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Tender Value
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Closing Date
13 Aug 2026, 3:00 pmClosed
Ex Engineer (ENV) PCMC
Ex. Engineer (ENV) PCMC Main Building
Invitation of Quotation Notice for Tank mounted double membrane gas storage dome for Akurdi 30 MLD ISBR STP
2026_PCMCP_1326137_1
Quotation Notice-ENV/11/2026-27
Open Tender
Civil Works - Others
Item Rate
PCMC Area
Please refer Tender documents.
2 documents required · 2 mandatory
₹0
Exempted
7 Aug 2026
7 Aug 2026
14 Aug 2026
7 Aug 2026
13 Aug 2026
7 Aug 2026
| Sl No | Description | Qty | Unit | Est. Rate | Est. Amount |
|---|---|---|---|---|---|
| 1Work Name | |||||
| 1.01 | Providing and Supplying, Erection and Commissioning for following :
Double membrane gas storage facility on digester top mounted principle, without bottom membrane, complete with
supporting belt structure and filing-level meter of following specifications: -
useable volume 300 m³
operating pressure 3,5 mbar
membrane tank diameter 14.80 m or 15m
membrane tank height above tank 3,5 m
diameter at anchoring 14.80 m or 15m
tank outer-diameter 14.80 m
tank height above foundation 8.0 + 0.9 m (refer drawing enclosed)
max. gas temperature 55 °C
max. gas production 250 m³/h
max. gas withdrawal 250 m³/h
anchor forces under an angle of 53,1° 6,5 kN/m
consisting of: | - | Per Unit | - | - |
| 1.02 | 1. One external membrane made of double-sided PVC-lined polyester material, UV and
microbial resistant, abrasion resistant, made from welded fabric cuts, short-term tensile
strength 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. | - | Per Unit | - | - |
| 1.03 | 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 tensile
strength 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 | - | Per Unit | - | - |
| 1.04 | 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. | - | Per Unit | - | - |
| 1.05 | 4. One air inflation system consisting of one non return flap and one adjustable counterweighted
pressure regulation valve, mounted between air blower and gas holder,
including a flexible air hose.
Pressure regulation valve – NW 200 mm
made of stainless steel V2A (1.4301) | - | Per Unit | - | - |
| 1.06 | 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 mbar
Max. pressure rise at vacuum: -1 mbar
Max. blow off capacity: 400 m³/h
Connecting flange DN 160 mm | - | Per Unit | - | - |
| 1.07 | 6. steel-profile clamping rail made of hot galvanized steel, complete with anchors, ready for mounting on a reinforced concrete tank. | - | Per Unit | - | - |
| 1.08 | 7. filling level meter
analog outputs: 4 – 20 mA
measuring range: 0 – 22,5 m
operating temperature: -20°C....+80°C
permissions ATEX. | - | Per Unit | - | - |
| 1.09 | 8. inspection window consisting of a locking ring and an acrylic glass panel, ø 550mm. | - | Per Unit | - | - |
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