Unofficial Notice of Invitation to Bid (NIB)

General Bid Items

• Quantity: -  Unit: -  Work Item: Verify site preparation, foundation excavations, and proper material placement (Soils, S1.a).
• Quantity: -  Unit: -  Work Item: Perform classification and testing of fill materials (Soils, S2.a).
• Quantity: -  Unit: -  Work Item: Verify proper materials, densities, lift thicknesses, placement, and compaction during fill placement (Soils, S2.b).
• Quantity: -  Unit: -  Work Item: Perform compaction testing (Soils, S2.c).
• Quantity: -  Unit: -  Work Item: Verify pile materials, sizes, and lengths for driven deep foundations (Piles, S3.a).
• Quantity: -  Unit: -  Work Item: Inspect driving operations and maintain complete records for each driven pile (Piles, S3.c).
• Quantity: -  Unit: -  Work Item: Verify pile locations, plumbness, hammer type/size, blows per foot, penetration depth, tip/butt elevations, and pile damage for driven deep foundations (Piles, S3.d).
• Quantity: -  Unit: -  Work Item: Inspect drilling operations and maintain complete records for each cast-in-place pier (Piers, S4.a).
• Quantity: -  Unit: -  Work Item: Verify pier locations, diameters, plumbness, lengths, and record concrete or grout volumes for cast-in-place piers (Piers, S4.b).
• Quantity: -  Unit: -  Work Item: Inspect placement, compaction, and backfill for retaining walls (Retaining Walls, S5.a).
• Quantity: -  Unit: -  Work Item: Inspect placement of soil reinforcement and/or drainage devices for retaining walls (Retaining Walls, S5.b).
• Quantity: -  Unit: -  Work Item: Inspect placement of units, dowels, and connectors for segmental retaining walls (Retaining Walls, S5.c).
• Quantity: -  Unit: -  Work Item: Submit comprehensive report, observe construction, and conduct confirmation testing for soil improvements (Other Soils, S6.a).
• Quantity: -  Unit: -  Work Item: Inspect soil improvements (Other Soils, S6.b).
• Quantity: -  Unit: -  Work Item: Verify use of required concrete design mix for cast-in-place concrete (Concrete, C1.a).
• Quantity: -  Unit: -  Work Item: Identify, sample, and test reinforcing steel (Concrete, C1.b).
• Quantity: -  Unit: -  Work Item: Fabricate specimens for strength tests; perform slump, air content, and temperature tests during concrete placement (Concrete, C1.c).
• Quantity: -  Unit: -  Work Item: Test concrete (f'c) strength (Concrete, C1.d).
• Quantity: -  Unit: -  Work Item: Conduct batch plant inspection (Concrete, C1.e).
• Quantity: -  Unit: -  Work Item: Provide special inspection for welding of reinforcing steel (Concrete, C1.f).
• Quantity: -  Unit: -  Work Item: Sample and test prestressing tendons and anchorages (Prestressed/Post-Tensioned Concrete, C2.a).
• Quantity: -  Unit: -  Work Item: Inspect placement of prestressing tendons (Prestressed/Post-Tensioned Concrete, C2.b).
• Quantity: -  Unit: -  Work Item: Verify in-situ concrete strength prior to stressing of post-tensioning tendons (Prestressed/Post-Tensioned Concrete, C2.c).
• Quantity: -  Unit: -  Work Item: Inspect application of post-tensioning/prestressing forces and grouting of bonded tendons (Prestressed/Post-Tensioned Concrete, C2.d).
• Quantity: -  Unit: -  Work Item: Inspect fabrication of precast concrete members (Precast Concrete, C3.a).
• Quantity: -  Unit: -  Work Item: Inspect erection of precast concrete members (Precast Concrete, C3.b).
• Quantity: -  Unit: -  Work Item: Inspect concrete diaphragm connections and reinforcement at joints for precast concrete (Precast Concrete, C3.c).
• Quantity: -  Unit: -  Work Item: Inspect installation tolerances of precast concrete diaphragm connections (Precast Concrete, C3.d).
• Quantity: -  Unit: -  Work Item: Inspect shotcrete placement for proper application techniques (Shotcrete, C4.a).
• Quantity: -  Unit: -  Work Item: Sample and test shotcrete (f'c) (Shotcrete, C4.b).
• Quantity: -  Unit: -  Work Item: Inspect installation of post-installed anchors (Post-Installed Anchors, C5.a).
• Quantity: -  Unit: -  Work Item: Test post-installed anchors (Post-Installed Anchors, C5.b).
• Quantity: -  Unit: -  Work Item: Verify identification, material properties, sizes, types, and grades of structural steel, cold-formed steel, and aluminum (Steel and Aluminum, S/A1.a).
• Quantity: -  Unit: -  Work Item: Test unidentified materials (Steel and Aluminum, S/A1.b).
• Quantity: -  Unit: -  Work Item: Examine seam welds of HSS shapes (Steel and Aluminum, S/A1.c).
• Quantity: -  Unit: -  Work Item: Verify and document steel fabrication (Steel and Aluminum, S/A1.d).
• Quantity: -  Unit: -  Work Item: Test buckling restrained braces (Steel and Aluminum, S/A1.e).
• Quantity: -  Unit: -  Work Item: Verify identification markings and manufacturer's certificates for high-strength bolts (High-Strength Bolts, S/A2.a).
• Quantity: -  Unit: -  Work Item: Test high-strength bolts, nuts, and washers (High-Strength Bolts, S/A2.b).
• Quantity: -  Unit: -  Work Item: Inspect bearing-type ("snug tight") connections (High-Strength Bolts, S/A2.c).
• Quantity: -  Unit: -  Work Item: Inspect pretensioned and slip-critical connections (High-Strength Bolts, S/A2.d).
• Quantity: -  Unit: -  Work Item: Verify weld filler material identification markings per AWS designation and WPS (Welding, S/A3.a).
• Quantity: -  Unit: -  Work Item: Verify weld filler material manufacturer's certificate of compliance (Welding, S/A3.b).
• Quantity: -  Unit: -  Work Item: Verify WPS, welder qualifications, and equipment (Welding, S/A3.c).
• Quantity: -  Unit: -  Work Item: Inspect shop groove welds, multi-pass fillet welds, single pass fillet welds > 5/16", plug and slot welds (Shop Welding, S/A4.a).
• Quantity: -  Unit: -  Work Item: Inspect shop single-pass fillet welds ≤ 5/16", floor and roof deck welds (Shop Welding, S/A4.b).
• Quantity: -  Unit: -  Work Item: Inspect shop welding of stairs and railing systems (Shop Welding, S/A4.c).
• Quantity: -  Unit: -  Work Item: Verify reinforcing steel weldability (Shop Welding, S/A4.d).
• Quantity: -  Unit: -  Work Item: Inspect shop welding of reinforcing steel (Shop Welding, S/A4.e).
• Quantity: -  Unit: -  Work Item: Inspect field groove welds, multi-pass fillet welds, single pass fillet welds > 5/16", plug and slot welds (Field Welding, S/A5.a).
• Quantity: -  Unit: -  Work Item: Inspect field single-pass fillet welds ≤ 5/16" (Field Welding, S/A5.b).
• Quantity: -  Unit: -  Work Item: Inspect end-welded studs installation (Field Welding, S/A5.c).
• Quantity: -  Unit: -  Work Item: Inspect field floor and roof deck welds (Field Welding, S/A5.d).
• Quantity: -  Unit: -  Work Item: Inspect field welding of structural cold-formed steel (Field Welding, S/A5.e).
• Quantity: -  Unit: -  Work Item: Inspect field welding of stairs and railing systems (Field Welding, S/A5.f).
• Quantity: -  Unit: -  Work Item: Verify field reinforcing steel weldability (Field Welding, S/A5.g).
• Quantity: -  Unit: -  Work Item: Inspect field welding of reinforcing steel (Field Welding, S/A5.h).
• Quantity: -  Unit: -  Work Item: Perform Ultrasonic Test (Nondestructive Testing, S/A6.a).
• Quantity: -  Unit: -  Work Item: Perform Magnetic Particle Test (Nondestructive Testing, S/A6.b).
• Quantity: -  Unit: -  Work Item: Verify size, type, and grade for steel joist/truss chord/web members, connectors, and weld filler material (Steel Joists and Trusses, S/A7.a).
• Quantity: -  Unit: -  Work Item: Verify joist profile, dimensions, camber, weld locations, lengths, profiles, mark/tag for steel joists (Steel Joists and Trusses, S/A7.a).
• Quantity: -  Unit: -  Work Item: Examine structural steel surface conditions, inspect application, take samples, measure thickness, and verify compliance for sprayed fire-resistant materials (SFRM) (SFRM, S/A8.a).
• Quantity: -  Unit: -  Work Item: Test density of sprayed fire-resistant materials (SFRM, S/A8.b).
• Quantity: -  Unit: -  Work Item: Test bond strength adhesion/cohesion of sprayed fire-resistant materials (SFRM, S/A8.c).
• Quantity: -  Unit: -  Work Item: Identify, sample, and test anchor bolts and anchor rods (Anchor Bolts and Anchor Rods, S/A9.a).
• Quantity: -  Unit: -  Work Item: Identify, sample, and test threaded rods not used for foundation anchorage (Anchor Bolts and Anchor Rods, S/A9.b).
• Quantity: -  Unit: -  Work Item: Verify materials used for storage rack systems (Storage Rack Systems, S/A10.a).
• Quantity: -  Unit: -  Work Item: Inspect fabricated storage rack elements (Storage Rack Systems, S/A10.b).
• Quantity: -  Unit: -  Work Item: Inspect storage rack anchorage installation (Storage Rack Systems, S/A10.c).
• Quantity: -  Unit: -  Work Item: Inspect completed storage rack system for compliance (Storage Rack Systems, S/A10.d).

NAICS Classification

NAICS 541330 – Engineering Services (For providing geotechnical, structural, and special inspection services), NAICS 541380 – Testing Laboratories (For material testing and analysis related to soils, concrete, steel), NAICS 238910 – Site Preparation Contractors (Relevant to soil preparation, excavation, and compaction aspects that are inspected), NAICS 238110 – Poured Concrete Foundation and Structure Contractors (Relevant to cast-in-place, precast, and shotcrete concrete elements that are inspected), NAICS 238120 – Structural Steel and Precast Concrete Contractors (Relevant to structural steel, cold-formed steel, and aluminum elements that are inspected)

Records and Due Date

This bid opportunity was entered into BidAmerica on February 5, 2026, and was last updated on February 17, 2026. All bids and/or proposals are due on February 19, 2026.

Contractors may log in or create a free BidAmerica account to view full project documents, plans, specifications, addenda, submission requirements, and more project details issued by Selma Unified School District.

Legal Disclaimer

All bidders are responsible for reviewing and verifying all official bid documentation directly from the issuing agency. BidAmerica aggregates public bid information for advertisement purposes for contractors and government agencies convenience. This Notice of Invitation to Bid is for reference purposes only and is not an official or complete representation of any documents issued by Selma Unified School District. BidAmerica does not guarantee the accuracy, completeness, or timeliness of any information displayed and shall not be held liable for any errors, omissions, misinterpretations, or damages resulting from reliance on this summary. Contractors must obtain all official information—including plans, specifications, addenda, deadlines, submission requirements, qualifications, and bidding conditions—directly from Selma Unified School District prior to bidding.