Construction Project Management Software for Indian Wastewater and Sewage Contractors
Built for the contractors
India's sewage treatment runs through.
NMCG interceptor sewers, AMRUT sewage networks, and STP construction under Swachh Bharat Mission. CPHEEO manual references, effluent standard compliance logs, and MLSS commissioning records, all threaded into the project record from day one.
NMCG + AMRUT
Primary funding streams, each with distinct DPR, bid, and audit requirements
CPHEEO manual
Sewage system design standards referenced in every Civil Brain answer
Effluent standards
CPCB/SPCB discharge norms tracked against commissioning test records
Sewer reach-wise
Quantity tracking from manhole to manhole, invert-level verified
Sewage work is delayed by what you can't see and can't fix quickly.
A sewage network passes through the most congested parts of a city. Existing utility conflicts are discovered per manhole. Dewatering takes longer than planned. STP civil works require watertightness at each tank stage. None of this is in the schedule. All of it affects the RA bill.
Manhole-to-manhole invert levels don't match the DPR cross-sections
The DPR shows a 1:150 gradient from MH-47 to MH-52. The as-laid ground level at MH-49 is 300mm higher than the DPR assumed. The contractor deepens the excavation, hits rock at 2.8m, and needs a variation order for rock-cutting rates. The measurement record starts at the dispute, not the discovery.
STP tank watertightness test failed, rectification not documented
Aeration tank fails the watertightness test per IS: 3370. The contractor rectifies the joint at column 4-C. The SPCB inspector signs off on re-test. But the original test failure, rectification method, and re-test are in three different site registers. The PMC's final certification is delayed by a month of paperwork reconstruction.
Dewatering costs are real but not in the BOQ
The sewer runs at 4.5m below existing ground in a high-water-table zone. Dewatering runs 24 hours a day for 11 weeks. The BOQ has a provisional dewatering item at ₹45,000 per month. The actual cost is ₹3.2 lakh per month. The variation claim requires contemporaneous cost records that nobody kept.
Commissioning tests passed but the MLSS records weren't signed
The STP achieves design MLSS after 45 days of seeding. The operator logs the daily readings. The contractor declares commissioning. NMCG's third-party inspection finds that the performance guarantee test report is unsigned by the site engineer. Commissioning certificate withheld. Retention held for six more months.
From DPR upload to effluent-test-certified RA bill.
Wastewater work lives in the gap between civil construction and process commissioning. CivilBolt covers both: sewer reach records, STP tank-by-tank test logs, and commissioning performance data in one project record the NMCG auditor can read.
Step 01
Upload the DPR, awarded contract, and SOR
Detailed Project Report, contract conditions, schedule of rates, STP design basis. Civil Brain reads CPHEEO manual references, CPCB effluent standards, IS: 3370 for tank design, and the specific performance guarantee clause in your contract.
Step 02
Project organised by sewer reach and STP component
Sewer network tracked manhole to manhole: invert-in, invert-out, pipe dia, material, depth, backfill type, and reinstatement. STP civil components tracked by structure: aeration tank, clarifier, sludge thickener, inlet chamber. Each with its own test register.
Step 03
Test logs, dewatering records, and variations captured at the event
Watertightness test result logged the day of the test, linked to the specific tank and IS: 3370 clause. Dewatering cost logged daily against the provisional BOQ item, with pump hours and fuel receipts. Rock-cutting variation logged the day it starts, with the cross-section survey that triggered it.
Step 04
Commissioning records and RA bills from the same data
MLSS daily log auto-compiles into the performance guarantee test report format. RA bill for the sewer network pulls accepted reaches with the IS: 4111 pipe-joint test certificates attached. NMCG audit-ready documentation without a separate compilation exercise.
Contract modes used on Indian wastewater projects.
NMCG interceptor sewer packages and AMRUT-funded sewage networks typically run item-rate with CPHEEO-aligned BOQs. Larger STP packages, especially under hybrid annuity or PPP structures, go EPC or DBOT. World Bank and ADB-funded Ganga rejuvenation projects use FIDIC variants.
Run a real wastewater tender through CivilBolt.
30 minutes with a construction expert. Send us an NMCG, AMRUT, or STP construction tender. We'll process it on the demo and walk through the sewer reach setup, tank test workflow, and CPHEEO code traces.