Construction of retaining wall with piling adjacent to new apron at VSI Airport Port Blair

Amount

Carriage of Materials By Mechanical Transport including loading , unloading and stacking a) building rubbish (Lead considered upto 10 K.M)

Carriage of Materials By Mechanical Transport including loading , unloading and stacking a) Earth (Lead considered upto 10 K.M)

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 :

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)

Steel reinforcement for R.C.C. work including straightening, cutting, bending, placing in position and binding all complete upto and Above plinth level a)High corrosive resistant/CRS Thermo-mechanically treated bars of grade Fe-500D or more

Centering and shuttering including strutting, propping etc. and removal of form a) for Retaining walls, return walls, walls (any thickness) including attached pilasters, buttresses, plinth and string courses fillets, kerbs and steps etc.

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

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

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

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

Providing and laying in position ready mixed or site batched design mix cement concrete for reinforced cement concrete work; using coarse aggregate and fine aggregate derived from natural sources, Portland Pozzolana / Ordinary Portland /Portland Slag cement, admixtures in recommended proportions as per IS: 9103 to accelerate / retard setting of concrete, to improve durability and workability without impairing strength; including pumping of concrete to site of laying, curing, carriage for all leads; but excluding the cost of centering, shuttering, finishing and reinforcement as per direction of the engineer-in-charge; for the following grades of concrete. Note: Extra cement up to 10% of the minimum specified cement content in design mix shall be payable separately. In case the cement content in design mix is more than 110% of the specified minimum cement content, the contractor shall have discretion to either re-design the mix or bear the cost of extra cement. a) All works upto plinth level Concrete of M30 grade with minimum cement content of 350 kg /cum Excess/less cement used as per design mix is payable/recoverable separately) Note:- Aggregate Mainland (India) to be used for this item

Providing and laying in position ready mixed or site batched design mix cement concrete for reinforced cement concrete work; using coarse aggregate and fine aggregate derived from natural sources, Portland Pozzolana / Ordinary Portland /Portland Slag cement, admixtures in recommended proportions as per IS: 9103 to accelerate / retard setting of concrete, to improve durability and workability without impairing strength; including pumping of concrete to site of laying, curing, carriage for all leads; but excluding the cost of centering, shuttering, finishing and reinforcement as per direction of the engineer-in-charge; for the following grades of concrete. Note: Extra cement up to 10% of the minimum specified cement content in design mix shall be payable separately. In case the cement content in design mix is more than 110% of the specified minimum cement content, the contractor shall have discretion to either re-design the mix or bear the cost of extra cement. a) All works above plinth level upto floor V level. Concrete of M30 grade with minimum cement content of 350 kg /cum Excess/less cement used as per design mix is payable/recoverable separately) Note:- Aggregate Mainland (India) to be used for this item

Providing and fixing on wall face unplasticised Rigid PVC rain water pipes conforming to IS : 13592 Type A,conforming to IS : 5382 a) 75 mm diameter

Providing and fixing on wall face unplasticised Rigid PVC rain water pipes conforming to IS : 13592 Type A a) 110 mm diameter

Boring, providing and installation bored cast-in-situ reinforced cement concrete piles of grade M-25 of specified diameter and length below pile cap, to carry a safe working load not less than specified, excluding the cost of steel reinforcement but including the cost of boring with bentonite solution and temporary casing of appropriate length for setting out and removal of same and the length of the pile to be embedded in the pile cap etc. by Crawler mounted, telescopic boom hydraulic pilling Rig all complete, including removal of excavated earth with all its lifts and leads (length of pile for payment shall be measured up to bottom of pile cap). a) 600 mm dia piles Note:- Truck Mounted rotary/TMR/Tube well boring machine shall not be used.

Integrity testing of Pile using Low Strain/ Sonic Integrity Test/ Sonic Echo Test method in accordance with IS 14893 including surface preparation of pile top by removing soil, mud, dust & chipping lean concrete lumps etc. and use of computerised equipment and high skill trained personal for conducting the test & submission of results, all complete as per direction of Engineer-in-charge.

Lateral load testing of single pile in accordance with IS Code of practice IS : 2911 (P Upto 50 tonne capacity pileart IV) for determining safe allowable lateral load on pile :

Vertical load testing of piles in accordance with IS 2911 (Part IV) including installation of loading platform by Kentledge/Anchor piles method and preparation of pile head or construction of test cap and dismantling of test cap after test etc. complete as per specification & the direction of Engineer in-charge. Note: 1. Initial and Routine Load Test shall not be carried out by Dynamic method of testing. Note: 2. Testing agency shall submit the design of loading platform for the approval of Engineer-in-charge. Single pile upto 50 tonne Safe capacity: Initial test (Test Load 2.5 times the Safecapacity)

Vertical load testing of piles in accordance with IS 2911 (Part IV) including installation of loading platform by Kentledge/Anchor piles method and preparation of pile head or construction of test cap and dismantling of test cap after test etc. complete as per specification & the direction of Engineer in-charge. Note: 1. Initial and Routine Load Test shall not be carried out by Dynamic method of testing. Note: 2. Testing agency shall submit the design of loading platform for the approval of Engineer-in-charge. Single pile upto 50 tonne Safe capacity: Routine test (Test Load 1.5 times the Safe capacity)

Supplying, filling, spreading & leveling stone boulders of size range 5 cm to 20 cm, behind the Retaining wall , in the required thickness, for all leads & lifts, all complete as per direction of Engineer-in-charge.

6 mm cement plaster of mix : a) 1:3 (1 cement : 3 fine sand)

Finishing walls with Acrylic Smooth exterior paint of required shade : a) 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)

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)

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. a) In gratings, frames, guard bar, ladder, railings, brackets, gates and similar works.

Painting with synthetic enamel paint of approved brand and manufacture of required colour to give an even shade : a) Two or more coats on new work over an under coat of suitable shade withordinary paint of approved brand and manufacture

Providing and Placing in position suitable PVC water stops conforming to IS:12200 for construction/ expansion joints between two RCC members and fixed to the reinforcement with binding wire before pouring concrete etc. complete : a) Serrated with central bulb (225 mm wide, 8-11 mm thick)

Supplying and filling with river sand (Fine sand of Zone-IV) from mainland) under floors/pavement including, watering,ramming consolidating and dressing complete in layers not exceeding 20cm (compacted) in thickness. Note: River Sand from Mainland (India) to be used for this item.

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 earthwith lead upto 50 metres

Construction of granular sub-base 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 & 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 directions of Engineer-in-Charge. i) With material conforming to Grade-II (size range 53 mm to 0.075 mm ) having CBR Value-25 Note:- GSBC Material from Mainland (India) to be used for this item

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 coarseaggregate not exceeding 25 mm, aggregate cement ratio not to exceed 15:1, aggregate gradation after blending to be as per specifications, 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, for all leads & lifts, laid with a mechanical paver, compacting with 8-10 tonne vibratory roller, finishing and curing etc. complete as per direction of Engineer-in- charge. Note:- DRLC Material from Mainland (India) to be used for this item

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 a) New work (Two or more coats)

Finishing with Epoxy paint (two or more coats) at all locations prepared and applied as per manufacturer's specifications including appropriate priming coat, preparation of surface, etc. complete. a) On steel work

Earth work 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) with all lift including taking away excavator soil out of Airport Premissies. Transportation of earth will be paid separately in item no.2 a) All kinds of soil

Boring, providing and installation bored cast-in-situ reinforced cement concrete piles of grade M-25 of specified diameter and length below pile cap, to carry a safe working load not less than specified, excluding the cost of steel reinforcement but including the cost of boring with bentonite solution and temporary casing of appropriate length for setting out and removal of same and the length of the pile to be embedded in the pile cap etc. by Crawler mounted, telescopic boom hydraulic pilling Rig all complete, including removal of excavated earth with all its lifts and leads (length of pile for payment shall be measured up to bottom of pile cap). a) 500 mm dia piles Note:- Truck Mounted rotary/TMR/Tube well boring machine shall not be used.

Demolishing cement concrete manually/ by mechanical means including disposal of material with all lift including taking away Debris out of Airport Premissies. Transportation of Debris will be paid separately in item no.1 a) Nominal concrete 1:3:6 or richer mix (i/c equivalent design mix)

Providing & fixing 25 mm thick compressible Bitumen impregnated fibre board conferming to IS 1838-1 (1983) in expansion joint complete as per drawing & Technical Specification.

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 Cementof 43/53 grade or Portland Pozzolana cement or Portland slag cement conforming as per relevant IScodes, to be mixed at site, with 0.5% Super plasticizer by mass of cementitious material,fine aggregate, grade stone aggregates of 40 mm nominal size in appropriate proportion as per specification and job mix formula, laid in panels as per drawing / design as approved by the Engineer-In-Charge using Slip-form paver or Fixed form paver including anti friction layer ,joint filler board,making necessary provision for expansion ,dummy and construction joint including filling with polysulphide sealant of approved make,curing and making profile, complete as per direction of Engineer -in-Charge and specifications. The item for execution shall include all operations making pavement for intended use but not limited to following: i) Polyethylene sheet (white in color)of thickness 400 microns 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 (Pidilite or equivalent) 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 joints 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 the details below: i) Expansion joints of size 25 mm wide and 10 mm deep over 30mm dia. Closed-cell Polyethylene foam back-up rod, as per manufacturers specifications and sketch at Appendix-'A'. ii) Construction joints of size 10 mm wide and 10 mm deep over 12 mm dia Closed-cell Polyethylene foam back-up rod, as per manufacturers specifications and sketch at Appendix-'A'. iii) 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:- Material from Mainland (India) to be used for this item

Construction of Sub-surface drain with perforated HDPE pipe OD 160 mm,ID 144 mm ,weight 2-2.20 kg/mtr with open porosity 60-70 % conferming to ISO 2269-2016 Cl-09 for Ring Shiffness (2/3 Perforation and 1/3 Solid ) covered/ wrapped with Geotextile 150 GSM including fittings i.e Coller ,Tee,Bend ,Elbow ,Encap etc surrounding by 200 mm filter Media ( Class-III) as per Morth Specification cross -section of excavation 560 x 560 mm , as per direction and satisfaction of Engg-in-Charge. Note :- this item incliding material for subsurface drain,excavation , filter media and backfilling.

Conducting necessary test to determine K-value (modulus of subgrage reaction and determination of field density and moisture content and assessing the K-value after meeting necessary correction for load-deflection curbs, correction of bening of plates and correction of saturation of soils in field as per IS 9214-1976(reframed 1987) with 75cm dia circular plate) i/c of submission of soil report of each assignment as directed by Engineering-in-Charge.

Surendra Infrastructure Pvt. Ltd.

RKEC PROJECTS LIMITED