PLUMBING SERVICES
Plumbing Construction
Documents
Permit-ready plumbing drawing sets — schedules, riser diagrams, and sheet production built to your
firm’s standards.
Our Founding and Mission
Introduction
The construction document phase is where every prior plumbing design decision — fixture layout, pipe sizing, riser configuration, and specialty system design — comes together into a coordinated, permit-ready drawing set. NexMEP Global LLC supports U.S. MEP consulting firms with plumbing construction document production, assembling sheets, schedules, and riser diagrams from the design your engineering team has developed and approved through earlier phases.
Unlike the discipline-specific design work covered on our other plumbing service pages, this stage is about assembly, cross-checking, and finishing: taking approved domestic water, sanitary, storm, and gas system layouts and turning them into a sheet set that reads clearly, submits cleanly, and stands up to a plan reviewer’s scrutiny.
DESIGN ACCURACY & COMPLIANCE
Why This Service Matters
Plumbing construction document production is detail-intensive work: fixture schedules must match plans exactly, riser diagrams must reflect the actual routing shown on the floor plans, and sheet sets must be internally consistent from cover sheet to the last detail. Because plumbing sets typically include separate riser diagrams for multiple systems — domestic water, sanitary and vent, storm, and gas — keeping every riser consistent with its corresponding floor plan is a substantial cross-checking task.
Because this phase often falls at the busiest point in a project schedule, production support here has an outsized effect on keeping a project on track for permit submission, freeing your engineers to focus on final design review rather than sheet assembly and cross-checking. Plumbing sets are also frequently the first discipline a plan reviewer checks for basic completeness, since fixture counts and riser diagrams are relatively easy to verify against the architectural plumbing fixture count, making early accuracy especially valuable.
Our Capabilities
Complete Sheet Assembly
Assembling system floor plans, riser diagrams, schedules, and detail sheets per your firm's standards.
Plan & Riser Reconciliation
Cross-checking each riser diagram against its corresponding floor plan prior to engineering review.
Custom Equipment Details
Project-specific details for fixture rough-ins, water heaters, backflow preventers, and roof drains.
Standardized Formatting
Strict adherence to your firm's title blocks, sheet numbering, and drafting conventions.
Interdependent Riser Sequencing
Sequencing riser designs for shared shafts, such as domestic water and fire standpipes.
Permit Package Prep
Compiling review-ready drawing sets and calculation backup documentation for submittal.
Calculations
Engineering Calculations
Calculation methodology built for accurate, traceable HVAC equipment sizing.
Calculation Value Verification
Final verification ensuring pipe sizes, fixture unit totals, and gas loads on schedules match approved engineering packages.
Permit Backup Compilation
Assembling and compiling calculation backup documentation formatted to specific jurisdiction submittal rules.
Calculations
Systems We Support
Ventilation-related calculation support includes outdoor air rate compilation.
Domestic Water Systems
Cold, hot, and recirculation supply networks and riser schematics.
Sanitary & Vent
Soil, waste, and vent stack designs synchronized with floor plan layouts.
Storm Drainage
Primary and overflow roof drainage leaders and building drain layouts.
Natural Gas Piping
Fuel gas distribution systems, appliance drops, and meter set configurations.
Specialty Medical Gas
Med gas piping, zone valve boxes, and clinical system details.
Fast-Track Bid Packages
Phased sheet production enabling early releases for below-slab packages.
Our document production capabilities cover all plumbing and gas disciplines, maintaining total alignment across floor plans, risers, and project specifications.
Calculations
Software, Workflow & Coordination
Rigorous backup calculations formatted directly for permit submission and QA/QC documentation.
Software & Production Workflow
Drawing sets are produced in Revit and AutoCAD MEP using your firm’s established templates. Workflow features structured internal milestone checkpoints aligned with your submittal schedule, paired with a shared status log tracking open details and schedules.
Revit & AutoCAD Coordination
Comprehensive Navisworks clash detection is executed across all disciplines before submittal. We verify model view accuracy, complete all annotations and dimensions, and perform strict cross-reference audits to ensure every fixture and invert elevation matches between plans and risers.
Calculations
Systems We Support
Expertise across diverse equipment lines, hybrid configurations, and complex Electrical setups.
Permit Drawing Sets
Fixture & Equipment Schedules
Clash & Coordination Logs
QA/QC Checklists
Need Permit-Ready Plumbing Drawing Sets?
Partner with NexMEP Global LLC to assemble fully coordinated, clash-free plumbing construction documents.
Our Core Philosophy
Typical Project Types
Commercial & Office
Corporate offices, commercial developments, and retail properties.
Multi-Family & Residential
High-rise residential towers, apartment complexes, and mixed-use sites.
Education & Healthcare
K-12 facilities, university buildings, hospitals, and outpatient clinics.
Fast-Track & Resubmissions
Multi-package bid sets and resubmission packages with comment tracking.
Calculations
QA/QC Process
A rigorous, multi-tiered review structure ensuring accurate, clear, and error-free submittals.
Schedule & Riser Reconciliation
Multi-level checks reconciling schedule-to-plan and riser-to-plan numerical and visual alignment.
Interdisciplinary Clash Audits
Rigorous coordination reviews confirming complete clash resolution across all MEP and architectural elements.
Resubmission Comment Tracking
Individual comment-by-comment tracking for permit resubmissions ensuring all plan review items are resolved.
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.