Pre-Solicitation Notice - Trenching, Conduit and Ground-well Installation

Description — The United Stated Embassy in Kingston, Jamaica, plans to issue a Request for Quotations (RFQ) for trenching, conduit and ground-well installation in various locations on the Embassy compound. — Scope of Work: The contractor will provide all labor, equipment, supervision, material specific to the back filling and compaction and management needed to complete the job — Infrastructure Support System - Handhole / Underground Conduit System — Trenching — Nine locations have been identified requiring trench work. — Thirteen locations have been identified requiring trench work. — Before excavation, the Contractor shall locate and verify all existing utilities in the proposed trench alignment. — If excavation interferes with existing drains, piping, or structures, the Contractor shall immediately notify, in writing, the COR and provide temporary protection for these systems before proceeding. — Trenching from Handholes — The Contractor shall make wall penetrations into existing manholes/handholes as required for the number and size of conduits entering and exiting each structure, in accordance with the drawings. — Conduit — Existing conduit shall remain in place unless the drawings specifically direct removal or modification. — Under grass, soil, the Contractor shall install Schedule 80 PVC conduit with a minimum cover of 24 inches (610 mm) from finished grade to top of conduit, or as indicated on the drawings, whichever is greater. — All underground 90 degree bends with a 12inch (305 mm) radius shall use prefabricated sweeping bends. — Above grade, all underground PVC conduit shall transition to rigid galvanized steel (RGS) using PVC to RGS couplers . — The Contractor shall install pull lines in all new conduit runs. — Soil and Backfill Materials — Soil Materials — The Contractor shall provide all labor and materials for soil and backfill, where required. — Select Backfill : ASTM D 2487 soil classification groups SW, SP, and SM, or combinations thereof; free of rock or gravel larger than 3 inches (75 mm), debris, waste, frozen materials, vegetation, and other deleterious matter. — Asphalt/Concrete Base Course : Naturally or artificially graded mixture of natural or crushed gravel, crushed stone, and natural or crushed sand; ASTM D 2940; with at least 95% passing a 11/2inch (40 mm) sieve and not more than 8% passing a 1/4inch (6.4 mm) sieve. — Base Gravel : Naturally or artificially graded mixture of natural or crushed gravel, crushed stone, and natural or crushed sand; ASTM D 2940; 100% passing a 1inch (25 mm) sieve and not more than 8% passing a 1/4inch (6.4 mm) sieve. — Sand Cushion : ASTM C 33 fine aggregate, natural or manufactured sand. — Placement and Compaction — Place backfill and fill in layers not exceeding: — 8 inches (203 mm) loose thickness for heavy compaction equipment; — 4 inches (102 mm) loose thickness when compacted by hand-operated tampers. — Place backfill and fill evenly to the required elevations, uniformly along their full length. — Compact soil materials to not less than the following percentages of maximum dry unit weight per ASTM D 1557: — Under lawns or unpaved areas: scarify and re-compact top 6 inches (152 mm) below subgrade and compact each layer to 85%. — Utility trenches: compact each layer of initial and final backfill to 85%. — Anticipated Period of Performance: a base period of twenty-one (21) days after contract award — Eligibility and Registration — Offerors must hold an active registration in the System for Award Management (SAM.gov) when they submit a proposal and at award. — Local Insurance and Defense Based Act (DBA) Insurance. — Solicitation Availability — The Embassy will post the solicitation and all amendments only on SAM.gov at https://sam.gov. Interested parties should monitor SAM.gov for the release and any amendments. The Embassy will not issue paper copies. — Disclaimer — This notice is for informational purposes only and is not a request for proposals. It does not commit the Government to issue a solicitation or award a contract. The Government will not pay for any information or materials submitted in response to this notice. — Interested Parties are required to send their interest to Kingstonquotes@state.gov on or before October 26, 2026 at 2pm local time.

Description — The United Stated Embassy in Kingston, Jamaica, plans to issue a Request for Quotations (RFQ) for trenching, conduit and ground-well installation in various locations on the Embassy compound. — Scope of Work: The contractor will provide all labor, equipment, supervision, material specific to the back filling and compaction and management needed to complete the job — Infrastructure Support System - Handhole / Underground Conduit System — Trenching — Nine locations have been identified requiring trench work. — Thirteen locations have been identified requiring trench work. — Before excavation, the Contractor shall locate and verify all existing utilities in the proposed trench alignment. — If excavation interferes with existing drains, piping, or structures, the Contractor shall immediately notify, in writing, the COR and provide temporary protection for these systems before proceeding. — Trenching from Handholes — The Contractor shall make wall penetrations into existing manholes/handholes as required for the number and size of conduits entering and exiting each structure, in accordance with the drawings. — Conduit — Existing conduit shall remain in place unless the drawings specifically direct removal or modification. — Under grass, soil, the Contractor shall install Schedule 80 PVC conduit with a minimum cover of 24 inches (610 mm) from finished grade to top of conduit, or as indicated on the drawings, whichever is greater. — All underground 90 degree bends with a 12inch (305 mm) radius shall use prefabricated sweeping bends. — Above grade, all underground PVC conduit shall transition to rigid galvanized steel (RGS) using PVC to RGS couplers . — The Contractor shall install pull lines in all new conduit runs. — Soil and Backfill Materials — Soil Materials — The Contractor shall provide all labor and materials for soil and backfill, where required. — Select Backfill : ASTM D 2487 soil classification groups SW, SP, and SM, or combinations thereof; free of rock or gravel larger than 3 inches (75 mm), debris, waste, frozen materials, vegetation, and other deleterious matter. — Asphalt/Concrete Base Course : Naturally or artificially graded mixture of natural or crushed gravel, crushed stone, and natural or crushed sand; ASTM D 2940; with at least 95% passing a 11/2inch (40 mm) sieve and not more than 8% passing a 1/4inch (6.4 mm) sieve. — Base Gravel : Naturally or artificially graded mixture of natural or crushed gravel, crushed stone, and natural or crushed sand; ASTM D 2940; 100% passing a 1inch (25 mm) sieve and not more than 8% passing a 1/4inch (6.4 mm) sieve. — Sand Cushion : ASTM C 33 fine aggregate, natural or manufactured sand. — Placement and Compaction — Place backfill and fill in layers not exceeding: — 8 inches (203 mm) loose thickness for heavy compaction equipment; — 4 inches (102 mm) loose thickness when compacted by hand-operated tampers. — Place backfill and fill evenly to the required elevations, uniformly along their full length. — Compact soil materials to not less than the following percentages of maximum dry unit weight per ASTM D 1557: — Under lawns or unpaved areas: scarify and re-compact top 6 inches (152 mm) below subgrade and compact each layer to 85%. — Utility trenches: compact each layer of initial and final backfill to 85%. — Anticipated Period of Performance: a base period of twenty-one (21) days after contract award — Eligibility and Registration — Offerors must hold an active registration in the System for Award Management (SAM.gov) when they submit a proposal and at award. — Local Insurance and Defense Based Act (DBA) Insurance. — Solicitation Availability — The Embassy will post the solicitation and all amendments only on SAM.gov at https://sam.gov. Interested parties should monitor SAM.gov for the release and any amendments. The Embassy will not issue paper copies. — Disclaimer — This notice is for informational purposes only and is not a request for proposals. It does not commit the Government to issue a solicitation or award a contract. The Government will not pay for any information or materials submitted in response to this notice. — Interested Parties are required to send their interest to Kingstonquotes@state.gov on or before October 26, 2026 at 2pm local time.