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Tender Value
Refer Docs
EMD Value
₹20,200
Closing Date
10 Aug 2026, 3:00 pmClosed
Centre Director
NCRA TIFR Pune
Tender for Waterproofing Treatment of Antenna Concrete Towers at C8 and E2 Central Square and Y Array Sites of GMRT Observatory Khodad
2026_DAE_915839_1
NCRA WF044 CPPP 2026-27
Open Tender
Civil Works - Others
Works
150 days
GMRT KHODAD NARAYANGAON
Please refer Tender documents.
2 documents required · 2 mandatory
₹0
₹20,200
10 Aug 2026
8 Jul 2026
11 Aug 2026
8 Jul 2026
10 Aug 2026
8 Jul 2026
8 Jul 2026 - 11 Jul 2026
| Sl No | Description | Qty | Unit | Est. Rate | Est. Amount |
|---|---|---|---|---|---|
| 1 | Providing & fixing bamboo scaffolding around the concrete tower with necessary good quality bamboo, wooden flank, bracing, binding material, properly fixing MS bars in the concrete tower,support the bamboo at appropriate distance if required & the same will be removed & refilling the holes with Renderoc SP 40, touch up painting with the same protective & decorative coating for that hole area to match the coating area & removing the scaffolding after completing water proofing work & painting work etc complete. | 576 | One Square Meter | - | - |
| 2 | Removing existing loose concrete over the antenna concrete tower wherever required & at directed locations, cleaning that area properly, washing with water, providing & filing with Renderoc SP 40 - 25 kg bag with bonding agent Nitobond SBR latex or other approved equivalent make finishing the surface smooth after filling the material etc complete as per manufactures recommendations. | 4 | 25 KG Bag | - | - |
| 3Providing & filling Renderoc SP 40-25 kg bag with bonding agent Nitobond SBR latex or other approved equivalent make, finishing the surface smooth after filling the material including cleaning, washing with water etc complete as per manufactures recommendations at following locations. | |||||
| 3.1 | 600 mm wide chajja at top of the antenna & chajja near balcony door | 8 | 25 KG Bag | - | - |
| 3.2 | Near azimuth ring 230 mm wide area making proper slope towards outside. | 4 | 25 KG Bag | - | - |
| 4Horizontal shuttering joints - 6 or 8 joints per antenna along the circumference of the RCC tower at different height as shown in the drawing, & vertical silts on RCC antenna tower at 4 M height | |||||
| 4.1 | Pressure Grouting-Grouting cement slurry modified with nonshrink additive cebex 100 of M/s. fosroc make & polymer nitobond AR of fosroc make including properly drilling the holes of 12 mm dia (upto 75% of the concrete depth) @ 500 mm c/c distance or as directed, any other required area on the concrete tower, fixing plastic nozzles, properly grouting as per the manufactures procedure, (taking proper care for the inside equipment/ machinery/items/cables /wires /shielding case/ outside AC unit all these items etc covering with plastic paper, cleaning it properly if required etc as directed) removing the nozzles after grouting & refilling the holes properly with Renderoc SP 40 etc complete. | 636 | Nos Per Hole | - | - |
| 4.2 | Vertical Silt size of the existing silt is 0.23 M X 1.6 M & 16 nos / antenna location as show in the drawing
Pressure Grouting-Grouting cement slurry modified with nonshrink additive cebex 100 of M/s. fosroc make & polymer nitobond AR of fosroc make including properly drilling the holes of 12 mm dia (upto 75% of the concrete depth) @ 500 mm c/c distance or as directed, any other required area on the concrete tower, fixing plastic nozzles, properly grouting as per the manufactures procedure, (taking proper care for the inside equipment/ machinery/items/cables /wires /shielding case/ outside AC unit all these items etc covering with plastic paper, cleaning it properly if required etc as directed) removing the nozzles after grouting & refilling the holes properly with Renderoc SP 40 etc complete. (Note:- This item will be executed only based on the site conditions and truly wherever required as directed by E-I-C) | 320 | Nos Per Hole | - | - |
| 4.3 | Chajja Location Pressure Grouting-Grouting cement slurry modified with nonshrink additive cebex 100 of M/s. fosroc make & polymer nitobond AR of fosroc make including properly drilling the holes of 12 mm dia (upto 75% of the concrete depth) @ 500 mm c/c distance or as directed, any other required area on the concrete tower, fixing plastic nozzles, properly grouting as per the manufactures procedure, (taking proper care for the inside equipment/ machinery/items/cables /wires /shielding case/ outside AC unit all these items etc covering with plastic paper, cleaning it properly if required etc as directed) removing the nozzles after grouting & refilling the holes properly with Renderoc SP 40 etc complete | 50 | Nos Per Hole | - | - |
| 5 | Chajja Location as shown in the drawing at point A/E/F/G at appropriate height. Removing existing sealant properly, making necessary small grove if required, cleaning the groove area properly,washing with water & providing & applying Nitoprime 25(M) base Epoxy primer at groove area and providing and filling with polyurethane sealant Nitoseal PU 50 of M/s. Fosroc make or Sikaflex or other approved equivalent 12MM width & 10MM depth.(Note:- This item will be executed only based on the site conditions and truly wherever required as directed by E-I-C) | 80 | One Running Meter | - | - |
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