Replacement of old and worn out Steel Structure Foundation of Cooling Towers of Central AC Plant of Library Building at IIT Delhi.

Amount

1) Structural steel work riveted, bolted or welded in built up sections, trusses and framed work, including cutting, hoisting, fixing in position and applying a priming (Make-TATA Steel, Sail, Jindal, ISI Marked) (H section ) size 10 -12 MM thick sheet Width -260 mm, Height-250 mm )

2) Reinforced cement concrete work in beams, suspended floors,roofs having slope up to 15°landing ,balconies, shelves,chajjas,lintels,bands,plain window sills, staircases and spiral stair cases above plinth level up to flor five level ,excludung the cost of centering, Shuttering, finishing and reinforcement with 1:.5:3 (1 cement :1.5 coarse sand(zone-III) :3 graded stone aggregate 20 mm nominal size).

3) Steel reinforcement for R.C.C. work including straightening,cutting,bending,placing in position and binding all complete above plinth level. Thermo-Mechanically Treated bars of grade Fe-500D or more.

4) Centering and shuttering including strutting,propping etc.and removal of form for: Columns, Pillars,Piers, Abutments, Posts and Struts

5) CEMENT PLASTER WITH A FLOATING COAT OF NEAT CEMENT12 mm cement plaster finished with a floating coat of neat cement of mix : (1 cement: 3 fine sand)

6) Demolishing R.C.C. work manually/ by mechanical means including stacking of steel bars and disposal of unserviceable material within 50 metres lead as per direction of Engineer - in- charge.

7) Dismantling and shifting of FRP cooling tower (130 TR capacity) from the existing foundation . and re assembling and re installation the cooling tower on new steel structure foundation with FRP water basin, PVC filling with integral louvers and drift eliminator complete with hot water basin either fitted with spray nozzles, statically and dynamically balanced axial flow type fan-direct driven or driven through reduction gear box with TEFC induction motor, suction screen, make up-quick fill arrangement, overflow and drain connections with necessary valves and suitable inspection ladder, access arrangement for cooling tower interior, cement concrete foundation, steel/masonry supporting structure, anti-vibration mountings etc. complete as per as required at site if any type of material or equipment required for re assembling and re installation shall be born by the firm.

8) Replacement ,Supplying, fixing, testing and commissioning of condenser water pipes of following sizes of MS 'C' class along with necessary clamps, vibration isolators and fittings such as bends, tees etc. but excluding valves, strainers, gauges etc. adequately supported on rigid supports duly painted/buried in ground excavation and refilling etc. as per specification and as required complete in all respect. Note:-The Pipes size 150mm & below shall be M.S. 'C' class as per IS : 1239 and pipes size above 150mm shall be welded black steel pipe heavy class as per IS: 3589, from minimum 6.35mm thick M.S. Sheet for pipes upto 350 mm dia. And from minimum 7mm thick MS sheet for pipes of 400 mm dia and above. a) 150 mm dia MS C class pipe

b) 100 mm dia MS C class pipe

9) VALVES WITHOUT INSULATION Replacement ,Supplying, fixing, testing and commissioning of following valves, gauges and strainers for condenser water circulation as per specifications. BUTTERFLY VALVE (MANUAL) with C I body SS disc nitrile sheet & O - ring & PN 16 pressure rating as specified. a) 150mm dia.

b) 100 mm dia.

10) Replacement ,Supplying installation Testing and Commissioning of M.S. Expansion Tank of size 0.6 M X 0.6 M X 0.6 M height made of 3 mm thick MS sheet ‘C’ Class Complete with 50 mm thick Expanded polystyrene (TF Quality) Insulation covered with vapour barrier, 0.5mm X 20 mm Gl wire mesh netting plastered and complete with vent and drain connections, quick – fill with float valve and control valves etc as required.

Sujit Electricals and Airconditioning Works

SADHANU ENTERPRISES