Operation, Repair and Maintenance of DWSS to Solan Town from Giri River.

Operation, Repair & Maintenance of raw water intake & percolation wells, all units of water treatment plants i/c the pump houses, pumping machinery installed at percolation wells, raw water stage & main stage, rising main from percolation wells & raw water stage upto the water treatment plants and from the treatment plant to storage tank at Dharon-ki-Dhar, Gravity mains from Dharon-ki-Dhar to MC water storage tanks at Solan, i/c disinfection of the treated water, complete in all respects for 3 years). The detail of labour required is attached as per Annexure "A".

The broad detail of structure units is as under:-

Raw Water Stage

Pumping Machinery :- 4 Sets of 85 HP each (2 working + 2 standby)

Rising Main : -Twin rising main of 450 mm dia = 2 × 315 = 630 Rmt

Rising Main from Percolation Well : - 3 Single rising main of 250 mm dia and length 850 Rmt

:- P/well-1 to CWT 200 mm Dia = 150 Rmt

:- P/well-2 to CWT 125 mm Dia = 140 Rmt

Percolation Wells:- Percolation well No. 3 at Shiv Mandir with 2 sets 33 HP (1 working + 1 standby)

Percolation well No. 2 near pump house with 2 sets 15 HP (1 working + 1 standby)

Percolation well No. 1 at near pump house with 2 sets 15 HP (1 working + 1 standby)

Main Stage

Pumping Machinery : - 8 Sets of 1400 HP each (4 working + 4 standby)

Rising Main : - Twin rising main 450 mm dia = (2 × 4780) = 9560 Rmt

Gravity Main:

350 mm dia = 11450 Rmt (MST Dharon-ki-Dhar to M.C. Tank)

200 mm dia = 5700 Rmt (MST Dharon-ki-Dhar to Koti)

2 Units (14.72 MLD & 7.36 MLD)

Laboratory:- Eastablished at WTP Gaura

Main storage tank at Dharon-ki-Dhar including disinfection at Dharon-ki-Dhar.

Gaseous chlorination system installed at MDT Dharon ki Dhar

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