A2-1a MEM2026-0416_IHS-Whiteriver-Hospital_BID-Addendum-A.pdf
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- Whiteriver Hospital Construction
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This is Addendum A to the IHS Whiteriver Hospital construction project in Whiteriver, Arizona. The addendum, issued by SmithGroup on April 16, 2026, clarifies and revises information contained in the original Project Manual, Drawings, and contract documents. Bidders must acknowledge receipt of this addendum on the Bid Form.
The addendum addresses multiple revisions across 40 revised specification sections and 35 revised drawing sheets. Key specification revisions include: Section 012300 (Radon Mitigation Option as a bid option with delegated design), Section 087100 (Door Hardware Set 182.0 clarifying door elevations), and attic stock and spare parts clarifications for glazing, interior and exterior painting, signage, laboratory casework, quartz countertops, plumbing valves and piping, water softeners and filtration, drinking fountains, gas piping, HVAC equipment, electrical switchgear and panelboards, lighting, communications cabling, fire alarm systems, and irrigation systems. Drawing revisions provide clarifications to ADOT pavement specifications and rip rap gradation tables, security bollard details, interior elevations and art finishes, door and frame elevations, HVAC plans with boiler emergency shutdown specifications, electrical one-line diagrams for multiple substations (SES-A through SES-E, UPS, and solar systems) with updated equipment notes, distribution and panel board schedules, and storm drain and civil details. The revisions also respond to specific bidder requests for information (RFIs 12, 16, 18, and 19) regarding security bollards, door elevations, and related architectural elements.
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ADDENDUM
www.smithgroup.com
PROJECT IHS Whiteriver Hospital
NUMBER
A
PROJECT NO. 14904.000 DATE 4/16/2026
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-A TO ADDRESS: ADOT TABLE, DIETARY FIN DETAILS, SPECS: BID
OPTION FOR DELEGATED DESIGN FOR RADON MITIGATION, CONFIRMATION OF
ATTIC STOCK, ADDING BOILER EMERGENCY SHUTDOWN TO ELECTRICAL CUP
POWER PLAN, UL CONSTRUCTION CONFIGURATION OF MAJOR ELECTRICAL
EQUIPMENT, ADDED SPD TO SES'S, DOOR HARDWARE AND ELEVATIONS
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 012300 – OPTIONS (Radon Mitigation Option)
2. SECTION 087100 - DOOR HARDWARE, Set 182.0 (Revised to clarify Door
Elevations / Hardware) Attic Stock, Spare Parts, and Extra Materials Clarifications to Specs as follows:
3. SECTION 088000 – GLAZING
4. SECTION 099113 - EXTERIOR PAINTING
5. SECTION 099123 - INTERIOR PAINTING
6. SECTION 101400 – SIGNAGE
7. SECTION 123553 - GENERAL REQUIREMENTS FOR LABORATORY
CASEWORK AND FUME HOODS
8. SECTION 123661.19 - QUARTZ AGGLOMERATE COUNTERTOPS
9. SECTION 220523.12 - BALL VALVES FOR PLUMBING PIPING
10. SECTION 220523.13 - BUTTERFLY VALVES FOR PLUMBING PIPING
11. SECTION 220523.14 - CHECK VALVES FOR PLUMBING PIPING
12. SECTION 220523.15 - GATE VALVES FOR PLUMBING PIPING
13. SECTION 221116 - DOMESTIC WATER PIPING
14. SECTION 221119 - DOMESTIC WATER PIPING SPECIALTIES
15. SECTION 221123 - DOMESTIC WATER PUMPS
16. SECTION 223100 - DOMESTIC WATER SOFTENERS
17. SECTION 223200 - DOMESTIC WATER FILTRATION EQUIPMENT
18. SECTION 224700 - DRINKING FOUNTAINS AND WATER COOLERS
19. SECTION 226313 - GAS PIPING FOR LABORATORY AND HEALTHCARE
FACILITIES
20. SECTION 232123 - HYDRONIC PUMPS
21. SECTION 233416 - CENTRIFUGAL HVAC FANS
22. SECTION 233423 - HVAC POWER VENTILATORS
23. SECTION 233433 - AIR CURTAINS
24. SECTION 238126 - SPLIT-SYSTEM AIR-CONDITIONERS
25. SECTION 238219 - FAN COIL UNITS
26. SECTION 238239 - UNIT HEATERS
27. SECTION 238413 – HUMIDIFIERS
28. SECTION 260923 - LIGHTING CONTROL DEVICES
29. SECTION 262300 - LOW-VOLTAGE SWITCHGEAR
30. SECTION 262313 - PARALLELING LOW-VOLTAGE SWITCHGEAR
31. SECTION 262413 – SWITCHBOARDS
32. SECTION 262416 – PANELBOARDS
33. SECTION 262726 - WIRING DEVICES
34. SECTION 262816 - ENCLOSED SWITCHES AND CIRCUIT BREAKERS
35. SECTION 263600 - TRANSFER SWITCHES
36. SECTION 265100 - INTERIOR LIGHTING
37. SECTION 265600 - EXTERIOR LIGHTING
38. SECTION 271500 - COMMUNICATIONS HORIZONTAL CABLING
39. SECTION 283111 - DIGITAL, ADDRESSABLE FIRE-ALARM SYSTEM
40. SECTION 328000 - IRRIGATION SYSTEM
1.2 REVISED DRAWING SHEETS
A. List drawings sheets revised and (provide brief description of changes)
1. ADOT_RD2.2 – GENERAL NOTES & DESIGN DATA (Clarification to Rip Rap Gradation Table)
2. ADOT_RD4.1 – TYPICAL SECTIONS (Clarification to Pavement Section 1 & 2)
3. ADOT_RD5.3 – PAVING PLAN & PROFILE (Clarification to Construction Notes
65 “Dump Rip Rap”)
4. ADOT_RD5.5 – PAVING PLAN & PROFILE (Clarification to Construction Notes
65 “Dump Rip Rap”)
5. ADOT_RD5.6 – PAVING PLAN & PROFILE (Clarification to Construction Notes 65 “Dump Rip Rap”)
6. BP1_LS5.0.2 – SITE DETAILS, DETAIL-1 “SECURITY BOLLARD” (Response to BID RFI-12)
7. BP1_A8.1.3 – INTERIOR ELEVATIONS (Clarification Keynote AI103 – Art Fins)
8. BP1_A9.3.7 – DOOR AND FRAME ELEVATIONS (Response to BID RFI 16, 18,19)
9. BP1_A9.3.9 – INTERIOR STOREFRONT ELEVATIONS (Clarification to
Finishes for Elevations G-59 & G-65)
10. BP1_A9.9.1 – MISCELLANEOUS INTERIOR DETAILS (Clarification to Detail 48
Servery Art Fin)
11. BP1_A9.9.2 – MISCELLANEOUS INTERIOR DETAILS (Clarification to Detail 27
Servery Art Fin Pony Wall)
12. BP1_AI1.1.1 – INTERIOR FINISH SCHEDULE AND DETAILS (Clarification to
Interior Glass Finish DGL-1)
13. BP1_AQ7.1 – ENLARGED PLAN – 1A CASEWORK AND LAB ACCESSORIES
(Lab coat rack hook clarification)
14. BP1_EMP2.2C – LEVEL 2 (UPPER GROUND) HVAC PLAN AREA-C
(Clarification to Keynote 280 – Emergency Power Off “Boiler Emergency Shutdown”)
15. BP1_EMP2.2C – LEVEL 2 (UPPER GROUND) HVAC PLAN AREA-G
(Clarification to Keynote 280 – Emergency Power Off “Boiler Emergency Shutdown”)
16. BP1_E5.1.1 – ELECTRICAL ONE LINE DIAGRAM- SES-A, 1 OF 2 (Clarification to General Sheet Notes L. Electrical Equipment)
17. BP1_E5.1.2 – ELECTRICAL ONE LINE DIAGRAM- SES-A, 2 OF 2 (Clarification to General Sheet Notes L. Electrical Equipment)
18. BP1_E5.2.1 – ELECTRICAL ONE LINE DIAGRAM- SES-B, 2 OF 2 (Clarification to General Sheet Notes L. Electrical Equipment)
19. BP1_E5.2.2 – ELECTRICAL ONE LINE DIAGRAM- SES-B, 2 OF 2 (Clarification to General Sheet Notes L. Electrical Equipment)
20. BP1_E5.3.1 – ELECTRICAL ONE LINE DIAGRAM- SES-C, 1 OF 2 (Clarification to General Sheet Notes L. Electrical Equipment)
21. BP1_E5.3.2 – ELECTRICAL ONE LINE DIAGRAM- SES-C, 2 OF 2 (Clarification to General Sheet Notes L. Electrical Equipment)
22. BP1_E5.4.1 – ELECTRICAL ONE LINE DIAGRAM- SES-D, 1 OF 2 (Clarification to General Sheet Notes L. Electrical Equipment)
23. BP1_E5.4.2 – ELECTRICAL ONE LINE DIAGRAM- SES-D, 2 OF 2 (Clarification to General Sheet Notes L. Electrical Equipment)
24. BP1_E5.5.1 – ELECTRICAL ONE LINE DIAGRAM- SES-E (Clarification to General Sheet Notes L. Electrical Equipment)
25. BP1_E5.6 – ELECTRICAL ONE LINE DIAGRAM- UPS (Clarification to General Sheet Notes L. Electrical Equipment)
26. BP1_E5.8 – ELECTRICAL ONE LINE DIAGRAM- SOLAR (Clarification to General Sheet Notes L. Electrical Equipment)
27. BP1_E8.2.A1 – DISTRIBUTION AND PANEL BOARD SCHEDULES, SES-A
LEVEL 2 (Clarification to Notes for Switchboard ADM2EHA)
28. BP1_E8.2.B1 – DISTRIBUTION AND PANEL BOARD SCHEDULES, SES-B
LEVEL 2 (Clarification to Notes for Switchboard BDM2EHA)
29. BP1_E8.2.C1 – DISTRIBUTION AND PANEL BOARD SCHEDULES, SES-C
LEVEL 2 (Clarification to Notes for Switchboard CDM2EHA)
30. BP1_E8.2.D1 – DISTRIBUTION AND PANEL BOARD SCHEDULES, SES-D
LEVEL 2 (Clarification to Notes for Switchboard DDM2EHA)
31. BP1_E8.2.E1 – DISTRIBUTION AND PANEL BOARD SCHEDULES, SES-E
LEVEL 2 (Clarification to Notes for Switchboard EDM2EHB and Panelboard EP2ELA Circuit 33)
32. BP2_C3.0.3 – STORM DRAIN PLAN (Clarification to Construction Notes 54 “Drain Basin MAG Grate” 56 “Drain Basin Grated Sump Inlet” 57 “Drain Basin w/ Grated Lid”)
33. BP2_C3.0.4 – STORM DRAIN PLAN (Clarification to Construction Notes 54 “Drain Basin MAG Grate” 56 “Drain Basin Grated Sump Inlet”)
34. BP2_C8.01 – DETAILS (Clarification to Details 1,2,5)
35. BP3_C9.01 – DETAILS (Clarification to Details 1,2,4,5)
END OF DOCUMENT
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