South Bay International Wastewater Treatment Plant (SBIWTP) Rehabilitation and Expansion Progressive Design-Build (PDB)
Inactive on SAM.gov · Unrestricted (full and open) · International Boundary and Water Commission: U.S.-Mexico · San Ysidro, CA · NAICS 237110 · Solicitation 191BWC24C0008P00012
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Description
The purpose of this modification is to incorporate additional construction packages and Phase 1 expansion work into the progressive design-build contract. The modification adds the following construction packages: Early Work Package (EWP) 1C Replacement In Kind Final Construction Price: $13,147,453 Scope includes: Removal and replacement of existing roofs. Replacement of process equipment and piping. Replacement of electrical equipment. Replacement of odor control media. Installation of new window sealants. Replacement of coiling doors. Replacement of emergency showers and eyewashes. Painting and coating of existing facilities. Early Work Package (EWP) 3B Early Procurement Final Construction Price: $25,693,528 Scope includes procurement of critical long-lead equipment, including: Standby generators and associated switchgear. Medium-voltage switchgear. Positive displacement blowers. Submersible solids-handling pumps. Dewatering centrifuges. Stainless steel slide gates. Stop logs. Early Work Package (EWP) 4 Major Concrete Structures Final Construction Price: $37,468,188 Scope includes: Construction of major concrete structures for new Headworks facilities. Primary Sedimentation Tanks 6 and 7. Storage Warehouse. New influent and drainage infrastructure. Associated piping, carpentry, architectural, mechanical, electrical, and support features. Phase 1 Base Construction Expansion Final Construction Price: $369,613,306 Scope includes: New Headworks facility with integrated pump station. Screening and grit removal systems. Primary sedimentation expansion. Centralized odor control facilities. Waste activated sludge thickening and storage facilities. Dewatering upgrades. Lime storage/feed and truck loadout facilities. Storage warehouse. Chlorination storage facility. Administrative building expansion. Multiple electrical buildings. New electrical service, generators, utility distribution systems, process piping, and site work. Rehabilitation of existing activated sludge tanks and lime silos. Engineering services during construction and procurement of the effluent meter and bypass piping. Construction Allowances The contract also increases CLIN 008 Construction Allowances by $9,804,886, increasing the allowance amount from $1,783,374 to $11,588,260 to address uncertain construction elements and field conditions associated with EWP-1C and Phase 1 construction activities. [191BWC24C0008 P00012 | PDF] Period of Performance The base construction period of performance has been revised to 1,643 calendar days (54 months) from issuance of the Base Construction Notice to Proceed (NTP). Construction closeout requirements remain unchanged and must be completed within 180 calendar days following construction completion. Award Value Previous Contract Value: $106,449,546 Modification Increase: $445,922,475 Revised Total Contract Value: $552,372,021
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