We are pleased to introduce ourselves that Himech Acoustics Engineering is situated in the engineering city, Trichy, Tamilnadu, India.

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Shana Lester
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1 Dear Sir, We are pleased to introduce ourselves that Himech Acoustics Engineering is situated in the engineering city, Trichy, Tamilnadu, India. Ours is an ISO certified organization, we are adopting ASME, OHSA standards and maintaining highly effective planning standards. Please find our profile in the attachment. Though we are young, we have executed several jobs such as various types of industrial silencers, ducts and structural works as sub vendor for various organizations which are up to the satisfaction of our clients. We have understood that by having every facility at our shop and the experience gathered we can enter directly into the manufacturing of industrial silencers, acoustic enclosures, acoustic rooms, ducts and all type of structural works. We have professional team for designing, engineering, marketing, documentation to ensure timely execution of jobs. We aim to be the leader in this segment by serving our esteemed clients promptly with at most satisfaction, you can rely on us in completing the jobs in time by our planned manner where our client will get day to day updating of the work status in a prescribed format by which our client can put their responsibilities on us. We request you to send your inspection personnel to inspect our shop to approve us in your vendor list. Extending our sincere co-operation, we remain with thanks. Truly Yours, Muralidharan.B Manager - Technical & Projects M

2 HIMECH ACOUSTICS ENGINEERING COMPANY PROFILE Office Address : No : 12, Vasantha Nagar, 3 rd Cross, Viswas Nagar Extn., Karumandapam, Trichy Factory Address : No.686 / 4&5, Mookambigai Engineering College Opp.,Kalamavur Post, Pudukkottai

3 COMPANY PROFILE General Information Firm : Hi-Mech Acoustics Engineering Year of Establishment : 2011 (Hi-Mech Fabricators) Registered office : No : 12, Vasantha Nagar, 3 rd Cross, Viswas Nagar Extn., Karumandapam, Trichy. Tamilnadu India. Factory : Sr No.686 / 4&5, Mookambigai Engineering College Opp., Kalamavur Post, Pudukkottai (Dt), Tamilnadu , India. Contact Person : Mr.M.JESURAJ Designation : Managing Director Phone No : (R) / md@himechgroup.com, jesuraj@himechgroup.com Website : Number of Employees : Administrative Staff 11 Skilled worker - 18 SSI No. : E - Part II Nature of Business Design, Engineering, Manufacture and Supply of safety valve & Vent Silencers Design, Engineering, Manufacture and Supply of All type of Silencers Nature of Jobs Executed : Reference List (Enclosed) Nature of Customers : Sub Vendor List (Enclosed) Certificates: ISO Central Sales Tax Import & Export License Small Sale Industrial License Micro, Small and Medium Enterprises Banker Name : Indian Overseas Bank

4 HIMECH ACOUSTICS ENGINEERING Factory Shed Area: 2,600 Sq.ft Factory Total Area- 43,500 Sq.ft

5 Office Area: 750 Sq.ft Rest & Power Room: 1,200 Sq.ft

6 Uncovered Working Area: 38,950 sq.ft

7 List of Machinery & Handling Facilities

8 Sl.No Descriotion & Specification machines HIMECH ACOUSTICS ENGINEERING LIST OF MACHINERY & HANDLING FACILITIES Make Capacity No.of Machines. 1 Welding machine Electro Engineers 0-400A 2 2 Welding machine SRI Ram 0-400A 2 3 Welding machine SRI Ram 0-250A 1 4 Welding machine TOSHON 0-200A 1 5 Welding machine Electro Engineers 0-200A 1 6 AG7 Grinding machine KPT 2 7 AG7 Grinding machine HITACHI 2 8 AG4 Grinding machine RALLI WOLF 1 9 Pencil (or) Die Grinding machine RALLI WOLF 10 Pipe Cutting machine BOSCH 235V 50Hz 550W/2.5A Speed RPM Collet size ø6mm M15x V / 50/60Hz 10A 11 PUG cutting machine ESAB Hand cutting set 4 13 Magnetic drilling machine KPT Magnet (220/240V) 95W/12000N 1 (R.W:235V) 14 Magnetic drilling machine RALLI WOLF Magnet (220/240V) 95W/12000N 1 (R.W:235V) 15 Radial drilling machine Small column drilling machine Small (Bed & Column) drilling machine DG (Genset) KIRLOSKAR 30 KVA 1 19 Flask Oven Box Oven HP:3 Sl.No: Voltage : 220 / 250V 21 TIG set Air Compressor machine ELGI Equipment s limited 1 23 Flex Board with cable 3 Phase (3Ω) 24 Flex Board with cable 1 Phase 1 1

9 ORGANISATION CHART

10 Grinder Mr. Selvaraj Mr.Vinoth Kumar Mr.Chinnaiah Mr.Dhanapal Mr.Ajith Mr.Palanisamy ORGANISATION CHART Mr. M.JESURAJ., B.E Managing Partner Marketing Manager Mr.N.Sundar., B.E Manager Technical & Project Mr.B.Muralidharan., B.E Accounts Mr. J.Manuelraj., M.Com Office Admin Ms.A.Jenifer., B.Com., MBA Marketing Staff Ms.E.Priya., B.E Design Dept CAD Designing Ms.Kiruthiga., DCE Purchase Dept Mrs. P.Anjali., DCE Admin Staffs Mrs. Sophiya., DCE Design Staff before order Ms.B. Bharathi., BSC Production / QC Dept Mr.Jayapal., B.E Mr.Leo Anand., B.E Stores Mr. Arockiasamy Fitter Mr. S. Arockia Nathan Mr.Kumaresan Mr.Murugesan Mr.Sakthivel Welder Mr.Sivakumar Mr.Adaikalaraj Mr.Chinnathambi Mr.Kumar Mr.Saveriyar Mr.Sasikumar Mr.Veeramani

11 JOBS EXECUTED BY HIMECH Sl.No VENDOR NATURE OF JOB END CUSTOMER 1 P.R.ACOUSTICS MAIN STEAMLINE SV SILENCER M/s. TECHNIP 2 P.R.ACOUSTICS M/s. THYSSENKRUPP DRUM SV INDUSTRIES INDIA PVT LTD 3 P.R.ACOUSTICS SUPER HEATER SV M/s. THYSSENKRUPP SILENCER INDUSTRIES INDIA PVT LTD 4 P.R.ACOUSTICS STARTUP VENT M/s. THYSSENKRUPP SILENCER INDUSTRIES INDIA PVT LTD 5 P.R.ACOUSTICS WARMUP VENT M/s. THYSSENKRUPP SILENCER INDUSTRIES INDIA PVT LTD 6 P.R.ACOUSTICS MAIN STEAM STARTUP M/s. EMAMI PARI MILLS SILENCER LTD 7 P.R.ACOUSTICS STEAM BLOWING LINE M/s. EMAMI PARI MILLS SILENCER LTD 8 P.R.ACOUSTICS SRV 101 OUTLET LINE M/s. EMAMI PARI MILLS SILENCER LTD 9 P.R.ACOUSTICS SRV 102 OUTLET LINE M/s. EMAMI PARI MILLS SILENCER LTD 10 P.R.ACOUSTICS SAFETY VALVE M/s. FORBES COMPANY SILENCER LIMITED 11 P.R.ACOUSTICS STARTUP VENT VALVE OUTLET SILENCER M/s. CETHAR LIMITED 12 P.R.ACOUSTICS DRUM SAFETY VALVE OUTLET SILENCER M/s. CETHAR LIMITED 13 P.R.ACOUSTICS WARMUP VENT SILENCER M/s. CETHAR LIMITED 14 P.R.ACOUSTICS BFW TURBINE OUTLINE M/s. ISGEC HEAVY SILENCER ENGINEERING LTD 15 P.R.ACOUSTICS DM PUMP TURBINE M/s. ISGEC HEAVY OUTLINE SILENCER ENGINEERING LTD 16 P.R.ACOUSTICS FD FAN TURBINE M/s. ISGEC HEAVY OUTLINE SILENCER ENGINEERING LTD 17 P.R.ACOUSTICS HHP DRUM SAFETY VALVE SILENCER M/s. THERMAX LIMITED 18 P.R.ACOUSTICS HHP SHSV SILENCER M/s. THERMAX LIMITED 19 PK ENGINEERING VENT SILENCER M/s. UTTAM ENERGY 20 APEX HAND RAILS M/s. BHEL 21 APEX ELBOW DUCT M/s. BHEL 22 APEX D DUCT M/s. BHEL 23 APEX HOPPER DUCT M/s. BHEL 24 APEX ECO DUCT M/s. BHEL 25 APEX CONVEYER GALLERY M/s. NMDC BHEL 26 APEX T-DUCT M/s. BHEL 27 APEX ECO TRUSS M/s. BHEL

12 PRODUCT

13 START UP VENT SILENCER We are offering start up vent silencer made from high quality raw material. These start up vent silencers are produced in compliance of the rules and lodes followed in the industry as per the specification. Our vent silencers are used to control the harmful and environmentally unacceptable high frequency noise while venting the highly pressurized air, nitrogen, natural gas and other hydrocarbon gases into the atmosphere during the production process in industries. Procedure for sizing vent silencers Hi-Mech Acoustics silencers, can size any gas or steam vent application when provided the following data. Vent media (Steam or type of gas) Mass flow (Preferably in pounds per hour or kg per hour) Temperature and pressure of upstream of the control or relief valve Line connection to the vent silencer Silenced noise level requirements

SAFETY VALVE SILENCER Every industry makes use of safety valves to protect systems against over pressure when these safety valves are opened to vent steam, gas or vapor it is often accompanied by

14 SAFETY VALVE SILENCER Every industry makes use of safety valves to protect systems against over pressure when these safety valves are opened to vent steam, gas or vapor it is often accompanied by excessive noise levels. Noise level as high as 150 to 160 db (A) are not audible/unacceptable. It will affect the hearing level of employees and complaints may also be received from surrounding residential areas or factories. Hi-Mech Acoustics safety valve silencer will reduce such noise to environmentally acceptable levels. [Such as 85dB (A)] as specified by Indian pollution control boards. The following process values are required to make the appropriate selection. Medium Capacity Medium temperature Pressure before the valve and after the valve Sound level required Connection size

15 BLOW OFF SILENCER Blow off silencer is a type of vent silencer. The blow down of highly compressed vapor or gas into the open air sets kinetic energy free in the form of high amplitude pressure fluctuations. The result is an extremely high sound pressure level which must be reduced. Such emission can be very effectively be limited with blow-off silencers. For the design of the silencer the following information is needed Type of fluid (Gas or Steam) Temperature and Pressure upstream (before) valve Permissible sound pressure level at immission point (in defined distance) E.g: 85 db(a) in 1m distance Diameter of inlet nozzle

DISCHARGE SILENCER The discharge silencer is used to reduce the discharge noise of the compressor / blower when discharging fluid into process. It is constructed in circular shape.

16 DISCHARGE SILENCER The discharge silencer is used to reduce the discharge noise of the compressor / blower when discharging fluid into process. It is constructed in circular shape. The fluid passes through the annular acoustic packing where the sound energy is absorbed. The straight flow path through annular acoustic cylinder ensures minimum pressure drop. The following data are required to design discharge silencer. Flow rate Temperature Inlet size Allowable pressure drop Silenced noise level requirements

17 SUCTION SILENCER The suction silencer is used to reduce the suction noise of the compressor/ blower. It is constructed in circular shape. The fluid passes through the annular space of the acoustic packing where the sound energy is absorbed. The straight flow path through annular acoustic cylinder ensures minimum pressure drop. The following data are required to design suction silencer. Flow rate Temperature Inlet size Allowable pressure drop Silenced noise level requirements

FAN SILENCER The fan silencer is used to reduce the suction and discharge noise of the fan. It is an absorptive type silencer and is very effective for high frequency noise attenuation.

18 FAN SILENCER The fan silencer is used to reduce the suction and discharge noise of the fan. It is an absorptive type silencer and is very effective for high frequency noise attenuation. Consequently fan silencers shall be supplied in rectangular shape. The internal of fan silencer is constructed with series of rectangular baffle with aerodynamic design to offer minimum pressure drop. The following data are required to design fan silencer. Application Flow rate Temperature Fan inlet / outlet size (Depending on application) Allowable pressure drop Silenced noise level requirements

19 EXHAUST SILENCER The exhaust silencer is used to reduce the exhaust noise of the engine and turbine. The engine silencer is a combination of absorptive and reactive type silencer to attenuate high and low frequency noise. The gas turbine exhaust silencer will be absorptive type silencer. The exhaust silencer will be similar to that of vent silencer. It is generally offered in circular shape. For the design of the exhaust silencer the following information are needed Type of Fluid (Gas (or) Steam) Mass flow (Preferable in pounds per hour or kg per hour) Temperature and pressure upstream of the control or relief valve Line connection to the vent silencer Silenced noise level requirements

20 ACOUSTIC ENCLOSURE We are offering Industrial enclosure can reduce reverberation and reflected noise in industrial environments. Our design will take into consideration of verifications, access openings, doors and vision panels. We provide simple and cost effective solutions which are suitable for a variety of industrial applications. Enclosures use the modular system. The modular acoustic panels can be dismantled and re-assembled to another location without affecting the acoustic performance. Typical Acoustic Enclosure: Compressor enclosures Diesel and gas generator enclosures Acoustic enclosures for fans / blowers Acoustic enclosures for boiler feed pump.

21 GENERAL FABICATION WORK PHOTO GALARY

22 COLUMN D-DUCT

23 DUCT ECO DUCT

24 SADDLE SUPPORT HOPPER DUCT

25 SILENCER PHOTOS

ATS CHEM EQUIPMENTS PVT. LTD.,

ATS CHEM EQUIPMENTS PVT. LTD., AN ISO 9001:2015 CERTIFIED COMPANY Unit 1, C 27, SIDCO Industrial Estate, Hosur 635 126, Tamil Nadu, India. Phone No: 04344 276731, Mail ID: atschem@gmail.com Unit II, 16