Specification Notes for Moving Media Bio reactor

1 Screen chamber and grit separator upto 5 MLD capacity are manual type.
2 Upto 5 MLD capacity STP, chlorination is done by using sodium hypochlorite solution. Above 5 MLD capacity, gas
chlorinator is provided.
3 Sludge thickener is not provided upto 3 MLD capacity STP. Sludge will be collected into sludge sump and pumped
directly to sludge dewatering system.
4 For all STP, sludge dewatering is using solid bowl centrifuge.
5 Chlorinator room not provided for STP upto 3 MLD. For STP upto 3 MLD,laboratory / administration building is
not provided. Only a room for operator is provided.
6 Boundary wall, fencing, gate, storm water drains, site clearance is not considered in the scope.
7 All water retaining structures are in M-30 grade of concrete.
8 Water table is considered 5 m below GL for design.
9 Soil bearing capacity is considered as 20 T/m² at 1.5 m below GL.
10 Lead for excavation is considered as 0.5 km.
11 Grade of cement used is OPC 43 grade.
12 Grade of steel used is Fe 415.
13 Peak factor considered for design for plants upto 3 MLD is 3, 4; upto 15 MLD is 2.5, 16; upto 20 MLD is 2.0.
14 Chemicals required during trial run and commissioning are not considered.
15 Water and power during construction trial run and commissioning shall be provided by client.
16 Power available at STP location is assumed as LT power supply.