Construction of Under Ground RCC Sumps of 3 Nos of One Lakh Litres Capacity at IIT Madras for Chiller plants and Construction of under Ground RCC Sumps of Fifty thousand litres Capacity for Sprinklers at Manohar C Wasta Stadium IIT Madras Campus

Amount

Civil work

Earth work in excavation by mechanical means (Hydraulic excavator) / manual means over areas (exceeding 30cm in depth. 1.5 m in width as well as 10 sqm on plan) including disposal of excavated earth, lead upto 50m and lift upto 1.5m, disposed earth to be levelled and neatly dressed. All kinds of soil

Earth work in excavation by mechanical means (Hydraulic excavator) / manual means over areas (exceeding 30 cm in depth, 1.5 m in width as well as 10 sqm on plan) including disposal of excavated earth, lead upto 50 m and lift upto 1.5 m, disposed earth to be levelled and neatly dressed. Ordinary rock

Excavating trenches of required width for pipes, cables, etc including excavation for sockets, and dressing of sides, ramming of bottoms, depth upto 1.5 m, including getting out the excavated soil, and then returning the soil as required, in layers not exceeding 20 cm in depth, including consolidating each deposited layer by ramming, watering, etc. and disposing of surplus excavated soil as directed, within a lead of 50 m : All kinds of soil. Pipes, cables etc. exceeding 80 mm dia. but not exceeding 300 mm dia.

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

Extra for every additional lift of 1.5 m or part thereof in excavation / banking excavated or stacked materials. All kinds of soil

Extra for every additional lift of 1.5 m or part thereof in excavation / banking excavated or stacked materials. Ordinary Rock

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

Providing and laying in position ready mixed or site batched design mix cement concrete for plain cement concrete work; using coarse aggregate and fine aggregate derived from natural sources, Portland Pozzolana/Ordinary Portland /Portland Slag cement, admixtures in recommended proportions as per IS: 9103 to accelerate / retard setting of concrete, to improve durability and workability without impairing strength; including pumping of concrete to site of laying, curing, carriage for all leads; but excluding the cost of centering, shuttering and finishing as per direction of the engineer-in-charge; for the following grades of concrete. Note: Extra cement up to 10% of the minimum specified cement content in design mix shall be payable separately. In case the cement content in design mix is more than 110% of the minimum specified cement content, the contractor shall have discretion to either re-design the mix or bear the cost of extra cement. All works upto plinth level : Concrete of M20 grade with minimum cement content of 270 kg /cum

Centering and shuttering including strutting, propping etc. and removal of fometre using good quality 12mm thick film coated water proof plywood / steel shuttering as approved by IIT Madras (No plastering will be done for internal and external wall surface of the concrete). The contractor shall submit necessary shop drawing for the proposed shuttering and fometre work and shall be got approved from the Engineer-in-charge for :

Foundations, footings, bases of columns, etc. for mass concrete

Walls (any thickness) including attached pilasters, butteresses, plinth and string courses etc.

Suspended floors, roofs, landings, balconies and access platfometre

Providing and fixing tie bolt, spring coil and plastic cone in wall shuttering complete as per the direction of Engineer-in-charge. 20 mm dia.& 300mm length.

Steel reinforcement for R.C.C. work including straightening, cutting,bending, placing in position and binding all complete upto plinth level. Themetreo- Mechanically Treated bars Fe500D

Providing and laying in position ready mixed M-35 grade concrete for reinforced cement concrete work, using cement content as per approved design mix, manufactured in fully automatic batching plant and transported to site of work in transit mixer for all leads, having continuous agitated mixer, manufactured as per mix design of specified grade for reinforced cement concrete work, including pumping of R.M.C. from transit mixer to site of laying , excluding the cost of centering, shuttering finishing and reinforcement, including cost of admixtures in recommended proportions as per IS : 9103 to accelerate/ retard setting of concrete, improve workability without impairing strength and durability as per direction of the Engineer - in - charge. (Note : Cement content considered in M-35 is @ 380 kg/ cum. Excess/less cement used as per design mix is payable / recoverable separately).

All works up to plinth level

All works above plinth level

Masonry work using solid fly ash cement concrete block M10 grade using Cement mortar 1:4 (1 Cement : 4 coarse/M.Sand). All works above plinth level upto floor V level

Cement concrete flooring 1:2:4 (1 cement : 2 coarse sand / M sand : 4 graded stone aggregate) including cement slurry, but excluding the cost of nosing of steps etc. complete. upto 50 mm and minimum of 40mm thick with 20 mm nominal size stone aggregate

12 mm cement plaster of mix : 1:4 (1 cement: 4 coarse/ M sand)

Dismantling stone rubble masonry 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 :in Cement mortar

Dismantling steel work manually/ by mechanical means in built up sections without dismembering and stacking within 50 metres lead or as per directions of Engineer-in-charge

Intercarting the excavated earth to the dumping yard and returning for refilling by mechanical means within IIT Madras campus, including loading, transporting, unloading at the earmarked location at IITM campus as directed by the Engineer-in-charge, beyond 50 m of initial lead, for all leads including all lifts involved.

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

Hire charges for providing temporary barricading using GI corrugated sheet to a height of 3m. The GI corrugated sheets of 0.4mm thick shall be fixed to the framework made out MS pipe frame work as per the direction of Engineer in charge.

Providing flanged joints to double flanged C.I./ D.I. pipes and specials, including testing of joints 100 mm dia pipe :

Providing and fixing C.I/D.I. sluice valves (with cap) complete with bolts, nuts, rubber insertions etc. (the tail pieces if required will be paid separately) : Class II - 100 mm dia

Constructing masonry Chamber 120x120x100 cm inside, in brick work in cement mortar 1:4 (1 cement : 4 coarse sand) for sluice valve, with C.I. surface box 100 mm top diameter, 160 mm bottom diameter and 180 mm deep ( inside) with chained lid and RCC top slab 1:2:4 mix (1 cement : 2 coarse sand : 4 graded stone aggregate 20 mm nominal size) , i/c necessary excavation, foundation concrete 1:5:10 (1 cement : 5 fine sand : 10 graded stone aggregate 40 mm nominal size) and inside plastering with cement mortar 1:3 (1 cement : 3 coarse sand) 12 mm thick, finished with a floating coat of neat cement complete as per standard design : With solid flyash cement concrete block M10 grade.

Providing and laying D.I. specials of class K-9 /K12suitable for push-on jointing as per IS : 9523 : Up to 600 mm dia

Providing push-on-joints to Centrifugally (Spun) Cast Iron Pipes or Ductile Iron Pipes including testing of joints and the cost of rubber gasket :

Providing and laying S&S Centrifugally Cast (Spun) / Ductile Iron Pipes confometreing to IS : 8329 : 100 mm dia Ductile Iron Class K-9 pipes

Providing orange colour safety foot rest of minimum 6 mm thick plastic encapsulated as per IS : 10910, on 12 mm dia steel bar conforming to IS : 1786, having minimum cross section as 23 mmx25 mm and over all minimum length 263 mm and width as 165 mm with minimum 112 mm space between protruded legs having 2 mm tread on top surface by ribbing or chequering besides necessary and adequate anchoring projections on tail length on 138 mm as per standard drawing and suitable to with stand the bend test and chemical resistance test as per specifications and having manufacture's permanent identification mark to be visible even after fixing, including fixing in manholes with 30x20x15 cm cement concrete block 1:3:6 (1 cement : 3 coarse sand : 6 graded stone aggregate 20 mm nominal size) complete as per design.

Providing and fixing in position SFRC / Precast RCC manhole cover and frame of required shape and approved quality.MD -10, Square shape 450mm internal diametre.

Providing and Placing in position suitable PVC water stops conforming to IS:12200 for construction/ expansion joints between two RCC members and fixed to the reinforcement with binding wire before pouring concrete etc. complete : dumb bell with central bulb (180 mm wide, 8 mm thick).

Supplying and filling in plinth with quarry dust under floors in layers not exceeding 20cm in depth consolidating each deposited layer by ramming and watering, and dressing complete.

Providing Mechanical core cutting up to 250mm depth up to 250 mm dia in RCC wall/slab for fixing pipes for UG sump joints with Grey water line pipes including removing of debris and labour charges etc.., complete

Providing and Fixing PTMT Float valve of 50mm dia for UG sumpsand etc complete.

Providing and fixing of 100mm dia PVC pipe with cowl for UG sump Air vent and etc. complete

Providing and fixing chlorinated poly vinyl chloride (CPVC) pipes, having thermal stability for hot and cold water supply, includiing all CPVC plain and brass threaded fittings, including fixing the pipe with clamps at 1m spacing. This includes jointing of pipes and fittings with one step CPVC solvent cement, trenching, refilling and testing of joints complete as per direction of Engineer-in-charge. External work (Ashirvad/Astral /Prince SDR 11 grade) - 50mm dia

Supplying and fixing CPVC valves of approved quality for the following diameter (Ashirvad/Astral /Prince SDR 11 grade) - 50mm dia

Supplying and fixing CPVC Union (Ashirvad/Astral /Prince SDR 11 grade) 50 mm dia

Providing and fixing gun metal gate vlave with CI wheel of approved quality (screewed end) 50mm nominal bore

Providing and fixing gun metal non return valve of approved quality (screewed end) - Horizontal- 50 mm nominal bore

Supplying and fixing base clamps on walls, the rate inclusive of labour, materials, scaffolding etc., complete

Making connection of GI distribution branch with GI main of following sizes by providing and fixing Tee, including cutting and threading the pipe etc. complete (dia upto 50mm)

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

Structural Steel work welded in built up sections / tubular sections, trusses and framed work, including cutting, hoisting, fixing in position and applying a priming coat of approved steel primer (Zinchromite primer) all etc

Painting with synthetic enamel paint of approved brand and manufacture to give an even shade in all floors for wood/steel work. 1st quality. ( Asian / ICI / Berger)

Providing and fixing precoated galvanised iron profile sheets (size, shape and pitch of corrugation as approved by Engineer-in-charge) 0.50 mm (+ 0.05 %) total coated thickness with zinc coating 120 grams per sqm as per IS: 277, in 240 mpa steel grade, 5-7 microns epoxy primer on both side of the sheet and polyester top coat 15-18 microns. Sheet should have protective guard film of 25 microns minimum to avoid scratches during transportation and should be supplied in single length upto 12 metre or as desired by Engineerin-charge. The sheet shall be fixed using self drilling /self tapping screws of size (5.5x 55 mm) with EPDM seal, complete upto any pitch in horizontal/ vertical or curved surfaces, excluding the cost of purlins, rafters and trusses and including cutting to size and shape wherever required.(M/s Jindal or equivalent with ISI marks)

Painting with Acrylic Emulsion : (two or more coats over a primer coat including surface preparation with white cement based (JK / Birla) touch up putty / primer and making good the wall surface etc) Applying paint of approved colour, make, brand and product. The paint shall be applied over dry surface with a coat of approved interior primer before application of top coat of paint. The contractor should ensure complete covering of floors using tarpaulin / plastic sheet while taking up the work. The rate quoted shall be inclusive of charges towards all labour, material, transport, scaffolding, safety arrangements, Personal Protective Equipments (PPE), tools and plants etc.

SRI VENKATESWARA DECORS