SAO-AZ: REPAIR ASPEN TANK RETAINING WALL. SIERRITA MINING & RANCHING COMPANY LP $85,038 SMITHSONIAN INSTITUTION SMITHSONIAN INSTITUTION — 236220 Commercial and Institutional Building Construction C1KZ ARCHITECT AND ENGINEERING- CONSTRUCTION: OTHER CONSERVATION AND DEVELOPMENT FACILITIES May 12, 2026 May 12, 2026 May 22, 2026
SAO-AZ: IMPROVE MOUNTAIN ROAD. SIERRITA MINING & RANCHING COMPANY LP $548,268 SMITHSONIAN INSTITUTION SMITHSONIAN INSTITUTION — 236220 Commercial and Institutional Building Construction C1KZ ARCHITECT AND ENGINEERING- CONSTRUCTION: OTHER CONSERVATION AND DEVELOPMENT FACILITIES Apr 30, 2026 Apr 30, 2026 Jun 29, 2026
. SIERRITA MINING & RANCHING COMPANY LP $14,187 SMITHSONIAN INSTITUTION SMITHSONIAN INSTITUTION — 237990 Other Heavy and Civil Engineering Construction 2540 VEHICULAR FURNITURE AND ACCESSORIES Feb 24, 2023 Feb 24, 2023 Sep 30, 2023
. SIERRITA MINING & RANCHING COMPANY LP $4,000 SMITHSONIAN INSTITUTION SMITHSONIAN INSTITUTION — 237990 Other Heavy and Civil Engineering Construction 2540 VEHICULAR FURNITURE AND ACCESSORIES Jun 30, 2022 Jun 30, 2022 Dec 31, 2022
SAO-AZ: RPL GUARDRAILS & CULVERTS, MT HOPKINS RD. SIERRITA MINING & RANCHING COMPANY LP $2,841,138 SMITHSONIAN INSTITUTION SMITHSONIAN INSTITUTION — 236220 Commercial and Institutional Building Construction C1KZ ARCHITECT AND ENGINEERING- CONSTRUCTION: OTHER CONSERVATION AND DEVELOPMENT FACILITIES Sep 13, 2021 Sep 13, 2021 Dec 13, 2027
SAO-AZ: PAVEMENT REPLACEMENT AT MT. HOPKINS ROAD. SIERRITA MINING & RANCHING COMPANY LP $3,593,316 SMITHSONIAN INSTITUTION SMITHSONIAN INSTITUTION — 236220 Commercial and Institutional Building Construction C1LB ARCHITECT AND ENGINEERING- CONSTRUCTION: HIGHWAYS, ROADS, STREETS, BRIDGES, AND RAILWAYS Apr 8, 2020 Apr 8, 2020 Sep 30, 2024
SNOW REMOVAL SERVICES SIERRITA MINING & RANCHING COMPANY LP $0 SMITHSONIAN INSTITUTION SMITHSONIAN INSTITUTION — 237990 Other Heavy and Civil Engineering Construction S218 HOUSEKEEPING- SNOW REMOVAL/SALT Feb 11, 2020 Feb 11, 2020 Sep 30, 2021
NOTICE TO PROCEED DATED SEPTEMBER 12, 2019 FOR SOW $49,989.00; PROPOSAL RECEIVED RELATED TO HAZARDOUS ROAD CONDITIONS SIERRITA MINING & RANCHING COMPANY LP $126,845 SMITHSONIAN INSTITUTION SMITHSONIAN INSTITUTION — 236220 Commercial and Institutional Building Construction C1LB ARCHITECT AND ENGINEERING- CONSTRUCTION: HIGHWAYS, ROADS, STREETS, BRIDGES, AND RAILWAYS Jan 10, 2020 Jan 10, 2020 Sep 30, 2023
INSTALL CURBING TO MITIGATE FLOODING FLWO SIERRITA MINING & RANCHING COMPANY LP $638,133 SMITHSONIAN INSTITUTION SMITHSONIAN INSTITUTION — 236220 Commercial and Institutional Building Construction C1LB ARCHITECT AND ENGINEERING- CONSTRUCTION: HIGHWAYS, ROADS, STREETS, BRIDGES, AND RAILWAYS Jan 10, 2020 Jan 10, 2020 May 31, 2025
ROAD GRADING SERVICES SIERRITA MINING & RANCHING COMPANY LP $12,698 SMITHSONIAN INSTITUTION SMITHSONIAN INSTITUTION — 237990 Other Heavy and Civil Engineering Construction Z1LB MAINTENANCE OF HIGHWAYS/ROADS/STREETS/BRIDGES/RAILWAYS Dec 16, 2019 Dec 16, 2019 Sep 30, 2021
IGF::OT::IGF REPAIR AND IMPROVE ROADS, FLWO. SIERRITA MINING & RANCHING COMPANY LP $2,787,630 SMITHSONIAN INSTITUTION SMITHSONIAN INSTITUTION — 236220 Commercial and Institutional Building Construction C1LB ARCHITECT AND ENGINEERING- CONSTRUCTION: HIGHWAYS, ROADS, STREETS, BRIDGES, AND RAILWAYS Jul 10, 2018 Jul 10, 2018 Sep 30, 2021
IGF::OT::IGF SIERRITA MINING & RANCHING COMPANY LP $7,500 SMITHSONIAN INSTITUTION SMITHSONIAN INSTITUTION — 237990 Other Heavy and Civil Engineering Construction Z1LB MAINTENANCE OF HIGHWAYS/ROADS/STREETS/BRIDGES/RAILWAYS Feb 20, 2018 Feb 20, 2018 Feb 23, 2018
IGF::OT::IGF SIERRITA MINING & RANCHING COMPANY LP $6,780 SMITHSONIAN INSTITUTION SMITHSONIAN INSTITUTION — 237990 Other Heavy and Civil Engineering Construction Z1NE MAINTENANCE OF WATER SUPPLY FACILITIES Aug 16, 2017 Aug 16, 2017 Aug 23, 2017
IGF::OT::IGF SIERRITA MINING & RANCHING COMPANY LP $3,646 SMITHSONIAN INSTITUTION SMITHSONIAN INSTITUTION — 236220 Commercial and Institutional Building Construction J045 MAINT/REPAIR/REBUILD OF EQUIPMENT- PLUMBING, HEATING, AND WASTE DISPOSAL EQUIPMENT Sep 24, 2015 Sep 24, 2015 Sep 25, 2015
"IGF::CL::IGF" SUPPLY AND DELIVER ROCK BALLAST FOR FUTURE REPAIR OF AGUA CALIENTE ROAD SIERRITA MINING & RANCHING COMPANY LP $39,744 FOREST SERVICE FOREST SERVICE — 423320 Brick, Stone, and Related Construction Material Merchant Wholesalers 5610 MINERAL CONSTRUCTION MATERIALS, BULK Aug 14, 2015 Aug 14, 2015 May 6, 2016
IGF::OT::IGF SIERRITA MINING & RANCHING COMPANY LP $13,000 SMITHSONIAN INSTITUTION SMITHSONIAN INSTITUTION — 487110 Scenic and Sightseeing Transportation, Land V212 TRANSPORTATION/TRAVEL/RELOCATION- TRAVEL/LODGING/RECRUITMENT: MOTOR PASSENGER Mar 11, 2015 Mar 11, 2015 Sep 30, 2015
IGF::OT::IGF SIERRITA MINING & RANCHING COMPANY LP $5,000 SMITHSONIAN INSTITUTION SMITHSONIAN INSTITUTION — 487110 Scenic and Sightseeing Transportation, Land V212 TRANSPORTATION/TRAVEL/RELOCATION- TRAVEL/LODGING/RECRUITMENT: MOTOR PASSENGER Nov 13, 2014 Nov 13, 2014 Nov 30, 2014
IGF::OT::IGF SIERRITA MINING & RANCHING COMPANY LP $4,000 SMITHSONIAN INSTITUTION SMITHSONIAN INSTITUTION — 238910 Site Preparation Contractors Y1LB CONSTRUCTION OF HIGHWAYS, ROADS, STREETS, BRIDGES, AND RAILWAYS Jul 10, 2014 Jul 10, 2014 Sep 30, 2014
IGF::OT::IGF SIERRITA MINING & RANCHING COMPANY LP $17,767 SMITHSONIAN INSTITUTION SMITHSONIAN INSTITUTION — 236220 Commercial and Institutional Building Construction S212 HOUSEKEEPING- SOLID FUEL HANDLING Jun 9, 2014 Jun 9, 2014 Jun 11, 2014
IGF::OT::IGF SIERRITA MINING & RANCHING COMPANY LP $9,900 SMITHSONIAN INSTITUTION SMITHSONIAN INSTITUTION — 487110 Scenic and Sightseeing Transportation, Land V212 TRANSPORTATION/TRAVEL/RELOCATION- TRAVEL/LODGING/RECRUITMENT: MOTOR PASSENGER Apr 9, 2014 Apr 9, 2014 Sep 30, 2014
IGF::OT::IGF SIERRITA MINING & RANCHING COMPANY LP $17,767 SMITHSONIAN INSTITUTION SMITHSONIAN INSTITUTION — 236220 Commercial and Institutional Building Construction V112 TRANSPORTATION/TRAVEL/RELOCATION- TRANSPORTATION: MOTOR FREIGHT Jan 27, 2014 Jan 27, 2014 Jan 29, 2014
IGF::OT::IGF SIERRITA MINING & RANCHING COMPANY LP $17,767 SMITHSONIAN INSTITUTION SMITHSONIAN INSTITUTION — 236220 Commercial and Institutional Building Construction V112 TRANSPORTATION/TRAVEL/RELOCATION- TRANSPORTATION: MOTOR FREIGHT Nov 6, 2013 Nov 6, 2013 Nov 12, 2013
IGF::OT::IGF SAO EMERGENCY SURVEYING AND CULVERT REPLACEMENT. OFEO PROJECT 1283803 SIERRITA MINING & RANCHING COMPANY LP $2,511,534 SMITHSONIAN INSTITUTION SMITHSONIAN INSTITUTION — 236220 Commercial and Institutional Building Construction Z1JA MAINTENANCE OF MUSEUMS AND EXHIBITION BUILDINGS Sep 27, 2013 Sep 26, 2013 Aug 1, 2018
IGF::OT::IGF REQUIRED SERVICES ARE NOT PROVIDED BY AGENCY EMPLOYEES. REPAIR OF AUTOMATIC TRANSFER SWITCH FROM MT. HOPKINS GENERATOR SIERRITA MINING & RANCHING COMPANY LP $6,985 SMITHSONIAN INSTITUTION SMITHSONIAN INSTITUTION — 238210 Electrical Contractors and Other Wiring Installation Contractors J059 MAINT/REPAIR/REBUILD OF EQUIPMENT- ELECTRICAL AND ELECTRONIC EQUIPMENT COMPONENTS Sep 6, 2012 Sep 6, 2012 Dec 31, 2012
THIS IS WORK ORDER # 8 AGAINST OPEN TERM CONTRACT F0436CC10223 FOR CONSTRUCTION SERVICES REQUIRED BY THE F.L. WHIPPLE OBSERVATORY (FLWO), SMITHSONIAN INSTITUTION, SAHUARITA, ARIZONA. SIERRITA MINING & RANCHING COMPANY LP $5,094 SMITHSONIAN INSTITUTION SMITHSONIAN INSTITUTION — 236220 Commercial and Institutional Building Construction Z1LB MAINTENANCE OF HIGHWAYS/ROADS/STREETS/BRIDGES/RAILWAYS May 15, 2012 May 15, 2012 Jun 5, 2012