National Hydroelectric Power Corporation Limited has published Construction Of Alternate Approach Road To Dam Site Of Rangit Power Station By Providing Sub-Base, Base And Surface Course Including Miscellaneous Works ( Pkg-Iv ) . Submission Date for this Tender is 27-05-2022. Road Work Tenders in rangit Sikkim. Bidders can get complete Tender details and download the document.
| Sl. No. | Item Description |
| 1 | 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 |
| 2 | Case-I - Compacting original ground supporting sub-grade |
| 3 | Granular Sub-base with Close Graded Material (Table:- 400-1)- (B) By Mix in Place Method (Construction of granular sub-base by providing close graded material, spreading in uniform layers with motor grader on prepared surface, mixing by mix in place method with rotavator at OMC, and compacting with vibratory roller to achieve the desired density, complete as per clause 401) (i) for grading- IMaterial |
| 4 | Prime coat (Providing and applying primer coat with bitumen emulsion on prepared surface of granular Base including clearing of road surface and spraying primer at the rate shown in 500-1 using mechanical means.)ii) Medium Porosity |
| 5 | Tack coat (Providing and applying tack coat with bitumen emulsion using emulsion pressure distributor at required rate on the prepared bituminous/granular surface cleaned with mechanical broom.) iii) Granular Surface Treated with Primer |
| 6 | Bituminous Concrete (Providing and laying bituminous concrete with 100-120 TPH batch type hot mix plant producing an average output of 75 tonnes per hour using crushed aggregates of specified grading, premixed with bituminous binder @ 5.4 to 5.6 % 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. 509 complete in all respects) Case-I Using Bitumen 60/70 grade (i) for Grading-I (13 mm nominal size ) |
| 7 | 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) (A) Using Bitumen 60/70 grade (i) Case - I : Type A |
| 8 | Providing and laying parapet of standard size on 1:2:4 (1cement, 2coarse sand, 4clean hard graded stone chips of 20 mm down nominal gauge) plum concrete and plastering with 1:4 mix cement mortar of 12mm thick with recron 3S with lime washing three or more coats, complete as per the direction of the Engineer- in- Charge. (ii) 60cm height, 45 cm top and 60cm bottom |
| 9 | Earth work in excavation by mechanical means (Hydraulic Excavator )/ manual means in foundation trenches or drains (not exceeding 1.5 m in width or 10 sqm on plan) including dressing of sides and ramming of bottoms, lift upto 1.5 m, including getting out the excavated soil and disposal of surplus excavated soil as directed, within a lead of 50 m |
| 10 | Providing, fixing & removing form work for casting R.C.C items as indicated below: with imported timber from outside the state) (ii) Foundation, footings, base of column etc for mass concrete |
| 11 | Stone Soiling for road works Providing & laying hand packed stone soling of specified thickness with clean hard selected stones including hammer dressing of stone for laying as per required level and camber including packing with broken stones obtained from hammer dressing to fill the voids to give uniform surface as directed by the Engineer-in- Charge all complete but excluding carriage and consolidation using:(A) Manual means |
| 12 | Providing and Laying in position cement concrete of specified grade including compacting curing etc all complete. (iii) 1:2:4 mix. (1 cement, 2 coarse sand, 4 graded stone aggregate of 20mm & down size) |
| 13 | Providing and Providing and painting with acrylic exterior paints of quality and make equivalent to EXCEL, WEATHER SHIELD to give an even shade including brushing the surface clean of dirt, dust etc and sand papering and filling the scratches complete on New surface |
| 14 | Providing and washing with three or more coats of snowcem, durocem, cemcote etc. of approved quality and manufacture on exterior walls to give an even shade including preparation of surface on New surface complete |
| 15 | Painting Lines, Dashes, Arrows etc on Roads in Two Coats on New Work (Painting lines, dashes, arrows etc on roads in two coats on new work with ready mixed road marking paint conforming to IS:164 on bituminous surface, including cleaning the surface of all dirt, dust and other foreign matter, demarcation at site and traffic control ) (ii) Up to 10 cm in width |
| 16 | Loading and Unloading of Cement or Steel by Manual Means and stacking |
| 17 | Loading and unloading of stone boulder/stone aggregates/sand/ kanker/moorum. (Placing tipper at loading point, loading with front end loader, dumping, turning for return trip, excluding time for haulage and return trip) |
| 18 | Cost of Haulage Excluding Loading and Unloading (i) Surfaced Road |
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