Introduction:

Holtec specializes in all types of fossil fuels based captive power plants  covering:

• Steam, gas turbine and combined cycle power plants.
• Coal fired power plants.
• Diesel engine power plants.
• Gas engine power plants.

Holtec has vast experience and expertise in the design of Power plants sector covering multitudes of  fossil fuels such as Coal, Lignite, Pet coke Gas , heavy & light oils, crude oils, diesel etc.

Coverage

Basic Engineering Services

• Selection of Power Plant fuel.
• Selection of type and size equipment.
• Selection of size and type of power plant fuel storage handling system.
• Ash handling system.
• Cooling system.
• Selection of size and type of various auxiliary/equipments.
• Conceptualization of power evacuation system and power distribution system.
• Conceptualization of instrumentation and controls requirements.
• Conceptualization of  civil and structural works requirement for the various components.

Procurement Assistance

• Floating for enquiries to selected bidders.
• Bid analysis (technical and commercial).
• Purchase recommendation.
• Preparation of contract document.
• Procurement schedules and cost estimates.
• Hazard and operatibility (HAZOP) study.
• Technical assistance to meet statutory requirements including drawings and documents.

Detailed Engineering Services : Mechanical

• Plot plan and equipment layout for various buildings and areas.
• Selection and specifications of power plant equipments like:-
• Steam generator and auxiliaries.
• Steam turbine generator and auxiliaries.
• Gas turbine generator and auxiliaries.
• Gas engine generator and auxiliaries, diesel engine generators and auxiliaries.
• Design and specification of fuel storage and handling system.
• Design and specification of ash handling storage and handling system.
• Design and specification of water system, compressed air system, HVAC system, miscellaneous material handling system.
• Design P&I diagrams for feed water, steam and condensate system, various water systems, cooling water system, fuel handling, raw water and water treatment system.
• Piping design and drawings including piping material specifications, layout drawings, isometrics, stress analysis, bill of materials, pipe supports etc.
• Design specifications for fire protection equipments/ systems.
• Review of vendor drawings.

Detailed Engineering Services : Electrical

• Design of power evacuation system.
• Estimation of auxiliary power (Normal and Emergency).
• Design of high tension and low tension power distribution system.
• Design/ sizing and specification of electrical equipments like transformers, switchgear (HT & LT) cables, lighting fittings etc.
• Electrical system study including relay coordination.
• Design and specification of variable speed drives for special applications.
• Design and specifications of various services systems like plant communication, fire alarm and detection.
• System study of electrical system.
• Review of electrical drawings.

Detailed Engineering Services:Control & Instrumentation

• Design and specifications for instrumentation and control system including DCS.
• Review of C&I drawings.

Architectural, Civil and Structural

• Architectural, civil and structural design including estimation of quantities for tender document, tender document for civil and structural works, plot development, drawings for statutory approvals and construction drawings for all buildings/ areas.
• Detailed civil engineering for complete power plant.

Inspection and Expediting Services

• Review of Quality Assurance Plans.
• Visiting vendor’s works for inspection and expediting.
• Inspection and expediting reports.

Construction and Commissioning Supervision Services

         Complete site supervision and management by deputing competent Project Manager/Construction Manager and supporting staff at site. 
         The responsibilities include:

• Quality of construction/ erection works.
• Planning and controlling construction/ erection works to meet the project schedule.
• Reporting site progress to design office with short falls, if any, and corrective measures.

Commissioning Support

• Start up and commissioning assistance.
• Site performance test.
• Trouble shooting.

Methodology:

It involves:

• Desk study of available data/ report.
• Site Visit by a multi disciplinary team.
• Kick-off meeting.
• Initiating field studies for project implementation.

Benefits:

• Cost effective solutions.
• Utilization of ash for cement production.
• Availability of power is not a constraint. In case of utility grid, interruption due to shortfall (seasonal) is expected across the country.
• Uniformity in Power Quality.