Kerala State Council For Science Technology And Environment Tender

Providing and laying 12 mm cement plaster of mix 1:4

SITC of factory assembled DX type 30,000 btu Refrigeration unit operating temperature +2 to 16 degre ) on R404 complete as specified and comprising as under .All frames supports shall be of Galvanised steel all units shall comply to ECBC norms with regard to its energy efficiancy…Hermetically sealed energy efficiant reciprocating compressor as specified operating on R 404......Air cooled condensor with low noise fan and corrossion resistant blue fins ...Indoor unit(4500 cfm) with centrifugal DIDW blowers , high efficiancy DX cooling coil , 20 micron washable flat pre filters , insulated sanviched drain pan and pendant remote control.... Indoor and out door units casing shall be of GSS construction with powder coated finish....Necessaray mountig arrangements for indoor and out door units with suitable vibration isolaters......Micro processor based control centre with all necessary controls and protecive devices, thermal protection for compressor......Insulated refrigerant piping out of soft drawn copper pipes using 5/8" and 3/8"duly insulated with13 mm nitrile rubber pipe sleeves.1 year warranty

Wiring for light point/fan point/exhaust fan point/ call bell point with 1.5 sq mm FRLS PVC insulated copper conductor single core cable in surface/recessed medium class PVC conduit , with modular switch, modular plate , suitable GI box and earthing the point with 1.5 sq. mm. FRLS PVC insulated copper conducter single core cable etc. are required.

Supplying and drawing following sizes of FRLS PVC insulated copper coductor, single core cable in the existing surface/recesed PVC conduit as required 5X4 sq. mm

Supplying and fixing of following sizes of medium class PVC conduit along with accessories in surface/recess including cutting the wall and making good the same in case of recessed conduit as required. 25 mm

Supplying and fixing 5 amps to 32 amps rating, 240/415 volts, “C” curve, miniature circuit breaker suitable for inductive load of following poles in the existing MCB DB complete with connections, testing and commissioning etc. as required. Single pole

double pole

Tripple pole

Tripple pole and Neutral

Supplying and fixing following rating, four pole, (3 phase and neutral), 415 volts, residual current circuit breaker (RCCB), having a sensitivity current upto 300 milliamperes in the existing MCB DB complete with connections, testing and commissioning etc. as required. 40A

Supplying and fixing following way prewired TP&N MCB distribution board Vertical Type of steel sheet for 415 volts on surface/ recess complete with loose wire box, terminal connectors for all incoming and outgoing circuits, duly prewired with suitable size FRLS PVC insulated copper conductor up to terminal blocks, tinned copper bus bar, neutral link, earth bar, din bar, detachable gland plate, interconnections, powder painted including earthing etc. as required.(But without MCB/ RCCB/ Isolator). 8 way (4 + 24), Double door

Providing and fixing 2mm thick aluminium chequered plate of approved pattern & design after laying puf slab and mica sheets, made out of machine cut aluminium sheet and machine holed for receiving dash fastener, over expansion joints on vertical surfaces/ ceiling and floors, the fixing on plate in one row on one side of joint only shall be done with stainless steel dash fastners of 8 mm dia and 75 mm long bolt including providing aluminium - washers 2 mm thick 15 mm dia, at a staggered pitch of 200 mm centre to centre including drilling holes in the receiving surface and providing expandable plastic sleeves in holes etc. complete as per direction of Engineer -in-charge.