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Sector 7 is an old HUDA sector where plot after plot has been rebuilt into stacked builder floors — three or four flats where one family once lived, each flat often running its own rooftop tank above a single shared sump. We clean every drum and the sump below them, across Sector 7, from ₹699 onwards.
Sector 7 began as one of old Gurgaon’s planned HUDA plotted sectors, but over the years much of it has changed shape — the original independent houses have been knocked down and rebuilt as three- and four-storey builder floors, stacking several flats onto a plot that once held a single household. The water here is HUDA piped supply backed by hard borewell groundwater, stored the usual way: one underground sump at ground level feeding overhead tanks on the roof. The twist on a builder floor is that each flat owner often fits a separate rooftop drum, while the single old sump below now serves four households instead of one — quietly multiplying the number of tanks at every address.
What all that rebuilding hides is responsibility. When four owners share one sump and each keeps a private rooftop tank, nobody is quite sure whose job the cleaning is, so it slips for years while silt, biofilm and hard-water scale build at the bottom of the shared sump and on every drum’s walls. Builder-floor buyers tend to assume the developer left everything clean, which rarely holds once the first hard-water season passes. We untangle exactly this in Sector 7 — mapping which tank feeds which flat, then cleaning the whole stack from the shared sump up to each floor’s drum in one organised visit — so every household draws genuinely clean water, and you see the before and after on each tank.
On a Sector 7 builder-floor plot the proper clean is a stack of tanks, not just one drum. We start at the bottom with the shared underground sump — drain it, scrub the walls and floor by hand, and vacuum out the settled silt and hard-water sludge collected below. Then we work up the floors, doing each rooftop drum the same way: empty, scrub, disinfect with food-grade chlorine, and rinse. Doing every flat’s tank in one visit means nothing dirty is left feeding back into the shared system. Every tank gets the full treatment, and you see clear before and after on each one.
A single overhead tank starts at ₹699 and takes about 90 minutes, so when several builder-floor drums are done together in one visit it works out cheaper per tank than separate trips. The shared sump is priced ₹1500–2800 by size and how much sludge has built up, quoted on sight once the cover is off. We quote before we begin and the crew comes fully equipped with pump, vacuum and food-grade chemicals, so there are no surprises and the flats lose as little supply as possible.
Standard Sector 7 tank: about 90 minutes door-to-door for an overhead tank, 2-3 hours for a combined sump + overhead, and longer for high-rise society reservoirs. We bring everything — vacuums, jet pumps, food-grade chlorine disinfectant, scrubbing brushes, rinse water. After cleaning, before-and-after WhatsApp photos and a GST invoice.
"Our Sector 7 builder floor has a separate tank for each flat — can you do them all at once?" Yes, and that is the smart way. When the floors coordinate, we clean every rooftop drum in one visit along with the shared sump below, which is cheaper per tank than separate trips. We drain, scrub, vacuum the sludge and disinfect each with food-grade chlorine, showing before and after on every one. A single tank starts at ₹699 and the shared sump is priced ₹1500–2800 by size. Call 95603 66362 to set it up.
"We just bought a builder floor in Sector 7 — should we clean the tank even though it looks new?" Yes, almost always. Builders rarely clean tanks properly at handover, and even a few months of hard Gurgaon borewell supply leaves silt, scale and biofilm on the walls. A fresh clean before you drink from it is the safe move, and at ₹699 for the overhead tank it is cheap peace of mind. We show you the inside before and after so you can judge for yourself. Call 95603 66362.
"Nobody on our floor is sure whose job the sump is — can you sort the whole building?" That is the most common situation on a builder floor, and we handle it as one job. We clean the shared sump and every flat’s rooftop drum in a single coordinated visit, so no part of the chain is left dirty feeding the rest. The flats split the cost, which works out cheaper per tank than separate trips. We quote on sight before starting. Call 95603 66362 and we will organise the whole building.
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