Reconstruction of culvert at km 9.50 and widening of 2 nos narrow culvert at km 8.30 and km 13.52 respectively and spot improvement from km 8.266 to km 8.289 and km 8.299 to km 8.372, km 9.443 to km 9.523 and km 13.462 to km 13.662 respectively from

Amount

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 (Reference to MoRT&H's specification clause 304). Ordinary soil Manual Means (Depth up to 3.00 m)

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 (Reference to MoRT&H's specification clause 304). Ordinary Rock (Not requiring blasting) Manual Means (Depth up to 3.00 m)

Dismantling of Flexible Pavements Dismantling of flexible pavements and disposal of dismantled materials up to a lead of 1000 metres, stacking serviceable and unserviceable materials separately (Reference to MoRT&H's specification clause 202). By Manual Means (Bituminous courses.)

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 of 1000 metres (Reference to MORT&H's specification clause 202). Rubble stone masonary in cement mortar.

Back filling behind abutment, wing wall and return wall complete including spriklring water and throughly compacted with plate compactor/power rammer in layers not exceeding 150mm compacted thickness as per drawing and Technical Specification (710.1.4 of IRC:78 & MoRTH's specification 2200). Departmental Boulder With North Bengal Variety Stone Materials.

Back filling behind abutment, wing wall and return wall complete including spriklring water and throughly compacted with plate compactor/power rammer in layers not exceeding 150mm compacted thickness as per drawing and Technical Specification (710.1.4 of IRC:78 & MoRTH's specification 2200). Fresh Boulder With North Bengal Variety Stone Materials.

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 (Reference to MORT&H's specification 2100). With North Bengal Variety Stone Materials.

PLUM CONCRETE (1:3:6) Plain cement concrete of nominal mix (1:3:6 ) with coarse aggregate of which stone boulder of size 225 mm to 150mm of 60% of total dry volume to be placed in position as directed by Eng-in charge ,67% - 40 mm down single &33% - 20 mm down bazri , Coarse Sand ,Cement ( 53 grade ) mechanically mixed in 1:3:6 of rest volume and placed in position and compacted by any means as directed including cost of shuttering . With North Bengal Variety Stone Materials.

Plain/Reinforced cement concrete in open foundation complete all including vibrating and compacting, finishing, curing, sampling, testing etc. as per drawing and Technical Specifications (Reference to MORT&H's specifications 1500, 1700 & 2200). PCC Grade M15 With North Bengal Variety Stone Materials.

Plain/Reinforced cement concrete in open foundation complete all including vibrating and compacting, finishing, curing, sampling, testing etc. as per drawing and Technical Specifications (Reference to MORT&H's specifications 1500, 1700 & 2200). PCC Grade M20 With North Bengal Variety Stone Materials.

Furnishing and Placing Reinforced in superstructure all including vibrating and compacting, finishing, curing, sampling, testing etc. by mechanically mixed as per clause 1719 of MoRTH but excluding the cost of materials as per drawing and Technical Specification (Reference to MORT&H's specifications 1500, 1600,1700 & 1800). RCC Grade M25 Using Concrete Mixer For solid slab in super-structure Height up to 5.00 m With North Bengal Variety Stone Materials.

Supplying, binding, fixing etc. including initial straightening, cutting to requisite length, hooking and bending to correct shape, placing in proper postion of uncoated HYSD reinforcement bar in super-structure complete as per drawing and technical specifications (Reference to MORT&H's specification 1600).

Providing weep holes in Brick masonry/Plain/ Reinforced concrete abutment, wing wall/ return wall with 100 mm dia AC/PVC/HDPC pipe, extending through the full width of the structure with slope of 1V :20H towards drawing foce. Complete as per drawing and Technical Specifications (Reference to MORT&H's specifications 2706 & 2200).

Construction of Subgrade and Earthen Shoulders Construction of sub-grade and earthen shoulders with approved material obtained from borrow pits with all lifts & leads, transporting to site, spreading, grading to required slope and compacted to meet requirement of table No. 300-2 (Reference to MoRT&H's specification clause 305).

Granular Sub-Base with Graded Material (Table: - 400-1) Construction of granular sub-base by providing graded material such as natural sand/ crushed gravel/ crushed stone/ combination depending upon the required grading spreading in uniform layers with motor grader on prepared surface, mixing by appropriate mechanical mixture (with controlled addition of water), and compacting with vibratory roller to achieve at least 98% of the maximum dry density for the material determined as per IS:2720 (Part 8), complete as per clause 401. By Mix in Place Method, Grading-V Material With North Bengal Variety Materials.

Granular Sub-Base with Graded Material (Table: - 400-1) Construction of granular sub-base by providing graded material such as natural sand/ crushed gravel/ crushed stone/ combination depending upon the required grading spreading in uniform layers with motor grader on prepared surface, mixing by appropriate mechanical mixture (with controlled addition of water), and compacting with vibratory roller to achieve at least 98% of the maximum dry density for the material determined as per IS:2720 (Part 8), complete as per clause 401. By Mix in Place Method, Grading-III Material With North Bengal Variety Materials.

Wet Mix Macadam Providing, laying, spreading and compacting graded stone aggregate conforming to the grading of table 400-13 revised vide table 2 of IRC : 109 (2015) 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. The thickness of a single compacted layer shall not be less than 75 mm. (Reference to MoRT&H's specification 406.) With North Bengal Variety Stone Materials.

Prime Coat Providing and applying primer coat with cationic bitumen emulsion SS1 grade conforming to IS:8887 on prepared porous granular surface including clearing of road surface and spraying primer using mechanical means (Reference to MORT&H's specification clause 502). On WMM/ WBM surface @ 0.70-1.0 kg / sqm. Using SS1 Cationic Bitumen

Tack Coat Providing and applying tack coat with Cationic bitumen emulsion complying with IS:8887 using emulsion pressure distributor on the prepared bituminous/granular /cement concrete pavement surface cleaned with mechanical broom and high pressure air jet (Reference to MORT&H's specification clause 503). On bituminous surface @ 0.20kg-0.3kg /sqm. Using RS1 Cationic Bitumen

Dense Graded Bituminous Macadam Providing and laying dense graded bituminous macadam using crushed aggregates of specified grading, premixed with bituminous binder @4.0% (min.) for Grading 1 & 4.5% (min.) for Grading 2 by weight of total mix and filler (Cement /lime / Rock dust ), 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 MORT&H specification clause No. 505.4 complete in all respects (Reference to MORT&H's specification clause 505). With continuous Type HMP (40-60TPH), Grading 2 (26.5 mm nominal size) 60-70 Bitumen With Pakur Variety Stone Materials.

Mastic Asphalt Providing and laying 25 mm thick mastic asphalt wearing course with approved 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 bitumen precoated fine-grained hard stone chipping of 13.2 mm nominal size 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 is not less than 100°C, protruding 1 mm to 4 mm over mastic surface, all complete as per clause 516 (Reference to MORT&H's specification clause 516 along with IRC:107). VG-30 Bitumen With Pakur Variety Stone Materials.

Road Marking with Hot Applied Thermoplastic Compound with Reflectorising Glass Beads on Bituminous Surface Providing and laying of hot applied thermoplastic compound 2.5 mm thick including reflectorising glass beads @ 250 gms per sqm area, thickness of 2.5 mm is exclusive of surface applied glass beads as per IRC:35. The finished surface to be level, uniform and free from streaks and holes (Reference to MORT&H's specification 803).

Supplying & fixing of Raised Pavement Markers/Road Studs/Cats Eye made of polycarbonate moulded body and reflective panels with micro prismatic lens capable of providing total internal reflection of the light entering the lens face which shall support a load of 13635 kg tested in accordance to ASTM D 4280 Type H and complying to Specifications of Category A of MoR&TH Circular No. RW/NH/33023/10-97 - DO III Dt. 11.06.1997 & MoRT&H's specification for Road &Bridge Works (Fifth Rev.). Marker height shall not be less than 10 mm and shall not exceed 20 mm, width shall not exceed 130mm and with minimum reflective area of 13 Sq.Cm on each side and slope to the base shall be 35 ± 5 degree. Fixing will be without nails but by using epoxy resin-based adhesive as per manufacturer's recommendation including site clearance etc. and complete as directed by the Engineer in Charge. The contractor will have to provide a test certificate from a reputable national/international laboratory conforming the above specifications.

Supplying & fixing of Aluminium Flexible Prismatic Sheeting (AFP) consisting of nonmetallic prismatic lenses that are formed in a transparent, synthetic resin; sealed and backed with a conformable aluminium foil backing with an aggressive pressure sensitive adhesive and with an easily removable liner. This flexible prismatic reflective sheeting used in the product specified herein should be of yellow colour and have minimum values of retro reflection coefficient, which shall conform to Type VI of ASTM D4956-09. After application of the flexible prismatic sheeting to required application areas, all the edges of the flexible prismatic sheeting should be sealed with two-part epoxy based structural adhesives with epoxy having viscosity of 8000-14000 mPa.s when measured as per ISO 12058, which should show extreme resistance to peel off. The contractor will have to provide a test certificate from a reputable national/international laboratory conforming the above specifications.

Retro-Reflectorised Traffic Signs: Providing and fixing of retroreflectorised cautionary, mandatory and informatory sign as per IRC :67 made of high intensity grade sheeting vide clause 801.3, fixed over aluminium sheeting, 1.5 mm thick, when signs with maximum side dimensions do not exceed 600mm, or with aluminium sheeting 2.0mm thick when signs with maximum side dimensions exceeds 600mm, supported on a mild steel angle iron post 75 mm x 75 mm x 6 mm firmly fixed to the ground by means of properly designed foundation with M15 grade cement concrete 45 cm x 45 cm x 60 cm, 60 cm below ground level as per approved drawing (Reference to MORT&H's specification 801). 60cm Equilateral Triangle

Retro-Reflectorised Traffic Signs: Providing and fixing of retroreflectorised cautionary, mandatory and informatory sign as per IRC :67 made of high intensity grade sheeting vide clause 801.3, fixed over aluminium sheeting, 1.5 mm thick, when signs with maximum side dimensions do not exceed 600mm, or with aluminium sheeting 2.0mm thick when signs with maximum side dimensions exceeds 600mm, supported on a mild steel angle iron post 75 mm x 75 mm x 6 mm firmly fixed to the ground by means of properly designed foundation with M15 grade cement concrete 45 cm x 45 cm x 60 cm, 60 cm below ground level as per approved drawing (Reference to MORT&H's specification 801). Circular 60cm

Retro-Reflectorised Traffic Signs: Providing and fixing of retroreflectorised cautionary, mandatory and informatory sign as per IRC :67 made of high intensity grade sheeting vide clause 801.3, fixed over aluminium sheeting, 1.5 mm thick, when signs with maximum side dimensions do not exceed 600mm, or with aluminium sheeting 2.0mm thick when signs with maximum side dimensions exceeds 600mm, supported on a mild steel angle iron post 75 mm x 75 mm x 6 mm firmly fixed to the ground by means of properly designed foundation with M15 grade cement concrete 45 cm x 45 cm x 60 cm, 60 cm below ground level as per approved drawing (Reference to MORT&H's specification 801). 60 X 45 cm Rectangular

Direction and Place Identification Signs upto 0.9 sqm Size Board :- Providing and erecting direction and place identification retroreflectorised sign as per IRC:67 made of high intensity grade sheeting vide clause 801.3, fixed over aluminium sheeting, 2 mm thick with area not exceeding 0.9 sqm supported on a mild steel single angle iron post 75 x 75 x 6 mm firmly fixed to the ground by means of properly designed foundation with M15 grade cement concrete 45 x 45 x 60 cm, 60 cm below ground level as per approved drawing (Reference to MORT&H's specification 801).

Median Marker Made up of tough, impact resistant thermoplastic body, reflectorized on both sides using approximate. 85 x 85 mm (for square shape or equivalent in case of round shape Fluorescent yellow prismatic sheeting (type-XI) reflective surface should be incline to approximate 20 degree to vertical to provide maximum reflective. Height & width of median marker shall be approximate by 110 mm complete with all fixing arrangements.

Painting Two Coats on New Concrete Surfaces Painting two coats, after filling the surface & applying a sealing primer, with synthetic enamel paint in all shades on new plastered concrete surfaces as per MORT7H's specification 803.6.2.(Reference to MORT&H's specification 803).

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