Construction of 2 nos. of helipads for operation of helicopter service at Imphal Airport (Civil and Electrical works)

Amount

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 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 : Water bound macadam road

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

Carriage of excavated earth by mechanical transport (beyond initial lead of 50 m) including loading, transporting and unloading and stacking at approved dumping area within airport premises including all lifts and heights involved etc complete as per direction of Engineer-in-charge. a) Earth for lead upto 2 Kms Lead.

Supplying and filling moorum or suitable earth obtained from approved quarry in embankment or depressions in layers not exceeding 20cm (loose) in depth (or any thickness as approved by the Engineer-in-Charge in case vibratory roller / soil compactor is used) including breaking clods, watering, consolidating each layer with power road roller 8-10 tonnes weight or vibratory roller / soil compactor of adequate capacity under optimum moisture content condition to give at least 98% of the maximum laboratory dry density (modified proctor density) as per IS code 2720 (part VIII) complete including leveling fine dressing to the required grade, camber and slope complete as per MORTH specifications and as directed by the Engineer-in-Charge with all leads and lifts (The item includes cost of work, payment of necessary royalty, carriage of moorum / suitable earth upto work site for all leads and lifts involved from all sources acquired or arranged by the Contractor. Payment to be made for compacted quantity only).

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-I (size range 75 mm to 0.075 mm) having CBR Value-30

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 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 or Portland Pozzolana Cement or Portland Slag cement 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, laid in panels as per drawings/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 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’. (v) Making profile as per DGCA CAR, panel drawing showing dummy, construction, expansion joints location.Note: (i) Areas inaccessible to paving equipment shall be constructed by manual/hand guided method. Areas in which manual/hand guided methods of construction become indispensable shall be got approved by the Engineer-in-Charge in writing in advance. (ii) 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 or 400 Kg of Portland Pozzolana Cement/Portland Slag cement. 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.

Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - 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 :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 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 : Edges of slabs and breaks in floors and walls: Above 20 cm wide

Steel reinforcement for R.C.C. work including straightening, cutting, bending, placing in position and binding all complete upto plinth level. A) Thermo-Mechanically Treated bars of grade Fe-500D or more.

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.All works upto plinth level.Concrete of M35 grade with minimum cement content of 370 kg /cum

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)

Supply, Installation, Testing and Commissioning of 12 Meter, Height, Hot Dip Galvanised High Mast Tower in Double equal section of4 mm bottom and 3 mm top thick with minimum bottom dia. of 360 mm suitable for wind speed of minimum 180 KM/Hr, with raising lowering system comprising of head frame, luminaries' carriage suitable to install 12 Nos. of LED Luminaries in assymmetrical arrangement, double drum winch, 6 mm diameter SS wire rope, trailing cable of 2 Runs of 5C X 2.5 Sq.mm, connector, integral power tool motor of rating not less than 1 HP, manual handle, junction box, lightning finial of GI Single Spike of suitable length, mounting clamps and bolts, foundation bolts manufactured from special steel along with nuts, washers, anchor plate and template including providing and laying power cables (up to a distance of 15 Mtr) between panel and mast of capacity 2 times of total current rating of fittings providing and fixing suitable rated MCB in base compartment, providing foundation with M 20 grade concrete as per size of OEM Design with all materials and labour, providing necessary tools and plants for erection and testing of high mast pole and high mast two coat painted with alluminium paint etc., as required.

Fabrication, S.I.T.C of Outdoor MV Feeder Pillar Panel with double door arrangement made out of 3mm thick outer sheet and 2mm thick inner sheet and partition CRCA sheet steel, dust tight, vermin proof, totally enclosed, cubicle type WITH TOP CANOPY FOR RAIN PROTECTION, floor mounting, free standing, suitable for operation at 433 V, 3 phase, 4 wire, 50 Hz, A.C. Power Supply System complete with all accessories, interconnection, connection, earthing, painting, grouting, providing pedastal UPTO THE HEIGHT OF 450 MM, Cable Entry provision etc. as required and comprising of following: 40A FPN MCB as Incomer, 3 Nos. 16 A TPN MCB as Outgoing, One Timer, 2 Nos. of 25 A TP Contactor for the automatic switching of Luminaries with Auto/Manual Switching Option, power tool control with 2 Nos. 16A Contactors for raise and lower with push button angements, Phase Indication LED Lamps for Incomer, One VAF meter with bus section of 60A in all three phase and nuetral etc., as required.

Fabrication, S.I.T.C of Outdoor MV Feeder Pillar Panel with double door arrangement made out of 3mm thick outer sheet and 2mm thick inner sheet and partition CRCA sheet steel, dust tight, vermin proof, totally enclosed, cubicle type WITH TOP CANOPY FOR RAIN PROTECTION, floor mounting, free standing, suitable for operation at 433 V, 3 phase, 4 wire, 50 Hz, A.C. Power Supply System complete with all accessories, interconnection, connection, earthing, painting, grouting, providing pedastal UPTO THE HEIGHT OF 450 MM, Cable Entry provision etc. as required and comprising of following: 20.1.Two Nos. of 160 A, 50 KA, 4P MCCBs with Microprocessor Based Releases for OC/SC/EF Protection as INCOMERS with ON/OFF/TRIP Indication Lamps and Phase Indication Lamps, Interlocking Facility with Incomers and Buscouplers as required. 20.2. One No. 160 A, 50 KA, 4P MCCBs as Bus Coupler with ON/OFF Indication Lamps as required. 20.3.Four Nos. of 63 A, 36 KA, 4P MCCB with Thermal Magnetic Releases for Protection as Outgoing, ON/OFF/TRIP Indication Lamps as required. 20.4. One Set of 300 Amps Al. Bus Bars with at Par Neutral BUS BARS as required. 20.5. All accessories such as fuses, auxillary contactors, auxillary switches, etc. including providing Empty Cubicle Space (2 Nos.) as required.

Supply of LED light fitting with Wattage of maximum 350W with high power LEDs, system efficay not less than 110 lumen/watt, suitable optics for uniform light distribution, integral control driver with minimum 3kV surge suppressor, fitting made up of high pressure die-cast aluminium housing with suitable thermal management arrangement, toughned glass with IP 65 protection, 50,000 burning hours, suitable to operate on single phase AC supply, inline with technical specifications etc., complete as required.

Supply of LED Type twin dome red aviation obstruction light fitting suitable for operation on single phase AC power supply etc. as required.

Installation, Testing and Commissioning of LED flood lights and twin dome aviation luminaire up to maximum 350W, suitable for apron flood lighting system and having wide distribution with provision of suitable length 3core x 2.5Sq.mm copper conductor cable for light connection with all accessories suitable for site requirement etc. as required

Supply of 3.5C x 120 Sq.mm, XLPE insulated and PVC sheathed armoured aluminum conductor power cable of 1.1 KV grade conforming to IS 7098 (Part-1) with upto date ammendments etc., complete as required.

Supply of 4C x 16 Sq.mm, XLPE insulated and PVC sheathed armouredaluminium conductor power cable of 1.1 KV grade conforming to IS 7098 (Part-1) with upto date ammendments etc complete as required

Supply of 6C x 2.5 Sq.mm XLPE insulated and PVC sheathed armoured Copper conductor control cable of 1.1 KV grade conforming to IS 7098 (Part-1) with upto date amendments etc.,complete as required.

Supplying and making end termination with brass compression gland and aluminium lugs for 3.5C X 120 Sq.mm (45mm) of PVC insulated and PVC sheathed / XLPE aluminum conductor cable of 1.1 KV grade as required.

Supplying and making straight through joint with cast resin compound including ferrules and other jointing materials for following size of PVC insulated and PVC sheathed / XLPE aluminum conductor cable of 1.1 KV grade as required. for 3.5C X 120 Sq.mm

Supplying and making end termination with brass compression gland and aluminium lugs for 4C X 16 Sq.mm (28mm) of PVC insulated and PVC sheathed / XLPE aluminium conductor cable of 1.1 KV grade as required

Supplying and making end termination with brass compression gland and copper lugs for 6C X 2.5 Sq.mm (28mm) of PVC insulated and PVC sheathed / XLPE copper conductor control cable of 1.1 KV grade as required.

Supplying and making straight through joint with cast resin compound including ferrules and other jointing materials for following size of PVC insulated and PVC sheathed / XLPE aluminium conductor cable of 1.1 KV grade as required. for 6Cx 2.5 Sq.mm.

Supplying and laying of following size HDPE, PE63 PN-6 pipe ISI marked along with all accessories like socket, bend, couplers etc. conforming to IS 4984, Part II complete with fitting and cutting, jointing etcin ground (75 cm below ground level) including excavation and refilling the trench but excluding sand cushioning and protective covering etc. , complete as required.

63 mm dia

40 mm dia

Supplying and laying of 40 mm dia. HDPE, PE63 PN-6 pipe ISI marked along with all accessories like socket, bend, couplers etc. conforming to IS 4984, Part II complete with fitting and cutting, jointing etc. in the existing trench, complete as required.

Laying of one number PVC insulated and PVC sheathed / XLPE power cable of 1.1 KV grade of following size in the existing RCC/ HUME/ METAL/DWC/HDPE pipe as required. Up to 35 sqmm

Laying of one number PVC insulated and PVC sheathed / XLPE power cable of 1.1 KV grade of following size in the existing RCC/ HUME/ METAL/DWC/HDPE pipe as required. Above 95 sq. mm and upto 185 sq. mm

Laying and fixing of one number PVC insulated and PVC sheathed / XLPE power cable of 1.1 KV grade of following size on cable tray as required. upto 35 sq. mm

Laying and fixing of one number PVC insulated and PVC sheathed / XLPE power cable of 1.1 KV grade of following size on cable tray as required. Above 95 sq. mm and upto 185 sq. mm

Laying of one number PVC insulated and PVC sheathed / XLPE power cable of 1.1 KV grade of following size in the existing masonry open duct as required. Upto 120 sq. mm

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

Supplying and laying 25 mm X 5 mm G.I strip at 0.50 metre below ground as strip earth electrode, including connection/ terminating with G.I. nut, bolt, spring, washer etc. as required. (Jointing shall be done by overlapping and with 2 sets of G.I. nut bolt & spring washer spaced at 50mm)

Providing and fixing 25 mm X 5 mm G.I. strip on surface or in recess for connections etc. as required.

Providing, laying and fixing of 80 mm dia. G.I. pipe (medium class) in PCC Road complete with G.I. fittings including trenching (50 cm deep) and re-positioning same with PCC etc., as required (Note: Excavation of suitable size PCC Road cutting and laying of pipe in trench and re-positioning same with PCC)

Provision of MS, C-Type Channel barricading around the mast (Size 100x50x5mm thick) of 1.5mtr x 1.5mtr x 0.60mtr height above ground level (Below ground level grouting depth: 40CM) with one section entry gate, provision vertical sections 8Nos. &Horizontal section 2Nos required and full barricading painted with aviation abstraction colour of white and red strip etc. as required.

Providing and laying in position cement concrete 1:2:4 (1 cement : 2 coarse sand : 4 graded stone aggregate 20 mm nominal size) in foundation / road crossing etc., including form work etc as required.

M/s Sadguru Engineers & Allied Services Pvt. Ltd.

Brahma Infra