We offer Engineering Services incorporating Pre-Plan drafts for transformation into a Conceptual Design Plan with the right technical approach and also we will meet the necessary relevant local
and International Standards with respect to technology & equipment’s selection, Electrical & Civil
design and Safety aspects.

• Pre- Plan drafts.
• Detailed Engineering Plan.
• Review and Documentation.

Based on the Defined Standards, tabulated key technical considerations and Specified Specifications, a detailed engineering plan are designed and executed to ensure that the “Design
Engineering Implementation” has met all the prerequisites for initiating Construction.


Overall Project Layout

• The layout of the shadow-free area consisting of modules based on the Geo-Technical and Hydrology Studies.
• Overall Plant Layout indicates the location of various equipment and buildings.
• Shadow diagram with respect to the distance between the rows of modules, and Keep outs / Obstructions in the site.
• Internal and Peripheral Road Cross Section.
• Module Mounting Structure GA.

Civil and Infrastructure Design

• Foundation and Construction drawings of Modules Mounting Structure (MMS), Inverter, Transformer and Inverter Control Room.
• Preparation of Module Cleaning System with Water Treatment design and Instrumentation & Pipeline Network design.
• Preparation of drawings for water storage sumps/overhead tanks and conceptual design for the water line from the bore well
  filtration unit.
• Preparation of different types of Roads & Fencing Drawings as per site conditions.

Structural Work Design

• Module arrangement table GA diagram in line with vendor drawing.
• Review of Module Mounting Structure (MMS) diagram with STAAD Analysis from the vendor with necessary data for
  withstanding higher wind speed.
• Design and Review of Pre Engineered Building for Inverter room and Watchtower.

Electrical DC Drawings

• PV array Layout.
• DC Side Single line diagrams.
• String Combiner Boxes (SCB) Co-Ordinate Layout.
• Cable sizing & scheduling.
• Cable trench layout
• Earthing Design Calculation and Layout.
• Comprehensive BOQ Estimation

Electrical AC Drawings

• Complete AC Side Single Line Diagram.
• Short Circuit Force, Fault Level and NCT Calculation.
• Inverter, MCR and Switchyard Equipment Layout.
• LT, HT  Cable sizing &  Schedule.
• Auxiliary Single Line Diagram for Inverter, MCR and Switchyard.
• Auxiliary Trafo, Battery and UPS Sizing Calculation.
• MCR, Switchyard, Inverter Transformer Yard Earthing Calculation.
• Design of MCR, Switchyard, Inverter Transformer Yard Earthing Layout.
• Internal and External Lighting Layout.
• DSLP Calculation and Layout for Switchyard.
• Complete Plant SCADA DI, DO and AI Estimation.
• Comprehensive BOQ Estimation.
• Interface Engineering with Electrical Contractor.

Production Yield Assessment

• Meteorological Analysis
• Uncertainty Analysis
• P50, P75 and P90 production forecasts.

We at Indusassist assure to protect the owner’s interest by confirming that the technical, procurement specification and construction are adhering sufficiently to the standards and regulations. The constant review will be made at every phase of the project. The procurement selection criteria is based on the following:

Estimation of Bill of Quantity (BOQ)
Preparation of detailed BOQ (Bill of Quantity) with technical specifications for procurement of following major items,

• Modules
• Inverters
• Module Mounting Structure (MMS)
• String combiner boxes (SCB)
• DC, AC, Control cables & Connectors
• SCADA System, Module washing system, Power interfacing panel, Fire Alarm protection, Lightning system, Earthing system, Cables, Transformers, Switchgear panels, Civil works for building
  and AC electrical installation & miscellaneous supply.

Validation of equipment cost based on vendor quotes for various equipment and systems for firming up project cost.
Request for Proposal (RFP) & Review

• Preparation of RFP documents with technical specifications, standard bill of materials (BOM)
• Reviewing of all the required components to be procured, providing clarifications, submitting offer evaluation report.
• Review of vendor documents such as specification sheet/datasheet, obtained BIS/IEC certifications, test reports and certifications warranty documents, organization profile, etc.
• Working out various options and alternatives and carrying out financial analysis for each option.
• Presenting the results of the above analysis to clients to have a proper understanding of anticipated profitability and strategize to arrive at a competitive final price to be offered to the vendor.

• Site survey & connectivity
• Power Evacuation feasibility
• Hydrological survey

• Performance & Efficiency factors
• Identifying Reputed Suppliers

• Environmental Impact
• Mechanical Constructability
• Socio-Economic Impact
• Risk Mitigation

• Meteorology analysis (ground Vs satellite data)
• Solar Assessment & Shadow Analysis
• Preliminary Solar resource and yield
• Probability analysis (P50, P75 & P90)

• Development cost
• Engineering cost
• Land cost
• Equipment cost
• Construction cost
• Operational cost
• Cash flows & Returns

Pre-bid Engineering activities include understanding tender criteria, arriving at the overall configuration, equipment sizing to suit tender stipulations, a compilation of technical as well as the commercial bid with focus on optimum design and cost.
Estimation of project cost based on the expertise and database of IndusAssist including all the cost components w.r.t equipment, design, engineering, manufacture, installation and commissioning as well as other fixed costs, O&M cost, etc.,

Broad Scope of Pre-bid Engineering services
include:

• Review of RFP Documentation.
• Project Startup and Financial Requirements.
• Contractor and Owner’s basic Obligations.
• Project Warranties and Plant performance
  benchmarks.
• Technical Specifications.
• Project Performance Guarantee Estimation like
  CUF, PR or kWh/Annum.
• Defects Liability Criteria.
• Project Acceptance Criteria.

IndusAssist’s technical due diligence service supports owners and investors during acquisitions or any other transaction involving a change of ownership.
Solar due diligence service by the IA team includes the following:

• Engineering Review – Review of IFC engineering drawings and As-built drawings.
• Review of Land Leases – Legal lease documents, surveys, and title work.
• Review of Power Purchase Agreements (PPA), EPC contracts – Terms and pricing.
• Project Costing – Evaluate cost of plant, machinery, land and interconnected facilities.
• On-site Analysis – Solar Resource Assessment, Inspection and fault detection of PV system design, PV components, Constructional & Quality aspects, Assessment of plant’s performance on energy yield predictions, spares at site, O&M services and Healthiness of Equipment’s.
• Energy Yield Assessment – Review of client energy yield losses in comparison to actual at site, Computation of Uncertainty & Actual losses and Estimation of New Energy Yield Assessment – P50, P75 and P90.
• Special Services – IV Curve Tracing, Infrared Inspection, Independent PR Test.

Pre-financial closure phase (Technical & Commercial due diligence)

• Review of project feasibility.
• Review of project design.
• Project commercial appraisal.
• Review of agreements.
• Review of cost-breakup and schedules.
• Review of BOM and technical specifications.
• Verification of approvals and Clearances.

Implementation phase

• Physical progress monitoring.
• Verification of actual cost incurred.
• Scrutiny of Test reports.
• Periodic site inspections.
• Review of drawdown requests.

Post commissioning phase

• Review of O&M arrangements.
• O&M schedule review.
• Comments on Adequacy of spares.
• Periodical performance assessments.
• Periodical O&M site inspections.

Plant performance assessment aims at improving operational and maintenance practices to sustain productivity, reliability, energy efficiency, and optimum life-cycle costs.
Study Includes:

• On site Solar Resource Assessment.
• Energy loss and Downtime analysis.
• Operation and maintenance practices.
• Existing Plant asset walkthroughs.
• Equipment Healthiness Check.
• Module Degradation Analysis using IR.
• Thermography and IV Curve Tracing.
• Quality, Environment, Health, and Safety (QEHS).

Subcontracting solar power plant management to Third-Party Consultants (TPM) results in smarter operations that can reduce costs, optimize energy
production and trim downtimes to the least. We are offering “Asset Management Services” in coordination with our renowned partners in the Industry. We take charge of the entire management of the plant which includes managing technical and administrative processes, verifying contractual obligations and managing supplier and customer relationships, warranty follow-ups and all other relevant activities of the project. Keeping owners fully informed, we are always focused on maximizing your investment returns.

• Technical Management and Reporting.
• Financial/Commercial management and Reporting.
• Grid Management.
• Buyer and Seller Collaboration.
• Plant Health Check & Reporting.

Our quality policy is an enabler for our team to upgrade their workmanship continuously and deliver products with zero defect adding value to our customers.
Implementing a Quality Assurance Plan (QAP) will efficiently diminish the technology risk associated with the solar investment. Robust quality systems need to be in phase for performing a vigorous material level evaluation, production process and post-production process.
We have stringent Testing and quality assurance plan at OEM place to maintain equipment standards as per project specifications and design requirements.

Our scope involves:

Site Quality Assurance Plan

• Supervision of construction works as per Quality standards (QAP) and submission of Non Conformity (NCR) and Critical Observations (COR) Reports.
• During Mechanical Completion, We Provide Punch Point List related to each Sub Contractor scope of work.

Module Quality Assurance

• Review of BOM, IEC Certificate & Reports and Manufacturing Quality Plan.
• Review of 3rd Party Certified PAN File or Factory Inspection report.
• Factory Audit.
• Incoming Material Inspection as per approved BOM.
• In Process Inspection.
• Pre Shipment Inspection.
• Provide In-Process Inspection and Pre-Shipment Inspection reports.

Other Balance of System Quality Assurance

• Factory Audit.
• Review of BOM, IEC Certificate & Reports and Manufacturing Quality Plan.
• Witnessing Factory Acceptance Test as per approved MQP.
• Provide Pre Shipment Inspection report.
• In Some cases, Provide Material Dispatch Clearance Certificate after reviewing the routine and Pre Shipment inspection reports.

“We Ensure The Best Mileage Of Your Project”
Constructing and Commissioning a well-designed plant is a half-done job. A well designed and installed PV grid connected system should have a fault-free operation for many years. Timely Yields and profits to investors’ expectations, can be realized only through the healthy functioning of the plant. We take care of the health of plants through skillful Operations and Maintenance solutions to ensure top-notch performance and maximum production throughout its entire lifetime.

Be it single or multiple sites, we offer tailor-made services from small rooftop systems to large utility-scale systems. Our well trained and dedicated O&M team will ensure system up-time and maximize the performance ratio – thereby maximizing return on investment and monitor through numerous evaluations as per international standards. We command an all-seeing eye over the project to detect and our techie will inspect and improve even the slightest slag in the performance of the solar system.

We Guarantee on Performance Ratio, Plant Uptime and Response time

• Operation Maintenance and Inspection.
• Remote Monitoring and Control.
• Ensuring operative availability 24/7 and the PR.
• Corrective maintenance.
• Monitoring and reporting.
• Spares Management.
• Detection & rectification of electrical fault.
• Taking Energy meter readings & maintain log book.
• Private & breakdown maintenance as per the schedule. 
• On-Site Security