Construction of Bridge over River Baatey at Bomchi Bomte Road to connect ADC HQ, Kimin, Papum Pare District. SH RCC Composite Bridge 45 Mtr Span.

Amount

SH :- Sub Structure

Excavation for Structures (Earth work in excavation of foundation of structures 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 and backfilling with approved material.)

Ordinary soil

Manual Means

Above 6 m depth

Hard Rock (Blasting Prohibited)

Mechanical Means

PCC 1:3:6 in Foundation (Plain cement concrete 1:3:6 nominal mix in foundation with crushed stone aggregate 40 mm nominal size mechanically mixed, placed in foundation and compacted by vibration including curing for 14 days.)

Plain/Reinforced cement concrete in open foundation complete as per Drawing and Technical Specifications.

RCC Grade M35

Using concrete Mixer

Plain/Reinforced cement concrete in sub-structure complete as per drawing and technical specifications

RCC Grade M35

Height 5m to 10 M

Using concrete Mixer

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

Provididng weep holes in brick masonry/plain/ reinforcement concrete abutment, wing wall/ return wall with 100 mm dia AC Pipe extending through the full width of the structure with slope of 1V:20H towards drwaing face, 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

Cartage charges of material

SH :- Superstructure

Supply and fabrication of steel work at fabricators workshop comprising of Main Girders, Cross Girders, Connecting plates, stringer, stiffening plates etc from steel lates and structural steel of specified grades as per approved drawing including straightening, descaling, degreasing, cutting to size and shape, drilling, welding and grinding, supply of all MS/HTS shop or site bolts, nuts & washers, holding down bolts and nuts etc trial assembling at workshop, one priming coat of shop paint with red lead paint conforming to IS-102 with all labour, material, cost of paints, consumables, stacking inprotected condition etc complete as per specification and as directed by the Engineer-in-Charge (Carriage cost from fabricator workshop to actual bridge site will be paid seperately)

(A) COMPOSITE BRIDGE. Case (i) Upto 40 M single span or Multiple.

Taking delivery of fabricated steelwork from stacks at site as necessary, assembling and erection of fabricated steel structure to proper line, level and camber as per approved drawing complete to all respect including transportation and handling supply of all fasterners. Painting of all exposed surfaces of steel work after erection with one coat of red lead conforming to IS-102 and two coats Aluminium paint to IS-2339, grouting of anchor bolts in position, including all labour, consumables, materials, machinery, tools and tackles complete as per specification and as directed by the Engineer-in-Charge.

(A) COMPOSITE BRIDGE. Case (i) Upto 40 M single span or Multiple.

Supplying, fitting and fixing in position true to line and level cast steel rocker bearing conforming to IRC: 83(Pt.-1) section IX and clause 2504- 2.2 of MoRTH specifications complete including all accessories as per drawing and Technical Specifications.

Supplying, fitting and fixing in position true to line and level forged steel roller bearing conforming to IRC: 83(Pt.-1) section IX and clause 2003 of MoRTH specifications complete including all accessories as per drawing and Technical Specifications.

RCC DECKING

Furnishing and Placing Reinforced/Prestressed cement concrete in super-structure as per drawing and Technical Specification

RCC Grade M35

Using concrete mixer.

For solid slab superstructure, 20-30% of (a+b+c)

( r) Height above 10m

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

Providing and laying Cement concrete wearing coat M-30 grade including reinforcement complete as per drawing and Technical Specifications

Construction of RCC Railing of M30 Grade in situ with 20mm nominal size aggregate, true to line and grade, tolerance of RCC vertical post not to execeed 1 in 500, centre to centre spacing between vertical post not to execeed 2000mm, leaving adequate space between vertical post for expansion, complete as per drawing and technical specifications.

Drainage Spouts complete as per drawing and Technical specification slab steel expansion joint, catering to right or skew (less than 20 deg., moderately )

APPROACH SLAB

PCC M-15 Grade leveling course below approach slab complete as per drawing and technical specification.

Reinforced cement concrete approach slab i/c reinforcement and form work complete as per drawing and technical specification.

Carriage of steel (bridge patrs) from Guwahati to Site of work by mechanical transport i/c loading and un loading complete as per Engineer - In - Charge.

Cartage charges of material

S H : Approach Road - 410.00 Mtr.

Earth Work & Preparation of Subgrade

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)

Preparation of sub grade (Preparation of sub grade by excavating earth to an average depth of 22.50 cm, dressing to camber and consolidating with road roller, making good the undulations etc. and disposal of surplus earth, lead upto 50 m.)

Consolidation of sub-grade with road roller of 8 to 12 tonne capacity including making good the undulations etc. with earth or quarry spoils etc. and rerolling the sub grade.

Water Bound Meccadum

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 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 interstics of coarse aggregate, watering and compacting to the required density

(A) By Manual Means (i) Grading- I (Using Screening Crushable type such as Moorum or Gravel) (b) Using Screening Type-A (13.2mm Agg.)

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 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 interstics of coarse aggregate, watering and compacting to the required density

(A) By Manual Means (ii) Grading- II (Using Screening Crushable type such as Moorum or Gravel) (c) Using Screening Type-B (11.2mm Agg.)

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 vibratory roller 8-10 tonnes in stages to proper grade and camber, applying and brooming requisit type of screening/binding materials to fill up the interstices of coarse aggregate, watering & watering to the required density.

(A) By manual means (iii) Grading- III (Using Screening Crushable type such as Moorum or Gravel) (b) Using Screening Type-B (11.2mm Agg.)

Black Topping

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.

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

Case - I: Mechanical method using Penetration grade Bitumen and HMP of appropriate capacity not less than 75 tonnes/hour .

Seal Coat (Providing and laying seal coat sealing the voids in a bituminous surface laid to the specified levels, grade and cross fall using Type A and B seal coats)

Case - I : Type A

Toe Wall

Earth work in excavation of foundation of structures 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 and backfilling with approved material - Manual Means - Above 6.0m Depth

PCC 1:3:6 in Foundation (Plain cement concrete 1:3:6 nominal mix in foundation with crushed stone aggregate 40 mm nominal size mechanically mixed, placed in foundation and compacted by vibration including curing for 14 days.)

Plain/Reinforced Cement Concrete in Open Foundation complete as per Drawing and Technical Specifications.Using Concrete Mixer - (c) RCC Grade M20

Supplying, fitting and placing HYSD Bars reinforcement in Sub structure Complete as per drawing and technical specification.

Cartage charges of material

SH : RCC Retaining Wall - 6.00 Mtr Ht.

Excavation for Structures (Earth work in excavation of foundation of structures 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.)

Ordinary soil

Manual Means (Depth upto 3 m)

PCC 1:3:6 in Foundation (Plain cement concrete 1:3:6 nominal mix in foundation with crushed stone aggregate 40 mm nominal size mechanically mixed, placed in foundation and compacted by vibration including curing for 14 days.)

Plain/Reinforced cement concrete in sub-structure complete as per drawing and technical specifications

RCC Grade M 20 (Height 5M to 10 M)

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

Providing weep holes in Brick masonry/Plain/Reinforced concrete abutment, wing wall/return wall with 100 mm dia AC pipe, extending through the full width of the structure with slope of 1V :20H towards drawing foce. Complete as per drawing and Technical specifications

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

b) Walls (any thickness) including attached pilasters, buttresses, plinth and string courses etc.

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

Granular Materials

Cartage charges of material

SH :- River Training Works - 200 Mtr

Earth work in excavation of foundation of structures 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 and backfilling with approved material - Manual Means - Depth upto 3 m

Flexible Apron : Construction of flexible apron 1 M thick comprising of loose stone boulders weioghting not less than 40 Kg beond curtain wall

Providing and Laying Filter material underneath pitching in slopes complete as per drawing and technical specification

Dry Rubble Flooring

Gabian Structure for Erosion Control, River Training Works and Protection works (Providing and constructing gabian structures for erosion control, river training works and protection works with wire crates of size 2 m x 1 m x 0.3 m each divided into 1m compartments by cross netting, made from 4 mm galvanised steel wire @ 32 kg per 10 sqm having minimum tensile strength of 300 Mpa conforming to IS:280 and galvanizing coating conforming to IS:4826, woven into mesh with double twist, mesh size not exceeding 100 mm x 100 mm, filled with boulders with least dimension of 200 mm, all loose ends to be securely tied with 4 mm galvanised steel wire.)

Cartage charges of material

Ms Buru Enterprises (BID ID -7009)