Commissioning of machinery or project

Commissioning of machinery or project Whether the project is small, big or mega; Commissioning is often described as the bridge between construction and operations, but it is much more than that. It is the stage where engineering intent meets field reality, where systems are validated, assumptions are tested, and countless details come together to determine how safely and reliably the project will perform over the coming decades. Even the smallest observation can have far-reaching implications. Attention to detail, therefore, becomes one of greatest strengths.

Training The commitment to continuous learning through training programmes, technical discussions, SOP reviews, field familiarisation and structured evaluations is helpful and creates a strong foundation for future operations. Facilities can be commissioned through procedures and systems, but long-term success ultimately depends on the competence, confidence and commitment of the people who operate and maintain them. Habit, we develop In the final stages of the project, it is important to remember that the habits we develop today will become the culture of tomorrow's operations. The standards we accept, the decisions we make and the discipline we demonstrate during commissioning will shape the reliability, safety and performance of the project throughout its life cycle. Truly said- • “Excellence is the gradual result of always striving to do better.” • “Great achievements are not accomplished by strength alone, but by perseverance.” • “The difference between ordinary and extraordinary is that little extra.” supportive of one another Completion remains within the heart. it is often the final stretch that demands the greatest concentration, discipline and determination. Team should remain focused, uncompromising on safety, meticulous in execution and supportive of one another when we move towards the successful project commissioning. Project completion marks the end of an important chapter, but it also marks the beginning of an even more significant one. The safe, reliable and efficient operation of machinery/ asset serves the nation’s needs for years to come and towards the goal of “Viksit Bharat 20247”. The deployed team accepts all challenges and will make it happen. The dedicated and skilled team can create a benchmark in project commissioning excellence that will be proud to look back upon.

Pre activity before installation of new transformer in the place of old transformer

Installation of new transformer 2.5 MVA 6.6/0.433 KV in the palce of old transformer Some times it becmomes requirement to replace the electrical equipment. It is more dificult when the rating is same but make model is different. I f we do some homework before exection of the job, it saves lot. Simalr case happens when a transformer was having the tan delat high and it was need to replace. A detailed pre-activity review has been carried out before installation on the existing foundation. The observations and required modifications are as follows: 1. Transformer Foundation: Existing foundation size is 40 × 40, while the new transformer base is approximately 41 × 37. The existing concrete foundation size of 59 × 59 is sufficient and will accommodate the new transformer. 2. Radiator Clearance: Existing radiator height is approximately 35, whereas the new radiator length is 45.5. Adequate space is available around the transformer for movement and maintenance. 3. Top Terminal Box (TB) Height: Existing height up to the top TB flange is 69, while the new transformer requires approximately 74. This is the only significant physical modification identified. The existing 30 × 12 dropper will require modification/cutting by approximately 5. A new 43 × 15.5 flange plate, with a 30 × 12 window, will be fabricated and welded suitably to match the new transformer terminal arrangement. 4. Phase Orientation: Existing phase orientation is RYBN, whereas the new transformer is NRYB. Accordingly, the phase sequence will be corrected at the HT-end termination. The neutral connection will be provided through a suitable copper cable loop connection. 5. Terminal Spacing: Existing terminal spacing is approximately 4-7-7-7-5, while the new transformer terminal spacing is 4-10-10-10-6. This minor variation can be accommodated by using suitable copper flexible jumpers, which are available from the recently replaced sand-switch bus duct. 6. Protection and Relay Settings: The existing protection scheme and relay settings will be reviewed and suitably modified as per the new 2.5 MVA transformer capacity and technical parameters before commissioning. Overall Assessment Based on the pre-installation; dimensional and technical review, no major concern has been identified for replacement of TR-176 with the new 2.5 MVA transformer. The required foundation, radiator clearance, terminal spacing, and connection arrangements are manageable with minor modifications. The main activity requiring attention during installation is the top TB/dropper modification and HT phase-sequence correction. Overall, the replacement has been adequately pre-planned and reviewed, and the actual site installation will be closely monitored to identify and resolve any unforeseen hindrance during erection, termination and commissioning.

Two transformers can be different

Two transformers can be different • Both may be rated 33/0.415 kV. • Both may be1.6 MVA. • Can be treated as the same transformer?

Answer-Not necessarily. A transformer is much more than its voltage and MVA rating. It depends how you select, protect, and operate it in a power system. Here are five parameters: 1. Vector Group The vector group tells you: • HV and LV winding connections (Star or Delta) • Whether a neutral is available • The phase displacement between primary and secondary windings For example, Dyn11 means: • D → Delta-connected HV winding • y → Star-connected LV winding • n → Neutral available on the LV side • 11 → 30° leading phase shift (using the clock notation) This becomes much important when transformers are operating in parallel. Two transformers with different vector groups may experience circulating currents, increased losses, and operational issues. 2. Transformer Losses Transformer losses are classified into: a) Core (Iron) Losses • Remain almost constant whenever the transformer is energized. • Independent of load. b) Copper Losses • Increase with load current. • Higher loading means higher copper losses. Choosing a transformer with lower losses isn't just about efficiency—it directly affects the lifetime operating cost of the installation. 3. Tap Changers Power system voltage isn't constant. Variable load and reactive power variations cause voltage. Fluctuations. Tap changers allow transformers to maintain the required secondary voltage by changing the transformer turns ratio. For example : • Off-Circuit Tap Changer (OCTC) • On-Load Tap Changer (OLTC) Understanding when and why each is used is essential for every design engineer. 4. Cooling Method Generally transformer nameplates marked: • ONAN • ONAF • OFAF • OFWF These aren't just abbreviations. They define how heat is removed from the transformer. The cooling method directly affects: • Transformer loading capacity • Operating temperature • Expected service life Selecting the appropriate cooling arrangement depends on the application and load profile. 5. Percentage Impedance Transformer impedance determines: • Short-circuit current level • Voltage regulation • Equipment selection • Protection coordination a) Lower impedance means: • Higher fault current • Lower voltage drop b) Higher impedance means: • Lower fault current • Higher voltage drop High and low impedance needs to be balanced. These are just a few of the practical engineering concepts that substation design engineer should understand.

Line Balancing Tank

The line balancing tank for crude oil is a storage tank used in pipeline systems to smooth out fluctuations in the flow of crude oil between the pipeline and a refinery operation. Its function is to acts as a buffer, holding a volume of oil to ensure a consistent and stable supply to the refinery operation, even if there are temporary differences between the arrival rate of oil and the demand rate. Line balancing tanks are an important part for crude oil transportation and its processing. It enables continuous operation despite variations in pipeline throughput or refinery consumption.

Line balancing tanks balance the supply and demand of crude oil. When the pipeline delivers oil faster than the refinery can process it, the LBT (line balancing tank) stores the excess of crude. Conversely, if the refinery needs more crude oil than the pipeline is delivering at a given moment, the tank provides the differential requirement. A storage tank farm at Haldia Pipeline Station with 8 tanks and a capacity of 0.4 MMT operates as a line balancing tank for the crude oil coming from the Mundra-Panipat pipeline, operated by Indian oil corporation limited. Chaksu in Rajasthan having 6 tanks with a total capacity of 0.3 MMT which works as Line Balancing Tank (LBT) by Indian oil. To provide stable crude supply, these tanks prevent the refinery from having to shut down or slow down due to inconsistencies in the incoming crude oil flow. It makes the refinery operation efficient and continuous operational. Line balancing tank should be sized to accommodate flow differential (how much “buffer” is needed) and batch size differences. Level sensors, flow meters, valves, etc, to monitor and control product in/out flows and ensure the tank serves the balancing function. Since this is in a petroleum product context, relevant design/regulatory standards apply like (e.g., bunds, spill containment, pipeline standards). Line balancing tanks and vapor balancing systems, is primarily governed by the Petroleum Act, 1934 and the comprehensive Petroleum Rules, 2002 in India. The regulations are enforced by the Petroleum and Explosives Safety Organisation (PESO).

SOP for pest control or disinfestation in substation and switchgear rooms

1. OBJECTIVE a) To prevent the entry of lizards, rodents, and other pests inside electrical substations, MCC rooms, UPS rooms, battery rooms, substation galleries, VFD rooms, ECS rooms, battery charger rooms, HVAC rooms, and cable trenches/cellars. b) To control pest infestation and avoid electrical flashovers in HT/LT switchgear. c) To ensure pesticide/chemical handling is done safely and judiciously, minimizing health hazards. d) To ensure all building openings, doorframes, window frames, and utility penetrations are screened and sealed to prevent pest ingress.

2. PERSONAL PROTECTIVE EQUIPMENT (PPE) Personnel engaged in pest control shall wear the following PPEs: • NIOSH-approved respirator or equivalent • Safety goggles or protective glasses • Chemical-resistant gloves • Safety boots/shoes and helmet • Full-body coveralls or IFR suit • Chemical-resistant apron • Ear protection (if equipment noise exceeds permissible limits) • Any additional PPE as recommended by the pesticide manufacturer • Valid medical fitness certificate from a registered medical professional 3. MATERIALS AND CHEMICALS Any one of the following chemicals (or equivalent) may be used for a minimum area of 100 sq. meters: Sr. No. Material Name Dilution Ratio Solution Quantity (approx.) a Malathion 50% EC 1:100 in water 3.0 L b DDVP 76% EC 1:150 in water 3.0 L c Deltamethrin 2.5% 120 g in 3 L water 3.0 L d Blattanex / Propoxur 20% EC 1:40 in water 3.0 L e Chlorpyriphos 20% EC 1:100 in water 3.5 L f Alphacypermethrin 10% EC 1:100 in water 3.0 L Note: Always refer to the latest Material Safety Data Sheet (MSDS) for safe handling and disposal guidelines. 4. PROCEDURE 1. Preparation: o Verify all PPEs are worn and functional. o Ensure chemical dilution is prepared as per approved ratio. o Isolate electrical panels and sensitive equipment if required. o Display warning signboards – “PEST CONTROL IN PROGRESS – ENTRY RESTRICTED”. 2. Application: o Apply the diluted chemical uniformly using a hand sprayer or approved equipment. o Focus treatment along wall corners, cable trenches, ducts, and behind panels. o Avoid spraying directly on live electrical parts, terminals, or panels. o Ensure adequate ventilation during and after treatment. 3. Post-Treatment: o Wash hands and exposed skin thoroughly after the activity. o Remove PPE only after decontamination. o Dispose of chemical containers as per environmental and safety regulations. o Record treatment details in the Pest Control Logbook (date, chemical used, area covered, name of applicator, etc.). 5. FREQUENCY • Spray Treatment: Once every 7 days. • Rodent Baiting: Fortnightly, using 2% Zinc Phosphate bait by weight. • Monitoring & Inspection: Monthly, by SIC/EIC/Safety and Maintenance team. 6. SAFETY AND PRECAUTIONS • Avoid overuse of pesticides. • Do not store pesticide containers in electrical or control rooms. • In case of exposure, follow MSDS first-aid instructions and seek medical attention immediately. • Maintain proper ventilation during spraying. • Ensure treated areas are not accessed until the recommended re-entry period lapses. 7. RECORDS AND DOCUMENTATION • Maintain records of: o Chemical inventory and MSDS copies o Pest control treatment log o Inspection and monitoring reports o PPE issuance and medical fitness certificates

Development of infrastructure of “State e-art centre”.

Development of infrastructure of “State e-art centre

Concept & Vision Core idea: Build a hybrid cultural / experiential hub that showcases the state’s identity — in agriculture, arts, technology, local heritage, environment — while also serving as an entertainment, learning, and tourism destination. Focussed area / uses: • Showcase models / demonstrations (agricultural techniques, indigenous crafts, food & lodging, local architecture) • Cultural performance spaces (dance, music, theatre) • Photo / video / mini-movie zones • Recreational, leisure, gardens, landscapes • Event infrastructure for fairs, weekly culture programs, annual days • Visitor amenities: shops, restaurants, parking, rest areas • Internal mobility (e.g. e-rickshaws) • Administrative / management / maintenance facilities By combining “education + spectacle + recreation + promotion of state identity,” the centre can draw the attention of both residents and tourists, generate revenue (entrance, events, F&B, rentals), and raise the state’s profile. Site Selection & Spatial Planning Location criteria ideal locations would be: • Riverbank, lake, pond, canal side (water adds scenic & cooling effect) • Near hills / gentle slopes (for artificial hills, vantage points) • Adjacent to forest / natural habitat (to blend built & green) • Easily accessible via road and public transport Size: Site area between 40,000 m² to 200,000 m² (i.e. 4 to 20 hectares) is suitable; smaller pilot phases can begin at the lower end and expand later. Master Planning Principles A few guiding principles to adopt: • Master plan first: Lay out all main circulation, zoning (landscape zones, built zones, performance zones, water zones) before detailed buildings. • Phased growth: It might not be possible to all everything at once. Design for expandability, with “first phase core + land reserved for later phases.” • Theming / narrative: Organize the park so visitors have a narrative journey — e.g. entry plaza → demonstration zones → performance / spectacle zones → serene gardens → exit amenities. • Circulation & wayfinding: Clear paths, gentle slopes, signage, visual axes. Avoid dead ends, ensure good pedestrian flow. • Views & sightlines: Use topography (artificial hills) to create vantage points, visual intrigue. • Integration of water / green: Use lakes, ponds, vegetation as both aesthetics and micro-climate. • Sustainability: Rainwater harvesting, solar power, green roofing, native planting, pervious paving where possible. Typical Infrastructure & Major Components Below is a mapping of your listed “typical items” and recommendations / considerations. Component Key Considerations / Design Approaches 1. Site demarcation / boundary Secure fencing, but design boundary walls to be aesthetic (with state motifs, green walls) 2. Landscaping Use native species, shade trees, seasonal flowering, pathways, seating, lighting 3. Artificial lake / ponds Water recirculation, filtration, depth safety, aquatic planting 4. Artificial hill / mounds Use excavated earth, contouring, seating terraces, stepping paths 5. Flower gardens Thematic gardens (state flowers, butterfly gardens, medicinal plants) 6. Water & electricity provision Internal distribution (grids), underground conduits, redundant supply, standbys 7. Road / internal driveway Durable pavement, drainage, gentle radii, allow service access 8. Bus stop / visitor drop-off Sheltered, landscaped, near entrance, with good entry plaza 9. Parking Surface lots + shaded trees + permeable paving; consider overflow / future expansion 10. Shop booths / shopping place Modular kiosks, flexible rental units, local handicraft displays 11. Recreation / multipurpose hall For indoor events: dance, cultural programs, exhibitions 12. Restaurant / food courts With kitchens, service access, seating zones (indoor & outdoor) 13. Video / photo / mini-movie parlours Controlled lighting, acoustics, suitable interiors, equipment rooms 14. Mini theatre / open amphitheatre Acoustics, stage, backstage, seating, lighting, sound, projection 15. Internal transport (e-rickshaw) Pathways wide enough, charging stations, docking / waiting areas 16. Temporary set / “suiting zones” Flexible modular frameworks (steel / timber), scaffolding systems, interchangeable façades 17. Administrative / estate centre Offices, maintenance, storage, workshop, security, staff restrooms Technical & Engineering Points: 1. Drainage & stormwater: Because of large impervious surfaces, design stormwater drainage, retention ponds, bioswales. 2. Utilities underground: Electric, telecom, water lines should be buried. 3. Power backup / solar: Essential for performances, lighting, AV systems. 4. Acoustics & noise buffers: Between performance zones and quiet areas. 5. Safety, fire & emergency: Fire zones, emergency access roads, signage, first aid. 6. Accessibility: Universally accessible ramps, restrooms, seating for persons with disabilities. Phasing & Implementation Strategy Rather than doing everything at once, it is advisable to carry out in phase the development: • Phase I (Core / pilot): Entrance, main pathway, landscaping, parking, administrative building, basic exhibition / demonstration zones, small amphitheatre, basic shops & cafes. • Phase II: Expand performance zones, mini theatre, internal mobility (e-rickshaws), more detailed modelling zones (cultivation / agriculture), additional gardens. • Phase III: Temporary set / movie zones, full restaurant, full-fledged shops, special zones (forest / hill integration), advanced tech exhibits. • Phase IV: Expansion, more built zones, large events infrastructure, larger lake, more attractions. This phased approach helps manage costs, attract early visitors, adjust based on feedback, and expand sustainably. Key Challenges & Mitigation • Cost & funding: Such projects are capital intensive. Being a robust budget, possibly public-private partnerships, grants, sponsorships. • Maintenance & operations: Landscaping, water bodies, facilities require ongoing maintenance budgets and staff. • Visitor footfall / revenue: Ensure good marketing, programming, events, ticketing model to make it viable. • Environmental concerns: Water usage, waste management, ecological impact. • Seasonal / weather constraints: In monsoon seasons, manage flooding; in summer, shade and cooling. • Technical infrastructure & quality: Sound, lighting, projection, AV, power backups must be reliable. Example Models / Inspirations • Ramoji Film City, Hyderabad: Ramoji Film City is an integrated film studio facility located right outside of Hyderabad, In addition to serving as a major hub for film production, Ramoji Film City is a popular thematic holiday destination, featuring a mix of natural landscapes, artificial sets, and an amusement park.

• Statue of Unity, Gujarat The monument is constructed on a river island named Sadhu Bet, 3.2 km (2.0 mi) away from and facing the Narmada Dam downstream. Advantages- Increases tourism, employment, reputation. etc. Disadvantages: Worshipping great human beings like God

• Etopia Centre for Arts & Technology, Spain: The Digital Mile area in the city of Zaragoza designed to house and promote projects in the fields of multimedia, art, video games and design. Suggested action plan- 1. Feasibility / site survey: Identify potential sites (riverbank, lake side etc.), assess topography, hydrology, connectivity, land cost. 2. Concept masterplan sketch: With zoning, paths, major buildings, visual axes. 3. Detailed architectural & civil design for Phase I. 4. Cost estimation & funding plan (state budget, PPP, donor funds). 5. Permits & environmental clearances. 6. Procure / tender contractors specializing in landscape, structural, theatre / AV. 7. Pilot / demonstration installations to generate interest. 8. Marketing & stakeholder engagement (local communities, cultural groups, tourism department). 9. Operation & maintenance plan from Day 1. If required, we can help to prepare a detailed masterplan, or a project proposal with cost estimates, or a phased implementation roadmap for specific state (with local terrain, climate, cost parameters).

foundation stone for Panipat Refinery Expansion (P-25) Project

 Prime Minister of India lays foundation stone for Panipat Refinery Expansion (P-25) Project at Panipat Refinery

foundation stone for Panipat Refinery Expansion 

Prime Minister of India, Mr Narendra Modilaid the foundation stone for Panipat Refinery Expansion P-25 Project on 2nd Mar’24, launched from Begusarai, Bihar.IOCL will expand Panipat Refinery Expansion (P-25) Project to enhance refining capacity from 15 MMTPA to 25 MMTPA. The cost of the project for capacity expansion of Panipat Refinery is Rs 32,946 crore, Revised Cost: ₹36,225 crore.

Earlier in February 2021, the Indian Oil Board approved the Panipat Refinery Expansion Project to enhance its capacity from the existing 15 MMTPA to 25 MMTPA. The project was started in Feb 2021. The original date of commissioning was sept, 2024, revised as Dec,2025.

P-25 Expansion Project consists of new Atmospheric Vacuum Distillation Unit (AVU) of capacity of 10 MMTPA followed by a SR LPG Treater (SR LPGT), MS Block comprising of Naphtha Hydrotreater (NHT), Catalytic cracking reformer unit (CCRU) & Isomerization Unit, Diesel Hydrotreater (DHDT), Vacuum gasoil Hydrotreater (VGO‐HDT), Residue Hydrocracker Unit (RHCU), INDMAX unit followed by a Propylene recovery unit (PRU). A new Polypropylene (PP) unit and Catalytic Dewaxing Unit (CDWU) are included as value augmentation unit. Auxiliary facilities i.e., Hydrogen generation unit (HGU), Sour water stripper (SWS)/ Amine regeneration Unit (ARU), Sulphur recovery unit (SRU) and Utility/ Offsite (U&O) facilities for the entire project are included in the facility

Ref:https://www.indianchemicalnews.com/petro-chemical/indianoil-to-invest-rs32-946-cr-on-expansion-of-panipat-refinery-7790