Public Works Department-PWD has published Kiifb 2016-17 Construction Of Kanjirappilly - Kunnappilly Kadavu Bridge Across Chalakkudy River In Thrissur District - Additional Investigation -Topographical Survey Work. Submission Date for this Tender is 05-07-2023. Bridge Work Tenders in chalakkudy Kerala. Bidders can get complete Tender details and download the document.
| Sr No | CorrigendumDate | Corrignedum | CorrigendumType | NewSubmissionDate |
| 1 | 04-Jul-2023 | TIME EXTENSION | Date | 05-07-2023 |
| Sl. No. | Item Description |
| 1 | DGPS |
| 2 | OD60131/2023-2024 Providing and fixing RCC pillars for DGPS control points of size 30 cm x 30 cm, 50 cm long, 10 cm above ground level and 40cm below ground level casted in M20 Grade concrete reinforced with 4 nos of 8 mm dia longitudinal bars and 6mm dia stirrups @ 15 cm c/c, firmly fixed in position with M15 grade cement concrete of size 50 cm x 50 cm x 20 cm below ground level including painting 2 coats on exposed surface with synthetic enamel paint |
| 3 | OD60132/2023-2024 Providing and fixing RCC pillars at every 250 m interval along the road, of size 15 cm x 15 cm, 45 cm long, 15 cm above ground level and 30cm below GL. casted in M20 Grade concrete reinforced with 4 nos of 8mm dia longitudinal bars and 6mm dia stirrups @ 15 cm c/c, firmly fixed in position with M15 grade cement concrete of size 35 cm x 35 cm x 20 cm below ground level including painting 2 coats on exposed surface with synthetic enamel paint |
| 4 | OD60133/2023-2024 To carry out DGPS Survey to establish primary control points - it includes observation of raw data by using dual constellation GNSS receiver, processing, network, adjustment and submision of data in WGS 84 datum and UTM/TM projection system including traverse report (One intervisible pair per 5Km) |
| 5 | OD60134/2023-2024 To carry out Traverse to establish horizontal control traverse stations on the proposed road stretch running through from one DGPS station at every 2.50 km using electronic total station instrument at maximum of 250 m imnterval with an accuracy of 1 in 20000 which includes submission of hard and soft copies as per IRC standards |
| 6 | OD60135/2023-2024 Fly levelling to shift levels using Auto level from given Bench mark value to next Bench mark station to horizontal traverse station and available permanenet structures all aling the road for the elevation purpose by closed circuit which includes submission of the hard and soft copies as per IRC Standards |
| 7 | TS Surveying |
| 8 | 56.13 Providing access to the site clearing site and making good for surveying in order to provide clear line of site devoid of any hindrance due to vegetation etc. and clearing areas for station points (This item is applicable only for sites without access such as in case of new road formation, bridge and building sites at in accessible locations). |
| 9 | OD60130/2023-2024 Total station surveying and preparation of site plan and alignment plan - Plain built up area with hindrance to line of sight due to buildings/structures. |
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