Construction of New Over head tank, under ground sump and miscellaneous works at Kadapa Airport

Amount

SH: CIVIL WORKS 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 within airport premises 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 for all lift

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

Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - All work up to plinth level : 1:2:4 (1 cement : 2 coarse sand (zone-III) derived from natural sources : 4 graded stone aggregate 20 mm nominal size derived from natural sources)

Providing and laying in position cement concrete of specified grade excluding the cost of centring and shuttering All work upto plinth level. 1:4:8 (1 Cement : 4 coarse sand (zone-III) : 8 graded stone aggregate 40 mm nominal size)

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 stone aggregate 20 mm nominal size)

Reinforced cement concrete work in walls (any thickness), including attached pilasters, buttresses, plinth and string courses, fillets, columns, pillars, piers, abutments, posts and struts etc. above plinth level up to floor five level, excluding cost of centering, shuttering, finishing and reinforcement : 1:1.5:3 (1 cement : 1.5 coarse sand(zone-III) derived from natural sources : 3 graded stone aggregate 20 mm nominal size derived from natural sources)

Centering and shuttering including strutting, propping etc. and removal of form for : Foundations, footings, bases of columns, etc. for mass concrete

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

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

Centering and shuttering including strutting, propping etc. and removal of form for : Lintels, beams, plinth beams, girders, bressumers and cantilevers

Centering and shuttering including strutting, propping etc. and removal of form for : Columns, Pillars, Piers, Abutments, Posts and Struts

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

Steel reinforcement for R.C.C. work including straightening, cutting, bending, placing in position and binding all complete above plinth level. Thermo-Mechanically Treated bars of grade Fe-500D or more.

Structural steel work riveted, bolted or welded in built up sections, trusses and framed work, including cutting, hoisting, fixing in position and applying a priming coat of approved steel primer all 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 welded type tubes

Chequerred precast cement concrete tiles 22 mm thick in footpath & courtyard, jointed with neat cement slurry mixed with pigment to match the shade of tiles, including rubbing and cleaning etc. complete, on 20 mm thick bed of cement mortar 1:4 (1 cement: 4 coarse sand). Ordinary cement without any pigment

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

Finishing walls with Acrylic Smooth exterior paint of required shade : New work (Two or more coat applied @ 1.67 ltr/10 sqm over and including priming coat of exterior primer applied @ 2.20 kg/10 sqm)

Applying priming coat: With ready mixed red oxide zinc chromate primer of approved brand and manufacture on steel work (second coat)

Painting with synthetic enamel paint of approved brand and manufacture to give an even shade : Two or more coats on new work

Providing and laying APP (Atactic Polypropylene Polymer) modified prefabricated five layer 3 mm thick water proofing membrane, black finished reinforced with non-woven polyester matt consisting of a coat of bitumen primer for bitumen membrane @ 0.40 litre/sqm by the same membrane manufacture of density at 25°C, 0.87-0.89 kg/ litre and viscocity 70-160 cps. Over the primer coat the layer of membrane shall be laid using Butane Torch and sealing all joints etc, and preparing the surface complete. The vital physical and chemical parameters of the membrane shall be as under : Joint strength in longitudinal and transverse direction at 23°C as 650/ 450N/ 5cm. Tear strength in longitudinal and transverse direction as 300/ Code Description Unit Rate No. SUB HEAD : 14.0 REPAIRS TO BUILDING 255 250N. Softening point of membrane not less than 150°C. Cold flexibility shall be upto -2°C when tested in accordance with ASTM, D - 5147. The laying of membrane shall be got done through the authorised applicator of the manufacturer of membrane : 3 mm thick

Demolishing cement concrete manually/ by mechanical means including disposal of material within 50 metres lead as per direction of Engineer - in - charge. Nominal concrete 1:3:6 or richer mix (i/c equivalent design mix)

Dismantling of flexible pavement (bituminous courses) by mechanical means and disposal of dismantled material up to a lead of 1 kilometre, as per direction of Engineer-in-charge.

Providing and fixing Chlorinated Polyvinyl Chloride (CPVC) pipes, having thermal stability for hot & cold water supply including all CPVC plain & brass threaded fittings This includes jointing of pipes & fittings with one step CPVC solvent cement, trenching, refilling & testing of joints complete as per direction of Engineer in Charge. External work :50 mm nominal outer dia Pipes

Providing and fixing G.I. pipes complete with G.I. fittings and clamps, i/c cutting and making good the walls etc. Internal work - Exposed on wall : 50 mm dia nominal bore

Making connection of G.I. distribution branch with G.I. main of following sizes by providing and fixing tee, including cutting and threading the pipe etc. complete : 50 to 80 mm nominal bore

Painting G.I. pipes and fittings with two coats of anti-corrosive bitumastic paint of approved quality : 50 mm diameter pipe

Supplying and fixing C.I. cover without frame for manholes : 455x610 mm rectangular C.I. cover (light duty) the weight of the cover to be not less than 23 kg

Providing and applying of swellable type water stop tape, 19mm x 25mm thick in linear meter (expansive nature) for construction joints treatment of RCC structure such as raft slab, retaining walls, water storage tank and at the junctions of raft slab with the retaining walls etc.. After cleaning the surface, one coat of required primer for swellable water stop tape shall be applied throughout the length of the joint @3.78 litre per 240 running meter. Over the primed surface swellable type water stop tape shall be placed. The work shall be carried out all complete as per specification and the direction of the Engineer-In-Charge. The product performance shall carry guarantee for 10 years against any leakage.

Providing and fixing G.I. pipes complete with G.I. fittings and clamps, i/c cutting and making good the walls etc. Internal work - Exposed on wall 100 mm dia nominal bore

Providing and fixing G.I. pipes complete with G.I. fittings including trenching and refilling etc: 100 mm dia nominal bore

Making connection of G.I. distribution branch with G.I. main of following sizes by providing and fixing tee, including cutting and threading the pipe etc. complete : 80 to 100 mm nominal bore

Providing and fixing brass ball valve of ZOLOTO or equivalent in water supply line, all complete as per direction of Engineer-in-Charge. 50 mm nominal bore

Providing and fixing brass ball valve of ZOLOTO or equivalent in water supply line, all complete as per direction of Engineer-in-Charge. 100 mm nominal bore

Painting G.I. pipes and fittings with two coats of anti-corrosive bitumastic paint of approved quality : 100 mm diameter pipe

Providing and fixing GI pipe sleeves of the required diameter in RCC walls, including an external flange arrangement for seamless connection to the continuity pipe, complete as per the directions of the Engineer-in-Charge. 100 mm dia sleeve

Providing and fixing GI pipe sleeves of the required diameter in RCC walls, including an external flange arrangement for seamless connection to the continuity pipe, complete as per the directions of the Engineer-in-Charge. 50 mm dia sleeve

Provision of structural designs for an RCC overhead tank, an underground sump, and a steel staircase connecting two overhead tanks to have a safe access. The designs shall be prepared by a structural consultant and subsequently vetted by a government engineering college for compliance with standards and structural integrity.For the purpose of designing, the net safe bearing capacity of soil@depth of 1.5 metre from NGL may be noted as 25T/sqm.

SH: ELECTRICAL WORKS Supply of XLPE insulated PVC sheathed, armoured Aluminium conductor power cable of 1.1 KV grade of following size as per IS 7098 part I 1988 with upto date amendments etc complete as required (a) 4C x 25 Sqmm

Supply of water proof PVC insulated PVC sheathed copper conductor flat submersible power cable of 1.1KV grade of following size as per IS 694 with uptodate amendments for complete as required. (a) 3C x 4 Sqmm

Supply of PVC insulated PVC sheathed multicore industrial cables with bright annealed bare copper conductor of 1.1KV grade of following size as per IS 694 with uptodate amendments complete as required. (a) 3C x 1.5 Sqmm

Supply of Horizontal Centrifugal openwell submersible pumpset, preferably with 50mm dia. outlet & inlet strainer having capacity to deliver minimum 450 LPM at 18mtr Head, made of cast iron impeller, cast iron body , Stainless Shaft etc., complete as required.

Installation , Testing and commisioning of Horizontal Centrifugal openwell submersible pumpset in Underground tank including making necessary connections with delivery pipe of 50 mm dia, by providing & installing the following:- (i) suitable reducer (if required), (ii) C.I Gate valve ,(iii) Cast Iron Non Return Valve with Flanged Coupling (iv) Class B GI pipe of 50mm dia & length (not more than 5 mtrs), & (v) bends etc., complete as required.

Laying of following size DWC HDPE pipe ISI marked along with allaccessories like socket, bend, couplers etc. conforming to IS 14930, Part II completewith fitting and cutting, jointing etc.direct in ground (75 cm below ground level)including excavation and refilling the trench but excluding sand cushioning and protective covering etc. , complete as required. (The required DWC pipe shall be provided by AAI) (OD-63 mm & ID-50 mm nominal)

SITC of DOL Starter panel suitable for supplied 3-Ph openwell submersible pump called for in BOQ of this contract in sheet steel enclosure having protection for dry run , single phasing ,overload , phase reversal etc , ON/OFF Indication lamps , Push buttons, Ammeter and Voltmeter i/c making connections and mounting on wall surface with suitable clamps, bolts , washers etc complete as required

Laying of one number XLPE / PVC insulated and PVC sheathed power cable of 1.1 KV grade of following size in the existing RCC/ HUME/ METAL/DWC/HDPE pipe as required. .Upto 35 sq. mm

Laying and fixing of one number XLPE/PVC insulated and PVC sheathed power cable of 1.1 KV grade of following size on wall surface/cable tray as required. Upto 35 sq. mm (clamped with 1mm thick saddle)

Laying of one number XLPE/PVC insulated and PVC sheathed power cable of 1.1 KV grade of following size in the existing masonry open duct as required. Upto 35 sq. mm

Supplying and making end termination with brass compression gland and aluminium lugs for following size of PVC insulated and PVC Sheathed/XLPE aluminium condutor cable of 1.1KV grade as required. 4Cx 25 Sq.mm

Installation , testing and commisiioning of prewired LED fittings of al types complete wit required mounting accessories directly on ceiling/wall/including connecting with 1.5 sq.mm PVC insulated copper conductor cable and earthing etc complete as required.

SITC of 3-Phse , 32 Amps, 415 V, 50 Hz, Reverse / Off/ Forward Control switch along with enclosure suitable for wall mounting along with all accessories for mounting etc complete as required.

NIRMAAN PROJECTS (BID ID -897535)

ESHYAN INFRATECH (BID ID -897621)

SIVA SAI CONSTRUCTIONS (BID ID -896935)