Providing and fixing of Structural steel ladder and removing existing dilapidated spiral staircase in B to G type Quarters and Repairing the existing steel ladder in B to G type quarters building in the Residential zone at IIT Madras

Schedule -A (Providing and fixing of Structural steel ladder and removing existing dilapidated spiral staircase in B to G type Quarters)

Removing of existing 1200mm dia spiral staircase steps for a height of 10.60m with middle support of circular RCC column including dismantling of RCC parapet wall and debris removing etc. complete.

Steel work welded in built-up sections/ framed work, including cutting, hoisting, fixing in position, and applying a priming coat of approved steel primer using structural steel etc., as required. In stringers, treads, landings, etc. of staircases, including the use of chequered plate wherever required, all complete

Providing and fixing hand rail of approved size by welding etc. to steel ladder railing, balcony railing, staircase railing and similar works, including applying priming coat of approved steel primer.

Enamel painting for doors/windows / wall panels (two or more coats including a coat of primer) on both exterior and interior surface of wooden and steel joineries using approved colour, make and brand of synthetic enamel paint two or more coats over a coat of primer as per Annexure A.1.4. (Top coat enamel coverage not less than 8.83sqm per litre for two coats over a coat of primer as per manufacturers specifications). The contractor should ensure complete covering of floors using tarpaulin / plastic sheet while taking up the work. The work shall be executed as per the detailed specifications. The rate quoted shall be inclusive of charges towards all labour, material, transport, scaffolding, safety arrangements, Personal Protective Equipments (PPE), tools and plants etc. (Asian (Premium Gloss Enamel) / Berger Luxol High Gloss Enamel / / Nippon Hi Gloss Enamel).

Earthwork in Excavation in foundation trenches or drains (not exceeding 1.5m in width or 10 sqm on plan) including dressing of sides and ramming of bottoms, lift up to 1.5m, including getting out the excavated soil and disposal of surplus excavated soil All kinds of soil

Dismantling the existing grano flooring at all levels 25 to 50mm thickness and stacking the dismantled material within 50m lead.

Filling available excavated earth (excluding rock) in trenches, plinth, sides of foundation etc. in layers not exceeding 20cm in depth : consolidating each deposited layer by ramming and watering, lead up to 50m and lift up to 1.5m

1:2:4 (1 cement : 2 coarse sand (zone-III) derived from natural sources: 4 graded stone aggregate 20 mm nominal size derived from natural sources).

Providing and laying in position of RCC of grade M35 Concrete with super plastizisers for walls and floors, columns, beams and slabs excluding cost of centering, shuttering, finishing and reinforcement etc complete at all levels as per the direction of Engineer in charge.(minimum cement content 380 kg/cum + fly ash as per IS 456.

Supplying and filling in plinth with M-Sand under floors including watering, ramming, consolidating and dressing complete

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

Providing centering shuttering and form work for RCC works for all applicable RCC items in this schedule using best quality of film coated plywood / MS Sheets centering and shuttering materials, for required heights and sizes in all floors and all levels including charges for demoulding agent, removal of form work etc complete at all levels.

Providing and fixing on wall face unplasticised Rigid PVC rain water pipes conforming to IS : 13592 Type A, including jointing with seal ring conforming to IS : 5382, leaving 10 mm gap for thermal expansion, (i) Single socketed pipes. 110 mm diameter

Constructing masonry chamber 60 x 60 x up to 100 cm, inside with 100 class designation flyash concrete block brick work in cement mortar 1:5 (1 cement : 5 fine sand / / M sand) for sewer line intersections and top cover with SFRC cover with frame of approved grade, necessary excavation, foundation concrete 1:5:10 (1 cement : 5 fine sand / M sand : 10 graded stone aggregate 40mm nominal size) and inside plastering with cement mortar 1:3 (1 cement : 3 coarse sand / M sand) 12mm thick finished with a floating coat of neat cement complete as per standard design. With flyash concrete blocks class designation 100)

Repairs to plaster of thickness 12 mm to 20 mm in patches of area 2.5 sq.meters and under, including cutting the patch in proper shape, raking out joints and preparing and plastering the surface of the walls complete, including disposal of rubbish to the dumping ground, all complete as per direction of Engineer-in- Charge.

Applying super premium quality 100% interior Acrylic emulsion paint two or more coats over a primer coat including complete scraping.

Providing and fixing of MS weld mesh safety shutter by using MS weld mesh of 2"x2"(16 gauge) welded with MS angles all-round with 20x6mm flat MS angle fixed with the support including one coat of zinc chromate primer and etc., complete

Labour engagement for unmeasurable items of works such as masonry touch up works, cleaning works, machinery, lab equipment and materials shifting to enable taking up the renovation woks as per the direction of Engineer in charge. Mason

Schedule -B (Repairing the existing steel ladder in B to G Type Quarters)

Providing and fixing hand rail of approved size by welding etc. to steel ladder railing, balcony railing, staircase railing and similar works, including applying priming coat of approved steel primer.

Steel work welded in built-up sections/ framed work, including cutting, hoisting, fixing in position, and applying a priming coat of approved steel primer using structural steel etc., as required. In stringers, treads, landings, etc. of staircases, including the use of chequered plate wherever required, all complete

1:2:4 (1 cement : 2 coarse sand (zone-III) derived from natural sources: 4 graded stone aggregate 20 mm nominal size derived from natural sources).

Enamel painting for doors/windows / wall panels (two or more coats including a coat of primer) on both exterior and interior surface of wooden and steel joineries using approved colour, make and brand of synthetic enamel paint two or more coats over a coat of primer as per Annexure A.1.4. (Top coat enamel coverage not less than 8.83sqm per litre for two coats over a coat of primer as per manufacturers specifications). The contractor should ensure complete covering of floors using tarpaulin / plastic sheet while taking up the work. The work shall be executed as per the detailed specifications. The rate quoted shall be inclusive of charges towards all labour, material, transport, scaffolding, safety arrangements, Personal Protective Equipments (PPE), tools and plants etc. (Asian (Premium Gloss Enamel) / Berger Luxol High Gloss Enamel / / Nippon Hi Gloss Enamel).

Labour charges for cutting, welding, alteration and refixing in position for existing weld mesh / grill with additional MS clamps welded to the existing frame supports including all materials, tools and plants, welding rods etc complete as per the direction of Engineer in charge.

Repairs to plaster of thickness 12 mm to 20 mm in patches of area 2.5 sq.meters and under, including cutting the patch in proper shape, raking out joints and preparing and plastering the surface of the walls complete, including disposal of rubbish to the dumping ground, all complete as per direction of Engineer-in- Charge.

Labour engagement for unmeasurable items of works such as masonry touch up works, cleaning works, machinery, lab equipment and materials shifting to enable taking up the renovation woks as per the direction of Engineer in charge. Mason