Infrastructure Improvements in the Dupont-Wappoo Watershed

Estimated Value: $3,500,000
Closing Soon 7 days left South CarolinaConstructionsolicitation
Sep 28, 2026
Oct 23, 2026 2:00 PM
Construction
solicitation
236220
AI Summary
The City of Charleston is seeking construction services for infrastructure improvements in the Dupont-Wappoo Watershed. This project involves extensive demolition and installation of storm drains, water and sewer lines, curbs, gutters, sidewalks, and driveways. It also includes grading, road resurfacing, fence replacement, erosion control, and site restoration.
Line Items
ItemQtyUnitEst. Unit PriceEst. TotalCategory
Demolition of existing storm drain 1 lot $50,000.00 $50,000.00 Construction
Demolition of existing curb and gutter 1 lot $30,000.00 $30,000.00 Construction
Demolition of existing driveway aprons 1 lot $20,000.00 $20,000.00 Construction
Demolition of existing driveways 1 lot $25,000.00 $25,000.00 Construction
Demolition of existing trees 1 lot $15,000.00 $15,000.00 Construction
Installation of storm drain pipes and structures 1 lot $750,000.00 $750,000.00 Construction
Excavation and grading of existing open drainage channel 1 lot $400,000.00 $400,000.00 Construction
Adjustment and installation of water appurtenances 1 lot $100,000.00 $100,000.00 Construction
Relocation of water service lines 1 lot $75,000.00 $75,000.00 Construction
Relocation of sanitary sewer service lines 1 lot $75,000.00 $75,000.00 Construction
Installation of curb and gutter 1 lot $150,000.00 $150,000.00 Construction
Installation of sidewalk 1 lot $120,000.00 $120,000.00 Construction
Installation of driveway aprons 1 lot $80,000.00 $80,000.00 Construction
Installation of driveways 1 lot $90,000.00 $90,000.00 Construction
Milling and surfacing with associated restriping of traffic control markings 1 lot $600,000.00 $600,000.00 Construction
Removal and replacement of fences 1 lot $40,000.00 $40,000.00 Construction
Installation of sediment and erosion control devices 1 lot $60,000.00 $60,000.00 Construction
Clearing and grubbing 1 lot $35,000.00 $35,000.00 Construction
Restoration of disturbed areas (landscaping, seeding, etc.) 1 lot $100,000.00 $100,000.00 Construction
Traffic control services 1 lot $80,000.00 $80,000.00 Construction
As-built record drawings 1 lot $25,000.00 $25,000.00 Professional Services
Project Management and Supervision (General Construction Services) 1 lot $500,000.00 $500,000.00 Construction
Estimated Bid Value$3,500,000.00

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📎 01_Dupont_Wappoo_Front_End_Legal_Review.pdf View
📎 02_Dupont-Wappoo_TECHNICAL_SPECS_2026-08-21.pdf View
📎 04_Dupont-Wappoo_APPENDIX_A_PERMITS.pdf View
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