PLUMBING SERVICES
Domestic Water Systems
Water supply, distribution, and fixture connection production support built on your engineer’s design basis and
fixture count.
Our Founding and Mission
Introduction
NexMEP Global LLC provides domestic water system production support to U.S. MEP consulting firms working across commercial, residential, multifamily, healthcare, hospitality, industrial, institutional, and mixed-use projects. Our team functions as an extension of your engineering staff, carrying water service, distribution piping, and fixture connection layouts from concept through construction documents while your licensed engineers retain full design authority and stamp responsibility. We work inside your Revit and AutoCAD standards, your pipe sizing methodology, and your review process, so the output reads as if it came from your own production floor.
This is production capacity, not outsourced design. Every riser diagram, fixture connection, and pipe sizing calculation we produce is built to be reviewed, redlined, and stamped by your engineer of record. Your firm determines water service size, distribution strategy, and fixture requirements; our role is to carry that design intent through detailed modeling and construction documentation at the pace your project requires.
DESIGN ACCURACY & COMPLIANCE
Why This Service Matters
Domestic water systems must deliver adequate pressure and flow to every fixture in a building simultaneously, and the piping network required to do so competes for the same ceiling, wall, and shaft space as every other trade. A distribution layout that is not carefully sized and coordinated early creates pressure complaints, water hammer, and field conflicts that are difficult to resolve after walls and ceilings are closed in.
Firms that lack the internal bandwidth to carry detailed pipe sizing and routing through multiple design phases face a difficult choice: slow down other active projects or push deadlines and absorb the client relationship risk that comes with missed milestones. Production support closes that gap without asking your firm to compromise on technical oversight, keeping fixture counts, pipe sizing, and riser diagrams synchronized throughout the design process.
Our Capabilities
Water Service & Meter Entry
Service entry coordination, meter layouts, and backflow prevention assembly design.
Distribution & Recirculation
Hot and cold water distribution routing, recirculation loops, and branch layout.
Fixture Schedules & Demand
Fixture schedule management tracking unit demand, connection types, and revisions.
Water Heating Equipment
Water heater room layouts, mixing valve details, and recirculation pump integration.
Multi-Zone Pressure Control
Pressure-reducing valve (PRV) assemblies and multi-zone distribution layouts.
Schematic to CD Production
Full design development from early riser schematics to permit-ready CD packages.
Calculations
Engineering Calculations
Calculation methodology built for accurate, traceable HVAC equipment sizing.
Pipe Sizing & Pressure Drop
Pipe sizing based on Hunter’s curve fixture unit methodology and critical path water pressure loss calculations.
Heater Sizing & Pressure Zones
Water heater recovery and fixture demand sizing verification, plus multi-zone pressure summaries.
Calculations
Systems We Support
Ventilation-related calculation support includes outdoor air rate compilation.
Single & Multi-Zone Systems
Low-rise through high-rise pressure distribution systems.
Pumped & Gravity Distribution
Gravity-fed, booster-pumped, and hydro-pneumatic setups.
Water Heating Configurations
Centralized plant and localized point-of-use water heating.
Approved Piping Materials
Copper, PEX, CPVC, and approved metallic/plastic piping options.
Recirculation & Scald Protection
Constant temperature recirculation loops and master mixing valves.
High-Rise & Healthcare Systems
Multi-zone piping coordinated with fire risers and code rules.
Our production capabilities support diverse domestic water infrastructure, ensuring robust pressure delivery and scald protection across simple commercial layouts to complex multi-story facilities.
Calculations
Software, Workflow & Coordination
Rigorous backup calculations formatted directly for permit submission and QA/QC documentation.
Software & Production Workflow
Production is carried out in Autodesk Revit and AutoCAD MEP using your firm’s BIM standards and cloud environments (BIM 360/ACC). Workflow follows structured phase checkpoints backed by an active model log to keep pipe sizing consistent across design iterations.
Revit & AutoCAD Coordination
Domestic water lines are modeled for trade clearances against structural framing, mechanical ducts, and electrical elements using Navisworks clash passes. We strictly enforce code-required physical separation between water, sanitary, storm, and electrical equipment.
Calculations
Systems We Support
Expertise across diverse equipment lines, hybrid configurations, and complex Electrical setups.
Revit Models & CAD Plans
Riser Diagrams
Equipment & Fixture Schedules
Pipe Sizing Backup
Need Scalable Domestic Water Production Support?
Partner with NexMEP Global LLC for clash-free BIM modeling, riser diagrams, and calculation packages.
Our Core Philosophy
Typical Project Types
Commercial & Office
Corporate offices, retail developments, and commercial buildings.
Education & Healthcare
K-12 facilities, university buildings, hospitals, and outpatient clinics.
Multi-Family & Hospitality
Apartment towers, condominium developments, and hotels.
Industrial & Warehouse
Light industrial sites, distribution centers, and tenant improvements.
Calculations
QA/QC Process
A rigorous, multi-tiered review structure ensuring accurate, clear, and error-free submittals.
Fixture Count Verification
Reconciling floor plan fixture counts against riser schematics and schedule totals.
Clearance & Routing Audits
Auditing pipe routing against structural elements and code-minimum separation rules.
Arithmetic & Riser Checks
Independent verification confirming climate zone, code edition, and address parameters match the site.
Why NexMEP Global LLC?
NexMEP Global LLC brings a dedicated production team with practical experience across standard and specialty ventilation systems, a consistent U.S. code and standards focus, and a multi-level QA/QC process that reduces rework during your engineer’s review cycle.