Operation and Maintenance of 300KLD STP Technopark Kollam Campus.

Amount

Operation & Maintenance of a 300 KLD sewage and Sullage treatment plant at Technopark Kollam Campus including cost of all materials, spares, consumables,operators and labour, as per the detailed tender conditions mentioned in the Techno Commercial Bid

First Year

Second Year

Removal of existing media in the Dual Media Filter 1200 mm and refilling the same with the following materials of approximate quantity including transportation , accessories, labour etc. as per the tender conditions (once in every 12 months or as directed by the engineer in charge) 100 mm depth Pebbles (1.5" to 1") :-180 Kg 150 mm depth Pebbles (1" to 0.75") :-270 Kg 100 mm depth Pebbles (0.75" to 0.5") :-180 Kg 100 mm depth Gravel/Silex (0.5" to 0.25") :-180 Kg 100 mm depth Gravel/Silex (0.25" to 0.1") :-180 Kg 600 mm depth Quartz Sand (8-16 mesh) :-1100 Kg 300 mm depth Anthracite (0.8 to 1.6 mm) Carbon content: 90% Min :-325 Lt

Removal of existing media in the Activated Carbon Filter 1200 mm and refilling the same with the following materials of approximate quantity including transportation , accessories, labour etc. as per the tender conditions - (once in every 12 months or as directed by the engineer in charge) 100 mm depth Pebbles (1.5" to 1") :-180 Kg 150 mm depth Pebbles (1" to 0.75") :-270 Kg 100 mm depth Pebbles (0.75" to 0.5") :-180 Kg 100 mm depth Gravel/Silex (0.5" to 0.25") :-180 Kg 100 mm depth Gravel/Silex (0.25" to 0.1") :-180 Kg 800 mm depth Granular Activated Carbon IV 1050 :-425 Kg

HYDROXY WATER TECHNOLOGIES PVT. LTD.

AQUA TECHSOLE ESTABLISHMENT

Voltas Limited

M24 SERVICES LLP

ENVIROCHEM LABORATORIES PVT LTD