Siliguri Jalpaiguri Development Authority-SJDA has published Tender For Repairing Of Fulbari-Ghoshpukur Bypass Ahead From Ghathmabari To Intake Well Within Dlp Period Of Tender No. 058/Engg/2020-21. Submission Date for this Tender is 11-04-2023. Road Work Tenders in jalpaiguri West Bengal. Bidders can get complete Tender details and download the document.
Sl. No. | Item Description |
1 | Picking up and removing old bituminous layer or sand sealing coat from old black topped surface and cleaning the exposed surface by scraping and stacking the material as directed. (b) By mechanical means (without milling machine) : (ii) From 50 mm to 100 mm thick. |
2 | Box cutting or filling in Road embankment in all sorts of soil including spreading the spoils properly over the flank as necessary or on berm to approximate grade & camber and rolling the sub-grade with power roller to proper camber and grade as per direction and satisfaction of Engineer-in-charge including uprooting and removing plants and jungles when and where necessary. (a) Depth up to 150 mm. |
3 | Tack Coat Providing and applying tack coat with Cationic Bitumen Emulsion of approved grade conforming to IS: 8887-1978 on the prepared surface cleaned with Hydraulic broom, moistening the surface including cost and carriage of emulsion, hire charges of machinery and labour, cost of fuel and lubricants all complete as per Clause 503 of Specifications for Road & Bridge Works of MoRT&H (5th Revision). (i) On Bituminous Surface. (Using Bitumen Emulsion at the rate of 0.20 to 0.30 kg per sqm.) (ii) On Granular surfaces treated with primer. (Using Bitumen emulsion at the rate of 0.25 to 0.30 kg per sqm.) |
4 | Providing and laying dense bituminous macadam with Hot Mix Plant using crushed aggregate of specified grading, filler(cement/hydrated lime/Rock dust) premixed with bituminous binder of approved grade @4%(min.) for Grading-1 and 4.5%(min.) for Grading-2 by weight of total mix as per table 500-10 and mix design done as per table 500-11 and Job Mix Formula as per clause 505.3.3 of MoRTH (5th Revision), including screening, cleaning of chips,transporting the hot mix to work site, layingthe mix materials at specified laying temperature, as specified in table 500-2 with a hydrostatic paver finisher with sensor control to the required grade, level and alignment over prepared surface coated with tack coat, rolling with smooth wheeled andvibratory or tandem rollers or with a pneumatic tyre roller of 12 to 15 tonne weight with a tyre pressure of atleast 0.56 MPa to acieve the desired density as per clause 505.3.5, all including cost and carriage of bitumen, crushed aggregate, filler materials and hire charges of machinery and equipment for construction and quality control complete as per clause 505 of specifications for Road & Bridge Works of MoRTH(5th Revision). B. For Grading 2 (26.5 mm nominal size, 50-75 mm thick.) (ii) Using Drum mix Type HMP of minimum capacity 60-90 TPH. |
5 | Providing and laying bituminous concrete with Hot Mix Plant using crushed aggregate, filler materials (cement/hydrated lime/Rock dust) and premixed with bituminous binder of specified grading @5.2%(min.) for Gr.-1 and 5.4%(min.) for Gr.-2, as per table 500-17 and mix design done as per table 500-10 and Job Mix Formula as per clause 505.3.3, including screening, cleaning of chips and preparing a uniform and quality mix,transporting the hot mix to work site, layingthe mix materials at specified laying temperature, as specified in table 500-2 with a hydrostatic paver finisher with sensor control to the required grade, level and alignment over prepared surface coated with tack coat, rolling with smooth wheeled andvibratory or tandem rollers or with a pneumatic tyre roller of 12 to 15 tonne weight with a tyre pressure of atleast 0.56 MPa to acieve the desired density as per clause 505.3.5, including cost and carriage of bitumen, crushed aggregate, filler materials and hire charges of machinery and equipment for construction and quality control complete as per clause 507 of specifications for Road & Bridge Works of MoRTH(5th Revision). B. For Grading 2(13.2 mm nominal size, 30mm/40 mm thick.) (ii)(Using Drum mix Type HMP of minimum capacity 60-90 TPH.) |
6 | Picking up and removing old bituminous layer or sand sealing coat from old black topped surface and cleaning the exposed surface by scraping and stacking the material as directed. (b) By mechanical means (without milling machine) : (ii) From 50 mm to 100 mm thick. |
7 | Box cutting or filling in Road embankment in all sorts of soil including spreading the spoils properly over the flank as necessary or on berm to approximate grade & camber and rolling the sub-grade with power roller to proper camber and grade as per direction and satisfaction of Engineer-in-charge including uprooting and removing plants and jungles when and where necessary. (a) Depth up to 150 mm. |
8 | Fog Spray Providing and applying Fog Spray using low viscosity (SS Type) Cationic bitumen emulsion for sealing cracks less than 3 mm wide or incipient fretting or disintegration in an existing bituminous surfacing including thoroughly cleaning of surface using scrubber and compressed air jets, applying SS type Bituminous Emulsion using bitumen pressure distributor, including cost and carriage of all ingredients and hire and operational charges of all machinery, tools and plants including fuel, lubricants and cost of quality control as per Clause 513 of Specifications for Road & Bridge Works of MoRT&H (5th Revision). |
9 | Fog Spray : Over Crack Seal Blinding Work Providing and applying Fog Spray using low viscosity (MS Type) Cationic bitumen emulsion for sealing cracks less than 3 mm wide or incipient fretting or disintegration in an existing bituminous surfacing including thoroughly cleaning of surface using scrubber and compressed air jets, applying SS type Bituminous Emulsion using bitumen pressure distributor, including cost and carriage of all ingredients and hire and operational charges of all machinery, tools and plants including fuel, lubricants and cost of quality control as per Clause 513 of Specifications for Road & Bridge Works of MoRT&H (5th Revision). |
10 | Blinding after Fog Spray for crack filling. (The fog spray to be blinded with graded grit of 3 mm size and under, coated with about 2 percent of the emulsion by weight. The pre coated grit shall be allowed to be cured for at least one week or until they become non-sticky and can be spread easily.) Providing and laying Premixed Blinding Course with graded grit of 3 mm size and under @ 0.6 m3/ 100 m2 and bitumen binder on thoroughly cleaned black top surface coated with Fog Spray, including heating and mixing cleaned graded grit of 3 mm size and under uniformly with bitumen binder, laying and spreading the mix at an uniform rate using suitable means, brushing the surface, if necessary, to ensure uniformity, followed by rolling with power roller including the cost and carriage of binder and aggregates, cost of heating the binder and aggregates and all other incidental charges, cost of fuel and lubricants, including hire charges of machineries, tools & plants required for construction and quality control complete as per Clause 511 of Specifications for Road & Bridge Works of MORT&H (5th Revision). II. By Manual Means With Hot Bitumen Binder (@6.80 kg/10 sqm.) |
11 | Add GST @18% |
12 | Add Labor Welfare Cess @ 1% |
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