2.1. Fabricate and deliver culverts, headwalls, cut off walls, and wing walls conforming to the minimum dimensions shown in the attached plans. Fabricators may propose other configurations provided minimum hydraulic openings and bed retention sills are maintained. 2.2.All precast shall comply with the applicable sections of the Vermont Agency of Transportation 2024 Standard Specifications for Construction. Special attention is called to Section 540 - Precast Concrete. This section will include manufacturing and transportation of the precast concrete elements in compliance with section 540. Installation will be performed by others and is not included in this solicitation. The fabricator will still be required to provide lifting calculations and drawings for safe handling of the precast. 2.3.Transportation shall include delivery to the crane hook with a 2 hour allowance for offload of each unit. 2.3.1.Ship - St. Johnsbury RELV2407 culvert, headwalls, wing walls, and cut off walls to: 44.42009131776486, -72.03508161743409 near 399 VT-2B, St Johnsbury, VT 05819 2.3.2.Ship – Danville RELV2405 culvert, headwalls, wing walls, and cut off walls to: 44.41145340544742, - 72.1877555519022 near 525 Wightman Rd, Danville, VT 05828 2.4.Culvert Sections shall be in two pieces (bottom and top such as “clam shell”) 2.5.Maximum piece weights shall be 40,000 lbs 2.6.Maximum piece weights for wing wall sections or cut off walls shall be 35,000 lbs