Construction of Rain Water Harvesting System at Begumpet Airport,Hyderabad

Amount

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 getting out and disposal of excavated earth lead upto 50 m and lift upto 1.5 m, as directed by Engineer incharge. All kinds of soil

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

Surface dressing of the ground including removing vegetation and inequalities not exceeding 15 cm deep and disposal of rubbish, lead up to 50 m and lift up to 1.5 m. All kinds of soil

Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - All work up to plinth level :1:5:10 (1 cement : 5 coarse sand (zone-III) derived from natural sources : 10 graded stone aggregate 40 mm nominal size derived from natural sources)

Centering and shuttering including strutting, propping etc. and removal of form for Suspended floors, roofs, landings, balconies and access platform

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 and laying in position ready mixed or site batched design mix cement concrete for reinforced 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, finishing and reinforcement 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 specified minimum 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 M25 grade with minimum cement content of 330 kg /cum

Brick work with common burnt clay modular bricks of class designation 7.5 in foundation and plinth in: Cement Mortar 1:4 (1 cement : 4 coarse sand).

15 mm cement plaster on the rough side of single or half brick wall of mix :1:6 (1 cement: 6 fine sand)

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.

Boring/drilling bore well of required dia for casing/ strainer pipe, by suitable method prescribed in IS:2800 (part I), including collecting samples from different strata, preparing and submitting strata chart/ bore log, including hire & running charges of all equipments, tools, plants & machineries required for the job, all complete as per direction of Engineer-in-charge, upto 90 metre depth below ground level.All types of soil 300 mm dia

Supplying, assembling, lowering and fixing in vertical position in bore well, unplasticized PVC medium well casing (CM) pipe of required dia, conforming to IS: 12818, including required hire and labour charges, fittings & accessories etc. all complete, for all depths, as per direction of Engineer -in-charge. 150 mm nominal size dia

Supplying, assembling, lowering and fixing in vertical position in bore well unplasticized PVC medium well screen (RMS) pipes with ribs, conforming to IS: 12818, including hire & labour charges, fittings & accessories etc. all complete, for all depths, as per direction of Engineer-in-charge. 150 mm nominal size dia

Supplying, filling, spreading & leveling stone boulders of size range 5 cm to 20 cm, in recharge pit, in the required thickness, for all leads & lifts, all complete as per direction of Engineer-in-charge.

Supplying, filling, spreading & leveling coarse sand of size range 1.5 mm to 2 mm in recharge pit, in required thickness over gravel layer, for all leads & lifts, all complete as per direction of Engineer-incharge.

Providing and fixing factory made precast RCC perforated drain covers, having concrete of strength not less than M-25, of size 1000 x 450 x 50 mm, reinforced with 8 mm dia four nos longitudinal & 9 nos cross sectional T.M.T. hoop bars, including providing 50 mm dia perforations @ 100 to 125 mm c/c, including providing edge binding with M.S. flats of size 50 mm x 1.6 mm complete, all as per direction of Engineer-in-charge.

Providing and fixing of non woven geotexitile having thickness of 400 gsm having minimum tear strength of 250 ASTM D4533 having punching strength of 1550 plus as per ASTM D6241 having elongation at break % of 57 plus as per ASTM D4595 in single layer, made out of long of fibres to hold the modules including cutting,sizing,heat welding and needle punched for high porosity and proper percolation. Complete as per entire specification of engineer-in-charge

supply & installation of polymer block having size of 800*700*663mm or 683*410*450mm. Volume per storage tank varies from 126 litres to 422 litres. Diameter for connection with pipes 110,125,160,200,250mm having installation depth upto 4mts. Load bearing should at least 30 tonnes per sqm & lateral load upto 14 tonnes per sq. approved manufactures of blocks should be Aco, Frankische, Retas Enviro Solutions, Rehau,poly pipe

Supply & Installation of FRP Filters having SS-304 mesh bracket with dia 750mm and height 1000mm with inlet and outlet of 6" dia having flow water of atleast 82.5 CUM/Hr capable of removing particles from inflow wate. FRP filter should be Griha certified under criterions 21 & 18 and GRIHA criterion 9. Certificate should be valid on date of installation.

Supplying of laying 160mm dia of 6kg per sqcm pressure PVC (SN-8/SDR 34) UGD pipe for connection as per satisfaction of Engineering in charge.

Providing & laying of 200mm dia pipe having 6 kg per sq.cm. pressure PVC (SN-8/SDR 34) UGD pipe pipe for connection as per satisfaction of Engineering in charge.

ASHWATH INFRATECH PRIVATE LIMITED

ARUDHI PROJECTS

S.K. CONSTRUCTION

V R NIRMAN PRIVATE LIMITED

ARP ENTERPRISES

ZYRAH INFRATECH

KSHETRA INFRATECH

CHAUDHARY CONSTRUCTION COMPANY PRIVATE LIMTED

PIONEER PULTRUTECH ENGINEERING PVT LTD

MEDA NARASIMHULU & CO