS SPECIFIED OR

"APPROVED EQUAL" BY THE ENGINEER OR ARCHITECT.

2. PERMITS

A. THE CONTRACTOR SHALL SECURE ALL PERMITS OR APPLICATIONS AND

PAY ANY AND ALL FEES.

3. SHOP DRAWINGS

A. SUBMIT MATERIAL LIST AND SHOP DRAWINGS FOR MAJOR EQUIPMENT

TO THE ACHITECT/ENGINEER FOR APPROVAL. THE CONTRACTOR SHALL

SUBMIT FIVE SETS OF SHOP DRAWINGS AND THEY SHALL BE CLEARLY

LABELED.

4. FLEXIBLE DUCT WORK

A. FLEXIBLE TYPE DUCT SHALL BE OF TWO ELEMENT SPIRAL CONSTRUCTION

COMPOSED OF A CORROSION RESISTANT METAL SUPPORTING SPIRAL AND

COATED FABRIC WITH A MINERIAL BASE. FLEXIBLE DUCT CONNECTORS

SHALL BE LISTED BY U.L., CLASS 1 DUCTS, AND SHALL HAVE A

FLAME SPREAD RATING NOT EXCEEDING 25 AND A SMOKE DEVELOPED

RATING NOT EXCEEDING 50.

B. USE OF FLEXIBLE DUCTWORK SHALL BE LIMITED TO NO MORE THAN

6 LINEAR FEET PER RUN.

C. CONTRACTOR SHALL BE CAREFUL SO AS NOT TO KINK OR COLLAPSE

FLEXIBLE DUCT.

5. REFRIGERENT

A. PIPING CONTRACTOR SHALL PROVIDE AND INSTALL REFRIGERANT

PIPING IN ACCORDANCE WITH THE MANUFACTURER'S REC0MMENDATIONS

AND IN SUCH A WAY AS TO BE INCONSPICIOUS AND FREE FROM ANY

POSSIBLE CONDENSATION.

B. INSULATE REFRIGERANT LINES WITH ARMOUR-FLEX TYPE INSULATION,

SHALL BE TYPE "K" COPPER TUBING, WITH WROUGHT COPPER SOLDER

TYPE FITTINGS SUITABLE FOR CONNECTION WITH SILVER SOLDER.

6. DUCTWORK

A. THE DUCTWORK SHALL BE CONSTRUCTED IN ACCORDANCE

WITH THE "SMACNA" APPLICABLE MANUALS.

B. ALL DUCTWORK SHALL BE THE LOW VELOCITY TYPE, UNLESS SPECIFIED

OTHERWISE.

C. CONTRACTOR SHALL PROVIDE AND INSTALL APPROVED FIRE

DAMPERS AND ACCESS PANELS IN ANY AND ALL DUCTWORK WHICH

PENETRATES A HORIZONTAL OR VERTICAL FIRE PARTITION, OR AS

OTHERWISE SHOWN ON DRAWINGS.

D. ALL BRANCH DUCTS TO HAVE VOLUME DAMPERS, SMOOTH TURN RADIUS

DUCTWORK OR TURNING VANES SHALL BE USED THROUGHOUT WHERE FLOW

EXCEEDS 150 CFM.

E. ALL DUCT JOINTS TO BE SEALED IN ACCORDANCE WITH "SMACNA"

STANDARDS AND ACCEPTED GOOD PRACTICE.

F. ALL DUCT DIMENSIONS SHOWN ARE NET INSIDE VALUES.DIMENSIONS MAY BE

CHANGED SO LONG AS THE NET FREE FACE AREA IS MAINTAINED.

G. ALL CONCEALED DUCTWORK SHALL BE INSULATED WITH 1-1/2"

FIBERGLASS INSULATING BLANKET WITH ALUMINUM FOIL FACING.

H. ALL SUPPLY AND RETURN DUCTWORK 15 FEET DOWNSTREAM OF THE HVAC

UNIT SHALL BE INTERNALLY LINED WITH A 1/2" ACOUSTICAL DUCT LINER

UNLESS OTHERWISE NOTED ON THE DRAWINGS.

7. DRAINAGE PIPING

A. (CONDENSATE) SHALL BE SCHEDULE 40 PVC PIPE WITH SOLVENT JOINTS.

PITCH HORIZONTAL LINES 1" IN 10'-0". CONDENSATE DRAINS SHALL BE

ROUTED TO FLOOR DRAIN, ROOF DRAIN OR INDIRECT WASTE DRAIN.

8. HVAC CONTROLS

A. CONTRACTOR TO SUPPLY AND INSTALL ALL CONTROL WIRING AND

THERMOSTATS AS REQUIRED.

9. ELECTRICAL

A. CONTRACTOR TO COORDINATE WITH ELECTRICAL CONTRACTOR FOR

LOCATION OF WIRING FOR EACH HVAC UNIT.

10. PIPE SUPPORTS

A. ALL PIPE SHALL BE SUPPORTED FROM THE BUILDING STRUCTURE IN A

NEAT AND WORKMANLIKE MANNER. THE USE OF WIRE OR METAL STRAP TO

SUPPORT PIPES WILL NOT BE PERMITTED. SPACING OF PIPE SUPPORTS

SHALL NOT EXCEED 8 FEET FOR ALL PIPING. PLASTIC PIPING TO BE

SUPPORTED EVERY 4 FEET.

11. GAS PIPING

A. PIPING SHALL BE SCHEDULE 40 BLACK STEEL PIPE WITH MALLEABLE IRON

FITTINGS.

WHERE GAS PIPE CONNECTS TO EQUIPMENT, IT SHALL BE PROVIDED WITH A

DRIP LEG THE FULL SIZE OF THE RUNOUT, A 100% SHUT-OFF VALVE AND A

UNION. GAS PIPING CONTAINING PRESSURE GREATER THAN 9" W.G. SHALL

BE SCHEDULE 40 BLACK STEEL PIPE WITH WELDED JOINTS.

12. MISCELLANEOUS

A. ALL EXTERIOR OPENINGS TO BE PROPERLY CAULKED AND SEALED WITH A

SEALANT OF HIGH QUALITY AND LONG LIFE, TO PREVENT INFILTRATION

OF OUTSIDE AIR INTO CONDITIONED SPACE.

COORDINATE INSTALLATION OF ALL ROOF FLASHING AT ROOF PENETRATION.

B. DO NOT SCALE THIS DRAWING FOR EXACT DIMENSIONS.

C. VERIFY ALL FIGURES, CONDITIONS, AND DIMENSIONS AT THE JOB SITE.

D. THE MECHANICAL PLANS ARE INTENDED TO BE DIAGRAMMATIC AND ARE BASED

ON ONE MANUFACTURE'S EQUIPMENT. THEY ARE NOT INTENDED TO SHOW EVERY

ITEM IN ITS EXACT LOCATION, THE EXACT DIMENSIONS, OR ALL THE

DETAILS OF THE EQUIPMENT.

E. THE CONTRACTOR SHALL VERIFY THE ACTUAL DIMENSIONS OF THE EQUIPMENT

PROPOSED TO ENSURE THAT THE EQUIPMENT WILL FIT IN THE AVAILABLE

SPACE.

D. PEX TUBING, IF PEX TUBING IS USED AS AN APPROVED ALTERNATE FOR APPLICATIONS

WHERE METALLIC PIPING IS THE BASIS OF DESIGN. THE PEX MANUFACTURER SHALL

SUBMIT SHOP DRAWINGS CLEARLY INDICATING THAT THE DESIGN HAS BEEN ANALYZED

AND MODIFIED, AS REQUIRED TO MAINTAIN SCHEDULED HYDRONIC SYSTEM PARAMETERS.

ANY DESIGN RESULTING IN INCREASED SYSTEM PRESSURE DROP AS A RESULT OF

IMPROPER PEX SIZING OR DESIGN SHALL NOT BE PERMITTED.

13. TESTING AND BALANCING

A. THE HVAC SYSTEM SHALL BE TESTED AND AND BALANCED BY AN INDEPENDENT

AGENCY, UNDER THE SUPERVISION OF A LICENSED PROFESSIONAL ENGINEER.

A SEALED TYPE WRITTEN REPORT SHALL BE SUBMITTED TO THE

ARCHITECT/ENGINEER FOR REVIEW AND APPROVAL.

14. GUARANTEE

A. MATERIALS, EQUIPMENT AND INSTALLATION SHALL BE GUARANTEED FOR A

PERIOD OF ONE(1) YEAR FROM DATE OF ACCEPTANCE. DEFECTS WHICH

APPEAR DURING THAT PERIOD SHALL BE CORRECTED AT THIS CONTRACTOR'S

EXPENSE.

B. FOR THE SAME PERIOD, THE MECHANICAL CONTRACTOR SHALL BE RESPONSIBLE

FOR ANY DAMAGE TO PREMISES CAUSED BY DEFECTS IN WORKMANSHIP OR IN THE

WORK OR EQUIPMENT FURNISHED AND/OR INSTALLED BY HIM.

DRAW BAND WITH SILICONE SEALER

SUPPLY DUCT

COLLAR

HAND DAMPER

MAX. 6'-0"FLEX DUCT

CEILING DIFFUSER

(SIDE OF DUCT CONNECTION)

CEILING

FLEX DUCT SIZE SHALL

MATCH NECK SIZE

OPPOSED BLADE

DAMPER

NOT TO SCALE

1

1

/

2

W

USE THIS DESIGN

WHERE ROUND 90

ELS ARE SHOWN

ON PLANS

ROUND 90 ELBOW

C

L

L

C

CONSTRUCTION OF 90 ELBOWS

"W"

"W

"

"W

"

"W"

TURN VANES-SEE DETAIL

THIS SHEET

USE THIS DESIGN

WHERE SQUARE 90

ELS ARE SHOWN ON

PLANS OR IF SPACE

CONDITIONS DO NOT

PERMIT INSTALLATION

OF ROUND 90 ELLS

SQUARE 90 ELBOW

"W"

"

W

"

"

W

"

"W"

C

L

L

C

USE THIS DESIGN

WHERE ROUND 45

ELBOWS ARE SHOWN

ON PLANS

1

1

/

2

W

TURN VANES-SEE

DETAIL THIS SHEET

ON PLANS

ELBOWS ARE SHOWN

WHERE ROUND 45

USE THIS DESIGN

SQUARE 45 ELBOW

CONSTRUCTION OF 45 ELBOWS

ROUND 45 ELBOW

AIR

FLOW

"W"

"W"

BRANCH

MAIN

ROUND BRANCH TAKEOFF

SQUARE BRANCH TAKEOFF

MAIN

BRANCH

FLOW

AIR

CONSTRUCTION OF BRANCH TAKEOFFS FROM MAIN

TURN VANES-SEE

DETAIL THIS SHEET

SLOPE NOT TO EXCEED

1" IN 4"

TYPICAL RECTANGULAR TRANSITION TYPICAL RECTANGULAR TO ROUND TRANSITION

1" IN 4"

SLOPE NOT TO EXCEED

RECTANGULAR DUCT

ROUND DUCT

AIR

FLOW

MAIN

SPLITTER DAMPER

TURN

VANES

BRANCH

DAMPER ADJUSTMENT

ROD & LOCK SCREW

TYPICAL SPLITTER DAMPER

NO SCALE

1

"

R

.

2

"

R

A

D

I

U

S

1" 1"

1" 1

"

DETAIL OF TURN VANES

CONNECTION

LINKAGE

DOUBLE

ACTING BLADES

TYPICAL VOLUME DAMPER

HINGE

POINT

OPERATING SHAFT

FOR QUADRANT OR

MOTOR.

DUCTWORK SYMBOLS

RETURN OR EXHAUST AIR

FIRE DAMPER

SMOKE DETECTOR

SQUARE FEET)

BACKDRAFT DAMPER

REQUIRED INDICATED IN

DOOR LOWER (FREE AREA

UNDERCUT DOOR

DL

UC

S

F

BE REMOVED

AIR DEVICE TO

NUMBER

NUMBER

SINGLE LINE

SIZE

CFM

CFM

SIZE

SUPPLY AIR

RADIUS ELBOW (R=1.5)

CONTROL DAMPER-

PARALLEL BLADE

OPPOSED BLADE

CONTROL DAMPER-

REGISTER (R) OR GRILLE (G)

CEILING RETURN/EXHAUST

GRILLE (G) OR REGISTER (R)

RETURN AND/OR EXHAUST AIR

AIR REGISTER (R)

SUPPLY AIR GRILLE (G) OR SUPPLY

CFM

SIZE

NUMBER

CF

M

SIZE

CFM

NUMBER

SIZ

E

FLEXIBLE CONNECTION (FXC)

AIR FLOW

RISE OR DROP DIRECTION OF

BRANCH DUCT TAKE-OFF

VANED ELBOW

DIFFUSER

R

D

CFM/BLOW

SIZE

TO BE REMOVED.

EXISTING EQUIPMENT OR DUCTWORK

ACCESS DOOR

MOTOR OPERATED DAMPER (MOD)

MANUAL VOLUME DAMPER (MVD)

NEW DUCTWORK

EXISTING DUCTWORK TO REMAIN

AD

VD

AD

DOUBLE LINE

SIZ

E

CF

M

D

R

CFM/BLOW

SIZE

AD

VD

AREA OF WORK

HATCHED AREA OUTSIDE SCOPE OF WORK

M. Blaine Buck11/27/19

B

A

C

D

1 2 3

T

EXISTING VAV

EXISTING VAV

EXISTING VAV

(E)26x12

(E)38x12

(E)22x18 (E)26x18

(E)28x12

14Ø

SA-E

180 CFM

SA-E

150 CFM

SA-E

350 CFM

SA-E

350 CFM

SA-E

350 CFM

SA-E

350 CFM

SA-E

350 CFM

SA-E

350 CFM

SA-E

425 CFM

SA-E

240 CFM

(E)24x38

(E)30x10

SA-E

350 CFM

SA-E

350 CFM

SA-E

120 CFM

SA-E

240 CFM

SA-E

300 CFM

SA-E

240 CFM

SA-E

350 CFM

SA-E

200 CFM

SA-E

350 CFM

MAIN FROM

MECH CHASE.

CONTINUES TO ZONE(S)

OUTSIDE SCOPE OF WORK.

(E)10x12 (E)10x12

T

T



EXISTING T-STATS TO BE UTILIZED

EXISTING T-STATS

TO BE UTILIZED

EXISTING T-STATS

TO BE UTILIZED

GENERAL MECHANICAL NOTES

1. THESE DRAWINGS ARE SYSTEM DESIGN DRAWINGS, THUS THEY ARE DIAGRAMMATIC IN NATURE (THESE DRAWINGS

ARE NOT COORDINATION, FABRICATION OR AS BUILT DRAWINGS). FIELD CONDITIONS MAY ALTER THE LAYOUT.

CONTRACTOR TO COORDINATE FINAL LOCATIONS OF MECHANICAL EQUIPMENT AND THEIR ASSOCIATED

COMPONENTS IN THE FIELD. SUBSTANTIAL CHANGES TO SYSTEM ROUTING AND/OR EQUIPMENT LOCATIONS SHALL BE

APPROVED BY THE ENGINEER & ARCHITECT.

2. CONTRACTOR TO VERIFY EXISTING CONDITIONS.

3. RECTANGULAR DUCT TO BE GALVANIZED STEEL, LINED & SEALED.

4. ROUND DUCT TO BE GALVANIZED STEEL, SNAP LOCK OR INSULATED FLEXIBLE DUCT.

5. S/A & R/A G.R.D. NECK SIZE TO MATCH BRANCH DUCT SIZE.

6. ANY DUCTWORK PENETRATING A FIRE AND/OR SMOKE RATED WALL SHALL BE PROVIDED WITH AN APPROPRIATE FIRE

AND/OR SMOKE DAMPER.

7. MODIFIED SYSTEMS WILL REQUIRE RE-BALANCING AIRFLOW.

8. EXISTING LIGHTS WITH RETURN AIR SLOTS TO REMAIN AND SERVE RETURN AIR NEEDS.

FLAG NOTES

1. REMOVE INDICATED EXISTING AIR DIFFUSER AND ASSOCIATED BRANCH DUCT. COVER AND SEAL ANY OPENINGS

CREATED DURING REMOVAL.

2. EXISTING EXHAUST FAN TO BE ABANDONED IN PLACE.

MECHANICAL - DEMO FLOOR PLAN

SCALE: 1/4"=1'-0"

NORTH

SHEET #:

PROJECT #:

DATE:

REV. DATE:DESC.

19-130

11/27/19

FOR CONSTRUCTION




M1-2

MECHANICAL - FLOOR PLAN


B

A

C

D

1 2 3

CONFERENCE

102

HALLWAY

103

OPEN OFFICE104

I.T.101

OPEN OFFICE100

T

EXISTING VAV

EXISTING VAV

EXISTING VAV

(E)26x12

(E)38x12

(E)22x18 (E)26x18

(E)28x12

14Ø

SA-1

350 CFM

SA-E

350 CFM

SA-E

350 CFM

SA-E

350 CFM

SA-E

350 CFM

SA-E

350 CFM

SA-E

425 CFM

SA-E

240 CFM

(E)24x38

(E)30x10

SA-E

350 CFM

SA-E

350 CFM

SA-E

120 CFM

SA-E

240 CFM

SA-E

300 CFM

SA-E

240 CFM

MAIN FROM

MECH CHASE.





(E)10x12 (E)10x12

T

T

10"Ø 10"Ø

10"Ø

SA-1

350 CFM

SA-1

350 CFM

CONTINUES TO

EXTERIOR TERMINATION

RELOCATE T-STAT ON COLUMN

CD

GENERAL MECHANICAL NOTES

1. THESE DRAWINGS ARE SYSTEM DESIGN DRAWINGS, THUS THEY ARE DIAGRAMMATIC IN NATURE (THESE DRAWINGS

ARE NOT COORDINATION, FABRICATION OR AS BUILT DRAWINGS). FIELD CONDITIONS MAY ALTER THE LAYOUT.

CONTRACTOR TO COORDINATE FINAL LOCATIONS OF MECHANICAL EQUIPMENT AND THEIR ASSOCIATED

COMPONENTS IN THE FIELD. SUBSTANTIAL CHANGES TO SYSTEM ROUTING AND/OR EQUIPMENT LOCATIONS SHALL BE

APPROVED BY THE ENGINEER & ARCHITECT.

2. CONTRACTOR TO VERIFY EXISTING CONDITIONS.

3. RECTANGULAR DUCT TO BE GALVANIZED STEEL, LINED & SEALED.

4. ROUND DUCT TO BE GALVANIZED STEEL, SNAP LOCK OR INSULATED FLEXIBLE DUCT.

5. S/A & R/A G.R.D. NECK SIZE TO MATCH BRANCH DUCT SIZE.

6. ANY DUCTWORK PENETRATING A FIRE AND/OR SMOKE RATED WALL SHALL BE PROVIDED WITH AN APPROPRIATE FIRE

AND/OR SMOKE DAMPER.

7. MODIFIED SYSTEMS WILL REQUIRE RE-BALANCING AIRFLOW.

8. EXISTING LIGHTS WITH RETURN AIR SLOTS TO REMAIN AND SERVE RETURN AIR NEEDS.

FLAG NOTES

1. NOT USED

2. EXISTING EXHAUST FAN TO BE ABANDONED IN PLACE.

3. INDICATED EXISTING VAV BOXES AND AIR DIFFUSERS WILL NEED RE-BALANCE AFTER SYSTEM RECONFIGURATION AND

THEREFORE ARE WITHIN THE PROJECT'S SCOPE OF WORK.

4. PROVIDE CARBON DIOXIDE SENSOR AND CONNECT TO EXISTING BAS SYSTEM IN ORDER TO PROVIDE DEMAND CONTROL

VENTILATION.


SCALE: 1/4"=1'-0"

NORTH

SHEET #:

PROJECT #:

DATE:

REV. DATE:DESC.

19-130

11/27/19

FOR CONSTRUCTION




M1-3


GRILLE-REGISTER-DIFFUSER SCHEDULE

EQUIPMENT NO. SIZE MODEL MANUFACTURER FINISH OPTIONS/ACCESSORIES

SA-1 20"X20" SPD PRICE PER ARCH SEE NOTES BELOW

NOTES:

1. COORDINATE ALL MOUNTING TYPES WITH CEILING, SOFFIT, WALL, OR FLOOR STRUCTURE.

2. DIFFUSER NECK SIZE TO MATCH DUCT BRANCH SIZE.

AIR VENTILATION CALCULATION BASED ON IMC, TABLE 403.3

PROJECT: CDOT REMODEL

ROOM NAME

ROOM

AREA

OCCUPANT

DENSITY

PER 1000FT

NUMBER OF

PEOPLE

CFM PER

PERSON

EXHUAST

CFM PER

FIXTURE

NUMBER OF

FIXTURES

EXHAUST

CFM/FT

OA

CFM/FT

TOTAL OA

CFM

TOTAL EXHAUST

CFM

Conference 102 680 0.05 34 5 0 0 0 0.06 211 0

Modified portion of Open Office 104

840 0.005 4.2 5 0 0 0 0.06 71.4 0

Hallway 103

130 0 0 0 0 0 0 0.06 7.8 0

NOTE: FRESH AIR TO BE SUPPLIED BY EXISTING ROOFTOP UNIT. TOTAL OUTSIDE

AIR (CFM)

TOTAL EXHAUST

(CFM)

290 0


CL W 1 1/2W 1R. 2 RADIUS - Ford Construction

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