Greater Cochin Development Authority-GCDA has published Tender For Restoration Of Existing Bc Surface At Bot Bridge ,Thoppumpady. Submission Date for this Tender is 23-11-2022. Road Work Tenders in Ernakulam Kerala. Bidders can get complete Tender details and download the document.
| Sr No | CorrigendumDate | Corrignedum | CorrigendumType | NewSubmissionDate |
| 1 | 21-Nov-2022 | Date of extension corrigendum | Date | 23-11-2022 |
| Sl. No. | Item Description |
| 1 | Surface Dressing |
| 2 | 3.15 : Scarifying the existing bituminous road surface to a depth of 50 mm and disposal of scarified material with in all lifts and lead upto 1000 metresby Mechanical Means |
| 3 | 5.2.a : Providing and applying tack coat with bitumen emulsion( RS) using emulsion pressure distributor at the rate of 0.20 - 0.30 kg per sqm on the prepared bituminous surface cleaned with mechanical broom. |
| 4 | 5.6.2.a : Providing and laying bituminous concrete with 80-100 TPHhot mix plant producing an average output of 75 tonnes per hour using crushed aggregates of specified grading, premixed with bituminous binder( NRMB)@ 5.4 per centof 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. 507 complete in all respects
Grading - II (13.2 mm Nominal Size) |
| 5 | 8.13 : Providing and laying of hot applied thermoplastic compound 2.5 mm thick including reflectorising glass beadson Bituminous Surface @ 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. |
| 6 | 10.5.1a : Filling Pot-holes and Patch Repairs with Bituminous concrete, 40mm. Removal of all failed material, trimming of completed excavation to provide firm vertical faces, cleaning of surface, painting of tack coat on the sides and base of excavation as per clause 503, back filling the pot holes with hot bituminous material as per clause 504, compacting, trimming and finishing the surface to form a smooth continuous surface, all as per clause 3004.2 - For grading I Material |
| 7 | 8.15 : Supplying and installation of delineator (Road way indicators) posts 80- 100cm high above ground level, pained black and white in 15 cm wide strips, fitted with min. 80 x 100 mm rectangular or 75 mm dia circular retro reflectorised panels at the top with minimum visibility of 300mwith provisions to prevent edge lifting and vandalisam, and conforming to clause 806 , IRC-79 and the drawings including fixing to ground (The deleniator shall be of approved type as per specification) |
| 8 | 8.35 : Providing and fixing reflective road studs (Raised Pavement Marker) of " category A" made out of ASA/HIPS/ABS moulded body with shanks and conforming to ASTM D 4280, strong enough to supporta load of more than 13.635 T when tested in accordance with ASTM D 4280, reflective panel confirming to ASTM D 788,and reflectivity conforming toclause 804.4. including installation, drilling, fixing with adhesive etc. with 2 years warranty for the road stud as well as for in field performance as per clause 804.7.3 Road Markers/Road Stud with Lense Reflector :- |
| 9 | 6.2 : Construction of un-reinforced, dowel jointed, plain cement concrete pavement over a prepared sub base with 43 grade cement @ 400 kg per cum, coarse and fine aggregate conforming to IS 383, maximum size of coarse aggregate not exceeding 25 mm, mixed in a batching and mixing plant as per approved mix design, transported to site, laid with a fixed form or slip form paver, spread, compacted and finished in a continuous operation including provision of contraction, expansion, construction and longitudinal joints, joint filler, separation membrane, sealant primer, joint sealant, debonding strip, dowel bar, tie rod, admixtures as approved, curing compound, finishing to lines and grades as per drawing |
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