Addendum 1 Dcpl09r0019-nar

Georgetown Neighborhood Library – Bid Packages 7 through 11 and 14 through 22 Solicitation No. DCPL-2009-R-0019 Addendum No. 1

NOTICE TO ALL OFFERORS: This Addendum modifies (changes, adds to, deletes from) and/or interprets the Bidding Documents (Project Manual and/or Drawings, 9 JULY 2009 100% Final Construction Set), and becomes part of the Contract between the Owner and Contractor upon execution of the Agreement. Bidders shall acknowledge receipt of this Addendum by inserting its number and date in the designated spaces on their Proposal.

REFER TO SPECIFICATION MANUAL – VOLUME I: Section 01330

SUBMITTAL PROCEDURES Delete section. Insert attached section in existing Volume I.

Section 01810

GENERAL COMMISSIONING REQUIREMENTS Delete section. Insert attached section in existing Volume I.

Section 08800

GLAZING Delete section. Insert attached section in existing Volume I.

Section 09751

INTERIOR STONE FACING Add section. Insert attached section in existing Volume I.

REFER TO SPECIFICATIONS – VOLUME II Section 15995

MECHANICAL SYSTEMS COMMISSIONING Delete section. Insert attached section in existing Volume II

Section 16500

LIGHTING FIXTURES CUTSHEETS AND SCHEDULE Delete page 4 of Lighting Fixture Schedule. Insert attached page four in existing Volume II. Delete OC2 cutsheet page from Lighting Fixture Cutsheets. Insert attached OC2 cut sheet page in existing Volume II.

Section 16995

ELECTRICAL SYSTEMS COMMISSIONING Delete section. Insert attached section in existing Volume II

Drawing/Part

Revision / Action

Civil C-3.00

Utility Plan: Add 6” sch40 PVC pipe to connect building foundation drain to the 3rd chamber of the SWM vault.

Civil C-3.10

Utility Profiles: 6” sch40 PVC pipe to foundation drain connection pipe shown in storm profile.

Civil C-4.00

Grading & Stormwater Plan: Add 6” sch40 PVC pipe to connect building foundation drain to the 3rd chamber of the SWM vault.

Civil C-4.10

Stormwater Management Details 2: Add 6” sch40 PVC pipe connection to the 3rd chamber of the SWM vault detail for foundation drain.

Civil C-5.10

ESC Plan Phase 2: Add 6” sch40 PVC pipe to connect building foundation drain to the 3rd chamber of the SWM vault.

Architectural A-1.01

First Level Plan: Add partition type P4-1 to wall on Column Line 4. See attached ASK-04.

Architectural A-1.03

Third Level Plan: Extent of UL No. L524 floor assembly shown on architectural drawing. See attached A-1.03.

Architectural A-3.11

Detail 05 & 01/A-3.11: Note location of “Waterproofing Membrane and Drainage Board”. See attached ASK-07 and ASK-08.

Architectural A-3.14

Wall Sections (Floor Assemblies): Clarification of note in 08/A-3.14. See attached ASK- 09. See attached Floor Assembly Clarification RFC-81.

Architectural A-3.20

Detail 10/A-3.20: Note location of light gauge roof framing. (See Spec Section 05400) Note location of wood framing behind gutter. (See Spec Section 07620) Modify “Extend Masonry Wall” note, insert “See Structural”. See attached ASK-06.

Mechanical M-0.01

Symbols Mechanical: Add abbreviation and symbol for fire damper.

Mechanical M-1.01

Lower Level Plan Mechanical: Add abbreviation and symbol for fire damper.

Mechanical M-1.02

First Level Plan Mechanical: Add abbreviation and symbol for fire damper.

Mechanical M-1.03

Second Level Plan Mechanical: Add abbreviation and symbol for fire damper.

Mechanical M-1.04

Third Level Plan Mechanical Add abbreviation and symbol for fire damper.

Electrical E00

Symbol List, Notes Revised Lighting Fixture Schedule (interior and exterior) Add fire/smoke damper symbol to show interface with mech and elec drawings.

Electrical E1

Lower Level Plan-Lighting: Removed exit and emerg lights from normal power circuit breakers. Placed all exit and emerg lights on new panel EM circuits

Electrical E2

First Level Plan-Lighting: Same as above noted for E1.

Electrical E3

Second Floor Lighting: Same as above noted for E1.

Electrical E4

Third Level Plan Lighting Same as above noted for E1.

Electrical E9

Power & Fire Alarm Riser Diagrams: Add partition type P4-1 to wall on Column.

Electrical E10

Panel Schedules: Changed lighting circuit assignments and revised loads in panels HG, H1, H2, and H3. Add UPS/Inverter to main switchboard. Revised loads in main switchboard.

Plumbing P-1.01

Lower Level Plan Plumbing: Relocated gas line

Plumbing P-2.01

Enlarged Plan Plumbing: Relocated gas line.