New Construction Plumbing in Tucker, GA

Some families build homes meant for several generations: a suite for grandparents, space for adult children, sometimes a second kitchen. The new construction plumbing in a house like that does two jobs at once. It has to keep up when six or eight people want showers in the same hour, and it should let each part of the family live somewhat separately, with its own controls and fixtures. For owners building in Tucker, both goals are much easier to meet on paper than after the drywall goes up.

Hot water for the morning rush

The busiest hour of the day sets the size of the hot water system. A tank water heater is rated by how much hot water it delivers in its first hour, while a tankless water heater is limited by how many gallons per minute it can heat at once. In a large household, two heaters often work better than one: one for the main living area and one for the suite, each close to the fixtures it serves. That also means a heater failure leaves part of the house with hot water while repairs are arranged.

A second kitchen

A kitchenette or full second kitchen adds a sink, often a dishwasher, sometimes a disposal, and in many plans a refrigerator with an ice maker. The sink needs supply, drainage and venting; dishwasher and disposal connections follow their model instructions, while a typical refrigerator ice maker needs a water supply rather than its own sanitary drain and vent. Fix these locations before rough-in. A second kitchen can increase use, but does not automatically double waste; keep grease and food scraps out of drains and provide accessible cleanouts. If the second kitchen will have a disposal, our garbage disposal team can advise on sizing and installation at trim-out.

Laundry for more than one household

One laundry room may not be enough for three generations. A second washer and dryer inside the suite gives older relatives independence and keeps laundry off the stairs. Second-floor laundries need a drain pan piped to a safe point, a properly sized standpipe and a vent, and water hammer arrestors on the supply valves. Planning both laundry rooms together lets them share a stack when the layout allows.

Independence through shutoffs

Separate shutoff valves for the suite, mounted where its occupants can reach them, let a leak in one area be stopped without cutting water to the whole house. The same thinking applies to fixtures: when the suite has its own water heater and shutoffs, a plumber can service it on a weekday without interrupting everyone else. Label each valve by area before the handover.

Drains and the building sewer

More fixtures mean more drainage load. The building drain and building sewer are sized from calculated drainage fixture loads, pipe slope and the planned layout, so a house with five or six bathrooms and two kitchens may need larger piping than a typical plan. The underground plumbing is tested and checked while the trenches are open and the piping is in, ahead of backfill, so the size and slope of that line are checked while it is still visible.

Owners managing their own build

Some multi-generational homes are built by the family itself, with an owner coordinating the trades. Families who would rather not carry that load can leave the plumbing stages and their tests to whoever handles the new construction plumbing.

Multi-generational home questions in Tucker

Is a tankless water heater a good fit for a large household?

It can be, if it is sized for several fixtures running together rather than one shower. A unit that is too small lets the temperature drop when a second shower starts, so large homes often use a bigger model, two units, or a tank paired with a tankless heater. A gas model needs its gas line and venting to match the unit; an electric model needs the electrical capacity its label calls for.

What should the suite's bathroom include for older relatives?

Plan for a curbless or low-threshold shower, a handheld spray reachable from a seat, a pressure-balancing or thermostatic valve and blocking in the walls for grab bars. Each one needs a decision before rough-in, because the floor recess, the valve body and the blocking all go in while the walls are still open.

Who should coordinate the plumbing stages on an owner-built home?

Whoever holds the contract for the plumbing should. Each stage has to be tested and checked in order before work is covered, so weigh the coordination involved before taking it on yourself.

Plan a house for the whole family

Bringing several generations together under one new roof in Tucker? Call Alpha at (404) 409-4448 and we will size the hot water, drains and shutoffs for the household you actually have.