COMPREHENSIVE ENERGY AUDIT OF THE MAIN BUILDING COMPLEX AT RESTRICTED AREA UNDER GE SOUTH WEST NEW DELHI

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M & L to carryout comprehensive energy audit of the Main Building Complex (MBC) and to achieve the objectives, the Agency is expected to carry out an Energy Audit which includes conducting a baseline study of all the agreed parameters, identification of energy efficiency projects, carrying out a detailed feasibility study for each of the options identified, including technical specifications, performance parameters, financials and execution plan. The basic regarding energy consumption and equipments are as follows:- (a) Total Sanction Load: 3000 KVA (b) Total Number of Floors: 'D' Block: 3 floors + Ground floor + Basement, 'E' Block: 11 floors + Ground floor + Basement and 'F' Block: 3 floors + Ground floor + Basement (c) Total Transformers: 3 Nos Dry type 1500 KVA, 2 Nos and Oil-cooled 1500 KVA (d) Total Electrical Switch Rooms: "D' Block: 5 Nos, 'E' Block: 13 Nos. and F Block: 5 Nos. (e) Total Auditorium: 1 in 'D' Block with approximately 180 seating capacity (f) Workshop: 1 No. (g) Total Number of Lifts: 'D' Block: 1 No., 'E' Block: 7 Nos + 01 No Goods Lift and 'F' Block: 1 No.

(h) Total Number of Elect Switch Rooms: 'D' Block: 5 Nos., 'E' Block: 26 Nos. and 'F Block: 5 Nos. (j) Total Number of Rooms (Approx): 'D' Block: 52 Nos., 'E' Block: 481 Nos. and 'F' Block: 120 Nos. (k) Total Number of Chillers: 4 Nos. 250 TR each (l) Total Number of Cooling Towers: For Chillers: 3 Nos and For DGs: 4 Nos. (m) Total Number of AHUs: 'D' Block: 4 Nos, 'E' Block: 9 Nos. and 'F' Block: 4 Nos. (n) Total Number of Pumps: Chiller Room: 4 Nos. 50 HP each, Pump House: Approximately 14 Nos. 30 HP each, and Fire Pump: 6 Nos 120 HP each and 3 Nos. 25 HP (approximately) (o) Total Number of DG Sets: 750 KVA: 3 Nos. and 160 KVA: 1 No. (p) Total Number of UPS: 1 No. 60 KVA (q) Total Number of Elect DBs (Approx) : 'D' Block: 10 Nos., 'E' Block: 52 Nos. and 'F' Block: 10 Nos. (г) Main LT Panel consisting of 35 x LT ACBs of capacity from 630 Amps to 3200 Amps including Bus Couplers and Bus Bar Trunking etc. (s) Main HT VCB Panel consisting of 08 x 11 KV HT VCBs of capacity from 630 Amps to 1250 Amps including Bus Coupler. (t) LT Bus Bar Risers (Total 12 Nos) installed in Elect Switch Rooms including LT ACBs of capacity upto 1250 Amps.

Credentials for Energy Audit team:- Credentials for conducting an energy audit typically involve a combination of education, certification, and experience in energy management and related fields. Here's a breakdown of typical credentials: (a) The Firm has to deploy an Energy Audit team that shall be meticulously composed to ensure the highest standards of expertise and credibility. The firm has to submit Name of proposed Agency alongwith all the crediantials as mentioned below for approval of Accepting officer. It shall consist of two key members: Certified Energy Auditor: This individual will hold a valid Energy Auditor certificate from the Bureau of Energy Efficiency (BEE). Their certification ensures that they possess the necessary knowledge and skills to effectively evaluate energy usage and identify opportunities for optimization. With expertise in energy management systems and auditing protocols, they will play a pivotal role in conducting thorough assessments and providing actionable recommendations for energy efficiency improvements. Experienced Chartered Engineer: The team shall include a Chartered Engineer (with a bachelor degree in Electrical Engineering preferably from esteemed institutes such as lITs) with a wealth of experience, boasting a minimum of 25 years in senior roles within esteemed central/state/PSUs government organizations. This individual's extensive tenure and expertise within these reputable establishments shall signify a deep understanding of building complexities, regulatory frameworks, and best practices in building design and operation. Their seasoned insights shall enrich the audit process, ensuring comprehensive evaluations and practical solutions tailored to the unique requirements of government building facilities.

By assembling a team comprising a certified Energy Auditor and a seasoned Chartered Engineer, it shall guarantee a holistic approach to energy auditing that blends technical proficiency with practical wisdom garnered from decades of hands-on experience in managing and optimizing central government buildings. This amalgamation of expertise ensures that the energy audit endeavors deliver robust insights and actionable strategies to enhance energy efficiency, reduce operational costs, and advance sustainability goals within government infrastructure. (b) Discussions with Key Facility Personnel: The first step is a set of initial discussions between the Identified Agency and key officials of the Facility Owner to understand the requirement of the project, the benefits of energy efficiency, and the approach that will be used in the Energy Audit. The purpose of these meetings will be to ensure that the key personnel thoroughly understand and support the process, and that relevant Facility Owner staff have an adequate understanding of the process since they will be providing the identified Agency with essential data and specifications about the Facility Owner premises for the Audit. (c) Site Visits: Next, the Identified Agency shall visit all facilities involved in the Project for which the award has been given to ascertain the availability of data and system complexity; formulate a data collection plan and other issues. Site visits will ensure that the Facility Owner participants are informed and able to assist as needed.

Procedure to follow :- (a) Identified Agency (IA) needs to deploy the team along with requisite instruments to the Project site within 7 days of date of Letter of Award (LOA). IA shall conduct a kick-off meeting within 1 week of Letter of Award (LoA) with the Facility Owner. (b) The lA has to complete the energy audit of the Project within 30 days from the date of Letter of Award (LA), subject to receipt of all the data required from the client. (c) The baseline parameters such as operating hours, power consumption, operating head, operating flow, voltage, frequency, power factor, Quality, current, etc. shall be agreed at the time of preparation of Energy Audit. (d) The iA has to submit the first draft of the Energy Audit report to the Facility Owner within 20 days from the date of kick off meeting. (e) The Facility Owner shall provide comments, suggestions on the draft Energy audit report within 1 week from the date of submission of Energy audit and the IA shall provide the Final Energy audit report to the Facility Owner within one week from the date of receipt of comments, suggestions. (f) The lA may be required to further incorporate the comments / suggestions made by the Facility Owner after mutual discussions.

Data to be collected :- Can include but not limited to the following: (a) Architectural drawings - Plans, elevations & sections. (b) Building envelope details: Roof, windows, glazing, walls and shading. (c) Total building occupancy and hour wise occupancy pattern for a typical day. (d) Number and locations of Energy consuming equipment (Chillers, AHUs, Pumps, Cooling tower, DG, Transformers, Lights, Fans, APFC, Power panels etc.) in the establishment and connected loads, contract demand. (e) Relevant billing data for the past 12 months for electricity and other fuels used. (f) Relevant cost details for operation and maintenance of the present energy consuming equipment installed. (g) Operation hours of the individual equipment on a daily basis, seasonal (as maybe applicable) for the past 12 months. (h) Operational details including flow, head, temperature, power and other relevant parameters of the equipment. (j) Electricity loads of the individual equipment at different operating loads. (k) Identified agency must check the energy metering at the building level, end-user level and mention the details in the Energy audit report. If the provision for metering is unavailable in the building and end-user, the identified agency will provide the energy metering recommendations in the Energy audit report.

Preparatory work for Audit:- (a) Evaluate HVAC system performance. (b) Evaluate Pumping system performance. (c) Evaluate Electrical system performance. (d) Evaluate Lighting system performance. (e) Evaluate all other energy consuming equipment performance. (t) Evaluate building envelope and air infiltration. (g) Prepare data sheets to capture operational details of the appliances in more detail as maybe required for the detailed audit.

Data analysis Conduct the following analysis to establish the baseline of the entire project as well as for individual systems:- (a) Analyze design parameters and actual operating parameters of the different equipment with a view to identifying problems in achieving efficiencies (b) Evaluate the performance of all major energy consuming equipment. Historical data analysis to establish the power consumption trends. (c) Evaluate building equipment operations and maintenance to identify operational measures for achieving efficiencies. (d) Analyze electrical systems such as transformers, DG sets, LT panels, APFC panel for the harmonics, power factor etc. (e) Analyze heat transfer through building envelope and suggest measures to improve envelope performance.

List Possible Efficiency Projects :- The detailed energy audit carried out at the various facilities will identify energy efficiency measures. The measures that have the technically feasible solutions and economically viable solutions will be further developed into energy saving projects that will be listed in the Energy audit report. Based on the analysis, the list of projects with good potential for saving energy (and water if applicable) that includes the following information: (a) Configuration of the existing system (b) Configuration of the proposed system (c) Estimated energy savings and other benefits. (d) Financial projections including the Life cycle savings-based analysis and its payback period. (e) Impact on productivity and contract demand and other related aspects. (f) Energy Saving potential and investment along with R&M costs shall be supported from recommendations. (g) Implementation plan For the identified energy efficiency/ conservation measures, the identified agency must provide the following for each building in the Energy audit report:- (i) Detailed technical specifications of the technology for each recommended energy efficiency retrofit measure. The specifications must include the technology type, size, energy rating /characteristics, cost, etc.

(ii) Complete Bill of Quantities (BoQ) for implementing recommended energy efficiency measures. The BOQ must include the quantities of technology, materials and services needed. (iii) Information on at least three national suppliers /vendors for the recommended energy efficiency measures. The identified agency must provide these vendors' names, contact details, and addresses. This is to ensure that the proposed technologies are competitively available in the marker. The Identified Agency (IA) shall engage with Manufacturers for soliciting energy saving potential recommendations along with investment land Repair & Maintenance /R&M) costs involved to be included in the energy audit reports

Baseline :- The Baseline of energy use for Major energy consuming devices is calculated from all relevant information, such as operating conditions, measurements of various system equipment, log book trends, historical data, information from plant operators and mechanics, and any previous test reports on the existing operating conditions.

Risk Responsibility:- Matrix Risks such as Technical, Performance, Operational, Financial, and Environmental etc. shall be indicated in the Energy Audit along with responsibility and risk mitigation measures.

Energy Report:- The audit report is the foundation for the implementation of the measures in the audit report, and is the key document used by institutions to assess the technical and financial viability of the Project. The Broad content of the Energy audit report should be as follows: (a) Executive Summary: Provides brief description of the facilities covered, measures evaluated, analysis methodology, results and a summary table presenting the cost and savings estimates for each recommended measure. It also includes a summary of the recommended measures and costs as well as the financial indicators of the Project. (b) Background: Extensive energy related background about the Facility and the Project (c) Facility Description: Details of the existing facilities targeted, such as lighting, HVAC Pumps, motors, heaters, boilers etc. (d) Energy Scenario: Energy consumption details of all facilities included in the audit and their energy sources including monthly or seasonal variations that may have occurred over the period as agreed in the Energy audit. (e) Baseline parameters and Adjustments: Methodology followed in establishing the baseline parameters and criteria. Provide the baseline parameters and the calculation procedure in Energy audit report. (f) Data Collection: List the various types of data collected and their sources. Include the data in the Energy audit report.

Powerlite Engineers (BID ID -3322424)