Tender For Invitation Of Quotation Notice For Tank Mounted Double Membrane Gas Storage Dome For Akurdi 30 Mld Isbr Stp
Tender Value
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Estimated cost
Bid Submission
13 Aug 2026
4 days left
EMD
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Bank guarantee accepted
Document Fee
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Non-refundable
Tender Type
Online
Tender Overview
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Tender ID
Competition Type
NCB
Bidding Type
Tender
Location / State
Pune → Maharashtra
EMD Exemption
Not Available
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Not Available
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Project Description
Tender for Invitation Of Quotation Notice For Tank Mounted Double Membrane Gas Storage Dome For Akurdi 30 Mld Isbr Stp
BOQ
| Sl. No. | Item Description |
| 1 | Work Name |
| 2 | Providing and Supplying, Erection and Commissioning for following : Double membrane gas storage facility on digester top mounted principle, without bottom membrane, complete withsupporting belt structure and filing-level meter of following specifications: -useable volume 300 m³operating pressure 3,5 mbarmembrane tank diameter 14.80 m or 15mmembrane tank height above tank 3,5 mdiameter at anchoring 14.80 m or 15mtank outer-diameter 14.80 mtank height above foundation 8.0 + 0.9 m (refer drawing enclosed)max. gas temperature 55 °Cmax. gas production 250 m³/hmax. gas withdrawal 250 m³/hanchor forces under an angle of 53,1° 6,5 kN/mconsisting of: |
| 3 | 1. One external membrane made of double-sided PVC-lined polyester material, UV andmicrobial resistant, abrasion resistant, made from welded fabric cuts, short-term tensilestrength approx. 4000 N/5 cm, total weight approx. 900 g/m², colour grey.Material tests: Colour fastness test acc. to DIN EN ISO 105-B04; light fastness betterthan 7 (1 = worst value; 8 = best value). Repeated bending test acc. to DIN 53359,grade 0 (scale 0 – 4; 0 = no damage). Cold resistance acc. to DIN 53361, grade 0(scale 0 – 4; 0 = no damage). Flame-resistant acc. to DIN 4102 class B1. |
| 4 | 2. One internal membrane made of double-sided PVC-lined polyester material, UV and microbial resistant, abrasion resistant, made from welded fabric cuts, short-term tensilestrength approx. 4000 N/5 cm, total weight approx. 900 g/m², colour grey.Material tests: Colour fastness test acc. to DIN EN ISO 105-B04; light fastness better than 7 (1 = worst value; 8 = best value). Repeated bending test acc. to DIN 53359, grade 0 (scale 0 – 4; 0 = no damage). Cold resistance acc. to DIN 53361, grade 0 (scale 0 – 4; 0 = no damage). Flame-resistant acc. to DIN 4102 class B1 |
| 5 | 3. One support-air blower ATEX approved, EEx-e-II-T3, power supply (max.) 0,18kW, 3 x 400 V, 50 Hz, air supply up to 180 m³/h with 3,5 mbar counter pressure. |
| 6 | 4. One air inflation system consisting of one non return flap and one adjustable counterweightedpressure regulation valve, mounted between air blower and gas holder,including a flexible air hose.Pressure regulation valve – NW 200 mmmade of stainless steel V2A (1.4301) |
| 7 | 5. combined safety valve as liquid trap with filling level indicator; filling medium glycol, density 1,113 kg/dm³, made of PE.Max. pressure rise at over pressure: 2 mbarMax. pressure rise at vacuum: -1 mbarMax. blow off capacity: 400 m³/hConnecting flange DN 160 mm |
| 8 | 6. steel-profile clamping rail made of hot galvanized steel, complete with anchors, ready for mounting on a reinforced concrete tank. |
| 9 | 7. filling level meteranalog outputs: 4 – 20 mAmeasuring range: 0 – 22,5 moperating temperature: -20°C....+80°Cpermissions ATEX. |
| 10 | 8. inspection window consisting of a locking ring and an acrylic glass panel, ø 550mm. |
| 11 | 9. supporting belt structure consisting of 63 belts resistant to the filling medium; withfixing devices made of stainless steel for anchoring to the tank’s wall as well as to thecentral pillar. The belts prevent the membrane from touching the liquid and beingdamaged by mixers. |
| 12 | 10. internal membrane skirt as condensate deflector welded onto the inner membrane. |
| 13 | 11. Supply of a Control panel required for U/T filling meter and the blower….. etc. complete as per direction of engineering incharge. Please Enable Macros to View BoQ information |
AI Tender Summary
Tender Timeline
Aug 07, 2026
11:30 IST
Tender Published
Tender notice published.
CompletedAug 13, 2026
17:00 IST
Bid Submission Deadline
Online submission via eProcurement portal.
Upcoming · 4 daysAug 14, 2026
Bid Opening Date
Technical bids will be opened and evaluated.
Upcoming · 5 daysTender Documents
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