LETTER OF INTRODUCTION Incorporated at 2011 in GURUGRAM, Haryana, SN ENGINEERING is indulged in Manufacturer of Earthing Electrode and ESE Lightning Arrester. Extensively required in several industries, these products are Chemical Earthing, Electrode Earthing, ESE Lightning Arrester and more. The specifically developed by our knowledgeable workers using the superiorquality material with the support of futuristic technology, our presented products are extensively accepted and accredited for their assorted qualities such as precise design, abrasion resistance, easy installation, light weight and optimum finish. Our honored patrons can purchase these products from us with different alterations as per their exact necessities and within assured frame of time. Quality is confirmed because we strictly inspect their excellence on defined restrictions and allow them providing into the market. We are assisted by a crew of experienced and qualified personnel, which supports us in our endeavor towards delivering superior quality products at inexpensive rates. These personnel are acknowledged to implement every task flawlessly and professionally. Due to their continuous help and backing, our personnel have become the backbone of our enterprise. Their aid has endowed us to fruitfully offer Such an assorted gamut of products to our patron's insole & bulk quantity. We also have market research workers, who are capable of understanding the evolving requirements of our patrons and aid us in designing products consequently. Under the command of our mentor, we have reached a distinctive place in the national marketplaces. His vast experience and business knowledge have served us to scale greater heights of success. COMPANY PROFILE S N Engineering has become a name to reckon with for supplying their clients a top notch quality of Chemical Earthing Electrodes in India. These are wide appreciated by our esteemed clients for their superior performance and world class quality standards. We are also a noted supplier of products like E.S.E Lightning Arrester, Chemical Earthing Electrode & Copper Earthing. We work with zeal to impart highly innovative and cost effective solutions to meet the all round earthing requirements of our valued clients. The assortment of our chemical earthing electrodes and other precision engineered products is known for good conductivity, corrosion resistance, low maintenance and safe operations. We cater to a diverse segment of industries and have formed a wide client base. SN Engineering has been making waves in the Earthing and Lightning Protection Industry in India. SN Engineering offers a full range of Lightning, Earthing & Surge protection solutions for your applications. Our business is to deliver turnkey and cost effective solutions for small businesses to financial, health-care, telecommunication, education, Industry, Banking, Hotel, IT, Data centers, R& D centers, Govt. Sector and De fence sectors to protect their valuable data and sensitive electronic systems from the damaging effects of lightning and related surges and transients. We are experienced in providing customized design and state-of-the-art solutions to suit your requirements. Certified in high standards of quality and for innovation, our dedicated team of professionals will ensure, you receive a world-class expertise throughout every stage of the manufacturing. We are proud on our dedication & commitment towards our clients. We aim to lead the market with our flexibility, expertise and continued technology up gradation with commitment to complete all scale of projects up to the satisfaction of our clients. PRODUCTS CHEMICAL EARTHING ELETRODE ESE LIGHTNING ARRESTER PLATE EARTHING GI PIPE EARTHING COPPER CHEMICAL EARTHING ELECTRODE GI CHEMICAL EARTHING ELECTRODE CONVENTIONAL LIGHTNING ARRESTER COPPER BONDED EARTHING ELECTRODE MOBILE EARTHING CATALOG SN EARTHING MODEL NUMBER SN Engineering Flat in Pipe Earthing Electrode MODEL LENGTH INNER STRIP OUTER PIPE SNE- 4 G 2 Mtr /3 Mtr 25x6mm 48MM SNE – 5 G 2 M/ 3 Mtr 25x6mm 58mm SNE – 7 G 2 mtr / 3mtr 50x6mm 77mm SNE – 4 CU 2 Mtr /3 Mtr 25x3mm 40mm SNE – 5 CU 2 M/ 3 Mtr 25x3mm 50mm SNE – 7 CU 2 mtr / 3mtr 50x6mm 77mm SN Engineering Copper Bonded Earthing Electrode MODEL LENGTH INNER STRIP OUTER PIPE SNE- 4 CB 2 Mtr /3 Mtr 25x6mm 48MM SNE – 5 CB 2 M/ 3 Mtr 25x6mm 58mm SNE – 7 CB 2 mtr / 3mtr 50x6mm 77mm SN Engineering Pipe in Pipe Earthing Electrode MODEL LENGTH INNER Pipe OUTER PIPE SNE- 4 GP 2 Mtr /3 Mtr 25mm 48MM SNE – 5 GP 2 M/ 3 Mtr 25mm 58mm SNE – 7 GP 2 mtr / 3mtr 40 mm 77mm SNE – 4 CUP 2 Mtr /3 Mtr 20mm 40mm SNE – 5 CUP 2 M/ 3 Mtr 25mm 50mm SNE – 7 CUP 2 mtr / 3mtr 40mm 77mm DRAWING SN EARTHING ELECTRODE Hole 10mm In Internal Strip Or Pipe Outer Pipe Filled with conductive compound Base WHY SN ENGINEERING THE CONCEPT OF SN ENGINERRING IS TO NOT PROVIDE EARTHING ONLY. BUT PROVIDE EARTHING SOLUTION AS PER APPLICATION AS WELL AS COST EFFECTIVE SN Earthing Is Specialization in Power Earthing for Ht Lt Like Thermal Plant 2000 MVA transformer Earthing Supply of SN Make Advance Maintenance free chemical gel earthing electrode 90mm dia 3 mtr long internal strips 75x10mm with 3 bag of bfc compound Earthing Value in Tripod Earthing Less Than 1 ohm Life 20years INDUSTRIAL TRANSFORMER EARTHING SN Engineering is only a company which prepare Specialized Earthing for Transformer neutral and Body Earthing We Prepare Transformer earthing with 80mm heavy pipe with the internal strip 50x6mm with 2 bags of Bfc compound Earthing Value in Grid of 2 earthing Less than 2 Ohm Earthing Life 15 Years INDUSTRIAL GENERATOR EARTHING SN Engineering is only a company which prepare Specialized Earthing for Generator neutral and Body Earthing We Prepare Generator earthing with 80mm heavy pipe with the internal strip 40x6mm with 2 bags of Bfc compound Earthing Value in Grid of 2 earthing Specification Technical Specification of SN Chemical Gel Earthing 1. The system should be of Flat in pipe technology, and pipe in pipe technology 2. The SN Advance Earthing shall be of construction Pipe technology with the lead terminal at the top. the outer shell shall be 58mm dia with lead terminal of 50x6mm 3. The SN Advance Electrode shall be surrounded by “BFC” resistance lowering grounding minerals to increase the overall conductive surface area in order to lower the ohmic value and also to minimize the corrosion process. 4. The Advance Electrode shall be of highly conductive 5. BFC – resistance lowering grounding minerals should be of specially developed electrolytic gel which should be of highly conductive. The compound made of natural minerals - mixture of Sulphate, Silica, Alumina, Iron Oxide, Titanium Oxide, Calcium Oxide, Magnesium Oxide, Sodium Oxide, Zinc Oxide, Potassium Oxide, Chloride, Nickel Oxide, etc and it absorbs the moisture from the surrounding soil and is non corrosive. 6. The loss on ignition by mass of the chemical compound SN BFC shall be less than 20%. LIGHTNING PROTECTION TECHNICAL SPECIFICATIONS FOR LIGHTNING PROTECTION SYSTEMS Direct Lightning Strike Protection System using ESE Air terminals The Direct Lightning strike protection system should be based on advance technology Early Streamer Emission designed to intercept the lightning by anticipating an upward leader by corona effect before a lightning strike and safely convey the lightning current to earth through a known and preferred route. It shall include components like air termination equipment, Air Terminal maintenance/function test meter, LCD based advanced Lightning Flash Counter, mechanical support, down conductor(s), and maintenance free earthing system based on Chemical earth enhancing compound to reduce the earth resistance and a transient earth bonding unit. The design of the components shall be in accordance with ESE standards NFC-17-102 and also proven with Indian conditions and traceable to field research, laboratory testing, fundamental analysis, and statistical levels of the lightning event. Essential Requirements for Air Terminal.  Air terminal must be Early Streamer Emission type and comply with international ESE standards such as NFC-17-102 to provide an umbrella protection against lightning strikes covering a radial distance.  Besides the real lightning tests it should also be tested in a high voltage laboratory for evaluation of gain in triggering time.  The laboratory test must be in accordance with NFC-17- 102 Appendix-C  The calculation off protection radius of the air terminal must be based on the Rolling Sphere Methodology (RSM) as per standards.  The air terminal shall be non- radioactive and require no special licensing. The materials used shall be non-corroding in all weather conditions i.e. rain, thunderstorm, snow, wind, dry and humid conditions. The air terminal must be totally Autonomous electric device collecting the energy from the ambient electrical field.  The offered air terminal must work on negative as well as positively polarized cloud discharges.  The air terminal offered must not be fitted with user replaceable parts/components such as batteries/transducers/piezo electric cells etc. The operation of the air terminal must be purely autonomous and do not use batteries or any other external source of power for its normal operation.  The Air terminal must be capable of handling multiple strokes of lightning currents and should be maintenance free. Specifications i Type : Early Streamer Emission (ESE) Lightning Conductor Air Terminal ii ΔT value : 90 μs for protection radius upto 140 meters. 63 μs for protection radius upto 110 meters 50 μs for protection radius upto 95 meters 39 μs for protection radius upto 84 meters 20 μs for protection radius upto 58 meters iii Material used : Stainless Steel Water Proof Enclosure iv Level of Protection : Level -III protection (Standard Grade) v Height of elevation pole : 5 meter above finished roof level vi Constructional details : Central Pick-up rods, upper and lower series of electrode sand triggering device housed in a stainless steel weather proof and non-corroding Housing vii Triggering device- type : Electronic triggering device fitted inside the stainless steel housing. viii Sensors – type : Lower and upper series sensors arranged around the central pick-up rod internally connected with the triggering device for the fast sensing of atmospheric charge buildup Down conductor A good quality ISI mark PVC insulated flexible copper down conductor should be provided with suitable clamping/saddling to convey the captured energy by the ESE Air terminal to the grounding system to a maintenance free low impedance earth pit charged with chemical earth enhancing compound. ii. Two down conductors must be used if the height of the installation is more than 28 meters or the horizontal run of the down conductor is mote than the vertical height. iii Down conductors should be provided for each Air Termination as per ESE standard NFC 17-102 and should be connected to individual earth pits. iv. The size of down conductor should not be less than 50 Sq.mm. v. Down conductor used should be pure electrolytic Copper Cable with PVC insulation. vii In the final 3m to the ground and where it is exposed to human intervention, the down conductor shall be placed in a protective PVC pipe of 3mm minimum wall thickness so as to avoid mechanical damage and increase human safety. viii The down conductor should not be subject to bends of less than 0.5 meters radius. ix. The down conductor shall be secured to the structure/building by approved metallic fastenings at least every 1 meters. Earthing & Grounding i. Earth pits must be made using chemical earth enhancing compounds and must be maintenance free and tested by CPRI ii. The earth resistance of the individual earth pit must not exceed 2 ohms static impedance. iii. Earthing shall be done with copper earth tube of 2.5” dia, 8fts long, 1.6mm thick at least 3 meter depth and back filled with Chemical earth enhancing compound. iv. A 25x3mm copper strip must be securely connected to the earth tube and extended upto the earth pit chamber through a 40mm dia class B GI pipe. v. A minimum quantity of 20 Kg of Earth enhancing compound must be used per earth pit. vi. An earth pit chamber made of lockable plastic material must be used as inspection chamber. vii. General arrangement for chemical earth pit is mentioned as annexure - B Transient Earth Bonding Unit. All the equipments, structures & earth pits should be bonded together to form one complete system to ensure that there is complete continuity in the lighting protection system and thus eliminating the possibility of any flashover. However, bonding of Lightning, electrical and communication earthing should be made through a Transient Earth Bonding Unit to keep the two earths separate during normal conditions. Transient earth bonding unit should be enclosed in an IP68 Explosion proof and weather proof non corrosive enclosure. Technical Specifications for Transient earth Bonding Unit. Operating voltage : up to 230V DC Firing voltage : 230V DC Impulse firing voltage : <600V at 1kV/us Surge rating : 20KA 8/20us Rating : IP68 Connections : 6mm lugs via 10mm2 Conductor : 300mm length nom. Annexure – A SN Earthing Reputed Clients CERTIFICATION Certificate of CE ISO 9001: 2015 R ROHS CERTIFIED ISO 14001: 2015 Tin Number Copy 1 TIN COPY 2 Proprietor Aadhaar Card Proprietor PAN Card SN NEFT DETAILS Authorized Signatory PAN CARD Proprietor PAN CARD SN CANCELLED CHEQUE MSME RGISTRARION NUMBER A Type of Enterprise Micro Small Medium Manufacturing A B C Services D E F UAN HR05A0002844 Udyog Aadhaar Memorandum 1. Aadhaar Number 597553421675 2 Name of Entrepreneur REETU SHARMA 3 Social Category GENERAL 4 Name of Enterprise S.N ENGINEERING 5 Type of Organization PROPRIETARY 6 Postal Address PLOT NO-880, SECTOR-10, NEAR EURO INTERNATIONAL SCHOOL , GURUGRAM HARYANA . District GURGAON State HARYANA PIN 122001 Mobile No: 9990645119 Email: EARTHINGSS@GMAIL.COM 7 Date of commencement 03/02/2011 8 Previous Registration details-if any :: 9 Bank Details IFS Code HDFC0001002 Bank Account: 10022560001252 10 Major Activity MANUFACTURING 11 National Industry Classification Code Two_DigitActivity Four_DigitActivity Five_DigitActivity Activity Manufacture of electrical equipment Manufacture of other electrical equipment Manufacture of other electrical equipment Manufacturing 12 Persons employed 3 13 Investment (Plant & Machinery / Equipment’s) 1 (Rs. In Lakhs) 14 District Industry Centre GURGAON GOVERMETN PURCHASE ORDER COPY RAJIV GANDHI THERMAL PLANT EARTHING WORK PWD KARNAL LIGHTNING ARRESTER AND EARTHING WORK ORDER PANIPAT THERMAL PLANT RAJIV GANDHI THERMAL PLANT SN Engineering Specialized Earthing For Heavy Electrical Installation Hole 10mm Internal earthing strip75x10mm Outer Pipe 90mm 3.6mm Filled With Conductive Compound Base You are a most valued customer for us, Thanking You Assuring you our best service at all the time ALL SN Engineering Team With Warm Regards Sheel Kauhsik Owner SN Engineering 9990645119