Construction of New fire pit, construction of Approach road to fire pit, GP hut, Sewage treatment plant and construction of link road to TWY B, TWY C and widening of DVOR approach road at Bhavnagar Airport.

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

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 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)

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

15 mm cement plaster on the rough side of single or half brick wall of mix : 1:4 (1 cement: 4 fine 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)

Dry Stone pitching 22.5 cm thick including supply of stones and preparing surface complete.

Painting road surface marking with adequate nos of coats to give uniform finish with ready mixed road marking paint conforming to IS : 164, on bituminous surface in white/yellow shade, including cleaning the surface of all dirt, scales, oil, grease and foreign material etc. complete. New work (Two or more coats)

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.

Brick work with clay flyash F.P.S. (non modular) brick of class designation 3.5 in superstructure above plinth level up to floor five level in : Cement mortar 1:4 (1 cement : 4 coarse sand)

Supplying and laying moorum with plasticity index not more than 6 and liquid limit not more than 25 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 condition to give density not less than 98% of the maximum modified standard protector density complete including leveling fine dressing to the required grade, camber and slope complete as per specifications and as directed by the Engineer-in-charge. with all leads and lifts (The item includes cost of work, payment of necessary royalty, cariage of moorum upto work site for all leads and lifts involved from all sources acuired or arranged by the Contractor, Payment to be made for compacted quantity only.)

Carrying out plate load test as per specification to determine module of subgrade verification (K – value) at 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.

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 by providing close graded material, mixing in a mechanical mix plant at OMC, carriage of mixed material to work site, spreading in uniform layers with motor grader on prepared surface and compacting with vibratory power roller to achieve the described density, complete as per clause 401. By plan mix mathod. For Grading-III Material.

Providing, Laying, Spreading and compacting graded stone aggregate to wet mix macadam 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 grader in sub-base/ base course on well prepared surface and compacting with vibratory roller to achieve the desired density. By plant mix mathod. Laying using grader.

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 to exceed 15:1, aggregate gradation after blending to be as per table 600-1, 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.

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 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. 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.

Jay Prakashbhai Tilara (BID ID -793126)

Shanti Structure Pvt Ltd (BID ID -787431)