Construction of Two Classrooms with Storerooms

• Country: Namibia
• Summary: Construction of Two Classrooms with Storerooms
• NAT Ref No: 61244064
• Deadline: 13 Jan 2022
• Financier: Self Financed
• Purchaser Ownership: Government
• Tender Value: Refer Document
• Notice Type: Tender
• Document Ref. No.: W/RFQ/ERC-020/2021/2022
• Purchaser's Detail:
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• Description:
• Tenders are invited for Construction of Two Classrooms with Storerooms at Flamingo SS. 1. EARTHWORKS 1.1. Compaction of ground surfaces including scarifying for a depth of 150mm, breaking down oversize material adding suitable material where necessary and compacting to 93% mod AASHTO density. 80 m2 1.2. Excavation in earth not exceeding 1 m deep: trenches and holes. 30 tnj 1.3. Backfilling for trenches and holes. 15 m3 1.4. Surplus materials from excavations and/or stock piles on site to a dumping site to be allocated by the contractor. 4 m3 1.5. Earth filling obtained from the excavations and/or prescribed stock piles on site compacted to 93% Mod AASHTO density backfilling behind retaining walls, under floors, steps and apron. 55 m3 1.6. Hard Rock 6 m3 1.7. Form work to footing and bases 33 nr 1.8. Mild steel reinforcement 12mm bars bent and fixed to structural concrete work 1968 kg 1.9. Jack hammers is necessary 6 m3 1.10. Coarse river sand filling supplied by the contractor under floors etc. 30 m3 1.11. Soil insecticide under floors, pavings, etc. including forming and poisoning shallow furrows against foundation walls etc, filling in furrows and ramming. 112 m2 1.12. Soil insecticide to bottoms of trenches, holes etc. 120 m5 Total 2. CONCRETE WORK (UNREINFORCED AND REINFORCED) 2.1. Making and testing 150x 150x 150mm concrete strength test cube 2 No 2.2. 20MPa/19mm concrete: surface beds, aprons, pavings, ramps etc. cast in panels 25 m3 2.3. 25MPa/19mm concrete: surface beds, aprons, pavings, ramps etc. cast in panels 18 m3 2.4. 30MPa/19mm concrete footings, bases and ground beams 10 m3 2.5. Finishing top surfaces of concrete smooth surface beds, slabs, aprons, pavings, etc. with a wood float 65 2 nr 2.6. Finishing top surfaces of concrete smooth surface beds, slabs, aprons, pavings, etc. with a steel trowel 112 m2 2.7. Expansion joints with 10mm thick closed cell polyethylene between vertical concrete and or brick surfaces: joints not exceeding 300mm wide 22 m 2.8. 3x40mm saw cut joints in top of concrete with top cut to 6x20 mm 30 m Total 3. BRICKWORK IN FOUNDATION AND SUPERSTRUCTURE 3.1. Brickwork of 14MPa cement bricks in class 1 mortar: half brick wall 10 nr 3.2. Brickwork of 14MPa cement bricks in class 1 mortar: one brick wall 40 nr 3.3. Brickwork of 7MPa cement bricks in class 11 mortar: half brick wall 35 m2 3.4. Brickwork of 7MPa cement bricks in class 11 mortar: half brick wall in beam filling 8 2 nr 3.5. Brickwork of 7MPa cement bricks in class 11 mortar: one brick wall 160 m2 3.6. Galvanized brick reinforcement: 75mm wide reinforcement built horizontally (extra lor brick lintols or bands) 208 m 3.7. Galvanized brick reinforcement: 150mm wide reinforcement built horizontally (extra for brick lintols or bands) 915 m 3.8. 1.6mm galvanized hoop iron tie 30mm wide and 750mm girth built into brickwork and wrapped around and spiked to wall plate 22 No 3.9. Prestressed prefabricated lintels: 105x75mm lintels in lengths exceeding 3 m 48 m 3.10. Natural grey fibrecement window sills in single lengths bedded in class 1 mortar including metal fixing lugs etc.: 15x150mm sills set flat and slightly projecting 18 m 4. DAMP-PROOFING OF WALLS AND FLOORS ■ 4.1. One layer of approved 375 micron embossed damp course in walls (110mm and 220mm wide) 13 m2 4.2. One layer of approved 250 micron under surface bed type waterproof sheeting sealed at laps with pressure sensitive tape under surface beds, aprons, etc. 116 m2 4.3. One layer of approved 250 micron under surface bed type waterproof sheeting sealed at laps with pressure sensitive tape to sides and bottoms of trenches and holes 53 m2 Total 5. ROOF COVERINGS 5.1. Big six corrugated profile roof sheeting fixed to timbers and purlins. 263 m2 5.2. Plain fixed ridge capping. 17 m 5.3. Ridge end cap. 2 No 5.4. Side cladding with end laps and side laps sealed. 17 m Total 6. ROOF CONSTRUCTION 6.1. Sawn Softwood Grade 4 with nailed or bolted connections 38x114mm Timber in wall plates, rafters, beams, joists, hansers. runners, etc. 32 m 6.2. Sawn Softwood Grade 4 with nailed or bolted connections 50x152mm Timber in all wall plates, rafters, beams, joists, hangers, runners etc. 53 m 6.3. Prefabricated double pitch roof trusses of Grade V/M6 timber with a pitch of exceeding 10 and not exceeding 25 grade. Double pitched truss with a clear span of exceeding 6m and not exceeding 8m an overhang of not exceeding 900mm at eaves on both sides. 20 No 6.4. Medium density fibrecement fascias and bargeboards 38x50mm Brandering in widths not exceeding 900mm wide at 450mm centers in one direction and at ends Fixed to underside of or in between timber rafters and trusses 263 m2 Submission of Quotations Quotations should be deposited in the Quotation/Bid Box located at Erongo Regional Council, not later than 13 Jan 2022 at 10h00 Quotations by post or hand delivered should reach Erongo Regional Council, Private Bag 5019, Swakopmund by the same date and time at latest. Late quotations will be rejected. Quotations received by e-mail will not be considered.
• Documents:

 Tender Notice