Expansion of TiHAN AV Test bed Infrastructure Phase2 at IIT Hyderabad Sub Head1 Construction of Flexible Pavements

Amount

Excavation for road way by hydraulic excavator CK-90 or any other required equipment for new or partially constructed or completely constructed road strata including cutting and transporting the earth for construction of embankment/subgrade or to dispose of earth or any other excavated material at the designated places as directed by the Engineer, within a lead of 2000 m and all lift within the IITH Compound including trimming of sides in accordance with the requirements of lines, grades and cross section and as per MORTH Specifications Section 301.

All kinds of soil

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.

a) In 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

Loosening and recompacting of bottom 150 mm of subgrade layer in local good soil to required percentage of MDD of heavy compaction test (IS:2720-Part8) as per MORTH Clause 305 complete.

Consrtuction of subgrade using approved available soil within the IITH Compound, spread the earth layer by layer, mix with water to achieve MDD at Optimum Moisture Content and compacting it with vibratory roller of 8-10 tonnes capacity to required percentage of MDD (IS:2720-Part 8) as per MORTH Clause 305 including all leads and lifts complete.

Construction of embankment with approved specified soil for all lead and lifts to required percentage of MDD of heavy compaction test (IS:2720-Part8) at Optimum Moisture Content including spreading, mixing with water and compacting with 8-10 tonne vibratory roller or hand-held roller as per MORTH Clause 305 complete. a) Soil available within IITH compound

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 Wet Mix Macadam (WMM) including premixing the material with water at OMC in mechanical mixing plant,carriage of mixed material by tipper to site,laying in uniform layers with paver on sub- CU base / base course and compacting with vibratory roller to achieve required percentage of MDD (as per IS:2720:Part8) as per Clause406 of MORTH Specifications complete.

Providing and applying tack coat using bitumen emulsion conforming to IS:8887, using emulsion pressure distributer including preparing the surface & cleaning with mechanical broom. With medium setting bitumen emulsion On W.B.M / W.M.M. @ 0.4kg/sqm

Providing and laying seal coat over prepared surface of road with bitumen heated in bitumen boiler fitted with the spray set spraying using 98 kg of bitumen of grade VG - 10 and blinding surface with 0.90 cum of stone aggregate of 6.7 mm size (Passing 11.2 mm sieve and retained on 2.36 mm sieve) per 100 sqm of road surface, including rolling and finishing with power road roller all complete.

Providing and laying Dense Graded Bituminous Macadam using crushed stone aggregates of specified grading, premixed with bituminous binder and filler, transporting the hot mix to work site by tippers, laying with paver finisher equiped with electronic sensor to the required grade, level and alignment and rolling with smooth wheeled, vibratory and tandem rollers as per specifications to achieve the desired compaction and density, complete as per specificatons and directions of Engineer-in-Charge.

50 to 100 mm average compacted thickness with bitumen of grade VG-30 @ 5% (percentage by weight of total mix) and Cement filler @ 2% (percentage by weight of Aggregate) prepared in Batch Type Hot Mix Plant of 100-120 TPH capacity.

Providing and laying Bituminous concrete using crushed stone aggregates of specified grading, premixed with bituminous binder and filler, transporting the hot mix to work site by tippers, laying with paver finisher equiped with electronic sensor to the required grade, level and alignment and rolling with smooth wheeled, vibratory and tandem rollers to achieve the desired compaction and density as per specification, complete and as per directions of Engineer-in-Charge.

30/50 mm compacted thickness with bitumen of grade VG-30 @ 5.5% (percentage by weight of total mix) and Cement filler @ 3% (percentage by weight of Aggregate) prepared in Batch Type Hot Mix Plant of 100-120 TPH capacity.

Centering and shuttering including strutting, propping etc. and removal of form work for :

Foundations, footings, bases for columns

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 of grade Fe-500D or more.

Providing and laying in position ready mixed or site batched design mix cement concrete for plain 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 and finishing as per direction of the engineer-in-charge; for the following grades of concrete.

All works upto plinth level :

Concrete of M10 grade with minimum cement content of 220 kg /cum

Providing and laying 60mm thick factory made cement concrete interlocking paver block of M -30 grade made by block making machine with strong vibratory compaction, of approved size, design & shape, laid in required colour and pattern over and including 50mm thick compacted bed of coarse sand, filling the joints with line sand etc. all complete as per the direction of Engineer-in-charge.

Providing and laying of HDPE pipe 63mm dia PE 100 Grade PN 6 (SDR13.6) including cost and conveyance of all materials to site of approved quality & make with all necessary fittings etc all complete and as per the directions of the Engineer-in-Charge.

Providing and laying of HDPE pipe 50mm dia PE 100 Grade PN 6 (SDR13.6) including cost and conveyance of all materials to site of approved quality & make with all necessary fittings etc all complete and as per the directions of the Engineer-in-Charge.

Providing and laying at or near ground level factory made kerb stone of M-25 grade cement concrete in position to the required line, level and curvature, jointed with cement mortar 1:3 (1 cement: 3 coarse sand), including making joints with or without grooves (thickness of joints except at sharp curve shall not to more than 5mm), including making drainage opening wherever required complete etc. as per direction of Engineer-in-charge (length of finished kerb edging shall be measured for payment). (Precast C.C. kerb stone shall be approved by Engineer-in-charge).

Providing and laying in position saucer drain made of precast cement concrete units of specified profile and measurements, with key and of other shapes as required in site as per drawing or as per the directions of Engineer in Charge in M 30 grade concrete seated on PCC foundation of M-10 grade including placing and joining with CM mortar of mix 1:4 (1Cement : 4 grade coarse sand) as per the directions of Engineer. PCC cost will be paid separately

Providing and fixing in position pre-cast R.C.C. manhole cover and frame of required shape and approved quality

Circular shape 560 mm internal diameter

Providing and fixing in position pre-cast R.C.C. manhole cover and frame of required shape and approved quality

Square shape 450 mm internal dimension

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.

450 mm dia RCC pipes

300 mm dia RCC pipes

900 mm dia RCC pipes

Providing and laying solid concrete blocks masonry with block of M10 grade cement concrete of required thickness as per drawing in superstructure above plinth level up to V level with RCC band and mullion as per structural detail in cement mortar 1:4 (1 cement : 4 coarse sand) all complete as per direction of Engineer.

15 mm cement plaster 1:3 (1cement : 3 coarse sand) finished with a floating coat of neat cement on rough the rough side of single or half brick wall.

Providing snd erecting a "W" metal beam crash barrier comprising of 3mm thick corrugated sheet metal rail, 70cm above road/ground level, fixing on ISMC series channel vertical post 150x75x5mm thick spaced 2 mtr centre to centre , 1.80 m height,1.1 m below ground/ road level, all steel parts and fitments to be galvanized by hot dip process all fittings to confirm to IS: 1367 & IS:136, Metal beam rail to be fixed on the vertical post with spacer of channel section 150x75x5mm,330 long complete as per clause 810

Providing and applying 2.5 mm thick road marking strips (retroreflective) of specified shade/ colour using hot thermoplastic material by fully/ semi automatic thermoplastic paint applicator machine fitted with profile shoe, glass beads dispenser, propane tank heater and profile shoe heater, driven by experienced operator on road surface including cost of material, labour, T&P, cleaning the road surface of all dirt, seals, oil, grease and foreign material etc. complete as per direction of Engineer-in-charge and accordance with applicable specifications.

Painting with synthetic enamel paint of approved brand and manufacture to give an even shade

Two or more coats on new work

Providing and fixing Glow studs of size 100x20 mm made of heavy duty body shall be moulded ASA (Acrylic styrene Acryloretrite ) or HIP (High impact polystyrene) or ABS having electronically welded micro- prismatic lens with abrasion resistant coating as approved by Engineer in charge. The glow stud shall support a load of 13635 kg tested in accordance with ASTM D4280. The slope of retro- reflective surface shall be 35 (+/-5) degress to base .The reflective panels on both sides with at least 12 cm of reflective area up each side. The luminance intensity should be as per the specification and shall be tested as described in ASTM I: 809 as recommended in BS: 873 part 4 : 1973. The studs shall be fixed to the Road surface using the adhesive conforming to IS, as per procedure recommended by the manufacturer complete and as per direction of Engineer-in-charge.

Demolishing stone rubble masonry 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 : In cement mortar

Providing and fixing unplasticised Rigid PVC rain water pipes conforming to IS : 13592 Type A, including jointing with seal ring conforming to IS : 5382, leaving 10 mm gap for thermal expansion, (i) Single socketed pipes.

110 mm diameter

Supplying and filling in plinth with sand under floors, including watering, ramming, consolidating and dressing complete.

G ESHWAR REDDY AND SONS

SURYODAYA INFRA PROJECTS (I) PRIVATE LIMITED