# iHouse Apartment Construction Canonical: https://abierto.us/opportunities/75h70126r00026 - Solicitation number: 75H70126R00026 - Notice type: Solicitation - Status: Open. Offers due September 24, 2026 at 5:00 PM EDT - Department: Department of Health and Human Services - Agency: Indian Health Service - Contracting office: Div of Engineering SVCS - Seattle (75H701) - NAICS: 236220 Commercial and Institutional Building Construction - Product or service code: Y1FA Construction Of Family Housing Facilities - Set-aside: Indian small business economic enterprise - Place of performance: Tonalea, Arizona - County: Coconino County (FIPS 04005). https://abierto.us/counties/coconino-county-az-04005 - City: Tonalea. https://abierto.us/cities/tonalea-az-0474470 - First posted: July 15, 2026 - Last posted: August 19, 2026 - SAM.gov: https://sam.gov/workspace/contract/opp/0aec2f11264e4cc0a733a5565625e8e7/view ## Description Amendment A01: 1. The purpose of this solicitation amendment A01 is to: a. Post questions and answers (Q&As), b. Post the site visit sign-in sheet, c. Post the Geotech Report, d. Update a clause, e. Extend the offers due date. 2. Attached are the questions received to this date with some answers. The Government is researching the rest of the questions and will post those answers soon. 3. Attached is the site visit sign-in sheet. 4. Attached is the Geotech Report. 5. HHSAR clause 352.223-70 Safety and Health is updated to the OCT 2026 version and the full text is provided at the end of this amendment. 6. The offers due date is extended to 09/24/2026. 7. Remember to acknowledge all amendments. Block 11 of the SF-30 provides instructions for acknowledging amendments; it is acceptable to acknowledge on block 19 of the SF-1442. 8. All other terms and conditions remain unchanged. Request for Proposals 75H70126R00026 iHouse Apartment Construction Goal: The objective of this project is to adapt and construct a 19-unit apartment building to a new location while ensuring compliance with all applicable local building codes and regulations. Set-Aside: ISBEE set-aside. Product Service Code: Y1FA Construction Of Family Housing Facilities NAICS Code: 236220, Commercial and Institutional Building Construction with a size standard of $45M Location: Indian Rte 6290, Tonalea, AZ 86044 County: Coconino POP: 365 calendar days Construction Magnitude: Between $5,000,000 and $10,000,000 Contract Type: firm-fixed-priced TERO: TERO not is applicable. ## Attachments - [A01 GeoTech Report iHouse.pdf](https://abierto.us/files/709a850d62f93873f06db37ce3471e459e684729d5df85f820bee9436186e738/A01%20GeoTech%20Report%20iHouse.pdf) - [A01 QA iHouse Apartment Construction 18Aug2026.pdf](https://abierto.us/files/c41647ffec74d6e4dbc5d933c53e89f5b5492bb02e766e87bf4e286d164fe2dc/A01%20QA%20iHouse%20Apartment%20Construction%2018Aug2026.pdf) - [A01 SF-30 QA iHouse Apartment Construction.pdf](https://abierto.us/files/122787a3819023edc756f958b2ad0bf876a80b5bea2225d38bd70614862e8651/A01%20SF-30%20QA%20iHouse%20Apartment%20Construction.pdf) - [A01 Sign-In Sheet Site Visit iHouse.pdf](https://abierto.us/files/02b1216be19243e2db29621305549205a149c71a2861bb6546b1dfca516a9cd2/A01%20Sign-In%20Sheet%20Site%20Visit%20iHouse.pdf) - [B01 RFP 75H70126R00026 iHouse.pdf](https://abierto.us/files/2db2e2b83f1e0a2ead981f5796f6b8e4e8671f183b2611b0afa8aacf97f4c1d0/B01%20RFP%2075H70126R00026%20iHouse.pdf) - [J01 SOW iHouse.pdf](https://abierto.us/files/877ff61f911509736882b4340ab2d1927f0ba5817e53c68bb06f02b942196a9a/J01%20SOW%20iHouse.pdf) - [J02 iHouse Apt 01 Phase 4 BOD.pdf](https://abierto.us/files/6ab8a8d46d06fcb24dee84524e699d0c8e47a7748a7aa12df86ce256e6365d03/J02%20iHouse%20Apt%2001%20Phase%204%20BOD.pdf) - [J03 iHouse Apt 02 Phase 4 Drawings.pdf](https://abierto.us/files/17e492ead1460b0ad798a1c32aac050bff08e9dad7d9509063e1095765bdfbb6/J03%20iHouse%20Apt%2002%20Phase%204%20Drawings.pdf) - [J04 iHouse Apt 03 Phase 4 Specifications.pdf](https://abierto.us/files/8fd39332c9714d29057df3a5996827a094e6b74b5c294c7bd330c6dded3902c7/J04%20iHouse%20Apt%2003%20Phase%204%20Specifications.pdf) - [J05 Wage Det AZ20260043 18May2026.pdf](https://abierto.us/files/1dd50aaa0facd91de17b8a02ea1ae55b13fcd112857fd86770b1740fcb1331fd/J05%20Wage%20Det%20AZ20260043%2018May2026.pdf) - [J06 Self Performed Calculation Sheet iHouse.docx](https://abierto.us/files/4648d79a4ef4990e7364885df2a1234f33ecad81bd9e18469ab712f23e0fb3f7/J06%20Self%20Performed%20Calculation%20Sheet%20iHouse.docx) - [J07 IHS IEE Representation Form iHouse.pdf](https://abierto.us/files/e329328db0749edcad9d3d07ce188ccb5b733224cae3b6ad3a0f6f568bd81a89/J07%20IHS%20IEE%20Representation%20Form%20iHouse.pdf) - [J08 Release of Claims iHouse.docx](https://abierto.us/files/3a88c0470ee8e0dd28e027edefe80657aa17e1e59c4ef90223caa09f17800416/J08%20Release%20of%20Claims%20iHouse.docx) - [J09 WH 347 Payroll Exp.pdf](https://abierto.us/files/a554c8d43f80ebc47b1488558a5fb2de26362eaadfed591252380339bb03416e/J09%20WH%20347%20Payroll%20Exp.pdf) - [J99 Optional Form PPQ.docx](https://abierto.us/files/b0d9fd48e5584bcfd52c16308d79e249d612176e238a51a06d3236af6f28dacf/J99%20Optional%20Form%20PPQ.docx) ## Publications - July 15, 2026: Solicitation, due August 24, 2026 at 5:00 PM EDT. Notice b78a691f42a04e9fbe6c39702e981170. https://sam.gov/workspace/contract/opp/b78a691f42a04e9fbe6c39702e981170/view - August 19, 2026: Solicitation, due September 24, 2026 at 5:00 PM EDT. Notice 0aec2f11264e4cc0a733a5565625e8e7. https://sam.gov/workspace/contract/opp/0aec2f11264e4cc0a733a5565625e8e7/view ## Points of contact - Daniel Cotto, daniel.cotto@ihs.gov, 2404617841 - Andrew E. Hart, andrew.hart@ihs.gov, 2066152453 --- Source: SAM.gov Contract Opportunities bulk extract. Confirm deadlines on SAM.gov before responding. Cite https://abierto.us/opportunities/75h70126r00026.