REPAIR MAINT OF CENTRAL HEATING PLANT AND HOT WATER PLANT UNDER GE AF SRINAGAR

S&F in replacement of 150 mm dia wafer-type cast iron butterfly valve, PN 16, short pattern, with SG iron disc and Nitrile/EPDM rubber-lined seat, complete in all respects, as specified and directed.

S&F in replacement of 100 mm dia wafer-type cast iron butterfly valve, PN 16, short pattern, with SG iron disc and Nitrile/EPDM rubber-lined seat, complete in all respects, as specified and directed.

S&F in replacement of 80 mm dia wafer-type cast iron butterfly valve, PN 16, short pattern, with SG iron disc and Nitrile/EPDM rubber-lined seat, complete in all respects, as specified and directed.

S&F in replacement of 65 mm dia wafer-type cast iron butterfly valve, PN 16, short pattern, with SG iron disc and Nitrile/EPDM rubber-lined seat, complete in all respects, as specified and directed.

S&F in repair of 100 mm dia wafer-type cast iron dual-plate NRV/check valve, PN 16, spring-loaded type, with ductile iron discs and EPDM rubber-lined seats, complete in all respects, as specified and directed.

S&F in replacement of steel structure comprising angle iron 50 x 50 x 6 mm and ISMC 75 x 40, fabricated in various forms of brackets for supporting MS pipes inside and outside the hangers, including cutting, welding, fixing and painting, complete in all respects, as specified and directed. Note:- Cutting of steel sections to the required sizes and shapes, fabrication in the required form, welding, fixing, dressing and painting, including all labour, materials, tools and tackles required for completion of the work, shall be deemed to be included in the quoted rate.

GLYCOL CHARGE Supplying, mixing and filling of Mono Ethylene Glycol (MEG) concentrate, complete with necessary additives and inhibitors conforming to IS 5759:2006, in suitable condition and supplied in sealed barrels. The prepared glycol mixture shall have a freezing temperature below (-)07°C, complete in all respects, as specified and directed. Mode of Measurement, Payment and Operations Note: (a) Only Mono Ethylene Glycol (MEG) in concentrated form shall be measured and paid for under this item. (b) The cost of materials and labour required for mixing, preparation and filling of the glycol charge, including preparation of the total quantity of glycol mixture required for the initial filling and operation of the CHS plant and associated network, shall be deemed to be included in the quoted rate. The glycol mixture shall comprise 70% treated water available at site and 30% Mono Ethylene Glycol concentrate supplied under this item, so as to achieve a freezing temperature below (-)07°C. (c) Treated water required for preparation of the glycol mixture shall be supplied by MES at no extra cost under this item. The water shall be made available at a point as decided by the GE. The quoted rate shall be deemed to include the cost of transportation of water from the designated take-off point to the place of mixing/filling, including all associated labour, tools and tackles. (d) The cost of all necessary additives and inhibitors, as required to comply with the relevant provisions of IS 5759:2006, shall be deemed to be included in the quoted rate. (e) Empty barrels/containers in which the Mono Ethylene Glycol is supplied shall become the property of the Contractor. (f) The labour required for preparation, mixing, handling, transportation and filling/pouring of the Mono Ethylene Glycol (MEG) and treated water mixture into the CHS plant and associated network shall be deemed to be included in the quoted rate.

Supplying, fixing, laying, connecting and testing of MS ERW Class ‘C’ 150 mm dia pipe, complete with necessary fittings, duly insulated with 19 mm thick closed-cell elastomeric Nitrile insulation of density 30 to 40 kg/m³, laid underground/in floor, including all necessary jointing, supports, clamps and accessories, complete in all respects, as specified and directed. Note: The cost of 19 mm thick closed-cell elastomeric Nitrile insulation, including all materials, application, jointing and accessories, is deemed to be included in the quoted item rate.

Supplying, fixing, laying, connecting and testing of MS ERW Class ‘C’ 125 mm dia pipe, complete with necessary fittings, duly insulated with 19 mm thick closed-cell elastomeric Nitrile insulation of density 30 to 40 kg/m³, laid underground/in floor, including all necessary jointing, supports, clamps and accessories, complete in all respects, as specified and directed. Note: The cost of 19 mm thick closed-cell elastomeric Nitrile insulation, including all materials, application, jointing and accessories, is deemed to be included in the quoted item rate.

Supplying, fixing, laying, connecting and testing of MS ERW Class ‘C’ 100 mm dia pipe, complete with necessary fittings, duly insulated with 19 mm thick closed-cell elastomeric Nitrile insulation of density 30 to 40 kg/m³, laid underground/in floor, including all necessary jointing, supports, clamps and accessories, complete in all respects, as specified and directed. Note: The cost of 19 mm thick closed-cell elastomeric Nitrile insulation, including all materials, application, jointing and accessories, is deemed to be included in the quoted item rate.