Quotations are hereby invited for the following: Maintenance of nursery structure (ARC-TSC) Addo. Specification: Maintenance to nursery, net house structure, at ARC, Addo: • Size of structure – (40m x 32m x ±3.5m). Scope of work to be done: Structure: 1. Plant and secure inside and outside poles; 2. Plant and secure anchors; 3. Putting up cable to secure structure and level poles; 4. Securing of cable with grips. Netting: 1. Covering of pole heads; 2. Threading of net on steel wire; 3. Pulling up roof and securing wire and net; 4. Putting up side net and securing net. Material needed: • Outside poles, creosote poles, 4.2 meter (125 x 150mm) x 22; • Inside poles, creosote poles, 3.6 meter (100 125mm) x 22; • Stay rods, galvanised, 1.5m x 20mm x 18; • Concrete anchors 690mm (diameter) x 150mm (middle thickness) x 18; • Oval steel wire 2.31mm x 1500 meter x 1; • Grip VDWG 240 (150 x 175mm) PLP grips x 76; • Grip VBT 240 (100 x 125mm) PLP grips x 54 • Shade net, 3m wide (40% black) x 100 meters; • Hog rings HR 23 (10 000 pieces) x 10 000 pieces. Delivery address: Institute for Tropical and Subtropical Crops, ARC-ITSC Addo Research Station, PO Box 25, Barkley Bridge Road, Addo 6105. (投標 №89133433cn)