Precast manhole 1200mm dia, 2m deep, with D400 cover: cost per unit in Nigeria
Net unit rate in Abuja, excluding overheads, profit and VAT
₦854,353per unit
Tender rate about ₦1,140,345 per unit with overheads, contingency, profit and VAT.
Price a BoQ with this rateAs at 15 October 2026, the net unit rate for precast manhole 1200mm dia, 2m deep, with D400 cover is ₦854,353 per unit in Abuja: ₦601,528 materials, ₦28,492 labour and ₦224,332 plant. With overheads (7.5%), contingency (5%), profit (10%) and VAT (7.5%) the tender rate is about ₦1,140,345 per unit.
Rate build-up (Abuja, Oct 2026)
| Resource type | Resource | Quantity per unit | Waste | Rate | Cost |
|---|---|---|---|---|---|
| Material | Precast manhole ring 1200mm dia x 1m | 2 unit | 2% | ₦85,000 | ₦173,400 |
| Material | Precast manhole cone/cover slab 1200mm | 1 unit | 2% | ₦95,000 | ₦96,900 |
| Material | Ductile iron manhole cover & frame D400 (heavy duty) | 1 unit | - | ₦280,000 | ₦280,000 |
| Material | OPC 42.5 cement, 50kg bag - adopted market average | 3 bag | 3% | ₦12,000 | ₦37,080 |
| Material | Sharp sand, per tonne | 0.4 tonne | 8% | ₦6,500 | ₦2,808 |
| Material | Granite 3/4", per tonne | 0.6 tonne | 5% | ₦18,000 | ₦11,340 |
| Plant (days) | Hiab / truck-mounted crane 10t | 0.25 day | - | ₦461,330 | ₦115,332 |
| Plant (days) | Hydraulic excavator 14t | 0.2 day | - | ₦545,000 | ₦109,000 |
| Labour (hours) | Mason / bricklayer | 6 h | - | ₦2,456 | ₦14,738 |
| Labour (hours) | Unskilled labourer | 12 h | - | ₦1,146 | ₦13,755 |
| Materials | ₦601,528 | ||||
| Labour | ₦28,492 | ||||
| Plant | ₦224,332 | ||||
| Net unit rate per unit | ₦854,353 |
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) | ₦854,353 | ₦1,140,345 |
| Lagos | ₦903,941 | ₦1,206,532 |
| Port Harcourt | ₦918,997 | ₦1,226,628 |
| Ibadan | ₦807,361 | ₦1,077,623 |
| Osogbo (Osun) | ₦816,439 | ₦1,089,739 |
| Kano | ₦793,906 | ₦1,059,664 |
| Kaduna | ₦800,776 | ₦1,068,834 |
| Enugu | ₦832,137 | ₦1,110,692 |
| Benin City | ₦843,209 | ₦1,125,471 |
| Uyo | ₦874,855 | ₦1,167,710 |
| Jos | ₦811,278 | ₦1,082,851 |
| Riverine / creek site | ₦1,127,394 | ₦1,504,785 |
Related water & sewerage rates
- V01 HDPE PE100 SDR17 pipe 110mm laid and butt-fused in trench on sand bed₦10,487 per m
- V02 HDPE PE100 SDR17 pipe 160mm laid and butt-fused in trench on sand bed₦20,958 per m
- V03 HDPE PE100 SDR17 pipe 250mm laid and butt-fused in trench on sand bed₦50,583 per m
- V04 HDPE PE100 SDR17 pipe 400mm laid and butt-fused in trench on sand bed₦124,777 per m
- V05 Ductile iron pipe DN150 laid in trench on sand bed₦55,966 per m
- V06 Ductile iron pipe DN300 laid in trench on sand bed₦124,862 per m
- V07 uPVC sewer pipe 200mm laid on granular bed₦16,957 per m
- V08 DI gate valve DN150 installed in block chamber with cover₦842,811 per unit
- V09 Pillar fire hydrant with isolating valve installed₦1,734,182 per unit
- V10 Bulk water meter DN100 with 2 valves in chamber₦2,817,498 per unit
- V11 Domestic water connection 15mm with meter and stopcock₦71,610 per unit
- V13 Two-chamber septic tank (10m3) in solid blockwork with RC cover, and soakaway₦2,356,034 per unit
- V14 GRP sectional water tank on steel base frame, installed₦382,232 per m³
- V15 Package sewage treatment plant 50m3/day installed on concrete base₦92,587,570 per unit
- V16 Submersible pump 5.5HP installed in borehole with riser and cable₦1,515,016 per unit
- V17 Rapid gravity filter media (graded sand) placed₦61,093 per m³
- V18 Butterfly valve DN300 installed₦1,328,876 per unit
Frequently asked questions
How much does precast manhole 1200mm dia, 2m deep, with D400 cover cost per unit in Nigeria?
About ₦854,353 per unit net in Abuja as at 15 October 2026, or about ₦1,140,345 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 ₦903,941 per unit and the tender rate about ₦1,206,532 per unit.
What does the rate include?
Materials (Ductile iron manhole cover & frame D400 (heavy duty), Granite 3/4", OPC 42.5 cement, Precast manhole cone/cover slab 1200mm, Precast manhole ring 1200mm dia x 1m, Sharp sand) with waste allowances; labour (Mason / bricklayer, Unskilled labourer) at all-in rates including feeding, transport, idle time and statutory costs; and plant (Hiab / truck-mounted crane 10t, Hydraulic excavator 14t) 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/v12-precast-manhole-1200mm-dia-2m-deep-with-d400-cover/, prices as at 15 October 2026.