Delhi Development Authority Tender

SITC of FRP Factory manufactured tank for2 x 25 KLD Sewage treatment plant (STP) package type Modular based factory fabricated on MBBR Technology i/c connection testing etc. as rquired.. DETAILS OF UNITS : Bar Screen Chamber Made of MS Size : 400x400x900mm Bar Screen Madeof SS-304 with space of 12 mm Oil and Grease Removal Tank Made of MS Size : 500x400x900mm(D) Equivalization Tank Made of MS MBBR Tank-I Made of MS, MBBR Tank-II Made of MS, MBBR Tank-III Made of MS, MBBR Tank-IV Made of MS Tube Settler Tank-I Made of MS, Tube Settler Tank-II Made of MS Chlorine Contact Tank Made of MS Including the chamber for TCCA - 90% chlorine Sludge Drying Bed Made of MS Including all accessories, valves, filtering media etc as required. Note: All the above tanks and bed should be FRP coating inside and Epoxy coating outside Inlet Raw Sewage Characteristics: Domestic Sewage 1. PH- 6.5 – 8.5, 2. BOD - 250-300 Mg/L, 3. Total Suspended Solids (TSS) - 200-250 Mg/L, 4. COD - 500-120 Mg/L, 5. Oil & Grease- - 50 Mg / L, 6. Coliform Count - 106 to 107 MPN/ 100ml Discharge treated sewage Characteristics: 1. PH- 7.0 – 8.5, 2. BOD - 5 Mg/L, 3. TSS 10 Mg/L, 4. COD - 20 Mg/L, 5. Oil & Grease- - Nil, 6. Coliform Count - 100 MPN/100ml, I. TREATMENT SCHEME Stage 1: Primary Treatment 1.1. Bar Screen Chamber, 1.2. Oil and Grease Chamber Stage 2: Secondary or biological treatment a) EQT, b) MBBR Reactor I & II, c) Secondary Tube Settler Stage 3: Tertiary treatment a) Filter Feed Tank, b) Pressure Sand Filter, c) Activated Carbon Filter, d) Hypo Dosing System Stage 4: Sludge Treatment a) Sludge Holding Tank, b) Sludge Drying Beds Stage 5: Ultra Filtration Plant Unit (Drawing to be approved by Engineer in charge.)

Supply, Installation, Testing and Commissioning of the following size of uPVC (Unplasticised Polyvinylchloride) pipes with minimum 10 kg/cm2 pressure including required size of fittings i.e. coupling, tees, bends, flanges, complete as per technical specification & conditions attached. 200 mm dia

Supply, Installation, Testing & Commissioning of 12.5 HP/ 9.37 Kw monoblock recirculation pump with cast iron body, bronze impeller to be operated on 415V, 3 phase AC supply and suitable for the discharge of upto 160 m3/hr of water flow at a head of 10m with base frame, pressure gauge, SS strainer including foundation and other accessories etc. as required.