Construction of Southern Taxi way joining Taxi Link at the beginning of Runway 29 with Taxiway H at Chandigarh Airfield.

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-in-charge.All kinds of soil

Carriage of material by mechanical transport including loading, unloading and stacking for a lead of 5 Km excluding initial 50m of lead.

Supplying and stacking at site :- Good earth

Banking excavated earth in layers not exceeding 20 cm in depth, breaking clods, watering, rolling each layer with ½ tonne roller, or wooden or steel rammers, and rolling every 3rd and top-most layer with power roller of minimum 8 tonnes and dressing up, in embankments for roads, flood banks, marginal banks, and guide banks etc., lead upto 50 m and lift upto 1.5 m :All kinds of soil

Preparation and consolidation of sub grade with power road roller of 8 to 12 tonne capacity after excavating earth to an average of 22.5 cm depth, dressing to camber and consolidating with road roller including making good the undulations etc. and re-rolling the sub grade and disposal of surplus earth with lead upto 50 metres.

Demolishing R.C.C. work manually/ by mechanical means including stacking of steel bars and disposal of unserviceable material within 50 metres lead as per direction of Engineer - in- charge.

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)

Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - All work up to 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 machine batched and machine mixed design mix M-25 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 @ 330 kg/cum.“Excess/ less cement used as per design mix is payable/recoverable separately).All works upto plinth level

Extra for providing richer mixes at all floor levels. Note:- Excess/less cement over the specified cement content used is payable /recoverable separately.Providing M-35 grade concrete instead of M-25 grade B.M.C./ R.M.C.

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.

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

Centering and shuttering including strutting, propping etc. and removal of form for all heights :Walls (any thickness) including attached pilasters, butteresses, plinth and string courses etc.

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

Providing & laying Pavement Quality Concrete In Taxi-Track /Apron /Runway having a minimum work test beam strength of 41 kg per sqcm at 28 days using not less than 350 kg of cement per cum of finished concrete, coarse sand and graded stone aggregate of 40 mm nominal size in appropriate proportions as per specified design criteria in airfield pavement, laid in panels as per drawing/design and as directed by the Engineer-In-Charge, mechanically vibrated including steel form work, including curing, cutting machanically dummy joints 10 mm wide x 1/3 of the thickness of slab, construction joints 10 mm wide x 25 mm deep etc. complete as per direction of Engineer-in-Charge using Slip form paver & particular specifications. The concrete mix shall be designed for the following criteria : (a) Laboratory design test beam flexural strength at 28 days = 49 kg/sqcm. (b) Specified minimum work test beam strength at 28 days in the field (41 kg per sqcm.) (c) Slump = 0 to 12 mm (d) Water cement ratio by weight = 0.48 (max.) Note : For the purpose of Tendering, the contractor shall base his rate on the assumption that the quantity of Cement used for one cum of finished concrete shall be 350 kg. If the actual quantity of cement required to be used as a result of the laboratory test is different from that assumed above necessary adjustments in the cost of extra / short cement used shall be made on the basis of rate of cement @ Rs.4218.75/- per MT plus 15% towards overheads and contractor's profit.

Providing and laying polythene sheet of 400 microns thick, over 6 mm thick well compacted bed of fine sand on the base course with overlaps of not less than 75mm longitudinally and 75mm transversly, complete as per specifications and directions of Engineer in-charge.

Providing and laying expansion joint 25mm thick using expanded polyethylene foam expansion joint filler pad in sheet form of brand "Supreme" capcell HD 100 or equivalent and 30mm dia non-cross-linked Expanded polyethylene armour rod as per manufacturers specifications. Density of expansion pad shall be 80-100 kg/cum and density of 30mm dia armour rod shall be 24-26 kg/cum, and filled with 10mm deep polysulphide (pour grade) RDL 941 EH, including painting of sides with polysulphide primer applied in two coats with brushes on the sides of joints at an internval of 30 minutes, armour rods of approved quality fixed with suitable arrangements complete as per particular specifications and directions of Engineer-in-charge. (Polysulphide and primer shall confirm to BS 5212-1990 and primer of grade RDL-942 of Choksey or equivalent. Note:(i) Mode of measurement shall be length of joint multiplied by net depth of filler pad in joint. (ii) Armour rod and polysulphide shall be paid separetly under item no. 17, 18 of BOQ.

Providing and filling polysulphide and laying in two parts with gun/ pour grade polyslphide techseal NDL 940 of Choksey or equilant including primer suitable for polysulphide in construction joint,dummy joints and expansion joints as per direction of Engineer-in-charge. (a) Construction Joint with 12 mm dia non-cross linked Expanded Polyethylene armour rod as per manufacturers specifications.\

Providing and filling polysulphide and laying in two parts with gun/ pour grade polyslphide techseal NDL 940 of Choksey or equilant including primer suitable for polysulphide in construction joint,dummy joints and expansion joints as per direction of Engineer-in-charge. (c) Expansion Joint with 30 mm dia non-cross-linked Expanded polyethylene armour rod as per manufacturers specifications

Painting runway/taxi track/apron marking with adequate nos of coats to give uniform finish with road marking paint of superior make as approved by the Engineer-in-charge, i/c cleaning the surface of ail dirt, scales, oil, grease and other foreign mater;al etc. and lining out complete. New work (Two or more coats)

Providing and Laying granular sub-base (GSB) layer to the required thickness using gravel, sand &/ or crushed stone dust or combination there of as per approved design mix ( by providing close graded material) to give a minimum CBR value 20, mixing by mix in place method with rotavator at OMC, spreding in uniform layers with motor grader on prepared surface and compacting with vibratory power road roller to achieve the desired density, complete as per direction of Engineer-in-charge and as per particular specification.

Providing and laying wet mix macadam including providing, mixing, laying and compaction, clean crushed and graded aggregate and granular material premixed with water to a dense mass on prepared subgrade in accordance with the requirement of the specifications and as directed by the Engineer-in-charge.

Providing & Laying Dry rolled lean concrete in proportion 1:15 (1cement :15 combined aggregate of specified grading) by weight, in sub-base including required steel shuttering, consolidation with power road roller of 8-10 tonnes, dressing to the required grade/camber & slope etc. including curing complete as per particular specifications and as directed by the Engineer-in-charge.

Providing and laying at or near ground level factory made kerb stone of M-25 grade cement concrete in position to the required line, level and curvature, jointed with cement mortar 1:3 (1 cement: 3 coarse sand), including making joints with or without grooves (thickness of joints except at sharp curve shall not to more than 5mm), including making drainage opening wherever required complete etc. as per direction of Engineer-in-charge (length of finished kerb edging shall be measured for payment). (Precast C.C. kerb stone shall be approved by Engineer-in-charge).

Constructing brick masonry manhole in cement mortar 1:4 ( 1 cement : 4 coarse sand ) with R.C.C. top slab with 1:2:4 mix (1 cement : 2 coarse sand : 4 graded stone aggregate 20 mm nominal size), foundation concrete 1:4:8 mix (1 cement : 4 coarse sand : 8 graded stone aggregate 40 mm nominal size), inside plastering 12 mm thick with cement mortar 1:3 (1 cement : 3 coarse sand) finished with floating coat of neat cement and making channels in cement concrete 1:2:4 (1 cement : 2 coarse sand : 4 graded stone aggregate 20 mm nominal size) finished with a floating coat of neat cement complete as per standard design : Inside size 120x90 cm and 90 cm deep including C.I. cover with frame (heavy duty) 560 mm internal diameter, total weight of cover and frame to be not less than 208 kg (weight of cover 108 kg and weight of frame 100 kg) : With common burnt clay F.P.S. (non modular) bricks of class designation 7.5.

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 450 mm dia RCC pipes.

Providing and applying tack coat using hot straight run bitumen of grade VG - 10, including heating the bitumen, spraying the bitumen with mechanically operated spray unit fitted on bitumen boiler, cleaning and preparing the existing road surface as per specifications :On W.B.M. @ 0.75 Kg I sqm

Providing and applying tack coat using hot straight run bitumen of grade VG - 10, including heating the bitumen, spraying the bitumen with mechanically operated spray unit fitted on bitumen boiler, cleaning and preparing the existing road surface as per specifications :On bituminous surface @ 0.50 Kg I sqm

Providing and laying of hot mix dense bitumen Macadam (DBM) using crushed stone aggregate of quality, size and grading as specified and 2% cement by weight of aggregate as filler of quality OPC 43 and viscosity grade 30 Bitumen(supplied in bulk) in proportion and as per job mix formula and laid to specified levels, grade and chambers as per particular specifications, drawings and as directed by the Engineer-in-chrge including compacting with 8-10 tonne preferably vibratory road roller of adequate capacity to achieve the specified value of compaction strength , surface accuracy complete (For tendering pupose VG bitumen of grade (VG-30) shall be taken as 95kg/cum of mix supplied in bulk produced by Govt. refineries.)

Providing and laying of Hot Mix Semi Dense Asphaltic Concrete (SDAC) using crushed stone aggregate of quality, size and grading as specified and 2% cement by weight of aggregates as filler of quality as specified and viscosity grade bitumen (supplied in bulk) in proportions as per job mix formula and laid to specified levels, grade and camber as per specification, drawings and as directed by Engineer in Charge including compacting with 8-10 tonne. preferably vibratory road roller of adequate capacity to achieve the specified values of compaction, strength, surface accuracy complete for tendering purpose VG bitumen of grade *(VG-30) content shall be taken as 114 kg/m3 of mix supplied in bulk produced by Govt. Refineries and 2% cement by weight of aggregates as filler material]

Constructing brick masonry manhole in cement mortar 1:4 ( 1 cement : 4 coarse sand ) with R.C.C. top slab with 1:2:4 mix (1 cement : 2 coarse sand : 4 graded stone aggregate 20 mm nominal size), foundation concrete 1:4:8 mix (1 cement : 4 coarse sand : 8 graded stone aggregate 40 mm nominal size), inside plastering 12 mm thick with cement mortar 1:3 (1 cement : 3 coarse sand) finished with floating coat of neat cement and making channels in cement concrete 1:2:4 (1 cement : 2 coarse sand : 4 graded stone aggregate 20 mm nominal size) finished with a floating coat of neat cement complete as per standard design : Inside size 90x80 cm and 45 cm deep including C.I. cover with frame (light duty) 455x610 mm internal dimensions, total weight of cover and frame to be not less than 38 kg (weight of cover 23 kg and weight of frame 15 kg) : With common burnt clay F.P.S. (non modular) bricks of class designation 7.5

Supply of cast iron isolating Transformer housing box, water tight round type, metal container of outside size 330 mm dia, height 450 mm made of 10 mm thick cast iron moulding all round, except the top surface, which is 15 mm thick, cast iron moulding suitable to receive a light fitting base plate on the top and underground housing associated with transformer, power cable and having two holes opposite as per site requirement at the periphery, center 75 mm above bottom surface suitable to receive 50 mm dia HDPE as required. The box should have two SS earh bolts of M10x40 mm tapped inside near the hole (4" away from hole center) and having drain hole at the bottom suitably tapped to receive 15mm dia GI pipe and having clear opening of 220 mm at the top surface and 06 Nos. M10 tapped hole having center to center distance of 260mm along with bolts as required as per the drawings.

Installation of transformer housing box soil & disposal of debries at a lead of atleast 50 mtrs i/c making 150mm thick cement concrete (1:2:4) all around the box and bottom i/c. providing and fixing 150mm long 15mm dia B-class GI pipe at the bottom of the housing box for drainage of water i/c. excavation, alignment, leveling, finishing with cement plaster of projected surface of housing box of size 1 mt. x 1 mt. approx. and neat cement finish on the top etc. as reqd and as per direction of Engineer-in charge .

Laying of 50 mm outer dia HDPE pipe by cutting soft soil upto 50cm, connecting both/one end to existing transformer housing box i/c refilling and making good the damages etc. as required as per specification.

Laying of 50 mm dia HDPE pipe of approved make by cutting bituminous/concrete surface upto 30cm, connecting both/one end to existing transformer housing box i/c refilling and making good the damages etc. as required as per specification.

NSC Projects Pvt. Ltd.

VISHAL INFRASTRUCTURE LTD

Singla Constructions Limited

S S BUILDERS

BSCPL

OASIS TECHNOCONS LIMITED