Extension of Apron and Construction of New Link Taxiway at Civil Enclave, Silchar

Amount

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.

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)

Carriage of materials by Mechanical Transport including loading, unloading and stacking upto a lead of 1.00 Km complete as per direction of Engineer-in-charge. Dismantled concrete materials

Dismantling 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 WBM / WMM

Carriage of materials by Mechanical Transport including loading, unloading and stacking upto a lead of 1.00 Km complete as per direction of Engineer-in-charge. Dismantled WBM/ WMM

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

Filling available excavated earth (excluding rock) in trenches, plinth, sides of foundations etc. in layers not exceeding 20cm in depth, consolidating each deposited layer by ramming and watering, lead up to 50 m and lift upto 1.5 m.

Earthwork in excavation with hydraulic excavator including cutting and loading in tippers, trimming bottom and side slopes, in accordance with requirements of lines, grades and cross sections, and transporting the excavated earth to the embankment location within all lifts and lead upto 1.00 km All kinds of soil

Embankment with earth available from excavation items by making earth free from all logs, stumps, roots, grass, shurbs, rank vegetation, brush wood, trees, spaling and rubbish and any other ingredient likely to deteriorate or affect the stability of the embankment/subgrade etc. Filling, spreading earth in layers not exceeding 20cm in depth under optimum moisture content (OMC) to give atlest 95% of the maximum dry density (Proctor Density), graded and compacted in accordance with the requirements of MoRT&H specifications and in conformity with lines and cross-sections shown on the drawings or as directed by Engineer-in-charge. Besides aforesaid, embankment area is also to be cleaned and make it free from all kinds of vegetation etc. before taking up the work.

Consolidation of sub grade with power road roller of 8 to 12 tonne capacity i/c making good undulations etc . With earth or quarry spoils etc. and rerolling the sub grade.

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. With material conforming to Grade-II (size range 53 mm to 0.075 mm ) having CBR Value-25

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 for all leads & lifts, laying in uniform layers with mechanical paverfinisher in sub- base / base course on well prepared surface and compacting with vibratory roller of 8 to 10 tonne capacity to achievethe 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 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 Engineerin-charge.

Providing and laying polythene sheet 400 micron thick confirming to IS -2508 anti -friction layer on the sub-base course with overlaps of not less than 75mm longitudinally and 75mm transveresely (only plan area is to be measured for payment) etc complete as per direction and satisfaction of Engineer-in-charge.

Providing and laying Pavement Quality Concrete(PQC) produced in a batching plant (minimum capacity of 30 cum per hour) having a Characteristic Flexural Strength i.e. minimum flexural strength of 4.1 Mpa at 28 days using 350 Kg of Ordinary Portland Cement 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 drawing / design as approved by the Engineer-In-Charge using Fixed form paver including making necessary provision for expansion joint, curing, etc. complete as per direction of Engineer-in-Charge and particular specifications. The item for execution shall also include the following operations: i) Mechanically cutting dummy joints 3 mm wide X 1/3rd thickness of slab which is subsequently widened to 10 mm for the top 25 mm depth and construction joints 10 mm wide X 25 mm deep as per specification. ii) Filling Polysulphide sealant in dummy, construction and expansion joints including providing closed-cell Polyethylene foam back-up rod, and painting side of joints with Polysulphide primer, etc. complete (to be paid separately under item 17). Note: 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 done as per the rate of cement 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.

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 particular specifications and direction of Engineer-in-Charge.(Note: Mode of measurement shall be length of joints multiplied by depth of filler board including precut portion.)

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 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 direction of Engineer-in-Charge & particular specifications.[note : for purpose of payment, quantity (Length X Width X Depth) of Polysulphide sealant only will be measured. i) Expansion joints of size 25 mm wide and 10 mm deep over 30mm dia. Closed-cell Polyethylene foam back-up rod, as per manufacturer’s 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 manufacturer’s 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’.

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) : 4 graded stone aggregate 20 mm nominal size).

Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - All work up to plinth level : 1:5:10 (1 cement : 5 coarse sand (zone-III): 10 graded stone aggregate 20 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

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

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

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

Centering and shuttering including strutting, propping etc. and removal of form for : Lintels, Beams, Plinth beams, Girders, Bressumers and Cantilevers.

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

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

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

Painting runway/taxi-track/apron and 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 materials etc. and lining out complete. New Work (Two or more coats)

Dismantling of the existing elevated type Taxiway fittings and re-installation of the same after completion of recarpeting work of Apron/Taxiway shoulder.

SITC of following Height C.I collar of 330 mm outside dia, made of 10 mm thick all around except on top surface which is 15mm thick, having a clear opening of 220 mm at top and bottom surface, 6 nos. M-10 tapped holes at hole centre of 260 mm to receive light fitting and base plate at one side and to be attached to existing transformer housing box at another side and with provision of 6 nos. SS M-10 nut bolts and washers, gasket etc. The top surface of CI box ( 150 mm from edge all around) shall be finished with slopped plinth with 1:2:4 cement concrete i/c painting and numbering as per AAI specification. 150mm Height CI Collar

SITC of following Height C.I collar of 330 mm outside dia, made of 10 mm thick all around except on top surface which is 15mm thick, having a clear opening of 220 mm at top and bottom surface, 6 nos. M-10 tapped holes at hole centre of 260 mm to receive light fitting and base plate at one side and to be attached to existing transformer housing box at another side and with provision of 6 nos. SS M-10 nut bolts and washers, gasket etc. The top surface of CI box ( 150 mm from edge all around) shall be finished with slopped plinth with 1:2:4 cement concrete i/c painting and numbering as per AAI specification. 200mm Height CI Collar

Supply of CI Transformer Housing Box, round shape of outside dia 330 mm Height 450mm made of 10mm thick all round except on Top surface which is 15mm thick having a clear opening of 220mm at the Top Surface and 6nos. M10 Tapped Holes at the hole centre of 260mm to recieve light fittings base plate and bolts. the box shall have one/two clear hole onside surface, centre at 756mm above bottom suitbale to recieve 50mm dia B class GI/HDPE pipe and and check nuts and also have a clear hole side, centre at 175 mm abov bottom suitable to recieve 15mm dia B Class GI Pipes and check nuts. the box shall have two earth bolts of M 10 x 30mm inside near the hole ( 100mm above bottom surface) a drain hole at the bottom suitably tapped to recieve 1/2" dia., B class GI Pipe as per drawing as required Single Entry.

installation of Cast iron isolating transfer housing box of size 330 mm dia and 450 mm deep as per drawing including excavation of surface, cement concrete all round, providing 250 mm long 15 mm dia 'B' class GI pipe in the bottom surface for drainage of water, cutting & threading of pipe, adjustment of housing with thedolite etc, refilling the side surface, sloping and making good the same as original as required.

Providing and fixing of 50 mm dia GI pipe 'B' class in the ground from C.I housing box to CI collar or CI Boxes interconnections for cable entry complete with GI fittings, checknuts etc. including excavation, refilling and making good the existing area etc. as per direction of EIC.

Supply and fixing of CI top cover of 310 mm dia x 15 mm thick with suitable rubber gasket and 6 Nos. M10 tapped hole and SS bolts etc complete as required.

Supply of following type Bi-directional inset type High intensity Runway Edge light fitting for aviation visual aids requiremens complete with shadow base of side cable entry, matching body of the fitting complete with 2 x 105 Watts, 6.6 amps pre-focused reflector halogen lamp connected heat resistant accessories, prism assembly , optical assembly, 'O' ring seal, pressure relief test plug, hardware, Cover Gas Kit and all other standard accessories required as per ICAO and conforming to technical specifications. a) Clear / Clear

installation, testing and commissioning of inset type runway edge light by core cutting in the bituminous runway pavement,fixing the shallow base with dobefil and hardener, installation of isolating transformer, crimping/jointing of plug & receptacles, laying of secondary leads, connections, earthing etc. complete as required and includes supply of all materials excluding fixtures, secondary lead, isolating transformer and plug & receptacles.

Kerfs cutting with machine in taxiway/ runway of PQC/bituminous surface of suitable depth and width for single layer of secondary cable laying and refilling the same by suitable sealing material etc complete as required.

Supply of 0mni Directional Elevated type Medium Intensity 7.5 W Taxiway edge Light fitting (LED type) for aviation visual aids requirements complete with LEDs, optic lens, power converter, two pin secondary lead, central column assembly, breakable coupling, base plate, gaskets, bolts etc. and all other standard accerssories required as per ICAO and conforming to technical specifications.

Supply of 1 core 6 sqmm, 5KV grade, copper conductor, PVC insulated, PVC sheathed under ground airport lighting cable generally confirming to IS: 1554 Part-II 1981 with upto date amendment etc complete as required and conforming to technical specifications.

Supply of 1 core 16 sqmm, 5KV grade, copper conductor, PVC insulated, PVC sheathed under ground airport lighting cable generally confirming to IS: 1554 Part-II 1981 with upto date amendment etc complete as required and conforming to technical specifications.

Supply of 15W, 6.6/6.6Amps, 5 KV grade, 50 Hz, series Isolating Transformer encapsulated in polyester resin, finally moulded in neoprene type rubber with primary and secondary connectors etc all other standard accessoies required as per ICAO and conforming to technical specifications.

Supply of 5 KV grade plug & receptacle (Essna Connector) of type I class B connector & suitable for field attachment with 5 KV grade PVC insulated and PVC sheathed single core 6 sqmm copper conducter cable as etc complete as required and conforming to technical specifications.

Supplying and laying of 50 mm dia (0D-50 mm & ID-38 mm nominal) size DWC HDPE pipe along with all accessories like socketr, bend, couplers, seal rings etc. conforming to IS 14930, Part II complete with fitting and cutting, jointing etc. direct in ground (75 cm below ground level) including excavation and refilling the trench but excluding sand cushioning and protective covering etc., complete as required.

Installation, testing and commissioning of medium intensity LED type taxiway edge light fitting on the existing transformer housing box including installation of isolating transformer, crimping/jointing of plus & receptacles, laying of secondary leads, connections, earthing etc. complete as required and includes supply of all materials excluding fixtures, secondary lead, isolating transformer and plug & receptacles.

Laying one number 5 KV grade Airfield lighting cable of size single core 6/ 16 Sqmm. In the existing RCC/HUME/STONEWARE/MATEL/HDPE pipe as required.

Earthing with G.I. earth pipe 4.5 meter long, 40 mm dia including accessories and providing masonry enclousre with cover plate having locking arrangement and watering pipe etc. with charcoal/ coke and salt as required

Providibng and laying earth connection from earth electrode with 6 SWG dia G.I Wire in 15 mm dia G.I. pipe from earth electrode including connnection with G.I. thibmble excavation and re-filling as required.

Providing and fixing 6 SWG dia G.I wire on surface or in recess for loop earthing along with cable as required.

Numbering of GLF fitting as required.

Design, Manufacturing, supply, installation, connection, testing and commissioning of illuminated taxiway guidance signages of various sizes made of anodized 2 mm (nominal) thick extruded aluminium profile frame with suitable stiffening supports for structural rigifity, 1.5 mm thick aluminium back cover, 4 mm thick poly carbonate sheet with glare free face, supporting legs, breakable coupling etc. The letters and symbols shall be interally pasted/screen printed with with required coloring. The sign boards shall be uniformly interally illuminated with required number of LEDs strips to achieve required illumination level, alonwith drivers, interal control circuit, automatic changeover to function on both main & standby (runway/taxiway) cicuits etc and shall operate without any flickering when operated on input source of 2.8 Amps. to 6.6 amps. series current. The suitable arragement shall be made for water tightness and locking arrangement. the signages shall be installed on 1:2:4 grade cement concreteof size 400x400x500 mm for each leg and total base of 150 mm thick for the distance of 1.5 mtr. all around the board including installation of isolating transformer, crimping/ jointing of plug & receptacles, laying of secondary leads, connections, earthing etc. complete as required. the taxiway guidance signages shall be as per ICAO and conforming to technical specifications. ( legends shall be as approved by Engineer-in -charge).

JKG INFRATECH PRIVATE LIMITED

Surface Tech (India) Pvt. Ltd

PABSCON

East India Construction Company