Establishment of Civil Enclave at Adampur (Pb) SH Construction of Apron, Taxi Track and Associated Works

Amount

Clearing grass and removal of the rubbish up to a distance of 50 m outside the periphery of the area cleared.

Excavation for earthwork in all kinds of soil with hydraulic excavator of 0.9 cum bucket capacity including cutting and loading in tippers, trimming bottom and side slopes, in accordance with requirements of lines, grades and cross sections, and transporting to the embankment location with all lifts and lead within Airport premises as directed by Engineer-in-Charge.

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.

Earth work in excavation by mechanical means (Hydraulic excavator) / manual means in foundation trenches or drains (not exceeding 1.5m in width or 10 sqm on plan), including dressing of sides and ramming of bottoms, lift upto 1.5 m, including getting out the excavated soil and disposal of surplus excavated soil as directed, within a lead of 50m. All kinds of soil.

Extra for every additional lift of 1.5 m or part thereof in excavation / banking excavated or stacked materials. All kinds of soil

Filling available excavated earth in depressions, low lying area in layers not exceeding 20cm in depth, consolidating each deposited layer by watering and ramming with 0.5 tonne roller and every 3rd & topmost layer with 8-10 tonne vibratory roller, lead up to 500 m and lift upto 3.5 m complete as per directions of Engineer-in-Charge.

Supplying & Filing good earth brought out from approved quarry outside the Airport premises including all leads/royalty etc. complete (Excluding Rock) in embankments, depressions etc. in layers not exceeding 20cm in depth, consolidating each deposited layer by watering & ramming with 0.5 tonne roller and every 3rd & topmost layer with 8-10 tonne vibratory roller etc. complete as per direction of Engineer-in-Charge.

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)

Dismantling steel work in single sections including dismembering and stacking within 50 metres lead in: Channels, angles, tees and flats

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.

Consolidation of sub grade with power road roller of 8 to 12 tonne capacity including making good the undulations etc. with earth or quarry spoils etc. and re-rolling the sub grade and disposal of surplus earth with lead upto 50 metres as per directions of Engineer-in-Charge.

Preparation of granular sub-base by providing close graded material (Grade-II), conforming to specifications mixing in a mechanical mix plant at OMC, carriage of mixed material by mechanical transport to work site, for all leads and lifts, spreading in uniform layers of specified thickness with mechanical means including neatly leveling & dressing on prepared surface and compacting with vibratory power roller to achieve the desired density, complete and as per direction of Engineer-in-charge.

Providing, laying, spreading and compacting graded stone aggregate (size range 53 mm to 0.075 mm ) to wet mix macadam (WMM) specification including premixing the material with water at OMC in mechanical mix plant , carriage of mixed material by mechanical transport to site, for all leads and lifts, laying in uniform layers with mechanical paver finisher in sub- base / base course on well prepared surface and compacting with vibratory roller of 8 to 10 tonne capacity to achieve the desired density, complete as per specifications and directions of Engineer-in-Charge.

Providing and laying dry lean cement concrete with coarse and fine aggregate conforming to 1S:383, the size of coarse aggregate not exceeding 26.5 mm, aggregate cement ratio not exceed 15: 1, aggregate gradation after blending to be as per specification, cement content not to be less than 150 kg/cum, optimum moisture content to be determined during trial length construction, concrete strength not to be less than 10 MPa at 7 days, mixed in a batching plant as per mix design, transported to site, laid with a paver with electronic sensor, compacting with 8-10 tonne vibratory roller, finishing and curing etc complete as per specification and direction of the Engineer-in-Charge.

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 75 mm longitudinally and 75 mm transversly complete as per specifications and direction of Engineer-In-Charge

Providing and laying Pavement Quality Concrete (PQC) produced in a batching plant having a Characteristic flexural strength i.e. minimum flexural strength of 4.1 MPa at 28 days using 350 Kg of ordinary Portland cement of 43 grade, fine aggregate, graded stone aggregates of 40 mm nominal size in appropriate proportion as per specification and job mix formula, laid in panels as per drawings/design as approved by the Engineer-In-Charge using Slip form paver including making necessary provision for expansion joint, curing, etc. complete as per direction of Engineer-in-Charge and Technical Specifications. The item for execution shall also include the following operations: i) Mechanically cutting dummy joints 3mm wide x 1/3rd thickness of slab which is subsequently widened to 10mm for the top 25mm depth and construction joints 10mm wide x 25mm deep as per specification. ii) Providing and laying in position Polysulphide sealant of approved make conforming to BS-5212-1990 or IS: 11433-1995. in construction/dummy joints including rounding off edges, applying 2 coats of approved primer compatible with the brand of Polysulphide and preparing the surface and applying masking tape along the edge of joint to prevent accidental spillage of sealant on top surface and to give neat finish to the sealant and removing the masking tape after application of sealant etc. complete as per direction of Engineer in-Charge & Technical Specifications. a) Construction Joints of size 10 mm wide and 10 mm deep over 12 dia closed-cell Polyethylene foam back-up rod, as per manufacturers specifications and sketch at Appendix-'A'. b) Dummy Joints of size 10 mm wide and 10 mm deep over 12 mm dia closed-cell Polyethylene foam back-up rod, as per manufacturer’s specifications and sketch at Appendix-'A'. Note :- (i) For the purpose of tendering, the quantity of cement used for one Cum. of finished concrete may be assumed as 350 Kg. If the actual quantity of cement required as per laboratory mix design varies from the quantity assumed above, necessary cost adjustment for deviation in the quantity of cement as per mix design, if any, shall be made. (ii) The cost adjustment for the extra/short use of cement to be used as a result of mix design shall be inclusive of contractor profit & over heads @ 15% and plus labour cess @ 1%. The rate of cement applicable shall be the Base price of cement as issued by DG (W) or concerned Zonal Chief Engineer, CPWD or as decided by ED (Engg) if above rates not declared by CPWD as on the last stipulated date of receipt of tender i/c extension if any or the purchase price wichever is lower.

Providing and laying in position for expansion joint, 25mm thick pre-cut Synthetic joint filler board of approved make conforming to IS:1838(part 3)-2011, 45 mm from top (to be removed at the time of filling of Polysulphide sealant), complete as per Technical Specifications and directions of Engineer-in-charge. (Note: Mode of measurement shall be length of joint multiplied by depth of filler board including precut portion.)-unit m2

Providing and laying in position Polysulphide sealant of approved make conforming to BS-5212-1990 or IS: 11433-1995. in expansion joints including rounding off edges, applying 2 coats of approved primer compatible with the brand of Polysulphide and preparing the surface and applying masking tape along the edge of joint to prevent accidental spillage of sealant on top surface and to give neat finish to the sealant and removing the masking tape after application of sealant etc. complete as per direction of Engineer in-Charge & Technical Specifications. a) Expansion Joints of size 25 mm wide and 10 mm deep over 30 mm dia closed-cell Polyethylene foam back-up rod, as per manufacturers specifications and sketch at Appendix-'A'. [Note: For purpose of payment, quantity (Length x Width x Depth) of Polysulphide sealant only will be measured.] unit cm3

Providing and applying tack coat using hot straight run bitumen of Viscosity grade VG-10 (80/100) including heating the bitumen, spraying the bitumen with mechanically operated spray unit fitted on bitumen boiler, cleaning the preparing the existing road surface as per specifications.

a) 0.75 kg/sqm. on W M M.

b) 0.50 kg/sqm on DBM

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 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).

Providing and laying 60mm thick faciory made cement concrete interlocking paver block of M -30 grade made by block making machine with strong vibratory compaction, of approved s;ze, design & shape, laid in required colour and pattern over and including 50mm thick compacted bed of coarse sand, filling the joints with line sand etc. all complete as per the direction of Engineer-in-charge.

Brick work with common burnt clay F.P.S. (non modular) bricks of class designation 7.5 in foundation and plinth in: Cement mortar 1:6 (1 cement : 6 coarse sand).

Cement concrete flooring 1:2:4 (1 cement : 2 coarse sand : 4 graded stone aggregate) finished with a floating coat of neat cement including cement slurry, but excluding the cost of nosing of steps etc. complete. 40mm thick with 20mm nominal size stone aggregate.

15 mm cement plaster 1:3 (1 Cement : 3 Coarse Sand) finished with a floating coat of neat cement on the rough side of single or half brick wall

Half brick masonry with common burnt clay F.P.S. (non modular) bricks of class designation 7.5 in foundations and plinth in : Cement mortar 1:4 (1 cement : 4 coarse sand)

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

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.

Centering and shuttering including strutting, propping etc. and removal of form for all heights :

a) Foundations, footings, bases of columns, etc. for mass concrete

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

c) Suspended floors, roofs, landings, balconies and access platform

d) Edges of slabs and breaks in floors and walls Above 20 cm wide

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. All works upto plinth level (Note :- Cement content considered in this item is @ 330 kg/cum.“Excess/ less cement used as per design mix is payable/recoverable separately).

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 BMC/ RMC. (Note : Cement content considered in M-35 is @ 350 kg/ cum)

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.

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

Structural steel work in single section, fixed with or without connecting plate, including cutting, hoisting, fixing in position and applying a priming coat of approved steel primer all complete.

Steel work welded in built up sections/ framed work, including cutting, hoisting, fixing in position and applying a priming coat of approved steel primer using structural steel etc. as required. In gratings, frames, guard bar, ladder, railings, brackets, gates and similar works

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

Painting runway/taxi track/apron marking with adequate no. of coats to give uniform finish with road marking paint of superior make as approved by the Engineer-in-charge including cleaning the surface of all dirt, scales, oil grease and other foreign material etc. and lining out complete. New work-Two or more coats

Supply of cast iron isolating Transformer housing box, water fight round type, metal container of outside size 330 mm 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 a clear hole centre at one side surface centre 75 mm above bottom surface suitable to receive one/ two No. of 50 mm dia "B" class GI pipe and including check nuts as required and another hole at 175 mm from the bottom of the CI Box to receive one no 15 mm dia, "B" class, GI pipe and check nut as required. The box should have two SS earth bolts of M10 x 40 mm topped inside near the hole (4" away from the hole centre) and having a drain hole at the bottom suitably tapped to receive 15 mm dia, "B" class GI pipe and having clear opening of 220 mm at the top surface and 06 Nos. M10 tapped hole at the hole centre 260 mm to receive fitting base plate as required as per the drawings. Single hole

Installation of transformer housing boxes with a base concrete of 1:3:6 of size 630 x 630 x 100 mm thick, all round concrete of 1:2:4 cement including providing and fixing 150 mm long 15 mm dia. "B" class GI pipe with check nut for drainage of water including required excavation and refilling (The location, level alignment with respect to apron edge marking ) etc. complete as required.

Providing, laying and fixing following dia G.I. pipe (medium class) in ground complete with G.I. fittings including trenching and refilling , making good the same for connecting to transformer housing box, threading at both ends providing check nuts etc. complete as required. --- 50 mm dia

SBG Infracon Pvt. Ltd.

SARAOGI BUILDERS LTD