AMC of whole system at Environment Department, 5th Floor, ARDD Building, Salt Lake, Kolkata------Repair and replacement of insulation of copper pipe line of existing VRF system and allied works.

Dismantling the existing damaged insulation with necy. Tools and tackels by skilled technician as per direction of EIC.

Supply and fixing of 1-5/8" dia with 19 mm thick nitrile rubber insulation along with ancillary materials.

Supply and fixing of 1-3/8" dia with 19 mm thick nitrile rubber insulation along with ancillary materials.

Supply and fixing of 1-1/8" dia with 19 mm thick nitrile rubber insulation along with ancillary materials.

Supply and fixing of 3/4" dia with insulation along with ancillary 13 mm thick nitrile rubber materials

Supply and fixing of 5/8" dia with 13 mm thick nitrile rubber insulation along with ancillary materials.

Supply and fixing of 1/2" dia with 13 mm thick nitrile rubber insulation along with ancillary materials.

S & D of l.l KV. Gr. armored Al. LT cable of following through saddling on wall [Make: Polycab/Havells/RR Kabel) a) 4 core X 16 sq.mm

Laying of cable upto 3/4 core 25 sqmm on walVsurface incl. S & F MS saddles with earthing attachment in l0 SWG GI (Hot Dip) Wire, making holes etc. as necy. mending good damages and painting

Supplying and fixing 4 core compression type gland complete with brass gland, brass ring & rubber ring for dust & moisture-proof entry of )OPE/PVC armoured cables as below: a) 4 core X 16 sq.mm

Finishing of the OPE/PVC insulated armoured cable ends by crimping method with cable sockets and insulated tapes etc., including supplying sockets, soldering materials, tapes etc. a) 4 core X 16 sq.mm

Making one set of scaffolding only for replacing glass panels, painting, uprooting plant and another repairing works of building and S&P works for external works only with 10 cm. dia bamboo as main posts at the rate of 1 metre centre to centre and 7.5 cm. dia bamboo ties @ 0.75 metre apart fitting and fixing with necessary coir, nails etc. as per direction of the Engineer-incharge. (This item should be executed only after prior approval of the Engineer- incharge). Firstly, one number to be paid and then labour rate for shifting up to further nineteenth (19) times @ 10% each time to be considered. lf necessary further after twenty times of total use, another one number new and labour rate for shifting to be considered accordingly.' (a) 3.9 meter height

(b) Extra for additional 3.6 height or part thereof

Note: 1) All the above rates should be quoted inclusive of all taxes, duties and all ancilery charges with cost of maintenance, servicing, supply & replacement of spares for 1 (One) year from the date of commissioning.

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