NIT 1203 Cons. &Main. Long Span Bridge under PMJANMAN PKG No CGLSB 24-74 District-Balrampur

Wearing Course

Joints

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 including dewatering etc. complete.

Ordinary soil

Upto 3 m depth

3 m to 6 m depth

Above 6 m depth

Ordinary rock (not requiring blasting)

Hard rock (requiring blasting)

Ordinary soil

Upto 3 m depth

3 m to 6 m depth

Above 6 m depth

Ordinary rock (not requiring blasting)

ANNULAR FILLING

M15 grade PCC below foundation

Plain/Reinforced cement concrete in open foundation complete as per drawing and technical specifications.

UPTO 1.0 m below bed level

Beyond 1.0 m upto 5.0 depth

Beyond 5.0 m

Taking trail boring 100mm dai. For detailed investigation with diamond drill double tube in all type of hard rock including all materials such as casing pipes, accessories, grease and other such materials and or as required including conveying such materials and machinery to site of work preserving the loose sample and core sample serially numbered at the site of work and conveying the same to the head quarters of concerned office as directed and submission of detailed bore log sheet as per I.R.C. 78-2014 and section 2400 including testng and preserving rock core sample in core boxes as per specifications.

Plain/Reinforced cement concrete in open foundation complete as per drawing and technical specifications.

Providing and laying Plain/Reinforced cement concrete in sub-structure complete as per drawing and technical specifications section 1500, 1700 and 2200 (Newly laid concrete shall be covered by gunny bags).

Furnishing and Placing Reinforced/Prestressed cement concrete in super-structure as per drawing and Technical Specification sections 1500, 1600 and 1700 (Newly laid concrete shall be covered by gunny bags).

Furnishing and Placing Reinforced/Prestressed cement concrete in super-structure as per drawing and Technical Specification sections 1500, 1600 and 1700 (Newly laid concrete shall be covered by gunny bags).

Concrete M40

Bituminous Concrete (Providing and laying bituminous concrete with minimum 40-60 TPH capacity hot mix plant using crushed aggregates of specified grading, premixed with bituminous binder @ 5.0 to 6.0% by weight of total mix 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 MORTH specification clause No. 507 complete in all respects).A.With sensor paver finisherfor (iii) Grading II (13.2 mm nominal size) with bitumen 6.0 %

Mastic Asphalt (Providing and laying 25mm thick mastic asphalt wearing course with paving grade bitumen meeting the requirements given in table 500-39 prepared by using mastic cooker and laid to required level and slope after cleaning the surface, including providing antiskid surface with fine-grained hard stone chipping of 13.2 mm nominal size pre- coated with bitumen at the rate of 0.005cum per 10 sqm and at an approximate spacing of 10 cm center to center in both directions, pressed into surface when the temperature of surfaces not less than 1000C, protruding 1 mm to 4 mm over mastic surface, all complete as per clause-516.)

Providing and lying Pitching on slopes laid over prepared filter media in front of toe of embankement complete as per drawing and technical specification as per section 2504.

Construction of embankment with approved material obtained from borrow pits, transporting to site, spreading, grading to required slope and compacting to meet requirement of Tables 300.1 and 300.2 (Beyond 250m)with all leads as per Technical Specification Clause 301.5(Having CBR more than 5)

Semi-Reflective Traffic signs upto 0.90 sqm Direction and place indentification signs up to 0.9 sqm size board Providing and erecting direction and place identifications of semi reflective sign boards as per IRC:67 made of 2 mm thick M.S. Sheet duly stove enameled paint in white colour in front and grey colour on back with red reflective border of 70 mm width and required message, letters, figures with reflective engineering grade tape as per MORD specifications of required shade and colour. Supported and welded on 47 mm x 47mm of 12 SWG Square tube of 3050 mm height duly strengthened by 25 mm x 5 mm M/s flat iron on edges on back firmly fixed to the ground by means of properly designed foundations with M-15 grade cement concrete 450 mm x 450 mm x 600 mm, 600 mm below ground level as per approved drawing and Technical Specification Clause 1701

Semi-Reflective Traffic signs more than 0.90 sqm sign board Providing and erecting direction and place identification of semi reflective sign boards as per IRC-67 made of 2 mm thick M.S. Sheet duly stove enameled paint white colour in front and grey colour on back with reflective border of 70 mm width and required message, letters, figures with reflective tape of engineering grade as per MORD specifications of required shade and colour. Supported and welded on two nos. 47 mm x 47 mm of 12 SWG square tube of 3050 mm height duly strengthened by 25 mm x 5 mm MS flat iron on edges on back firmly fixed to the ground by means of properly designed foundations with M-15 grade cement concrete 450 mm x 450 mm x 600 mm, 600 mm below ground level as per approved drawing and Technical Specification Clause 1701

Providing and fixing of typical PMGSY informatory sign board with Logo as per MORD specifications and drawing. Three MS Plates of 1.6 mm thick, top and middle plate duly welded with MS flat iron 25mm x 5m size on back on edges. The lower plate will be welded with MS angle iron frame of 25mm x 25mm x 5mm. The angle iron frame of the lower most plate and flat iron frame of middle plate will be welded to 2 nos. 75mm x 75 mm of 12 SWG sheet tubes posts duly embedded in cement concrete M-15 grade blocks of 450mm x 450mm x 600mm, 600mm below ground level. The top most diamond plate will be welded to middle plate by 47mm x 47mm of 12 SWG steel plate tube. All M.S. will be stove enameled on both sides. Lettering and printing arrows, border etc. will be painted with ready mixed synthetic enamel paint of superior quality in required shade and colour. All sections of framed posts and steel tube will be painted with primer and two coats of epoxy paint as per drawing Clause 1701 and Annexure 1700.

Providing and fixing of typical " PMGSY Citizen Information Board" with Logo as per MoRD specifications & drawings, made of 75 mm square or 75 mm dia circular steel tube of 12 SWG 3.2 m height and cross member 2 nos 1m long, fixed with angle iron 50x50x5 mm MS angle on the back.

Painting two coats including prime coat with epoxy paint of approved brand on concrete/steel surfaces after through cleaning of surface to give an even shade as per drawing and Technical Specification Clause 1701

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 upto 1000 meters and as per relevant clauses of section-200 in ( Cement Concrete Grade M-15 & M-20)

Removing all type of hume pipes and stacking within a lead upto 1000 meters including earthwork and dismantling of masonry works around pipes.(Up to 1000 mm dia)

PIPARDHABA

Excavation

Construction of embankment with approved materials

Construction of embankment

Shoulders

Construction of subgrade and earthen shoulders

Construction of granular sub-base

Wet Mix Macadam

Providing and applying tack coat with Bitumen emulsion (RS-1) using emulsion distributor at the rate of 0.25 to 0.30 kg per sqm on the prepared dry and hungry bituminous surface cleaned with Hydraulic broom as per Technical Specification Clause 503

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.)

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 - II : Type B

Providing and laying pitching on slopes laid over prepared filter media as per drawing and technical specifications Clause 1302. Cement concrete blocks of size as per Table 1300.2 cast in cement concrete of grade M 15.

ADD GST 18%

Assistant Engineer CGRRDA, PIU-Rajpur Distt. Balrampur