CHAPMAN SISSON ARCHITECTS

CHAPMAN SISSON ARCHITECTS 305 Church St. SW, Suite 805

Huntsville, Alabama 35801 (256) 533-1861

(256) 533-6422 Fax

ADDENDUM A October 1, 2021

HUNTSVILLE CITY BOARD OF EDUCATION JEMISON HIGH SCHOOL FIELD HOUSES

Huntsville, Alabama Architect’s Project No. 20059 | DCM No. 2021161 | PSCA No. 9230

Addendum A consists of 2 pages and includes 2 attachments and 3 full-size sheets:

General Items: ITEM NO. CHANGES / MODIFICATIONS TO THE DOCUMENTS GA-01 Advertisement for Bid – See Attachment

a. Bid date revised (10/28) and location revised (Chapman Sisson Architects). b. Pre-Bid Conference date revised (10/12).

GA-02 Proposal Form – See Attachment

a. Estimated Notice to Proceed date revised (1/1/2022).

Structural Items: ITEM NO. CHANGES / MODIFICATIONS TO THE DRAWINGS SA-01 Sheet S003 – See Revised Sheet

a. Added typical slab depression detail.

Mechanical Items: ITEM NO. CHANGES / MODIFICATIONS TO THE DRAWINGS MA-01 Sheet M301 – See Revised Sheet

a. Revise Controls.

Plumbing Items: ITEM NO. CHANGES / MODIFICATIONS TO THE DRAWINGS PA-01 Sheet P301 – See Revised Sheet

a. Add floor drain tag and revise P-8A / P-8A on riser diagrams.

End of Addendum A

Form C-1 August 2001

ADDENDUM A

ADVERTISEMENT FOR BIDS

Sealed proposals will be received by Huntsville City Board of Education at the Office of Chapman Sisson

Architects, 305 Church Street SW, Suite 805, Huntsville, AL 35801 (ADDENDUM A) until 2:00 p.m. CST

October 28, 2021(ADDENDUM A) for Jemison High School Field Houses, at which time and place they will be publicly opened and read. A cashier’s check or bid bond payable to Huntsville City Board of Education in an amount not less than five (5) percent of the amount of the bid, but in no event more than $10,000, must accompany the bidder’s proposal. Performance and Payment Bonds and evidence of insurance required in the bid documents will be required at the signing of the Contract. Drawings and specifications may be examined at the office of Chapman Sisson Architects, 305 Church St SW, Suite 805, Huntsville, AL 35801 (256) 533-1861 after September 13, 2021 or by emailing [email protected]. Bid Documents may be obtained from Datatek, 2809 Newby Road Ste 123, Huntsville, AL 35805 upon deposit of $100.00 per set, which will be refunded in full on the first 2 sets issued to each General Contract bidder submitting a bona fide bid, upon return of documents in good condition within ten days of bid date. Other sets for general contractors, and sets for subcontractors and dealers, may be obtained with the same deposit, which will be refunded as above.

A Pre-Bid Conference will be held at Jemison High School at 5000 Pulaski Pike NW, Huntsville, AL 35810 on October 12, 2021 at 10AM (ADDENDUM A). Drive around to Field House 1. Bids must be submitted on proposal forms furnished by the Architect or copies thereof. All bidders bidding in amounts exceeding that established by the State Licensing Board for General Contractors must be licensed under the provisions of Title 34, Chapter 8, Code of Alabama, 1975, and must show evidence of license before bidding or bid will not be received or considered by the Architect; the bidder shall show such evidence by clearly displaying his or her current license number on the outside of the sealed envelope in which the proposal is delivered. The Owner reserves the right to reject any or all proposals and to waive technical errors if, in the Owner’s judgment, the best interests of the Owner will thereby be promoted. Nonresident bidders must accompany any written bid documents with a written opinion of an attorney at law licensed to practice law in such nonresident bidder’s state of domicile, as to the preferences, if any or none, granted by the law of that state to its own business entities whose principal places of business are in that state in the letting of any or all public contracts. Huntsville City Board of Education (Awarding Authority) Chapman Sisson Architects (Architect)

DCM Form C-3

(must be submitted with DCM Form C-3A)

August 2021

ADDENDUM A

PROPOSAL FORM

To: Date:

(Awarding Authority)

In compliance with the Advertisement for Bids and subject to all the conditions thereof, the undersigned

(Legal Name of Bidder)

hereby proposes to furnish all labor and materials and perform all work required for the construction of

WORK

in accordance with Drawings and Specifications, dated , prepared by

, Architect/Engineer.

The Bidder, which is organized and existing under the laws of the State of ,

having its principal offices in the City of ,

is: a Corporation a Partnership an Individual (other) .

LISTING OF PARTNERS OR OFFICERS: If Bidder is a Partnership, list all partners and their

addresses; if Bidder is a Corporation, list the names, titles, and business addresses of its officers:

BIDDER’S REPRESENTATION: The Bidder declares that it has examined the site of the Work, having become fully informed regarding all pertinent conditions, and that it has examined the Drawings and Specifications (including all Addenda received) for the Work and the other Bid and Contract Documents relative thereto, and that it has satisfied itself relative to the Work to be performed.

ADDENDA: The Bidder acknowledges receipt of Addenda Nos. through inclusively.

BASE BID: For construction complete as shown and specified, the sum of

Dollars ($ )

TIME FOR CONSTRUCTION:

Estimated Issuance of Notice to Proceed on or before January 1, 2022 (ADDENDUM A). The project shall be substantially complete in 180 Calendar Days.

ALTERNATES: No Alternates. UNIT PRICES: Unit Price “A” – Unsatisfactory Soil Off Site (Add)(Deduct) ____________/CY

Page 1 of 2

DCM Form C-3

(must be submitted with DCM Form C-3A)

August 2021

ADDENDUM A

BID SECURITY: The undersigned agrees to enter into a Construction Contract and furnish the prescribed Performance and Payment Bonds and evidence of insurance within fifteen calendar days, or such other period stated in the Bid Documents, after the contract forms have been presented for signature, provided such presentation is made within 30 calendar days after the opening of bids, or such other period stated in the Bid Documents. As security for this condition, the undersigned further agrees that the funds represented by the Bid Bond (or cashier’s check) attached hereto may be called and paid into the account of the Awarding Authority as liquidated damages for failure to so comply.

Attached hereto is a: (Mark the appropriate box and provide the applicable information.)

Bid Bond, executed by as Surety,

a cashier’s check on the_ Bank of ,

for the sum of _

Dollars ($ ) made payable to the Awarding Authority.

BIDDER’S ALABAMA LICENSE: State License for General Contracting:

License Number Bid Limit Type(s) of Work

CERTIFICATIONS: The undersigned certifies that he or she is authorized to execute contracts on behalf of the Bidder as legally named, that this proposal is submitted in good faith without fraud or collusion with any other bidder, that the information indicated in this document is true and complete, and that the bid is made in full accord with State law. Notice of acceptance may be sent to the undersigned at the address set forth below.

The Bidder also declares that a list of all proposed major subcontractors and suppliers will be submitted at a time subsequent to the receipt of bids as established by the Architect in the Bid Documents but in no event shall this time exceed twenty-four (24) hours after receipt of bids.

Legal Name of Bidder

Mailing Address

* By (Legal Signature)

* Name & Title (print)

Telephone Number

Email Address

(Seal)

* If other than the individual proprietor, or an above named member of the Partnership, or the above named president, vice-president, or secretary of the Corporation, attach written authority to bind the Bidder. Any modification to a bid shall be over the initials of the person signing the bid, or of an authorized representative.

Note: A completed DCM Form C-3A: Accounting of Sales Tax must be submitted with DCM Form C-3: Proposal

Form. Submission of DCM Form C-3A is required, it is not optional. A proposal shall be rendered non-responsive if

an Accounting of Sales Tax is not provided.

Page 2 of 2

AT UTILITIES PASSING BELOW WALL FOOTINGS

MIN.MIN.

COMPACTED FILL OR UNDISTURBED EARTH AS REQUIRED

TYPICAL FOOTING REINFORCING (SEE SECTIONS)

CAST IRON SLEEVE @ EACH UTILITY LINE LOCATION CAST INTO LEAN CONCRETE, 2"

LARGER DIAMETER THAN LINE PASSING THROUGH. SLEEVES MUST BE ORIENTED

PERPENDICULAR TO FOOTING LENGTH.

LEAN CONCRETE FILL ASSHOWN AND 1'-0" MIN. BEYONDBOTH SIDES OF FOOTINGBEARING LOCATION (INSTALL &CURE PRIOR TO FOOTINGPLACEMENT)

TYPICAL WALL FOOTING (SEE SECTIONS)

(2) ADD'L #5 TOP BARS (UNLESS TOP STEEL IS ALREADY PRESENT)

1. CONTRACTOR'S OPTION TO STEP FOOTINGS BELOW UTILITIES IN LIEU OF THIS DETAIL (OVERSIZED HOLES STILL REQUIRED IN FOUNDATION WALLS TO ALLOW FOR SETTLEMENT).2. COORDINATE UTILITY LOCATIONS WITH CIVIL, MECHANICAL, PLUMBING, AND ELECTRICAL DRAWINGS.3. UTILITIES SHALL NOT PASS BELOW COLUMN FOOTINGS.

2' - 0" MIN.

1' -

0"

MIN

.

4"4"

6" MINIMUM WHERE MULTIPLE SLEEVES OCCUR

2' - 0" MIN.

T.O. FOOTING

SEE PLAN

T.O. FOOTING

TYPICAL FOUNDATION AT WALL FOOTING STEPS

REINF. SAME SIZE & NO. AS MAIN REINF.

MIN.

"D"

"D"

4'-0

" M

AX

.

LAP (TYP)

CLASS "B"

TYPICAL AT TIE-IN OF NEW-TO-EXISTING SLAB-ON-GRADE

EMBED

LAY-BACK EXCAVATION TOPREVENT UNDERMINING OFEXISTING SLAB

THIS DETAIL OCCURS AT ALL LOCATIONS WHERE NEWSLAB IS POURED ADJACENT TO THE EXISTING SLAB ATCONDITIONS NOT OTHERWISE SHOWN IN SECTIONS

#4 x 1'-6" DOWELS AT 24" O.C.DRILL & EPOXY INTO EXISTING

SLAB AT MID-DEPTH

WWF.

NEW SLAB EXISTING SLAB

LINE OF SAW-CUT

COMPACTED FILL ORSUITABLE RESIDUAL SOIL

NOTE:PROTECT SUFFICIENT LENGTH OF EXISTING VAPOR BARRIER TO PROPERLY LAP WITH NEW.

1' - 0" LAP 6"

DISCONTINUEREINF. AT JOINT

CONSTRUCTION JOINTCONTROL JOINT

SAWCUT USING AN EARLY-ENTRY DRY-CUT SAW AS SOON ASTHE CONCRETE CAN SUPPORT THE WEIGHT OF THE SAW &OPERATOR, AND WITHOUT DAMAGING THE FINAL CONCRETEFINISH (NORMALLY 1 TO 4 HOURS AFTER FINAL FINISH).

DISCONTINUEREINF. AT JOINT

2x4 FORMEDKEYWAY

8" 8"

1"

T4

"

T

T/3 DEPTH OF SAW CUT

1"

1/8"

TYPICAL SLAB-ON-GRADE JOINT DETAILSNOTES:1. SEE PLAN FOR SPACING OR LOCATIONS.2. HAND-TOOL JOINTS INACCESSIBLE WITH SAW.3. AT SLABS EXPOSED TO VIEW, FILL JOINT WITH SEALANT PER SPECS.4. T = SLAB THICKNESS (SEE SECTION).

AT SLAB-ON-GRADE FLOOR DRAINS

CLR

(4) #4 TOP & BOTT.

FLOOR DRAIN

2"

TYP.6"

TYPICAL HOUSEKEEPING PAD DETAIL

VERIFY PAD SIZE AND LOCATION W/ EQUIPMENT REQUIREMENTS. DO NOT DRILL INTO POST-TENSIONED SLABS UNLESS TENDONS HAVE BEEN LOCATED AND MARKED BY A TESTING AGENT TO PREVENT DAMAGE

#3 DWLS @ 12" OC. ALONG EACH EDGE, CAST-IN-PLACE OR DRILL & EPOXY (EMBED DEPTH = SLAB THICKNESS - 1" BUT NOT MORE THAN 6")

#4 CONT. @ 12" O.C.E.W.AT MID-DEPTH OF PAD

SEE PLANS & SECTION FOR SLAB THICKNESS & REINF.

4"

MIN

. (V

ER

IFY

W/

EQ

UIP

. S

UP

PLIE

R)

TYPICAL SLAB-ON-GRADE PENETRATIONS & RE-ENTRANT CORNERS

2 #4 x 3'-0" AT EACHCORNER, TIE TO WWF.

SLAB OPENING ORRE-ENTRANT CORNER

TENSION LAP SPLICE LENGTHS

15"

19"

OTHER BARS

42"

29"

24"

54" 70"

37"

31"

19"

25"

48"

40"

24"

32"

TOP BARS

f ' = 4000 PSIc

54"

31"

37"

25"

19"

62" 80" 48" 62"

70" 91" 54" 70"

79" 102" 61" 79"

87" 113" 67" 87"101"78"131"101"#11

91"70"118"91"#10

81"62"105"81"#9

72"55"93"72"#8

22"

29"

43"

36"

63"

cf ' = 3000 PSI

TOP BARS

37"

28"

47"

56"

29"

22"

36"

43"

#4

#3

#6

#5

81"63"#7

28"

33"

48"

OTHER BARS

22"

17"

CLASS"A"

CLASS"B"

CLASS"A"

CLASS"B"

CLASS"A"

CLASS

"B"

CLASS"A"

CLASS"B"

BAR SIZE

1. TOP BARS ARE HORIZONTAL REINFORCING WITH MORE THAN 12" OF CONCRETE CAST BELOW THE REINFORCING.

2. MASONRY REINFORCING LAP SPLICE LENGTHS SHALL BE 48 x BAR DIAMETER.3. INCREASE LAP SPLICE LENGTH 33% FOR LIGHTWEIGHT CONCRETE.

TYPICAL DETAIL AT RECESSED SLAB-ON-GRADE

FO

R R

EC

ES

S

SEE ARCH'T FOR EXTENTS

WWF.

#4 CONT.

1"

NOTES:1. T = SLAB THICKNESS (SEE PLAN)2. ALL RECESSED AREAS MAY NOT BE SHOWN ON

STRUCTURAL DRAWINGS. COORD. W/ ARCH'T FINISHES FOR LOCATIONS, DEPTHS & EXTENTS

TS

EE

AR

CH

'T

8"

2707 Artie StreetBuilding 100 Suite 21Huntsville, AL 35805Phone: 256.864.2542

Structural Engineers, Inc.Project No.

Echols, Lindsey & Moore

21191

21 76543

CSA Project No.

Revision:

Sheet Description

Date:

COPYRIGHT - Chapman Sisson ArchitectsC 2021

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Chapman Sisson Architects305 Church Street SW, Suite 805Huntsville, Alabamba 35801256.533.1861 fax 256.533.6422

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DCM / PSCA Project No.

2021161 / 9230

S003

August 27, 2021

20059

TYPICALDETAILS

Huntsville City Boardof Education

714 Bob Wallace Ave.Huntsville, AL 35801

No. Description Date

A ADDENDUM 10/1/21

A

SUPPLY REGISTER

Wm >WbD= 1/4" Wb OR 4 "MINIMUM L >= Wb + 4"

EXHAUST OR RETURNAIR DUCTS

SUPPLY AIR DUCTSMAIN AIR FLOW

SUPPLY REGISTER

WALL

OPPOSED BLADE DAMPER

MANUAL VOLUME DAMPER

AIRFLOW

ALUMINUM VOLUMEEXTRACTOR - RADIUSBLADES ON 1" CENTER

PROVIDE PUSH-PULL ADJUSTING STRAP L<12"

OPPOSED BLADE DAMPER

WALL

NOTE:USE SCOOP ONLY IF DISTANCE FROM TRUNK DUCT TOWALL IS LESS THAN 12 INCHES, OTHERWISE USE 45" BRANCHFITTING SHOWN BELOW

NOTES:1. FABRICATE PER SMACNA DUCT CONSTRUCTION STANDARDS FIGURE #2-82. SEE SPECIFICATIONS FOR INSULATION REQUIREMENTS. FABRICATE LINED

DUCT CONNECTIONS SO THAT THERE ARE NO EXPOSED LINER EDGES

L

Wb

Wm

D

45°

L

MA

X.

30°

LC

EXPOSED DOUBLE WALLSPIRAL DUCTWORK

SUPPLY REGISTER (TYP.)

60° 60°

RIGID 90° ELBOW TURNDOWN. IF NOT POSSIBLE DUE TO SPACE CONSTRAINTS, COMPLY WITH LIMITED HEIGHT ROUND NECK DIFFUSER DETAIL.

PLENUM RATED NYLON DRAW BAND (TYP.)

ROUND "SNAPLOCK" SHEETMETAL FOR RUNOUTS LONGER THAN 5'-0". INSULATE WITH EXTERNAL DUCTWRAP.

EXTERNAL DUCTWRAP INSULATION SEAL VAPOR TIGHT

CEILING DIFFUSER SEE LEGEND FOR AIR DEVICE TYPE

SINGLE BLADE MANUAL DAMPER.

CONICAL SPIN-IN COLLLAR

SUPPLY DUCT MAIN. VERIFY INSULATION TYPE

SUPPORT STRAP MAX 5'-0" AND AT ELBOWS

FINISH CEILING. SEE ARCH. PLANS TO VERIFY CEILING TYPE PRIOR TO ORDERING DIFFUSERS

FLEXIVLE DUCT:PRESSURE = +10"/-1" WGR-VALUE = R6 (R8 IN ATTIC)LENGTH = 5'-0" MAX.

SINGLE BLADE DAMPER NOTES:MANUAL DAMPER: TO BE USED WHEN DAMPER IS ACCESSIBLE AND/OR ABOVE LAYIN CEILING. DAMPER TO HAVE 2" STAND-OFF.CONCEALED MANUAL DAMPER: TO BE USED WHEN DAMPER IS INACCESSIBLE AND/OR ABOVE GYP/HARD CEILINGS.


RIGID 90° ELBOW FORTURNDOWN WHEN POSSIBLE

BO

X H

EIG

HT


FABRICATE SHEET METAL PLENUM FULL SIZE OF GRILLE, CONST. OF 22 GA., WITH 1" THICK DUCT LINER. BOX HEIGHT = ROUND DUCT DIAMETER + 2".


RETUN / EXHAUST DUCT MAIN. VERIFY INSULATION TYPE


CEILING GRILLE SEE SCHEDULE FOR AIR DEVICE TYPE

SINGLE BLADE MANUAL DAMPER.1"x24 GA STRAP

SUPPORT - ONE EACH SIDE


PLENUM RATED NYLON DRAW BAND (TYP.) FLEXIBLE DUCT:

PRESSURE = +10"/-1" WGR-VALUE = R6 (R8 IN ATTIC)LENGTH = 5'-0" MAX.

RIGID 90° ELBOW TURNDOWN.IF NOT POSSIBLE DUE TOSPACE CONSTRAINTS, COMPLYWITH LIMITED HEIGHT ROUNDNECK DIFFUSER DETAIL.


ROUND "SNAPLOCK"SHEETMETAL FOR RUNOUTSLONGER THAN 5'-0". INSULATEWITH EXTERNAL DUCTWRAP.



SUPPORT STRAPMAX 5'-0" AND ATELBOWS

SUPPORT STRAPTWO PER PLENUM

MANUFACTURERSUPPLIED INSULATEDPLENUM (MIN. 24 GA.)

LINEAR DIFFUSER.SEE LEGEND FORHEIGHT & WIDTH.

WALL FINISH. SEEARCH. PLANS TOVERIFY WALL TYPEPRIOR TO ORDERINGDIFFUSERS

FLEXIBLE DUCT:PRESSURE = +10"/-1" WGR-VALUE = R6 (R8 IN ATTIC)LENGTH = 5'-0" MAX.

SINGLE BLADEMANUAL DAMPER.

SINGLE BLADE DAMPER NOTES:MANUAL DAMPER:TO BE USED WHEN DAMPER IS ACCESSIBLE AND/OR ABOVE LAYIN CEILING. DAMPER TO HAVE 2" STAND-OFF.CONCEALED MANUAL DAMPER:TO BE USED WHEN DAMPER IS INACCESSIBLE AND/OR ABOVE GYP/HARD CEILINGS.

LINEAR DIFFUSER.SEE LEGEND FORHEIGHT & WIDTH.


SUPPORT STRAPTWO PER PLENUM

MANUFACTURER SUPPLIED INSULATED PLENUM (MIN. 24 GA.)




SINGLE BLADE MANUAL DAMPER.



FLEXIBLE DUCT:PRESSURE = +10"/-1" WGR-VALUE = R6 (R8 IN ATTIC)LENGTH = 5'-0" MAX.


W

D

L

MANUAL DAMPER

BRANCH DUCTMAIN TRUNK DUCT

45° ENTRY FITTING

D = W/4, (4" MIN.)L = W (WIDTH OF DUCT)

NOTES:1. FABRICATE PER SMACNA DUCT CONSTRUCTION STANDARDS FIGURE #2-8.2. SEE SPECIFICATIONS FOR INSULATION REQUIREMENTS. FABRICATE LINED

DUCT CONNECTIONS SO THAT THERE ARE NO EXPOSED LINER EDGES.

TO BE USED IN TELEPHONE SWITCHING EQUIP. ROOM & POWER ROOM REGARDLESS HOW LARGE. ALL DUCTWORK IN THESE AREAS TO BE INSTALLED TIGHT AGAINST BOTTOM OF FLOOR / ROOF DECK ABOVE.

DRIVE SLIP TYPE JOINTS

POCKET JOINT BAR SLIP JOINT LOCK SEAM

FOR USE ON DUCTS UP TO 24" MAX. SIDE

NOTES:1. FOR DUCTS ABOVE 48" MAX. SIDE REINF. STANDING EDGE W/ 7/8" X 1/8" GALV. BAR. 2. CLIP PUNCH JOINTS APPROX. 2" FROM EACH SIDE AND ALONG EACH SIDE NO MORE THAN 10"3. USE POCKET JOINTS INSTEAD OF BAR SLIP JOINTS WHERE PHYSICALLY POSSIBLE.

FOR USE ON DUCTS WITH MAX. SIDE FROM 25" UP TO 48"

FOR USE ON DUCTS WITH MAX. SIDE FROM 25" UP TO 48"

FOR USE ON DUCTS OVER 24" MAX. SIDE

SHEET METAL SCREWS

(1 1/4") (1 1/4")

(1")

2' -

5 1

1/1

6"

(3/4")

(1")

(1 1

/4")

(1") (1 1/4")

(1 1

/8")

(3/4")

(1/4

")

DUCT

SEAL WATERTIGHT

FIBERGLASS INSULATION

SHEET METAL SLEEVE

SHEET METAL COLLAR

INSIDE FACE OF WALL

1" FLANGE & HEMALTERNATE POSITION OF BOLT

BOLT ON 4" CENTERS

1" X 1/8" BAND IRON

FLEXIBLE MATERIAL AS SPECIFIED

SHEETMETAL AS SPECIFIED FOR DUCTWORK

WASHER

FLANGED CONN. ON FAN OR AIR HANDLING UNIT

SHEET METAL AS SPECIFIED FOR DUCTWORK

DUCT

1 1/2" POCKET SLIP

NOTE 1

NOTES:1. 1 1/2" MIN. TO 3" MAX. INSTALLED.

6" NORMAL WITH MAT. TAUT.

DRAIN PAN

CASING SLEEVE,SEE CASING DETAIL

UNION IF REQUIREDFOR DISASSEMBLY

CLEAN - OUT(LEFT OPEN)

A = FULL SIZE AC UNIT CONNECTIONB = (1" FOR EACH 1" OF MAXIMUM NEGATIVE STATIC PRESSURE) + 1"C = HALF OF B

CB

A

WALL SLEEVE

EXTERIOR LOUVERAND DAMPER

OUTSIDE WALL

FOUNDATIONWALL

LEVELING LEG

LOCKED CONTROLPANEL

THRU WALLUNIT

SUPPLY AIR

DUCT

RETURN AIR

DUCT

GAS SUPPLY

FIELD SUPPLIEDFUSED DISCONNECTSWITCH

CONTROL WIRING TOINDOOR THERMOSTAT

TO POWERSUPPLY

CONDENSATETRAP AND DRAIN

CONCRETEMECHANICAL PAD

1. NEW SYSTEMS SHALL INTERLOCK WITH FIRE ALARM SYSTEM TO CONTROL DEVICES WITH FIRE ALARM INTERLOCKS.2. MECHANICAL CONTRACTOR TO COORDINATE WITH ELECTRICAL CONTRACTOR FOR EXACT QUANTITY AND LOCATIONS OF 120 V

CONTROLS POWER NECESSARY TO CONTROL PANELS, AUTOMATIC DAMPERS AND TERMINAL UNITS THROUGHOUT BUILDING.3. ALL SMOKE DETECTORS ARE PROVIDED AND WIRED BY ELECTRICAL, INSTALLED BY MECHANICAL.4. INSTALL SMOKE DETECTORS AT AC UNITS AS REQUIRED BY 2015 IMC. ALL AC UNITS WITH SMOKE DETECTORS SHALL BE

INTERLOCKED TO THE FIRE ALARM SYSTEM AND SHALL SHUT DOWN AND SHALL AUTOMATICALLY RESTART WHEN ALARM STATUS CLEARS.

5. PROVIDE ALL NECESSARY RELAYS, SWITCHES, SENSORS, LOW VOLTAGE CONTROL WIRING, ACTUATORS, ETC. FOR A COMPLETE AND FUNCTIONAL CONTROLS SYSTEM.

6. COORDINATE OCCUPIED / UNOCCUPIED SCHEDULE FOR VARIABLE REFRIGERANT SYSTEM WITH OWNER.7. SETPOINT TEMPERATURE:

A. OCCUPIED HOURS COOLING SETPOINT: 74°F (ADJ) B. OCCUPIED HOURS HEATING SETPOINT: 70°F (ADJ)C. UNOCCUPIED HOURS COOLING SETPOINT: 80°F (ADJ)D. UNOCCUPIED HOURS HEATING SETPOINT: 65°F (ADJ)E. VERIFY SETPOINTS WITH OWNER AND ADJUST AS REQUIRED.

8. THERMOSTATS TO BE PROGRAMMED WITH A MAXIMUM RANGE OF ADJUSTMENT FROM 68°F - 78°F AND A 2°F DEADBAND.9. VERIFY TOUCH SCREEN CONTROLLER LOCATION WITH OWNER. PROVIDE FOR WEB ACCESS FOR CONTROL & MONITORING.

CONTROL SYSTEM GENERAL NOTES:

CONTROL SEQUENCES:DEDICATED OUTDOOR AIR UNITS:THE DOAS UNITS SHALL BE INTEGRATED INTO THE EXISTING JEMISON HIGH SCHOOL CAMPUS CONTROL SYSTEM. COORDINATE INTEGRATION REQUIREMENTS WITH OWNER. THE CAMPUS BAS SHALL PROVIDE MONITORING, TEMPERATURE AND HUMIDITY SETPOINTS AND OCCUPIED / UNOCCUPIED SCHEDULING.

THE DOAS UNIT SHALL BE STARTED AND STOPPED BY THE BAS AND SHALL BE ENABLED DURING OCCUPIED MODE. THE INTERNAL DOAS UNIT CONTROLLER SHALL START AND STOP THE SUPPLY AND EXHAUST FANS, MODULATE THE COMPRESSOR, HOT GAS REHEAT AND GAS FURNACE AS REQUIRED TO MAINTAIN THE SPACE TEMPERATURE SETPOINT AND HUMIDITY. THE DOAS UNIT DISCHARGE AIR TEMPERATURE SETPOINT SHALL BE RESET PROPORTIONALLY ACCORDING TO THE OUTDOOR AIR TEMPERATURE. CALLS FOR COOLING OR HEATING SHALL OVERRIDE DISCHARGE AIR TEMPEARTURE RESET. DURING REHEAT MODES THE DOAS UNIT SHALL SUBCOOL AND REHEAT THE AIR WITH THE HOT GAS REHEAT COIL AS REQUIRED TO MAINTAIN A MAXIMUM DISCHARGE AIR RELATIVE HUMIDITY OF 50%. DURING UNOCCUPIED MODES THE DOAS UNIT SHALL MODULATE TO MAINTAIN THE UNOCCUPIED SPACE TEMPERATURE SET POINT AND A MAXIMUM SPACE HUMIDITY OF 60%.

OUTSIDE AIR

RETURN AIR

DX

COILM

HOA

SD

SD

AD

AD

AD

MIXED AIR

DAMPERS

SMOKE DETECTOR

M

SEE SCHEDULE

HOA

SEE SCHEDULE

TS HSSUPPLY AIR

RELIEF AIR

DISCHARGE TEMPERATURE SENSOR

DISCHARGE HUMIDITY SENSOR

GAS FURNACESTAGES AS SCHEDULEDUNIT CONTROLLER

INTERLOCK TOFIRE ALARM

INTERLOCK TOFIRE ALARM

INTERLOCKTO CAMPUS BAS

DX COILSTAGES AS SCHEDULED

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21 76543

CSA Project No.

Revision:

Sheet Description

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use

.rvt

M301

August 27, 2021

20059

DETAILS &CONTROLS

5000 Pulaski Pike NWHuntsville, AL 35810

DETAIL / NO.1SIDEWALL SUPPLY REGISTER

DETAIL / NO.2SUPPLY REGISTERS ON EXPOSED ROUND DUCT

DETAIL / NO.3ROUND NECK DIFFUSER W/ ELBOW

DETAIL / NO.4RETURN / EXHAUST GRILLE W/ FLEX

DETAIL / NO.5LINEAR BAR SIDEWALL DIFFUSER+

DETAIL / NO.6LINEAR BAR SIDEWALL DIFFUSER+

DETAIL / NO.7BRANCH DUCT CONNECTION

DETAIL / NO.8DUCT JOINTS AND SEAMS

DETAIL / NO.9DUCT OUTSIDE WALL PENETRATION

DETAIL / NO.10RECTANGULAR FLEXIBLE CONNECTION

DETAIL / NO.11AC UNIT DRAIN TRAP (NEGATIVE PRESSURE)

DETAIL / NO.12PACKAGED THROUGH WALL UNIT

DETAIL / NO.13PACKAGED HVAC UNIT

CONTROL / NO.1CONTROL SYSTEM GENERAL NOTES

CONTROL / NO.2DEDICATED OUTSIDE AIR UNIT CONTROLS

No. Description Date

A ADDENDUM 10/1/21

AA

RE9/27/20218

P-3P-4

P-5P-5 3"FD

P-1

CO

COCO

EX.4"

EX.4"

2

1

EX.4"

2"SD

2"SD

2"SDCO

COCO

3"

3"

2"

2"2"

2" 2"

EX.4"VTR

4"

4"

CO

2"

2"2"

4"

4"

EX.4"

2"SD

CO

2"

2"

2"

2"

2"

2"

2"

2"

2"

3"3"

2"

3"

1

2

EX.2"

P-5EX.2"

3

P-3P-5

P-5

2"SD2"SD

3"FD

P-14"

3"FD 4"3"

4"

3"

COTYP.

EX.4"VTR

EX.4"

2"

P-11

P-112"

2"

2"

2"

2"

2"

2"

3"3"

2"

2"

2"

2"

3"

4

4"

3"

3"

3" 2"

3"FD

3"FD

2"SD2"SD

2"

2"

3"

3"

3"VTR

P-5P-5

CO

CO

3"

3"FD3"

3"4"CO

3"VTR

P-2P-2

P-2

P-1

4"4"

3"

P-8A

P-8B

2"VTR4"

4"

4"

3"

2"

2"

3"

5

3"FD

P-10

3"FD

3"FDP-1

P-1

P-5

P-10CO

COCO

CO

4"

3"

3"

4"

2"

2"

2"

2"

2"

3"

2"

4"

4"

4"

2"

2"

2"

2"

3"VTR

4"

P-5

4"

2"

2"

2"

2"

3"

4"

6

4"

3"VTR

3"FD

3"FD

P-1

P-2

3"FD

P-3P-4

CO

CO

COCO

3"FD

P-5P-5

2"SD

2"SD

P-9

7

5

6 4"4"

3"

3"FD

3"FD

7

6

5

7

4"

3"

3"

2"

2"

2" 2"

3"

4"4"

4"

2"

2"

2"

2"

P-8A3"

2"

2"

3"

3"VTR

3"

2"

2"

2"

3"

3"

3"FD

CO

CO

3"FD

P-8B

21 76543

CSA Project No.

Revision:

Sheet Description

Date:


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Sheet No.


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20059

P301

20059

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August 27, 2021

5000 Pulaski Pike NWHuntsville, AL 35810

PROFESSIONALNo. 25396

WI L L I AM C . GOLD

EN

N G I N E E R

L I CENSEDA

L A B A M A

E

21.02.037

08/26/21

PLUMBING -RISERDIAGRAMS

NO SCALEP3011 PLUMBING - RISER DIAGRAMS

A ADDENDUM 10-1-21

08/27/2021

CHAPMAN SISSON ARCHITECTS

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