At Griham.io, we engineered a better way. Using the MEP & Fixtures Grid, we utilize an industry-standard "Point Counting" methodology.
Solvin Babu
Founder Of Griham
Featured
Mechanical, Electrical, and Plumbing (MEP) is often considered the "black box" of construction estimation.
In traditional workflows, estimating civil works like brick and concrete is straightforward because the volumes are clearly drawn on the architectural plans. But MEP is different. Trying to manually measure the exact running meters of 1.5 sq mm copper wire or PVC drainage pipes from a flat 2D floor plan is practically impossible.
Because of this complexity, most civil contractors resort to rough guessing, using vague square-foot percentage multipliers, or waiting weeks for a specialized sub-contractor to provide a quote. If those guesses are wrong, you end up absorbing the cost of expensive copper wire and premium plumbing fixtures out of your own profit margin.
At Griham.io, we engineered a better way. Using the MEP & Fixtures Grid, we utilize an industry-standard "Point Counting" methodology. Instead of forcing you to measure invisible pipes and wires, you simply count the functional points (bathrooms, lights, and plugs). The Parametric Engine reverse-engineers the hidden infrastructure required to service them.
Here is how the final step of our Takeoff Wizard locks in your MEP budget in seconds.
Understanding the Input Fields
The MEP grid removes all guesswork. You only need to input the functional requirements of the space.
1. Location / Floor
Use this field to organize your estimate by zone (e.g., "Ground Floor", "First Floor", "Exterior Landscape"). Organizing MEP by floor makes it incredibly easy for your site engineers to requisition materials from the store phase by phase.
2. Bathrooms
Enter the total number of bathrooms/toilets in this specific zone. The engine uses this single number as a master multiplier to calculate the entire concealed plumbing layout, drainage, and sanitaryware required for that zone.
3. Light Pts. (Light Points)
Enter the total number of ceiling lights, wall brackets, and fan points.
4. Plug Pts. (Plug/Socket Points)
Enter the total number of electrical plug sockets (both 5A standard and 15A heavy power sockets) planned for the zone.
What Does the Engine Generate?
When you click "Calculate & Add to Staging", the engine performs complex reverse-engineering. It combines your Light and Plug points to determine the total electrical load and network complexity, while using the bathroom count to build out the wet services.
Crucially, it reads your global Project Quality setting (Basic, Medium, or Luxury) to automatically specify the exact tier of fixtures you need.
From just those three numbers, the engine generates 7 highly accurate material lines:
The Plumbing Package
Sanitary Closets (Nos): Calculates the exact number of commodes needed. The Magic: If your project is set to "Luxury," the engine automatically prices EWC Wall Hung closets with concealed cisterns. If "Basic," it prices standard Floor Mount closets.
Wash Basins (Nos): Automatically allocates one wash basin per bathroom.
Plumbing Taps & Bents (Nos): Using a standard plumbing thumb rule, the engine allocates 4 fixtures/bents (health faucets, shower heads, angle valves, etc.) for every bathroom entered.
PVC Drainage Pipes (Lengths): Instead of trying to guess pipe routing, the engine uses a historical average of 6 standard lengths of PVC drainage/soil pipe required per bathroom to connect to the main stack.
The Electrical Package
Electrical Wire FR Grade (Coils): The engine adds your Light and Plug points together to find the Total Electrical Points. It then divides this by a standard electrical routing factor (10 points per 90m coil) to give you the exact number of Fire Retardant wire coils to purchase.
Electrical Switches (Nos): It calculates the total number of switches and sockets required. If your project is "Luxury" or "Medium," it prices premium Modular Switches. If "Basic," it prices Standard Switches.
LED Bulbs/Fixtures (Nos): It perfectly matches the number of Light Points you entered with the required number of physical light fixtures or LED bulbs.
The Final Piece of the Puzzle
With the MEP & Fixtures grid completed, you have successfully transformed a 2D architectural drawing into a highly detailed, mathematically flawless, and perfectly priced Bill of Quantities.
No forgotten tile adhesive. No double-counted corners. No guessing on copper wire.
By utilizing the 7 steps of the Griham.io Parametric Takeoff Engine, you are no longer just estimating—you are engineering your bids to guarantee profitability.
Ready to revolutionize your construction business? Log into your [Griham.io Workspace] and run your first Parametric Takeoff today.
