Floraton primary school: new sanitation infrastructure and associated external works (CIDB 5gb)

Closing

• 4 December 2026 at 09:00.

Compulsory briefing or site visit

• None indicated in the available material.

Scope

• New sanitation infrastructure and associated external works at Floraton Primary School, including demolition of the existing ablution block and erection of a new ablution building to prototype W1A-R.
• Contract period: 10 calendar months.
• Quantities are measured under the Model Preambles for Trades (2008 Edition); the priced bill of quantities governs.

Alterations and demolition

• Excavate and remove 250 m of existing 110 mm sewer line, including backfilling and compaction.
• Temporary 2 000 mm high 70% green shade cloth screen: 281 m.
• Two temporary double swing construction gates, 5 000 mm wide x 2 400 mm high.
• Demolish and remove one single-storey pitched-roof building, 6,17 m x 3,55 m on plan and 3 m to eaves, including removal of sanitary fittings and plumbing, desludging and decommissioning of the existing ablution block.
• Fill existing toilet pits with 11 m3 surplus demolition material and 33 m3 G7 material in 200 mm layers compacted to 93% Mod AASHTO.

Earthworks (new building)

• Strip and stockpile a 100 mm topsoil layer: 100 m2.
• Excavation to reduced levels 10 m3; raft foundation excavation 15 m3; soft rock 3 m3; hard rock 1 m3.
• Cart away 15 m3 surplus material to a dumping site located by the contractor.
• Support sides of trench and hole excavations up to 1,5 m deep: 50 m2; keep excavations free of water.
• Earth filling from excavations 27 m3; G5 filling compacted to 93% Mod AASHTO 11 m3; coarse river sand filling 1 m3.
• Compact ground surface under floors to 95% Mod AASHTO: 46 m2.
• Density testing: 16 Mod AASHTO tests and 16 field density tests (four readings per test).
• Soil insecticide under floors: 72 m2.

Concrete, formwork and reinforcement

• 15 MPa/20 mm blinding 1 m3; 25 MPa/20 mm concrete: ramps and aprons 2 m3, bases 1 m3, raft foundation 11 m3.
• Smooth formwork to raft foundation sides: 35 m2.
• Wood-trowelled surface beds 46 m2; Sikafloor Curehard-24 dry-shake hardener 46 m2.
• Test cubes: 6 sets of six 150 x 150 x 150 mm cubes, tested by an approved laboratory.
• Saw-cut joints 6 x 20 mm: 10 m; 10 mm isolation joints: 28 m and 6 m2.
• High-tensile reinforcement 2,5 t; fabric reinforcement type 245 32 m2 and type 193 14 m2.

Masonry

• Half-brick walls 13 m2; half-brick beamfilling 3 m2; one-brick walls 92 m2.
• Corobrick Firelight Satin FBX facebrick with 6 mm square recessed joints: 82 m2, plus 10 m2 in beamfilling.
• Facebrick cills 4 m; cut soldier-course window heads 5 m; fair raking cutting 9 m.
• Bagging 82 m2; horizontal reinforcement 75 mm wide 186 m and 150 mm wide 381 m; prestressed lintels 11 m; hoop iron cramps 16 No.

Waterproofing and roofing

• 375 micron DPC in walls 9 m2; 250 micron waterproof sheeting to raft foundation 74 m2; two coats Brixeal bitumen emulsion to bagged walls 82 m2.
• Silicon pointing to aluminium windows 23 m; sealed floor joints 14 m, 40 m and 6 m.
• Safintra 0,50 mm Widedek AZ150 G550 pre-painted roof sheeting: 65 m2, with ridge capping 8 m, flashing 16 m and filler blocks 16 m.
• Sisalation 420 foil insulation 65 m2; eave polycloser 32 m.

Carpentry, joinery and ironmongery

• Eight prefabricated connector-plate roof trusses, 5 100 mm span, 25 degree pitch, designed to SANS 10160, with TR1 and TR2 certification.
• Wall plates 22 m; bracing 35 m; purlins 65 m; 45 x 145 mm beams 8 m; hurricane clips 128 No.
• Barge boards 16 m; fascia boards 16 m.
• Five 44 mm solid-core doors 813 x 2 032 mm and two TDM hardwood doors; seven timber door frames.
• Ironmongery including brass butt hinges, Union locks, indicator bolts, stainless steel grab rails, toilet roll holders, hooks and door stops; male and paraplegic signage.

Metalwork

• Hot-dip galvanised steel windows: six at 533 x 654 mm and one at 899 x 457 mm, each with a matching burglar bar.
• Two pressed steel door frames; three galvanised steel posts on concrete footings.
• Two hot-dip galvanised single gates, 877 mm x 2 225 mm.

Finishes and services

• 30 mm floor screed 27 m2; internal cement plaster 127 m2 plus 2 m2 in narrow widths.
• Rainwater goods: 146 x 93 mm gutters 16 m, 80 mm downpipes 21 m and associated fittings.
• Sanitary fittings: five Atlas VIP toilets, one Atlas Viking close-coupled suite, four Atlas Viking handwash basins, traps and brassware.
• uPVC drainage: 50 mm pipe 35 m and 110 mm pipe 65 m with bends, junctions and vent valves.
• Copper water supply: 22 mm pipe 49 m and 15 mm pipe 35 m; 12 mm polywater pipe 8 m.
• One JoJo 5 500 litre horizontal water storage tank hoisted onto a plinth.
• 6,38 mm laminated safety glass 3 m2; four stainless steel mirrors.
• Painting: internal walls 127 m2, concrete floors 27 m2, fascias and barge boards 9 m2, door frames 3 m2, security gates 7 m2, doors 25 m2, roof timbers 48 m2.

Payment conditions

• The desludging certificate must be submitted before payment is released for demolition of the toilets.

Provisional items

• The alterations section, the reinforcement, and the plumbing and drainage bill are provisional and priced as such.

Materials

• Old materials from the alterations become the contractor's property and a credit must be allowed in the final summary.
• Materials handed over to the department's representative require an official receipt; without it the contractor remains liable for the full replacement value, deducted from money due.

CIDB

• Minimum grading: 5GB or higher.

Contract period

• 10 calendar months.

Site and materials

• Samples of all masonry units must be submitted for approval, minimum six units per sample.
• Concrete cube testing by an independent firm nominated by the contractor and approved by the architect.
• Roof trusses designed to SANS 10160 and certified with TR1 and TR2 certificates.
• Blockwork to SABS 0145; concrete masonry units to SABS 1215.
• Stonework, facebrick and paving materials must be of approved manufacture and match approved samples.