Inspection chamber 600x600x750 in 150mm block with cover: cost per unit in Nigeria
Net unit rate in Abuja, excluding overheads, profit and VAT
₦109,142per unit
Tender rate about ₦145,678 per unit with overheads, contingency, profit and VAT.
Price a BoQ with this rateAs at 15 October 2026, the net unit rate for inspection chamber 600x600x750 in 150mm block with cover is ₦109,142 per unit in Abuja: ₦86,545 materials, ₦22,598 labour and ₦0 plant. With overheads (7.5%), contingency (5%), profit (10%) and VAT (7.5%) the tender rate is about ₦145,678 per unit.
Rate build-up (Abuja, Oct 2026)
| Resource type | Resource | Quantity per unit | Waste | Rate | Cost |
|---|---|---|---|---|---|
| Material | OPC 42.5 cement, 50kg bag - adopted market average | 1.2 bag | 3% | ₦12,000 | ₦14,832 |
| Material | Sharp sand, per tonne | 0.2 tonne | 8% | ₦6,500 | ₦1,404 |
| Material | Granite 3/4", per tonne | 0.11 tonne | 5% | ₦18,000 | ₦2,079 |
| Material | 6" (150mm) hollow sandcrete block | 18 unit | 5% | ₦700 | ₦13,230 |
| Material | Cast-iron manhole cover & frame, medium duty | 1 unit | - | ₦55,000 | ₦55,000 |
| Labour (hours) | Mason / bricklayer | 5 h | - | ₦2,456 | ₦12,281 |
| Labour (hours) | Unskilled labourer | 9 h | - | ₦1,146 | ₦10,316 |
| Materials | ₦86,545 | ||||
| Labour | ₦22,598 | ||||
| Plant | ₦0 | ||||
| Net unit rate per unit | ₦109,142 |
Rate by location
Materials, labour and plant are adjusted separately with Buildocrat's location factors.
| Location | Net rate per unit | Tender rate incl. OH&P and VAT |
|---|---|---|
| Abuja (FCT) | ₦109,142 | ₦145,678 |
| Lagos | ₦116,143 | ₦155,021 |
| Port Harcourt | ₦114,936 | ₦153,411 |
| Ibadan | ₦100,296 | ₦133,869 |
| Osogbo (Osun) | ₦100,031 | ₦133,516 |
| Kano | ₦97,435 | ₦130,051 |
| Kaduna | ₦98,978 | ₦132,111 |
| Enugu | ₦102,892 | ₦137,335 |
| Benin City | ₦104,209 | ₦139,093 |
| Uyo | ₦108,349 | ₦144,619 |
| Jos | ₦99,844 | ₦133,266 |
| Riverine / creek site | ₦137,366 | ₦183,348 |
Related plumbing rates
- F03 WC suite (mid-range), supplied, fixed & connected₦142,805 per unit
- F06 WC suite (economy), supplied, fixed & connected₦92,805 per unit
- F07 WC one-piece (premium), supplied, fixed & connected₦369,197 per unit
- F04 Wash hand basin with pedestal & mixer, fixed & connected₦101,674 per unit
- F05 Single-bowl stainless kitchen sink with mixer, fixed & connected₦87,671 per unit
- F08 Acrylic bathtub 1.7m with mixer, fixed & connected₦302,904 per unit
- F09 Shower mixer set with head & floor drain, installed₦74,815 per unit
- F10 Urinal with flush valve, fixed & connected₦133,868 per unit
- F11 Electric water heater 50L, installed₦165,764 per unit
- F12 Cold water point, 20mm PPR (avg 6m run)₦16,167 per point
- F13 Hot water point, 25mm PPR (avg 6m run)₦19,579 per point
- F14 Soil & waste point, uPVC 110/50mm₦25,300 per point
- F15 2,000L tank on 6m steel stand, installed & connected₦662,899 per unit
- F16 1HP surface pump with valves, installed₦130,381 per unit
- F17 Borehole drilling in basement rock, Abuja (subcontract)₦22,000 per m
- F18 Complete borehole 120m: survey, drilling, casing, 1.5HP pump, tank stand & 2,000L tank₦4,254,440 per unit
- F20 110mm uPVC underground drain on sand bed (excl. trench)₦5,088 per m
Frequently asked questions
How much does inspection chamber 600x600x750 in 150mm block with cover cost per unit in Nigeria?
About ₦109,142 per unit net in Abuja as at 15 October 2026, or about ₦145,678 per unit as a tender rate including overheads, contingency, profit and VAT (Buildocrat Nigeria Construction Rate Book).
What is the rate in Lagos?
Applying Buildocrat's Lagos location factors, the net rate is about ₦116,143 per unit and the tender rate about ₦155,021 per unit.
What does the rate include?
Materials (6" (150mm) hollow sandcrete block, Cast-iron manhole cover & frame, Granite 3/4", OPC 42.5 cement, Sharp sand) with waste allowances; labour (Mason / bricklayer, Unskilled labourer) at all-in rates including feeding, transport, idle time and statutory costs; and plant (no plant) including fuel and operator. Overheads, profit and VAT are excluded from the net rate.
How to cite: Buildocrat, Nigeria Construction Rate Book, https://rates.buildocrat.store/rates/f19-inspection-chamber-600x600x750-in-150mm-block-with-cover/, prices as at 15 October 2026.