Plumbing Scope of Work Template

A comprehensive and interactive checklist designed to help general contractors coordinate plumbing projects. Clear scopes lead to better alignment with trade partners and smoother project execution.

Scope Builder

Click any text to edit. Add or remove items to customize for your project.

Plumbing Scope of Work

CSI Division: 22 00 00

From (General Contractor)

Company Name

Project Manager

Phone

To (Subcontractor)

Subcontractor Company

Project Details

Project Name / Address

Date

Project Narrative / Overview

1. Project Narrative & General Requirements

Provide all labor, materials, equipment, and supervision to complete all plumbing work.
Obtain and pay for all necessary plumbing permits and inspections.
Coordinate with local utility providers for water and sewer connections.
Submit product data and submittals for all fixtures and equipment prior to ordering.
Comply with all local building codes, OSHA regulations, and project safety requirements.
Daily cleanup of work area. All trash and debris to be moved to GC provided dumpster.
Guarantee all work for a period of one (1) year from date of substantial completion.

2. Ground Rough / Underslab

Excavate, bed, and backfill for all underground piping within the building footprint.
Install sanitary sewer mains and branches to all fixture locations.
Install storm drainage piping (if applicable) and connect to site storm system.
Install underground water service entrance and distribution piping.
Sleeve all piping penetrations through footings and foundation walls.
Pressure test all underground piping prior to concrete placement.
Wrap/protect all pipes coming up through slab.

3. Top-Out / Rough-In

Install all in-wall and overhead sanitary waste and vent piping.
Install hot and cold water distribution piping (PEX/Copper/CPVC) to all fixtures.
Install proper backing and blocking for all wall-hung fixtures and accessories.
Install washing machine box, ice maker box, and dishwasher connections.
Install gas piping to all gas appliances (Water Heater, Furnace, Range, Fireplace, Dryer).
Install pressure reducing valves, backflow preventers, and expansion tanks as required.
Insulate all hot water lines and water lines in unconditioned spaces.
Fire-caulk all pipe penetrations through fire-rated assemblies.
Pressure test all rough-in piping for inspection.

4. Trim-Out / Finish

Supply and install all finish plumbing fixtures (toilets, sinks, tubs, showers) per schedule.
Install all faucets, shower valves (trim), and tub fillers.
Install garbage disposal and connect dishwasher drain.
Install water heater(s) (Tankless or Tank-type) including venting and gas/electric connection.
Install all angle stops, supply lines, and p-traps.
Caulk/seal around all fixtures at floor and wall connections.
Commission and test all fixtures for proper operation and leaks.
Chlorinate/disinfect domestic water system if required by code.

5. Specific Exclusions (Clarifications)

Site utilities beyond 5 feet of building line (unless noted otherwise).
Concrete cutting, core drilling, or patching (by Others).
Electrical wiring of pumps or water heaters (Line voltage by Electrician).
HVAC condensate drains (by HVAC contractor).
Roof flashing/jacks (by Roofer).
Bathroom accessories (towel bars, mirrors) installation (unless noted).

Export your Scope

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How to use this scope builder

Building a clear scope of work is essential for successful project coordination. This interactive tool helps you define specific requirements for your plumbing partners in a structured format.

Customize: Fill in the project details and contractor information to brand the document for your business.
Review Inclusions: Browse the standard plumbing requirements and select the items that apply to your current project.
Refine Details: Click any line item to edit the text or add specific manufacturer requirements and model numbers.
Finalize: Export your customized scope as a professional document to include in your contracts or bid packages.

Coordination for Project Success

Plumbing systems are a critical component of every build. Providing a detailed scope ensures that everyone is on the same page from day one, helping to keep the project on schedule and within budget.

This checklist follows industry-standard CSI Division 22 classifications and covers key coordination points such as:

Project responsibilities for site utilities and interior trenching.
Phase-by-phase requirements for rough-in, top-out, and finish trim.
Gas piping distribution and appliance connections.
Clear definitions of owner-supplied vs. contractor-supplied fixtures.

Better communication starts with a better scope. Use this tool to set your project up for success.