Border Roads Organisation-BRO has published Tender For Providing And Laying Of Soil Stabilization With Geo Grid, Gsbc 150 Mm Tk, Ctsb 250 Mm Tk, Ctb 140 Mm Tk, Sami Layer, Bc 30 Mm Tk, Tack Coat Incl Preparation Of Subgrade Bet Km 172.800 To Km 186.550 On L-D-P Rd Under 71Rcc/24Tf/Project Pus. Submission Date for this Tender is 25-11-2022. Earth Work Tenders in Pushpak Maharashtra. Bidders can get complete Tender details and download the document.
| Sr No | CorrigendumDate | Corrignedum | CorrigendumType | NewSubmissionDate |
| 1 | 06-Nov-2022 | Change in bid submission end date | Date | 14-11-2022 |
| 2 | 13-Nov-2022 | Change in Bid submission end date | Date | 19-11-2022 |
| 3 | 19-Nov-2022 | Bid submission end date change | Date | 25-11-2022 |
| Sl. No. | Item Description |
| 1 | Surfacing works between Km 172.800 to Km 175.00 |
| 2 | Preparation of sub-grade in SMB by excavating earth upto 20 cm average depth, dressing to required camber or super elevation, removal of local humps or depressions & compacting with roller including disposal of surplus earth within a lead of 30m. |
| 3 | Soil stabilization with Bi Axial Extruded High Modulus poly propylene Geo Grid |
| 4 | Preparing and laying of GSB 15 cm thick (compacted )with stone aggregate conforming to grading No 1 as per Tables-400-1 of MORT&H specifications for Road and Bridge Works including supply of material, watering and compaction all complete. |
| 5 | Cement Treated Soil Sub Base 250 mm compacted. Providing, laying and spreading soil on a prepared sub grade, pulverising, adding the designed quantity of cement and admixture to the spread soil, mixing in place with rotavator, grading soil, mixing in place with rotavator, grading with the motor grader and compacting with the road roller at OMC to achieve the desire unconfined compressive strength, E-value and to form a layer of sub-base. |
| 6 | Cement Treated Soil Base 140 mm thick compacted. Providing, laying and spreading soil on a prepared sub grade, pulverising, adding the designed quantity of cement and admixture to the spread soil, mixing in place with rotavator, grading soil, mixing in place with rotavator, grading with the motor grader and compacting with the road roller at OMC to achieve the desire unconfined compressive strength, E-value and to form a layer of base. |
| 7 | Providing and laying of a stress absorbing membrane Interlayer (SAMI) after cleaning with a mechanical broom, using elastomeric modified binder complying with IRC:SP:53 sprayed at the rate of 10-12 kg per 10 sqm and spreading 11.2 mm crushed stone aggregates @ 0.10 cum per sqm and rolling for uniform spread of aggregates and surface finish |
| 8 | Providing and applying tack coat with Bitumen VG-10 /Bitumen Emulsion using bitumen pressure distributor @ 2.5 Kg/10 Sqm over SAMI layer |
| 9 | Providing and laying 30 mm thick BC on bituminous concrete layer with VG-30 and precoated stone chips grading confirming to Table:500-17 and mix satisfying the physical requirement of table 500-16 of MORT&H specifications, all as specified in Particular specification as per Job Mix Formula. |
| 10 | Earth filling/ Berm filling |
| 11 | Surfacing works between Km 175.00 to Km 186.550 |
| 12 | Preparation of sub-grade in SMB by excavating earth upto 20 cm average depth, dressing to required camber or super elevation, removal of local humps or depressions & compacting with roller including disposal of surplus earth within a lead of 30m. |
| 13 | Soil stabilization with Bi Axial Extruded High Modulus poly propylene Geo Grid |
| 14 | Preparing and laying of GSB 15 cm thick (compacted )with stone aggregate conforming to grading No 1 as per Tables-400-1 of MORT&H specifications for Road and Bridge Works including supply of material, watering and compaction all complete. |
| 15 | Cement Treated Soil Sub Base 250 mm thick compacted. Providing, laying and spreading soil on a prepared sub grade, pulverising, adding the designed quantity of cement and admixture to the spread soil, mixing in place with rotavator, grading soil, mixing in place with rotavator, grading with the motor grader and compacting with the road roller at OMC to achieve the desire unconfined compressive strength, E-value and to form a layer of sub-base. |
| 16 | Cement Treated Soil Base 140 mm thick compacted. Providing, laying and spreading soil on a prepared sub grade, pulverising, adding the designed quantity of cement and admixture to the spread soil, mixing in place with rotavator, grading soil, mixing in place with rotavator, grading with the motor grader and compacting with the road roller at OMC to achieve the desire unconfined compressive strength, E-value and to form a layer of base. |
| 17 | Providing and laying of a stress absorbing membrane Interlayer (SAMI) after cleaning with a mechanical broom, using elastomeric modified binder complying with IRC:SP:53 sprayed at the rate of 10-12 kg per 10 sqm and spreading 11.2 mm crushed stone aggregates @ 0.10 cum per sqm and rolling for uniform spread of aggregates and surface finish |
| 18 | Providing and applying tack coat with Bitumen VG-10 /Bitumen Emulsion using bitumen pressure distributor @ 2.5 Kg/10 Sqm over SAMI layer |
| 19 | Providing and laying 30 mm thick BC on bituminous concrete layer withVG- 30 and precoated stone chips grading confirming to Table:500-17 and mix satisfying the physical requirement of table 500-16 of MORT&H specifications, all as specified in Particular specification as per Job Mix Formula. |
| 20 | Earth filling/ Berm filling |
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