--- title: 1.2 MWp Rooftop Solar, Apar Industries | Arrays Ingenieria description: Case study: installation & commissioning, BOS, skylight safety mesh and CEIG approval for the 1.2 MWp Apar Industries sheet-roof solar plant, Jharsuguda. url: https://arraysingenieria.com/project-apar-industries-jharsuguda-1-2mwp-rooftop-solar/ last_updated: 2026-10-11 source: Arrays Ingenieria (Arrays Ingenieria Pvt. Ltd.) --- Case Study · Industrial · Rooftop I&C # Apar Industries, Jharsuguda: 1.2 MWp Rooftop Solar I&C A 1.2 MWp solar plant on the sheet roofs of Apar Industries at Jharsuguda, Odisha, installed and commissioned by Arrays Ingenieria for Tata Power Solar. The Project ## About the Apar Industries, Odisha project Tata Power Solar's 2023 orders covered the installation & commissioning of the 1.2 MWp sheet-roof plant, its rooftop BOS services, and the fabrication, supply and installation of skylight safety mesh across the roof. Arrays Ingenieria also handled the CEIG approval and liaison for the 1203 kWp plant, and supplied the earthing strip, RS485 communication cable and cable glands later in the year. ### Our scope of work - Installation & commissioning of the 1.2 MWp sheet-roof plant - Rooftop BOS services - Fabrication, supply and installation of skylight safety mesh - CEIG approval and liaison - Earthing strip, RS485 cable and cable glands ## Project facts Capacity: **1.2 MWp (1203 kWp)** Plant type: **Industrial sheet roof** Location: **Jharsuguda, Odisha** Client: **Apar Industries Ltd.** Partner / programme: **Tata Power Solar Systems Ltd. (EPC)** Our role: **Installation & commissioning, BOS, safety mesh and CEIG approval** Year: **2023** ## Planning a similar project? Talk to our veteran-led team about EPC, installation & commissioning or civil works. [Get a Free Quote](https://arraysingenieria.com/free-solar-quote/) Project Timeline ## How the Project Unfolded The work, stage by stage, as it was ordered and delivered. - Feb 2023 ### Installation & commissioning I&C of the 1.2 MWp sheet-roof plant and its rooftop BOS services. - Mar 2023 ### Skylight safety mesh Fabrication, supply and installation of skylight guard mesh across the roof. - Jun 2023 ### Communication and earthing Earthing strip and RS485 communication cable. - Jul 2023 ### CEIG approval CEIG approval and liaison for the 1203 kWp plant. - Aug-Sep 2023 ### Close-out Additional skylight mesh and cable glands. On Site ## Challenges and How We Handled Them ### Safety over translucent sheets The roof had many skylight sheets. Fabricated guard mesh over them protects installers and, for years afterwards, the cleaning crews. ### Inspection-ready With the CEIG approval in our scope, test records and drawings were prepared to the inspector's formats from the start. ### Monitoring RS485 communication cabling links the inverters to monitoring, so the owner can see the plant's output every day. Installation & Commissioning ## What Our I&C Scope Covered The standard rooftop installation & commissioning scope we deliver to EPC majors' specifications, after the mandatory quality and safety training and contractor safety sign-off. ### Civil works - Earth-pit chambers and covers (RCC/PCC) - Foundations for inverters, ACDB, ITB and accessories - Cable trenches at ground level ### Mechanical - Lifting and handling of all material to the roof - Module mounting structure installation on the sheet roof - Module installation and interconnection - Canopies for wall-mounted inverters and junction boxes ### DC side - String wiring from modules to inverters, tagged and identified - DC cables in conduit or tray - MC4 connectors crimped male and female - Array junction boxes ### AC side and protection - Inverters and inverter terminal boxes - AC distribution board (ACDB) - LT AC cables in trays to the approved layout - Reverse power relays installed and commissioned ### Earthing and lightning - Earth electrodes and pits - Earthing strips for structures, inverters and ACDB, including welding - Lightning arrestors ### Roof safety and access - Skylight safety mesh - Walkways and hand rails - Safety lifelines for workers - Scaffolding for installation ### Monitoring, cleaning and handover - Data monitoring system (SCADA / power manager) - Module cleaning system with pump and motor - Safety posters, storage under covers and care until handover - Testing, commissioning and handover [The full commissioning checklist](https://arraysingenieria.com/solar-plant-commissioning-checklist/)[Our I&C service](https://arraysingenieria.com/solar-installation-commissioning/) Related ## Services Used on This Project [Installation & Commissioning](https://arraysingenieria.com/solar-installation-commissioning/)[Rooftop Solar](https://arraysingenieria.com/service-rooftop/)[All Projects →](https://arraysingenieria.com/projects/) More Case Studies ## Other Projects by Arrays Ingenieria [Industrial · Rooftop: **Super Smelters: 1980.3 kWp Rooftop Solar Plant**1980.3 kWp (about 2 MW) · Jamuria (Asansol), West BengalRead the case study](https://arraysingenieria.com/project-super-smelters-1980kwp-rooftop-solar/)[Industrial · Rooftop I&C: **Balaji Action Buildwell, Sitarganj: Solar I&C, BOS and Civil Works**4000.32 kWp project (as described in the BOS order) · Sitarganj, UttarakhandRead the case study](https://arraysingenieria.com/project-balaji-action-sitarganj-4mwp-solar/)[Industrial · Rooftop I&C: **SRMB Steel, Durgapur: Rooftop Solar I&C in Three Phases**1895.4 kWp, 1060 kWp and 1.69 MWp · Durgapur, West BengalRead the case study](https://arraysingenieria.com/project-srmb-steel-durgapur-rooftop-solar/)