Renovation of class 3 flats J87 and J96 at banks staff quarters Thamalam

Carefully dismantling/ disengaging and removing the items from interior area of flats (approx. carpet area of each flat is 550 Sqft). Details mentioned in tender dcoument

Water proofing to sunken area in Toilet, Bath room and morie area of flats by engaging approved water proofing specialized firm as per their specifications but approved by the Bank which comprises thorough cleaning of the surfaces, applying water proof chemical coating and above which plastering with CM 1:3, 15 to 20 mm thick mixed with approved make polymer to the entire floor slab of sunken portion including on all the four sides up to 150mm above proposed floor level and testing for leakage by ponding of water etc. complete. The rate shall include for filling back of the sunken portion with the old surkhi/brick bat coba, providing additional surkhi / brick bat coba wherever necessary, providing and laying flooring on top of approx. 50 to 75mm thick with CC 1:2:4 using 20mm downgraded aggregates mixed with water proofing compound of approved make etc., all complete as directed by the Bank's Engineer. Approximate plan dimensions of Toilet to be treated is 1200mm x 950mm bathroom is 1880 x 1150mm and kitchen morie is 850 x 750mm.

Supplying and laying concealed plumbing lines:- Providing, cutting, fixing, testing and commisioning concealed waterlines of 20mm diameter using C-PVC threaded pipe of SDR 11 including all the necessary specials like elbows, tees, couplings etc. All the concealed lines shall be properly fastened to the wall using GI clamps @maximum spacing of 450mm. Rate shall be inclusive of making necessary cutting and chasing on the walls to receive the plumbing lines, placing the plumbing line, properly packing using cement mortar admixed with waterproofing chemicals, pressure testing for leakage etc. Actual linear measurement shall be reckoned for payment purpose.

Providing and fixing PVC pipes of 50mm diameter (minimum test/working pressure 6 kg/sq.cm) of approved quality and make, including all fittings, of the same manufacturer of the pipes or approved equivalent for the waste lines for toilet, bathroom and wash basin and fixing the pipes with clamps at 1 mtr spacing for concealed/external work including cutting chases in the wall/ floor for concealing the pipes, connecting to duct line/manhole, including fixing pipes with concrete blocks etc. complete. The rate shall inclusive of cutting, jointing of pipes with fittings and to the existing PVC pipes in the duct with solvent cement of approved quality, and making good the damages by necessary plastering, including testing of joints/ pipelines, etc. for leakage etc. all complete as directed by the Bank's Engineer.

All same as item 4 above, but for PVC pipes of 75mm dia

All same as item 4 above, but for PVC pipes of 110mm dia

Nahani Trap:- Providing, fixing and connecting approved quality and make PVC Nahani trap/ multi trap of 100x75mm dia outlet with a minimum water seal of 50mm to the waste water pipe line. Rate shall be inclusive of making trenches of minimum width 250mm and filling the sump using concrete 1:1.5:3 admixed with water proofing chemical, providing and fixing 125mm dia SS gratings etc. all as directed by the Bank's Engineer.

ough plastering to wall surfaces: Preparing the surface of the masonry/RCC walls by raking, watering and thorough cleaning using wire brush, broom, providing and applying average 20 to 25 mm thick cement plaster using CM 1:4 (comprising of a first coat of 12 mm thickness, and a second coat of 9 to 12mm thickness) using approved quality OPC and M. sand, true to plumb, level and line. The wall plaster shall have an even surface and shall be finished with recessed joints to receive the tile dado. The rate shall include for cutting, curing, labour, all leads and lifts, etc. required for the finished work, all as directed by the Bank’s Engineer.

Providing and making new cooking platform of approx. overall plan size 3000 mm x 625 mm as per the sketch enclosed and with the specifications mentioned in the tender document.

Providing and laying screed concrete: Preparing the surface of the R.C.C floor slab by thorough cleaning and priming with cement slurry admixed with approved make and quality water proofing compounds, providing, mixing, laying, spreading, levelling and manually consolidating using hand rammers P.C.C 1:3:6 for an average thickness 40 to 50 mm using approved quality 12 mm and down size graded broken granite stone aggregates, approved quality M. sand and Portland cement of approved make, as screed layer in flooring. The surface of the screed laid as above shall be made rough using wire brushes or brooms. The work shall include necessary curing, disposing off and carting away the debris from the Bank's premises etc all complete as directed by the Bank's Engineer.