Integrated Construction Services
One plan, one model, one accountable team connecting procurement, field execution, safety, quality and closeout.
Explore discipline →Kathetus Design | Build
Engineered by principle.Built for enduring performance.
An architectural, engineering and design-build identity for clients who value proportion, intelligence, craft and accountable delivery. Kathetus brings together preconstruction, construction management, safety, quality, environmental response, specialty trades, technical inspections and closeout under one coordinated delivery system.
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Engineered by PrincipleGeometry guides execution
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Built on IntegrityTransparent field control
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Designed with IntentEvery decision has purpose
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Constructed for GenerationsDurable outcomes
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Safety. Quality. Accountability.Documented proof
The Kathetus operating model
The cathetus is the structural leg that makes the whole geometry work. Kathetus is built to play the same role on complex projects: a grounded, accountable line between design intent and field reality.
We coordinate the people, information, controls and specialty services that determine whether a project stays safe, buildable, documented and ready for turnover. Our role may be prime contractor, subcontractor, supplier, safety-management provider, construction-management partner or specialty trade coordinator.
Where a contractor license, engineering seal, environmental authorization, certified welder qualification, accredited cleanroom certification or other specialty credential is required, that portion is performed or approved through appropriately licensed and qualified partners.
Kathetus in the field
A construction identity built for equipment, PPE and permanent signage.
The truck and hard-hat applications lead the field presentation, followed by architectural signage, perimeter branding and material applications. This keeps the top hero focused on high-rise construction while proving the brand lower on the homepage.
Approach
Expertise visible before the first shovel.
Every discipline contributes during planning—not after problems surface. Our approach links scope, budget, schedule, safety, quality, technology, building performance and closeout from the beginning.
Preconstruction
Conceptual estimating, constructability, logistics, phasing, bid packaging, long-lead planning and value analysis.
Explore discipline →Lean Construction
Last Planner thinking, pull planning, reliable commitments, constraint removal and production visibility.
Explore discipline →VDC + BIM
Model-based coordination, clash review, laser-scanning support, visual planning and progress documentation.
Explore discipline →MEP Coordination
Existing-systems review, systems analysis, estimating, trade coordination, startup and O&M support.
Explore discipline →Safety Management
CHST-supported planning, AHAs/JHAs, field inspections, corrective actions, emergency planning and reporting.
Explore discipline →Quality Management
Design review, installation planning, inspection readiness, deficiency tracking and turnover verification.
Explore discipline →High Performance
Energy-code verification, life-cycle thinking, envelope performance, ventilation and occupant-focused outcomes.
Explore discipline →Environmental Technologies
Hazard recognition, containment, remediation coordination, IAQ, regulated waste and documentation.
Explore discipline →Self-Perform + Specialty
Concrete support, metals coordination, firestopping, cleaning, field protection and specialty delivery.
Explore discipline →Master capability menu
Construction, technical and specialty scopes.
A buyer-facing structure built from the prior Mar Organica Construction scope, expanded into a Kathetus system organized around CSI divisions, project phases, risk controls and required deliverables.
Divisions 00–01
Procurement + General Requirements
- Public-works bid preparation
- Prequalification and scope review
- Subcontractor solicitation and bid leveling
- Schedule of values and contract administration
- Mobilization, logistics and look-ahead planning
- Submittals, RFIs, changes, daily reports and closeout
Safety
Construction Safety Management
- Site-specific safety and health plans
- AHAs, JHAs and pre-task planning
- Daily inspections and corrective-action tracking
- Fall, excavation, scaffold and aerial-lift oversight
- Silica, heat, hot-work and emergency controls
- Owner and GC reporting
Division 02
Existing Conditions + Environmental
- Existing-condition documentation
- Selective demolition and contaminated-material removal
- Biohazard, sharps and BBP controls
- Containment, decontamination and regulated waste
- Emergency spill and contamination response
- 40-hour HAZWOPER-supported operations
Division 03
Concrete + Civil Flatwork
- Demolition, subgrade and base preparation
- Formwork, embeds, sleeves and anchors
- Footings, slabs, pads, sidewalks, curbs and ramps
- Placement, finishing, curing and protection
- Patching, crack/spall repair, grinding and profiling
- Testing and inspection coordination
Division 05
Reinforcing Steel + Metals
- Rebar takeoffs, bar lists and bending schedules
- Splice, coupler, cover and congestion coordination
- Accessories, chairs, supports and sequenced delivery
- Domestic-source and Buy America documentation
- Supports, frames, rails, guards and platforms
- Welding and NDE documentation coordination
Division 07
Firestopping + Building Envelope
- Through-penetration firestop systems
- Joints, head-of-wall and perimeter containment
- Listed-system matching and labeling
- Inspection readiness and deficiency repair
- Air sealing and envelope leakage review
- Blower-door testing and corrective verification
Divisions 09–12
Finishes + Turnover Cleaning
- Surface preparation and protection
- Construction cleaning and final turnover
- Pressure washing and contamination treatment
- Occupied-facility housekeeping controls
- Low-lint precision cleaning
- Punch-list and room-by-room completion records
Division 21
Fire Suppression Coordination
- Penetration and firestop interfaces
- Hot-work and fire-watch controls
- Inspection and access coordination
- Closeout and system-document support
- Qualified C-16 / fire-protection partner coordination where required
Division 22
Plumbing + Water Systems Support
- Fixture and equipment coordination
- Piping support and penetration interfaces
- Water-heater and DHW coordination
- Startup, O&M and owner-training support
- Leak and deficiency documentation
- Licensed plumbing partner coordination where required
Division 23
HVAC + Refrigerant Services
- EPA 608 inspection support
- Refrigerant charge and installation-condition verification
- Airflow, static pressure and ventilation diagnostics
- Controls and thermostat verification
- TAB and commissioning coordination
- Licensed C-20 partner routing where required
Division 26
Electrical + Energy Interfaces
- Electrical scope and trade coordination
- Equipment, controls and power interfaces
- EV-charging support and procurement coordination
- Temporary power and generator planning
- Testing, labeling and closeout documentation
- Qualified electrical partner coordination where required
Divisions 27–28
Technology + Security Interfaces
- Low-voltage and communications coordination
- Security, access and device interfaces
- Penetration/firestop coordination
- Pathway and support coordination
- Testing and closeout records
Divisions 31–33
Earthwork + Utilities + Paving
- Excavation and trenching safety coordination
- Site logistics and temporary controls
- Underground utility interfaces
- Paving, curbs, gutters and accessible routes
- Stormwater/BMP support
- Testing and inspection coordination
Divisions 40–46
Industrial + Process Support
- Process-equipment interfaces
- Material-handling and support systems
- Piping, supports and specialty procurement
- Waste and water-treatment interfaces
- Fabrication and installation coordination
- Commissioning and closeout support
Energy Code
ECC / HERS Verification
- Duct leakage and blower-door testing
- Airflow, fan efficacy and static pressure
- Ventilation and exhaust verification
- Refrigerant charge and heat-pump support
- CF-3R documentation, deficiency reports and retesting
Controlled Environments
Cleanroom + IAQ Services
- Rough, intermediate, final and precision cleaning
- HEPA vacuuming and low-lint wipe-down
- Gowning and controlled-entry procedures
- Particle, pressure and HEPA testing coordination
- Corrective cleaning and retesting support
Mechanical, energy, IAQ + controlled environments
Prominent, technical and fully documented.
These services are not buried inside a generic MEP page. Each is structured around triggering conditions, field workflow, equipment, safety controls, deliverables, deficiencies, retesting and qualified-partner boundaries.
Service 01
ECC / HERS Field Verification
Duct leakage, whole-building air leakage, airflow, fan efficacy, static pressure, ventilation, exhaust, refrigerant-charge and heat-pump verification support.
- CF-3R support
- Deficiency reports
- Retesting and closeout
Service 02
EPA 608 HVAC + Refrigerant Inspections
Equipment and installation-condition inspections, charge verification support, leak-identification coordination, A2L awareness and startup documentation.
- Photo reports
- Cylinder and recovery coordination where authorized
- C-20 partner routing where required
Service 03
HVAC Diagnostics + Commissioning
Airflow, static pressure, fan and ventilation performance, controls, thermostat verification, TAB coordination and corrective-action verification.
- O&M documentation
- Owner training support
- Commissioning readiness
Service 04
Air-Duct Cleaning + IAQ
Supply and return duct cleaning, registers, grilles, diffusers, accessible components, HEPA source capture and negative-air control.
- Post-construction debris removal
- Before/after documentation
- NADCA-aligned procedures
Service 05
Cleanroom + Controlled-Environment Cleaning
Construction cleaning through precision final cleaning for laboratories, healthcare, life sciences, electronics and other controlled spaces.
- HEPA vacuuming
- Low-lint wipe-down
- Room-by-room turnover records
Service 06
Cleanroom Certification Readiness
Pre-certification inspection, particle-count, pressure-differential, airflow and HEPA integrity testing coordination, corrective cleaning and retesting.
- ISO 14644 readiness
- Accredited specialist coordination
- Turnover binder preparation
Scope boundary: Kathetus provides inspection, verification, cleaning, coordination and documentation where authorized. HVAC installation or repair, refrigerant-circuit work, TAB, sealed design and independent cleanroom certification are routed through appropriately licensed, certified or accredited personnel when required.
Markets
Built around operating conditions.
Market pages are framed around the client’s real constraints: public interfaces, occupied operations, schedule windows, contamination control, compliance, logistics, quality, documentation and turnover.
Government + Public Works
Public procurement, labor compliance, occupied-facility controls, daily documentation, task-order delivery and closeout.
K–12 Education
Student/staff separation, pedestrian routing, phased work, dust/noise controls, daily reporting and accelerated schedules.
Higher Education
Campus logistics, laboratories, PLA and inclusion requirements, renovations, additions and asset documentation.
Healthcare + Life Sciences
Sensitive operations, infection-control awareness, clean turnover, MEP coordination and controlled environments.
Commercial + High-Rise
Complex logistics, vertical transportation, façade and MEP interfaces, safety, production planning and turnover.
Civic + Municipal
High-traffic public facilities, accessibility improvements, public counters, occupied work and agency documentation.
Industrial + Manufacturing
Process interfaces, shutdown coordination, material handling, specialty supports and commissioning readiness.
Data Centers + Cleanrooms
Precision cleaning, contamination control, MEP coordination, high-performance and certification readiness.
Facilities + On-Call Response
Emergency response, specialty cleaning, biohazard, environmental, maintenance support and documented closeout.
Project lifecycle
Continuity from discovery to closeout.
Project leadership remains the single point of contact while specialists scale in and out according to the project’s needs.
01
Discover
Owner goals, site conditions, procurement path and risk profile.
02
Plan
Budget, schedule, logistics, safety, quality and inclusion strategy.
03
Coordinate
Trade scopes, models, submittals, long-lead items and field constraints.
04
Build
Production control, inspections, documentation and corrective actions.
05
Commission
Startup, testing, training, cleaning and certification readiness.
06
Close
Punch list, O&M, warranties, records and verified turnover.
Brand in the field
Foil, stone, steel, equipment and PPE.
The identity is designed to hold its authority at every scale—from a hard hat and truck door to perimeter fencing, cast concrete, brushed metal, site signage and a permanent architectural monument.
Fleet ApplicationBranded Hard HatArchitectural SignageSite Fencing
Gold Foil
Blind EmbossBrass Plate
Carved StoneA measured architectural presence.
Option A communicates precision, principle and timeless proportion for design-build and engineering-led work.
Safety Management
Do the safe thing—then document it.
Safety leadership is integrated into planning, procurement, logistics and production. The system includes site-specific planning, orientations, daily inspections, AHAs/JHAs, permits, corrective actions, incident response and owner reporting.
- Fall, excavation, scaffold and aerial-lift oversight
- Silica, heat illness, hot-work and equipment controls
- Emergency planning and incident investigation
- Subcontractor accountability and stop-work authority
Quality Management
Build it right. Prove it at turnover.
Quality starts before installation. We review design intent, plan hold points, verify substrates and interfaces, coordinate inspections, track deficiencies and build the completion record as work progresses.
- Submittal and shop-drawing coordination
- Pre-installation planning and inspection readiness
- Deficiency identification and corrective verification
- Punch list, O&M, warranties and turnover indexing
Compliance-grade proof
Stabilize. Coordinate. Document. Close the loop.
Daily field reportsProduction, manpower, safety, deliveries, visitors and impacts.
Photographic documentationBefore, during, deficiency, corrective action and completed condition.
Safety recordsOrientations, AHAs/JHAs, inspections, permits and corrective actions.
Quality recordsSubmittal checks, hold points, inspection readiness and deficiency closure.
Environmental recordsWaste characterization, manifests, disposal coordination and response logs.
Closeout packageO&M manuals, training records, warranties, testing and turnover index.
Small-business participationCertified MBE / SBE / LSBE participation and supplier-diversity coordination.
Scope boundariesLicensed, sealed or accredited work routed through qualified partners.
Media hub
Technical intelligence for decision-makers.
Buyer-facing content should explain risks, methods, scope boundaries and deliverables—not merely announce company news.
Field Systems
The intersection of safety, quality and productivity
How integrated planning reduces rework while improving field control.
Read the brief →Technical Brief
Energy-code verification without late-stage surprises
A field-first roadmap for ECC, HVAC diagnostics and corrective testing.
Read the brief →Controlled Environments
Cleanroom turnover is a construction process
Why sequencing, contamination control and documentation must begin before final clean.
Read the brief →Complex work deserves one coordinated team.
Kathetus can be presented as a prime, subcontractor, supplier, safety-management provider, construction-management partner or specialty coordinator—supported by qualified trade and technical partners where the scope requires them.