Heavy Mechanical Fabrication, Process Piping & Turnkey Fire Fighting EPC
Precision mechanical engineering for heavy process plants, thermal utilities, and industrial complexes. From ASME-certified structural steel erection and 50 kg/cm² hydro-tested piping networks to TAC-compliant transformer deluge spray (HVWS) and automatic fire pump stations.
Seamless carbon steel, stainless steel process loops, underground ductile iron hydrant rings, and high-velocity water spray deluge networks.
Structural Steel, Heavy Piping & Fire Protection Systems
Integrated mechanical and fire safety engineering built to stringent statutory codes, protecting industrial capital assets and personnel nationwide.
Heavy Structural Steel Fabrication & Site Erection
Precision fabrication and erection of industrial steel structures including 33kV/132kV substation gantries, overhead transmission tower plinths, heavy equipment skids, conveyor galleries, and blast-proof transformer firewall enclosures.
- ✓Fabrication of Substation Gantries, Equipment Plinths & Pipe Racks
- ✓Welders Qualified per ASME Section IX and AWS D1.1 Standards
- ✓Non-Destructive Testing (NDT) - Ultrasonic, Radiography & Dye Penetrant
- ✓Multi-Coat Protective Surface Treatment: Grit Blasting to SA 2.5 & Epoxy PU
Industrial Utility & Process Piping Networks (CS / SS / MS)
Complete fabrication, routing, and erection of high-pressure carbon steel (ASTM A106 Gr. B), stainless steel (SS304/316), and mild steel piping systems for industrial utilities, cooling water headers, steam lines, and chemical slurry transfers.
- ✓High-Pressure Steam, Chilled Water & Compressed Air Distribution Loops
- ✓Chemical Slurry, Acid & Industrial Effluent Resistant Piping Lines
- ✓Hydrostatic Pressure Testing up to 50 kg/cm² with Calibrated Loggers
- ✓Motorized Control Valves, Orifice Plates, Strainers & Flange Insulation
Turnkey Fire Hydrant Systems & Transformer Deluge (HVWS)
Turnkey installation of exterior and interior fire hydrant networks, underground heavy-wall ring mains, landing valves, hose reels, and specialized High Velocity Water Spray (HVWS) deluge protection systems for outdoor oil-filled power transformers.
- ✓Underground & Above-Ground Ring Mains with Landing Valves & Yard Monitors
- ✓Transformer High-Velocity Water Spray (HVWS) Deluge Nozzle Grids per IS 3034
- ✓Quarter-Turn Deluge Valves with Electrical Solenoid & Pneumatic Actuation
- ✓Water Storage Tank Sizing, Sump Suction Headers & Underground Tiling
Automatic Sprinkler Grids & Clean Agent Gas Flooding
Engineered automatic wet-pipe fire sprinkler networks for industrial warehouses, commercial facilities, and clean-agent gaseous fire suppression (FM-200 / Novec 1230 / CO2) engineered specifically for high-value electrical switchgear rooms and server data centers.
- ✓Automatic Ceiling Sprinkler Networks with Quartzoid Bulb Heads (68°C / 79°C)
- ✓Clean Agent FM-200 / Novec 1230 Flooding for HT/LT VCB Switchgear Rooms
- ✓Cross-Zoned Smoke & Heat Optical Detection Interfacing with Trip Relays
- ✓Pre-Action Alarm Check Valves with Micro-Switch Supervisory Alarms
Engineered to Global Fire Safety & Life Protection Standards
Every fire protection network engineered by Manki Engineers complies strictly with National Building Code (NBC Part IV), Tariff Advisory Committee (TAC), and National Fire Protection Association (NFPA) mandates.
Automated Fire Pump House Engineering
Complete skid engineering featuring an Electric Motor Main Fire Pump, Standby Diesel Engine Driven Pump (with automatic battery cranking), and Jockey Pump to continuously maintain line pressure at 7.0 to 8.5 kg/cm².
- ✓Automatic sequential start based on pressure switch gradient drops
- ✓Dedicated diesel day oil tank with fuel level supervisory alarms
- ✓Type-tested fire pump control panel with annunciation & remote telemetry
Power Transformer High Velocity Water Spray (HVWS)
Engineered deluge spray networks surrounding 33kV and outdoor power transformers. Designed to discharge high-velocity conical water curtains over transformer tank surfaces, radiators, and bushings to rapidly extinguish transformer oil fires.
- ✓Fast-opening automatic deluge valves with electric solenoid & manual bypass
- ✓Quartzoid bulb thermal pilot line detector network for instant triggering
- ✓Complete drainage soak pit integration and oil separator bay design
Clean Agent Gaseous Flooding (FM-200 / Novec 1230)
Non-conductive, zero-residue gas flooding systems designed specifically for electrical control rooms, 11kV VCB switchgear rooms, and server facilities where water discharge would cause catastrophic electrical damage.
- ✓Total flooding discharge completed in under 10 seconds per NFPA 2001
- ✓Cross-zoned optical smoke and ionization detection prevents false releases
- ✓Zero ozone depletion potential (ODP) and safe for occupied technical rooms
Hydraulic Calculation & Statutory Clearances
Comprehensive engineering documentation and hydraulic calculation schedules submitted to State Fire Advisory Authorities and insurance underwriters to guarantee statutory compliance and premium rebates.
- ✓Hazen-Williams friction loss and water demand flow calculations
- ✓Underground hydrant ring isolation valves ensuring zero shutdown zones
- ✓Complete submission files for Local Fire Department No-Objection Certificates (NOC)
Featured Mechanical Fabrication & Fire Protection Projects
Industrial manufacturing units, chemical complexes, and power substations rely on Manki Engineers for robust mechanical delivery.
Chemical Process Piping, SS Vessel Skids & Hydrant Expansion
Fabrication and installation of acid-resistant stainless steel (SS316) process piping lines, raw material reaction vessel steel supports, and complete yard fire hydrant ring extension.
- ✓100% radiographic weld inspection passed with zero weld defects
- ✓Hydrostatic pressure testing sustained at 35 kg/cm² for 4 hours
- ✓Statutory PESO / Factory Inspectorate approval achieved without revision
Heavy Cooling Water Headers, Pump Manifolds & Structural Pipe Racks
Routing and erection of heavy-wall carbon steel cooling water supply headers, pump manifold skids, and high-elevation pipe bridge crossings over operating plant road corridors.
- ✓Erected over 150 MT of overhead structural pipe racks with zero downtime to plant traffic
- ✓Flange torque audits and pneumatic leak tests verified prior to commissioning
- ✓Commissioned within tight planned annual shutdown window
33kV Power Transformer HVWS Deluge System & Automated Pump House
Turnkey installation of High Velocity Water Spray (HVWS) deluge nozzle rings for 10MVA power transformers, automated electric + diesel fire pump room, and TAC compliant yard hydrant network.
- ✓Deluge trip release executed within 12 seconds of pilot thermal line trigger
- ✓Complete pump house auto-cranking sequence successfully verified under live tests
- ✓Full TAC insurance compliance certification granted to client facility
Planning Industrial Piping, Structural Steel Erection, or a Turnkey Fire Protection System?
Partner with Manki Engineers for end-to-end engineering, ASME qualified fabrication, hydrostatic pressure testing, and statutory TAC/NFPA life safety certifications.