GMC & AH RAJOURI
Company solution proposal · Concept note

A clearer view of the Rajouri hospital wastewater plant

Automation and digital monitoring upgrade for the 500 KLD CETP at GMC & Associated Hospital, Kheora, Rajouri.

Phase 1: monitoring & digital records No rebuild of treatment equipment Works locally without internet
500 KLD5,00,000 litres treated per day
~12 weeksTarget delivery sequence
₹10.6 LMidpoint, technology package
₹7.2–13.9 LPlanning range, excl. GST
01The idea in one minute

The treatment plant already has equipment that moves and treats wastewater. Our company proposes to add a digital layer around it: selected sensors take readings, a controller collects them, a local computer shows the plant on one screen, and the system keeps a time-stamped record and raises alerts.

We improve visibility and records without rebuilding the treatment plant.

02Context

The plant and why it matters

The plant is designed to treat up to 500 KLD — 500,000 litres of wastewater per day. The tender states that the incoming wastewater includes waste from operation theatres (OT), the blood bank, laboratories and laundry, together with sewage from IPD (in-patient department), OPD toilets and the kitchen.[1]

How the water is treated

Collect& screen
Balancein tanks
Chemicaltreatment
Biologicalusing air
Settle
Filter
Disinfect
Store& reuse

Sludge is handled separately.

Treated-water limits set by the tender

Treated-water measureTender limitIn simple words
pH6.5–7.5Not too acidic or alkaline
BODBelow 5 mg/LVery little biodegradable pollution remains
CODBelow 10 mg/LLow remaining chemical oxygen demand
TSSBelow 5 mg/LVery few suspended particles
TurbidityBelow 5 NTULow cloudiness
Oil and greaseNilNo oil/grease

How the opportunity was identified

The tender already specifies a 415 V control panel, automatic/manual operation, level-based pump controls, flow and air-flow meters, an energy meter and laboratory testing. It also requires the contractor to maintain logbooks for operating parameters and maintenance (Annexure B, clause 50).[1]

We are not claiming that the plant is failing

The supplied News18 J&K video was used by the project team as context for treating the plant as operational. The opportunity is to make an operating plant easier to monitor, understand and document — not to replace its treatment equipment or claim a breakdown.

03The proposed solution

What the company will add

Think of it as giving the plant eyes, a small brain, a memory and a voice.

The eyes

Sensors

2 pH points (inlet and treated outlet); 1 inlet conductivity; 1 dissolved-oxygen (DO) point in the biological stage; 1 treated-water turbidity point.
What it doesShows selected water-quality indicators. Inlet pH and conductivity together can warn staff about unusual hospital discharge; they cannot identify the chemical.
Levels

Tank level

4 continuous ultrasonic level transmitters: equalisation, filter-feed, sludge-holding and treated-water tanks.
What it doesShows actual level and trends. Existing level switches keep their original pump-control role.
Equipment

Motor status

10 motor current switches, plus 2 if a second blower set is confirmed.
What it doesShows current-present / running indication for selected pumps and blowers; it does not prove flow or identify every trip.
The brain

Controller

One Siemens S7-1200 PLC with matching analog and RS-485 modules; reuse existing meter outputs and authorised panel signals where suitable.
What it doesCollects readings, marks signal faults and raises agreed alarms. It does not take over pump/blower commands in Phase 1.
The memory

Local computer & software

Plant-room computer, monitor and local storage. Node-RED, InfluxDB and Grafana form the proposed self-hosted software stack.
What it doesDisplays the plant, stores readings/events and prepares reports and a digital logbook.
The voice

Network & alerts

Use the hospital network if approved; otherwise a VPN-capable 4G router after coverage testing. Local beacon/hooter; SMS when a network is available.
What it doesAuthorised people can view the plant remotely when connected. Local monitoring does not depend on internet.

How the pieces work together

1

Measure

Sensors and existing compatible meters read tank levels, selected water-quality indicators, flow, air and energy.

2

Collect

The PLC gathers the signals and checks whether readings are valid or communication has been lost.

3

Show & remember

The local computer displays readings and saves a time-stamped history, operator notes and alarm events.

4

Inform people

Local lights/hooter alert the operator. Remote viewing and SMS work when the approved network is available.

What changes for the plant team

AreaBefore / current positionAfter the proposed upgrade
Water qualityLab testing and available local instruments.Selected pH, conductivity, DO and turbidity indicators appear as live readings and trends.
Tank levelsExisting level switches / local indication.Four selected tanks show continuous level and history; original switches remain in service.
EquipmentExisting panel runs the equipment; status may need local checking.Selected pump/blower running indications and run-time history are shown centrally.
RecordsRecords as currently kept (to be confirmed at site visit).Automatic time-stamped readings and event history, plus operator entries and lab-result records.
Warnings & accessDepends on existing local arrangements.Agreed alarms on the local screen/light/hooter; secure, read-only remote view and SMS when connectivity allows.

Watch first, control later

Phase 1 is monitoring and digital records only. The original plant panel continues to control pumps and blowers. Any later VFD blower control, automatic dosing or other process-control change would be a separate phase requiring process review and approval.

04Technology package and budget

What equipment and software are needed

The amounts below describe the indicative hardware/software package only — not the company’s full commercial quotation.

This is a material and software-infrastructure estimate based on the lean BOM. Product listings and assumptions are not written supplier quotations; exact models and quantities are confirmed after the site check.

Indicative technology-package budget
₹10.6 lakh midpoint
Planning range ≈ ₹7.2–13.9 lakh, excluding GST
₹0₹5 L₹10 L₹15 L
Budget categoryMain contentsMidpoint · planning range
Field instruments
2 pH; 1 conductivity; 1 optical DO; 1 low-range turbidity; 4 ultrasonic level transmitters; 10 motor current switches, plus 2 if a second blower set is confirmed; mounts/accessories.
₹4.80 L₹3.26–6.34 L
Controller & communication
Siemens S7-1200 CPU; 8-channel 4–20 mA input module; RS-485 module; interface accessories.
₹0.87 L₹0.69–1.05 L
Panel & power
Small automation enclosure, 24 V supply, protection, DC backup for control hardware, junctions and local alarm beacon/hooter.
₹1.65 L₹1.10–2.20 L
Computer & network
Mini PC, monitor, local backup storage, VPN-capable 4G router, dual SIM allowance and small UPS; separate network switch only if required by hospital IT.
₹1.54 L₹1.05–2.04 L
Cabling & field materials
Approximately 500–900 m provisional allowance for instrument/RS-485/Ethernet cable, conduit, glands, brackets and connections; confirm routes at site.
₹1.05 L₹0.60–1.50 L
Initial spares
Calibration buffers/solutions, cleaning supplies, spare pH electrode/consumables, fuses and small spares.
₹0.65 L₹0.50–0.80 L
Total (excl. GST)
Sum of the six categories above.
≈ ₹10.6 L₹7.2–13.9 L
Software licence: The proposed self-hosted Node-RED, InfluxDB OSS and Grafana OSS stack has no standard per-seat SCADA licence purchase in this base estimate. Software development, configuration, cybersecurity, backups and support are company delivery services and are not included in the material subtotal.
Not included in the technology-package subtotal: company engineering and installation labour, site survey charges, travel/accommodation, company overhead or profit, GST, civil works, replacement of pumps/blowers/tanks/filters, and later Phase 2 control equipment. The company will add its delivery and commercial charges separately.

How we keep the package economical

05Delivery, inputs and outcomes

How the company will deliver

Target sequence of about 12 weeks; to be confirmed after the site visit and supplier delivery times.

Weeks 1–2

Check

Visit the site; inspect existing panel, installed instruments, signal outputs, tank heights, cable routes, computer space and network coverage.

Weeks 3–4

Agree

Confirm sensor locations, exact models, interfaces, PLC I/O, dashboard screens, alarm rules, data ownership and network/security approach.

Weeks 4–8

Prepare

Procure approved hardware, prepare the small cabinet, configure the PLC and build dashboards, records, reports and backups.

Weeks 9–10

Install

Mount sensors, lay approved cables and connect authorised read-only signals during agreed work windows.

Week 11

Test

Check sensor readings, signal mapping, alarms, local records, backup and offline operation; test remote viewing if approved.

Week 12

Handover

Train operators and engineers; provide drawings, manuals, configuration backups and agreed support information.

What the company needs from the plant

Required from GMC & AH / plant teamWhy it is needed
Approved process flow diagram, P&ID, general arrangement and tank heights.To place sensors correctly and select suitable ranges and mounting kits.
Panel drawings, PLC/HMI details if any, motor list and supervised access.To identify signals that can be read safely without disturbing existing controls.
Datasheets and output details for existing flow, air-flow and energy meters.To decide whether each can connect by 4–20 mA, pulse or Modbus.
Recent lab results, available operating readings and current record formats.To compare online indicators with lab results and understand present practice.
Hospital IT approval, network/mobile coverage check, power and cabinet location.To plan secure remote access and reliable local installation.
Named plant contact, access permission, safety induction and work permits.To coordinate the survey, installation and operator training.

What the company delivers and what the plant gets

Company delivers
Plant receives
Selected sensors, PLC/interface hardware, small cabinet, local computer and approved network equipment.
→
Live view of selected water-quality indicators, levels, meter readings and equipment running status.
Configured local dashboard, alarm/event handling, digital logbook and reports.
→
Earlier visibility of abnormal trends, central history, operator notes and easier reporting.
Testing, calibration/verification records, as-built connections and backups.
→
A tested system with documents, trained operators and a clear handover.
Secure remote access setup when approved and connectivity permits.
→
Authorised staff can view the plant remotely; local monitoring remains available during internet outages.
06Outcome

Expected result

The plant keeps doing the treatment work it was built to do. Our company adds a practical monitoring and record-keeping layer, so operators can see selected conditions sooner, review what happened, and prepare clearer operating reports.

Important limits

Online pH, conductivity, DO and turbidity are selected indicators; they do not prove compliance for BOD, COD, TSS, hardness or microbiological parameters. Laboratory testing continues.

Current switches show current-present/running status, not water flow or every trip.

Remote access and SMS depend on network availability.

Sources

  1. J&K Government tender e-NIT MHCJ/Tech/e-Nit/2025-26/13 dated 10 Sep 2025: Annexure A, pp. 8–13 (plant capacity, wastewater sources, treatment scope and limits); Annexure B, clause 50 (logbooks).
  2. Project-team implementation plan for the 500 KLD GMC&AH Kheora plant.
  3. News18 J&K video link supplied by the project team: view supplied video. The publication date is not visible in the supplied reference and is therefore not stated. The video is used only as contextual evidence of the operating-plant premise, not as proof of instrument interfaces or treatment performance.
  4. Final lean engineering/BOM scope as described by the project team (v9).