Repair of old parapets, construction of new parapets, road signage, Median Marker, road marking, etc within km 0.00 to 20.00 Km of N.H.55 and Permanent Restoration of damaged road bench at km 60.180 of NH-110 Old NH-55 in the District of Darjeeling u

Amount

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.

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.

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).

Median Marker Made up of tough, impact resistant thermoplastic body, reflectorized on both side 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.

Retro Reflectorised Traffic Signs: Providing and fixing of Retro-Reflectorised cautionary, mandatory and informatory sign as per IRC:67 made of high intensity grade sheeting vide clause 801.3, fixed over aluminium sheeting, 1.5mm thick, when signs with maximum side dimensions do not exceed 600mm, or with aluminium sheeting, 2.0 mm thick, when signs with maximum side dimensions exceeds 600mm, supported on a mild angle iron post 75mmx75mmx6mm firmly fixed to the ground by means of properly designed foundation with M15 grade cement concrete 45cmx45cmx60cm, 60cm 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 Retro-Reflectorised cautionary, mandatory and informatory sign as per IRC:67 made of high intensity grade sheeting vide clause 801.3, fixed over aluminium sheeting, 1.5mm thick, when signs with maximum side dimensions do not exceed 600mm, or with aluminium sheeting, 2.0 mm thick, when signs with maximum side dimensions exceeds 600mm, supported on a mild angle iron post 75mmx75mmx6mm firmly fixed to the ground by means of properly designed foundation with M15 grade cement concrete 45cmx45cmx60cm, 60cm below ground level as per approved drawing(Reference to MoRT&H's Specification 801). Circular 60cm

Retro Reflectorised Traffic Signs: Providing and fixing of Retro-Reflectorised cautionary, mandatory and informatory sign as per IRC:67 made of high intensity grade sheeting vide clause 801.3, fixed over aluminium sheeting, 1.5mm thick, when signs with maximum side dimensions do not exceed 600mm, or with aluminium sheeting, 2.0 mm thick, when signs with maximum side dimensions exceeds 600mm, supported on a mild angle iron post 75mmx75mmx6mm firmly fixed to the ground by means of properly designed foundation with M15 grade cement concrete 45cmx45cmx60cm, 60cm below ground level as per approved drawing(Reference to MoRT&H's Specification 801). 60 X 45 cm Rectangular

Retro Reflectorised Traffic Signs: Providing and fixing of Retro-Reflectorised cautionary, mandatory and informatory sign as per IRC:67 made of high intensity grade sheeting vide clause 801.3, fixed over aluminium sheeting, 1.5mm thick, when signs with maximum side dimensions do not exceed 600mm, or with aluminium sheeting, 2.0 mm thick, when signs with maximum side dimensions exceeds 600mm, supported on a mild angle iron post 75mmx75mmx6mm firmly fixed to the ground by means of properly designed foundation with M15 grade cement concrete 45cmx45cmx60cm, 60cm below ground level as per approved drawing(Reference to MoRT&H's Specification 801). 80 X 60 cm Rectangular

Direction & Place Identification Signs with size more than 0.9 sqm size Board: Providing and erecting directional and place identification of Retro-Reflectorised sign as per IRC:67 made of high intensity grade sheeting vide clause 801.3, fixed over aluminium sheeting, 2mm thick with area exceeding 0.9sqm supported on a mild angle post 75mmx75mmx6mm, 2 nos. firmly fixed to the ground by means of properly designed foundation with M15 grade cement concrete 45cmx45cmx60cm, 60cm below ground level as per approved drawing(Reference to MoRT&H's Specification 801).

Supplying & fixing of Aluminium Flexible Prismatic Sheeting (AFP) consisting of non metallic 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 shoiuld show extreme resistance to peel off. The contractor will have to provide a test certificate from a reputable national/international laboratory comforming the above specifications.

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).

Road Distance Indicator (Reinforced cement concrete M15 grade kilometre stone of standard design as per IRC:8-1980, fixing in position including painting and printing etc (Reference to MORT&H's specification 805). 5th kilometre stone (Precast)

Road Distance Indicator (Reinforced cement concrete M15 grade kilometre stone of standard design as per IRC:8-1980, fixing in position including painting and printing etc (Reference to MORT&H's specification 805) Ordinary K. M. Stone (Precast )

Permanent Restoration of Damaged Road bench at 60.180 kmp of N.H. 55 under N.H. Division No. IX in the Dist of Darjeeling during the year 2022-2023 ______________________________________________________________ Excavation in Soil by Manual Means 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 (Reference to MORT&H's specification 304).

P.C.C. Grade M15 Plain/Reinforced Cement Concrete in open foundations complete as per Drawing and Technicl Specifications(Reference to MoRT&H's Specification 1500, 1700 & 2100). With North Bengal Variety Materials.

Boulder Apron Laid in Wire Crates Providing and laying of boulder apron laid in wire crates made with 4mm dia wire dia not less than 4mm GI wire conforming to IS: 280 & IS:4826 in 100mm x 100mm mesh Mesh size not more than 150mm (weaved diagonally) including 10 per cent extra for laps and joints laid with stone boulders weighing not less than 40 kg each ( Tensile strength 300-450mpa, size of wire crates 3.0mx1.50mx1.25 m) (Reference to MORT&H's specification 2503). With North Bengal Variety Stone Materials. Fresh Boulder 150 to 225 mm

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). With North Bengal Variety Stone Materials. Fresh Boulder 150 to 225 mm

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.

Providing Weep Holes Brick masonry/Plain/Reinforced concrete abutment, wing wall/return wall with 100mm dia. AC Pipe, extending through the full width of the structure with slope of 1V : 20H towards drainage face complete as per Drawing and Technical Specifications (Reference to MoRT&H's Specification Clause 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). North Bengal variety materials (RBM).

GSB Grade-V Construction of granular sub-base by providing graded materials 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 mix in place method with rotavator 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 desired density, complete as per clause 401 Rate per cum for grading-V Material Using North Bengal variety Stone aggregate

GSB Grade-III Construction of granular sub-base by providing graded materials 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 mix in place method with rotavator 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 desired density, complete as per clause 401 Rate per cum for grading-III Material Using North Bengal variety Stone aggregate.

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.

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 @ 0.70-1.0kg /sqm.

Tack Coat Providing and applying Tack Coat with Bitumen Emulsion (MS) using emulsion pressure distributor @ 0.25 kg per sqm on the prepared bituminous/ granular surface cleaned with mechanical broom (Reference to MoRT&H's Specification Clause 503).On Granunar surface treated with primer surface. ii) on granular surface treated with primer @ 0.25Km /sqm

Bituminous Macadam: Providing and laying bituminous macadam using crushed aggregates of specified grading premixed with bituminous binder, transported to site, laid over a previously prepared surface with paver finisher to the required grade, level and alignment and rolled as per clauses 501.6 and 501.7 to achieve the desired compaction (Reference to MORT&H's specification clause 504). With Continuous Type HMP (60-90 TPH) Bitumen VG-30, Using Pakur variety Stone aggregate

Mastic Asphalt Providing and laying 25 mm thick mastic asphalt wearing ccourse with approved grade bitumen meeting the requirements given in table 50039, prepared by using mastic cooker and laid to required level and slope after cleaning the surface , including providing antiskid surface with bitumen precoated fined grained hard stone chiping of 13.2mm nominal size at the rate of 0.005 cum/m2 and at an approximate spacin of 10 cm centre to centre in both direction , pressed into surface when the temperature of surface is not less than 100 C , protruding 1mm to 4mm over mastic surface, all complete as per clause 516 (Ref to MORT&H's specification clause 516 along with IRC :107 ) (Bitumen VG-40). Using Pakur variety Stone aggregate

NIM DORJEE TAMANG

DALJYOR UNEMPLOYED ENGINEERS CO-OPERATIVE SOCIETY LTD.