PROVN OF CHIMNEY FOR INCINERATOR AND SPL REPAIR TO ROOF OF VARIOUS BLDGS AND BASKETBALL COURT UNDER AGE B R II AND AGE E M OF GE BENGDUBI

Amount

Supply only polyester triangular fibres as secondary reinforcement in all types of concrete and mortars as approved by GE.

M&L for brickwork with old size fly ash bricks, straight or curved on plan exc 6m mean radius, built in cement mortar 1:6 complete all as specified and directed.

M&L for making good under cills or over arches, lintels and bressummers. including all pinning in cement mortar 1:4 when necessary complete all as specified and directed.

S&F Mild steel rag or lewis bolts, screwed one end,with hexagonal or square nuts and washers, the other end enlarged and jagged or lewised, n exc 30cm long and Diameter of neck in 20mm complete all as specified and directed.

M&L for rolled sections as in main and cross beams, hip and jack rafters, purlins where connected to comman rafters and running rails fixed with angle cleats or other connecting plates conforming to Fe 410 W (Gde E-250) quality-A including welded to rafter,purlin complete all as specified and directed.

S&F Pre- painted coloured trapezoidal profiled Galvalume/ Zincalume sheet with min thickness 0.50mm TCT confirming to IS - 513(AZ-150 GSM, Al Zn allay metalic coating with 550 Mpa yield stress as per AS-1397) as in roof covering/cladding to wall, fixed with self tapping screws colour exterior coat of silicon modified polyster/BHP x RW paint system 20 micron top coat applied over 5 micron primer and 5 micron polyster back coat applied over 5 micron primer , all fixed with galvanized self drilling self tapping fastner (12-14 x 55 with EPDM seals) complete all as specified and directed.

S&F Pre- painted coloured plain sheet Galvalume/ Zincalume sheet with min thickness 0.50mm TCT confirming to IS - 513(AZ-150 GSM, Al Zn allay metalic coating with 550 Mpa yield stress as per AS-1397) as in roof covering/cladding to wall, fixed with self tapping screws colour exterior coat of silicon modified polyster/BHP/ XRW paint system 20 micron top coat applied over 5 micron primer and 5 micron polyster back coat applied over 5 micron primer , all fixed with galvanized self drilling self tapping fastner (12-14 x 55 with EPDM seals) complete all as specified and directed.

M&L for two coats of synthetic enamel paint over one coat of red oxide on new steel surfaces of any description over 10cm in width or girth including preparation of surfaces complete all as specified and directed.

Demolition of Brickwork or stone/boulder masonry, built in cement mortar including all quoins, arches, pillars, etc, but excluding ashlar facings,dressed stonework and precast concrete articles complete all as specified and directed.

Demolition of cement (unreinforced) concrete in ground floor and paving n.exc 15 cm thickness( below or above ground level) complete all as specified and directed.

Dismantling wrought iron or mild steel work of any description not otherwise provided for complete all as specified and directed.

Dimantling of Asbestos cement (corrugated,semi corrugated, etc.) sheets in roof coverings including ridges etc complete all as specified and directed.

M&L for 50 mm thick PCC 1:2:4 type B1 (using 20 mm graded stone agg) as in flooring/paving mixed with polyster triangular fibre etc complete and finish the concrete surface even and smooth without using extra cement complete all as specified and directed.

M&L for rendering 15 mm thick in cement mortar 1:6 on fair faces of brick work or concrete surfaces and finishing surfaces even and smooth without using extra cement complete all as specified and directed.

Material & Labour for applying Two or more coats of 100% Premium acrylic emulsion paint having VOC less than 50 gm/litre and UV resistance as per IS 15489:2004, Alkali & fungal resistance, dirt resistance exterior paint of required shade (Company Depot Tinted) with silicon additives @ 1.43 litre/ 10 sqm over and including priming coat of exterior primer applied @ 0.90 litre/ 10 sqm over new surfaces. complete all as specified and directed.

M&L for basket ball poles of standard size made with MS heavy strength of round and square pipe including dunking ring & net and all required accessories etc complete all as per manufacturers description including two coat of synthetic enamel paint over a coat of red oxide primer of basket ball poels including necessary earth work and PCC1:2:4 type B2 using 20mm graded stone aggregate for fixing of poles complete all as specified and directed.

Dismantling of existing chimney complete without foundation, civil foundation work etc safely without any damage to the neighboring equipments/buildings/structures by using telescopic crane or Derek pole system complete and removing unserviceable materials from site complete all as specified and directed. Note: Precautions measures shall be taken during dismantling of the existing chimney to avoid damage to the existing serviceable equipments/strucrture etc. Any damage to the existing equipment/structure during dismantling of existing chimney shall be repaired by the contractor without any extra cost to the Dept up to the satisfaction of Engr-in-Charge.

Supply, Installation, commissioning and testing self supported chimney for incinerator made out of mild steel plate with rubber lined, height of chimney shall be 30 metres with the bottom one third (10 metres) shall be of conical shape made out of 10 mm thickness mild steel plate and remaining two third (20 metres) shall be of cylindrcal shape made out of 8mm thick plate for 5 metre (10 metres height to 15 metre heights ) remaining 15 mtrs height shall be made out of 6 mm thick MS plate. The base plate of the chimney shall be double breast type with an outer dia of 1200mm, The core base diameter at bottom shall be 800mm and the top of the chimney shall be 300mm dia with internal rubber lining. The chimney shall be provide with necessary sampling ports, platform, ladder upto sampling port, aviation lightening at top of the chimney including weather proof cable of appropriate size, lightening arrestor with GI earthing strip. Additional guy ropes of 2 sets of 3 each shall also be provided for extra safety. The rubber lining of chimney shall be of natural hard rubber 3 mm thick as per CPCB specifications. The chimney shall be painted with two coats of heat resistance aluminium paints over a coat of red oxide zinc chrome primer (internally and externally ) complete all as specified and as directed. Note: (i) The contractor shall ensure the fabrication and errection of chimney strictly as CPCB norms. (ii) The Drawing of chimney shall be got approved from the Accepting officer before starting fabrication of chimney. (iii) The erection and installation of chimney shall also be got passed from the Accepting officer.

Dismantling and overhualing of FD & ID fan and necessary replacement of bearings and other damaged parts such nuts, bolts, washers, including shaft for fan made of SS 316 as per the existing size, specification and replacement of SS impeller as per the latest CPCB specifications and re-fixing the complete unit and balancing of the fan complete all as specified and as directed.

Inspection, checking and Servicing the both chambers including taking out secondary burner from furnance chamber and repair/replacement of unserviceable parts of photo cell-01No, thermo couple-01No, diffuser plate-01No, electrode-02No, nozzel 3.5-01No, taflon hose 1/4-01No, LOA unit 24-01No and refixing including sevicing of digital control panel, tempeature indicating controller complete all as specified and directed.

Taking out of unservicable droplet separator from existing unit by opening connected ducting pipe and accessories further dismantaling the same and taking out unservicable materials cleaning flue gas ducting system, servicing, repairiring, welding, greasing , lubricating, refixing the same with servicable items including repair / replacement of butterfly valve of existing size with bends minor accessories nut bolts gasket etc to match the existing system complete all as specified and as directed.

Taking out unserviceable re-circulation water tank and scrubber unit completely from existing system further dismantaling the same and taking out unserviceable and seviceable accessories keeping aside for reuse. cleaning, serviceing, repairing , welding, greasing, lubricating, and refixing the same with servieceable items including repair/replacement of unserviceable all parts, level guage, nozzel, nut bolts and as per required spare parts to complete serviceing etc and to match the existing system complete all as specified and directed.

(Note : The Scope of Work contained in 'Sch of Credit' amounting to Rs. 1,19,310.00 (refer Tender Srl Page No 22). The Quoted sum shall be arrived at after deducting the amount of “Sch of Credit” from the total amount of the ‘BoQ’

M/S G D CONSTRUCTION (BID ID -3099981)

CHAKRABORTY AND SONS (BID ID -3096855)

M/S R. K. INDUSTRIES (BID ID -3100033)

M/S GENERAL TRADERS (BID ID -3100170)

M/S K M CONSTRUCTION (BID ID -3100291)

M/S BENGAL ENGINEERING ENTERPRISES (BID ID -3096852)

GAYATRI BUIDERS (BID ID -3099996)

M/S Vaishno Constructions (BID ID -3096720)