MECHANICAL

HVAC

High Side

• Equipment Selections/ Specifications/ Sizing
• Plant/ Equipment room coordinated layouts with two line piping, panels, wiring etc.
• Plant Loop System design
• Equipment Schedule and BOM

Low Side

Air System Design

Heat Load Estimation

• Trane Tracer/ E-20 II HAP method used for commercial buildings/ standard systems
• Low RH areas
• High RH areas
• High Sensible Load Applications
• 100% fresh air systems etc.

Air Distribution System types

• Single zone (constant volume/ single unit)
• Single zone/ multiple terminal units like FCUs, PKC etc.
• Multi-zone, variable volume systems with VAVs
• Once through systems
• Air System Design contd…

Air Distribution System: Duct Design Pressures

• Low Pressure Ducting
• Medium Pressure Ducting
• High Pressure Ducting

Duct Fabrication Standards

• SMACNA
• DW144/ DW143

Air-conditioned Room Pressures

• Normal pressure
• Positive pressure rooms like clean rooms (designed as per FS 209E and ISO 14644 Classification Standards), operation theaters, isolation rooms etc.
• Negative pressure rooms like isolation rooms, vaccination/ viral/ bio-production areas etc.

Air Handling Unit Design/ Configurations

• For Cooling/ Heating/ Humidification/ De-humidification/ Heat recovery
• Single fan/ Two fan systems
• Air Filtration Systems like HEPA filters (0.3/ 0.12 microns), Microvee filters (5/ 3 microns), Pre filters (20 microns) etc.
• Control System P&I and Operation Logic

Air System Design Highlights

• Coordinated ducting layout drawings and AHU room layouts on AutoCAD
• Interference checking on 2D/3D
• Air side pressure drop calculations
• Design/ Drafting software used to prepare layout drawings
• Production Wizard software – an ERP/ BOM processor used to generate Bill of Materials based on G.I. coil width for fabricating the ducts. The software can accept output file from AutoCAD in any format
• Control loops and P&I diagram with logic

Low Side contd…

• Water Piping System Design

Chilled water/ Condenser water/ Hot water/ Dual temperature water systems design

Closed water systems design categories

• Constant flow or Variable flow
• Direct return or Reverse return water systems
• Two pipe or Four pipe water systems for Dual temperature systems

Plant Building Loop combination (primary/ secondary pumping systems)

Plant Distribution Building Loop combination

Specifications/ selection & sizing

• Pumps for Constant volume/ Variable volume pumping systems
• Control valves
• Piping, valves & pipe accessories
• Cooling towers
• Expansion tank/ compression tank (closed expansion tank)

Design of Control Systems for plant building loop and plant distribution building loop combinations

Water Piping System Design Highlights

• Construction/ shop drawing:
• Coordinated equipment/ piping layout drawings with interference check on 2D/3D
• Calculation of water side pressure drop
• Equipment schedules with specifications
• BOM with specifications based on final drawings
• Schematic piping layout drawings
• Control loops and P&I diagrams with logic

MECHANICAL

Fire Protection System (FPS)

• FPS design including smoke exhaust system
• Equipment selection/ sizing & specifications
• Coordinated plant/ equipment room layout with two line piping, pumps etc.
• Wet riser/ dry riser sizing, coordinated layout drawings
• Sprinkler piping selection/ layout drawings
• Smoke exhaust ducting design & coordinated layout drawings
• Design details of fire dampers including sizing/ location & installation details for air distribution systems/ duct layouts
• Operation logic & control systems
• Bill of Materials (BOM)

PLUMBING

Design & engineering of :

• Domestic & Process Water supply systems
• Water Drainage & Sewage systems
• Steam piping
• Gaseous Systems
• Plumbing sizes/ coordinated layout drawings
• Equipment selection/ specifications
• Pressure drop calculations
• Bill of Materials

ELECTRICAL

• Design of Electrical distribution systems (High Voltage/ Low Voltage)
• Electrical load list indicating critical loads and single line diagrams including emergency supply
• Preparation of coordinated electrical drawings
• Preparation of cable layouts for power, control and earthing for HVAC systems, industrial installations, other building services like Fire Protections System, Water Supply System and Lighting
• Interference management with other engineering disciplines, mechanical systems like HVAC, FPS, BMS, false ceiling levels, location and levels of RCC beams etc. while finalizing the layouts
• Design and preparation of layout drawings of cable trays for HV/ LV, power & control cables
• Calculations for sizing, earthing, cabling, lightning protection, indoor & outdoor lighting illumination, DG Sets, UPS, Battery and Battery chargers etc.
• Preparation of specifications, drawings, BOM, data sheets etc. for electrical motors, cables, MCC, DG Sets, UPS, Lighting Systems, Lighting Fixtures, Battery with Battery chargers and accessories
• Design and preparation of layout for Control Systems Communication Systems, Data and Voice Systems, Structured Cabling Systems, networks etc.

Our Service Offerings for MEP Sectors:

Drafting & Detailing

• Coordinated system layout drawings (2D) with interference check (3D)
• Across all phases of the project including Design Development, Construction Drawings, etc.
• Across all engineering disciplines including Mechanical, Fire Protection Systems, Electrical, Instrumentation and Plumbing
• Schematic layouts / loop drawings
• Drawing detailing including
• Sections of critical elevations
• Sizing, locations, installations & support details
• Tag Nos.
• Detailed BOM

Design Development

• Energy efficient system design
• Equipment selection/ sizing and finalization of specifications
• Preparation of construction/ shop drawings in coordination with building structures/ interior layouts & other services
• Equipment schedules
• Bill of Materials for variable materials/ items with specifications

Construction Documentation

• Preparation of RFQ and detailed specifications of plant equipment / materials
• Tender evaluation (if-required) of plant equipment / materials
• Preparation of installation/ commissioning check documents
• Design Qualification
• Installation Qualification
• Operation Qualification
• Performance Qualification

• Preparation of O&M manuals based on spare parts list & Equipment details provided by vendors
• Preparation of as-built drawings based on site modifications