Re-Advertisement of contract number: ARC/31/03/2024/1. Tenders are hereby invited for the appointment of service provider for the supply, delivery, and installation of a flat top shade net structure (tree breeding structure) at Bien Donne Research Farm. Scope of the work: A. Soil preparation of 2.25 ha of the breeding unit area, prior to establishing the breeding structure; B. Breeding structure option 1 (± 1 hectare) or breeding structure option 2 (± 0.5 hectare): Supply, delivery, and installation of a breeding structure (flat top shade net structure) at ARC Bien Donne Research Farm (33°50’31” S; 18°58,59” E); C. Installation of floor material (heavy duty weed mat made of HDPE 135 gram/square meter that are UV stabilised and have an 8-year warranty) to cover full area of breeding structure including anchor area. The breeding unit area (red area) are situated inside the fenced breeding facility area (yellow perimeter) of ARC-Bien Donne. Soil preparation of breeding unit area of 2.25 ha prior to establishing the breeding structure: • To facilitate future expansion the soil preparation area comprising of 2.25 hectares that is larger than the current breeding house which will only comprise of either 1.0 ha or 0.5 ha; • The area must be levelled and compacted to facilitate a flat and smooth nursery type floor to be able to host trees in pots on a flat level surface. Levelling should be according to the natural slope thus making provision for water runoff when smoothing the area. This should be done using a dumpy level or laser levelling equipment. Supply and installation of breeding structure option 1 (± 1 hectare): • A Haygrove or similar flat top shade structure with a Code 20 white shade net that uses high tensile galvanized steel posts, with all posts individually anchored to provide extra strength. Structures must be moveable by using legs augured into the ground and held in position by anchor plates and cables. • Every post has an internal anchor with a depth of over 75cm (hence the two-part pole). Perimeter posts are anchored with a flat plate (300mm x 300mm) anchor planted 1.5m deep and 4 m away from post and are attached to the posts with – Galvanised steel wire. The design must be able to give the option to convert the flat-top to an arched hoop structure at a later stage. (Offerte №115342387it)