Unofficial Notice of Invitation to Bid (NIB)

General Bid Items

• Quantity: As-needed  Unit: LS  Work Item: Mobilization and establishment of temporary access into and along streams, channels, or creeks for maintenance activities.
• Quantity: 400  Unit: CY  Work Item: Sediment removal to maintain proper drainage depth in Colma Creek (annual max).
• Quantity: 350  Unit: CY  Work Item: Sediment removal in San Bruno Creek at 7th Street (initial) / 100 CY (annual) (over 250 LF channel segment).
• Quantity: 7  Unit: CY  Work Item: Sediment removal in Belmont Creek at Sem Lane (initial) / 4 CY (annual) from two stormwater culvert outfalls.
• Quantity: 30  Unit: CY  Work Item: Sediment removal in Belmont Creek at Highway 101 (initial) / 450 CY (from culvert interior).
• Quantity: 10  Unit: CY  Work Item: Sediment removal for operational maintenance in Belmont Creek (annual) (various locations and culverts).
• Quantity: 150  Unit: CY  Work Item: Sediment removal in Cordilleras Creek at El Camino Real (initial) (over 150 LF channel segment).
• Quantity: 90  Unit: CY  Work Item: Sediment removal for operational maintenance in Cordilleras Creek (annual max).
• Quantity: 6  Unit: CY  Work Item: Sediment removal in Atherton Channel at Haven Avenue (initial) / 4 CY (annual).
• Quantity: As-needed  Unit: LS  Work Item: Trash and debris removal (anthropogenic trash, downed trees, limbs, plant material, obstructions) from streams, channels, bridges, outfalls, tide gates, box culverts, storm drain outfalls, trash booms, and drop structures.
• Quantity: 907  Unit: LF  Work Item: Instream vegetation removal from channels (approximate) (various creeks).
• Quantity: As-needed  Unit: LS  Work Item: Vegetation management (removal of living and non-native vegetation, trimming trees/shrubs <4" diameter, weed whacking) on channel banks and bed, in vicinity of Angus Pump Station and other specified areas, in alignment with established Integrated Pest Management Policy.
• Quantity: As-needed  Unit: LS  Work Item: Concrete repair including grout injection into cracks/voids/gaps, patching and resurfacing of concrete channel walls (cracking, spalling, exposed reinforcement), and removal and replacement of failed joint sealants.
• Quantity: As-needed  Unit: LS  Work Item: Culvert servicing including patching, resurfacing, application of joint sealants, and erosion control features.
• Quantity: 15  Unit: EA  Work Item: Repair or replacement of culverts in Reach 3 (12-72 inches diameter), Specifications: reinforced concrete pipe (RCP) or high density polyethylene (HOPE) pipe of same diameter.
• Quantity: 12-15  Unit: EA  Work Item: Addition of rock slope protection (RSP) at culvert outlets, Specifications: or replacement of existing sacked concrete with RSP.
• Quantity: 13  Unit: EA  Work Item: Installation of new flap gates on existing storm drain outfalls.
• Quantity: 12  Unit: EA  Work Item: Installation of new headwalls at culvert maintenance locations.
• Quantity: As-needed  Unit: LS  Work Item: Exercising, servicing, and replacing in-channel flap gate structures.
• Quantity: As-needed  Unit: LS  Work Item: Dewatering and bypass systems, Specifications: including temporary cofferdam barriers, silt curtains, and gravity diversion pipes.
• Quantity: As-needed  Unit: LS  Work Item: Repair of access roads.
• Quantity: As-needed  Unit: LS  Work Item: Repair of fencing on top-of-bank.
• Quantity: As-needed  Unit: LS  Work Item: Abatement of graffiti.
• Quantity: As-needed  Unit: LS  Work Item: Installation and maintenance of trash capture devices.
• Quantity: As-needed  Unit: LS  Work Item: Erosion repair, control, and planting, Specifications: using erosion control fabrics, bio-engineered systems, and native vegetation; rip-rap placement to supplement existing outfall hardscape for energy dissipation.

NAICS Classification

237990 – Other Heavy and Civil Engineering Construction (Routine maintenance of flood control infrastructure, including channels, culverts, tide gates, and pump stations.), 238910 – Site Preparation Contractors (Sediment, silt, trash, and debris removal; excavation; channel clearing; and earthwork for access roads.), 238120 – Foundation, Structure, and Building Exterior Contractors (Concrete repair, patching, resurfacing, grout injection for channel walls, culverts, and other structures.), 561730 – Landscaping Services (Vegetation management, removal of invasive plants, tree trimming, and habitat restoration in riparian zones.)

Records and Due Date

This bid opportunity was entered into BidAmerica on February 11, 2026, and was last updated on February 11, 2026. All bids and/or proposals are due on February 18, 2026.

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