36C26318B0004-A00002001.pdf

Addendum 1 .

ADDENDUM NUMBER ONE

Veterans Affairs Medical Center Correct Physical Security Deficiencies Grand Island VA Medical Center, Holdrege CBOC, North Platte CBOC, and O'Neill CBOC Project Number 636-16-203

2201 Broadwell Avenue Grand Island, Nebraska

CLH Project #: 2017-01

DATE OF ISSUE: January 17, 2018

NOTICE

THIS ADDENDUM IS ISSUED BY THE ARCHITECT TO ALL KNOWN

INDIVIDUALS, FIRMS OR CORPORATIONS WHO HAVE OBTAINED OR

RECEIVED DOCUMENTS FOR THE ABOVE LISTED PROJECT. THIS

ADDENDUM SHALL BECOME PART OF THE CONTRACT DOCUMENTS AS

A REVISION TO THE ORIGINAL DOCUMENTS.

CHANGES TO SPECIFICATIONS

None.

CHANGES TO DRAWINGS

1. Sheet M-301 Mechanical Details and Schedules

a. Delete the Split System Schedule on this sheet and replace with the attached Split System Schedule.

b. Add the attached Mechanical and Electrical Coordination schedule to this sheet.

THIS ADDENDUM IS HEREBY MADE A PORTION OF THE CONTRACT

DOCUMENTS. GENERAL CONTRACTOR IS REQUIRED TO

ACKNOWLEDGE RECEIPT OF THIS ADDENDUM.

By: __________________________________ Calvin L. Hinz, Principal

Attachments:

Sketch M-301.1.

OUTDOOR CLG (MBH) INDOOR UNIT OUTDOOR UNIT

UNIT MARK TOTAL CAPACITY BACKUP KW MODEL NO. MODEL NO.

CU-1 530 18.7 23.7 N/A LENNOX MWMA018 MLA018 1, 2, 3, 4, 5, 6

1.

2.

3. PROVIDE INTEGRAL CONDENSATE PUMP, MOUNTING BRACKET, AND OUTDOOR MOUNTING BRACKET AND INSULATED LINE SETS.

4.

5. UNIT SHALL BE MINIMUM 13.0 SEER.

6. PROVIDE THERMOSTAT AND A SENSOR IN THE SPACE TO CONNECT TO EXISTING BAS.

UNIT SHALL BE ABLE TO COOL WITH AMBIENT TEMPERATURES AS HIGH AS 100 DEG F AND AS LOW AS -20 DEG F.

SEE MECHANICAL/ELECTRICAL COORDINATION SCHEDULE FOR ELECTRICAL DATA.

REMARKS:

REFRIGERANT SHALL BE R-410A.

SS-1

SPLIT SYSTEM UNIT SCHEDULE

MANUFACTURER REMARKS

INDOOR

UNIT MARK

CFM

HEATING DATA

E HP 4X V

M KW PH VFD

I MR RE

C RV 2S

NF SF 3S

CB NR SS

FV N1 SH

FLA 3R STE

NAMEPLATE

CU-1 /

SS-1

OUTDOOR DUCTLESS

SPLIT UNIT

18 MCA 208 1 E/E SS 30 MR N1 - - - -

A.

B.

C.

D.

E.

F.

1.

2.

3.

4.

VARIABLE FREQUENCY

DRIVE

PHASE

REVERSING

NON-FUSED

NON-REVERSING

REDUCED VOLTAGE

THREE SPEED

PER MANUFACTURER'S

RECOMMENDATION

HORSEPOWER

KILOWATTSMECHANICAL CONTRACTOR

INTEGRAL WITH EQUIPMENT

CIRCUIT BREAKER

FULL VOLTAGE

COMBINATION STARTER AND

SAFETY SWITCH

FULL LOAD AMPS

LOAD

REFER TO SPECIFICATIONS FOR ADDITIONAL REQUIREMENTS

DISCONNECT

MARK DESCRIPTION REMARKS

ENCL.

MOTOR STARTER

V

ELECTRICAL CONTRACTOR TO PROVIDE DISCONNECT AND STARTER INTEGRAL WITH MOTOR CONTROL CENTER.

PROVIDE LOCKABLE DISCONNECT INTEGRAL WITH VFD.

TYPE

RATING

(AMPS)

INDUSTRIAL CONTROL PANELS AS DEFINED BY NEC ARTICLE 409, MOTOR CONTROLLERS, HERMETIC REFRIGERANT MOTOR COMPRESSORS AND EQUIPMENT

SHALL BE MARKED WITH INFORMATION AS REQUIRED BY THE NATIONAL ELECTRICAL CODE (NEC). MARK IN ACCORDANCE WITH NEC ARTICLE 409.110 FOR

INDUSTRIAL CONTROL PANELS, NEC ARTICLE 430.8 FOR CONTROLLERS AND NEC ARTICLE 440.4(B) FOR HERMETIC REFRIGERANT MOTOR COMPRESSORS AND

EQUIPMENT. THE MARKED SHORT CIRCUIT CURRENT RATING (SCCR) SHALL BE NO LESS THAN THE VALUE INDICATED ABOVE.

PH

RATING

VERIFY/COORDINATE ALL RATINGS FOR EQUIPMENT. WHERE SUCH RATINGS ARE OTHER THAN THAT INDICATED ON MECHANICAL/ELECTRICAL COORDINATION

SCHEDULE, PROVIDE DISCONNECTS, MOTOR STARTERS, OVERCURRENT DEVICES AND RELATED REVISIONS ACCORDINGLY. WHERE EQUIPMENT IS PROVIDED

WITH RATINGS OTHER THAN THAT INDICATED, CONTRACTOR SHALL BE RESPONSIBLE FOR COORDINATION AND ASSOCIATED COSTS FOR REVISIONS.

EQUIPMENT LISTED IN SCHEDULE MAY APPEAR IN NUMEROUS LOCATIONS. EQUIPMENT MARKS ARE DESIGNATED BY UNIQUE IDENTIFIERS ON THE PLANS; I.E., HP-

1.1, HP-1.2. IN THESE INSTANCES, THE ELECTRICAL REQUIREMENTS DO NOT CHANGE FROM ONE MARK TO THE NEXT, ONLY THE UNIQUE IDENTIFIER CHANGES.

HORSEPOWER RATED SWITCHES (SH): FOR 120 V MOTORS LESS THAN 1/2 HP, PROVIDE FUSEHOLDER WITH SWITCH, FUSED PER MANUFACTURER'S

RECOMMENDATION AND NEC REQUIREMENTS. FOR 120 V MOTORS RATED 1/2 HP OR 3/4 HP, PROVIDE HP RATED TOGGLE SWITCH (WHERE BRANCH CIRCUIT

OVERCURRENT DEVICE MEETS NEC REQUIREMENTS FOR SHORT-CIRCUIT PROTECTION) OR FUSED SAFETY SWITCH.

GENERAL NOTES:

REMARKS:

PROVIDE FRACTIONAL HORSEPOWER MOTORS WITH INTEGRAL OVERLOAD PROTECTION.

FOR MOTORS CONTROLLED BY VARIABLE FREQUENCY DRIVES, PROVIDE FACTORY INSTALLED SHAFT GROUNDING THAT REQUIRES NO MAINTENANCE FOR THE

SERVICE LIFE OF THE MOTOR.

MECHANICAL / ELECTRICAL COORDINATION SCHEDULE

VOLTAGE

TWO SPEED

NEMA 4X

ABBREVIATION:

ELECTRICAL CONTRACTOR

FUSE HOLDER WITH SWITCH

SAFETY SWITCH

HP RATED SWITCHNEMA 1

NEMA 3R

FURNISH/

INSTALL

BY

MINIMUM

SCCR

(AMPS)

ENCL.

FUSE

SIZE

TYPE/

NEMA

SIZE

FURNISH/

INSTALL

BY

THERMAL ELEM. SWITCH

VFD PROVIDED BY MECHANICAL.

PROVIDE EXHAUST FAN MOTOR FACTORY-WIRED TO WEATHERPROOF JUNCTION BOX INTEGRAL WITH FAN. ELECTRICAL CONTRACTOR TO PROVIDE

WEATHERPROOF HORSEPOWER RATED SWITCH (SEE GENERAL NOTES ABOVE).