Central Board Of Secondary Education Tender

Dismantling tile work in floors and roofs laid in cement mortar including stacking material within 50 metres lead. For thickness of tiles 10 mm to 25 mm

Dismantling G.I. pipes (external work) including excavation and refilling trenches after taking out the pipes, manually/ by mechanical means including stacking of pipes within 50 metres lead as per direction of Engineer-in-charge : 15 mm to 40 mm nominal bore

Dismantling C.I. pipes including excavation and refilling trenches after taking out the pipes, manually/ by mechanical means breaking lead caulked joints, melting of lead and making into blocks including stacking of pipes & lead at site within 50 metre lead as per direction of Engineer-in-charge: Up to 150 mm diameter

Brick work with common burnt clay machine moulded perforated bricks of class designation 12.5 conforming to IS: 2222 in superstructure above plinth level up to floor five level in cement mortar 1:6 (1 cement : 6 coarse sand) : 6.3.1 With F.P.S.(non modular) bricks

Making chases up to 7.5x7.5 cm in walls including making good and finishing with matching surface after housing G.I. / CPVC pipe etc.

P/F Stainless Steel hings of 450mm in door approved by Engineer In-Charge

P/F Stainless Steel handle of 450mm in door approved by Engineer In-Charge.

Renewing glass panes and refixing existing wooden fillets: 14.7.1 Float glass panes of nominal thickness 4 mm (weight not less than 10kg/sqm) sqm 1055.20 14.7.2 Float glass panes of nominal thickness 5 mm (weight not less than 12.5kg/sqm)

Providing and fixing 150 mm bright finished floor brass door stopper with rubber cushion, necessary brass screws etc. to suit shutter thickness complete

Providing and laying in situ seven course water proofing treatment with APP (Atactic poly-propylene) modified Polymeric memberane over roof consisting of first coat of bitumen primer @ 0.40 litre per sqm, 2nd, 4th & 6th courses of bonding material @ 1.20 Kg/sqm, which shall consist of blown type bitumen of grade 85/25 conforming to IS : 702, 3rd and 5th layers of roofing membrane APP modified Polymeric membrane 1.5 mm thick of 2.25 Kg/sqm weight consisting of five layers prefabricated with centre core as 20 micron HMHDPE film sandwiched on both sides with polymeric mix and the polymeric mix is protected on both side with 20 micron HMHDPE film. 7th, the top most layer shall be finished with brick tiles of class designation 10 grouted with cement mortar 1:3 (1cement : 3 fine sand) mixed with 2% integral water proofing compound by weight of cement over a 12 mm layer of cement mortar 1:3 (1 cement : 3 fine sand) and finished neat (item of laying brick tiles shall be paid for separately).

Providing & Fixing of Roller blinds make (Vista, Mac, Classic) i/c aluminum channel fixed with M.S. clamp etc. complete as per direction of engineer In- Charge and following specification. Openness Factor-0% UV Resistance: - Test Method AATCC-16, 1500+hrs. Thickness:-022”(0.559mm)+5% Abrasion Rating:- ASTM-4157 to 40,000 rubs Hydrostatic:- AATCC-127 Method B . : wrap 40.6 cm. Puncture Strength:- ASTM- 751:,38 lbs, Tear Strength :- ASTM D-2261:, wrap 11.5, lbs, fill 7.7 lbs. Tensile Strength:- ASTM D-5034 Grab:, wrap 287 lbs, fill 149 lbs.

Polishing in high gloss/matt finish melamine clear polish on wood work in required color/wooden shade texture with following process in the sequence as detailed below: 1. The surface to be polished is rubbed with sand paper 80/120 no. and then with sand paper of 160/180 nos. 2. Applying two coats of sealer with spray gun and allowing sufficient drying time for 1st coat and 2nd coat is allowed to dry for 8 to 12 hrs. 3. On drying of sealer coat, wet rubbing with emery cloth of finer grading with ample water to remove excess sealer layer and make the surface further smooth after this wet rubbing, then surface is applied with special grade melamine fillers to fill all the small and big holes/grooves etc. Filler coat to be allowed to dry for 4 to 6 hrs on which again a light wet rubbing is done this surface is further allowed to dry for 12 hrs. 4. On this, 1st coat of melamine polish is applied with spray gun using melamine clear polish and melamine thinner in required proportion. This 1st coat is allowed to dry for24 hrs then this dry surface is again fine wet rubbed smooth which is further allowed to dry for 12 hrs. The final melamine polish is applied with compressor pressure spray gun using melamine clear polish and melamine thinner mixed in required proportion complete as per direction of Engineer-in-Charge. (Final coat to be done in 1 or 2 layers without gap of time.)

Providing and fixing S.S door stopper with rubber cushion including necessary screws etc. all complete

Providing and laying vitrified floor tiles in different sizes (thickness to be specified by the manufacturer) with water absorption less than 0.08% and conforming to IS: 15622, of approved make, in all colours and shades, laid on 20mm thick cement mortar 1:4 (1 cement : 4 coarse sand), jointing with grey cement slurry @ 3.3 kg/ sqm including grouting the joints with white cement and matching pigments etc., complete 11.41.1 Size of Tile 500x500 mm sqm and as per requirement

Providing and laying 60mm thick factory made cement concrete paver block of approved shape and colour of M -30 grade made of C&D waste by block making machine with vibratory compaction laid in required pattern and including over 50mm thick compacted bed of coarse sand, filling the joints with fine sand etc. all complete as per the direction of Engineer-in charge

Providing and laying in position cement concrete of specified gradeexcluding the cost of centering and shuttering - All work up to plinth level : 1:2:41 cement : 2 coarse sand (zone-III) : 4 graded stone aggregate 20 mm nominal size)

Demolishing brick work manually/ by mechanical means including stacking of serviceable material and disposal of unserviceable material within 50 metres lead as per direction of Engineer-in-charge. 15.7.4 In cement mortar

Removing dry or oil bound distemper, water proofing cement paint and the like by scrapping, sand papering and preparing the surface smooth including necessary repairs to scratches etc. complete.

Providing and applying white cement based putty of average thickness 1 mm, of approved brand and manufacturer, over the plastered wall surface to prepare the surface even and smooth complete.

Applying one coat of water thinnable cement primer of approved brand and manufacture on wall surface :Water thinnable cement primer

Distempering with 1st quality acrylic distemper (ready mixed) having VOC content less than 50 gms/litre, of approved manufacturer, of required shade and colour complete, as per manufacturer‟s specification Two or more coats on new work.

Providing & fixing polished Granite stone of all colour and texture as per approved sample over RCC Platform including cutting holes for sanitary/ plumbing works with edge moulding etc. all complete as per direction of Engineer-In-Charge.

Exhaust fan all complete as per approved make model and directions of Engineer-In-Charge. (Usha/Havells/Anchor/ Crompton/ Power pack)

Providing and fixing Chlorinated Polyvinyl Chloride (CPVC) pipes, having thermal stability for hot & cold water supply, including all CPVC plain & brass threaded fittings, including fixing the pipe with clamps at 1.00 m spacing. This includes jointing of pipes & fittings with one step CPVC solvent cement and testing of joints complete as per direction of Engineer in Charge.. Internal work as mentioned below (a). 20 mm nominal outer dia pipes.

(b). 25 mm nominal outer dia pipes

Providing & fixing ISI marked 110mm dia heavy duty 6 KG pressure PVC pipe for drainage purpose in WC area of approved brands and manufacture etc. all complete as per directions of Engineer-In-Charge.

Providing and fixing C.P. brass long body bib cock of approved quality. 15 mm nominal bore. Note:- Approved brand shall be jaquar, roca, Kholer, Hindware only.

Providing and fixing C.P. brass angle valve of approved quality. 15mm nominal bore (a) Single way :- (Weight not less than 600 Gm) Note:-Approved brand shall be jaquar/Parryware/ Hindware only.

(b) Two way Angle valve:- Note:-Approved brand shall be jaquar/ Parryware/ Hindware only.

Providing and fixing C.P. brass Long body Pillar cock of approved quality. 15 mm nominal bore Note:-Approved brand shall be jaquar / Hindware/ Parryware only.

Providing and fixing of stainless steel CP cockroach jali with double layer. Note:- Approved brand shall be chilli & Bath only

White vitreous china Orissa pattern W.C. pan of Size 580x440 mm with integral type foot tests. Preferable brands:- Parryware/ Cera/ Hindware only.

Providing and fixing of 15mm Jet spray with 1.5 mtr. long pipe. Note:-Approved brand shall be hindware/Jaquar only

Providing & Fixing of 15mm Hand Faucet with 1.5 mtr long pipe. Note:-Approved brand shall be hindware/Jaquar only

Supply of plumber for repairing and maintenance of water supply and sanitary installations of the building as and when required (Rate shall be quoted for per day basis) (Skilled)