Civil works for the construction of 2x5000 MT Sulphuric acid tank and allied strutures at FACT CD

Civil works for the Construction of 2x5000 MT Sulphuric Acid Storage Tank and allied Structures at FACT CD.

Surface dressing of the ground including removing vegetation and inequalities not exceeding 15cm deep and disposal of rubbish, with in premises of FACT and lift up to 1.5m in all kinds of soil

Felling trees of girth (Measured at a height of 1m above ground level) including cutting of trunks and branches, removing the roots by uprooting, stacking of serviceable material and disposal of unserviceable material - Beyond 60cm girth up to and including 120cm girth.

Demolishing R.C.C. work manually / by mechanical means including cutting and stacking of reinforcement bars and disposal of unserviceable material with in premises of FACT as per direction of Engineer in-charge.

Dismantling steel work in single sections including dismembering and stacking with in premises of FACT as per direction of Engineer-in-charge. in Channels, angles, tees and flats

Dismantling Asbestos sheet roofing including ridges, hips, valleys and gutters etc, and stacking the material within premises of FACT as directed by Engineer in-charge.

Dismantling W.C. Pan of all sizes including disposal of dismantled materials i/c malba all complete as per directions of Engineer in- Charge

Disposal of moorum / building rubbish / malba / similar unserviceable, dismantled or waste material by mechanical transport including loading, transporting, unloading to approved municipal dumping ground for lead up to 30km for all lifts, complete as per directions of Engineer in-charge. Note - Item to be applicable in urban areas having directions for restricted hours for movement/ plying of load carrying motor vehicle of 3.5cum or more.

Casting 600mm diameter bored cast in-situ reinforced cement concrete piles in M35 grade ready mix concrete after boring through Direct mud circulation method as per IS 2911- Part 1/sec 2, having minimum cement of 400 kg/cum of concrete, using Portland Pozzolana cement conforming to IS 1489, river sand / manufactured sand conforming to IS 383, 20mm or less size graded hard granite broken stones, admixtures to concrete as per IS 9103, water as per IS 456 and reinforcedwith High strength deformed bars of 500D grade conforming to IS 1786 for the entire length of piles. All the materials used in the casting of concrete shall be done with the approval ofEngineer in-charge. The rate shall include the cost for all plants, tools, materials labour and other services for boring the piles including mobilisation and de-mobilisation of piling rigs, boring to therequired depth and stabilisation of hole with bentonite slurry or other required material to suit siteconditions, making channels in the ground, making service roads and arrangements for transportation and disposal of muck (The muck will be treated as owned by the contractor and it will be the responsibility of the contractor to dispose the muck without causing environment damage with necessary permission from the concerned authority and consultant / client to be informed well in advance on the disposal methodology before starting the work), cleaning the bores with water, lowering the reinforcement cages, concreting, excavating and levelling theground exposing piles to a depth of 100mm below cut-off level after curing and gaining sufficient strength. Rate of reinforcement alone shall be paid extra - For piles of length 15m below cut-off level. (payment shall be made for length of pile below cut off level only)

Chipping and removing weak concrete at the top of RCC piles to the cut off level in line and levels carefully, manually / mechanically without damaging the remaining portion of pile and exposing the reinforcement, cleaning the reinforcement off any loose concrete particles and removing the debris to places pointed out within the project premises as directed by the Engineer in-charge.

Arranging and conducting routine tests on single pile of diameter 600mm and length up to 15m below cut off level described in Item above as per IS: 2911 (Part-IV) latest revision including all required arrangements materials, machineries such as test cap, loading platform, hire andlabour for kentledges, cost of all materials, tools and plants, instruments for loading and recording settlements with dial gauge / LVDTS (calibrated), and labour charges, submitting reports etc complete as per technical specifications for 600mm dia piles for a maximum load of 2400 kN or the load at which the maximum settlement of test loading in position exceeds the permissible value.

Charges for empty boring through various strata to the required diameter of pile specified in the Item above, clearing the area, collecting, conveying and disposal of muck of all types such as liquid, fluid, solid and spoil earth (The muck will be treated as owned by the contractor and it will be the responsibility of the contractor to dispose the muck without causing environment damage with necessary permission from the concerned authority and consultant / client to be informed well in advance on the disposal methodology before starting the work) including hire charges for tools and plants, rigs, cost of labour, etc. complete for all depth. (Payment will be made for abandoned pile due to reasons attributable to owner and for empty boring involved in between ground level at the time of casting the piles and cut-off level of piles.) 600 mm dia. piles

Earth work in excavation by mechanical means (Hydraulic excavator) / manual means in foundation trenches or drains , in all kinds of soil, 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 as directed with in premises of FACT and close timbering in trenches including strutting, shoring and packing cavities wherever required and bailing out water to keep the excavated trenches suitable for concreting.

Excavating trenches of required width for pipes, cables, etc including excavation for sockets, and dressing of sides, ramming of bottoms, depth up to 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 premises of FACT - Pipes, cables etc. exceeding 80 mm dia. but not exceeding 300 mm dia

Charges for rolling with power roller of minimum 8 Tonnes for banking excavated earth in layers not exceeding 20 cm in depth

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

Charges for conveying the surplus earth to places approximately 30 kms away and dumping at low lying places as directed by the Engineer in-charge. Note - Item to be applicable in urban areas having directions for restricted hours for movement/ plying of load carrying motor vehicle of 3.5cumor more.

Supplying and filling in basement with clean river sand / M-sand including watering, ramming, consolidating and dressing complete.

Cement concrete work in 1:3:6 mix (1 Portland Pozzolana cement: 3 coarse river sand/manufactured sand: 6 20mm nominal size graded hard granite broken stones) including all charges for mixing concrete, necessary shuttering, laying, consolidating, curing, removal of shutters, cost for bailing out of water, oil, liquid mud etc. from all sources in excavated pits, trenches, etc. complete at all levels as per standard specifications and as directed by the Engineer in-charge for foundation / levelling course etc. Approved make of materials are furnished in Specific requirements of work – 32646-12-DA-002.

Providing hard core layer of required thickness using 40mm Nominal size graded hard granite broken stones after compacting the underlying soil, spreading and levelling thestones and then spreading a layer of 6mm downgraded crushed aggregates on top of the broken metal layer and it shall be watered in order to force the crushed fine aggregates into the void spaces of the broken stone and repeat the process till all the voids are filled with crushed fine aggregates right up to the edges of hard core layer, including cost of all materials and labour charges etc., complete

Providing 50mm thick bitumen sand mix with blown type bitumen of penetration 85/25 and clean river sand (120kg. bitumen/cum of sand) over a tack coat (total industrial asphalt to be used at 62.5kg /10sqm of surface (including 2.5 kg/10sq.m. of tack coat) including all charges for cleaning the surfaces, heating bitumen, mixing, laying, consolidating, finishing, etc. complete.

Supplying and providing high build epoxy based chemical resistant coating for outer surface of tank foundation as per manufactures specification to achieve a minimum dry film thickness of 500 microns in two or more coats. Approved make of materials are furnished in Specific requirements of work

Acid proof lining after cleaning the cement finished surface well with water and allowing to dry, brushing and removing all dust, apply two coats of approved quality bitumen based primer conforming to IS. 1580 as per manufacture's specification, applying 12 mm thick asphalt membrane with hot melt asphalt free from filler conforming to IS. 1580, then laying acid resistant tiles of class II quality conforming to IS. 4860 over a bed of 6 mm thick potassium based silicate cement mortar conforming to IS. 4832 - part. I & 4441 and joints 5 mm thick, raking the joints to full depth from the top surface, removing the raked-out mortar and filling the entire depth of joints with Furan base resin cement mortar conforming to IS. 4832 - part. II including acid washing curingetc. complete as per relevant IS. 4443 specifications at all heights. - 230X112X38 mm or nearest size tile

Supplying and laying HDPE film of 1000micron thickness confirming to IS 10889 for laying over the pile cap as per manufacturer's specification and direction of engineer incharge including replacing damaged sheets during installation / lining work) (only covered area will be measured flat and noextra payment will be made for joint / lap)

Providing and laying in position specified grade of reinforced cement concrete, excluding the cost of centering, shuttering, finishing and reinforcement - All work up to plinth level : 1:1.5:3 (1 cement :1.5 coarse sand (zone-III): 3 graded stoneaggregate 20 mm nominal size).

Reinforced cement concrete work of M25 grade for precast cover slab using Portland pozzolana cement containing more than 25% of fly ash, river sand / manufactured sand conforming to IS 383 and 20mm nominal size graded hard granite broken stones including all charges for designing themix, weigh batching, including installation of batching plant at the designated location in the site premises or arranging RMC, mixing concrete, cost of adding concrete admixtures as required, transporting, formwork, laying, vibrating, consolidating, curing with minimal use of potable water subject to provision of IS 456, handling, transporting, loading, unloading, keeping and fixing in position, at all levels etc., complete but excluding cost of providing reinforcements.(Exposed surfaces of pre-cast elements shall have good finish with no blemish or mark on the finished surfaces) NOTE- (1) Minimum Cement content shall be @ 330 kg/cum. Excess/ less cement used as per design mix is payable/ recoverable separately. (2) Fly ash conforming to grade I of IS 3812 (Part-1) only be used as part replacement of OPC as per IS: 456. Uniform blending with cement to be ensured in accordance with clauses 5.2 and 5.2.1 of IS:456 - in the items of BMC and RMC -for cover slabs (50mm to 100mm thick) on drain. Approved make of materials are furnished in Specific requirements of work – 32646-12-DA-002.

Providing and laying in position ready mixed M-30 grade concrete for reinforced cement concrete work, using fly ash and cement content as per approved design mix, and 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, 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- (1) Minimum Cement content shall be @ 340 kg/cum. Excess/ less cement used as per design mix is payable/ recoverable separately. "(2) Fly ash conforming to grade I of IS 3812 (Part-1) only be used as part replacement of OPC as per IS: 456. Uniform blending with cement to be ensured in accordance with clauses 5.2 and 5.2.1 of IS:456 in the items of BMC and RMC – for all worksup to plinth level except pile cap. Approved make of materials are furnished in Specific requirements of work – 32646-12-DA-002

Providing and laying in position ready mixed M-30 grade concrete for reinforced cement concrete work, using fly ash and cement content as per approved design mix, and 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 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- (1) Minimum Cement content shall be @ 340 kg/cum. Excess/ less cement used as per design mix is payable/ recoverable separately. (2) Fly ash conforming to grade I of IS 3812 (Part-1) only be used as part replacement of OPC as per IS: 456. Uniform blending withcement to be ensured in accordance with clauses 5.2 and 5.2.1 of IS:456 - in the items of BMC and RMC – for all works above plinth level . Approved make of materials are furnishedin Specific requirements of work – 32646-12-DA-002

Providing and laying in position ready mixed M-35 grade concrete for reinforced cement concrete work, using fly ash and cement content as per approved design mix, and 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, 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- (1) Minimum Cement content shall be @ 350 kg/cum. Excess/ less cement used as per design mix is payable/ recoverable separately. "(2) Fly ash conforming to grade I of IS 3812 (Part-1) only be used as part replacement of OPC as per IS: 456. Uniform blending with cement to be ensured in accordance with clauses 5.2 and 5.2.1 of IS:456 in the items of BMC and RMC – for pile caps .Approved make of materials are furnished in Specific requirements of work – 32646-12-DA-002

Add for using extra cement in the items of design mix over and above the specified cement content therein.

Providing form work to cement concrete and RCC works with necessary plywood / steel sheet, steel joists, runners, struts, posts etc with adjustable spans and telescopic posts, wooden planks for beam sides etc. including removal after completion /curing at all levels - foundation footings, bases of columns and walls. for mass concrete with straight sides

Providing form work to cement concrete and RCC works with necessary plywood/steel sheet, steel joists, runners, struts, posts etc with adjustable spans and telescopic posts, wooden planks for beam sides etc. including removal after completion /curing at all levels - wall (any thickness) including attached pilasters, butteresses, plinth and string courses etc.

Providing form work to cement concrete and RCC works with necessary plywood / steel sheet, steel joists, runners, struts, posts etc with adjustable spans and telescopic posts, wooden planks for beam sides etc. including removal after completion /curing at all levels -foundation footings, pile caps, RCC kerb wall around pile cap, bases of columns and walls. for mass concrete with circular sides

Providing form work to cement concrete and RCC works with necessary plywood/steel sheet, steel joists, runners, struts, posts etc with adjustable spans and telescopic posts, wooden planks for beam sides etc. including removal after completion / curing at all levels - Columns, Pillars, Piers, Abutments, Posts and Struts

Providing form work to cement concrete and RCC works with necessary plywood / steel sheet, steel joists, runners, struts, posts etc with adjustable spans and telescopic posts, wooden planks for beam sides etc. including removal after completion /curing at all levels - Stairs, (excluding landings) except spiralstaircases

Supplying , fabricating, conveying and fixing reinforcement to RCC works at all levels with high strength deformed bars Fe500D grade Thermo Mechanically Treated (TMT) bars conforming to IS 1786 including all charges for uncoiling and straightening rods, cutting rods, bending cold, placing in position and supplying & tying with black annealed tying wire of 16 gauge, etc. complete. Approved make of materials are furnished in Specific requirements of work – 32646-12-DA-002

Supplying and fixing pultruded GRP gratings made of Isophthalic polyester resin containing glass fibre content not less than 60% and having fire retardant characteristics, of 38mm height with I bar spacing not exceeding 40mm c/c and crossbars not exceeding 90 mm c/c, suitable for imposed load of 500kg/sqm of colour grey and designed for a max support span of 1300mm over cable trenches / drains / stairs with bonded grit antiskid surface including fixing to the existingstructural steel frames / RCC walls by means of SS hold down clamps, locking arrangement etc. For step ladders, gratings have to be fabricated as per site measurement and shall be rigidly fixed to the existing structural by suitable locking arrangement. 2 Piece locking system of size 700 wide (I-bar) x 1mtr (Cross Rod) Length. The GRP material shall be fire retardant meeting ASTM E84 Class A with Flame Spread less than or equal to 25 & Smoke Density ±200 and UV resistant meeting ASTM G154 with flexural strength not reducing by more than 7% on accelerated UV radiation exposure. Approved make of materials are furnished in Specificrequirements of work – 32646-12-DA-002.

Supplying, conveying fabrication and erection of MS single section members such as channels, guard rail, MS angle hand rails verticals, etc. with fixtures such as end stops, clamps, bolts and nuts etc. including charges for cutting, splicing, drilling holes as required, fixing to lines and levels and cleaning thoroughly with power tools and painting with two coats of red oxide zinc chromate primer ( one shop coat and one coat after fixing / erection) Approved make of materials are furnished in Specific requirements of work – 32646-12- DA-002, Refer painting specs for applying priming coats

Supplying and fixing MS inserts of all types fabricated out of MS plates, angles, channels, flats, rods, fabricated pieces, etc. in RCC / masonry works at all levels including all charges for cutting, welding, fixing to lines and levels and painting the exposed surfaces with two coats of chemical resistant enamel paint of approved quality and colour over two coats of red oxide zinc chromate primer, etc. complete Approved make of materials are furnished in Specific requirements of work – 32646-12-DA-002, Refer painting specs for applying priming coats

Providing and fixing mild steel round holding down bolts with nuts and washer plates complete to all lines and levels and applying petroleum jelly / grease after erection on exposed surface of bolts to prevent corrosion

Painting of structural steel work over priming coats (paid with the steel supply item) as follows: a) One intermediate coat of Micaceous Iron Oxide epoxy paint of 70-micron DFT b) One coat of two pack polyamide cured epoxy finish paint of 40-microns DFT c) One coat of aliphatic acrylic polyurethane finish paint of 40- microns DFT Approved make of materials are furnished in Specific requirements of work – 32646-12-DA-002, Refer painting specs for applying finishing coats

Supplying and grouting pockets, base plates, etc. at all levels for static equipment / structural steel supports using nonshrink grouts. Approved make of materials are furnished in Specific requirements of work – 32646-12-DA-002.

Providing and laying Non Pressure NP-3 class (Medium duty) R.C.C. pipes including collars/spigot jointed with stiff mixture of cement mortar in the proportion of 1:2 (1 cement : 2 fine sand) including testing of joints etc. complete: 300mm dia. R.C.C. pipe

Providing, laying and fixing 150mm dia Gl pipe (medium class) in ground complete with Gl fittings including trenching 75cm deep and re-filling etc. as required and directed by Engineer in-charge

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