Tender For Repairing And Restoration Of Flank Portion Area With Allied Works Of Sukna Adalpur Road From Chainage 0.00 Km To 1.50 Km And 1.60 Km To 1.80 Km Under North Bengal Construction Division, Pwd, Siliguri In The District Of Darjeeling
Tender Overview
Project Description
Tender for Repairing And Restoration Of Flank Portion Area With Allied Works Of Sukna Adalpur Road From Chainage 0.00 Km To 1.50 Km And 1.60 Km To 1.80 Km Under North Bengal Construction Division, Pwd, Siliguri In The District Of Darjeeling
BOQ
| Sl. No. | Item Description |
| 1 | Clearing and Grubbing Road LandClearing and grubbing road land including uprooting rank vegetation, grass, bushes, shrubs, saplings and trees girth up to 300 mm, removal of stumps of trees cut earlier and disposal of unserviceable materials and stacking of serviceable material to be used or auctioned, up to a lead of 1000 metres including removal and disposal of top organic soil not exceeding 150 mm in thickness. (Reference to MoRT&H's specification clause 201) By Mechanical MeansIn area of thorny jungle |
| 2 | Excavation in Soil with Dozer with lead up to 100 metresExcavation for road way in soil by mechanical means including cutting and pushing the earth to site of embankment up to a distance of 100 metres (average lead 50 metres), including trimming bottom and side slopes in accordance with requirements of lines, grades and cross sections (Reference to MoRT&H's specification clause 301). |
| 3 | Construction of Subgrade and Earthen ShouldersConstruction 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). |
| 4 | Water Bound MacadamProviding, laying, spreading and compacting stone aggregates of specific sizes to water bound macadam specification including spreading in uniform thickness, hand packing, rolling with 3 wheeled steel/ 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 interstices of coarse aggregate, watering and compacting to the required density (Reference to MoRT&H's specification 404). By Manual Means Grading-1(Table 400-9) Using Screening Crushable type such as Moorum or Gravel. (Using Pakur Variety) |
| 5 | 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. |
| 6 | Tack CoatProviding and applying tack coat with Cationic bitumen emulsion (RS1) 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). ii)On Granular surface treated with primer @ 0.25kg-0.30 /sqm. |
| 7 | i) On bituminous surface @ 0.20kg- 0.3kg /sqm. |
| 8 | Repairing Pot-holes with Bituminous Macadam (Grading - II, for compacted thickness of upto 75mm)Filling Pot Holes with Bituminous Macadam using Mobile Hot Mix plant (6-10 TPH) with approved crushed aggregates of specified grading premixed with bituminous binder @3.4% by wt. of the total mix, transported to site and laid in the pot hole prepared before hand by cutting the edges to get a firm vertical face and by removing all the failed and loose materials including dust and applying tack coat evenly on the sides and on the surface as per specification, rolling the filled depression with 8-10 tonne smooth wheeled roller to achieve the desired compaction, including the cost and carriage of stone aggregates and bitumen, hire charges of machinery and equipment, cost of fuel and lubricants and wages of all operational staff, quality control except the cost of tack coat complete as per direction of Engineer-in-charge. Payment to be made on the basis of the loose net volume of the stone aggregates used in the work. (Using Pakur Variety) |
| 9 | Filling Pot-holes and Patch Repairs with open-Graded Premix surfacing, 20mm. Removal of all failed material,in the pavement courses and if necessary below the pavement,until the root causes of the failure is removed, the trimming of completed excavation to provide firm vertical faces; specified for the pavement layer; application of tack coat conforming to cl. 503 of MORT&H's specification ,on to the sides and base of excavation prior to placing hot bituminous material as per clause 510 and the compaction,trimming and finishing of the surfaces of all patches to form a smooth continuous surface, level with the surrounding road as per the requirement of clause 3004.2 of MORT&H's specification. (Using Pakur Variety) |
| 10 | 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 wireconforming 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 ( Tensilestrength 300-450mpa, size of wire crates 3.0mx1.50mx1.25 m) (Reference to MORT&H's specification 2503). (Using N.B. Variety) |
| 11 | 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. (Using Pakur Variety) |
| 12 | Retro-Reflectorised Traffic Signs:Providing and fixing of retroreflectorised cautionary, mandatory and informatory sign as per IRC :67 made ofhigh 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, supportedon a mild steel angle iron post 75 mm x 75 mm x 6 mm firmly fixed to the ground by means of properly designedfoundation with M15 grade cement concrete 45 cm x 45 cm x 60 cm, 60 cm below ground level as per approveddrawing (Reference to MORT&H's specification 801).90 cm equilateral triangle |
| 13 | Direction and Place Identification Signs upto 0.9 sqm Size Board :- Providing and erecting direction and place identification retroreflectorised sign as per IRC:67 madeof 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'sspecification 801). |
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