Bid Document - Central Institute of Plastics Engineering & Technology

More documents

Recommendations

Info

volts megger.iii) Insulation resistance of control wiring with 500V megger shall be measuredwhich shall not be less than one mega ohm.13.9 FUNCTIONAL TEST:i) Functional tests in respect of various components like controls, inter locks, measuringdevices, battery charger and annunciation devices shall be considered.13.10 BATTERY TEST:i) The batteries shall be tested for six successive attempts for starting of engine in orderestablish healthy condition of battery.14.0 SPECIFICATION FOR SOUND PROOF ENCLOSURE FOR E/A SET.1. The canopy should be sound proof, weather proof and environment fr iendly. And made of notless than 1.6 mm thick M.S.Sheet & Powder coated.2. The sound proof canopy shall meet the requirements of Environmental (protection) Rules1986 as laid down by Ministry of Environment and Forests read with GSR-371(E) dated17.2.2002, GSR520(E) dated 1.7.2003 and GSR 448(E) dated 12/7/2004 in respect of noiselevel for the E/A sets or as amended and applicable at the time of supply.3. The canopy shall be designed for maximum permissible sound pressure level for D.G. setsshall be 75 dB (A) at One meter from the enclosure (canopy) surface. The D.G. set shall beprovided with proper exhaust muffler with insertion loss of minimum 25dB ( A).4. Suitable see through window made of transparent polymer sheet/heat resistant glass ofthickness not less than 10 mm for visibility of meters/indications etc. on control panel shall beprovided.5. The door s shall be double walled and openable for easy access to virtually every part of E/Aset for comfortable maintenance.6. Suitable G.I. Bus bar shall be provided in the canopy for neutral and body earthing separately.All the equipments in the canopy shall be connected together with suitable G.I. strip and in turn tothe bus bars for body earthing.H. DOCUMENTATION:1 set of following documents shall be provides with each set :-• O & M Manual of Diesel Engine• Spare parts catalogue of diesel engine• Test Certificate of diesel engine• Test certificate of Alternator• Test Certificate of D.G. SetSALIENT FEATURES OF ACOUSTIC ENCLOSUREThe acoustic enclosure is made of 14 / 16 gauge CRCA sheet. The salient features of theacoustic enclosure are:- The enclosure is of modular construction with the provision to assemble and dismantleeasily at site. The sheet metal components are ELEVEN TANK pre treated before powder coating. The enclosure is powder coated (inside as well outside) with a special pure polyesterbased powder. All nuts and bolts/external hardware are made from stainless steel. The doors are gasketed with high quality EPDM gaskets to prevent leakage of sound18
The door handles are lockable type. Sound proofing of the enclosure is done with high quality Rock wool / Mineral woolconforming to IS 8183. The rock wool is further covered with fibre glass tissue andperforated sheet. Specially designed attenuators are provided to control sound at air entry and exit points. Adequate ventilation is provided to meet total air requirement. If required, a blower isprovided to meet total air requirement. Temperature of enclosure does not exceed beyond 5 - 7°C of ambient temperature. There is a provision of emergency shut down from outside the enclosure. Noise Level is
Page 4: SPECIAL CONDITIONS/INSTRUCTIONS FOR
Page 7 and 8: In case the contractor fails to dep
Page 9 and 10: SPECIFICATIONS FOR 250 KVA DIESEL G
Page 12: shall be finished with 0.63mm (24gu
Page 17: 13.3.1 Measurements shall be taken
Page 21 and 22: 1. Check of Earth__________________
Page 24 and 25: SCHEDULE OF QUANTITIESName of Work:

Bid Document - Central Institute of Plastics Engineering & Technology

Create successful ePaper yourself

Delete template?

Save as template?