Ski-Resort-Infrastructure

Ski Resort/Mountain Community Infrastructure Engineering

AQUA Engineering is a full-service engineering firm providing ski resort infrastructure services across multiple industries and client types. With offices in Utah, Colorado, and Oregon, AQUA has developed sustained technical depth in ski resort and mountain community infrastructure:

High elevation systems,
Constrained construction seasons,
Active ski terrain,
Mixed ownership frameworks,
Multi-agency regulatory environments

Resort operators and mountain community utilities engage AQUA as a long-term engineering partner. The same engineering team that planned a system designs it, supports its construction, and provides ongoing engineering as the resort grows. This continuity across phases is a core feature of how AQUA operates.

Water Infrastructure

AQUA provides the full range of water engineering services for ski resort and mountain community systems, from initial source evaluation and master planning through detailed design of every facility type. Work spans simple pipeline replacements and fire flow improvements to complex multi-zone systems serving development across large elevation differentials.

Water systems in mountain resort settings require design approaches not typical of standard utility practice: extreme static pressure conditions, isolated source supplies with limited redundancy, highly variable seasonal demands, and strict drinking water regulatory requirements applied to non-standard infrastructure configurations. AQUA's design practice addresses these conditions as baseline requirements.

Capabilities Include:

Planning and Analysis

System master planning and long-range capital improvement programs
Water supply evaluation and source alternatives analysis
Demand analysis: residential, commercial, seasonal peak, and fire flow requirements
Hydraulic modeling: pressure zone performance, storage sizing, distribution system analysis, fire flow
Transient and surge modeling for high-head systems and long transmission pipelines
Drinking water source protection planning
GIS-based system mapping and asset management
Impact fee analysis and user rate studies

Source Development and Treatment

Spring collection system design, rehabilitation, and water quality improvement
Groundwater well development: source testing, yield evaluation, and state drinking water submittals
Surface water intake design
Treatment facility planning and design: filtration, disinfection, sodium hypochlorite generation, and membrane treatment
Source permitting coordination with state drinking water authorities

Storage

Water storage tank design: concrete, steel, and welded steel in all sizes
Open reservoir design: earthen embankment, lined, and combined storage and surge configurations
Valve vault and combined control building design
Level monitoring, telemetry, and controls integration

Pumping and Pressure Management

Pump station design in all configurations: horizontal split-case, vertical turbine, submersible, and packaged systems
High-head pump station design for extreme static pressure applications, including equipment sourced from industrial applications and adapted to potable water standards
Pressure reducing valve system design and pressure zone management

Pipelines and Distribution

Transmission pipeline design: ductile iron, welded steel, HDPE, PVC, and epoxy-coated steel
Distribution system design, replacement, and upsizing
Pipeline looping and redundancy improvements
Fire hydrant extension and fire flow improvement design
Corridor routing, plan and profile design, and utility coordination

Wastewater Infrastructure

AQUA provides the full range of wastewater engineering services for resort development and mountain community utilities, from system-wide master planning through construction of individual facility components. Mountain resort wastewater systems present seasonal loading patterns, treatment technology constraints driven by high-altitude cold-weather operation, and effluent disposal limitations that require careful planning and coordination with state environmental agencies.

Capabilities Include:

Planning and Analysis

Collection system master planning and long-range capital improvement programs
Hydraulic modeling of collection systems
System capacity analysis under existing and future buildout conditions
Treatment technology evaluation: lagoon systems, mechanical treatment, extended aeration, MBR, and all technology types
Effluent disposal evaluation: land application, reclaimed water reuse, and irrigation
Winter storage sizing and effluent management for seasonally constrained high-altitude sites
Wastewater treatment preliminary engineering reports for regulatory submittal
Impact fee analysis and user rate studies

Collection Systems

Gravity sewer pipeline design, replacement, and upsizing in all pipe materials
Pipeline rehabilitation: UV-cured and steam-cured CIPP lining, epoxy and polyurea coatings
High-elevation trunk sewer design through active ski terrain, including long continuous alignments in constrained corridors
Force main and lift station design
Manhole design and rehabilitation
Pressurized cleanout systems and pipeline flow monitoring
Bidding and procurement coordination for collection system rehabilitation

Treatment and Reuse

Treatment facility planning and design for all technology types
Reclaimed water distribution system design
Water rights coordination for reclaimed water reuse applications
Coordination with state environmental agencies, water rights authorities, and county health departments

Snowmaking Supply Infrastructure

AQUA designs the primary snowmaking supply infrastructure that delivers raw water from source and storage to resort snowmaking systems: the reservoirs, pump stations, and transmission pipelines that sit upstream of the distribution network. This work requires engineering capabilities outside the range of standard civil practice. High-head hydraulic analysis, transient and surge design, large-scale pumping systems configured for seasonal mountain operation, and dam safety engineering are not incidental services on these projects. They define them.

AQUA works alongside snowmaking system designers and equipment vendors throughout design and construction. Primary supply infrastructure is sized, configured, and built to support operational requirements. System integration, vendor coordination, and constructability in active resort terrain are part of the design process, not afterthoughts addressed during construction.

Capabilities Include:

Reservoirs and Dam Safety Engineering

Snowmaking reservoirs are commonly dam-regulated structures subject to state dam safety permitting requirements. AQUA manages the full engineering and regulatory process for new reservoir construction, existing reservoir modifications, and rehabilitation of aging reservoir infrastructure. Hydrologic and hydraulic analysis, embankment design, outlet structure design, and dam safety compliance documentation are handled in-house. Embankment work requires full-time on-site engineering observation and documentation that is separate from general construction oversight and is required for state regulatory closeout.

New snowmaking reservoir design and existing reservoir expansion
Reservoir rehabilitation: underdrain system installation, liner repair and replacement, outlet structure improvements
Dam safety permitting across all hazard classifications: low, medium, and high
Dam safety compliance documentation: Emergency Action Plan, Standard Operating Plan, Initial Filling Plan
Hydrologic and hydraulic analysis: inflow design flood routing, wave runup, and freeboard justification
Construction observation and engineer's completion certification for regulatory closeout

Primary Supply Pump Stations

Primary snowmaking pump stations operate under demanding conditions: high discharge pressures, large flow rates, seasonal operating cycles with extended idle periods, and tight integration with compressed air systems. Station design is developed in direct coordination with snowmaking equipment vendors on pump selection, packaged system interfaces, and equipment installation requirements. Structural design for cast-in-place concrete and prefabricated building configurations is handled in-house.

High-capacity, high-head pump station design with multiple vertical turbine pumps and integrated air compressor systems
Upper mountain pump stations for conveying water from primary storage to high-elevation distribution points
Structural design: cast-in-place concrete and prefabricated building configurations
Mechanical piping design: suction, discharge, manifold, and appurtenance layout
Integration with potable water systems with state drinking water-compliant backflow prevention
Vendor coordination on packaged pump systems and equipment installation requirements

Transmission Pipelines and Hydraulic Analysis

Large-diameter raw water transmission pipelines in snowmaking systems regularly operate under static pressures that exceed the rated range of standard utility pipe materials. Welded steel and other high-pressure rated materials are common requirements rather than exceptions. Transient and surge conditions in high-head systems with large pump stations can be severe: surge analysis and mitigation design are integral to every primary supply system. Hydraulic modeling is performed for all primary supply system designs to verify pressure zones, flow distribution, and operating conditions across the range of snowmaking demands.

Raw water transmission pipeline design for high-pressure, large-diameter applications in all applicable materials
Hydraulic modeling: pressure zones, flow distribution, and system operating conditions
Transient and surge analysis with surge mitigation design
Cathodic protection coordination for buried metallic pipelines
Fiber-optic communication integration for real-time facility monitoring

Project Delivery

AQUA supports the full infrastructure project lifecycle. The same team carries a project from master plan through design, permitting, construction, and into long-term operations support. In phased resort development, this continuity means that infrastructure decisions made in early phases are understood in context when later phases are designed, eliminating interpretation errors and redesign costs that occur when new consultants start mid-program.

Capabilities Include:

Planning and Preliminary Engineering

AQUA's planning work is structured to produce actionable decisions. Master plans and preliminary engineering reports define the infrastructure investment required to support development objectives, identify constraints and risks, sequence capital improvements across phases, and establish the technical basis for regulatory submittals. Deliverables are designed to be directly usable by resort ownership, development teams, and financing parties.

System master planning and long-range capital improvement programs
Alternatives analysis and feasibility studies
Preliminary engineering reports and basis of design
System capacity analysis and deficiency identification
Capital improvement program development with cost projections and phasing schedules
Impact fee analysis and user rate studies

Design

Design services are structured to support both owner review and regulatory submittal. Phased submittals at 60, 90, and 100 percent completion allow resort ownership and regulatory agencies to review and comment before final document production. Construction documents are produced for competitive bidding and include technical specifications covering materials, installation requirements, and testing procedures appropriate to the facility type.

Phased submittals at 60, 90, and 100 percent for owner and regulatory review
Construction drawings and specifications for competitive bidding and construction
Coordination with architects, civil consultants, ski area planners, and resort development teams in active ski terrain

Permitting and Regulatory Coordination

State drinking water authority: source permitting, safe yield determinations, operating permits, and new system approvals
State environmental agency: wastewater treatment permitting and effluent disposal approvals
Dam safety authority: new permits, modification permits, hazard reclassification, and ongoing compliance
Right-of-way and corridor: DOT encroachment permits and highway utility license agreements
Environmental review: NEPA coordination, agency submittals, and permitting support
Water rights: administrative coordination for appropriations, exchanges, and transfers

Bidding and Procurement

Construction document final quality review and advertisement coordination for public procurement
Pre-bid meeting facilitation and addendum preparation
Bid evaluation, contractor reference verification, and recommendation
Contract execution support and preconstruction coordination

Construction Services

AQUA provides construction-phase engineering services scaled to project requirements. Full-time or part-time resident project representation is available depending on project complexity and owner preferences. For dam construction, full-time on-site observation and regulatory documentation are provided as a required component of dam safety compliance, separately from general construction oversight.

Full-time or part-time resident project representation
Shop drawing and submittal review
RFI response and design clarification
Pay application review and change order negotiation
Full-time dam safety construction observation and engineer's completion certification
Construction record keeping and as-built documentation

Startup, Commissioning, and Long-Term EOR Support

AQUA's involvement does not end at project closeout. System startup and commissioning support is provided through AES, and controls and SCADA verification is coordinated through SKM Engineering. Ongoing EOR engagement covers system modifications, expansion planning, emergency support, and long-term regulatory compliance as resort development continues.

System startup planning and commissioning coordination with AES
Controls and SCADA verification coordination with SKM Engineering
Operations and maintenance manual preparation and operator training
Ongoing EOR services: system modifications, expansion design, and regulatory compliance
Emergency engineering response