Miscellaneous unforeseen work SH Making the pavements compatible for use of VVIP movements using Boeing B777 300ER at B M Airport, Ranchi

Amount

Note: The tender rate should be inclusive of all taxes, duties, cess, fee , royalty charges etc. levied under any statute but exclusive of GST.

Earth work in excavation by mechanical means (Hydraulic excavator/manual means. Over areas (exceeding 30cm in depth 1.5m in width as well as 10 sqm on plan) including getting our and disposal of excavated earth lead upto 50 m and lift upto 1.5m as directed by Engineer-In-Charge All Kind of Soil.

Consolidation of sub grade with power road roller of 8 to 12 tonne capacity, dressing to camber and consolidating with road roller including making good the undulations etc. and re-rolling the sub grade and disposal of surplus earth lead upto 50 meters.

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 Engineer in- charge.

Providing and applying tack coat using hot straight run bitumen of viscosity grade VG-30 (60/70) including heating the bitumen spraying the bitumen with mechanically operated spray unit fitted on bitumen bolier cleaning and preparing the existing road surface as per specification. a) On WMM/DRLC surface @ 0.75kg/Sqm.

Providing and applying tack coat using hot straight run bitumen of viscosity grade VG-30 (60/70) including heating the bitumen spraying the bitumen with mechanically operated spray unit fitted on bitumen boiler cleaning and preparing the existing road surface at per specifications. a) On Existing black Topped surface @ 0.50 Kg/Sqm.

Providing and laying of Hot mix dense Bituminous macadam ( DBM) using crushed stone aggregate of quality size and grading as specified and cement filler of quality as specified and viscosity grade VG-30 Bitumen ( supplied in bulk) in proportions as per job mix formula and laid to specified levels grade and camber as per specification drawings and as directed by the Engineer-In-Charge including compacting with 8-10 tonne , preferably vibratory road roller of adequate capacity to achieve the specified values of compaction, strength ,surface accuracy complete ( for tendering purpose VG bitumen of grade VG-30 shall be taken as 110 kg/m3 of mix supplied in bulk produced by Govt. refineries and 2% cement by weight of aggregates as filler material).

Providing and laying of Hot Mix Semi Dense Asphaltic Concrete (SDAC) using crushed stone aggregate of quality, size and grading as specified and cement as filler of quality as specified and Viscosity Grade VG-30 Bitumen (supplied in bulk) in proportions as per job mix formula and laid to specified levels, grade and camber as per specification, drawings and as directed by the Engineer-in-Charge including compacting with 8-10 tonne, preferably vibratory road roller of adequate capacity to achieve the specified values of compaction, strength, surface accuracy complete.[for tendering purpose VG bitumen of grade VG-30 content shall be taken as 120 kg/m3 of mix supplied in bulk produced by Govt. Refineries and 2% cement by weight of aggregates as filler material].

Providing and laying of Hot Mix Dense Asphaltic Concrete(DAC) using crushed stone aggregate of quality, size and grading as specified and cement filler of quality as specified and Viscosity Grade VG-30 Bitumen (supplied in bulk) in proportions as per job mix formula and laid to specified levels, grade and camber as per specification, drawings and as directed by the Engineer-in-Charge including compacting with 8-10 tonne, preferably vibratory road roller of adequate capacity to achieve the specified values of compaction, strength, surface accuracy complete.[for tendering purpose VG bitumen of grade VG-30 content shall be taken as 135 kg/m3 of mix supplied in bulk produced by Govt. Refineries and 2% cement by weight of aggregates as filler material].

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).

Dismantling of flexible pavements (bituminous courses) by mechanical means and disposal of dismantled material upto a lead of 1 kilometer, as per direction of Engineer-in-Charge.

Dismantling of GSB/WMM manually or by mechanical means including disposal of material by mechanical means, including loading, transporting and unloading at approved dumping location or as approved by E-I-C, for lead upto 1 km beyond 50 metres including all lifts involved, within AAI premises.

Supply of bi-directional inset type-high intensity runway edge light fitting, 12" dia. shallow base, prisms, prefocus halogen lamps, etc. complete with all accessories suitable for 2x105 W, 6.6 amp. halogen lamps or equivalent and confirming to ICAO & FAA specifications etc. complete with all accessories as required. (a) one side clear and other side yellow filter

Supply of bi-directional inset type-high intensity runway edge light fitting, 12" dia. shallow base, prisms, prefocus halogen lamps, etc. complete with all accessories suitable for 2x105 W, 6.6 amp. halogen lamps or equivalent and confirming to ICAO & FAA specifications etc. complete with all accessories as required. (b) one side red and other side yellow filter

Supply of elevated blue colour LED type MIRL omni directional Taxiway Edge Light fitting suitable for use with series circuit of 2.8A - 6.6A, 50Hz CCR supply complete with LED, 360° optical head, breakable coupling, gasket, two pin leads, base plate with stainless steel bolts, spring & plain washer & other accessories etc. complete with all accessories as per ICAO standards etc. as required.

Supply of PVC insulated and PVC sheathed unarmoured 5 KV grade copper conductor airfield lighting cable generally conforming to IS 1554 - Part II with upto date amendment etc. as per requirement. (a) 1 X 16 sqmm.

Supply of 2 core X 2.5 sqmm. of PVC insulated and PVC round sheathed unarmoured copper conductor heavy duty industrial flexible cables, ISI marked, 1100 volts, with upto date amendment conforming to IS:694:2010.

Supply of Isolating transformer of following rating, 5 KV grade, 50 Hz encapsulated in polyester resin moulded with neoprene type rubber etc. as required. (a) 15 W, 20 A/ 6.6 A

Supply of Plug and Receptacle of 5 KV grade of Type - I, class 'B' Essna connector kit for following size copper conductor AFL cable etc. as required. (a) 16 sqmm.

Supply of two pin secondary plug and socket assembly of size 0.3 mtr. Length.

Design, fabrication and supply of cuboidal type M.S. Transformer housing box, water tight metal container with 10 mm thick cast iron moulding all around except on top surface which is 12 mm thick. The housing box shall have overall dimension as (750mm X 350mm X 450mm i.e. LXBXD) partitioned into 03 nos. of chambers. These chambers shall be cuboidal with dimension as follows: (i) 01 no. Middle chamber of outside dimension (350mm X 350mm X 450mm) - There shall be an opening at the top of middle chamber of dia 220mm. The inner chamber walls in the opposite sides shall have 02 nos. of opening of size 100 mm X 100 mm at 50 mm above base level to a height of 200 mm (approx.) for cable entry. The middle chamber shall each have 06 nos. of M-10 tapped holes and also provided with 06 nos. of SS bolts for fixing runway fittings on the top of the chamber. The middle chamber shall be provided with hole for water drainage. (ii) 02 nos. of Side chambers (200mm X 350mm X 450 mm) - There shall be opening at the top of the side chambers of size (100mm X 250mm), provided with rectangular cover plates of suitable size having thickness of 12 mm. The rectangular cover plate and side chamber top shall each have 06 nos. of M-10 tapped holes and also provided with 06 nos. of SS bolts for fixing the cover plates on the top of the chamber. The two opposite sides of each side chamber wall shall have one clear hole to receive 63 mm dia HDPE pipe at 200 mm (approx.) above base level, suitable size cutting be provided to the inner side of the chamber wall for water drainage and provision of moulded 02 nos. loop earth termination stud with suitable nut. Each chamber shall be provided with hole for water drainage.

Installation, Testing & Commissioning of C.I. transformer housing boxes as per s.no. 8 after excavating the soil and by providing and laying in position cement concrete 1:3:6 (1 cement:3 Coarse sand:6 graded stone aggregate 20 mm nominal size) 150 mm thick all around except the top, providing and fixing 25cm long, 15mm dia GI pipe at 03 base openings complete as specified and as per the direction of engineer-in-charge.

Installation, Testing & Commissioning of C.I. transformer housing box after excavating/ cutting the hard bituminous to accommodate M.S. housing box as per S.No.8, providing PCC foundation of 1:2:4 cement concrete of 100 mm depth as base for Housing box and PCC of 1:2:4 cement concrete all around the housing box of width 100 mm, properly alignment with existing GI pipes/ Power duct pipes as required, providing and fixing 25cm long, 15mm dia GI pipe at 03 base openings and disposal of debris to a distance as per instruction of engineer-in-charge.

Installation, Testing and Commissioning of inset type-high intensity light fitting by cutting the bituminous manually or with the core cutting machine for 12" shallow base and fixing with suitable compound with side cable entry and all assemblies of the fitting in order as per ICAO norms including making necessary connections with secondary lead, plug and sockets and sealing with PVC tape etc. complete as required.

Installation, Testing and commissioning of elevated type taxiway MIRL fittings on the existing transformer housing boxes i/c lens, lamps gasket, fixing nut bolts, lens holding clamp and other accessories i/c alignment, levelling, connections with isolating transformers, etc. all complete as reqd.

Providing, laying and fixing 40 mm dia "B" class G.I. pipe of length horizontally in ground complete with G.I. fittings including excavation and refilling upto 45 cm, alignment of G.I. pipe with the existing transformer housing box, refilling, levelling and dressing etc. as required.

Laying and fixing 63 mm dia power duct horizontally in ground complete with fittings including excavation and refilling upto 45 cm, alignment with the existing transformer housing box, refilling, levelling and dressing etc. as required.

Laying of 63 mm dia Power duct pipe, alignment with existing C.I. transformer housing box after cutting the existing bituminous surface to a width upto 100 mm and depth upto 150 mm or as required at site with the help of suitable tools and machines complete as required, filling the excavated portion after PCC filling of ratio 1:1.5:3 (cement: sand: aggregate)/ ready mix bitumen as per direction of engineer-in-charge, disposal of debris to a distance as per instruction of engineer-in-charge.

Providing, laying and fixing of 40 mm dia G.I. pipe, alignment with existing C.I. transformer housing box after cutting the existing bituminous surface to a width upto 100 mm and depth upto 150 mm or as required at site with the help of suitable tools and machines, PCC filling of ratio 1:1.5:3 (cement: sand: aggregate)/ ready mix bitumen complete as required, disposal of debris to a distance as per instruction of engineer-in-charge.

Laying of 1 no. 1x16 sqmm. PVC insulated and PVC sheathed Copper conductor Airfield lighting cable of 5 KV grade in the existing RCC / HUME / STONEWARE / METAL/ HDPE pipe as required.

Laying of 1 No. 2x2.5 sqmm PVC insulated copper conductor flexible cable of 1.1 KV grade in the existing RCC / HUME / STONEWARE / METAL pipe as required.

Making field connections by crimping 16 sq.mm. plug & receptacle with existing 16 sq.mm. single core PVC insulated and PVC sheathed AFL copper conductor cable including filling the gap with water sealant material, applying HT tape and PVC insulation tape complete as required.

Providing & fixing 6 SWG dia G.I. wire on surface or in recess for loop earthing as required.

Dismantling of existing CI transformer housing box from the bituminous surface including removing the elevated type fittings from the existing housing box and making the damaged surface good with PCC filling of ratio 1:1.5:3 (cement: sand: aggregate)/ ready mix bitumen as per direction of engineer-in-charge and handing over the dismantled C.I. Housing box to AAI Stores for reuse complete as required.

SURFACE TECH INDIA PVT LTD