Widening and improvements to Perambai road from Moolakulam to Moolakadai in Puducherry

Amount

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 upto 50m and lift upto 1.5m

Clearing jungle including uprooting of rank vegetation, grass, brush wood, trees and saplings of girth upto 30cm measured at a height of 1m above ground level and removal of rubbish upto a distance of 50 m outside the periphery of the area cleared.

Centring and shuttering including strutting , propping etc. and removal of form work for - foundations, footings, bases for columns

Cement concrete flooring 1:2:4 (1 cement : 2 coarse sand : 4 graded stone aggregate) finished with a floating coat of neat cement, including cement slurry, but excluding the cost of nosing of steps etc .complete - 40mm thick with 20mm nominal size stone aggregate

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

Demolishing cement concrete manually / by mechanical means including disposal of material within 50 metres lead - nominal concrete 1:3:6 or richer mix (i/c equivalent design mix)

Supplying and filling with quarry rubbish including watering, ramming, consolidating and dressing etc complete as directed by the Engineer-in-charge

Excavation for roadwork in soil with hydraulic excavator of 0.9cum bucket capacity including cutting and loading in tippers, trimming bottom and side slopes, in accordance with requirements of lines, grades and cross sections and transporting to the embankment location with all lifts and lead upto 1000m.

Earthwork in excavation of foundation of structure as per drawing and technical specification, including setting out, construction of shoring and bracing, removal of stumps and other deleterious matter, dressing of sides and bottom, backfilling the excavation earth to the extent required and utilising the remaining earth locally for road work - by mechanical means - depth upto 3m (Ordinary soil)

Scarifying the existing bituminous surface to a depth of 50mm and disposal of scarified material within all lifts and lead upto 1000 metres - by mechanical means.

Construction of granular sub-base by providing close graded material, mixing in a mechanical mix plant at OMC, carriage of mixed material to work site, spreading in uniform layer with motor grader on prepared surface and compacting with vibratory power roller to achieve the desired density, complete as per clause 401 of MoRTH specification, 4th Revision - by plant mix method - for grading III material.

Providing, laying, spreading and compacting graded stone aggregate to wet mix macadam specification including premixing the material with water at OMC in mechanical mix plant carriage of mixed material by tipper to site, laying in uniform layers with paver in sub-base / base course on well prepared surface and compacting with vibratory roller to achieve the desired density - Using vibratory roller. (As per MoRTH specification, 4th Revision)

Providing and applying primer coat with bitumen emulsion on prepared surface of granular base including clearing of road surface and spraying primer at the rate of 0.60 kg/sqm using Mechanical means. (As per MoRTH specification, 4th Revision

Providing and applying tack coat with bitumen emulsion using emulsion pressure distributor at the rate of 0.20 kg. per sqm. on the prepared bituminous / granular surface cleaned with mechanical broom. (As per MoRTH specification, 4th Revision)

Providing and laying dense graded bituminous macadam with HMP of capacity not less than 40 to 60 TPH using crushed aggregates of specified grading, premixed with bituminouse binder @ 4.0 to 4.5 per cent by weight of total mix and filler, tranporting the hot mix to work site, laying with a hydrostatic paver finisher with sensor control to the required grade, level and alignment, rolling with smooth wheeled, vibratory and tandem rollers to achive the desired compaction as per Clause 507 of MoRTH specification, 4th Revision, complete in all respects - Using grade-I materials.

Providing and laying bituminous concrete with HMP of capacity not less than 40 to 60 TPH using crushed aggregates of specified grading, premixed with bituminous binder @ 5.4 to 5.6 percent of mix and filler, transporting the hot mix to work site, laying with a hydrostatic paver finisher with sensor control to the required grade, level and alignment, rolling with smooth wheeled, vibratory and tandem rollers to achieve the desired compaction as per clause 509 of MoRTH specification, 4th Revision, complete in all respects - Using grade-II material.-Bitumen 60/70

Cement concrete 1:4:8 mix with stone aggregate 40mm nominal size in foundation upto a depth of 1.5 metres below ground level and upto height of 1.5 above ground/bed level.

Cement concrete 1:3:6 mix with stone aggregates 20mm nominal size mechanically mixed and vibrated in foundation upto a depth of 1.5 metres below ground level and 1.5 metres above ground/bed level.

Steel reinforcement for R.C.C. works including bending, binding and placing in position - Thermo Mechanical Treated Bars (TISCON / VIZAG / IISCO / SAIL/JSW) Fe - 415 or more

Providing and placing M30 coverblock for all RCC works

Providing and fixing of retro - reflectorised cautionary, mandatory & informatory sign as per IRC:67 made of aluminium sheet encapsulated lens with high intensity grade sheeting vide Clause 801.3, fixed over aluminium sheeting, 1.5 mm thick supported on a mild steel angle iron post 75 mm X 75 mm X 6 mm (3.6 mtrs height - 6.8kg/mtr = 24.48kg , with board support angle 2.10 mtrs - 3kg/mtr = 6.3 kg and anchor flat 0.50kg)firmly fixed to the ground by means of properly designed foundation with M15 Grade cement concrete 45 cm X 45 cm X 60 cm , 60cm below ground level as per approved drawing. - 60 cm X 45cm rectangular . (including cost of angle iron towards cost of drilling holes, nuts , bolts etc.,)

Supplying and fixing of cantilever type destination sign boards with diamond graded reflective sheeting in rectangular shape of size 1.20 m x 0.9 m of double sided board including the cost and conveyance of reflective sheeting and providing symbols and letterings by high intensity grade reflective white sheeting fixed over the aluminium plates of all sizes not less than 2 mm thick suitably framed and supported by M.S. angles of size 40 mm X 40 mm X 6 mm with required bolt and nuts. The rectangular board is fixed in the post pipe of 100 mm dia M.S. Heavy vertically 4.8 mts height and horizontally 1.2 m and both the vertical and horizontal are connected by a 100 mm dia M.S. heavy bend with inner support sleeves welded firmly and a base plate of size 30 cm X 30 cm welded at the bottom with necessary anchoring supports. The board and the post pipe are connected by 32 mm dia M.S. pipe with suitable bolts and clamps of 12 cm length by horizontally 3 places and vertically 2 places and a cross tie flat is provided at the bottom of the board with pipe post to hold the hanging strength. Finally the board frame and the post pipe are painted by Zinc chromate primer and aluminium paint and embedded in ground pit of size 0.8m X 0.8 m X 0.9 m with PCC 1:2:4 complete

Providing and laying of hot applied thermoplastic compound 2.5mm thick including reflectorising glass beads @ 250 gms per sqm area, thickness of 2.5mm is exclusive of surface applied glass beads as per IRC:35. The finished surface to be level, uniform and free from streaks and holes.

Disposal of dumped building rubbish and garbages on the site within lead of 5 km including cleaning the site as directed by the Engineer-in-charge

Providing and fixing '3M' make reflective road studs of category 'A' raised pavement markers made out of poly carbonate / ABS moulded body and reflective panels with micro prismatic lens capable of providing total internal reflection of the light entering the lens face with retro reflectance and chromaticity values conforming to ASTM D4280. The reflective raised pavement makers shall also confirm the length, height and width of the body shall not be less than 100mm, 15mm and 90mm and base of marker shall be flat within 1.3mm (3M equivalent). The marker shall support a load of 13635Kg tested in accordance with ASTM D4280. Lenses shall be moulded of polycarbonate or methyl methocrylate conformiing ASTM D788. The area of each retro reflectory surface shall not be less than 13.0 sq.cm. The slope or retro-reflectory surface shall be 35+5 degree to base. Each reflector shall have a CIL not less than values specified in table 1 of said MORT&H circular and two cylindrical polymer shanks not less than 20mm diametre and not less than 30mm length shall be provided for better anchorage with bituminous grout or epoxy mortor all as per the MORTH circular No.RW/NH-33023/10/97-DO.III dt.11.06.97

Providing, hoisting and fixing upto plinth level for precast reinforced cement concrete slabs for drain cover slabs of length varying upto 1.50m of various thickness including the cost of required centring, shuttering and finishing smooth with 6mm thick cement plaster 1:3 (1 cement : 3 fine sand) on all faces of slab but excluding cost of reinforcement with 1:1 1/2 : 3 (one cement : one and a half coarse sand and three graded stone aggregate of 20mm nominal size)etc. complete as directed by Engineer-in-charge

G.D.builders

K. Arunagiri