Construction of foundation for Final Absorption Tower in Sulphuric Acid Plant in FACT CD, Ambalamedu, Kochi.

Disposal of moorum / building rubbish / malba / similar unserviceable, dismantled or waste material by mechanical transport including loading, transporting, unloading in areas with in a lead of 5km in FACT CD premises in for all lifts, complete as per directions of EiC.

Charges for conveying the surplus earth to places approximately 5 kms away and dumping at low lying places as directed by the Engineer in-charge.

Supplying and stacking good earth brought from outside, at locations pointed out by the engineer in-charge.

Earth work in excavation in open areas (exceeding 1.5m in width as well as 10sqm (M2) on plan) by mechanical means (Hydraulic excavator)/ manual means in all kinds of soil, for lifts up to 1.5m from existing ground level, including getting out the excavated soil and disposal with in a lead of 50m as directed by the Engineer in-charge.

Earth work in excavation by mechanical means (Hydraulic excavator)/ manual means in foundation trenches 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 up to a lead of 50m, as directed by the Engineer in-charge . The rates shall include bailing out water, and keeping the sides from collapsing using necessary timbering, planking, and shoring.

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, for lead up to 1 Km and lift up to 1.5m.

Providing hard core layer of required thickness using 40mm nominal size graded hard granite broken stones after compacting the underlying soil, spreading and levelling the stones 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 and laying plain cement concrete work in 1:4:8 mix (1 cement: 4 coarse river sand/manufactured sand: 8 40mm nominal size graded hard granite broken stones) including all charges for mixing concrete, laying, consolidating, curing, 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 but excluding the cost of shuttering, and as directed by the Engineer in-charge for foundation/ levelling course etc.

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 (M3) of concrete, using Portland slag cement , 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 reinforced with High strength deformed bars of 500D/550D grade conforming to IS 1786 for the entire length of piles. The pile shall be socketed into hardrock (boring through rock paid separately). All the materials used in the casting of concrete shall be done with the approval of Engineer-in-charge. The rate shall include the cost for all plants, tools, materials, tractor hiring charges, fuel, labour and other services for boring the piles including mobilisation and de-mobilisation of piling rigs, boring to the required depth and stabilisation of hole with bentonite slurry or other required material to suit site conditions, 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, as per the directions of Engineer-In-Charge, 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 the ground 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 (payment shall be made for length of pile below cut off level only). The quoted rate shall include boring through all kinds of strata (including debris, aggregates etc) except hard rock.

Providing and installing MS pipe liner fabricated out of 5 mm thick plain MS plate with internal dia 600mm conforming to Fe-410 S by welding, welding the joints, lengthening wherever required, providingstiffners, lifting hooks including all T&P as required, painting with bitumenpaint, shifting the same from position to positions required, driving in true vertical alignment in position to the required level for piles complete, all as directed by Engineer-In-Charge. Note: MS Pipe liner shall be casted as mentioned in drawings. However for payment purpose, the depth of height of liner shall be measured upto cutoff level only irrespective of the depth provided for retaining concrete/ bentonite slurry . The rate quoted shall demmed to include for the same.

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.

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, as per the directions of Engineer-in-charge (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.) 500 mm dia. piles

Providing and laying in position machine batched and machine mixed design mix M-35 grade cement concrete for reinforced cement concrete work, using cement content as per approved design mix, including pumping of concrete to site of laying but excluding the cost of centering, shuttering, finishing and reinforcement, including 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 Engineer-in-charge. (Note :- Cement content considered in this item is @ 400 kg/cum (M3). Excess/ less cement used as per design mix is payable/recoverable separately) - For all works upto Plinth Level.

Providing and laying in position machine batched and machine mixed design mix M-35 grade cement concrete for reinforced cement concrete work, using cement content as per approved design mix, including pumping of concrete to site of laying but excluding the cost of centering, shuttering, finishing and reinforcement, including 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 Engineer-in-charge. (Note :- Cement content considered in this item is @ 400 kg/cum (M3). Excess/ less cement used as per design mix is payable/recoverable separately) - For all works above Plinth Level.

Providing and laying in position machine batched and machine mixed design mix M-30 grade cement concrete for reinforced cement concrete work, using cement content as per approved design mix, including pumping of concrete to site of laying but excluding the cost of centering, shuttering, finishing and reinforcement, including 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 Engineer in-charge. (Note: - Cement content considered in this item is @ 340 kg/cum (M3). Excess cement used as per design mix is payable separately) – for all works below plinth level.

Providing and laying in position machine batched and machine mixed design mix M-30 grade cement concrete for reinforced cement concrete work, using cement content as per approved design mix, including pumping of concrete to site of laying but excluding the cost of centering, shuttering, finishing and reinforcement, including 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 Engineer in-charge. (Note: - Cement content considered in this item is @ 340 kg/cum (M3). Excess cement used as per design mix is payable separately) – for all works above plinth level

Reinforced cement concrete 1:1.5:3 (1 cement : 1.5 coarse sand(zone-III) : 3 graded stone aggregate 20 mm nominal size) work at all levels, excluding cost of centering, shuttering, finishing and reinforcement & including 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 Engineer in-charge.

Reinforced cement concrete work of M25 grade for precast cover slab/ Precast RCC sleeper 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 the mix, 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 (M3). 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 (75mm to 100mm thick) on drain / Precast RCC sleeper.

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 etc. including removal after completion /curing at all levels 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 etc. including removal after completion /curing at all levels for walls (any thickness).

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 etc. including removal after completion /curing at all levels for circular pile cap.

Supplying, fabricating, conveying, and fixing reinforcement to RCC works at all levels with high strength deformed bars of Fe500D/550D 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.

Solid cement block masonry with CM 1:6 (1cement: 6 sand) using cement blocks conforming to IS 2185-Part 1 of size 30x20x10cm and minimum average compressive strength of 4 N/mm2 including cost and conveyance of all materials and providing necessary scaffolding, curing, etc complete at all levels as directed by the engineer in-charge.

Supplying, conveying fabrication and erection of MS single section members 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, cleaning and painting shall be as per specifications.

Supply, fabrication and erection of structural steel work in built up members bolted or welded at all levels with MS angles, channels, tees, flats, RSJs,rods, pipes, hollow rectangular sections and plates etc. including cutting, welding, hoisting, erecting in position with necessary MS bolts etc. complete cleaning and painting shall be as per specifications.

Providing and fixing mild steel round holding down bolts with nuts and washer plates complete, cleaning and painting shall be as per specifications.

Supplying, Conveying, fabricating 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, cleaning and painting shall be as per specifications.

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 (M2) 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 existing structural 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.

Supplying and fixing chemical anchor bolts of HILTI or equivalent etc for anchoring the structural members to existing concrete column/beam as per manufactures specification. etc. complete to lines and levels at all levels with 12mm dia bolts (HIT-V Threaded rod or equivalent) fixed with Re500 V4 adhesive of HILTI or equivalent.

Providing 50mm thick bitumen sand mix with bitumen of grade VG -30 and clean river sand (120kg. bitumen/cum (M3) of sand) over a tack coat (total industrial asphalt to be used at 62.5kg /10sqm (M2) 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.

Boring in rock, including working in or under water and / or liquid mud, in foul conditions and pumping or bailing out of water and removing slush, including disposal of earth/ rock / slush etc. for all leads and all lifts, including preparing, providing and re-circulating bentonite slurry in the trench as and when required for all depths, including agitating bentonite slurry during trenching etc., upto the required depth of socketing as specified in GFC drawings.

Supplying and grouting pockets, base plates, etc. at all levels for static equipments /structural steel supports using nonshrink grout shrinkkomp 10 of M/s ACC or Conbextra GP I of M/s FOSROC or equivalent.

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/built up sections including dismembering and stacking with in premises of FACT as per direction of Engineer-in-charge.

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

Steel work in built up tubular (round, square or rectangular hollow tubes etc.) trusses etc., including cutting, hoisting, fixing in position and applying a priming coat of approved steel primer, including welding and bolted with special shaped washers etc. complete - Hot finished seamless type tubes.

Providing & fixing 250 GSM Non Woven Synthetic Geotextile around PVC pipes, by cutting roll into required sizes and numbers, tying them around the pipe with plastic twines or clips and placing the pipes in locations as directed by EiC. Pipe shall be paid extra.

Providing, laying & jointing 50 mm nominal outer diameter (OD) HDPE ( High Density Polyethylene (H.D.P.E) Pipes) pipe of material grade PE 100 / PN 8, confirming to IS 4984:1995 and IS 7328:1992 (amended upto date), including transportation and freight charges, inspection charges, loading / unloading charges, conveyance to the site of work & stacking the same in closed shade duly protecting from sunrays, rain & theft or physical damage, etc. complete.

Supply and installation of fully bonded HDPE membrane, with minimum thickness 1.5 mm, incorporating a pressure-sensitive adhesive layer to ensure integral bonding with horizontal and vertical concrete substrates. The membrane shall exhibit a minimum peel adhesion strength of 1000 N/m to prepared concrete surfaces and shall demonstrate chemical resistance and dimensional stability under exposure to aggressive environmental and chemical conditions.