A4-1a 0_MEM2026-0430_IHS-Whiteriver-Hospital_BID-Addendum-B.pdf
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- Attached to
- Whiteriver Hospital Construction
- Solicitation number
- 75H70126R00016
About this file
This is Addendum B to the project manual for the IHS Whiteriver Hospital construction project located in Whiteriver, Arizona. The addendum, issued on 4/30/2026 by SmithGroup on behalf of the Indian Health Service, clarifies, revises, and supersedes information contained in the original project documents and drawings.
The addendum addresses multiple categories of revisions. For mechanical specifications, it adds additional manufacturers to Section 237323 (Custom Outdoor Central-Station Air-Handling Units) and Section 238214 (Chilled Beams), and revises maintenance material submittals in Section 230900 (Instrumentation and Control for HVAC). The addendum includes attic stock, spare parts, and extra materials clarifications across 19 specification sections covering domestic water systems (pumps, booster pumps, water heaters, water closets, urinals), HVAC equipment (rooftop air conditioning units, split-system air-conditioners), electrical systems (power monitoring, switchboards, panelboards, motor control centers, transfer switches, surge protection), and wastewater treatment systems (mixers, reclaimed water pumping systems, MBR systems, and polymer blending systems). One missing grading and drainage drawing sheet (BP1_C4.05B Phase 2) is added to the set. The addendum revises 14 exterior building elevation drawing sheets to clarify graphic legends and ACM panel specifications. Additional drawing revisions address millwork changes in the wellness reception area, wall protection details at multiple levels, and electrical one-line diagram clarifications. Bidders are required to acknowledge receipt of this addendum on the Bid Form.
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Text version
ADDENDUM
www.smithgroup.com
PROJECT IHS Whiteriver Hospital
NUMBER
B
PROJECT NO. 14904.000 DATE 4/30/2026
PROJECT
LOCATION
Whiteriver, AZ
OWNER Indian Health Service
PREPARED BY
SmithGroup
NAME COMPANY
Owner Indian Health Service Contractor or Bidder Attn: Bidders Team Team
This Addendum is issued pursuant to the Instructions to Bidders and/or Conditions of the Contract. This Addendum serves to clarify, revise, and supersede information in the Project Manual, Drawings, and previously issued Addenda. Portions of the Addendum affecting the Contract Documents will be incorporated into the Contract by enumeration of the Addendum in the Owner/Contractor Agreement. The Bidder shall acknowledge receipt of this Addendum in the appropriate space on the Bid Form.
ADDENDUM-B TO ADDRESS: CIVIL BID RFI CLARIFICATIONS; MECHANICAL SPECS
MANUFACTURERS, INTERIOR FINISHES & WALL PROTECTION CLARIFICATIONS,
WTTP SPEC EDITS TO ATTIC STOCK, BID RFI 025 - ELECTRICAL DISTRIBUITION
PANEL, BID RFI 050 - EXTERIOR ELEVATIONS GRAPHIC LEGEND / ACM PANELS
CLARIFICATIONS
DOCUMENTS ISSUED WITH THIS DOCUMENT
PART 1 - REVISED DOCUMENTS ISSUED WITH THIS DOCUMENT
1.1 REVISED PROJECT MANUAL DOCUMENTS AND SPECIFICATIONS
A. LIST DOCUMENTS AND SPECIFICATIONS REVISED AND (PROVIDE BRIEF
DESCRIPTION OF CHANGE)
1. SECTION 237323 - CUSTOM OUTDOOR CENTRAL-STATION AIR-HANDLING
UNITS (Additional manufacturers)
2. SECTION 238214 - CHILLED BEAMS (Additional manufacturers)
3. SECTION 230900 - INSTRUMENTATION AND CONTROL FOR HVAC
(Add/Revise the maintenance material submittals)
ATTIC STOCK, SPARE PARTS, AND EXTRA MATERIALS CLARIFICATIONS
TO SPECS AS FOLLOWS:
4. SECTION 221123 – DOMESTIC WATER PUMPS - WTTP
5. SECTION 221123.13 – DOMESTIC WATER PACKAGED BOOSTER PUMPS-
WWTP
6. SECTION 221429– SUMP PUMPS-WWTP
7. SECTION 223330– ELECTRIC DOMESTIC WATER HEATERS-WWTP
8. SECTION 224213.13– COMMERCIAL WATER CLOSETS-WWTP
9. SECTION 224213.16– COMMERCIAL URINALS CLOSETS-WWTP
10. SECTION 237416.11 – PACKAGED SMALL CAPACITY ROOFTOP AIR
CONDITIONING UNITS-WWTP
11. SECTION 238126– SPLIT-SYSTEM AIR-CONDITIONERS-WWTP
12. SECTION 260913 – ELECTRICAL POWER MONITORING AND CONTROL-
WWTP
13. SECTION 262413 – SWITCHBOARDS-WWTP
14. SECTION 262416 – PANELBOARDS-WWTP
15. SECTION 262419 – MOTOR CONTROL CENTERS-WWTP
16. SECTION 263600 – TRANSFER SWITCHES-WWTP
17. SECTION 264313 – SURGE PROTECTION FOR LOW-VOLTAGE
ELECTRICAL POWER CIRCUITS-WWTP
18. SECTION 412213.17 – DAVIT AND GANTRY CRANES-WWTP
19. SECTION 432256 – SUBMERSIBLE MIXERS-WWTP
20. SECTION 432332 – RECLAIMED WATER PUMPING SYSTEM-WWTP
21. SECTION 460754 – PACKAGE MBR SYSTEM-WWTP
22. SECTION 431155.02 – DES POLYMER BLENDING SYSTEM-WWTP
23. SECTION 431155.03 – PACKAGE MBR SYSTEM-WWTP
1.2 REVISED DRAWING SHEETS
A. List drawings sheets revised and (provide brief description of changes)
1. BP1_C4.05B – GRADING & DRAINAGE - PHASE 2 (Added Missing Sheet from Set)
EXTERIOR ELEVATIONS “GRAPHIC LEGEND” CLARIFICATIONS AS
FOLLLOWS:
2. BP1_A4.1.1 - EXTERIOR BUILDING ELEVATIONS OVERALL -B/W
3. BP1_ A4.1.1c - EXTERIOR BUILDING ELEVATIONS OVERALL -COLOR
4. BP1_ A4.4.1 - ENLARGED EXTERIOR BUILDING ELEVATIONS
5. BP1_A4.4.2 - ENLARGED EXTERIOR BUILDING ELEVATIONS
6. BP1_ A4.4.3 - ENLARGED EXTERIOR BUILDING ELEVATIONS
7. BP1_ A4.4.4 - ENLARGED EXTERIOR BUILDING ELEVATIONS
8. BP1_ A4.4.5 - ENLARGED EXTERIOR BUILDING ELEVATIONS
9. BP1_ A4.4.6 - ENLARGED EXTERIOR BUILDING ELEVATIONS
10. BP1_ A4.4.7 - ENLARGED EXTERIOR BUILDING ELEVATIONS
11. BP1_ A4.4.8 - ENLARGED EXTERIOR BUILDING ELEVATIONS
12. BP1_ A4.4.9 - ENLARGED EXTERIOR BUILDING ELEVATIONS
13. BP1_ A4.4.10 - ENLARGED EXTERIOR BUILDING ELEVATIONS
14. BP1_ A4.4.11 - ENLARGED EXTERIOR BUILDING ELEVATIONS
15. BP1_ A7.7.5 - ENLARGED PLAN AND ELEVATIONS - WELLNESS
RECEPTION (Millwork Revised per BID RFI 031 Response)
16. BP1_ AI1.1.3 - INTERIOR FINISH DETAILS (Revised Wall Protection WP-03)
17. BP1_ AI3.1.1A - LEVEL 1 (LOWER GROUND) - WALL PROTECTION PLAN -
AREA A (Revised Wall Protection WP-03 callouts)
18. BP1_ AI3.2.1C - LEVEL 2 (UPPER GROUND) - WALL PROTECTION PLAN -
AREA C (Revised Wall Protection WP-03 callouts)
19. BP1_ AI3.1.1C - LEVEL 1 (LOWER GROUND) - WALL PROTECTION PLAN -
AREA C (Revised Wall Protection WP-04 callouts)
20. BP1_E5.5.1 – ELECTRICAL ONE LINE DIAGRAM – SES-E (Clarification per
BID RFI 025)
END OF DOCUMENT
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