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National Thermal Power Corporation Limited

  • Opening Date

    06 Aug 2019

  • Closing Date

    21 Aug 2019

  • Tender Amount

    Refer document

  • EMD

    -

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Summary

Procurement Of Breathing Apparatus

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NTPC Limited ( A Government of India Enterprise ) Tender Enquiry No. 9900180544 Tender Enquiry 10.06.2019 Bid Opening Date: 09.08.2019 Bill of Materials ------------------------- Delivery Address: Farakka Super Thermal Power PO NABARUN MURSHIDABAD West Bengal 742236 India Tel : 03512-226815/226816 Fax: 03512-226811/226818 Item Material Code Description UoM* Total Quantity Delivery Date 00010 M6890416008 SELF CONTAINED BREATHING APPARATUS EN137 NO 8.000 30.09.2019 ( UOM Legends :- NO - Number ) Page 2 of 9 NTPC Limited ( A Government of India Enterprise ) Tender Enquiry No. 9900180544 Tender Enquiry 10.06.2019 Bid Opening Date: 09.08.2019 TECHNICAL DATA SHEET ----------------------------------------- 00010 - M6890416008 Specification (A)SPECIFICATION FOR CARBON COMPOSITE SELF CONTAINED COMPRESSED AIR OPEN CIRCUIT BREATHING APPARATUS (WITH ADSU AND CYLINDER) 1.0 SCOPE This specification prescribes requirements of design, performance and practical test for open Circuit type breathing apparatus. 2.0 GENERAL REQUIREMENT 2.1 Self Contained Breathing Apparatus (SCBA), ergonomically designed, light weight glass and carbon filled nylon composite back plate and intrinsically flame retardant 100% Kevlar webbing and 3 padded harness. Cylinder band should be made up of 100% Kevlar. Two stage pneumatic systems comprising positive pressure demand valve with hands free bypass facility, Vision 3 face masks with more than 85 % field vision and scratch resistance polycarbonate visor should be provided. Warning whistle should have an operating pressure of 55 bars. First stage pressure reducer with single high pressure cylinder connector with steel braided hose. The Apparatus is to be supplied with CCE approved 6/6.8 ltrs, 300 Bar high pressure carbon composite cylinder ( duration- 45/46 Mins). BA Set should be supply with Distress signal Unit. Back plate/Face mask/Cylinder/Main valve/ADSU should be from single manufacturer. The BA set shall be CE approved, as per EN 137 Class II 2006 Standard. The compressed air breathing apparatus shall be so designed so that the wearer can breathe comfortably, without any risk of poisonous gases entering the breathing circuit. The breathing circuit should be so designed so that there is optimum utilization of compressed air stored in the cylinder during fire fighting and rescue operations. The set as a whole shall be so designed so that the handing of the set is easy and does not cause any damage to the set. Set shall be capable of being used with cylinders having working pressure up to 300 bars at least. The BA set should have no air losses. No toxic matter can enter the mask. Back plate should be ergonomically designed for comfort and stability and there should have provision of connection between wearers. 2.2 MATERIAL 2.2.1 All the materials used in the construction shall have adequate mechanical strength, durability and resistance to deterioration by heat or by contact with seawater or plain water. Such materials shall be antistatic and fire resistant as for as practicable. 2.2.2 Exposed parts excluding cylinders, that is, those, which may be subject to impact during practical performance tests, shall not be made of magnesium, titanium, aluminum or alloys containing such proportions of these metals which on impact give rise to frictional sparks capable of igniting flammable gas mixtures. 2.2.3 Materials that may come into contact with the skin shall be non-staining, soft pliable and shall not contain dermatitis substances. 2.2.4 The apparatus shall be sufficiently rousted to withstand the rough usage it is likely to receive in service and designed so that it will continue to function satisfactorily while temporarily accidentally submerged in water at a maximum depth of one meter and thereafter until the air in the cylinder is exhausted. 2.3 SEPARATION OF PARTS The design and construction of the apparatus shall permit its components parts to be readily separated for cleaning, Examination and testing. The cou

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