Specifications for High Rate Unconventional Water Treatment Plant
Ref: Schedule of Rates, MJP, Pune Region, 2012-2013
Designing (aesthetically), providing and constructing high rate Unconventional Water Treatment Plant i.e. Simplified Water Treatment Plant consisting of Civil, Mechanical and Electrical works including cost of providing and applying epoxy paint to inside surface of water retaining structures in contact with chlorine and providing anti-termite treatment to entire structure below ground level, mechanical and electrical components of various sub-works as given below, including necessary hydraulic testing, structural testing and trial run for 3 months, etc. complete as directed by Engineer-in-charge (turn- key job) works.
1) Aeration fountain
2) Inlet arrangements
3) Mixing channel with ventury flume and flow measuring arrangement
4) Inlet channel
5) Flocculator - Conforming to I.S. 7208-1974 (Type-C) with detention period of 30 minutes
6) Tube settlers - Designing, fabricating and constructing Tube Settlers with square or any other shaped tube like Circular, Cheveron, Hexagonal etc.having proven performance.
7) Rapid sand gravity filters
8) Filter house
9) Chemical house
10)Alum tanks 2 Nos. with mixing, carrying and dosing arrangements with piping.
11) Gravity feed gas chlorinator with 100% standby.
12) TCL solution tank with mixing, carrying and dosing arrangement with piping.
13) Bypass arrangement
14) External and internal electrification
15) Laboratory equipments
16) Wash water tanks of capacity equal to 2% of designed quantity of filtered water in a day (+)10%.
17) Wash water pumps with 100% standby.
18) Air blowers capable of delivering 600 LMP per square metre of free air of filter
area at 0.4 Kg/ sqcm at the under drains (100% standby).
19) Pure water sump of capacity equal to 1 hour pumping capacity.
20) Pure water pump house over the sump / by the side pump.
21) Drainage arrangements
22) Alum store
23) Sanitary block with necessary water supply and drainage arrangements and internal WBM roads.
24) These rates are applicable for seismic zones 2, 3 and 4.
25) Rates given below are inclusive of uplift pressure if any and dewatering during the entire work.
26) All RCC structures shall be constructed in M-300.
27) Unconventional Treatment Plants less than 1 MLD capacity shall not be
constructed.
Note : Conditions from Sr. No. 1 to 27 shall form a part and parcel of the tender and must be included in draft tender papers for the work of unconventional treatment plants.
