Regarding inviting quotations for the preparation of a rate schedule for the required Fine Bubble Diffusers in STP and ETP within the Pimpri Chinchwad Municipal Corporation.

Amount

Dismantling & Removing of existing Diffuser keeping the removed material at store. Designing , manufacturing, supply, and delivery of Tube-Type Fine Bubble Air Diffusers meeting the technical specifications outlined below complete as directed by Engineer in charge. Detail Quotation Notice atteched

• Diffuser Type: Fine bubble • Type: Tubular • Application: Aeration / Air scouring of IFAS module • Location: Anoxic tank and Aeration tank • Fibro-porous Disperser Material: Low-density polyethylene (LDPE) • Total Length of Diffuser: 2020 mm • Effective Length of Diffuser: 1940 mm • Outer Diameter: 120 mm • Colour: White • Permanent Temperature Resistance: 70°C • Bubble Diameter: 2–3 mm • SSOTE (Standard Oxygen Transfer Efficiency): 5.4 to 6.0 %/m • Air Flow at Standard Conditions (0°C, 1013 mbar): 5 to 45 Nm³/(h*m) • Design Air Flow Rate: 8 to 25 Nm³/(h*m) • Mounting Type: Floor mounted in Aeration tank /Skid mounted in Anoxic tank

• Diffuser Type: Fine bubble • Type: Tubular • Application: Aeration / Air scouring of IFAS module • Location: Anoxic tank and Aeration tank • Fibro-porous Disperser Material: Low density polyethylene (LDPE) • Total Length of Diffuser: 1020 mm • Effective Length of Diffuser: 940 mm • Outer Diameter: 120 mm • Colour: White • Permanent Temperature Resistance: 70°C • Bubble Diameter: 2–3 mm • SSOTE (Standard Oxygen Transfer Efficiency): 5.4 to 6.0 %/m • Air Flow at Standard Conditions (0°C, 1013 mbar): 5 to 45 Nm³/(h*m) • Design Air Flow Rate: 8 to 25 Nm³/(h*m) • Mounting Type: Floor mounted in Aeration tank/ Skid mounted in Anoxic tank

Excel Engineers (BID ID -6732653)

SHREE VINAY ENGINEERING SERVICES PRIVATE LIMITED (BID ID -6734761)