SAM #80SSC018D0012_80KSC025F7018_P00002

NASA KSC follow-on modification for IPEx excavation, HDPE liner installation, and granite screenings placement

NASA Kennedy Space Center issued a follow-on contract modification for excavation and construction work supporting the Infrastructure Pilot Excavator (IPEx). - Action and contract: Firm-fixed-price follow-on change order to Healtheon, Inc., under MACC II task order 80KSC025F7018; modification P00002 is identified in the initial notice. - Work location and scope: Inside relocatable building M7-1062, excavate one pit measuring 45 feet wide by 90 feet long by 4 feet deep; pit dimensions exclude sloped side walls. - Materials and requirements: Install a landfill-grade, impervious 60-mil HDPE liner; backfill with W12 granite screenings at no more than 2% moisture; and cover a 60-by-110-foot top surface with at least 18 inches of screenings. A rotary drying tiller or another method may be used to meet the moisture limit. - Schedule: The change order is estimated to take 30 days. The underlying task order runs August 7, 2025, through September 6, 2027; the document gives September 30, 2026, as the programmatic completion need date. - Award rationale: The justification cites urgency and logical follow-on status. No contract value is provided.

Description

Modification to existing Contract.  Excavation of existing soil to produce a pit 45' wide x 90' long x 4' deep, not including sloped side walls inside the IPEx relocatable building M7-1062. Includes install of liner with landfill-grade impervious 60 Mil HDPE Text Liner system; Backfill with W12 granite screenings at 2% moisture content or less; and cover remaining top surface (60' wide x 110' long) with at least 18” of W12 granite screenings at 2% moisture content or less.

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