External and internal structural repairs, painting of IMS buildings and miscellaneous works for other sea side buildings, North site, BARC, Trombay, Mumbai.

Amount

Dismantling plain cement concrete manually / by mechanical means carefully without damaging adjacent structures including disposal of debris within 200 m lead as per direction of Engineer-in-charge.

Demolishing dry stone pitching in floors, drains etc. including stacking serviceable materials and disposal of unserviceable materials within 200 m lead.

Dismantling G.S Sheet / FRP Sheet / AC Sheet roofing including ridges, valleys and gutter etc and stacking the material within 50 m lead .

Dismantling brick work in Cement mortar carefully without damaging adjacent structures including stacking of materials and dispoal of unserviceable materials within 100 m lead as per direction of Engineer-in-charge.

Supplying, fabricating, testing, transporting, handling and erecting at required positions and levels metal roofing and canopy roofing and insulation etc. as per approved drawings and design complete as directed by the Engineer-in-charge including all consumables comprising of the following: Double skin insulated standing seam roofing system comprising of 0.50 mm thick colour coated / bare Al-Zinc Alloy coated steel 0.50 mm with overall width of 400 to 500mm by seaming for 100% water tightness on outer face and 0.50 mm thick inner linear sheet with galvalume sheet profile and physical material properties as specified. These sheets shall be fixed on specially reinforced polyamide or acetylyte anti friction di electric brackets at every location for permitting unhindered, free sheet movement at all required locations. The profile shall have a special in built drainage joint at side laps to make it fully watertight even in fully submerged condition. It shall have overall depth of 100 mm from horizontal after fixing . The side laps shall be of interlocking type without requirement of any mechanical seamer. Insulation: This shall be comprising of two layers of rockwool insulation each of 50 mm thick with density of 48 kg / Cu. M. Sub Grit (Top Hat) 1.5 mm thick Glavanised steel hat section fixed to main purlins, above first layer of insulation, to support the aluminium sheets. Inner linear sheet of 0.50 mm nominal TCT of physical material properties as specified. Vapour Control layer : The vapour contol layer to reduce the movement of water vapour from inside the building through the roof construction to reduce the risk of condensation shall consists of 3 layer membrane to be laid continuous across its surface shall be fully sealed at laps, perimeters, penetrations to ensure effectiveness & aluminium foil of 0.50mm thick laid over insulation board.

Providing and fixing precoated Galvalume roofing accessories of Galvalume sheet up to 600 mm total width for ridges, gutters, aprons,and flashings using self drilling / self tapping screws or with polymer coated J or L hooks, bolts and nuts and or G.I. seam bolts and nuts, G.I. plain and bitumen washers complete.

Supplying, Stacking and Laying of 150 mm thick rubble soling stones as under floor base including packing with smaller stone and compacting, ramming including spreading and consolidation of blinding material, moorum etc. complete all as per specifications and as directed by the Engineer-in-charge

Providing and laying in position cement concrete of 1:3:6 (1 cement, 3 crushed sand, 6 graded stone aggregate of maximum size 20 mm) with minimum cement content to be as per the latest revision of the relevant IS Codes including consolidation, finishing, curing etc. complete as per specificationsand drawings but excluding the cost of Form work shuttering, centering Complete at all levels

Providing and laying in position cement concrete of 1:1.5:3 at all levels (1 cement, 1.5 crushed sand, 3 graded stone aggregate of nominal size 20 mm) with minimum cement content to be as per the latest revision of the relevant IS Codes including consolidation, finishing, curing etc.. complete as per specifications and drawings but excluding the cost of shuttering, centering and steel reinforcement.

Providing and laying in position Reinforced Cement Concrete (RCC) of grade M-30 using 20mm maximum size aggregates and crushed sand of approved quality including admixtures of approved brand and quality (plasticiser or super plasticiser) if required, with minimum cement content to be as per the latest revision of the relevant IS Codes , including weigh batching, mechanical mixing, transporting, placing, vibrating, consolidation, finishing, curing etc. complete but excluding the cost of centering, shuttering and reinforcement complete as per specifications up to Plinth Level.

Extra for PCC/ RCC Using Ready Mix Concrete from outside project area including transporting and pumping from approved batching plants.

Providing Reinforcement Steel Using TMT bars, supplied by the Department, of specified grades of all sizes for reinforced cement concrete at all levels including supplying, preparation of bar bending schedules, cutting, bending, transporting, fixing, tieing in position with PVC coated G.I binding wire, all labour charges, cost of cover blocks in specified grade of concrete etc. complete as per specifications and drawings. Note : 1. Steel shall be supplied by the department at the rate of ₹ 47000 /MT as indicated in schedule -A . 2. Contractor has to make own arrangement for loading / unloading & carrying from dept. store.

Providing , centering ,shuttering Form work for Sub Structure using PVC film faced plywood to get a neat form finish surface for all types of structures including necessary strutting, proping, staging, supports etc and deshuttering the same after the specified time all as per drawings, specifications and as directed by the Engineer-in-charge at all level.

Providing and constructing Brickwork in cement mortar 1:4 using crushed sand with Flyash / Flyash Lime bricks with minimum 70 kg / Sq. cm strength of approved make and size in Sub structure including, scaffolding, raking out joints, curing, cleaning complete all as per specifications and drawings.

Providing Structural steel work using angles, channels, joists and other sections, welded and / or bolted in built up sections for trusses , structural steel floors, frame works, monorails and other structures including supplying, cutting, welding, fabricating, hoisting, fixing in position, applying a priming coat of approved steel primer etc. complete all as per specifications, drawings and as directed by the Engineer in charge. Up to and including 300 mm Joists, 350 mm channels, and below sections using materials of approved manufacturers. All test reports to be provided along with the supply of the materials. Notes : 1. The contractor shall supply documentary evidence of purchase of steel, Test certificate from approved manufacturers and also third party testing from approved laboratories with out any extra cost. 2. Welding weights, connections, bolts and nuts shall not be measured for payment but the cost of which shall be deemed to have been included in the rates. 3. Welding Electrodes from approved manufactrers meetinf all the technical specifications (the electrode gives smooth radiographic quality weld with low spatter and smoke) grade only shall be used. 4. Holes to be drilled only by Drilling machines and gas cutting of holes are not permitted. 5. Rate inclusive of all consumables like GAS, welding electrodes and tools and tackles etc.

Supplying and fixing in positions 2ply 12 gauge 4 spikes at every 100mm c/c, stainless steel barbed wire to M.S. angles/ RCC posts including supplying and fixing with necessary "J" kooks, bolts, nuts, washers, staples etc of make stainless steel as required etc. complete as directed by the Engineer-in-charge. Note : The mode of measurements is on KG basis only of SS barbed wire and quoted accordingly.

Providing , supplying and fixing wire fabric chain link fencing made of G.I.wire of dia 3.00 mm and 2mm PVC coated to achieve outer dia not less than 5mm in required colour and shade and size of 50mmX50mm with posts of specified material and odf standard design placed steel wire fabric fixed between the posts fitted and fixed with G.I. staples/G.I. Bolts or tied to 6mm bar nibs with G.I. binding wire complete all as per specifications and drawings and directed at site.

Supplying , cutting to shape and fixing 90 mm diameter UPVC pipes as per IS 4985 in RR Masonry/ RCC walls for weep holes complete all as per drawings and as specified at site.

Providing, laying , jointing, fixing and testing heavy quality ( (ISI Marked C-Class) Galvanised Iron pipes and ISI marked fittings like, tees, elbows, bends, unions, nipples,reducers etc. as required for the work, including testing the pipes and fittings for 10.00 Kg / Sq.Cm hydraulic pressure with a minimum period of two hours duration with clean water, including cutting , threading, jointing with hemp yarn, white lead, jointing teflon tape, chasing walls and making good by filling with concrete 1:3:6, complete all as per specifications and drawings, including two coats of anti corrosive bitumastic paint, all as directed by the Engineer-in-charge. Pipes with ISI marked 'C' -Class heavy quality pipes of approved make.

20 mm dia G.I pipe

50 mm dia G.I pipe

63 mm dia G.I pipe

Providing and fixing Minimum 15 mm thick gang saw cut mirror polished (premoulded and prepolished) machine cut Granite for kitchen platforms, vanitiy counters, wash basin counters, door frames, window sills, facias, sitting benches and similar locations of required size of approved shade, colour and texture laid over 20 mm thick base cement mortar 1:4 (using crushed sand) with joints treated with white cement, mixed with matching pigment, epoxy touch ups, including rubbing, curing, moulding and polishing the edges to give high gloss finish etc. complete at all levels

Extra for providing edge moulding to Minimum 15 mm thick for Granite Slab counters, Vanitis, sitting benches etc. including machine polishing to edge to give high gloss finish etc. complete as per design approved by Engineer-in-charge.

Providing and laying 60 mm thick factory made cement concrete interlocking paver block of M-30 grade made with strong vibratory compaction and approved size, shape, design laid in required colour and pattern over and including 50 mm thick compacted bed of crushed sand, filling the joints with crushed sand etc. all complete as -per the direction of the Engineer-in-charge

Dismantling old plaster/ skirting carefully , raking out joints and cleaning the surface for plaster including disposal of rubbish to the dumping ground within 100 m lead.

Providing structural repairs in old damaged concrete structures / surfaces with approved Polymer with following operations 1) Removal of loose/Spalled or damaged concrete by chipping and cleaning the concrete surface and reinforcement steel with wire brush and with water 2) Cleaning the re bars with Acetone for complete rust removal and washing with water to make the surface clean. 3) Applying protective coat / bond coat using polymer and cement in the proportion of 1; 1.5 (1 part of polymer and 1.5 parts of cement in synthetic enamal paint like consistancy with brush 4) Reinstate the area with polymer modified mortar in layers of maximum 20 mm with the proportion of Cement 50 Kg : washed and dried river sand 87.50 kg ; silica sand 37.50 Kg. mixed with 10 litres of Polymer (or 1 Kg cement : 1.75 kg washed and dried river sand ; 0.75 Kg silica sand : 200 ml polymer) 5) If thickness of repair exceeds 20mm , after every 20 mm thick repair, bond coat as per 2 above to be applied and further thick of repair to be continued for each layer. Note : 1. This work is inclusive of all materials, labour, complete all as directed at site using approved polymer suitable for structural repair shall be used. 2. Scaffolding will be paid separately under relevant item

Providing 15 mm thick plastering using Ready mix internal plastering compound of approved make for internal faces of brickwork / concrete surfaces including preparation of the surface, curing, cleaning, scaffolding complete all as per specifications and as directed at site by the Engineer-in-charge.

Providing 20 mm thick External plastering in two coats under layer 12 mm thick with C.M 1:4 (using crushed sand) finished with a top layer 8 mm thick in C. M 1:3 (using crushed sand) including approved water proofing compound @ 2% by weight of cement or as per manufacturer's specifications, sieving of sand to required fineness, scaffolding up to 10 metres height, finishing, curing etc. complete as per specifications. and as directed by the Engineer-in-charge.

Providing and fixing G.I. chicken mesh in the junctions of concrete & brick work / masonry or as directed by the Engineer in charge including cutting, fixing with nails in position before plastering complete all as directed by the Engineer-in-charge. (only area of the chicken mesh used alone will be measured)

Providing and applying white cement based wall putty of approved make over concrete or Plastered surface up to 3 mm thick to get uniform surface free from undulation including cleaning complete all as directed by the Engineer-in-charge

Providing and applying durable exterior emulsion paint formulated with engineered pure acrylics latex based on nanotechnology, with life of min. 10 (ten) years, having crack bridging ability up to 2.4 mm and superior anticarbonation & waterproofing properties, surface cross linking feature, high resistance to growth of algae, high Dust Pick Up Resistance (DPUR), resistance to fading of colours, protection against bird dropping, good washable property including the cost of materials, spray / roller application, labour, consumables, tool & plants/equipment etc. complete in all respect as per manufacturer’s specifications and as directed by the Engineer - in-Charge. Base coat (main waterproofing coat): minimum 2 (two) coats of fibre reinforced liquid applied membrane (to be applied before top coat) with allowable dilution as per Note below. Top coat: minimum 2 (two) or more coats of Organo-Silicon, UV Cross linking emulsion. Note : 1) Coverage for new surface (sand faced plaster): For Base Coat - approx. 40-45 sq.ft./litre with 1st coat of Base Coat with 30% dilution and 2nd coat of Base Coat with 10% dilution with potable water and for top coat - approx. 55-60 sq.ft./litre with 30-35% dilution with potable water only. 2) Coverage for old surface (sand faced plaster): for repainting on old surfaces, 1st coat of Base Coat with 30% dilution only on repair/patch work and 2nd coat of Base Coat with 10% dilution with potable water on overall surface - approx. of 40-45 sq.ft./Litre prior to 2 coats of top coat application i.e. with 35% to 40% dilution with potable water - approx. 55-60 sq.ft./Litre. 3) Warranty : Minimum 10 (ten) years' warranty against water proofing, paint performance and anti-algal properties. 4) Scaffolding will be paid separately under relevant Item. 5) The paint shall conform to international VOC specifications and shall not contain hazardous materials/ heavy metals / toxic materials.

On Plain Plaster surfaces

Providing and applying wall painting two coats with premium plastic emulsion paint of approved brand to give an even shade, including a coat of approved cement primer, including preparation of the surfaces complete. as per specifications and as directed by the Engineer-in-charge.

Providing and Painting two coats of synthetic enamel paint on steel surfaces of approved brand and manufacture to give an even shade over a primer coat including preparation of the surfaces, scaffolding complete as per specifications and as directed by the Engineer-in-charge

Providing and fixing double tubular scaffolding system using H- frames with cup lock type on the exterior side upto seven story height made with 40 mm dia M.S. tube 1.5 m centre to centre horizontal and vertical tubes joining with cup and lock system with M.S. tubes, M.S. tube challies, M.S clamps and M.S staircase system in the scaffolding for working platform etc. and maintaining it in a serviceable condition for the required duration as approved and removing it thereafter. The scaffolding system shall be stiffened with bracings, runners, connection with building etc. wherever required for inspection of work at required locations with essential safety features for the workmen etc. complete as per directions and as approved by the Engineer -in - charge. Note: 1. The elevational area of the scaffolding shall be measured for payment purposes. 2.The payment shall be made once irrespective of duration of scaffolding .

Dismantling tile work, for thickness of tiles above 10 mm and up to 25 mm, in floors and roofs laid in cement mortar including stacking material within 100 m lead

Providing and constructing Half brick masonry using Flyash/ Flyash Lime bricks with minimum 70 kg / Sq.cm strength of approved make and size in partition walls in C.M 1:4 (using crushed sand) including scaffolding, raking out joints, curing etc. complete and with stiffners of RCC 1:2:4 (105 X 75 mm size) at every 900 mm height including form work curing etc. complete as per specifications but excluding reinforcement in Super Structure up to Floor - II level. (Reinforcement will be paid under relevant item)

Providing and fixing 10 mm thick flooring with acid and alkali resistant tiles of approved make and colour as per IS 4457 using acid and / or alkali resistant mortar bedding and joints filled with acid and / or alkali resisting Epoxy for 5 to 8 mm depth over a bed of Bitumastic compound 8 to 10 mm layer and bitumastic primer complete as per the direction of the Engineer-in-charge In flooring over a bed of minimum 10 mm thick acid proof mortar with acid and / or alkali resistant tiles of size 300 X 300 X 10 mm of approved colour including providing required slopes and levels (this work to be carried out through approved specialized agency) complete as per specifications and as directed by the Engineer-in-charge.

Providing and fixing 10 mm thick skirting / Dadooing with acid and alkali resistant tiles of approved make and colour as per IS 4457 using acid and / or alkali resistant mortar bedding and joints filled with acid and / or alkali resisting Epoxy for 5 to 8 mm depth over a bed of Bitumastic compound 8 to 10 mm layer and bitumastic primer complete as per the direction of the Engineer-in-charge In flooring over a bed of minimum 10 mm thick acid proof mortar with acid and / or alkali resistant tiles of size 300 X 300 X 10 mm of approved colour incliding providing required slopes and levels (this work to be carried out through approved specialized agency) complete as per specifications and as directed by the Engineer-in-charge.

Lead charges for debries lead Exceeding 3 KM but not exceeding 4 KM, by mechanical transport including loading, unloading, stacking / levelling etc. Note: The rate is applicable for NET Quantities arrived at after making deduction for voids @ 30% from corresponding TRUCK Measurement.

Providing and fixing in position premoulded jointer filler 10 mm thick and 100mm wide Rubber Expansion Joint Filler Board in expansion joints.

Supplying of unskilled man power / labour for loading / unloading, area cleaning and miscellaneous works etc including cost of equipment whichever is required at site.

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