Amendment_4_drawing_narrative.pdf

Addenda 17 July 2018

AECOM NO. 60443615 AMENDMENT 4

1 - 1

RENOVATION HANGAR 885

Rickenbacker ANG Base

P#60443615

TO ALL BIDDERS:

This Addendum is issued to modify the original Project Manual and Drawings and is hereby made a part of the

Contract Documents. Please attach this Addendum to the Project Manual(s) in your possession. Insert the number of this Addendum in the blank space provided on the Bid Form. Bidders shall review changes to all portions of the work, as changes to one portion may affect the work of another.

Manufacturers, added by this Addendum as approved suppliers of material, equipment, and systems, shall be solely responsible for furnishing work which meets the design, performance, service and appearance criteria established by the Specifications. The Architect shall determine the intent of the Documents.

Change No.

CHANGES TO DRAWINGS

CIVIL

1. C300 – SITE PLAN – Multiple concrete pads for mechanical units were consolidated into one single pad accommodating all three units

ARCHITECTURAL

1. AD101-A – FIRST FLOOR DEMOLITION PLAN – AREA A – Doors 108 and 109 to NOT be demolished and are to remain

2. AD141 – ROOF DEMOLITION PLAN - Sheet reissued to give more information on exterior roof replacement.

3. A102-A – FIRST FLOOR CALL OUT PLAN – AREA A – Doors 108 and 109 now represented as existing to remain. Door tag number removed therefore not in the project.

4. A122-E – SECOND FLOOR CEILING PLAN – AREA E – Keynote C007 calls out windows to receive roller shades

5. A141 – ROOF PLAN – EXTERIOR – Sheet reissued to give more information on the exterior roof replacement

6. A602 – DOOR SCHEDULE

a. Door 108 is existing door to remain, so no hardware set – removed from door schedule

b. Door 109 is existing door to remain, so no hardware set – removed from door schedule

c. Door 111 hardware set changed to hardware set 46

HVAC

1. MD103-E – THIRD FLOOR HVAC DEMOLITION PLAN – AREA E

a. Sheet is being issued and was not previously included in the bid set.

2. MH101 - FIRST FLOOR HVAC PLAN - OVERALL

a. Plan updated with new outdoor heat pump units.

3. MH101-A – First Floor HVAC PLAN – Area A

1 - 2

4. MH101-B - First Floor HVAC PLAN – Area B

a. Refrigerant monitoring added to the mechanical room.

5. MH101-D - First Floor HVAC PLAN – Area D

6. MH103-D - Third Floor HVAC PLAN – Area D

a. Branch Controller naming updated

7. MH103-E - Third Floor HVAC PLAN – Area E

8. MP101 - FIRST FLOOR PIPING PLAN - OVERALL

9. MP101-A – First Floor Piping PLAN – Area A

10. MP101-B - First Floor Piping PLAN – Area B

a. Refrigerant piping updated to branch controllers.

11. MP101-D - First Floor Piping PLAN – Area D

a. Plan updated with new outdoor heat pump units and refrigerant piping.

12. MP102-D – Second Floor Piping PLAN – Area D

a. Plan updated with new refrigerant piping.

13. MH103-D - Third Floor Piping PLAN – Area D

a. Refrigerant piping and Branch Controller naming updated

14. MH103-E - Third Floor Piping PLAN – Area E

15. M401 – HVAC Enlarged plans/sections

a. AHU1 Flue size corrected 10” to match plans.

16. M504 – HVAC Diagrams

a. Refrigerant piping diagrams updated.

17. M505 – HVAC Diagrams

a. Refrigerant control diagrams updated.

18. M506 – HVAC Diagrams

a. Refrigerant control diagrams updated.

19. M604 – HVAC Details

a. Detail 5, SCIF penetration detail added.

20. M701 – HVAC Schedules

1 - 3

a. Air Handling unit schedule updated to include 90% burner performance.

21. M702 – HVAC Schedules

a. Outdoor heat pumps schedule updated with additional units. Rated heating capacity changed to -

22 deg F performance.

b. Indoor branch controllers naming updated and sizes changed.

ELECTRICAL

1. EC102 - SECOND FLOOR ELECTRICAL COMPOSITE PLAN

a. Added existing hanger lighting and existing radiant heaters.

b. Added coded notes for existing equipment.

2. ED101 - FIRST FLOOR ELECTRICAL DEMOLITION PLAN

a. Located existing panels LB and PB.

b. Located existing oil separator control panel.

c. Moved panels PK and NAE-15.

d. Moved radiant heaters to second floor demolition.

3. ED102 - SECOND FLOOR ELECTRICAL DEMOLITION PLAN

a. Added existing hanger lighting and existing radiant heaters.

4. EL103-E - THIRD FLOOR ELECTRICAL LIGHTING PLAN - AREA E

a. Added existing hanger lighting.

5. EP101-A - FIRST FLOOR ELECTRICAL POWER PLAN - AREA A

a. Added new mechanical equipment circuiting

b. Renamed mechanical equipment

6. EP101-B - FIRST FLOOR ELECTRICAL POWER PLAN - AREA B

a. Added junction boxes for electric hand dryers

b. Moved receptacles

7. EP101-C - FIRST FLOOR ELECTRICAL POWER PLAN - AREA C

a. Moved power panels to sheet EP101-D

b. Modified circuit

c. Added new mechanical equipment circuiting

d. Renamed mechanical equipment

8. EP101-D - FIRST FLOOR ELECTRICAL POWER PLAN - AREA D

a. Located power panels from area C

b. Added power circuit for additional mechanical equipment

9. EP101-E - FIRST FLOOR ELECTRICAL POWER PLAN - AREA E

a. Added circuit for oil water separator control panel

1 - 4

b. Added power circuit for additional mechanical equipment

c. Added junction boxes for electric hand dryers

d. Moved receptacles

10. EP102-A - SECOND FLOOR ELECTRICAL POWER PLAN - AREA A

a. Added existing radiant heaters.

11. EP102-E - SECOND FLOOR ELECTRICAL POWER PLAN - AREA E

a. Added junction boxes for electric hand dryers

b. Moved receptacles

12. E501 - ELECTRICAL DEMOLITION RISER DIAGRAM

a. Changed panel from ‘LP’ to ‘LB’

13. E503 - ELECTRICAL 208V AND 240V ONE-LINE DIAGRAM

a. Added mechanical equipment

c. Mechanical equipment feeders changed size

14. E603 - MECHANICAL EQUIPMENT SCHEDULES

a. Added mechanical equipment

c. Changed mechanical circuiting requirements

15. E604 - ELECTRICAL SCHEDULES

a. Added circuit breakers in panel ‘DL-202’

b. Added circuit breakers in panel ‘DL-203’

16. E605 - ELECTRICAL SCHEDULES

a. Assigned circuit breaker in panel ‘PH-203’ for existing equipment

17. E606 - ELECTRICAL SCHEDULES

a. Assigned circuit breaker in panel ‘PL-105’ for receptacle

b. Added breakers in panel ‘PL-107’

c. Changed breaker in panel ‘PL-108’ to spare

18. E607 - ELECTRICAL SCHEDULES

a. Added breakers in panel ‘PL-111’

b. Added breakers in panel ‘PL-204’

19. E608 - ELECTRICAL SCHEDULES

a. Assigned circuit breakers in panel ‘LI-103’ for existing lighting

b. Added spare circuit breakers in panel ‘LI-103’

CHANGES TO PROJECT MANUAL ______________________________________________

1 - 5

1. 321216 – Asphalt Paving – Section Added

2. 323113 – Chain Link Fences and Gates – Sections Added

END OF AMENDMENT 4

Attachments: