Welded
(butt weld, socket weld): labor commonly counted by welds or by diameter-inches (pipe diameter × number of welds)
Divisions 22 & 23, Piping
Piping Estimating Services for Mechanical, Plumbing & Process Systems
Two pipe runs of the same length can carry very different labor. Copper with press fittings goes in quickly. Schedule 80 carbon steel with welded joints takes far longer per foot, and a run full of fittings takes longer still. A piping estimate that measures footage and stops there is missing most of the labor.
Our piping estimating services take off pipe by system, material, size, and joining method, with fittings, valves, supports, and testing counted, so labor reflects how the pipe is actually installed.
Pipe by sizeMaterial, fittings, valves, welds
Excel + PDFWith marked-up drawings
ZIP-code pricedLocal material and labor rates
24 to 48 hoursTypical turnaround
Systems We Estimate
Commercial mechanical
- Chilled water, heating hot water, and condenser water
- Steam and condensate
- Refrigerant piping
- Condensate drains
Plumbing
- Domestic cold and hot water, recirculation
- Sanitary waste and vent
- Storm drainage
- Natural gas and propane
- Medical gas
Industrial and process
- Process lines, compressed air, and nitrogen
- Chemical and stainless process piping
- Cooling water and utilities
- Fuel oil and specialty systems Industrial estimating →
Joining Method Drives Labor
How the pipe is joined is often the biggest single factor in piping labor:
Threaded
labor by joint, rising with pipe size
Grooved
(mechanical couplings): faster than welding for larger sizes
Press-fit
very fast for copper and some steel systems
Soldered and brazed
copper systems, by joint
Solvent-welded
PVC and CPVC
Mechanical joint / no-hub
cast iron drainage
We count joints and fittings so labor can be priced the way your company prices it: by weld, by diameter-inch, by joint, or by your labor units.
Fittings, Valves & Specialties
- Elbows, tees, reducers, flanges, unions, and caps by size and type
- Valves by type (gate, globe, ball, butterfly, check, balancing, control) and size
- Strainers, expansion joints, flexible connectors, and gauges
- Backflow preventers, pressure regulators, and meters
- Equipment connections
Supports, Testing & Insulation
Hangers and supports
by type and spacing, including trapeze and seismic bracing where required
Sleeves
through walls and floors
Testing
hydrostatic or pneumatic pressure tests, flushing, and disinfection for domestic water
Pipe insulation
by size and thickness Insulation estimating →
Identification
pipe labels and valve tags
Shop Fabrication vs Field Installation
On larger jobs, pipe is often fabricated into spools in a shop and installed in the field. That shifts welds from the field to the shop, where productivity is higher. If you fabricate, tell us: we can separate shop and field joints so each is priced at the right rate.
Who Uses Piping Estimating
- Pipefitting and mechanical contractors
- Plumbing contractors
- Process and industrial piping contractors
- Fabrication shops
- General contractors checking piping scope MEP estimating →
Checklist
What to Send
- Piping plans, isometrics, and details
- Line lists or piping specifications (material, schedule, joining method)
- Equipment schedules
- Plumbing riser diagrams
- Specifications and addenda
Send Your Files
Upload the drawings through our quote form, share a Google Drive or plan-room link, or email them. Large sets travel best as a shared folder.
Upload Your Plans →Or email info@primeestimation.com.
Excel + PDFWith marked-up drawings
Deliverables
What You Receive
- Pipe footage by system, material, schedule, and size
- Fitting and valve counts by type and size
- Weld or joint counts
- Support, sleeve, and testing quantities
- Labor and material pricing
- Marked-up drawings
FAQ
Frequently Asked Questions
How is piping labor estimated?
Usually by the joint or weld, scaled for pipe size, material, and joining method. Many contractors use diameter-inches for welded pipe.
Do you estimate process piping?
Yes, including stainless and chemical systems.
Do you count welds?
Yes, for welded systems, broken out by size and type.
Is plumbing included?
Yes, plumbing piping systems are included; plumbing fixtures can be priced as part of a full plumbing estimate.
Ready to Get Started?
Price the Pipe the Way It's Installed
Send your piping drawings and specifications. We'll quote the takeoff and delivery date.