NHIDCL/RO-Imphal/I-J/Bridge at Ch 132.456 /21-22

Amount

Clearing, Excavation Work & Sub-base work

By Manual Means:- In area of thorny jungle

Excavation in Hilly Area in Ordinary Rock by Mechanical Means not Requiring Blasting.

Laying Reinforced Cement Concrete Pipe NP4 / Prestressed Concrete Pipe on First Class Bedding in Single Row . Laying Reinforced cement concrete pipe NP4/prestressed concrete pipe for culverts on first class bedding of granular material in single row including fixing collar with cement mortar 1:2 but excluding excavation, protection works, backfilling, concrete and masonry works in head walls and parapets . 1200 mm dia

Plain/Reinforced cement concrete in open foundation complete as per drawing and technical specifications including steel shuttering: PCC Grade M15

Embankment Construction with Material Obtained from Borrow Pits (Construction of embankment with approved material obtained from borrow pits with all lifts and leads, transporting to site, spreading, grading to required slope and compacting to meet requirement of table 300-2)

Granular Sub-Base with Naturally Occuring Sand Gravel Material (Grading- II Material) (Providing, laying and compacting granular base/sub-base according to lines, grades and cross sections by using naturally occured sand gravel/conforming to IRC-Grd-II of MOST specification free from organic ore other deleterous constituent spreading with mortor grader and compacted by rolling with power roller of 8-10 capacity in layers not exceeding 150 mm (spread thickness) i/c rolling of the road surface to proper level and grades 30cm width edging on both side etc. complete as directed by Engineer

Water Bound Macadam Providing, laying, spreading and compacting stone aggregates of specific sizes to water bound macadam specification including spreading in uniform thickness, hand packing, rolling with 3 wheeled steel/ vibratory roller 8-10 tonnes in stages to proper grade and camber, applying and brooming requisite type of screening/ binding Materials to fill up the interstices of coarse aggregate, watering and compacting to the required density. By Manual Means Grading III

Prime coat (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.)

Tack coat (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.) on granular surface

Open - Graded Premix Surfacing (Providing, laying and rolling of open - graded premix surfacing of 20 mm thickness composed of 13.2 mm to 5.6 mm aggregates either using penetration grade bitumen or cut-back or emulsion to required line, grade and level to serve as wearing course on a previously prepared base, including mixing in a suitable plant, laying and rolling with a smooth wheeled roller 8-10 tonne capacity, finished to required level and grades.) By Manual means

Dismantling of Structures (Dismantling of existing structures like culverts, bridges, retaining walls and other structure comprising of masonry, cement concrete, wood work, steel work, including T&P and scaffolding wherever necessary, sorting the dismantled material, disposal of unserviceable material and stacking the serviceable material with all lifts and lead to the satisfaction of the Engineer.) Removing all type of hume pipes and stacking within a lead of 1000 metres including earthwork and dismantling of masonry works. Above 900 mm

Scarifying (Scarifying including picking up scarified material and stacking of old serviceable material within a lead of 100m) a) Top bituminous surface dressing or premix carpet

Scarifying: (b) Stone metal crust, 50mm to 100mm thick by road roller with scarifier along with 20mm,premix carpet/surface dre ssing

Scarifying: (c)Kankar/Gravel metal crust upto 150mm thick with pickaxes.

Reinforcement in Super Structure: Supplying, fitting and placing TMT bar reinforcement in super-structure including splicing complete as per drawing and technical specifications

Substructure

Plain/Reinforced cement concrete in sub-structure complete as per drawing and technical specifications. RCC Grade M35 Height upto 5m

Supplying, fitting and placing TMT bar reinforcement in sub-structure complete as per drawing and technical specifications

Back filling behind abutment, wing wall and return wall complete as per drawing and Technical specification. Granular material

Supplying, fitting and fixing in position true to line and level elastomeric bearing conforming to IRC: 83 (Part-II) section IX and clause 2005 of MoRTH specifications complete including all accessories as per drawing and Technical Specifications.

Superstructure

Furnishing and Placing Reinforced/Prestressed cement concrete in super-structure as per drawing and Technical Specification. Without plasticiser. RCC Grade M 30. For solid slab super-structure. Height upto 5m.

Supply, fabrication, delivery at bridge site and erection of structural steel works as per IS 2062, including two coats of primer, one at shop and the other at site and two coats of aluminium paints including all labour, material, consumables etc.

Reinforcement in Super Structure: Supplying, fitting and placing TMT bar reinforcement in super-structure including splicing complete as per drawing and technical specifications

Cement concrete wearing coat M30 grade including forn work and reinforcement complete as per drawing and technical specification

Construction of precast RCC railing of M30 Grade, aggregate size not exceeding 12 mm, true to line and grade, tolurence of vertical RCC post not to exceed 1 in 500, centre to centre spacing between vertical post not to exceed 2000 mm, leaving adequate space between vertical post for expansion, complete as per approved drawings and technical specifications.

Drainage Spouts complete as per drawing and Technical specification

PCC M15 Grade leveling course below approach slab complete as per drawing and Technical specification

Reinforced cement concrete approach slab (M30) including reinforcement and formwork complete as per drawing and Technical specification

Filler joint: Providing & fixing 2 mm thick corrugated copper plate in expansion joint complete as per drawing & Technical Specification.

Filler joint: Providing & fixing 20 mm thick compressible fibre board in expansion joint complete as per drawing & Technical Specification.

Filler joint: Providing and fixing in position 20 mm thick premoulded joint filler in expansion joint for fixed ends of simply supported spans not exceeding 10 m to cater for a horizontal movement upto 20 mm, covered with sealant complete as per drawing and technical specifications.

Filler joint: Providing and filling joint sealing compound as per drawings and technical specifications with coarse sand and 6% bitumen by weight

Providing reinforced elastomeric (neoprene) slab seal type of expansion joint complete as per approved drawings and standard specifications to be installed by the manufacturer/supplier or their authorised representative ensuring compliance to the manufacturer's instructions for installation.

Miscellaneous

Painting Two Coats on New Concrete Surfaces (Painting two coats after filling the surface with synthetic enamel paint in all shades on new plastered concrete surfaces)

Dismantling of Structures (Dismantling of existing structures like culverts, bridges, retaining walls and other structure comprising of masonry, cement concrete, wood work, steel work, including T&P and scaffolding wherever necessary, sorting the dismantled material, disposal of unserviceable material and stacking the serviceable material with all lifts and lead to the satisfaction of the Engineer). Lime /Cement Concrete. By Manual Means. Prestressed / Reinforced cement concrete grade M-20 & above.

Meetei Construction Pvt. Ltd.