Construction of Taxiway for (FTOs) on North side of Runway 07 at Bhavnagar Airport.

Amount

Removal of Unserviceable Soil with Disposal upto 1000 metres (Removal of unserviceable soil including excavation, loading and disposal upto 1000 metres lead but excluding replacement by suitable soil which shall be paid separately.)

Supplying and laying moorum with plasticity index not more than 6,liquid limit not more than 25 and having minimum CBR 8% obtained from approved quarry in embankment or depresssion in layers not exceeding 20cm (loose) in depth ( or any thickness as approved by the Engineer-in-charge in case vibratory roller is used) including breaking clods, watering, consolidating each layer with power road roller 8-10 tonnes weight or vibratory roller of adequate capacity under optimum moisture content (OMC) condition to give density not less than 98% of the maximum modified standard proctor density, minimum K-Value(Modulus of Subgrade) of 35 MN/cum including leveling, fine dressing to the required grade, camber and slope etc. complete as per specifications and as directed by the Engineer-in-charge with all leads and lifts. The Plate Load Test shall be carried out as per relevant IS Code. NOTE: 1.The item includes payment of necessary royalty, carriage of moorum upto work site for all leads and lifts involved from all sources acquired or arranged by the Contractor & all testing charges except for Plate Load Test which will be paid separately. 2.Payment to be made for compacted quantity only.

Consolidation of sub grade with power road roller of 8 to 12 tonne capacity, dressing to camber including making good the undulations etc. and re-rolling the sub grade as per direction on Engineer-in-charge.

Construction of granular sub-base (GSB) by providing close graded material, conforming to specifications, mixing in a mechanical mix plant at OMC, carriage of mixed material by tippers to work site, for all leads and lifts, spreading in uniform layers of specified thickness with motor grader on prepared surface and compacting with vibratory power roller to achieve the desired density, complete as per specifications and direction of Engineer-in-charge: With material confirming to grade-I (size range 53 mm to 0.075 mm).

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 tipper to site, laying in uniform layers with paver finisher in sub- base / base course on well prepared surface and compacting with vibratory roller to achieve the desired density, complete as per specifications and directions of Engineer-in-Charge.

Construction of dry lean cement concrete sub base over a prepared sub-grade with coarse and fine aggregate conforming to IS:383, the size of coarse aggregate not exceeding 25 mm, aggregate cement ratio not exceeding 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, transported to site, laid with a paver with electronic sensor, compacting with 8-10 tonnes vibratory roller, finishing and curing etc. complete as per specification and direction of Engineer-in-charge.

Providing and laying Pavement Quality Concrete (PQC) produced in a batching and mixing plant having a Characteristic flexural strength i.e. flexural strength of 4.1 MPa at 28 days using Ordinary Portland cement of 43/53 grade conforming as per relevant IS codes, to be mixed at site, with 0.5% Super plasticizer by mass of cementitious material, fine aggregate, graded stone aggregates of 40 mm nominal size in appropriate proportion as per specification and job mix formula, laying at site in panels as per drawings / design, spreading and compacting mechanically by using needle and surface vibrators, Screed vibrators & floater, levelling to required slope/ camber, finishing with required texture, with approved anti friction layer, including steel form work with sturdy M.S. channel sections, making necessary provision for expansion, dummy and construction joint by groove cutting machine, providing and filling joints with joint filler board and Polysulphide sealant of approved make, curing and making profile complete as per specifications and directions of Engineer-in-charge. The item for execution shall include all operations making pavement for intended use but not limited to following: (i) Polyethylene sheet of thickness 400 micron conforming to IS: 2508 with 6mm thick fine sand layer. (ii) 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).

(iii) 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. iv) Providing and laying in position Polysulphide sealant of approved make conforming to BS-5212-1990 or IS: 11433-1995 in expansion/ 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. as per the details below: a) Expansion Joints of size 25 mm wide and 10 mm deep over 30mm dia expanded closed-cell Polyethylene foam back-up/backer rod of minimum density 22 Kg/Cum, as per manufacturer’s specifications and sketch at Appendix-‘A’. b) Construction Joints of size 10 mm wide and 10 mm deep over 12mm dia expanded closed-cell Polyethylene foam back-up/backer rod of minimum density 22 Kg/Cum, as per manufacturer’s specifications and sketch at Appendix-‘A’. c) Dummy Joints of size 10 mm wide and 10 mm deep over 12 mm dia expanded closed-cell Polyethylene foam back-up/backer rod of minimum density 22 Kg/Cum, as per manufacturer’s specifications and sketch at Appendix-‘A’. d) Making profile as per DGCA CAR, panel drawing showing dummy, construction, expansion joints location.

NOTE : The quantity of cement, type of cement and super plasticizer for one Cum. of finished concrete specified are for tendering purpose only. The contractor shall quote his rates assuming quantity of OPC cement as 360 Kg/Cum. In addition, if the actual quantity of cement & super plasticizer required as per laboratory mix design varies from the quantity assumed above, necessary cost adjustment for deviation in the quantity of cement and super plasticizer as per mix design, if any, shall be done as per the rate of cement and super plasticizer in actual supply voucher from manufacturer / authorized dealer at the time of execution. In the case of authorized distributor, the rate may be authenticated by the manufacturer. The rate of cement and super plasticizer exclusive of GST shall only be considered for payment.

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 material etc. and lining out complete. New work (Two or more coats)

Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - All work up to plinth level : a)1:4:8 (1 Cement : 4 coarse sand (zone-III) derived from natural sources : 8 graded stone aggregate 40 mm nominal size derived from natural sources)

Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - All work up to plinth level : a) 1:2:4 (1 Cement : 2 coarse sand (zone-III) derived from natural sources : 4 graded stone aggregate 40 mm nominal size derived from natural sources)

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

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. a) 450 mm dia RCC Pipes.

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 a) 600 mm dia RCC pipes.

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 a) 900 mm dia RCC pipes.

Providing and fixing G.I. chain link fabric fencing of required width in mesh size 25x25 mm made of G.I. wire of dia 3 mm including strengthening with 2 mm dia wire or nuts, bolts and washers as required complete as per the direction of Engineer-in-charge.

Providing and fixing concertina coil fencing with punched tape concertina coil 600 mm dia 10 metre openable length ( total length 90 m), having 50 nos rounds per 6 metre length, upto 3 m height of wall with existing angle iron ‘Y’ shaped placed 2.4m or 3.00 m apart and with 9 horizontal R.B.T. reinforced barbed wire, stud tied with G.I. staples and G.I. clips to retain horizontal, including necessary bolts or G.I. barbed wire tied to angle iron, all complete as per direction of Engineer-in charge, with reinforced barbed tape(R.B.T.) / Spring core (2.5mm thick) wire of high tensile strength of 165 kg/ sq.mm with tape (0.52 mm thick) and weight 43.478 gm/ metre (cost of M.S. angle, C.C. blocks shall be paid separately)

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.

Carrying out plate load test to determine modulus of subgrade reaction (K – value) on prepared subgrade at location decided by the engineer in-charge as per IS code 9214-1979 and submission of test results as per direction of Engineer in-charge. The test should be carried out by the specialised agency / firm as approved by the 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 brick work manually/ by mechanical means including stacking of serviceable material and disposal of unserviceable material within 50 metres lead as per direction of Engineer-in-charge. In cement mortar

Supply of 450 mm high, 330 mm outer dia, 220 mm dia top opening isolating transformer housing box, made of 10 mm thick (nominal) except top which is 15 mm thick (nominal) CI mould of foundry grade pig iron confirming to IS-224, suitable for installation of elevated air-field light fittings with 6 Nos. M-10 tapped holes at hole centre of 260 mm including 03 nos. ending holes for cable entry & earth pipe holes (02 nos. diametrically & 01 no. perpendicularly) suitable to receive 50 mm GI/HDPE pipe & 15 mm dia. GI earth pipe, SS earth bolts and nuts, washes, drain holes and painting etc. complete as required.

Installation of following size transformer housing box including excavation in soft soil with a base concrete of 1:3:6 of size 630 x 630 x 100 mm thick and all round concrete of 1:2:4, 150 mm thick, the top sloped with 1:2:4 cement concrete including providing and fixing 250 mm long 15 mm dia "B" class G.I pipe at the bottom of the housing box to drain the water from the box to the ground etc. as required. a) 450 mm high, 330 mm outer dia transformer housing box

Providing and fixing of 50 mm dia G.I. pipe (medium class) in ground complete with G.I. fittings in existing trench etc as required.

Shanti Structure Pvt Ltd

Shreejikrupa Project Limited

Om construction co.