Delhi Development Authority-DDA has published Tender For Maintenance Of Completed Schemes Under Nazul A / C-Ii / Hort. Zonesh:- Conducting Detailed Survey By Total Station And Dgps Equipment With Required Apparatus Fortopography &X-Y-Z Co-Ordinates At Site Showing All Details And Making Benchmark Pos. Submission Date for this Tender is 02-09-2023. Survey Works Tenders in Delhi Delhi. Bidders can get complete Tender details and download the document.
| Sr No | CorrigendumDate | Corrignedum | CorrigendumType | NewSubmissionDate |
| 1 | 23-Aug-2023 | Bid Auto Extn Corrigendum | Bid Auto Extn Corrigendum | 28-08-2023 |
| 2 | 28-Aug-2023 | Bid Auto Extn Corrigendum | Bid Auto Extn Corrigendum | 31-08-2023 |
| 3 | 31-Aug-2023 | Bid Auto Extn Corrigendum | Bid Auto Extn Corrigendum | 02-09-2023 |
| Sl. No. | Item Description |
| 1 | Conducting detailedsurvey by Total Station/ DGPSequipment with required appratus forTopography &X-Y-Z co-ordinates at site showing all details. i.e (i) GPS coordinates in GCS format (ii) Elevation of various points on Map with respect to mean sea level (i.e. to be kept with respect to permanent bench mark of Survey of India) (iii) Contour Maps (iv) The area of the water body may be traced from revenue records/cadastral maps (shajra), and its original depth may be traced from Survey of India maps. TSS map should indicate the shape and size of water body "as per revenue records and "present status" in dotted and firm lines respectively along with encroachment, if any duly hatched. The mapping should indicate the area lost by way of encroachment. Include survey of various existing permanent features like structures, buildings, public utilities, path, corners, trees, boundaries, sewer lines, hilly terrain and other notable features etc. as per direction of engineer in charge. Note: 1. Separate sheet for each as said above is to be provided on paper size as per direction of engineer in charge and also in soft form in pen drive. 2. Minimum distance of gap in between two points is preferred to be approx. 1 meter and should not be more than 3 meters. |
| 2 | Conducting detailedsurvey by Total Station/ DGPS equipment with required appratus forwater base surface &X-Y-Z co-ordinates at site showing all details. i.e (i) GPS coordinates in GCS format (ii) Elevation of various points on Map with respect to mean sea level (i.e. to be kept with respect to permanent bench mark of Survey of India) (iii) Contour Maps (iv) The area of the water body may be traced from revenue records/cadastral maps (shajra), and its original depth may be traced from Survey of India maps. TSS map should indicate the shape and size of water body "as per revenue records and "present status" in dotted and firm lines respectively along with encroachment, if any duly hatched. The mapping should indicate the area lost by way of encroachment. Include survey of various existing permanent features like structures, buildings, public utilities, path, corners, trees, boundries, sewer lines, hilly terrain and other notable features etc. as per direction of engineer in charge. Note: 1. Separate sheet for each as said above is to be provided on paper size as per direction of engineer in charge and also in soft form in pen drive. 2. Minimum distance of gap in between two points is preferred to be approx. 1 meter and should not be more than 3 meters |
| 3 | DGPS Coordinate collection of a point (corners) Outer boundary points of Sanjay Lake Park and Water Body. |
| 4 | Creating shape file of a plot from DGPS Survey Outer boundary points of Sanjay Lake Park and Water Body. |
| 5 | Attribute collection/creation for each plot Outer boundary points of Sanjay Lake Park and Water Body. |
| 6 | 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. All kinds of soil. |
| 7 | Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - All work up to plinth level : 1:5:10 (1 cement : 5 fine sand : 10 graded stone aggregate 40 mm nominal size) |
| 8 | Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - All work up to plinth level :1:2:4 (1 cement : 2 coarse sand (zone-III) : 4 graded stone aggregate 20 mm nominal size) |
| 9 | Centering and shuttering including strutting, propping etc. and removal of form for : Columns, Pillars, Piers, Abutments, Posts and Struts |
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