36C24620R0033-0008001.pdf

590 Means St., NW, Ste. 200 Atlanta, GA 30318

(404) 214-9774

EXPAND WOMEN'S HEALTH / PRIMARY CARE ADDITION

Hunter Holmes McGuire VAMC, Richmond, VA Project No. 652-315

ADDENDUM No. 1

Issue Date: May 11, 2020

The following clarifications, modifications or other changes are hereby incorporated into and made part of the Contract Documents for “EXPAND WOMEN'S HEALTH / PRIMARY CARE ADDITION, Hunter Holmes McGuire VAMC, Richmond, VA, Project No. 652-315”, dated February 14, 2020. Bidders shall acknowledge receipt of this and all future Addenda in locations provided on the Bid Proposal Form. In so acknowledging, the Bidders accept responsibility for all costs associated with the work described herein as a part of their Bid.

Changes to the Specifications

Item No. 1 Section 07 40 00 - Roofing and Siding Panels

A. ADD paragraph 1.1.B. to read as follows: Roofing Panel Basis of Design: Berridge Manufacturing Company, Berridge Tee Lock Standing Seam.

B. ADD paragraph 1.1.C. to read as follows: ACM Siding Panel Basis of Design: Stovall Engineered Building Products (This matches other existing and recent campus projects.)

C. ADD paragraph 1.1.D. to read as follows: Horizontal Siding Panel Basis of Design (Bid Alternate No. 2):

AEP Span – Perception Collection, PC40-12 Horizontal Metal Panel System.

Item No. 2 Section 07 54 23 – THERMOPLASTIC POLYOLEFIN (TPO) ROOFING

A. ADD new specification section for Bid Alternate No. 1. (See attached)

Item No. 3 Section 08 11 13 – Hollow Metal Doors and Frames

A. REPLACE Paragraph 2.1.A.4 to read as follows:

4. Sound Rated Doors and Frames: Minimum sound transmission class (STC) required for doors listed on Door Schedule. Tested according to ASTM E90.

VAMC Richmond, VA

Item No. 4 Section 08 14 00 – Interior Wood Doors

A. REVISE paragraph 2.1.A. to read as follows:

2.1.A. Basis of Design: Marshfield, Marquis Series (Lam. Faced Doors)

B. REVISE paragraph 2.2.B to read as follows:

2.2.B. Faces:

1. High-impact durable surface material.

2. Color: Wilsonart – 7925 Monticello Maple, verify with COR and VA Interior Designer.

C. REPLACE Paragraph 2.2.G.1 to read as follows:

1. STC Rating of door assembly in place when tested according to ASTM E90 by independent acoustical testing laboratory minimum STC rating as listed per door in Door Schedule.

D. ADD Door Hardware Set HW-12D for Doors 110A & 110B:

HW-12D

Each [ADO] Pair Integrated Double Egress Door to Have: RATED

1 Integrated Pair Doors w/Elec Q2331 x TYPE 8 (E04) ELECTRIC EXIT Exit Devices DEVICES (F01)

2 Continuous Transfer Hinges A51031B x 8 THRUWIRE TRANSFER x IN HINGE ACCESS PANEL

1 Power Supply BY EXIT DEVICE MFR. FOR E04 FUNCTION 1 Overlapping Astragal with R5Y634 x R0E154 x THRU BOLTS

Self Adhesive Seal 2 Armor Plates J101 x 1.275 mm (0.050 inch) THICKNESS 2 Floor Stops L02121 x 3 FASTENERS 1 Set Self Adhesive Seals R0E154

POWER, WIRING, CONDUIT, AND FIRE ALARM CONNECTION BY DIVISION 26.

POWER TRANSFER SHARED BY ELECTRIC PANIC AND RE-ACTIVATION SENSOR WIRING WITH RE-ACTIVATION

SENSORS.

AUTO DOOR OPERATOR AND CONTROLS BY SECTION 08 71 13, AUTOMATIC DOOR OPERATORS.

Item No. 5 Section 23 09 24 - Continuous Water Quality Monitoring and Instrumentation

A. ADD paragraph 1.1.E to read as follows: Basis of Design system manufacturer: s::can; micro::station Water Monitoring System(s).

B. As part of this system, other required components are: pipe::scan Temperature, Flow, Pressure, PH, and Chlorine Monitoring sensors/probes, insert devices and taps and all low voltage wiring, thermowells, LAN conduit and raceway to complete this system. Water heater, booster pump, and circulating pumps will also be connected to this system and the system must be able to communicate with the VA Monitoring System.

C. Details of the system can be found at: Recirculating Pumps Detail on P-401, Backflow Preventer Detail on P-401, Hot Water Return Thermostatic Balancing Valve Assembly Detail on P-401, Note Number 9 and Note Number 10 on PP-102, and shown on Domestic Water Distribution Isometric Riser Diagram on

PP301.

Changes to the Drawings Item No. 6 Sheet A601:

Room Finish Legend (Basis of Design)

A. OMIT WP-1 & WP-2: not used B. REVISE SS-1 & SS-2: SS-1 & SS-2 Manufacturer: Corian; Color: “Savannah”. “Savannah” will now be used for Bathroom Countertops and Aprons, as well as Window Sills, Reception, and Lounge Countertops.

Item No. 7 REVISE/REISSUE Sheet A611:

A. Door 101A: Basis of Design: Stanley Blast Slider, Dura-Shield Security Series B. Door 101B: Basis of Design: Stanley Telescoping Slider C. Door Type B: Change vision panel to “Safety Glass”.

D. Doors 110A & 110B: REPLACE Door Hardware Set “8E” with Door Hardware Set “12D” .

E. ADDED “STC” designation column to Door Schedule. (Revised Sheet A611 attached)

Item No. 8 Sheet M401:

Steam Pit Detail at Building 500

A. The Steam Pit Detail at Building 500 outlines configuration and elevations of grade and structure at the wall penetration for steam piping.

B. The wall detail below (NTS) is from the original building set (500-S6). Wall narrows for brick ledge at grade.

Item No. 9 Sheet ES101 & EP101

A. Power for the sump pump in steam pit #1 is shown on ES101, power for the sump pump in steam pit #4 is shown on EP101.

B. On sheet ES101, Note 17, the feeder size shall be changed to 2#8, #10G, 3/4” conduit to serve the sump pump GFCI receptacle at steam pit #1. Contractor to provide wire reducers at 20A/1P breaker in existing panel and pig tails at GFCI receptacle for final connections. Contractor to route 3#10, 3/4” conduit from sump pump circuit in steam pit #1 to steam pit #2 in steam trench and provide GFCI receptacle with in-use weatherproof cover at top of pit to serve the sump pump in steam pit #2.

C. On sheet E601, panel DLQINA, circuit number 42, the feeder size shall be changed to 3#10, 3/4” conduit to serve the GFCI receptacle at steam pit #4 shown on sheet EP101. Contractor to route 3#10, 3/4” conduit from sump pump circuit in steam pit #4 to steam pit #3 in steam trench and provide GFCI receptacle with in-use weatherproof cover at top of pit to serve the sump pump in steam pit #3.

D. Use the same trench as the steam piping to route the wiring for items above.

End of Addendum No. 1

Attachments:

Annotated RFP Questions 36C24620R0033 Section 07 54 23 for Bid Alt No. 1 Sheet A611 - Reissue