WBPHED/SE/EC/NIeQ-09/2019-20/2

Amount

Zone - XV of Shridharkati Water Supply Scheme (TREATED WATER CAPACITY 3 cum/hr)

Design, vetting, Construction of a two storied RCC building to accommodate RO plant room with switch room, battery room, chemical storage room, operator room, water storage tank , RCC treated water toilet including sanitary and water supply arrangement with providing RCC column structure of minimum 100 sq. mtr. floor area (each floor), 2.4 mtr. height above finished G.L. as per approved drawing and design.

Supply, installation, commissioning & 3 (Three) Months Trial Run of Reverse Osmosis plant capable of delivering 3 cum/hr ( as applicable )treated water running for 6 hrs/day with necessary pretreatment unit (e.g. Dual Media Filter, Activated Carbon filter, SMBS Dosing System, Antiscalant Dosing Unit, Micron Filtration Unit etc. with flow measuring device at suitable points) to treat raw water of maximum TDS of 10000 ppm &maximum iron content of 1.0 ppm excluding TW construction, raw & clear water pump with all accessories. This also includes disposal arrangement of effluent from desalination unit to nearby river stream/water body using 63 mm dia. HDPE (PN-6.0) pipe with an average length of 500 mtr. *

Supplying, laying, fitting, fixing and joining of rising main from TW to distribution system as well as to desalination unit of HDPE (PE80, PN10.0 class) pipe with all specials and valves etc. upto an average depth so as to maintain throughtout the length of pipe line a minimum earth cushion of one metre including cutting trenches in all types of soil backfilling in trenches in layers and including hydraulic testing, disinfection and washing of pipe line after disinfection etc. with an average 55 mtr. length and 63 mm dia. HDPE pipe all complete as per direction of The EIC and as per departmental approved drawing.

Design & Construction of 20000ltr capacity covered treated water storage tank ( M30 grade concrete) including waste water channel, 4 nos. taps with 15 mm. dia. G.I. pipe, manhole with locking arrangement, inlet outlet system, inter connection etc. all complete as per departmental approved drawing.

Design & Construction of 10000 ltr. capaity covered raw water storage tank ( M30 grade concrete) including inlet system from tube well, outlet system to RO plant with PVC pipe etc. all complete as per departmental approved drawing.

Construction of boundary wall with brick masonry structure, foundation depth 750 mm below G.L & 750 mm width, 125 mm thick plane cement concrete (1:3:6) with jhama khoa over single brick flat soling, brick work with 1st class brick (1:6) upto Plinth Level (upto earth filling height), 125 mm thick brick work with 1st class bricks (4:1) above plinth level upto 1.35 mtr. height with providing 250mm X 250mm brick piller @ 1500mm c/c. with providing RCC band at top size 250 mm X 150 mm including 15mm thick plastering with cement sand morter (4:1) and net cement punning G.L. to upto 300 mm height above P.L. including applying one coat exterior grade Acrilic primer with two coat protective and decorative acrilic exterior emulsion paint of approved quality with providing a gate with MS squre bar (15mm X 15mm) and size 1.8 mtr. X 2.00 mtr. with priming painting etc. all complete as per departmental approved drawing. Total length of boundary wall 85 mtr.

Construction of approach road with one brick on edge (75 mm X 125mm ) 100 mm. thick cement concrete (1:1.5:3) with stone chips over single brick flat soling with picked jhama bricks over 100 mm. thick sand filling including cutting necessary trenches, preparation of bed as necessary with bricks joint properly filled as per direction of The EIC. Total length of approach road 30 mtr. and width 2 mtr.

Construction of internal water masonry surface drain as per design 200mm X 150mm inner size 250mm thick brick work (1:4) with 1st class bricks including cutting necessary trenches 750 mm width, 75mm thick P.C.C. (1:3:6) with jhama khoa over single brick flat solling including 15 mm thick plastering (4:1) with sand cement morter, with net cement punning all complete as per direction of The EIC. Total length of surface drain 20 mtr. and internal size 250 mm X 150mm.

Earth work in filling in compound tank low land, ditches etc. with good earth in layer not exceeding 150mm. including breaking clods & consolidating the same by ramming & dressing complete with carried earth arranged by the contractor with in a radius exceeding 3km. but not exceeding 5 km. including cost of carried earth. Area of land 401.50 sq. mtr. and depth of filling 1000 mm.

Mondal Precision Private Limited

Fidere Marine Services Pvt Ltd