Extension of existing culvert near Sanjoy Market on NH-54 at Silchar Town

Amount

EXTENSION OF CULVERT

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 materials, by manual means (with dewatering depth upto 3 to 6m)

Below Box Culvert Plain/Reinforced cement concrete in open foundation complete as per drawing and technical specifications. Including steel shuttring formwork PCC Grade M-15 (Bellow Box Culvert) Without Plasticiser

Plaln/Reinforced cement concrete in sub-structure complete as per drawing and technical specifications and steel shuttering formwork PCC Grade M-20 (Ht up to 5.0 m), (With Plasticiser)

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

Plain/Reinforced cement concrete in sub-structure complete as per drawing and technical specifications and steel shuttering formwork RCC M-25

Back filling behind abutment, wing wall and return , all complete as per drawing ana Technical specitication

Construction of precast RCC railing of M30 Grade, aggregate size note exceedrng 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 adequat space between vertical posts for expansion, complete as per approved drawings and technical specifications.

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

Reinforced cement concrete approach slab including reinforcement and form work complete a per drawing and Technical specification

Construction of Embankment With materials obtained from borrowpit, with initial lead upto 3.00km transporting to site, spreading, grading to required slope and compacting to meet requirement of table 300 _ 2 (includling land compensation of earth) as per MoRTH specification

Grau!ar Sub-Base with Coarse Graded Material ( Table:- 400- 2).,(Constructlon of granular sub-base by providing coarse graded material, spreading in uniform layers wltfi motor grader on prepared surface, mixing in place method with rotavator at OMC,and compacting with vibratory roller to achieve the desired density,complete as per cl. 401

Wet Mix Macadam: 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 I base course on well prepared surface and compacting With vibratory roller to achieve the desired density.) ( with all lead & lift from quarry and carriage of mixed materials up to 10.0 km Initial lead from mixing plant) as per clause 506.3.8 as per MoRTH specificatlon 406

Providing and faying of lnterloccklng concrete block pavement of M-40 Grade with cement concrete paver blocks as per IS 15658-2006 of thickness BOmm and of specific 28 days compressive strength over a layer of bedding sand of compacted thickness 30mm, laid either in stretches/running/herringbone pattern of bonds in proper level and grade and compacted with appropriate equipment such as plate vibrator along with spreading of a thin layer of Joint filling sand to fill up the gaps between blocks and as directed by Engineer-In Charge.In main carriage way

CONSTRUCTION OF DRAIN

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 materials, by manual means (with dewatering depth upto 3 to 6m)

Plaln/Reinforced cement concrete in open foundation complete as per drawing and technical specification. Including steel shuttering formwork PCC Grade M-15 (Below Box Culvert) Without Plasticiser

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

Plain/Reinforced cement concrete in sub-structure complete as per drawing and technical specifications and steel shuttering formwork RCC M-20 Case-I Using concrete mixer

Providing weep holes in Brick masonery/Plain/Reinforced concrete abutment, wing wall/retirn wall with 100m dia AC pipe, extending through the full width of the structure with slope of 1V:20H towards drawing force, complete as per drawing and technical specification.

Anup Kumar Nandy