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Noise & Vibration Control In
Gas Industries Industrial Plants
Commercial Buildings
TOPTECH
Brief Introduction of Toptech
Toptech Environmental Engineering Co. Ltd. (hereafter called TOPTECH) was registered in February of 1998, by a group of engineers and started as a specialized company in acoustic engineering. Although TOPTECH is young, yet it is experienced, professional, energetic and aggressive. At present, TOPTECH main business activities are Noise and Vibration control in Gas field related facilities, Industrial plants and Commercial buildings. () 87 2
TOPTECHs scope of services include the design, supply, fabrication, delivery, site erection and commissioning of noise control equipment either on individual or turnkey basis. TOPTECHs profession and accumulated experience in acoustic engineering are closely related to the following areas: - I) In Environmental Noise Controls
1. NG vent-stack silencers, inline silencers
2. Cogeneration and incinerator plants
3. Gas turbine and diesel engine driven generators
4. Industrial manufacturing plant rooms
5. Heavy duty ventilation systems of ID & FD fans
6. High pressure steam, air and gas release silencers and
7. Large cooling tower systems etc.
II) In Architectural Acoustics
1. Full anechoic and semi-anechoic rooms, Recording studios.
2. Multi-function halls and cinemas
3. Acoustic treatment for walls of offices and buildings
4. A/C plant rooms of low-rise and high-rise buildings
5. Supply and return A/C ducting systems
6. Supply and exhaust systems for underground car parks
7. Floating floor systems
8. Acoustic barriers for highway and high-speed railways etc.
Besides, TOPTECH is agent and licensor for acoustic products of Aeroacoustic Corp. of USA. As a licensor we also manufactures noise & vibration control equipment under licensee agreement. We are also agent for A/D Fire Protection Corp. (also Canada) for acoustic spray material named AD Type I. With melting point over 985, and being a Class I fire resistant material, it is excellent for noise control for both industrial and commercial plant rooms. Besides, it is also good for thermal insulation and condensation control. We are also representatives, agents or distributors of products of the following companies: Aeroacousti Corp.AD Fire Protection Corp. AD Type I 985 Applied InternationalPolymer TechnologiesEmpire Acoustical Sys. Dustex Corp. The following is the list of major and typical projects done during the last 4 years. TOPTECHs expertise and products are outlined in separate sheets attached which help clients further understand her engineering capability.
Client
Project Name
Contents
Abatement Results
Fure-lin Engineering Co.
Noise & vibration control of Ming Shan Hospital project
Turnkey of HVAC silencers, floating floors, acoustic louvers and vibration isolators.
To meet critical NC levels of 25, 30, 35 and 40 etc. at different areas NC- 25, 30, 35 & 40
Cathay Construction Co. Ltd.
Plant room noise control at Royal England Community
Silencers, acoustic louvers, acoustic doors and acoustic spray
To meet community noise level of 55 dBA 55
CTCI Corporation
GT generator room noise control for Hannstar MEP Plant
Design, supply, fabrication and erection of high temperature resistant stack silencers
To meet noise level of 70 dBA at plant boundary 70
China Ecotek Corporation
Noise control of ACC & CCCW at Lu-Choa Incinerator ACC CCCW
Design, supply and installation of waterproof acoustic panels
To meet noise level of 50 dBA at boundary 50
China Ecotek Corporation
Overall plant noise control for Kangshan Incinerator
To design, fabricate and install acoustic louvers and silencers
To meet noise level of 52 dBA at boundary 52
Hwa-Tong Military Defense of Command
Noise abatement for military diesel generator room
Silencers, acoustic doors, acoustic windows and over-hung acoustic baffles
To meet noise level of 60 dBA at boundary 60
Client
Project Name
Contents
Abatement Results
United Microelectronics Corporation
Noise control for power plant room
Acoustic louvers, acoustic panels and gas release silencers
To meet 85 dBA at 1 m from discharge 85
PUPS Enterprise Co. Ltd.
Noise control for gas turbine driven gensets at Chunghua Telecom
Acoustic enclosures, acoustic windows and acoustic spray
To meet 85 dBA at 1 m from discharge 85
E & C Engineering Corp.
NG supply and vent system noise control for Tung-Hsiao Power Plant
To design, supply and fabricate 3 inline silencers for PRV and 2 vent silencers 3 PRV 2
To meet 85 dBA at 1 m from downstream of silencer and 1 m from pipeline185
Lian Chiang Constr. Co.
Noise abatement for emergency gensets at Lion Head Pumping Station
To design, fabricate and install silencers and acoustic spray
To meet 85 dBA at 1 m from discharge 85
Chia Bong Constr. Co.
CPC Herng-Shan Block Station NG vent-stack silencer
To design, supply, fabricate and erect of Herng Shan NG Vent- stack
To meet 85 dBA at 1 m from discharge 85
Apex S & E Corporation
CPC high-low pressure NG vent-stack silencers at Tiehchanshan
To design, supply and fabricate of high-low pressure NG vent-stack silencer
To meet 85 dBA at 1 m from discharge 85
Client
Project Name
Contents
Abatement Results
Tau Shin Piping Constr. Co.
CPC Shair Loon NG Delivery Pipeline vent-stack silencer
To design, supply, fabricate and erect of Shair Loon NG Vent-stack
To meet 85 dBA at 1 m from discharge 85
Senior Engineering Inc. ()
CPC Tau-yuen NG delivery pipeline vent-stack silencer
To design, supply, fabricate and erect of Tau-yuen NG Vent-stack
To meet 85 dBA at 1 m from discharge 85
CTCI Corporation
Hsin Tau power station NG delivery pipeline vent-stack project
To design, supply and fabricate of Hsin Tau NG Vent-stack Silencer
To meet 85 dBA at 1 m from discharge 85
Apex S & E Corporation
EPIC Vent-stack Silencer
Design, supply, fabricate and erect of EPIC NG Vent-stack Silencer
To meet 85 dBA at 1 m from discharge 85
CPC Taiwan Market & Transport Div.
Wu-Ku and IRB NG Vent-stack Silencer Project
To design, supply, fabricate and erect of Wu-Ku and IRB NG Vent-stacks -
To meet 85 dBA at 1 m from discharge 85
Yung Loong Engrg Corp.
Chiang Bin & Fong Dar NG Delivery Pipeline vent-stack silencer -
To design, supply, fabricate and erect of Chang Bin & Fong Der NG Vent-stacks -
To meet 85 dBA at 1 m from discharge 85
Client
Project Name
Contents
Abatement Results
Yung Loong Engrg Corp.
NG vent-stack project for Taiwan Chiahui Power Plant
To design, supply, fabricate and erect of NG Vent-stack Silencer
To meet 85 dBA at 1 m from discharge 85
Der Pao Construciton Co. Ltd.
Makung Airport Terminal extension project
Acoustic spray of AD Type I material on turnkey basis AD Type I
To attain average Lp of 13 dB and Class I of fire resistance 13
Taipei First Girl High School
Noise isolation project for band practicing room
To supply and install acoustic treatment to control echo noise & RT for band practicing room
To meet requirement of NC-25 and RT60 = 0.35 sec NC-25 RT60 = 0.35 sec
Vanguard International Semiconductor Corp. (VIS) ()
Noise abatement of emergency genset room at FAB-1building FAB-1
To provide noise control equipment and acoustic barrier for UPS&D/G sets UPS D/G
To meet 50 dBA by night under EPAs control standards 50
Solomon Technology Corp.
Chiller room noise abatement for Solomon newly constructed building
To study, analyze, design, supply and install vibration isolators and silencers for chillers, pumps, fans, ductwork and pipelines
To eliminate structural-borne noise and meet NC-30 at different executive rooms.NC-30
Client
Project Name
Contents
Abatement Results
Cathay Construction Co. Ltd.
Root blower noise abatement at Hsiang Shia New Sign community
To design, supply, fabricate, install resonator silencer and enclosure
To eliminate the pure tone effect of 125 and 250 Hz 125 Hz 250 Hz
College of Medicine National Cheng Kung University
Audiometric Room for College of Medicine
To design, fabricate, install and commission an audiometric Room
Bgd. noise30 dBA, RT60 2s and STC-50 as specified. 30 dBA 2s STC-50
National Cheng Kung University
Semi-anechoic room for Cheng Kung University
To design, supply, fabricate, install and commission a semi-anechoic room
Bgd. noise15 dBA, overall room STC50 as specified.15 dBA STC 50
Solomon Technology Corp.
DG & UPS room nos